{
return array_iterator((Oid) 25, /* text */
(Oid) 67, /* texteq */
- 0, /* logical or */
+ 0, /* logical or */
array, (Datum) value);
}
{
return array_iterator((Oid) 25, /* text */
(Oid) 67, /* texteq */
- 1, /* logical and */
+ 1, /* logical and */
array, (Datum) value);
}
{
return array_iterator((Oid) 25, /* text */
(Oid) 1254, /* textregexeq */
- 0, /* logical or */
+ 0, /* logical or */
array, (Datum) value);
}
{
return array_iterator((Oid) 25, /* text */
(Oid) 1254, /* textregexeq */
- 1, /* logical and */
+ 1, /* logical and */
array, (Datum) value);
}
{
return array_iterator((Oid) 1043, /* varchar */
(Oid) 1070, /* varchareq */
- 0, /* logical or */
+ 0, /* logical or */
array, (Datum) value);
}
{
return array_iterator((Oid) 1043, /* varchar */
(Oid) 1070, /* varchareq */
- 1, /* logical and */
+ 1, /* logical and */
array, (Datum) value);
}
{
return array_iterator((Oid) 1043, /* varchar */
(Oid) 1254, /* textregexeq */
- 0, /* logical or */
+ 0, /* logical or */
array, (Datum) value);
}
{
return array_iterator((Oid) 1043, /* varchar */
(Oid) 1254, /* textregexeq */
- 1, /* logical and */
+ 1, /* logical and */
array, (Datum) value);
}
{
return array_iterator((Oid) 1042, /* bpchar */
(Oid) 1048, /* bpchareq */
- 0, /* logical or */
+ 0, /* logical or */
array, (Datum) value);
}
{
return array_iterator((Oid) 1042, /* bpchar */
(Oid) 1048, /* bpchareq */
- 1, /* logical and */
+ 1, /* logical and */
array, (Datum) value);
}
{
return array_iterator((Oid) 1042, /* bpchar */
(Oid) 1254, /* textregexeq */
- 0, /* logical or */
+ 0, /* logical or */
array, (Datum) value);
}
{
return array_iterator((Oid) 1042, /* bpchar */
(Oid) 1254, /* textregexeq */
- 1, /* logical and */
+ 1, /* logical and */
array, (Datum) value);
}
{
return array_iterator((Oid) 23, /* int4 */
(Oid) 65, /* int4eq */
- 0, /* logical or */
+ 0, /* logical or */
array, (Datum) value);
}
{
return array_iterator((Oid) 23, /* int4 */
(Oid) 65, /* int4eq */
- 1, /* logical and */
+ 1, /* logical and */
array, (Datum) value);
}
{
return array_iterator((Oid) 23, /* int4 */
(Oid) 144, /* int4ne */
- 0, /* logical or */
+ 0, /* logical or */
array, (Datum) value);
}
{
return array_iterator((Oid) 23, /* int4 */
(Oid) 144, /* int4ne */
- 1, /* logical and */
+ 1, /* logical and */
array, (Datum) value);
}
{
return array_iterator((Oid) 23, /* int4 */
(Oid) 147, /* int4gt */
- 0, /* logical or */
+ 0, /* logical or */
array, (Datum) value);
}
{
return array_iterator((Oid) 23, /* int4 */
(Oid) 147, /* int4gt */
- 1, /* logical and */
+ 1, /* logical and */
array, (Datum) value);
}
{
return array_iterator((Oid) 23, /* int4 */
(Oid) 150, /* int4ge */
- 0, /* logical or */
+ 0, /* logical or */
array, (Datum) value);
}
{
return array_iterator((Oid) 23, /* int4 */
(Oid) 150, /* int4ge */
- 1, /* logical and */
+ 1, /* logical and */
array, (Datum) value);
}
{
return array_iterator((Oid) 23, /* int4 */
(Oid) 66, /* int4lt */
- 0, /* logical or */
+ 0, /* logical or */
array, (Datum) value);
}
{
return array_iterator((Oid) 23, /* int4 */
(Oid) 66, /* int4lt */
- 1, /* logical and */
+ 1, /* logical and */
array, (Datum) value);
}
{
return array_iterator((Oid) 23, /* int4 */
(Oid) 149, /* int4le */
- 0, /* logical or */
+ 0, /* logical or */
array, (Datum) value);
}
{
return array_iterator((Oid) 23, /* int4 */
(Oid) 149, /* int4le */
- 1, /* logical and */
+ 1, /* logical and */
array, (Datum) value);
}
{
return array_iterator((Oid) 26, /* oid */
(Oid) 184, /* oideq */
- 0, /* logical or */
+ 0, /* logical or */
array, (Datum) value);
}
{
return array_iterator((Oid) 26, /* int4 */
(Oid) 185, /* oidne */
- 1, /* logical and */
+ 1, /* logical and */
array, (Datum) value);
}
/*
* Local Variables:
- * tab-width: 4
- * c-indent-level: 4
- * c-basic-offset: 4
+ * tab-width: 4
+ * c-indent-level: 4
+ * c-basic-offset: 4
* End:
*/
#define ARRAY_ITERATOR_H
static int32 array_iterator(Oid elemtype, Oid proc, int and,
- ArrayType *array, Datum value);
+ ArrayType *array, Datum value);
int32 array_texteq(ArrayType *array, char *value);
int32 array_all_texteq(ArrayType *array, char *value);
int32 array_int4le(ArrayType *array, int4 value);
int32 array_all_int4le(ArrayType *array, int4 value);
-int32 array_oideq(ArrayType *array, Oid value);
-int32 array_all_oidne(ArrayType *array, Oid value);
+int32 array_oideq(ArrayType *array, Oid value);
+int32 array_all_oidne(ArrayType *array, Oid value);
+
#endif
/*
* Local Variables:
- * tab-width: 4
- * c-indent-level: 4
- * c-basic-offset: 4
+ * tab-width: 4
+ * c-indent-level: 4
+ * c-basic-offset: 4
* End:
*/
* Functions for the built-in type bit() and varying bit().
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/contrib/bit/Attic/varbit.c,v 1.2 2000/04/03 20:56:40 momjian Exp $
+ * $Header: /cvsroot/pgsql/contrib/bit/Attic/varbit.c,v 1.3 2000/04/12 17:14:21 momjian Exp $
*
*-------------------------------------------------------------------------
*/
/*#include "utils/builtins.h" */
-/*
+/*
Prefixes:
- zp -- zero-padded fixed length bit string
- var -- varying bit string
+ zp -- zero-padded fixed length bit string
+ var -- varying bit string
attypmod -- contains the length of the bit string in bits, or for
- varying bits the maximum length.
+ varying bits the maximum length.
The data structure contains the following elements:
- header -- length of the whole data structure (incl header)
- in bytes. (as with all varying length datatypes)
- data section -- private data section for the bits data structures
- bitlength -- lenght of the bit string in bits
+ header -- length of the whole data structure (incl header)
+ in bytes. (as with all varying length datatypes)
+ data section -- private data section for the bits data structures
+ bitlength -- lenght of the bit string in bits
bitdata -- least significant byte first string
*/
* zpbitin -
* converts a string to the internal representation of a bitstring.
- * The length is determined by the number of bits required plus
- * VARHDRSZ bytes or from atttypmod.
- * (XXX dummy is here because we pass typelem as the second argument
- * for array_in. copied this, no idea what it means??)
+ * The length is determined by the number of bits required plus
+ * VARHDRSZ bytes or from atttypmod.
+ * (XXX dummy is here because we pass typelem as the second argument
+ * for array_in. copied this, no idea what it means??)
*/
bits8 *
-zpbitin(char *s, int dummy, int32 atttypmod)
+zpbitin(char *s, int dummy, int32 atttypmod)
{
- bits8 *result; /* the bits string that was read in */
- char *sp; /* pointer into the character string */
- bits8 *r;
- int len, /* Length of the whole data structure */
- bitlen, /* Number of bits in the bit string */
- slen; /* Length of the input string */
- int bit_not_hex = 0; /* 0 = hex string 1=bit string */
- int bc, ipad;
- bits8 x = 0;
-
-
- if (s == NULL)
- return (bits8 *) NULL;
-
- /* Check that the first character is a b or an x */
- if (s[0]=='b' || s[0]=='B')
- bit_not_hex = 1;
- else if (s[0]=='x' || s[0]=='X')
- bit_not_hex = 0;
- else
- elog(ERROR, "zpbitin: %s is not a valid bitstring",s);
-
- slen = strlen(s) - 1;
- /* Determine bitlength from input string */
- bitlen = slen;
- if (!bit_not_hex)
- bitlen *= 4;
-
- /* Sometimes atttypmod is not supplied. If it is supplied we need to make
- sure that the bitstring fits. Note that the number of infered bits can
- be larger than the number of actual bits needed, but only if we are
- reading a hex string and not by more than 3 bits, as a hex string gives
- and accurate length upto 4 bits */
- if (atttypmod == -1)
- atttypmod = bitlen;
- else
- if ((bitlen>atttypmod && bit_not_hex) ||
- (bitlen>atttypmod+3 && !bit_not_hex))
- elog(ERROR, "zpbitin: bit string of size %d cannot be written into bits(%d)",
- bitlen,atttypmod);
-
-
- len = VARBITDATALEN(atttypmod);
-
- if (len > MaxAttrSize)
- elog(ERROR, "zpbitin: length of bit() must be less than %ld",
- (MaxAttrSize-VARHDRSZ-VARBITHDRSZ)*BITSPERBYTE);
-
- result = (bits8 *) palloc(len);
- /* set to 0 so that *r is always initialised and strin is zero-padded */
- memset(result, 0, len);
- VARSIZE(result) = len;
- VARBITLEN(result) = atttypmod;
-
- /* We need to read the bitstring from the end, as we store it least
- significant byte first. s points to the byte before the beginning
- of the bitstring */
- sp = s+1;
- r = VARBITS(result);
- if (bit_not_hex)
- {
- /* Parse the bit representation of the string */
- /* We know it fits, as bitlen was compared to atttypmod */
- x = BITHIGH;
- for (bc = 0; sp != s+slen+1; sp++, bc++)
+ bits8 *result; /* the bits string that was read in */
+ char *sp; /* pointer into the character string */
+ bits8 *r;
+ int len, /* Length of the whole data structure */
+ bitlen, /* Number of bits in the bit string */
+ slen; /* Length of the input string */
+ int bit_not_hex = 0;/* 0 = hex string 1=bit string */
+ int bc,
+ ipad;
+ bits8 x = 0;
+
+
+ if (s == NULL)
+ return (bits8 *) NULL;
+
+ /* Check that the first character is a b or an x */
+ if (s[0] == 'b' || s[0] == 'B')
+ bit_not_hex = 1;
+ else if (s[0] == 'x' || s[0] == 'X')
+ bit_not_hex = 0;
+ else
+ elog(ERROR, "zpbitin: %s is not a valid bitstring", s);
+
+ slen = strlen(s) - 1;
+ /* Determine bitlength from input string */
+ bitlen = slen;
+ if (!bit_not_hex)
+ bitlen *= 4;
+
+ /*
+ * Sometimes atttypmod is not supplied. If it is supplied we need to
+ * make sure that the bitstring fits. Note that the number of infered
+ * bits can be larger than the number of actual bits needed, but only
+ * if we are reading a hex string and not by more than 3 bits, as a
+ * hex string gives and accurate length upto 4 bits
+ */
+ if (atttypmod == -1)
+ atttypmod = bitlen;
+ else if ((bitlen > atttypmod && bit_not_hex) ||
+ (bitlen > atttypmod + 3 && !bit_not_hex))
+ elog(ERROR, "zpbitin: bit string of size %d cannot be written into bits(%d)",
+ bitlen, atttypmod);
+
+
+ len = VARBITDATALEN(atttypmod);
+
+ if (len > MaxAttrSize)
+ elog(ERROR, "zpbitin: length of bit() must be less than %ld",
+ (MaxAttrSize - VARHDRSZ - VARBITHDRSZ) * BITSPERBYTE);
+
+ result = (bits8 *) palloc(len);
+ /* set to 0 so that *r is always initialised and strin is zero-padded */
+ memset(result, 0, len);
+ VARSIZE(result) = len;
+ VARBITLEN(result) = atttypmod;
+
+ /*
+ * We need to read the bitstring from the end, as we store it least
+ * significant byte first. s points to the byte before the beginning
+ * of the bitstring
+ */
+ sp = s + 1;
+ r = VARBITS(result);
+ if (bit_not_hex)
+ {
+ /* Parse the bit representation of the string */
+ /* We know it fits, as bitlen was compared to atttypmod */
+ x = BITHIGH;
+ for (bc = 0; sp != s + slen + 1; sp++, bc++)
+ {
+ if (*sp == '1')
+ *r |= x;
+ if (bc == 7)
+ {
+ bc = 0;
+ x = BITHIGH;
+ r++;
+ }
+ else
+ x >>= 1;
+ }
+ }
+ else
{
- if (*sp=='1')
- *r |= x;
- if (bc==7) {
- bc = 0;
- x = BITHIGH;
- r++;
- } else
- x >>= 1;
+ /* Parse the hex representation of the string */
+ for (bc = 0; sp != s + slen + 1; sp++)
+ {
+ if (*sp >= '0' && *sp <= '9')
+ x = (bits8) (*sp - '0');
+ else if (*sp >= 'A' && *sp <= 'F')
+ x = (bits8) (*sp - 'A') + 10;
+ else if (*sp >= 'a' && *sp <= 'f')
+ x = (bits8) (*sp - 'a') + 10;
+ else
+ elog(ERROR, "Cannot parse %c as a hex digit", *sp);
+ if (bc)
+ {
+ bc = 0;
+ *r++ |= x;
+ }
+ else
+ {
+ bc++;
+ *r = x << 4;
+ }
+ }
}
- }
- else
- {
- /* Parse the hex representation of the string */
- for (bc = 0; sp != s+slen+1; sp++)
+
+ if (bitlen > atttypmod)
{
- if (*sp>='0' && *sp<='9')
- x = (bits8) (*sp - '0');
- else if (*sp>='A' && *sp<='F')
- x = (bits8) (*sp - 'A') + 10;
- else if (*sp>='a' && *sp<='f')
- x = (bits8) (*sp - 'a') + 10;
- else
- elog(ERROR,"Cannot parse %c as a hex digit",*sp);
- if (bc) {
- bc = 0;
- *r++ |= x;
- } else {
- bc++;
- *r = x<<4;
- }
+ /* Check that this fitted */
+ r = (bits8 *) (result + len - 1);
+ ipad = VARBITPAD(result);
+
+ /*
+ * The bottom ipad bits of the byte pointed to by r need to be
+ * zero
+ */
+
+ /*
+ * printf("Byte %X shift %X %d\n",*r,(*r << (8-ipad)) & BITMASK,
+ * (*r << (8-ipad)) & BITMASK > 0);
+ */
+ if (((*r << (BITSPERBYTE - ipad)) & BITMASK) > 0)
+ elog(ERROR, "zpbitin: bit string too large for bit(%d) data type",
+ atttypmod);
}
- }
-
- if (bitlen > atttypmod) {
- /* Check that this fitted */
- r = (bits8 *) (result + len - 1);
- ipad = VARBITPAD(result);
- /* The bottom ipad bits of the byte pointed to by r need to be zero */
- /* printf("Byte %X shift %X %d\n",*r,(*r << (8-ipad)) & BITMASK,
- (*r << (8-ipad)) & BITMASK > 0);
- */
- if (((*r << (BITSPERBYTE-ipad)) & BITMASK) > 0)
- elog(ERROR, "zpbitin: bit string too large for bit(%d) data type",
- atttypmod);
- }
-
- return result;
+
+ return result;
}
/* zpbitout -
- * for the time being we print everything as hex strings, as this is likely
- * to be more compact than bit strings, and consequently much more efficient
- * for long strings
+ * for the time being we print everything as hex strings, as this is likely
+ * to be more compact than bit strings, and consequently much more efficient
+ * for long strings
*/
char *
zpbitout(bits8 *s)
{
- char *result, *r;
- bits8 *sp;
- int i, len, bitlen;
-
- if (s == NULL)
- {
- result = (char *) palloc(2);
- result[0] = '-';
- result[1] = '\0';
- }
- else
- {
- bitlen = VARBITLEN(s);
- len = bitlen/4 + (bitlen%4>0 ? 1 : 0);
- result = (char *) palloc(len + 4);
- sp = VARBITS(s);
- r = result;
- *r++ = 'X';
- *r++ = '\'';
- /* we cheat by knowing that we store full bytes zero padded */
- for (i=0; i<len; i+=2, sp++) {
- *r++ = HEXDIG((*sp)>>4);
- *r++ = HEXDIG((*sp) & 0xF);
- }
- /* Go back one step if we printed a hex number that was not part
- of the bitstring anymore */
- if (i==len+1)
- r--;
- *r++ = '\'';
- *r = '\0';
- }
- return result;
+ char *result,
+ *r;
+ bits8 *sp;
+ int i,
+ len,
+ bitlen;
+
+ if (s == NULL)
+ {
+ result = (char *) palloc(2);
+ result[0] = '-';
+ result[1] = '\0';
+ }
+ else
+ {
+ bitlen = VARBITLEN(s);
+ len = bitlen / 4 + (bitlen % 4 > 0 ? 1 : 0);
+ result = (char *) palloc(len + 4);
+ sp = VARBITS(s);
+ r = result;
+ *r++ = 'X';
+ *r++ = '\'';
+ /* we cheat by knowing that we store full bytes zero padded */
+ for (i = 0; i < len; i += 2, sp++)
+ {
+ *r++ = HEXDIG((*sp) >> 4);
+ *r++ = HEXDIG((*sp) & 0xF);
+ }
+
+ /*
+ * Go back one step if we printed a hex number that was not part
+ * of the bitstring anymore
+ */
+ if (i == len + 1)
+ r--;
+ *r++ = '\'';
+ *r = '\0';
+ }
+ return result;
}
/* zpbitsout -
- * Prints the string a bits
+ * Prints the string a bits
*/
char *
zpbitsout(bits8 *s)
{
- char *result, *r;
- bits8 *sp;
- bits8 x;
- int i, k, len;
-
- if (s == NULL)
- {
- result = (char *) palloc(2);
- result[0] = '-';
- result[1] = '\0';
- }
- else
- {
- len = VARBITLEN(s);
- result = (char *) palloc(len + 4);
- sp = VARBITS(s);
- r = result;
- *r++ = 'B';
- *r++ = '\'';
- for (i=0; i<len-BITSPERBYTE; i+=BITSPERBYTE, sp++) {
- x = *sp;
- for (k=0; k<BITSPERBYTE; k++)
- {
- *r++ = (x & BITHIGH) ? '1' : '0';
- x <<= 1;
- }
- }
- x = *sp;
- for (k=i; k<len; k++)
+ char *result,
+ *r;
+ bits8 *sp;
+ bits8 x;
+ int i,
+ k,
+ len;
+
+ if (s == NULL)
{
- *r++ = (x & BITHIGH) ? '1' : '0';
- x <<= 1;
+ result = (char *) palloc(2);
+ result[0] = '-';
+ result[1] = '\0';
}
- *r++ = '\'';
- *r = '\0';
- }
- return result;
+ else
+ {
+ len = VARBITLEN(s);
+ result = (char *) palloc(len + 4);
+ sp = VARBITS(s);
+ r = result;
+ *r++ = 'B';
+ *r++ = '\'';
+ for (i = 0; i < len - BITSPERBYTE; i += BITSPERBYTE, sp++)
+ {
+ x = *sp;
+ for (k = 0; k < BITSPERBYTE; k++)
+ {
+ *r++ = (x & BITHIGH) ? '1' : '0';
+ x <<= 1;
+ }
+ }
+ x = *sp;
+ for (k = i; k < len; k++)
+ {
+ *r++ = (x & BITHIGH) ? '1' : '0';
+ x <<= 1;
+ }
+ *r++ = '\'';
+ *r = '\0';
+ }
+ return result;
}
* converts a string to the internal representation of a bitstring.
*/
bits8 *
-varbitin(char *s, int dummy, int32 atttypmod)
+varbitin(char *s, int dummy, int32 atttypmod)
{
- bits8 *result; /* The resulting bit string */
- char *sp; /* pointer into the character string */
- bits8 *r;
- int len, /* Length of the whole data structure */
- bitlen, /* Number of bits in the bit string */
- slen; /* Length of the input string */
- int bit_not_hex = 0;
- int bc, ipad;
- bits8 x = 0;
-
-
- if (s == NULL)
- return (bits8 *) NULL;
-
- /* Check that the first character is a b or an x */
- if (s[0]=='b' || s[0]=='B')
- bit_not_hex = 1;
- else if (s[0]=='x' || s[0]=='X')
- bit_not_hex = 0;
- else
- elog(ERROR, "zpbitin: %s is not a valid bitstring",s);
-
- slen = strlen(s) - 1;
- /* Determine bitlength from input string */
- bitlen = slen;
- if (!bit_not_hex)
- bitlen *= 4;
-
- /* Sometimes atttypmod is not supplied. If it is supplied we need to make
- sure that the bitstring fits. Note that the number of infered bits can
- be larger than the number of actual bits needed, but only if we are
- reading a hex string and not by more than 3 bits, as a hex string gives
- and accurate length upto 4 bits */
- if (atttypmod > -1)
- if ((bitlen>atttypmod && bit_not_hex) ||
- (bitlen>atttypmod+3 && !bit_not_hex))
- elog(ERROR, "varbitin: bit string of size %d cannot be written into varying bits(%d)",
- bitlen,atttypmod);
-
-
- len = VARBITDATALEN(bitlen);
-
- if (len > MaxAttrSize)
- elog(ERROR, "varbitin: length of bit() must be less than %ld",
- (MaxAttrSize-VARHDRSZ-VARBITHDRSZ)*BITSPERBYTE);
-
- result = (bits8 *) palloc(len);
- /* set to 0 so that *r is always initialised and strin is zero-padded */
- memset(result, 0, len);
- VARSIZE(result) = len;
- VARBITLEN(result) = bitlen;
-
- /* We need to read the bitstring from the end, as we store it least
- significant byte first. s points to the byte before the beginning
- of the bitstring */
- sp = s + 1;
- r = VARBITS(result);
- if (bit_not_hex)
- {
- /* Parse the bit representation of the string */
- x = BITHIGH;
- for (bc = 0; sp != s+slen+1; sp++, bc++)
+ bits8 *result; /* The resulting bit string */
+ char *sp; /* pointer into the character string */
+ bits8 *r;
+ int len, /* Length of the whole data structure */
+ bitlen, /* Number of bits in the bit string */
+ slen; /* Length of the input string */
+ int bit_not_hex = 0;
+ int bc,
+ ipad;
+ bits8 x = 0;
+
+
+ if (s == NULL)
+ return (bits8 *) NULL;
+
+ /* Check that the first character is a b or an x */
+ if (s[0] == 'b' || s[0] == 'B')
+ bit_not_hex = 1;
+ else if (s[0] == 'x' || s[0] == 'X')
+ bit_not_hex = 0;
+ else
+ elog(ERROR, "zpbitin: %s is not a valid bitstring", s);
+
+ slen = strlen(s) - 1;
+ /* Determine bitlength from input string */
+ bitlen = slen;
+ if (!bit_not_hex)
+ bitlen *= 4;
+
+ /*
+ * Sometimes atttypmod is not supplied. If it is supplied we need to
+ * make sure that the bitstring fits. Note that the number of infered
+ * bits can be larger than the number of actual bits needed, but only
+ * if we are reading a hex string and not by more than 3 bits, as a
+ * hex string gives and accurate length upto 4 bits
+ */
+ if (atttypmod > -1)
+ if ((bitlen > atttypmod && bit_not_hex) ||
+ (bitlen > atttypmod + 3 && !bit_not_hex))
+ elog(ERROR, "varbitin: bit string of size %d cannot be written into varying bits(%d)",
+ bitlen, atttypmod);
+
+
+ len = VARBITDATALEN(bitlen);
+
+ if (len > MaxAttrSize)
+ elog(ERROR, "varbitin: length of bit() must be less than %ld",
+ (MaxAttrSize - VARHDRSZ - VARBITHDRSZ) * BITSPERBYTE);
+
+ result = (bits8 *) palloc(len);
+ /* set to 0 so that *r is always initialised and strin is zero-padded */
+ memset(result, 0, len);
+ VARSIZE(result) = len;
+ VARBITLEN(result) = bitlen;
+
+ /*
+ * We need to read the bitstring from the end, as we store it least
+ * significant byte first. s points to the byte before the beginning
+ * of the bitstring
+ */
+ sp = s + 1;
+ r = VARBITS(result);
+ if (bit_not_hex)
+ {
+ /* Parse the bit representation of the string */
+ x = BITHIGH;
+ for (bc = 0; sp != s + slen + 1; sp++, bc++)
+ {
+ if (*sp == '1')
+ *r |= x;
+ if (bc == 7)
+ {
+ bc = 0;
+ x = BITHIGH;
+ r++;
+ }
+ else
+ x >>= 1;
+ }
+ }
+ else
{
- if (*sp=='1')
- *r |= x;
- if (bc==7) {
- bc = 0;
- x = BITHIGH;
- r++;
- } else
- x >>= 1;
+ for (bc = 0; sp != s + slen + 1; sp++)
+ {
+ if (*sp >= '0' && *sp <= '9')
+ x = (bits8) (*sp - '0');
+ else if (*sp >= 'A' && *sp <= 'F')
+ x = (bits8) (*sp - 'A') + 10;
+ else if (*sp >= 'a' && *sp <= 'f')
+ x = (bits8) (*sp - 'a') + 10;
+ else
+ elog(ERROR, "Cannot parse %c as a hex digit", *sp);
+ if (bc)
+ {
+ bc = 0;
+ *r++ |= x;
+ }
+ else
+ {
+ bc++;
+ *r = x << 4;
+ }
+ }
}
- }
- else
- {
- for (bc = 0; sp != s+slen+1; sp++)
+
+ if (bitlen > atttypmod)
{
- if (*sp>='0' && *sp<='9')
- x = (bits8) (*sp - '0');
- else if (*sp>='A' && *sp<='F')
- x = (bits8) (*sp - 'A') + 10;
- else if (*sp>='a' && *sp<='f')
- x = (bits8) (*sp - 'a') + 10;
- else
- elog(ERROR,"Cannot parse %c as a hex digit",*sp);
- if (bc) {
- bc = 0;
- *r++ |= x;
- } else {
- bc++;
- *r = x<<4;
- }
+ /* Check that this fitted */
+ r = (bits8 *) (result + len - 1);
+ ipad = VARBITPAD(result);
+
+ /*
+ * The bottom ipad bits of the byte pointed to by r need to be
+ * zero
+ */
+ if (((*r << (BITSPERBYTE - ipad)) & BITMASK) > 0)
+ elog(ERROR, "varbitin: bit string too large for varying bit(%d) data type",
+ atttypmod);
}
- }
-
- if (bitlen > atttypmod) {
- /* Check that this fitted */
- r = (bits8 *) (result + len - 1);
- ipad = VARBITPAD(result);
- /* The bottom ipad bits of the byte pointed to by r need to be zero */
- if (((*r << (BITSPERBYTE-ipad)) & BITMASK) > 0)
- elog(ERROR, "varbitin: bit string too large for varying bit(%d) data type",
- atttypmod);
- }
-
- return result;
+
+ return result;
}
/*
- the zpbitout routines are fine for varying bits as well
+ the zpbitout routines are fine for varying bits as well
*/
* Comparison operators
*
* We only need one set of comparison operators for bitstrings, as the lengths
- * are stored in the same way for zero-padded and varying bit strings.
+ * are stored in the same way for zero-padded and varying bit strings.
*
- * Note that the standard is not unambiguous about the comparison between
+ * Note that the standard is not unambiguous about the comparison between
* zero-padded bit strings and varying bitstrings. If the same value is written
- * into a zero padded bitstring as into a varying bitstring, but the zero
- * padded bitstring has greater length, it will be bigger.
+ * into a zero padded bitstring as into a varying bitstring, but the zero
+ * padded bitstring has greater length, it will be bigger.
*
* Zeros from the beginning of a bitstring cannot simply be ignored, as they
* may be part of a bit string and may be significant.
*/
bool
-biteq (bits8 *arg1, bits8 *arg2)
+biteq(bits8 *arg1, bits8 *arg2)
{
- int bitlen1,
- bitlen2;
-
- if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
- return (bool) 0;
- bitlen1 = VARBITLEN(arg1);
- bitlen2 = VARBITLEN(arg2);
- if (bitlen1 != bitlen2)
- return (bool) 0;
-
- /* bit strings are always stored in a full number of bytes */
- return memcmp((void *)VARBITS(arg1),(void *)VARBITS(arg2),
- VARBITBYTES(arg1)) == 0;
+ int bitlen1,
+ bitlen2;
+
+ if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
+ return (bool) 0;
+ bitlen1 = VARBITLEN(arg1);
+ bitlen2 = VARBITLEN(arg2);
+ if (bitlen1 != bitlen2)
+ return (bool) 0;
+
+ /* bit strings are always stored in a full number of bytes */
+ return memcmp((void *) VARBITS(arg1), (void *) VARBITS(arg2),
+ VARBITBYTES(arg1)) == 0;
}
bool
-bitne (bits8 *arg1, bits8 *arg2)
+bitne(bits8 *arg1, bits8 *arg2)
{
- int bitlen1,
- bitlen2;
-
- if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
- return (bool) 0;
- bitlen1 = VARBITLEN(arg1);
- bitlen2 = VARBITLEN(arg2);
- if (bitlen1 != bitlen2)
- return (bool) 1;
-
- /* bit strings are always stored in a full number of bytes */
- return memcmp((void *)VARBITS(arg1),(void *)VARBITS(arg2),
- VARBITBYTES(arg1)) != 0;
+ int bitlen1,
+ bitlen2;
+
+ if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
+ return (bool) 0;
+ bitlen1 = VARBITLEN(arg1);
+ bitlen2 = VARBITLEN(arg2);
+ if (bitlen1 != bitlen2)
+ return (bool) 1;
+
+ /* bit strings are always stored in a full number of bytes */
+ return memcmp((void *) VARBITS(arg1), (void *) VARBITS(arg2),
+ VARBITBYTES(arg1)) != 0;
}
/* bitcmp
- *
+ *
* Compares two bitstrings and returns -1, 0, 1 depending on whether the first
* string is smaller, equal, or bigger than the second. All bits are considered
* and additional zero bits may make one string smaller/larger than the other,
* even if their zero-padded values would be the same.
- * Anything is equal to undefined.
+ * Anything is equal to undefined.
*/
-int
-bitcmp (bits8 *arg1, bits8 *arg2)
+int
+bitcmp(bits8 *arg1, bits8 *arg2)
{
- int bitlen1, bytelen1,
- bitlen2, bytelen2;
- int cmp;
-
- if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
- return (bool) 0;
- bytelen1 = VARBITBYTES(arg1);
- bytelen2 = VARBITBYTES(arg2);
-
- cmp = memcmp(VARBITS(arg1),VARBITS(arg2),Min(bytelen1,bytelen2));
- if (cmp==0) {
- bitlen1 = VARBITLEN(arg1);
- bitlen2 = VARBITLEN(arg2);
- if (bitlen1 != bitlen2)
- return bitlen1 < bitlen2 ? -1 : 1;
- }
- return cmp;
+ int bitlen1,
+ bytelen1,
+ bitlen2,
+ bytelen2;
+ int cmp;
+
+ if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
+ return (bool) 0;
+ bytelen1 = VARBITBYTES(arg1);
+ bytelen2 = VARBITBYTES(arg2);
+
+ cmp = memcmp(VARBITS(arg1), VARBITS(arg2), Min(bytelen1, bytelen2));
+ if (cmp == 0)
+ {
+ bitlen1 = VARBITLEN(arg1);
+ bitlen2 = VARBITLEN(arg2);
+ if (bitlen1 != bitlen2)
+ return bitlen1 < bitlen2 ? -1 : 1;
+ }
+ return cmp;
}
bool
-bitlt (bits8 *arg1, bits8 *arg2)
+bitlt(bits8 *arg1, bits8 *arg2)
{
- return (bool) (bitcmp(arg1,arg2) == -1);
+ return (bool) (bitcmp(arg1, arg2) == -1);
}
bool
-bitle (bits8 *arg1, bits8 *arg2)
+bitle(bits8 *arg1, bits8 *arg2)
{
- return (bool) (bitcmp(arg1,arg2) <= 0);
+ return (bool) (bitcmp(arg1, arg2) <= 0);
}
bool
-bitge (bits8 *arg1, bits8 *arg2)
+bitge(bits8 *arg1, bits8 *arg2)
{
- return (bool) (bitcmp(arg1,arg2) >= 0);
+ return (bool) (bitcmp(arg1, arg2) >= 0);
}
bool
-bitgt (bits8 *arg1, bits8 *arg2)
+bitgt(bits8 *arg1, bits8 *arg2)
{
- return (bool) (bitcmp(arg1,arg2) == 1);
+ return (bool) (bitcmp(arg1, arg2) == 1);
}
/* bitcat
* Concatenation of bit strings
*/
bits8 *
-bitcat (bits8 *arg1, bits8 *arg2)
+bitcat(bits8 *arg1, bits8 *arg2)
{
- int bitlen1, bitlen2, bytelen, bit1pad, bit2shift;
- bits8 *result;
- bits8 *pr, *pa;
-
- if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
- return NULL;
-
- bitlen1 = VARBITLEN(arg1);
- bitlen2 = VARBITLEN(arg2);
-
- bytelen = VARBITDATALEN(bitlen1+bitlen2);
-
- result = (bits8 *) palloc(bytelen*sizeof(bits8));
- VARSIZE(result) = bytelen;
- VARBITLEN(result) = bitlen1+bitlen2;
- printf("%d %d %d \n",VARBITBYTES(arg1),VARBITLEN(arg1),VARBITPAD(arg1));
- /* Copy the first bitstring in */
- memcpy(VARBITS(result),VARBITS(arg1),VARBITBYTES(arg1));
- /* Copy the second bit string */
- bit1pad = VARBITPAD(arg1);
- if (bit1pad==0)
- {
- memcpy(VARBITS(result)+VARBITBYTES(arg1),VARBITS(arg2),
- VARBITBYTES(arg2));
- }
- else if (bitlen2>0)
- {
- /* We need to shift all the results to fit */
- bit2shift = BITSPERBYTE - bit1pad;
- pa = VARBITS(arg2);
- pr = VARBITS(result)+VARBITBYTES(arg1)-1;
- for ( ; pa < VARBITEND(arg2); pa++) {
- *pr |= ((*pa >> bit2shift) & BITMASK);
- pr++;
- if (pr < VARBITEND(result))
- *pr = (*pa << bit1pad) & BITMASK;
- }
- }
-
- return result;
+ int bitlen1,
+ bitlen2,
+ bytelen,
+ bit1pad,
+ bit2shift;
+ bits8 *result;
+ bits8 *pr,
+ *pa;
+
+ if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
+ return NULL;
+
+ bitlen1 = VARBITLEN(arg1);
+ bitlen2 = VARBITLEN(arg2);
+
+ bytelen = VARBITDATALEN(bitlen1 + bitlen2);
+
+ result = (bits8 *) palloc(bytelen * sizeof(bits8));
+ VARSIZE(result) = bytelen;
+ VARBITLEN(result) = bitlen1 + bitlen2;
+ printf("%d %d %d \n", VARBITBYTES(arg1), VARBITLEN(arg1), VARBITPAD(arg1));
+ /* Copy the first bitstring in */
+ memcpy(VARBITS(result), VARBITS(arg1), VARBITBYTES(arg1));
+ /* Copy the second bit string */
+ bit1pad = VARBITPAD(arg1);
+ if (bit1pad == 0)
+ {
+ memcpy(VARBITS(result) + VARBITBYTES(arg1), VARBITS(arg2),
+ VARBITBYTES(arg2));
+ }
+ else if (bitlen2 > 0)
+ {
+ /* We need to shift all the results to fit */
+ bit2shift = BITSPERBYTE - bit1pad;
+ pa = VARBITS(arg2);
+ pr = VARBITS(result) + VARBITBYTES(arg1) - 1;
+ for (; pa < VARBITEND(arg2); pa++)
+ {
+ *pr |= ((*pa >> bit2shift) & BITMASK);
+ pr++;
+ if (pr < VARBITEND(result))
+ *pr = (*pa << bit1pad) & BITMASK;
+ }
+ }
+
+ return result;
}
/* bitsubstr
- * retrieve a substring from the bit string.
+ * retrieve a substring from the bit string.
* Note, s is 1-based.
* SQL draft 6.10 9)
*/
-bits8 *
-bitsubstr (bits8 *arg, int32 s, int32 l)
+bits8 *
+bitsubstr(bits8 *arg, int32 s, int32 l)
{
- int bitlen,
- rbitlen,
- len,
- ipad = 0,
- ishift,
- i;
- int e, s1, e1;
- bits8 * result;
- bits8 mask, *r, *ps;
-
- if (!PointerIsValid(arg))
- return NULL;
-
- bitlen = VARBITLEN(arg);
- e = s+l;
- s1 = Max(s,1);
- e1 = Min(e,bitlen+1);
- if (s1>bitlen || e1<1)
- {
- /* Need to return a null string */
- len = VARBITDATALEN(0);
- result = (bits8 *) palloc(len);
- VARBITLEN(result) = 0;
- VARSIZE(result) = len;
- }
- else
- {
- /* OK, we've got a true substring starting at position s1-1 and
- ending at position e1-1 */
- rbitlen = e1-s1;
- len = VARBITDATALEN(rbitlen);
- result = (bits8 *) palloc(len);
- VARBITLEN(result) = rbitlen;
- VARSIZE(result) = len;
- len -= VARHDRSZ + VARBITHDRSZ;
- /* Are we copying from a byte boundary? */
- if ((s1-1)%BITSPERBYTE==0)
+ int bitlen,
+ rbitlen,
+ len,
+ ipad = 0,
+ ishift,
+ i;
+ int e,
+ s1,
+ e1;
+ bits8 *result;
+ bits8 mask,
+ *r,
+ *ps;
+
+ if (!PointerIsValid(arg))
+ return NULL;
+
+ bitlen = VARBITLEN(arg);
+ e = s + l;
+ s1 = Max(s, 1);
+ e1 = Min(e, bitlen + 1);
+ if (s1 > bitlen || e1 < 1)
{
- /* Yep, we are copying bytes */
- memcpy(VARBITS(result),VARBITS(arg)+(s1-1)/BITSPERBYTE,len);
- }
- else
- {
- /* Figure out how much we need to shift the sequence by */
- ishift = (s1-1)%BITSPERBYTE;
- r = VARBITS(result);
- ps = VARBITS(arg) + (s1-1)/BITSPERBYTE;
- for (i=0; i<len; i++)
- {
- *r = (*ps <<ishift) & BITMASK;
- if ((++ps) < VARBITEND(arg))
- *r |= *ps >>(BITSPERBYTE-ishift);
- r++;
- }
+ /* Need to return a null string */
+ len = VARBITDATALEN(0);
+ result = (bits8 *) palloc(len);
+ VARBITLEN(result) = 0;
+ VARSIZE(result) = len;
}
- /* Do we need to pad at the end? */
- ipad = VARBITPAD(result);
- if (ipad > 0)
+ else
{
- mask = BITMASK << ipad;
- *(VARBITS(result) + len - 1) &= mask;
+
+ /*
+ * OK, we've got a true substring starting at position s1-1 and
+ * ending at position e1-1
+ */
+ rbitlen = e1 - s1;
+ len = VARBITDATALEN(rbitlen);
+ result = (bits8 *) palloc(len);
+ VARBITLEN(result) = rbitlen;
+ VARSIZE(result) = len;
+ len -= VARHDRSZ + VARBITHDRSZ;
+ /* Are we copying from a byte boundary? */
+ if ((s1 - 1) % BITSPERBYTE == 0)
+ {
+ /* Yep, we are copying bytes */
+ memcpy(VARBITS(result), VARBITS(arg) + (s1 - 1) / BITSPERBYTE, len);
+ }
+ else
+ {
+ /* Figure out how much we need to shift the sequence by */
+ ishift = (s1 - 1) % BITSPERBYTE;
+ r = VARBITS(result);
+ ps = VARBITS(arg) + (s1 - 1) / BITSPERBYTE;
+ for (i = 0; i < len; i++)
+ {
+ *r = (*ps << ishift) & BITMASK;
+ if ((++ps) < VARBITEND(arg))
+ *r |= *ps >> (BITSPERBYTE - ishift);
+ r++;
+ }
+ }
+ /* Do we need to pad at the end? */
+ ipad = VARBITPAD(result);
+ if (ipad > 0)
+ {
+ mask = BITMASK << ipad;
+ *(VARBITS(result) + len - 1) &= mask;
+ }
}
- }
- return result;
+ return result;
}
/* bitand
* truncated to the shorter bit string
*/
bits8 *
-bitand (bits8 * arg1, bits8 * arg2)
+bitand(bits8 *arg1, bits8 *arg2)
{
- int len,
- i;
- bits8 *result;
- bits8 *p1,
- *p2,
- *r;
-
- if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
- return (bool) 0;
-
- len = Min(VARSIZE(arg1),VARSIZE(arg2));
- result = (bits8 *) palloc(len);
- VARSIZE(result) = len;
- VARBITLEN(result) = Min(VARBITLEN(arg1),VARBITLEN(arg2));
-
- p1 = (bits8 *) VARBITS(arg1);
- p2 = (bits8 *) VARBITS(arg2);
- r = (bits8 *) VARBITS(result);
- for (i=0; i<Min(VARBITBYTES(arg1),VARBITBYTES(arg2)); i++)
- *r++ = *p1++ & *p2++;
-
- /* Padding is not needed as & of 0 pad is 0 */
-
- return result;
+ int len,
+ i;
+ bits8 *result;
+ bits8 *p1,
+ *p2,
+ *r;
+
+ if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
+ return (bool) 0;
+
+ len = Min(VARSIZE(arg1), VARSIZE(arg2));
+ result = (bits8 *) palloc(len);
+ VARSIZE(result) = len;
+ VARBITLEN(result) = Min(VARBITLEN(arg1), VARBITLEN(arg2));
+
+ p1 = (bits8 *) VARBITS(arg1);
+ p2 = (bits8 *) VARBITS(arg2);
+ r = (bits8 *) VARBITS(result);
+ for (i = 0; i < Min(VARBITBYTES(arg1), VARBITBYTES(arg2)); i++)
+ *r++ = *p1++ & *p2++;
+
+ /* Padding is not needed as & of 0 pad is 0 */
+
+ return result;
}
/* bitor
* truncated to the shorter bit string.
*/
bits8 *
-bitor (bits8 * arg1, bits8 * arg2)
+bitor(bits8 *arg1, bits8 *arg2)
{
- int len,
- i;
- bits8 *result;
- bits8 *p1,
- *p2,
- *r;
- bits8 mask;
-
- if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
- return (bool) 0;
-
- len = Min(VARSIZE(arg1),VARSIZE(arg2));
- result = (bits8 *) palloc(len);
- VARSIZE(result) = len;
- VARBITLEN(result) = Min(VARBITLEN(arg1),VARBITLEN(arg2));
-
- p1 = (bits8 *) VARBITS(arg1);
- p2 = (bits8 *) VARBITS(arg2);
- r = (bits8 *) VARBITS(result);
- for (i=0; i<Min(VARBITBYTES(arg1),VARBITBYTES(arg2)); i++)
- *r++ = *p1++ | *p2++;
-
- /* Pad the result */
- mask = BITMASK << VARBITPAD(result);
- *r &= mask;
-
- return result;
+ int len,
+ i;
+ bits8 *result;
+ bits8 *p1,
+ *p2,
+ *r;
+ bits8 mask;
+
+ if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
+ return (bool) 0;
+
+ len = Min(VARSIZE(arg1), VARSIZE(arg2));
+ result = (bits8 *) palloc(len);
+ VARSIZE(result) = len;
+ VARBITLEN(result) = Min(VARBITLEN(arg1), VARBITLEN(arg2));
+
+ p1 = (bits8 *) VARBITS(arg1);
+ p2 = (bits8 *) VARBITS(arg2);
+ r = (bits8 *) VARBITS(result);
+ for (i = 0; i < Min(VARBITBYTES(arg1), VARBITBYTES(arg2)); i++)
+ *r++ = *p1++ | *p2++;
+
+ /* Pad the result */
+ mask = BITMASK << VARBITPAD(result);
+ *r &= mask;
+
+ return result;
}
/* bitxor
* truncated to the shorter bit string.
*/
bits8 *
-bitxor (bits8 * arg1, bits8 * arg2)
+bitxor(bits8 *arg1, bits8 *arg2)
{
- int len,
- i;
- bits8 *result;
- bits8 *p1,
- *p2,
- *r;
- bits8 mask;
-
- if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
- return (bool) 0;
-
- len = Min(VARSIZE(arg1),VARSIZE(arg2));
- result = (bits8 *) palloc(len);
- VARSIZE(result) = len;
- VARBITLEN(result) = Min(VARBITLEN(arg1),VARBITLEN(arg2));
-
- p1 = (bits8 *) VARBITS(arg1);
- p2 = (bits8 *) VARBITS(arg2);
- r = (bits8 *) VARBITS(result);
- for (i=0; i<Min(VARBITBYTES(arg1),VARBITBYTES(arg2)); i++)
- {
- *r++ = *p1++ ^ *p2++;
- }
-
- /* Pad the result */
- mask = BITMASK << VARBITPAD(result);
- *r &= mask;
-
- return result;
+ int len,
+ i;
+ bits8 *result;
+ bits8 *p1,
+ *p2,
+ *r;
+ bits8 mask;
+
+ if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
+ return (bool) 0;
+
+ len = Min(VARSIZE(arg1), VARSIZE(arg2));
+ result = (bits8 *) palloc(len);
+ VARSIZE(result) = len;
+ VARBITLEN(result) = Min(VARBITLEN(arg1), VARBITLEN(arg2));
+
+ p1 = (bits8 *) VARBITS(arg1);
+ p2 = (bits8 *) VARBITS(arg2);
+ r = (bits8 *) VARBITS(result);
+ for (i = 0; i < Min(VARBITBYTES(arg1), VARBITBYTES(arg2)); i++)
+ *r++ = *p1++ ^ *p2++;
+
+ /* Pad the result */
+ mask = BITMASK << VARBITPAD(result);
+ *r &= mask;
+
+ return result;
}
/* bitnot
* perform a logical NOT on a bit strings.
*/
bits8 *
-bitnot (bits8 * arg)
+bitnot(bits8 *arg)
{
- bits8 *result;
- bits8 *p,
- *r;
- bits8 mask;
-
- if (!PointerIsValid(arg))
- return (bool) 0;
-
- result = (bits8 *) palloc(VARSIZE(arg));
- VARSIZE(result) = VARSIZE(arg);
- VARBITLEN(result) = VARBITLEN(arg);
-
- p = (bits8 *) VARBITS(arg);
- r = (bits8 *) VARBITS(result);
- for ( ; p < VARBITEND(arg); p++, r++)
- *r = ~*p;
-
- /* Pad the result */
- mask = BITMASK << VARBITPAD(result);
- *r &= mask;
-
- return result;
+ bits8 *result;
+ bits8 *p,
+ *r;
+ bits8 mask;
+
+ if (!PointerIsValid(arg))
+ return (bool) 0;
+
+ result = (bits8 *) palloc(VARSIZE(arg));
+ VARSIZE(result) = VARSIZE(arg);
+ VARBITLEN(result) = VARBITLEN(arg);
+
+ p = (bits8 *) VARBITS(arg);
+ r = (bits8 *) VARBITS(result);
+ for (; p < VARBITEND(arg); p++, r++)
+ *r = ~*p;
+
+ /* Pad the result */
+ mask = BITMASK << VARBITPAD(result);
+ *r &= mask;
+
+ return result;
}
/* bitshiftleft
* do a left shift (i.e. to the beginning of the string) of the bit string
*/
bits8 *
-bitshiftleft (bits8 * arg, int shft)
+bitshiftleft(bits8 *arg, int shft)
{
- int byte_shift, ishift, len;
- bits8 *result;
- bits8 *p,
- *r;
-
- if (!PointerIsValid(arg))
- return (bool) 0;
-
- /* Negative shift is a shift to the right */
- if (shft < 0)
- return bitshiftright(arg, -shft);
-
- result = (bits8 *) palloc(VARSIZE(arg));
- VARSIZE(result) = VARSIZE(arg);
- VARBITLEN(result) = VARBITLEN(arg);
- r = (bits8 *) VARBITS(result);
-
- byte_shift = shft/BITSPERBYTE;
- ishift = shft % BITSPERBYTE;
- p = ((bits8 *) VARBITS(arg)) + byte_shift;
-
- if (ishift == 0) {
- /* Special case: we can do a memcpy */
- len = VARBITBYTES(arg) - byte_shift;
- memcpy(r, p, len);
- memset(r+len, 0, byte_shift);
- } else {
- for ( ; p < VARBITEND(arg); r++) {
- *r = *p <<ishift;
- if ((++p) < VARBITEND(arg))
- *r |= *p >>(BITSPERBYTE-ishift);
- }
- for ( ; r < VARBITEND(result) ; r++ )
- *r = (bits8) 0;
- }
-
- return result;
+ int byte_shift,
+ ishift,
+ len;
+ bits8 *result;
+ bits8 *p,
+ *r;
+
+ if (!PointerIsValid(arg))
+ return (bool) 0;
+
+ /* Negative shift is a shift to the right */
+ if (shft < 0)
+ return bitshiftright(arg, -shft);
+
+ result = (bits8 *) palloc(VARSIZE(arg));
+ VARSIZE(result) = VARSIZE(arg);
+ VARBITLEN(result) = VARBITLEN(arg);
+ r = (bits8 *) VARBITS(result);
+
+ byte_shift = shft / BITSPERBYTE;
+ ishift = shft % BITSPERBYTE;
+ p = ((bits8 *) VARBITS(arg)) + byte_shift;
+
+ if (ishift == 0)
+ {
+ /* Special case: we can do a memcpy */
+ len = VARBITBYTES(arg) - byte_shift;
+ memcpy(r, p, len);
+ memset(r + len, 0, byte_shift);
+ }
+ else
+ {
+ for (; p < VARBITEND(arg); r++)
+ {
+ *r = *p << ishift;
+ if ((++p) < VARBITEND(arg))
+ *r |= *p >> (BITSPERBYTE - ishift);
+ }
+ for (; r < VARBITEND(result); r++)
+ *r = (bits8) 0;
+ }
+
+ return result;
}
/* bitshiftright
* do a right shift (i.e. to the beginning of the string) of the bit string
*/
bits8 *
-bitshiftright (bits8 * arg, int shft)
+bitshiftright(bits8 *arg, int shft)
{
- int byte_shift, ishift, len;
- bits8 *result;
- bits8 *p,
- *r;
-
- if (!PointerIsValid(arg))
- return (bits8 *) 0;
-
- /* Negative shift is a shift to the left */
- if (shft < 0)
- return bitshiftleft(arg, -shft);
-
- result = (bits8 *) palloc(VARSIZE(arg));
- VARSIZE(result) = VARSIZE(arg);
- VARBITLEN(result) = VARBITLEN(arg);
- r = (bits8 *) VARBITS(result);
-
- byte_shift = shft/BITSPERBYTE;
- ishift = shft % BITSPERBYTE;
- p = (bits8 *) VARBITS(arg);
-
- /* Set the first part of the result to 0 */
- memset(r, 0, byte_shift);
-
- if (ishift == 0)
- {
- /* Special case: we can do a memcpy */
- len = VARBITBYTES(arg) - byte_shift;
- memcpy(r+byte_shift, p, len);
- }
- else
- {
- r += byte_shift;
- *r = 0; /* Initialise first byte */
- for ( ; r < VARBITEND(result); p++) {
- *r |= *p >> ishift;
- if ((++r) < VARBITEND(result))
- *r = (*p <<(BITSPERBYTE-ishift)) & BITMASK;
- }
- }
-
- return result;
+ int byte_shift,
+ ishift,
+ len;
+ bits8 *result;
+ bits8 *p,
+ *r;
+
+ if (!PointerIsValid(arg))
+ return (bits8 *) 0;
+
+ /* Negative shift is a shift to the left */
+ if (shft < 0)
+ return bitshiftleft(arg, -shft);
+
+ result = (bits8 *) palloc(VARSIZE(arg));
+ VARSIZE(result) = VARSIZE(arg);
+ VARBITLEN(result) = VARBITLEN(arg);
+ r = (bits8 *) VARBITS(result);
+
+ byte_shift = shft / BITSPERBYTE;
+ ishift = shft % BITSPERBYTE;
+ p = (bits8 *) VARBITS(arg);
+
+ /* Set the first part of the result to 0 */
+ memset(r, 0, byte_shift);
+
+ if (ishift == 0)
+ {
+ /* Special case: we can do a memcpy */
+ len = VARBITBYTES(arg) - byte_shift;
+ memcpy(r + byte_shift, p, len);
+ }
+ else
+ {
+ r += byte_shift;
+ *r = 0; /* Initialise first byte */
+ for (; r < VARBITEND(result); p++)
+ {
+ *r |= *p >> ishift;
+ if ((++r) < VARBITEND(result))
+ *r = (*p << (BITSPERBYTE - ishift)) & BITMASK;
+ }
+ }
+
+ return result;
}
#include <ctype.h>
#include <errno.h>
-#include <float.h> /* faked on sunos4 */
+#include <float.h> /* faked on sunos4 */
#include <math.h>
#ifdef HAVE_LIMITS_H
#include <limits.h>
#ifndef MAXINT
-#define MAXINT INT_MAX
+#define MAXINT INT_MAX
#endif
#else
#ifdef HAVE_VALUES_H
#include "utils/builtins.h"
-#define HEXDIG(z) (z)<10 ? ((z)+'0') : ((z)-10+'A')
+#define HEXDIG(z) (z)<10 ? ((z)+'0') : ((z)-10+'A')
/* Modeled on struct varlena from postgres.h, bu data type is bits8 */
struct varbita
#define VARBITEND(PTR) ((bits8 *) (PTR + VARSIZE(PTR)))
/* Mask that will cover exactly one byte, i.e. BITSPERBYTE bits */
#define BITMASK 0xFF
-#define BITHIGH 0x80
+#define BITHIGH 0x80
-bits8 * zpbitin(char *s, int dummy, int32 atttypmod);
-char * zpbitout(bits8 *s);
-char * zpbitsout(bits8 *s);
-bits8 * varbitin(char *s, int dummy, int32 atttypmod);
-bool biteq (bits8 *arg1, bits8 *arg2);
-bool bitne (bits8 *arg1, bits8 *arg2);
-bool bitge (bits8 *arg1, bits8 *arg2);
-bool bitgt (bits8 *arg1, bits8 *arg2);
-bool bitle (bits8 *arg1, bits8 *arg2);
-bool bitlt (bits8 *arg1, bits8 *arg2);
-int bitcmp (bits8 *arg1, bits8 *arg2);
-bits8 * bitand (bits8 * arg1, bits8 * arg2);
-bits8 * bitor (bits8 * arg1, bits8 * arg2);
-bits8 * bitxor (bits8 * arg1, bits8 * arg2);
-bits8 * bitnot (bits8 * arg);
-bits8 * bitshiftright (bits8 * arg, int shft);
-bits8 * bitshiftleft (bits8 * arg, int shft);
-bits8 * bitcat (bits8 *arg1, bits8 *arg2);
-bits8 * bitsubstr (bits8 *arg, int32 s, int32 l);
+bits8 *zpbitin(char *s, int dummy, int32 atttypmod);
+char *zpbitout(bits8 *s);
+char *zpbitsout(bits8 *s);
+bits8 *varbitin(char *s, int dummy, int32 atttypmod);
+bool biteq(bits8 *arg1, bits8 *arg2);
+bool bitne(bits8 *arg1, bits8 *arg2);
+bool bitge(bits8 *arg1, bits8 *arg2);
+bool bitgt(bits8 *arg1, bits8 *arg2);
+bool bitle(bits8 *arg1, bits8 *arg2);
+bool bitlt(bits8 *arg1, bits8 *arg2);
+int bitcmp(bits8 *arg1, bits8 *arg2);
+bits8 *bitand(bits8 *arg1, bits8 *arg2);
+bits8 *bitor(bits8 *arg1, bits8 *arg2);
+bits8 *bitxor(bits8 *arg1, bits8 *arg2);
+bits8 *bitnot(bits8 *arg);
+bits8 *bitshiftright(bits8 *arg, int shft);
+bits8 *bitshiftleft(bits8 *arg, int shft);
+bits8 *bitcat(bits8 *arg1, bits8 *arg2);
+bits8 *bitsubstr(bits8 *arg, int32 s, int32 l);
#include "varbit.h"
-bits8 * varbit_in (char * s);
-char * varbit_out (bits8 *s);
+bits8 *varbit_in(char *s);
+char *varbit_out(bits8 *s);
bits8 *
-varbit_in (char * s) {
- return varbitin (s, 0, -1);
+varbit_in(char *s)
+{
+ return varbitin(s, 0, -1);
}
-/*char *
+/*char *
varbit_out (bits8 *s) {
return zpbitout(s);
}
*/
-char *
-varbit_out (bits8 *s) {
- return zpbitsout(s);
+char *
+varbit_out(bits8 *s)
+{
+ return zpbitsout(s);
}
#include "varbit.h"
#include <stdio.h>
-void print_details (unsigned char *s);
+void print_details(unsigned char *s);
+
+const int numb = 8;
-const int numb = 8;
/*
const char *b[] = { "B0010", "B11011011", "B0001", "X3F12", "X27", "B",
- "X11", "B100111"};
+ "X11", "B100111"};
int atttypmod[] = {-1, -1, -1,-1,-1,-1,-1,-1 };
*/
-const char *b[] = { "B0010", "B11011011", "B10001", "X3D12", "X27", "B",
- "X11", "B100111"};
-int atttypmod[] = { 7, 9, 6, 18, 11, 6, -1, -1 };
+const char *b[] = {"B0010", "B11011011", "B10001", "X3D12", "X27", "B",
+"X11", "B100111"};
+int atttypmod[] = {7, 9, 6, 18, 11, 6, -1, -1};
-void print_details (unsigned char *s)
+void
+print_details(unsigned char *s)
{
- int i;
- printf ("Length in bytes : %d\n",VARSIZE(s));
- printf ("Length of bitstring: %d\n",VARBITLEN(s));
- for (i=8; i<VARSIZE(s); i++)
- printf ("%X%X ",s[i]>>4,s[i]&0xF);
- printf("\n");
+ int i;
+
+ printf("Length in bytes : %d\n", VARSIZE(s));
+ printf("Length of bitstring: %d\n", VARBITLEN(s));
+ for (i = 8; i < VARSIZE(s); i++)
+ printf("%X%X ", s[i] >> 4, s[i] & 0xF);
+ printf("\n");
}
int
-main ()
+main()
{
- int i, j;
- char *s[numb];
-
- for (i=0; i<numb; i++) {
- printf ("Input: %s\n",b[i]);
- s[i] = zpbitin(b[i], 0, atttypmod[i]);
- //print_details(s[i]);
- printf ("%s = %s\n",zpbitout(s[i]),zpbitsout(s[i]));
- }
-
- printf ("\nCOMPARISONS:\n");
- for (i=0; i<numb; i++)
- for (j=i+1; j<numb; j++)
- printf("%s <=> %s = %d\n",zpbitsout(s[i]),zpbitsout(s[j]),
- bitcmp(s[i],s[j]));
-
- printf ("\nCONCATENATION:\n");
- for (i=0; i<numb; i++)
- for (j=i+1; j<numb; j++)
- printf("%s || %s = %s\n",zpbitsout(s[i]),zpbitsout(s[j]),
- zpbitsout(bitcat(s[i],s[j])));
-
- printf("\nSUBSTR:\n");
- printf("%s (%d,%d) => %s\n",zpbitsout(s[3]),1,8,
- zpbitsout(bitsubstr(s[3],1,8)));
- printf("%s (%d,%d) => %s\n",zpbitsout(s[3]),9,8,
- zpbitsout(bitsubstr(s[3],9,8)));
- printf("%s (%d,%d) => %s\n",zpbitsout(s[3]),1,9,
- zpbitsout(bitsubstr(s[3],1,9)));
- printf("%s (%d,%d) => %s\n",zpbitsout(s[3]),3,5,
- zpbitsout(bitsubstr(s[3],3,5)));
- printf("%s (%d,%d) => %s\n",zpbitsout(s[3]),3,9,
- zpbitsout(bitsubstr(s[3],3,9)));
- printf("%s (%d,%d) => %s\n",zpbitsout(s[3]),3,17,
- zpbitsout(bitsubstr(s[3],3,17)));
- printf ("\nLOGICAL AND:\n");
- for (i=0; i<numb; i++)
- for (j=i+1; j<numb; j++)
- printf("%s & %s = %s\n",zpbitsout(s[i]),zpbitsout(s[j]),
- zpbitsout(bitand(s[i],s[j])));
-
- printf ("\nLOGICAL OR:\n");
- for (i=0; i<numb; i++)
- for (j=i+1; j<numb; j++)
- printf("%s | %s = %s\n",zpbitsout(s[i]),zpbitsout(s[j]),
- zpbitsout(bitor(s[i],s[j])));
-
- printf ("\nLOGICAL XOR:\n");
- for (i=0; i<numb; i++)
- for (j=i+1; j<numb; j++)
- printf("%s ^ %s = %s\n",zpbitsout(s[i]),zpbitsout(s[j]),
- zpbitsout(bitxor(s[i],s[j])));
-
- printf ("\nLOGICAL NOT:\n");
- for (i=0; i<numb; i++)
- printf("~%s = %s\n",zpbitsout(s[i]),zpbitsout(bitnot(s[i])));
-
-
- printf ("\nSHIFT LEFT:\n");
- for (i=0; i<numb; i++) {
- printf("%s\n",zpbitsout(s[i]));
- for (j=0; j<=VARBITLEN(s[i]); j++)
- printf("\t%3d\t%s\n",j,zpbitsout(bitshiftleft(s[i],j)));
- }
-
- printf ("\nSHIFT RIGHT:\n");
- for (i=0; i<numb; i++) {
- printf("%s\n",zpbitsout(s[i]));
- for (j=0; j<=VARBITLEN(s[i]); j++)
- printf("\t%3d\t%s\n",j,zpbitsout(bitshiftright(s[i],j)));
- }
-
- printf ("\n\n ********** VARYING **********\n");
- for (i=0; i<numb; i++) {
- printf ("Input: %s\n",b[i]);
- s[i] = varbitin(b[i], 0, atttypmod[i]);
- /*print_details(s);*/
- printf ("%s\n",zpbitout(s[i]));
- printf ("%s\n",zpbitsout(s[i]));
- }
-
- printf ("\nCOMPARISONS:\n");
- for (i=0; i<numb; i++)
- for (j=i+1; j<numb; j++)
- printf("%s <=> %s = %d\n",zpbitsout(s[i]),zpbitsout(s[j]),
- bitcmp(s[i],s[j]));
-
- printf ("\nCONCATENATION:\n");
- for (i=0; i<numb; i++)
- for (j=i+1; j<numb; j++)
- printf("%s || %s = %s\n",zpbitsout(s[i]),zpbitsout(s[j]),
- zpbitsout(bitcat(s[i],s[j])));
-
- printf("\nSUBSTR:\n");
- printf("%s (%d,%d) => %s\n",zpbitsout(s[3]),1,8,
- zpbitsout(bitsubstr(s[3],1,8)));
- printf("%s (%d,%d) => %s\n",zpbitsout(s[3]),9,8,
- zpbitsout(bitsubstr(s[3],9,8)));
- printf("%s (%d,%d) => %s\n",zpbitsout(s[3]),1,9,
- zpbitsout(bitsubstr(s[3],1,9)));
- printf("%s (%d,%d) => %s\n",zpbitsout(s[3]),3,5,
- zpbitsout(bitsubstr(s[3],3,5)));
- printf("%s (%d,%d) => %s\n",zpbitsout(s[3]),3,9,
- zpbitsout(bitsubstr(s[3],3,9)));
- printf("%s (%d,%d) => %s (%s)\n",zpbitsout(s[3]),3,17,
- zpbitsout(bitsubstr(s[3],3,17)),zpbitsout(bitsubstr(s[3],3,17)));
- printf ("\nLOGICAL AND:\n");
- for (i=0; i<numb; i++)
- for (j=i+1; j<numb; j++)
- printf("%s & %s = %s\n",zpbitsout(s[i]),zpbitsout(s[j]),
- zpbitsout(bitand(s[i],s[j])));
-
- printf ("\nLOGICAL OR:\n");
- for (i=0; i<numb; i++)
- for (j=i+1; j<numb; j++)
- printf("%s | %s = %s\n",zpbitsout(s[i]),zpbitsout(s[j]),
- zpbitsout(bitor(s[i],s[j])));
-
- printf ("\nLOGICAL XOR:\n");
- for (i=0; i<numb; i++)
- for (j=i+1; j<numb; j++)
- printf("%s ^ %s = %s\n",zpbitsout(s[i]),zpbitsout(s[j]),
- zpbitsout(bitxor(s[i],s[j])));
-
- printf ("\nLOGICAL NOT:\n");
- for (i=0; i<numb; i++)
- printf("~%s = %s\n",zpbitsout(s[i]),zpbitsout(bitnot(s[i])));
-
-
- printf ("\nSHIFT LEFT:\n");
- for (i=0; i<numb; i++) {
- printf("%s\n",zpbitsout(s[i]));
- for (j=0; j<=VARBITLEN(s[i]); j++)
- printf("\t%3d\t%s\n",j,zpbitsout(bitshiftleft(s[i],j)));
- }
-
- printf ("\nSHIFT RIGHT:\n");
- for (i=0; i<numb; i++) {
- printf("%s\n",zpbitsout(s[i]));
- for (j=0; j<=VARBITLEN(s[i]); j++)
- printf("\t%3d\t%s\n",j,zpbitsout(bitshiftright(s[i],j)));
- }
+ int i,
+ j;
+ char *s[numb];
+
+ for (i = 0; i < numb; i++)
+ {
+ printf("Input: %s\n", b[i]);
+ s[i] = zpbitin(b[i], 0, atttypmod[i]);
+ //print_details(s[i]);
+ printf("%s = %s\n", zpbitout(s[i]), zpbitsout(s[i]));
+ }
+
+ printf("\nCOMPARISONS:\n");
+ for (i = 0; i < numb; i++)
+ for (j = i + 1; j < numb; j++)
+ printf("%s <=> %s = %d\n", zpbitsout(s[i]), zpbitsout(s[j]),
+ bitcmp(s[i], s[j]));
+
+ printf("\nCONCATENATION:\n");
+ for (i = 0; i < numb; i++)
+ for (j = i + 1; j < numb; j++)
+ printf("%s || %s = %s\n", zpbitsout(s[i]), zpbitsout(s[j]),
+ zpbitsout(bitcat(s[i], s[j])));
+
+ printf("\nSUBSTR:\n");
+ printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 1, 8,
+ zpbitsout(bitsubstr(s[3], 1, 8)));
+ printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 9, 8,
+ zpbitsout(bitsubstr(s[3], 9, 8)));
+ printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 1, 9,
+ zpbitsout(bitsubstr(s[3], 1, 9)));
+ printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 3, 5,
+ zpbitsout(bitsubstr(s[3], 3, 5)));
+ printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 3, 9,
+ zpbitsout(bitsubstr(s[3], 3, 9)));
+ printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 3, 17,
+ zpbitsout(bitsubstr(s[3], 3, 17)));
+ printf("\nLOGICAL AND:\n");
+ for (i = 0; i < numb; i++)
+ for (j = i + 1; j < numb; j++)
+ printf("%s & %s = %s\n", zpbitsout(s[i]), zpbitsout(s[j]),
+ zpbitsout(bitand(s[i], s[j])));
+
+ printf("\nLOGICAL OR:\n");
+ for (i = 0; i < numb; i++)
+ for (j = i + 1; j < numb; j++)
+ printf("%s | %s = %s\n", zpbitsout(s[i]), zpbitsout(s[j]),
+ zpbitsout(bitor(s[i], s[j])));
+
+ printf("\nLOGICAL XOR:\n");
+ for (i = 0; i < numb; i++)
+ for (j = i + 1; j < numb; j++)
+ printf("%s ^ %s = %s\n", zpbitsout(s[i]), zpbitsout(s[j]),
+ zpbitsout(bitxor(s[i], s[j])));
+
+ printf("\nLOGICAL NOT:\n");
+ for (i = 0; i < numb; i++)
+ printf("~%s = %s\n", zpbitsout(s[i]), zpbitsout(bitnot(s[i])));
+
+
+ printf("\nSHIFT LEFT:\n");
+ for (i = 0; i < numb; i++)
+ {
+ printf("%s\n", zpbitsout(s[i]));
+ for (j = 0; j <= VARBITLEN(s[i]); j++)
+ printf("\t%3d\t%s\n", j, zpbitsout(bitshiftleft(s[i], j)));
+ }
+
+ printf("\nSHIFT RIGHT:\n");
+ for (i = 0; i < numb; i++)
+ {
+ printf("%s\n", zpbitsout(s[i]));
+ for (j = 0; j <= VARBITLEN(s[i]); j++)
+ printf("\t%3d\t%s\n", j, zpbitsout(bitshiftright(s[i], j)));
+ }
+
+ printf("\n\n ********** VARYING **********\n");
+ for (i = 0; i < numb; i++)
+ {
+ printf("Input: %s\n", b[i]);
+ s[i] = varbitin(b[i], 0, atttypmod[i]);
+ /* print_details(s); */
+ printf("%s\n", zpbitout(s[i]));
+ printf("%s\n", zpbitsout(s[i]));
+ }
+
+ printf("\nCOMPARISONS:\n");
+ for (i = 0; i < numb; i++)
+ for (j = i + 1; j < numb; j++)
+ printf("%s <=> %s = %d\n", zpbitsout(s[i]), zpbitsout(s[j]),
+ bitcmp(s[i], s[j]));
+
+ printf("\nCONCATENATION:\n");
+ for (i = 0; i < numb; i++)
+ for (j = i + 1; j < numb; j++)
+ printf("%s || %s = %s\n", zpbitsout(s[i]), zpbitsout(s[j]),
+ zpbitsout(bitcat(s[i], s[j])));
+
+ printf("\nSUBSTR:\n");
+ printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 1, 8,
+ zpbitsout(bitsubstr(s[3], 1, 8)));
+ printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 9, 8,
+ zpbitsout(bitsubstr(s[3], 9, 8)));
+ printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 1, 9,
+ zpbitsout(bitsubstr(s[3], 1, 9)));
+ printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 3, 5,
+ zpbitsout(bitsubstr(s[3], 3, 5)));
+ printf("%s (%d,%d) => %s\n", zpbitsout(s[3]), 3, 9,
+ zpbitsout(bitsubstr(s[3], 3, 9)));
+ printf("%s (%d,%d) => %s (%s)\n", zpbitsout(s[3]), 3, 17,
+ zpbitsout(bitsubstr(s[3], 3, 17)), zpbitsout(bitsubstr(s[3], 3, 17)));
+ printf("\nLOGICAL AND:\n");
+ for (i = 0; i < numb; i++)
+ for (j = i + 1; j < numb; j++)
+ printf("%s & %s = %s\n", zpbitsout(s[i]), zpbitsout(s[j]),
+ zpbitsout(bitand(s[i], s[j])));
+
+ printf("\nLOGICAL OR:\n");
+ for (i = 0; i < numb; i++)
+ for (j = i + 1; j < numb; j++)
+ printf("%s | %s = %s\n", zpbitsout(s[i]), zpbitsout(s[j]),
+ zpbitsout(bitor(s[i], s[j])));
+
+ printf("\nLOGICAL XOR:\n");
+ for (i = 0; i < numb; i++)
+ for (j = i + 1; j < numb; j++)
+ printf("%s ^ %s = %s\n", zpbitsout(s[i]), zpbitsout(s[j]),
+ zpbitsout(bitxor(s[i], s[j])));
+
+ printf("\nLOGICAL NOT:\n");
+ for (i = 0; i < numb; i++)
+ printf("~%s = %s\n", zpbitsout(s[i]), zpbitsout(bitnot(s[i])));
+
+
+ printf("\nSHIFT LEFT:\n");
+ for (i = 0; i < numb; i++)
+ {
+ printf("%s\n", zpbitsout(s[i]));
+ for (j = 0; j <= VARBITLEN(s[i]); j++)
+ printf("\t%3d\t%s\n", j, zpbitsout(bitshiftleft(s[i], j)));
+ }
+
+ printf("\nSHIFT RIGHT:\n");
+ for (i = 0; i < numb; i++)
+ {
+ printf("%s\n", zpbitsout(s[i]));
+ for (j = 0; j <= VARBITLEN(s[i]); j++)
+ printf("\t%3d\t%s\n", j, zpbitsout(bitshiftright(s[i], j)));
+ }
}
* Decode time string 00:00:00 through 24:00:00.
*/
static int
-decode_24h_time(char *str, struct tm *tm, double *fsec)
+decode_24h_time(char *str, struct tm * tm, double *fsec)
{
char *cp;
*fsec = 0;
}
else if (*cp != ':')
- {
return -1;
- }
else
{
str = cp + 1;
}
/* do a sanity check */
- if ( (tm->tm_hour < 0) || (tm->tm_hour > 24)
- || (tm->tm_min < 0) || (tm->tm_min > 59)
- || (tm->tm_sec < 0) || (tm->tm_sec > 59)
- || (*fsec < 0) )
+ if ((tm->tm_hour < 0) || (tm->tm_hour > 24)
+ || (tm->tm_min < 0) || (tm->tm_min > 59)
+ || (tm->tm_sec < 0) || (tm->tm_sec > 59)
+ || (*fsec < 0))
return -1;
return 0;
int4
date2mjd(DateADT val)
{
- int result;
+ int result;
result = val + JDATE_2000 - 2400000.5;
/*
* Local Variables:
- * tab-width: 4
- * c-indent-level: 4
- * c-basic-offset: 4
+ * tab-width: 4
+ * c-indent-level: 4
+ * c-basic-offset: 4
* End:
*/
/*
* Local Variables:
- * tab-width: 4
- * c-indent-level: 4
- * c-basic-offset: 4
+ * tab-width: 4
+ * c-indent-level: 4
+ * c-basic-offset: 4
* End:
*/
#ifdef ASSERT_CHECKING_TEST
extern int assertEnable(int val);
+
#endif
int
ScanKeyData key;
Datum d;
bool isnull;
- int len, pid;
+ int len,
+ pid;
int count = 0;
int ourpid = getpid();
char listen_name[NAMEDATALEN];
lRel = heap_openr(ListenerRelationName, AccessShareLock);
tdesc = RelationGetDescr(lRel);
- if (relname && (VARSIZE(relname) > VARHDRSZ)) {
- len = MIN(VARSIZE(relname)-VARHDRSZ, NAMEDATALEN-1);
+ if (relname && (VARSIZE(relname) > VARHDRSZ))
+ {
+ len = MIN(VARSIZE(relname) - VARHDRSZ, NAMEDATALEN - 1);
strncpy(listen_name, VARDATA(relname), len);
listen_name[len] = '\0';
ScanKeyEntryInitialize(&key, 0,
F_NAMEEQ,
PointerGetDatum(listen_name));
sRel = heap_beginscan(lRel, 0, SnapshotNow, 1, &key);
- } else {
- sRel = heap_beginscan(lRel, 0, SnapshotNow, 0, (ScanKey)NULL);
}
+ else
+ sRel = heap_beginscan(lRel, 0, SnapshotNow, 0, (ScanKey) NULL);
while (HeapTupleIsValid(lTuple = heap_getnext(sRel, 0)))
{
d = heap_getattr(lTuple, Anum_pg_listener_pid, tdesc, &isnull);
pid = DatumGetInt32(d);
- if ((pid == ourpid) || (kill(pid, SIGTSTP) == 0)) {
+ if ((pid == ourpid) || (kill(pid, SIGTSTP) == 0))
+ {
/* elog(NOTICE, "%d ok", pid); */
count++;
}
{
return assertTest(val);
}
+
#endif
#endif
/*
* Local Variables:
- * tab-width: 4
- * c-indent-level: 4
- * c-basic-offset: 4
+ * tab-width: 4
+ * c-indent-level: 4
+ * c-basic-offset: 4
* End:
*/
#ifdef USE_ASSERT_CHECKING
int assert_enable(int val);
+
#ifdef ASSERT_CHECKING_TEST
int assert_test(int val);
+
#endif
#endif
/*
* Local Variables:
- * tab-width: 4
- * c-indent-level: 4
- * c-basic-offset: 4
+ * tab-width: 4
+ * c-indent-level: 4
+ * c-basic-offset: 4
* End:
*/
* DEF_PGPORT is the TCP port number on which the Postmaster listens by
* default. This can be overriden by command options, environment variables,
* and the postconfig hook. (set by build script)
- */\r
+ */\r
\r
#define DEF_PGPORT "5432"\r
\r
/*
- * $Header: /cvsroot/pgsql/contrib/pgbench/pgbench.c,v 1.2 2000/04/08 18:32:24 tgl Exp $
+ * $Header: /cvsroot/pgsql/contrib/pgbench/pgbench.c,v 1.3 2000/04/12 17:14:27 momjian Exp $
*
* pgbench: a simple TPC-B like benchmark program for PostgreSQL
* written by Tatsuo Ishii
/********************************************************************
* some configurable parameters */
-#define MAXCLIENTS 1024 /* max number of clients allowed */
+#define MAXCLIENTS 1024 /* max number of clients allowed */
-int nclients = 1; /* default number of simulated clients */
-int nxacts = 10; /* default number of transactions per clients */
+int nclients = 1; /* default number of simulated clients */
+int nxacts = 10; /* default number of transactions per
+ * clients */
/*
* scaling factor. for example, tps = 10 will make 1000000 tuples of
* accounts table.
*/
-int tps = 1;
+int tps = 1;
/*
* end of configurable parameters
#define nbranches 1
#define ntellers 10
-#define naccounts 100000
-
-int remains; /* number of remained clients */
-
-typedef struct {
- PGconn *con; /* connection handle to DB */
- int state; /* state No. */
- int cnt; /* xacts count */
- int ecnt; /* error count */
- int listen; /* none 0 indicates that an async query has been sent */
- int aid; /* account id for this transaction */
- int bid; /* branch id for this transaction */
- int tid; /* teller id for this transaction */
- int delta;
- int abalance;
-} CState;
-
-static void usage() {
- fprintf(stderr,"usage: pgbench [-h hostname][-p port][-c nclients][-t ntransactions][-s scaling_factor][-n][-v][-S][-d][dbname]\n");
- fprintf(stderr,"(initialize mode): pgbench -i [-h hostname][-p port][-s scaling_factor][-d][dbname]\n");
+#define naccounts 100000
+
+int remains; /* number of remained clients */
+
+typedef struct
+{
+ PGconn *con; /* connection handle to DB */
+ int state; /* state No. */
+ int cnt; /* xacts count */
+ int ecnt; /* error count */
+ int listen; /* none 0 indicates that an async query
+ * has been sent */
+ int aid; /* account id for this transaction */
+ int bid; /* branch id for this transaction */
+ int tid; /* teller id for this transaction */
+ int delta;
+ int abalance;
+} CState;
+
+static void
+usage()
+{
+ fprintf(stderr, "usage: pgbench [-h hostname][-p port][-c nclients][-t ntransactions][-s scaling_factor][-n][-v][-S][-d][dbname]\n");
+ fprintf(stderr, "(initialize mode): pgbench -i [-h hostname][-p port][-s scaling_factor][-d][dbname]\n");
}
/* random number generator */
-static int getrand(int min, int max) {
- return(min+(int)(max*1.0*rand()/(RAND_MAX+1.0)));
+static int
+getrand(int min, int max)
+{
+ return (min + (int) (max * 1.0 * rand() / (RAND_MAX + 1.0)));
}
/* throw away response from backend */
-static void discard_response(CState *state) {
- PGresult *res;
- do {
- res = PQgetResult(state->con);
- if (res)
- PQclear(res);
- } while(res);
+static void
+discard_response(CState * state)
+{
+ PGresult *res;
+
+ do
+ {
+ res = PQgetResult(state->con);
+ if (res)
+ PQclear(res);
+ } while (res);
}
-static int check(CState *state, PGresult *res, int n, int good)
+static int
+check(CState * state, PGresult *res, int n, int good)
{
- CState *st = &state[n];
-
- if (res && PQresultStatus(res) != good) {
- fprintf(stderr,"Client %d aborted in state %d: %s",n,st->state,PQerrorMessage(st->con));
- remains--; /* I've aborted */
- PQfinish(st->con);
- st->con = NULL;
- return(-1);
- }
- return(0);
+ CState *st = &state[n];
+
+ if (res && PQresultStatus(res) != good)
+ {
+ fprintf(stderr, "Client %d aborted in state %d: %s", n, st->state, PQerrorMessage(st->con));
+ remains--; /* I've aborted */
+ PQfinish(st->con);
+ st->con = NULL;
+ return (-1);
+ }
+ return (0);
}
/* process a transaction */
-static void doOne(CState *state, int n, int debug) {
- char sql[256];
- PGresult *res;
- CState *st = &state[n];
-
- if (st->listen) { /* are we receiver? */
- if (debug) {
- fprintf(stderr,"client %d receiving\n",n);
- }
- while (PQisBusy(st->con) == TRUE) {
- if (!PQconsumeInput(st->con)) { /* there's something wrong */
- fprintf(stderr, "Client %d aborted in state %d. Probably the backend died while processing.\n",n, st->state);
- remains--; /* I've aborted */
- PQfinish(st->con);
- st->con = NULL;
- return;
- }
- }
-
- switch (st->state) {
- case 0: /* response to "begin" */
- res = PQgetResult(st->con);
- if (check(state, res, n, PGRES_COMMAND_OK)) {
- return;
- }
- PQclear(res);
- discard_response(st);
- break;
- case 1: /* response to "update accounts..." */
- res = PQgetResult(st->con);
- if (check(state, res, n, PGRES_COMMAND_OK)) {
- return;
- }
- PQclear(res);
- discard_response(st);
- break;
- case 2: /* response to "select abalance ..." */
- res = PQgetResult(st->con);
- if (check(state, res, n, PGRES_TUPLES_OK)) {
- return;
- }
- PQclear(res);
- discard_response(st);
- break;
- case 3: /* response to "update tellers ..." */
- res = PQgetResult(st->con);
- if (check(state, res, n, PGRES_COMMAND_OK)) {
- return;
- }
- PQclear(res);
- discard_response(st);
- break;
- case 4: /* response to "update branches ..." */
- res = PQgetResult(st->con);
- if (check(state, res, n, PGRES_COMMAND_OK)) {
- return;
- }
- PQclear(res);
- discard_response(st);
- break;
- case 5: /* response to "insert into history ..." */
- res = PQgetResult(st->con);
- if (check(state, res, n, PGRES_COMMAND_OK)) {
- return;
- }
- PQclear(res);
- discard_response(st);
- break;
- case 6: /* response to "end" */
- res = PQgetResult(st->con);
- if (check(state, res, n, PGRES_COMMAND_OK)) {
- return;
- }
- PQclear(res);
- discard_response(st);
-
- if (++st->cnt >= nxacts) {
- remains--; /* I've done */
- PQfinish(st->con);
- st->con = NULL;
- return;
- }
- break;
- }
-
- /* increment state counter */
- st->state++;
- if (st->state > 6) {
- st->state = 0;
- }
- }
-
- switch (st->state) {
- case 0: /* about to start */
- strcpy(sql,"begin");
- st->aid = getrand(1,naccounts*tps);
- st->bid = getrand(1,nbranches*tps);
- st->tid = getrand(1,ntellers*tps);
- st->delta = getrand(1,1000);
- break;
- case 1:
- sprintf(sql,"update accounts set abalance = abalance + %d where aid = %d\n",st->delta,st->aid);
- break;
- case 2:
- sprintf(sql,"select abalance from accounts where aid = %d",st->aid);
- break;
- case 3:
- sprintf(sql,"update tellers set tbalance = tbalance + %d where tid = %d\n",
- st->delta,st->tid);
- break;
- case 4:
- sprintf(sql,"update branches set bbalance = bbalance + %d where bid = %d",st->delta,st->bid);
- break;
- case 5:
- sprintf(sql,"insert into history(tid,bid,aid,delta,time) values(%d,%d,%d,%d,'now')",
- st->tid,st->bid,st->aid,st->delta);
- break;
- case 6:
- strcpy(sql,"end");
- break;
- }
-
- if (debug) {
- fprintf(stderr,"client %d sending %s\n",n,sql);
- }
- if (PQsendQuery(st->con, sql) == 0) {
- if (debug) {
- fprintf(stderr, "PQsendQuery(%s)failed\n",sql);
- }
- st->ecnt++;
- } else {
- st->listen++; /* flags that should be listned */
- }
+static void
+doOne(CState * state, int n, int debug)
+{
+ char sql[256];
+ PGresult *res;
+ CState *st = &state[n];
+
+ if (st->listen)
+ { /* are we receiver? */
+ if (debug)
+ fprintf(stderr, "client %d receiving\n", n);
+ while (PQisBusy(st->con) == TRUE)
+ {
+ if (!PQconsumeInput(st->con))
+ { /* there's something wrong */
+ fprintf(stderr, "Client %d aborted in state %d. Probably the backend died while processing.\n", n, st->state);
+ remains--; /* I've aborted */
+ PQfinish(st->con);
+ st->con = NULL;
+ return;
+ }
+ }
+
+ switch (st->state)
+ {
+ case 0: /* response to "begin" */
+ res = PQgetResult(st->con);
+ if (check(state, res, n, PGRES_COMMAND_OK))
+ return;
+ PQclear(res);
+ discard_response(st);
+ break;
+ case 1: /* response to "update accounts..." */
+ res = PQgetResult(st->con);
+ if (check(state, res, n, PGRES_COMMAND_OK))
+ return;
+ PQclear(res);
+ discard_response(st);
+ break;
+ case 2: /* response to "select abalance ..." */
+ res = PQgetResult(st->con);
+ if (check(state, res, n, PGRES_TUPLES_OK))
+ return;
+ PQclear(res);
+ discard_response(st);
+ break;
+ case 3: /* response to "update tellers ..." */
+ res = PQgetResult(st->con);
+ if (check(state, res, n, PGRES_COMMAND_OK))
+ return;
+ PQclear(res);
+ discard_response(st);
+ break;
+ case 4: /* response to "update branches ..." */
+ res = PQgetResult(st->con);
+ if (check(state, res, n, PGRES_COMMAND_OK))
+ return;
+ PQclear(res);
+ discard_response(st);
+ break;
+ case 5: /* response to "insert into history ..." */
+ res = PQgetResult(st->con);
+ if (check(state, res, n, PGRES_COMMAND_OK))
+ return;
+ PQclear(res);
+ discard_response(st);
+ break;
+ case 6: /* response to "end" */
+ res = PQgetResult(st->con);
+ if (check(state, res, n, PGRES_COMMAND_OK))
+ return;
+ PQclear(res);
+ discard_response(st);
+
+ if (++st->cnt >= nxacts)
+ {
+ remains--; /* I've done */
+ PQfinish(st->con);
+ st->con = NULL;
+ return;
+ }
+ break;
+ }
+
+ /* increment state counter */
+ st->state++;
+ if (st->state > 6)
+ st->state = 0;
+ }
+
+ switch (st->state)
+ {
+ case 0: /* about to start */
+ strcpy(sql, "begin");
+ st->aid = getrand(1, naccounts * tps);
+ st->bid = getrand(1, nbranches * tps);
+ st->tid = getrand(1, ntellers * tps);
+ st->delta = getrand(1, 1000);
+ break;
+ case 1:
+ sprintf(sql, "update accounts set abalance = abalance + %d where aid = %d\n", st->delta, st->aid);
+ break;
+ case 2:
+ sprintf(sql, "select abalance from accounts where aid = %d", st->aid);
+ break;
+ case 3:
+ sprintf(sql, "update tellers set tbalance = tbalance + %d where tid = %d\n",
+ st->delta, st->tid);
+ break;
+ case 4:
+ sprintf(sql, "update branches set bbalance = bbalance + %d where bid = %d", st->delta, st->bid);
+ break;
+ case 5:
+ sprintf(sql, "insert into history(tid,bid,aid,delta,time) values(%d,%d,%d,%d,'now')",
+ st->tid, st->bid, st->aid, st->delta);
+ break;
+ case 6:
+ strcpy(sql, "end");
+ break;
+ }
+
+ if (debug)
+ fprintf(stderr, "client %d sending %s\n", n, sql);
+ if (PQsendQuery(st->con, sql) == 0)
+ {
+ if (debug)
+ fprintf(stderr, "PQsendQuery(%s)failed\n", sql);
+ st->ecnt++;
+ }
+ else
+ {
+ st->listen++; /* flags that should be listned */
+ }
}
/* process a select only transaction */
-static void doSelectOnly(CState *state, int n, int debug) {
- char sql[256];
- PGresult *res;
- CState *st = &state[n];
-
- if (st->listen) { /* are we receiver? */
- if (debug) {
- fprintf(stderr,"client %d receiving\n",n);
- }
- while (PQisBusy(st->con) == TRUE) {
- if (!PQconsumeInput(st->con)) { /* there's something wrong */
- fprintf(stderr, "Client %d aborted in state %d. Probably the backend died while processing.\n",n, st->state);
- remains--; /* I've aborted */
- PQfinish(st->con);
- st->con = NULL;
- return;
- }
- }
-
- switch (st->state) {
- case 0: /* response to "select abalance ..." */
- res = PQgetResult(st->con);
- if (check(state, res, n, PGRES_TUPLES_OK)) {
- return;
- }
- PQclear(res);
- discard_response(st);
-
- if (++st->cnt >= nxacts) {
- remains--; /* I've done */
- PQfinish(st->con);
- st->con = NULL;
- return;
- }
- break;
- }
-
- /* increment state counter */
- st->state++;
- if (st->state > 0) {
- st->state = 0;
- }
- }
-
- switch (st->state) {
- case 0:
- st->aid = getrand(1,naccounts*tps);
- sprintf(sql,"select abalance from accounts where aid = %d",st->aid);
- break;
- }
-
- if (debug) {
- fprintf(stderr,"client %d sending %s\n",n,sql);
- }
-
- if (PQsendQuery(st->con, sql) == 0) {
- if (debug) {
- fprintf(stderr, "PQsendQuery(%s)failed\n",sql);
- }
- st->ecnt++;
- } else {
- st->listen++; /* flags that should be listned */
- }
+static void
+doSelectOnly(CState * state, int n, int debug)
+{
+ char sql[256];
+ PGresult *res;
+ CState *st = &state[n];
+
+ if (st->listen)
+ { /* are we receiver? */
+ if (debug)
+ fprintf(stderr, "client %d receiving\n", n);
+ while (PQisBusy(st->con) == TRUE)
+ {
+ if (!PQconsumeInput(st->con))
+ { /* there's something wrong */
+ fprintf(stderr, "Client %d aborted in state %d. Probably the backend died while processing.\n", n, st->state);
+ remains--; /* I've aborted */
+ PQfinish(st->con);
+ st->con = NULL;
+ return;
+ }
+ }
+
+ switch (st->state)
+ {
+ case 0: /* response to "select abalance ..." */
+ res = PQgetResult(st->con);
+ if (check(state, res, n, PGRES_TUPLES_OK))
+ return;
+ PQclear(res);
+ discard_response(st);
+
+ if (++st->cnt >= nxacts)
+ {
+ remains--; /* I've done */
+ PQfinish(st->con);
+ st->con = NULL;
+ return;
+ }
+ break;
+ }
+
+ /* increment state counter */
+ st->state++;
+ if (st->state > 0)
+ st->state = 0;
+ }
+
+ switch (st->state)
+ {
+ case 0:
+ st->aid = getrand(1, naccounts * tps);
+ sprintf(sql, "select abalance from accounts where aid = %d", st->aid);
+ break;
+ }
+
+ if (debug)
+ fprintf(stderr, "client %d sending %s\n", n, sql);
+
+ if (PQsendQuery(st->con, sql) == 0)
+ {
+ if (debug)
+ fprintf(stderr, "PQsendQuery(%s)failed\n", sql);
+ st->ecnt++;
+ }
+ else
+ {
+ st->listen++; /* flags that should be listned */
+ }
}
/* discard connections */
-static void disconnect_all(CState *state) {
- int i;
- for (i=0;i<nclients;i++) {
- if (state[i].con) {
- PQfinish(state[i].con);
- }
- }
+static void
+disconnect_all(CState * state)
+{
+ int i;
+
+ for (i = 0; i < nclients; i++)
+ {
+ if (state[i].con)
+ PQfinish(state[i].con);
+ }
}
/* create tables and setup data */
-static void init(char *pghost, char *pgport,char *dbName) {
- PGconn *con;
- PGresult *res;
- static char *DDLs[] = {
- "drop table branches",
- "create table branches(bid int, primary key(bid),bbalance int,filler char(88))",
- "drop table tellers",
- "create table tellers(tid int, primary key(tid),bid int,tbalance int,filler char(84))",
- "drop table accounts",
- "create table accounts(aid int,primary key(aid),bid int,abalance int,filler char(84))",
- "drop table history",
- "create table history(tid int,bid int,aid int,delta int,time timestamp,filler char(22))"};
- char sql[256];
-
- int i;
-
- con = PQsetdb(pghost, pgport, NULL, NULL, dbName);
- if (PQstatus(con) == CONNECTION_BAD) {
- fprintf(stderr, "Connection to database '%s' on %s failed.\n", dbName,pghost);
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
-
- for (i=0;i<(sizeof(DDLs)/sizeof(char *));i++) {
- res = PQexec(con,DDLs[i]);
- if (strncmp(DDLs[i],"drop",4) && PQresultStatus(res) != PGRES_COMMAND_OK) {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
- }
-
- res = PQexec(con,"begin");
- if (PQresultStatus(res) != PGRES_COMMAND_OK) {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
-
- for(i = 0; i < nbranches * tps; i++) {
- sprintf(sql,"insert into branches(bid,bbalance) values(%d,0)",i+1);
- res = PQexec(con,sql);
- if (PQresultStatus(res) != PGRES_COMMAND_OK) {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
- }
-
- for(i = 0; i < ntellers * tps; i++) {
- sprintf(sql,"insert into tellers(tid,bid,tbalance) values (%d,%d,0)"
- ,i+1,i/ntellers+1);
- res = PQexec(con,sql);
- if (PQresultStatus(res) != PGRES_COMMAND_OK) {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
- }
-
- res = PQexec(con,"copy accounts from stdin");
- if (PQresultStatus(res) != PGRES_COPY_IN) {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
-
- fprintf(stderr,"creating tables...\n");
- for(i = 0; i < naccounts*tps; i++) {
- int j = i + 1;
- sprintf(sql,"%d\t%d\t%d\t\n",i+1,(i+1)/naccounts,0);
- if (PQputline(con,sql)) {
- fprintf(stderr,"PQputline failed\n");
- exit(1);
- }
- if (j % 10000 == 0) {
- fprintf(stderr,"%d tuples done.\n",j);
- }
- }
- if (PQputline(con,"\\.\n")) {
- fprintf(stderr,"very last PQputline failed\n");
- exit(1);
- }
-
- if (PQendcopy(con)) {
- fprintf(stderr,"PQendcopy failed\n");
- exit(1);
- }
-
- res = PQexec(con,"end");
- if (PQresultStatus(res) != PGRES_COMMAND_OK) {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
-
- /* vacuum */
- fprintf(stderr,"vacuum...");
- res = PQexec(con,"vacuum analyze");
- if (PQresultStatus(res) != PGRES_COMMAND_OK) {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- fprintf(stderr,"done.\n");
-
- PQfinish(con);
-}
+static void
+init(char *pghost, char *pgport, char *dbName)
+{
+ PGconn *con;
+ PGresult *res;
+ static char *DDLs[] = {
+ "drop table branches",
+ "create table branches(bid int, primary key(bid),bbalance int,filler char(88))",
+ "drop table tellers",
+ "create table tellers(tid int, primary key(tid),bid int,tbalance int,filler char(84))",
+ "drop table accounts",
+ "create table accounts(aid int,primary key(aid),bid int,abalance int,filler char(84))",
+ "drop table history",
+ "create table history(tid int,bid int,aid int,delta int,time timestamp,filler char(22))"};
+ char sql[256];
+
+ int i;
+
+ con = PQsetdb(pghost, pgport, NULL, NULL, dbName);
+ if (PQstatus(con) == CONNECTION_BAD)
+ {
+ fprintf(stderr, "Connection to database '%s' on %s failed.\n", dbName, pghost);
+ fprintf(stderr, "%s", PQerrorMessage(con));
+ exit(1);
+ }
-/* print out results */
-static void printResults(
- int ttype, CState *state,
- struct timeval *tv1,struct timeval *tv2,
- struct timeval *tv3) {
- double t1,t2;
- int i;
- int normal_xacts = 0;
-
- for (i=0;i<nclients;i++) {
- normal_xacts += state[i].cnt;
- }
-
- t1 = (tv3->tv_sec - tv1->tv_sec)*1000000.0+(tv3->tv_usec - tv1->tv_usec);
- t1 = normal_xacts*1000000.0/t1;
-
- t2 = (tv3->tv_sec - tv2->tv_sec)*1000000.0+(tv3->tv_usec - tv2->tv_usec);
- t2 = normal_xacts*1000000.0/t2;
-
- printf("transaction type: %s\n",ttype==0?"TPC-B (sort of)":"SELECT only");
- printf("scaling factor: %d\n",tps);
- printf("number of clients: %d\n",nclients);
- printf("number of transactions per client: %d\n",nxacts);
- printf("number of transactions actually processed: %d/%d\n",normal_xacts,nxacts*nclients);
- printf("tps = %f(including connections establishing)\n",t1);
- printf("tps = %f(excluding connections establishing)\n",t2);
-}
+ for (i = 0; i < (sizeof(DDLs) / sizeof(char *)); i++)
+ {
+ res = PQexec(con, DDLs[i]);
+ if (strncmp(DDLs[i], "drop", 4) && PQresultStatus(res) != PGRES_COMMAND_OK)
+ {
+ fprintf(stderr, "%s", PQerrorMessage(con));
+ exit(1);
+ }
+ PQclear(res);
+ }
-int main(int argc, char **argv) {
- extern char *optarg;
- extern int optind, opterr, optopt;
- int c;
- char *pghost = "";
- char *pgport = "";
- char *dbName;
- int is_init_mode = 0; /* initialize mode? */
- int is_no_vacuum = 0; /* no vacuum at all before testing? */
- int is_full_vacuum = 0; /* do full vacuum before testing? */
- int debug = 0; /* debug flag */
- int ttype = 0; /* transaction type. 0: TPC-B, 1: SELECT only */
+ res = PQexec(con, "begin");
+ if (PQresultStatus(res) != PGRES_COMMAND_OK)
+ {
+ fprintf(stderr, "%s", PQerrorMessage(con));
+ exit(1);
+ }
- static CState state[MAXCLIENTS]; /* clients status */
+ for (i = 0; i < nbranches * tps; i++)
+ {
+ sprintf(sql, "insert into branches(bid,bbalance) values(%d,0)", i + 1);
+ res = PQexec(con, sql);
+ if (PQresultStatus(res) != PGRES_COMMAND_OK)
+ {
+ fprintf(stderr, "%s", PQerrorMessage(con));
+ exit(1);
+ }
+ PQclear(res);
+ }
- struct timeval tv1; /* start up time */
- struct timeval tv2; /* after establishing all connections to the backend */
- struct timeval tv3; /* end time */
+ for (i = 0; i < ntellers * tps; i++)
+ {
+ sprintf(sql, "insert into tellers(tid,bid,tbalance) values (%d,%d,0)"
+ ,i + 1, i / ntellers + 1);
+ res = PQexec(con, sql);
+ if (PQresultStatus(res) != PGRES_COMMAND_OK)
+ {
+ fprintf(stderr, "%s", PQerrorMessage(con));
+ exit(1);
+ }
+ PQclear(res);
+ }
- int i;
+ res = PQexec(con, "copy accounts from stdin");
+ if (PQresultStatus(res) != PGRES_COPY_IN)
+ {
+ fprintf(stderr, "%s", PQerrorMessage(con));
+ exit(1);
+ }
+ PQclear(res);
+
+ fprintf(stderr, "creating tables...\n");
+ for (i = 0; i < naccounts * tps; i++)
+ {
+ int j = i + 1;
+
+ sprintf(sql, "%d\t%d\t%d\t\n", i + 1, (i + 1) / naccounts, 0);
+ if (PQputline(con, sql))
+ {
+ fprintf(stderr, "PQputline failed\n");
+ exit(1);
+ }
+ if (j % 10000 == 0)
+ fprintf(stderr, "%d tuples done.\n", j);
+ }
+ if (PQputline(con, "\\.\n"))
+ {
+ fprintf(stderr, "very last PQputline failed\n");
+ exit(1);
+ }
+
+ if (PQendcopy(con))
+ {
+ fprintf(stderr, "PQendcopy failed\n");
+ exit(1);
+ }
+
+ res = PQexec(con, "end");
+ if (PQresultStatus(res) != PGRES_COMMAND_OK)
+ {
+ fprintf(stderr, "%s", PQerrorMessage(con));
+ exit(1);
+ }
+
+ /* vacuum */
+ fprintf(stderr, "vacuum...");
+ res = PQexec(con, "vacuum analyze");
+ if (PQresultStatus(res) != PGRES_COMMAND_OK)
+ {
+ fprintf(stderr, "%s", PQerrorMessage(con));
+ exit(1);
+ }
+ fprintf(stderr, "done.\n");
+
+ PQfinish(con);
+}
- fd_set input_mask;
- int nsocks; /* return from select(2) */
- int maxsock; /* max socket number to be waited */
+/* print out results */
+static void
+printResults(
+ int ttype, CState * state,
+ struct timeval * tv1, struct timeval * tv2,
+ struct timeval * tv3)
+{
+ double t1,
+ t2;
+ int i;
+ int normal_xacts = 0;
+
+ for (i = 0; i < nclients; i++)
+ normal_xacts += state[i].cnt;
+
+ t1 = (tv3->tv_sec - tv1->tv_sec) * 1000000.0 + (tv3->tv_usec - tv1->tv_usec);
+ t1 = normal_xacts * 1000000.0 / t1;
+
+ t2 = (tv3->tv_sec - tv2->tv_sec) * 1000000.0 + (tv3->tv_usec - tv2->tv_usec);
+ t2 = normal_xacts * 1000000.0 / t2;
+
+ printf("transaction type: %s\n", ttype == 0 ? "TPC-B (sort of)" : "SELECT only");
+ printf("scaling factor: %d\n", tps);
+ printf("number of clients: %d\n", nclients);
+ printf("number of transactions per client: %d\n", nxacts);
+ printf("number of transactions actually processed: %d/%d\n", normal_xacts, nxacts * nclients);
+ printf("tps = %f(including connections establishing)\n", t1);
+ printf("tps = %f(excluding connections establishing)\n", t2);
+}
+
+int
+main(int argc, char **argv)
+{
+ extern char *optarg;
+ extern int optind,
+ opterr,
+ optopt;
+ int c;
+ char *pghost = "";
+ char *pgport = "";
+ char *dbName;
+ int is_init_mode = 0; /* initialize mode? */
+ int is_no_vacuum = 0; /* no vacuum at all before
+ * testing? */
+ int is_full_vacuum = 0; /* do full vacuum before testing? */
+ int debug = 0; /* debug flag */
+ int ttype = 0; /* transaction type. 0: TPC-B, 1: SELECT
+ * only */
+
+ static CState state[MAXCLIENTS]; /* clients status */
+
+ struct timeval tv1; /* start up time */
+ struct timeval tv2; /* after establishing all connections to
+ * the backend */
+ struct timeval tv3; /* end time */
+
+ int i;
+
+ fd_set input_mask;
+ int nsocks; /* return from select(2) */
+ int maxsock; /* max socket number to be waited */
#ifndef __CYGWIN32__
- struct rlimit rlim;
+ struct rlimit rlim;
+
#endif
- PGconn *con;
- PGresult *res;
-
- while ((c = getopt(argc, argv, "ih:nvp:dc:t:s:S")) != EOF) {
- switch (c) {
- case 'i':
- is_init_mode++;
- break;
- case 'h':
- pghost = optarg;
- break;
- case 'n':
- is_no_vacuum++;
- break;
- case 'v':
- is_full_vacuum++;
- break;
- case 'p':
- pgport = optarg;
- break;
- case 'd':
- debug++;
- break;
- case 'S':
- ttype = 1;
- break;
- case 'c':
- nclients = atoi(optarg);
- if (nclients <= 0 || nclients > MAXCLIENTS) {
- fprintf(stderr,"wrong number of clients: %d\n",nclients);
- exit(1);
- }
+ PGconn *con;
+ PGresult *res;
+
+ while ((c = getopt(argc, argv, "ih:nvp:dc:t:s:S")) != EOF)
+ {
+ switch (c)
+ {
+ case 'i':
+ is_init_mode++;
+ break;
+ case 'h':
+ pghost = optarg;
+ break;
+ case 'n':
+ is_no_vacuum++;
+ break;
+ case 'v':
+ is_full_vacuum++;
+ break;
+ case 'p':
+ pgport = optarg;
+ break;
+ case 'd':
+ debug++;
+ break;
+ case 'S':
+ ttype = 1;
+ break;
+ case 'c':
+ nclients = atoi(optarg);
+ if (nclients <= 0 || nclients > MAXCLIENTS)
+ {
+ fprintf(stderr, "wrong number of clients: %d\n", nclients);
+ exit(1);
+ }
#ifndef __CYGWIN32__
-#ifdef RLIMIT_NOFILE /* most platform uses RLIMIT_NOFILE */
- if (getrlimit(RLIMIT_NOFILE,&rlim) == -1) {
-#else /* but BSD doesn't ... */
- if (getrlimit(RLIMIT_OFILE,&rlim) == -1) {
-#endif /* HAVE_RLIMIT_NOFILE */
- fprintf(stderr,"getrlimit failed. reason: %s\n",strerror(errno));
- exit(1);
- }
- if (rlim.rlim_cur <= (nclients+2)) {
- fprintf(stderr,"You need at least %d open files resource but you are only allowed to use %ld.\n",nclients+2,rlim.rlim_cur);
- fprintf(stderr,"Use limit/ulimt to increase the limit before using pgbench.\n");
- exit(1);
- }
-#endif /* #ifndef __CYGWIN32__ */
- break;
- case 's':
- tps = atoi(optarg);
- if (tps <= 0) {
- fprintf(stderr,"wrong scaling factor: %d\n",tps);
- exit(1);
- }
- break;
- case 't':
- nxacts = atoi(optarg);
- if (nxacts <= 0) {
- fprintf(stderr,"wrong number of transactions: %d\n",nxacts);
- exit(1);
- }
- break;
- default:
- usage();
- exit(1);
- break;
- }
- }
-
- if (argc > optind) {
- dbName = argv[optind];
- } else {
- dbName = getenv("USER");
- if (dbName == NULL) {
- dbName = "";
- }
- }
-
- if (is_init_mode) {
- init(pghost, pgport, dbName);
- exit(0);
- }
-
- remains = nclients;
-
- if (debug) {
- printf("pghost: %s pgport: %s nclients: %d nxacts: %d dbName: %s\n",
- pghost, pgport, nclients, nxacts, dbName);
- }
-
- /* opening connection... */
- con = PQsetdb(pghost, pgport, NULL, NULL, dbName);
- if (PQstatus(con) == CONNECTION_BAD) {
- fprintf(stderr, "Connection to database '%s' failed.\n", dbName);
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
-
- /* get the scaling factor that should be same as count(*) from branches... */
- res = PQexec(con,"select count(*) from branches");
- if (PQresultStatus(res) != PGRES_TUPLES_OK) {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- tps = atoi(PQgetvalue(res, 0, 0));
- if (tps < 0) {
- fprintf(stderr,"count(*) from branches invalid (%d)\n",tps);
- exit(1);
- }
- PQclear(res);
-
- if (!is_no_vacuum) {
- fprintf(stderr,"starting vacuum...");
- res = PQexec(con,"vacuum branches");
- if (PQresultStatus(res) != PGRES_COMMAND_OK) {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
-
- res = PQexec(con,"vacuum tellers");
- if (PQresultStatus(res) != PGRES_COMMAND_OK) {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
-
- res = PQexec(con,"delete from history");
- if (PQresultStatus(res) != PGRES_COMMAND_OK) {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
- res = PQexec(con,"vacuum history");
- if (PQresultStatus(res) != PGRES_COMMAND_OK) {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
-
- fprintf(stderr,"end.\n");
-
- if (is_full_vacuum) {
- fprintf(stderr,"starting full vacuum...");
- res = PQexec(con,"vacuum analyze accounts");
- if (PQresultStatus(res) != PGRES_COMMAND_OK) {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
- fprintf(stderr,"end.\n");
- }
- }
- PQfinish(con);
-
- /* set random seed */
- gettimeofday(&tv1, 0);
- srand((uint)tv1.tv_usec);
-
- /* get start up time */
- gettimeofday(&tv1, 0);
-
- /* make connections to the database */
- for (i=0;i<nclients;i++) {
- state[i].con = PQsetdb(pghost, pgport, NULL, NULL, dbName);
- if (PQstatus(state[i].con) == CONNECTION_BAD) {
- fprintf(stderr, "Connection to database '%s' failed.\n", dbName);
- fprintf(stderr, "%s", PQerrorMessage(state[i].con));
- exit(1);
- }
- }
-
- /* time after connections set up */
- gettimeofday(&tv2, 0);
-
- /* send start up quries in async manner */
- for (i=0;i<nclients;i++) {
- if (ttype == 0) {
- doOne(state, i, debug);
- } else if (ttype == 1) {
- doSelectOnly(state, i, debug);
- }
- }
-
- for (;;) {
- if (remains <= 0) { /* all done ? */
- disconnect_all(state);
- /* get end time */
- gettimeofday(&tv3, 0);
- printResults(ttype, state, &tv1,&tv2,&tv3);
- exit(0);
- }
-
- FD_ZERO(&input_mask);
-
- maxsock = 0;
- for (i=0;i<nclients;i++) {
- if (state[i].con) {
- int sock = PQsocket(state[i].con);
- if (sock < 0) {
- fprintf(stderr,"Client %d: PQsock failed\n",i);
- disconnect_all(state);
- exit(1);
- }
- FD_SET(sock, &input_mask);
- if (maxsock < sock) {
- maxsock = sock;
- }
- }
- }
-
- if ((nsocks = select(maxsock +1, &input_mask, (fd_set *)NULL,
- (fd_set *)NULL, (struct timeval *)NULL)) < 0) {
- if (errno == EINTR) {
- continue;
- }
- /* must be something wrong */
- disconnect_all(state);
- fprintf(stderr,"select failed: %s\n",strerror(errno));
- exit(1);
- } else if (nsocks == 0) { /* timeout */
- fprintf(stderr,"select timeout\n");
- for (i=0;i<nclients;i++) {
- fprintf(stderr,"client %d:state %d cnt %d ecnt %d listen %d\n",
- i,state[i].state,state[i].cnt,state[i].ecnt,state[i].listen);
- }
- exit(0);
- }
-
- /* ok, backend returns reply */
- for (i=0;i<nclients;i++) {
- if (state[i].con && FD_ISSET(PQsocket(state[i].con), &input_mask)) {
- if (ttype == 0) {
- doOne(state, i, debug);
- } else if (ttype == 1) {
- doSelectOnly(state, i, debug);
- }
- }
- }
- }
+#ifdef RLIMIT_NOFILE /* most platform uses RLIMIT_NOFILE */
+ if (getrlimit(RLIMIT_NOFILE, &rlim) == -1)
+ {
+#else /* but BSD doesn't ... */
+ if (getrlimit(RLIMIT_OFILE, &rlim) == -1)
+ {
+#endif /* HAVE_RLIMIT_NOFILE */
+ fprintf(stderr, "getrlimit failed. reason: %s\n", strerror(errno));
+ exit(1);
+ }
+ if (rlim.rlim_cur <= (nclients + 2))
+ {
+ fprintf(stderr, "You need at least %d open files resource but you are only allowed to use %ld.\n", nclients + 2, rlim.rlim_cur);
+ fprintf(stderr, "Use limit/ulimt to increase the limit before using pgbench.\n");
+ exit(1);
+ }
+#endif /* #ifndef __CYGWIN32__ */
+ break;
+ case 's':
+ tps = atoi(optarg);
+ if (tps <= 0)
+ {
+ fprintf(stderr, "wrong scaling factor: %d\n", tps);
+ exit(1);
+ }
+ break;
+ case 't':
+ nxacts = atoi(optarg);
+ if (nxacts <= 0)
+ {
+ fprintf(stderr, "wrong number of transactions: %d\n", nxacts);
+ exit(1);
+ }
+ break;
+ default:
+ usage();
+ exit(1);
+ break;
+ }
+ }
+
+ if (argc > optind)
+ dbName = argv[optind];
+ else
+ {
+ dbName = getenv("USER");
+ if (dbName == NULL)
+ dbName = "";
+ }
+
+ if (is_init_mode)
+ {
+ init(pghost, pgport, dbName);
+ exit(0);
+ }
+
+ remains = nclients;
+
+ if (debug)
+ {
+ printf("pghost: %s pgport: %s nclients: %d nxacts: %d dbName: %s\n",
+ pghost, pgport, nclients, nxacts, dbName);
+ }
+
+ /* opening connection... */
+ con = PQsetdb(pghost, pgport, NULL, NULL, dbName);
+ if (PQstatus(con) == CONNECTION_BAD)
+ {
+ fprintf(stderr, "Connection to database '%s' failed.\n", dbName);
+ fprintf(stderr, "%s", PQerrorMessage(con));
+ exit(1);
+ }
+
+ /*
+ * get the scaling factor that should be same as count(*) from
+ * branches...
+ */
+ res = PQexec(con, "select count(*) from branches");
+ if (PQresultStatus(res) != PGRES_TUPLES_OK)
+ {
+ fprintf(stderr, "%s", PQerrorMessage(con));
+ exit(1);
+ }
+ tps = atoi(PQgetvalue(res, 0, 0));
+ if (tps < 0)
+ {
+ fprintf(stderr, "count(*) from branches invalid (%d)\n", tps);
+ exit(1);
+ }
+ PQclear(res);
+
+ if (!is_no_vacuum)
+ {
+ fprintf(stderr, "starting vacuum...");
+ res = PQexec(con, "vacuum branches");
+ if (PQresultStatus(res) != PGRES_COMMAND_OK)
+ {
+ fprintf(stderr, "%s", PQerrorMessage(con));
+ exit(1);
+ }
+ PQclear(res);
+
+ res = PQexec(con, "vacuum tellers");
+ if (PQresultStatus(res) != PGRES_COMMAND_OK)
+ {
+ fprintf(stderr, "%s", PQerrorMessage(con));
+ exit(1);
+ }
+ PQclear(res);
+
+ res = PQexec(con, "delete from history");
+ if (PQresultStatus(res) != PGRES_COMMAND_OK)
+ {
+ fprintf(stderr, "%s", PQerrorMessage(con));
+ exit(1);
+ }
+ PQclear(res);
+ res = PQexec(con, "vacuum history");
+ if (PQresultStatus(res) != PGRES_COMMAND_OK)
+ {
+ fprintf(stderr, "%s", PQerrorMessage(con));
+ exit(1);
+ }
+ PQclear(res);
+
+ fprintf(stderr, "end.\n");
+
+ if (is_full_vacuum)
+ {
+ fprintf(stderr, "starting full vacuum...");
+ res = PQexec(con, "vacuum analyze accounts");
+ if (PQresultStatus(res) != PGRES_COMMAND_OK)
+ {
+ fprintf(stderr, "%s", PQerrorMessage(con));
+ exit(1);
+ }
+ PQclear(res);
+ fprintf(stderr, "end.\n");
+ }
+ }
+ PQfinish(con);
+
+ /* set random seed */
+ gettimeofday(&tv1, 0);
+ srand((uint) tv1.tv_usec);
+
+ /* get start up time */
+ gettimeofday(&tv1, 0);
+
+ /* make connections to the database */
+ for (i = 0; i < nclients; i++)
+ {
+ state[i].con = PQsetdb(pghost, pgport, NULL, NULL, dbName);
+ if (PQstatus(state[i].con) == CONNECTION_BAD)
+ {
+ fprintf(stderr, "Connection to database '%s' failed.\n", dbName);
+ fprintf(stderr, "%s", PQerrorMessage(state[i].con));
+ exit(1);
+ }
+ }
+
+ /* time after connections set up */
+ gettimeofday(&tv2, 0);
+
+ /* send start up quries in async manner */
+ for (i = 0; i < nclients; i++)
+ {
+ if (ttype == 0)
+ doOne(state, i, debug);
+ else if (ttype == 1)
+ doSelectOnly(state, i, debug);
+ }
+
+ for (;;)
+ {
+ if (remains <= 0)
+ { /* all done ? */
+ disconnect_all(state);
+ /* get end time */
+ gettimeofday(&tv3, 0);
+ printResults(ttype, state, &tv1, &tv2, &tv3);
+ exit(0);
+ }
+
+ FD_ZERO(&input_mask);
+
+ maxsock = 0;
+ for (i = 0; i < nclients; i++)
+ {
+ if (state[i].con)
+ {
+ int sock = PQsocket(state[i].con);
+
+ if (sock < 0)
+ {
+ fprintf(stderr, "Client %d: PQsock failed\n", i);
+ disconnect_all(state);
+ exit(1);
+ }
+ FD_SET(sock, &input_mask);
+ if (maxsock < sock)
+ maxsock = sock;
+ }
+ }
+
+ if ((nsocks = select(maxsock + 1, &input_mask, (fd_set *) NULL,
+ (fd_set *) NULL, (struct timeval *) NULL)) < 0)
+ {
+ if (errno == EINTR)
+ continue;
+ /* must be something wrong */
+ disconnect_all(state);
+ fprintf(stderr, "select failed: %s\n", strerror(errno));
+ exit(1);
+ }
+ else if (nsocks == 0)
+ { /* timeout */
+ fprintf(stderr, "select timeout\n");
+ for (i = 0; i < nclients; i++)
+ {
+ fprintf(stderr, "client %d:state %d cnt %d ecnt %d listen %d\n",
+ i, state[i].state, state[i].cnt, state[i].ecnt, state[i].listen);
+ }
+ exit(0);
+ }
+
+ /* ok, backend returns reply */
+ for (i = 0; i < nclients; i++)
+ {
+ if (state[i].con && FD_ISSET(PQsocket(state[i].con), &input_mask))
+ {
+ if (ttype == 0)
+ doOne(state, i, debug);
+ else if (ttype == 1)
+ doSelectOnly(state, i, debug);
+ }
+ }
+ }
}
#define ISO8859
#define MIN(x, y) ((x) < (y) ? (x) : (y))
-#define VALUE(char) ((char) - '0')
+#define VALUE(char) ((char) - '0')
#define DIGIT(val) ((val) + '0')
#define ISOCTAL(c) (((c) >= '0') && ((c) <= '7'))
#ifndef ISO8859
break;
case '{':
/* Escape beginning of string, to distinguish from arrays */
- if (p == data) {
+ if (p == data)
len++;
- }
break;
default:
if (NOTPRINTABLE(*p))
break;
case '{':
/* Escape beginning of string, to distinguish from arrays */
- if (p == data) {
+ if (p == data)
*r++ = '\\';
- }
*r++ = c;
break;
default:
{
return (string_input(str, 1, 0, NULL));
}
+
#endif
/* end of file */
/*
* Local Variables:
- * tab-width: 4
- * c-indent-level: 4
- * c-basic-offset: 4
+ * tab-width: 4
+ * c-indent-level: 4
+ * c-basic-offset: 4
* End:
*/
#ifndef STRING_IO_H
#define STRING_IO_H
-unsigned char* string_output(unsigned char *data, int size);
-unsigned char* string_input(unsigned char *str, int size, int hdrsize,
- int *rtn_size);
-unsigned char* c_charout(int32 c);
-unsigned char* c_textout(struct varlena * vlena);
-unsigned char* c_varcharout(unsigned char *s);
+unsigned char *string_output(unsigned char *data, int size);
+unsigned char *string_input(unsigned char *str, int size, int hdrsize,
+ int *rtn_size);
+unsigned char *c_charout(int32 c);
+unsigned char *c_textout(struct varlena * vlena);
+unsigned char *c_varcharout(unsigned char *s);
#if 0
-struct varlena* c_textin(unsigned char *str);
-int32* c_charin(unsigned char *str)
+struct varlena *c_textin(unsigned char *str);
+int32 *
+c_charin(unsigned char *str)
#endif
#endif
/*
* Local Variables:
- * tab-width: 4
- * c-indent-level: 4
- * c-basic-offset: 4
+ * tab-width: 4
+ * c-indent-level: 4
+ * c-basic-offset: 4
* End:
*/
/*
* Local Variables:
- * tab-width: 4
- * c-indent-level: 4
- * c-basic-offset: 4
+ * tab-width: 4
+ * c-indent-level: 4
+ * c-basic-offset: 4
* End:
*/
/*
* Local Variables:
- * tab-width: 4
- * c-indent-level: 4
- * c-basic-offset: 4
+ * tab-width: 4
+ * c-indent-level: 4
+ * c-basic-offset: 4
* End:
*/
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/common/heaptuple.c,v 1.61 2000/01/26 05:55:53 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/common/heaptuple.c,v 1.62 2000/04/12 17:14:36 momjian Exp $
*
* NOTES
* The old interface functions have been converted to macros
*((int32 *) value[i]));
break;
default:
- Assert(att[i]->attlen >= 0);
- memmove(data, DatumGetPointer(value[i]),
- (size_t)(att[i]->attlen));
+ Assert(att[i]->attlen >= 0);
+ memmove(data, DatumGetPointer(value[i]),
+ (size_t) (att[i]->attlen));
break;
}
data = (char *) att_addlength((long) data, att[i]->attlen, value[i]);
Form_pg_attribute *att = tupleDesc->attrs;
int slow = 0; /* do we have to walk nulls? */
- (void)isnull; /*not used*/
+ (void) isnull; /* not used */
#ifdef IN_MACRO
/* This is handled in the macro */
Assert(attnum > 0);
len += bitmaplen;
}
- hoff = len = MAXALIGN(len); /* be conservative here */
+ hoff = len = MAXALIGN(len); /* be conservative here */
len += ComputeDataSize(tupleDescriptor, value, nulls);
heap_freetuple(HeapTuple htup)
{
if (htup->t_data != NULL)
- if (htup->t_datamcxt != NULL && (char *)(htup->t_data) !=
- ((char *) htup + HEAPTUPLESIZE))
- {
+ if (htup->t_datamcxt != NULL && (char *) (htup->t_data) !=
+ ((char *) htup + HEAPTUPLESIZE))
elog(NOTICE, "TELL Jan Wieck: heap_freetuple() found separate t_data");
- }
pfree(htup);
}
len = offsetof(HeapTupleHeaderData, t_bits);
- hoff = len = MAXALIGN(len); /* be conservative */
+ hoff = len = MAXALIGN(len); /* be conservative */
len += structlen;
tuple = (HeapTuple) palloc(HEAPTUPLESIZE + len);
tuple->t_datamcxt = CurrentMemoryContext;
td->t_infomask = 0;
td->t_infomask |= HEAP_XMAX_INVALID;
- if (structlen > 0)
- memmove((char *) td + hoff, structure, (size_t)structlen);
+ if (structlen > 0)
+ memmove((char *) td + hoff, structure, (size_t) structlen);
return tuple;
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/common/indextuple.c,v 1.42 2000/01/26 05:55:53 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/common/indextuple.c,v 1.43 2000/04/12 17:14:37 momjian Exp $
*
*-------------------------------------------------------------------------
*/
hoff = IndexInfoFindDataOffset(infomask);
size = hoff + ComputeDataSize(tupleDescriptor, value, null);
- size = MAXALIGN(size); /* be conservative */
+ size = MAXALIGN(size); /* be conservative */
tp = (char *) palloc(size);
tuple = (IndexTuple) tp;
int data_off; /* tuple data offset */
Form_pg_attribute *att = tupleDesc->attrs;
- (void)isnull;
+ (void) isnull;
/* ----------------
* sanity checks
* ----------------
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/common/tupdesc.c,v 1.61 2000/01/31 04:35:48 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/common/tupdesc.c,v 1.62 2000/04/12 17:14:37 momjian Exp $
*
* NOTES
* some of the executor utility code such as "ExecTypeFromTL" should be
bool
equalTupleDescs(TupleDesc tupdesc1, TupleDesc tupdesc2)
{
- int i;
+ int i;
if (tupdesc1->natts != tupdesc2->natts)
return false;
for (i = 0; i < tupdesc1->natts; i++)
{
- Form_pg_attribute attr1 = tupdesc1->attrs[i];
- Form_pg_attribute attr2 = tupdesc2->attrs[i];
+ Form_pg_attribute attr1 = tupdesc1->attrs[i];
+ Form_pg_attribute attr2 = tupdesc2->attrs[i];
- /* We do not need to check every single field here, and in fact
- * some fields such as attdisbursion probably shouldn't be compared.
+ /*
+ * We do not need to check every single field here, and in fact
+ * some fields such as attdisbursion probably shouldn't be
+ * compared.
*/
if (strcmp(NameStr(attr1->attname), NameStr(attr2->attname)) != 0)
return false;
}
if (tupdesc1->constr != NULL)
{
- TupleConstr *constr1 = tupdesc1->constr;
- TupleConstr *constr2 = tupdesc2->constr;
+ TupleConstr *constr1 = tupdesc1->constr;
+ TupleConstr *constr2 = tupdesc2->constr;
if (constr2 == NULL)
return false;
return false;
for (i = 0; i < (int) constr1->num_defval; i++)
{
- AttrDefault *defval1 = constr1->defval + i;
- AttrDefault *defval2 = constr2->defval + i;
+ AttrDefault *defval1 = constr1->defval + i;
+ AttrDefault *defval2 = constr2->defval + i;
if (defval1->adnum != defval2->adnum)
return false;
return false;
for (i = 0; i < (int) constr1->num_check; i++)
{
- ConstrCheck *check1 = constr1->check + i;
- ConstrCheck *check2 = constr2->check + i;
+ ConstrCheck *check1 = constr1->check + i;
+ ConstrCheck *check2 = constr2->check + i;
if (strcmp(check1->ccname, check2->ccname) != 0)
return false;
constr->has_not_null = true;
desc->attrs[attnum - 1]->attnotnull = entry->is_not_null;
- /* Note we copy only pre-cooked default expressions.
- * Digestion of raw ones is someone else's problem.
+ /*
+ * Note we copy only pre-cooked default expressions. Digestion of
+ * raw ones is someone else's problem.
*/
if (entry->cooked_default != NULL)
{
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/gist/gist.c,v 1.52 2000/03/17 02:36:00 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/gist/gist.c,v 1.53 2000/04/12 17:14:39 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static IndexTuple gist_tuple_replacekey(Relation r, GISTENTRY entry, IndexTuple t);
static void gistcentryinit(GISTSTATE *giststate, GISTENTRY *e, char *pr,
Relation r, Page pg, OffsetNumber o, int b, bool l);
+
#ifdef GISTDEBUG
static char *int_range_out(INTRANGE *r);
+
#endif
/*
/* no locking is needed */
- CommandCounterIncrement(); /* so we can see the new pg_index tuple */
+ CommandCounterIncrement(); /* so we can see the new pg_index tuple */
initGISTstate(&giststate, index);
#ifndef OMIT_PARTIAL_INDEX
/* SetSlotContents(slot, htup); */
slot->val = htup;
- if (! ExecQual((List *) pred, econtext, false))
+ if (!ExecQual((List *) pred, econtext, false))
continue;
#endif /* OMIT_PARTIAL_INDEX */
}
/*
* Since we just counted the tuples in the heap, we update its stats
* in pg_class to guarantee that the planner takes advantage of the
- * index we just created. But, only update statistics during
- * normal index definitions, not for indices on system catalogs
- * created during bootstrap processing. We must close the relations
- * before updating statistics to guarantee that the relcache entries
- * are flushed when we increment the command counter in UpdateStats().
- * But we do not release any locks on the relations; those will be
- * held until end of transaction.
+ * index we just created. But, only update statistics during normal
+ * index definitions, not for indices on system catalogs created
+ * during bootstrap processing. We must close the relations before
+ * updating statistics to guarantee that the relcache entries are
+ * flushed when we increment the command counter in UpdateStats(). But
+ * we do not release any locks on the relations; those will be held
+ * until end of transaction.
*/
if (IsNormalProcessingMode())
{
- Oid hrelid = RelationGetRelid(heap);
- Oid irelid = RelationGetRelid(index);
+ Oid hrelid = RelationGetRelid(heap);
+ Oid irelid = RelationGetRelid(index);
bool inplace = IsReindexProcessing();
heap_close(heap, NoLock);
prev = l;
if (l == (GISTScanList) NULL)
- elog(ERROR, "GiST scan list corrupted -- cannot find 0x%p", (void*)s);
+ elog(ERROR, "GiST scan list corrupted -- cannot find 0x%p", (void *) s);
if (prev == (GISTScanList) NULL)
GISTScans = l->gsl_next;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/hash/hash.c,v 1.36 2000/03/01 05:39:22 inoue Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/hash/hash.c,v 1.37 2000/04/12 17:14:43 momjian Exp $
*
* NOTES
* This file contains only the public interface routines.
#ifndef OMIT_PARTIAL_INDEX
/* SetSlotContents(slot, htup); */
slot->val = htup;
- if (! ExecQual((List *) pred, econtext, false))
+ if (!ExecQual((List *) pred, econtext, false))
continue;
#endif /* OMIT_PARTIAL_INDEX */
}
/*
* Since we just counted the tuples in the heap, we update its stats
* in pg_class to guarantee that the planner takes advantage of the
- * index we just created. But, only update statistics during
- * normal index definitions, not for indices on system catalogs
- * created during bootstrap processing. We must close the relations
- * before updating statistics to guarantee that the relcache entries
- * are flushed when we increment the command counter in UpdateStats().
- * But we do not release any locks on the relations; those will be
- * held until end of transaction.
+ * index we just created. But, only update statistics during normal
+ * index definitions, not for indices on system catalogs created
+ * during bootstrap processing. We must close the relations before
+ * updating statistics to guarantee that the relcache entries are
+ * flushed when we increment the command counter in UpdateStats(). But
+ * we do not release any locks on the relations; those will be held
+ * until end of transaction.
*/
if (IsNormalProcessingMode())
{
- Oid hrelid = RelationGetRelid(heap);
- Oid irelid = RelationGetRelid(index);
+ Oid hrelid = RelationGetRelid(heap);
+ Oid irelid = RelationGetRelid(index);
bool inplace = IsReindexProcessing();
heap_close(heap, NoLock);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/hash/hashfunc.c,v 1.24 2000/02/21 03:36:46 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/hash/hashfunc.c,v 1.25 2000/04/12 17:14:44 momjian Exp $
*
* NOTES
* These functions are stored in pg_amproc. For each operator class
int i;
uint32 result = 0;
- for (i = INDEX_MAX_KEYS; --i >= 0; )
+ for (i = INDEX_MAX_KEYS; --i >= 0;)
result = (result << 1) ^ (~(uint32) key[i]);
return result;
}
/*
* Note: hashint2vector currently can't be used as a user hash table
- * hash function, because it has no pg_proc entry. We only need it
+ * hash function, because it has no pg_proc entry. We only need it
* for catcache indexing.
*/
uint32
int i;
uint32 result = 0;
- for (i = INDEX_MAX_KEYS; --i >= 0; )
+ for (i = INDEX_MAX_KEYS; --i >= 0;)
result = (result << 1) ^ (~(uint32) key[i]);
return result;
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/hash/hashscan.c,v 1.22 2000/01/26 05:55:55 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/hash/hashscan.c,v 1.23 2000/04/12 17:14:44 momjian Exp $
*
* NOTES
* Because we can be doing an index scan on a relation while we
last = chk;
if (chk == (HashScanList) NULL)
- elog(ERROR, "hash scan list trashed; can't find 0x%p", (void*)scan);
+ elog(ERROR, "hash scan list trashed; can't find 0x%p", (void *) scan);
if (last == (HashScanList) NULL)
HashScans = chk->hashsl_next;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/hash/hashsearch.c,v 1.23 2000/03/17 02:36:02 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/hash/hashsearch.c,v 1.24 2000/04/12 17:14:44 momjian Exp $
*
*-------------------------------------------------------------------------
*/
opaque = (HashPageOpaque) PageGetSpecialPointer(page);
Assert(opaque->hasho_bucket == bucket);
while (PageIsEmpty(page) &&
- BlockNumberIsValid(opaque->hasho_nextblkno))
+ BlockNumberIsValid(opaque->hasho_nextblkno))
_hash_readnext(rel, &buf, &page, &opaque);
maxoff = PageGetMaxOffsetNumber(page);
offnum = FirstOffsetNumber;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/heap/heapam.c,v 1.66 2000/02/09 03:49:47 inoue Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/heap/heapam.c,v 1.67 2000/04/12 17:14:45 momjian Exp $
*
*
* INTERFACE ROUTINES
* heap_fetch - retrive tuple with tid
* heap_insert - insert tuple into a relation
* heap_delete - delete a tuple from a relation
- * heap_update - replace a tuple in a relation with another tuple
+ * heap_update - replace a tuple in a relation with another tuple
* heap_markpos - mark scan position
* heap_restrpos - restore position to marked location
*
* ----------------
*/
scan->rs_ntup.t_datamcxt = scan->rs_ctup.t_datamcxt =
- scan->rs_ptup.t_datamcxt = NULL;
+ scan->rs_ptup.t_datamcxt = NULL;
scan->rs_ntup.t_data = scan->rs_ctup.t_data =
- scan->rs_ptup.t_data = NULL;
+ scan->rs_ptup.t_data = NULL;
scan->rs_nbuf = scan->rs_cbuf = scan->rs_pbuf = InvalidBuffer;
}
else if (atend)
if (BufferIsValid(scan->rs_nbuf))
ReleaseBuffer(scan->rs_nbuf);
- /* we don't bother to clear rs_pbuf etc --- caller must
- * reinitialize them if scan descriptor is not being deleted.
+ /*
+ * we don't bother to clear rs_pbuf etc --- caller must reinitialize
+ * them if scan descriptor is not being deleted.
*/
}
if (lockmode == NoLock)
return r; /* caller must check RelationIsValid! */
- if (! RelationIsValid(r))
+ if (!RelationIsValid(r))
elog(ERROR, "Relation %u does not exist", relationId);
LockRelation(r, lockmode);
if (lockmode == NoLock)
return r; /* caller must check RelationIsValid! */
- if (! RelationIsValid(r))
+ if (!RelationIsValid(r))
elog(ERROR, "Relation '%s' does not exist", relationName);
LockRelation(r, lockmode);
* sanity checks
* ----------------
*/
- if (! RelationIsValid(relation))
+ if (!RelationIsValid(relation))
elog(ERROR, "heap_beginscan: !RelationIsValid(relation)");
/* ----------------
* Acquire AccessShareLock for the duration of the scan
*
* Note: we could get an SI inval message here and consequently have
- * to rebuild the relcache entry. The refcount increment above
+ * to rebuild the relcache entry. The refcount increment above
* ensures that we will rebuild it and not just flush it...
* ----------------
*/
scan->rs_nkeys = (short) nkeys;
if (nkeys)
+
/*
* we do this here instead of in initscan() because heap_rescan
* also calls initscan() and we don't want to allocate memory
if (scan->rs_ptup.t_data == scan->rs_ctup.t_data &&
BufferIsInvalid(scan->rs_pbuf))
- {
return NULL;
- }
/*
* Copy the "current" tuple/buffer to "next". Pin/unpin the
}
else
{
- /* All checks passed, so return the tuple as valid.
- * Caller is now responsible for releasing the buffer.
+
+ /*
+ * All checks passed, so return the tuple as valid. Caller is now
+ * responsible for releasing the buffer.
*/
*userbuf = buffer;
}
*/
ItemPointer
heap_get_latest_tid(Relation relation,
- Snapshot snapshot,
- ItemPointer tid)
+ Snapshot snapshot,
+ ItemPointer tid)
{
ItemId lp = NULL;
Buffer buffer;
PageHeader dp;
- OffsetNumber offnum;
- HeapTupleData tp;
- HeapTupleHeader t_data;
- ItemPointerData ctid;
- bool invalidBlock,linkend;
+ OffsetNumber offnum;
+ HeapTupleData tp;
+ HeapTupleHeader t_data;
+ ItemPointerData ctid;
+ bool invalidBlock,
+ linkend;
/* ----------------
* get the buffer from the relation descriptor
invalidBlock = false;
}
if (invalidBlock)
- {
+ {
LockBuffer(buffer, BUFFER_LOCK_UNLOCK);
ReleaseBuffer(buffer);
return NULL;
- }
+ }
/* ----------------
* more sanity checks
snapshot, 0, (ScanKey) NULL);
linkend = true;
- if ((t_data->t_infomask & HEAP_XMAX_COMMITTED) &&
+ if ((t_data->t_infomask & HEAP_XMAX_COMMITTED) &&
!ItemPointerEquals(tid, &ctid))
linkend = false;
{
if (linkend)
return NULL;
- return heap_get_latest_tid(relation, snapshot, &ctid);
+ return heap_get_latest_tid(relation, snapshot, &ctid);
}
return tid;
LockBuffer(buffer, BUFFER_LOCK_EXCLUSIVE);
if (TransactionIdDidAbort(xwait))
goto l1;
- /*
- * xwait is committed but if xwait had just marked
- * the tuple for update then some other xaction could
- * update this tuple before we got to this point.
+
+ /*
+ * xwait is committed but if xwait had just marked the tuple for
+ * update then some other xaction could update this tuple before
+ * we got to this point.
*/
if (tp.t_data->t_xmax != xwait)
goto l1;
}
/*
- * heap_update - replace a tuple
+ * heap_update - replace a tuple
*/
int
heap_update(Relation relation, ItemPointer otid, HeapTuple newtup,
- ItemPointer ctid)
+ ItemPointer ctid)
{
ItemId lp;
HeapTupleData oldtup;
LockBuffer(buffer, BUFFER_LOCK_EXCLUSIVE);
if (TransactionIdDidAbort(xwait))
goto l2;
- /*
- * xwait is committed but if xwait had just marked
- * the tuple for update then some other xaction could
- * update this tuple before we got to this point.
+
+ /*
+ * xwait is committed but if xwait had just marked the tuple for
+ * update then some other xaction could update this tuple before
+ * we got to this point.
*/
if (oldtup.t_data->t_xmax != xwait)
goto l2;
LockBuffer(*buffer, BUFFER_LOCK_EXCLUSIVE);
if (TransactionIdDidAbort(xwait))
goto l3;
- /*
- * xwait is committed but if xwait had just marked
- * the tuple for update then some other xaction could
- * update this tuple before we got to this point.
+
+ /*
+ * xwait is committed but if xwait had just marked the tuple for
+ * update then some other xaction could update this tuple before
+ * we got to this point.
*/
if (tuple->t_data->t_xmax != xwait)
goto l3;
*
*
* IDENTIFICATION
- * $Id: hio.c,v 1.30 2000/03/17 02:36:02 tgl Exp $
+ * $Id: hio.c,v 1.31 2000/04/12 17:14:45 momjian Exp $
*
*-------------------------------------------------------------------------
*/
IncrHeapAccessStat(global_RelationPutHeapTuple);
pageHeader = (Page) BufferGetPage(buffer);
- len = MAXALIGN(tuple->t_len); /* be conservative */
+ len = MAXALIGN(tuple->t_len); /* be conservative */
Assert(len <= PageGetFreeSpace(pageHeader));
offnum = PageAddItem((Page) pageHeader, (Item) tuple->t_data,
ItemId itemId;
Item item;
- len = MAXALIGN(tuple->t_len); /* be conservative */
+ len = MAXALIGN(tuple->t_len); /* be conservative */
/*
- * If we're gonna fail for oversize tuple, do it right away...
- * this code should go away eventually.
+ * If we're gonna fail for oversize tuple, do it right away... this
+ * code should go away eventually.
*/
if (len > MaxTupleSize)
elog(ERROR, "Tuple is too big: size %u, max size %ld",
lastblock = RelationGetNumberOfBlocks(relation);
/*
- * Get the last existing page --- may need to create the first one
- * if this is a virgin relation.
+ * Get the last existing page --- may need to create the first one if
+ * this is a virgin relation.
*/
if (lastblock == 0)
{
if (len > PageGetFreeSpace(pageHeader))
{
+
/*
- * BUG: by elog'ing here, we leave the new buffer locked and not
- * marked dirty, which may result in an invalid page header
- * being left on disk. But we should not get here given the
- * test at the top of the routine, and the whole deal should
- * go away when we implement tuple splitting anyway...
+ * BUG: by elog'ing here, we leave the new buffer locked and
+ * not marked dirty, which may result in an invalid page
+ * header being left on disk. But we should not get here
+ * given the test at the top of the routine, and the whole
+ * deal should go away when we implement tuple splitting
+ * anyway...
*/
elog(ERROR, "Tuple is too big: size %u", len);
}
*
* tuptoaster.c
* Support routines for external and compressed storage of
- * variable size attributes.
+ * variable size attributes.
*
* Copyright (c) 2000, PostgreSQL Global Development Group
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/heap/tuptoaster.c,v 1.2 2000/01/20 21:50:59 petere Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/heap/tuptoaster.c,v 1.3 2000/04/12 17:14:45 momjian Exp $
*
*
* INTERFACE ROUTINES
#ifdef TUPLE_TOASTER_ACTIVE
void
-heap_tuple_toast_attrs (Relation rel, HeapTuple newtup, HeapTuple oldtup)
+heap_tuple_toast_attrs(Relation rel, HeapTuple newtup, HeapTuple oldtup)
{
return;
}
-varattrib *
-heap_tuple_untoast_attr (varattrib *attr)
+varattrib *
+heap_tuple_untoast_attr(varattrib * attr)
{
elog(ERROR, "heap_tuple_untoast_attr() called");
}
-#endif /* TUPLE_TOASTER_ACTIVE */
+#endif /* TUPLE_TOASTER_ACTIVE */
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/index/genam.c,v 1.24 2000/03/14 23:52:01 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/index/genam.c,v 1.25 2000/04/12 17:14:47 momjian Exp $
*
* NOTES
* many of the old access method routines have been turned into
*
* At the end of a scan, the AM's endscan routine undoes the locking,
* but does *not* call IndexScanEnd --- the higher-level index_endscan
- * routine does that. (We can't do it in the AM because index_endscan
+ * routine does that. (We can't do it in the AM because index_endscan
* still needs to touch the IndexScanDesc after calling the AM.)
*
* Because of this, the AM does not have a choice whether to call
ItemPointerSetInvalid(&scan->currentMarkData);
ItemPointerSetInvalid(&scan->nextMarkData);
- /* mark cached function lookup data invalid; it will be set on first use */
+ /*
+ * mark cached function lookup data invalid; it will be set on first
+ * use
+ */
scan->fn_getnext.fn_oid = InvalidOid;
if (numberOfKeys > 0)
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/index/indexam.c,v 1.41 2000/03/14 23:52:01 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/index/indexam.c,v 1.42 2000/04/12 17:14:47 momjian Exp $
*
* INTERFACE ROUTINES
* index_open - open an index relation by relationId
* index_open - open an index relation by relationId
*
* presently the relcache routines do all the work we need
- * to open/close index relations. However, callers of index_open
+ * to open/close index relations. However, callers of index_open
* expect it to succeed, so we need to check for a failure return.
*
- * Note: we acquire no lock on the index. An AccessShareLock is
+ * Note: we acquire no lock on the index. An AccessShareLock is
* acquired by index_beginscan (and released by index_endscan).
* ----------------
*/
r = RelationIdGetRelation(relationId);
- if (! RelationIsValid(r))
+ if (!RelationIsValid(r))
elog(ERROR, "Index %u does not exist", relationId);
if (r->rd_rel->relkind != RELKIND_INDEX)
r = RelationNameGetRelation(relationName);
- if (! RelationIsValid(r))
+ if (!RelationIsValid(r))
elog(ERROR, "Index '%s' does not exist", relationName);
if (r->rd_rel->relkind != RELKIND_INDEX)
* Acquire AccessShareLock for the duration of the scan
*
* Note: we could get an SI inval message here and consequently have
- * to rebuild the relcache entry. The refcount increment above
+ * to rebuild the relcache entry. The refcount increment above
* ensures that we will rebuild it and not just flush it...
* ----------------
*/
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/index/Attic/istrat.c,v 1.41 2000/02/18 09:29:16 inoue Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/index/Attic/istrat.c,v 1.42 2000/04/12 17:14:47 momjian Exp $
*
*-------------------------------------------------------------------------
*/
{
HeapTuple tuple;
HeapScanDesc scan = NULL;
- bool cachesearch = (!IsBootstrapProcessingMode()) && IsCacheInitialized();
+ bool cachesearch = (!IsBootstrapProcessingMode()) && IsCacheInitialized();
if (cachesearch)
{
AttrNumber attributeNumber;
int attributeIndex;
Oid operatorClassObjectId[INDEX_MAX_KEYS];
- bool cachesearch = (!IsBootstrapProcessingMode()) && IsCacheInitialized();
+ bool cachesearch = (!IsBootstrapProcessingMode()) && IsCacheInitialized();
if (cachesearch)
{
aform = (Form_pg_amop) GETSTRUCT(tuple);
OperatorRelationFillScanKeyEntry(operatorRelation,
aform->amopopr,
- StrategyMapGetScanKeyEntry(map, aform->amopstrategy));
+ StrategyMapGetScanKeyEntry(map, aform->amopstrategy));
}
heap_endscan(scan);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtcompare.c,v 1.33 2000/02/10 19:51:38 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtcompare.c,v 1.34 2000/04/12 17:14:49 momjian Exp $
*
* NOTES
* These functions are stored in pg_amproc. For each operator class
int32
btint4cmp(int32 a, int32 b)
{
- if (a > b)
- return 1;
- else if (a == b)
- return 0;
- else
- return -1;
+ if (a > b)
+ return 1;
+ else if (a == b)
+ return 0;
+ else
+ return -1;
}
int32
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.56 2000/03/17 02:36:03 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.57 2000/04/12 17:14:49 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static InsertIndexResult _bt_insertonpg(Relation rel, Buffer buf, BTStack stack, int keysz, ScanKey scankey, BTItem btitem, BTItem afteritem);
static Buffer _bt_split(Relation rel, Size keysz, ScanKey scankey,
- Buffer buf, OffsetNumber firstright);
+ Buffer buf, OffsetNumber firstright);
static OffsetNumber _bt_findsplitloc(Relation rel, Size keysz, ScanKey scankey,
- Page page, OffsetNumber start,
- OffsetNumber maxoff, Size llimit);
+ Page page, OffsetNumber start,
+ OffsetNumber maxoff, Size llimit);
static void _bt_newroot(Relation rel, Buffer lbuf, Buffer rbuf);
static OffsetNumber _bt_pgaddtup(Relation rel, Buffer buf, int keysz, ScanKey itup_scankey, Size itemsize, BTItem btitem, BTItem afteritem);
static bool _bt_goesonpg(Relation rel, Buffer buf, Size keysz, ScanKey scankey, BTItem afteritem);
itemsz = IndexTupleDSize(btitem->bti_itup)
+ (sizeof(BTItemData) - sizeof(IndexTupleData));
- itemsz = MAXALIGN(itemsz); /* be safe, PageAddItem will do
- * this but we need to be
- * consistent */
+ itemsz = MAXALIGN(itemsz); /* be safe, PageAddItem will do this but
+ * we need to be consistent */
/*
- * Check whether the item can fit on a btree page at all.
- * (Eventually, we ought to try to apply TOAST methods if not.)
- * We actually need to be able to fit three items on every page,
- * so restrict any one item to 1/3 the per-page available space.
- * Note that at this point, itemsz doesn't include the ItemId.
+ * Check whether the item can fit on a btree page at all. (Eventually,
+ * we ought to try to apply TOAST methods if not.) We actually need to
+ * be able to fit three items on every page, so restrict any one item
+ * to 1/3 the per-page available space. Note that at this point,
+ * itemsz doesn't include the ItemId.
*/
- if (itemsz > (PageGetPageSize(page)-sizeof(PageHeaderData)-MAXALIGN(sizeof(BTPageOpaqueData)))/3 - sizeof(ItemIdData))
+ if (itemsz > (PageGetPageSize(page) - sizeof(PageHeaderData) - MAXALIGN(sizeof(BTPageOpaqueData))) / 3 - sizeof(ItemIdData))
elog(ERROR, "btree: index item size %u exceeds maximum %lu",
itemsz,
- (PageGetPageSize(page)-sizeof(PageHeaderData)-MAXALIGN(sizeof(BTPageOpaqueData)))/3 - sizeof(ItemIdData));
+ (PageGetPageSize(page) - sizeof(PageHeaderData) - MAXALIGN(sizeof(BTPageOpaqueData))) /3 - sizeof(ItemIdData));
/*
* If we have to insert item on the leftmost page which is the first
bool is_root = lpageop->btpo_flags & BTP_ROOT;
/*
- * Instead of splitting leaf page in the chain of duplicates
- * by new duplicate, insert it into some right page.
+ * Instead of splitting leaf page in the chain of duplicates by
+ * new duplicate, insert it into some right page.
*/
if ((lpageop->btpo_flags & BTP_CHAIN) &&
(lpageop->btpo_flags & BTP_LEAF) && keys_equal)
rbuf = _bt_getbuf(rel, lpageop->btpo_next, BT_WRITE);
rpage = BufferGetPage(rbuf);
rpageop = (BTPageOpaque) PageGetSpecialPointer(rpage);
- /*
- * some checks
+
+ /*
+ * some checks
*/
if (!P_RIGHTMOST(rpageop)) /* non-rightmost page */
{ /* If we have the same hikey here then
BTGreaterStrategyNumber))
elog(FATAL, "btree: hikey is out of order");
else if (rpageop->btpo_flags & BTP_CHAIN)
+
/*
* If hikey > scankey then it's last page in chain and
* BTP_CHAIN must be OFF
}
else
/* rightmost page */
- {
Assert(!(rpageop->btpo_flags & BTP_CHAIN));
- }
_bt_relbuf(rel, buf, BT_WRITE);
return (_bt_insertonpg(rel, rbuf, stack, keysz,
scankey, btitem, afteritem));
*/
if (!parent_chained &&
MAXALIGN(IndexTupleDSize(lowLeftItem->bti_itup)) ==
- MAXALIGN(IndexTupleDSize(stack->bts_btitem->bti_itup)))
+ MAXALIGN(IndexTupleDSize(stack->bts_btitem->bti_itup)))
{
_bt_updateitem(rel, keysz, pbuf,
stack->bts_btitem, lowLeftItem);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtpage.c,v 1.35 2000/01/26 05:55:58 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtpage.c,v 1.36 2000/04/12 17:14:49 momjian Exp $
*
* NOTES
* Postgres btree pages look like ordinary relation pages. The opaque
else
{
rootblkno = metad->btm_root;
- _bt_relbuf(rel, metabuf, BT_READ); /* done with the meta page */
+ _bt_relbuf(rel, metabuf, BT_READ); /* done with the meta page */
rootbuf = _bt_getbuf(rel, rootblkno, access);
}
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtree.c,v 1.53 2000/02/18 09:29:54 inoue Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtree.c,v 1.54 2000/04/12 17:14:49 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#endif
Node *pred,
*oldPred;
- BTSpool *spool = NULL;
+ BTSpool *spool = NULL;
bool isunique;
bool usefast;
#ifndef OMIT_PARTIAL_INDEX
/* SetSlotContents(slot, htup); */
slot->val = htup;
- if (! ExecQual((List *) pred, econtext, false))
+ if (!ExecQual((List *) pred, econtext, false))
continue;
#endif /* OMIT_PARTIAL_INDEX */
}
}
/*
- * if we are doing bottom-up btree build, finish the build by
- * (1) completing the sort of the spool file, (2) inserting the
- * sorted tuples into btree pages and (3) building the upper levels.
+ * if we are doing bottom-up btree build, finish the build by (1)
+ * completing the sort of the spool file, (2) inserting the sorted
+ * tuples into btree pages and (3) building the upper levels.
*/
if (usefast)
{
/*
* Since we just counted the tuples in the heap, we update its stats
* in pg_class to guarantee that the planner takes advantage of the
- * index we just created. But, only update statistics during
- * normal index definitions, not for indices on system catalogs
- * created during bootstrap processing. We must close the relations
- * before updating statistics to guarantee that the relcache entries
- * are flushed when we increment the command counter in UpdateStats().
- * But we do not release any locks on the relations; those will be
- * held until end of transaction.
+ * index we just created. But, only update statistics during normal
+ * index definitions, not for indices on system catalogs created
+ * during bootstrap processing. We must close the relations before
+ * updating statistics to guarantee that the relcache entries are
+ * flushed when we increment the command counter in UpdateStats(). But
+ * we do not release any locks on the relations; those will be held
+ * until end of transaction.
*/
if (IsNormalProcessingMode())
{
- Oid hrelid = RelationGetRelid(heap);
- Oid irelid = RelationGetRelid(index);
+ Oid hrelid = RelationGetRelid(heap);
+ Oid irelid = RelationGetRelid(index);
bool inplace = IsReindexProcessing();
heap_close(heap, NoLock);
index_close(index);
+
/*
- UpdateStats(hrelid, nhtups, true);
- UpdateStats(irelid, nitups, false);
- */
+ * UpdateStats(hrelid, nhtups, true); UpdateStats(irelid, nitups,
+ * false);
+ */
UpdateStats(hrelid, nhtups, inplace);
UpdateStats(irelid, nitups, inplace);
if (oldPred != NULL)
BTItem item;
BlockNumber blkno;
- LockBuffer(buf, BT_READ); /* lock buffer first! */
+ LockBuffer(buf, BT_READ); /* lock buffer first! */
page = BufferGetPage(buf);
maxoff = PageGetMaxOffsetNumber(page);
opaque = (BTPageOpaque) PageGetSpecialPointer(page);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/nbtree/Attic/nbtscan.c,v 1.30 2000/01/26 05:55:58 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/nbtree/Attic/nbtscan.c,v 1.31 2000/04/12 17:14:49 momjian Exp $
*
*
* NOTES
void
AtEOXact_nbtree(void)
{
- /* Note: these actions should only be necessary during xact abort;
- * but they can't hurt during a commit.
+
+ /*
+ * Note: these actions should only be necessary during xact abort; but
+ * they can't hurt during a commit.
*/
- /* Reset the active-scans list to empty.
- * We do not need to free the list elements, because they're all
- * palloc()'d, so they'll go away at end of transaction anyway.
+ /*
+ * Reset the active-scans list to empty. We do not need to free the
+ * list elements, because they're all palloc()'d, so they'll go away
+ * at end of transaction anyway.
*/
BTScans = NULL;
last = chk;
if (chk == (BTScanList) NULL)
- elog(ERROR, "btree scan list trashed; can't find 0x%p", (void*)scan);
+ elog(ERROR, "btree scan list trashed; can't find 0x%p", (void *) scan);
if (last == (BTScanList) NULL)
BTScans = chk->btsl_next;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtsearch.c,v 1.58 2000/03/17 02:36:04 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtsearch.c,v 1.59 2000/04/12 17:14:49 momjian Exp $
*
*-------------------------------------------------------------------------
*/
compare = -1; /* not-NULL key "<" NULL datum */
}
else
- {
compare = (int32) FMGR_PTR2(&entry->sk_func, keyDatum, attrDatum);
- }
if (compare != 0)
break; /* done when we find unequal attributes */
/*
* If there are no keys on the page, return the first available slot.
- * Note this covers two cases: the page is really empty (no keys),
- * or it contains only a high key. The latter case is possible after
+ * Note this covers two cases: the page is really empty (no keys), or
+ * it contains only a high key. The latter case is possible after
* vacuuming.
*/
if (high < low)
return low;
/*
- * Binary search to find the first key on the page >= scan key.
- * Loop invariant: all slots before 'low' are < scan key, all slots
- * at or after 'high' are >= scan key. Also, haveEq is true if the
- * tuple at 'high' is == scan key.
- * We can fall out when high == low.
+ * Binary search to find the first key on the page >= scan key. Loop
+ * invariant: all slots before 'low' are < scan key, all slots at or
+ * after 'high' are >= scan key. Also, haveEq is true if the tuple at
+ * 'high' is == scan key. We can fall out when high == low.
*/
high++; /* establish the loop invariant for high */
haveEq = false;
while (high > low)
{
- OffsetNumber mid = low + ((high - low) / 2);
+ OffsetNumber mid = low + ((high - low) / 2);
+
/* We have low <= mid < high, so mid points at a real slot */
result = _bt_compare(rel, itupdesc, page, keysz, scankey, mid);
/*--------------------
* At this point we have high == low, but be careful: they could point
- * past the last slot on the page. We also know that haveEq is true
+ * past the last slot on the page. We also know that haveEq is true
* if and only if there is an equal key (in which case high&low point
* at the first equal key).
*
if (haveEq)
{
+
/*
* There is an equal key. We return either the first equal key
* (which we just found), or the last lesser key.
*
- * We need not check srchtype != BT_DESCENT here, since if that
- * is true then natts == keysz by assumption.
+ * We need not check srchtype != BT_DESCENT here, since if that is
+ * true then natts == keysz by assumption.
*/
if (natts == keysz)
return low; /* return first equal key */
}
else
{
+
/*
* There is no equal key. We return either the first greater key
* (which we just found), or the last lesser key.
&& P_LEFTMOST(opaque)
&& offnum == P_HIKEY)
{
+
/*
* we just have to believe that this will only be called with
* offnum == P_HIKEY when P_HIKEY is the OffsetNumber of the first
bool strategyCheck;
ScanKey scankeys = 0;
- int keysCount = 0;
- int *nKeyIs = 0;
- int i, j;
- StrategyNumber strat_total;
-
+ int keysCount = 0;
+ int *nKeyIs = 0;
+ int i,
+ j;
+ StrategyNumber strat_total;
+
rel = scan->relation;
so = (BTScanOpaque) scan->opaque;
_bt_orderkeys(rel, so);
if (so->qual_ok)
- strategyCheck = true;
- }
+ strategyCheck = true;
+ }
strat_total = BTEqualStrategyNumber;
if (strategyCheck)
{
AttrNumber attno;
- nKeyIs = (int *)palloc(so->numberOfKeys*sizeof(int));
- for (i=0; i < so->numberOfKeys; i++)
+ nKeyIs = (int *) palloc(so->numberOfKeys * sizeof(int));
+ for (i = 0; i < so->numberOfKeys; i++)
{
attno = so->keyData[i].sk_attno;
if (attno == keysCount)
if (attno > keysCount + 1)
break;
strat = _bt_getstrat(rel, attno,
- so->keyData[i].sk_procedure);
+ so->keyData[i].sk_procedure);
if (strat == strat_total ||
- strat == BTEqualStrategyNumber)
+ strat == BTEqualStrategyNumber)
{
nKeyIs[keysCount++] = i;
continue;
}
if (ScanDirectionIsBackward(dir) &&
- (strat == BTLessStrategyNumber ||
- strat == BTLessEqualStrategyNumber) )
+ (strat == BTLessStrategyNumber ||
+ strat == BTLessEqualStrategyNumber))
{
nKeyIs[keysCount++] = i;
strat_total = strat;
continue;
}
if (ScanDirectionIsForward(dir) &&
- (strat == BTGreaterStrategyNumber ||
- strat == BTGreaterEqualStrategyNumber) )
+ (strat == BTGreaterStrategyNumber ||
+ strat == BTGreaterEqualStrategyNumber))
{
nKeyIs[keysCount++] = i;
strat_total = strat;
* at the right place in the scan.
*/
/* _bt_orderkeys disallows it, but it's place to add some code latter */
- scankeys = (ScanKey)palloc(keysCount*sizeof(ScanKeyData));
- for (i=0; i < keysCount; i++)
+ scankeys = (ScanKey) palloc(keysCount * sizeof(ScanKeyData));
+ for (i = 0; i < keysCount; i++)
{
j = nKeyIs[i];
if (so->keyData[j].sk_flags & SK_ISNULL)
pfree(scankeys);
elog(ERROR, "_bt_first: btree doesn't support is(not)null, yet");
return ((RetrieveIndexResult) NULL);
- }
- proc = index_getprocid(rel, i+1, BTORDER_PROC);
- ScanKeyEntryInitialize(scankeys+i, so->keyData[j].sk_flags,
- i+1, proc, so->keyData[j].sk_argument);
+ }
+ proc = index_getprocid(rel, i + 1, BTORDER_PROC);
+ ScanKeyEntryInitialize(scankeys + i, so->keyData[j].sk_flags,
+ i + 1, proc, so->keyData[j].sk_argument);
}
- if (nKeyIs) pfree(nKeyIs);
+ if (nKeyIs)
+ pfree(nKeyIs);
stack = _bt_search(rel, keysCount, scankeys, &buf);
_bt_freestack(stack);
*
* We use tuplesort.c to sort the given index tuples into order.
* Then we scan the index tuples in order and build the btree pages
- * for each level. When we have only one page on a level, it must be the
+ * for each level. When we have only one page on a level, it must be the
* root -- it can be attached to the btree metapage and we are done.
*
* this code is moderately slow (~10% slower) compared to the regular
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtsort.c,v 1.51 2000/02/18 06:32:39 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtsort.c,v 1.52 2000/04/12 17:14:49 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static void _bt_load(Relation index, BTSpool *btspool);
static BTItem _bt_buildadd(Relation index, Size keysz, ScanKey scankey,
- BTPageState *state, BTItem bti, int flags);
+ BTPageState *state, BTItem bti, int flags);
static BTItem _bt_minitem(Page opage, BlockNumber oblkno, int atend);
static BTPageState *_bt_pagestate(Relation index, int flags,
- int level, bool doupper);
+ int level, bool doupper);
static void _bt_uppershutdown(Relation index, Size keysz, ScanKey scankey,
- BTPageState *state);
+ BTPageState *state);
/*
/*
* create and initialize a spool structure
*/
-BTSpool *
+BTSpool *
_bt_spoolinit(Relation index, bool isunique)
{
BTSpool *btspool = (BTSpool *) palloc(sizeof(BTSpool));
btspool->sortstate = tuplesort_begin_index(index, isunique, false);
/*
- * Currently, tuplesort provides sort functions on IndexTuples.
- * If we kept anything in a BTItem other than a regular IndexTuple,
- * we'd need to modify tuplesort to understand BTItems as such.
+ * Currently, tuplesort provides sort functions on IndexTuples. If we
+ * kept anything in a BTItem other than a regular IndexTuple, we'd
+ * need to modify tuplesort to understand BTItems as such.
*/
Assert(sizeof(BTItemData) == sizeof(IndexTupleData));
btisz = MAXALIGN(btisz);
/*
- * Check whether the item can fit on a btree page at all.
- * (Eventually, we ought to try to apply TOAST methods if not.)
- * We actually need to be able to fit three items on every page,
- * so restrict any one item to 1/3 the per-page available space.
- * Note that at this point, btisz doesn't include the ItemId.
+ * Check whether the item can fit on a btree page at all. (Eventually,
+ * we ought to try to apply TOAST methods if not.) We actually need to
+ * be able to fit three items on every page, so restrict any one item
+ * to 1/3 the per-page available space. Note that at this point, btisz
+ * doesn't include the ItemId.
*
* NOTE: similar code appears in _bt_insertonpg() to defend against
- * oversize items being inserted into an already-existing index.
- * But during creation of an index, we don't go through there.
+ * oversize items being inserted into an already-existing index. But
+ * during creation of an index, we don't go through there.
*/
- if (btisz > (PageGetPageSize(npage)-sizeof(PageHeaderData)-MAXALIGN(sizeof(BTPageOpaqueData)))/3 - sizeof(ItemIdData))
+ if (btisz > (PageGetPageSize(npage) - sizeof(PageHeaderData) - MAXALIGN(sizeof(BTPageOpaqueData))) / 3 - sizeof(ItemIdData))
elog(ERROR, "btree: index item size %d exceeds maximum %ld",
btisz,
- (PageGetPageSize(npage)-sizeof(PageHeaderData)-MAXALIGN(sizeof(BTPageOpaqueData)))/3 - sizeof(ItemIdData));
+ (PageGetPageSize(npage) - sizeof(PageHeaderData) - MAXALIGN(sizeof(BTPageOpaqueData))) /3 - sizeof(ItemIdData));
if (pgspc < btisz)
{
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtutils.c,v 1.35 2000/02/18 06:32:39 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtutils.c,v 1.36 2000/04/12 17:14:50 momjian Exp $
*
*-------------------------------------------------------------------------
*/
uint16 numberOfKeys = so->numberOfKeys;
uint16 new_numberOfKeys = 0;
AttrNumber attno = 1;
- bool equalStrategyEnd, underEqualStrategy;
+ bool equalStrategyEnd,
+ underEqualStrategy;
if (numberOfKeys < 1)
return;
elog(ERROR, "_bt_orderkeys: key(s) for attribute %d missed", attno + 1);
underEqualStrategy = (!equalStrategyEnd);
+
/*
* If = has been specified, no other key will be used. In case
* of key < 2 && key == 1 and so on we have to set qual_ok to
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/rtree/Attic/rtree.c,v 1.44 2000/03/01 05:39:23 inoue Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/rtree/Attic/rtree.c,v 1.45 2000/04/12 17:14:51 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef OMIT_PARTIAL_INDEX
/* SetSlotContents(slot, htup); */
slot->val = htup;
- if (! ExecQual((List *) pred, econtext, false))
+ if (!ExecQual((List *) pred, econtext, false))
continue;
#endif /* OMIT_PARTIAL_INDEX */
}
/*
* Since we just counted the tuples in the heap, we update its stats
* in pg_class to guarantee that the planner takes advantage of the
- * index we just created. But, only update statistics during
- * normal index definitions, not for indices on system catalogs
- * created during bootstrap processing. We must close the relations
- * before updating statistics to guarantee that the relcache entries
- * are flushed when we increment the command counter in UpdateStats().
- * But we do not release any locks on the relations; those will be
- * held until end of transaction.
+ * index we just created. But, only update statistics during normal
+ * index definitions, not for indices on system catalogs created
+ * during bootstrap processing. We must close the relations before
+ * updating statistics to guarantee that the relcache entries are
+ * flushed when we increment the command counter in UpdateStats(). But
+ * we do not release any locks on the relations; those will be held
+ * until end of transaction.
*/
if (IsNormalProcessingMode())
{
- Oid hrelid = RelationGetRelid(heap);
- Oid irelid = RelationGetRelid(index);
+ Oid hrelid = RelationGetRelid(heap);
+ Oid irelid = RelationGetRelid(index);
bool inplace = IsReindexProcessing();
heap_close(heap, NoLock);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/rtree/Attic/rtscan.c,v 1.31 2000/01/26 05:56:00 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/rtree/Attic/rtscan.c,v 1.32 2000/04/12 17:14:51 momjian Exp $
*
*-------------------------------------------------------------------------
*/
prev = l;
if (l == (RTScanList) NULL)
- elog(ERROR, "rtree scan list corrupted -- cannot find 0x%p", (void*)s);
+ elog(ERROR, "rtree scan list corrupted -- cannot find 0x%p", (void *) s);
if (prev == (RTScanList) NULL)
RTScans = l->rtsl_next;
#include "postgres.h"
#include "access/rmgr.h"
-RmgrData *RmgrTable = NULL;
+RmgrData *RmgrTable = NULL;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/transam/transam.c,v 1.33 2000/01/26 05:56:03 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/transam/transam.c,v 1.34 2000/04/12 17:14:52 momjian Exp $
*
* NOTES
* This file contains the high level access-method interface to the
if (!fail)
{
+
/*
* DO NOT cache status for transactions in unknown state !!!
*/
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/transam/varsup.c,v 1.27 2000/03/31 02:43:31 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/transam/varsup.c,v 1.28 2000/04/12 17:14:53 momjian Exp $
*
*-------------------------------------------------------------------------
*/
SpinAcquire(OidGenLockId); /* not good for concurrency... */
/*
- * Note that we don't check is ShmemVariableCache->xid_count equal
- * to 0 or not. This will work as long as we don't call
+ * Note that we don't check is ShmemVariableCache->xid_count equal to
+ * 0 or not. This will work as long as we don't call
* ReadNewTransactionId() before GetNewTransactionId().
*/
if (ShmemVariableCache->nextXid == 0)
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.63 2000/04/09 04:43:16 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.64 2000/04/12 17:14:53 momjian Exp $
*
* NOTES
* Transaction aborts can now occur two ways:
#include "utils/portal.h"
#include "utils/relcache.h"
-extern bool SharedBufferChanged;
+extern bool SharedBufferChanged;
static void AbortTransaction(void);
static void AtAbort_Cache(void);
CurrentTransactionStateData.scanCommandId = CurrentTransactionStateData.commandId;
/*
- * make cache changes visible to me. AtCommit_LocalCache()
- * instead of AtCommit_Cache() is called here.
+ * make cache changes visible to me. AtCommit_LocalCache() instead of
+ * AtCommit_Cache() is called here.
*/
AtCommit_LocalCache();
AtStart_Cache();
*/
xid = GetCurrentTransactionId();
- /*
- * flush the buffer manager pages. Note: if we have stable
- * main memory, dirty shared buffers are not flushed
- * plai 8/7/90
+ /*
+ * flush the buffer manager pages. Note: if we have stable main
+ * memory, dirty shared buffers are not flushed plai 8/7/90
*/
leak = BufferPoolCheckLeak();
/*
- * If no one shared buffer was changed by this transaction then
- * we don't flush shared buffers and don't record commit status.
+ * If no one shared buffer was changed by this transaction then we
+ * don't flush shared buffers and don't record commit status.
*/
if (SharedBufferChanged)
{
ResetBufferPool(true);
/*
- * have the transaction access methods record the status
- * of this transaction id in the pg_log relation.
+ * have the transaction access methods record the status of this
+ * transaction id in the pg_log relation.
*/
TransactionIdCommit(xid);
/*
- * Now write the log info to the disk too.
+ * Now write the log info to the disk too.
*/
leak = BufferPoolCheckLeak();
FlushBufferPool();
*/
xid = GetCurrentTransactionId();
- /*
- * Have the transaction access methods record the status of
- * this transaction id in the pg_log relation. We skip it
- * if no one shared buffer was changed by this transaction.
+ /*
+ * Have the transaction access methods record the status of this
+ * transaction id in the pg_log relation. We skip it if no one shared
+ * buffer was changed by this transaction.
*/
if (SharedBufferChanged && !TransactionIdDidCommit(xid))
TransactionIdAbort(xid);
/* ----------------
* Tell the trigger manager that this transaction is about to be
* committed. He'll invoke all trigger deferred until XACT before
- * we really start on committing the transaction.
+ * we really start on committing the transaction.
* ----------------
*/
DeferredTriggerEndXact();
RecordTransactionCommit();
/*
- * Let others know about no transaction in progress by me.
- * Note that this must be done _before_ releasing locks we hold
- * and SpinAcquire(SInvalLock) is required: UPDATE with xid 0 is
- * blocked by xid 1' UPDATE, xid 1 is doing commit while xid 2
- * gets snapshot - if xid 2' GetSnapshotData sees xid 1 as running
- * then it must see xid 0 as running as well or it will see two
- * tuple versions - one deleted by xid 1 and one inserted by xid 0.
+ * Let others know about no transaction in progress by me. Note that
+ * this must be done _before_ releasing locks we hold and
+ * SpinAcquire(SInvalLock) is required: UPDATE with xid 0 is blocked
+ * by xid 1' UPDATE, xid 1 is doing commit while xid 2 gets snapshot -
+ * if xid 2' GetSnapshotData sees xid 1 as running then it must see
+ * xid 0 as running as well or it will see two tuple versions - one
+ * deleted by xid 1 and one inserted by xid 0.
*/
if (MyProc != (PROC *) NULL)
{
* ----------------
*/
s->state = TRANS_DEFAULT;
- SharedBufferChanged = false; /* safest place to do it */
+ SharedBufferChanged = false;/* safest place to do it */
}
/* ----------------
* Tell the trigger manager that this transaction is about to be
- * aborted.
+ * aborted.
* ----------------
*/
DeferredTriggerAbortXact();
* ----------------
*/
s->state = TRANS_DEFAULT;
- SharedBufferChanged = false; /* safest place to do it */
+ SharedBufferChanged = false;/* safest place to do it */
}
/* --------------------------------
-/*-------------------------------------------------------------------------
+/*-------------------------------------------------------------------------
*
* xlog.c
*
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.12 2000/03/20 07:25:39 vadim Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.13 2000/04/12 17:14:53 momjian Exp $
*
*-------------------------------------------------------------------------
*/
SPINLOCK ControlFileLockId;
SPINLOCK XidGenLockId;
-extern bool ReleaseDataFile(void);
+extern bool ReleaseDataFile(void);
-extern VariableCache ShmemVariableCache;
+extern VariableCache ShmemVariableCache;
-#define MinXLOGbuffers 4
+#define MinXLOGbuffers 4
typedef struct XLgwrRqst
{
- XLogRecPtr Write; /* byte (1-based) to write out */
- XLogRecPtr Flush; /* byte (1-based) to flush */
+ XLogRecPtr Write; /* byte (1-based) to write out */
+ XLogRecPtr Flush; /* byte (1-based) to flush */
} XLgwrRqst;
typedef struct XLgwrResult
{
- XLogRecPtr Write; /* bytes written out */
- XLogRecPtr Flush; /* bytes flushed */
+ XLogRecPtr Write; /* bytes written out */
+ XLogRecPtr Flush; /* bytes flushed */
} XLgwrResult;
typedef struct XLogCtlInsert
{
- XLgwrResult LgwrResult;
- XLogRecPtr PrevRecord;
- uint16 curridx; /* current block index in cache */
- XLogPageHeader currpage;
- char *currpos;
+ XLgwrResult LgwrResult;
+ XLogRecPtr PrevRecord;
+ uint16 curridx; /* current block index in cache */
+ XLogPageHeader currpage;
+ char *currpos;
} XLogCtlInsert;
typedef struct XLogCtlWrite
{
- XLgwrResult LgwrResult;
- uint16 curridx; /* index of next block to write */
+ XLgwrResult LgwrResult;
+ uint16 curridx; /* index of next block to write */
} XLogCtlWrite;
#ifndef HAS_TEST_AND_SET
-#define TAS(lck) 0
-#define S_UNLOCK(lck)
-#define S_INIT_LOCK(lck)
+#define TAS(lck) 0
+#define S_UNLOCK(lck)
+#define S_INIT_LOCK(lck)
#endif
typedef struct XLogCtlData
{
- XLogCtlInsert Insert;
- XLgwrRqst LgwrRqst;
- XLgwrResult LgwrResult;
- XLogCtlWrite Write;
- char *pages;
- XLogRecPtr *xlblocks; /* 1st byte ptr-s + BLCKSZ */
- uint32 XLogCacheByte;
- uint32 XLogCacheBlck;
+ XLogCtlInsert Insert;
+ XLgwrRqst LgwrRqst;
+ XLgwrResult LgwrResult;
+ XLogCtlWrite Write;
+ char *pages;
+ XLogRecPtr *xlblocks; /* 1st byte ptr-s + BLCKSZ */
+ uint32 XLogCacheByte;
+ uint32 XLogCacheBlck;
#ifdef HAS_TEST_AND_SET
- slock_t insert_lck;
- slock_t info_lck;
- slock_t lgwr_lck;
+ slock_t insert_lck;
+ slock_t info_lck;
+ slock_t lgwr_lck;
#endif
} XLogCtlData;
-static XLogCtlData *XLogCtl = NULL;
+static XLogCtlData *XLogCtl = NULL;
typedef enum DBState
{
typedef struct ControlFileData
{
- uint32 logId; /* current log file id */
- uint32 logSeg; /* current log file segment (1-based) */
- XLogRecPtr checkPoint; /* last check point record ptr */
- time_t time; /* time stamp of last modification */
- DBState state; /* */
+ uint32 logId; /* current log file id */
+ uint32 logSeg; /* current log file segment (1-based) */
+ XLogRecPtr checkPoint; /* last check point record ptr */
+ time_t time; /* time stamp of last modification */
+ DBState state; /* */
/*
- * this data is used to make sure that configuration of this DB
- * is compatible with the current backend
+ * this data is used to make sure that configuration of this DB is
+ * compatible with the current backend
*/
- uint32 blcksz; /* block size for this DB */
- uint32 relseg_size; /* blocks per segment of large relation */
- uint32 catalog_version_no; /* internal version number */
+ uint32 blcksz; /* block size for this DB */
+ uint32 relseg_size; /* blocks per segment of large relation */
+ uint32 catalog_version_no; /* internal version number */
/*
- * MORE DATA FOLLOWS AT THE END OF THIS STRUCTURE
- * - locations of data dirs
+ * MORE DATA FOLLOWS AT THE END OF THIS STRUCTURE - locations of data
+ * dirs
*/
} ControlFileData;
-static ControlFileData *ControlFile = NULL;
+static ControlFileData *ControlFile = NULL;
typedef struct CheckPoint
{
- XLogRecPtr redo; /* next RecPtr available when we */
- /* began to create CheckPoint */
- /* (i.e. REDO start point) */
- XLogRecPtr undo; /* first record of oldest in-progress */
- /* transaction when we started */
- /* (i.e. UNDO end point) */
- TransactionId nextXid;
- Oid nextOid;
+ XLogRecPtr redo; /* next RecPtr available when we */
+ /* began to create CheckPoint */
+ /* (i.e. REDO start point) */
+ XLogRecPtr undo; /* first record of oldest in-progress */
+ /* transaction when we started */
+ /* (i.e. UNDO end point) */
+ TransactionId nextXid;
+ Oid nextOid;
} CheckPoint;
-/*
- * We break each log file in 16Mb segments
+/*
+ * We break each log file in 16Mb segments
*/
#define XLogSegSize (16*1024*1024)
-#define XLogLastSeg (0xffffffff / XLogSegSize)
-#define XLogFileSize (XLogLastSeg * XLogSegSize)
+#define XLogLastSeg (0xffffffff / XLogSegSize)
+#define XLogFileSize (XLogLastSeg * XLogSegSize)
-#define XLogFileName(path, log, seg) \
+#define XLogFileName(path, log, seg) \
snprintf(path, MAXPGPATH, "%s%c%08X%08X", \
XLogDir, SEP_CHAR, log, seg)
-#define PrevBufIdx(curridx) \
+#define PrevBufIdx(curridx) \
((curridx == 0) ? XLogCtl->XLogCacheBlck : (curridx - 1))
-#define NextBufIdx(curridx) \
+#define NextBufIdx(curridx) \
((curridx == XLogCtl->XLogCacheBlck) ? 0 : (curridx + 1))
-#define XLByteLT(left, right) \
+#define XLByteLT(left, right) \
(right.xlogid > left.xlogid || \
(right.xlogid == left.xlogid && right.xrecoff > left.xrecoff))
-#define XLByteLE(left, right) \
+#define XLByteLE(left, right) \
(right.xlogid > left.xlogid || \
(right.xlogid == left.xlogid && right.xrecoff >= left.xrecoff))
-#define XLByteEQ(left, right) \
+#define XLByteEQ(left, right) \
(right.xlogid == left.xlogid && right.xrecoff == left.xrecoff)
-#define InitXLBuffer(curridx) (\
+#define InitXLBuffer(curridx) (\
XLogCtl->xlblocks[curridx].xrecoff = \
(XLogCtl->xlblocks[Insert->curridx].xrecoff == XLogFileSize) ? \
BLCKSZ : (XLogCtl->xlblocks[Insert->curridx].xrecoff + BLCKSZ), \
Insert->currpage->xlp_info = 0 \
)
-#define XRecOffIsValid(xrecoff) \
+#define XRecOffIsValid(xrecoff) \
(xrecoff % BLCKSZ >= SizeOfXLogPHD && \
(BLCKSZ - xrecoff % BLCKSZ) >= SizeOfXLogRecord)
-static void GetFreeXLBuffer(void);
-static void XLogWrite(char *buffer);
-static int XLogFileInit(uint32 log, uint32 seg);
-static int XLogFileOpen(uint32 log, uint32 seg, bool econt);
-static XLogRecord *ReadRecord(XLogRecPtr *RecPtr, char *buffer);
-static char *str_time(time_t tnow);
-
-static XLgwrResult LgwrResult = {{0, 0}, {0, 0}};
-static XLgwrRqst LgwrRqst = {{0, 0}, {0, 0}};
-
-static int logFile = -1;
-static uint32 logId = 0;
-static uint32 logSeg = 0;
-static uint32 logOff = 0;
-
-static XLogRecPtr ReadRecPtr;
-static XLogRecPtr EndRecPtr;
-static int readFile = -1;
-static uint32 readId = 0;
-static uint32 readSeg = 0;
-static uint32 readOff = 0;
-static char readBuf[BLCKSZ];
-static XLogRecord *nextRecord = NULL;
+static void GetFreeXLBuffer(void);
+static void XLogWrite(char *buffer);
+static int XLogFileInit(uint32 log, uint32 seg);
+static int XLogFileOpen(uint32 log, uint32 seg, bool econt);
+static XLogRecord *ReadRecord(XLogRecPtr *RecPtr, char *buffer);
+static char *str_time(time_t tnow);
+
+static XLgwrResult LgwrResult = {{0, 0}, {0, 0}};
+static XLgwrRqst LgwrRqst = {{0, 0}, {0, 0}};
+
+static int logFile = -1;
+static uint32 logId = 0;
+static uint32 logSeg = 0;
+static uint32 logOff = 0;
+
+static XLogRecPtr ReadRecPtr;
+static XLogRecPtr EndRecPtr;
+static int readFile = -1;
+static uint32 readId = 0;
+static uint32 readSeg = 0;
+static uint32 readOff = 0;
+static char readBuf[BLCKSZ];
+static XLogRecord *nextRecord = NULL;
XLogRecPtr
XLogInsert(RmgrId rmid, char *hdr, uint32 hdrlen, char *buf, uint32 buflen)
{
- XLogCtlInsert *Insert = &XLogCtl->Insert;
- XLogRecord *record;
- XLogSubRecord *subrecord;
- XLogRecPtr RecPtr;
- uint32 len = hdrlen + buflen,
- freespace,
- wlen;
- uint16 curridx;
- bool updrqst = false;
+ XLogCtlInsert *Insert = &XLogCtl->Insert;
+ XLogRecord *record;
+ XLogSubRecord *subrecord;
+ XLogRecPtr RecPtr;
+ uint32 len = hdrlen + buflen,
+ freespace,
+ wlen;
+ uint16 curridx;
+ bool updrqst = false;
if (len == 0 || len > MAXLOGRECSZ)
elog(STOP, "XLogInsert: invalid record len %u", len);
bool do_lgwr = true;
unsigned i = 0;
- for ( ; ; )
+ for (;;)
{
/* try to read LgwrResult while waiting for insert lock */
if (!TAS(&(XLogCtl->info_lck)))
LgwrRqst = XLogCtl->LgwrRqst;
LgwrResult = XLogCtl->LgwrResult;
S_UNLOCK(&(XLogCtl->info_lck));
+
/*
* If cache is half filled then try to acquire lgwr lock
* and do LGWR work, but only once.
*/
- if (do_lgwr &&
- (LgwrRqst.Write.xlogid != LgwrResult.Write.xlogid ||
- (LgwrRqst.Write.xrecoff - LgwrResult.Write.xrecoff >=
- XLogCtl->XLogCacheByte / 2)))
+ if (do_lgwr &&
+ (LgwrRqst.Write.xlogid != LgwrResult.Write.xlogid ||
+ (LgwrRqst.Write.xrecoff - LgwrResult.Write.xrecoff >=
+ XLogCtl->XLogCacheByte / 2)))
{
if (!TAS(&(XLogCtl->lgwr_lck)))
{
}
}
- freespace = ((char*) Insert->currpage) + BLCKSZ - Insert->currpos;
+ freespace = ((char *) Insert->currpage) + BLCKSZ - Insert->currpos;
if (freespace < SizeOfXLogRecord)
{
curridx = NextBufIdx(Insert->curridx);
if (XLByteLE(XLogCtl->xlblocks[curridx], LgwrResult.Write))
InitXLBuffer(curridx);
- else
+ else
GetFreeXLBuffer();
freespace = BLCKSZ - SizeOfXLogPHD;
}
curridx = Insert->curridx;
freespace -= SizeOfXLogRecord;
- record = (XLogRecord*) Insert->currpos;
+ record = (XLogRecord *) Insert->currpos;
record->xl_prev = Insert->PrevRecord;
if (rmid != RM_XLOG_ID)
record->xl_xact_prev = MyLastRecPtr;
record->xl_info = (len > freespace) ? XLR_TO_BE_CONTINUED : 0;
record->xl_rmid = rmid;
RecPtr.xlogid = XLogCtl->xlblocks[curridx].xlogid;
- RecPtr.xrecoff =
- XLogCtl->xlblocks[curridx].xrecoff - BLCKSZ +
- Insert->currpos - ((char*) Insert->currpage);
+ RecPtr.xrecoff =
+ XLogCtl->xlblocks[curridx].xrecoff - BLCKSZ +
+ Insert->currpos - ((char *) Insert->currpage);
if (MyLastRecPtr.xrecoff == 0 && rmid != RM_XLOG_ID)
{
SpinAcquire(SInvalLock);
buf += wlen;
Insert->currpos += wlen;
}
- Insert->currpos = ((char*)Insert->currpage) +
- DOUBLEALIGN(Insert->currpos - ((char*)Insert->currpage));
+ Insert->currpos = ((char *) Insert->currpage) +
+ DOUBLEALIGN(Insert->currpos - ((char *) Insert->currpage));
len = hdrlen + buflen;
}
}
freespace = BLCKSZ - SizeOfXLogPHD - SizeOfXLogSubRecord;
Insert->currpage->xlp_info |= XLP_FIRST_IS_SUBRECORD;
- subrecord = (XLogSubRecord*) Insert->currpos;
+ subrecord = (XLogSubRecord *) Insert->currpos;
Insert->currpos += SizeOfXLogSubRecord;
if (hdrlen > freespace)
{
}
subrecord->xl_info = 0;
RecPtr.xlogid = XLogCtl->xlblocks[curridx].xlogid;
- RecPtr.xrecoff = XLogCtl->xlblocks[curridx].xrecoff -
- BLCKSZ + SizeOfXLogPHD + subrecord->xl_len;
- Insert->currpos = ((char*)Insert->currpage) +
- DOUBLEALIGN(Insert->currpos - ((char*)Insert->currpage));
+ RecPtr.xrecoff = XLogCtl->xlblocks[curridx].xrecoff -
+ BLCKSZ + SizeOfXLogPHD + subrecord->xl_len;
+ Insert->currpos = ((char *) Insert->currpage) +
+ DOUBLEALIGN(Insert->currpos - ((char *) Insert->currpage));
}
- freespace = ((char*) Insert->currpage) + BLCKSZ - Insert->currpos;
+ freespace = ((char *) Insert->currpage) + BLCKSZ - Insert->currpos;
+
/*
* All done! Update global LgwrRqst if some block was filled up.
*/
if (freespace < SizeOfXLogRecord)
- updrqst = true; /* curridx is filled and available for writing out */
+ updrqst = true; /* curridx is filled and available for
+ * writing out */
else
curridx = PrevBufIdx(curridx);
LgwrRqst.Write = XLogCtl->xlblocks[curridx];
{
unsigned i = 0;
- for ( ; ; )
+ for (;;)
{
if (!TAS(&(XLogCtl->info_lck)))
{
}
return (RecPtr);
-}
+}
void
XLogFlush(XLogRecPtr record)
{
- XLogRecPtr WriteRqst;
- char buffer[BLCKSZ];
- char *usebuf = NULL;
- unsigned i = 0;
- bool force_lgwr = false;
+ XLogRecPtr WriteRqst;
+ char buffer[BLCKSZ];
+ char *usebuf = NULL;
+ unsigned i = 0;
+ bool force_lgwr = false;
if (XLByteLE(record, LgwrResult.Flush))
return;
WriteRqst = LgwrRqst.Write;
- for ( ; ; )
+ for (;;)
{
/* try to read LgwrResult */
if (!TAS(&(XLogCtl->info_lck)))
/* if something was added to log cache then try to flush this too */
if (!TAS(&(XLogCtl->insert_lck)))
{
- XLogCtlInsert *Insert = &XLogCtl->Insert;
- uint32 freespace =
- ((char*) Insert->currpage) + BLCKSZ - Insert->currpos;
+ XLogCtlInsert *Insert = &XLogCtl->Insert;
+ uint32 freespace =
+ ((char *) Insert->currpage) + BLCKSZ - Insert->currpos;
if (freespace < SizeOfXLogRecord) /* buffer is full */
{
memcpy(usebuf, Insert->currpage, BLCKSZ - freespace);
memset(usebuf + BLCKSZ - freespace, 0, freespace);
WriteRqst = XLogCtl->xlblocks[Insert->curridx];
- WriteRqst.xrecoff = WriteRqst.xrecoff - BLCKSZ +
- Insert->currpos - ((char*) Insert->currpage);
+ WriteRqst.xrecoff = WriteRqst.xrecoff - BLCKSZ +
+ Insert->currpos - ((char *) Insert->currpage);
}
S_UNLOCK(&(XLogCtl->insert_lck));
force_lgwr = true;
}
- if (force_lgwr || WriteRqst.xlogid > record.xlogid ||
- (WriteRqst.xlogid == record.xlogid &&
+ if (force_lgwr || WriteRqst.xlogid > record.xlogid ||
+ (WriteRqst.xlogid == record.xlogid &&
WriteRqst.xrecoff >= record.xrecoff + BLCKSZ))
{
if (!TAS(&(XLogCtl->lgwr_lck)))
s_lock_sleep(i++);
}
- if (logFile >= 0 && (LgwrResult.Write.xlogid != logId ||
- (LgwrResult.Write.xrecoff - 1) / XLogSegSize != logSeg))
+ if (logFile >= 0 && (LgwrResult.Write.xlogid != logId ||
+ (LgwrResult.Write.xrecoff - 1) / XLogSegSize != logSeg))
{
if (close(logFile) != 0)
- elog(STOP, "Close(logfile %u seg %u) failed: %d",
- logId, logSeg, errno);
+ elog(STOP, "Close(logfile %u seg %u) failed: %d",
+ logId, logSeg, errno);
logFile = -1;
}
}
if (fsync(logFile) != 0)
- elog(STOP, "Fsync(logfile %u seg %u) failed: %d",
- logId, logSeg, errno);
+ elog(STOP, "Fsync(logfile %u seg %u) failed: %d",
+ logId, logSeg, errno);
LgwrResult.Flush = LgwrResult.Write;
- for (i = 0; ; )
+ for (i = 0;;)
{
if (!TAS(&(XLogCtl->info_lck)))
{
static void
GetFreeXLBuffer()
{
- XLogCtlInsert *Insert = &XLogCtl->Insert;
- XLogCtlWrite *Write = &XLogCtl->Write;
- uint16 curridx = NextBufIdx(Insert->curridx);
+ XLogCtlInsert *Insert = &XLogCtl->Insert;
+ XLogCtlWrite *Write = &XLogCtl->Write;
+ uint16 curridx = NextBufIdx(Insert->curridx);
LgwrRqst.Write = XLogCtl->xlblocks[Insert->curridx];
- for ( ; ; )
+ for (;;)
{
if (!TAS(&(XLogCtl->info_lck)))
{
return;
}
}
+
/*
* LgwrResult lock is busy or un-updated. Try to acquire lgwr lock
* and write full blocks.
InitXLBuffer(curridx);
return;
}
- /*
- * Have to write buffers while holding insert lock -
- * not good...
+
+ /*
+ * Have to write buffers while holding insert lock - not
+ * good...
*/
XLogWrite(NULL);
S_UNLOCK(&(XLogCtl->lgwr_lck));
static void
XLogWrite(char *buffer)
{
- XLogCtlWrite *Write = &XLogCtl->Write;
- char *from;
- uint32 wcnt = 0;
- int i = 0;
+ XLogCtlWrite *Write = &XLogCtl->Write;
+ char *from;
+ uint32 wcnt = 0;
+ int i = 0;
- for ( ; XLByteLT(LgwrResult.Write, LgwrRqst.Write); )
+ for (; XLByteLT(LgwrResult.Write, LgwrRqst.Write);)
{
LgwrResult.Write = XLogCtl->xlblocks[Write->curridx];
- if (LgwrResult.Write.xlogid != logId ||
+ if (LgwrResult.Write.xlogid != logId ||
(LgwrResult.Write.xrecoff - 1) / XLogSegSize != logSeg)
{
if (wcnt > 0)
{
if (fsync(logFile) != 0)
- elog(STOP, "Fsync(logfile %u seg %u) failed: %d",
- logId, logSeg, errno);
+ elog(STOP, "Fsync(logfile %u seg %u) failed: %d",
+ logId, logSeg, errno);
if (LgwrResult.Write.xlogid != logId)
LgwrResult.Flush.xrecoff = XLogFileSize;
else
if (logFile >= 0)
{
if (close(logFile) != 0)
- elog(STOP, "Close(logfile %u seg %u) failed: %d",
- logId, logSeg, errno);
+ elog(STOP, "Close(logfile %u seg %u) failed: %d",
+ logId, logSeg, errno);
logFile = -1;
}
logId = LgwrResult.Write.xlogid;
if (logOff != (LgwrResult.Write.xrecoff - BLCKSZ) % XLogSegSize)
{
logOff = (LgwrResult.Write.xrecoff - BLCKSZ) % XLogSegSize;
- if (lseek(logFile, (off_t)logOff, SEEK_SET) < 0)
- elog(STOP, "Lseek(logfile %u seg %u off %u) failed: %d",
- logId, logSeg, logOff, errno);
+ if (lseek(logFile, (off_t) logOff, SEEK_SET) < 0)
+ elog(STOP, "Lseek(logfile %u seg %u off %u) failed: %d",
+ logId, logSeg, logOff, errno);
}
if (buffer != NULL && XLByteLT(LgwrRqst.Write, LgwrResult.Write))
from = XLogCtl->pages + Write->curridx * BLCKSZ;
if (write(logFile, from, BLCKSZ) != BLCKSZ)
- elog(STOP, "Write(logfile %u seg %u off %u) failed: %d",
- logId, logSeg, logOff, errno);
+ elog(STOP, "Write(logfile %u seg %u off %u) failed: %d",
+ logId, logSeg, logOff, errno);
wcnt++;
logOff += BLCKSZ;
if (wcnt == 0)
elog(STOP, "XLogWrite: nothing written");
- if (XLByteLT(LgwrResult.Flush, LgwrRqst.Flush) &&
+ if (XLByteLT(LgwrResult.Flush, LgwrRqst.Flush) &&
XLByteLE(LgwrRqst.Flush, LgwrResult.Write))
{
if (fsync(logFile) != 0)
- elog(STOP, "Fsync(logfile %u seg %u) failed: %d",
- logId, logSeg, errno);
+ elog(STOP, "Fsync(logfile %u seg %u) failed: %d",
+ logId, logSeg, errno);
LgwrResult.Flush = LgwrResult.Write;
}
- for ( ; ; )
+ for (;;)
{
if (!TAS(&(XLogCtl->info_lck)))
{
static int
XLogFileInit(uint32 log, uint32 seg)
{
- char path[MAXPGPATH];
- int fd;
+ char path[MAXPGPATH];
+ int fd;
XLogFileName(path, log, seg);
unlink(path);
tryAgain:
#ifndef __CYGWIN__
- fd = open(path, O_RDWR|O_CREAT|O_EXCL, S_IRUSR|S_IWUSR);
+ fd = open(path, O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
#else
- fd = open(path, O_RDWR|O_CREAT|O_EXCL|O_BINARY, S_IRUSR|S_IWUSR);
+ fd = open(path, O_RDWR | O_CREAT | O_EXCL | O_BINARY, S_IRUSR | S_IWUSR);
#endif
if (fd < 0 && (errno == EMFILE || errno == ENFILE))
{
fd = errno;
if (!ReleaseDataFile())
- elog(STOP, "Create(logfile %u seg %u) failed: %d (and no one data file can be closed)",
- logId, logSeg, fd);
+ elog(STOP, "Create(logfile %u seg %u) failed: %d (and no one data file can be closed)",
+ logId, logSeg, fd);
goto tryAgain;
}
if (fd < 0)
- elog(STOP, "Init(logfile %u seg %u) failed: %d",
- logId, logSeg, errno);
+ elog(STOP, "Init(logfile %u seg %u) failed: %d",
+ logId, logSeg, errno);
if (lseek(fd, XLogSegSize - 1, SEEK_SET) != (off_t) (XLogSegSize - 1))
- elog(STOP, "Lseek(logfile %u seg %u) failed: %d",
- logId, logSeg, errno);
+ elog(STOP, "Lseek(logfile %u seg %u) failed: %d",
+ logId, logSeg, errno);
if (write(fd, "", 1) != 1)
- elog(STOP, "Init(logfile %u seg %u) failed: %d",
- logId, logSeg, errno);
+ elog(STOP, "Init(logfile %u seg %u) failed: %d",
+ logId, logSeg, errno);
if (fsync(fd) != 0)
- elog(STOP, "Fsync(logfile %u seg %u) failed: %d",
- logId, logSeg, errno);
+ elog(STOP, "Fsync(logfile %u seg %u) failed: %d",
+ logId, logSeg, errno);
if (lseek(fd, 0, SEEK_SET) < 0)
- elog(STOP, "Lseek(logfile %u seg %u off %u) failed: %d",
- log, seg, 0, errno);
+ elog(STOP, "Lseek(logfile %u seg %u off %u) failed: %d",
+ log, seg, 0, errno);
- return(fd);
+ return (fd);
}
static int
XLogFileOpen(uint32 log, uint32 seg, bool econt)
{
- char path[MAXPGPATH];
- int fd;
+ char path[MAXPGPATH];
+ int fd;
XLogFileName(path, log, seg);
{
fd = errno;
if (!ReleaseDataFile())
- elog(STOP, "Open(logfile %u seg %u) failed: %d (and no one data file can be closed)",
- logId, logSeg, fd);
+ elog(STOP, "Open(logfile %u seg %u) failed: %d (and no one data file can be closed)",
+ logId, logSeg, fd);
goto tryAgain;
}
if (fd < 0)
if (econt && errno == ENOENT)
{
elog(LOG, "Open(logfile %u seg %u) failed: file doesn't exist",
- logId, logSeg);
+ logId, logSeg);
return (fd);
}
- elog(STOP, "Open(logfile %u seg %u) failed: %d",
- logId, logSeg, errno);
+ elog(STOP, "Open(logfile %u seg %u) failed: %d",
+ logId, logSeg, errno);
}
- return(fd);
+ return (fd);
}
-static XLogRecord*
+static XLogRecord *
ReadRecord(XLogRecPtr *RecPtr, char *buffer)
{
- XLogRecord *record;
- XLogRecPtr tmpRecPtr = EndRecPtr;
- bool nextmode = (RecPtr == NULL);
- int emode = (nextmode) ? LOG : STOP;
- bool noBlck = false;
+ XLogRecord *record;
+ XLogRecPtr tmpRecPtr = EndRecPtr;
+ bool nextmode = (RecPtr == NULL);
+ int emode = (nextmode) ? LOG : STOP;
+ bool noBlck = false;
if (nextmode)
{
}
else if (!XRecOffIsValid(RecPtr->xrecoff))
elog(STOP, "ReadRecord: invalid record offset in (%u, %u)",
- RecPtr->xlogid, RecPtr->xrecoff);
+ RecPtr->xlogid, RecPtr->xrecoff);
- if (readFile >= 0 && (RecPtr->xlogid != readId ||
- RecPtr->xrecoff / XLogSegSize != readSeg))
+ if (readFile >= 0 && (RecPtr->xlogid != readId ||
+ RecPtr->xrecoff / XLogSegSize != readSeg))
{
close(readFile);
readFile = -1;
if (noBlck || readOff != (RecPtr->xrecoff % XLogSegSize) / BLCKSZ)
{
readOff = (RecPtr->xrecoff % XLogSegSize) / BLCKSZ;
- if (lseek(readFile, (off_t)(readOff * BLCKSZ), SEEK_SET) < 0)
- elog(STOP, "ReadRecord: lseek(logfile %u seg %u off %u) failed: %d",
- readId, readSeg, readOff, errno);
+ if (lseek(readFile, (off_t) (readOff * BLCKSZ), SEEK_SET) < 0)
+ elog(STOP, "ReadRecord: lseek(logfile %u seg %u off %u) failed: %d",
+ readId, readSeg, readOff, errno);
if (read(readFile, readBuf, BLCKSZ) != BLCKSZ)
- elog(STOP, "ReadRecord: read(logfile %u seg %u off %u) failed: %d",
- readId, readSeg, readOff, errno);
- if (((XLogPageHeader)readBuf)->xlp_magic != XLOG_PAGE_MAGIC)
+ elog(STOP, "ReadRecord: read(logfile %u seg %u off %u) failed: %d",
+ readId, readSeg, readOff, errno);
+ if (((XLogPageHeader) readBuf)->xlp_magic != XLOG_PAGE_MAGIC)
{
elog(emode, "ReadRecord: invalid magic number %u in logfile %u seg %u off %u",
- ((XLogPageHeader)readBuf)->xlp_magic,
- readId, readSeg, readOff);
+ ((XLogPageHeader) readBuf)->xlp_magic,
+ readId, readSeg, readOff);
goto next_record_is_invalid;
}
}
- if ((((XLogPageHeader)readBuf)->xlp_info & XLP_FIRST_IS_SUBRECORD) &&
+ if ((((XLogPageHeader) readBuf)->xlp_info & XLP_FIRST_IS_SUBRECORD) &&
RecPtr->xrecoff % BLCKSZ == SizeOfXLogPHD)
{
elog(emode, "ReadRecord: subrecord is requested by (%u, %u)",
- RecPtr->xlogid, RecPtr->xrecoff);
+ RecPtr->xlogid, RecPtr->xrecoff);
goto next_record_is_invalid;
}
- record = (XLogRecord*)((char*) readBuf + RecPtr->xrecoff % BLCKSZ);
+ record = (XLogRecord *) ((char *) readBuf + RecPtr->xrecoff % BLCKSZ);
got_record:;
- if (record->xl_len == 0 || record->xl_len >
+ if (record->xl_len == 0 || record->xl_len >
(BLCKSZ - RecPtr->xrecoff % BLCKSZ - SizeOfXLogRecord))
{
elog(emode, "ReadRecord: invalid record len %u in (%u, %u)",
- record->xl_len, RecPtr->xlogid, RecPtr->xrecoff);
+ record->xl_len, RecPtr->xlogid, RecPtr->xrecoff);
goto next_record_is_invalid;
}
if (record->xl_rmid > RM_MAX_ID)
{
elog(emode, "ReadRecord: invalid resource managed id %u in (%u, %u)",
- record->xl_rmid, RecPtr->xlogid, RecPtr->xrecoff);
+ record->xl_rmid, RecPtr->xlogid, RecPtr->xrecoff);
goto next_record_is_invalid;
}
nextRecord = NULL;
if (record->xl_info & XLR_TO_BE_CONTINUED)
{
- XLogSubRecord *subrecord;
- uint32 len = record->xl_len;
+ XLogSubRecord *subrecord;
+ uint32 len = record->xl_len;
if (record->xl_len + RecPtr->xrecoff % BLCKSZ + SizeOfXLogRecord != BLCKSZ)
{
elog(emode, "ReadRecord: invalid fragmented record len %u in (%u, %u)",
- record->xl_len, RecPtr->xlogid, RecPtr->xrecoff);
+ record->xl_len, RecPtr->xlogid, RecPtr->xrecoff);
goto next_record_is_invalid;
}
memcpy(buffer, record, record->xl_len + SizeOfXLogRecord);
- record = (XLogRecord*) buffer;
+ record = (XLogRecord *) buffer;
buffer += record->xl_len + SizeOfXLogRecord;
- for ( ; ; )
+ for (;;)
{
readOff++;
if (readOff == XLogSegSize / BLCKSZ)
goto next_record_is_invalid;
}
if (read(readFile, readBuf, BLCKSZ) != BLCKSZ)
- elog(STOP, "ReadRecord: read(logfile %u seg %u off %u) failed: %d",
- readId, readSeg, readOff, errno);
- if (((XLogPageHeader)readBuf)->xlp_magic != XLOG_PAGE_MAGIC)
+ elog(STOP, "ReadRecord: read(logfile %u seg %u off %u) failed: %d",
+ readId, readSeg, readOff, errno);
+ if (((XLogPageHeader) readBuf)->xlp_magic != XLOG_PAGE_MAGIC)
{
elog(emode, "ReadRecord: invalid magic number %u in logfile %u seg %u off %u",
- ((XLogPageHeader)readBuf)->xlp_magic,
- readId, readSeg, readOff);
+ ((XLogPageHeader) readBuf)->xlp_magic,
+ readId, readSeg, readOff);
goto next_record_is_invalid;
}
- if (!(((XLogPageHeader)readBuf)->xlp_info & XLP_FIRST_IS_SUBRECORD))
+ if (!(((XLogPageHeader) readBuf)->xlp_info & XLP_FIRST_IS_SUBRECORD))
{
elog(emode, "ReadRecord: there is no subrecord flag in logfile %u seg %u off %u",
- readId, readSeg, readOff);
+ readId, readSeg, readOff);
goto next_record_is_invalid;
}
- subrecord = (XLogSubRecord*)((char*) readBuf + SizeOfXLogPHD);
- if (subrecord->xl_len == 0 || subrecord->xl_len >
+ subrecord = (XLogSubRecord *) ((char *) readBuf + SizeOfXLogPHD);
+ if (subrecord->xl_len == 0 || subrecord->xl_len >
(BLCKSZ - SizeOfXLogPHD - SizeOfXLogSubRecord))
{
elog(emode, "ReadRecord: invalid subrecord len %u in logfile %u seg %u off %u",
- subrecord->xl_len, readId, readSeg, readOff);
+ subrecord->xl_len, readId, readSeg, readOff);
goto next_record_is_invalid;
}
len += subrecord->xl_len;
if (len > MAXLOGRECSZ)
{
elog(emode, "ReadRecord: too long record len %u in (%u, %u)",
- len, RecPtr->xlogid, RecPtr->xrecoff);
+ len, RecPtr->xlogid, RecPtr->xrecoff);
goto next_record_is_invalid;
}
- memcpy(buffer, (char*)subrecord + SizeOfXLogSubRecord, subrecord->xl_len);
+ memcpy(buffer, (char *) subrecord + SizeOfXLogSubRecord, subrecord->xl_len);
buffer += subrecord->xl_len;
if (subrecord->xl_info & XLR_TO_BE_CONTINUED)
{
- if (subrecord->xl_len +
+ if (subrecord->xl_len +
SizeOfXLogPHD + SizeOfXLogSubRecord != BLCKSZ)
{
elog(emode, "ReadRecord: invalid fragmented subrecord len %u in logfile %u seg %u off %u",
- subrecord->xl_len, readId, readSeg, readOff);
+ subrecord->xl_len, readId, readSeg, readOff);
goto next_record_is_invalid;
}
continue;
}
break;
}
- if (BLCKSZ - SizeOfXLogRecord >=
+ if (BLCKSZ - SizeOfXLogRecord >=
subrecord->xl_len + SizeOfXLogPHD + SizeOfXLogSubRecord)
{
- nextRecord = (XLogRecord*)
- ((char*)subrecord + subrecord->xl_len + SizeOfXLogSubRecord);
+ nextRecord = (XLogRecord *)
+ ((char *) subrecord + subrecord->xl_len + SizeOfXLogSubRecord);
}
EndRecPtr.xlogid = readId;
- EndRecPtr.xrecoff = readSeg * XLogSegSize + readOff * BLCKSZ +
+ EndRecPtr.xrecoff = readSeg * XLogSegSize + readOff * BLCKSZ +
SizeOfXLogPHD + SizeOfXLogSubRecord + subrecord->xl_len;
ReadRecPtr = *RecPtr;
- return(record);
+ return (record);
}
- if (BLCKSZ - SizeOfXLogRecord >=
+ if (BLCKSZ - SizeOfXLogRecord >=
record->xl_len + RecPtr->xrecoff % BLCKSZ + SizeOfXLogRecord)
- {
- nextRecord = (XLogRecord*)((char*)record + record->xl_len + SizeOfXLogRecord);
- }
+ nextRecord = (XLogRecord *) ((char *) record + record->xl_len + SizeOfXLogRecord);
EndRecPtr.xlogid = RecPtr->xlogid;
EndRecPtr.xrecoff = RecPtr->xrecoff + record->xl_len + SizeOfXLogRecord;
ReadRecPtr = *RecPtr;
- return(record);
+ return (record);
next_record_is_invalid:;
close(readFile);
readFile = -1;
nextRecord = NULL;
memset(buffer, 0, SizeOfXLogRecord);
- record = (XLogRecord*) buffer;
+ record = (XLogRecord *) buffer;
+
/*
* If we assumed that next record began on the same page where
* previous one ended - zero end of page.
*/
if (XLByteEQ(tmpRecPtr, EndRecPtr))
{
- Assert (EndRecPtr.xrecoff % BLCKSZ > (SizeOfXLogPHD + SizeOfXLogSubRecord) &&
- BLCKSZ - EndRecPtr.xrecoff % BLCKSZ >= SizeOfXLogRecord);
+ Assert(EndRecPtr.xrecoff % BLCKSZ > (SizeOfXLogPHD + SizeOfXLogSubRecord) &&
+ BLCKSZ - EndRecPtr.xrecoff % BLCKSZ >= SizeOfXLogRecord);
readId = EndRecPtr.xlogid;
readSeg = EndRecPtr.xrecoff / XLogSegSize;
readOff = (EndRecPtr.xrecoff % XLogSegSize) / BLCKSZ;
elog(LOG, "Formatting logfile %u seg %u block %u at offset %u",
- readId, readSeg, readOff, EndRecPtr.xrecoff % BLCKSZ);
+ readId, readSeg, readOff, EndRecPtr.xrecoff % BLCKSZ);
readFile = XLogFileOpen(readId, readSeg, false);
- if (lseek(readFile, (off_t)(readOff * BLCKSZ), SEEK_SET) < 0)
- elog(STOP, "ReadRecord: lseek(logfile %u seg %u off %u) failed: %d",
- readId, readSeg, readOff, errno);
+ if (lseek(readFile, (off_t) (readOff * BLCKSZ), SEEK_SET) < 0)
+ elog(STOP, "ReadRecord: lseek(logfile %u seg %u off %u) failed: %d",
+ readId, readSeg, readOff, errno);
if (read(readFile, readBuf, BLCKSZ) != BLCKSZ)
- elog(STOP, "ReadRecord: read(logfile %u seg %u off %u) failed: %d",
- readId, readSeg, readOff, errno);
- memset(readBuf + EndRecPtr.xrecoff % BLCKSZ, 0,
- BLCKSZ - EndRecPtr.xrecoff % BLCKSZ);
- if (lseek(readFile, (off_t)(readOff * BLCKSZ), SEEK_SET) < 0)
- elog(STOP, "ReadRecord: lseek(logfile %u seg %u off %u) failed: %d",
- readId, readSeg, readOff, errno);
+ elog(STOP, "ReadRecord: read(logfile %u seg %u off %u) failed: %d",
+ readId, readSeg, readOff, errno);
+ memset(readBuf + EndRecPtr.xrecoff % BLCKSZ, 0,
+ BLCKSZ - EndRecPtr.xrecoff % BLCKSZ);
+ if (lseek(readFile, (off_t) (readOff * BLCKSZ), SEEK_SET) < 0)
+ elog(STOP, "ReadRecord: lseek(logfile %u seg %u off %u) failed: %d",
+ readId, readSeg, readOff, errno);
if (write(readFile, readBuf, BLCKSZ) != BLCKSZ)
- elog(STOP, "ReadRecord: write(logfile %u seg %u off %u) failed: %d",
- readId, readSeg, readOff, errno);
+ elog(STOP, "ReadRecord: write(logfile %u seg %u off %u) failed: %d",
+ readId, readSeg, readOff, errno);
readOff++;
}
else
{
- Assert (EndRecPtr.xrecoff % BLCKSZ == 0 ||
- BLCKSZ - EndRecPtr.xrecoff % BLCKSZ < SizeOfXLogRecord);
+ Assert(EndRecPtr.xrecoff % BLCKSZ == 0 ||
+ BLCKSZ - EndRecPtr.xrecoff % BLCKSZ < SizeOfXLogRecord);
readId = tmpRecPtr.xlogid;
readSeg = tmpRecPtr.xrecoff / XLogSegSize;
readOff = (tmpRecPtr.xrecoff % XLogSegSize) / BLCKSZ;
{
if (!XLByteEQ(tmpRecPtr, EndRecPtr))
elog(LOG, "Formatting logfile %u seg %u block %u at offset 0",
- readId, readSeg, readOff);
+ readId, readSeg, readOff);
readOff *= BLCKSZ;
memset(readBuf, 0, BLCKSZ);
readFile = XLogFileOpen(readId, readSeg, false);
- if (lseek(readFile, (off_t)readOff, SEEK_SET) < 0)
- elog(STOP, "ReadRecord: lseek(logfile %u seg %u off %u) failed: %d",
- readId, readSeg, readOff, errno);
+ if (lseek(readFile, (off_t) readOff, SEEK_SET) < 0)
+ elog(STOP, "ReadRecord: lseek(logfile %u seg %u off %u) failed: %d",
+ readId, readSeg, readOff, errno);
while (readOff < XLogSegSize)
{
if (write(readFile, readBuf, BLCKSZ) != BLCKSZ)
- elog(STOP, "ReadRecord: write(logfile %u seg %u off %u) failed: %d",
- readId, readSeg, readOff, errno);
+ elog(STOP, "ReadRecord: write(logfile %u seg %u off %u) failed: %d",
+ readId, readSeg, readOff, errno);
readOff += BLCKSZ;
}
}
if (readFile >= 0)
{
if (fsync(readFile) < 0)
- elog(STOP, "ReadRecord: fsync(logfile %u seg %u) failed: %d",
- readId, readSeg, errno);
+ elog(STOP, "ReadRecord: fsync(logfile %u seg %u) failed: %d",
+ readId, readSeg, errno);
close(readFile);
readFile = -1;
}
readId++;
}
{
- char path[MAXPGPATH];
+ char path[MAXPGPATH];
XLogFileName(path, readId, readSeg);
unlink(path);
}
- return(record);
+ return (record);
}
void
UpdateControlFile()
{
- int fd;
+ int fd;
tryAgain:
#ifndef __CYGWIN__
{
fd = errno;
if (!ReleaseDataFile())
- elog(STOP, "Open(cntlfile) failed: %d (and no one data file can be closed)",
- fd);
+ elog(STOP, "Open(cntlfile) failed: %d (and no one data file can be closed)",
+ fd);
goto tryAgain;
}
if (fd < 0)
if (XLOGbuffers < MinXLOGbuffers)
XLOGbuffers = MinXLOGbuffers;
- return(sizeof(XLogCtlData) + BLCKSZ * XLOGbuffers +
+ return (sizeof(XLogCtlData) + BLCKSZ * XLOGbuffers +
sizeof(XLogRecPtr) * XLOGbuffers + BLCKSZ);
}
void
XLOGShmemInit(void)
{
- bool found;
+ bool found;
if (XLOGbuffers < MinXLOGbuffers)
XLOGbuffers = MinXLOGbuffers;
- ControlFile = (ControlFileData*)
+ ControlFile = (ControlFileData *)
ShmemInitStruct("Control File", BLCKSZ, &found);
Assert(!found);
- XLogCtl = (XLogCtlData*)
- ShmemInitStruct("XLOG Ctl", sizeof(XLogCtlData) + BLCKSZ * XLOGbuffers +
+ XLogCtl = (XLogCtlData *)
+ ShmemInitStruct("XLOG Ctl", sizeof(XLogCtlData) + BLCKSZ * XLOGbuffers +
sizeof(XLogRecPtr) * XLOGbuffers, &found);
Assert(!found);
}
void
BootStrapXLOG()
{
- int fd;
- char buffer[BLCKSZ];
- CheckPoint checkPoint;
+ int fd;
+ char buffer[BLCKSZ];
+ CheckPoint checkPoint;
#ifdef NOT_USED
- XLogPageHeader page = (XLogPageHeader)buffer;
- XLogRecord *record;
+ XLogPageHeader page = (XLogPageHeader) buffer;
+ XLogRecord *record;
+
#endif
#ifndef __CYGWIN__
- fd = open(ControlFilePath, O_RDWR|O_CREAT|O_EXCL, S_IRUSR|S_IWUSR);
+ fd = open(ControlFilePath, O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
#else
- fd = open(ControlFilePath, O_RDWR|O_CREAT|O_EXCL|O_BINARY, S_IRUSR|S_IWUSR);
+ fd = open(ControlFilePath, O_RDWR | O_CREAT | O_EXCL | O_BINARY, S_IRUSR | S_IWUSR);
#endif
if (fd < 0)
- elog(STOP, "BootStrapXLOG failed to create control file (%s): %d",
- ControlFilePath, errno);
+ elog(STOP, "BootStrapXLOG failed to create control file (%s): %d",
+ ControlFilePath, errno);
checkPoint.redo.xlogid = 0;
checkPoint.redo.xrecoff = SizeOfXLogPHD;
checkPoint.undo = checkPoint.redo;
checkPoint.nextXid = FirstTransactionId;
- checkPoint.nextOid = BootstrapObjectIdData;
+ checkPoint.nextOid = BootstrapObjectIdData;
#ifdef NOT_USED
memset(buffer, 0, BLCKSZ);
page->xlp_magic = XLOG_PAGE_MAGIC;
page->xlp_info = 0;
- record = (XLogRecord*) ((char*)page + SizeOfXLogPHD);
- record->xl_prev.xlogid = 0; record->xl_prev.xrecoff = 0;
+ record = (XLogRecord *) ((char *) page + SizeOfXLogPHD);
+ record->xl_prev.xlogid = 0;
+ record->xl_prev.xrecoff = 0;
record->xl_xact_prev = record->xl_prev;
record->xl_xid = InvalidTransactionId;
record->xl_len = sizeof(checkPoint);
record->xl_info = 0;
record->xl_rmid = RM_XLOG_ID;
- memcpy((char*)record + SizeOfXLogRecord, &checkPoint, sizeof(checkPoint));
+ memcpy((char *) record + SizeOfXLogRecord, &checkPoint, sizeof(checkPoint));
logFile = XLogFileInit(0, 0);
#endif
memset(buffer, 0, BLCKSZ);
- ControlFile = (ControlFileData*) buffer;
+ ControlFile = (ControlFileData *) buffer;
ControlFile->logId = 0;
ControlFile->logSeg = 1;
ControlFile->checkPoint = checkPoint.redo;
close(fd);
}
-static char*
+static char *
str_time(time_t tnow)
{
- char *result = ctime(&tnow);
- char *p = strchr(result, '\n');
+ char *result = ctime(&tnow);
+ char *p = strchr(result, '\n');
if (p != NULL)
*p = 0;
- return(result);
+ return (result);
}
/*
StartupXLOG()
{
#ifdef NOT_USED
- XLogCtlInsert *Insert;
- CheckPoint checkPoint;
- XLogRecPtr RecPtr,
- LastRec;
- XLogRecord *record;
- char buffer[MAXLOGRECSZ+SizeOfXLogRecord];
- int recovery = 0;
- bool sie_saved = false;
+ XLogCtlInsert *Insert;
+ CheckPoint checkPoint;
+ XLogRecPtr RecPtr,
+ LastRec;
+ XLogRecord *record;
+ char buffer[MAXLOGRECSZ + SizeOfXLogRecord];
+ int recovery = 0;
+ bool sie_saved = false;
+
#endif
- int fd;
+ int fd;
elog(LOG, "Data Base System is starting up at %s", str_time(time(NULL)));
- XLogCtl->xlblocks = (XLogRecPtr*) (((char *)XLogCtl) + sizeof(XLogCtlData));
- XLogCtl->pages = ((char *)XLogCtl->xlblocks + sizeof(XLogRecPtr) * XLOGbuffers);
+ XLogCtl->xlblocks = (XLogRecPtr *) (((char *) XLogCtl) + sizeof(XLogCtlData));
+ XLogCtl->pages = ((char *) XLogCtl->xlblocks + sizeof(XLogRecPtr) * XLOGbuffers);
XLogCtl->XLogCacheByte = BLCKSZ * XLOGbuffers;
XLogCtl->XLogCacheBlck = XLOGbuffers - 1;
memset(XLogCtl->xlblocks, 0, sizeof(XLogRecPtr) * XLOGbuffers);
{
fd = errno;
if (!ReleaseDataFile())
- elog(STOP, "Open(\"%s\") failed: %d (and no one data file can be closed)",
- ControlFilePath, fd);
+ elog(STOP, "Open(\"%s\") failed: %d (and no one data file can be closed)",
+ ControlFilePath, fd);
goto tryAgain;
}
if (fd < 0)
close(fd);
- if (ControlFile->logSeg == 0 ||
- ControlFile->time <= 0 ||
- ControlFile->state < DB_SHUTDOWNED ||
- ControlFile->state > DB_IN_PRODUCTION ||
+ if (ControlFile->logSeg == 0 ||
+ ControlFile->time <= 0 ||
+ ControlFile->state < DB_SHUTDOWNED ||
+ ControlFile->state > DB_IN_PRODUCTION ||
!XRecOffIsValid(ControlFile->checkPoint.xrecoff))
elog(STOP, "Control file context is broken");
if (ControlFile->state == DB_SHUTDOWNED)
elog(LOG, "Data Base System was shut down at %s",
- str_time(ControlFile->time));
+ str_time(ControlFile->time));
else if (ControlFile->state == DB_SHUTDOWNING)
elog(LOG, "Data Base System was interrupted when shutting down at %s",
- str_time(ControlFile->time));
+ str_time(ControlFile->time));
else if (ControlFile->state == DB_IN_RECOVERY)
{
elog(LOG, "Data Base System was interrupted being in recovery at %s\n"
- "\tThis propably means that some data blocks are corrupted\n"
- "\tAnd you will have to use last backup for recovery",
- str_time(ControlFile->time));
+ "\tThis propably means that some data blocks are corrupted\n"
+ "\tAnd you will have to use last backup for recovery",
+ str_time(ControlFile->time));
}
else if (ControlFile->state == DB_IN_PRODUCTION)
elog(LOG, "Data Base System was interrupted being in production at %s",
- str_time(ControlFile->time));
+ str_time(ControlFile->time));
#ifdef NOT_USED
elog(STOP, "Invalid RMID in checkPoint record");
if (record->xl_len != sizeof(checkPoint))
elog(STOP, "Invalid length of checkPoint record");
- checkPoint = *((CheckPoint*)((char*)record + SizeOfXLogRecord));
+ checkPoint = *((CheckPoint *) ((char *) record + SizeOfXLogRecord));
elog(LOG, "Redo record at (%u, %u); Undo record at (%u, %u)",
- checkPoint.redo.xlogid, checkPoint.redo.xrecoff,
- checkPoint.undo.xlogid, checkPoint.undo.xrecoff);
+ checkPoint.redo.xlogid, checkPoint.redo.xrecoff,
+ checkPoint.undo.xlogid, checkPoint.undo.xrecoff);
elog(LOG, "NextTransactionId: %u; NextOid: %u",
- checkPoint.nextXid, checkPoint.nextOid);
- if (checkPoint.nextXid < FirstTransactionId ||
+ checkPoint.nextXid, checkPoint.nextOid);
+ if (checkPoint.nextXid < FirstTransactionId ||
checkPoint.nextOid < BootstrapObjectIdData)
#ifdef XLOG
elog(STOP, "Invalid NextTransactionId/NextOid");
if (recovery > 0)
{
elog(LOG, "The DataBase system was not properly shut down\n"
- "\tAutomatic recovery is in progress...");
+ "\tAutomatic recovery is in progress...");
ControlFile->state = DB_IN_RECOVERY;
ControlFile->time = time(NULL);
UpdateControlFile();
/* Is REDO required ? */
if (XLByteLT(checkPoint.redo, RecPtr))
record = ReadRecord(&(checkPoint.redo), buffer);
- else /* read past CheckPoint record */
+ else
+/* read past CheckPoint record */
record = ReadRecord(NULL, buffer);
/* REDO */
if (record->xl_len != 0)
{
- elog(LOG, "Redo starts at (%u, %u)",
- ReadRecPtr.xlogid, ReadRecPtr.xrecoff);
+ elog(LOG, "Redo starts at (%u, %u)",
+ ReadRecPtr.xlogid, ReadRecPtr.xrecoff);
do
{
#ifdef XLOG
RmgrTable[record->xl_rmid].rm_redo(EndRecPtr, record);
record = ReadRecord(NULL, buffer);
} while (record->xl_len != 0);
- elog(LOG, "Redo done at (%u, %u)",
- ReadRecPtr.xlogid, ReadRecPtr.xrecoff);
+ elog(LOG, "Redo done at (%u, %u)",
+ ReadRecPtr.xlogid, ReadRecPtr.xrecoff);
LastRec = ReadRecPtr;
}
else
RecPtr = ReadRecPtr;
if (XLByteLT(checkPoint.undo, RecPtr))
{
- elog(LOG, "Undo starts at (%u, %u)",
- RecPtr.xlogid, RecPtr.xrecoff);
+ elog(LOG, "Undo starts at (%u, %u)",
+ RecPtr.xlogid, RecPtr.xrecoff);
do
{
record = ReadRecord(&RecPtr, buffer);
- if (TransactionIdIsValid(record->xl_xid) &&
+ if (TransactionIdIsValid(record->xl_xid) &&
!TransactionIdDidCommit(record->xl_xid))
RmgrTable[record->xl_rmid].rm_undo(record);
RecPtr = record->xl_prev;
} while (XLByteLE(checkPoint.undo, RecPtr));
- elog(LOG, "Undo done at (%u, %u)",
- ReadRecPtr.xlogid, ReadRecPtr.xrecoff);
+ elog(LOG, "Undo done at (%u, %u)",
+ ReadRecPtr.xlogid, ReadRecPtr.xrecoff);
}
else
{
logOff = 0;
logFile = XLogFileOpen(logId, logSeg, false);
XLogCtl->xlblocks[0].xlogid = logId;
- XLogCtl->xlblocks[0].xrecoff =
- ((EndRecPtr.xrecoff - 1) / BLCKSZ + 1) * BLCKSZ;
+ XLogCtl->xlblocks[0].xrecoff =
+ ((EndRecPtr.xrecoff - 1) / BLCKSZ + 1) * BLCKSZ;
Insert = &XLogCtl->Insert;
- memcpy((char*)(Insert->currpage), readBuf, BLCKSZ);
- Insert->currpos = ((char*) Insert->currpage) +
+ memcpy((char *) (Insert->currpage), readBuf, BLCKSZ);
+ Insert->currpos = ((char *) Insert->currpage) +
(EndRecPtr.xrecoff + BLCKSZ - XLogCtl->xlblocks[0].xrecoff);
Insert->PrevRecord = ControlFile->checkPoint;
if (recovery > 0)
{
- int i;
+ int i;
- /*
+ /*
* Let resource managers know that recovery is done
*/
for (i = 0; i <= RM_MAX_ID; i++)
StopIfError = sie_saved;
}
-#endif /* NOT_USED */
+#endif /* NOT_USED */
ControlFile->state = DB_IN_PRODUCTION;
ControlFile->time = time(NULL);
CreateCheckPoint(bool shutdown)
{
#ifdef NOT_USED
- CheckPoint checkPoint;
- XLogRecPtr recptr;
- XLogCtlInsert *Insert = &XLogCtl->Insert;
- uint32 freespace;
- uint16 curridx;
+ CheckPoint checkPoint;
+ XLogRecPtr recptr;
+ XLogCtlInsert *Insert = &XLogCtl->Insert;
+ uint32 freespace;
+ uint16 curridx;
memset(&checkPoint, 0, sizeof(checkPoint));
if (shutdown)
elog(STOP, "XLog insert lock is busy while data base is shutting down");
(void) select(0, NULL, NULL, NULL, &delay);
}
- freespace = ((char*) Insert->currpage) + BLCKSZ - Insert->currpos;
+ freespace = ((char *) Insert->currpage) + BLCKSZ - Insert->currpos;
if (freespace < SizeOfXLogRecord)
{
curridx = NextBufIdx(Insert->curridx);
if (XLByteLE(XLogCtl->xlblocks[curridx], LgwrResult.Write))
InitXLBuffer(curridx);
- else
+ else
GetFreeXLBuffer();
freespace = BLCKSZ - SizeOfXLogPHD;
}
else
curridx = Insert->curridx;
checkPoint.redo.xlogid = XLogCtl->xlblocks[curridx].xlogid;
- checkPoint.redo.xrecoff = XLogCtl->xlblocks[curridx].xrecoff - BLCKSZ +
- Insert->currpos - ((char*) Insert->currpage);
+ checkPoint.redo.xrecoff = XLogCtl->xlblocks[curridx].xrecoff - BLCKSZ +
+ Insert->currpos - ((char *) Insert->currpage);
S_UNLOCK(&(XLogCtl->insert_lck));
SpinAcquire(XidGenLockId);
if (shutdown && checkPoint.undo.xrecoff != 0)
elog(STOP, "Active transaction while data base is shutting down");
- recptr = XLogInsert(RM_XLOG_ID, (char*)&checkPoint, sizeof(checkPoint), NULL, 0);
+ recptr = XLogInsert(RM_XLOG_ID, (char *) &checkPoint, sizeof(checkPoint), NULL, 0);
if (shutdown && !XLByteEQ(checkPoint.redo, MyLastRecPtr))
elog(STOP, "XLog concurrent activity while data base is shutting down");
XLogFlush(recptr);
-#endif /* NOT_USED */
+#endif /* NOT_USED */
SpinAcquire(ControlFileLockId);
if (shutdown)
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/bootstrap/bootstrap.c,v 1.80 2000/02/18 09:28:39 inoue Exp $
+ * $Header: /cvsroot/pgsql/src/backend/bootstrap/bootstrap.c,v 1.81 2000/04/12 17:14:54 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#define ALLOC(t, c) (t *)calloc((unsigned)(c), sizeof(t))
-extern void BaseInit(void);
-extern void StartupXLOG(void);
-extern void ShutdownXLOG(void);
-extern void BootStrapXLOG(void);
+extern void BaseInit(void);
+extern void StartupXLOG(void);
+extern void ShutdownXLOG(void);
+extern void BootStrapXLOG(void);
-extern char XLogDir[];
-extern char ControlFilePath[];
+extern char XLogDir[];
+extern char ControlFilePath[];
extern int Int_yyparse(void);
static hashnode *AddStr(char *str, int strlength, int mderef);
{"char", CHAROID, 0, 1, F_CHARIN, F_CHAROUT},
{"name", NAMEOID, 0, NAMEDATALEN, F_NAMEIN, F_NAMEOUT},
{"int2", INT2OID, 0, 2, F_INT2IN, F_INT2OUT},
- {"int2vector", INT2VECTOROID, 0, INDEX_MAX_KEYS*2, F_INT2VECTORIN, F_INT2VECTOROUT},
+ {"int2vector", INT2VECTOROID, 0, INDEX_MAX_KEYS * 2, F_INT2VECTORIN, F_INT2VECTOROUT},
{"int4", INT4OID, 0, 4, F_INT4IN, F_INT4OUT},
{"regproc", REGPROCOID, 0, 4, F_REGPROCIN, F_REGPROCOUT},
{"text", TEXTOID, 0, -1, F_TEXTIN, F_TEXTOUT},
{"tid", TIDOID, 0, 6, F_TIDIN, F_TIDOUT},
{"xid", XIDOID, 0, 4, F_XIDIN, F_XIDOUT},
{"cid", CIDOID, 0, 4, F_CIDIN, F_CIDOUT},
- {"oidvector", 30, 0, INDEX_MAX_KEYS*4, F_OIDVECTORIN, F_OIDVECTOROUT},
+ {"oidvector", 30, 0, INDEX_MAX_KEYS * 4, F_OIDVECTORIN, F_OIDVECTOROUT},
{"smgr", 210, 0, 2, F_SMGRIN, F_SMGROUT},
{"_int4", 1007, INT4OID, -1, F_ARRAY_IN, F_ARRAY_OUT},
{"_aclitem", 1034, 1033, -1, F_ARRAY_IN, F_ARRAY_OUT}
}
/*
- * Bootstrap under Postmaster means two things:
- * (xloginit) ? StartupXLOG : ShutdownXLOG
+ * Bootstrap under Postmaster means two things: (xloginit) ?
+ * StartupXLOG : ShutdownXLOG
*
* If !under Postmaster and xloginit then BootStrapXLOG.
*/
}
if (!IsUnderPostmaster && xloginit)
- {
BootStrapXLOG();
- }
/*
* backend initialization
*/
if (namestrcmp(&attrtypes[i]->attname, "attisset") == 0)
attrtypes[i]->attisset = get_attisset(RelationGetRelid(reldesc),
- NameStr(attrtypes[i]->attname));
+ NameStr(attrtypes[i]->attname));
else
attrtypes[i]->attisset = false;
index_build(heap, ind, ILHead->il_natts, ILHead->il_attnos,
ILHead->il_nparams, ILHead->il_params, ILHead->il_finfo,
ILHead->il_predInfo);
- /* In normal processing mode, index_build would close the heap
- * and index, but in bootstrap mode it will not.
+
+ /*
+ * In normal processing mode, index_build would close the heap and
+ * index, but in bootstrap mode it will not.
*/
/*
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/catalog/aclchk.c,v 1.37 2000/01/26 05:56:09 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/catalog/aclchk.c,v 1.38 2000/04/12 17:14:55 momjian Exp $
*
* NOTES
* See acl.h.
*/
if (((mode & ACL_WR) || (mode & ACL_AP)) &&
!allowSystemTableMods && IsSystemRelationName(relname) &&
- strncmp(relname,"pg_temp.", strlen("pg_temp.")) != 0 &&
+ strncmp(relname, "pg_temp.", strlen("pg_temp.")) != 0 &&
!((Form_pg_shadow) GETSTRUCT(tuple))->usecatupd)
{
elog(DEBUG, "pg_aclcheck: catalog update to \"%s\": permission denied",
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/catalog/catalog.c,v 1.31 2000/04/09 04:43:15 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/catalog/catalog.c,v 1.32 2000/04/12 17:14:55 momjian Exp $
*
*-------------------------------------------------------------------------
*/
snprintf(path, bufsize, "%s%c%s", DataDir, SEP_CHAR, relname);
return path;
}
+
/*
* If it is in the current database, assume it is in current working
* directory. NB: this does not work during bootstrap!
* relpath_blind - construct path to a relation's file
*
* Construct the path using only the info available to smgrblindwrt,
- * namely the names and OIDs of the database and relation. (Shared system
+ * namely the names and OIDs of the database and relation. (Shared system
* relations are identified with dbid = 0.) Note that we may have to
* access a relation belonging to a different database!
*
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/catalog/heap.c,v 1.124 2000/03/17 02:36:05 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/catalog/heap.c,v 1.125 2000/04/12 17:14:55 momjian Exp $
*
*
* INTERFACE ROUTINES
static void AddNewRelationTuple(Relation pg_class_desc,
- Relation new_rel_desc, Oid new_rel_oid,
- int natts,
- char relkind, char *temp_relname);
+ Relation new_rel_desc, Oid new_rel_oid,
+ int natts,
+ char relkind, char *temp_relname);
static void AddToNoNameRelList(Relation r);
static void DeleteAttributeTuples(Relation rel);
static void RemoveFromNoNameRelList(Relation r);
static void AddNewRelationType(char *typeName, Oid new_rel_oid);
static void StoreAttrDefault(Relation rel, AttrNumber attnum, char *adbin,
- bool updatePgAttribute);
+ bool updatePgAttribute);
static void StoreRelCheck(Relation rel, char *ccname, char *ccbin);
static void StoreConstraints(Relation rel);
static void RemoveConstraints(Relation rel);
rel = (Relation) palloc(len);
MemSet((char *) rel, 0, len);
- rel->rd_fd = -1; /* table is not open */
+ rel->rd_fd = -1; /* table is not open */
rel->rd_unlinked = TRUE; /* table is not created yet */
+
/*
* create a new tuple descriptor from the one passed in
*/
bool
heap_storage_create(Relation rel)
{
- bool smgrcall = false;
+ bool smgrcall = false;
if (rel->rd_unlinked)
{
if (!IsIgnoringSystemIndexes())
{
+
/*
* First, open the catalog indices and insert index tuples for the
* new relation.
* SOMEDAY: fill the STATISTIC relation properly.
* ----------------
*/
- heap_close(new_rel_desc, NoLock); /* do not unlock till end of xact */
+ heap_close(new_rel_desc, NoLock); /* do not unlock till end of xact */
heap_close(pg_class_desc, RowExclusiveLock);
return new_rel_oid;
* 3) remove indexes
* 4) remove pg_class tuple
* 5) remove pg_attribute tuples and related descriptions
- * 6) remove pg_description tuples
+ * 6) remove pg_description tuples
* 7) remove pg_type tuples
* 8) RemoveConstraints ()
* 9) unlink relation
tuple = heap_getnext(scan, 0);
if (HeapTupleIsValid(tuple))
{
- Oid subclass = ((Form_pg_inherits) GETSTRUCT(tuple))->inhrelid;
+ Oid subclass = ((Form_pg_inherits) GETSTRUCT(tuple))->inhrelid;
heap_endscan(scan);
heap_close(catalogRelation, RowExclusiveLock);
{
heap_close(pg_class_desc, RowExclusiveLock);
elog(ERROR, "Relation '%s' does not exist",
- RelationGetRelationName(rel));
+ RelationGetRelationName(rel));
}
/* ----------------
static void
RelationTruncateIndexes(Relation heapRelation)
{
- Relation indexRelation, currentIndex;
+ Relation indexRelation,
+ currentIndex;
ScanKeyData entry;
HeapScanDesc scan;
- HeapTuple indexTuple, procTuple, classTuple;
+ HeapTuple indexTuple,
+ procTuple,
+ classTuple;
Form_pg_index index;
- Oid heapId, indexId, procId, accessMethodId;
- Node *oldPred = NULL;
- PredInfo *predInfo;
- List *cnfPred = NULL;
+ Oid heapId,
+ indexId,
+ procId,
+ accessMethodId;
+ Node *oldPred = NULL;
+ PredInfo *predInfo;
+ List *cnfPred = NULL;
AttrNumber *attributeNumberA;
- FuncIndexInfo fInfo, *funcInfo = NULL;
- int i, numberOfAttributes;
- char *predString;
+ FuncIndexInfo fInfo,
+ *funcInfo = NULL;
+ int i,
+ numberOfAttributes;
+ char *predString;
heapId = RelationGetRelid(heapRelation);
scan = heap_beginscan(indexRelation, false, SnapshotNow, 1, &entry);
while (HeapTupleIsValid(indexTuple = heap_getnext(scan, 0)))
{
+
/*
- * For each index, fetch index attributes so we can apply index_build
+ * For each index, fetch index attributes so we can apply
+ * index_build
*/
index = (Form_pg_index) GETSTRUCT(indexTuple);
indexId = index->indexrelid;
LockRelation(currentIndex, AccessExclusiveLock);
/*
- * Release any buffers associated with this index. If they're dirty,
- * they're just dropped without bothering to flush to disk.
+ * Release any buffers associated with this index. If they're
+ * dirty, they're just dropped without bothering to flush to disk.
*/
ReleaseRelationBuffers(currentIndex);
if (FlushRelationBuffers(currentIndex, (BlockNumber) 0, false) < 0)
attributeNumberA, 0, NULL, funcInfo, predInfo);
/*
- * index_build will close both the heap and index relations
- * (but not give up the locks we hold on them). That's fine
- * for the index, but we need to open the heap again. We need
- * no new lock, since this backend still has the exclusive lock
- * grabbed by heap_truncate.
+ * index_build will close both the heap and index relations (but
+ * not give up the locks we hold on them). That's fine for the
+ * index, but we need to open the heap again. We need no new
+ * lock, since this backend still has the exclusive lock grabbed
+ * by heap_truncate.
*/
heapRelation = heap_open(heapId, NoLock);
Assert(heapRelation != NULL);
}
/* Complete the scan and close pg_index */
- heap_endscan(scan);
+ heap_endscan(scan);
heap_close(indexRelation, AccessShareLock);
}
/* ----------------------------
- * heap_truncate
+ * heap_truncate
*
- * This routine is used to truncate the data from the
- * storage manager of any data within the relation handed
- * to this routine.
+ * This routine is used to truncate the data from the
+ * storage manager of any data within the relation handed
+ * to this routine.
* ----------------------------
*/
void
heap_truncate(char *relname)
{
- Relation rel;
- Oid rid;
+ Relation rel;
+ Oid rid;
/* Open relation for processing, and grab exclusive access on it. */
* they don't exist anyway. So, no warning in that case.
* ----------------
*/
- if (IsTransactionBlock() && ! rel->rd_myxactonly)
+ if (IsTransactionBlock() && !rel->rd_myxactonly)
elog(NOTICE, "Caution: TRUNCATE TABLE cannot be rolled back, so don't abort now");
/*
- * Release any buffers associated with this relation. If they're dirty,
- * they're just dropped without bothering to flush to disk.
+ * Release any buffers associated with this relation. If they're
+ * dirty, they're just dropped without bothering to flush to disk.
*/
ReleaseRelationBuffers(rel);
attnum++)
{
if (HeapTupleIsValid(tup = SearchSysCacheTupleCopy(ATTNUM,
- ObjectIdGetDatum(RelationGetRelid(rel)),
- Int16GetDatum(attnum),
+ ObjectIdGetDatum(RelationGetRelid(rel)),
+ Int16GetDatum(attnum),
0, 0)))
{
-
- /*** Delete any comments associated with this attribute ***/
- DeleteComments(tup->t_data->t_oid);
+ /*** Delete any comments associated with this attribute ***/
+
+ DeleteComments(tup->t_data->t_oid);
- heap_delete(pg_attribute_desc, &tup->t_self, NULL);
- heap_freetuple(tup);
+ heap_delete(pg_attribute_desc, &tup->t_self, NULL);
+ heap_freetuple(tup);
}
}
* we release the read lock on pg_type. -mer 13 Aug 1991
* ----------------
*/
-
+
heap_delete(pg_type_desc, &tup->t_self, NULL);
heap_endscan(pg_type_scan);
* they don't exist anyway. So, no warning in that case.
* ----------------
*/
- if (IsTransactionBlock() && ! rel->rd_myxactonly)
+ if (IsTransactionBlock() && !rel->rd_myxactonly)
elog(NOTICE, "Caution: DROP TABLE cannot be rolled back, so don't abort now");
/* ----------------
/*
* Close relcache entry, but *keep* AccessExclusiveLock on the
- * relation until transaction commit. This ensures no one else
- * will try to do something with the doomed relation.
+ * relation until transaction commit. This ensures no one else will
+ * try to do something with the doomed relation.
*/
heap_close(rel, NoLock);
Relation idescs[Num_pg_attrdef_indices];
HeapTuple tuple;
Datum values[4];
- static char nulls[4] = {' ', ' ', ' ', ' '};
+ static char nulls[4] = {' ', ' ', ' ', ' '};
Relation attrrel;
Relation attridescs[Num_pg_attr_indices];
HeapTuple atttup;
* Need to construct source equivalent of given node-string.
*/
expr = stringToNode(adbin);
+
/*
* deparse_expression needs a RangeTblEntry list, so make one
*/
heap_freetuple(tuple);
pfree(adsrc);
- if (! updatePgAttribute)
+ if (!updatePgAttribute)
return; /* done if pg_attribute is OK */
attrrel = heap_openr(AttributeRelationName, RowExclusiveLock);
atttup = SearchSysCacheTupleCopy(ATTNUM,
- ObjectIdGetDatum(RelationGetRelid(rel)),
+ ObjectIdGetDatum(RelationGetRelid(rel)),
(Datum) attnum, 0, 0);
if (!HeapTupleIsValid(atttup))
elog(ERROR, "cache lookup of attribute %d in relation %u failed",
attnum, RelationGetRelid(rel));
attStruct = (Form_pg_attribute) GETSTRUCT(atttup);
- if (! attStruct->atthasdef)
+ if (!attStruct->atthasdef)
{
attStruct->atthasdef = true;
heap_update(attrrel, &atttup->t_self, atttup, NULL);
Relation idescs[Num_pg_relcheck_indices];
HeapTuple tuple;
Datum values[4];
- static char nulls[4] = {' ', ' ', ' ', ' '};
+ static char nulls[4] = {' ', ' ', ' ', ' '};
/*
* Convert condition to a normal boolean expression tree.
*/
expr = stringToNode(ccbin);
expr = (Node *) make_ands_explicit((List *) expr);
+
/*
* deparse_expression needs a RangeTblEntry list, so make one
*/
if (!constr)
return;
- /* deparsing of constraint expressions will fail unless the just-created
- * pg_attribute tuples for this relation are made visible. So, bump
- * the command counter.
+ /*
+ * deparsing of constraint expressions will fail unless the
+ * just-created pg_attribute tuples for this relation are made
+ * visible. So, bump the command counter.
*/
CommandCounterIncrement();
* expression.
*
* NB: caller should have opened rel with AccessExclusiveLock, and should
- * hold that lock till end of transaction. Also, we assume the caller has
+ * hold that lock till end of transaction. Also, we assume the caller has
* done a CommandCounterIncrement if necessary to make the relation's catalog
* tuples visible.
*/
}
/*
- * Create a dummy ParseState and insert the target relation as
- * its sole rangetable entry. We need a ParseState for transformExpr.
+ * Create a dummy ParseState and insert the target relation as its
+ * sole rangetable entry. We need a ParseState for transformExpr.
*/
pstate = make_parsestate(NULL);
makeRangeTable(pstate, NULL);
Oid type_id;
Assert(colDef->raw_default != NULL);
+
/*
* Transform raw parsetree to executable expression.
*/
expr = transformExpr(pstate, colDef->raw_default, EXPR_COLUMN_FIRST);
+
/*
* Make sure default expr does not refer to any vars.
*/
if (contain_var_clause(expr))
elog(ERROR, "Cannot use attribute(s) in DEFAULT clause");
+
/*
- * Check that it will be possible to coerce the expression
- * to the column's type. We store the expression without
- * coercion, however, to avoid premature coercion in cases like
+ * Check that it will be possible to coerce the expression to the
+ * column's type. We store the expression without coercion,
+ * however, to avoid premature coercion in cases like
*
* CREATE TABLE tbl (fld datetime DEFAULT 'now');
*
- * NB: this should match the code in updateTargetListEntry()
- * that will actually do the coercion, to ensure we don't accept
- * an unusable default expression.
+ * NB: this should match the code in updateTargetListEntry() that
+ * will actually do the coercion, to ensure we don't accept an
+ * unusable default expression.
*/
type_id = exprType(expr);
if (type_id != InvalidOid)
if (type_id != atp->atttypid)
{
if (CoerceTargetExpr(NULL, expr, type_id,
- atp->atttypid, atp->atttypmod) == NULL)
+ atp->atttypid, atp->atttypmod) == NULL)
elog(ERROR, "Attribute '%s' is of type '%s'"
" but default expression is of type '%s'"
- "\n\tYou will need to rewrite or cast the expression",
+ "\n\tYou will need to rewrite or cast the expression",
NameStr(atp->attname),
typeidTypeName(atp->atttypid),
typeidTypeName(type_id));
}
}
+
/*
* Might as well try to reduce any constant expressions.
*/
expr = eval_const_expressions(expr);
+
/*
* Must fix opids, in case any operators remain...
*/
fix_opids(expr);
+
/*
* OK, store it.
*/
ccname = (char *) palloc(NAMEDATALEN);
snprintf(ccname, NAMEDATALEN, "$%d", numchecks + 1);
}
+
/*
* Transform raw parsetree to executable expression.
*/
expr = transformExpr(pstate, cdef->raw_expr, EXPR_COLUMN_FIRST);
+
/*
* Make sure it yields a boolean result.
*/
if (exprType(expr) != BOOLOID)
elog(ERROR, "CHECK '%s' does not yield boolean result",
ccname);
+
/*
* Make sure no outside relations are referred to.
*/
if (length(pstate->p_rtable) != 1)
elog(ERROR, "Only relation '%s' can be referenced in CHECK",
relname);
+
/*
* Might as well try to reduce any constant expressions.
*/
expr = eval_const_expressions(expr);
+
/*
* Constraints are evaluated with execQual, which expects an
* implicit-AND list, so convert expression to implicit-AND form.
* overkill...)
*/
expr = (Node *) make_ands_implicit((Expr *) expr);
+
/*
* Must fix opids in operator clauses.
*/
fix_opids(expr);
+
/*
* OK, store it.
*/
* We do this even if there was no change, in order to ensure that an
* SI update message is sent out for the pg_class tuple, which will
* force other backends to rebuild their relcache entries for the rel.
- * (Of course, for a newly created rel there is no need for an SI message,
- * but for ALTER TABLE ADD ATTRIBUTE this'd be important.)
+ * (Of course, for a newly created rel there is no need for an SI
+ * message, but for ALTER TABLE ADD ATTRIBUTE this'd be important.)
*/
relrel = heap_openr(RelationRelationName, RowExclusiveLock);
reltup = SearchSysCacheTupleCopy(RELOID,
- ObjectIdGetDatum(RelationGetRelid(rel)),
+ ObjectIdGetDatum(RelationGetRelid(rel)),
0, 0, 0);
if (!HeapTupleIsValid(reltup))
elog(ERROR, "cache lookup of relation %u failed", RelationGetRelid(rel));
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/catalog/index.c,v 1.107 2000/03/01 05:39:24 inoue Exp $
+ * $Header: /cvsroot/pgsql/src/backend/catalog/index.c,v 1.108 2000/04/12 17:14:55 momjian Exp $
*
*
* INTERFACE ROUTINES
/* non-export function prototypes */
static Oid GetHeapRelationOid(char *heapRelationName, char *indexRelationName,
- bool istemp);
+ bool istemp);
static TupleDesc BuildFuncTupleDesc(FuncIndexInfo *funcInfo);
static TupleDesc ConstructTupleDescriptor(Oid heapoid, Relation heapRelation,
- List *attributeList, int numatts, AttrNumber *attNums);
+ List *attributeList, int numatts, AttrNumber *attNums);
static void ConstructIndexReldesc(Relation indexRelation, Oid amoid);
static Oid UpdateRelationRelation(Relation indexRelation, char *temp_relname);
static void InitializeAttributeOids(Relation indexRelation,
- int numatts, Oid indexoid);
+ int numatts, Oid indexoid);
static void AppendAttributeTuples(Relation indexRelation, int numatts);
static void UpdateIndexRelation(Oid indexoid, Oid heapoid,
- FuncIndexInfo *funcInfo, int natts,
- AttrNumber *attNums, Oid *classOids, Node *predicate,
- List *attributeList, bool islossy, bool unique, bool primary);
+ FuncIndexInfo *funcInfo, int natts,
+ AttrNumber *attNums, Oid *classOids, Node *predicate,
+ List *attributeList, bool islossy, bool unique, bool primary);
static void DefaultBuild(Relation heapRelation, Relation indexRelation,
- int numberOfAttributes, AttrNumber *attributeNumber,
- IndexStrategy indexStrategy, uint16 parameterCount,
+ int numberOfAttributes, AttrNumber *attributeNumber,
+ IndexStrategy indexStrategy, uint16 parameterCount,
Datum *parameter, FuncIndexInfoPtr funcInfo, PredInfo *predInfo);
-static Oid IndexGetRelation(Oid indexId);
+static Oid IndexGetRelation(Oid indexId);
-static bool reindexing = false;
-extern bool SetReindexProcessing(bool reindexmode)
+static bool reindexing = false;
+extern bool
+SetReindexProcessing(bool reindexmode)
{
- bool old = reindexing;
+ bool old = reindexing;
+
reindexing = reindexmode;
return old;
}
-extern bool IsReindexProcessing(void)
+extern bool
+IsReindexProcessing(void)
{
return reindexing;
}
+
/* ----------------------------------------------------------------
* sysatts is a structure containing attribute tuple forms
* for system attributes (numbered -1, -2, ...). This really
* ----------------
*/
indexRelation = heap_create(indexRelationName,
- indexTupDesc, false, istemp, false);
+ indexTupDesc, false, istemp, false);
/* ----------------
* construct the index relation descriptor
* bootstrapping. Otherwise, we call the routine that constructs the
* index.
*
- * In normal processing mode, the heap and index relations are closed
- * by index_build() --- but we continue to hold the ShareLock on the
- * heap that we acquired above, until end of transaction.
+ * In normal processing mode, the heap and index relations are closed by
+ * index_build() --- but we continue to hold the ShareLock on the heap
+ * that we acquired above, until end of transaction.
*/
if (IsBootstrapProcessingMode())
{
* they don't exist anyway. So, no warning in that case.
* ----------------
*/
- if (IsTransactionBlock() && ! userIndexRelation->rd_myxactonly)
+ if (IsTransactionBlock() && !userIndexRelation->rd_myxactonly)
elog(NOTICE, "Caution: DROP INDEX cannot be rolled back, so don't abort now");
/* ----------------
* ----------------
*/
DeleteComments(indexId);
-
+
/* ----------------
* fix RELATION relation
* ----------------
* --------------------------------------------
*/
static
-bool LockClassinfoForUpdate(Oid relid, HeapTuple rtup, Buffer *buffer, bool confirmCommitted)
+bool
+LockClassinfoForUpdate(Oid relid, HeapTuple rtup, Buffer *buffer, bool confirmCommitted)
{
HeapTuple classTuple;
- Form_pg_class pgcform;
+ Form_pg_class pgcform;
bool test;
Relation relationRelation;
classTuple = SearchSysCacheTuple(RELOID, PointerGetDatum(relid),
- 0, 0, 0);
+ 0, 0, 0);
if (!HeapTupleIsValid(classTuple))
return false;
rtup->t_self = classTuple->t_self;
RelationInvalidateHeapTuple(relationRelation, rtup);
if (confirmCommitted)
{
- HeapTupleHeader th = rtup->t_data;
+ HeapTupleHeader th = rtup->t_data;
+
if (!(th->t_infomask & HEAP_XMIN_COMMITTED))
elog(ERROR, "The tuple isn't committed");
if (th->t_infomask & HEAP_XMAX_COMMITTED)
* Indexes of the relation active ?
* ---------------------------------------------
*/
-bool IndexesAreActive(Oid relid, bool confirmCommitted)
+bool
+IndexesAreActive(Oid relid, bool confirmCommitted)
{
- HeapTupleData tuple;
+ HeapTupleData tuple;
Relation indexRelation;
Buffer buffer;
- HeapScanDesc scan;
- ScanKeyData entry;
+ HeapScanDesc scan;
+ ScanKeyData entry;
bool isactive;
if (!LockClassinfoForUpdate(relid, &tuple, &buffer, confirmCommitted))
elog(ERROR, "IndexesAreActive couldn't lock %u", relid);
if (((Form_pg_class) GETSTRUCT(&tuple))->relkind != RELKIND_RELATION)
- elog(ERROR, "relation %u isn't an relation", relid);
+ elog(ERROR, "relation %u isn't an relation", relid);
isactive = ((Form_pg_class) GETSTRUCT(&tuple))->relhasindex;
ReleaseBuffer(buffer);
if (isactive)
return isactive;
indexRelation = heap_openr(IndexRelationName, AccessShareLock);
ScanKeyEntryInitialize(&entry, 0, Anum_pg_index_indrelid,
- F_OIDEQ, ObjectIdGetDatum(relid));
+ F_OIDEQ, ObjectIdGetDatum(relid));
scan = heap_beginscan(indexRelation, false, SnapshotNow,
- 1, &entry);
+ 1, &entry);
if (!heap_getnext(scan, 0))
isactive = true;
heap_endscan(scan);
Relation whichRel;
Relation pg_class;
HeapTuple tuple;
- Form_pg_class rd_rel;
- HeapScanDesc pg_class_scan = NULL;
+ Form_pg_class rd_rel;
+ HeapScanDesc pg_class_scan = NULL;
/* ----------------
* This routine handles updates for only the heap relation
if (!IsIgnoringSystemIndexes())
{
tuple = SearchSysCacheTupleCopy(RELOID,
- ObjectIdGetDatum(relid), 0, 0, 0);
+ ObjectIdGetDatum(relid), 0, 0, 0);
}
else
{
heap_close(pg_class, RowExclusiveLock);
elog(ERROR, "setRelhasindexInplace: cannot scan RELATION relation");
}
+
/*
- * Confirm that target tuple is locked by this transaction
- * in case of immedaite updation.
+ * Confirm that target tuple is locked by this transaction in case of
+ * immedaite updation.
*/
if (immediate)
{
- HeapTupleHeader th = tuple->t_data;
+ HeapTupleHeader th = tuple->t_data;
+
if (!(th->t_infomask & HEAP_XMIN_COMMITTED))
elog(ERROR, "Immediate hasindex updation can be done only for committed tuples %x", th->t_infomask);
if (th->t_infomask & HEAP_XMAX_INVALID)
}
else
{
- HeapTupleData htup;
+ HeapTupleData htup;
Buffer buffer;
htup.t_self = tuple->t_self;
Datum values[Natts_pg_class];
char nulls[Natts_pg_class];
char replace[Natts_pg_class];
- HeapScanDesc pg_class_scan = NULL;
+ HeapScanDesc pg_class_scan = NULL;
bool in_place_upd;
/* ----------------
* pattern "CREATE TABLE; CREATE INDEX; insert data" leaves the table
* with zero size statistics until a VACUUM is done. The optimizer will
* generate very bad plans if the stats claim the table is empty when
- * it is actually sizable. See also CREATE TABLE in heap.c.
+ * it is actually sizable. See also CREATE TABLE in heap.c.
* ----------------
*/
relpages = RelationGetNumberOfBlocks(whichRel);
char *nullv;
long reltuples,
indtuples;
+
#ifndef OMIT_PARTIAL_INDEX
ExprContext *econtext;
TupleTable tupleTable;
TupleTableSlot *slot;
+
#endif
Node *predicate;
Node *oldPred;
reltuples++;
#ifndef OMIT_PARTIAL_INDEX
+
/*
* If oldPred != NULL, this is an EXTEND INDEX command, so skip
* this tuple if it was already in the existing partial index
{
/* SetSlotContents(slot, heapTuple); */
slot->val = heapTuple;
- if (! ExecQual((List *) predicate, econtext, false))
+ if (!ExecQual((List *) predicate, econtext, false))
continue;
}
#endif /* OMIT_PARTIAL_INDEX */
/*
* Since we just counted the tuples in the heap, we update its stats
* in pg_class to guarantee that the planner takes advantage of the
- * index we just created. But, only update statistics during
- * normal index definitions, not for indices on system catalogs
- * created during bootstrap processing. We must close the relations
- * before updating statistics to guarantee that the relcache entries
- * are flushed when we increment the command counter in UpdateStats().
- * But we do not release any locks on the relations; those will be
- * held until end of transaction.
+ * index we just created. But, only update statistics during normal
+ * index definitions, not for indices on system catalogs created
+ * during bootstrap processing. We must close the relations before
+ * updating statistics to guarantee that the relcache entries are
+ * flushed when we increment the command counter in UpdateStats(). But
+ * we do not release any locks on the relations; those will be held
+ * until end of transaction.
*/
if (IsNormalProcessingMode())
{
- Oid hrelid = RelationGetRelid(heapRelation);
- Oid irelid = RelationGetRelid(indexRelation);
+ Oid hrelid = RelationGetRelid(heapRelation);
+ Oid irelid = RelationGetRelid(indexRelation);
bool inplace = IsReindexProcessing();
heap_close(heapRelation, NoLock);
/*
* IndexGetRelation: given an index's relation OID, get the OID of the
- * relation it is an index on. Uses the system cache.
+ * relation it is an index on. Uses the system cache.
*/
static Oid
IndexGetRelation(Oid indexId)
bool
activate_index(Oid indexId, bool activate)
{
- if (!activate) /* Currently does nothing */
+ if (!activate) /* Currently does nothing */
return true;
return reindex_index(indexId, false);
}
-
+
/* --------------------------------
* reindex_index - This routine is used to recreate an index
* --------------------------------
bool
reindex_index(Oid indexId, bool force)
{
- Relation iRel, indexRelation, heapRelation;
- ScanKeyData entry;
- HeapScanDesc scan;
- HeapTuple indexTuple, procTuple, classTuple;
- Form_pg_index index;
- Oid heapId, procId, accessMethodId;
- Node *oldPred = NULL;
- PredInfo *predInfo;
- AttrNumber *attributeNumberA;
- FuncIndexInfo fInfo, *funcInfo = NULL;
- int i, numberOfAttributes;
- char *predString;
+ Relation iRel,
+ indexRelation,
+ heapRelation;
+ ScanKeyData entry;
+ HeapScanDesc scan;
+ HeapTuple indexTuple,
+ procTuple,
+ classTuple;
+ Form_pg_index index;
+ Oid heapId,
+ procId,
+ accessMethodId;
+ Node *oldPred = NULL;
+ PredInfo *predInfo;
+ AttrNumber *attributeNumberA;
+ FuncIndexInfo fInfo,
+ *funcInfo = NULL;
+ int i,
+ numberOfAttributes;
+ char *predString;
bool old;
old = SetReindexProcessing(true);
LockRelation(iRel, AccessExclusiveLock);
/*
- * Release any buffers associated with this index. If they're dirty,
+ * Release any buffers associated with this index. If they're dirty,
* they're just dropped without bothering to flush to disk.
*/
ReleaseRelationBuffers(iRel);
/* Initialize the index and rebuild */
InitIndexStrategy(numberOfAttributes, iRel, accessMethodId);
index_build(heapRelation, iRel, numberOfAttributes,
- attributeNumberA, 0, NULL, funcInfo, predInfo);
+ attributeNumberA, 0, NULL, funcInfo, predInfo);
/*
- * index_build will close both the heap and index relations
- * (but not give up the locks we hold on them). That's fine
- * for the index, but we need to open the heap again. We need
- * no new lock, since this backend still has the exclusive lock
- * grabbed by heap_truncate.
+ * index_build will close both the heap and index relations (but not
+ * give up the locks we hold on them). That's fine for the index, but
+ * we need to open the heap again. We need no new lock, since this
+ * backend still has the exclusive lock grabbed by heap_truncate.
*/
iRel = index_open(indexId);
Assert(iRel != NULL);
/*
* ----------------------------
- * activate_indexes_of_a_table
+ * activate_indexes_of_a_table
* activate/deactivate indexes of the specified table.
* ----------------------------
*/
if (!activate)
setRelhasindexInplace(relid, false, true);
else
- {
return false;
- }
}
else
{
if (activate)
reindex_relation(relid, false);
else
- {
return false;
- }
}
return true;
}
+
/* --------------------------------
* reindex_relation - This routine is used to recreate indexes
* of a relation.
reindex_relation(Oid relid, bool force)
{
Relation indexRelation;
- ScanKeyData entry;
- HeapScanDesc scan;
+ ScanKeyData entry;
+ HeapScanDesc scan;
HeapTuple indexTuple;
- bool old, reindexed;
+ bool old,
+ reindexed;
old = SetReindexProcessing(true);
if (IndexesAreActive(relid, true))
indexRelation = heap_openr(IndexRelationName, AccessShareLock);
ScanKeyEntryInitialize(&entry, 0, Anum_pg_index_indrelid,
- F_OIDEQ, ObjectIdGetDatum(relid));
+ F_OIDEQ, ObjectIdGetDatum(relid));
scan = heap_beginscan(indexRelation, false, SnapshotNow,
- 1, &entry);
+ 1, &entry);
reindexed = false;
while (HeapTupleIsValid(indexTuple = heap_getnext(scan, 0)))
{
- Form_pg_index index = (Form_pg_index) GETSTRUCT(indexTuple);
+ Form_pg_index index = (Form_pg_index) GETSTRUCT(indexTuple);
+
if (activate_index(index->indexrelid, true))
reindexed = true;
else
heap_endscan(scan);
heap_close(indexRelation, AccessShareLock);
if (reindexed)
- {
setRelhasindexInplace(relid, true, false);
- }
SetReindexProcessing(old);
return reindexed;
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/catalog/indexing.c,v 1.59 2000/02/18 09:28:41 inoue Exp $
+ * $Header: /cvsroot/pgsql/src/backend/catalog/indexing.c,v 1.60 2000/04/12 17:14:56 momjian Exp $
*
*-------------------------------------------------------------------------
*/
*/
char *Name_pg_aggregate_indices[Num_pg_aggregate_indices] =
- {AggregateNameTypeIndex};
+{AggregateNameTypeIndex};
char *Name_pg_am_indices[Num_pg_am_indices] =
- {AmNameIndex};
+{AmNameIndex};
char *Name_pg_amop_indices[Num_pg_amop_indices] =
- {AccessMethodOpidIndex, AccessMethodStrategyIndex};
+{AccessMethodOpidIndex, AccessMethodStrategyIndex};
char *Name_pg_attr_indices[Num_pg_attr_indices] =
- {AttributeRelidNameIndex, AttributeRelidNumIndex};
+{AttributeRelidNameIndex, AttributeRelidNumIndex};
char *Name_pg_attrdef_indices[Num_pg_attrdef_indices] =
- {AttrDefaultIndex};
+{AttrDefaultIndex};
char *Name_pg_class_indices[Num_pg_class_indices] =
- {ClassNameIndex, ClassOidIndex};
+{ClassNameIndex, ClassOidIndex};
char *Name_pg_group_indices[Num_pg_group_indices] =
- {GroupNameIndex, GroupSysidIndex};
+{GroupNameIndex, GroupSysidIndex};
char *Name_pg_index_indices[Num_pg_index_indices] =
- {IndexRelidIndex};
+{IndexRelidIndex};
char *Name_pg_inherits_indices[Num_pg_inherits_indices] =
- {InheritsRelidSeqnoIndex};
+{InheritsRelidSeqnoIndex};
char *Name_pg_language_indices[Num_pg_language_indices] =
- {LanguageOidIndex, LanguageNameIndex};
+{LanguageOidIndex, LanguageNameIndex};
char *Name_pg_listener_indices[Num_pg_listener_indices] =
- {ListenerRelnamePidIndex};
+{ListenerRelnamePidIndex};
char *Name_pg_opclass_indices[Num_pg_opclass_indices] =
- {OpclassNameIndex, OpclassDeftypeIndex};
+{OpclassNameIndex, OpclassDeftypeIndex};
char *Name_pg_operator_indices[Num_pg_operator_indices] =
- {OperatorOidIndex, OperatorNameIndex};
+{OperatorOidIndex, OperatorNameIndex};
char *Name_pg_proc_indices[Num_pg_proc_indices] =
- {ProcedureOidIndex, ProcedureNameIndex};
+{ProcedureOidIndex, ProcedureNameIndex};
char *Name_pg_relcheck_indices[Num_pg_relcheck_indices] =
- {RelCheckIndex};
+{RelCheckIndex};
char *Name_pg_rewrite_indices[Num_pg_rewrite_indices] =
- {RewriteOidIndex, RewriteRulenameIndex};
+{RewriteOidIndex, RewriteRulenameIndex};
char *Name_pg_shadow_indices[Num_pg_shadow_indices] =
- {ShadowNameIndex, ShadowSysidIndex};
+{ShadowNameIndex, ShadowSysidIndex};
char *Name_pg_statistic_indices[Num_pg_statistic_indices] =
- {StatisticRelidAttnumIndex};
+{StatisticRelidAttnumIndex};
char *Name_pg_trigger_indices[Num_pg_trigger_indices] =
- {TriggerRelidIndex, TriggerConstrNameIndex, TriggerConstrRelidIndex};
+{TriggerRelidIndex, TriggerConstrNameIndex, TriggerConstrRelidIndex};
char *Name_pg_type_indices[Num_pg_type_indices] =
- {TypeNameIndex, TypeOidIndex};
-char *Name_pg_description_indices[Num_pg_description_indices] =
- {DescriptionObjIndex};
+{TypeNameIndex, TypeOidIndex};
+char *Name_pg_description_indices[Num_pg_description_indices] =
+{DescriptionObjIndex};
static HeapTuple CatalogIndexFetchTuple(Relation heapRelation,
- Relation idesc,
- ScanKey skey,
- int16 num_keys);
+ Relation idesc,
+ ScanKey skey,
+ int16 num_keys);
/*
/*---------------------------------------------------------------------
- * Class-specific index lookups
+ * Class-specific index lookups
*---------------------------------------------------------------------
*/
Relation idesc;
ScanKeyData skey[2];
HeapTuple tuple;
-
+
ScanKeyEntryInitialize(&skey[0],
(bits16) 0x0,
(AttrNumber) 1,
Relation idesc;
ScanKeyData skey[1];
HeapTuple tuple;
-
+
ScanKeyEntryInitialize(&skey[0],
(bits16) 0x0,
(AttrNumber) 1,
HeapTuple
AttributeRelidNameIndexScan(Relation heapRelation,
- Oid relid,
- char *attname)
+ Oid relid,
+ char *attname)
{
Relation idesc;
ScanKeyData skey[2];
HeapTuple
AttributeRelidNumIndexScan(Relation heapRelation,
- Oid relid,
- AttrNumber attnum)
+ Oid relid,
+ AttrNumber attnum)
{
Relation idesc;
ScanKeyData skey[2];
Relation idesc;
ScanKeyData skey[1];
HeapTuple tuple;
-
+
ScanKeyEntryInitialize(&skey[0],
(bits16) 0x0,
(AttrNumber) 1,
Relation idesc;
ScanKeyData skey[1];
HeapTuple tuple;
-
+
ScanKeyEntryInitialize(&skey[0],
(bits16) 0x0,
(AttrNumber) 1,
Relation idesc;
ScanKeyData skey[1];
HeapTuple tuple;
-
+
ScanKeyEntryInitialize(&skey[0],
(bits16) 0x0,
(AttrNumber) 1,
HeapTuple
InheritsRelidSeqnoIndexScan(Relation heapRelation,
- Oid relid,
- int4 seqno)
+ Oid relid,
+ int4 seqno)
{
Relation idesc;
ScanKeyData skey[2];
Relation idesc;
ScanKeyData skey[1];
HeapTuple tuple;
-
+
ScanKeyEntryInitialize(&skey[0],
(bits16) 0x0,
(AttrNumber) 1,
Relation idesc;
ScanKeyData skey[2];
HeapTuple tuple;
-
+
ScanKeyEntryInitialize(&skey[0],
(bits16) 0x0,
(AttrNumber) 1,
HeapTuple
OperatorNameIndexScan(Relation heapRelation,
- char *oprName,
- Oid oprLeft,
- Oid oprRight,
- char oprKind)
+ char *oprName,
+ Oid oprLeft,
+ Oid oprRight,
+ char oprKind)
{
Relation idesc;
ScanKeyData skey[4];
Relation idesc;
ScanKeyData skey[1];
HeapTuple tuple;
-
+
ScanKeyEntryInitialize(&skey[0],
(bits16) 0x0,
(AttrNumber) 1,
Relation idesc;
ScanKeyData skey[1];
HeapTuple tuple;
-
+
ScanKeyEntryInitialize(&skey[0],
(bits16) 0x0,
(AttrNumber) 1,
Relation idesc;
ScanKeyData skey[1];
HeapTuple tuple;
-
+
ScanKeyEntryInitialize(&skey[0],
(bits16) 0x0,
(AttrNumber) 1,
Relation idesc;
ScanKeyData skey[1];
HeapTuple tuple;
-
+
ScanKeyEntryInitialize(&skey[0],
(bits16) 0x0,
(AttrNumber) 1,
HeapTuple
StatisticRelidAttnumIndexScan(Relation heapRelation,
- Oid relId,
- AttrNumber attNum)
+ Oid relId,
+ AttrNumber attNum)
{
Relation idesc;
ScanKeyData skey[2];
return tuple;
}
-
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/catalog/pg_aggregate.c,v 1.30 2000/03/26 19:43:58 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/catalog/pg_aggregate.c,v 1.31 2000/04/12 17:14:56 momjian Exp $
*
*-------------------------------------------------------------------------
*/
/* handle finalfn */
if (aggfinalfnName)
{
- int nargs = 0;
+ int nargs = 0;
if (OidIsValid(xret1))
fnArgs[nargs++] = xret1;
{
if (nargs == 2)
elog(ERROR, "AggregateCreate: '%s'('%s','%s') does not exist",
- aggfinalfnName, aggtransfn1typeName, aggtransfn2typeName);
+ aggfinalfnName, aggtransfn1typeName, aggtransfn2typeName);
else if (OidIsValid(xret1))
elog(ERROR, "AggregateCreate: '%s'('%s') does not exist",
aggfinalfnName, aggtransfn1typeName);
}
else
{
- /* If no finalfn, aggregate result type is type of the sole
- * state value (we already checked there is only one)
+
+ /*
+ * If no finalfn, aggregate result type is type of the sole state
+ * value (we already checked there is only one)
*/
if (OidIsValid(xret1))
fret = xret1;
Assert(xfuncno == 1 || xfuncno == 2);
/*
- * since we will have to use fastgetattr (in case one or both init vals
- * are NULL), we will need to open the relation. Do that first to
- * ensure we don't get a stale tuple from the cache.
+ * since we will have to use fastgetattr (in case one or both init
+ * vals are NULL), we will need to open the relation. Do that first
+ * to ensure we don't get a stale tuple from the cache.
*/
aggRel = heap_openr(AggregateRelationName, AccessShareLock);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/catalog/pg_proc.c,v 1.41 2000/04/04 21:44:37 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/catalog/pg_proc.c,v 1.42 2000/04/12 17:14:56 momjian Exp $
*
*-------------------------------------------------------------------------
*/
return tup->t_data->t_oid;
#else
elog(ERROR, "lookup for procedure by source needs fix (Jan)");
-#endif /* SETS_FIXED */
+#endif /* SETS_FIXED */
}
}
prosrc = procedureName;
if (fmgr_lookupByName(prosrc) == (func_ptr) NULL)
elog(ERROR,
- "ProcedureCreate: there is no builtin function named \"%s\"",
+ "ProcedureCreate: there is no builtin function named \"%s\"",
prosrc);
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/catalog/pg_type.c,v 1.49 2000/01/26 05:56:11 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/catalog/pg_type.c,v 1.50 2000/04/12 17:14:56 momjian Exp $
*
*-------------------------------------------------------------------------
*/
values[i++] = (Datum) GetUserId(); /* 2 */
values[i++] = (Datum) internalSize; /* 3 */
values[i++] = (Datum) externalSize; /* 4 */
- values[i++] = (Datum) passedByValue;/* 5 */
+ values[i++] = (Datum) passedByValue; /* 5 */
values[i++] = (Datum) typeType; /* 6 */
values[i++] = (Datum) (bool) 1; /* 7 */
values[i++] = (Datum) typDelim; /* 8 */
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/commands/_deadcode/Attic/recipe.c,v 1.10 2000/01/26 05:56:17 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/commands/_deadcode/Attic/recipe.c,v 1.11 2000/04/12 17:15:06 momjian Exp $
*
*-------------------------------------------------------------------------
*/
if (parameterCount == FUNC_MAX_ARGS)
{
elog(ERROR,
- "getParamTypes: Ingredients cannot take > %d arguments",FUNC_MAX_ARGS);
+ "getParamTypes: Ingredients cannot take > %d arguments", FUNC_MAX_ARGS);
}
t = elem->inTypes->val[j];
if (strcmp(t, "opaque") == 0)
{
TgElement *elem;
char *funcName;
- Oid typev[FUNC_MAX_ARGS], /* eight arguments maximum */
+ Oid typev[FUNC_MAX_ARGS], /* eight arguments maximum */
relid;
int i,
parameterCount;
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/commands/async.c,v 1.58 2000/01/26 05:56:12 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/commands/async.c,v 1.59 2000/04/12 17:14:57 momjian Exp $
*
*-------------------------------------------------------------------------
*/
/* no point in making duplicate entries in the list ... */
if (!AsyncExistsPendingNotify(relname))
{
+
/*
* We allocate list memory from the global malloc pool to ensure
- * that it will live until we want to use it. This is probably not
- * necessary any longer, since we will use it before the end of the
- * transaction. DLList only knows how to use malloc() anyway, but we
- * could probably palloc() the strings...
+ * that it will live until we want to use it. This is probably
+ * not necessary any longer, since we will use it before the end
+ * of the transaction. DLList only knows how to use malloc()
+ * anyway, but we could probably palloc() the strings...
*/
notifyName = strdup(relname);
DLAddHead(pendingNotifies, DLNewElem(notifyName));
if (listenerPID == MyProcPid)
{
+
/*
* Self-notify: no need to bother with table update.
* Indeed, we *must not* clear the notification field in
*/
if (kill(listenerPID, SIGUSR2) < 0)
{
+
/*
* Get rid of pg_listener entry if it refers to a PID
* that no longer exists. Presumably, that backend
if (RelationGetForm(lRel)->relhasindex)
{
Relation idescs[Num_pg_listener_indices];
-
+
CatalogOpenIndices(Num_pg_listener_indices, Name_pg_listener_indices, idescs);
CatalogIndexInsert(idescs, Num_pg_listener_indices, lRel, rTuple);
CatalogCloseIndices(Num_pg_listener_indices, idescs);
if (RelationGetForm(lRel)->relhasindex)
{
Relation idescs[Num_pg_listener_indices];
-
+
CatalogOpenIndices(Num_pg_listener_indices, Name_pg_listener_indices, idescs);
CatalogIndexInsert(idescs, Num_pg_listener_indices, lRel, rTuple);
CatalogCloseIndices(Num_pg_listener_indices, idescs);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/commands/cluster.c,v 1.50 2000/01/26 05:56:13 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/commands/cluster.c,v 1.51 2000/04/12 17:14:57 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* Like vacuum, cluster spans transactions, so I'm going to handle it
* in the same way: commit and restart transactions where needed.
*
- * We grab exclusive access to the target rel and index for the
- * duration of the initial transaction.
+ * We grab exclusive access to the target rel and index for the duration
+ * of the initial transaction.
*/
OldHeap = heap_openr(oldrelname, AccessExclusiveLock);
LockRelation(OldIndex, AccessExclusiveLock);
OIDOldIndex = RelationGetRelid(OldIndex);
- heap_close(OldHeap, NoLock); /* do NOT give up the locks */
+ heap_close(OldHeap, NoLock);/* do NOT give up the locks */
index_close(OldIndex);
/*
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/commands/Attic/command.c,v 1.70 2000/03/09 05:00:23 inoue Exp $
+ * $Header: /cvsroot/pgsql/src/backend/commands/Attic/command.c,v 1.71 2000/04/12 17:14:57 momjian Exp $
*
* NOTES
* The PortalExecutorHeapMemory crap needs to be eliminated
#include "access/genam.h"
#include "optimizer/clauses.h"
#include "../parser/parse.h"
-#endif /* _DROP_COLUMN_HACK__ */
+#endif /* _DROP_COLUMN_HACK__ */
/* ----------------
* PortalExecutorHeapMemory stuff
}
/* ----------------
- * AlterTableAddColumn
+ * AlterTableAddColumn
* (formerly known as PerformAddAttribute)
*
* adds an additional attribute to a relation
#endif
/*
- * Grab an exclusive lock on the target table, which we will NOT release
- * until end of transaction.
+ * Grab an exclusive lock on the target table, which we will NOT
+ * release until end of transaction.
*/
rel = heap_openr(relationName, AccessExclusiveLock);
myrelid = RelationGetRelid(rel);
elog(ERROR, "Can't add a NOT NULL attribute to an existing relation");
if (colDef->raw_default || colDef->cooked_default)
- elog(ERROR, "Adding columns with defaults is not implemented.");
+ elog(ERROR, "Adding columns with defaults is not implemented.");
/*
*/
foreach(child, children)
{
- Oid childrelid = lfirsti(child);
+ Oid childrelid = lfirsti(child);
if (childrelid == myrelid)
continue;
*/
void
AlterTableAlterColumn(const char *relationName,
- bool inh, const char *colName,
- Node *newDefault)
+ bool inh, const char *colName,
+ Node *newDefault)
{
- Relation rel;
- HeapTuple tuple;
- int16 attnum;
- Oid myrelid;
+ Relation rel;
+ HeapTuple tuple;
+ int16 attnum;
+ Oid myrelid;
if (!allowSystemTableMods && IsSystemRelationName(relationName))
elog(ERROR, "ALTER TABLE: relation \"%s\" is a system catalog",
elog(ERROR, "ALTER TABLE: permission denied");
#endif
- rel = heap_openr(relationName, AccessExclusiveLock);
- myrelid = RelationGetRelid(rel);
- heap_close(rel, NoLock);
+ rel = heap_openr(relationName, AccessExclusiveLock);
+ myrelid = RelationGetRelid(rel);
+ heap_close(rel, NoLock);
- /*
- * Propagate to children if desired
- */
+ /*
+ * Propagate to children if desired
+ */
if (inh)
- {
- List *child,
- *children;
-
- /* this routine is actually in the planner */
- children = find_all_inheritors(myrelid);
-
- /*
- * find_all_inheritors does the recursive search of the
- * inheritance hierarchy, so all we have to do is process all
- * of the relids in the list that it returns.
- */
- foreach(child, children)
+ {
+ List *child,
+ *children;
+
+ /* this routine is actually in the planner */
+ children = find_all_inheritors(myrelid);
+
+ /*
+ * find_all_inheritors does the recursive search of the
+ * inheritance hierarchy, so all we have to do is process all of
+ * the relids in the list that it returns.
+ */
+ foreach(child, children)
{
- Oid childrelid = lfirsti(child);
-
- if (childrelid == myrelid)
- continue;
- rel = heap_open(childrelid, AccessExclusiveLock);
- AlterTableAlterColumn(RelationGetRelationName(rel),
- false, colName, newDefault);
- heap_close(rel, AccessExclusiveLock);
- }
- }
-
- /* -= now do the thing on this relation =- */
-
- /* reopen the business */
- rel = heap_openr((char *)relationName, AccessExclusiveLock);
-
- /*
- * get the number of the attribute
- */
- tuple = SearchSysCacheTuple(ATTNAME,
- ObjectIdGetDatum(myrelid),
- NameGetDatum(namein((char *)colName)),
- 0, 0);
-
- if (!HeapTupleIsValid(tuple))
- {
- heap_close(rel, AccessExclusiveLock);
- elog(ERROR, "ALTER TABLE: relation \"%s\" has no column \"%s\"",
- relationName, colName);
- }
-
- attnum = ((Form_pg_attribute) GETSTRUCT(tuple))->attnum;
-
- if (newDefault) /* SET DEFAULT */
- {
- List* rawDefaults = NIL;
- RawColumnDefault *rawEnt;
-
- /* Get rid of the old one first */
- drop_default(myrelid, attnum);
+ Oid childrelid = lfirsti(child);
+
+ if (childrelid == myrelid)
+ continue;
+ rel = heap_open(childrelid, AccessExclusiveLock);
+ AlterTableAlterColumn(RelationGetRelationName(rel),
+ false, colName, newDefault);
+ heap_close(rel, AccessExclusiveLock);
+ }
+ }
+
+ /* -= now do the thing on this relation =- */
+
+ /* reopen the business */
+ rel = heap_openr((char *) relationName, AccessExclusiveLock);
+
+ /*
+ * get the number of the attribute
+ */
+ tuple = SearchSysCacheTuple(ATTNAME,
+ ObjectIdGetDatum(myrelid),
+ NameGetDatum(namein((char *) colName)),
+ 0, 0);
+
+ if (!HeapTupleIsValid(tuple))
+ {
+ heap_close(rel, AccessExclusiveLock);
+ elog(ERROR, "ALTER TABLE: relation \"%s\" has no column \"%s\"",
+ relationName, colName);
+ }
+
+ attnum = ((Form_pg_attribute) GETSTRUCT(tuple))->attnum;
+
+ if (newDefault) /* SET DEFAULT */
+ {
+ List *rawDefaults = NIL;
+ RawColumnDefault *rawEnt;
+
+ /* Get rid of the old one first */
+ drop_default(myrelid, attnum);
rawEnt = (RawColumnDefault *) palloc(sizeof(RawColumnDefault));
rawEnt->attnum = attnum;
- rawEnt->raw_default = newDefault;
+ rawEnt->raw_default = newDefault;
rawDefaults = lappend(rawDefaults, rawEnt);
- /*
- * This function is intended for CREATE TABLE,
- * so it processes a _list_ of defaults, but we just do one.
- */
- AddRelationRawConstraints(rel, rawDefaults, NIL);
- }
-
- else /* DROP DEFAULT */
- {
- Relation attr_rel;
- ScanKeyData scankeys[3];
- HeapScanDesc scan;
- HeapTuple tuple;
-
- attr_rel = heap_openr(AttributeRelationName, AccessExclusiveLock);
- ScanKeyEntryInitialize(&scankeys[0], 0x0, Anum_pg_attribute_attrelid, F_OIDEQ,
- ObjectIdGetDatum(myrelid));
- ScanKeyEntryInitialize(&scankeys[1], 0x0, Anum_pg_attribute_attnum, F_INT2EQ,
- Int16GetDatum(attnum));
- ScanKeyEntryInitialize(&scankeys[2], 0x0, Anum_pg_attribute_atthasdef, F_BOOLEQ,
- TRUE);
-
- scan = heap_beginscan(attr_rel, false, SnapshotNow, 3, scankeys);
- AssertState(scan!=NULL);
-
- if (HeapTupleIsValid(tuple = heap_getnext(scan, 0)))
- {
- HeapTuple newtuple;
- Relation irelations[Num_pg_attr_indices];
-
- /* update to false */
- newtuple = heap_copytuple(tuple);
- ((Form_pg_attribute) GETSTRUCT(newtuple))->atthasdef = FALSE;
- heap_update(attr_rel, &tuple->t_self, newtuple, NULL);
-
- /* keep the system catalog indices current */
- CatalogOpenIndices(Num_pg_attr_indices, Name_pg_attr_indices, irelations);
- CatalogIndexInsert(irelations, Num_pg_attr_indices, attr_rel, newtuple);
- CatalogCloseIndices(Num_pg_attr_indices, irelations);
-
- /* get rid of actual default definition */
- drop_default(myrelid, attnum);
- }
-
- heap_endscan(scan);
- heap_close(attr_rel, NoLock);
- }
+ /*
+ * This function is intended for CREATE TABLE, so it processes a
+ * _list_ of defaults, but we just do one.
+ */
+ AddRelationRawConstraints(rel, rawDefaults, NIL);
+ }
+
+ else
+/* DROP DEFAULT */
+ {
+ Relation attr_rel;
+ ScanKeyData scankeys[3];
+ HeapScanDesc scan;
+ HeapTuple tuple;
+
+ attr_rel = heap_openr(AttributeRelationName, AccessExclusiveLock);
+ ScanKeyEntryInitialize(&scankeys[0], 0x0, Anum_pg_attribute_attrelid, F_OIDEQ,
+ ObjectIdGetDatum(myrelid));
+ ScanKeyEntryInitialize(&scankeys[1], 0x0, Anum_pg_attribute_attnum, F_INT2EQ,
+ Int16GetDatum(attnum));
+ ScanKeyEntryInitialize(&scankeys[2], 0x0, Anum_pg_attribute_atthasdef, F_BOOLEQ,
+ TRUE);
+
+ scan = heap_beginscan(attr_rel, false, SnapshotNow, 3, scankeys);
+ AssertState(scan != NULL);
+
+ if (HeapTupleIsValid(tuple = heap_getnext(scan, 0)))
+ {
+ HeapTuple newtuple;
+ Relation irelations[Num_pg_attr_indices];
+
+ /* update to false */
+ newtuple = heap_copytuple(tuple);
+ ((Form_pg_attribute) GETSTRUCT(newtuple))->atthasdef = FALSE;
+ heap_update(attr_rel, &tuple->t_self, newtuple, NULL);
+
+ /* keep the system catalog indices current */
+ CatalogOpenIndices(Num_pg_attr_indices, Name_pg_attr_indices, irelations);
+ CatalogIndexInsert(irelations, Num_pg_attr_indices, attr_rel, newtuple);
+ CatalogCloseIndices(Num_pg_attr_indices, irelations);
+
+ /* get rid of actual default definition */
+ drop_default(myrelid, attnum);
+ }
+
+ heap_endscan(scan);
+ heap_close(attr_rel, NoLock);
+ }
heap_close(rel, NoLock);
}
static void
drop_default(Oid relid, int16 attnum)
{
- ScanKeyData scankeys[2];
- HeapScanDesc scan;
- Relation attrdef_rel;
- HeapTuple tuple;
+ ScanKeyData scankeys[2];
+ HeapScanDesc scan;
+ Relation attrdef_rel;
+ HeapTuple tuple;
- attrdef_rel = heap_openr(AttrDefaultRelationName, AccessExclusiveLock);
- ScanKeyEntryInitialize(&scankeys[0], 0x0, Anum_pg_attrdef_adrelid, F_OIDEQ,
- ObjectIdGetDatum(relid));
- ScanKeyEntryInitialize(&scankeys[1], 0x0, Anum_pg_attrdef_adnum, F_INT2EQ,
- Int16GetDatum(attnum));
+ attrdef_rel = heap_openr(AttrDefaultRelationName, AccessExclusiveLock);
+ ScanKeyEntryInitialize(&scankeys[0], 0x0, Anum_pg_attrdef_adrelid, F_OIDEQ,
+ ObjectIdGetDatum(relid));
+ ScanKeyEntryInitialize(&scankeys[1], 0x0, Anum_pg_attrdef_adnum, F_INT2EQ,
+ Int16GetDatum(attnum));
- scan = heap_beginscan(attrdef_rel, false, SnapshotNow, 2, scankeys);
- AssertState(scan!=NULL);
+ scan = heap_beginscan(attrdef_rel, false, SnapshotNow, 2, scankeys);
+ AssertState(scan != NULL);
- if (HeapTupleIsValid(tuple = heap_getnext(scan, 0)))
- heap_delete(attrdef_rel, &tuple->t_self, NULL);
+ if (HeapTupleIsValid(tuple = heap_getnext(scan, 0)))
+ heap_delete(attrdef_rel, &tuple->t_self, NULL);
- heap_endscan(scan);
+ heap_endscan(scan);
- heap_close(attrdef_rel, NoLock);
+ heap_close(attrdef_rel, NoLock);
}
#ifdef _DROP_COLUMN_HACK__
/*
* ALTER TABLE DROP COLUMN trial implementation
- *
+ *
*/
/*
{
Relation heap_rel;
Relation irel;
- HeapScanDesc scan;
- IndexScanDesc iscan;
- HeapTupleData tuple;
+ HeapScanDesc scan;
+ IndexScanDesc iscan;
+ HeapTupleData tuple;
Buffer buffer;
-} SysScanDescData, *SysScanDesc;
-
+} SysScanDescData, *SysScanDesc;
+
static void *
systable_beginscan(Relation rel, const char *indexRelname, int nkeys, ScanKey entry)
{
- bool hasindex = (rel->rd_rel->relhasindex && !IsIgnoringSystemIndexes());
- SysScanDesc sysscan;
+ bool hasindex = (rel->rd_rel->relhasindex && !IsIgnoringSystemIndexes());
+ SysScanDesc sysscan;
sysscan = (SysScanDesc) palloc(sizeof(SysScanDescData));
sysscan->heap_rel = rel;
sysscan->buffer = InvalidBuffer;
if (hasindex)
{
- sysscan->irel = index_openr((char *)indexRelname);
+ sysscan->irel = index_openr((char *) indexRelname);
sysscan->iscan = index_beginscan(sysscan->irel, false, nkeys, entry);
}
else
static void
systable_endscan(void *scan)
{
- SysScanDesc sysscan = (SysScanDesc) scan;
+ SysScanDesc sysscan = (SysScanDesc) scan;
if (sysscan->irel)
{
static HeapTuple
systable_getnext(void *scan)
{
- SysScanDesc sysscan = (SysScanDesc) scan;
+ SysScanDesc sysscan = (SysScanDesc) scan;
HeapTuple htup = (HeapTuple) NULL;
- RetrieveIndexResult indexRes;
+ RetrieveIndexResult indexRes;
if (sysscan->irel)
{
return false;
if (IsA(node, Var))
{
- Var *var = (Var *) node;
+ Var *var = (Var *) node;
+
if (var->varlevelsup == 0 && var->varno == 1 &&
var->varattno == attnum)
return true;
}
- return expression_tree_walker(node, find_attribute_walker, (void *)attnum);
+ return expression_tree_walker(node, find_attribute_walker, (void *) attnum);
}
static bool
find_attribute_in_node(Node *node, int attnum)
{
- return expression_tree_walker(node, find_attribute_walker, (void *)attnum);
+ return expression_tree_walker(node, find_attribute_walker, (void *) attnum);
}
+
/*
* Remove/check references for the column
*/
static bool
RemoveColumnReferences(Oid reloid, int attnum, bool checkonly, HeapTuple reltup)
{
- Relation indexRelation, rcrel;
- ScanKeyData entry;
- HeapScanDesc scan;
- void *sysscan;
- HeapTuple htup, indexTuple;
- Form_pg_index index;
- Form_pg_relcheck relcheck;
- Form_pg_class pgcform = (Form_pg_class) NULL;
- int i;
+ Relation indexRelation,
+ rcrel;
+ ScanKeyData entry;
+ HeapScanDesc scan;
+ void *sysscan;
+ HeapTuple htup,
+ indexTuple;
+ Form_pg_index index;
+ Form_pg_relcheck relcheck;
+ Form_pg_class pgcform = (Form_pg_class) NULL;
+ int i;
bool checkok = true;
-
+
if (!checkonly)
- pgcform = (Form_pg_class) GETSTRUCT (reltup);
+ pgcform = (Form_pg_class) GETSTRUCT(reltup);
+
/*
- * Remove/check constraints here
+ * Remove/check constraints here
*/
ScanKeyEntryInitialize(&entry, (bits16) 0x0, Anum_pg_relcheck_rcrelid,
- (RegProcedure) F_OIDEQ, ObjectIdGetDatum(reloid));
+ (RegProcedure) F_OIDEQ, ObjectIdGetDatum(reloid));
rcrel = heap_openr(RelCheckRelationName, RowExclusiveLock);
- sysscan = systable_beginscan(rcrel, RelCheckIndex,1 ,&entry);
+ sysscan = systable_beginscan(rcrel, RelCheckIndex, 1, &entry);
while (HeapTupleIsValid(htup = systable_getnext(sysscan)))
{
- char *ccbin;
- Node *node;
+ char *ccbin;
+ Node *node;
relcheck = (Form_pg_relcheck) GETSTRUCT(htup);
ccbin = textout(&relcheck->rcbin);
heap_close(rcrel, NoLock);
/*
- * What to do with triggers/rules/views/procedues ?
+ * What to do with triggers/rules/views/procedues ?
*/
/*
- * Remove/check indexes
+ * Remove/check indexes
*/
indexRelation = heap_openr(IndexRelationName, RowExclusiveLock);
ScanKeyEntryInitialize(&entry, 0, Anum_pg_index_indrelid, F_OIDEQ,
- ObjectIdGetDatum(reloid));
+ ObjectIdGetDatum(reloid));
scan = heap_beginscan(indexRelation, false, SnapshotNow, 1, &entry);
while (HeapTupleIsValid(indexTuple = heap_getnext(scan, 0)))
{
else
{
htup = SearchSysCacheTuple(RELOID,
- ObjectIdGetDatum(index->indexrelid),
- 0, 0, 0);
+ ObjectIdGetDatum(index->indexrelid),
+ 0, 0, 0);
RemoveIndex(NameStr(((Form_pg_class) GETSTRUCT(htup))->relname));
}
break;
return checkok;
}
-#endif /* _DROP_COLUMN_HACK__ */
+
+#endif /* _DROP_COLUMN_HACK__ */
/*
* ALTER TABLE DROP COLUMN
*/
void
AlterTableDropColumn(const char *relationName,
- bool inh, const char *colName,
- int behavior)
+ bool inh, const char *colName,
+ int behavior)
{
#ifdef _DROP_COLUMN_HACK__
- Relation rel, attrdesc, adrel;
- Oid myrelid, attoid;
+ Relation rel,
+ attrdesc,
+ adrel;
+ Oid myrelid,
+ attoid;
HeapTuple reltup;
- HeapTupleData classtuple;
+ HeapTupleData classtuple;
Buffer buffer;
Form_pg_attribute attribute;
HeapTuple tup;
Relation idescs[Num_pg_attr_indices];
- int attnum;
+ int attnum;
bool hasindex;
char dropColname[32];
- void *sysscan;
- ScanKeyData scankeys[2];
+ void *sysscan;
+ ScanKeyData scankeys[2];
- if (inh)
+ if (inh)
elog(ERROR, "ALTER TABLE / DROP COLUMN with inherit option is not supported yet");
+
/*
* permissions checking. this would normally be done in utility.c,
* but this particular routine is recursive.
#endif
/*
- * Grab an exclusive lock on the target table, which we will NOT release
- * until end of transaction.
+ * Grab an exclusive lock on the target table, which we will NOT
+ * release until end of transaction.
*/
rel = heap_openr(relationName, AccessExclusiveLock);
myrelid = RelationGetRelid(rel);
heap_close(rel, NoLock); /* close rel but keep lock! */
/*
- * What to do when rel has inheritors ?
+ * What to do when rel has inheritors ?
*/
if (length(find_all_inheritors(myrelid)) > 1)
elog(ERROR, "ALTER TABLE: cannot drop a column on table that is inherited from");
/*
- * lock the pg_class tuple for update
+ * lock the pg_class tuple for update
*/
reltup = SearchSysCacheTuple(RELNAME, PointerGetDatum(relationName),
- 0, 0, 0);
+ 0, 0, 0);
if (!HeapTupleIsValid(reltup))
elog(ERROR, "ALTER TABLE: relation \"%s\" not found",
* Get the target pg_attribute tuple
*/
tup = SearchSysCacheTupleCopy(ATTNAME,
- ObjectIdGetDatum(reltup->t_data->t_oid),
- PointerGetDatum(colName), 0, 0);
+ ObjectIdGetDatum(reltup->t_data->t_oid),
+ PointerGetDatum(colName), 0, 0);
if (!HeapTupleIsValid(tup))
elog(ERROR, "ALTER TABLE: column name \"%s\" doesn't exist in table \"%s\"",
- colName, relationName);
+ colName, relationName);
attribute = (Form_pg_attribute) GETSTRUCT(tup);
if (attribute->attnum <= 0)
elog(ERROR, "ALTER TABLE: column name \"%s\" was already dropped", colName);
attnum = attribute->attnum;
attoid = tup->t_data->t_oid;
+
/*
- * Check constraints/indices etc here
+ * Check constraints/indices etc here
*/
if (behavior != CASCADE)
{
}
/*
- * change the target pg_attribute tuple
+ * change the target pg_attribute tuple
*/
sprintf(dropColname, "*already Dropped*%d", attnum);
namestrcpy(&(attribute->attname), dropColname);
{
CatalogOpenIndices(Num_pg_attr_indices, Name_pg_attr_indices, idescs);
CatalogIndexInsert(idescs, Num_pg_attr_indices,
- attrdesc, tup);
+ attrdesc, tup);
CatalogCloseIndices(Num_pg_attr_indices, idescs);
}
heap_close(attrdesc, NoLock);
/* delete attrdef */
adrel = heap_openr(AttrDefaultRelationName, RowExclusiveLock);
ScanKeyEntryInitialize(&scankeys[0], 0x0, Anum_pg_attrdef_adrelid,
- F_OIDEQ, ObjectIdGetDatum(myrelid));
- /* Oops pg_attrdef doesn't have (adrelid,adnum) index
- ScanKeyEntryInitialize(&scankeys[1], 0x0, Anum_pg_attrdef_adnum,
- F_INT2EQ, Int16GetDatum(attnum));
- sysscan = systable_beginscan(adrel, AttrDefaultIndex, 2, scankeys);
- */
+ F_OIDEQ, ObjectIdGetDatum(myrelid));
+
+ /*
+ * Oops pg_attrdef doesn't have (adrelid,adnum) index
+ * ScanKeyEntryInitialize(&scankeys[1], 0x0, Anum_pg_attrdef_adnum,
+ * F_INT2EQ, Int16GetDatum(attnum)); sysscan =
+ * systable_beginscan(adrel, AttrDefaultIndex, 2, scankeys);
+ */
sysscan = systable_beginscan(adrel, AttrDefaultIndex, 1, scankeys);
while (HeapTupleIsValid(tup = systable_getnext(sysscan)))
- {
+ {
if (((Form_pg_attrdef) GETSTRUCT(tup))->adnum == attnum)
{
heap_delete(adrel, &tup->t_self, NULL);
}
systable_endscan(sysscan);
heap_close(adrel, NoLock);
+
/*
- * Remove objects which reference this column
+ * Remove objects which reference this column
*/
if (behavior == CASCADE)
{
heap_freetuple(reltup);
heap_close(rel, NoLock);
#else
- elog(ERROR, "ALTER TABLE / DROP COLUMN is not implemented");
-#endif /* _DROP_COLUMN_HACK__ */
+ elog(ERROR, "ALTER TABLE / DROP COLUMN is not implemented");
+#endif /* _DROP_COLUMN_HACK__ */
}
*/
void
AlterTableAddConstraint(const char *relationName,
- bool inh, Node *newConstraint)
+ bool inh, Node *newConstraint)
{
- if (newConstraint == NULL)
+ if (newConstraint == NULL)
elog(ERROR, "ALTER TABLE / ADD CONSTRAINT passed invalid constraint.");
- switch (nodeTag(newConstraint))
+ switch (nodeTag(newConstraint))
{
case T_Constraint:
elog(ERROR, "ALTER TABLE / ADD CONSTRAINT is not implemented");
case T_FkConstraint:
{
- FkConstraint *fkconstraint=(FkConstraint *)newConstraint;
- Relation rel;
+ FkConstraint *fkconstraint = (FkConstraint *) newConstraint;
+ Relation rel;
HeapScanDesc scan;
- HeapTuple tuple;
- Trigger trig;
- List *list;
- int count;
+ HeapTuple tuple;
+ Trigger trig;
+ List *list;
+ int count;
- /*
+ /*
* Grab an exclusive lock on the pk table, so that someone
- * doesn't delete rows out from under us.
+ * doesn't delete rows out from under us.
*/
rel = heap_openr(fkconstraint->pktable_name, AccessExclusiveLock);
heap_close(rel, NoLock);
- /*
- * Grab an exclusive lock on the fk table, and then scan through
- * each tuple, calling the RI_FKey_Match_Ins (insert trigger)
- * as if that tuple had just been inserted. If any of those
- * fail, it should elog(ERROR) and that's that.
+ /*
+ * Grab an exclusive lock on the fk table, and then scan
+ * through each tuple, calling the RI_FKey_Match_Ins
+ * (insert trigger) as if that tuple had just been
+ * inserted. If any of those fail, it should elog(ERROR)
+ * and that's that.
*/
rel = heap_openr(relationName, AccessExclusiveLock);
trig.tgoid = 0;
trig.tgname = "<unknown>";
- trig.tgfoid = 0;
+ trig.tgfoid = 0;
trig.tgtype = 0;
trig.tgenabled = TRUE;
trig.tgisconstraint = TRUE;
trig.tginitdeferred = FALSE;
trig.tgdeferrable = FALSE;
- trig.tgargs = (char **)palloc(
- sizeof(char *) * (4 + length(fkconstraint->fk_attrs)
- + length(fkconstraint->pk_attrs)));
-
+ trig.tgargs = (char **) palloc(
+ sizeof(char *) * (4 + length(fkconstraint->fk_attrs)
+ + length(fkconstraint->pk_attrs)));
+
trig.tgargs[0] = "<unnamed>";
- trig.tgargs[1] = (char *)relationName;
+ trig.tgargs[1] = (char *) relationName;
trig.tgargs[2] = fkconstraint->pktable_name;
trig.tgargs[3] = fkconstraint->match_type;
count = 4;
- foreach (list, fkconstraint->fk_attrs)
+ foreach(list, fkconstraint->fk_attrs)
{
- Ident *fk_at = lfirst(list);
+ Ident *fk_at = lfirst(list);
+
trig.tgargs[count++] = fk_at->name;
}
- foreach (list, fkconstraint->pk_attrs)
+ foreach(list, fkconstraint->pk_attrs)
{
- Ident *pk_at = lfirst(list);
+ Ident *pk_at = lfirst(list);
+
trig.tgargs[count++] = pk_at->name;
}
trig.tgnargs = count;
scan = heap_beginscan(rel, false, SnapshotNow, 0, NULL);
- AssertState(scan!=NULL);
+ AssertState(scan != NULL);
while (HeapTupleIsValid(tuple = heap_getnext(scan, 0)))
{
TriggerData newtrigdata;
+
newtrigdata.tg_event = TRIGGER_EVENT_INSERT | TRIGGER_EVENT_ROW;
newtrigdata.tg_relation = rel;
newtrigdata.tg_trigtuple = tuple;
/* Make a call to the check function */
}
heap_endscan(scan);
- heap_close(rel, NoLock); /* close rel but keep lock! */
+ heap_close(rel, NoLock); /* close rel but keep
+ * lock! */
pfree(trig.tgargs);
}
*/
void
AlterTableDropConstraint(const char *relationName,
- bool inh, const char *constrName,
- int behavior)
+ bool inh, const char *constrName,
+ int behavior)
{
- elog(ERROR, "ALTER TABLE / DROP CONSTRAINT is not implemented");
+ elog(ERROR, "ALTER TABLE / DROP CONSTRAINT is not implemented");
}
int aclresult;
rel = heap_openr(lockstmt->relname, NoLock);
- if (! RelationIsValid(rel))
+ if (!RelationIsValid(rel))
elog(ERROR, "Relation '%s' does not exist", lockstmt->relname);
if (lockstmt->mode == AccessShareLock)
*------------------------------------------------------------------
*/
-void CommentObject(int objtype, char *objname, char *objproperty,
- List *objlist, char *comment) {
-
- switch (objtype) {
- case (INDEX):
- case (SEQUENCE):
- case (TABLE):
- case (VIEW):
- CommentRelation(objtype, objname, comment);
- break;
- case (COLUMN):
- CommentAttribute(objname, objproperty, comment);
- break;
- case (DATABASE):
- CommentDatabase(objname, comment);
- break;
- case (RULE):
- CommentRewrite(objname, comment);
- break;
- case (TYPE_P):
- CommentType(objname, comment);
- break;
- case (AGGREGATE):
- CommentAggregate(objname, objproperty, comment);
- break;
- case (FUNCTION):
- CommentProc(objname, objlist, comment);
- break;
- case (OPERATOR):
- CommentOperator(objname, objlist, comment);
- break;
- case (TRIGGER):
- CommentTrigger(objname, objproperty, comment);
- break;
- default:
- elog(ERROR, "An attempt was made to comment on a unknown type: %i",
- objtype);
- }
+void
+CommentObject(int objtype, char *objname, char *objproperty,
+ List *objlist, char *comment)
+{
+
+ switch (objtype)
+ {
+ case (INDEX):
+ case (SEQUENCE):
+ case (TABLE):
+ case (VIEW):
+ CommentRelation(objtype, objname, comment);
+ break;
+ case (COLUMN):
+ CommentAttribute(objname, objproperty, comment);
+ break;
+ case (DATABASE):
+ CommentDatabase(objname, comment);
+ break;
+ case (RULE):
+ CommentRewrite(objname, comment);
+ break;
+ case (TYPE_P):
+ CommentType(objname, comment);
+ break;
+ case (AGGREGATE):
+ CommentAggregate(objname, objproperty, comment);
+ break;
+ case (FUNCTION):
+ CommentProc(objname, objlist, comment);
+ break;
+ case (OPERATOR):
+ CommentOperator(objname, objlist, comment);
+ break;
+ case (TRIGGER):
+ CommentTrigger(objname, objproperty, comment);
+ break;
+ default:
+ elog(ERROR, "An attempt was made to comment on a unknown type: %i",
+ objtype);
+ }
}
*------------------------------------------------------------------
*/
-void CreateComments(Oid oid, char *comment) {
-
- Relation description;
- TupleDesc tupDesc;
- HeapScanDesc scan;
- ScanKeyData entry;
- HeapTuple desctuple = NULL, searchtuple;
- Datum values[Natts_pg_description];
- char nulls[Natts_pg_description];
- char replaces[Natts_pg_description];
- bool modified = false;
- int i;
-
- /*** Open pg_description, form a new tuple, if necessary ***/
-
- description = heap_openr(DescriptionRelationName, RowExclusiveLock);
- tupDesc = description->rd_att;
- if ((comment != NULL) && (strlen(comment) > 0)) {
- for (i = 0; i < Natts_pg_description; i++) {
- nulls[i] = ' ';
- replaces[i] = 'r';
- values[i] = (Datum) NULL;
- }
- i = 0;
- values[i++] = ObjectIdGetDatum(oid);
- values[i++] = (Datum) fmgr(F_TEXTIN, comment);
- }
-
- /*** Now, open pg_description and attempt to find the old tuple ***/
-
- ScanKeyEntryInitialize(&entry, 0x0, Anum_pg_description_objoid, F_OIDEQ,
- ObjectIdGetDatum(oid));
- scan = heap_beginscan(description, false, SnapshotNow, 1, &entry);
- searchtuple = heap_getnext(scan, 0);
-
- /*** If a previous tuple exists, either delete or prep replacement ***/
-
- if (HeapTupleIsValid(searchtuple)) {
-
- /*** If the comment is blank, call heap_delete, else heap_update ***/
-
- if ((comment == NULL) || (strlen(comment) == 0)) {
- heap_delete(description, &searchtuple->t_self, NULL);
- } else {
- desctuple = heap_modifytuple(searchtuple, description, values,
- nulls, replaces);
- heap_update(description, &searchtuple->t_self, desctuple, NULL);
- modified = TRUE;
- }
-
- } else {
-
- /*** Only if comment is non-blank do we form a new tuple ***/
-
- if ((comment != NULL) && (strlen(comment) > 0)) {
- desctuple = heap_formtuple(tupDesc, values, nulls);
- heap_insert(description, desctuple);
- modified = TRUE;
+void
+CreateComments(Oid oid, char *comment)
+{
+
+ Relation description;
+ TupleDesc tupDesc;
+ HeapScanDesc scan;
+ ScanKeyData entry;
+ HeapTuple desctuple = NULL,
+ searchtuple;
+ Datum values[Natts_pg_description];
+ char nulls[Natts_pg_description];
+ char replaces[Natts_pg_description];
+ bool modified = false;
+ int i;
+
+ /*** Open pg_description, form a new tuple, if necessary ***/
+
+ description = heap_openr(DescriptionRelationName, RowExclusiveLock);
+ tupDesc = description->rd_att;
+ if ((comment != NULL) && (strlen(comment) > 0))
+ {
+ for (i = 0; i < Natts_pg_description; i++)
+ {
+ nulls[i] = ' ';
+ replaces[i] = 'r';
+ values[i] = (Datum) NULL;
+ }
+ i = 0;
+ values[i++] = ObjectIdGetDatum(oid);
+ values[i++] = (Datum) fmgr(F_TEXTIN, comment);
+ }
+
+ /*** Now, open pg_description and attempt to find the old tuple ***/
+
+ ScanKeyEntryInitialize(&entry, 0x0, Anum_pg_description_objoid, F_OIDEQ,
+ ObjectIdGetDatum(oid));
+ scan = heap_beginscan(description, false, SnapshotNow, 1, &entry);
+ searchtuple = heap_getnext(scan, 0);
+
+ /*** If a previous tuple exists, either delete or prep replacement ***/
+
+ if (HeapTupleIsValid(searchtuple))
+ {
+
+ /*** If the comment is blank, call heap_delete, else heap_update ***/
+
+ if ((comment == NULL) || (strlen(comment) == 0))
+ heap_delete(description, &searchtuple->t_self, NULL);
+ else
+ {
+ desctuple = heap_modifytuple(searchtuple, description, values,
+ nulls, replaces);
+ heap_update(description, &searchtuple->t_self, desctuple, NULL);
+ modified = TRUE;
+ }
+
}
+ else
+ {
+
+ /*** Only if comment is non-blank do we form a new tuple ***/
+
+ if ((comment != NULL) && (strlen(comment) > 0))
+ {
+ desctuple = heap_formtuple(tupDesc, values, nulls);
+ heap_insert(description, desctuple);
+ modified = TRUE;
+ }
- }
+ }
- /*** Complete the scan, update indices, if necessary ***/
+ /*** Complete the scan, update indices, if necessary ***/
- heap_endscan(scan);
+ heap_endscan(scan);
- if (modified) {
- if (RelationGetForm(description)->relhasindex) {
- Relation idescs[Num_pg_description_indices];
+ if (modified)
+ {
+ if (RelationGetForm(description)->relhasindex)
+ {
+ Relation idescs[Num_pg_description_indices];
- CatalogOpenIndices(Num_pg_description_indices,
- Name_pg_description_indices, idescs);
- CatalogIndexInsert(idescs, Num_pg_description_indices, description,
- desctuple);
- CatalogCloseIndices(Num_pg_description_indices, idescs);
- }
- heap_freetuple(desctuple);
+ CatalogOpenIndices(Num_pg_description_indices,
+ Name_pg_description_indices, idescs);
+ CatalogIndexInsert(idescs, Num_pg_description_indices, description,
+ desctuple);
+ CatalogCloseIndices(Num_pg_description_indices, idescs);
+ }
+ heap_freetuple(desctuple);
- }
+ }
- heap_close(description, RowExclusiveLock);
+ heap_close(description, RowExclusiveLock);
}
*------------------------------------------------------------------
*/
-void DeleteComments(Oid oid) {
+void
+DeleteComments(Oid oid)
+{
- Relation description;
- TupleDesc tupDesc;
- ScanKeyData entry;
- HeapScanDesc scan;
- HeapTuple searchtuple;
+ Relation description;
+ TupleDesc tupDesc;
+ ScanKeyData entry;
+ HeapScanDesc scan;
+ HeapTuple searchtuple;
- description = heap_openr(DescriptionRelationName, RowExclusiveLock);
- tupDesc = description->rd_att;
+ description = heap_openr(DescriptionRelationName, RowExclusiveLock);
+ tupDesc = description->rd_att;
- /*** Now, open pg_description and attempt to find the old tuple ***/
+ /*** Now, open pg_description and attempt to find the old tuple ***/
- ScanKeyEntryInitialize(&entry, 0x0, Anum_pg_description_objoid, F_OIDEQ,
- ObjectIdGetDatum(oid));
- scan = heap_beginscan(description, false, SnapshotNow, 1, &entry);
- searchtuple = heap_getnext(scan, 0);
+ ScanKeyEntryInitialize(&entry, 0x0, Anum_pg_description_objoid, F_OIDEQ,
+ ObjectIdGetDatum(oid));
+ scan = heap_beginscan(description, false, SnapshotNow, 1, &entry);
+ searchtuple = heap_getnext(scan, 0);
- /*** If a previous tuple exists, delete it ***/
+ /*** If a previous tuple exists, delete it ***/
- if (HeapTupleIsValid(searchtuple)) {
- heap_delete(description, &searchtuple->t_self, NULL);
- }
+ if (HeapTupleIsValid(searchtuple))
+ heap_delete(description, &searchtuple->t_self, NULL);
- /*** Complete the scan, update indices, if necessary ***/
+ /*** Complete the scan, update indices, if necessary ***/
- heap_endscan(scan);
- heap_close(description, RowExclusiveLock);
+ heap_endscan(scan);
+ heap_close(description, RowExclusiveLock);
}
*------------------------------------------------------------------
*/
-static void CommentRelation(int reltype, char *relname, char *comment) {
-
- HeapTuple reltuple;
- Oid oid;
- char relkind;
-
- /*** First, check object security ***/
-
- #ifndef NO_SECURITY
- if (!pg_ownercheck(GetPgUserName(), relname, RELNAME)) {
- elog(ERROR, "you are not permitted to comment on class '%s'", relname);
- }
- #endif
-
- /*** Now, attempt to find the oid in the cached version of pg_class ***/
-
- reltuple = SearchSysCacheTuple(RELNAME, PointerGetDatum(relname),
- 0, 0, 0);
- if (!HeapTupleIsValid(reltuple)) {
- elog(ERROR, "relation '%s' does not exist", relname);
- }
-
- oid = reltuple->t_data->t_oid;
-
- /*** Next, verify that the relation type matches the intent ***/
-
- relkind = ((Form_pg_class) GETSTRUCT(reltuple))->relkind;
-
- switch (reltype) {
- case (INDEX):
- if (relkind != 'i') {
- elog(ERROR, "relation '%s' is not an index", relname);
- }
- break;
- case (TABLE):
- if (relkind != 'r') {
- elog(ERROR, "relation '%s' is not a table", relname);
- }
- break;
- case (VIEW):
- if (relkind != 'r') {
- elog(ERROR, "relation '%s' is not a view", relname);
- }
- break;
- case (SEQUENCE):
- if (relkind != 'S') {
- elog(ERROR, "relation '%s' is not a sequence", relname);
- }
- break;
- }
-
- /*** Create the comments using the tuple's oid ***/
-
- CreateComments(oid, comment);
+static void
+CommentRelation(int reltype, char *relname, char *comment)
+{
+
+ HeapTuple reltuple;
+ Oid oid;
+ char relkind;
+
+ /*** First, check object security ***/
+
+#ifndef NO_SECURITY
+ if (!pg_ownercheck(GetPgUserName(), relname, RELNAME))
+ elog(ERROR, "you are not permitted to comment on class '%s'", relname);
+#endif
+
+ /*** Now, attempt to find the oid in the cached version of pg_class ***/
+
+ reltuple = SearchSysCacheTuple(RELNAME, PointerGetDatum(relname),
+ 0, 0, 0);
+ if (!HeapTupleIsValid(reltuple))
+ elog(ERROR, "relation '%s' does not exist", relname);
+
+ oid = reltuple->t_data->t_oid;
+
+ /*** Next, verify that the relation type matches the intent ***/
+
+ relkind = ((Form_pg_class) GETSTRUCT(reltuple))->relkind;
+
+ switch (reltype)
+ {
+ case (INDEX):
+ if (relkind != 'i')
+ elog(ERROR, "relation '%s' is not an index", relname);
+ break;
+ case (TABLE):
+ if (relkind != 'r')
+ elog(ERROR, "relation '%s' is not a table", relname);
+ break;
+ case (VIEW):
+ if (relkind != 'r')
+ elog(ERROR, "relation '%s' is not a view", relname);
+ break;
+ case (SEQUENCE):
+ if (relkind != 'S')
+ elog(ERROR, "relation '%s' is not a sequence", relname);
+ break;
+ }
+
+ /*** Create the comments using the tuple's oid ***/
+
+ CreateComments(oid, comment);
}
* such as a table's column. The routine will check security
* restrictions and then attempt to fetch the oid of the associated
* attribute. If successful, a comment is added/dropped, else an
- * elog() exception is thrown. The parameters are the relation
+ * elog() exception is thrown. The parameters are the relation
* and attribute names, and the comments
*------------------------------------------------------------------
*/
-static void CommentAttribute(char *relname, char *attrname, char *comment) {
+static void
+CommentAttribute(char *relname, char *attrname, char *comment)
+{
- Relation relation;
- HeapTuple attrtuple;
- Oid oid;
+ Relation relation;
+ HeapTuple attrtuple;
+ Oid oid;
- /*** First, check object security ***/
+ /*** First, check object security ***/
- #ifndef NO_SECURITY
- if (!pg_ownercheck(GetPgUserName(), relname, RELNAME)) {
- elog(ERROR, "you are not permitted to comment on class '%s\'", relname);
- }
- #endif
+#ifndef NO_SECURITY
+ if (!pg_ownercheck(GetPgUserName(), relname, RELNAME))
+ elog(ERROR, "you are not permitted to comment on class '%s\'", relname);
+#endif
- /*** Now, fetch the attribute oid from the system cache ***/
+ /*** Now, fetch the attribute oid from the system cache ***/
- relation = heap_openr(relname, AccessShareLock);
- attrtuple = SearchSysCacheTuple(ATTNAME, ObjectIdGetDatum(relation->rd_id),
- PointerGetDatum(attrname), 0, 0);
- if (!HeapTupleIsValid(attrtuple)) {
- elog(ERROR, "'%s' is not an attribute of class '%s'",
- attrname, relname);
- }
- oid = attrtuple->t_data->t_oid;
+ relation = heap_openr(relname, AccessShareLock);
+ attrtuple = SearchSysCacheTuple(ATTNAME, ObjectIdGetDatum(relation->rd_id),
+ PointerGetDatum(attrname), 0, 0);
+ if (!HeapTupleIsValid(attrtuple))
+ {
+ elog(ERROR, "'%s' is not an attribute of class '%s'",
+ attrname, relname);
+ }
+ oid = attrtuple->t_data->t_oid;
- /*** Call CreateComments() to create/drop the comments ***/
+ /*** Call CreateComments() to create/drop the comments ***/
- CreateComments(oid, comment);
+ CreateComments(oid, comment);
- /*** Now, close the heap relation and return ***/
+ /*** Now, close the heap relation and return ***/
- heap_close(relation, AccessShareLock);
+ heap_close(relation, AccessShareLock);
}
*------------------------------------------------------------------
*/
-static void CommentDatabase(char *database, char *comment) {
+static void
+CommentDatabase(char *database, char *comment)
+{
- Relation pg_database;
- HeapTuple dbtuple, usertuple;
- ScanKeyData entry;
- HeapScanDesc scan;
- Oid oid;
- bool superuser;
- int4 dba, userid;
- char *username;
+ Relation pg_database;
+ HeapTuple dbtuple,
+ usertuple;
+ ScanKeyData entry;
+ HeapScanDesc scan;
+ Oid oid;
+ bool superuser;
+ int4 dba,
+ userid;
+ char *username;
- /*** First find the tuple in pg_database for the database ***/
+ /*** First find the tuple in pg_database for the database ***/
- pg_database = heap_openr(DatabaseRelationName, AccessShareLock);
- ScanKeyEntryInitialize(&entry, 0, Anum_pg_database_datname,
- F_NAMEEQ, NameGetDatum(database));
- scan = heap_beginscan(pg_database, 0, SnapshotNow, 1, &entry);
- dbtuple = heap_getnext(scan, 0);
+ pg_database = heap_openr(DatabaseRelationName, AccessShareLock);
+ ScanKeyEntryInitialize(&entry, 0, Anum_pg_database_datname,
+ F_NAMEEQ, NameGetDatum(database));
+ scan = heap_beginscan(pg_database, 0, SnapshotNow, 1, &entry);
+ dbtuple = heap_getnext(scan, 0);
- /*** Validate database exists, and fetch the dba id and oid ***/
+ /*** Validate database exists, and fetch the dba id and oid ***/
- if (!HeapTupleIsValid(dbtuple)) {
- elog(ERROR, "database '%s' does not exist", database);
- }
- dba = ((Form_pg_database) GETSTRUCT(dbtuple))->datdba;
- oid = dbtuple->t_data->t_oid;
+ if (!HeapTupleIsValid(dbtuple))
+ elog(ERROR, "database '%s' does not exist", database);
+ dba = ((Form_pg_database) GETSTRUCT(dbtuple))->datdba;
+ oid = dbtuple->t_data->t_oid;
- /*** Now, fetch user information ***/
+ /*** Now, fetch user information ***/
- username = GetPgUserName();
- usertuple = SearchSysCacheTuple(SHADOWNAME, PointerGetDatum(username),
- 0, 0, 0);
- if (!HeapTupleIsValid(usertuple)) {
- elog(ERROR, "current user '%s' does not exist", username);
- }
- userid = ((Form_pg_shadow) GETSTRUCT(usertuple))->usesysid;
- superuser = ((Form_pg_shadow) GETSTRUCT(usertuple))->usesuper;
+ username = GetPgUserName();
+ usertuple = SearchSysCacheTuple(SHADOWNAME, PointerGetDatum(username),
+ 0, 0, 0);
+ if (!HeapTupleIsValid(usertuple))
+ elog(ERROR, "current user '%s' does not exist", username);
+ userid = ((Form_pg_shadow) GETSTRUCT(usertuple))->usesysid;
+ superuser = ((Form_pg_shadow) GETSTRUCT(usertuple))->usesuper;
- /*** Allow if the userid matches the database dba or is a superuser ***/
+ /*** Allow if the userid matches the database dba or is a superuser ***/
- #ifndef NO_SECURITY
- if (!(superuser || (userid == dba))) {
- elog(ERROR, "you are not permitted to comment on database '%s'",
- database);
- }
- #endif
+#ifndef NO_SECURITY
+ if (!(superuser || (userid == dba)))
+ {
+ elog(ERROR, "you are not permitted to comment on database '%s'",
+ database);
+ }
+#endif
- /*** Create the comments with the pg_database oid ***/
+ /*** Create the comments with the pg_database oid ***/
- CreateComments(oid, comment);
+ CreateComments(oid, comment);
- /*** Complete the scan and close any opened relations ***/
+ /*** Complete the scan and close any opened relations ***/
- heap_endscan(scan);
- heap_close(pg_database, AccessShareLock);
+ heap_endscan(scan);
+ heap_close(pg_database, AccessShareLock);
}
*------------------------------------------------------------------
*/
-static void CommentRewrite(char *rule, char *comment) {
+static void
+CommentRewrite(char *rule, char *comment)
+{
- HeapTuple rewritetuple;
- Oid oid;
- char *user, *relation;
- int aclcheck;
+ HeapTuple rewritetuple;
+ Oid oid;
+ char *user,
+ *relation;
+ int aclcheck;
- /*** First, validate user ***/
+ /*** First, validate user ***/
- #ifndef NO_SECURITY
- user = GetPgUserName();
- relation = RewriteGetRuleEventRel(rule);
- aclcheck = pg_aclcheck(relation, user, ACL_RU);
- if (aclcheck != ACLCHECK_OK) {
- elog(ERROR, "you are not permitted to comment on rule '%s'",
- rule);
- }
- #endif
+#ifndef NO_SECURITY
+ user = GetPgUserName();
+ relation = RewriteGetRuleEventRel(rule);
+ aclcheck = pg_aclcheck(relation, user, ACL_RU);
+ if (aclcheck != ACLCHECK_OK)
+ {
+ elog(ERROR, "you are not permitted to comment on rule '%s'",
+ rule);
+ }
+#endif
- /*** Next, find the rule's oid ***/
+ /*** Next, find the rule's oid ***/
- rewritetuple = SearchSysCacheTuple(RULENAME, PointerGetDatum(rule),
- 0, 0, 0);
- if (!HeapTupleIsValid(rewritetuple)) {
- elog(ERROR, "rule '%s' does not exist", rule);
- }
+ rewritetuple = SearchSysCacheTuple(RULENAME, PointerGetDatum(rule),
+ 0, 0, 0);
+ if (!HeapTupleIsValid(rewritetuple))
+ elog(ERROR, "rule '%s' does not exist", rule);
- oid = rewritetuple->t_data->t_oid;
+ oid = rewritetuple->t_data->t_oid;
- /*** Call CreateComments() to create/drop the comments ***/
+ /*** Call CreateComments() to create/drop the comments ***/
- CreateComments(oid, comment);
+ CreateComments(oid, comment);
}
*------------------------------------------------------------------
*/
-static void CommentType(char *type, char *comment) {
+static void
+CommentType(char *type, char *comment)
+{
- HeapTuple typetuple;
- Oid oid;
- char *user;
+ HeapTuple typetuple;
+ Oid oid;
+ char *user;
- /*** First, validate user ***/
+ /*** First, validate user ***/
- #ifndef NO_SECURITY
- user = GetPgUserName();
- if (!pg_ownercheck(user, type, TYPENAME)) {
- elog(ERROR, "you are not permitted to comment on type '%s'",
- type);
- }
- #endif
+#ifndef NO_SECURITY
+ user = GetPgUserName();
+ if (!pg_ownercheck(user, type, TYPENAME))
+ {
+ elog(ERROR, "you are not permitted to comment on type '%s'",
+ type);
+ }
+#endif
- /*** Next, find the type's oid ***/
+ /*** Next, find the type's oid ***/
- typetuple = SearchSysCacheTuple(TYPENAME, PointerGetDatum(type),
- 0, 0, 0);
- if (!HeapTupleIsValid(typetuple)) {
- elog(ERROR, "type '%s' does not exist", type);
- }
+ typetuple = SearchSysCacheTuple(TYPENAME, PointerGetDatum(type),
+ 0, 0, 0);
+ if (!HeapTupleIsValid(typetuple))
+ elog(ERROR, "type '%s' does not exist", type);
- oid = typetuple->t_data->t_oid;
+ oid = typetuple->t_data->t_oid;
- /*** Call CreateComments() to create/drop the comments ***/
+ /*** Call CreateComments() to create/drop the comments ***/
- CreateComments(oid, comment);
+ CreateComments(oid, comment);
}
*------------------------------------------------------------------
*/
-static void CommentAggregate(char *aggregate, char *argument, char *comment) {
-
- HeapTuple aggtuple;
- Oid baseoid, oid;
- bool defined;
- char *user;
-
- /*** First, attempt to determine the base aggregate oid ***/
-
- if (argument) {
- baseoid = TypeGet(argument, &defined);
- if (!OidIsValid(baseoid)) {
- elog(ERROR, "aggregate type '%s' does not exist", argument);
- }
- } else {
- baseoid = 0;
- }
-
- /*** Next, validate the user's attempt to comment ***/
-
- #ifndef NO_SECURITY
- user = GetPgUserName();
- if (!pg_aggr_ownercheck(user, aggregate, baseoid)) {
- if (argument) {
- elog(ERROR, "you are not permitted to comment on aggregate '%s' %s '%s'",
- aggregate, "with type", argument);
- } else {
- elog(ERROR, "you are not permitted to comment on aggregate '%s'",
- aggregate);
- }
- }
- #endif
-
- /*** Now, attempt to find the actual tuple in pg_aggregate ***/
-
- aggtuple = SearchSysCacheTuple(AGGNAME, PointerGetDatum(aggregate),
- ObjectIdGetDatum(baseoid), 0, 0);
- if (!HeapTupleIsValid(aggtuple)) {
- if (argument) {
- elog(ERROR, "aggregate type '%s' does not exist for aggregate '%s'",
- argument, aggregate);
- } else {
- elog(ERROR, "aggregate '%s' does not exist", aggregate);
- }
- }
-
- oid = aggtuple->t_data->t_oid;
-
- /*** Call CreateComments() to create/drop the comments ***/
-
- CreateComments(oid, comment);
+static void
+CommentAggregate(char *aggregate, char *argument, char *comment)
+{
+
+ HeapTuple aggtuple;
+ Oid baseoid,
+ oid;
+ bool defined;
+ char *user;
+
+ /*** First, attempt to determine the base aggregate oid ***/
+
+ if (argument)
+ {
+ baseoid = TypeGet(argument, &defined);
+ if (!OidIsValid(baseoid))
+ elog(ERROR, "aggregate type '%s' does not exist", argument);
+ }
+ else
+ baseoid = 0;
+
+ /*** Next, validate the user's attempt to comment ***/
+
+#ifndef NO_SECURITY
+ user = GetPgUserName();
+ if (!pg_aggr_ownercheck(user, aggregate, baseoid))
+ {
+ if (argument)
+ {
+ elog(ERROR, "you are not permitted to comment on aggregate '%s' %s '%s'",
+ aggregate, "with type", argument);
+ }
+ else
+ {
+ elog(ERROR, "you are not permitted to comment on aggregate '%s'",
+ aggregate);
+ }
+ }
+#endif
+
+ /*** Now, attempt to find the actual tuple in pg_aggregate ***/
+
+ aggtuple = SearchSysCacheTuple(AGGNAME, PointerGetDatum(aggregate),
+ ObjectIdGetDatum(baseoid), 0, 0);
+ if (!HeapTupleIsValid(aggtuple))
+ {
+ if (argument)
+ {
+ elog(ERROR, "aggregate type '%s' does not exist for aggregate '%s'",
+ argument, aggregate);
+ }
+ else
+ elog(ERROR, "aggregate '%s' does not exist", aggregate);
+ }
+
+ oid = aggtuple->t_data->t_oid;
+
+ /*** Call CreateComments() to create/drop the comments ***/
+
+ CreateComments(oid, comment);
}
*------------------------------------------------------------------
*/
-static void CommentProc(char *function, List *arguments, char *comment)
+static void
+CommentProc(char *function, List *arguments, char *comment)
{
- HeapTuple argtuple, functuple;
- Oid oid, argoids[FUNC_MAX_ARGS];
- char *user, *argument;
- int i, argcount;
+ HeapTuple argtuple,
+ functuple;
+ Oid oid,
+ argoids[FUNC_MAX_ARGS];
+ char *user,
+ *argument;
+ int i,
+ argcount;
/*** First, initialize function's argument list with their type oids ***/
if (argcount > FUNC_MAX_ARGS)
elog(ERROR, "functions cannot have more than %d arguments",
FUNC_MAX_ARGS);
- for (i = 0; i < argcount; i++) {
+ for (i = 0; i < argcount; i++)
+ {
argument = strVal(lfirst(arguments));
arguments = lnext(arguments);
if (strcmp(argument, "opaque") == 0)
- {
argoids[i] = 0;
- }
else
{
argtuple = SearchSysCacheTuple(TYPENAME,
argument);
argoids[i] = argtuple->t_data->t_oid;
}
- }
+ }
/*** Now, validate the user's ability to comment on this function ***/
*------------------------------------------------------------------
*/
-static void CommentOperator(char *opername, List *arguments, char *comment) {
-
- Form_pg_operator data;
- HeapTuple optuple;
- Oid oid, leftoid = InvalidOid, rightoid = InvalidOid;
- bool defined;
- char oprtype = 0, *user, *lefttype = NULL, *righttype = NULL;
-
- /*** Initialize our left and right argument types ***/
-
- if (lfirst(arguments) != NULL) {
- lefttype = strVal(lfirst(arguments));
- }
- if (lsecond(arguments) != NULL) {
- righttype = strVal(lsecond(arguments));
- }
+static void
+CommentOperator(char *opername, List *arguments, char *comment)
+{
- /*** Attempt to fetch the left oid, if specified ***/
+ Form_pg_operator data;
+ HeapTuple optuple;
+ Oid oid,
+ leftoid = InvalidOid,
+ rightoid = InvalidOid;
+ bool defined;
+ char oprtype = 0,
+ *user,
+ *lefttype = NULL,
+ *righttype = NULL;
+
+ /*** Initialize our left and right argument types ***/
+
+ if (lfirst(arguments) != NULL)
+ lefttype = strVal(lfirst(arguments));
+ if (lsecond(arguments) != NULL)
+ righttype = strVal(lsecond(arguments));
+
+ /*** Attempt to fetch the left oid, if specified ***/
+
+ if (lefttype != NULL)
+ {
+ leftoid = TypeGet(lefttype, &defined);
+ if (!OidIsValid(leftoid))
+ elog(ERROR, "left type '%s' does not exist", lefttype);
+ }
- if (lefttype != NULL) {
- leftoid = TypeGet(lefttype, &defined);
- if (!OidIsValid(leftoid)) {
- elog(ERROR, "left type '%s' does not exist", lefttype);
- }
- }
+ /*** Attempt to fetch the right oid, if specified ***/
- /*** Attempt to fetch the right oid, if specified ***/
+ if (righttype != NULL)
+ {
+ rightoid = TypeGet(righttype, &defined);
+ if (!OidIsValid(rightoid))
+ elog(ERROR, "right type '%s' does not exist", righttype);
+ }
- if (righttype != NULL) {
- rightoid = TypeGet(righttype, &defined);
- if (!OidIsValid(rightoid)) {
- elog(ERROR, "right type '%s' does not exist", righttype);
- }
- }
+ /*** Determine operator type ***/
- /*** Determine operator type ***/
+ if (OidIsValid(leftoid) && (OidIsValid(rightoid)))
+ oprtype = 'b';
+ else if (OidIsValid(leftoid))
+ oprtype = 'l';
+ else if (OidIsValid(rightoid))
+ oprtype = 'r';
+ else
+ elog(ERROR, "operator '%s' is of an illegal type'", opername);
- if (OidIsValid(leftoid) && (OidIsValid(rightoid))) oprtype = 'b';
- else if (OidIsValid(leftoid)) oprtype = 'l';
- else if (OidIsValid(rightoid)) oprtype = 'r';
- else elog(ERROR, "operator '%s' is of an illegal type'", opername);
+ /*** Attempt to fetch the operator oid ***/
- /*** Attempt to fetch the operator oid ***/
+ optuple = SearchSysCacheTupleCopy(OPERNAME, PointerGetDatum(opername),
+ ObjectIdGetDatum(leftoid),
+ ObjectIdGetDatum(rightoid),
+ CharGetDatum(oprtype));
+ if (!HeapTupleIsValid(optuple))
+ elog(ERROR, "operator '%s' does not exist", opername);
- optuple = SearchSysCacheTupleCopy(OPERNAME, PointerGetDatum(opername),
- ObjectIdGetDatum(leftoid),
- ObjectIdGetDatum(rightoid),
- CharGetDatum(oprtype));
- if (!HeapTupleIsValid(optuple)) {
- elog(ERROR, "operator '%s' does not exist", opername);
- }
+ oid = optuple->t_data->t_oid;
- oid = optuple->t_data->t_oid;
+ /*** Valid user's ability to comment on this operator ***/
- /*** Valid user's ability to comment on this operator ***/
+#ifndef NO_SECURITY
+ user = GetPgUserName();
+ if (!pg_ownercheck(user, (char *) ObjectIdGetDatum(oid), OPEROID))
+ {
+ elog(ERROR, "you are not permitted to comment on operator '%s'",
+ opername);
+ }
+#endif
- #ifndef NO_SECURITY
- user = GetPgUserName();
- if (!pg_ownercheck(user, (char *) ObjectIdGetDatum(oid), OPEROID)) {
- elog(ERROR, "you are not permitted to comment on operator '%s'",
- opername);
- }
- #endif
+ /*** Get the procedure associated with the operator ***/
- /*** Get the procedure associated with the operator ***/
+ data = (Form_pg_operator) GETSTRUCT(optuple);
+ oid = regproctooid(data->oprcode);
+ if (oid == InvalidOid)
+ elog(ERROR, "operator '%s' does not have an underlying function", opername);
- data = (Form_pg_operator) GETSTRUCT(optuple);
- oid = regproctooid(data->oprcode);
- if (oid == InvalidOid) {
- elog(ERROR, "operator '%s' does not have an underlying function", opername);
- }
-
- /*** Call CreateComments() to create/drop the comments ***/
+ /*** Call CreateComments() to create/drop the comments ***/
- CreateComments(oid, comment);
+ CreateComments(oid, comment);
}
*------------------------------------------------------------------
*/
-static void CommentTrigger(char *trigger, char *relname, char *comment) {
-
- Form_pg_trigger data;
- Relation pg_trigger, relation;
- HeapTuple triggertuple;
- HeapScanDesc scan;
- ScanKeyData entry;
- Oid oid = InvalidOid;
- char *user;
-
- /*** First, validate the user's action ***/
-
- #ifndef NO_SECURITY
- user = GetPgUserName();
- if (!pg_ownercheck(user, relname, RELNAME)) {
- elog(ERROR, "you are not permitted to comment on trigger '%s' %s '%s'",
- trigger, "defined for relation", relname);
- }
- #endif
-
- /*** Now, fetch the trigger oid from pg_trigger ***/
-
- relation = heap_openr(relname, AccessShareLock);
- pg_trigger = heap_openr(TriggerRelationName, AccessShareLock);
- ScanKeyEntryInitialize(&entry, 0, Anum_pg_trigger_tgrelid,
- F_OIDEQ, RelationGetRelid(relation));
- scan = heap_beginscan(pg_trigger, 0, SnapshotNow, 1, &entry);
- triggertuple = heap_getnext(scan, 0);
- while (HeapTupleIsValid(triggertuple)) {
- data = (Form_pg_trigger) GETSTRUCT(triggertuple);
- if (namestrcmp(&(data->tgname), trigger) == 0) {
- oid = triggertuple->t_data->t_oid;
- break;
- }
- triggertuple = heap_getnext(scan, 0);
- }
-
- /*** If no trigger exists for the relation specified, notify user ***/
-
- if (oid == InvalidOid) {
- elog(ERROR, "trigger '%s' defined for relation '%s' does not exist",
- trigger, relname);
- }
-
- /*** Create the comments with the pg_trigger oid ***/
-
- CreateComments(oid, comment);
-
- /*** Complete the scan and close any opened relations ***/
-
- heap_endscan(scan);
- heap_close(pg_trigger, AccessShareLock);
- heap_close(relation, AccessShareLock);
+static void
+CommentTrigger(char *trigger, char *relname, char *comment)
+{
+
+ Form_pg_trigger data;
+ Relation pg_trigger,
+ relation;
+ HeapTuple triggertuple;
+ HeapScanDesc scan;
+ ScanKeyData entry;
+ Oid oid = InvalidOid;
+ char *user;
+
+ /*** First, validate the user's action ***/
+
+#ifndef NO_SECURITY
+ user = GetPgUserName();
+ if (!pg_ownercheck(user, relname, RELNAME))
+ {
+ elog(ERROR, "you are not permitted to comment on trigger '%s' %s '%s'",
+ trigger, "defined for relation", relname);
+ }
+#endif
+
+ /*** Now, fetch the trigger oid from pg_trigger ***/
+
+ relation = heap_openr(relname, AccessShareLock);
+ pg_trigger = heap_openr(TriggerRelationName, AccessShareLock);
+ ScanKeyEntryInitialize(&entry, 0, Anum_pg_trigger_tgrelid,
+ F_OIDEQ, RelationGetRelid(relation));
+ scan = heap_beginscan(pg_trigger, 0, SnapshotNow, 1, &entry);
+ triggertuple = heap_getnext(scan, 0);
+ while (HeapTupleIsValid(triggertuple))
+ {
+ data = (Form_pg_trigger) GETSTRUCT(triggertuple);
+ if (namestrcmp(&(data->tgname), trigger) == 0)
+ {
+ oid = triggertuple->t_data->t_oid;
+ break;
+ }
+ triggertuple = heap_getnext(scan, 0);
+ }
+
+ /*** If no trigger exists for the relation specified, notify user ***/
+
+ if (oid == InvalidOid)
+ {
+ elog(ERROR, "trigger '%s' defined for relation '%s' does not exist",
+ trigger, relname);
+ }
+
+ /*** Create the comments with the pg_trigger oid ***/
+
+ CreateComments(oid, comment);
+
+ /*** Complete the scan and close any opened relations ***/
+
+ heap_endscan(scan);
+ heap_close(pg_trigger, AccessShareLock);
+ heap_close(relation, AccessShareLock);
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/commands/copy.c,v 1.103 2000/03/23 21:38:58 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/commands/copy.c,v 1.104 2000/04/12 17:14:58 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* Static communication variables ... pretty grotty, but COPY has
* never been reentrant...
*/
-int lineno = 0; /* used by elog() -- dz */
-static bool fe_eof;
+int lineno = 0; /* used by elog() -- dz */
+static bool fe_eof;
/*
* These static variables are used to avoid incurring overhead for each
* to attribute_buf's data buffer!
* encoding, if needed, can be set once at the start of the copy operation.
*/
-static StringInfoData attribute_buf;
+static StringInfoData attribute_buf;
+
#ifdef MULTIBYTE
-static int encoding;
+static int encoding;
+
#endif
fe_eof = true;
}
else
- {
+ {
fwrite(databuf, datasize, 1, fp);
- if (ferror(fp))
- elog(ERROR, "CopySendData: %s", strerror(errno));
- }
+ if (ferror(fp))
+ elog(ERROR, "CopySendData: %s", strerror(errno));
+ }
}
static void
{
if (!fp)
{
- int ch = pq_peekbyte();
+ int ch = pq_peekbyte();
+
if (ch == EOF)
fe_eof = true;
return ch;
* Open and lock the relation, using the appropriate lock type.
*
* Note: AccessExclusive is probably overkill for copying to a relation,
- * but that's what the code grabs on the rel's indices. If this lock is
- * relaxed then I think the index locks need relaxed also.
+ * but that's what the code grabs on the rel's indices. If this lock
+ * is relaxed then I think the index locks need relaxed also.
*/
rel = heap_openr(relname, (from ? AccessExclusiveLock : AccessShareLock));
result = pg_aclcheck(relname, UserName, required_access);
if (result != ACLCHECK_OK)
elog(ERROR, "%s: %s", relname, aclcheck_error_strings[result]);
- if (!pipe && !superuser())
+ if (!pipe && !superuser())
elog(ERROR, "You must have Postgres superuser privilege to do a COPY "
"directly to or from a file. Anyone can COPY to stdout or "
"from stdin. Psql's \\copy command also works for anyone.");
}
else
{
- mode_t oumask; /* Pre-existing umask value */
+ mode_t oumask; /* Pre-existing umask value */
- oumask = umask((mode_t) 022);
+ oumask = umask((mode_t) 022);
if (*filename != '/')
elog(ERROR, "Relative path not allowed for server side"
- " COPY command.");
+ " COPY command.");
#ifndef __CYGWIN32__
fp = AllocateFile(filename, "w");
}
if (!pipe)
- {
FreeFile(fp);
- }
else if (!from)
{
if (!binary)
pfree(attribute_buf.data);
/*
- * Close the relation. If reading, we can release the AccessShareLock
- * we got; if writing, we should hold the lock until end of transaction
- * to ensure that updates will be committed before lock is released.
+ * Close the relation. If reading, we can release the AccessShareLock
+ * we got; if writing, we should hold the lock until end of
+ * transaction to ensure that updates will be committed before lock is
+ * released.
*/
heap_close(rel, (from ? NoLock : AccessShareLock));
}
int32 attr_count,
i;
+
#ifdef _DROP_COLUMN_HACK__
- bool *valid;
-#endif /* _DROP_COLUMN_HACK__ */
+ bool *valid;
+
+#endif /* _DROP_COLUMN_HACK__ */
Form_pg_attribute *attr;
FmgrInfo *out_functions;
Oid out_func_oid;
typmod = (int32 *) palloc(attr_count * sizeof(int32));
#ifdef _DROP_COLUMN_HACK__
valid = (bool *) palloc(attr_count * sizeof(bool));
-#endif /* _DROP_COLUMN_HACK__ */
+#endif /* _DROP_COLUMN_HACK__ */
for (i = 0; i < attr_count; i++)
{
#ifdef _DROP_COLUMN_HACK__
}
else
valid[i] = true;
-#endif /* _DROP_COLUMN_HACK__ */
+#endif /* _DROP_COLUMN_HACK__ */
out_func_oid = (Oid) GetOutputFunction(attr[i]->atttypid);
fmgr_info(out_func_oid, &out_functions[i]);
elements[i] = GetTypeElement(attr[i]->atttypid);
CopySendChar('\n', fp);
continue;
}
-#endif /* _DROP_COLUMN_HACK__ */
+#endif /* _DROP_COLUMN_HACK__ */
if (!isnull)
{
string = (char *) (*fmgr_faddr(&out_functions[i]))
pfree(string);
}
else
- CopySendString(null_print, fp); /* null indicator */
+ CopySendString(null_print, fp); /* null indicator */
if (i == attr_count - 1)
CopySendChar('\n', fp);
#ifdef _DROP_COLUMN_HACK__
if (COLUMN_IS_DROPPED(attr[i]))
continue;
-#endif /* _DROP_COLUMN_HACK__ */
+#endif /* _DROP_COLUMN_HACK__ */
in_func_oid = (Oid) GetInputFunction(attr[i]->atttypid);
fmgr_info(in_func_oid, &in_functions[i]);
elements[i] = GetTypeElement(attr[i]->atttypid);
byval[i] = 'n';
continue;
}
-#endif /* _DROP_COLUMN_HACK__ */
+#endif /* _DROP_COLUMN_HACK__ */
byval[i] = (bool) IsTypeByVal(attr[i]->atttypid);
}
while (!done)
{
- if (QueryCancel) {
+ if (QueryCancel)
+ {
lineno = 0;
CancelQuery();
}
nulls[i] = 'n';
continue;
}
-#endif /* _DROP_COLUMN_HACK__ */
+#endif /* _DROP_COLUMN_HACK__ */
string = CopyReadAttribute(fp, &isnull, delim, &newline, null_print);
if (isnull)
{
*/
slot->val = tuple;
/* SetSlotContents(slot, tuple); */
- if (! ExecQual((List *) indexPred[i], econtext, false))
+ if (!ExecQual((List *) indexPred[i], econtext, false))
continue;
#endif /* OMIT_PARTIAL_INDEX */
}
CopyReadAttribute(FILE *fp, bool *isnull, char *delim, int *newline, char *null_print)
{
int c;
+
#ifdef MULTIBYTE
int mblen;
unsigned char s[2];
break;
}
if (strchr(delim, c))
- {
break;
- }
if (c == '\\')
{
c = CopyGetChar(fp);
c = val & 0377;
}
break;
- /* This is a special hack to parse `\N' as <backslash-N>
- rather then just 'N' to provide compatibility with
- the default NULL output. -- pe */
- case 'N':
- appendStringInfoCharMacro(&attribute_buf, '\\');
- c = 'N';
- break;
+
+ /*
+ * This is a special hack to parse `\N' as
+ * <backslash-N> rather then just 'N' to provide
+ * compatibility with the default NULL output. -- pe
+ */
+ case 'N':
+ appendStringInfoCharMacro(&attribute_buf, '\\');
+ c = 'N';
+ break;
case 'b':
c = '\b';
break;
}
#endif
- if (strcmp(attribute_buf.data, null_print)==0)
- *isnull = true;
+ if (strcmp(attribute_buf.data, null_print) == 0)
+ *isnull = true;
return attribute_buf.data;
{
char *string;
char c;
+
#ifdef MULTIBYTE
char *string_start;
int mblen;
int i;
+
#endif
#ifdef MULTIBYTE
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/commands/Attic/creatinh.c,v 1.56 2000/01/29 16:58:34 petere Exp $
+ * $Header: /cvsroot/pgsql/src/backend/commands/Attic/creatinh.c,v 1.57 2000/04/12 17:14:58 momjian Exp $
*
*-------------------------------------------------------------------------
*/
*/
static bool checkAttrExists(const char *attributeName,
- const char *attributeType, List *schema);
+ const char *attributeType, List *schema);
static List *MergeAttributes(List *schema, List *supers, List **supconstr);
static void StoreCatalogInheritance(Oid relationId, List *supers);
StoreCatalogInheritance(relationId, inheritList);
/*
- * Now add any newly specified column default values
- * and CHECK constraints to the new relation. These are passed
- * to us in the form of raw parsetrees; we need to transform
- * them to executable expression trees before they can be added.
- * The most convenient way to do that is to apply the parser's
- * transformExpr routine, but transformExpr doesn't work unless
- * we have a pre-existing relation. So, the transformation has
- * to be postponed to this final step of CREATE TABLE.
+ * Now add any newly specified column default values and CHECK
+ * constraints to the new relation. These are passed to us in the
+ * form of raw parsetrees; we need to transform them to executable
+ * expression trees before they can be added. The most convenient way
+ * to do that is to apply the parser's transformExpr routine, but
+ * transformExpr doesn't work unless we have a pre-existing relation.
+ * So, the transformation has to be postponed to this final step of
+ * CREATE TABLE.
*
* First, scan schema to find new column defaults.
*/
return;
/*
- * We must bump the command counter to make the newly-created
- * relation tuple visible for opening.
+ * We must bump the command counter to make the newly-created relation
+ * tuple visible for opening.
*/
CommandCounterIncrement();
+
/*
* Open the new relation.
*/
rel = heap_openr(relname, AccessExclusiveLock);
+
/*
* Parse and add the defaults/constraints.
*/
AddRelationRawConstraints(rel, rawDefaults, stmt->constraints);
+
/*
- * Clean up. We keep lock on new relation (although it shouldn't
- * be visible to anyone else anyway, until commit).
+ * Clean up. We keep lock on new relation (although it shouldn't be
+ * visible to anyone else anyway, until commit).
*/
heap_close(rel, NoLock);
}
/*
* TruncateRelation --
- * Removes all the rows from a relation
+ * Removes all the rows from a relation
*
* Exceptions:
- * BadArg if name is invalid
+ * BadArg if name is invalid
*
* Note:
- * Rows are removed, indices are truncated and reconstructed.
+ * Rows are removed, indices are truncated and reconstructed.
*/
void
TruncateRelation(char *name)
foreach(rest, lnext(entry))
{
+
/*
* check for duplicated names within the new relation
*/
* check validity
*
*/
- if (checkAttrExists(attributeName, attributeType, schema))
- elog(ERROR, "CREATE TABLE: attribute \"%s\" already exists in inherited schema",
- attributeName);
+ if (checkAttrExists(attributeName, attributeType, schema))
+ elog(ERROR, "CREATE TABLE: attribute \"%s\" already exists in inherited schema",
+ attributeName);
if (checkAttrExists(attributeName, attributeType, inhSchema))
+
/*
* this entry already exists
*/
if (RelationGetForm(relation)->relhasindex)
{
Relation idescs[Num_pg_inherits_indices];
-
+
CatalogOpenIndices(Num_pg_inherits_indices, Name_pg_inherits_indices, idescs);
CatalogIndexInsert(idescs, Num_pg_inherits_indices, relation, tuple);
CatalogCloseIndices(Num_pg_inherits_indices, idescs);
{
ColumnDef *def = lfirst(s);
- if (strcmp(attributeName, def->colname)==0)
+ if (strcmp(attributeName, def->colname) == 0)
{
+
/*
* attribute exists. Make sure the types are the same.
*/
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/commands/dbcommands.c,v 1.52 2000/03/26 18:32:28 petere Exp $
+ * $Header: /cvsroot/pgsql/src/backend/commands/dbcommands.c,v 1.53 2000/04/12 17:14:58 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "catalog/pg_shadow.h"
#include "commands/comment.h"
#include "miscadmin.h"
-#include "storage/bufmgr.h" /* for DropBuffers */
-#include "storage/fd.h" /* for closeAllVfds */
-#include "storage/sinval.h" /* for DatabaseHasActiveBackends */
+#include "storage/bufmgr.h" /* for DropBuffers */
+#include "storage/fd.h" /* for closeAllVfds */
+#include "storage/sinval.h" /* for DatabaseHasActiveBackends */
#include "utils/builtins.h"
#include "utils/elog.h"
#include "utils/palloc.h"
/* non-export function prototypes */
static bool
-get_user_info(const char *name, int4 *use_sysid, bool *use_super, bool *use_createdb);
+ get_user_info(const char *name, int4 *use_sysid, bool *use_super, bool *use_createdb);
static bool
-get_db_info(const char *name, char *dbpath, Oid *dbIdP, int4 *ownerIdP);
+ get_db_info(const char *name, char *dbpath, Oid *dbIdP, int4 *ownerIdP);
{
char buf[2 * MAXPGPATH + 100];
char *loc;
- char locbuf[512];
+ char locbuf[512];
int4 user_id;
- bool use_super, use_createdb;
+ bool use_super,
+ use_createdb;
Relation pg_database_rel;
HeapTuple tuple;
- TupleDesc pg_database_dsc;
- Datum new_record[Natts_pg_database];
- char new_record_nulls[Natts_pg_database] = { ' ', ' ', ' ', ' ' };
+ TupleDesc pg_database_dsc;
+ Datum new_record[Natts_pg_database];
+ char new_record_nulls[Natts_pg_database] = {' ', ' ', ' ', ' '};
- if (!get_user_info(GetPgUserName(), &user_id, &use_super, &use_createdb))
- elog(ERROR, "current user name is invalid");
+ if (!get_user_info(GetPgUserName(), &user_id, &use_super, &use_createdb))
+ elog(ERROR, "current user name is invalid");
- if (!use_createdb && !use_super)
- elog(ERROR, "CREATE DATABASE: permission denied");
+ if (!use_createdb && !use_super)
+ elog(ERROR, "CREATE DATABASE: permission denied");
- if (get_db_info(dbname, NULL, NULL, NULL))
- elog(ERROR, "CREATE DATABASE: database \"%s\" already exists", dbname);
+ if (get_db_info(dbname, NULL, NULL, NULL))
+ elog(ERROR, "CREATE DATABASE: database \"%s\" already exists", dbname);
- /* don't call this in a transaction block */
+ /* don't call this in a transaction block */
if (IsTransactionBlock())
- elog(ERROR, "CREATE DATABASE: may not be called in a transaction block");
+ elog(ERROR, "CREATE DATABASE: may not be called in a transaction block");
/* Generate directory name for the new database */
- if (dbpath == NULL || strcmp(dbpath, dbname)==0)
- strcpy(locbuf, dbname);
- else
- snprintf(locbuf, sizeof(locbuf), "%s/%s", dbpath, dbname);
+ if (dbpath == NULL || strcmp(dbpath, dbname) == 0)
+ strcpy(locbuf, dbname);
+ else
+ snprintf(locbuf, sizeof(locbuf), "%s/%s", dbpath, dbname);
- loc = ExpandDatabasePath(locbuf);
+ loc = ExpandDatabasePath(locbuf);
if (loc == NULL)
elog(ERROR,
- "The database path '%s' is invalid. "
+ "The database path '%s' is invalid. "
"This may be due to a character that is not allowed or because the chosen "
- "path isn't permitted for databases", dbpath);
+ "path isn't permitted for databases", dbpath);
- /* close virtual file descriptors so the kernel has more available for
- the system() calls */
+ /*
+ * close virtual file descriptors so the kernel has more available for
+ * the system() calls
+ */
closeAllVfds();
- /*
- * Insert a new tuple into pg_database
- */
+ /*
+ * Insert a new tuple into pg_database
+ */
pg_database_rel = heap_openr(DatabaseRelationName, AccessExclusiveLock);
pg_database_dsc = RelationGetDescr(pg_database_rel);
- /* Form tuple */
- new_record[Anum_pg_database_datname-1] = NameGetDatum(namein(dbname));
- new_record[Anum_pg_database_datdba-1] = Int32GetDatum(user_id);
- new_record[Anum_pg_database_encoding-1] = Int32GetDatum(encoding);
- new_record[Anum_pg_database_datpath-1] = PointerGetDatum(textin(locbuf));
+ /* Form tuple */
+ new_record[Anum_pg_database_datname - 1] = NameGetDatum(namein(dbname));
+ new_record[Anum_pg_database_datdba - 1] = Int32GetDatum(user_id);
+ new_record[Anum_pg_database_encoding - 1] = Int32GetDatum(encoding);
+ new_record[Anum_pg_database_datpath - 1] = PointerGetDatum(textin(locbuf));
- tuple = heap_formtuple(pg_database_dsc, new_record, new_record_nulls);
+ tuple = heap_formtuple(pg_database_dsc, new_record, new_record_nulls);
- /*
- * Update table
- */
- heap_insert(pg_database_rel, tuple);
+ /*
+ * Update table
+ */
+ heap_insert(pg_database_rel, tuple);
- /*
- * Update indexes (there aren't any currently)
- */
+ /*
+ * Update indexes (there aren't any currently)
+ */
#ifdef Num_pg_database_indices
- if (RelationGetForm(pg_database_rel)->relhasindex) {
- Relation idescs[Num_pg_database_indices];
-
- CatalogOpenIndices(Num_pg_database_indices,
- Name_pg_database_indices, idescs);
- CatalogIndexInsert(idescs, Num_pg_database_indices, pg_database_rel,
- tuple);
- CatalogCloseIndices(Num_pg_database_indices, idescs);
- }
+ if (RelationGetForm(pg_database_rel)->relhasindex)
+ {
+ Relation idescs[Num_pg_database_indices];
+
+ CatalogOpenIndices(Num_pg_database_indices,
+ Name_pg_database_indices, idescs);
+ CatalogIndexInsert(idescs, Num_pg_database_indices, pg_database_rel,
+ tuple);
+ CatalogCloseIndices(Num_pg_database_indices, idescs);
+ }
#endif
heap_close(pg_database_rel, NoLock);
- /* Copy the template database to the new location */
+ /* Copy the template database to the new location */
- if (mkdir(loc, S_IRWXU) != 0) {
+ if (mkdir(loc, S_IRWXU) != 0)
elog(ERROR, "CREATE DATABASE: unable to create database directory '%s': %s", loc, strerror(errno));
- }
snprintf(buf, sizeof(buf), "cp %s%cbase%ctemplate1%c* '%s'",
DataDir, SEP_CHAR, SEP_CHAR, SEP_CHAR, loc);
- if (system(buf) != 0) {
- int ret;
- snprintf(buf, sizeof(buf), "rm -rf '%s'", loc);
- ret = system(buf);
- if (ret == 0)
- elog(ERROR, "CREATE DATABASE: could not initialize database directory");
- else
- elog(ERROR, "CREATE DATABASE: Could not initialize database directory. Delete failed as well");
- }
+ if (system(buf) != 0)
+ {
+ int ret;
+
+ snprintf(buf, sizeof(buf), "rm -rf '%s'", loc);
+ ret = system(buf);
+ if (ret == 0)
+ elog(ERROR, "CREATE DATABASE: could not initialize database directory");
+ else
+ elog(ERROR, "CREATE DATABASE: Could not initialize database directory. Delete failed as well");
+ }
}
void
dropdb(const char *dbname)
{
- int4 user_id, db_owner;
- bool use_super;
+ int4 user_id,
+ db_owner;
+ bool use_super;
Oid db_id;
char *path,
dbpath[MAXPGPATH],
buf[MAXPGPATH + 100];
Relation pgdbrel;
HeapScanDesc pgdbscan;
- ScanKeyData key;
+ ScanKeyData key;
HeapTuple tup;
- AssertArg(dbname);
+ AssertArg(dbname);
if (strcmp(dbname, "template1") == 0)
elog(ERROR, "DROP DATABASE: May not be executed on the template1 database");
elog(ERROR, "DROP DATABASE: Cannot be executed on the currently open database");
if (IsTransactionBlock())
- elog(ERROR, "DROP DATABASE: May not be called in a transaction block");
+ elog(ERROR, "DROP DATABASE: May not be called in a transaction block");
- if (!get_user_info(GetPgUserName(), &user_id, &use_super, NULL))
- elog(ERROR, "Current user name is invalid");
+ if (!get_user_info(GetPgUserName(), &user_id, &use_super, NULL))
+ elog(ERROR, "Current user name is invalid");
- if (!get_db_info(dbname, dbpath, &db_id, &db_owner))
- elog(ERROR, "DROP DATABASE: Database \"%s\" does not exist", dbname);
+ if (!get_db_info(dbname, dbpath, &db_id, &db_owner))
+ elog(ERROR, "DROP DATABASE: Database \"%s\" does not exist", dbname);
- if (user_id != db_owner && !use_super)
- elog(ERROR, "DROP DATABASE: Permission denied");
+ if (user_id != db_owner && !use_super)
+ elog(ERROR, "DROP DATABASE: Permission denied");
path = ExpandDatabasePath(dbpath);
if (path == NULL)
elog(ERROR,
- "The database path '%s' is invalid. "
+ "The database path '%s' is invalid. "
"This may be due to a character that is not allowed or because the chosen "
- "path isn't permitted for databases", path);
+ "path isn't permitted for databases", path);
- /* close virtual file descriptors so the kernel has more available for
- the system() calls */
+ /*
+ * close virtual file descriptors so the kernel has more available for
+ * the system() calls
+ */
closeAllVfds();
/*
- * Obtain exclusive lock on pg_database. We need this to ensure
- * that no new backend starts up in the target database while we
- * are deleting it. (Actually, a new backend might still manage to
- * start up, because it will read pg_database without any locking
- * to discover the database's OID. But it will detect its error
- * in ReverifyMyDatabase and shut down before any serious damage
- * is done. See postinit.c.)
+ * Obtain exclusive lock on pg_database. We need this to ensure that
+ * no new backend starts up in the target database while we are
+ * deleting it. (Actually, a new backend might still manage to start
+ * up, because it will read pg_database without any locking to
+ * discover the database's OID. But it will detect its error in
+ * ReverifyMyDatabase and shut down before any serious damage is done.
+ * See postinit.c.)
*/
pgdbrel = heap_openr(DatabaseRelationName, AccessExclusiveLock);
/*
* Check for active backends in the target database.
*/
- if (DatabaseHasActiveBackends(db_id)) {
+ if (DatabaseHasActiveBackends(db_id))
+ {
heap_close(pgdbrel, AccessExclusiveLock);
elog(ERROR, "DROP DATABASE: Database \"%s\" is being accessed by other users", dbname);
- }
+ }
/*
* Find the database's tuple by OID (should be unique, we trust).
if (!HeapTupleIsValid(tup))
{
heap_close(pgdbrel, AccessExclusiveLock);
- /* This error should never come up since the existence of the
- database is checked earlier */
+
+ /*
+ * This error should never come up since the existence of the
+ * database is checked earlier
+ */
elog(ERROR, "DROP DATABASE: Database \"%s\" doesn't exist despite earlier reports to the contrary",
dbname);
}
*/
snprintf(buf, sizeof(buf), "rm -rf '%s'", path);
if (system(buf) != 0)
- elog(NOTICE, "DROP DATABASE: The database directory '%s' could not be removed", path);
+ elog(NOTICE, "DROP DATABASE: The database directory '%s' could not be removed", path);
}
Relation relation;
HeapTuple tuple;
ScanKeyData scanKey;
- HeapScanDesc scan;
+ HeapScanDesc scan;
- AssertArg(name);
+ AssertArg(name);
- relation = heap_openr(DatabaseRelationName, AccessExclusiveLock/*???*/);
+ relation = heap_openr(DatabaseRelationName, AccessExclusiveLock /* ??? */ );
ScanKeyEntryInitialize(&scanKey, 0, Anum_pg_database_datname,
F_NAMEEQ, NameGetDatum(name));
if (HeapTupleIsValid(tuple))
{
- text *tmptext;
- bool isnull;
-
- /* oid of the database */
- if (dbIdP)
- *dbIdP = tuple->t_data->t_oid;
- /* uid of the owner */
- if (ownerIdP)
- {
- *ownerIdP = (int4) heap_getattr(tuple,
- Anum_pg_database_datdba,
- RelationGetDescr(relation),
- &isnull);
- if (isnull)
- *ownerIdP = -1; /* hopefully no one has that id already ;) */
- }
- /* database path (as registered in pg_database) */
- if (dbpath)
- {
- tmptext = (text *) heap_getattr(tuple,
- Anum_pg_database_datpath,
- RelationGetDescr(relation),
- &isnull);
-
- if (!isnull)
- {
- Assert(VARSIZE(tmptext) - VARHDRSZ < MAXPGPATH);
-
- strncpy(dbpath, VARDATA(tmptext), VARSIZE(tmptext) - VARHDRSZ);
- *(dbpath + VARSIZE(tmptext) - VARHDRSZ) = '\0';
- }
- else
- strcpy(dbpath, "");
- }
+ text *tmptext;
+ bool isnull;
+
+ /* oid of the database */
+ if (dbIdP)
+ *dbIdP = tuple->t_data->t_oid;
+ /* uid of the owner */
+ if (ownerIdP)
+ {
+ *ownerIdP = (int4) heap_getattr(tuple,
+ Anum_pg_database_datdba,
+ RelationGetDescr(relation),
+ &isnull);
+ if (isnull)
+ *ownerIdP = -1; /* hopefully no one has that id already ;) */
+ }
+ /* database path (as registered in pg_database) */
+ if (dbpath)
+ {
+ tmptext = (text *) heap_getattr(tuple,
+ Anum_pg_database_datpath,
+ RelationGetDescr(relation),
+ &isnull);
+
+ if (!isnull)
+ {
+ Assert(VARSIZE(tmptext) - VARHDRSZ < MAXPGPATH);
+
+ strncpy(dbpath, VARDATA(tmptext), VARSIZE(tmptext) - VARHDRSZ);
+ *(dbpath + VARSIZE(tmptext) - VARHDRSZ) = '\0';
+ }
+ else
+ strcpy(dbpath, "");
+ }
}
else
- {
- if (dbIdP)
- *dbIdP = InvalidOid;
- }
+ {
+ if (dbIdP)
+ *dbIdP = InvalidOid;
+ }
heap_endscan(scan);
/* We will keep the lock on the relation until end of transaction. */
heap_close(relation, NoLock);
- return HeapTupleIsValid(tuple);
+ return HeapTupleIsValid(tuple);
}
static bool
-get_user_info(const char * name, int4 *use_sysid, bool *use_super, bool *use_createdb)
+get_user_info(const char *name, int4 *use_sysid, bool *use_super, bool *use_createdb)
{
- HeapTuple utup;
+ HeapTuple utup;
AssertArg(name);
utup = SearchSysCacheTuple(SHADOWNAME,
PointerGetDatum(name),
0, 0, 0);
- if (!HeapTupleIsValid(utup))
- return false;
+ if (!HeapTupleIsValid(utup))
+ return false;
- if (use_sysid)
- *use_sysid = ((Form_pg_shadow) GETSTRUCT(utup))->usesysid;
- if (use_super)
- *use_super = ((Form_pg_shadow) GETSTRUCT(utup))->usesuper;
- if (use_createdb)
- *use_createdb = ((Form_pg_shadow) GETSTRUCT(utup))->usecreatedb;
+ if (use_sysid)
+ *use_sysid = ((Form_pg_shadow) GETSTRUCT(utup))->usesysid;
+ if (use_super)
+ *use_super = ((Form_pg_shadow) GETSTRUCT(utup))->usesuper;
+ if (use_createdb)
+ *use_createdb = ((Form_pg_shadow) GETSTRUCT(utup))->usecreatedb;
- return true;
+ return true;
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/commands/define.c,v 1.39 2000/04/07 13:39:24 thomas Exp $
+ * $Header: /cvsroot/pgsql/src/backend/commands/define.c,v 1.40 2000/04/12 17:14:58 momjian Exp $
*
* DESCRIPTION
* The "DefineFoo" routines take the parse tree and pick out the
foreach(pl, parameters)
{
- DefElem *param = (DefElem *) lfirst(pl);
+ DefElem *param = (DefElem *) lfirst(pl);
if (strcasecmp(param->defname, "iscachable") == 0)
*canCache_p = true;
else if (strcasecmp(param->defname, "trusted") == 0)
{
+
/*
* we don't have untrusted functions any more. The 4.2
* implementation is lousy anyway so I took it out. -ay 10/94
*/
bool returnsSet;
+
/* The function returns a set of values, as opposed to a singleton. */
bool lanisPL = false;
/*
- * The following are optional user-supplied attributes of the function.
+ * The following are optional user-supplied attributes of the
+ * function.
*/
int32 byte_pct,
perbyte_cpu,
elog(ERROR,
"Only users with Postgres superuser privilege are "
"permitted to create a function "
- "in the '%s' language. Others may use the 'sql' language "
+ "in the '%s' language. Others may use the 'sql' language "
"or the created procedural languages.",
languageName);
}
interpret_AS_clause(languageName, stmt->as, &prosrc_str, &probin_str);
/*
- * And now that we have all the parameters, and know we're
- * permitted to do so, go ahead and create the function.
+ * And now that we have all the parameters, and know we're permitted
+ * to do so, go ahead and create the function.
*/
ProcedureCreate(stmt->funcname,
returnsSet,
prorettype,
languageName,
- prosrc_str, /* converted to text later */
- probin_str, /* converted to text later */
+ prosrc_str, /* converted to text later */
+ probin_str, /* converted to text later */
canCache,
- true, /* (obsolete "trusted") */
+ true, /* (obsolete "trusted") */
byte_pct,
perbyte_cpu,
percall_cpu,
if (!strcasecmp(defel->defname, "leftarg"))
{
if ((nodeTag(defel->arg) == T_TypeName)
- && (((TypeName *)defel->arg)->setof))
+ && (((TypeName *) defel->arg)->setof))
elog(ERROR, "setof type not implemented for leftarg");
typeName1 = defGetString(defel);
else if (!strcasecmp(defel->defname, "rightarg"))
{
if ((nodeTag(defel->arg) == T_TypeName)
- && (((TypeName *)defel->arg)->setof))
+ && (((TypeName *) defel->arg)->setof))
elog(ERROR, "setof type not implemented for rightarg");
typeName2 = defGetString(defel);
static char *
defGetString(DefElem *def)
{
- char *string;
+ char *string;
if (nodeTag(def->arg) == T_String)
string = strVal(def->arg);
else if (nodeTag(def->arg) == T_TypeName)
- string = ((TypeName *)def->arg)->name;
+ string = ((TypeName *) def->arg)->name;
else
string = NULL;
#if 0
- elog(ERROR, "Define: \"%s\" = what?", def->defname);
+ elog(ERROR, "Define: \"%s\" = what?", def->defname);
#endif
return string;
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994-5, Regents of the University of California
*
- * $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.55 2000/03/14 23:06:12 thomas Exp $
+ * $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.56 2000/04/12 17:14:58 momjian Exp $
*
*/
switch (nodeTag(plan))
{
case T_IndexScan:
- if (ScanDirectionIsBackward(((IndexScan *)plan)->indxorderdir))
+ if (ScanDirectionIsBackward(((IndexScan *) plan)->indxorderdir))
appendStringInfo(str, " Backward");
appendStringInfo(str, " using ");
i = 0;
Assert(relation);
appendStringInfo(str, "%s%s",
(++i > 1) ? ", " : "",
- stringStringInfo(RelationGetRelationName(relation)));
+ stringStringInfo(RelationGetRelationName(relation)));
/* drop relcache refcount from RelationIdGetRelation */
RelationDecrementReferenceCount(relation);
}
|| (length(rte->ref->attrs) > 0))
{
appendStringInfo(str, " %s",
- stringStringInfo(rte->ref->relname));
+ stringStringInfo(rte->ref->relname));
if (length(rte->ref->attrs) > 0)
{
- List *c;
- int firstEntry = true;
+ List *c;
+ int firstEntry = true;
appendStringInfo(str, " (");
- foreach (c, rte->ref->attrs)
+ foreach(c, rte->ref->attrs)
{
- if (! firstEntry)
+ if (!firstEntry)
{
appendStringInfo(str, ", ");
firstEntry = false;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/commands/indexcmds.c,v 1.22 2000/02/25 02:58:48 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/commands/indexcmds.c,v 1.23 2000/04/12 17:14:58 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "parser/parse_func.h"
#include "utils/builtins.h"
#include "utils/syscache.h"
-#include "miscadmin.h" /* ReindexDatabase() */
-#include "utils/portal.h" /* ReindexDatabase() */
-#include "catalog/catalog.h" /* ReindexDatabase() */
+#include "miscadmin.h" /* ReindexDatabase() */
+#include "utils/portal.h" /* ReindexDatabase() */
+#include "catalog/catalog.h" /* ReindexDatabase() */
#define IsFuncIndex(ATTR_LIST) (((IndexElem*)lfirst(ATTR_LIST))->args != NIL)
static void CheckPredExpr(Node *predicate, List *rangeTable, Oid baseRelOid);
static void CheckPredClause(Expr *predicate, List *rangeTable, Oid baseRelOid);
static void FuncIndexArgs(IndexElem *funcIndex, FuncIndexInfo *funcInfo,
- AttrNumber *attNumP, Oid *opOidP, Oid relId);
+ AttrNumber *attNumP, Oid *opOidP, Oid relId);
static void NormIndexAttrs(List *attList, AttrNumber *attNumP,
- Oid *opOidP, Oid relId);
+ Oid *opOidP, Oid relId);
static void ProcessAttrTypename(IndexElem *attribute,
- Oid defType, int32 defTypmod);
+ Oid defType, int32 defTypmod);
static Oid GetAttrOpClass(IndexElem *attribute, Oid attrType);
static char *GetDefaultOpClass(Oid atttypid);
*/
foreach(pl, parameterList)
{
- DefElem *param = (DefElem *) lfirst(pl);
+ DefElem *param = (DefElem *) lfirst(pl);
if (!strcasecmp(param->defname, "islossy"))
lossy = TRUE;
namestrcpy(&fInfo.funcName, funcIndex->name);
attributeNumberA = (AttrNumber *) palloc(nargs *
- sizeof attributeNumberA[0]);
+ sizeof attributeNumberA[0]);
classObjectId = (Oid *) palloc(sizeof(Oid));
else
{
attributeNumberA = (AttrNumber *) palloc(numberOfAttributes *
- sizeof attributeNumberA[0]);
+ sizeof attributeNumberA[0]);
classObjectId = (Oid *) palloc(numberOfAttributes * sizeof(Oid));
atttuple = SearchSysCacheTupleCopy(ATTNAME,
ObjectIdGetDatum(relId),
- PointerGetDatum(attribute->name),
+ PointerGetDatum(attribute->name),
0, 0);
if (!HeapTupleIsValid(atttuple))
elog(ERROR, "DefineIndex: attribute \"%s\" not found",
* ...
*/
void
-ReindexIndex(const char *name, bool force /* currently unused */)
+ReindexIndex(const char *name, bool force /* currently unused */ )
{
HeapTuple tuple;
* "ERROR" if table nonexistent.
* ...
*/
-extern Oid MyDatabaseId;
+extern Oid MyDatabaseId;
void
ReindexDatabase(const char *dbname, bool force, bool all)
{
- Relation relation, relationRelation;
- HeapTuple usertuple, dbtuple, tuple;
- HeapScanDesc scan;
- int4 user_id, db_owner;
+ Relation relation,
+ relationRelation;
+ HeapTuple usertuple,
+ dbtuple,
+ tuple;
+ HeapScanDesc scan;
+ int4 user_id,
+ db_owner;
bool superuser;
- Oid db_id;
- char *username;
- ScanKeyData scankey;
- PortalVariableMemory pmem;
- MemoryContext old;
- int relcnt, relalc, i, oncealc = 200;
- Oid *relids = (Oid *) NULL;
+ Oid db_id;
+ char *username;
+ ScanKeyData scankey;
+ PortalVariableMemory pmem;
+ MemoryContext old;
+ int relcnt,
+ relalc,
+ i,
+ oncealc = 200;
+ Oid *relids = (Oid *) NULL;
AssertArg(dbname);
username = GetPgUserName();
usertuple = SearchSysCacheTuple(SHADOWNAME, PointerGetDatum(username),
- 0, 0, 0);
+ 0, 0, 0);
if (!HeapTupleIsValid(usertuple))
elog(ERROR, "Current user '%s' is invalid.", username);
user_id = ((Form_pg_shadow) GETSTRUCT(usertuple))->usesysid;
relation = heap_openr(DatabaseRelationName, AccessShareLock);
ScanKeyEntryInitialize(&scankey, 0, Anum_pg_database_datname,
- F_NAMEEQ, NameGetDatum(dbname));
+ F_NAMEEQ, NameGetDatum(dbname));
scan = heap_beginscan(relation, 0, SnapshotNow, 1, &scankey);
dbtuple = heap_getnext(scan, 0);
if (!HeapTupleIsValid(dbtuple))
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/commands/Attic/remove.c,v 1.45 2000/01/26 05:56:13 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/commands/Attic/remove.c,v 1.46 2000/04/12 17:14:59 momjian Exp $
*
*-------------------------------------------------------------------------
*/
{
key[0].sk_attno = attnums[i];
scan = heap_beginscan(rel, 0, SnapshotNow, 1, key);
- while (HeapTupleIsValid(tup = heap_getnext(scan, 0))) {
+ while (HeapTupleIsValid(tup = heap_getnext(scan, 0)))
+ {
- /*** This is apparently a routine not in use, but remove ***/
- /*** any comments anyways ***/
+ /*** This is apparently a routine not in use, but remove ***/
+ /*** any comments anyways ***/
- DeleteComments(tup->t_data->t_oid);
+ DeleteComments(tup->t_data->t_oid);
- heap_delete(rel, &tup->t_self, NULL);
+ heap_delete(rel, &tup->t_self, NULL);
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/commands/Attic/rename.c,v 1.41 2000/01/26 05:56:13 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/commands/Attic/rename.c,v 1.42 2000/04/12 17:14:59 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#endif
/*
- * Grab an exclusive lock on the target table, which we will NOT release
- * until end of transaction.
+ * Grab an exclusive lock on the target table, which we will NOT
+ * release until end of transaction.
*/
targetrelation = heap_openr(relname, AccessExclusiveLock);
relid = RelationGetRelid(targetrelation);
- heap_close(targetrelation, NoLock); /* close rel but keep lock! */
+ heap_close(targetrelation, NoLock); /* close rel but keep lock! */
/*
* if the 'recurse' flag is set then we are supposed to rename this
/* keep system catalog indices current */
{
Relation irelations[Num_pg_attr_indices];
+
CatalogOpenIndices(Num_pg_attr_indices, Name_pg_attr_indices, irelations);
CatalogIndexInsert(irelations, Num_pg_attr_indices, attrelation, oldatttup);
CatalogCloseIndices(Num_pg_attr_indices, irelations);
}
-
+
heap_freetuple(oldatttup);
heap_close(attrelation, RowExclusiveLock);
}
newrelname);
/*
- * Grab an exclusive lock on the target table, which we will NOT release
- * until end of transaction.
+ * Grab an exclusive lock on the target table, which we will NOT
+ * release until end of transaction.
*/
targetrelation = heap_openr(oldrelname, AccessExclusiveLock);
* they don't exist anyway. So, no warning in that case.
* ----------------
*/
- if (IsTransactionBlock() && ! targetrelation->rd_myxactonly)
+ if (IsTransactionBlock() && !targetrelation->rd_myxactonly)
elog(NOTICE, "Caution: RENAME TABLE cannot be rolled back, so don't abort now");
/*
- * Flush all blocks of the relation out of the buffer pool. We need this
- * because the blocks are marked with the relation's name as well as OID.
- * If some backend tries to write a dirty buffer with mdblindwrt after
- * we've renamed the physical file, we'll be in big trouble.
+ * Flush all blocks of the relation out of the buffer pool. We need
+ * this because the blocks are marked with the relation's name as well
+ * as OID. If some backend tries to write a dirty buffer with
+ * mdblindwrt after we've renamed the physical file, we'll be in big
+ * trouble.
*
* Since we hold the exclusive lock on the relation, we don't have to
* worry about more blocks being read in while we finish the rename.
elog(ERROR, "renamerel: unable to flush relation from buffer pool");
/*
- * Make sure smgr and lower levels close the relation's files.
- * (Next access to rel will reopen them.)
+ * Make sure smgr and lower levels close the relation's files. (Next
+ * access to rel will reopen them.)
*
* Note: we rely on shared cache invalidation message to make other
* backends close and re-open the files.
/*
* Close rel, but keep exclusive lock!
*
- * Note: we don't do anything about updating the relcache entry;
- * we assume it will be flushed by shared cache invalidate.
- * XXX is this good enough? What if relation is myxactonly?
+ * Note: we don't do anything about updating the relcache entry; we
+ * assume it will be flushed by shared cache invalidate. XXX is this
+ * good enough? What if relation is myxactonly?
*/
heap_close(targetrelation, NoLock);
/*
- * Find relation's pg_class tuple, and make sure newrelname isn't in use.
+ * Find relation's pg_class tuple, and make sure newrelname isn't in
+ * use.
*/
relrelation = heap_openr(RelationRelationName, RowExclusiveLock);
* Perform physical rename of files. If this fails, we haven't yet
* done anything irreversible.
*
- * XXX smgr.c ought to provide an interface for this; doing it
- * directly is bletcherous.
+ * XXX smgr.c ought to provide an interface for this; doing it directly
+ * is bletcherous.
*/
strcpy(oldpath, relpath(oldrelname));
strcpy(newpath, relpath(newrelname));
if (elm != (SeqTable) NULL)
{
- /* We are using a seqtable entry left over from a previous xact;
+
+ /*
+ * We are using a seqtable entry left over from a previous xact;
* must check for relid change.
*/
elm->rel = seqrel;
}
else
{
- /* Time to make a new seqtable entry. These entries live as long
+
+ /*
+ * Time to make a new seqtable entry. These entries live as long
* as the backend does, so we use plain malloc for them.
*/
elm = (SeqTable) malloc(sizeof(SeqTableData));
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/commands/trigger.c,v 1.62 2000/02/29 12:28:24 wieck Exp $
+ * $Header: /cvsroot/pgsql/src/backend/commands/trigger.c,v 1.63 2000/04/12 17:14:59 momjian Exp $
*
*-------------------------------------------------------------------------
*/
rel = heap_openr(stmt->constrrelname, NoLock);
if (rel == NULL)
elog(ERROR, "table \"%s\" does not exist",
- stmt->constrrelname);
+ stmt->constrrelname);
constrrelid = rel->rd_id;
heap_close(rel, NoLock);
}
values[Anum_pg_trigger_tgfoid - 1] = ObjectIdGetDatum(tuple->t_data->t_oid);
values[Anum_pg_trigger_tgtype - 1] = Int16GetDatum(tgtype);
- values[Anum_pg_trigger_tgenabled - 1] = true;
- values[Anum_pg_trigger_tgisconstraint - 1] = stmt->isconstraint;
- values[Anum_pg_trigger_tgconstrname - 1] = PointerGetDatum(constrname);;
- values[Anum_pg_trigger_tgconstrrelid - 1] = constrrelid;
- values[Anum_pg_trigger_tgdeferrable - 1] = stmt->deferrable;
- values[Anum_pg_trigger_tginitdeferred - 1] = stmt->initdeferred;
+ values[Anum_pg_trigger_tgenabled - 1] = true;
+ values[Anum_pg_trigger_tgisconstraint - 1] = stmt->isconstraint;
+ values[Anum_pg_trigger_tgconstrname - 1] = PointerGetDatum(constrname);;
+ values[Anum_pg_trigger_tgconstrrelid - 1] = constrrelid;
+ values[Anum_pg_trigger_tgdeferrable - 1] = stmt->deferrable;
+ values[Anum_pg_trigger_tginitdeferred - 1] = stmt->initdeferred;
if (stmt->args)
{
CatalogCloseIndices(Num_pg_class_indices, ridescs);
heap_freetuple(tuple);
heap_close(pgrel, RowExclusiveLock);
+
/*
* We used to try to update the rel's relcache entry here, but that's
- * fairly pointless since it will happen as a byproduct of the upcoming
- * CommandCounterIncrement...
+ * fairly pointless since it will happen as a byproduct of the
+ * upcoming CommandCounterIncrement...
*/
/* Keep lock on target rel until end of xact */
heap_close(rel, NoLock);
if (namestrcmp(&(pg_trigger->tgname), stmt->trigname) == 0)
{
- /*** Delete any comments associated with this trigger ***/
+ /*** Delete any comments associated with this trigger ***/
- DeleteComments(tuple->t_data->t_oid);
+ DeleteComments(tuple->t_data->t_oid);
- heap_delete(tgrel, &tuple->t_self, NULL);
- tgfound++;
+ heap_delete(tgrel, &tuple->t_self, NULL);
+ tgfound++;
}
else
CatalogCloseIndices(Num_pg_class_indices, ridescs);
heap_freetuple(tuple);
heap_close(pgrel, RowExclusiveLock);
+
/*
* We used to try to update the rel's relcache entry here, but that's
- * fairly pointless since it will happen as a byproduct of the upcoming
- * CommandCounterIncrement...
+ * fairly pointless since it will happen as a byproduct of the
+ * upcoming CommandCounterIncrement...
*/
/* Keep lock on target rel until end of xact */
heap_close(rel, NoLock);
tgscan = heap_beginscan(tgrel, 0, SnapshotNow, 1, &key);
- while (HeapTupleIsValid(tup = heap_getnext(tgscan, 0))) {
+ while (HeapTupleIsValid(tup = heap_getnext(tgscan, 0)))
+ {
- /*** Delete any comments associated with this trigger ***/
+ /*** Delete any comments associated with this trigger ***/
- DeleteComments(tup->t_data->t_oid);
+ DeleteComments(tup->t_data->t_oid);
- heap_delete(tgrel, &tup->t_self, NULL);
+ heap_delete(tgrel, &tup->t_self, NULL);
}
* ----------
*/
ScanKeyEntryInitialize(&key, 0, Anum_pg_trigger_tgconstrrelid,
- F_OIDEQ, RelationGetRelid(rel));
+ F_OIDEQ, RelationGetRelid(rel));
tgscan = heap_beginscan(tgrel, 0, SnapshotNow, 1, &key);
while (HeapTupleIsValid(tup = heap_getnext(tgscan, 0)))
{
- Form_pg_trigger pg_trigger;
- Relation refrel;
- DropTrigStmt stmt;
+ Form_pg_trigger pg_trigger;
+ Relation refrel;
+ DropTrigStmt stmt;
pg_trigger = (Form_pg_trigger) GETSTRUCT(tup);
Relation irel = (Relation) NULL;
ScanKeyData skey;
HeapTupleData tuple;
- IndexScanDesc sd = (IndexScanDesc) NULL;
- HeapScanDesc tgscan = (HeapScanDesc) NULL;
+ IndexScanDesc sd = (IndexScanDesc) NULL;
+ HeapScanDesc tgscan = (HeapScanDesc) NULL;
HeapTuple htup;
RetrieveIndexResult indexRes;
Buffer buffer;
bool
equalTriggerDescs(TriggerDesc *trigdesc1, TriggerDesc *trigdesc2)
{
- int i,
- j;
+ int i,
+ j;
/*
- * We need not examine the "index" data, just the trigger array itself;
- * if we have the same triggers with the same types, the derived index
- * data should match.
+ * We need not examine the "index" data, just the trigger array
+ * itself; if we have the same triggers with the same types, the
+ * derived index data should match.
*
* XXX It seems possible that the same triggers could appear in different
* orders in the two trigger arrays; do we need to handle that?
return false;
for (i = 0; i < trigdesc1->numtriggers; i++)
{
- Trigger *trig1 = trigdesc1->triggers + i;
- Trigger *trig2 = NULL;
+ Trigger *trig1 = trigdesc1->triggers + i;
+ Trigger *trig2 = NULL;
/*
* We can't assume that the triggers are always read from
* end.
* ----------
*/
-static GlobalMemory deftrig_gcxt = NULL;
-static GlobalMemory deftrig_cxt = NULL;
+static GlobalMemory deftrig_gcxt = NULL;
+static GlobalMemory deftrig_cxt = NULL;
/* ----------
* Global data that tells which triggers are actually in
* state IMMEDIATE or DEFERRED.
* ----------
*/
-static bool deftrig_dfl_all_isset = false;
-static bool deftrig_dfl_all_isdeferred = false;
-static List *deftrig_dfl_trigstates = NIL;
+static bool deftrig_dfl_all_isset = false;
+static bool deftrig_dfl_all_isdeferred = false;
+static List *deftrig_dfl_trigstates = NIL;
-static bool deftrig_all_isset;
-static bool deftrig_all_isdeferred;
-static List *deftrig_trigstates;
+static bool deftrig_all_isset;
+static bool deftrig_all_isdeferred;
+static List *deftrig_trigstates;
/* ----------
* The list of events during the entire transaction.
*
* XXX This must finally be held in a file because of the huge
- * number of events that could occur in the real world.
+ * number of events that could occur in the real world.
* ----------
*/
-static int deftrig_n_events;
-static List *deftrig_events;
+static int deftrig_n_events;
+static List *deftrig_events;
/* ----------
static bool
deferredTriggerCheckState(Oid tgoid, int32 itemstate)
{
- MemoryContext oldcxt;
- List *sl;
- DeferredTriggerStatus trigstate;
+ MemoryContext oldcxt;
+ List *sl;
+ DeferredTriggerStatus trigstate;
/* ----------
* Not deferrable triggers (i.e. normal AFTER ROW triggers
* Lookup if we know an individual state for this trigger
* ----------
*/
- foreach (sl, deftrig_trigstates)
+ foreach(sl, deftrig_trigstates)
{
trigstate = (DeferredTriggerStatus) lfirst(sl);
if (trigstate->dts_tgoid == tgoid)
oldcxt = MemoryContextSwitchTo((MemoryContext) deftrig_cxt);
trigstate = (DeferredTriggerStatus)
- palloc(sizeof(DeferredTriggerStatusData));
- trigstate->dts_tgoid = tgoid;
- trigstate->dts_tgisdeferred =
- ((itemstate & TRIGGER_DEFERRED_INITDEFERRED) != 0);
+ palloc(sizeof(DeferredTriggerStatusData));
+ trigstate->dts_tgoid = tgoid;
+ trigstate->dts_tgisdeferred =
+ ((itemstate & TRIGGER_DEFERRED_INITDEFERRED) != 0);
deftrig_trigstates = lappend(deftrig_trigstates, trigstate);
MemoryContextSwitchTo(oldcxt);
static DeferredTriggerEvent
deferredTriggerGetPreviousEvent(Oid relid, ItemPointer ctid)
{
- DeferredTriggerEvent previous;
- int n;
+ DeferredTriggerEvent previous;
+ int n;
for (n = deftrig_n_events - 1; n >= 0; n--)
{
continue;
if (ItemPointerGetBlockNumber(ctid) ==
- ItemPointerGetBlockNumber(&(previous->dte_newctid)) &&
- ItemPointerGetOffsetNumber(ctid) ==
- ItemPointerGetOffsetNumber(&(previous->dte_newctid)))
+ ItemPointerGetBlockNumber(&(previous->dte_newctid)) &&
+ ItemPointerGetOffsetNumber(ctid) ==
+ ItemPointerGetOffsetNumber(&(previous->dte_newctid)))
return previous;
}
elog(ERROR,
- "deferredTriggerGetPreviousEvent(): event for tuple %s not found",
- tidout(ctid));
+ "deferredTriggerGetPreviousEvent(): event for tuple %s not found",
+ tidout(ctid));
return NULL;
}
static void
deferredTriggerExecute(DeferredTriggerEvent event, int itemno)
{
- Relation rel;
- TriggerData SaveTriggerData;
- HeapTupleData oldtuple;
- HeapTupleData newtuple;
- HeapTuple rettuple;
- Buffer oldbuffer;
- Buffer newbuffer;
+ Relation rel;
+ TriggerData SaveTriggerData;
+ HeapTupleData oldtuple;
+ HeapTupleData newtuple;
+ HeapTuple rettuple;
+ Buffer oldbuffer;
+ Buffer newbuffer;
/* ----------
* Open the heap and fetch the required OLD and NEW tuples.
* Setup the trigger information
* ----------
*/
- SaveTriggerData.tg_event = (event->dte_event & TRIGGER_EVENT_OPMASK) |
- TRIGGER_EVENT_ROW;
+ SaveTriggerData.tg_event = (event->dte_event & TRIGGER_EVENT_OPMASK) |
+ TRIGGER_EVENT_ROW;
SaveTriggerData.tg_relation = rel;
switch (event->dte_event & TRIGGER_EVENT_OPMASK)
{
case TRIGGER_EVENT_INSERT:
SaveTriggerData.tg_trigtuple = &newtuple;
- SaveTriggerData.tg_newtuple = NULL;
- SaveTriggerData.tg_trigger =
- rel->trigdesc->tg_after_row[TRIGGER_EVENT_INSERT][itemno];
+ SaveTriggerData.tg_newtuple = NULL;
+ SaveTriggerData.tg_trigger =
+ rel->trigdesc->tg_after_row[TRIGGER_EVENT_INSERT][itemno];
break;
case TRIGGER_EVENT_UPDATE:
SaveTriggerData.tg_trigtuple = &oldtuple;
- SaveTriggerData.tg_newtuple = &newtuple;
- SaveTriggerData.tg_trigger =
- rel->trigdesc->tg_after_row[TRIGGER_EVENT_UPDATE][itemno];
+ SaveTriggerData.tg_newtuple = &newtuple;
+ SaveTriggerData.tg_trigger =
+ rel->trigdesc->tg_after_row[TRIGGER_EVENT_UPDATE][itemno];
break;
case TRIGGER_EVENT_DELETE:
SaveTriggerData.tg_trigtuple = &oldtuple;
- SaveTriggerData.tg_newtuple = NULL;
- SaveTriggerData.tg_trigger =
- rel->trigdesc->tg_after_row[TRIGGER_EVENT_DELETE][itemno];
+ SaveTriggerData.tg_newtuple = NULL;
+ SaveTriggerData.tg_trigger =
+ rel->trigdesc->tg_after_row[TRIGGER_EVENT_DELETE][itemno];
break;
}
static void
deferredTriggerInvokeEvents(bool immediate_only)
{
- List *el;
- DeferredTriggerEvent event;
- int still_deferred_ones;
- int eventno = -1;
- int i;
+ List *el;
+ DeferredTriggerEvent event;
+ int still_deferred_ones;
+ int eventno = -1;
+ int i;
/* ----------
* For now we process all events - to speedup transaction blocks
* SET CONSTRAINTS ... command finishes and calls EndQuery.
* ----------
*/
- foreach (el, deftrig_events)
+ foreach(el, deftrig_events)
{
eventno++;
* ----------
*/
if (immediate_only && deferredTriggerCheckState(
- event->dte_item[i].dti_tgoid,
- event->dte_item[i].dti_state))
+ event->dte_item[i].dti_tgoid,
+ event->dte_item[i].dti_state))
{
still_deferred_ones = true;
continue;
void
DeferredTriggerBeginXact(void)
{
- MemoryContext oldcxt;
- List *l;
- DeferredTriggerStatus dflstat;
- DeferredTriggerStatus stat;
+ MemoryContext oldcxt;
+ List *l;
+ DeferredTriggerStatus dflstat;
+ DeferredTriggerStatus stat;
if (deftrig_cxt != NULL)
elog(FATAL,
- "DeferredTriggerBeginXact() called while inside transaction");
+ "DeferredTriggerBeginXact() called while inside transaction");
/* ----------
* Create the per transaction memory context and copy all states
* from the per session context to here.
* ----------
*/
- deftrig_cxt = CreateGlobalMemory("DeferredTriggerXact");
- oldcxt = MemoryContextSwitchTo((MemoryContext)deftrig_cxt);
+ deftrig_cxt = CreateGlobalMemory("DeferredTriggerXact");
+ oldcxt = MemoryContextSwitchTo((MemoryContext) deftrig_cxt);
- deftrig_all_isset = deftrig_dfl_all_isset;
- deftrig_all_isdeferred = deftrig_dfl_all_isdeferred;
+ deftrig_all_isset = deftrig_dfl_all_isset;
+ deftrig_all_isdeferred = deftrig_dfl_all_isdeferred;
- deftrig_trigstates = NIL;
- foreach (l, deftrig_dfl_trigstates)
+ deftrig_trigstates = NIL;
+ foreach(l, deftrig_dfl_trigstates)
{
dflstat = (DeferredTriggerStatus) lfirst(l);
- stat = (DeferredTriggerStatus)
- palloc(sizeof(DeferredTriggerStatusData));
+ stat = (DeferredTriggerStatus)
+ palloc(sizeof(DeferredTriggerStatusData));
- stat->dts_tgoid = dflstat->dts_tgoid;
+ stat->dts_tgoid = dflstat->dts_tgoid;
stat->dts_tgisdeferred = dflstat->dts_tgisdeferred;
deftrig_trigstates = lappend(deftrig_trigstates, stat);
MemoryContextSwitchTo(oldcxt);
- deftrig_n_events = 0;
- deftrig_events = NIL;
+ deftrig_n_events = 0;
+ deftrig_events = NIL;
}
void
DeferredTriggerSetState(ConstraintsSetStmt *stmt)
{
- Relation tgrel;
- Relation irel = (Relation) NULL;
- List *l;
- List *ls;
- List *lnext;
- List *loid = NIL;
- MemoryContext oldcxt;
- bool found;
- DeferredTriggerStatus state;
- bool hasindex;
+ Relation tgrel;
+ Relation irel = (Relation) NULL;
+ List *l;
+ List *ls;
+ List *lnext;
+ List *loid = NIL;
+ MemoryContext oldcxt;
+ bool found;
+ DeferredTriggerStatus state;
+ bool hasindex;
/* ----------
* Handle SET CONSTRAINTS ALL ...
* ----------
*/
- if (stmt->constraints == NIL) {
+ if (stmt->constraints == NIL)
+ {
if (!IsTransactionBlock())
{
/* ----------
* Set the session ALL state to known.
* ----------
*/
- deftrig_dfl_all_isset = true;
+ deftrig_dfl_all_isset = true;
deftrig_dfl_all_isdeferred = stmt->deferred;
MemoryContextSwitchTo(oldcxt);
return;
- } else {
+ }
+ else
+ {
/* ----------
* ... inside of a transaction block
* ----------
* Set the per transaction ALL state to known.
* ----------
*/
- deftrig_all_isset = true;
+ deftrig_all_isset = true;
deftrig_all_isdeferred = stmt->deferred;
MemoryContextSwitchTo(oldcxt);
if (hasindex)
irel = index_openr(TriggerConstrNameIndex);
- foreach (l, stmt->constraints)
+ foreach(l, stmt->constraints)
{
- ScanKeyData skey;
- HeapTupleData tuple;
- IndexScanDesc sd = (IndexScanDesc) NULL;
- HeapScanDesc tgscan = (HeapScanDesc) NULL;
- HeapTuple htup;
- RetrieveIndexResult indexRes;
- Buffer buffer;
- Form_pg_trigger pg_trigger;
- Oid constr_oid;
+ ScanKeyData skey;
+ HeapTupleData tuple;
+ IndexScanDesc sd = (IndexScanDesc) NULL;
+ HeapScanDesc tgscan = (HeapScanDesc) NULL;
+ HeapTuple htup;
+ RetrieveIndexResult indexRes;
+ Buffer buffer;
+ Form_pg_trigger pg_trigger;
+ Oid constr_oid;
/* ----------
* Check that only named constraints are set explicitly
* ----------
*/
- if (strcmp((char *)lfirst(l), "") == 0)
+ if (strcmp((char *) lfirst(l), "") == 0)
elog(ERROR, "unnamed constraints cannot be set explicitly");
/* ----------
(bits16) 0x0,
(AttrNumber) 1,
(RegProcedure) F_NAMEEQ,
- PointerGetDatum((char *)lfirst(l)));
+ PointerGetDatum((char *) lfirst(l)));
if (hasindex)
sd = index_beginscan(irel, false, 1, &skey);
heap_fetch(tgrel, SnapshotNow, &tuple, &buffer);
pfree(indexRes);
if (!tuple.t_data)
- {
continue;
- }
htup = &tuple;
}
else
*/
pg_trigger = (Form_pg_trigger) GETSTRUCT(htup);
if (stmt->deferred && !pg_trigger->tgdeferrable &&
- pg_trigger->tgfoid != F_RI_FKEY_RESTRICT_UPD &&
- pg_trigger->tgfoid != F_RI_FKEY_RESTRICT_DEL)
+ pg_trigger->tgfoid != F_RI_FKEY_RESTRICT_UPD &&
+ pg_trigger->tgfoid != F_RI_FKEY_RESTRICT_DEL)
elog(ERROR, "Constraint '%s' is not deferrable",
- (char *)lfirst(l));
+ (char *) lfirst(l));
constr_oid = htup->t_data->t_oid;
- loid = lappend(loid, (Node *)constr_oid);
+ loid = lappend(loid, (Node *) constr_oid);
found = true;
if (hasindex)
* ----------
*/
if (!found)
- elog(ERROR, "Constraint '%s' does not exist", (char *)lfirst(l));
+ elog(ERROR, "Constraint '%s' does not exist", (char *) lfirst(l));
if (hasindex)
index_endscan(sd);
- else
+ else
heap_endscan(tgscan);
}
if (hasindex)
*/
oldcxt = MemoryContextSwitchTo((MemoryContext) deftrig_gcxt);
- foreach (l, loid)
+ foreach(l, loid)
{
found = false;
- foreach (ls, deftrig_dfl_trigstates)
+ foreach(ls, deftrig_dfl_trigstates)
{
state = (DeferredTriggerStatus) lfirst(ls);
if (state->dts_tgoid == (Oid) lfirst(l))
if (!found)
{
state = (DeferredTriggerStatus)
- palloc(sizeof(DeferredTriggerStatusData));
- state->dts_tgoid = (Oid) lfirst(l);
+ palloc(sizeof(DeferredTriggerStatusData));
+ state->dts_tgoid = (Oid) lfirst(l);
state->dts_tgisdeferred = stmt->deferred;
deftrig_dfl_trigstates =
- lappend(deftrig_dfl_trigstates, state);
+ lappend(deftrig_dfl_trigstates, state);
}
}
MemoryContextSwitchTo(oldcxt);
return;
- } else {
+ }
+ else
+ {
/* ----------
* Inside of a transaction block set the trigger
* states of individual triggers on transaction level.
*/
oldcxt = MemoryContextSwitchTo((MemoryContext) deftrig_cxt);
- foreach (l, loid)
+ foreach(l, loid)
{
found = false;
- foreach (ls, deftrig_trigstates)
+ foreach(ls, deftrig_trigstates)
{
state = (DeferredTriggerStatus) lfirst(ls);
if (state->dts_tgoid == (Oid) lfirst(l))
if (!found)
{
state = (DeferredTriggerStatus)
- palloc(sizeof(DeferredTriggerStatusData));
- state->dts_tgoid = (Oid) lfirst(l);
+ palloc(sizeof(DeferredTriggerStatusData));
+ state->dts_tgoid = (Oid) lfirst(l);
state->dts_tgisdeferred = stmt->deferred;
deftrig_trigstates =
- lappend(deftrig_trigstates, state);
+ lappend(deftrig_trigstates, state);
}
}
*/
void
DeferredTriggerSaveEvent(Relation rel, int event,
- HeapTuple oldtup, HeapTuple newtup)
+ HeapTuple oldtup, HeapTuple newtup)
{
- MemoryContext oldcxt;
- DeferredTriggerEvent new_event;
- DeferredTriggerEvent prev_event;
- int new_size;
- int i;
- int ntriggers;
- Trigger **triggers;
- ItemPointerData oldctid;
- ItemPointerData newctid;
- TriggerData SaveTriggerData;
+ MemoryContext oldcxt;
+ DeferredTriggerEvent new_event;
+ DeferredTriggerEvent prev_event;
+ int new_size;
+ int i;
+ int ntriggers;
+ Trigger **triggers;
+ ItemPointerData oldctid;
+ ItemPointerData newctid;
+ TriggerData SaveTriggerData;
if (deftrig_cxt == NULL)
elog(ERROR,
- "DeferredTriggerSaveEvent() called outside of transaction");
+ "DeferredTriggerSaveEvent() called outside of transaction");
/* ----------
* Check if we're interested in this row at all
* ----------
*/
if (rel->trigdesc->n_after_row[TRIGGER_EVENT_INSERT] == 0 &&
- rel->trigdesc->n_after_row[TRIGGER_EVENT_UPDATE] == 0 &&
- rel->trigdesc->n_after_row[TRIGGER_EVENT_DELETE] == 0 &&
- rel->trigdesc->n_before_row[TRIGGER_EVENT_INSERT] == 0 &&
- rel->trigdesc->n_before_row[TRIGGER_EVENT_UPDATE] == 0 &&
- rel->trigdesc->n_before_row[TRIGGER_EVENT_DELETE] == 0)
+ rel->trigdesc->n_after_row[TRIGGER_EVENT_UPDATE] == 0 &&
+ rel->trigdesc->n_after_row[TRIGGER_EVENT_DELETE] == 0 &&
+ rel->trigdesc->n_before_row[TRIGGER_EVENT_INSERT] == 0 &&
+ rel->trigdesc->n_before_row[TRIGGER_EVENT_UPDATE] == 0 &&
+ rel->trigdesc->n_before_row[TRIGGER_EVENT_DELETE] == 0)
return;
/* ----------
oldcxt = MemoryContextSwitchTo((MemoryContext) deftrig_cxt);
ntriggers = rel->trigdesc->n_after_row[event];
- triggers = rel->trigdesc->tg_after_row[event];
+ triggers = rel->trigdesc->tg_after_row[event];
- new_size = sizeof(DeferredTriggerEventData) +
- ntriggers * sizeof(DeferredTriggerEventItem);
+ new_size = sizeof(DeferredTriggerEventData) +
+ ntriggers * sizeof(DeferredTriggerEventItem);
new_event = (DeferredTriggerEvent) palloc(new_size);
- new_event->dte_event = event & TRIGGER_EVENT_OPMASK;
- new_event->dte_relid = rel->rd_id;
+ new_event->dte_event = event & TRIGGER_EVENT_OPMASK;
+ new_event->dte_relid = rel->rd_id;
ItemPointerCopy(&oldctid, &(new_event->dte_oldctid));
ItemPointerCopy(&newctid, &(new_event->dte_newctid));
new_event->dte_n_items = ntriggers;
new_event->dte_item[i].dti_tgoid = triggers[i]->tgoid;
new_event->dte_item[i].dti_state =
((triggers[i]->tgdeferrable) ?
- TRIGGER_DEFERRED_DEFERRABLE : 0) |
+ TRIGGER_DEFERRED_DEFERRABLE : 0) |
((triggers[i]->tginitdeferred) ?
- TRIGGER_DEFERRED_INITDEFERRED : 0) |
+ TRIGGER_DEFERRED_INITDEFERRED : 0) |
((rel->trigdesc->n_before_row[event] > 0) ?
- TRIGGER_DEFERRED_HAS_BEFORE : 0);
+ TRIGGER_DEFERRED_HAS_BEFORE : 0);
}
MemoryContextSwitchTo(oldcxt);
*/
for (i = 0; i < ntriggers; i++)
{
- bool is_ri_trigger;
- bool key_unchanged;
+ bool is_ri_trigger;
+ bool key_unchanged;
/* ----------
* We are interested in RI_FKEY triggers only.
if (!is_ri_trigger)
continue;
- SaveTriggerData.tg_event = TRIGGER_EVENT_UPDATE;
- SaveTriggerData.tg_relation = rel;
+ SaveTriggerData.tg_event = TRIGGER_EVENT_UPDATE;
+ SaveTriggerData.tg_relation = rel;
SaveTriggerData.tg_trigtuple = oldtup;
- SaveTriggerData.tg_newtuple = newtup;
- SaveTriggerData.tg_trigger = triggers[i];
+ SaveTriggerData.tg_newtuple = newtup;
+ SaveTriggerData.tg_trigger = triggers[i];
CurrentTriggerData = &SaveTriggerData;
key_unchanged = RI_FKey_keyequal_upd();
if (prev_event)
{
if (prev_event->dte_event &
- TRIGGER_DEFERRED_ROW_INSERTED)
+ TRIGGER_DEFERRED_ROW_INSERTED)
{
/* ----------
* This is a row inserted during our transaction.
* ----------
*/
new_event->dte_event |=
- TRIGGER_DEFERRED_ROW_INSERTED;
+ TRIGGER_DEFERRED_ROW_INSERTED;
new_event->dte_event |=
- TRIGGER_DEFERRED_KEY_CHANGED;
+ TRIGGER_DEFERRED_KEY_CHANGED;
new_event->dte_item[i].dti_state |=
- TRIGGER_DEFERRED_KEY_CHANGED;
+ TRIGGER_DEFERRED_KEY_CHANGED;
}
else
{
* ----------
*/
if (prev_event->dte_item[i].dti_state &
- TRIGGER_DEFERRED_KEY_CHANGED)
+ TRIGGER_DEFERRED_KEY_CHANGED)
{
new_event->dte_item[i].dti_state |=
- TRIGGER_DEFERRED_KEY_CHANGED;
+ TRIGGER_DEFERRED_KEY_CHANGED;
new_event->dte_event |=
- TRIGGER_DEFERRED_KEY_CHANGED;
+ TRIGGER_DEFERRED_KEY_CHANGED;
}
}
}
if (prev_event)
{
if (prev_event->dte_event &
- TRIGGER_DEFERRED_ROW_INSERTED)
+ TRIGGER_DEFERRED_ROW_INSERTED)
elog(ERROR, "triggered data change violation "
- "on relation \"%s\"",
- nameout(&(rel->rd_rel->relname)));
+ "on relation \"%s\"",
+ nameout(&(rel->rd_rel->relname)));
if (prev_event->dte_item[i].dti_state &
- TRIGGER_DEFERRED_KEY_CHANGED)
+ TRIGGER_DEFERRED_KEY_CHANGED)
elog(ERROR, "triggered data change violation "
- "on relation \"%s\"",
- nameout(&(rel->rd_rel->relname)));
+ "on relation \"%s\"",
+ nameout(&(rel->rd_rel->relname)));
}
/* ----------
* ----------
*/
new_event->dte_item[i].dti_state |=
- TRIGGER_DEFERRED_KEY_CHANGED;
+ TRIGGER_DEFERRED_KEY_CHANGED;
new_event->dte_event |= TRIGGER_DEFERRED_KEY_CHANGED;
}
}
prev_event = deferredTriggerGetPreviousEvent(rel->rd_id, &oldctid);
if (prev_event->dte_event & TRIGGER_DEFERRED_KEY_CHANGED)
elog(ERROR, "triggered data change violation "
- "on relation \"%s\"",
- nameout(&(rel->rd_rel->relname)));
+ "on relation \"%s\"",
+ nameout(&(rel->rd_rel->relname)));
break;
}
return;
}
-
-
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: user.c,v 1.51 2000/03/15 07:02:56 tgl Exp $
+ * $Id: user.c,v 1.52 2000/04/12 17:14:59 momjian Exp $
*
*-------------------------------------------------------------------------
*/
char *filename,
*tempname;
int bufsize;
- FILE *fp;
- mode_t oumask;
- HeapScanDesc scan;
- HeapTuple tuple;
- TupleDesc dsc = RelationGetDescr(rel);
+ FILE *fp;
+ mode_t oumask;
+ HeapScanDesc scan;
+ HeapTuple tuple;
+ TupleDesc dsc = RelationGetDescr(rel);
/*
* Create a temporary filename to be renamed later. This prevents the
tempname = (char *) palloc(bufsize);
snprintf(tempname, bufsize, "%s.%d", filename, MyProcPid);
- oumask = umask((mode_t) 077);
- fp = AllocateFile(tempname, "w");
- umask(oumask);
- if (fp == NULL)
- elog(ERROR, "%s: %s", tempname, strerror(errno));
-
- /* read table */
- scan = heap_beginscan(rel, false, SnapshotSelf, 0, NULL);
- while (HeapTupleIsValid(tuple = heap_getnext(scan, 0)))
- {
- Datum datum_n, datum_p, datum_v;
- bool null_n, null_p, null_v;
+ oumask = umask((mode_t) 077);
+ fp = AllocateFile(tempname, "w");
+ umask(oumask);
+ if (fp == NULL)
+ elog(ERROR, "%s: %s", tempname, strerror(errno));
+
+ /* read table */
+ scan = heap_beginscan(rel, false, SnapshotSelf, 0, NULL);
+ while (HeapTupleIsValid(tuple = heap_getnext(scan, 0)))
+ {
+ Datum datum_n,
+ datum_p,
+ datum_v;
+ bool null_n,
+ null_p,
+ null_v;
datum_n = heap_getattr(tuple, Anum_pg_shadow_usename, dsc, &null_n);
- if (null_n)
- continue; /* don't allow empty users */
+ if (null_n)
+ continue; /* don't allow empty users */
datum_p = heap_getattr(tuple, Anum_pg_shadow_passwd, dsc, &null_p);
- /* It could be argued that people having a null password
- shouldn't be allowed to connect, because they need
- to have a password set up first. If you think assuming
- an empty password in that case is better, erase the following line. */
- if (null_p)
- continue;
+
+ /*
+ * It could be argued that people having a null password shouldn't
+ * be allowed to connect, because they need to have a password set
+ * up first. If you think assuming an empty password in that case
+ * is better, erase the following line.
+ */
+ if (null_p)
+ continue;
datum_v = heap_getattr(tuple, Anum_pg_shadow_valuntil, dsc, &null_v);
- /* These fake entries are not really necessary. To remove them, the parser
- in backend/libpq/crypt.c would need to be adjusted. Initdb might also
- need adjustments. */
- fprintf(fp,
- "%s"
- CRYPT_PWD_FILE_SEPSTR
- "0"
- CRYPT_PWD_FILE_SEPSTR
- "x"
- CRYPT_PWD_FILE_SEPSTR
- "x"
- CRYPT_PWD_FILE_SEPSTR
- "x"
- CRYPT_PWD_FILE_SEPSTR
- "x"
- CRYPT_PWD_FILE_SEPSTR
- "%s"
- CRYPT_PWD_FILE_SEPSTR
- "%s\n",
- nameout(DatumGetName(datum_n)),
- null_p ? "" : textout((text*)datum_p),
- null_v ? "\\N" : nabstimeout((AbsoluteTime)datum_v) /* this is how the parser wants it */
- );
- if (ferror(fp))
- elog(ERROR, "%s: %s", tempname, strerror(errno));
- fflush(fp);
- }
- heap_endscan(scan);
- FreeFile(fp);
-
- /*
- * And rename the temp file to its final name, deleting the old pg_pwd.
- */
- rename(tempname, filename);
-
- /*
+ /*
+ * These fake entries are not really necessary. To remove them,
+ * the parser in backend/libpq/crypt.c would need to be adjusted.
+ * Initdb might also need adjustments.
+ */
+ fprintf(fp,
+ "%s"
+ CRYPT_PWD_FILE_SEPSTR
+ "0"
+ CRYPT_PWD_FILE_SEPSTR
+ "x"
+ CRYPT_PWD_FILE_SEPSTR
+ "x"
+ CRYPT_PWD_FILE_SEPSTR
+ "x"
+ CRYPT_PWD_FILE_SEPSTR
+ "x"
+ CRYPT_PWD_FILE_SEPSTR
+ "%s"
+ CRYPT_PWD_FILE_SEPSTR
+ "%s\n",
+ nameout(DatumGetName(datum_n)),
+ null_p ? "" : textout((text *) datum_p),
+ null_v ? "\\N" : nabstimeout((AbsoluteTime) datum_v) /* this is how the
+ * parser wants it */
+ );
+ if (ferror(fp))
+ elog(ERROR, "%s: %s", tempname, strerror(errno));
+ fflush(fp);
+ }
+ heap_endscan(scan);
+ FreeFile(fp);
+
+ /*
+ * And rename the temp file to its final name, deleting the old
+ * pg_pwd.
+ */
+ rename(tempname, filename);
+
+ /*
* Create a flag file the postmaster will detect the next time it
* tries to authenticate a user. The postmaster will know to reload
* the pg_pwd file contents.
*/
filename = crypt_getpwdreloadfilename();
if (creat(filename, S_IRUSR | S_IWUSR) == -1)
- elog(ERROR, "%s: %s", filename, strerror(errno));
+ elog(ERROR, "%s: %s", filename, strerror(errno));
pfree((void *) tempname);
}
HeapTuple
update_pg_pwd(void)
{
- Relation rel = heap_openr(ShadowRelationName, AccessExclusiveLock);
- write_password_file(rel);
- heap_close(rel, AccessExclusiveLock);
+ Relation rel = heap_openr(ShadowRelationName, AccessExclusiveLock);
+
+ write_password_file(rel);
+ heap_close(rel, AccessExclusiveLock);
/*
- * This is a trigger, so clean out the information provided by
- * the trigger manager.
+ * This is a trigger, so clean out the information provided by the
+ * trigger manager.
*/
CurrentTriggerData = NULL;
- return NULL;
+ return NULL;
}
TupleDesc pg_shadow_dsc;
HeapScanDesc scan;
HeapTuple tuple;
- Datum new_record[Natts_pg_shadow];
- char new_record_nulls[Natts_pg_shadow];
+ Datum new_record[Natts_pg_shadow];
+ char new_record_nulls[Natts_pg_shadow];
bool user_exists = false,
- sysid_exists = false,
- havesysid;
+ sysid_exists = false,
+ havesysid;
int max_id = -1;
- List *item;
+ List *item;
- havesysid = stmt->sysid > 0;
+ havesysid = stmt->sysid > 0;
- /* Check some permissions first */
+ /* Check some permissions first */
if (stmt->password)
CheckPgUserAclNotNull();
- if (!superuser())
- elog(ERROR, "CREATE USER: permission denied");
+ if (!superuser())
+ elog(ERROR, "CREATE USER: permission denied");
- /* The reason for the following is this:
- * If you start a transaction block, create a user, then roll back the
- * transaction, the pg_pwd won't get rolled back due to a bug in the
- * Unix file system ( :}). Hence this is in the interest of security.
- */
+ /*
+ * The reason for the following is this: If you start a transaction
+ * block, create a user, then roll back the transaction, the pg_pwd
+ * won't get rolled back due to a bug in the Unix file system ( :}).
+ * Hence this is in the interest of security.
+ */
if (IsTransactionBlock())
- elog(ERROR, "CREATE USER: may not be called in a transaction block");
+ elog(ERROR, "CREATE USER: may not be called in a transaction block");
/*
- * Scan the pg_shadow relation to be certain the user or id doesn't already
- * exist. Note we secure exclusive lock, because we also need to be
- * sure of what the next usesysid should be, and we need to protect
- * our update of the flat password file.
+ * Scan the pg_shadow relation to be certain the user or id doesn't
+ * already exist. Note we secure exclusive lock, because we also need
+ * to be sure of what the next usesysid should be, and we need to
+ * protect our update of the flat password file.
*/
pg_shadow_rel = heap_openr(ShadowRelationName, AccessExclusiveLock);
pg_shadow_dsc = RelationGetDescr(pg_shadow_rel);
scan = heap_beginscan(pg_shadow_rel, false, SnapshotNow, 0, NULL);
while (!user_exists && !sysid_exists && HeapTupleIsValid(tuple = heap_getnext(scan, 0)))
{
- Datum datum;
- bool null;
+ Datum datum;
+ bool null;
datum = heap_getattr(tuple, Anum_pg_shadow_usename, pg_shadow_dsc, &null);
user_exists = datum && !null && (strcmp((char *) datum, stmt->user) == 0);
datum = heap_getattr(tuple, Anum_pg_shadow_usesysid, pg_shadow_dsc, &null);
- if (havesysid) /* customized id wanted */
- sysid_exists = datum && !null && ((int)datum == stmt->sysid);
- else /* pick 1 + max */
- {
- if ((int) datum > max_id)
- max_id = (int) datum;
- }
+ if (havesysid) /* customized id wanted */
+ sysid_exists = datum && !null && ((int) datum == stmt->sysid);
+ else
+/* pick 1 + max */
+ {
+ if ((int) datum > max_id)
+ max_id = (int) datum;
+ }
}
heap_endscan(scan);
if (user_exists || sysid_exists)
{
heap_close(pg_shadow_rel, AccessExclusiveLock);
- if (user_exists)
- elog(ERROR, "CREATE USER: user name \"%s\" already exists", stmt->user);
- else
- elog(ERROR, "CREATE USER: sysid %d is already assigned", stmt->sysid);
+ if (user_exists)
+ elog(ERROR, "CREATE USER: user name \"%s\" already exists", stmt->user);
+ else
+ elog(ERROR, "CREATE USER: sysid %d is already assigned", stmt->sysid);
return;
}
- /*
- * Build a tuple to insert
- */
- new_record[Anum_pg_shadow_usename-1] = PointerGetDatum(namein(stmt->user)); /* this truncated properly */
- new_record[Anum_pg_shadow_usesysid-1] = Int32GetDatum(havesysid ? stmt->sysid : max_id + 1);
-
- AssertState(BoolIsValid(stmt->createdb));
- new_record[Anum_pg_shadow_usecreatedb-1] = (Datum)(stmt->createdb);
- new_record[Anum_pg_shadow_usetrace-1] = (Datum)(false);
- AssertState(BoolIsValid(stmt->createuser));
- new_record[Anum_pg_shadow_usesuper-1] = (Datum)(stmt->createuser);
- /* superuser gets catupd right by default */
- new_record[Anum_pg_shadow_usecatupd-1] = (Datum)(stmt->createuser);
-
- if (stmt->password)
- new_record[Anum_pg_shadow_passwd-1] = PointerGetDatum(textin(stmt->password));
- if (stmt->validUntil)
- new_record[Anum_pg_shadow_valuntil-1] = PointerGetDatum(nabstimein(stmt->validUntil));
-
- new_record_nulls[Anum_pg_shadow_usename-1] = ' ';
- new_record_nulls[Anum_pg_shadow_usesysid-1] = ' ';
-
- new_record_nulls[Anum_pg_shadow_usecreatedb-1] = ' ';
- new_record_nulls[Anum_pg_shadow_usetrace-1] = ' ';
- new_record_nulls[Anum_pg_shadow_usesuper-1] = ' ';
- new_record_nulls[Anum_pg_shadow_usecatupd-1] = ' ';
-
- new_record_nulls[Anum_pg_shadow_passwd-1] = stmt->password ? ' ' : 'n';
- new_record_nulls[Anum_pg_shadow_valuntil-1] = stmt->validUntil ? ' ' : 'n';
-
- tuple = heap_formtuple(pg_shadow_dsc, new_record, new_record_nulls);
- Assert(tuple);
-
- /*
- * Insert a new record in the pg_shadow table
- */
- if (heap_insert(pg_shadow_rel, tuple) == InvalidOid)
- elog(ERROR, "CREATE USER: heap_insert failed");
-
- /*
- * Update indexes
- */
- if (RelationGetForm(pg_shadow_rel)->relhasindex) {
- Relation idescs[Num_pg_shadow_indices];
-
- CatalogOpenIndices(Num_pg_shadow_indices,
- Name_pg_shadow_indices, idescs);
- CatalogIndexInsert(idescs, Num_pg_shadow_indices, pg_shadow_rel,
- tuple);
- CatalogCloseIndices(Num_pg_shadow_indices, idescs);
- }
+ /*
+ * Build a tuple to insert
+ */
+ new_record[Anum_pg_shadow_usename - 1] = PointerGetDatum(namein(stmt->user)); /* this truncated
+ * properly */
+ new_record[Anum_pg_shadow_usesysid - 1] = Int32GetDatum(havesysid ? stmt->sysid : max_id + 1);
+
+ AssertState(BoolIsValid(stmt->createdb));
+ new_record[Anum_pg_shadow_usecreatedb - 1] = (Datum) (stmt->createdb);
+ new_record[Anum_pg_shadow_usetrace - 1] = (Datum) (false);
+ AssertState(BoolIsValid(stmt->createuser));
+ new_record[Anum_pg_shadow_usesuper - 1] = (Datum) (stmt->createuser);
+ /* superuser gets catupd right by default */
+ new_record[Anum_pg_shadow_usecatupd - 1] = (Datum) (stmt->createuser);
+
+ if (stmt->password)
+ new_record[Anum_pg_shadow_passwd - 1] = PointerGetDatum(textin(stmt->password));
+ if (stmt->validUntil)
+ new_record[Anum_pg_shadow_valuntil - 1] = PointerGetDatum(nabstimein(stmt->validUntil));
+
+ new_record_nulls[Anum_pg_shadow_usename - 1] = ' ';
+ new_record_nulls[Anum_pg_shadow_usesysid - 1] = ' ';
+
+ new_record_nulls[Anum_pg_shadow_usecreatedb - 1] = ' ';
+ new_record_nulls[Anum_pg_shadow_usetrace - 1] = ' ';
+ new_record_nulls[Anum_pg_shadow_usesuper - 1] = ' ';
+ new_record_nulls[Anum_pg_shadow_usecatupd - 1] = ' ';
+
+ new_record_nulls[Anum_pg_shadow_passwd - 1] = stmt->password ? ' ' : 'n';
+ new_record_nulls[Anum_pg_shadow_valuntil - 1] = stmt->validUntil ? ' ' : 'n';
+
+ tuple = heap_formtuple(pg_shadow_dsc, new_record, new_record_nulls);
+ Assert(tuple);
+
+ /*
+ * Insert a new record in the pg_shadow table
+ */
+ if (heap_insert(pg_shadow_rel, tuple) == InvalidOid)
+ elog(ERROR, "CREATE USER: heap_insert failed");
+
+ /*
+ * Update indexes
+ */
+ if (RelationGetForm(pg_shadow_rel)->relhasindex)
+ {
+ Relation idescs[Num_pg_shadow_indices];
+
+ CatalogOpenIndices(Num_pg_shadow_indices,
+ Name_pg_shadow_indices, idescs);
+ CatalogIndexInsert(idescs, Num_pg_shadow_indices, pg_shadow_rel,
+ tuple);
+ CatalogCloseIndices(Num_pg_shadow_indices, idescs);
+ }
/*
* Add the user to the groups specified. We'll just call the below
- * AlterGroup for this.
+ * AlterGroup for this.
*/
- foreach(item, stmt->groupElts)
- {
- AlterGroupStmt ags;
+ foreach(item, stmt->groupElts)
+ {
+ AlterGroupStmt ags;
- ags.name = strVal(lfirst(item)); /* the group name to add this in */
- ags.action = +1;
- ags.listUsers = lcons((void*)makeInteger(havesysid ? stmt->sysid : max_id + 1), NIL);
- AlterGroup(&ags, "CREATE USER");
- }
+ ags.name = strVal(lfirst(item)); /* the group name to add
+ * this in */
+ ags.action = +1;
+ ags.listUsers = lcons((void *) makeInteger(havesysid ? stmt->sysid : max_id + 1), NIL);
+ AlterGroup(&ags, "CREATE USER");
+ }
/*
* Write the updated pg_shadow data to the flat password file.
*/
- write_password_file(pg_shadow_rel);
+ write_password_file(pg_shadow_rel);
+
/*
* Now we can clean up.
*/
extern void
AlterUser(AlterUserStmt *stmt)
{
- Datum new_record[Natts_pg_shadow];
- char new_record_nulls[Natts_pg_shadow];
+ Datum new_record[Natts_pg_shadow];
+ char new_record_nulls[Natts_pg_shadow];
Relation pg_shadow_rel;
TupleDesc pg_shadow_dsc;
- HeapTuple tuple, new_tuple;
- bool null;
+ HeapTuple tuple,
+ new_tuple;
+ bool null;
if (stmt->password)
CheckPgUserAclNotNull();
- /* must be superuser or just want to change your own password */
- if (!superuser() &&
- !(stmt->createdb==0 && stmt->createuser==0 && !stmt->validUntil
- && stmt->password && strcmp(GetPgUserName(), stmt->user)==0))
- elog(ERROR, "ALTER USER: permission denied");
+ /* must be superuser or just want to change your own password */
+ if (!superuser() &&
+ !(stmt->createdb == 0 && stmt->createuser == 0 && !stmt->validUntil
+ && stmt->password && strcmp(GetPgUserName(), stmt->user) == 0))
+ elog(ERROR, "ALTER USER: permission denied");
- /* see comments in create user */
+ /* see comments in create user */
if (IsTransactionBlock())
- elog(ERROR, "ALTER USER: may not be called in a transaction block");
+ elog(ERROR, "ALTER USER: may not be called in a transaction block");
/*
- * Scan the pg_shadow relation to be certain the user exists.
- * Note we secure exclusive lock to protect our update of the
- * flat password file.
+ * Scan the pg_shadow relation to be certain the user exists. Note we
+ * secure exclusive lock to protect our update of the flat password
+ * file.
*/
pg_shadow_rel = heap_openr(ShadowRelationName, AccessExclusiveLock);
pg_shadow_dsc = RelationGetDescr(pg_shadow_rel);
elog(ERROR, "ALTER USER: user \"%s\" does not exist", stmt->user);
}
- /*
- * Build a tuple to update, perusing the information just obtained
- */
- new_record[Anum_pg_shadow_usename-1] = PointerGetDatum(namein(stmt->user));
- new_record_nulls[Anum_pg_shadow_usename-1] = ' ';
-
- /* sysid - leave as is */
- new_record[Anum_pg_shadow_usesysid-1] = heap_getattr(tuple, Anum_pg_shadow_usesysid, pg_shadow_dsc, &null);
- new_record_nulls[Anum_pg_shadow_usesysid-1] = null ? 'n' : ' ';
-
- /* createdb */
- if (stmt->createdb == 0)
- {
- /* don't change */
- new_record[Anum_pg_shadow_usecreatedb-1] = heap_getattr(tuple, Anum_pg_shadow_usecreatedb, pg_shadow_dsc, &null);
- new_record_nulls[Anum_pg_shadow_usecreatedb-1] = null ? 'n' : ' ';
- }
- else
- {
- new_record[Anum_pg_shadow_usecreatedb-1] = (Datum)(stmt->createdb > 0 ? true : false);
- new_record_nulls[Anum_pg_shadow_usecreatedb-1] = ' ';
- }
-
- /* trace - leave as is */
- new_record[Anum_pg_shadow_usetrace-1] = heap_getattr(tuple, Anum_pg_shadow_usetrace, pg_shadow_dsc, &null);
- new_record_nulls[Anum_pg_shadow_usetrace-1] = null ? 'n' : ' ';
-
- /* createuser (superuser) */
- if (stmt->createuser == 0)
- {
- /* don't change */
- new_record[Anum_pg_shadow_usesuper-1] = heap_getattr(tuple, Anum_pg_shadow_usesuper, pg_shadow_dsc, &null);
- new_record_nulls[Anum_pg_shadow_usesuper-1] = null ? 'n' : ' ';
- }
- else
- {
- new_record[Anum_pg_shadow_usesuper-1] = (Datum)(stmt->createuser > 0 ? true : false);
- new_record_nulls[Anum_pg_shadow_usesuper-1] = ' ';
- }
-
- /* catupd - set to false if someone's superuser priv is being yanked */
- if (stmt->createuser < 0)
- {
- new_record[Anum_pg_shadow_usecatupd-1] = (Datum)(false);
- new_record_nulls[Anum_pg_shadow_usecatupd-1] = ' ';
- }
- else
- {
- /* leave alone */
- new_record[Anum_pg_shadow_usecatupd-1] = heap_getattr(tuple, Anum_pg_shadow_usecatupd, pg_shadow_dsc, &null);
- new_record_nulls[Anum_pg_shadow_usecatupd-1] = null ? 'n' : ' ';
- }
-
- /* password */
- if (stmt->password)
- {
- new_record[Anum_pg_shadow_passwd-1] = PointerGetDatum(textin(stmt->password));
- new_record_nulls[Anum_pg_shadow_passwd-1] = ' ';
- }
- else
- {
- /* leave as is */
- new_record[Anum_pg_shadow_passwd-1] = heap_getattr(tuple, Anum_pg_shadow_passwd, pg_shadow_dsc, &null);
- new_record_nulls[Anum_pg_shadow_passwd-1] = null ? 'n' : ' ';
- }
-
- /* valid until */
- if (stmt->validUntil)
- {
- new_record[Anum_pg_shadow_valuntil-1] = PointerGetDatum(nabstimein(stmt->validUntil));
- new_record_nulls[Anum_pg_shadow_valuntil-1] = ' ';
- }
- else
- {
- /* leave as is */
- new_record[Anum_pg_shadow_valuntil-1] = heap_getattr(tuple, Anum_pg_shadow_valuntil, pg_shadow_dsc, &null);
- new_record_nulls[Anum_pg_shadow_valuntil-1] = null ? 'n' : ' ';
- }
-
- new_tuple = heap_formtuple(pg_shadow_dsc, new_record, new_record_nulls);
- Assert(new_tuple);
- /* XXX check return value of this? */
- heap_update(pg_shadow_rel, &tuple->t_self, new_tuple, NULL);
-
-
- /* Update indexes */
- if (RelationGetForm(pg_shadow_rel)->relhasindex)
- {
- Relation idescs[Num_pg_shadow_indices];
-
- CatalogOpenIndices(Num_pg_shadow_indices,
- Name_pg_shadow_indices, idescs);
- CatalogIndexInsert(idescs, Num_pg_shadow_indices, pg_shadow_rel,
- tuple);
- CatalogCloseIndices(Num_pg_shadow_indices, idescs);
- }
+ /*
+ * Build a tuple to update, perusing the information just obtained
+ */
+ new_record[Anum_pg_shadow_usename - 1] = PointerGetDatum(namein(stmt->user));
+ new_record_nulls[Anum_pg_shadow_usename - 1] = ' ';
+
+ /* sysid - leave as is */
+ new_record[Anum_pg_shadow_usesysid - 1] = heap_getattr(tuple, Anum_pg_shadow_usesysid, pg_shadow_dsc, &null);
+ new_record_nulls[Anum_pg_shadow_usesysid - 1] = null ? 'n' : ' ';
+
+ /* createdb */
+ if (stmt->createdb == 0)
+ {
+ /* don't change */
+ new_record[Anum_pg_shadow_usecreatedb - 1] = heap_getattr(tuple, Anum_pg_shadow_usecreatedb, pg_shadow_dsc, &null);
+ new_record_nulls[Anum_pg_shadow_usecreatedb - 1] = null ? 'n' : ' ';
+ }
+ else
+ {
+ new_record[Anum_pg_shadow_usecreatedb - 1] = (Datum) (stmt->createdb > 0 ? true : false);
+ new_record_nulls[Anum_pg_shadow_usecreatedb - 1] = ' ';
+ }
+
+ /* trace - leave as is */
+ new_record[Anum_pg_shadow_usetrace - 1] = heap_getattr(tuple, Anum_pg_shadow_usetrace, pg_shadow_dsc, &null);
+ new_record_nulls[Anum_pg_shadow_usetrace - 1] = null ? 'n' : ' ';
+
+ /* createuser (superuser) */
+ if (stmt->createuser == 0)
+ {
+ /* don't change */
+ new_record[Anum_pg_shadow_usesuper - 1] = heap_getattr(tuple, Anum_pg_shadow_usesuper, pg_shadow_dsc, &null);
+ new_record_nulls[Anum_pg_shadow_usesuper - 1] = null ? 'n' : ' ';
+ }
+ else
+ {
+ new_record[Anum_pg_shadow_usesuper - 1] = (Datum) (stmt->createuser > 0 ? true : false);
+ new_record_nulls[Anum_pg_shadow_usesuper - 1] = ' ';
+ }
+
+ /* catupd - set to false if someone's superuser priv is being yanked */
+ if (stmt->createuser < 0)
+ {
+ new_record[Anum_pg_shadow_usecatupd - 1] = (Datum) (false);
+ new_record_nulls[Anum_pg_shadow_usecatupd - 1] = ' ';
+ }
+ else
+ {
+ /* leave alone */
+ new_record[Anum_pg_shadow_usecatupd - 1] = heap_getattr(tuple, Anum_pg_shadow_usecatupd, pg_shadow_dsc, &null);
+ new_record_nulls[Anum_pg_shadow_usecatupd - 1] = null ? 'n' : ' ';
+ }
+
+ /* password */
+ if (stmt->password)
+ {
+ new_record[Anum_pg_shadow_passwd - 1] = PointerGetDatum(textin(stmt->password));
+ new_record_nulls[Anum_pg_shadow_passwd - 1] = ' ';
+ }
+ else
+ {
+ /* leave as is */
+ new_record[Anum_pg_shadow_passwd - 1] = heap_getattr(tuple, Anum_pg_shadow_passwd, pg_shadow_dsc, &null);
+ new_record_nulls[Anum_pg_shadow_passwd - 1] = null ? 'n' : ' ';
+ }
+
+ /* valid until */
+ if (stmt->validUntil)
+ {
+ new_record[Anum_pg_shadow_valuntil - 1] = PointerGetDatum(nabstimein(stmt->validUntil));
+ new_record_nulls[Anum_pg_shadow_valuntil - 1] = ' ';
+ }
+ else
+ {
+ /* leave as is */
+ new_record[Anum_pg_shadow_valuntil - 1] = heap_getattr(tuple, Anum_pg_shadow_valuntil, pg_shadow_dsc, &null);
+ new_record_nulls[Anum_pg_shadow_valuntil - 1] = null ? 'n' : ' ';
+ }
+
+ new_tuple = heap_formtuple(pg_shadow_dsc, new_record, new_record_nulls);
+ Assert(new_tuple);
+ /* XXX check return value of this? */
+ heap_update(pg_shadow_rel, &tuple->t_self, new_tuple, NULL);
+
+
+ /* Update indexes */
+ if (RelationGetForm(pg_shadow_rel)->relhasindex)
+ {
+ Relation idescs[Num_pg_shadow_indices];
+
+ CatalogOpenIndices(Num_pg_shadow_indices,
+ Name_pg_shadow_indices, idescs);
+ CatalogIndexInsert(idescs, Num_pg_shadow_indices, pg_shadow_rel,
+ tuple);
+ CatalogCloseIndices(Num_pg_shadow_indices, idescs);
+ }
/*
* Write the updated pg_shadow data to the flat password file.
*/
- write_password_file(pg_shadow_rel);
+ write_password_file(pg_shadow_rel);
/*
* Now we can clean up.
{
Relation pg_shadow_rel;
TupleDesc pg_shadow_dsc;
- List *item;
+ List *item;
- if (!superuser())
- elog(ERROR, "DROP USER: permission denied");
+ if (!superuser())
+ elog(ERROR, "DROP USER: permission denied");
if (IsTransactionBlock())
- elog(ERROR, "DROP USER: may not be called in a transaction block");
+ elog(ERROR, "DROP USER: may not be called in a transaction block");
/*
* Scan the pg_shadow relation to find the usesysid of the user to be
pg_shadow_rel = heap_openr(ShadowRelationName, AccessExclusiveLock);
pg_shadow_dsc = RelationGetDescr(pg_shadow_rel);
- foreach(item, stmt->users)
- {
- HeapTuple tuple,
- tmp_tuple;
- Relation pg_rel;
- TupleDesc pg_dsc;
- ScanKeyData scankey;
- HeapScanDesc scan;
- Datum datum;
- bool null;
- int32 usesysid;
- const char *user = strVal(lfirst(item));
-
- tuple = SearchSysCacheTuple(SHADOWNAME,
- PointerGetDatum(user),
- 0, 0, 0);
- if (!HeapTupleIsValid(tuple))
- {
- heap_close(pg_shadow_rel, AccessExclusiveLock);
- elog(ERROR, "DROP USER: user \"%s\" does not exist%s", user,
- (length(stmt->users) > 1) ? " (no users removed)" : "");
- }
-
- usesysid = DatumGetInt32(heap_getattr(tuple, Anum_pg_shadow_usesysid, pg_shadow_dsc, &null));
-
- /*-------------------
- * Check if user still owns a database. If so, error out.
- *
- * (It used to be that this function would drop the database automatically.
- * This is not only very dangerous for people that don't read the manual,
- * it doesn't seem to be the behaviour one would expect either.)
- * -- petere 2000/01/14)
- *-------------------*/
- pg_rel = heap_openr(DatabaseRelationName, AccessExclusiveLock);
- pg_dsc = RelationGetDescr(pg_rel);
-
- ScanKeyEntryInitialize(&scankey, 0x0, Anum_pg_database_datdba, F_INT4EQ,
- Int32GetDatum(usesysid));
-
- scan = heap_beginscan(pg_rel, false, SnapshotNow, 1, &scankey);
-
- if (HeapTupleIsValid(tmp_tuple = heap_getnext(scan, 0)))
- {
- datum = heap_getattr(tmp_tuple, Anum_pg_database_datname, pg_dsc, &null);
- heap_close(pg_shadow_rel, AccessExclusiveLock);
- elog(ERROR, "DROP USER: user \"%s\" owns database \"%s\", cannot be removed%s",
- user, nameout(DatumGetName(datum)),
- (length(stmt->users) > 1) ? " (no users removed)" : ""
- );
- }
-
- heap_endscan(scan);
- heap_close(pg_rel, AccessExclusiveLock);
-
- /*
- * Somehow we'd have to check for tables, views, etc. owned by the user
- * as well, but those could be spread out over all sorts of databases
- * which we don't have access to (easily).
- */
-
- /*
- * Remove the user from the pg_shadow table
- */
- heap_delete(pg_shadow_rel, &tuple->t_self, NULL);
-
- /*
- * Remove user from groups
- *
- * try calling alter group drop user for every group
- */
- pg_rel = heap_openr(GroupRelationName, AccessExclusiveLock);
- pg_dsc = RelationGetDescr(pg_rel);
- scan = heap_beginscan(pg_rel, false, SnapshotNow, 0, NULL);
- while (HeapTupleIsValid(tmp_tuple = heap_getnext(scan, 0)))
- {
- AlterGroupStmt ags;
-
- datum = heap_getattr(tmp_tuple, Anum_pg_group_groname, pg_dsc, &null);
-
- ags.name = nameout(DatumGetName(datum)); /* the group name from which to try to drop the user */
- ags.action = -1;
- ags.listUsers = lcons((void*)makeInteger(usesysid), NIL);
- AlterGroup(&ags, "DROP USER");
- }
- heap_endscan(scan);
- heap_close(pg_rel, AccessExclusiveLock);
- }
+ foreach(item, stmt->users)
+ {
+ HeapTuple tuple,
+ tmp_tuple;
+ Relation pg_rel;
+ TupleDesc pg_dsc;
+ ScanKeyData scankey;
+ HeapScanDesc scan;
+ Datum datum;
+ bool null;
+ int32 usesysid;
+ const char *user = strVal(lfirst(item));
+
+ tuple = SearchSysCacheTuple(SHADOWNAME,
+ PointerGetDatum(user),
+ 0, 0, 0);
+ if (!HeapTupleIsValid(tuple))
+ {
+ heap_close(pg_shadow_rel, AccessExclusiveLock);
+ elog(ERROR, "DROP USER: user \"%s\" does not exist%s", user,
+ (length(stmt->users) > 1) ? " (no users removed)" : "");
+ }
+
+ usesysid = DatumGetInt32(heap_getattr(tuple, Anum_pg_shadow_usesysid, pg_shadow_dsc, &null));
+
+ /*-------------------
+ * Check if user still owns a database. If so, error out.
+ *
+ * (It used to be that this function would drop the database automatically.
+ * This is not only very dangerous for people that don't read the manual,
+ * it doesn't seem to be the behaviour one would expect either.)
+ * -- petere 2000/01/14)
+ *-------------------*/
+ pg_rel = heap_openr(DatabaseRelationName, AccessExclusiveLock);
+ pg_dsc = RelationGetDescr(pg_rel);
+
+ ScanKeyEntryInitialize(&scankey, 0x0, Anum_pg_database_datdba, F_INT4EQ,
+ Int32GetDatum(usesysid));
+
+ scan = heap_beginscan(pg_rel, false, SnapshotNow, 1, &scankey);
+
+ if (HeapTupleIsValid(tmp_tuple = heap_getnext(scan, 0)))
+ {
+ datum = heap_getattr(tmp_tuple, Anum_pg_database_datname, pg_dsc, &null);
+ heap_close(pg_shadow_rel, AccessExclusiveLock);
+ elog(ERROR, "DROP USER: user \"%s\" owns database \"%s\", cannot be removed%s",
+ user, nameout(DatumGetName(datum)),
+ (length(stmt->users) > 1) ? " (no users removed)" : ""
+ );
+ }
+
+ heap_endscan(scan);
+ heap_close(pg_rel, AccessExclusiveLock);
+
+ /*
+ * Somehow we'd have to check for tables, views, etc. owned by the
+ * user as well, but those could be spread out over all sorts of
+ * databases which we don't have access to (easily).
+ */
+
+ /*
+ * Remove the user from the pg_shadow table
+ */
+ heap_delete(pg_shadow_rel, &tuple->t_self, NULL);
+
+ /*
+ * Remove user from groups
+ *
+ * try calling alter group drop user for every group
+ */
+ pg_rel = heap_openr(GroupRelationName, AccessExclusiveLock);
+ pg_dsc = RelationGetDescr(pg_rel);
+ scan = heap_beginscan(pg_rel, false, SnapshotNow, 0, NULL);
+ while (HeapTupleIsValid(tmp_tuple = heap_getnext(scan, 0)))
+ {
+ AlterGroupStmt ags;
+
+ datum = heap_getattr(tmp_tuple, Anum_pg_group_groname, pg_dsc, &null);
+
+ ags.name = nameout(DatumGetName(datum)); /* the group name from
+ * which to try to drop
+ * the user */
+ ags.action = -1;
+ ags.listUsers = lcons((void *) makeInteger(usesysid), NIL);
+ AlterGroup(&ags, "DROP USER");
+ }
+ heap_endscan(scan);
+ heap_close(pg_rel, AccessExclusiveLock);
+ }
/*
* Write the updated pg_shadow data to the flat password file.
*/
- write_password_file(pg_shadow_rel);
+ write_password_file(pg_shadow_rel);
- /*
- * Now we can clean up.
- */
- heap_close(pg_shadow_rel, AccessExclusiveLock);
+ /*
+ * Now we can clean up.
+ */
+ heap_close(pg_shadow_rel, AccessExclusiveLock);
}
0, 0, 0);
if (!HeapTupleIsValid(htup))
{
- /* BIG problem */
+ /* BIG problem */
elog(ERROR, "IsPgUserAclNull: \"%s\" not found",
ShadowRelationName);
}
if (heap_attisnull(htup, Anum_pg_class_relacl))
{
elog(ERROR,
- "To use passwords, you have to revoke permissions on %s "
- "so normal users cannot read the passwords. "
- "Try 'REVOKE ALL ON \"%s\" FROM PUBLIC'.",
- ShadowRelationName, ShadowRelationName);
+ "To use passwords, you have to revoke permissions on %s "
+ "so normal users cannot read the passwords. "
+ "Try 'REVOKE ALL ON \"%s\" FROM PUBLIC'.",
+ ShadowRelationName, ShadowRelationName);
}
return;
Relation pg_group_rel;
HeapScanDesc scan;
HeapTuple tuple;
- TupleDesc pg_group_dsc;
- bool group_exists = false,
- sysid_exists = false;
- int max_id = 0;
- Datum new_record[Natts_pg_group];
- char new_record_nulls[Natts_pg_group];
- List *item, *newlist=NULL;
- ArrayType *userarray;
+ TupleDesc pg_group_dsc;
+ bool group_exists = false,
+ sysid_exists = false;
+ int max_id = 0;
+ Datum new_record[Natts_pg_group];
+ char new_record_nulls[Natts_pg_group];
+ List *item,
+ *newlist = NULL;
+ ArrayType *userarray;
/*
* Make sure the user can do this.
if (!superuser())
elog(ERROR, "CREATE GROUP: permission denied");
- /*
- * There is not real reason for this, but it makes it consistent
- * with create user, and it seems like a good idea anyway.
- */
+ /*
+ * There is not real reason for this, but it makes it consistent with
+ * create user, and it seems like a good idea anyway.
+ */
if (IsTransactionBlock())
- elog(ERROR, "CREATE GROUP: may not be called in a transaction block");
+ elog(ERROR, "CREATE GROUP: may not be called in a transaction block");
pg_group_rel = heap_openr(GroupRelationName, AccessExclusiveLock);
scan = heap_beginscan(pg_group_rel, false, SnapshotNow, 0, NULL);
while (!group_exists && !sysid_exists && HeapTupleIsValid(tuple = heap_getnext(scan, false)))
{
- Datum datum;
- bool null;
+ Datum datum;
+ bool null;
datum = heap_getattr(tuple, Anum_pg_group_groname, pg_group_dsc, &null);
group_exists = datum && !null && (strcmp((char *) datum, stmt->name) == 0);
datum = heap_getattr(tuple, Anum_pg_group_grosysid, pg_group_dsc, &null);
- if (stmt->sysid >= 0) /* customized id wanted */
- sysid_exists = datum && !null && ((int)datum == stmt->sysid);
- else /* pick 1 + max */
- {
- if ((int) datum > max_id)
- max_id = (int) datum;
- }
+ if (stmt->sysid >= 0) /* customized id wanted */
+ sysid_exists = datum && !null && ((int) datum == stmt->sysid);
+ else
+/* pick 1 + max */
+ {
+ if ((int) datum > max_id)
+ max_id = (int) datum;
+ }
}
heap_endscan(scan);
if (group_exists || sysid_exists)
{
heap_close(pg_group_rel, AccessExclusiveLock);
- if (group_exists)
- elog(ERROR, "CREATE GROUP: group name \"%s\" already exists", stmt->name);
- else
- elog(ERROR, "CREATE GROUP: group sysid %d is already assigned", stmt->sysid);
+ if (group_exists)
+ elog(ERROR, "CREATE GROUP: group name \"%s\" already exists", stmt->name);
+ else
+ elog(ERROR, "CREATE GROUP: group sysid %d is already assigned", stmt->sysid);
}
- /*
- * Translate the given user names to ids
- */
-
- foreach(item, stmt->initUsers)
- {
- const char * groupuser = strVal(lfirst(item));
- Value *v;
-
- tuple = SearchSysCacheTuple(SHADOWNAME,
- PointerGetDatum(groupuser),
- 0, 0, 0);
- if (!HeapTupleIsValid(tuple))
- {
- heap_close(pg_group_rel, AccessExclusiveLock);
- elog(ERROR, "CREATE GROUP: user \"%s\" does not exist", groupuser);
- }
-
- v = makeInteger(((Form_pg_shadow) GETSTRUCT(tuple))->usesysid);
- if (!member(v, newlist))
- newlist = lcons(v, newlist);
- }
-
- /* build an array to insert */
- if (newlist)
- {
- int i;
-
- userarray = palloc(ARR_OVERHEAD(1) + length(newlist) * sizeof(int32));
- ARR_SIZE(userarray) = ARR_OVERHEAD(1) + length(newlist) * sizeof(int32);
- ARR_FLAGS(userarray) = 0x0;
- ARR_NDIM(userarray) = 1; /* one dimensional array */
- ARR_LBOUND(userarray)[0] = 1; /* axis starts at one */
- ARR_DIMS(userarray)[0] = length(newlist); /* axis is this long */
- /* fill the array */
- i = 0;
- foreach(item, newlist)
- {
- ((int*)ARR_DATA_PTR(userarray))[i++] = intVal(lfirst(item));
- }
- }
- else
- userarray = NULL;
-
- /*
- * Form a tuple to insert
- */
- if (stmt->sysid >=0)
- max_id = stmt->sysid;
- else
- max_id++;
-
- new_record[Anum_pg_group_groname-1] = (Datum)(stmt->name);
- new_record[Anum_pg_group_grosysid-1] = (Datum)(max_id);
- new_record[Anum_pg_group_grolist-1] = (Datum)userarray;
-
- new_record_nulls[Anum_pg_group_groname-1] = ' ';
- new_record_nulls[Anum_pg_group_grosysid-1] = ' ';
- new_record_nulls[Anum_pg_group_grolist-1] = userarray ? ' ' : 'n';
-
- tuple = heap_formtuple(pg_group_dsc, new_record, new_record_nulls);
-
- /*
- * Insert a new record in the pg_group_table
- */
- heap_insert(pg_group_rel, tuple);
-
- /*
- * Update indexes
- */
- if (RelationGetForm(pg_group_rel)->relhasindex) {
- Relation idescs[Num_pg_group_indices];
-
- CatalogOpenIndices(Num_pg_group_indices,
- Name_pg_group_indices, idescs);
- CatalogIndexInsert(idescs, Num_pg_group_indices, pg_group_rel,
- tuple);
- CatalogCloseIndices(Num_pg_group_indices, idescs);
- }
+ /*
+ * Translate the given user names to ids
+ */
+
+ foreach(item, stmt->initUsers)
+ {
+ const char *groupuser = strVal(lfirst(item));
+ Value *v;
+
+ tuple = SearchSysCacheTuple(SHADOWNAME,
+ PointerGetDatum(groupuser),
+ 0, 0, 0);
+ if (!HeapTupleIsValid(tuple))
+ {
+ heap_close(pg_group_rel, AccessExclusiveLock);
+ elog(ERROR, "CREATE GROUP: user \"%s\" does not exist", groupuser);
+ }
+
+ v = makeInteger(((Form_pg_shadow) GETSTRUCT(tuple))->usesysid);
+ if (!member(v, newlist))
+ newlist = lcons(v, newlist);
+ }
+
+ /* build an array to insert */
+ if (newlist)
+ {
+ int i;
+
+ userarray = palloc(ARR_OVERHEAD(1) + length(newlist) * sizeof(int32));
+ ARR_SIZE(userarray) = ARR_OVERHEAD(1) + length(newlist) * sizeof(int32);
+ ARR_FLAGS(userarray) = 0x0;
+ ARR_NDIM(userarray) = 1;/* one dimensional array */
+ ARR_LBOUND(userarray)[0] = 1; /* axis starts at one */
+ ARR_DIMS(userarray)[0] = length(newlist); /* axis is this long */
+ /* fill the array */
+ i = 0;
+ foreach(item, newlist)
+ ((int *) ARR_DATA_PTR(userarray))[i++] = intVal(lfirst(item));
+ }
+ else
+ userarray = NULL;
+
+ /*
+ * Form a tuple to insert
+ */
+ if (stmt->sysid >= 0)
+ max_id = stmt->sysid;
+ else
+ max_id++;
+
+ new_record[Anum_pg_group_groname - 1] = (Datum) (stmt->name);
+ new_record[Anum_pg_group_grosysid - 1] = (Datum) (max_id);
+ new_record[Anum_pg_group_grolist - 1] = (Datum) userarray;
+
+ new_record_nulls[Anum_pg_group_groname - 1] = ' ';
+ new_record_nulls[Anum_pg_group_grosysid - 1] = ' ';
+ new_record_nulls[Anum_pg_group_grolist - 1] = userarray ? ' ' : 'n';
+
+ tuple = heap_formtuple(pg_group_dsc, new_record, new_record_nulls);
+
+ /*
+ * Insert a new record in the pg_group_table
+ */
+ heap_insert(pg_group_rel, tuple);
+
+ /*
+ * Update indexes
+ */
+ if (RelationGetForm(pg_group_rel)->relhasindex)
+ {
+ Relation idescs[Num_pg_group_indices];
+
+ CatalogOpenIndices(Num_pg_group_indices,
+ Name_pg_group_indices, idescs);
+ CatalogIndexInsert(idescs, Num_pg_group_indices, pg_group_rel,
+ tuple);
+ CatalogCloseIndices(Num_pg_group_indices, idescs);
+ }
heap_close(pg_group_rel, AccessExclusiveLock);
}
* ALTER GROUP
*/
void
-AlterGroup(AlterGroupStmt *stmt, const char * tag)
+AlterGroup(AlterGroupStmt *stmt, const char *tag)
{
Relation pg_group_rel;
- TupleDesc pg_group_dsc;
- HeapTuple group_tuple;
+ TupleDesc pg_group_dsc;
+ HeapTuple group_tuple;
- /*
+ /*
* Make sure the user can do this.
*/
if (!superuser())
elog(ERROR, "%s: permission denied", tag);
- /*
- * There is not real reason for this, but it makes it consistent
- * with alter user, and it seems like a good idea anyway.
- */
+ /*
+ * There is not real reason for this, but it makes it consistent with
+ * alter user, and it seems like a good idea anyway.
+ */
if (IsTransactionBlock())
- elog(ERROR, "%s: may not be called in a transaction block", tag);
+ elog(ERROR, "%s: may not be called in a transaction block", tag);
- pg_group_rel = heap_openr(GroupRelationName, AccessExclusiveLock);
- pg_group_dsc = RelationGetDescr(pg_group_rel);
+ pg_group_rel = heap_openr(GroupRelationName, AccessExclusiveLock);
+ pg_group_dsc = RelationGetDescr(pg_group_rel);
- /*
- * Verify that group exists.
- * If we find a tuple, will take that the rest of the way and make our
- * modifications on it.
- */
- if (!HeapTupleIsValid(group_tuple = SearchSysCacheTupleCopy(GRONAME, PointerGetDatum(stmt->name), 0, 0, 0)))
+ /*
+ * Verify that group exists. If we find a tuple, will take that the
+ * rest of the way and make our modifications on it.
+ */
+ if (!HeapTupleIsValid(group_tuple = SearchSysCacheTupleCopy(GRONAME, PointerGetDatum(stmt->name), 0, 0, 0)))
{
- heap_close(pg_group_rel, AccessExclusiveLock);
+ heap_close(pg_group_rel, AccessExclusiveLock);
elog(ERROR, "%s: group \"%s\" does not exist", tag, stmt->name);
}
- AssertState(stmt->action == +1 || stmt->action == -1);
- /*
- * Now decide what to do.
- */
- if (stmt->action == +1) /* add users, might also be invoked by create user */
- {
- Datum new_record[Natts_pg_group];
- char new_record_nulls[Natts_pg_group] = { ' ', ' ', ' '};
- ArrayType *newarray, *oldarray;
- List * newlist = NULL, *item;
- HeapTuple tuple;
- bool null = false;
- Datum datum = heap_getattr(group_tuple, Anum_pg_group_grolist, pg_group_dsc, &null);
- int i;
-
- oldarray = (ArrayType*)datum;
- Assert(null || ARR_NDIM(oldarray) == 1);
- /* first add the old array to the hitherto empty list */
- if (!null)
- for (i = ARR_LBOUND(oldarray)[0]; i < ARR_LBOUND(oldarray)[0] + ARR_DIMS(oldarray)[0]; i++)
- {
- int index, arrval;
- Value *v;
- bool valueNull;
- index = i;
- arrval = DatumGetInt32(array_ref(oldarray, 1, &index, true/*by value*/,
- sizeof(int), 0, &valueNull));
- v = makeInteger(arrval);
- /* filter out duplicates */
- if (!member(v, newlist))
- newlist = lcons(v, newlist);
- }
-
- /*
- * now convert the to be added usernames to sysids and add them
- * to the list
- */
- foreach(item, stmt->listUsers)
- {
- Value *v;
-
- if (strcmp(tag, "ALTER GROUP")==0)
- {
- /* Get the uid of the proposed user to add. */
- tuple = SearchSysCacheTuple(SHADOWNAME,
- PointerGetDatum(strVal(lfirst(item))),
- 0, 0, 0);
- if (!HeapTupleIsValid(tuple))
- {
- heap_close(pg_group_rel, AccessExclusiveLock);
- elog(ERROR, "%s: user \"%s\" does not exist", tag, strVal(lfirst(item)));
- }
- v = makeInteger(((Form_pg_shadow) GETSTRUCT(tuple))->usesysid);
- }
- else if (strcmp(tag, "CREATE USER")==0)
- {
- /* in this case we already know the uid and it wouldn't
- be in the cache anyway yet */
- v = lfirst(item);
- }
- else
+ AssertState(stmt->action == +1 || stmt->action == -1);
+
+ /*
+ * Now decide what to do.
+ */
+ if (stmt->action == +1) /* add users, might also be invoked by
+ * create user */
+ {
+ Datum new_record[Natts_pg_group];
+ char new_record_nulls[Natts_pg_group] = {' ', ' ', ' '};
+ ArrayType *newarray,
+ *oldarray;
+ List *newlist = NULL,
+ *item;
+ HeapTuple tuple;
+ bool null = false;
+ Datum datum = heap_getattr(group_tuple, Anum_pg_group_grolist, pg_group_dsc, &null);
+ int i;
+
+ oldarray = (ArrayType *) datum;
+ Assert(null || ARR_NDIM(oldarray) == 1);
+ /* first add the old array to the hitherto empty list */
+ if (!null)
+ for (i = ARR_LBOUND(oldarray)[0]; i < ARR_LBOUND(oldarray)[0] + ARR_DIMS(oldarray)[0]; i++)
+ {
+ int index,
+ arrval;
+ Value *v;
+ bool valueNull;
+
+ index = i;
+ arrval = DatumGetInt32(array_ref(oldarray, 1, &index, true /* by value */ ,
+ sizeof(int), 0, &valueNull));
+ v = makeInteger(arrval);
+ /* filter out duplicates */
+ if (!member(v, newlist))
+ newlist = lcons(v, newlist);
+ }
+
+ /*
+ * now convert the to be added usernames to sysids and add them to
+ * the list
+ */
+ foreach(item, stmt->listUsers)
+ {
+ Value *v;
+
+ if (strcmp(tag, "ALTER GROUP") == 0)
+ {
+ /* Get the uid of the proposed user to add. */
+ tuple = SearchSysCacheTuple(SHADOWNAME,
+ PointerGetDatum(strVal(lfirst(item))),
+ 0, 0, 0);
+ if (!HeapTupleIsValid(tuple))
+ {
+ heap_close(pg_group_rel, AccessExclusiveLock);
+ elog(ERROR, "%s: user \"%s\" does not exist", tag, strVal(lfirst(item)));
+ }
+ v = makeInteger(((Form_pg_shadow) GETSTRUCT(tuple))->usesysid);
+ }
+ else if (strcmp(tag, "CREATE USER") == 0)
{
- elog(ERROR, "AlterGroup: unknown tag %s", tag);
+
+ /*
+ * in this case we already know the uid and it wouldn't be
+ * in the cache anyway yet
+ */
+ v = lfirst(item);
+ }
+ else
+ {
+ elog(ERROR, "AlterGroup: unknown tag %s", tag);
v = NULL; /* keep compiler quiet */
}
- if (!member(v, newlist))
- newlist = lcons(v, newlist);
- else
- /* we silently assume here that this error will only come up
- in a ALTER GROUP statement */
- elog(NOTICE, "%s: user \"%s\" is already in group \"%s\"", tag, strVal(lfirst(item)), stmt->name);
- }
-
- newarray = palloc(ARR_OVERHEAD(1) + length(newlist) * sizeof(int32));
- ARR_SIZE(newarray) = ARR_OVERHEAD(1) + length(newlist) * sizeof(int32);
- ARR_FLAGS(newarray) = 0x0;
- ARR_NDIM(newarray) = 1; /* one dimensional array */
- ARR_LBOUND(newarray)[0] = 1; /* axis starts at one */
- ARR_DIMS(newarray)[0] = length(newlist); /* axis is this long */
- /* fill the array */
- i = 0;
- foreach(item, newlist)
- {
- ((int*)ARR_DATA_PTR(newarray))[i++] = intVal(lfirst(item));
- }
-
- /*
- * Form a tuple with the new array and write it back.
- */
- new_record[Anum_pg_group_groname-1] = (Datum)(stmt->name);
- new_record[Anum_pg_group_grosysid-1] = heap_getattr(group_tuple, Anum_pg_group_grosysid, pg_group_dsc, &null);
- new_record[Anum_pg_group_grolist-1] = PointerGetDatum(newarray);
-
- tuple = heap_formtuple(pg_group_dsc, new_record, new_record_nulls);
- heap_update(pg_group_rel, &group_tuple->t_self, tuple, NULL);
-
- /* Update indexes */
- if (RelationGetForm(pg_group_rel)->relhasindex) {
- Relation idescs[Num_pg_group_indices];
-
- CatalogOpenIndices(Num_pg_group_indices,
- Name_pg_group_indices, idescs);
- CatalogIndexInsert(idescs, Num_pg_group_indices, pg_group_rel,
- tuple);
- CatalogCloseIndices(Num_pg_group_indices, idescs);
- }
- } /* endif alter group add user */
-
- else if (stmt->action == -1) /*drop users from group */
- {
- Datum datum;
- bool null;
- bool is_dropuser = strcmp(tag, "DROP USER")==0;
-
- datum = heap_getattr(group_tuple, Anum_pg_group_grolist, pg_group_dsc, &null);
- if (null)
- {
- if (!is_dropuser)
- elog(NOTICE, "ALTER GROUP: group \"%s\" does not have any members", stmt->name);
- }
- else
- {
- HeapTuple tuple;
- Datum new_record[Natts_pg_group];
- char new_record_nulls[Natts_pg_group] = { ' ', ' ', ' '};
- ArrayType *oldarray, *newarray;
- List * newlist = NULL, *item;
- int i;
-
- oldarray = (ArrayType*)datum;
- Assert(ARR_NDIM(oldarray) == 1);
- /* first add the old array to the hitherto empty list */
- for (i = ARR_LBOUND(oldarray)[0]; i < ARR_LBOUND(oldarray)[0] + ARR_DIMS(oldarray)[0]; i++)
- {
- int index, arrval;
- Value *v;
- bool valueNull;
- index = i;
- arrval = DatumGetInt32(array_ref(oldarray, 1, &index, true/*by value*/,
- sizeof(int), 0, &valueNull));
- v = makeInteger(arrval);
- /* filter out duplicates */
- if (!member(v, newlist))
- newlist = lcons(v, newlist);
- }
-
- /*
- * now convert the to be dropped usernames to sysids and remove
- * them from the list
- */
- foreach(item, stmt->listUsers)
- {
- Value *v;
- if (!is_dropuser)
- {
- /* Get the uid of the proposed user to drop. */
- tuple = SearchSysCacheTuple(SHADOWNAME,
- PointerGetDatum(strVal(lfirst(item))),
- 0, 0, 0);
- if (!HeapTupleIsValid(tuple))
- {
- heap_close(pg_group_rel, AccessExclusiveLock);
- elog(ERROR, "ALTER GROUP: user \"%s\" does not exist", strVal(lfirst(item)));
- }
- v = makeInteger(((Form_pg_shadow) GETSTRUCT(tuple))->usesysid);
- }
- else
- {
- /* for dropuser we already know the uid */
- v = lfirst(item);
- }
- if (member(v, newlist))
- newlist = LispRemove(v, newlist);
- else if (!is_dropuser)
- elog(NOTICE, "ALTER GROUP: user \"%s\" is not in group \"%s\"", strVal(lfirst(item)), stmt->name);
- }
-
- newarray = palloc(ARR_OVERHEAD(1) + length(newlist) * sizeof(int32));
- ARR_SIZE(newarray) = ARR_OVERHEAD(1) + length(newlist) * sizeof(int32);
- ARR_FLAGS(newarray) = 0x0;
- ARR_NDIM(newarray) = 1; /* one dimensional array */
- ARR_LBOUND(newarray)[0] = 1; /* axis starts at one */
- ARR_DIMS(newarray)[0] = length(newlist); /* axis is this long */
- /* fill the array */
- i = 0;
- foreach(item, newlist)
- {
- ((int*)ARR_DATA_PTR(newarray))[i++] = intVal(lfirst(item));
- }
-
- /*
- * Insert the new tuple with the updated user list
- */
- new_record[Anum_pg_group_groname-1] = (Datum)(stmt->name);
- new_record[Anum_pg_group_grosysid-1] = heap_getattr(group_tuple, Anum_pg_group_grosysid, pg_group_dsc, &null);
- new_record[Anum_pg_group_grolist-1] = PointerGetDatum(newarray);
-
- tuple = heap_formtuple(pg_group_dsc, new_record, new_record_nulls);
- heap_update(pg_group_rel, &group_tuple->t_self, tuple, NULL);
-
- /* Update indexes */
- if (RelationGetForm(pg_group_rel)->relhasindex) {
- Relation idescs[Num_pg_group_indices];
-
- CatalogOpenIndices(Num_pg_group_indices,
- Name_pg_group_indices, idescs);
- CatalogIndexInsert(idescs, Num_pg_group_indices, pg_group_rel,
- tuple);
- CatalogCloseIndices(Num_pg_group_indices, idescs);
- }
-
- } /* endif group not null */
- } /* endif alter group drop user */
-
- heap_close(pg_group_rel, AccessExclusiveLock);
-
- pfree(group_tuple);
+ if (!member(v, newlist))
+ newlist = lcons(v, newlist);
+ else
+
+ /*
+ * we silently assume here that this error will only come
+ * up in a ALTER GROUP statement
+ */
+ elog(NOTICE, "%s: user \"%s\" is already in group \"%s\"", tag, strVal(lfirst(item)), stmt->name);
+ }
+
+ newarray = palloc(ARR_OVERHEAD(1) + length(newlist) * sizeof(int32));
+ ARR_SIZE(newarray) = ARR_OVERHEAD(1) + length(newlist) * sizeof(int32);
+ ARR_FLAGS(newarray) = 0x0;
+ ARR_NDIM(newarray) = 1; /* one dimensional array */
+ ARR_LBOUND(newarray)[0] = 1; /* axis starts at one */
+ ARR_DIMS(newarray)[0] = length(newlist); /* axis is this long */
+ /* fill the array */
+ i = 0;
+ foreach(item, newlist)
+ ((int *) ARR_DATA_PTR(newarray))[i++] = intVal(lfirst(item));
+
+ /*
+ * Form a tuple with the new array and write it back.
+ */
+ new_record[Anum_pg_group_groname - 1] = (Datum) (stmt->name);
+ new_record[Anum_pg_group_grosysid - 1] = heap_getattr(group_tuple, Anum_pg_group_grosysid, pg_group_dsc, &null);
+ new_record[Anum_pg_group_grolist - 1] = PointerGetDatum(newarray);
+
+ tuple = heap_formtuple(pg_group_dsc, new_record, new_record_nulls);
+ heap_update(pg_group_rel, &group_tuple->t_self, tuple, NULL);
+
+ /* Update indexes */
+ if (RelationGetForm(pg_group_rel)->relhasindex)
+ {
+ Relation idescs[Num_pg_group_indices];
+
+ CatalogOpenIndices(Num_pg_group_indices,
+ Name_pg_group_indices, idescs);
+ CatalogIndexInsert(idescs, Num_pg_group_indices, pg_group_rel,
+ tuple);
+ CatalogCloseIndices(Num_pg_group_indices, idescs);
+ }
+ } /* endif alter group add user */
+
+ else if (stmt->action == -1)/* drop users from group */
+ {
+ Datum datum;
+ bool null;
+ bool is_dropuser = strcmp(tag, "DROP USER") == 0;
+
+ datum = heap_getattr(group_tuple, Anum_pg_group_grolist, pg_group_dsc, &null);
+ if (null)
+ {
+ if (!is_dropuser)
+ elog(NOTICE, "ALTER GROUP: group \"%s\" does not have any members", stmt->name);
+ }
+ else
+ {
+ HeapTuple tuple;
+ Datum new_record[Natts_pg_group];
+ char new_record_nulls[Natts_pg_group] = {' ', ' ', ' '};
+ ArrayType *oldarray,
+ *newarray;
+ List *newlist = NULL,
+ *item;
+ int i;
+
+ oldarray = (ArrayType *) datum;
+ Assert(ARR_NDIM(oldarray) == 1);
+ /* first add the old array to the hitherto empty list */
+ for (i = ARR_LBOUND(oldarray)[0]; i < ARR_LBOUND(oldarray)[0] + ARR_DIMS(oldarray)[0]; i++)
+ {
+ int index,
+ arrval;
+ Value *v;
+ bool valueNull;
+
+ index = i;
+ arrval = DatumGetInt32(array_ref(oldarray, 1, &index, true /* by value */ ,
+ sizeof(int), 0, &valueNull));
+ v = makeInteger(arrval);
+ /* filter out duplicates */
+ if (!member(v, newlist))
+ newlist = lcons(v, newlist);
+ }
+
+ /*
+ * now convert the to be dropped usernames to sysids and
+ * remove them from the list
+ */
+ foreach(item, stmt->listUsers)
+ {
+ Value *v;
+
+ if (!is_dropuser)
+ {
+ /* Get the uid of the proposed user to drop. */
+ tuple = SearchSysCacheTuple(SHADOWNAME,
+ PointerGetDatum(strVal(lfirst(item))),
+ 0, 0, 0);
+ if (!HeapTupleIsValid(tuple))
+ {
+ heap_close(pg_group_rel, AccessExclusiveLock);
+ elog(ERROR, "ALTER GROUP: user \"%s\" does not exist", strVal(lfirst(item)));
+ }
+ v = makeInteger(((Form_pg_shadow) GETSTRUCT(tuple))->usesysid);
+ }
+ else
+ {
+ /* for dropuser we already know the uid */
+ v = lfirst(item);
+ }
+ if (member(v, newlist))
+ newlist = LispRemove(v, newlist);
+ else if (!is_dropuser)
+ elog(NOTICE, "ALTER GROUP: user \"%s\" is not in group \"%s\"", strVal(lfirst(item)), stmt->name);
+ }
+
+ newarray = palloc(ARR_OVERHEAD(1) + length(newlist) * sizeof(int32));
+ ARR_SIZE(newarray) = ARR_OVERHEAD(1) + length(newlist) * sizeof(int32);
+ ARR_FLAGS(newarray) = 0x0;
+ ARR_NDIM(newarray) = 1; /* one dimensional array */
+ ARR_LBOUND(newarray)[0] = 1; /* axis starts at one */
+ ARR_DIMS(newarray)[0] = length(newlist); /* axis is this long */
+ /* fill the array */
+ i = 0;
+ foreach(item, newlist)
+ ((int *) ARR_DATA_PTR(newarray))[i++] = intVal(lfirst(item));
+
+ /*
+ * Insert the new tuple with the updated user list
+ */
+ new_record[Anum_pg_group_groname - 1] = (Datum) (stmt->name);
+ new_record[Anum_pg_group_grosysid - 1] = heap_getattr(group_tuple, Anum_pg_group_grosysid, pg_group_dsc, &null);
+ new_record[Anum_pg_group_grolist - 1] = PointerGetDatum(newarray);
+
+ tuple = heap_formtuple(pg_group_dsc, new_record, new_record_nulls);
+ heap_update(pg_group_rel, &group_tuple->t_self, tuple, NULL);
+
+ /* Update indexes */
+ if (RelationGetForm(pg_group_rel)->relhasindex)
+ {
+ Relation idescs[Num_pg_group_indices];
+
+ CatalogOpenIndices(Num_pg_group_indices,
+ Name_pg_group_indices, idescs);
+ CatalogIndexInsert(idescs, Num_pg_group_indices, pg_group_rel,
+ tuple);
+ CatalogCloseIndices(Num_pg_group_indices, idescs);
+ }
+
+ } /* endif group not null */
+ } /* endif alter group drop user */
+
+ heap_close(pg_group_rel, AccessExclusiveLock);
+
+ pfree(group_tuple);
}
Relation pg_group_rel;
HeapScanDesc scan;
HeapTuple tuple;
- TupleDesc pg_group_dsc;
- bool gro_exists = false;
+ TupleDesc pg_group_dsc;
+ bool gro_exists = false;
- /*
+ /*
* Make sure the user can do this.
*/
if (!superuser())
elog(ERROR, "DROP GROUP: permission denied");
- /*
- * There is not real reason for this, but it makes it consistent
- * with drop user, and it seems like a good idea anyway.
- */
+ /*
+ * There is not real reason for this, but it makes it consistent with
+ * drop user, and it seems like a good idea anyway.
+ */
if (IsTransactionBlock())
- elog(ERROR, "DROP GROUP: may not be called in a transaction block");
+ elog(ERROR, "DROP GROUP: may not be called in a transaction block");
- /*
- * Scan the pg_group table and delete all matching groups.
- */
+ /*
+ * Scan the pg_group table and delete all matching groups.
+ */
pg_group_rel = heap_openr(GroupRelationName, AccessExclusiveLock);
pg_group_dsc = RelationGetDescr(pg_group_rel);
scan = heap_beginscan(pg_group_rel, false, SnapshotNow, 0, NULL);
while (HeapTupleIsValid(tuple = heap_getnext(scan, false)))
{
- Datum datum;
- bool null;
-
- datum = heap_getattr(tuple, Anum_pg_group_groname, pg_group_dsc, &null);
- if (datum && !null && strcmp((char*)datum, stmt->name)==0)
- {
- gro_exists = true;
- heap_delete(pg_group_rel, &tuple->t_self, NULL);
- }
+ Datum datum;
+ bool null;
+
+ datum = heap_getattr(tuple, Anum_pg_group_groname, pg_group_dsc, &null);
+ if (datum && !null && strcmp((char *) datum, stmt->name) == 0)
+ {
+ gro_exists = true;
+ heap_delete(pg_group_rel, &tuple->t_self, NULL);
+ }
}
heap_endscan(scan);
- /*
- * Did we find any?
- */
- if (!gro_exists)
- {
- heap_close(pg_group_rel, AccessExclusiveLock);
+ /*
+ * Did we find any?
+ */
+ if (!gro_exists)
+ {
+ heap_close(pg_group_rel, AccessExclusiveLock);
elog(ERROR, "DROP GROUP: group \"%s\" does not exist", stmt->name);
- }
+ }
heap_close(pg_group_rel, AccessExclusiveLock);
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.146 2000/04/06 18:12:07 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.147 2000/04/12 17:14:59 momjian Exp $
*
*-------------------------------------------------------------------------
*/
/*
* This routines handle a special cross-transaction portal.
- * However it is automatically closed in case of abort.
+ * However it is automatically closed in case of abort.
*/
-void CommonSpecialPortalOpen(void)
+void
+CommonSpecialPortalOpen(void)
{
char *pname;
if (CommonSpecialPortalInUse)
elog(ERROR, "CommonSpecialPortal is in use");
+
/*
* Create a portal for safe memory across transactions. We need to
* palloc the name space for it because our hash function expects the
CommonSpecialPortalInUse = true;
}
-void CommonSpecialPortalClose(void)
+void
+CommonSpecialPortalClose(void)
{
/* Clear flag first, to avoid recursion if PortalDrop elog's */
CommonSpecialPortalInUse = false;
PortalDrop(&vc_portal);
}
-PortalVariableMemory CommonSpecialPortalGetMemory(void)
+PortalVariableMemory
+CommonSpecialPortalGetMemory(void)
{
return PortalGetVariableMemory(vc_portal);
}
-bool CommonSpecialPortalIsOpen(void)
+bool
+CommonSpecialPortalIsOpen(void)
{
return CommonSpecialPortalInUse;
-}
-
+}
+
void
vacuum(char *vacrel, bool verbose, bool analyze, List *va_spec)
{
* Start up the vacuum cleaner.
*
* NOTE: since this commits the current transaction, the memory holding
- * any passed-in parameters gets freed here. We must have already copied
- * pass-by-reference parameters to safe storage. Don't make me fix this
- * again!
+ * any passed-in parameters gets freed here. We must have already
+ * copied pass-by-reference parameters to safe storage. Don't make me
+ * fix this again!
*/
vc_init();
if (NameStr(*VacRelP))
{
+
/*
* we could use the cache here, but it is clearer to use scankeys
* for both vacuum cases, bjm 2000/01/19
*/
- char *nontemp_relname;
+ char *nontemp_relname;
/* We must re-map temp table names bjm 2000-04-06 */
if ((nontemp_relname =
int32 nindices,
i;
VRelStats *vacrelstats;
- bool reindex = false;
+ bool reindex = false;
StartTransactionCommand();
vc_scanheap(VRelStats *vacrelstats, Relation onerel,
VPageList vacuum_pages, VPageList fraged_pages)
{
- BlockNumber nblocks,
+ BlockNumber nblocks,
blkno;
ItemId itemid;
Buffer buf;
last_vacuum_block = -1;
}
if (num_fraged_pages > 0 &&
- fraged_pages->vpl_pagedesc[num_fraged_pages - 1]->vpd_blkno ==
+ fraged_pages->vpl_pagedesc[num_fraged_pages - 1]->vpd_blkno ==
(BlockNumber) blkno)
{
/* page is in fraged_pages too; remove it */
* we stop shrinking here. I could try to find
* real parent row but want not to do it because
* of real solution will be implemented anyway,
- * latter, and we are too close to 6.5 release.
- * - vadim 06/11/99
+ * latter, and we are too close to 6.5 release. -
+ * vadim 06/11/99
*/
if (Ptp.t_data->t_xmax != tp.t_data->t_xmin)
{
* to get t_infomask of inserted heap tuple !!!
*/
ToPage = BufferGetPage(cur_buffer);
+
/*
* If this page was not used before - clean it.
*
* This path is different from the other callers of
* vc_vacpage, because we have already incremented the
* vpd's vpd_offsets_used field to account for the
- * tuple(s) we expect to move onto the page. Therefore
- * vc_vacpage's check for vpd_offsets_used == 0 is wrong.
- * But since that's a good debugging check for all other
- * callers, we work around it here rather than remove it.
+ * tuple(s) we expect to move onto the page. Therefore
+ * vc_vacpage's check for vpd_offsets_used == 0 is
+ * wrong. But since that's a good debugging check for
+ * all other callers, we work around it here rather
+ * than remove it.
*/
if (!PageIsEmpty(ToPage) && vtmove[ti].cleanVpd)
{
- int sv_offsets_used = destvpd->vpd_offsets_used;
+ int sv_offsets_used = destvpd->vpd_offsets_used;
+
destvpd->vpd_offsets_used = 0;
vc_vacpage(ToPage, destvpd);
destvpd->vpd_offsets_used = sv_offsets_used;
#ifdef _DROP_COLUMN_HACK__
if (COLUMN_IS_DROPPED(stats->attr))
continue;
-#endif /* _DROP_COLUMN_HACK__ */
+#endif /* _DROP_COLUMN_HACK__ */
value = heap_getattr(tuple,
stats->attr->attnum, tupDesc, &isnull);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/commands/variable.c,v 1.33 2000/04/07 13:39:24 thomas Exp $
+ * $Header: /cvsroot/pgsql/src/backend/commands/variable.c,v 1.34 2000/04/12 17:15:00 momjian Exp $
*
*-------------------------------------------------------------------------
*/
if (strcasecmp(tok, "on") == 0)
{
- int new_geqo_rels = GEQO_RELS;
+ int new_geqo_rels = GEQO_RELS;
if (val != NULL)
{
show_effective_cache_size()
{
elog(NOTICE, "EFFECTIVE_CACHE_SIZE is %g (%dK pages)",
- effective_cache_size, BLCKSZ/1024);
+ effective_cache_size, BLCKSZ / 1024);
return TRUE;
}
* DATE_STYLE
*
* NOTE: set_default_datestyle() is called during backend startup to check
- * if the PGDATESTYLE environment variable is set. We want the env var
+ * if the PGDATESTYLE environment variable is set. We want the env var
* to determine the value that "RESET DateStyle" will reset to!
*/
/* These get initialized from the "master" values in init/globals.c */
-static int DefaultDateStyle;
+static int DefaultDateStyle;
static bool DefaultEuroDates;
static bool
{
char *DBDate;
- /* Initialize from compile-time defaults in init/globals.c.
- * NB: this is a necessary step; consider PGDATESTYLE="DEFAULT".
+ /*
+ * Initialize from compile-time defaults in init/globals.c. NB: this
+ * is a necessary step; consider PGDATESTYLE="DEFAULT".
*/
DefaultDateStyle = DateStyle;
DefaultEuroDates = EuroDates;
if (DBDate == NULL)
return;
- /* Make a modifiable copy --- overwriting the env var doesn't seem
+ /*
+ * Make a modifiable copy --- overwriting the env var doesn't seem
* like a good idea, even though we currently won't look at it again.
- * Note that we cannot use palloc at this early stage of initialization.
+ * Note that we cannot use palloc at this early stage of
+ * initialization.
*/
DBDate = strdup(DBDate);
static bool
parse_pg_options(char *value)
{
- if (!superuser()) {
+ if (!superuser())
elog(ERROR, "Only users with superuser privilege can set pg_options");
- }
if (value == NULL)
read_pg_options(0);
else
static bool
reset_pg_options(void)
{
- if (!superuser()) {
+ if (!superuser())
elog(ERROR, "Only users with superuser privilege can set pg_options");
- }
read_pg_options(0);
return (TRUE);
}
static bool
parse_random_seed(char *value)
{
- double seed = 0;
+ double seed = 0;
if (value == NULL)
reset_random_seed();
static bool
reset_random_seed(void)
{
- double seed = 0.5;
+ double seed = 0.5;
setseed(&seed);
return (TRUE);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: execAmi.c,v 1.45 2000/01/26 05:56:21 momjian Exp $
+ * $Id: execAmi.c,v 1.46 2000/04/12 17:15:07 momjian Exp $
*
*-------------------------------------------------------------------------
*/
heap_endscan(scanDesc);
/*
- * endscan released AccessShareLock acquired by beginscan. If we are
- * holding any stronger locks on the rel, they should be held till end of
- * xact. Therefore, we need only close the rel and not release locks.
+ * endscan released AccessShareLock acquired by beginscan. If we are
+ * holding any stronger locks on the rel, they should be held till end
+ * of xact. Therefore, we need only close the rel and not release
+ * locks.
*/
if (relation != NULL)
heap_close(relation, NoLock);
{
switch (nodeTag(node))
{
- case T_SeqScan:
+ case T_SeqScan:
ExecSeqMarkPos((SeqScan *) node);
break;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.112 2000/04/07 07:24:47 vadim Exp $
+ * $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.113 2000/04/12 17:15:08 momjian Exp $
*
*-------------------------------------------------------------------------
*/
/* XXX no points for style */
extern TupleTableSlot *EvalPlanQual(EState *estate, Index rti,
- ItemPointer tid);
+ ItemPointer tid);
/* decls for local routines only used within this module */
static TupleDesc InitPlan(CmdType operation,
static TupleTableSlot *EvalPlanQualNext(EState *estate);
static void EndEvalPlanQual(EState *estate);
static void ExecCheckQueryPerms(CmdType operation, Query *parseTree,
- Plan *plan);
+ Plan *plan);
static void ExecCheckPlanPerms(Plan *plan, CmdType operation,
- int resultRelation, bool resultIsScanned);
+ int resultRelation, bool resultIsScanned);
static void ExecCheckRTPerms(List *rangeTable, CmdType operation,
- int resultRelation, bool resultIsScanned);
+ int resultRelation, bool resultIsScanned);
static void ExecCheckRTEPerms(RangeTblEntry *rte, CmdType operation,
- bool isResultRelation, bool resultIsScanned);
+ bool isResultRelation, bool resultIsScanned);
+
/* end of local decls */
foreach(subp, plan->initPlan)
{
- SubPlan *subplan = (SubPlan *) lfirst(subp);
+ SubPlan *subplan = (SubPlan *) lfirst(subp);
ExecCheckRTPerms(subplan->rtable, CMD_SELECT, 0, false);
ExecCheckPlanPerms(subplan->plan, CMD_SELECT, 0, false);
}
foreach(subp, plan->subPlan)
{
- SubPlan *subplan = (SubPlan *) lfirst(subp);
+ SubPlan *subplan = (SubPlan *) lfirst(subp);
ExecCheckRTPerms(subplan->rtable, CMD_SELECT, 0, false);
ExecCheckPlanPerms(subplan->plan, CMD_SELECT, 0, false);
switch (nodeTag(plan))
{
case T_Append:
- {
- Append *app = (Append *) plan;
- List *appendplans;
-
- if (app->inheritrelid > 0)
{
- /*
- * Append implements expansion of inheritance; all members
- * of inheritrtable list will be plugged into same RTE slot.
- * Therefore, they are either all result relations or none.
- */
- List *rtable;
+ Append *app = (Append *) plan;
+ List *appendplans;
- foreach(rtable, app->inheritrtable)
+ if (app->inheritrelid > 0)
{
- ExecCheckRTEPerms((RangeTblEntry *) lfirst(rtable),
- operation,
- (app->inheritrelid == resultRelation),
- resultIsScanned);
- }
- }
- else
- {
- /* Append implements UNION, which must be a SELECT */
- List *rtables;
- foreach(rtables, app->unionrtables)
+ /*
+ * Append implements expansion of inheritance; all
+ * members of inheritrtable list will be plugged into
+ * same RTE slot. Therefore, they are either all
+ * result relations or none.
+ */
+ List *rtable;
+
+ foreach(rtable, app->inheritrtable)
+ {
+ ExecCheckRTEPerms((RangeTblEntry *) lfirst(rtable),
+ operation,
+ (app->inheritrelid == resultRelation),
+ resultIsScanned);
+ }
+ }
+ else
{
- ExecCheckRTPerms((List *) lfirst(rtables),
- CMD_SELECT, 0, false);
+ /* Append implements UNION, which must be a SELECT */
+ List *rtables;
+
+ foreach(rtables, app->unionrtables)
+ {
+ ExecCheckRTPerms((List *) lfirst(rtables),
+ CMD_SELECT, 0, false);
+ }
}
- }
- /* Check appended plans */
- foreach(appendplans, app->appendplans)
- {
- ExecCheckPlanPerms((Plan *) lfirst(appendplans),
- operation,
- resultRelation,
- resultIsScanned);
+ /* Check appended plans */
+ foreach(appendplans, app->appendplans)
+ {
+ ExecCheckPlanPerms((Plan *) lfirst(appendplans),
+ operation,
+ resultRelation,
+ resultIsScanned);
+ }
+ break;
}
- break;
- }
default:
break;
* Check access permissions for all relations listed in a range table.
*
* If resultRelation is not 0, it is the RT index of the relation to be
- * treated as the result relation. All other relations are assumed to be
+ * treated as the result relation. All other relations are assumed to be
* read-only for the query.
*/
static void
if (rte->skipAcl)
{
+
/*
- * This happens if the access to this table is due to a view
- * query rewriting - the rewrite handler already checked the
- * permissions against the view owner, so we just skip this entry.
+ * This happens if the access to this table is due to a view query
+ * rewriting - the rewrite handler already checked the permissions
+ * against the view owner, so we just skip this entry.
*/
return;
}
default:
elog(ERROR, "ExecCheckRTEPerms: bogus operation %d",
operation);
- aclcheck_result = ACLCHECK_OK; /* keep compiler quiet */
+ aclcheck_result = ACLCHECK_OK; /* keep compiler quiet */
break;
}
}
else
- {
aclcheck_result = CHECK(ACL_RD);
- }
if (aclcheck_result != ACLCHECK_OK)
elog(ERROR, "%s: %s",
/*
* If there are indices on the result relation, open them and save
* descriptors in the result relation info, so that we can add new
- * index entries for the tuples we add/update. We need not do this
- * for a DELETE, however, since deletion doesn't affect indexes.
+ * index entries for the tuples we add/update. We need not do
+ * this for a DELETE, however, since deletion doesn't affect
+ * indexes.
*/
if (resultRelationDesc->rd_rel->relhasindex &&
operation != CMD_DELETE)
targetList = plan->targetlist;
/*
- * Now that we have the target list, initialize the junk filter if needed.
- * SELECT and INSERT queries need a filter if there are any junk attrs
- * in the tlist. UPDATE and DELETE always need one, since there's always
- * a junk 'ctid' attribute present --- no need to look first.
+ * Now that we have the target list, initialize the junk filter if
+ * needed. SELECT and INSERT queries need a filter if there are any
+ * junk attrs in the tlist. UPDATE and DELETE always need one, since
+ * there's always a junk 'ctid' attribute present --- no need to look
+ * first.
*/
{
bool junk_filter_needed = false;
}
/*
- * close the result relations if necessary,
- * but hold locks on them until xact commit
+ * close the result relations if necessary, but hold locks on them
+ * until xact commit
*/
if (resultRelationInfo != NULL)
{
/*
* NOTE: SQL92 specifies that a NULL result from a constraint
- * expression is not to be treated as a failure. Therefore,
- * tell ExecQual to return TRUE for NULL.
+ * expression is not to be treated as a failure. Therefore, tell
+ * ExecQual to return TRUE for NULL.
*/
- if (! ExecQual(qual, econtext, true))
+ if (!ExecQual(qual, econtext, true))
return check[i].ccname;
}
{
if (rel->rd_att->attrs[attrChk - 1]->attnotnull && heap_attisnull(tuple, attrChk))
elog(ERROR, "%s: Fail to add null value in not null attribute %s",
- caller, NameStr(rel->rd_att->attrs[attrChk - 1]->attname));
+ caller, NameStr(rel->rd_att->attrs[attrChk - 1]->attname));
}
}
Assert(oldepq->rti != 0);
/* stop execution */
ExecEndNode(epq->plan, epq->plan);
- epqstate->es_tupleTable->next = 0;
+ epqstate->es_tupleTable->next = 0;
heap_freetuple(epqstate->es_evTuple[epq->rti - 1]);
epqstate->es_evTuple[epq->rti - 1] = NULL;
/* push current PQ to freePQ stack */
if (endNode)
{
ExecEndNode(epq->plan, epq->plan);
- epqstate->es_tupleTable->next = 0;
+ epqstate->es_tupleTable->next = 0;
}
/* free old RTE' tuple */
estate->es_evalPlanQual = (Pointer) epq;
}
else
- {
- epq->rti = 0; /* this is the first (oldest) */
- estate->es_useEvalPlan = false; /* PQ - mark as free and */
- return (NULL); /* continue Query execution */
+ {
+ epq->rti = 0; /* this is the first (oldest) */
+ estate->es_useEvalPlan = false; /* PQ - mark as free and */
+ return (NULL); /* continue Query execution */
}
}
estate->es_origPlan->nParamExec * sizeof(ParamExecData));
memset(epqstate->es_evTupleNull, false,
length(estate->es_range_table) * sizeof(bool));
- Assert(epqstate->es_tupleTable->next == 0);
+ Assert(epqstate->es_tupleTable->next == 0);
ExecInitNode(epq->plan, epqstate, NULL);
/*
if (TupIsNull(slot))
{
ExecEndNode(epq->plan, epq->plan);
- epqstate->es_tupleTable->next = 0;
+ epqstate->es_tupleTable->next = 0;
heap_freetuple(epqstate->es_evTuple[epq->rti - 1]);
epqstate->es_evTuple[epq->rti - 1] = NULL;
/* pop old PQ from the stack */
oldepq = (evalPlanQual *) epqstate->es_evalPlanQual;
if (oldepq == (evalPlanQual *) NULL)
{
- epq->rti = 0; /* this is the first (oldest) */
- estate->es_useEvalPlan = false; /* PQ - mark as free and */
- return (NULL); /* continue Query execution */
+ epq->rti = 0; /* this is the first (oldest) */
+ estate->es_useEvalPlan = false; /* PQ - mark as free and */
+ return (NULL); /* continue Query execution */
}
Assert(oldepq->rti != 0);
/* push current PQ to freePQ stack */
for (;;)
{
ExecEndNode(epq->plan, epq->plan);
- epqstate->es_tupleTable->next = 0;
+ epqstate->es_tupleTable->next = 0;
if (epqstate->es_evTuple[epq->rti - 1] != NULL)
{
heap_freetuple(epqstate->es_evTuple[epq->rti - 1]);
oldepq = (evalPlanQual *) epqstate->es_evalPlanQual;
if (oldepq == (evalPlanQual *) NULL)
{
- epq->rti = 0; /* this is the first (oldest) */
- estate->es_useEvalPlan = false; /* PQ - mark as free */
+ epq->rti = 0; /* this is the first (oldest) */
+ estate->es_useEvalPlan = false; /* PQ - mark as free */
break;
}
Assert(oldepq->rti != 0);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/executor/execQual.c,v 1.68 2000/02/20 21:32:04 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/executor/execQual.c,v 1.69 2000/04/12 17:15:08 momjian Exp $
*
*-------------------------------------------------------------------------
*/
}
else
{
- /* Null refexpr indicates we are doing an INSERT into an array column.
- * For now, we just take the refassgnexpr (which the parser will have
- * ensured is an array value) and return it as-is, ignoring any
- * subscripts that may have been supplied in the INSERT column list.
- * This is a kluge, but it's not real clear what the semantics ought
- * to be...
+
+ /*
+ * Null refexpr indicates we are doing an INSERT into an array
+ * column. For now, we just take the refassgnexpr (which the
+ * parser will have ensured is an array value) and return it
+ * as-is, ignoring any subscripts that may have been supplied in
+ * the INSERT column list. This is a kluge, but it's not real
+ * clear what the semantics ought to be...
*/
array_scanner = NULL;
}
lIndex = lower.indx;
}
else
- {
lIndex = NULL;
- }
if (arrayRef->refassgnexpr != NULL)
{
- Datum sourceData = ExecEvalExpr(arrayRef->refassgnexpr,
- econtext,
- isNull,
- &dummy);
+ Datum sourceData = ExecEvalExpr(arrayRef->refassgnexpr,
+ econtext,
+ isNull,
+ &dummy);
+
if (*isNull)
return (Datum) NULL;
static Datum
ExecEvalAggref(Aggref *aggref, ExprContext *econtext, bool *isNull)
{
- if (econtext->ecxt_aggvalues == NULL) /* safety check */
+ if (econtext->ecxt_aggvalues == NULL) /* safety check */
elog(ERROR, "ExecEvalAggref: no aggregates in this expression context");
*isNull = econtext->ecxt_aggnulls[aggref->aggno];
Assert(attnum <= 0 ||
(attnum - 1 <= tuple_type->natts - 1 &&
tuple_type->attrs[attnum - 1] != NULL &&
- variable->vartype == tuple_type->attrs[attnum - 1]->atttypid));
+ variable->vartype == tuple_type->attrs[attnum - 1]->atttypid));
/*
* If the attribute number is invalid, then we are supposed to return
*/
argV[i] = ExecEvalExpr((Node *) lfirst(arg),
econtext,
- & nullVect[i],
+ &nullVect[i],
argIsDone);
if (!(*argIsDone))
result = postquel_function(funcNode, (char **) argV,
isNull, isDone);
- if (! *isDone)
+ if (!*isDone)
break; /* got a result from current argument */
- if (! fcache->hasSetArg)
+ if (!fcache->hasSetArg)
break; /* input not a set, so done */
/* OK, get the next argument... */
if (argDone)
{
- /* End of arguments, so reset the setArg flag and say "Done" */
+
+ /*
+ * End of arguments, so reset the setArg flag and say
+ * "Done"
+ */
fcache->setArg = (char *) NULL;
fcache->hasSetArg = false;
*isDone = true;
break;
}
- /* If we reach here, loop around to run the function on the
+ /*
+ * If we reach here, loop around to run the function on the
* new argument.
*/
}
AnyNull = false;
/*
- * If any of the clauses is TRUE, the OR result is TRUE regardless
- * of the states of the rest of the clauses, so we can stop evaluating
+ * If any of the clauses is TRUE, the OR result is TRUE regardless of
+ * the states of the rest of the clauses, so we can stop evaluating
* and return TRUE immediately. If none are TRUE and one or more is
* NULL, we return NULL; otherwise we return FALSE. This makes sense
* when you interpret NULL as "don't know": if we have a TRUE then the
* OR is TRUE even if we aren't sure about some of the other inputs.
* If all the known inputs are FALSE, but we have one or more "don't
* knows", then we have to report that we "don't know" what the OR's
- * result should be --- perhaps one of the "don't knows" would have been
- * TRUE if we'd known its value. Only when all the inputs are known
- * to be FALSE can we state confidently that the OR's result is FALSE.
+ * result should be --- perhaps one of the "don't knows" would have
+ * been TRUE if we'd known its value. Only when all the inputs are
+ * known to be FALSE can we state confidently that the OR's result is
+ * FALSE.
*/
foreach(clause, clauses)
{
+
/*
* We don't iterate over sets in the quals, so pass in an isDone
* flag, but ignore it.
econtext,
isNull,
&isDone);
+
/*
* if we have a non-null true result, then return it.
*/
* If any of the clauses is FALSE, the AND result is FALSE regardless
* of the states of the rest of the clauses, so we can stop evaluating
* and return FALSE immediately. If none are FALSE and one or more is
- * NULL, we return NULL; otherwise we return TRUE. This makes sense
+ * NULL, we return NULL; otherwise we return TRUE. This makes sense
* when you interpret NULL as "don't know", using the same sort of
* reasoning as for OR, above.
*/
foreach(clause, clauses)
{
+
/*
* We don't iterate over sets in the quals, so pass in an isDone
* flag, but ignore it.
econtext,
isNull,
&isDone);
+
/*
* if we have a non-null false result, then return it.
*/
/* AnyNull is true if at least one clause evaluated to NULL */
*isNull = AnyNull;
- return (Datum) (! AnyNull);
+ return (Datum) (!AnyNull);
}
/* ----------------------------------------------------------------
* case statement is satisfied. A NULL result from the test is
* not considered true.
*/
- if (DatumGetInt32(clause_value) != 0 && ! *isNull)
+ if (DatumGetInt32(clause_value) != 0 && !*isNull)
{
return ExecEvalExpr(wclause->result,
econtext,
default:
elog(ERROR, "ExecEvalExpr: unknown expression type %d",
expr->opType);
- retDatum = 0; /* keep compiler quiet */
+ retDatum = 0; /* keep compiler quiet */
break;
}
break;
IncrProcessed();
/*
- * Evaluate the qual conditions one at a time. If we find a FALSE
+ * Evaluate the qual conditions one at a time. If we find a FALSE
* result, we can stop evaluating and return FALSE --- the AND result
* must be FALSE. Also, if we find a NULL result when resultForNull
* is FALSE, we can stop and return FALSE --- the AND result must be
/*
* If there is a null clause, consider the qualification to fail.
- * XXX is this still correct for constraints? It probably shouldn't
- * happen at all ...
+ * XXX is this still correct for constraints? It probably
+ * shouldn't happen at all ...
*/
if (clause == NULL)
return false;
+
/*
- * pass isDone, but ignore it. We don't iterate over multiple returns
- * in the qualifications.
+ * pass isDone, but ignore it. We don't iterate over multiple
+ * returns in the qualifications.
*/
expr_value = ExecEvalExpr(clause, econtext, &isNull, &isDone);
HeapTuple newTuple;
bool isNull;
bool haveDoneIters;
- static struct tupleDesc NullTupleDesc; /* we assume this inits to zeroes */
+ static struct tupleDesc NullTupleDesc; /* we assume this inits to
+ * zeroes */
/*
* debugging stuff
if (itemIsDone[resind])
haveDoneIters = true;
else
- *isDone = false; /* we have undone Iters in the list */
+ *isDone = false; /* we have undone Iters in the
+ * list */
}
}
else
{
if (*isDone)
{
- /* all Iters are done, so return a null indicating tlist set
+
+ /*
+ * all Iters are done, so return a null indicating tlist set
* expansion is complete.
*/
newTuple = NULL;
}
else
{
- /* We have some done and some undone Iters. Restart the done ones
- * so that we can deliver a tuple (if possible).
+
+ /*
+ * We have some done and some undone Iters. Restart the done
+ * ones so that we can deliver a tuple (if possible).
*
* XXX this code is a crock, because it only works for Iters at
- * the top level of tlist expressions, and doesn't even work right
- * for them: you should get all possible combinations of Iter
- * results, but you won't unless the numbers of values returned by
- * each are relatively prime. Should have a mechanism more like
- * aggregate functions, where we make a list of all Iters
- * contained in the tlist and cycle through their values in a
- * methodical fashion. To do someday; can't get excited about
- * fixing a Berkeley feature that's not in SQL92. (The only
- * reason we're doing this much is that we have to be sure all
- * the Iters are run to completion, or their subplan executors
- * will have unreleased resources, e.g. pinned buffers...)
+ * the top level of tlist expressions, and doesn't even work
+ * right for them: you should get all possible combinations of
+ * Iter results, but you won't unless the numbers of values
+ * returned by each are relatively prime. Should have a
+ * mechanism more like aggregate functions, where we make a
+ * list of all Iters contained in the tlist and cycle through
+ * their values in a methodical fashion. To do someday; can't
+ * get excited about fixing a Berkeley feature that's not in
+ * SQL92. (The only reason we're doing this much is that we
+ * have to be sure all the Iters are run to completion, or
+ * their subplan executors will have unreleased resources,
+ * e.g. pinned buffers...)
*/
foreach(tl, targetlist)
{
resdom = tle->resdom;
resind = resdom->resno - 1;
- if (IsA(expr, Iter) && itemIsDone[resind])
+ if (IsA(expr, Iter) &&itemIsDone[resind])
{
constvalue = (Datum) ExecEvalExpr(expr,
econtext,
&isNull,
- &itemIsDone[resind]);
+ &itemIsDone[resind]);
if (itemIsDone[resind])
{
- /* Oh dear, this Iter is returning an empty set.
- * Guess we can't make a tuple after all.
+
+ /*
+ * Oh dear, this Iter is returning an empty
+ * set. Guess we can't make a tuple after all.
*/
*isDone = true;
newTuple = NULL;
newTuple = (HeapTuple) heap_formtuple(targettype, values, null_head);
exit:
+
/*
* free the status arrays if we palloc'd them
*/
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/executor/execTuples.c,v 1.36 2000/01/27 18:11:27 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/executor/execTuples.c,v 1.37 2000/04/12 17:15:08 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* --------------------------------
*/
void
-ExecDropTupleTable(TupleTable table, /* tuple table */
- bool shouldFree) /* true if we should free slot
+ExecDropTupleTable(TupleTable table, /* tuple table */
+ bool shouldFree) /* true if we should free slot
* contents */
{
int next; /* next available slot */
ExecAllocTableSlot(TupleTable table)
{
int slotnum; /* new slot number */
- TupleTableSlot* slot;
+ TupleTableSlot *slot;
/* ----------------
* sanity checks
*
* tuple: tuple to store
* slot: slot to store it in
- * buffer: disk buffer if tuple is in a disk page, else InvalidBuffer
- * shouldFree: true if ExecClearTuple should pfree() the tuple
+ * buffer: disk buffer if tuple is in a disk page, else InvalidBuffer
+ * shouldFree: true if ExecClearTuple should pfree() the tuple
* when done with it
*
* If 'buffer' is not InvalidBuffer, the tuple table code acquires a pin
* Another case where it is 'false' is when the referenced tuple is held
* in a tuple table slot belonging to a lower-level executor Proc node.
* In this case the lower-level slot retains ownership and responsibility
- * for eventually releasing the tuple. When this method is used, we must
+ * for eventually releasing the tuple. When this method is used, we must
* be certain that the upper-level Proc node will lose interest in the tuple
* sooner than the lower-level one does! If you're not certain, copy the
* lower-level tuple with heap_copytuple and let the upper-level table
slot->ttc_buffer = buffer;
slot->ttc_shouldFree = shouldFree;
- /* If tuple is on a disk page, keep the page pinned as long as we hold
+ /*
+ * If tuple is on a disk page, keep the page pinned as long as we hold
* a pointer into it.
*/
if (BufferIsValid(buffer))
slot->val = (HeapTuple) NULL;
- slot->ttc_shouldFree = true; /* probably useless code... */
+ slot->ttc_shouldFree = true;/* probably useless code... */
/* ----------------
* Drop the pin on the referenced buffer, if there is one.
case T_TidScan:
{
CommonScanState *scanstate = ((IndexScan *) node)->scan.scanstate;
+
slot = scanstate->cstate.cs_ResultTupleSlot;
}
break;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/executor/execUtils.c,v 1.54 2000/02/18 09:29:57 inoue Exp $
+ * $Header: /cvsroot/pgsql/src/backend/executor/execUtils.c,v 1.55 2000/04/12 17:15:08 momjian Exp $
*
*-------------------------------------------------------------------------
*/
if (!RelationGetForm(resultRelationInfo->ri_RelationDesc)->relhasindex)
return;
if (IsIgnoringSystemIndexes() &&
- IsSystemRelationName(RelationGetRelationName(resultRelationInfo->ri_RelationDesc)))
+ IsSystemRelationName(RelationGetRelationName(resultRelationInfo->ri_RelationDesc)))
return;
/* ----------------
* open pg_index
/*
* Hack for not btree and hash indices: they use relation
- * level exclusive locking on update (i.e. - they are
- * not ready for MVCC) and so we have to exclusively lock
+ * level exclusive locking on update (i.e. - they are not
+ * ready for MVCC) and so we have to exclusively lock
* indices here to prevent deadlocks if we will scan them
* - index_beginscan places AccessShareLock, indices
* update methods don't use locks at all. We release this
econtext->ecxt_scantuple = slot;
/* Skip this index-update if the predicate isn't satisfied */
- if (! ExecQual((List *) predicate, econtext, false))
+ if (!ExecQual((List *) predicate, econtext, false))
continue;
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/executor/functions.c,v 1.32 2000/04/04 21:44:39 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/executor/functions.c,v 1.33 2000/04/12 17:15:09 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static TupleDesc
postquel_start(execution_state *es)
{
+
/*
* Do nothing for utility commands. (create, destroy...) DZ -
* 30-8-1996
if (es->qd->operation == CMD_UTILITY)
{
+
/*
- * Process a utility command. (create, destroy...) DZ -
- * 30-8-1996
+ * Process a utility command. (create, destroy...) DZ - 30-8-1996
*/
ProcessUtility(es->qd->parsetree->utilityStmt, es->qd->dest);
if (!LAST_POSTQUEL_COMMAND(es))
static void
postquel_end(execution_state *es)
{
+
/*
* Do nothing for utility commands. (create, destroy...) DZ -
* 30-8-1996
* value1 = finalfunc(value1, value2)
*
* If initcond1 is NULL then the first non-NULL input_value is
- * assigned directly to value1. sfunc1 isn't applied until value1
+ * assigned directly to value1. sfunc1 isn't applied until value1
* is non-NULL.
*
* sfunc1 is never applied when the current tuple's input_value is NULL.
* (usenulls was formerly used for COUNT(*), but is no longer needed for
* that purpose; as of 10/1999 the support for usenulls is dead code.
* I have not removed it because it seems like a potentially useful
- * feature for user-defined aggregates. We'd just need to add a
+ * feature for user-defined aggregates. We'd just need to add a
* flag column to pg_aggregate and a parameter to CREATE AGGREGATE...)
*
*
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/executor/nodeAgg.c,v 1.62 2000/01/26 05:56:22 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/executor/nodeAgg.c,v 1.63 2000/04/12 17:15:09 momjian Exp $
*
*-------------------------------------------------------------------------
*/
*/
typedef struct AggStatePerAggData
{
+
/*
* These values are set up during ExecInitAgg() and do not change
* thereafter:
Oid xfn1_oid;
Oid xfn2_oid;
Oid finalfn_oid;
+
/*
* fmgr lookup data for transfer functions --- only valid when
* corresponding oid is not InvalidOid
FmgrInfo xfn1;
FmgrInfo xfn2;
FmgrInfo finalfn;
+
/*
- * Type of input data and Oid of sort operator to use for it;
- * only set/used when aggregate has DISTINCT flag. (These are not
- * used directly by nodeAgg, but must be passed to the Tuplesort object.)
+ * Type of input data and Oid of sort operator to use for it; only
+ * set/used when aggregate has DISTINCT flag. (These are not used
+ * directly by nodeAgg, but must be passed to the Tuplesort object.)
*/
Oid inputType;
Oid sortOperator;
+
/*
- * fmgr lookup data for input type's equality operator --- only set/used
- * when aggregate has DISTINCT flag.
+ * fmgr lookup data for input type's equality operator --- only
+ * set/used when aggregate has DISTINCT flag.
*/
FmgrInfo equalfn;
+
/*
* initial values from pg_aggregate entry
*/
Datum initValue2; /* for transtype2 */
bool initValue1IsNull,
initValue2IsNull;
+
/*
* We need the len and byval info for the agg's input and transition
* data types in order to know how to copy/delete values.
transtype2ByVal;
/*
- * These values are working state that is initialized at the start
- * of an input tuple group and updated for each input tuple.
+ * These values are working state that is initialized at the start of
+ * an input tuple group and updated for each input tuple.
*
* For a simple (non DISTINCT) aggregate, we just feed the input values
- * straight to the transition functions. If it's DISTINCT, we pass the
- * input values into a Tuplesort object; then at completion of the input
- * tuple group, we scan the sorted values, eliminate duplicates, and run
- * the transition functions on the rest.
+ * straight to the transition functions. If it's DISTINCT, we pass
+ * the input values into a Tuplesort object; then at completion of the
+ * input tuple group, we scan the sorted values, eliminate duplicates,
+ * and run the transition functions on the rest.
*/
Tuplesortstate *sortstate; /* sort object, if a DISTINCT agg */
bool value1IsNull,
value2IsNull;
bool noInitValue; /* true if value1 not set yet */
+
/*
- * Note: right now, noInitValue always has the same value as value1IsNull.
- * But we should keep them separate because once the fmgr interface is
- * fixed, we'll need to distinguish a null returned by transfn1 from
- * a null we haven't yet replaced with an input value.
+ * Note: right now, noInitValue always has the same value as
+ * value1IsNull. But we should keep them separate because once the
+ * fmgr interface is fixed, we'll need to distinguish a null returned
+ * by transfn1 from a null we haven't yet replaced with an input
+ * value.
*/
} AggStatePerAggData;
-static void initialize_aggregate (AggStatePerAgg peraggstate);
-static void advance_transition_functions (AggStatePerAgg peraggstate,
- Datum newVal, bool isNull);
-static void finalize_aggregate (AggStatePerAgg peraggstate,
- Datum *resultVal, bool *resultIsNull);
+static void initialize_aggregate(AggStatePerAgg peraggstate);
+static void advance_transition_functions(AggStatePerAgg peraggstate,
+ Datum newVal, bool isNull);
+static void finalize_aggregate(AggStatePerAgg peraggstate,
+ Datum *resultVal, bool *resultIsNull);
static Datum copyDatum(Datum val, int typLen, bool typByVal);
* Initialize one aggregate for a new set of input values.
*/
static void
-initialize_aggregate (AggStatePerAgg peraggstate)
+initialize_aggregate(AggStatePerAgg peraggstate)
{
- Aggref *aggref = peraggstate->aggref;
+ Aggref *aggref = peraggstate->aggref;
/*
* Start a fresh sort operation for each DISTINCT aggregate.
*/
if (aggref->aggdistinct)
{
- /* In case of rescan, maybe there could be an uncompleted
- * sort operation? Clean it up if so.
+
+ /*
+ * In case of rescan, maybe there could be an uncompleted sort
+ * operation? Clean it up if so.
*/
if (peraggstate->sortstate)
tuplesort_end(peraggstate->sortstate);
* (Re)set value1 and value2 to their initial values.
*/
if (OidIsValid(peraggstate->xfn1_oid) &&
- ! peraggstate->initValue1IsNull)
- peraggstate->value1 = copyDatum(peraggstate->initValue1,
+ !peraggstate->initValue1IsNull)
+ peraggstate->value1 = copyDatum(peraggstate->initValue1,
peraggstate->transtype1Len,
peraggstate->transtype1ByVal);
else
peraggstate->value1IsNull = peraggstate->initValue1IsNull;
if (OidIsValid(peraggstate->xfn2_oid) &&
- ! peraggstate->initValue2IsNull)
- peraggstate->value2 = copyDatum(peraggstate->initValue2,
+ !peraggstate->initValue2IsNull)
+ peraggstate->value2 = copyDatum(peraggstate->initValue2,
peraggstate->transtype2Len,
peraggstate->transtype2ByVal);
else
* out before reaching here.
*/
static void
-advance_transition_functions (AggStatePerAgg peraggstate,
- Datum newVal, bool isNull)
+advance_transition_functions(AggStatePerAgg peraggstate,
+ Datum newVal, bool isNull)
{
Datum args[2];
{
if (peraggstate->noInitValue)
{
+
/*
* value1 has not been initialized. This is the first non-NULL
* input value. We use it as the initial value for value1.
newVal = (Datum) fmgr_c(&peraggstate->xfn1,
(FmgrValues *) args,
&isNull);
- if (! peraggstate->transtype1ByVal)
+ if (!peraggstate->transtype1ByVal)
pfree(peraggstate->value1);
peraggstate->value1 = newVal;
}
newVal = (Datum) fmgr_c(&peraggstate->xfn2,
(FmgrValues *) args,
&isNull);
- if (! peraggstate->transtype2ByVal)
+ if (!peraggstate->transtype2ByVal)
pfree(peraggstate->value2);
peraggstate->value2 = newVal;
}
* Compute the final value of one aggregate.
*/
static void
-finalize_aggregate (AggStatePerAgg peraggstate,
- Datum *resultVal, bool *resultIsNull)
+finalize_aggregate(AggStatePerAgg peraggstate,
+ Datum *resultVal, bool *resultIsNull)
{
Aggref *aggref = peraggstate->aggref;
char *args[2];
/*
* If it's a DISTINCT aggregate, all we've done so far is to stuff the
- * input values into the sort object. Complete the sort, then run
- * the transition functions on the non-duplicate values. Note that
- * DISTINCT always suppresses nulls, per SQL spec, regardless of usenulls.
+ * input values into the sort object. Complete the sort, then run the
+ * transition functions on the non-duplicate values. Note that
+ * DISTINCT always suppresses nulls, per SQL spec, regardless of
+ * usenulls.
*/
if (aggref->aggdistinct)
{
continue;
if (haveOldVal)
{
- Datum equal;
+ Datum equal;
equal = (Datum) (*fmgr_faddr(&peraggstate->equalfn)) (oldVal,
- newVal);
+ newVal);
if (DatumGetInt32(equal) != 0)
{
- if (! peraggstate->inputtypeByVal)
+ if (!peraggstate->inputtypeByVal)
pfree(DatumGetPointer(newVal));
continue;
}
}
advance_transition_functions(peraggstate, newVal, false);
- if (haveOldVal && ! peraggstate->inputtypeByVal)
+ if (haveOldVal && !peraggstate->inputtypeByVal)
pfree(DatumGetPointer(oldVal));
oldVal = newVal;
haveOldVal = true;
}
- if (haveOldVal && ! peraggstate->inputtypeByVal)
+ if (haveOldVal && !peraggstate->inputtypeByVal)
pfree(DatumGetPointer(oldVal));
tuplesort_end(peraggstate->sortstate);
peraggstate->sortstate = NULL;
}
/*
- * Now apply the agg's finalfn, or substitute the appropriate transition
- * value if there is no finalfn.
+ * Now apply the agg's finalfn, or substitute the appropriate
+ * transition value if there is no finalfn.
*
- * XXX For now, only apply finalfn if we got at least one
- * non-null input value. This prevents zero divide in AVG().
- * If we had cleaner handling of null inputs/results in functions,
- * we could probably take out this hack and define the result
- * for no inputs as whatever finalfn returns for null input.
+ * XXX For now, only apply finalfn if we got at least one non-null input
+ * value. This prevents zero divide in AVG(). If we had cleaner
+ * handling of null inputs/results in functions, we could probably
+ * take out this hack and define the result for no inputs as whatever
+ * finalfn returns for null input.
*/
if (OidIsValid(peraggstate->finalfn_oid) &&
- ! peraggstate->noInitValue)
+ !peraggstate->noInitValue)
{
if (peraggstate->finalfn.fn_nargs > 1)
{
elog(ERROR, "ExecAgg: no valid transition functions??");
/*
- * Release any per-group working storage, unless we're passing
- * it back as the result of the aggregate.
+ * Release any per-group working storage, unless we're passing it back
+ * as the result of the aggregate.
*/
if (OidIsValid(peraggstate->xfn1_oid) &&
- ! peraggstate->value1IsNull &&
- ! peraggstate->transtype1ByVal)
+ !peraggstate->value1IsNull &&
+ !peraggstate->transtype1ByVal)
pfree(peraggstate->value1);
-
+
if (OidIsValid(peraggstate->xfn2_oid) &&
- ! peraggstate->value2IsNull &&
- ! peraggstate->transtype2ByVal)
+ !peraggstate->value2IsNull &&
+ !peraggstate->transtype2ByVal)
pfree(peraggstate->value2);
}
* the appropriate attribute for each aggregate function use (Aggref
* node) appearing in the targetlist or qual of the node. The number
* of tuples to aggregate over depends on whether a GROUP BY clause is
- * present. We can produce an aggregate result row per group, or just
- * one for the whole query. The value of each aggregate is stored in
+ * present. We can produce an aggregate result row per group, or just
+ * one for the whole query. The value of each aggregate is stored in
* the expression context to be used when ExecProject evaluates the
* result tuple.
*
ProjectionInfo *projInfo;
Datum *aggvalues;
bool *aggnulls;
- AggStatePerAgg peragg;
+ AggStatePerAgg peragg;
TupleTableSlot *resultSlot;
HeapTuple inputTuple;
int aggno;
*/
for (aggno = 0; aggno < aggstate->numaggs; aggno++)
{
- AggStatePerAgg peraggstate = &peragg[aggno];
+ AggStatePerAgg peraggstate = &peragg[aggno];
initialize_aggregate(peraggstate);
}
for (aggno = 0; aggno < aggstate->numaggs; aggno++)
{
- AggStatePerAgg peraggstate = &peragg[aggno];
- Aggref *aggref = peraggstate->aggref;
- Datum newVal;
+ AggStatePerAgg peraggstate = &peragg[aggno];
+ Aggref *aggref = peraggstate->aggref;
+ Datum newVal;
newVal = ExecEvalExpr(aggref->target, econtext,
&isNull, &isDone);
/*
* Keep a copy of the first input tuple for the projection.
- * (We only need one since only the GROUP BY columns in it
- * can be referenced, and these will be the same for all
- * tuples aggregated over.)
+ * (We only need one since only the GROUP BY columns in it can
+ * be referenced, and these will be the same for all tuples
+ * aggregated over.)
*/
if (!inputTuple)
inputTuple = heap_copytuple(outerslot->val);
}
/*
- * Done scanning input tuple group.
- * Finalize each aggregate calculation.
+ * Done scanning input tuple group. Finalize each aggregate
+ * calculation.
*/
for (aggno = 0; aggno < aggstate->numaggs; aggno++)
{
- AggStatePerAgg peraggstate = &peragg[aggno];
+ AggStatePerAgg peraggstate = &peragg[aggno];
finalize_aggregate(peraggstate,
- & aggvalues[aggno], & aggnulls[aggno]);
+ &aggvalues[aggno], &aggnulls[aggno]);
}
/*
* If the outerPlan is a Group node, we will reach here after each
* group. We are not done unless the Group node is done (a little
- * ugliness here while we reach into the Group's state to find out).
- * Furthermore, when grouping we return nothing at all unless we
- * had some input tuple(s). By the nature of Group, there are
- * no empty groups, so if we get here with no input the whole scan
- * is empty.
+ * ugliness here while we reach into the Group's state to find
+ * out). Furthermore, when grouping we return nothing at all
+ * unless we had some input tuple(s). By the nature of Group,
+ * there are no empty groups, so if we get here with no input the
+ * whole scan is empty.
*
- * If the outerPlan isn't a Group, we are done when we get here,
- * and we will emit a (single) tuple even if there were no input
+ * If the outerPlan isn't a Group, we are done when we get here, and
+ * we will emit a (single) tuple even if there were no input
* tuples.
*/
if (IsA(outerPlan, Group))
else
{
aggstate->agg_done = true;
+
/*
- * If inputtuple==NULL (ie, the outerPlan didn't return anything),
- * create a dummy all-nulls input tuple for use by execProject.
- * 99.44% of the time this is a waste of cycles, because
- * ordinarily the projected output tuple's targetlist cannot
- * contain any direct (non-aggregated) references to input
- * columns, so the dummy tuple will not be referenced. However
- * there are special cases where this isn't so --- in particular
- * an UPDATE involving an aggregate will have a targetlist
- * reference to ctid. We need to return a null for ctid in that
- * situation, not coredump.
+ * If inputtuple==NULL (ie, the outerPlan didn't return
+ * anything), create a dummy all-nulls input tuple for use by
+ * execProject. 99.44% of the time this is a waste of cycles,
+ * because ordinarily the projected output tuple's targetlist
+ * cannot contain any direct (non-aggregated) references to
+ * input columns, so the dummy tuple will not be referenced.
+ * However there are special cases where this isn't so --- in
+ * particular an UPDATE involving an aggregate will have a
+ * targetlist reference to ctid. We need to return a null for
+ * ctid in that situation, not coredump.
*
* The values returned for the aggregates will be the initial
* values of the transition functions.
/* watch out for null input tuples, though... */
if (tupType && tupValue)
{
- null_array = (char *) palloc(sizeof(char)*tupType->natts);
+ null_array = (char *) palloc(sizeof(char) * tupType->natts);
for (attnum = 0; attnum < tupType->natts; attnum++)
null_array[attnum] = 'n';
inputTuple = heap_formtuple(tupType, tupValue, null_array);
/*
* Form a projection tuple using the aggregate results and the
- * representative input tuple. Store it in the result tuple slot.
+ * representative input tuple. Store it in the result tuple slot.
*/
resultSlot = ExecProject(projInfo, &isDone);
/*
- * If the completed tuple does not match the qualifications,
- * it is ignored and we loop back to try to process another group.
+ * If the completed tuple does not match the qualifications, it is
+ * ignored and we loop back to try to process another group.
* Otherwise, return the tuple.
*/
}
- while (! ExecQual(node->plan.qual, econtext, false));
+ while (!ExecQual(node->plan.qual, econtext, false));
return resultSlot;
}
bool
ExecInitAgg(Agg *node, EState *estate, Plan *parent)
{
- AggState *aggstate;
- AggStatePerAgg peragg;
- Plan *outerPlan;
- ExprContext *econtext;
- int numaggs,
- aggno;
- List *alist;
+ AggState *aggstate;
+ AggStatePerAgg peragg;
+ Plan *outerPlan;
+ ExprContext *econtext;
+ int numaggs,
+ aggno;
+ List *alist;
/*
* assign the node's execution state
* find aggregates in targetlist and quals
*
* Note: pull_agg_clauses also checks that no aggs contain other agg
- * calls in their arguments. This would make no sense under SQL semantics
- * anyway (and it's forbidden by the spec). Because that is true, we
- * don't need to worry about evaluating the aggs in any particular order.
+ * calls in their arguments. This would make no sense under SQL
+ * semantics anyway (and it's forbidden by the spec). Because that is
+ * true, we don't need to worry about evaluating the aggs in any
+ * particular order.
*/
aggstate->aggs = nconc(pull_agg_clause((Node *) node->plan.targetlist),
pull_agg_clause((Node *) node->plan.qual));
aggstate->numaggs = numaggs = length(aggstate->aggs);
if (numaggs <= 0)
{
+
/*
- * This used to be treated as an error, but we can't do that anymore
- * because constant-expression simplification could optimize away
- * all of the Aggrefs in the targetlist and qual. So, just make a
- * debug note, and force numaggs positive so that palloc()s below
- * don't choke.
+ * This used to be treated as an error, but we can't do that
+ * anymore because constant-expression simplification could
+ * optimize away all of the Aggrefs in the targetlist and qual.
+ * So, just make a debug note, and force numaggs positive so that
+ * palloc()s below don't choke.
*/
elog(DEBUG, "ExecInitAgg: could not find any aggregate functions");
numaggs = 1;
ExecInitResultTupleSlot(estate, &aggstate->csstate.cstate);
/*
- * Set up aggregate-result storage in the expr context,
- * and also allocate my private per-agg working storage
+ * Set up aggregate-result storage in the expr context, and also
+ * allocate my private per-agg working storage
*/
econtext = aggstate->csstate.cstate.cs_ExprContext;
econtext->ecxt_aggvalues = (Datum *) palloc(sizeof(Datum) * numaggs);
aggno = -1;
foreach(alist, aggstate->aggs)
{
- Aggref *aggref = (Aggref *) lfirst(alist);
- AggStatePerAgg peraggstate = &peragg[++aggno];
- char *aggname = aggref->aggname;
- HeapTuple aggTuple;
+ Aggref *aggref = (Aggref *) lfirst(alist);
+ AggStatePerAgg peraggstate = &peragg[++aggno];
+ char *aggname = aggref->aggname;
+ HeapTuple aggTuple;
Form_pg_aggregate aggform;
- Type typeInfo;
- Oid xfn1_oid,
- xfn2_oid,
- finalfn_oid;
+ Type typeInfo;
+ Oid xfn1_oid,
+ xfn2_oid,
+ finalfn_oid;
/* Mark Aggref node with its associated index in the result array */
aggref->aggno = aggno;
}
if (OidIsValid(finalfn_oid))
- {
fmgr_info(finalfn_oid, &peraggstate->finalfn);
- }
if (aggref->aggdistinct)
{
return val;
else
{
- char *newVal;
+ char *newVal;
if (typLen == -1) /* variable length type? */
typLen = VARSIZE((struct varlena *) DatumGetPointer(val));
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/executor/nodeAppend.c,v 1.29 2000/01/26 05:56:22 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/executor/nodeAppend.c,v 1.30 2000/04/12 17:15:09 momjian Exp $
*
*-------------------------------------------------------------------------
*/
foreach(rtentryP, rtable)
{
- RangeTblEntry *rtentry = lfirst(rtentryP);
- Oid reloid;
- RelationInfo *rri;
+ RangeTblEntry *rtentry = lfirst(rtentryP);
+ Oid reloid;
+ RelationInfo *rri;
reloid = rtentry->relid;
rri = makeNode(RelationInfo);
{
JunkFilter *j = ExecInitJunkFilter(initNode->targetlist,
ExecGetTupType(initNode));
+
junkList = lappend(junkList, j);
}
* locate group boundaries.
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/executor/nodeGroup.c,v 1.33 2000/01/27 18:11:27 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/executor/nodeGroup.c,v 1.34 2000/04/12 17:15:09 momjian Exp $
*
*-------------------------------------------------------------------------
*/
{
grpstate->grp_useFirstTuple = FALSE;
- /* note we rely on subplan to hold ownership of the tuple
- * for as long as we need it; we don't copy it.
+ /*
+ * note we rely on subplan to hold ownership of the tuple for as
+ * long as we need it; we don't copy it.
*/
ExecStoreTuple(grpstate->grp_firstTuple,
grpstate->csstate.css_ScanTupleSlot,
}
else
{
+
/*
* Compare with first tuple and see if this tuple is of the
* same group.
*/
- if (! execTuplesMatch(firsttuple, outerTuple,
- tupdesc,
- node->numCols, node->grpColIdx,
- grpstate->eqfunctions))
+ if (!execTuplesMatch(firsttuple, outerTuple,
+ tupdesc,
+ node->numCols, node->grpColIdx,
+ grpstate->eqfunctions))
{
+
/*
- * No; save the tuple to return it next time, and return NULL
+ * No; save the tuple to return it next time, and return
+ * NULL
*/
grpstate->grp_useFirstTuple = TRUE;
heap_freetuple(firsttuple);
}
}
- /* note we rely on subplan to hold ownership of the tuple
- * for as long as we need it; we don't copy it.
+ /*
+ * note we rely on subplan to hold ownership of the tuple for as
+ * long as we need it; we don't copy it.
*/
ExecStoreTuple(outerTuple,
grpstate->csstate.css_ScanTupleSlot,
outerTuple = outerslot->val;
/*
- * Compare with first tuple and see if this tuple is of the
- * same group.
+ * Compare with first tuple and see if this tuple is of the same
+ * group.
*/
- if (! execTuplesMatch(firsttuple, outerTuple,
- tupdesc,
- node->numCols, node->grpColIdx,
- grpstate->eqfunctions))
+ if (!execTuplesMatch(firsttuple, outerTuple,
+ tupdesc,
+ node->numCols, node->grpColIdx,
+ grpstate->eqfunctions))
break;
}
*/
projInfo = grpstate->csstate.cstate.cs_ProjInfo;
- /* note we rely on subplan to hold ownership of the tuple
- * for as long as we need it; we don't copy it.
+ /*
+ * note we rely on subplan to hold ownership of the tuple for as long
+ * as we need it; we don't copy it.
*/
ExecStoreTuple(firsttuple,
grpstate->csstate.css_ScanTupleSlot,
* start comparing at the last field (least significant sort key).
* That's the most likely to be different...
*/
- for (i = numCols; --i >= 0; )
+ for (i = numCols; --i >= 0;)
{
AttrNumber att = matchColIdx[i];
Datum attr1,
/* Apply the type-specific equality function */
- equal = (Datum) (*fmgr_faddr(& eqfunctions[i])) (attr1, attr2);
+ equal = (Datum) (*fmgr_faddr(&eqfunctions[i])) (attr1, attr2);
if (DatumGetInt32(equal) == 0)
return FALSE;
* Look up the equality functions needed for execTuplesMatch.
* The result is a palloc'd array.
*/
-FmgrInfo *
+FmgrInfo *
execTuplesMatchPrepare(TupleDesc tupdesc,
int numCols,
AttrNumber *matchColIdx)
typeidTypeName(typid));
}
pgopform = (Form_pg_operator) GETSTRUCT(eq_operator);
- fmgr_info(pgopform->oprcode, & eqfunctions[i]);
+ fmgr_info(pgopform->oprcode, &eqfunctions[i]);
}
return eqfunctions;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/executor/nodeIndexscan.c,v 1.48 2000/04/07 00:30:41 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/executor/nodeIndexscan.c,v 1.49 2000/04/12 17:15:09 momjian Exp $
*
*-------------------------------------------------------------------------
*/
direction = BackwardScanDirection;
else if (ScanDirectionIsBackward(direction))
direction = ForwardScanDirection;
- }
+ }
snapshot = estate->es_snapshot;
scanstate = node->scan.scanstate;
indexstate = node->indxstate;
List *qual;
/*
- * store the scanned tuple in the scan tuple slot of
- * the scan state. Eventually we will only do this and not
- * return a tuple. Note: we pass 'false' because tuples
- * returned by amgetnext are pointers onto disk pages and
- * must not be pfree()'d.
+ * store the scanned tuple in the scan tuple slot of the
+ * scan state. Eventually we will only do this and not
+ * return a tuple. Note: we pass 'false' because tuples
+ * returned by amgetnext are pointers onto disk pages and
+ * must not be pfree()'d.
*/
ExecStoreTuple(tuple, /* tuple to store */
slot, /* slot to store in */
/*
* At this point we have an extra pin on the buffer,
- * because ExecStoreTuple incremented the pin count.
- * Drop our local pin.
+ * because ExecStoreTuple incremented the pin count. Drop
+ * our local pin.
*/
ReleaseBuffer(buffer);
/*
* We must check to see if the current tuple was already
- * matched by an earlier index, so we don't double-report it.
- * We do this by passing the tuple through ExecQual and
- * checking for failure with all previous qualifications.
+ * matched by an earlier index, so we don't double-report
+ * it. We do this by passing the tuple through ExecQual
+ * and checking for failure with all previous
+ * qualifications.
*/
scanstate->cstate.cs_ExprContext->ecxt_scantuple = slot;
qual = node->indxqualorig;
qual = lnext(qual);
}
if (!prev_matches)
- return slot; /* OK to return tuple */
+ return slot;/* OK to return tuple */
/* Duplicate tuple, so drop it and loop back for another */
ExecClearTuple(slot);
}
scanexpr = (run_keys[j] == RIGHT_OP) ?
(Node *) get_rightop(clause) :
(Node *) get_leftop(clause);
+
/*
* pass in isDone but ignore it. We don't iterate in
* quals
*/
scanvalue = (Datum)
ExecEvalExpr(scanexpr,
- node->scan.scanstate->cstate.cs_ExprContext,
+ node->scan.scanstate->cstate.cs_ExprContext,
&isNull, &isDone);
scan_keys[j].sk_argument = scanvalue;
if (isNull)
clause = nth(j, qual);
op = (Oper *) clause->oper;
- if (!IsA(clause, Expr) || !IsA(op, Oper))
+ if (!IsA(clause, Expr) ||!IsA(op, Oper))
elog(ERROR, "ExecInitIndexScan: indxqual not an opclause!");
opid = op->opid;
Assert(leftop != NULL);
- if (IsA(leftop, Var) && var_is_rel((Var *) leftop))
+ if (IsA(leftop, Var) &&var_is_rel((Var *) leftop))
{
/* ----------------
* if the leftop is a "rel-var", then it means
Assert(rightop != NULL);
- if (IsA(rightop, Var) && var_is_rel((Var *) rightop))
+ if (IsA(rightop, Var) &&var_is_rel((Var *) rightop))
{
/* ----------------
* here we make sure only one op identifies the
¤tRelation, /* return: rel desc */
(Pointer *) ¤tScanDesc); /* return: scan desc */
-if (!RelationGetForm(currentRelation)->relhasindex)
-{
- elog(ERROR, "indexes of the relation %u was inactivated", reloid);
-}
+ if (!RelationGetForm(currentRelation)->relhasindex)
+ elog(ERROR, "indexes of the relation %u was inactivated", reloid);
scanstate->css_currentRelation = currentRelation;
scanstate->css_currentScanDesc = currentScanDesc;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/executor/nodeSort.c,v 1.25 2000/01/26 05:56:23 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/executor/nodeSort.c,v 1.26 2000/04/12 17:15:09 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* ----------------
*/
- if (! sortstate->sort_Done)
+ if (!sortstate->sort_Done)
{
Plan *outerNode;
TupleDesc tupDesc;
sortkeys = (ScanKey) sortstate->sort_Keys;
tuplesortstate = tuplesort_begin_heap(tupDesc, keycount, sortkeys,
- true /* randomAccess */);
+ true /* randomAccess */ );
sortstate->tuplesortstate = (void *) tuplesortstate;
* if we haven't sorted yet, just return
* ----------------
*/
- if (! sortstate->sort_Done)
+ if (!sortstate->sort_Done)
return;
tuplesort_markpos((Tuplesortstate *) sortstate->tuplesortstate);
* if we haven't sorted yet, just return.
* ----------------
*/
- if (! sortstate->sort_Done)
+ if (!sortstate->sort_Done)
return;
/* ----------------
* not NULL then it will be re-scanned by ExecProcNode, else - no
* reason to re-scan it at all.
*/
- if (! sortstate->sort_Done)
+ if (!sortstate->sort_Done)
return;
ExecClearTuple(sortstate->csstate.cstate.cs_ResultTupleSlot);
/*
- * If subnode is to be rescanned then we forget previous sort
- * results; we have to re-read the subplan and re-sort.
+ * If subnode is to be rescanned then we forget previous sort results;
+ * we have to re-read the subplan and re-sort.
*
* Otherwise we can just rewind and rescan the sorted output.
*/
sortstate->tuplesortstate = NULL;
}
else
- {
tuplesort_rescan((Tuplesortstate *) sortstate->tuplesortstate);
- }
}
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/executor/nodeSubplan.c,v 1.24 2000/03/23 07:32:58 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/executor/nodeSubplan.c,v 1.25 2000/04/12 17:15:10 momjian Exp $
*
*-------------------------------------------------------------------------
*/
ExecReScan(plan, (ExprContext *) NULL, plan);
/*
- * For all sublink types except EXPR_SUBLINK, the result is boolean
- * as are the results of the combining operators. We combine results
+ * For all sublink types except EXPR_SUBLINK, the result is boolean as
+ * are the results of the combining operators. We combine results
* within a tuple (if there are multiple columns) using OR semantics
* if "useor" is true, AND semantics if not. We then combine results
* across tuples (if the subplan produces more than one) using OR
* semantics for ANY_SUBLINK or AND semantics for ALL_SUBLINK.
* (MULTIEXPR_SUBLINK doesn't allow multiple tuples from the subplan.)
* NULL results from the combining operators are handled according to
- * the usual SQL semantics for OR and AND. The result for no input
+ * the usual SQL semantics for OR and AND. The result for no input
* tuples is FALSE for ANY_SUBLINK, TRUE for ALL_SUBLINK, NULL for
* MULTIEXPR_SUBLINK.
*
* For EXPR_SUBLINK we require the subplan to produce no more than one
- * tuple, else an error is raised. If zero tuples are produced, we
+ * tuple, else an error is raised. If zero tuples are produced, we
* return NULL. Assuming we get a tuple, we just return its first
* column (there can be only one non-junk column in this case).
*/
if (found)
elog(ERROR, "More than one tuple returned by a subselect used as an expression.");
found = true;
+
/*
- * We need to copy the subplan's tuple in case the result is of
- * pass-by-ref type --- our return value will point into this
- * copied tuple! Can't use the subplan's instance of the tuple
- * since it won't still be valid after next ExecProcNode() call.
- * node->curTuple keeps track of the copied tuple for eventual
- * freeing.
+ * We need to copy the subplan's tuple in case the result is
+ * of pass-by-ref type --- our return value will point into
+ * this copied tuple! Can't use the subplan's instance of the
+ * tuple since it won't still be valid after next
+ * ExecProcNode() call. node->curTuple keeps track of the
+ * copied tuple for eventual freeing.
*/
tup = heap_copytuple(tup);
if (node->curTuple)
found = true;
- /* For ALL, ANY, and MULTIEXPR sublinks, iterate over combining
+ /*
+ * For ALL, ANY, and MULTIEXPR sublinks, iterate over combining
* operators for columns of tuple.
*/
foreach(lst, sublink->oper)
bool expnull;
/*
- * The righthand side of the expression should be either a Const
- * or a function call or RelabelType node taking a Const as arg
- * (these nodes represent run-time type coercions inserted by
- * the parser to get to the input type needed by the operator).
- * Find the Const node and insert the actual righthand-side value
- * into it.
+ * The righthand side of the expression should be either a
+ * Const or a function call or RelabelType node taking a Const
+ * as arg (these nodes represent run-time type coercions
+ * inserted by the parser to get to the input type needed by
+ * the operator). Find the Const node and insert the actual
+ * righthand-side value into it.
*/
- if (! IsA(con, Const))
+ if (!IsA(con, Const))
{
switch (con->type)
{
/* will fail below */
break;
}
- if (! IsA(con, Const))
+ if (!IsA(con, Const))
elog(ERROR, "ExecSubPlan: failed to find placeholder for subplan result");
}
con->constvalue = heap_getattr(tup, col, tdesc,
&(con->constisnull));
+
/*
* Now we can eval the combining operator for this column.
*/
expresult = ExecEvalExpr((Node *) expr, econtext, &expnull,
(bool *) NULL);
+
/*
* Combine the result into the row result as appropriate.
*/
if (!found)
{
- /* deal with empty subplan result. result/isNull were previously
+
+ /*
+ * deal with empty subplan result. result/isNull were previously
* initialized correctly for all sublink types except EXPR and
* MULTIEXPR; for those, return NULL.
*/
if (subLinkType == EXPR_SUBLINK || subLinkType == MULTIEXPR_SUBLINK)
{
- result = (Datum) false;
- *isNull = true;
+ result = (Datum) false;
+ *isNull = true;
}
}
/*
* We need to copy the subplan's tuple in case any of the params
- * are pass-by-ref type --- the pointers stored in the param structs
- * will point at this copied tuple! node->curTuple keeps track
- * of the copied tuple for eventual freeing.
+ * are pass-by-ref type --- the pointers stored in the param
+ * structs will point at this copied tuple! node->curTuple keeps
+ * track of the copied tuple for eventual freeing.
*/
tup = heap_copytuple(tup);
if (node->curTuple)
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/executor/nodeTidscan.c,v 1.5 2000/04/07 00:30:41 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/executor/nodeTidscan.c,v 1.6 2000/04/12 17:15:10 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "access/heapam.h"
#include "parser/parsetree.h"
-static int TidListCreate(List *, ExprContext *, ItemPointer *);
+static int TidListCreate(List *, ExprContext *, ItemPointer *);
static TupleTableSlot *TidNext(TidScan *node);
static int
TidListCreate(List *evalList, ExprContext *econtext, ItemPointer *tidList)
{
- List *lst;
- ItemPointer itemptr;
+ List *lst;
+ ItemPointer itemptr;
bool isNull;
- int numTids = 0;
+ int numTids = 0;
- foreach (lst, evalList)
+ foreach(lst, evalList)
{
- itemptr = (ItemPointer)ExecEvalExpr(lfirst(lst), econtext,
- &isNull, (bool *)0);
+ itemptr = (ItemPointer) ExecEvalExpr(lfirst(lst), econtext,
+ &isNull, (bool *) 0);
if (itemptr && ItemPointerIsValid(itemptr))
{
tidList[numTids] = itemptr;
static TupleTableSlot *
TidNext(TidScan *node)
{
- EState *estate;
+ EState *estate;
CommonScanState *scanstate;
- TidScanState *tidstate;
- ScanDirection direction;
+ TidScanState *tidstate;
+ ScanDirection direction;
Snapshot snapshot;
Relation heapRelation;
HeapTuple tuple;
- TupleTableSlot *slot;
+ TupleTableSlot *slot;
Buffer buffer = InvalidBuffer;
- int numTids;
+ int numTids;
bool bBackward;
- int tidNumber;
- ItemPointer *tidList, itemptr;
+ int tidNumber;
+ ItemPointer *tidList,
+ itemptr;
/* ----------------
* extract necessary information from tid scan node
ExecClearTuple(slot);
if (estate->es_evTupleNull[node->scan.scanrelid - 1])
return slot; /* return empty slot */
-
+
/* probably ought to use ExecStoreTuple here... */
slot->val = estate->es_evTuple[node->scan.scanrelid - 1];
slot->ttc_shouldFree = false;
if (tuple->t_data != NULL)
{
bool prev_matches = false;
- int prev_tid;
+ int prev_tid;
/* ----------------
* store the scanned tuple in the scan tuple slot of
* were not created with palloc() and so should not be pfree()'d.
* ----------------
*/
- ExecStoreTuple(tuple, /* tuple to store */
- slot, /* slot to store in */
- buffer, /* buffer associated with tuple */
- false); /* don't pfree */
+ ExecStoreTuple(tuple, /* tuple to store */
+ slot,/* slot to store in */
+ buffer, /* buffer associated with tuple */
+ false); /* don't pfree */
/*
- * At this point we have an extra pin on the buffer,
- * because ExecStoreTuple incremented the pin count.
- * Drop our local pin.
- */
- ReleaseBuffer(buffer);
+ * At this point we have an extra pin on the buffer, because
+ * ExecStoreTuple incremented the pin count. Drop our local
+ * pin.
+ */
+ ReleaseBuffer(buffer);
+
/*
- * We must check to see if the current tuple would have
- * been matched by an earlier tid, so we don't double
- * report it. We do this by passing the tuple through
- * ExecQual and look for failure with all previous
- * qualifications.
+ * We must check to see if the current tuple would have been
+ * matched by an earlier tid, so we don't double report it. We
+ * do this by passing the tuple through ExecQual and look for
+ * failure with all previous qualifications.
*/
for (prev_tid = 0; prev_tid < tidstate->tss_TidPtr;
prev_tid++)
else
tidstate->tss_TidPtr++;
if (slot_is_valid)
- return slot;
+ return slot;
}
/* ----------------
* if we get here it means the tid scan failed so we
void
ExecTidReScan(TidScan *node, ExprContext *exprCtxt, Plan *parent)
{
- EState *estate;
- TidScanState *tidstate;
- ItemPointer *tidList;
+ EState *estate;
+ TidScanState *tidstate;
+ ItemPointer *tidList;
tidstate = node->tidstate;
estate = node->scan.plan.state;
}
tidstate->tss_NumTids = TidListCreate(node->tideval,
- node->scan.scanstate->cstate.cs_ExprContext,
+ node->scan.scanstate->cstate.cs_ExprContext,
tidList);
/* ----------------
ExecEndTidScan(TidScan *node)
{
CommonScanState *scanstate;
- TidScanState *tidstate;
+ TidScanState *tidstate;
scanstate = node->scan.scanstate;
tidstate = node->tidstate;
bool
ExecInitTidScan(TidScan *node, EState *estate, Plan *parent)
{
- TidScanState *tidstate;
+ TidScanState *tidstate;
CommonScanState *scanstate;
- ItemPointer *tidList;
- int numTids;
- int tidPtr;
- List *rangeTable;
- RangeTblEntry *rtentry;
- Oid relid;
- Oid reloid;
+ ItemPointer *tidList;
+ int numTids;
+ int tidPtr;
+ List *rangeTable;
+ RangeTblEntry *rtentry;
+ Oid relid;
+ Oid reloid;
Relation currentRelation;
- int baseid;
+ int baseid;
List *execParam = NULL;
* get the tid node information
* ----------------
*/
- tidList = (ItemPointer *)palloc(length(node->tideval) * sizeof(ItemPointer));
+ tidList = (ItemPointer *) palloc(length(node->tideval) * sizeof(ItemPointer));
numTids = 0;
if (!node->needRescan)
numTids = TidListCreate(node->tideval, scanstate->cstate.cs_ExprContext, tidList);
reloid = rtentry->relid;
currentRelation = heap_open(reloid, AccessShareLock);
- if (currentRelation == NULL)
- elog(ERROR, "ExecInitTidScan heap_open failed.");
+ if (currentRelation == NULL)
+ elog(ERROR, "ExecInitTidScan heap_open failed.");
scanstate->css_currentRelation = currentRelation;
scanstate->css_currentScanDesc = 0;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/executor/nodeUnique.c,v 1.27 2000/01/27 18:11:27 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/executor/nodeUnique.c,v 1.28 2000/04/12 17:15:10 momjian Exp $
*
*-------------------------------------------------------------------------
*/
uniquestate = node->uniquestate;
outerPlan = outerPlan((Plan *) node);
resultTupleSlot = uniquestate->cstate.cs_ResultTupleSlot;
- tupDesc = ExecGetResultType(& uniquestate->cstate);
+ tupDesc = ExecGetResultType(&uniquestate->cstate);
/* ----------------
* now loop, returning only non-duplicate tuples.
* another new tuple from the subplan.
* ----------------
*/
- if (! execTuplesMatch(slot->val, uniquestate->priorTuple,
- tupDesc,
- node->numCols, node->uniqColIdx,
- uniquestate->eqfunctions))
+ if (!execTuplesMatch(slot->val, uniquestate->priorTuple,
+ tupDesc,
+ node->numCols, node->uniqColIdx,
+ uniquestate->eqfunctions))
break;
}
/* ----------------
* We have a new tuple different from the previous saved tuple (if any).
- * Save it and return it. Note that we make two copies of the tuple:
+ * Save it and return it. Note that we make two copies of the tuple:
* one to keep for our own future comparisons, and one to return to the
* caller. We need to copy the tuple returned by the subplan to avoid
* holding buffer refcounts, and we need our own copy because the caller
* they never call ExecQual or ExecTargetList.
* ----------------
*/
- ExecAssignNodeBaseInfo(estate, & uniquestate->cstate, parent);
+ ExecAssignNodeBaseInfo(estate, &uniquestate->cstate, parent);
#define UNIQUE_NSLOTS 1
/* ------------
* Tuple table initialization
* ------------
*/
- ExecInitResultTupleSlot(estate, & uniquestate->cstate);
+ ExecInitResultTupleSlot(estate, &uniquestate->cstate);
/* ----------------
* then initialize outer plan
* projection info for this node appropriately
* ----------------
*/
- ExecAssignResultTypeFromOuterPlan((Plan *) node, & uniquestate->cstate);
+ ExecAssignResultTypeFromOuterPlan((Plan *) node, &uniquestate->cstate);
uniquestate->cstate.cs_ProjInfo = NULL;
/*
* Precompute fmgr lookup data for inner loop
*/
uniquestate->eqfunctions =
- execTuplesMatchPrepare(ExecGetResultType(& uniquestate->cstate),
+ execTuplesMatchPrepare(ExecGetResultType(&uniquestate->cstate),
node->numCols,
node->uniqColIdx);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/lib/dllist.c,v 1.16 2000/01/26 05:56:26 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/lib/dllist.c,v 1.17 2000/04/12 17:15:10 momjian Exp $
*
*-------------------------------------------------------------------------
*/
if (e->dle_prev)
e->dle_prev->dle_next = e->dle_next;
- else /* must be the head element */
+ else
+/* must be the head element */
{
Assert(e == l->dll_head);
l->dll_head = e->dle_next;
}
if (e->dle_next)
e->dle_next->dle_prev = e->dle_prev;
- else /* must be the tail element */
+ else
+/* must be the tail element */
{
Assert(e == l->dll_tail);
l->dll_tail = e->dle_prev;
if (e->dle_next)
e->dle_next->dle_prev = e->dle_prev;
- else /* must be the tail element */
+ else
+/* must be the tail element */
{
Assert(e == l->dll_tail);
l->dll_tail = e->dle_prev;
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: stringinfo.c,v 1.24 2000/01/26 05:56:26 momjian Exp $
+ * $Id: stringinfo.c,v 1.25 2000/04/12 17:15:11 momjian Exp $
*
*-------------------------------------------------------------------------
*/
str->data = (char *) repalloc(str->data, newlen);
if (str->data == NULL)
elog(ERROR,
- "enlargeStringInfo: Out of memory (%d bytes requested)", newlen);
+ "enlargeStringInfo: Out of memory (%d bytes requested)", newlen);
str->maxlen = newlen;
}
nprinted = vsnprintf(str->data + str->len, avail,
fmt, args);
va_end(args);
+
/*
* Note: some versions of vsnprintf return the number of chars
- * actually stored, but at least one returns -1 on failure.
- * Be conservative about believing whether the print worked.
+ * actually stored, but at least one returns -1 on failure. Be
+ * conservative about believing whether the print worked.
*/
- if (nprinted >= 0 && nprinted < avail-1)
+ if (nprinted >= 0 && nprinted < avail - 1)
{
/* Success. Note nprinted does not include trailing null. */
str->len += nprinted;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/libpq/auth.c,v 1.43 2000/01/26 05:56:28 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/libpq/auth.c,v 1.44 2000/04/12 17:15:13 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static int checkPassword(Port *port, char *user, char *password);
static int old_be_recvauth(Port *port);
static int map_old_to_new(Port *port, UserAuth old, int status);
-static void auth_failed(Port *port);
+static void auth_failed(Port *port);
#ifdef KRB4
pg_krb4_recvauth(Port *port)
{
snprintf(PQerrormsg, PQERRORMSG_LENGTH,
- "pg_krb4_recvauth: Kerberos not implemented on this server.\n");
+ "pg_krb4_recvauth: Kerberos not implemented on this server.\n");
fputs(PQerrormsg, stderr);
pqdebug("%s", PQerrormsg);
* an error message into the postmaster logfile if it failed.
*/
- if (hba_getauthmethod(port) != STATUS_OK)
+ if (hba_getauthmethod(port) != STATUS_OK)
PacketSendError(&port->pktInfo,
"Missing or erroneous pg_hba.conf file, see postmaster log for details");
AuthRequest areq = AUTH_REQ_OK;
PacketDoneProc auth_handler = NULL;
+
switch (port->auth_method)
{
case uaReject:
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: be-dumpdata.c,v 1.32 2000/01/26 05:56:28 momjian Exp $
+ * $Id: be-dumpdata.c,v 1.33 2000/04/12 17:15:14 momjian Exp $
*
*-------------------------------------------------------------------------
*/
for (i = 0; i < natts; ++i)
{
strncpy(group->types[i].name,
- NameStr(attrs[i]->attname), NAMEDATALEN);
+ NameStr(attrs[i]->attname), NAMEDATALEN);
group->types[i].typid = attrs[i]->atttypid;
group->types[i].typlen = attrs[i]->attlen;
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/libpq/be-fsstubs.c,v 1.43 2000/01/26 05:56:28 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/libpq/be-fsstubs.c,v 1.44 2000/04/12 17:15:14 momjian Exp $
*
* NOTES
* This should be moved to a more appropriate place. It is here
*
* These functions operate in a private GlobalMemoryContext, which means
* that large object descriptors hang around until we destroy the context.
- * That happens in lo_commit(). It'd be possible to prolong the lifetime
+ * That happens in lo_commit(). It'd be possible to prolong the lifetime
* of the context so that LO FDs are good across transactions (for example,
* we could release the context only if we see that no FDs remain open).
* But we'd need additional state in order to do the right thing at the
}
/*
- * We assume we do not need to switch contexts for inv_tell.
- * That is true for now, but is probably more than this module
- * ought to assume...
+ * We assume we do not need to switch contexts for inv_tell. That is
+ * true for now, but is probably more than this module ought to
+ * assume...
*/
return inv_tell(cookies[fd]);
}
int
lo_unlink(Oid lobjId)
{
+
/*
- * inv_drop does not need a context switch, indeed it doesn't
- * touch any LO-specific data structures at all. (Again, that's
- * probably more than this module ought to be assuming.)
+ * inv_drop does not need a context switch, indeed it doesn't touch
+ * any LO-specific data structures at all. (Again, that's probably
+ * more than this module ought to be assuming.)
*
* XXX there ought to be some code to clean up any open LOs that
* reference the specified relation... as is, they remain "open".
/*
* open the file to be written to
*
- * Note: we reduce backend's normal 077 umask to the slightly
- * friendlier 022. This code used to drop it all the way to 0,
- * but creating world-writable export files doesn't seem wise.
+ * Note: we reduce backend's normal 077 umask to the slightly friendlier
+ * 022. This code used to drop it all the way to 0, but creating
+ * world-writable export files doesn't seem wise.
*/
nbytes = VARSIZE(filename) - VARHDRSZ + 1;
if (nbytes > FNAME_BUFSIZE)
currentContext = MemoryContextSwitchTo((MemoryContext) fscxt);
- /* Clean out still-open index scans (not necessary if aborting)
- * and clear cookies array so that LO fds are no longer good.
+ /*
+ * Clean out still-open index scans (not necessary if aborting) and
+ * clear cookies array so that LO fds are no longer good.
*/
for (i = 0; i < MAX_LOBJ_FDS; i++)
{
* wherein you authenticate a user by seeing what IP address the system
* says he comes from and possibly using ident).
*
- * $Id: hba.c,v 1.50 2000/03/17 02:36:08 tgl Exp $
+ * $Id: hba.c,v 1.51 2000/04/12 17:15:14 momjian Exp $
*
*-------------------------------------------------------------------------
*/
*/
if ((strcmp(db, port->database) != 0 && strcmp(db, "all") != 0 &&
- (strcmp(db, "sameuser") != 0 || strcmp(port->database, port->user) != 0)) ||
- port->raddr.sa.sa_family != AF_UNIX)
+ (strcmp(db, "sameuser") != 0 || strcmp(port->database, port->user) != 0)) ||
+ port->raddr.sa.sa_family != AF_UNIX)
return;
}
else if (strcmp(buf, "host") == 0 || strcmp(buf, "hostssl") == 0)
{
struct in_addr file_ip_addr,
mask;
- bool discard = 0; /* Discard this entry */
+ bool discard = 0;/* Discard this entry */
#ifdef USE_SSL
/* If SSL, then check that we are on SSL */
- if (strcmp(buf, "hostssl") == 0) {
- if (!port->ssl)
- discard = 1;
-
- /* Placeholder to require specific SSL level, perhaps? */
- /* Or a client certificate */
-
- /* Since we were on SSL, proceed as with normal 'host' mode */
+ if (strcmp(buf, "hostssl") == 0)
+ {
+ if (!port->ssl)
+ discard = 1;
+
+ /* Placeholder to require specific SSL level, perhaps? */
+ /* Or a client certificate */
+
+ /* Since we were on SSL, proceed as with normal 'host' mode */
}
#else
/* If not SSL, we don't support this */
- if (strcmp(buf,"hostssl") == 0)
- goto syntax;
+ if (strcmp(buf, "hostssl") == 0)
+ goto syntax;
#endif
/* Get the database. */
* "out of sync" with the file.
*/
if (discard)
- return;
+ return;
/*
* If this record isn't for our database, or this is the wrong
*/
if ((strcmp(db, port->database) != 0 && strcmp(db, "all") != 0 &&
- (strcmp(db, "sameuser") != 0 || strcmp(port->database, port->user) != 0)) ||
- port->raddr.sa.sa_family != AF_INET ||
+ (strcmp(db, "sameuser") != 0 || strcmp(port->database, port->user) != 0)) ||
+ port->raddr.sa.sa_family != AF_INET ||
((file_ip_addr.s_addr ^ port->raddr.in.sin_addr.s_addr) & mask.s_addr) != 0x0000)
return;
}
/* If no matching entry was found, synthesize 'reject' entry. */
if (!found_entry)
- port->auth_method = uaReject;
+ port->auth_method = uaReject;
*hba_ok_p = true;
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/libpq/Attic/portalbuf.c,v 1.23 2000/03/17 02:36:08 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/libpq/Attic/portalbuf.c,v 1.24 2000/04/12 17:15:14 momjian Exp $
*
*-------------------------------------------------------------------------
*/
portals = newp;
else
libpq_raise(&PortalError,
- vararg_format("Cannot alloc more memory in portals_realloc"));
+ vararg_format("Cannot alloc more memory in portals_realloc"));
for (i = oldsize; i < (int) portals_array_size; i++)
portals[i] = (PortalEntry *) NULL;
if (group == NULL)
libpq_raise(&PortalError,
- vararg_format("Group index %d out of bound.", group_index));
+ vararg_format("Group index %d out of bound.", group_index));
return group;
}
return i;
libpq_raise(&PortalError,
- vararg_format("Field-name %s does not exist.", field_name));
+ vararg_format("Field-name %s does not exist.", field_name));
/* not reached, here to make compiler happy */
return 0;
{
if (field_number < 0 || field_number >= group->no_fields)
libpq_raise(&PortalError,
- vararg_format("Field number %d out of bound.", field_number));
+ vararg_format("Field number %d out of bound.", field_number));
}
/* --------------------------------
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pqcomm.c,v 1.87 2000/01/26 05:56:29 momjian Exp $
+ * $Id: pqcomm.c,v 1.88 2000/04/12 17:15:14 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include "libpq/libpq.h"
-#include "utils/trace.h" /* needed for HAVE_FCNTL_SETLK */
+#include "utils/trace.h" /* needed for HAVE_FCNTL_SETLK */
#include "miscadmin.h"
{
snprintf(PQerrormsg, PQERRORMSG_LENGTH,
"FATAL: StreamServerPort: bind() failed: %s\n"
- "\tIs another postmaster already running on that port?\n",
+ "\tIs another postmaster already running on that port?\n",
strerror(errno));
if (family == AF_UNIX)
snprintf(PQerrormsg + strlen(PQerrormsg),
for (;;)
{
int r;
-
+
#ifdef USE_SSL
if (MyProcPort->ssl)
- r = SSL_read(MyProcPort->ssl, PqRecvBuffer + PqRecvLength,
- PQ_BUFFER_SIZE - PqRecvLength);
+ r = SSL_read(MyProcPort->ssl, PqRecvBuffer + PqRecvLength,
+ PQ_BUFFER_SIZE - PqRecvLength);
else
#endif
- r = recv(MyProcPort->sock, PqRecvBuffer + PqRecvLength,
- PQ_BUFFER_SIZE - PqRecvLength, 0);
+ r = recv(MyProcPort->sock, PqRecvBuffer + PqRecvLength,
+ PQ_BUFFER_SIZE - PqRecvLength, 0);
if (r < 0)
{
/* Read until we get the terminating '\0' */
while ((c = pq_getbyte()) != EOF && c != '\0')
- {
appendStringInfoChar(s, c);
- }
if (c == EOF)
return EOF;
while (bufptr < bufend)
{
int r;
+
#ifdef USE_SSL
if (MyProcPort->ssl)
- r = SSL_write(MyProcPort->ssl, bufptr, bufend - bufptr);
+ r = SSL_write(MyProcPort->ssl, bufptr, bufend - bufptr);
else
#endif
- r = send(MyProcPort->sock, bufptr, bufend - bufptr, 0);
+ r = send(MyProcPort->sock, bufptr, bufend - bufptr, 0);
if (r <= 0)
{
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pqformat.c,v 1.12 2000/01/26 05:56:29 momjian Exp $
+ * $Id: pqformat.c,v 1.13 2000/04/12 17:15:14 momjian Exp $
*
*-------------------------------------------------------------------------
*/
pq_sendstring(StringInfo buf, const char *str)
{
int slen = strlen(str);
+
#ifdef MULTIBYTE
char *p;
pq_puttextmessage(char msgtype, const char *str)
{
int slen = strlen(str);
+
#ifdef MULTIBYTE
char *p;
p = (char *) pg_server_to_client((unsigned char *) str, slen);
if (p != str) /* actual conversion has been done? */
{
- int result = pq_putmessage(msgtype, p, strlen(p) + 1);
+ int result = pq_putmessage(msgtype, p, strlen(p) + 1);
+
pfree(p);
return result;
}
pq_getstr(StringInfo s)
{
int result;
+
#ifdef MULTIBYTE
char *p;
+
#endif
result = pq_getstring(s);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/libpq/Attic/pqpacket.c,v 1.25 2000/03/19 22:10:07 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/libpq/Attic/pqpacket.c,v 1.26 2000/04/12 17:15:14 momjian Exp $
*
*-------------------------------------------------------------------------
*/
PacketReceiveFragment(Port *port)
{
int got;
- Packet *pkt = &port->pktInfo;
+ Packet *pkt = &port->pktInfo;
#ifdef USE_SSL
- if (port->ssl)
- got = SSL_read(port->ssl, pkt->ptr, pkt->nrtodo);
+ if (port->ssl)
+ got = SSL_read(port->ssl, pkt->ptr, pkt->nrtodo);
else
#endif
- got = read(port->sock, pkt->ptr, pkt->nrtodo);
+ got = read(port->sock, pkt->ptr, pkt->nrtodo);
if (got > 0)
{
- pkt->nrtodo -= got;
+ pkt->nrtodo -= got;
pkt->ptr += got;
/* See if we have got what we need for the packet length. */
PacketSendFragment(Port *port)
{
int done;
- Packet *pkt = &port->pktInfo;
+ Packet *pkt = &port->pktInfo;
#ifdef USE_SSL
- if (port->ssl)
- done = SSL_write(port->ssl, pkt->ptr, pkt->nrtodo);
+ if (port->ssl)
+ done = SSL_write(port->ssl, pkt->ptr, pkt->nrtodo);
else
#endif
- done = write(port->sock, pkt->ptr, pkt->nrtodo);
+ done = write(port->sock, pkt->ptr, pkt->nrtodo);
if (done > 0)
{
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.112 2000/04/08 00:21:15 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.113 2000/04/12 17:15:16 momjian Exp $
*
*-------------------------------------------------------------------------
*/
*/
if (from->plan.subPlan != NIL)
newnode->plan.subPlan = nconc(newnode->plan.subPlan,
- pull_subplans(newnode->resconstantqual));
+ pull_subplans(newnode->resconstantqual));
return newnode;
}
if (from->scan.plan.subPlan != NIL)
{
newnode->scan.plan.subPlan = nconc(newnode->scan.plan.subPlan,
- pull_subplans((Node *) newnode->indxqual));
+ pull_subplans((Node *) newnode->indxqual));
newnode->scan.plan.subPlan = nconc(newnode->scan.plan.subPlan,
- pull_subplans((Node *) newnode->indxqualorig));
+ pull_subplans((Node *) newnode->indxqualorig));
}
return newnode;
}
/* ----------------
- * _copyTidScan
+ * _copyTidScan
* ----------------
*/
static TidScan *
_copyTidScan(TidScan *from)
{
- TidScan *newnode = makeNode(TidScan);
+ TidScan *newnode = makeNode(TidScan);
/* ----------------
- * copy node superclass fields
+ * copy node superclass fields
* ----------------
*/
CopyPlanFields((Plan *) from, (Plan *) newnode);
return newnode;
}
-
+
/* ----------------
* CopyJoinFields
*
*/
if (from->join.subPlan != NIL)
newnode->join.subPlan = nconc(newnode->join.subPlan,
- pull_subplans((Node *) newnode->mergeclauses));
+ pull_subplans((Node *) newnode->mergeclauses));
return newnode;
}
*/
if (from->join.subPlan != NIL)
newnode->join.subPlan = nconc(newnode->join.subPlan,
- pull_subplans((Node *) newnode->hashclauses));
+ pull_subplans((Node *) newnode->hashclauses));
return newnode;
}
newnode->usenulls = from->usenulls;
newnode->aggstar = from->aggstar;
newnode->aggdistinct = from->aggdistinct;
- newnode->aggno = from->aggno; /* probably not needed */
+ newnode->aggno = from->aggno; /* probably not needed */
return newnode;
}
static RelabelType *
_copyRelabelType(RelabelType *from)
{
- RelabelType *newnode = makeNode(RelabelType);
+ RelabelType *newnode = makeNode(RelabelType);
/* ----------------
* copy remainder of node
static void
CopyPathFields(Path *from, Path *newnode)
{
+
/*
* Modify the next line, since it causes the copying to cycle (i.e.
* the parent points right back here! -- JMH, 7/7/92. Old version:
}
/* ----------------
- * _copyTidPath
+ * _copyTidPath
* ----------------
*/
static TidPath *
_copyTidPath(TidPath *from)
{
- TidPath *newnode = makeNode(TidPath);
+ TidPath *newnode = makeNode(TidPath);
/* ----------------
* copy the node superclass fields
return newnode;
}
+
/* ----------------
* CopyJoinPathFields
*
static PathKeyItem *
_copyPathKeyItem(PathKeyItem *from)
{
- PathKeyItem *newnode = makeNode(PathKeyItem);
+ PathKeyItem *newnode = makeNode(PathKeyItem);
/* ----------------
* copy remainder of node
/*
* We do not copy the planner internal fields: base_rel_list,
- * join_rel_list, equi_key_list, query_pathkeys.
- * Not entirely clear if this is right?
+ * join_rel_list, equi_key_list, query_pathkeys. Not entirely clear if
+ * this is right?
*/
return newnode;
static ClosePortalStmt *
_copyClosePortalStmt(ClosePortalStmt *from)
{
- ClosePortalStmt *newnode = makeNode(ClosePortalStmt);
+ ClosePortalStmt *newnode = makeNode(ClosePortalStmt);
if (from->portalname)
newnode->portalname = pstrdup(from->portalname);
static TruncateStmt *
_copyTruncateStmt(TruncateStmt *from)
{
- TruncateStmt *newnode = makeNode(TruncateStmt);
+ TruncateStmt *newnode = makeNode(TruncateStmt);
newnode->relName = pstrdup(from->relName);
static NotifyStmt *
_copyNotifyStmt(NotifyStmt *from)
{
- NotifyStmt *newnode = makeNode(NotifyStmt);
+ NotifyStmt *newnode = makeNode(NotifyStmt);
if (from->relname)
newnode->relname = pstrdup(from->relname);
static ListenStmt *
_copyListenStmt(ListenStmt *from)
{
- ListenStmt *newnode = makeNode(ListenStmt);
+ ListenStmt *newnode = makeNode(ListenStmt);
if (from->relname)
newnode->relname = pstrdup(from->relname);
static UnlistenStmt *
_copyUnlistenStmt(UnlistenStmt *from)
{
- UnlistenStmt *newnode = makeNode(UnlistenStmt);
+ UnlistenStmt *newnode = makeNode(UnlistenStmt);
if (from->relname)
newnode->relname = pstrdup(from->relname);
static TransactionStmt *
_copyTransactionStmt(TransactionStmt *from)
{
- TransactionStmt *newnode = makeNode(TransactionStmt);
+ TransactionStmt *newnode = makeNode(TransactionStmt);
newnode->command = from->command;
static LoadStmt *
_copyLoadStmt(LoadStmt *from)
{
- LoadStmt *newnode = makeNode(LoadStmt);
+ LoadStmt *newnode = makeNode(LoadStmt);
if (from->filename)
newnode->filename = pstrdup(from->filename);
static VariableSetStmt *
_copyVariableSetStmt(VariableSetStmt *from)
{
- VariableSetStmt *newnode = makeNode(VariableSetStmt);
+ VariableSetStmt *newnode = makeNode(VariableSetStmt);
if (from->name)
newnode->name = pstrdup(from->name);
static VariableResetStmt *
_copyVariableResetStmt(VariableResetStmt *from)
{
- VariableResetStmt *newnode = makeNode(VariableResetStmt);
+ VariableResetStmt *newnode = makeNode(VariableResetStmt);
if (from->name)
newnode->name = pstrdup(from->name);
static LockStmt *
_copyLockStmt(LockStmt *from)
{
- LockStmt *newnode = makeNode(LockStmt);
+ LockStmt *newnode = makeNode(LockStmt);
if (from->relname)
newnode->relname = pstrdup(from->relname);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.65 2000/03/22 22:08:32 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.66 2000/04/12 17:15:16 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static bool
_equalExpr(Expr *a, Expr *b)
{
- /* We do not examine typeOid, since the optimizer often doesn't
- * bother to set it in created nodes, and it is logically a
- * derivative of the oper field anyway.
+
+ /*
+ * We do not examine typeOid, since the optimizer often doesn't bother
+ * to set it in created nodes, and it is logically a derivative of the
+ * oper field anyway.
*/
if (a->opType != b->opType)
return false;
return false;
if (a->opresulttype != b->opresulttype)
return false;
- /* We do not examine opid, opsize, or op_fcache, since these are
+
+ /*
+ * We do not examine opid, opsize, or op_fcache, since these are
* logically derived from opno, and they may not be set yet depending
* on how far along the node is in the parse/plan pipeline.
*
if (a->constbyval != b->constbyval)
return false;
/* XXX What about constisset and constiscast? */
+
/*
- * We treat all NULL constants of the same type as equal.
- * Someday this might need to change? But datumIsEqual
- * doesn't work on nulls, so...
+ * We treat all NULL constants of the same type as equal. Someday this
+ * might need to change? But datumIsEqual doesn't work on nulls,
+ * so...
*/
if (a->constisnull)
return true;
static bool
_equalRelOptInfo(RelOptInfo *a, RelOptInfo *b)
{
- /* We treat RelOptInfos as equal if they refer to the same base rels
+
+ /*
+ * We treat RelOptInfos as equal if they refer to the same base rels
* joined in the same order. Is this sufficient?
*/
return equali(a->relids, b->relids);
static bool
_equalIndexOptInfo(IndexOptInfo *a, IndexOptInfo *b)
{
- /* We treat IndexOptInfos as equal if they refer to the same index.
- * Is this sufficient?
+
+ /*
+ * We treat IndexOptInfos as equal if they refer to the same index. Is
+ * this sufficient?
*/
if (a->indexoid != b->indexoid)
return false;
return false;
if (!equal(a->parent, b->parent))
return false;
- /* do not check path costs, since they may not be set yet, and being
+
+ /*
+ * do not check path costs, since they may not be set yet, and being
* float values there are roundoff error issues anyway...
*/
if (!equal(a->pathkeys, b->pathkeys))
return false;
if (!equali(a->joinrelids, b->joinrelids))
return false;
- /* Skip 'rows' because of possibility of floating-point roundoff error.
- * It should be derivable from the other fields anyway.
+
+ /*
+ * Skip 'rows' because of possibility of floating-point roundoff
+ * error. It should be derivable from the other fields anyway.
*/
return true;
}
/* XXX This equality function is a quick hack, should be
* fixed to compare all fields.
*
- * XXX Why is this even here? We don't have equal() funcs for
- * any other kinds of Plan nodes... likely this is dead code...
+ * XXX Why is this even here? We don't have equal() funcs for
+ * any other kinds of Plan nodes... likely this is dead code...
*/
static bool
_equalIndexScan(IndexScan *a, IndexScan *b)
{
+
/*
* if(a->scan.plan.cost != b->scan.plan.cost) return(false);
*/
/*
* We do not check the internal-to-the-planner fields: base_rel_list,
- * join_rel_list, equi_key_list, query_pathkeys.
- * They might not be set yet, and in any case they should be derivable
- * from the other fields.
+ * join_rel_list, equi_key_list, query_pathkeys. They might not be set
+ * yet, and in any case they should be derivable from the other
+ * fields.
*/
return true;
}
List *lb = (List *) b;
List *l;
- /* Try to reject by length check before we grovel through
+ /*
+ * Try to reject by length check before we grovel through
* all the elements...
*/
if (length(la) != length(lb))
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/nodes/Attic/freefuncs.c,v 1.39 2000/03/14 23:06:28 thomas Exp $
+ * $Header: /cvsroot/pgsql/src/backend/nodes/Attic/freefuncs.c,v 1.40 2000/04/12 17:15:16 momjian Exp $
*
*-------------------------------------------------------------------------
*/
freeObject(node->targetlist);
freeObject(node->pathlist);
- /* XXX is this right? cheapest-path fields will typically be pointers
+
+ /*
+ * XXX is this right? cheapest-path fields will typically be pointers
* into pathlist, not separate structs...
*/
freeObject(node->cheapest_startup_path);
{
freeObject(node->outerjoinpath);
freeObject(node->innerjoinpath);
- /* XXX probably wrong, since ordinarily a JoinPath would share its
+
+ /*
+ * XXX probably wrong, since ordinarily a JoinPath would share its
* restrictinfo list with other paths made for the same join?
*/
freeObject(node->joinrestrictinfo);
* ----------------
*/
freeObject(node->clause);
- /* this is certainly wrong? IndexOptInfos don't belong to
+
+ /*
+ * this is certainly wrong? IndexOptInfos don't belong to
* RestrictInfo...
*/
freeObject(node->subclauseindices);
{
switch (node->type)
{
- case T_Float:
- case T_String:
+ case T_Float:
+ case T_String:
pfree(node->val.str);
break;
default:
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/nodes/list.c,v 1.30 2000/02/21 18:47:00 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/nodes/list.c,v 1.31 2000/04/12 17:15:16 momjian Exp $
*
* NOTES
* XXX a few of the following functions are duplicated to handle
* freeList
*
* Free the List nodes of a list
- * The pointed-to nodes, if any, are NOT freed.
- * This works for integer lists too.
- *
+ * The pointed-to nodes, if any, are NOT freed.
+ * This works for integer lists too.
+ *
*/
void
freeList(List *list)
foreach(i, l2)
{
- if (! member(lfirst(i), retval))
+ if (!member(lfirst(i), retval))
retval = lappend(retval, lfirst(i));
}
return retval;
foreach(i, l2)
{
- if (! intMember(lfirsti(i), retval))
+ if (!intMember(lfirsti(i), retval))
retval = lappendi(retval, lfirsti(i));
}
return retval;
List *
ltruncate(int n, List *list)
{
- List *ptr;
+ List *ptr;
if (n <= 0)
return NIL; /* truncate to zero length */
foreach(i, l1)
{
- if (! member(lfirst(i), l2))
+ if (!member(lfirst(i), l2))
result = lappend(result, lfirst(i));
}
return result;
foreach(i, l1)
{
- if (! intMember(lfirsti(i), l2))
+ if (!intMember(lfirsti(i), l2))
result = lappendi(result, lfirsti(i));
}
return result;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/nodes/makefuncs.c,v 1.20 2000/02/15 03:37:09 thomas Exp $
+ * $Header: /cvsroot/pgsql/src/backend/nodes/makefuncs.c,v 1.21 2000/04/12 17:15:16 momjian Exp $
*
* NOTES
* Creator functions in POSTGRES 4.2 are generated automatically. Most of
var->vartype = vartype;
var->vartypmod = vartypmod;
var->varlevelsup = varlevelsup;
+
/*
- * Since few if any routines ever create Var nodes with varnoold/varoattno
- * different from varno/varattno, we don't provide separate arguments
- * for them, but just initialize them to the given varno/varattno.
- * This reduces code clutter and chance of error for most callers.
+ * Since few if any routines ever create Var nodes with
+ * varnoold/varoattno different from varno/varattno, we don't provide
+ * separate arguments for them, but just initialize them to the given
+ * varno/varattno. This reduces code clutter and chance of error for
+ * most callers.
*/
var->varnoold = varno;
var->varoattno = varattno;
resdom->restype = restype;
resdom->restypmod = restypmod;
resdom->resname = resname;
- /* For historical reasons, ressortgroupref defaults to 0 while
+
+ /*
+ * For historical reasons, ressortgroupref defaults to 0 while
* reskey/reskeyop are passed in explicitly. This is pretty silly.
*/
resdom->ressortgroupref = 0;
return a;
}
-
-
-
-
-
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/nodes/nodes.c,v 1.12 2000/01/26 05:56:31 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/nodes/nodes.c,v 1.13 2000/04/12 17:15:16 momjian Exp $
*
* HISTORY
* Andrew Yu Oct 20, 1994 file creation
{
Node *newNode;
- Assert(size >= sizeof(Node)); /* need the tag, at least */
+ Assert(size >= sizeof(Node)); /* need the tag, at least */
newNode = (Node *) palloc(size);
MemSet((char *) newNode, 0, size);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.113 2000/03/24 02:58:25 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.114 2000/04/12 17:15:16 momjian Exp $
*
* NOTES
* Every (plan) node in POSTGRES has an associated "out" routine which
appendStringInfo(str, "<>");
return;
}
+
/*
* Look for characters or patterns that are treated specially by
- * read.c (either in lsptok() or in nodeRead()), and therefore need
- * a protective backslash.
+ * read.c (either in lsptok() or in nodeRead()), and therefore need a
+ * protective backslash.
*/
/* These characters only need to be quoted at the start of the string */
if (*s == '<' ||
_outToken(str, node->into);
appendStringInfo(str,
- " :isPortal %s :isBinary %s :isTemp %s :unionall %s :distinctClause ",
+ " :isPortal %s :isBinary %s :isTemp %s :unionall %s :distinctClause ",
node->isPortal ? "true" : "false",
node->isBinary ? "true" : "false",
node->isTemp ? "true" : "false",
_outResdom(StringInfo str, Resdom *node)
{
appendStringInfo(str,
- " RESDOM :resno %d :restype %u :restypmod %d :resname ",
+ " RESDOM :resno %d :restype %u :restypmod %d :resname ",
node->resno,
node->restype,
node->restypmod);
_outIntList(str, node->relids);
appendStringInfo(str,
- " :rows %.0f :width %d :indexed %s :pages %ld :tuples %.0f :targetlist ",
+ " :rows %.0f :width %d :indexed %s :pages %ld :tuples %.0f :targetlist ",
node->rows,
node->width,
node->indexed ? "true" : "false",
appendStringInfo(str, " :ref ");
_outNode(str, node->ref);
appendStringInfo(str,
- " :relid %u :inh %s :inFromCl %s :inJoinSet %s :skipAcl %s",
+ " :relid %u :inh %s :inFromCl %s :inJoinSet %s :skipAcl %s",
node->relid,
node->inh ? "true" : "false",
node->inFromCl ? "true" : "false",
_outPath(StringInfo str, Path *node)
{
appendStringInfo(str,
- " PATH :pathtype %d :startup_cost %.2f :total_cost %.2f :pathkeys ",
+ " PATH :pathtype %d :startup_cost %.2f :total_cost %.2f :pathkeys ",
node->pathtype,
node->startup_cost,
node->total_cost);
{
switch (value->type)
{
- case T_Integer:
+ case T_Integer:
appendStringInfo(str, " %ld ", value->val.ival);
break;
case T_Float:
- /* We assume the value is a valid numeric literal
- * and so does not need quoting.
+
+ /*
+ * We assume the value is a valid numeric literal and so does
+ * not need quoting.
*/
appendStringInfo(str, " %s ", value->val.str);
break;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/nodes/print.c,v 1.37 2000/02/15 20:49:12 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/nodes/print.c,v 1.38 2000/04/12 17:15:16 momjian Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
rt = rt_fetch(var->varno, rtable);
relname = rt->relname;
if (rt->ref && rt->ref->relname)
- relname = rt->ref->relname; /* table renamed */
+ relname = rt->ref->relname; /* table renamed */
attname = get_attname(rt->relid, var->varattno);
}
break;
printf("(");
foreach(k, pathkey)
{
- PathKeyItem *item = lfirst(k);
+ PathKeyItem *item = lfirst(k);
print_expr(item->key, rtable);
if (lnext(k))
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/nodes/read.c,v 1.21 2000/02/21 18:47:00 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/nodes/read.c,v 1.22 2000/04/12 17:15:16 momjian Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
* (Pass length==NULL to set the string without reading its first token.)
*
* The rules for tokens are:
- * * Whitespace (space, tab, newline) always separates tokens.
- * * The characters '(', ')', '{', '}' form individual tokens even
- * without any whitespace around them.
- * * Otherwise, a token is all the characters up to the next whitespace
- * or occurrence of one of the four special characters.
- * * A backslash '\' can be used to quote whitespace or one of the four
- * special characters, so that it is treated as a plain token character.
- * Backslashes themselves must also be backslashed for consistency.
- * Any other character can be, but need not be, backslashed as well.
- * * If the resulting token is '<>' (with no backslash), it is returned
- * as a non-NULL pointer to the token but with length == 0. Note that
- * there is no other way to get a zero-length token.
+ * * Whitespace (space, tab, newline) always separates tokens.
+ * * The characters '(', ')', '{', '}' form individual tokens even
+ * without any whitespace around them.
+ * * Otherwise, a token is all the characters up to the next whitespace
+ * or occurrence of one of the four special characters.
+ * * A backslash '\' can be used to quote whitespace or one of the four
+ * special characters, so that it is treated as a plain token character.
+ * Backslashes themselves must also be backslashed for consistency.
+ * Any other character can be, but need not be, backslashed as well.
+ * * If the resulting token is '<>' (with no backslash), it is returned
+ * as a non-NULL pointer to the token but with length == 0. Note that
+ * there is no other way to get a zero-length token.
*
* Returns a pointer to the start of the next token, and the length of the
- * token (including any embedded backslashes!) in *length. If there are
+ * token (including any embedded backslashes!) in *length. If there are
* no more tokens, NULL and 0 are returned.
*
* NOTE: this routine doesn't remove backslashes; the caller must do so
* if necessary (see "debackslash").
*
* NOTE: prior to release 7.0, this routine also had a special case to treat
- * a token starting with '"' as extending to the next '"'. This code was
+ * a token starting with '"' as extending to the next '"'. This code was
* broken, however, since it would fail to cope with a string containing an
* embedded '"'. I have therefore removed this special case, and instead
- * introduced rules for using backslashes to quote characters. Higher-level
+ * introduced rules for using backslashes to quote characters. Higher-level
* code should add backslashes to a string constant to ensure it is treated
* as a single token.
*/
char *
debackslash(char *token, int length)
{
- char *result = palloc(length+1);
- char *ptr = result;
+ char *result = palloc(length + 1);
+ char *ptr = result;
while (length > 0)
{
if ((numlen > 0 && isdigit(*numptr)) ||
(numlen > 1 && *numptr == '.' && isdigit(numptr[1])))
{
+
/*
- * Yes. Figure out whether it is integral or float;
- * this requires both a syntax check and a range check.
- * strtol() can do both for us.
- * We know the token will end at a character that strtol will
+ * Yes. Figure out whether it is integral or float; this requires
+ * both a syntax check and a range check. strtol() can do both for
+ * us. We know the token will end at a character that strtol will
* stop at, so we do not need to modify the string.
*/
errno = 0;
(void) strtol(token, &endptr, 10);
- if (endptr != token+length || errno == ERANGE)
+ if (endptr != token + length || errno == ERANGE)
return T_Float;
return T_Integer;
}
+
/*
- * these three cases do not need length checks, since lsptok()
- * will always treat them as single-byte tokens
+ * these three cases do not need length checks, since lsptok() will
+ * always treat them as single-byte tokens
*/
else if (*token == '(')
retval = LEFT_PAREN;
retval = PLAN_SYM;
else if (*token == '@' && length == 1)
retval = AT_SYMBOL;
- else if (*token == '\"' && length > 1 && token[length-1] == '\"')
+ else if (*token == '\"' && length > 1 && token[length - 1] == '\"')
retval = T_String;
else
retval = ATOM_TOKEN;
* Slightly higher-level reader.
*
* This routine applies some semantic knowledge on top of the purely
- * lexical tokenizer lsptok(). It can read
+ * lexical tokenizer lsptok(). It can read
* * Value token nodes (integers, floats, or strings);
- * * Plan nodes (via parsePlanString() from readfuncs.c);
- * * Lists of the above.
+ * * Plan nodes (via parsePlanString() from readfuncs.c);
+ * * Lists of the above.
*
* Secrets: He assumes that lsptok already has the string (see above).
* Any callers should set read_car_only to true.
{
/* must be "<>" */
this_value = NULL;
+
/*
* It might be NULL but it is an atom!
*/
}
break;
case T_Integer:
- /* we know that the token terminates on a char atol will stop at */
+
+ /*
+ * we know that the token terminates on a char atol will stop
+ * at
+ */
this_value = (Node *) makeInteger(atol(token));
make_dotted_pair_cell = true;
break;
case T_Float:
{
- char *fval = (char *) palloc(tok_len + 1);
+ char *fval = (char *) palloc(tok_len + 1);
memcpy(fval, token, tok_len);
fval[tok_len] = '\0';
break;
case T_String:
/* need to remove leading and trailing quotes, and backslashes */
- this_value = (Node *) makeString(debackslash(token+1, tok_len-2));
+ this_value = (Node *) makeString(debackslash(token + 1, tok_len - 2));
make_dotted_pair_cell = true;
break;
default:
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.87 2000/03/22 22:08:32 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.88 2000/04/12 17:15:17 momjian Exp $
*
* NOTES
* Most of the read functions for plan nodes are tested. (In fact, they
static TidScan *
_readTidScan()
{
- TidScan *local_node;
+ TidScan *local_node;
char *token;
int length;
local_node->needRescan = atoi(token);
token = lsptok(NULL, &length); /* eat :tideval */
- local_node->tideval = nodeRead(true); /* now read it */
+ local_node->tideval = nodeRead(true); /* now read it */
return local_node;
}
local_node->pathlist = nodeRead(true); /* now read it */
token = lsptok(NULL, &length); /* get :cheapest_startup_path */
- local_node->cheapest_startup_path = nodeRead(true); /* now read it */
+ local_node->cheapest_startup_path = nodeRead(true); /* now read it */
token = lsptok(NULL, &length); /* get :cheapest_total_path */
- local_node->cheapest_total_path = nodeRead(true); /* now read it */
+ local_node->cheapest_total_path = nodeRead(true); /* now read it */
token = lsptok(NULL, &length); /* eat :pruneable */
token = lsptok(NULL, &length); /* get :pruneable */
local_node->pruneable = (token[0] == 't') ? true : false;
token = lsptok(NULL, &length); /* get :baserestrictinfo */
- local_node->baserestrictinfo = nodeRead(true); /* now read it */
+ local_node->baserestrictinfo = nodeRead(true); /* now read it */
token = lsptok(NULL, &length); /* get :joininfo */
local_node->joininfo = nodeRead(true); /* now read it */
local_node->relname = debackslash(token, length);
token = lsptok(NULL, &length); /* eat :attrs */
- local_node->attrs = nodeRead(true); /* now read it */
+ local_node->attrs = nodeRead(true); /* now read it */
return local_node;
}
static TidPath *
_readTidPath()
{
- TidPath *local_node;
+ TidPath *local_node;
char *token;
int length;
local_node->path.pathkeys = nodeRead(true); /* now read it */
token = lsptok(NULL, &length); /* get :tideval */
- local_node->tideval = nodeRead(true); /* now read it */
+ local_node->tideval = nodeRead(true); /* now read it */
token = lsptok(NULL, &length); /* get :unjoined_relids */
local_node->unjoined_relids = toIntList(nodeRead(true));
local_node->innerjoinpath = nodeRead(true); /* now read it */
token = lsptok(NULL, &length); /* get :joinrestrictinfo */
- local_node->joinrestrictinfo = nodeRead(true); /* now read it */
+ local_node->joinrestrictinfo = nodeRead(true); /* now read it */
return local_node;
}
local_node->jpath.path.pathkeys = nodeRead(true); /* now read it */
token = lsptok(NULL, &length); /* get :outerjoinpath */
- local_node->jpath.outerjoinpath = nodeRead(true); /* now read it */
+ local_node->jpath.outerjoinpath = nodeRead(true); /* now read it */
token = lsptok(NULL, &length); /* get :innerjoinpath */
- local_node->jpath.innerjoinpath = nodeRead(true); /* now read it */
+ local_node->jpath.innerjoinpath = nodeRead(true); /* now read it */
token = lsptok(NULL, &length); /* get :joinrestrictinfo */
- local_node->jpath.joinrestrictinfo = nodeRead(true); /* now read it */
+ local_node->jpath.joinrestrictinfo = nodeRead(true); /* now read it */
token = lsptok(NULL, &length); /* get :path_mergeclauses */
local_node->path_mergeclauses = nodeRead(true); /* now read it */
local_node->jpath.path.pathkeys = nodeRead(true); /* now read it */
token = lsptok(NULL, &length); /* get :outerjoinpath */
- local_node->jpath.outerjoinpath = nodeRead(true); /* now read it */
+ local_node->jpath.outerjoinpath = nodeRead(true); /* now read it */
token = lsptok(NULL, &length); /* get :innerjoinpath */
- local_node->jpath.innerjoinpath = nodeRead(true); /* now read it */
+ local_node->jpath.innerjoinpath = nodeRead(true); /* now read it */
token = lsptok(NULL, &length); /* get :joinrestrictinfo */
- local_node->jpath.joinrestrictinfo = nodeRead(true); /* now read it */
+ local_node->jpath.joinrestrictinfo = nodeRead(true); /* now read it */
token = lsptok(NULL, &length); /* get :path_hashclauses */
local_node->path_hashclauses = nodeRead(true); /* now read it */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: geqo_eval.c,v 1.48 2000/02/15 20:49:14 tgl Exp $
+ * $Id: geqo_eval.c,v 1.49 2000/04/12 17:15:18 momjian Exp $
*
*-------------------------------------------------------------------------
*/
/*
* compute fitness
*
- * XXX geqo does not currently support optimization for partial
- * result retrieval --- how to fix?
+ * XXX geqo does not currently support optimization for partial result
+ * retrieval --- how to fix?
*/
fitness = joinrel->cheapest_total_path->total_cost;
/* tour[0] = 3; tour[1] = 1; tour[2] = 2 */
base_rel_index = (int) tour[rel_count];
- inner_rel = (RelOptInfo *) nth(base_rel_index-1, root->base_rel_list);
+ inner_rel = (RelOptInfo *) nth(base_rel_index - 1, root->base_rel_list);
if (rel_count == 0)
{ /* processing first join with
}
else
{ /* tree main part */
- List *acceptable_rels = lcons(inner_rel, NIL);
+ List *acceptable_rels = lcons(inner_rel, NIL);
new_rel = make_rels_by_clause_joins(root, old_rel,
acceptable_rels);
- if (! new_rel)
+ if (!new_rel)
{
new_rel = make_rels_by_clauseless_joins(root, old_rel,
acceptable_rels);
- if (! new_rel)
+ if (!new_rel)
elog(ERROR, "gimme_tree: failed to construct join rel");
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/path/_deadcode/Attic/predmig.c,v 1.6 2000/01/26 05:56:36 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/path/_deadcode/Attic/predmig.c,v 1.7 2000/04/12 17:15:21 momjian Exp $
*
*-------------------------------------------------------------------------
*/
}
-/* ------------------- UTILITY FUNCTIONS ------------------------- */
+/* ------------------- UTILITY FUNCTIONS ------------------------- */
/*
** xfunc_free_stream
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/path/allpaths.c,v 1.59 2000/02/15 20:49:16 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/path/allpaths.c,v 1.60 2000/04/12 17:15:19 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifdef GEQO
bool enable_geqo = true;
+
#else
bool enable_geqo = false;
+
#endif
int geqo_rels = GEQO_RELS;
#ifdef OPTIMIZER_DEBUG
static void debug_print_rel(Query *root, RelOptInfo *rel);
+
#endif
if (levels_needed == 1)
{
+
/*
* Single relation, no more processing is required.
*/
}
else
{
+
/*
* Generate join tree.
*/
/*
* Generate paths and add them to the rel's pathlist.
*
- * Note: add_path() will discard any paths that are dominated
- * by another available path, keeping only those paths that are
+ * Note: add_path() will discard any paths that are dominated by
+ * another available path, keeping only those paths that are
* superior along at least one dimension of cost or sortedness.
*/
rel->baserestrictinfo,
rel->joininfo);
- /* Note: create_or_index_paths depends on create_index_paths
- * to have marked OR restriction clauses with relevant indices;
- * this is why it doesn't need to be given the list of indices.
+ /*
+ * Note: create_or_index_paths depends on create_index_paths to
+ * have marked OR restriction clauses with relevant indices; this
+ * is why it doesn't need to be given the list of indices.
*/
create_or_index_paths(root, rel, rel->baserestrictinfo);
return geqo(root);
/*
- * We employ a simple "dynamic programming" algorithm: we first
- * find all ways to build joins of two base relations, then all ways
- * to build joins of three base relations (from two-base-rel joins
- * and other base rels), then four-base-rel joins, and so on until
- * we have considered all ways to join all N relations into one rel.
+ * We employ a simple "dynamic programming" algorithm: we first find
+ * all ways to build joins of two base relations, then all ways to
+ * build joins of three base relations (from two-base-rel joins and
+ * other base rels), then four-base-rel joins, and so on until we have
+ * considered all ways to join all N relations into one rel.
*/
for (lev = 2; lev <= levels_needed; lev++)
rel = (RelOptInfo *) lfirst(x);
#ifdef NOT_USED
+
/*
- * * for each expensive predicate in each path in each distinct
- * rel, * consider doing pullup -- JMH
+ * * for each expensive predicate in each path in each
+ * distinct rel, * consider doing pullup -- JMH
*/
if (XfuncMode != XFUNC_NOPULL && XfuncMode != XFUNC_OFF)
xfunc_trypullup(rel);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/path/clausesel.c,v 1.33 2000/03/23 23:35:47 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/path/clausesel.c,v 1.34 2000/04/12 17:15:19 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* Data structure for accumulating info about possible range-query
* clause pairs in clauselist_selectivity.
*/
-typedef struct RangeQueryClause {
- struct RangeQueryClause *next; /* next in linked list */
+typedef struct RangeQueryClause
+{
+ struct RangeQueryClause *next; /* next in linked list */
Node *var; /* The common variable of the clauses */
bool have_lobound; /* found a low-bound clause yet? */
bool have_hibound; /* found a high-bound clause yet? */
- Selectivity lobound; /* Selectivity of a var > something clause */
- Selectivity hibound; /* Selectivity of a var < something clause */
+ Selectivity lobound; /* Selectivity of a var > something clause */
+ Selectivity hibound; /* Selectivity of a var < something clause */
} RangeQueryClause;
static void addRangeClause(RangeQueryClause **rqlist, Node *clause,
- int flag, bool isLTsel, Selectivity s2);
+ int flag, bool isLTsel, Selectivity s2);
/****************************************************************************
int varRelid)
{
List *clauselist = get_actual_clauses(restrictinfo_list);
- Selectivity result;
+ Selectivity result;
result = clauselist_selectivity(root, clauselist, varRelid);
freeList(clauselist);
* See clause_selectivity() for the meaning of the varRelid parameter.
*
* Our basic approach is to take the product of the selectivities of the
- * subclauses. However, that's only right if the subclauses have independent
+ * subclauses. However, that's only right if the subclauses have independent
* probabilities, and in reality they are often NOT independent. So,
* we want to be smarter where we can.
* see that hisel is the fraction of the range below the high bound, while
* losel is the fraction above the low bound; so hisel can be interpreted
* directly as a 0..1 value but we need to convert losel to 1-losel before
- * interpreting it as a value. Then the available range is 1-losel to hisel.)
+ * interpreting it as a value. Then the available range is 1-losel to hisel.)
* If the calculation yields zero or negative, however, we chicken out and
* use the default interpretation; that probably means that one or both
* selectivities is a default estimate rather than an actual range value.
List *clauses,
int varRelid)
{
- Selectivity s1 = 1.0;
- RangeQueryClause *rqlist = NULL;
- List *clist;
+ Selectivity s1 = 1.0;
+ RangeQueryClause *rqlist = NULL;
+ List *clist;
/*
* Initial scan over clauses. Anything that doesn't look like a
foreach(clist, clauses)
{
Node *clause = (Node *) lfirst(clist);
- Selectivity s2;
+ Selectivity s2;
/*
- * See if it looks like a restriction clause with a constant.
- * (If it's not a constant we can't really trust the selectivity!)
- * NB: for consistency of results, this fragment of code had
- * better match what clause_selectivity() would do.
+ * See if it looks like a restriction clause with a constant. (If
+ * it's not a constant we can't really trust the selectivity!) NB:
+ * for consistency of results, this fragment of code had better
+ * match what clause_selectivity() would do.
*/
if (varRelid != 0 || NumRelids(clause) == 1)
{
root->rtable),
attno,
constval, flag);
+
/*
- * If we reach here, we have computed the same result
- * that clause_selectivity would, so we can just use s2
- * if it's the wrong oprrest. But if it's the right
- * oprrest, add the clause to rqlist for later processing.
+ * If we reach here, we have computed the same result that
+ * clause_selectivity would, so we can just use s2 if it's
+ * the wrong oprrest. But if it's the right oprrest, add
+ * the clause to rqlist for later processing.
*/
switch (oprrest)
{
s1 = s1 * s2;
break;
}
- continue; /* drop to loop bottom */
+ continue; /* drop to loop bottom */
}
}
/* Not the right form, so treat it generically. */
*/
while (rqlist != NULL)
{
- RangeQueryClause *rqnext;
+ RangeQueryClause *rqnext;
if (rqlist->have_lobound && rqlist->have_hibound)
{
/* Successfully matched a pair of range clauses */
- Selectivity s2 = rqlist->hibound + rqlist->lobound - 1.0;
+ Selectivity s2 = rqlist->hibound + rqlist->lobound - 1.0;
/*
* A zero or slightly negative s2 should be converted into a
{
if (s2 < -0.01)
{
- /* No data available --- use a default estimate that
+
+ /*
+ * No data available --- use a default estimate that
* is small, but not real small.
*/
s2 = 0.01;
}
else
{
- /* It's just roundoff error; use a small positive value */
+
+ /*
+ * It's just roundoff error; use a small positive
+ * value
+ */
s2 = 1.0e-10;
}
}
addRangeClause(RangeQueryClause **rqlist, Node *clause,
int flag, bool isLTsel, Selectivity s2)
{
- RangeQueryClause *rqelem;
- Node *var;
- bool is_lobound;
+ RangeQueryClause *rqelem;
+ Node *var;
+ bool is_lobound;
/* get_relattval sets flag&SEL_RIGHT if the var is on the LEFT. */
if (flag & SEL_RIGHT)
{
var = (Node *) get_leftop((Expr *) clause);
- is_lobound = ! isLTsel; /* x < something is high bound */
+ is_lobound = !isLTsel; /* x < something is high bound */
}
else
{
for (rqelem = *rqlist; rqelem; rqelem = rqelem->next)
{
- /* We use full equal() here because the "var" might be a function
+
+ /*
+ * We use full equal() here because the "var" might be a function
* of one or more attributes of the same relation...
*/
- if (! equal(var, rqelem->var))
+ if (!equal(var, rqelem->var))
continue;
/* Found the right group to put this clause in */
if (is_lobound)
{
- if (! rqelem->have_lobound)
+ if (!rqelem->have_lobound)
{
rqelem->have_lobound = true;
rqelem->lobound = s2;
}
else
{
- /* We have found two similar clauses, such as
- * x < y AND x < z. Keep only the more restrictive one.
+
+ /*
+ * We have found two similar clauses, such as x < y AND x
+ * < z. Keep only the more restrictive one.
*/
if (rqelem->lobound > s2)
rqelem->lobound = s2;
}
else
{
- if (! rqelem->have_hibound)
+ if (!rqelem->have_hibound)
{
rqelem->have_hibound = true;
rqelem->hibound = s2;
}
else
{
- /* We have found two similar clauses, such as
- * x > y AND x > z. Keep only the more restrictive one.
+
+ /*
+ * We have found two similar clauses, such as x > y AND x
+ * > z. Keep only the more restrictive one.
*/
if (rqelem->hibound > s2)
rqelem->hibound = s2;
* nestloop join's inner relation --- varRelid should then be the ID of the
* inner relation.
*
- * When varRelid is 0, all variables are treated as variables. This
+ * When varRelid is 0, all variables are treated as variables. This
* is appropriate for ordinary join clauses and restriction clauses.
*/
Selectivity
Node *clause,
int varRelid)
{
- Selectivity s1 = 1.0; /* default for any unhandled clause type */
+ Selectivity s1 = 1.0; /* default for any unhandled clause type */
if (clause == NULL)
return s1;
if (IsA(clause, Var))
{
+
/*
* we have a bool Var. This is exactly equivalent to the clause:
* reln.attribute = 't' so we compute the selectivity as if that
* didn't want to have to do system cache look ups to find out all
* of that info.
*/
- Index varno = ((Var *) clause)->varno;
+ Index varno = ((Var *) clause)->varno;
if (varRelid == 0 || varRelid == (int) varno)
s1 = restriction_selectivity(F_EQSEL,
{
/* inverse of the selectivity of the underlying clause */
s1 = 1.0 - clause_selectivity(root,
- (Node*) get_notclausearg((Expr*) clause),
+ (Node *) get_notclausearg((Expr *) clause),
varRelid);
}
else if (and_clause(clause))
}
else if (or_clause(clause))
{
+
/*
* Selectivities for an 'or' clause are computed as s1+s2 - s1*s2
- * to account for the probable overlap of selected tuple sets.
- * XXX is this too conservative?
+ * to account for the probable overlap of selected tuple sets. XXX
+ * is this too conservative?
*/
- List *arg;
+ List *arg;
+
s1 = 0.0;
foreach(arg, ((Expr *) clause)->args)
{
- Selectivity s2 = clause_selectivity(root,
+ Selectivity s2 = clause_selectivity(root,
(Node *) lfirst(arg),
varRelid);
+
s1 = s1 + s2 - s1 * s2;
}
}
if (varRelid != 0)
{
+
/*
- * If we are considering a nestloop join then all clauses
- * are restriction clauses, since we are only interested in
- * the one relation.
+ * If we are considering a nestloop join then all clauses are
+ * restriction clauses, since we are only interested in the
+ * one relation.
*/
is_join_clause = false;
}
else
{
+
/*
- * Otherwise, it's a join if there's more than one relation used.
+ * Otherwise, it's a join if there's more than one relation
+ * used.
*/
is_join_clause = (NumRelids(clause) > 1);
}
RegProcedure oprjoin = get_oprjoin(opno);
/*
- * if the oprjoin procedure is missing for whatever reason, use a
- * selectivity of 0.5
+ * if the oprjoin procedure is missing for whatever reason,
+ * use a selectivity of 0.5
*/
if (!oprjoin)
s1 = (Selectivity) 0.5;
RegProcedure oprrest = get_oprrest(opno);
/*
- * if the oprrest procedure is missing for whatever reason, use a
- * selectivity of 0.5
+ * if the oprrest procedure is missing for whatever reason,
+ * use a selectivity of 0.5
*/
if (!oprrest)
s1 = (Selectivity) 0.5;
}
else if (is_funcclause(clause))
{
+
/*
* This is not an operator, so we guess at the selectivity. THIS
* IS A HACK TO GET V4 OUT THE DOOR. FUNCS SHOULD BE ABLE TO HAVE
}
else if (is_subplan(clause))
{
+
/*
* Just for the moment! FIX ME! - vadim 02/04/98
*/
*
* Obviously, taking constants for these values is an oversimplification,
* but it's tough enough to get any useful estimates even at this level of
- * detail. Note that all of these parameters are user-settable, in case
+ * detail. Note that all of these parameters are user-settable, in case
* the default values are drastically off for a particular platform.
*
* We compute two separate costs for each path:
* will be no zero divide.) RelOptInfos, Paths, and Plans themselves never
* account for LIMIT.
*
- *
+ *
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/path/costsize.c,v 1.56 2000/04/09 04:31:36 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/path/costsize.c,v 1.57 2000/04/12 17:15:19 momjian Exp $
*
*-------------------------------------------------------------------------
*/
/* disk costs */
if (lfirsti(baserel->relids) < 0)
{
+
/*
* cost of sequentially scanning a materialized temporary relation
*/
}
else
{
+
/*
* The cost of reading a page sequentially is 1.0, by definition.
* Note that the Unix kernel will typically do some amount of
- * read-ahead optimization, so that this cost is less than the true
- * cost of reading a page from disk. We ignore that issue here,
- * but must take it into account when estimating the cost of
+ * read-ahead optimization, so that this cost is less than the
+ * true cost of reading a page from disk. We ignore that issue
+ * here, but must take it into account when estimating the cost of
* non-sequential accesses!
*/
- run_cost += baserel->pages; /* sequential fetches with cost 1.0 */
+ run_cost += baserel->pages; /* sequential fetches with cost
+ * 1.0 */
}
/* CPU costs */
*
* The simplistic model that the cost is random_page_cost is what we want
* to use for large relations; but for small ones that is a serious
- * overestimate because of the effects of caching. This routine tries to
+ * overestimate because of the effects of caching. This routine tries to
* account for that.
*
* Unfortunately we don't have any good way of estimating the effective cache
Cost cpu_per_tuple;
Cost indexStartupCost;
Cost indexTotalCost;
- Selectivity indexSelectivity;
+ Selectivity indexSelectivity;
double tuples_fetched;
double pages_fetched;
/* Should only be applied to base relations */
- Assert(IsA(baserel, RelOptInfo) && IsA(index, IndexOptInfo));
+ Assert(IsA(baserel, RelOptInfo) &&IsA(index, IndexOptInfo));
Assert(length(baserel->relids) == 1);
if (!enable_indexscan && !is_injoin)
/*
* Call index-access-method-specific code to estimate the processing
- * cost for scanning the index, as well as the selectivity of the index
- * (ie, the fraction of main-table tuples we will have to retrieve).
+ * cost for scanning the index, as well as the selectivity of the
+ * index (ie, the fraction of main-table tuples we will have to
+ * retrieve).
*/
fmgr(index->amcostestimate, root, baserel, index, indexQuals,
&indexStartupCost, &indexTotalCost, &indexSelectivity);
*
* If the number of tuples is much smaller than the number of pages in
* the relation, each tuple will cost a separate nonsequential fetch.
- * If it is comparable or larger, then probably we will be able to avoid
- * some fetches. We use a growth rate of log(#tuples/#pages + 1) ---
- * probably totally bogus, but intuitively it gives the right shape of
- * curve at least.
+ * If it is comparable or larger, then probably we will be able to
+ * avoid some fetches. We use a growth rate of log(#tuples/#pages +
+ * 1) --- probably totally bogus, but intuitively it gives the right
+ * shape of curve at least.
*
* XXX if the relation has recently been "clustered" using this index,
- * then in fact the target tuples will be highly nonuniformly distributed,
- * and we will be seriously overestimating the scan cost! Currently we
- * have no way to know whether the relation has been clustered, nor how
- * much it's been modified since the last clustering, so we ignore this
- * effect. Would be nice to do better someday.
+ * then in fact the target tuples will be highly nonuniformly
+ * distributed, and we will be seriously overestimating the scan cost!
+ * Currently we have no way to know whether the relation has been
+ * clustered, nor how much it's been modified since the last
+ * clustering, so we ignore this effect. Would be nice to do better
+ * someday.
*/
tuples_fetched = indexSelectivity * baserel->tuples;
pages_fetched = tuples_fetched;
/*
- * Now estimate one nonsequential access per page fetched,
- * plus appropriate CPU costs per tuple.
+ * Now estimate one nonsequential access per page fetched, plus
+ * appropriate CPU costs per tuple.
*/
/* disk costs for main table */
/* CPU costs */
cpu_per_tuple = cpu_tuple_cost + baserel->baserestrictcost;
+
/*
- * Normally the indexquals will be removed from the list of restriction
- * clauses that we have to evaluate as qpquals, so we should subtract
- * their costs from baserestrictcost. For a lossy index, however, we
- * will have to recheck all the quals and so mustn't subtract anything.
- * Also, if we are doing a join then some of the indexquals are join
- * clauses and shouldn't be subtracted. Rather than work out exactly
- * how much to subtract, we don't subtract anything in that case either.
+ * Normally the indexquals will be removed from the list of
+ * restriction clauses that we have to evaluate as qpquals, so we
+ * should subtract their costs from baserestrictcost. For a lossy
+ * index, however, we will have to recheck all the quals and so
+ * mustn't subtract anything. Also, if we are doing a join then some
+ * of the indexquals are join clauses and shouldn't be subtracted.
+ * Rather than work out exactly how much to subtract, we don't
+ * subtract anything in that case either.
*/
- if (! index->lossy && ! is_injoin)
+ if (!index->lossy && !is_injoin)
cpu_per_tuple -= cost_qual_eval(indexQuals);
run_cost += cpu_per_tuple * tuples_fetched;
path->startup_cost = startup_cost;
path->total_cost = startup_cost + run_cost;
}
-
+
/*
* cost_sort
* Determines and returns the cost of sorting a relation.
* If the total volume exceeds SortMem, we switch to a tape-style merge
* algorithm. There will still be about t*log2(t) tuple comparisons in
* total, but we will also need to write and read each tuple once per
- * merge pass. We expect about ceil(log6(r)) merge passes where r is the
+ * merge pass. We expect about ceil(log6(r)) merge passes where r is the
* number of initial runs formed (log6 because tuplesort.c uses six-tape
* merging). Since the average initial run should be about twice SortMem,
* we have
/*
* CPU costs
*
- * Assume about two operator evals per tuple comparison
- * and N log2 N comparisons
+ * Assume about two operator evals per tuple comparison and N log2 N
+ * comparisons
*/
startup_cost += 2.0 * cpu_operator_cost * tuples * LOG2(tuples);
/*
* Note: should we bother to assign a nonzero run_cost to reflect the
- * overhead of extracting tuples from the sort result? Probably not
+ * overhead of extracting tuples from the sort result? Probably not
* worth worrying about.
*/
path->startup_cost = startup_cost;
startup_cost += disable_cost;
/* cost of source data */
+
/*
- * NOTE: we assume that the inner path's startup_cost is paid once, not
- * over again on each restart. This is certainly correct if the inner
- * path is materialized. Are there any cases where it is wrong?
+ * NOTE: we assume that the inner path's startup_cost is paid once,
+ * not over again on each restart. This is certainly correct if the
+ * inner path is materialized. Are there any cases where it is wrong?
*/
startup_cost += outer_path->startup_cost + inner_path->startup_cost;
run_cost += outer_path->total_cost - outer_path->startup_cost;
run_cost += outer_path->parent->rows *
(inner_path->total_cost - inner_path->startup_cost);
- /* Number of tuples processed (not number emitted!). If inner path is
+ /*
+ * Number of tuples processed (not number emitted!). If inner path is
* an indexscan, be sure to use its estimated output row count, which
- * may be lower than the restriction-clause-only row count of its parent.
+ * may be lower than the restriction-clause-only row count of its
+ * parent.
*/
if (IsA(inner_path, IndexPath))
ntuples = ((IndexPath *) inner_path)->rows;
startup_cost += disable_cost;
/* cost of source data */
+
/*
* Note we are assuming that each source tuple is fetched just once,
- * which is not right in the presence of equal keys. If we had a way of
- * estimating the proportion of equal keys, we could apply a correction
- * factor...
+ * which is not right in the presence of equal keys. If we had a way
+ * of estimating the proportion of equal keys, we could apply a
+ * correction factor...
*/
if (outersortkeys) /* do we need to sort outer? */
{
}
/*
- * Estimate the number of tuples to be processed in the mergejoin itself
- * as one per tuple in the two source relations. This could be a drastic
- * underestimate if there are many equal-keyed tuples in either relation,
- * but we have no good way of estimating that...
+ * Estimate the number of tuples to be processed in the mergejoin
+ * itself as one per tuple in the two source relations. This could be
+ * a drastic underestimate if there are many equal-keyed tuples in
+ * either relation, but we have no good way of estimating that...
*/
ntuples = outer_path->parent->rows + inner_path->parent->rows;
Cost cpu_per_tuple;
double ntuples;
double outerbytes = relation_byte_size(outer_path->parent->rows,
- outer_path->parent->width);
+ outer_path->parent->width);
double innerbytes = relation_byte_size(inner_path->parent->rows,
- inner_path->parent->width);
+ inner_path->parent->width);
long hashtablebytes = SortMem * 1024L;
if (!enable_hashjoin)
startup_cost += cpu_operator_cost * inner_path->parent->rows;
run_cost += cpu_operator_cost * outer_path->parent->rows;
- /* the number of tuple comparisons needed is the number of outer
+ /*
+ * the number of tuple comparisons needed is the number of outer
* tuples times the typical hash bucket size, which we estimate
* conservatively as the inner disbursion times the inner tuple count.
*/
/*
* Estimate the number of tuples that get through the hashing filter
- * as one per tuple in the two source relations. This could be a drastic
- * underestimate if there are many equal-keyed tuples in either relation,
- * but we have no good way of estimating that...
+ * as one per tuple in the two source relations. This could be a
+ * drastic underestimate if there are many equal-keyed tuples in
+ * either relation, but we have no good way of estimating that...
*/
ntuples = outer_path->parent->rows + inner_path->parent->rows;
/*
* if inner relation is too big then we will need to "batch" the join,
* which implies writing and reading most of the tuples to disk an
- * extra time. Charge one cost unit per page of I/O (correct since
- * it should be nice and sequential...). Writing the inner rel counts
- * as startup cost, all the rest as run cost.
+ * extra time. Charge one cost unit per page of I/O (correct since it
+ * should be nice and sequential...). Writing the inner rel counts as
+ * startup cost, all the rest as run cost.
*/
if (innerbytes > hashtablebytes)
{
- double outerpages = page_size(outer_path->parent->rows,
- outer_path->parent->width);
- double innerpages = page_size(inner_path->parent->rows,
- inner_path->parent->width);
+ double outerpages = page_size(outer_path->parent->rows,
+ outer_path->parent->width);
+ double innerpages = page_size(inner_path->parent->rows,
+ inner_path->parent->width);
startup_cost += innerpages;
run_cost += innerpages + 2 * outerpages;
}
/*
- * Bias against putting larger relation on inside. We don't want
- * an absolute prohibition, though, since larger relation might have
+ * Bias against putting larger relation on inside. We don't want an
+ * absolute prohibition, though, since larger relation might have
* better disbursion --- and we can't trust the size estimates
- * unreservedly, anyway. Instead, inflate the startup cost by
- * the square root of the size ratio. (Why square root? No real good
+ * unreservedly, anyway. Instead, inflate the startup cost by the
+ * square root of the size ratio. (Why square root? No real good
* reason, but it seems reasonable...)
*/
if (innerbytes > outerbytes && outerbytes > 0)
- {
startup_cost *= sqrt(innerbytes / outerbytes);
- }
path->startup_cost = startup_cost;
path->total_cost = startup_cost + run_cost;
Cost
cost_qual_eval(List *quals)
{
- Cost total = 0;
+ Cost total = 0;
cost_qual_eval_walker((Node *) quals, &total);
return total;
{
if (node == NULL)
return false;
+
/*
* Our basic strategy is to charge one cpu_operator_cost for each
- * operator or function node in the given tree. Vars and Consts
- * are charged zero, and so are boolean operators (AND, OR, NOT).
+ * operator or function node in the given tree. Vars and Consts are
+ * charged zero, and so are boolean operators (AND, OR, NOT).
* Simplistic, but a lot better than no model at all.
*
* Should we try to account for the possibility of short-circuit
*/
if (IsA(node, Expr))
{
- Expr *expr = (Expr *) node;
+ Expr *expr = (Expr *) node;
switch (expr->opType)
{
case NOT_EXPR:
break;
case SUBPLAN_EXPR:
+
/*
- * A subplan node in an expression indicates that the subplan
- * will be executed on each evaluation, so charge accordingly.
- * (We assume that sub-selects that can be executed as
- * InitPlans have already been removed from the expression.)
+ * A subplan node in an expression indicates that the
+ * subplan will be executed on each evaluation, so charge
+ * accordingly. (We assume that sub-selects that can be
+ * executed as InitPlans have already been removed from
+ * the expression.)
*
* NOTE: this logic should agree with the estimates used by
- * make_subplan() in plan/subselect.c.
+ * make_subplan() in plan/subselect.c.
*/
{
- SubPlan *subplan = (SubPlan *) expr->oper;
+ SubPlan *subplan = (SubPlan *) expr->oper;
Plan *plan = subplan->plan;
Cost subcost;
}
/* fall through to examine args of Expr node */
}
+
/*
- * expression_tree_walker doesn't know what to do with RestrictInfo nodes,
- * but we just want to recurse through them.
+ * expression_tree_walker doesn't know what to do with RestrictInfo
+ * nodes, but we just want to recurse through them.
*/
if (IsA(node, RestrictInfo))
{
- RestrictInfo *restrictinfo = (RestrictInfo *) node;
+ RestrictInfo *restrictinfo = (RestrictInfo *) node;
return cost_qual_eval_walker((Node *) restrictinfo->clause, total);
}
*
* We set the following fields of the rel node:
* rows: the estimated number of output tuples (after applying
- * restriction clauses).
+ * restriction clauses).
* width: the estimated average output tuple width in bytes.
* baserestrictcost: estimated cost of evaluating baserestrictinfo clauses.
*/
restrictlist_selectivity(root,
rel->baserestrictinfo,
lfirsti(rel->relids));
+
/*
* Force estimate to be at least one row, to make explain output look
- * better and to avoid possible divide-by-zero when interpolating cost.
+ * better and to avoid possible divide-by-zero when interpolating
+ * cost.
*/
if (rel->rows < 1.0)
rel->rows = 1.0;
temp = outer_rel->rows * inner_rel->rows;
/*
- * Apply join restrictivity. Note that we are only considering clauses
- * that become restriction clauses at this join level; we are not
- * double-counting them because they were not considered in estimating
- * the sizes of the component rels.
+ * Apply join restrictivity. Note that we are only considering
+ * clauses that become restriction clauses at this join level; we are
+ * not double-counting them because they were not considered in
+ * estimating the sizes of the component rels.
*/
temp *= restrictlist_selectivity(root,
restrictlist,
/*
* Force estimate to be at least one row, to make explain output look
- * better and to avoid possible divide-by-zero when interpolating cost.
+ * better and to avoid possible divide-by-zero when interpolating
+ * cost.
*/
if (temp < 1.0)
temp = 1.0;
* We could apply set_rel_width() to compute the output tuple width
* from scratch, but at present it's always just the sum of the input
* widths, so why work harder than necessary? If relnode.c is ever
- * taught to remove unneeded columns from join targetlists, go back
- * to using set_rel_width here.
+ * taught to remove unneeded columns from join targetlists, go back to
+ * using set_rel_width here.
*/
rel->width = outer_rel->width + inner_rel->width;
}
* compute_attribute_width
* Given a target list entry, find the size in bytes of the attribute.
*
- * If a field is variable-length, we make a default assumption. Would be
+ * If a field is variable-length, we make a default assumption. Would be
* better if VACUUM recorded some stats about the average field width...
* also, we have access to the atttypmod, but fail to use it...
*/
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/path/indxpath.c,v 1.81 2000/03/22 22:08:33 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/path/indxpath.c,v 1.82 2000/04/12 17:15:19 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#define is_indexable_operator(clause,opclass,relam,indexkey_on_left) \
(indexable_operator(clause,opclass,relam,indexkey_on_left) != InvalidOid)
-typedef enum {
+typedef enum
+{
Prefix_None, Prefix_Partial, Prefix_Exact
} Prefix_Status;
static void match_index_orclauses(RelOptInfo *rel, IndexOptInfo *index,
- List *restrictinfo_list);
+ List *restrictinfo_list);
static List *match_index_orclause(RelOptInfo *rel, IndexOptInfo *index,
- List *or_clauses,
- List *other_matching_indices);
+ List *or_clauses,
+ List *other_matching_indices);
static bool match_or_subclause_to_indexkey(RelOptInfo *rel,
- IndexOptInfo *index,
- Expr *clause);
+ IndexOptInfo *index,
+ Expr *clause);
static List *group_clauses_by_indexkey(RelOptInfo *rel, IndexOptInfo *index,
- int *indexkeys, Oid *classes,
- List *restrictinfo_list);
+ int *indexkeys, Oid *classes,
+ List *restrictinfo_list);
static List *group_clauses_by_ikey_for_joins(RelOptInfo *rel,
- IndexOptInfo *index,
- int *indexkeys, Oid *classes,
- List *join_cinfo_list,
- List *restr_cinfo_list);
+ IndexOptInfo *index,
+ int *indexkeys, Oid *classes,
+ List *join_cinfo_list,
+ List *restr_cinfo_list);
static bool match_clause_to_indexkey(RelOptInfo *rel, IndexOptInfo *index,
- int indexkey, Oid opclass,
- Expr *clause, bool join);
+ int indexkey, Oid opclass,
+ Expr *clause, bool join);
static bool pred_test(List *predicate_list, List *restrictinfo_list,
- List *joininfo_list);
+ List *joininfo_list);
static bool one_pred_test(Expr *predicate, List *restrictinfo_list);
static bool one_pred_clause_expr_test(Expr *predicate, Node *clause);
static bool one_pred_clause_test(Expr *predicate, Node *clause);
static bool clause_pred_clause_test(Expr *predicate, Node *clause);
static void indexable_joinclauses(RelOptInfo *rel, IndexOptInfo *index,
- List *joininfo_list, List *restrictinfo_list,
- List **clausegroups, List **outerrelids);
+ List *joininfo_list, List *restrictinfo_list,
+ List **clausegroups, List **outerrelids);
static List *index_innerjoin(Query *root, RelOptInfo *rel, IndexOptInfo *index,
- List *clausegroup_list, List *outerrelids_list);
+ List *clausegroup_list, List *outerrelids_list);
static bool useful_for_mergejoin(RelOptInfo *rel, IndexOptInfo *index,
- List *joininfo_list);
+ List *joininfo_list);
static bool useful_for_ordering(Query *root, RelOptInfo *rel,
- IndexOptInfo *index,
- ScanDirection scandir);
+ IndexOptInfo *index,
+ ScanDirection scandir);
static bool match_index_to_operand(int indexkey, Var *operand,
- RelOptInfo *rel, IndexOptInfo *index);
+ RelOptInfo *rel, IndexOptInfo *index);
static bool function_index_operand(Expr *funcOpnd, RelOptInfo *rel,
- IndexOptInfo *index);
+ IndexOptInfo *index);
static bool match_special_index_operator(Expr *clause, Oid opclass, Oid relam,
- bool indexkey_on_left);
+ bool indexkey_on_left);
static Prefix_Status like_fixed_prefix(char *patt, char **prefix);
static Prefix_Status regex_fixed_prefix(char *patt, bool case_insensitive,
- char **prefix);
+ char **prefix);
static List *prefix_quals(Var *leftop, Oid expr_op,
- char *prefix, Prefix_Status pstatus);
-static char *make_greater_string(const char * str, Oid datatype);
-static Oid find_operator(const char * opname, Oid datatype);
-static Datum string_to_datum(const char * str, Oid datatype);
-static Const *string_to_const(const char * str, Oid datatype);
-static bool string_lessthan(const char * str1, const char * str2,
- Oid datatype);
+ char *prefix, Prefix_Status pstatus);
+static char *make_greater_string(const char *str, Oid datatype);
+static Oid find_operator(const char *opname, Oid datatype);
+static Datum string_to_datum(const char *str, Oid datatype);
+static Const *string_to_const(const char *str, Oid datatype);
+static bool string_lessthan(const char *str1, const char *str2,
+ Oid datatype);
/*
List *joinouterrelids;
/*
- * If this is a partial index, we can only use it if it passes
- * the predicate test.
+ * If this is a partial index, we can only use it if it passes the
+ * predicate test.
*/
if (index->indpred != NIL)
if (!pred_test(index->indpred, restrictinfo_list, joininfo_list))
continue;
/*
- * 1. Try matching the index against subclauses of restriction 'or'
- * clauses (ie, 'or' clauses that reference only this relation).
- * The restrictinfo nodes for the 'or' clauses are marked with lists
- * of the matching indices. No paths are actually created now;
- * that will be done in orindxpath.c after all indexes for the rel
- * have been examined. (We need to do it that way because we can
- * potentially use a different index for each subclause of an 'or',
- * so we can't build a path for an 'or' clause until all indexes have
- * been matched against it.)
+ * 1. Try matching the index against subclauses of restriction
+ * 'or' clauses (ie, 'or' clauses that reference only this
+ * relation). The restrictinfo nodes for the 'or' clauses are
+ * marked with lists of the matching indices. No paths are
+ * actually created now; that will be done in orindxpath.c after
+ * all indexes for the rel have been examined. (We need to do it
+ * that way because we can potentially use a different index for
+ * each subclause of an 'or', so we can't build a path for an 'or'
+ * clause until all indexes have been matched against it.)
*
* We don't even think about special handling of 'or' clauses that
- * involve more than one relation (ie, are join clauses).
- * Can we do anything useful with those?
+ * involve more than one relation (ie, are join clauses). Can we
+ * do anything useful with those?
*/
match_index_orclauses(rel, index, restrictinfo_list);
/*
- * 2. If the keys of this index match any of the available non-'or'
- * restriction clauses, then create a path using those clauses
- * as indexquals.
+ * 2. If the keys of this index match any of the available
+ * non-'or' restriction clauses, then create a path using those
+ * clauses as indexquals.
*/
restrictclauses = group_clauses_by_indexkey(rel,
index,
if (restrictclauses != NIL)
add_path(rel, (Path *) create_index_path(root, rel, index,
restrictclauses,
- NoMovementScanDirection));
+ NoMovementScanDirection));
/*
* 3. If this index can be used for a mergejoin, then create an
if (restrictclauses == NIL)
{
if (useful_for_mergejoin(rel, index, joininfo_list) ||
- useful_for_ordering(root, rel, index, ForwardScanDirection))
+ useful_for_ordering(root, rel, index, ForwardScanDirection))
add_path(rel, (Path *)
create_index_path(root, rel, index,
NIL,
ForwardScanDirection));
}
+
/*
- * Currently, backwards scan is never considered except for the case
- * of matching a query result ordering. Possibly should consider
- * it in other places?
+ * Currently, backwards scan is never considered except for the
+ * case of matching a query result ordering. Possibly should
+ * consider it in other places?
*/
if (useful_for_ordering(root, rel, index, BackwardScanDirection))
add_path(rel, (Path *)
BackwardScanDirection));
/*
- * 4. Create an innerjoin index path for each combination of
- * other rels used in available join clauses. These paths will
- * be considered as the inner side of nestloop joins against
- * those sets of other rels. indexable_joinclauses() finds sets
- * of clauses that can be used with each combination of outer rels,
+ * 4. Create an innerjoin index path for each combination of other
+ * rels used in available join clauses. These paths will be
+ * considered as the inner side of nestloop joins against those
+ * sets of other rels. indexable_joinclauses() finds sets of
+ * clauses that can be used with each combination of outer rels,
* and index_innerjoin builds the paths themselves. We add the
* paths to the rel's innerjoin list, NOT to the result list.
*/
/****************************************************************************
- * ---- ROUTINES TO PROCESS 'OR' CLAUSES ----
+ * ---- ROUTINES TO PROCESS 'OR' CLAUSES ----
****************************************************************************/
if (restriction_is_or_clause(restrictinfo))
{
+
/*
* Add this index to the subclause index list for each
* subclause that it matches.
* that have already been matched to subclauses within this
* particular 'or' clause (i.e., a list previously generated by
* this routine), or NIL if this routine has not previously been
- * run for this 'or' clause.
+ * run for this 'or' clause.
*
* Returns a list of the form ((a b c) (d e f) nil (g h) ...) where
* a,b,c are nodes of indices that match the first subclause in
List *index_list;
List *clist;
- /* first time through, we create list of same length as OR clause,
+ /*
+ * first time through, we create list of same length as OR clause,
* containing an empty sublist for each subclause.
*/
if (!other_matching_indices)
IndexOptInfo *index,
Expr *clause)
{
- int indexkey = index->indexkeys[0];
- Oid opclass = index->classlist[0];
+ int indexkey = index->indexkeys[0];
+ Oid opclass = index->classlist[0];
if (and_clause((Node *) clause))
{
* used as indexquals.
*
* In the simplest case this just means making a one-element list of the
- * given opclause. However, if the OR subclause is an AND, we have to
+ * given opclause. However, if the OR subclause is an AND, we have to
* scan it to find the opclause(s) that match the index. (There should
* be at least one, if match_or_subclause_to_indexkey succeeded, but there
- * could be more.) Also, we apply expand_indexqual_conditions() to convert
+ * could be more.) Also, we apply expand_indexqual_conditions() to convert
* any special matching opclauses to indexable operators.
*
* The passed-in clause is not changed.
IndexOptInfo *index,
Expr *orsubclause)
{
- List *quals = NIL;
- int indexkey = index->indexkeys[0];
- Oid opclass = index->classlist[0];
+ List *quals = NIL;
+ int indexkey = index->indexkeys[0];
+ Oid opclass = index->classlist[0];
if (and_clause((Node *) orsubclause))
{
clausegroup = lappend(clausegroup, rinfo);
}
- /* If no clauses match this key, we're done; we don't want to
- * look at keys to its right.
+ /*
+ * If no clauses match this key, we're done; we don't want to look
+ * at keys to its right.
*/
if (clausegroup == NIL)
break;
/*
* group_clauses_by_ikey_for_joins
- * Generates a list of join clauses that can be used with an index
+ * Generates a list of join clauses that can be used with an index
* to scan the inner side of a nestloop join.
*
* This is much like group_clauses_by_indexkey(), but we consider both
clausegroup = lappend(clausegroup, rinfo);
}
- /* If no clauses match this key, we're done; we don't want to
- * look at keys to its right.
+ /*
+ * If no clauses match this key, we're done; we don't want to look
+ * at keys to its right.
*/
if (clausegroup == NIL)
break;
} while (!DoneMatchingIndexKeys(indexkeys, index));
/*
- * if no join clause was matched then there ain't clauses for
- * joins at all.
+ * if no join clause was matched then there ain't clauses for joins at
+ * all.
*/
if (!jfound)
{
/*
* match_clause_to_indexkey()
- * Determines whether a restriction or join clause matches
- * a key of an index.
+ * Determines whether a restriction or join clause matches
+ * a key of an index.
*
* To match, the clause:
*rightop;
/* Clause must be a binary opclause. */
- if (! is_opclause((Node *) clause))
+ if (!is_opclause((Node *) clause))
return false;
leftop = get_leftop(clause);
rightop = get_rightop(clause);
- if (! leftop || ! rightop)
+ if (!leftop || !rightop)
return false;
if (!join)
{
+
/*
* Not considering joins, so check for clauses of the form:
* (indexkey operator constant) or (constant operator indexkey).
* We will accept a Param as being constant.
*/
- if ((IsA(rightop, Const) || IsA(rightop, Param)) &&
+ if ((IsA(rightop, Const) ||IsA(rightop, Param)) &&
match_index_to_operand(indexkey, leftop, rel, index))
{
if (is_indexable_operator(clause, opclass, index->relam, true))
return true;
+
/*
- * If we didn't find a member of the index's opclass,
- * see whether it is a "special" indexable operator.
+ * If we didn't find a member of the index's opclass, see
+ * whether it is a "special" indexable operator.
*/
if (match_special_index_operator(clause, opclass, index->relam,
true))
return true;
return false;
}
- if ((IsA(leftop, Const) || IsA(leftop, Param)) &&
+ if ((IsA(leftop, Const) ||IsA(leftop, Param)) &&
match_index_to_operand(indexkey, rightop, rel, index))
{
if (is_indexable_operator(clause, opclass, index->relam, false))
return true;
+
/*
- * If we didn't find a member of the index's opclass,
- * see whether it is a "special" indexable operator.
+ * If we didn't find a member of the index's opclass, see
+ * whether it is a "special" indexable operator.
*/
if (match_special_index_operator(clause, opclass, index->relam,
false))
}
else
{
+
/*
- * Check for an indexqual that could be handled by a nestloop join.
- * We need the index key to be compared against an expression
- * that uses none of the indexed relation's vars.
+ * Check for an indexqual that could be handled by a nestloop
+ * join. We need the index key to be compared against an
+ * expression that uses none of the indexed relation's vars.
*/
if (match_index_to_operand(indexkey, leftop, rel, index))
{
List *othervarnos = pull_varnos((Node *) rightop);
bool isIndexable;
- isIndexable = ! intMember(lfirsti(rel->relids), othervarnos);
+ isIndexable = !intMember(lfirsti(rel->relids), othervarnos);
freeList(othervarnos);
if (isIndexable &&
- is_indexable_operator(clause, opclass, index->relam, true))
+ is_indexable_operator(clause, opclass, index->relam, true))
return true;
}
else if (match_index_to_operand(indexkey, rightop, rel, index))
List *othervarnos = pull_varnos((Node *) leftop);
bool isIndexable;
- isIndexable = ! intMember(lfirsti(rel->relids), othervarnos);
+ isIndexable = !intMember(lfirsti(rel->relids), othervarnos);
freeList(othervarnos);
if (isIndexable &&
- is_indexable_operator(clause, opclass, index->relam, false))
+ is_indexable_operator(clause, opclass, index->relam, false))
return true;
}
}
*
* Returns the OID of the matching operator, or InvalidOid if no match.
* Note that the returned OID will be different from the one in the given
- * expression if we used a binary-compatible substitution. Also note that
+ * expression if we used a binary-compatible substitution. Also note that
* if indexkey_on_left is FALSE (meaning we need to commute), the returned
* OID is *not* commuted; it can be plugged directly into the given clause.
*/
if (HeapTupleIsValid(newop))
{
- Oid new_expr_op = oprid(newop);
+ Oid new_expr_op = oprid(newop);
if (new_expr_op != expr_op)
{
+
/*
- * OK, we found a binary-compatible operator of the same name;
- * now does it match the index?
+ * OK, we found a binary-compatible operator of the same
+ * name; now does it match the index?
*/
if (indexkey_on_left)
commuted_op = new_expr_op;
{
if (restrictinfo->left_sortop == ordering[0] &&
match_index_to_operand(indexkeys[0],
- get_leftop(restrictinfo->clause),
+ get_leftop(restrictinfo->clause),
rel, index))
return true;
if (restrictinfo->right_sortop == ordering[0] &&
match_index_to_operand(indexkeys[0],
- get_rightop(restrictinfo->clause),
+ get_rightop(restrictinfo->clause),
rel, index))
return true;
}
*/
static StrategyNumber
-BT_implic_table[BTMaxStrategyNumber][BTMaxStrategyNumber] = {
+ BT_implic_table[BTMaxStrategyNumber][BTMaxStrategyNumber] = {
{2, 2, 0, 0, 0},
{1, 2, 0, 0, 0},
{1, 2, 3, 4, 5},
* rel's restrictinfo list. Therefore, every clause in the group references
* the current rel plus the same set of other rels (except for the restrict
* clauses, which only reference the current rel). Therefore, this set
- * of clauses could be used as an indexqual if the relation is scanned
+ * of clauses could be used as an indexqual if the relation is scanned
* as the inner side of a nestloop join when the outer side contains
* (at least) all those "other rels".
*
* XXX Actually, given that we are considering a join that requires an
* outer rel set (A,B,C), we should use all qual clauses that reference
- * any subset of these rels, not just the full set or none. This is
+ * any subset of these rels, not just the full set or none. This is
* doable with a doubly nested loop over joininfo_list; is it worth it?
*
* Returns two parallel lists of the same length: the clause groups,
pathnode->path.pathtype = T_IndexScan;
pathnode->path.parent = rel;
+
/*
* There's no point in marking the path with any pathkeys, since
- * it will only ever be used as the inner path of a nestloop,
- * and so its ordering does not matter.
+ * it will only ever be used as the inner path of a nestloop, and
+ * so its ordering does not matter.
*/
pathnode->path.pathkeys = NIL;
/* expand special operators to indexquals the executor can handle */
indexquals = expand_indexqual_conditions(indexquals);
- /* Note that we are making a pathnode for a single-scan indexscan;
+ /*
+ * Note that we are making a pathnode for a single-scan indexscan;
* therefore, both indexid and indexqual should be single-element
* lists.
*/
/*
* We must compute the estimated number of output rows for the
- * indexscan. This is less than rel->rows because of the additional
- * selectivity of the join clauses. Since clausegroup may contain
- * both restriction and join clauses, we have to do a set union to
- * get the full set of clauses that must be considered to compute
- * the correct selectivity. (We can't just nconc the two lists;
- * then we might have some restriction clauses appearing twice,
- * which'd mislead restrictlist_selectivity into double-counting
- * their selectivity.)
+ * indexscan. This is less than rel->rows because of the
+ * additional selectivity of the join clauses. Since clausegroup
+ * may contain both restriction and join clauses, we have to do a
+ * set union to get the full set of clauses that must be
+ * considered to compute the correct selectivity. (We can't just
+ * nconc the two lists; then we might have some restriction
+ * clauses appearing twice, which'd mislead
+ * restrictlist_selectivity into double-counting their
+ * selectivity.)
*/
pathnode->rows = rel->tuples *
restrictlist_selectivity(root,
* match_index_to_operand()
* Generalized test for a match between an index's key
* and the operand on one side of a restriction or join clause.
- * Now check for functional indices as well.
+ * Now check for functional indices as well.
*/
static bool
match_index_to_operand(int indexkey,
{
if (index->indproc == InvalidOid)
{
+
/*
* Normal index.
*/
/*
* sanity check, make sure we know what we're dealing with here.
*/
- if (funcOpnd == NULL || ! IsA(funcOpnd, Expr) ||
+ if (funcOpnd == NULL || !IsA(funcOpnd, Expr) ||
funcOpnd->opType != FUNC_EXPR ||
funcOpnd->oper == NULL || indexKeys == NULL)
return false;
i = 0;
foreach(arg, funcargs)
{
- Var *var = (Var *) lfirst(arg);
+ Var *var = (Var *) lfirst(arg);
- if (! IsA(var, Var))
+ if (!IsA(var, Var))
return false;
if (indexKeys[i] == 0)
return false;
* indexscan machinery. The key idea is that these operators allow us
* to derive approximate indexscan qual clauses, such that any tuples
* that pass the operator clause itself must also satisfy the simpler
- * indexscan condition(s). Then we can use the indexscan machinery
+ * indexscan condition(s). Then we can use the indexscan machinery
* to avoid scanning as much of the table as we'd otherwise have to,
* while applying the original operator as a qpqual condition to ensure
- * we deliver only the tuples we want. (In essence, we're using a regular
+ * we deliver only the tuples we want. (In essence, we're using a regular
* index as if it were a lossy index.)
*
* An example of what we're doing is
char *patt;
char *prefix;
- /* Currently, all known special operators require the indexkey
- * on the left, but this test could be pushed into the switch statement
- * if some are added that do not...
+ /*
+ * Currently, all known special operators require the indexkey on the
+ * left, but this test could be pushed into the switch statement if
+ * some are added that do not...
*/
- if (! indexkey_on_left)
+ if (!indexkey_on_left)
return false;
/* we know these will succeed */
expr_op = ((Oper *) clause->oper)->opno;
/* again, required for all current special ops: */
- if (! IsA(rightop, Const) ||
+ if (!IsA(rightop, Const) ||
((Const *) rightop)->constisnull)
return false;
constvalue = ((Const *) rightop)->constvalue;
/* the right-hand const is type text for all of these */
patt = textout((text *) DatumGetPointer(constvalue));
isIndexable = like_fixed_prefix(patt, &prefix) != Prefix_None;
- if (prefix) pfree(prefix);
+ if (prefix)
+ pfree(prefix);
pfree(patt);
break;
/* the right-hand const is type text for all of these */
patt = textout((text *) DatumGetPointer(constvalue));
isIndexable = regex_fixed_prefix(patt, false, &prefix) != Prefix_None;
- if (prefix) pfree(prefix);
+ if (prefix)
+ pfree(prefix);
pfree(patt);
break;
/* the right-hand const is type text for all of these */
patt = textout((text *) DatumGetPointer(constvalue));
isIndexable = regex_fixed_prefix(patt, true, &prefix) != Prefix_None;
- if (prefix) pfree(prefix);
+ if (prefix)
+ pfree(prefix);
pfree(patt);
break;
}
/* done if the expression doesn't look indexable */
- if (! isIndexable)
+ if (!isIndexable)
return false;
/*
case OID_TEXT_LIKE_OP:
case OID_TEXT_REGEXEQ_OP:
case OID_TEXT_ICREGEXEQ_OP:
- if (! op_class(find_operator(">=", TEXTOID), opclass, relam) ||
- ! op_class(find_operator("<", TEXTOID), opclass, relam))
+ if (!op_class(find_operator(">=", TEXTOID), opclass, relam) ||
+ !op_class(find_operator("<", TEXTOID), opclass, relam))
isIndexable = false;
break;
case OID_BPCHAR_LIKE_OP:
case OID_BPCHAR_REGEXEQ_OP:
case OID_BPCHAR_ICREGEXEQ_OP:
- if (! op_class(find_operator(">=", BPCHAROID), opclass, relam) ||
- ! op_class(find_operator("<", BPCHAROID), opclass, relam))
+ if (!op_class(find_operator(">=", BPCHAROID), opclass, relam) ||
+ !op_class(find_operator("<", BPCHAROID), opclass, relam))
isIndexable = false;
break;
case OID_VARCHAR_LIKE_OP:
case OID_VARCHAR_REGEXEQ_OP:
case OID_VARCHAR_ICREGEXEQ_OP:
- if (! op_class(find_operator(">=", VARCHAROID), opclass, relam) ||
- ! op_class(find_operator("<", VARCHAROID), opclass, relam))
+ if (!op_class(find_operator(">=", VARCHAROID), opclass, relam) ||
+ !op_class(find_operator("<", VARCHAROID), opclass, relam))
isIndexable = false;
break;
case OID_NAME_LIKE_OP:
case OID_NAME_REGEXEQ_OP:
case OID_NAME_ICREGEXEQ_OP:
- if (! op_class(find_operator(">=", NAMEOID), opclass, relam) ||
- ! op_class(find_operator("<", NAMEOID), opclass, relam))
+ if (!op_class(find_operator(">=", NAMEOID), opclass, relam) ||
+ !op_class(find_operator("<", NAMEOID), opclass, relam))
isIndexable = false;
break;
}
* expand_indexqual_conditions
* Given a list of (implicitly ANDed) indexqual clauses,
* expand any "special" index operators into clauses that the indexscan
- * machinery will know what to do with. Clauses that were not
+ * machinery will know what to do with. Clauses that were not
* recognized by match_special_index_operator() must be passed through
* unchanged.
*/
foreach(q, indexquals)
{
Expr *clause = (Expr *) lfirst(q);
+
/* we know these will succeed */
Var *leftop = get_leftop(clause);
Var *rightop = get_rightop(clause);
switch (expr_op)
{
- /*
- * LIKE and regex operators are not members of any index opclass,
- * so if we find one in an indexqual list we can assume that
- * it was accepted by match_special_index_operator().
- */
+
+ /*
+ * LIKE and regex operators are not members of any index
+ * opclass, so if we find one in an indexqual list we can
+ * assume that it was accepted by
+ * match_special_index_operator().
+ */
case OID_TEXT_LIKE_OP:
case OID_BPCHAR_LIKE_OP:
case OID_VARCHAR_LIKE_OP:
resultquals = nconc(resultquals,
prefix_quals(leftop, expr_op,
prefix, pstatus));
- if (prefix) pfree(prefix);
+ if (prefix)
+ pfree(prefix);
pfree(patt);
break;
resultquals = nconc(resultquals,
prefix_quals(leftop, expr_op,
prefix, pstatus));
- if (prefix) pfree(prefix);
+ if (prefix)
+ pfree(prefix);
pfree(patt);
break;
resultquals = nconc(resultquals,
prefix_quals(leftop, expr_op,
prefix, pstatus));
- if (prefix) pfree(prefix);
+ if (prefix)
+ pfree(prefix);
pfree(patt);
break;
int pos,
match_pos;
- *prefix = match = palloc(strlen(patt)+1);
+ *prefix = match = palloc(strlen(patt) + 1);
match_pos = 0;
for (pos = 0; patt[pos]; pos++)
if (patt[pos] == '\0')
break;
}
+
/*
- * NOTE: this code used to think that %% meant a literal %,
- * but textlike() itself does not think that, and the SQL92
- * spec doesn't say any such thing either.
+ * NOTE: this code used to think that %% meant a literal %, but
+ * textlike() itself does not think that, and the SQL92 spec
+ * doesn't say any such thing either.
*/
match[match_pos++] = patt[pos];
}
-
+
match[match_pos] = '\0';
/* in LIKE, an empty pattern is an exact match! */
}
/* OK, allocate space for pattern */
- *prefix = match = palloc(strlen(patt)+1);
+ *prefix = match = palloc(strlen(patt) + 1);
match_pos = 0;
/* note start at pos 1 to skip leading ^ */
patt[pos] == '*' ||
patt[pos] == '[' ||
patt[pos] == '$' ||
- /* XXX I suspect isalpha() is not an adequately locale-sensitive
- * test for characters that can vary under case folding?
- */
+
+ /*
+ * XXX I suspect isalpha() is not an adequately locale-sensitive
+ * test for characters that can vary under case folding?
+ */
(case_insensitive && isalpha(patt[pos])))
break;
if (patt[pos] == '\\')
match[match_pos] = '\0';
- if (patt[pos] == '$' && patt[pos+1] == '\0')
+ if (patt[pos] == '$' && patt[pos + 1] == '\0')
return Prefix_Exact; /* pattern specifies exact match */
-
+
if (match_pos > 0)
return Prefix_Partial;
return Prefix_None;
result = lcons(expr, NIL);
/*
- * If we can create a string larger than the prefix, say "x < greaterstr".
+ * If we can create a string larger than the prefix, say "x <
+ * greaterstr".
*/
greaterstr = make_greater_string(prefix, datatype);
if (greaterstr)
* given "foos" and return "foot", will this actually be greater than "fooss"?
*/
static char *
-make_greater_string(const char * str, Oid datatype)
+make_greater_string(const char *str, Oid datatype)
{
char *workstr;
int len;
- /* Make a modifiable copy, which will be our return value if successful */
+ /*
+ * Make a modifiable copy, which will be our return value if
+ * successful
+ */
workstr = pstrdup((char *) str);
while ((len = strlen(workstr)) > 0)
{
- unsigned char *lastchar = (unsigned char *) (workstr + len - 1);
+ unsigned char *lastchar = (unsigned char *) (workstr + len - 1);
/*
* Try to generate a larger string by incrementing the last byte.
{
(*lastchar)++;
if (string_lessthan(str, workstr, datatype))
- return workstr; /* Success! */
+ return workstr; /* Success! */
}
+
/*
- * Truncate off the last character, which might be more than 1 byte
- * in MULTIBYTE case.
+ * Truncate off the last character, which might be more than 1
+ * byte in MULTIBYTE case.
*/
#ifdef MULTIBYTE
- len = pg_mbcliplen((const unsigned char *) workstr, len, len-1);
+ len = pg_mbcliplen((const unsigned char *) workstr, len, len - 1);
workstr[len] = '\0';
#else
*lastchar = '\0';
/* See if there is a binary op of the given name for the given datatype */
static Oid
-find_operator(const char * opname, Oid datatype)
+find_operator(const char *opname, Oid datatype)
{
HeapTuple optup;
* returned value should be pfree'd if no longer needed.
*/
static Datum
-string_to_datum(const char * str, Oid datatype)
+string_to_datum(const char *str, Oid datatype)
{
- /* We cheat a little by assuming that textin() will do for
- * bpchar and varchar constants too...
+
+ /*
+ * We cheat a little by assuming that textin() will do for bpchar and
+ * varchar constants too...
*/
if (datatype == NAMEOID)
return PointerGetDatum(namein((char *) str));
* Generate a Const node of the appropriate type from a C string.
*/
static Const *
-string_to_const(const char * str, Oid datatype)
+string_to_const(const char *str, Oid datatype)
{
Datum conval = string_to_datum(str, datatype);
* "<" operator function, to ensure we get the right result...
*/
static bool
-string_lessthan(const char * str1, const char * str2, Oid datatype)
+string_lessthan(const char *str1, const char *str2, Oid datatype)
{
Datum datum1 = string_to_datum(str1, datatype);
Datum datum2 = string_to_datum(str2, datatype);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/path/joinpath.c,v 1.53 2000/02/18 23:47:19 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/path/joinpath.c,v 1.54 2000/04/12 17:15:19 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "utils/lsyscache.h"
static void sort_inner_and_outer(Query *root, RelOptInfo *joinrel,
- RelOptInfo *outerrel, RelOptInfo *innerrel,
- List *restrictlist, List *mergeclause_list);
+ RelOptInfo *outerrel, RelOptInfo *innerrel,
+ List *restrictlist, List *mergeclause_list);
static void match_unsorted_outer(Query *root, RelOptInfo *joinrel,
- RelOptInfo *outerrel, RelOptInfo *innerrel,
- List *restrictlist, List *mergeclause_list);
+ RelOptInfo *outerrel, RelOptInfo *innerrel,
+ List *restrictlist, List *mergeclause_list);
+
#ifdef NOT_USED
static void match_unsorted_inner(Query *root, RelOptInfo *joinrel,
- RelOptInfo *outerrel, RelOptInfo *innerrel,
- List *restrictlist, List *mergeclause_list);
+ RelOptInfo *outerrel, RelOptInfo *innerrel,
+ List *restrictlist, List *mergeclause_list);
+
#endif
static void hash_inner_and_outer(Query *root, RelOptInfo *joinrel,
- RelOptInfo *outerrel, RelOptInfo *innerrel,
- List *restrictlist);
+ RelOptInfo *outerrel, RelOptInfo *innerrel,
+ List *restrictlist);
static Path *best_innerjoin(List *join_paths, List *outer_relid);
static Selectivity estimate_disbursion(Query *root, Var *var);
static List *select_mergejoin_clauses(RelOptInfo *joinrel,
- RelOptInfo *outerrel,
- RelOptInfo *innerrel,
- List *restrictlist);
+ RelOptInfo *outerrel,
+ RelOptInfo *innerrel,
+ List *restrictlist);
/*
restrictlist);
/*
- * 1. Consider mergejoin paths where both relations must be
- * explicitly sorted.
+ * 1. Consider mergejoin paths where both relations must be explicitly
+ * sorted.
*/
sort_inner_and_outer(root, joinrel, outerrel, innerrel,
restrictlist, mergeclause_list);
/*
- * 2. Consider paths where the outer relation need not be
- * explicitly sorted. This includes both nestloops and
- * mergejoins where the outer path is already ordered.
+ * 2. Consider paths where the outer relation need not be explicitly
+ * sorted. This includes both nestloops and mergejoins where the outer
+ * path is already ordered.
*/
match_unsorted_outer(root, joinrel, outerrel, innerrel,
restrictlist, mergeclause_list);
#ifdef NOT_USED
+
/*
- * 3. Consider paths where the inner relation need not be
- * explicitly sorted. This includes mergejoins only
- * (nestloops were already built in match_unsorted_outer).
+ * 3. Consider paths where the inner relation need not be explicitly
+ * sorted. This includes mergejoins only (nestloops were already
+ * built in match_unsorted_outer).
*
- * Diked out as redundant 2/13/2000 -- tgl. There isn't any
- * really significant difference between the inner and outer
- * side of a mergejoin, so match_unsorted_inner creates no paths
- * that aren't equivalent to those made by match_unsorted_outer
- * when add_paths_to_joinrel() is invoked with the two rels given
- * in the other order.
+ * Diked out as redundant 2/13/2000 -- tgl. There isn't any really
+ * significant difference between the inner and outer side of a
+ * mergejoin, so match_unsorted_inner creates no paths that aren't
+ * equivalent to those made by match_unsorted_outer when
+ * add_paths_to_joinrel() is invoked with the two rels given in the
+ * other order.
*/
match_unsorted_inner(root, joinrel, outerrel, innerrel,
restrictlist, mergeclause_list);
/*
* Each possible ordering of the available mergejoin clauses will
- * generate a differently-sorted result path at essentially the
- * same cost. We have no basis for choosing one over another at
- * this level of joining, but some sort orders may be more useful
- * than others for higher-level mergejoins. Generating a path here
- * for *every* permutation of mergejoin clauses doesn't seem like
- * a winning strategy, however; the cost in planning time is too high.
+ * generate a differently-sorted result path at essentially the same
+ * cost. We have no basis for choosing one over another at this level
+ * of joining, but some sort orders may be more useful than others for
+ * higher-level mergejoins. Generating a path here for *every*
+ * permutation of mergejoin clauses doesn't seem like a winning
+ * strategy, however; the cost in planning time is too high.
*
* For now, we generate one path for each mergejoin clause, listing that
- * clause first and the rest in random order. This should allow at least
- * a one-clause mergejoin without re-sorting against any other possible
- * mergejoin partner path. But if we've not guessed the right ordering
- * of secondary clauses, we may end up evaluating clauses as qpquals when
- * they could have been done as mergeclauses. We need to figure out a
- * better way. (Two possible approaches: look at all the relevant index
- * relations to suggest plausible sort orders, or make just one output
- * path and somehow mark it as having a sort-order that can be rearranged
- * freely.)
+ * clause first and the rest in random order. This should allow at
+ * least a one-clause mergejoin without re-sorting against any other
+ * possible mergejoin partner path. But if we've not guessed the
+ * right ordering of secondary clauses, we may end up evaluating
+ * clauses as qpquals when they could have been done as mergeclauses.
+ * We need to figure out a better way. (Two possible approaches: look
+ * at all the relevant index relations to suggest plausible sort
+ * orders, or make just one output path and somehow mark it as having
+ * a sort-order that can be rearranged freely.)
*/
foreach(i, mergeclause_list)
{
- RestrictInfo *restrictinfo = lfirst(i);
- List *curclause_list;
- List *outerkeys;
- List *innerkeys;
- List *merge_pathkeys;
+ RestrictInfo *restrictinfo = lfirst(i);
+ List *curclause_list;
+ List *outerkeys;
+ List *innerkeys;
+ List *merge_pathkeys;
/* Make a mergeclause list with this guy first. */
if (i != mergeclause_list)
lremove(restrictinfo,
listCopy(mergeclause_list)));
else
- curclause_list = mergeclause_list; /* no work at first one... */
+ curclause_list = mergeclause_list; /* no work at first one... */
- /* Build sort pathkeys for both sides.
+ /*
+ * Build sort pathkeys for both sides.
*
- * Note: it's possible that the cheapest paths will already be
- * sorted properly. create_mergejoin_path will detect that case
- * and suppress an explicit sort step, so we needn't do so here.
+ * Note: it's possible that the cheapest paths will already be sorted
+ * properly. create_mergejoin_path will detect that case and
+ * suppress an explicit sort step, so we needn't do so here.
*/
outerkeys = make_pathkeys_for_mergeclauses(root,
curclause_list,
/*
* And now we can make the path. We only consider the cheapest-
* total-cost input paths, since we are assuming here that a sort
- * is required. We will consider cheapest-startup-cost input paths
- * later, and only if they don't need a sort.
+ * is required. We will consider cheapest-startup-cost input
+ * paths later, and only if they don't need a sort.
*/
add_path(joinrel, (Path *)
create_mergejoin_path(joinrel,
* inner path, one on the cheapest-startup-cost inner path (if different),
* and one on the best inner-indexscan path (if any).
*
- * We also consider mergejoins if mergejoin clauses are available. We have
+ * We also consider mergejoins if mergejoin clauses are available. We have
* two ways to generate the inner path for a mergejoin: sort the cheapest
* inner path, or use an inner path that is already suitably ordered for the
* merge. If we have several mergeclauses, it could be that there is no inner
List *i;
/*
- * Get the best innerjoin indexpath (if any) for this outer rel.
- * It's the same for all outer paths.
+ * Get the best innerjoin indexpath (if any) for this outer rel. It's
+ * the same for all outer paths.
*/
bestinnerjoin = best_innerjoin(innerrel->innerjoin, outerrel->relids);
/*
* The result will have this sort order (even if it is implemented
- * as a nestloop, and even if some of the mergeclauses are implemented
- * by qpquals rather than as true mergeclauses):
+ * as a nestloop, and even if some of the mergeclauses are
+ * implemented by qpquals rather than as true mergeclauses):
*/
merge_pathkeys = build_join_pathkeys(outerpath->pathkeys,
joinrel->targetlist,
/* Compute the required ordering of the inner path */
innersortkeys = make_pathkeys_for_mergeclauses(root,
mergeclauses,
- innerrel->targetlist);
+ innerrel->targetlist);
/*
- * Generate a mergejoin on the basis of sorting the cheapest inner.
- * Since a sort will be needed, only cheapest total cost matters.
+ * Generate a mergejoin on the basis of sorting the cheapest
+ * inner. Since a sort will be needed, only cheapest total cost
+ * matters.
*/
add_path(joinrel, (Path *)
create_mergejoin_path(joinrel,
innersortkeys));
/*
- * Look for presorted inner paths that satisfy the mergeclause list
- * or any truncation thereof. Here, we consider both cheap startup
- * cost and cheap total cost.
+ * Look for presorted inner paths that satisfy the mergeclause
+ * list or any truncation thereof. Here, we consider both cheap
+ * startup cost and cheap total cost.
*/
- trialsortkeys = listCopy(innersortkeys); /* modifiable copy */
+ trialsortkeys = listCopy(innersortkeys); /* modifiable copy */
cheapest_startup_inner = NULL;
cheapest_total_inner = NULL;
num_mergeclauses = length(mergeclauses);
Path *innerpath;
List *newclauses = NIL;
- /* Look for an inner path ordered well enough to merge with
- * the first 'clausecnt' mergeclauses. NB: trialsortkeys list
+ /*
+ * Look for an inner path ordered well enough to merge with
+ * the first 'clausecnt' mergeclauses. NB: trialsortkeys list
* is modified destructively, which is why we made a copy...
*/
trialsortkeys = ltruncate(clausecnt, trialsortkeys);
/* Found a cheap (or even-cheaper) sorted path */
if (innerpath != cheapest_total_inner)
{
- /* Avoid rebuilding clause list if we already made one;
- * saves memory in big join trees...
+
+ /*
+ * Avoid rebuilding clause list if we already made
+ * one; saves memory in big join trees...
*/
if (newclauses == NIL)
{
if (clausecnt < num_mergeclauses)
newclauses = ltruncate(clausecnt,
- listCopy(mergeclauses));
+ listCopy(mergeclauses));
else
newclauses = mergeclauses;
}
/* Compute the required ordering of the outer path */
outersortkeys = make_pathkeys_for_mergeclauses(root,
mergeclauses,
- outerrel->targetlist);
+ outerrel->targetlist);
/*
- * Generate a mergejoin on the basis of sorting the cheapest outer.
- * Since a sort will be needed, only cheapest total cost matters.
+ * Generate a mergejoin on the basis of sorting the cheapest
+ * outer. Since a sort will be needed, only cheapest total cost
+ * matters.
*/
merge_pathkeys = build_join_pathkeys(outersortkeys,
joinrel->targetlist,
mergeclauses,
outersortkeys,
NIL));
+
/*
* Now generate mergejoins based on already-sufficiently-ordered
- * outer paths. There's likely to be some redundancy here with paths
- * already generated by merge_unsorted_outer ... but since
+ * outer paths. There's likely to be some redundancy here with
+ * paths already generated by merge_unsorted_outer ... but since
* merge_unsorted_outer doesn't consider all permutations of the
* mergeclause list, it may fail to notice that this particular
* innerpath could have been used with this outerpath.
outersortkeys,
TOTAL_COST);
if (totalouterpath == NULL)
- continue; /* there won't be a startup-cost path either */
+ continue; /* there won't be a startup-cost path
+ * either */
merge_pathkeys = build_join_pathkeys(totalouterpath->pathkeys,
joinrel->targetlist,
List *i;
/*
- * Scan the join's restrictinfo list to find hashjoinable clauses
- * that are usable with this pair of sub-relations. Since we currently
+ * Scan the join's restrictinfo list to find hashjoinable clauses that
+ * are usable with this pair of sub-relations. Since we currently
* accept only var-op-var clauses as hashjoinable, we need only check
* the membership of the vars to determine whether a particular clause
* can be used with this pair of sub-relations. This code would need
*right,
*inner;
List *hashclauses;
- Selectivity innerdisbursion;
+ Selectivity innerdisbursion;
if (restrictinfo->hashjoinoperator == InvalidOid)
continue; /* not hashjoinable */
innerdisbursion = estimate_disbursion(root, inner);
/*
- * We consider both the cheapest-total-cost and cheapest-startup-cost
- * outer paths. There's no need to consider any but the cheapest-
- * total-cost inner path, however.
+ * We consider both the cheapest-total-cost and
+ * cheapest-startup-cost outer paths. There's no need to consider
+ * any but the cheapest- total-cost inner path, however.
*/
add_path(joinrel, (Path *)
create_hashjoin_path(joinrel,
Assert(IsA(path, IndexPath));
- /* path->joinrelids is the set of base rels that must be part of
+ /*
+ * path->joinrelids is the set of base rels that must be part of
* outer_relids in order to use this inner path, because those
* rels are used in the index join quals of this inner path.
*/
*
* We use a default of 0.1 if we can't figure out anything better.
* This will typically discourage use of a hash rather strongly,
- * if the inner relation is large. We do not want to hash unless
+ * if the inner relation is large. We do not want to hash unless
* we know that the inner rel is well-dispersed (or the alternatives
* seem much worse).
*/
{
Oid relid;
- if (! IsA(var, Var))
+ if (!IsA(var, Var))
return 0.1;
relid = getrelid(var->varno, root->rtable);
* Since we currently allow only plain Vars as the left and right sides
* of mergejoin clauses, this test is relatively simple. This routine
* would need to be upgraded to support more-complex expressions
- * as sides of mergejoins. In theory, we could allow arbitrarily complex
+ * as sides of mergejoins. In theory, we could allow arbitrarily complex
* expressions in mergejoins, so long as one side uses only vars from one
* sub-relation and the other side uses only vars from the other.
*/
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/path/joinrels.c,v 1.43 2000/02/07 04:40:59 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/path/joinrels.c,v 1.44 2000/04/12 17:15:20 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static RelOptInfo *make_join_rel(Query *root, RelOptInfo *rel1,
- RelOptInfo *rel2);
+ RelOptInfo *rel2);
/*
/*
* First, consider left-sided and right-sided plans, in which rels of
* exactly level-1 member relations are joined against base relations.
- * We prefer to join using join clauses, but if we find a rel of level-1
- * members that has no join clauses, we will generate Cartesian-product
- * joins against all base rels not already contained in it.
+ * We prefer to join using join clauses, but if we find a rel of
+ * level-1 members that has no join clauses, we will generate
+ * Cartesian-product joins against all base rels not already contained
+ * in it.
*
* In the first pass (level == 2), we try to join each base rel to each
* base rel that appears later in base_rel_list. (The mirror-image
- * joins are handled automatically by make_join_rel.) In later passes,
- * we try to join rels of size level-1 from join_rel_list to each
- * base rel in base_rel_list.
+ * joins are handled automatically by make_join_rel.) In later
+ * passes, we try to join rels of size level-1 from join_rel_list to
+ * each base rel in base_rel_list.
*
* We assume that the rels already present in join_rel_list appear in
* decreasing order of level (number of members). This should be true
* since we always add new higher-level rels to the front of the list.
*/
if (level == 2)
- r = root->base_rel_list; /* level-1 is base rels */
+ r = root->base_rel_list;/* level-1 is base rels */
else
r = root->join_rel_list;
for (; r != NIL; r = lnext(r))
int old_level = length(old_rel->relids);
List *other_rels;
- if (old_level != level-1)
+ if (old_level != level - 1)
break;
if (level == 2)
- other_rels = lnext(r); /* only consider remaining base rels */
+ other_rels = lnext(r); /* only consider remaining base
+ * rels */
else
- other_rels = root->base_rel_list; /* consider all base rels */
+ other_rels = root->base_rel_list; /* consider all base rels */
if (old_rel->joininfo != NIL)
{
+
/*
- * Note that if all available join clauses for this rel require
- * more than one other rel, we will fail to make any joins against
- * it here. That's OK; it'll be considered by "bushy plan" join
- * code in a higher-level pass.
+ * Note that if all available join clauses for this rel
+ * require more than one other rel, we will fail to make any
+ * joins against it here. That's OK; it'll be considered by
+ * "bushy plan" join code in a higher-level pass.
*/
make_rels_by_clause_joins(root,
old_rel,
}
else
{
+
/*
* Oops, we have a relation that is not joined to any other
* relation. Cartesian product time.
/*
* Now, consider "bushy plans" in which relations of k base rels are
* joined to relations of level-k base rels, for 2 <= k <= level-2.
- * The previous loop left r pointing to the first rel of level level-2.
+ * The previous loop left r pointing to the first rel of level
+ * level-2.
*
- * We only consider bushy-plan joins for pairs of rels where there is
- * a suitable join clause, in order to avoid unreasonable growth of
+ * We only consider bushy-plan joins for pairs of rels where there is a
+ * suitable join clause, in order to avoid unreasonable growth of
* planning time.
*/
for (; r != NIL; r = lnext(r))
int old_level = length(old_rel->relids);
List *r2;
- /* We can quit once past the halfway point (make_join_rel took care
- * of making the opposite-direction joins)
+ /*
+ * We can quit once past the halfway point (make_join_rel took
+ * care of making the opposite-direction joins)
*/
if (old_level * 2 < level)
break;
{
List *i;
- /* OK, we can build a rel of the right level from this pair of
- * rels. Do so if there is at least one usable join clause.
+ /*
+ * OK, we can build a rel of the right level from this
+ * pair of rels. Do so if there is at least one usable
+ * join clause.
*/
foreach(i, old_rel->joininfo)
{
foreach(j, other_rels)
{
- RelOptInfo *other_rel = (RelOptInfo *) lfirst(j);
+ RelOptInfo *other_rel = (RelOptInfo *) lfirst(j);
if (is_subseti(unjoined_relids, other_rel->relids))
result = make_join_rel(root, old_rel, other_rel);
static RelOptInfo *
make_join_rel(Query *root, RelOptInfo *rel1, RelOptInfo *rel2)
{
- RelOptInfo *joinrel;
- List *restrictlist;
+ RelOptInfo *joinrel;
+ List *restrictlist;
/*
* Find or build the join RelOptInfo, and compute the restrictlist
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/path/orindxpath.c,v 1.38 2000/03/22 22:08:33 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/path/orindxpath.c,v 1.39 2000/04/12 17:15:20 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static void best_or_subclause_indices(Query *root, RelOptInfo *rel,
- List *subclauses, List *indices,
- IndexPath *pathnode);
+ List *subclauses, List *indices,
+ IndexPath *pathnode);
static void best_or_subclause_index(Query *root, RelOptInfo *rel,
- Expr *subclause, List *indices,
- List **retIndexQual,
- Oid *retIndexid,
- Cost *retStartupCost,
- Cost *retTotalCost);
+ Expr *subclause, List *indices,
+ List **retIndexQual,
+ Oid *retIndexid,
+ Cost *retStartupCost,
+ Cost *retTotalCost);
/*
/*
* Check to see if this clause is an 'or' clause, and, if so,
* whether or not each of the subclauses within the 'or' clause
- * has been matched by an index. The information used was
- * saved by create_index_paths().
+ * has been matched by an index. The information used was saved
+ * by create_index_paths().
*/
if (restriction_is_or_clause(clausenode) &&
clausenode->subclauseindices)
}
if (all_indexable)
{
+
/*
* OK, build an IndexPath for this OR clause, using the
* best available index for each subclause.
pathnode->path.pathtype = T_IndexScan;
pathnode->path.parent = rel;
+
/*
- * This is an IndexScan, but the overall result will consist
- * of tuples extracted in multiple passes (one for each
- * subclause of the OR), so the result cannot be claimed
- * to have any particular ordering.
+ * This is an IndexScan, but the overall result will
+ * consist of tuples extracted in multiple passes (one for
+ * each subclause of the OR), so the result cannot be
+ * claimed to have any particular ordering.
*/
pathnode->path.pathkeys = NIL;
- /* We don't actually care what order the index scans in ... */
+ /*
+ * We don't actually care what order the index scans in
+ * ...
+ */
pathnode->indexscandir = NoMovementScanDirection;
/* This isn't a nestloop innerjoin, so: */
- pathnode->joinrelids = NIL; /* no join clauses here */
+ pathnode->joinrelids = NIL; /* no join clauses here */
pathnode->rows = rel->rows;
best_or_subclause_indices(root,
* This routine also creates the indexqual and indexid lists that will
* be needed by the executor. The indexqual list has one entry for each
* scan of the base rel, which is a sublist of indexqual conditions to
- * apply in that scan. The implicit semantics are AND across each sublist
+ * apply in that scan. The implicit semantics are AND across each sublist
* of quals, and OR across the toplevel list (note that the executor
* takes care not to return any single tuple more than once). The indexid
* list gives the OID of the index to be used in each scan.
pathnode->indexqual = lappend(pathnode->indexqual, best_indexqual);
pathnode->indexid = lappendi(pathnode->indexid, best_indexid);
- if (slist == subclauses) /* first scan? */
+ if (slist == subclauses)/* first scan? */
pathnode->path.startup_cost = best_startup_cost;
pathnode->path.total_cost += best_total_cost;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/path/pathkeys.c,v 1.20 2000/02/18 23:47:19 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/path/pathkeys.c,v 1.21 2000/04/12 17:15:20 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static PathKeyItem *makePathKeyItem(Node *key, Oid sortop);
static List *make_canonical_pathkey(Query *root, PathKeyItem *item);
static Var *find_indexkey_var(Query *root, RelOptInfo *rel,
- AttrNumber varattno);
+ AttrNumber varattno);
/*--------------------
* of scanning the relation and the resulting ordering of the tuples.
* Sequential scan Paths have NIL pathkeys, indicating no known ordering.
* Index scans have Path.pathkeys that represent the chosen index's ordering,
- * if any. A single-key index would create a pathkey with a single sublist,
- * e.g. ( (tab1.indexkey1/sortop1) ). A multi-key index generates a sublist
+ * if any. A single-key index would create a pathkey with a single sublist,
+ * e.g. ( (tab1.indexkey1/sortop1) ). A multi-key index generates a sublist
* per key, e.g. ( (tab1.indexkey1/sortop1) (tab1.indexkey2/sortop2) ) which
* shows major sort by indexkey1 (ordering by sortop1) and minor sort by
* indexkey2 with sortop2.
* ordering operators used.
*
* Things get more interesting when we consider joins. Suppose we do a
- * mergejoin between A and B using the mergeclause A.X = B.Y. The output
+ * mergejoin between A and B using the mergeclause A.X = B.Y. The output
* of the mergejoin is sorted by X --- but it is also sorted by Y. We
* represent this fact by listing both keys in a single pathkey sublist:
- * ( (A.X/xsortop B.Y/ysortop) ). This pathkey asserts that the major
+ * ( (A.X/xsortop B.Y/ysortop) ). This pathkey asserts that the major
* sort order of the Path can be taken to be *either* A.X or B.Y.
* They are equal, so they are both primary sort keys. By doing this,
* we allow future joins to use either var as a pre-sorted key, so upper
* We did implement pathkeys just as described above, and found that the
* planner spent a huge amount of time comparing pathkeys, because the
* representation of pathkeys as unordered lists made it expensive to decide
- * whether two were equal or not. So, we've modified the representation
+ * whether two were equal or not. So, we've modified the representation
* as described next.
*
* If we scan the WHERE clause for equijoin clauses (mergejoinable clauses)
* during planner startup, we can construct lists of equivalent pathkey items
- * for the query. There could be more than two items per equivalence set;
+ * for the query. There could be more than two items per equivalence set;
* for example, WHERE A.X = B.Y AND B.Y = C.Z AND D.R = E.S creates the
* equivalence sets { A.X B.Y C.Z } and { D.R E.S } (plus associated sortops).
* Any pathkey item that belongs to an equivalence set implies that all the
* equivalence set, we instantly add all the other vars equivalenced to it,
* whether they appear yet in the pathkey's relation or not. And we also
* mandate that the pathkey sublist appear in the same order as the
- * equivalence set it comes from. (In practice, we simply return a pointer
+ * equivalence set it comes from. (In practice, we simply return a pointer
* to the relevant equivalence set without building any new sublist at all.)
* This makes comparing pathkeys very simple and fast, and saves a lot of
* work and memory space for pathkey construction as well.
*
* Note that pathkey sublists having just one item still exist, and are
- * not expected to be equal() to any equivalence set. This occurs when
+ * not expected to be equal() to any equivalence set. This occurs when
* we describe a sort order that involves a var that's not mentioned in
* any equijoin clause of the WHERE. We could add singleton sets containing
* such vars to the query's list of equivalence sets, but there's little
* point in doing so.
*
* By the way, it's OK and even useful for us to build equivalence sets
- * that mention multiple vars from the same relation. For example, if
+ * that mention multiple vars from the same relation. For example, if
* we have WHERE A.X = A.Y and we are scanning A using an index on X,
* we can legitimately conclude that the path is sorted by Y as well;
* and this could be handy if Y is the variable used in other join clauses
static PathKeyItem *
makePathKeyItem(Node *key, Oid sortop)
{
- PathKeyItem *item = makeNode(PathKeyItem);
+ PathKeyItem *item = makeNode(PathKeyItem);
item->key = key;
item->sortop = sortop;
/* We might see a clause X=X; don't make a single-element list from it */
if (equal(item1, item2))
return;
+
/*
- * Our plan is to make a two-element set, then sweep through the existing
- * equijoin sets looking for matches to item1 or item2. When we find one,
- * we remove that set from equi_key_list and union it into our new set.
- * When done, we add the new set to the front of equi_key_list.
+ * Our plan is to make a two-element set, then sweep through the
+ * existing equijoin sets looking for matches to item1 or item2. When
+ * we find one, we remove that set from equi_key_list and union it
+ * into our new set. When done, we add the new set to the front of
+ * equi_key_list.
*
* This is a standard UNION-FIND problem, for which there exist better
* data structures than simple lists. If this code ever proves to be
{
/* Found a set to merge into our new set */
newset = LispUnion(newset, curset);
- /* Remove old set from equi_key_list. NOTE this does not change
- * lnext(cursetlink), so the outer foreach doesn't break.
+
+ /*
+ * Remove old set from equi_key_list. NOTE this does not
+ * change lnext(cursetlink), so the outer foreach doesn't
+ * break.
*/
root->equi_key_list = lremove(curset, root->equi_key_list);
freeList(curset); /* might as well recycle old cons cells */
* Given a PathKeyItem, find the equi_key_list subset it is a member of,
* if any. If so, return a pointer to that sublist, which is the
* canonical representation (for this query) of that PathKeyItem's
- * equivalence set. If it is not found, return a single-element list
+ * equivalence set. If it is not found, return a single-element list
* containing the PathKeyItem (when the item has no equivalence peers,
* we just allow it to be a standalone list).
*
foreach(i, pathkeys)
{
- List *pathkey = (List *) lfirst(i);
- PathKeyItem *item;
+ List *pathkey = (List *) lfirst(i);
+ PathKeyItem *item;
/*
- * It's sufficient to look at the first entry in the sublist;
- * if there are more entries, they're already part of an
- * equivalence set by definition.
+ * It's sufficient to look at the first entry in the sublist; if
+ * there are more entries, they're already part of an equivalence
+ * set by definition.
*/
Assert(pathkey != NIL);
item = (PathKeyItem *) lfirst(pathkey);
* one is "better" than the other.
*
* A pathkey can be considered better than another if it is a superset:
- * it contains all the keys of the other plus more. For example, either
+ * it contains all the keys of the other plus more. For example, either
* ((A) (B)) or ((A B)) is better than ((A)).
*
* Because we actually only expect to see canonicalized pathkey sublists,
* we don't have to do the full two-way-subset-inclusion test on each
- * pair of sublists that is implied by the above statement. Instead we
+ * pair of sublists that is implied by the above statement. Instead we
* just do an equal(). In the normal case where multi-element sublists
* are pointers into the root's equi_key_list, equal() will be very fast:
* it will recognize pointer equality when the sublists are the same,
List *subkey1 = lfirst(key1);
List *subkey2 = lfirst(key2);
- /* We will never have two subkeys where one is a subset of the other,
- * because of the canonicalization explained above. Either they are
- * equal or they ain't.
+ /*
+ * We will never have two subkeys where one is a subset of the
+ * other, because of the canonicalization explained above. Either
+ * they are equal or they ain't.
*/
- if (! equal(subkey1, subkey2))
- return PATHKEYS_DIFFERENT; /* no need to keep looking */
+ if (!equal(subkey1, subkey2))
+ return PATHKEYS_DIFFERENT; /* no need to keep looking */
}
- /* If we reached the end of only one list, the other is longer and
- * therefore not a subset. (We assume the additional sublist(s)
- * of the other list are not NIL --- no pathkey list should ever have
- * a NIL sublist.)
+ /*
+ * If we reached the end of only one list, the other is longer and
+ * therefore not a subset. (We assume the additional sublist(s) of
+ * the other list are not NIL --- no pathkey list should ever have a
+ * NIL sublist.)
*/
if (key1 == NIL && key2 == NIL)
return PATHKEYS_EQUAL;
if (key1 != NIL)
- return PATHKEYS_BETTER1; /* key1 is longer */
+ return PATHKEYS_BETTER1;/* key1 is longer */
return PATHKEYS_BETTER2; /* key2 is longer */
}
{
switch (compare_pathkeys(keys1, keys2))
{
- case PATHKEYS_EQUAL:
- case PATHKEYS_BETTER2:
+ case PATHKEYS_EQUAL:
+ case PATHKEYS_BETTER2:
return true;
default:
break;
* do that first.
*/
if (matched_path != NULL &&
- compare_fractional_path_costs(matched_path, path, fraction) <= 0)
+ compare_fractional_path_costs(matched_path, path, fraction) <= 0)
continue;
if (pathkeys_contained_in(pathkeys, path->pathkeys))
* its "ordering" field, and we will return NIL.)
*
* If 'scandir' is BackwardScanDirection, attempt to build pathkeys
- * representing a backwards scan of the index. Return NIL if can't do it.
+ * representing a backwards scan of the index. Return NIL if can't do it.
*/
List *
build_index_pathkeys(Query *root,
/* Normal non-functional index */
while (*indexkeys != 0 && *ordering != InvalidOid)
{
- Var *relvar = find_indexkey_var(root, rel, *indexkeys);
+ Var *relvar = find_indexkey_var(root, rel, *indexkeys);
sortop = *ordering;
if (ScanDirectionIsBackward(scandir))
foreach(temp, rel->targetlist)
{
- Var *tle_var = get_expr(lfirst(temp));
+ Var *tle_var = get_expr(lfirst(temp));
- if (IsA(tle_var, Var) && tle_var->varattno == varattno)
+ if (IsA(tle_var, Var) &&tle_var->varattno == varattno)
return tle_var;
}
List *join_rel_tlist,
List *equi_key_list)
{
+
/*
* This used to be quite a complex bit of code, but now that all
- * pathkey sublists start out life canonicalized, we don't have to
- * do a darn thing here! The inner-rel vars we used to need to add
- * are *already* part of the outer pathkey!
+ * pathkey sublists start out life canonicalized, we don't have to do
+ * a darn thing here! The inner-rel vars we used to need to add are
+ * *already* part of the outer pathkey!
*
* I'd remove the routine entirely, but maybe someday we'll need it...
*/
foreach(i, sortclauses)
{
- SortClause *sortcl = (SortClause *) lfirst(i);
- Node *sortkey;
- PathKeyItem *pathkey;
+ SortClause *sortcl = (SortClause *) lfirst(i);
+ Node *sortkey;
+ PathKeyItem *pathkey;
sortkey = get_sortgroupclause_expr(sortcl, tlist);
pathkey = makePathKeyItem(sortkey, sortcl->sortop);
+
/*
* The pathkey becomes a one-element sublist, for now;
- * canonicalize_pathkeys() might replace it with a longer
- * sublist later.
+ * canonicalize_pathkeys() might replace it with a longer sublist
+ * later.
*/
pathkeys = lappend(pathkeys, lcons(pathkey, NIL));
}
foreach(i, pathkeys)
{
- List *pathkey = lfirst(i);
- RestrictInfo *matched_restrictinfo = NULL;
- List *j;
+ List *pathkey = lfirst(i);
+ RestrictInfo *matched_restrictinfo = NULL;
+ List *j;
/*
- * We can match any of the keys in this pathkey sublist,
- * since they're all equivalent. And we can match against
- * either left or right side of any mergejoin clause we haven't
- * used yet. For the moment we use a dumb "greedy" algorithm
- * with no backtracking. Is it worth being any smarter to
- * make a longer list of usable mergeclauses? Probably not.
+ * We can match any of the keys in this pathkey sublist, since
+ * they're all equivalent. And we can match against either left
+ * or right side of any mergejoin clause we haven't used yet. For
+ * the moment we use a dumb "greedy" algorithm with no
+ * backtracking. Is it worth being any smarter to make a longer
+ * list of usable mergeclauses? Probably not.
*/
foreach(j, pathkey)
{
- PathKeyItem *keyitem = lfirst(j);
- Node *key = keyitem->key;
- Oid keyop = keyitem->sortop;
- List *k;
+ PathKeyItem *keyitem = lfirst(j);
+ Node *key = keyitem->key;
+ Oid keyop = keyitem->sortop;
+ List *k;
foreach(k, restrictinfos)
{
- RestrictInfo *restrictinfo = lfirst(k);
+ RestrictInfo *restrictinfo = lfirst(k);
Assert(restrictinfo->mergejoinoperator != InvalidOid);
equal(key, get_leftop(restrictinfo->clause))) ||
(keyop == restrictinfo->right_sortop &&
equal(key, get_rightop(restrictinfo->clause)))) &&
- ! member(restrictinfo, mergeclauses))
+ !member(restrictinfo, mergeclauses))
{
matched_restrictinfo = restrictinfo;
break;
/*
* If we didn't find a mergeclause, we're done --- any additional
- * sort-key positions in the pathkeys are useless. (But we can
+ * sort-key positions in the pathkeys are useless. (But we can
* still mergejoin if we found at least one mergeclause.)
*/
- if (! matched_restrictinfo)
+ if (!matched_restrictinfo)
break;
+
/*
* If we did find a usable mergeclause for this sort-key position,
* add it to result list.
* 'mergeclauses' is a list of RestrictInfos for mergejoin clauses
* that will be used in a merge join.
* 'tlist' is a relation target list for either the inner or outer
- * side of the proposed join rel. (Not actually needed anymore)
+ * side of the proposed join rel. (Not actually needed anymore)
*
* Returns a pathkeys list that can be applied to the indicated relation.
*
/*
* Find the key and sortop needed for this mergeclause.
*
- * Both sides of the mergeclause should appear in one of the
- * query's pathkey equivalence classes, so it doesn't matter
- * which one we use here.
+ * Both sides of the mergeclause should appear in one of the query's
+ * pathkey equivalence classes, so it doesn't matter which one we
+ * use here.
*/
key = (Node *) get_leftop(restrictinfo->clause);
sortop = restrictinfo->left_sortop;
+
/*
- * Find pathkey sublist for this sort item. We expect to find
- * the canonical set including the mergeclause's left and right
- * sides; if we get back just the one item, something is rotten.
+ * Find pathkey sublist for this sort item. We expect to find the
+ * canonical set including the mergeclause's left and right sides;
+ * if we get back just the one item, something is rotten.
*/
item = makePathKeyItem(key, sortop);
pathkey = make_canonical_pathkey(root, item);
Assert(length(pathkey) > 1);
+
/*
- * Since the item we just made is not in the returned canonical set,
- * we can free it --- this saves a useful amount of storage in a
- * big join tree.
+ * Since the item we just made is not in the returned canonical
+ * set, we can free it --- this saves a useful amount of storage
+ * in a big join tree.
*/
pfree(item);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/path/tidpath.c,v 1.5 2000/02/15 20:49:17 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/path/tidpath.c,v 1.6 2000/04/12 17:15:20 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "utils/lsyscache.h"
static void create_tidscan_joinpaths(RelOptInfo *rel);
-static List *TidqualFromRestrictinfo(List *relids, List *restrictinfo);
-static bool isEvaluable(int varno, Node *node);
-static Node *TidequalClause(int varno, Expr *node);
-static List *TidqualFromExpr(int varno, Expr *expr);
+static List *TidqualFromRestrictinfo(List *relids, List *restrictinfo);
+static bool isEvaluable(int varno, Node *node);
+static Node *TidequalClause(int varno, Expr *node);
+static List *TidqualFromExpr(int varno, Expr *expr);
static
-bool isEvaluable(int varno, Node *node)
+bool
+isEvaluable(int varno, Node *node)
{
- List *lst;
- Expr *expr;
+ List *lst;
+ Expr *expr;
- if (IsA(node, Const)) return true;
- if (IsA(node, Param)) return true;
+ if (IsA(node, Const))
+ return true;
+ if (IsA(node, Param))
+ return true;
if (IsA(node, Var))
{
- Var *var = (Var *)node;
+ Var *var = (Var *) node;
if (var->varno == varno)
return false;
return true;
}
- if (!is_funcclause(node)) return false;
- expr = (Expr *)node;
- foreach (lst, expr->args)
+ if (!is_funcclause(node))
+ return false;
+ expr = (Expr *) node;
+ foreach(lst, expr->args)
{
if (!isEvaluable(varno, lfirst(lst)))
return false;
/*
* The 2nd parameter should be an opclause
* Extract the right node if the opclause is CTID= ....
- * or the left node if the opclause is ....=CTID
+ * or the left node if the opclause is ....=CTID
*/
static
-Node *TidequalClause(int varno, Expr *node)
+Node *
+TidequalClause(int varno, Expr *node)
{
- Node *rnode = 0, *arg1, *arg2, *arg;
- Oper *oper;
- Var *var;
- Const *aconst;
- Param *param;
- Expr *expr;
+ Node *rnode = 0,
+ *arg1,
+ *arg2,
+ *arg;
+ Oper *oper;
+ Var *var;
+ Const *aconst;
+ Param *param;
+ Expr *expr;
- if (!node->oper) return rnode;
- if (!node->args) return rnode;
- if (length(node->args) != 2) return rnode;
- oper = (Oper *) node->oper;
+ if (!node->oper)
+ return rnode;
+ if (!node->args)
+ return rnode;
+ if (length(node->args) != 2)
+ return rnode;
+ oper = (Oper *) node->oper;
if (oper->opno != TIDEqualOperator)
return rnode;
arg1 = lfirst(node->args);
arg2 = lsecond(node->args);
- arg = (Node *)0;
+ arg = (Node *) 0;
if (IsA(arg1, Var))
{
var = (Var *) arg1;
if (var->varno == varno &&
- var->varattno == SelfItemPointerAttributeNumber &&
- var->vartype == TIDOID)
+ var->varattno == SelfItemPointerAttributeNumber &&
+ var->vartype == TIDOID)
arg = arg2;
else if (var->varnoold == varno &&
- var->varoattno == SelfItemPointerAttributeNumber &&
- var->vartype == TIDOID)
+ var->varoattno == SelfItemPointerAttributeNumber &&
+ var->vartype == TIDOID)
arg = arg2;
}
if ((!arg) && IsA(arg2, Var))
{
var = (Var *) arg2;
if (var->varno == varno &&
- var->varattno == SelfItemPointerAttributeNumber &&
- var->vartype == TIDOID)
+ var->varattno == SelfItemPointerAttributeNumber &&
+ var->vartype == TIDOID)
arg = arg1;
}
if (!arg)
return rnode;
switch (nodeTag(arg))
{
- case T_Const:
+ case T_Const:
aconst = (Const *) arg;
if (aconst->consttype != TIDOID)
return rnode;
return rnode;
rnode = arg;
break;
- case T_Param:
+ case T_Param:
param = (Param *) arg;
if (param->paramtype != TIDOID)
return rnode;
rnode = arg;
break;
- case T_Var:
+ case T_Var:
var = (Var *) arg;
if (var->varno == varno ||
- var->vartype != TIDOID)
+ var->vartype != TIDOID)
return rnode;
rnode = arg;
break;
- case T_Expr:
+ case T_Expr:
expr = (Expr *) arg;
- if (expr->typeOid != TIDOID) return rnode;
- if (expr->opType != FUNC_EXPR) return rnode;
- if (isEvaluable(varno, (Node *)expr))
+ if (expr->typeOid != TIDOID)
+ return rnode;
+ if (expr->opType != FUNC_EXPR)
+ return rnode;
+ if (isEvaluable(varno, (Node *) expr))
rnode = arg;
break;
- default:
+ default:
break;
}
return rnode;
* When the expr node is an and_clause,we return the list of
* CTID values if we could extract the CTID values from a member
* node.
- */
+ */
static
-List *TidqualFromExpr(int varno, Expr *expr)
+List *
+TidqualFromExpr(int varno, Expr *expr)
{
- List *rlst = NIL, *lst, *frtn;
- Node *node = (Node *) expr, *rnode;
+ List *rlst = NIL,
+ *lst,
+ *frtn;
+ Node *node = (Node *) expr,
+ *rnode;
if (is_opclause(node))
{
rnode = TidequalClause(varno, expr);
if (rnode)
- {
rlst = lcons(rnode, rlst);
- }
}
else if (and_clause(node))
{
- foreach (lst, expr->args)
+ foreach(lst, expr->args)
{
node = lfirst(lst);
- if (!IsA(node, Expr))
+ if (!IsA(node, Expr))
continue;
- rlst = TidqualFromExpr(varno, (Expr *)node);
+ rlst = TidqualFromExpr(varno, (Expr *) node);
if (rlst)
break;
}
}
else if (or_clause(node))
{
- foreach (lst, expr->args)
+ foreach(lst, expr->args)
{
node = lfirst(lst);
if (IsA(node, Expr) &&
- (frtn = TidqualFromExpr(varno, (Expr *)node)) )
- {
+ (frtn = TidqualFromExpr(varno, (Expr *) node)))
rlst = nconc(rlst, frtn);
- }
else
{
if (rlst)
}
}
return rlst;
-}
+}
static List *
TidqualFromRestrictinfo(List *relids, List *restrictinfo)
{
- List *lst, *rlst = NIL;
- int varno;
- Node *node;
- Expr *expr;
+ List *lst,
+ *rlst = NIL;
+ int varno;
+ Node *node;
+ Expr *expr;
if (length(relids) != 1)
return NIL;
varno = lfirsti(relids);
- foreach (lst, restrictinfo)
+ foreach(lst, restrictinfo)
{
node = lfirst(lst);
- if (!IsA(node, RestrictInfo)) continue;
- expr = ((RestrictInfo *)node)->clause;
+ if (!IsA(node, RestrictInfo))
+ continue;
+ expr = ((RestrictInfo *) node)->clause;
rlst = TidqualFromExpr(varno, expr);
if (rlst)
break;
static void
create_tidscan_joinpaths(RelOptInfo *rel)
{
- List *rlst = NIL,
- *lst;
+ List *rlst = NIL,
+ *lst;
- foreach (lst, rel->joininfo)
+ foreach(lst, rel->joininfo)
{
JoinInfo *joininfo = (JoinInfo *) lfirst(lst);
- List *restinfo,
- *tideval;
+ List *restinfo,
+ *tideval;
restinfo = joininfo->jinfo_restrictinfo;
tideval = TidqualFromRestrictinfo(rel->relids, restinfo);
if (length(tideval) == 1)
{
- TidPath *pathnode = makeNode(TidPath);
+ TidPath *pathnode = makeNode(TidPath);
pathnode->path.pathtype = T_TidScan;
pathnode->path.parent = rel;
void
create_tidscan_paths(Query *root, RelOptInfo *rel)
{
- List *tideval = TidqualFromRestrictinfo(rel->relids,
- rel->baserestrictinfo);
-
+ List *tideval = TidqualFromRestrictinfo(rel->relids,
+ rel->baserestrictinfo);
+
if (tideval)
add_path(rel, (Path *) create_tidscan_path(rel, tideval));
create_tidscan_joinpaths(rel);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/createplan.c,v 1.88 2000/04/04 01:21:47 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/createplan.c,v 1.89 2000/04/12 17:15:21 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static List *switch_outer(List *clauses);
-static int set_tlist_sort_info(List *tlist, List *pathkeys);
+static int set_tlist_sort_info(List *tlist, List *pathkeys);
static Scan *create_scan_node(Query *root, Path *best_path, List *tlist);
static Join *create_join_node(Query *root, JoinPath *best_path, List *tlist);
static SeqScan *create_seqscan_node(Path *best_path, List *tlist,
List *scan_clauses);
static IndexScan *create_indexscan_node(Query *root, IndexPath *best_path,
- List *tlist, List *scan_clauses);
+ List *tlist, List *scan_clauses);
static TidScan *create_tidscan_node(TidPath *best_path, List *tlist,
- List *scan_clauses);
+ List *scan_clauses);
static NestLoop *create_nestloop_node(NestPath *best_path, List *tlist,
List *clauses, Plan *outer_node, List *outer_tlist,
Plan *inner_node, List *inner_tlist);
Plan *inner_node, List *inner_tlist);
static List *fix_indxqual_references(List *indexquals, IndexPath *index_path);
static List *fix_indxqual_sublist(List *indexqual, int baserelid, Oid relam,
- Form_pg_index index);
+ Form_pg_index index);
static Node *fix_indxqual_operand(Node *node, int baserelid,
- Form_pg_index index,
- Oid *opclass);
+ Form_pg_index index,
+ Oid *opclass);
static IndexScan *make_indexscan(List *qptlist, List *qpqual, Index scanrelid,
- List *indxid, List *indxqual,
- List *indxqualorig,
- ScanDirection indexscandir);
+ List *indxid, List *indxqual,
+ List *indxqualorig,
+ ScanDirection indexscandir);
static TidScan *make_tidscan(List *qptlist, List *qpqual, Index scanrelid,
- List *tideval);
+ List *tideval);
static NestLoop *make_nestloop(List *qptlist, List *qpqual, Plan *lefttree,
Plan *righttree);
static HashJoin *make_hashjoin(List *tlist, List *qpqual,
case T_TidScan:
node = (Scan *) create_tidscan_node((TidPath *) best_path,
- tlist,
- scan_clauses);
+ tlist,
+ scan_clauses);
break;
default:
}
#ifdef NOT_USED
+
/*
* * Expensive function pullups may have pulled local predicates *
* into this path node. Put them in the qpqual of the plan node. *
if (get_loc_restrictinfo(best_path) != NIL)
set_qpqual((Plan) retval,
nconc(get_qpqual((Plan) retval),
- get_actual_clauses(get_loc_restrictinfo(best_path))));
+ get_actual_clauses(get_loc_restrictinfo(best_path))));
#endif
return retval;
* for lossy indices the indxqual predicates need to be double-checked
* after the index fetches the best-guess tuples.
*
- * Since the indexquals were generated from the restriction clauses
- * given by scan_clauses, there will normally be some duplications
- * between the lists. We get rid of the duplicates, then add back
- * if lossy.
+ * Since the indexquals were generated from the restriction clauses given
+ * by scan_clauses, there will normally be some duplications between
+ * the lists. We get rid of the duplicates, then add back if lossy.
*/
if (length(indxqual) > 1)
{
+
/*
* Build an expression representation of the indexqual, expanding
- * the implicit OR and AND semantics of the first- and second-level
- * lists.
+ * the implicit OR and AND semantics of the first- and
+ * second-level lists.
*/
List *orclauses = NIL;
List *orclause;
}
else if (indxqual != NIL)
{
- /* Here, we can simply treat the first sublist as an independent
- * set of qual expressions, since there is no top-level OR behavior.
+
+ /*
+ * Here, we can simply treat the first sublist as an independent
+ * set of qual expressions, since there is no top-level OR
+ * behavior.
*/
List *indxqual_list = lfirst(indxqual);
else
qpqual = scan_clauses;
- /* The executor needs a copy with the indexkey on the left of each clause
- * and with index attr numbers substituted for table ones.
+ /*
+ * The executor needs a copy with the indexkey on the left of each
+ * clause and with index attr numbers substituted for table ones.
*/
fixed_indxqual = fix_indxqual_references(indxqual, best_path);
static TidScan *
make_tidscan(List *qptlist,
List *qpqual,
- Index scanrelid,
+ Index scanrelid,
List *tideval)
{
- TidScan *node = makeNode(TidScan);
- Plan *plan = &node->scan.plan;
+ TidScan *node = makeNode(TidScan);
+ Plan *plan = &node->scan.plan;
/* cost should be inserted by caller */
plan->state = (EState *) NULL;
plan->lefttree = NULL;
plan->righttree = NULL;
node->scan.scanrelid = scanrelid;
- node->tideval = copyObject(tideval); /* XXX do we really need a copy? */
+ node->tideval = copyObject(tideval); /* XXX do we really need a
+ * copy? */
node->needRescan = false;
node->scan.scanstate = (CommonScanState *) NULL;
static TidScan *
create_tidscan_node(TidPath *best_path, List *tlist, List *scan_clauses)
{
- TidScan *scan_node;
- Index scan_relid;
+ TidScan *scan_node;
+ Index scan_relid;
/* there should be exactly one base rel involved... */
Assert(length(best_path->path.parent->relids) == 1);
best_path->tideval);
if (best_path->unjoined_relids)
- scan_node->needRescan = true;
+ scan_node->needRescan = true;
copy_path_costsize(&scan_node->scan.plan, &best_path->path);
* once we have changed a Var node to refer to a subplan output rather than
* the original relation, it is no longer equal() to an unmodified Var node
* for the same var. So, we cannot easily compare reference-adjusted qual
- * clauses to clauses that have not been adjusted. Fortunately, that
+ * clauses to clauses that have not been adjusted. Fortunately, that
* doesn't seem to be necessary; all the decisions are made before we do
* the reference adjustments.
*
if (IsA(inner_node, IndexScan))
{
+
/*
* An index is being used to reduce the number of tuples scanned
* in the inner relation. If there are join clauses being used
{
Index innerrel = innerscan->scan.scanrelid;
- /* Remove redundant tests from my clauses, if possible.
- * Note we must compare against indxqualorig not the "fixed"
- * indxqual (which has index attnos instead of relation attnos,
- * and may have been commuted as well).
+ /*
+ * Remove redundant tests from my clauses, if possible. Note
+ * we must compare against indxqualorig not the "fixed"
+ * indxqual (which has index attnos instead of relation
+ * attnos, and may have been commuted as well).
*/
- if (length(indxqualorig) == 1) /* single indexscan? */
+ if (length(indxqualorig) == 1) /* single indexscan? */
clauses = set_difference(clauses, lfirst(indxqualorig));
/* only refs to outer vars get changed in the inner indexqual */
}
else if (IsA(inner_node, TidScan))
{
- List *inner_tideval = ((TidScan *) inner_node)->tideval;
- TidScan *innerscan = (TidScan *) inner_node;
+ List *inner_tideval = ((TidScan *) inner_node)->tideval;
+ TidScan *innerscan = (TidScan *) inner_node;
+
((TidScan *) inner_node)->tideval = join_references(inner_tideval, outer_tlist, inner_tlist, innerscan->scan.scanrelid);
- }
+ }
else if (IsA_Join(inner_node))
{
+
/*
* Materialize the inner join for speed reasons.
*
* XXX It is probably *not* always fastest to materialize an inner
- * join --- how can we estimate whether this is a good thing to do?
+ * join --- how can we estimate whether this is a good thing to
+ * do?
*/
inner_node = (Plan *) make_noname(inner_tlist,
NIL,
mergeclauses = get_actual_clauses(best_path->path_mergeclauses);
/*
- * Remove the mergeclauses from the list of join qual clauses,
- * leaving the list of quals that must be checked as qpquals.
- * Set those clauses to contain INNER/OUTER var references.
+ * Remove the mergeclauses from the list of join qual clauses, leaving
+ * the list of quals that must be checked as qpquals. Set those
+ * clauses to contain INNER/OUTER var references.
*/
qpqual = join_references(set_difference(clauses, mergeclauses),
outer_tlist,
/*
* NOTE: there will always be exactly one hashclause in the list
- * best_path->path_hashclauses (cf. hash_inner_and_outer()).
- * We represent it as a list anyway, for convenience with routines
- * that want to work on lists of clauses.
+ * best_path->path_hashclauses (cf. hash_inner_and_outer()). We
+ * represent it as a list anyway, for convenience with routines that
+ * want to work on lists of clauses.
*/
hashclauses = get_actual_clauses(best_path->path_hashclauses);
/*
- * Remove the hashclauses from the list of join qual clauses,
- * leaving the list of quals that must be checked as qpquals.
- * Set those clauses to contain INNER/OUTER var references.
+ * Remove the hashclauses from the list of join qual clauses, leaving
+ * the list of quals that must be checked as qpquals. Set those
+ * clauses to contain INNER/OUTER var references.
*/
qpqual = join_references(set_difference(clauses, hashclauses),
outer_tlist,
*
* For each qual clause, commute if needed to put the indexkey operand on the
* left, and then change its varno. (We do not need to change the other side
- * of the clause.) Also change the operator if necessary.
+ * of the clause.) Also change the operator if necessary.
*/
static List *
fix_indxqual_sublist(List *indexqual, int baserelid, Oid relam,
length(clause->args) != 2)
elog(ERROR, "fix_indxqual_sublist: indexqual clause is not binary opclause");
- /* Which side is the indexkey on?
+ /*
+ * Which side is the indexkey on?
*
* get_relattval sets flag&SEL_RIGHT if the indexkey is on the LEFT.
*/
get_relattval((Node *) clause, baserelid,
&relid, &attno, &constval, &flag);
- /* Make a copy that will become the fixed clause.
+ /*
+ * Make a copy that will become the fixed clause.
*
* We used to try to do a shallow copy here, but that fails if there
* is a subplan in the arguments of the opclause. So just do a
if ((flag & SEL_RIGHT) == 0)
CommuteClause(newclause);
- /* Now, determine which index attribute this is,
- * change the indexkey operand as needed,
- * and get the index opclass.
+ /*
+ * Now, determine which index attribute this is, change the
+ * indexkey operand as needed, and get the index opclass.
*/
lfirst(newclause->args) = fix_indxqual_operand(lfirst(newclause->args),
baserelid,
index,
&opclass);
- /* Substitute the appropriate operator if the expression operator
- * is merely binary-compatible with the index. This shouldn't fail,
- * since indxpath.c found it before...
+ /*
+ * Substitute the appropriate operator if the expression operator
+ * is merely binary-compatible with the index. This shouldn't
+ * fail, since indxpath.c found it before...
*/
newopno = indexable_operator(newclause, opclass, relam, true);
if (newopno == InvalidOid)
if (index->indkey[pos] == varatt)
{
Node *newnode = copyObject(node);
+
((Var *) newnode)->varattno = pos + 1;
*opclass = index->indclass[pos];
return newnode;
}
}
}
+
/*
* Oops, this Var isn't the indexkey!
*/
/*
* Else, it must be a func expression representing a functional index.
*
- * Currently, there is no need for us to do anything here for
- * functional indexes. If nodeIndexscan.c sees a func clause as the left
- * or right-hand toplevel operand of an indexqual, it assumes that that is
- * a reference to the functional index's value and makes the appropriate
- * substitution. (It would be cleaner to make the substitution here, I
- * think --- suspect this issue if a join clause involving a function call
- * misbehaves...)
+ * Currently, there is no need for us to do anything here for functional
+ * indexes. If nodeIndexscan.c sees a func clause as the left or
+ * right-hand toplevel operand of an indexqual, it assumes that that
+ * is a reference to the functional index's value and makes the
+ * appropriate substitution. (It would be cleaner to make the
+ * substitution here, I think --- suspect this issue if a join clause
+ * involving a function call misbehaves...)
*/
/* indclass[0] is the only class of a functional index */
Assert(op && IsA(op, Var));
if (var_is_outer(op))
{
+
/*
* Duplicate just enough of the structure to allow commuting
* the clause without changing the original list. Could use
foreach(i, pathkeys)
{
- List *keysublist = (List *) lfirst(i);
- PathKeyItem *pathkey = NULL;
- Resdom *resdom = NULL;
- List *j;
+ List *keysublist = (List *) lfirst(i);
+ PathKeyItem *pathkey = NULL;
+ Resdom *resdom = NULL;
+ List *j;
/*
* We can sort by any one of the sort key items listed in this
- * sublist. For now, we take the first one that corresponds to
- * an available Var in the tlist.
+ * sublist. For now, we take the first one that corresponds to an
+ * available Var in the tlist.
*
* XXX if we have a choice, is there any way of figuring out which
* might be cheapest to execute? (For example, int4lt is likely
- * much cheaper to execute than numericlt, but both might appear in
- * the same pathkey sublist...) Not clear that we ever will have
- * a choice in practice, so it may not matter.
+ * much cheaper to execute than numericlt, but both might appear
+ * in the same pathkey sublist...) Not clear that we ever will
+ * have a choice in practice, so it may not matter.
*/
foreach(j, keysublist)
{
elog(ERROR, "set_tlist_sort_info: cannot find tlist item to sort");
/*
- * The resdom might be already marked as a sort key, if the pathkeys
- * contain duplicate entries. (This can happen in scenarios where
- * multiple mergejoinable clauses mention the same var, for example.)
- * In that case the current pathkey is essentially a no-op, because
- * only one value can be seen within any subgroup where it would be
- * consulted. We can ignore it.
+ * The resdom might be already marked as a sort key, if the
+ * pathkeys contain duplicate entries. (This can happen in
+ * scenarios where multiple mergejoinable clauses mention the same
+ * var, for example.) In that case the current pathkey is
+ * essentially a no-op, because only one value can be seen within
+ * any subgroup where it would be consulted. We can ignore it.
*/
if (resdom->reskey == 0)
{
Plan *plan = &node->plan;
copy_plan_costsize(plan, lefttree);
- /* For plausibility, make startup & total costs equal total cost of
+
+ /*
+ * For plausibility, make startup & total costs equal total cost of
* input plan; this only affects EXPLAIN display not decisions.
*/
plan->startup_cost = plan->total_cost;
Plan *plan = &node->plan;
Path sort_path; /* dummy for result of cost_sort */
- copy_plan_costsize(plan, lefttree); /* only care about copying size */
+ copy_plan_costsize(plan, lefttree); /* only care about copying size */
cost_sort(&sort_path, NIL, lefttree->plan_rows, lefttree->plan_width);
plan->startup_cost = sort_path.startup_cost + lefttree->total_cost;
plan->total_cost = sort_path.total_cost + lefttree->total_cost;
Plan *plan = &node->plan;
copy_plan_costsize(plan, lefttree);
- /* For plausibility, make startup & total costs equal total cost of
- * input plan; this only affects EXPLAIN display not decisions.
- * XXX shouldn't we charge some additional cost for materialization?
+
+ /*
+ * For plausibility, make startup & total costs equal total cost of
+ * input plan; this only affects EXPLAIN display not decisions. XXX
+ * shouldn't we charge some additional cost for materialization?
*/
plan->startup_cost = plan->total_cost;
plan->state = (EState *) NULL;
Plan *plan = &node->plan;
copy_plan_costsize(plan, lefttree);
+
/*
- * Charge one cpu_operator_cost per aggregate function per input tuple.
+ * Charge one cpu_operator_cost per aggregate function per input
+ * tuple.
*/
plan->total_cost += cpu_operator_cost * plan->plan_rows *
(length(pull_agg_clause((Node *) tlist)) +
length(pull_agg_clause((Node *) qual)));
+
/*
* We will produce a single output tuple if the input is not a Group,
* and a tuple per group otherwise. For now, estimate the number of
- * groups as 10% of the number of tuples --- bogus, but how to do better?
- * (Note we assume the input Group node is in "tuplePerGroup" mode,
- * so it didn't reduce its row count already.)
+ * groups as 10% of the number of tuples --- bogus, but how to do
+ * better? (Note we assume the input Group node is in "tuplePerGroup"
+ * mode, so it didn't reduce its row count already.)
*/
if (IsA(lefttree, Group))
plan->plan_rows *= 0.1;
Plan *plan = &node->plan;
copy_plan_costsize(plan, lefttree);
+
/*
- * Charge one cpu_operator_cost per comparison per input tuple.
- * We assume all columns get compared at most of the tuples.
+ * Charge one cpu_operator_cost per comparison per input tuple. We
+ * assume all columns get compared at most of the tuples.
*/
plan->total_cost += cpu_operator_cost * plan->plan_rows * ngrp;
+
/*
- * If tuplePerGroup (which is named exactly backwards) is true,
- * we will return all the input tuples, so the input node's row count
- * is OK. Otherwise, we'll return only one tuple from each group.
- * For now, estimate the number of groups as 10% of the number of
- * tuples --- bogus, but how to do better?
+ * If tuplePerGroup (which is named exactly backwards) is true, we
+ * will return all the input tuples, so the input node's row count is
+ * OK. Otherwise, we'll return only one tuple from each group. For
+ * now, estimate the number of groups as 10% of the number of tuples
+ * --- bogus, but how to do better?
*/
- if (! tuplePerGroup)
+ if (!tuplePerGroup)
plan->plan_rows *= 0.1;
plan->state = (EState *) NULL;
List *slitem;
copy_plan_costsize(plan, lefttree);
+
/*
- * Charge one cpu_operator_cost per comparison per input tuple.
- * We assume all columns get compared at most of the tuples.
+ * Charge one cpu_operator_cost per comparison per input tuple. We
+ * assume all columns get compared at most of the tuples.
*/
plan->total_cost += cpu_operator_cost * plan->plan_rows * numCols;
+
/*
* As for Group, we make the unsupported assumption that there will be
* 10% as many tuples out as in.
node->nonameid = _NONAME_RELATION_ID_;
node->keycount = 0;
- /* convert SortClause list into array of attr indexes, as wanted by exec */
+ /*
+ * convert SortClause list into array of attr indexes, as wanted by
+ * exec
+ */
Assert(numCols > 0);
uniqColIdx = (AttrNumber *) palloc(sizeof(AttrNumber) * numCols);
foreach(slitem, distinctList)
{
- SortClause *sortcl = (SortClause *) lfirst(slitem);
- TargetEntry *tle = get_sortgroupclause_tle(sortcl, tlist);
+ SortClause *sortcl = (SortClause *) lfirst(slitem);
+ TargetEntry *tle = get_sortgroupclause_tle(sortcl, tlist);
uniqColIdx[keyno++] = tle->resdom->resno;
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/initsplan.c,v 1.45 2000/02/15 20:49:18 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/initsplan.c,v 1.46 2000/04/12 17:15:21 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static void add_restrict_and_join_to_rel(Query *root, Node *clause);
static void add_join_info_to_rels(Query *root, RestrictInfo *restrictinfo,
- Relids join_relids);
+ Relids join_relids);
static void add_vars_to_targetlist(Query *root, List *vars);
static void check_mergejoinable(RestrictInfo *restrictinfo);
static void check_hashjoinable(RestrictInfo *restrictinfo);
*
* If we have a range variable in the FROM clause that does not appear
* in the target list nor qualifications, we must add it to the base
- * relation list so that it will be joined. For instance, "select f.x
+ * relation list so that it will be joined. For instance, "select f.x
* from foo f, foo f2" is a join of f and f2. Note that if we have
* "select foo.x from foo f", it also gets turned into a join (between
* foo as foo and foo as f).
{
RelOptInfo *rel = get_base_rel(root, varno);
- /* If the rel isn't otherwise referenced, give it a dummy
+ /*
+ * If the rel isn't otherwise referenced, give it a dummy
* targetlist consisting of its own OID.
*/
if (rel->targetlist == NIL)
{
Var *var = makeVar(varno, ObjectIdAttributeNumber,
OIDOID, -1, 0);
+
add_var_to_tlist(rel, var);
}
}
List *clause;
foreach(clause, clauses)
- add_restrict_and_join_to_rel(root, (Node*) lfirst(clause));
+ add_restrict_and_join_to_rel(root, (Node *) lfirst(clause));
}
/*
* add_restrict_and_join_to_rel
* Add clause information to either the 'RestrictInfo' or 'JoinInfo' field
* (depending on whether the clause is a join) of each base relation
- * mentioned in the clause. A RestrictInfo node is created and added to
+ * mentioned in the clause. A RestrictInfo node is created and added to
* the appropriate list for each rel. Also, if the clause uses a
* mergejoinable operator, enter the left- and right-side expressions
* into the query's lists of equijoined vars.
if (length(relids) == 1)
{
+
/*
* There is only one relation participating in 'clause', so
* 'clause' must be a restriction clause for that relation.
rel->baserestrictinfo = lcons(restrictinfo,
rel->baserestrictinfo);
+
/*
* Check for a "mergejoinable" clause even though it's not a join
- * clause. This is so that we can recognize that "a.x = a.y" makes
- * x and y eligible to be considered equal, even when they belong
- * to the same rel. Without this, we would not recognize that
- * "a.x = a.y AND a.x = b.z AND a.y = c.q" allows us to consider
- * z and q equal after their rels are joined.
+ * clause. This is so that we can recognize that "a.x = a.y"
+ * makes x and y eligible to be considered equal, even when they
+ * belong to the same rel. Without this, we would not recognize
+ * that "a.x = a.y AND a.x = b.z AND a.y = c.q" allows us to
+ * consider z and q equal after their rels are joined.
*/
check_mergejoinable(restrictinfo);
}
else
{
+
/*
* 'clause' is a join clause, since there is more than one atom in
- * the relid list. Set additional RestrictInfo fields for joining.
+ * the relid list. Set additional RestrictInfo fields for
+ * joining.
*
* We need the merge info whether or not mergejoin is enabled (for
* constructing equijoined-var lists), but we don't bother setting
check_mergejoinable(restrictinfo);
if (enable_hashjoin)
check_hashjoinable(restrictinfo);
+
/*
- * Add clause to the join lists of all the relevant
- * relations. (If, perchance, 'clause' contains NO vars, then
- * nothing will happen...)
+ * Add clause to the join lists of all the relevant relations.
+ * (If, perchance, 'clause' contains NO vars, then nothing will
+ * happen...)
*/
add_join_info_to_rels(root, restrictinfo, relids);
+
/*
- * Add vars used in the join clause to targetlists of member relations,
- * so that they will be emitted by the plan nodes that scan those
- * relations (else they won't be available at the join node!).
+ * Add vars used in the join clause to targetlists of member
+ * relations, so that they will be emitted by the plan nodes that
+ * scan those relations (else they won't be available at the join
+ * node!).
*/
add_vars_to_targetlist(root, vars);
}
joininfo = find_joininfo_node(get_base_rel(root, cur_relid),
unjoined_relids);
joininfo->jinfo_restrictinfo = lcons(restrictinfo,
- joininfo->jinfo_restrictinfo);
+ joininfo->jinfo_restrictinfo);
}
}
leftOp,
rightOp;
- if (! is_opclause((Node *) clause))
+ if (!is_opclause((Node *) clause))
return;
left = get_leftop(clause);
right = get_rightop(clause);
/* caution: is_opclause accepts more than I do, so check it */
- if (! right)
+ if (!right)
return; /* unary opclauses need not apply */
- if (!IsA(left, Var) || !IsA(right, Var))
+ if (!IsA(left, Var) ||!IsA(right, Var))
return;
opno = ((Oper *) clause->oper)->opno;
*right;
Oid opno;
- if (! is_opclause((Node *) clause))
+ if (!is_opclause((Node *) clause))
return;
left = get_leftop(clause);
right = get_rightop(clause);
/* caution: is_opclause accepts more than I do, so check it */
- if (! right)
+ if (!right)
return; /* unary opclauses need not apply */
- if (!IsA(left, Var) || !IsA(right, Var))
+ if (!IsA(left, Var) ||!IsA(right, Var))
return;
opno = ((Oper *) clause->oper)->opno;
if (op_hashjoinable(opno,
left->vartype,
right->vartype))
- {
restrictinfo->hashjoinoperator = opno;
- }
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/planmain.c,v 1.54 2000/03/24 21:40:43 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/planmain.c,v 1.55 2000/04/12 17:15:22 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static Plan *subplanner(Query *root, List *flat_tlist, List *qual,
- double tuple_fraction);
+ double tuple_fraction);
/*--------------------
* Query field and not a passed parameter is that the low-level routines
* in indxpath.c need to see it.) The pathkeys value passed to query_planner
* has not yet been "canonicalized", since the necessary info does not get
- * computed until subplanner() scans the qual clauses. We canonicalize it
+ * computed until subplanner() scans the qual clauses. We canonicalize it
* inside subplanner() as soon as that task is done. The output value
* will be in canonical form as well.
*
* tuple_fraction is interpreted as follows:
- * 0 (or less): expect all tuples to be retrieved (normal case)
+ * 0 (or less): expect all tuples to be retrieved (normal case)
* 0 < tuple_fraction < 1: expect the given fraction of tuples available
* from the plan to be retrieved
* tuple_fraction >= 1: tuple_fraction is the absolute number of tuples
if (root->commandType != CMD_SELECT)
elog(ERROR, "Empty range table for non-SELECT query");
- root->query_pathkeys = NIL; /* signal unordered result */
+ root->query_pathkeys = NIL; /* signal unordered result */
/* Make childless Result node to evaluate given tlist. */
return (Plan *) make_result(tlist, (Node *) qual, (Plan *) NULL);
*
* All subplan nodes will have "flat" (var-only) tlists.
*
- * This implies that all expression evaluations are done at the root
- * of the plan tree. Once upon a time there was code to try to push
+ * This implies that all expression evaluations are done at the root of
+ * the plan tree. Once upon a time there was code to try to push
* expensive function calls down to lower plan nodes, but that's dead
* code and has been for a long time...
*/
*/
if (constant_qual)
{
+
/*
- * The result node will also be responsible for evaluating
- * the originally requested tlist.
+ * The result node will also be responsible for evaluating the
+ * originally requested tlist.
*/
subplan = (Plan *) make_result(tlist,
(Node *) constant_qual,
}
else
{
+
/*
* Replace the toplevel plan node's flattened target list with the
- * targetlist given by my caller, so that expressions are evaluated.
+ * targetlist given by my caller, so that expressions are
+ * evaluated.
*/
subplan->targetlist = tlist;
}
* Initialize the targetlist and qualification, adding entries to
* base_rel_list as relation references are found (e.g., in the
* qualification, the targetlist, etc.). Restrict and join clauses
- * are added to appropriate lists belonging to the mentioned relations,
- * and we also build lists of equijoined keys for pathkey construction.
+ * are added to appropriate lists belonging to the mentioned
+ * relations, and we also build lists of equijoined keys for pathkey
+ * construction.
*/
root->base_rel_list = NIL;
root->join_rel_list = NIL;
add_missing_rels_to_query(root);
/*
- * We should now have all the pathkey equivalence sets built,
- * so it's now possible to convert the requested query_pathkeys
- * to canonical form.
+ * We should now have all the pathkey equivalence sets built, so it's
+ * now possible to convert the requested query_pathkeys to canonical
+ * form.
*/
root->query_pathkeys = canonicalize_pathkeys(root, root->query_pathkeys);
*/
final_rel = make_one_rel(root);
- if (! final_rel)
+ if (!final_rel)
{
+
/*
* We expect to end up here for a trivial INSERT ... VALUES query
- * (which will have a target relation, so it gets past query_planner's
- * check for empty range table; but the target rel is unreferenced
- * and not marked inJoinSet, so we find there is nothing to join).
- *
+ * (which will have a target relation, so it gets past
+ * query_planner's check for empty range table; but the target rel
+ * is unreferenced and not marked inJoinSet, so we find there is
+ * nothing to join).
+ *
* It's also possible to get here if the query was rewritten by the
- * rule processor (creating rangetable entries not marked inJoinSet)
- * but the rules either did nothing or were simplified to nothing
- * by constant-expression folding. So, don't complain.
+ * rule processor (creating rangetable entries not marked
+ * inJoinSet) but the rules either did nothing or were simplified
+ * to nothing by constant-expression folding. So, don't complain.
*/
- root->query_pathkeys = NIL; /* signal unordered result */
+ root->query_pathkeys = NIL; /* signal unordered result */
/* Make childless Result node to evaluate given tlist. */
return (Plan *) make_result(flat_tlist, (Node *) qual, (Plan *) NULL);
#endif
/*
- * Now that we have an estimate of the final rel's size, we can convert
- * a tuple_fraction specified as an absolute count (ie, a LIMIT option)
- * into a fraction of the total tuples.
+ * Now that we have an estimate of the final rel's size, we can
+ * convert a tuple_fraction specified as an absolute count (ie, a
+ * LIMIT option) into a fraction of the total tuples.
*/
if (tuple_fraction >= 1.0)
tuple_fraction /= final_rel->rows;
/*
* Determine the cheapest path, independently of any ordering
- * considerations. We do, however, take into account whether the
+ * considerations. We do, however, take into account whether the
* whole plan is expected to be evaluated or not.
*/
if (tuple_fraction <= 0.0 || tuple_fraction >= 1.0)
/*
* Select the best path and create a subplan to execute it.
*
- * If no special sort order is wanted, or if the cheapest path is
- * already appropriately ordered, we use the cheapest path found above.
+ * If no special sort order is wanted, or if the cheapest path is already
+ * appropriately ordered, we use the cheapest path found above.
*/
if (root->query_pathkeys == NIL ||
pathkeys_contained_in(root->query_pathkeys,
/*
* Otherwise, look to see if we have an already-ordered path that is
- * cheaper than doing an explicit sort on the cheapest-total-cost path.
+ * cheaper than doing an explicit sort on the cheapest-total-cost
+ * path.
*/
cheapestpath = final_rel->cheapest_total_path;
presortedpath =
}
/*
- * Nothing for it but to sort the cheapest-total-cost path --- but we let
- * the caller do that. union_planner has to be able to add a sort node
- * anyway, so no need for extra code here. (Furthermore, the given
- * pathkeys might involve something we can't compute here, such as an
- * aggregate function...)
+ * Nothing for it but to sort the cheapest-total-cost path --- but we
+ * let the caller do that. union_planner has to be able to add a sort
+ * node anyway, so no need for extra code here. (Furthermore, the
+ * given pathkeys might involve something we can't compute here, such
+ * as an aggregate function...)
*/
root->query_pathkeys = cheapestpath->pathkeys;
return create_plan(root, cheapestpath);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/planner.c,v 1.78 2000/03/21 05:12:01 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/planner.c,v 1.79 2000/04/12 17:15:22 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static List *make_subplanTargetList(Query *parse, List *tlist,
- AttrNumber **groupColIdx);
+ AttrNumber **groupColIdx);
static Plan *make_groupplan(List *group_tlist, bool tuplePerGroup,
- List *groupClause, AttrNumber *grpColIdx,
- bool is_presorted, Plan *subplan);
+ List *groupClause, AttrNumber *grpColIdx,
+ bool is_presorted, Plan *subplan);
static Plan *make_sortplan(List *tlist, List *sortcls, Plan *plannode);
/*****************************************************************************
transformKeySetQuery(parse);
/* primary planning entry point (may recurse for subplans) */
- result_plan = subquery_planner(parse, -1.0 /* default case */);
+ result_plan = subquery_planner(parse, -1.0 /* default case */ );
Assert(PlannerQueryLevel == 1);
Plan *
subquery_planner(Query *parse, double tuple_fraction)
{
+
/*
* A HAVING clause without aggregates is equivalent to a WHERE clause
- * (except it can only refer to grouped fields). If there are no
- * aggs anywhere in the query, then we don't want to create an Agg
- * plan node, so merge the HAVING condition into WHERE. (We used to
+ * (except it can only refer to grouped fields). If there are no aggs
+ * anywhere in the query, then we don't want to create an Agg plan
+ * node, so merge the HAVING condition into WHERE. (We used to
* consider this an error condition, but it seems to be legal SQL.)
*/
- if (parse->havingQual != NULL && ! parse->hasAggs)
+ if (parse->havingQual != NULL && !parse->hasAggs)
{
if (parse->qual == NULL)
parse->qual = parse->havingQual;
else
parse->qual = (Node *) make_andclause(lappend(lcons(parse->qual,
NIL),
- parse->havingQual));
+ parse->havingQual));
parse->havingQual = NULL;
}
/*
* Canonicalize the qual, and convert it to implicit-AND format.
*
- * XXX Is there any value in re-applying eval_const_expressions
- * after canonicalize_qual?
+ * XXX Is there any value in re-applying eval_const_expressions after
+ * canonicalize_qual?
*/
parse->qual = (Node *) canonicalize_qual((Expr *) parse->qual, true);
#ifdef OPTIMIZER_DEBUG
if (parse->groupClause != NIL)
{
+
/*
- * Check for ungrouped variables passed to subplans.
- * Note we do NOT do this for subplans in WHERE; it's legal
- * there because WHERE is evaluated pre-GROUP.
+ * Check for ungrouped variables passed to subplans. Note we
+ * do NOT do this for subplans in WHERE; it's legal there
+ * because WHERE is evaluated pre-GROUP.
*
- * An interesting fine point: if we reassigned a HAVING qual
- * into WHERE above, then we will accept references to ungrouped
- * vars from subplans in the HAVING qual. This is not entirely
- * consistent, but it doesn't seem particularly harmful...
+ * An interesting fine point: if we reassigned a HAVING qual into
+ * WHERE above, then we will accept references to ungrouped
+ * vars from subplans in the HAVING qual. This is not
+ * entirely consistent, but it doesn't seem particularly
+ * harmful...
*/
check_subplans_for_ungrouped_vars((Node *) parse->targetList,
parse);
* tuple_fraction is the fraction of tuples we expect will be retrieved
*
* tuple_fraction is interpreted as follows:
- * < 0: determine fraction by inspection of query (normal case)
- * 0: expect all tuples to be retrieved
+ * < 0: determine fraction by inspection of query (normal case)
+ * 0: expect all tuples to be retrieved
* 0 < tuple_fraction < 1: expect the given fraction of tuples available
* from the plan to be retrieved
* tuple_fraction >= 1: tuple_fraction is the absolute number of tuples
parse->commandType,
parse->resultRelation,
parse->rtable);
+
/*
- * We leave current_pathkeys NIL indicating we do not know sort order.
- * Actually, for a normal UNION we have done an explicit sort; ought
- * to change interface to plan_union_queries to pass that info back!
+ * We leave current_pathkeys NIL indicating we do not know sort
+ * order. Actually, for a normal UNION we have done an explicit
+ * sort; ought to change interface to plan_union_queries to pass
+ * that info back!
*/
- /* Calculate pathkeys that represent grouping/ordering requirements */
+ /*
+ * Calculate pathkeys that represent grouping/ordering
+ * requirements
+ */
group_pathkeys = make_pathkeys_for_sortclauses(parse->groupClause,
tlist);
sort_pathkeys = make_pathkeys_for_sortclauses(parse->sortClause,
rt_index);
/*
- * Fix up outer target list. NOTE: unlike the case for non-inherited
- * query, we pass the unfixed tlist to subplans, which do their own
- * fixing. But we still want to fix the outer target list afterwards.
- * I *think* this is correct --- doing the fix before recursing is
- * definitely wrong, because preprocess_targetlist() will do the
- * wrong thing if invoked twice on the same list. Maybe that is a bug?
- * tgl 6/6/99
+ * Fix up outer target list. NOTE: unlike the case for
+ * non-inherited query, we pass the unfixed tlist to subplans,
+ * which do their own fixing. But we still want to fix the outer
+ * target list afterwards. I *think* this is correct --- doing the
+ * fix before recursing is definitely wrong, because
+ * preprocess_targetlist() will do the wrong thing if invoked
+ * twice on the same list. Maybe that is a bug? tgl 6/6/99
*/
tlist = preprocess_targetlist(tlist,
parse->commandType,
if (parse->rowMark != NULL)
elog(ERROR, "SELECT FOR UPDATE is not supported for inherit queries");
+
/*
- * We leave current_pathkeys NIL indicating we do not know sort order
- * of the Append-ed results.
+ * We leave current_pathkeys NIL indicating we do not know sort
+ * order of the Append-ed results.
*/
- /* Calculate pathkeys that represent grouping/ordering requirements */
+ /*
+ * Calculate pathkeys that represent grouping/ordering
+ * requirements
+ */
group_pathkeys = make_pathkeys_for_sortclauses(parse->groupClause,
tlist);
sort_pathkeys = make_pathkeys_for_sortclauses(parse->sortClause,
*/
sub_tlist = make_subplanTargetList(parse, tlist, &groupColIdx);
- /* Calculate pathkeys that represent grouping/ordering requirements */
+ /*
+ * Calculate pathkeys that represent grouping/ordering
+ * requirements
+ */
group_pathkeys = make_pathkeys_for_sortclauses(parse->groupClause,
tlist);
sort_pathkeys = make_pathkeys_for_sortclauses(parse->sortClause,
* Figure out whether we need a sorted result from query_planner.
*
* If we have a GROUP BY clause, then we want a result sorted
- * properly for grouping. Otherwise, if there is an ORDER BY clause,
- * we want to sort by the ORDER BY clause. (Note: if we have both,
- * and ORDER BY is a superset of GROUP BY, it would be tempting to
- * request sort by ORDER BY --- but that might just leave us failing
- * to exploit an available sort order at all. Needs more thought...)
+ * properly for grouping. Otherwise, if there is an ORDER BY
+ * clause, we want to sort by the ORDER BY clause. (Note: if we
+ * have both, and ORDER BY is a superset of GROUP BY, it would be
+ * tempting to request sort by ORDER BY --- but that might just
+ * leave us failing to exploit an available sort order at all.
+ * Needs more thought...)
*/
if (parse->groupClause)
parse->query_pathkeys = group_pathkeys;
parse->query_pathkeys = NIL;
/*
- * Figure out whether we expect to retrieve all the tuples that the
- * plan can generate, or to stop early due to a LIMIT or other
- * factors. If the caller passed a value >= 0, believe that value,
- * else do our own examination of the query context.
+ * Figure out whether we expect to retrieve all the tuples that
+ * the plan can generate, or to stop early due to a LIMIT or other
+ * factors. If the caller passed a value >= 0, believe that
+ * value, else do our own examination of the query context.
*/
if (tuple_fraction < 0.0)
{
/* Initial assumption is we need all the tuples */
tuple_fraction = 0.0;
+
/*
* Check for a LIMIT clause.
*/
}
else
{
+
/*
- * COUNT is a PARAM ... don't know exactly what the limit
- * will be, but for lack of a better idea assume 10%
- * of the plan's result is wanted.
+ * COUNT is a PARAM ... don't know exactly what the
+ * limit will be, but for lack of a better idea assume
+ * 10% of the plan's result is wanted.
*/
tuple_fraction = 0.10;
}
}
+
/*
* Check for a retrieve-into-portal, ie DECLARE CURSOR.
*
* We have no real idea how many tuples the user will ultimately
- * FETCH from a cursor, but it seems a good bet that he doesn't
- * want 'em all. Optimize for 10% retrieval (you gotta better
- * number?)
+ * FETCH from a cursor, but it seems a good bet that he
+ * doesn't want 'em all. Optimize for 10% retrieval (you
+ * gotta better number?)
*/
if (parse->isPortal)
tuple_fraction = 0.10;
}
+
/*
* Adjust tuple_fraction if we see that we are going to apply
* grouping/aggregation/etc. This is not overridable by the
- * caller, since it reflects plan actions that this routine
- * will certainly take, not assumptions about context.
+ * caller, since it reflects plan actions that this routine will
+ * certainly take, not assumptions about context.
*/
if (parse->groupClause)
{
+
/*
* In GROUP BY mode, we have the little problem that we don't
* really know how many input tuples will be needed to make a
* input count. For lack of a better idea, assume 25% of the
* input data will be processed if there is any output limit.
* However, if the caller gave us a fraction rather than an
- * absolute count, we can keep using that fraction (which amounts
- * to assuming that all the groups are about the same size).
+ * absolute count, we can keep using that fraction (which
+ * amounts to assuming that all the groups are about the same
+ * size).
*/
if (tuple_fraction >= 1.0)
tuple_fraction = 0.25;
+
/*
* If both GROUP BY and ORDER BY are specified, we will need
* two levels of sort --- and, therefore, certainly need to
* read all the input tuples --- unless ORDER BY is a subset
* of GROUP BY. (Although we are comparing non-canonicalized
* pathkeys here, it should be OK since they will both contain
- * only single-element sublists at this point. See pathkeys.c.)
+ * only single-element sublists at this point. See
+ * pathkeys.c.)
*/
if (parse->groupClause && parse->sortClause &&
- ! pathkeys_contained_in(sort_pathkeys, group_pathkeys))
+ !pathkeys_contained_in(sort_pathkeys, group_pathkeys))
tuple_fraction = 0.0;
}
else if (parse->hasAggs)
{
- /* Ungrouped aggregate will certainly want all the input tuples. */
+
+ /*
+ * Ungrouped aggregate will certainly want all the input
+ * tuples.
+ */
tuple_fraction = 0.0;
}
else if (parse->distinctClause)
{
+
/*
* SELECT DISTINCT, like GROUP, will absorb an unpredictable
- * number of input tuples per output tuple. Handle the same way.
+ * number of input tuples per output tuple. Handle the same
+ * way.
*/
if (tuple_fraction >= 1.0)
tuple_fraction = 0.25;
(List *) parse->qual,
tuple_fraction);
- /* query_planner returns actual sort order (which is not
+ /*
+ * query_planner returns actual sort order (which is not
* necessarily what we requested) in query_pathkeys.
*/
current_pathkeys = parse->query_pathkeys;
}
/* query_planner returns NULL if it thinks plan is bogus */
- if (! result_plan)
+ if (!result_plan)
elog(ERROR, "union_planner: failed to create plan");
/*
/*
* If there are aggregates then the Group node should just return
- * the same set of vars as the subplan did (but we can exclude
- * any GROUP BY expressions). If there are no aggregates
- * then the Group node had better compute the final tlist.
+ * the same set of vars as the subplan did (but we can exclude any
+ * GROUP BY expressions). If there are no aggregates then the
+ * Group node had better compute the final tlist.
*/
if (parse->hasAggs)
group_tlist = flatten_tlist(result_plan->targetlist);
group_tlist = tlist;
/*
- * Figure out whether the path result is already ordered the way we
- * need it --- if so, no need for an explicit sort step.
+ * Figure out whether the path result is already ordered the way
+ * we need it --- if so, no need for an explicit sort step.
*/
if (pathkeys_contained_in(group_pathkeys, current_pathkeys))
{
}
else
{
- /* We will need to do an explicit sort by the GROUP BY clause.
+
+ /*
+ * We will need to do an explicit sort by the GROUP BY clause.
* make_groupplan will do the work, but set current_pathkeys
* to indicate the resulting order.
*/
*/
if (parse->sortClause)
{
- if (! pathkeys_contained_in(sort_pathkeys, current_pathkeys))
- {
+ if (!pathkeys_contained_in(sort_pathkeys, current_pathkeys))
result_plan = make_sortplan(tlist, parse->sortClause, result_plan);
- }
}
/*
* we want to pass this targetlist to the subplan:
* a,b,c,d,a+b
* where the a+b target will be used by the Sort/Group steps, and the
- * other targets will be used for computing the final results. (In the
+ * other targets will be used for computing the final results. (In the
* above example we could theoretically suppress the a and b targets and
* use only a+b, but it's not really worth the trouble.)
*
/*
* If grouping, create sub_tlist entries for all GROUP BY expressions
- * (GROUP BY items that are simple Vars should be in the list already),
- * and make an array showing where the group columns are in the sub_tlist.
+ * (GROUP BY items that are simple Vars should be in the list
+ * already), and make an array showing where the group columns are in
+ * the sub_tlist.
*/
numCols = length(parse->groupClause);
if (numCols > 0)
foreach(gl, parse->groupClause)
{
- GroupClause *grpcl = (GroupClause *) lfirst(gl);
- Node *groupexpr = get_sortgroupclause_expr(grpcl, tlist);
- TargetEntry *te = NULL;
- List *sl;
+ GroupClause *grpcl = (GroupClause *) lfirst(gl);
+ Node *groupexpr = get_sortgroupclause_expr(grpcl, tlist);
+ TargetEntry *te = NULL;
+ List *sl;
/* Find or make a matching sub_tlist entry */
foreach(sl, sub_tlist)
if (equal(groupexpr, te->expr))
break;
}
- if (! sl)
+ if (!sl)
{
te = makeTargetEntry(makeResdom(length(sub_tlist) + 1,
exprType(groupexpr),
{
int numCols = length(groupClause);
- if (! is_presorted)
+ if (!is_presorted)
{
+
/*
* The Sort node always just takes a copy of the subplan's tlist
* plus ordering information. (This might seem inefficient if the
foreach(gl, groupClause)
{
- GroupClause *grpcl = (GroupClause *) lfirst(gl);
- TargetEntry *te = nth(grpColIdx[keyno]-1, sort_tlist);
- Resdom *resdom = te->resdom;
+ GroupClause *grpcl = (GroupClause *) lfirst(gl);
+ TargetEntry *te = nth(grpColIdx[keyno] - 1, sort_tlist);
+ Resdom *resdom = te->resdom;
/*
- * Check for the possibility of duplicate group-by clauses --- the
- * parser should have removed 'em, but the Sort executor will get
- * terribly confused if any get through!
+ * Check for the possibility of duplicate group-by clauses ---
+ * the parser should have removed 'em, but the Sort executor
+ * will get terribly confused if any get through!
*/
if (resdom->reskey == 0)
{
/*
* Check for the possibility of duplicate order-by clauses --- the
- * parser should have removed 'em, but the executor will get terribly
- * confused if any get through!
+ * parser should have removed 'em, but the executor will get
+ * terribly confused if any get through!
*/
if (resdom->reskey == 0)
{
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/setrefs.c,v 1.61 2000/04/04 01:21:47 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/setrefs.c,v 1.62 2000/04/12 17:15:22 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "optimizer/tlist.h"
#include "optimizer/var.h"
-typedef struct {
+typedef struct
+{
List *outer_tlist;
List *inner_tlist;
Index acceptable_rel;
} join_references_context;
-typedef struct {
+typedef struct
+{
Index subvarno;
List *subplanTargetList;
} replace_vars_with_subplan_refs_context;
static void set_join_references(Join *join);
static void set_uppernode_references(Plan *plan, Index subvarno);
static Node *join_references_mutator(Node *node,
- join_references_context *context);
+ join_references_context *context);
static Node *replace_vars_with_subplan_refs(Node *node,
- Index subvarno,
- List *subplanTargetList);
+ Index subvarno,
+ List *subplanTargetList);
static Node *replace_vars_with_subplan_refs_mutator(Node *node,
- replace_vars_with_subplan_refs_context *context);
+ replace_vars_with_subplan_refs_context *context);
static bool fix_opids_walker(Node *node, void *context);
/*****************************************************************************
* set_plan_references
* This is the final processing pass of the planner/optimizer. The plan
* tree is complete; we just have to adjust some representational details
- * for the convenience of the executor. We update Vars in upper plan nodes
+ * for the convenience of the executor. We update Vars in upper plan nodes
* to refer to the outputs of their subplans, and we compute regproc OIDs
* for operators (ie, we look up the function that implements each op).
* We must also build lists of all the subplan nodes present in each
if (plan == NULL)
return;
- /* We must rebuild the plan's list of subplan nodes, since we are
+ /*
+ * We must rebuild the plan's list of subplan nodes, since we are
* copying/mutating its expression trees.
*/
plan->subPlan = NIL;
fix_opids((Node *) ((IndexScan *) plan)->indxqualorig);
plan->subPlan =
nconc(plan->subPlan,
- pull_subplans((Node *) ((IndexScan *) plan)->indxqual));
+ pull_subplans((Node *) ((IndexScan *) plan)->indxqual));
plan->subPlan =
nconc(plan->subPlan,
- pull_subplans((Node *) ((IndexScan *) plan)->indxqualorig));
+ pull_subplans((Node *) ((IndexScan *) plan)->indxqualorig));
break;
case T_NestLoop:
set_join_references((Join *) plan);
fix_opids((Node *) ((MergeJoin *) plan)->mergeclauses);
plan->subPlan =
nconc(plan->subPlan,
- pull_subplans((Node *) ((MergeJoin *) plan)->mergeclauses));
+ pull_subplans((Node *) ((MergeJoin *) plan)->mergeclauses));
break;
case T_HashJoin:
set_join_references((Join *) plan);
fix_opids((Node *) ((HashJoin *) plan)->hashclauses);
plan->subPlan =
nconc(plan->subPlan,
- pull_subplans((Node *) ((HashJoin *) plan)->hashclauses));
+ pull_subplans((Node *) ((HashJoin *) plan)->hashclauses));
break;
case T_Material:
case T_Sort:
case T_Unique:
case T_Hash:
- /* These plan types don't actually bother to evaluate their
+
+ /*
+ * These plan types don't actually bother to evaluate their
* targetlists or quals (because they just return their
* unmodified input tuples). The optimizer is lazy about
- * creating really valid targetlists for them. Best to
- * just leave the targetlist alone.
+ * creating really valid targetlists for them. Best to just
+ * leave the targetlist alone.
*/
break;
case T_Agg:
set_uppernode_references(plan, (Index) 0);
break;
case T_Result:
- /* Result may or may not have a subplan; no need to fix up
+
+ /*
+ * Result may or may not have a subplan; no need to fix up
* subplan references if it hasn't got one...
*
* XXX why does Result use a different subvarno from Agg/Group?
break;
case T_Append:
foreach(pl, ((Append *) plan)->appendplans)
- {
set_plan_references((Plan *) lfirst(pl));
- }
break;
case T_TidScan:
/* nothing special */
}
/*
- * For all plan types, fix operators in targetlist and qual expressions,
- * and find subplans therein.
+ * For all plan types, fix operators in targetlist and qual
+ * expressions, and find subplans therein.
*/
fix_opids((Node *) plan->targetlist);
fix_opids((Node *) plan->qual);
* NOTE: it is essential that we recurse into subplans AFTER we set
* subplan references in this plan's tlist and quals. If we did the
* reference-adjustments bottom-up, then we would fail to match this
- * plan's var nodes against the already-modified nodes of the subplans.
+ * plan's var nodes against the already-modified nodes of the
+ * subplans.
*/
set_plan_references(plan->lefttree);
set_plan_references(plan->righttree);
foreach(pl, plan->initPlan)
{
- SubPlan *sp = (SubPlan *) lfirst(pl);
+ SubPlan *sp = (SubPlan *) lfirst(pl);
Assert(IsA(sp, SubPlan));
set_plan_references(sp->plan);
}
foreach(pl, plan->subPlan)
{
- SubPlan *sp = (SubPlan *) lfirst(pl);
+ SubPlan *sp = (SubPlan *) lfirst(pl);
Assert(IsA(sp, SubPlan));
set_plan_references(sp->plan);
newvar->varattno = resdom->resno;
return (Node *) newvar;
}
+
/*
- * Var not in either tlist --- either raise an error,
- * or return the Var unmodified.
+ * Var not in either tlist --- either raise an error, or return
+ * the Var unmodified.
*/
if (var->varno != context->acceptable_rel)
elog(ERROR, "join_references: variable not in subplan target lists");
static Node *
replace_vars_with_subplan_refs_mutator(Node *node,
- replace_vars_with_subplan_refs_context *context)
+ replace_vars_with_subplan_refs_context *context)
{
if (node == NULL)
return NULL;
}
static bool
-fix_opids_walker (Node *node, void *context)
+fix_opids_walker(Node *node, void *context)
{
if (node == NULL)
return false;
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/subselect.c,v 1.34 2000/04/04 01:21:47 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/subselect.c,v 1.35 2000/04/12 17:15:22 momjian Exp $
*
*-------------------------------------------------------------------------
*/
varlevel = PlannerQueryLevel - var->varlevelsup;
/*
- * If there's already a PlannerParamVar entry for this same Var,
- * just use it. NOTE: in situations involving UNION or inheritance,
- * it is possible for the same varno/varlevel to refer to different RTEs
- * in different parts of the parsetree, so that different fields might
- * end up sharing the same Param number. As long as we check the vartype
- * as well, I believe that this sort of aliasing will cause no trouble.
- * The correct field should get stored into the Param slot at execution
- * in each part of the tree.
+ * If there's already a PlannerParamVar entry for this same Var, just
+ * use it. NOTE: in situations involving UNION or inheritance, it is
+ * possible for the same varno/varlevel to refer to different RTEs in
+ * different parts of the parsetree, so that different fields might
+ * end up sharing the same Param number. As long as we check the
+ * vartype as well, I believe that this sort of aliasing will cause no
+ * trouble. The correct field should get stored into the Param slot at
+ * execution in each part of the tree.
*/
i = 0;
foreach(ppv, PlannerParamVar)
{
- Var *pvar = lfirst(ppv);
+ Var *pvar = lfirst(ppv);
if (pvar->varno == var->varno &&
pvar->varattno == var->varattno &&
i++;
}
- if (! ppv)
+ if (!ppv)
{
/* Nope, so make a new one */
i = new_param(var, varlevel);
PlannerQueryLevel++; /* we become child */
/*
- * For an EXISTS subplan, tell lower-level planner to expect that
- * only the first tuple will be retrieved. For ALL and ANY subplans,
- * we will be able to stop evaluating if the test condition fails,
- * so very often not all the tuples will be retrieved; for lack of a
- * better idea, specify 50% retrieval. For EXPR and MULTIEXPR subplans,
- * use default behavior (we're only expecting one row out, anyway).
+ * For an EXISTS subplan, tell lower-level planner to expect that only
+ * the first tuple will be retrieved. For ALL and ANY subplans, we
+ * will be able to stop evaluating if the test condition fails, so
+ * very often not all the tuples will be retrieved; for lack of a
+ * better idea, specify 50% retrieval. For EXPR and MULTIEXPR
+ * subplans, use default behavior (we're only expecting one row out,
+ * anyway).
*
* NOTE: if you change these numbers, also change cost_qual_eval_walker()
* in path/costsize.c.
*
- * XXX If an ALL/ANY subplan is uncorrelated, we may decide to materialize
- * its result below. In that case it would've been better to specify
- * full retrieval. At present, however, we can only detect correlation
- * or lack of it after we've made the subplan :-(. Perhaps detection
- * of correlation should be done as a separate step. Meanwhile, we don't
- * want to be too optimistic about the percentage of tuples retrieved,
- * for fear of selecting a plan that's bad for the materialization case.
+ * XXX If an ALL/ANY subplan is uncorrelated, we may decide to
+ * materialize its result below. In that case it would've been better
+ * to specify full retrieval. At present, however, we can only detect
+ * correlation or lack of it after we've made the subplan :-(. Perhaps
+ * detection of correlation should be done as a separate step.
+ * Meanwhile, we don't want to be too optimistic about the percentage
+ * of tuples retrieved, for fear of selecting a plan that's bad for
+ * the materialization case.
*/
if (slink->subLinkType == EXISTS_SUBLINK)
tuple_fraction = 1.0; /* just like a LIMIT 1 */
/*
* Assign subPlan, extParam and locParam to plan nodes. At the moment,
- * SS_finalize_plan doesn't handle initPlan-s and so we assign them
- * to the topmost plan node and take care about its extParam too.
+ * SS_finalize_plan doesn't handle initPlan-s and so we assign them to
+ * the topmost plan node and take care about its extParam too.
*/
(void) SS_finalize_plan(plan);
plan->initPlan = PlannerInitPlan;
/*
* Un-correlated or undirect correlated plans of EXISTS, EXPR, or
- * MULTIEXPR types can be used as initPlans. For EXISTS or EXPR,
- * we just produce a Param referring to the result of evaluating the
+ * MULTIEXPR types can be used as initPlans. For EXISTS or EXPR, we
+ * just produce a Param referring to the result of evaluating the
* initPlan. For MULTIEXPR, we must build an AND or OR-clause of the
* individual comparison operators, using the appropriate lefthand
* side expressions and Params for the initPlan's target items.
else if (node->parParam == NIL && slink->subLinkType == EXPR_SUBLINK)
{
TargetEntry *te = lfirst(plan->targetlist);
+
/* need a var node just to pass to new_param()... */
Var *var = makeVar(0, 0, te->resdom->restype,
te->resdom->restypmod, 0);
int i = 0;
/*
- * Convert oper list of Opers into a list of Exprs, using
- * lefthand arguments and Params representing inside results.
+ * Convert oper list of Opers into a list of Exprs, using lefthand
+ * arguments and Params representing inside results.
*/
foreach(lst, slink->oper)
{
Oper *oper = (Oper *) lfirst(lst);
Node *lefthand = nth(i, slink->lefthand);
TargetEntry *te = nth(i, plan->targetlist);
+
/* need a var node just to pass to new_param()... */
Var *var = makeVar(0, 0, te->resdom->restype,
te->resdom->restypmod, 0);
tup = get_operator_tuple(oper->opno);
Assert(HeapTupleIsValid(tup));
opform = (Form_pg_operator) GETSTRUCT(tup);
- /* Note: we use make_operand in case runtime type conversion
+
+ /*
+ * Note: we use make_operand in case runtime type conversion
* function calls must be inserted for this operator!
*/
left = make_operand("", lefthand,
int i = 0;
/*
- * We can't convert subplans of ALL_SUBLINK or ANY_SUBLINK types to
- * initPlans, even when they are uncorrelated or undirect correlated,
- * because we need to scan the output of the subplan for each outer
- * tuple. However, we have the option to tack a MATERIAL node onto
- * the top of an uncorrelated/undirect correlated subplan, which lets
- * us do the work of evaluating the subplan only once. We do this
- * if the subplan's top plan node is anything more complicated than
- * a plain sequential scan, and we do it even for seqscan if the
- * qual appears selective enough to eliminate many tuples.
+ * We can't convert subplans of ALL_SUBLINK or ANY_SUBLINK types
+ * to initPlans, even when they are uncorrelated or undirect
+ * correlated, because we need to scan the output of the subplan
+ * for each outer tuple. However, we have the option to tack a
+ * MATERIAL node onto the top of an uncorrelated/undirect
+ * correlated subplan, which lets us do the work of evaluating the
+ * subplan only once. We do this if the subplan's top plan node
+ * is anything more complicated than a plain sequential scan, and
+ * we do it even for seqscan if the qual appears selective enough
+ * to eliminate many tuples.
*/
if (node->parParam == NIL)
{
break;
case T_Material:
case T_Sort:
- /* Don't add another Material node if there's one already,
- * nor if the top node is a Sort, since Sort materializes
- * its output anyway. (I doubt either case can happen in
- * practice for a subplan, but...)
+
+ /*
+ * Don't add another Material node if there's one
+ * already, nor if the top node is a Sort, since Sort
+ * materializes its output anyway. (I doubt either
+ * case can happen in practice for a subplan, but...)
*/
use_material = false;
break;
/*
* Make expression of SUBPLAN type
*/
- expr->typeOid = BOOLOID; /* bogus, but we don't really care */
+ expr->typeOid = BOOLOID;/* bogus, but we don't really care */
expr->opType = SUBPLAN_EXPR;
expr->oper = (Node *) node;
Var *var = nth(lfirsti(lst), PlannerParamVar);
var = (Var *) copyObject(var);
- /* Must fix absolute-level varlevelsup from the
- * PlannerParamVar entry. But since var is at current
- * subplan level, this is easy:
+
+ /*
+ * Must fix absolute-level varlevelsup from the
+ * PlannerParamVar entry. But since var is at current subplan
+ * level, this is easy:
*/
var->varlevelsup = 0;
args = lappend(args, var);
}
expr->args = args;
+
/*
- * Convert oper list of Opers into a list of Exprs, using
- * lefthand arguments and Consts representing inside results.
+ * Convert oper list of Opers into a list of Exprs, using lefthand
+ * arguments and Consts representing inside results.
*/
foreach(lst, slink->oper)
{
*right;
/*
- * XXX really ought to fill in constlen and constbyval correctly,
- * but right now ExecEvalExpr won't look at them...
+ * XXX really ought to fill in constlen and constbyval
+ * correctly, but right now ExecEvalExpr won't look at them...
*/
con = makeConst(te->resdom->restype, 0, 0, true, 0, 0, 0);
tup = get_operator_tuple(oper->opno);
Assert(HeapTupleIsValid(tup));
opform = (Form_pg_operator) GETSTRUCT(tup);
- /* Note: we use make_operand in case runtime type conversion
+
+ /*
+ * Note: we use make_operand in case runtime type conversion
* function calls must be inserted for this operator!
*/
left = make_operand("", lefthand,
* check in make_subplan to see whether a subselect has any subselects.
*/
-typedef struct finalize_primnode_results {
- List *subplans; /* List of subplans found in expr */
- List *paramids; /* List of PARAM_EXEC paramids found */
+typedef struct finalize_primnode_results
+{
+ List *subplans; /* List of subplans found in expr */
+ List *paramids; /* List of PARAM_EXEC paramids found */
} finalize_primnode_results;
static bool
{
if (((Param *) node)->paramkind == PARAM_EXEC)
{
- int paramid = (int) ((Param *) node)->paramid;
+ int paramid = (int) ((Param *) node)->paramid;
- if (! intMember(paramid, results->paramids))
+ if (!intMember(paramid, results->paramids))
results->paramids = lconsi(paramid, results->paramids);
}
return false; /* no more to do here */
}
if (is_subplan(node))
{
- SubPlan *subplan = (SubPlan *) ((Expr *) node)->oper;
+ SubPlan *subplan = (SubPlan *) ((Expr *) node)->oper;
List *lst;
/* Add subplan to subplans list */
/* note varlevelsup is absolute level number */
if (var->varlevelsup < PlannerQueryLevel &&
- ! intMember(paramid, results->paramids))
+ !intMember(paramid, results->paramids))
results->paramids = lconsi(paramid, results->paramids);
}
/* fall through to recurse into subplan args */
SS_process_sublinks(Node *expr)
{
/* No setup needed for tree walk, so away we go */
- return process_sublinks_mutator(expr, NULL);
+ return process_sublinks_mutator(expr, NULL);
}
static Node *
return NULL;
if (IsA(node, SubLink))
{
- SubLink *sublink = (SubLink *) node;
+ SubLink *sublink = (SubLink *) node;
- /* First, scan the lefthand-side expressions, if any.
- * This is a tad klugy since we modify the input SubLink node,
- * but that should be OK (make_subplan does it too!)
+ /*
+ * First, scan the lefthand-side expressions, if any. This is a
+ * tad klugy since we modify the input SubLink node, but that
+ * should be OK (make_subplan does it too!)
*/
sublink->lefthand = (List *)
process_sublinks_mutator((Node *) sublink->lefthand, context);
/* Now build the SubPlan node and make the expr to return */
return make_subplan(sublink);
}
+
/*
* Note that we will never see a SubPlan expression in the input
- * (since this is the very routine that creates 'em to begin with).
- * So the code in expression_tree_mutator() that might do
- * inappropriate things with SubPlans or SubLinks will not be
- * exercised.
+ * (since this is the very routine that creates 'em to begin with). So
+ * the code in expression_tree_mutator() that might do inappropriate
+ * things with SubPlans or SubLinks will not be exercised.
*/
- Assert(! is_subplan(node));
+ Assert(!is_subplan(node));
return expression_tree_mutator(node,
process_sublinks_mutator,
results.subplans = NIL; /* initialize lists to NIL */
results.paramids = NIL;
+
/*
* When we call finalize_primnode, results.paramids lists are
- * automatically merged together. But when recursing to self,
- * we have to do it the hard way. We want the paramids list
- * to include params in subplans as well as at this level.
- * (We don't care about finding subplans of subplans, though.)
+ * automatically merged together. But when recursing to self, we have
+ * to do it the hard way. We want the paramids list to include params
+ * in subplans as well as at this level. (We don't care about finding
+ * subplans of subplans, though.)
*/
/* Find params and subplans in targetlist and qual */
case T_Append:
foreach(lst, ((Append *) plan)->appendplans)
results.paramids = set_unioni(results.paramids,
- SS_finalize_plan((Plan *) lfirst(lst)));
+ SS_finalize_plan((Plan *) lfirst(lst)));
break;
case T_IndexScan:
finalize_primnode((Node *) ((IndexScan *) plan)->indxqual,
&results);
- /* we need not look at indxqualorig, since it will have the
+
+ /*
+ * we need not look at indxqualorig, since it will have the
* same param references as indxqual, and we aren't really
* concerned yet about having a complete subplan list.
*/
case T_TidScan:
finalize_primnode((Node *) ((TidScan *) plan)->tideval,
- &results);
+ &results);
break;
case T_Agg:
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/prep/prepqual.c,v 1.23 2000/02/27 19:45:44 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/prep/prepqual.c,v 1.24 2000/04/12 17:15:23 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static Expr *qual_cleanup(Expr *qual);
static List *remove_duplicates(List *list);
static void count_bool_nodes(Expr *qual, double *nodes,
- double *cnfnodes, double *dnfnodes);
+ double *cnfnodes, double *dnfnodes);
/*****************************************************************************
*
*
* If 'removeAndFlag' is true then it removes explicit AND at the top level,
* producing a list of implicitly-ANDed conditions. Otherwise, a regular
- * boolean expression is returned. Since most callers pass 'true', we
+ * boolean expression is returned. Since most callers pass 'true', we
* prefer to declare the result as List *, not Expr *.
*
* XXX This code could be much smarter, at the cost of also being slower,
if (qual == NULL)
return NIL;
- /* Flatten AND and OR groups throughout the tree.
- * This improvement is always worthwhile, so do it unconditionally.
+ /*
+ * Flatten AND and OR groups throughout the tree. This improvement is
+ * always worthwhile, so do it unconditionally.
*/
qual = flatten_andors(qual);
- /* Push down NOTs. We do this only in the top-level boolean
+ /*
+ * Push down NOTs. We do this only in the top-level boolean
* expression, without examining arguments of operators/functions.
* Even so, it might not be a win if we are unable to find negators
* for all the operators involved; perhaps we should compare before-
newqual = find_nots(qual);
/*
- * Choose whether to convert to CNF, or DNF, or leave well enough alone.
+ * Choose whether to convert to CNF, or DNF, or leave well enough
+ * alone.
*
* We make an approximate estimate of the number of bottom-level nodes
* that will appear in the CNF and DNF forms of the query.
*/
count_bool_nodes(newqual, &nodes, &cnfnodes, &dnfnodes);
+
/*
* First heuristic is to forget about *both* normal forms if there are
* a huge number of terms in the qual clause. This would only happen
- * with machine-generated queries, presumably; and most likely such
- * a query is already in either CNF or DNF.
+ * with machine-generated queries, presumably; and most likely such a
+ * query is already in either CNF or DNF.
*/
cnfok = dnfok = true;
if (nodes >= 500.0)
cnfok = dnfok = false;
+
/*
* Second heuristic is to forget about either CNF or DNF if it shows
* unreasonable growth compared to the original form of the qual,
cnfok = false;
if (dnfnodes >= 4.0 * nodes)
dnfok = false;
+
/*
- * Third heuristic is to prefer DNF if top level is already an OR,
- * and only one relation is mentioned, and DNF is no larger than
- * the CNF representation. (Pretty shaky; can we improve on this?)
+ * Third heuristic is to prefer DNF if top level is already an OR, and
+ * only one relation is mentioned, and DNF is no larger than the CNF
+ * representation. (Pretty shaky; can we improve on this?)
*/
if (cnfok && dnfok && dnfnodes <= cnfnodes &&
or_clause((Node *) newqual) &&
NumRelids((Node *) newqual) == 1)
cnfok = false;
+
/*
* Otherwise, we prefer CNF.
*
*/
if (cnfok)
{
- /* Normalize into conjunctive normal form, and clean up the result. */
+
+ /*
+ * Normalize into conjunctive normal form, and clean up the
+ * result.
+ */
newqual = qual_cleanup(find_ors(newqual));
}
else if (dnfok)
{
- /* Normalize into disjunctive normal form, and clean up the result. */
+
+ /*
+ * Normalize into disjunctive normal form, and clean up the
+ * result.
+ */
newqual = qual_cleanup(find_ands(newqual));
}
/* Convert to implicit-AND list if requested */
if (removeAndFlag)
- {
newqual = (Expr *) make_ands_implicit(newqual);
- }
return (List *) newqual;
}
*
* If 'removeAndFlag' is true then it removes explicit AND at the top level,
* producing a list of implicitly-ANDed conditions. Otherwise, a regular
- * boolean expression is returned. Since most callers pass 'true', we
+ * boolean expression is returned. Since most callers pass 'true', we
* prefer to declare the result as List *, not Expr *.
*/
List *
if (qual == NULL)
return NIL;
- /* Flatten AND and OR groups throughout the tree.
- * This improvement is always worthwhile.
+ /*
+ * Flatten AND and OR groups throughout the tree. This improvement is
+ * always worthwhile.
*/
newqual = flatten_andors(qual);
- /* Push down NOTs. We do this only in the top-level boolean
+
+ /*
+ * Push down NOTs. We do this only in the top-level boolean
* expression, without examining arguments of operators/functions.
*/
newqual = find_nots(newqual);
newqual = qual_cleanup(newqual);
if (removeAndFlag)
- {
newqual = (Expr *) make_ands_implicit(newqual);
- }
return (List *) newqual;
}
if (qual == NULL)
return NULL;
- /* Flatten AND and OR groups throughout the tree.
- * This improvement is always worthwhile.
+ /*
+ * Flatten AND and OR groups throughout the tree. This improvement is
+ * always worthwhile.
*/
newqual = flatten_andors(qual);
- /* Push down NOTs. We do this only in the top-level boolean
+
+ /*
+ * Push down NOTs. We do this only in the top-level boolean
* expression, without examining arguments of operators/functions.
*/
newqual = find_nots(newqual);
foreach(arg, qual->args)
{
- Expr *subexpr = flatten_andors((Expr *) lfirst(arg));
+ Expr *subexpr = flatten_andors((Expr *) lfirst(arg));
/*
- * Note: we can destructively nconc the subexpression's arglist
- * because we know the recursive invocation of flatten_andors
- * will have built a new arglist not shared with any other expr.
- * Otherwise we'd need a listCopy here.
+ * Note: we can destructively nconc the subexpression's
+ * arglist because we know the recursive invocation of
+ * flatten_andors will have built a new arglist not shared
+ * with any other expr. Otherwise we'd need a listCopy here.
*/
if (and_clause((Node *) subexpr))
out_list = nconc(out_list, subexpr->args);
foreach(arg, qual->args)
{
- Expr *subexpr = flatten_andors((Expr *) lfirst(arg));
+ Expr *subexpr = flatten_andors((Expr *) lfirst(arg));
/*
- * Note: we can destructively nconc the subexpression's arglist
- * because we know the recursive invocation of flatten_andors
- * will have built a new arglist not shared with any other expr.
- * Otherwise we'd need a listCopy here.
+ * Note: we can destructively nconc the subexpression's
+ * arglist because we know the recursive invocation of
+ * flatten_andors will have built a new arglist not shared
+ * with any other expr. Otherwise we'd need a listCopy here.
*/
if (or_clause((Node *) subexpr))
out_list = nconc(out_list, subexpr->args);
foreach(arg, orlist)
{
- Expr *subexpr = (Expr *) lfirst(arg);
+ Expr *subexpr = (Expr *) lfirst(arg);
/*
* Note: we can destructively nconc the subexpression's arglist
- * because we know the recursive invocation of pull_ors
- * will have built a new arglist not shared with any other expr.
- * Otherwise we'd need a listCopy here.
+ * because we know the recursive invocation of pull_ors will have
+ * built a new arglist not shared with any other expr. Otherwise
+ * we'd need a listCopy here.
*/
if (or_clause((Node *) subexpr))
out_list = nconc(out_list, pull_ors(subexpr->args));
foreach(arg, andlist)
{
- Expr *subexpr = (Expr *) lfirst(arg);
+ Expr *subexpr = (Expr *) lfirst(arg);
/*
* Note: we can destructively nconc the subexpression's arglist
- * because we know the recursive invocation of pull_ands
- * will have built a new arglist not shared with any other expr.
- * Otherwise we'd need a listCopy here.
+ * because we know the recursive invocation of pull_ands will have
+ * built a new arglist not shared with any other expr. Otherwise
+ * we'd need a listCopy here.
*/
if (and_clause((Node *) subexpr))
out_list = nconc(out_list, pull_ands(subexpr->args));
* For 'NOT' clauses, apply push_not() to try to push down the 'NOT'.
* For all other clause types, simply recurse.
*
- * Returns the modified qualification. AND/OR flatness is preserved.
+ * Returns the modified qualification. AND/OR flatness is preserved.
*/
static Expr *
find_nots(Expr *qual)
push_nots(Expr *qual)
{
if (qual == NULL)
- return make_notclause(qual); /* XXX is this right? Or possible? */
+ return make_notclause(qual); /* XXX is this right? Or
+ * possible? */
/*
* Negate an operator clause if possible: ("NOT" (< A B)) => (> A B)
InvalidOid,
oper->opresulttype,
0, NULL);
+
return make_opclause(op, get_leftop(qual), get_rightop(qual));
}
else
/*--------------------
* Apply DeMorgan's Laws:
* ("NOT" ("AND" A B)) => ("OR" ("NOT" A) ("NOT" B))
- * ("NOT" ("OR" A B)) => ("AND" ("NOT" A) ("NOT" B))
+ * ("NOT" ("OR" A B)) => ("AND" ("NOT" A) ("NOT" B))
* i.e., swap AND for OR and negate all the subclauses.
*--------------------
*/
}
else if (not_clause((Node *) qual))
{
+
/*
* Another 'not' cancels this 'not', so eliminate the 'not' and
* stop negating this branch. But search the subexpression for
}
else
{
+
/*
* We don't know how to negate anything else, place a 'not' at
* this level.
* Note that 'or' clauses will always be turned into 'and' clauses
* if they contain any 'and' subclauses.
*
- * Returns the modified qualification. AND/OR flatness is preserved.
+ * Returns the modified qualification. AND/OR flatness is preserved.
*/
static Expr *
find_ors(Expr *qual)
return lfirst(orlist); /* single-expression OR (can this happen?) */
/*
- * If we have a choice of AND clauses, pick the one with the
- * most subclauses. Because we initialized num_subclauses = 1,
- * any AND clauses with only one arg will be ignored as useless.
+ * If we have a choice of AND clauses, pick the one with the most
+ * subclauses. Because we initialized num_subclauses = 1, any AND
+ * clauses with only one arg will be ignored as useless.
*/
foreach(temp, orlist)
{
- Expr *clause = lfirst(temp);
+ Expr *clause = lfirst(temp);
if (and_clause((Node *) clause))
{
- int nclauses = length(clause->args);
+ int nclauses = length(clause->args);
if (nclauses > num_subclauses)
{
}
/* if there's no suitable AND clause, we can't transform the OR */
- if (! distributable)
+ if (!distributable)
return make_orclause(orlist);
- /* Caution: lremove destructively modifies the input orlist.
- * This should be OK, since or_normalize is only called with
- * freshly constructed lists that are not referenced elsewhere.
+ /*
+ * Caution: lremove destructively modifies the input orlist. This
+ * should be OK, since or_normalize is only called with freshly
+ * constructed lists that are not referenced elsewhere.
*/
orlist = lremove(distributable, orlist);
{
Expr *andclause = lfirst(temp);
- /* pull_ors is needed here in case andclause has a top-level OR.
- * Then we recursively apply or_normalize, since there might
- * be an AND subclause in the resulting OR-list.
- * Note: we rely on pull_ors to build a fresh list,
- * and not damage the given orlist.
+ /*
+ * pull_ors is needed here in case andclause has a top-level OR.
+ * Then we recursively apply or_normalize, since there might be an
+ * AND subclause in the resulting OR-list. Note: we rely on
+ * pull_ors to build a fresh list, and not damage the given
+ * orlist.
*/
andclause = or_normalize(pull_ors(lcons(andclause, orlist)));
andclauses = lappend(andclauses, andclause);
* Note that 'and' clauses will always be turned into 'or' clauses
* if they contain any 'or' subclauses.
*
- * Returns the modified qualification. AND/OR flatness is preserved.
+ * Returns the modified qualification. AND/OR flatness is preserved.
*/
static Expr *
find_ands(Expr *qual)
if (andlist == NIL)
return NULL; /* probably can't happen */
if (lnext(andlist) == NIL)
- return lfirst(andlist); /* single-expression AND (can this happen?) */
+ return lfirst(andlist); /* single-expression AND (can this
+ * happen?) */
/*
- * If we have a choice of OR clauses, pick the one with the
- * most subclauses. Because we initialized num_subclauses = 1,
- * any OR clauses with only one arg will be ignored as useless.
+ * If we have a choice of OR clauses, pick the one with the most
+ * subclauses. Because we initialized num_subclauses = 1, any OR
+ * clauses with only one arg will be ignored as useless.
*/
foreach(temp, andlist)
{
- Expr *clause = lfirst(temp);
+ Expr *clause = lfirst(temp);
if (or_clause((Node *) clause))
{
- int nclauses = length(clause->args);
+ int nclauses = length(clause->args);
if (nclauses > num_subclauses)
{
}
/* if there's no suitable OR clause, we can't transform the AND */
- if (! distributable)
+ if (!distributable)
return make_andclause(andlist);
- /* Caution: lremove destructively modifies the input andlist.
- * This should be OK, since and_normalize is only called with
- * freshly constructed lists that are not referenced elsewhere.
+ /*
+ * Caution: lremove destructively modifies the input andlist. This
+ * should be OK, since and_normalize is only called with freshly
+ * constructed lists that are not referenced elsewhere.
*/
andlist = lremove(distributable, andlist);
{
Expr *orclause = lfirst(temp);
- /* pull_ands is needed here in case orclause has a top-level AND.
- * Then we recursively apply and_normalize, since there might
- * be an OR subclause in the resulting AND-list.
- * Note: we rely on pull_ands to build a fresh list,
- * and not damage the given andlist.
+ /*
+ * pull_ands is needed here in case orclause has a top-level AND.
+ * Then we recursively apply and_normalize, since there might be
+ * an OR subclause in the resulting AND-list. Note: we rely on
+ * pull_ands to build a fresh list, and not damage the given
+ * andlist.
*/
orclause = and_normalize(pull_ands(lcons(orclause, andlist)));
orclauses = lappend(orclauses, orclause);
* qual_cleanup
* Fix up a qualification by removing duplicate entries (which could be
* created during normalization, if identical subexpressions from different
- * parts of the tree are brought together). Also, check for AND and OR
+ * parts of the tree are brought together). Also, check for AND and OR
* clauses with only one remaining subexpression, and simplify.
*
* Returns the modified qualification.
foreach(i, list)
{
- if (! member(lfirst(i), result))
+ if (!member(lfirst(i), result))
result = lappend(result, lfirst(i));
}
return result;
double *dnfnodes)
{
List *temp;
- double subnodes, subcnfnodes, subdnfnodes;
+ double subnodes,
+ subcnfnodes,
+ subdnfnodes;
if (and_clause((Node *) qual))
{
foreach(temp, qual->args)
{
- count_bool_nodes(lfirst(temp),
+ count_bool_nodes(lfirst(temp),
&subnodes, &subcnfnodes, &subdnfnodes);
*nodes += subnodes;
*cnfnodes += subcnfnodes;
*dnfnodes *= subdnfnodes;
}
- /* we could get dnfnodes < cnfnodes here, if all the sub-nodes are
+
+ /*
+ * we could get dnfnodes < cnfnodes here, if all the sub-nodes are
* simple ones with count 1. Make sure dnfnodes isn't too small.
*/
if (*dnfnodes < *cnfnodes)
foreach(temp, qual->args)
{
- count_bool_nodes(lfirst(temp),
+ count_bool_nodes(lfirst(temp),
&subnodes, &subcnfnodes, &subdnfnodes);
*nodes += subnodes;
*cnfnodes *= subcnfnodes;
*dnfnodes += subdnfnodes;
}
- /* we could get cnfnodes < dnfnodes here, if all the sub-nodes are
+
+ /*
+ * we could get cnfnodes < dnfnodes here, if all the sub-nodes are
* simple ones with count 1. Make sure cnfnodes isn't too small.
*/
if (*cnfnodes < *dnfnodes)
* Routines to preprocess the parse tree target list
*
* This module takes care of altering the query targetlist as needed for
- * INSERT, UPDATE, and DELETE queries. For INSERT and UPDATE queries,
+ * INSERT, UPDATE, and DELETE queries. For INSERT and UPDATE queries,
* the targetlist must contain an entry for each attribute of the target
* relation in the correct order. For both UPDATE and DELETE queries,
* we need a junk targetlist entry holding the CTID attribute --- the
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/prep/preptlist.c,v 1.35 2000/03/09 05:00:24 inoue Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/prep/preptlist.c,v 1.36 2000/04/12 17:15:23 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static List *expand_targetlist(List *tlist, int command_type,
- Index result_relation, List *range_table);
+ Index result_relation, List *range_table);
/*
Index result_relation,
List *range_table)
{
+
/*
* for heap_formtuple to work, the targetlist must match the exact
* order of the attributes. We also need to fill in any missing
result_relation, range_table);
/*
- * for "update" and "delete" queries, add ctid of the result
- * relation into the target list so that the ctid will propagate
- * through execution and ExecutePlan() will be able to identify
- * the right tuple to replace or delete. This extra field is
- * marked "junk" so that it is not stored back into the tuple.
+ * for "update" and "delete" queries, add ctid of the result relation
+ * into the target list so that the ctid will propagate through
+ * execution and ExecutePlan() will be able to identify the right
+ * tuple to replace or delete. This extra field is marked "junk" so
+ * that it is not stored back into the tuple.
*/
if (command_type == CMD_UPDATE || command_type == CMD_DELETE)
{
var = makeVar(result_relation, SelfItemPointerAttributeNumber,
TIDOID, -1, 0);
- /* For an UPDATE, expand_targetlist already created a fresh tlist.
+ /*
+ * For an UPDATE, expand_targetlist already created a fresh tlist.
* For DELETE, better do a listCopy so that we don't destructively
* modify the original tlist (is this really necessary?).
*/
List *temp;
/*
- * Keep a map of which tlist items we have transferred to new list.
- * +1 here keeps palloc from complaining if old_tlist_len=0.
+ * Keep a map of which tlist items we have transferred to new list. +1
+ * here keeps palloc from complaining if old_tlist_len=0.
*/
- tlistentry_used = (bool *) palloc((old_tlist_len+1) * sizeof(bool));
- memset(tlistentry_used, 0, (old_tlist_len+1) * sizeof(bool));
+ tlistentry_used = (bool *) palloc((old_tlist_len + 1) * sizeof(bool));
+ memset(tlistentry_used, 0, (old_tlist_len + 1) * sizeof(bool));
/*
* Scan the tuple description in the relation's relcache entry to make
for (attrno = 1; attrno <= numattrs; attrno++)
{
- Form_pg_attribute att_tup = rel->rd_att->attrs[attrno-1];
- char *attrname = NameStr(att_tup->attname);
- TargetEntry *new_tle = NULL;
+ Form_pg_attribute att_tup = rel->rd_att->attrs[attrno - 1];
+ char *attrname = NameStr(att_tup->attname);
+ TargetEntry *new_tle = NULL;
/*
* We match targetlist entries to attributes using the resname.
old_tlist_index = 0;
foreach(temp, tlist)
{
- TargetEntry *old_tle = (TargetEntry *) lfirst(temp);
- Resdom *resdom = old_tle->resdom;
+ TargetEntry *old_tle = (TargetEntry *) lfirst(temp);
+ Resdom *resdom = old_tle->resdom;
- if (! tlistentry_used[old_tlist_index] &&
+ if (!tlistentry_used[old_tlist_index] &&
strcmp(resdom->resname, attrname) == 0 &&
- ! resdom->resjunk)
+ !resdom->resjunk)
{
+
/*
* We can recycle the old TLE+resdom if right resno; else
- * make a new one to avoid modifying the old tlist structure.
- * (Is preserving old tlist actually necessary?)
+ * make a new one to avoid modifying the old tlist
+ * structure. (Is preserving old tlist actually
+ * necessary?)
*/
if (resdom->resno == attrno)
- {
new_tle = old_tle;
- }
else
{
resdom = (Resdom *) copyObject((Node *) resdom);
if (new_tle == NULL)
{
+
/*
* Didn't find a matching tlist entry, so make one.
*
- * For INSERT, generate a constant of the default value for
- * the attribute type, or NULL if no default value.
+ * For INSERT, generate a constant of the default value for the
+ * attribute type, or NULL if no default value.
*
- * For UPDATE, generate a Var reference to the existing value
- * of the attribute, so that it gets copied to the new tuple.
+ * For UPDATE, generate a Var reference to the existing value of
+ * the attribute, so that it gets copied to the new tuple.
*/
Oid atttype = att_tup->atttypid;
int32 atttypmod = att_tup->atttypmod;
switch (command_type)
{
case CMD_INSERT:
- {
+ {
#ifdef _DROP_COLUMN_HACK__
- Datum typedefault;
+ Datum typedefault;
+
#else
- Datum typedefault = get_typdefault(atttype);
-#endif /* _DROP_COLUMN_HACK__ */
- int typlen;
- Const *temp_const;
+ Datum typedefault = get_typdefault(atttype);
+
+#endif /* _DROP_COLUMN_HACK__ */
+ int typlen;
+ Const *temp_const;
#ifdef _DROP_COLUMN_HACK__
- if (COLUMN_IS_DROPPED(att_tup))
- typedefault = PointerGetDatum(NULL);
- else
- typedefault = get_typdefault(atttype);
-#endif /* _DROP_COLUMN_HACK__ */
- if (typedefault == PointerGetDatum(NULL))
- typlen = 0;
- else
- {
- /*
- * Since this is an append or replace, the size of
- * any set attribute is the size of the OID used to
- * represent it.
- */
- if (att_tup->attisset)
- typlen = get_typlen(OIDOID);
+ if (COLUMN_IS_DROPPED(att_tup))
+ typedefault = PointerGetDatum(NULL);
+ else
+ typedefault = get_typdefault(atttype);
+#endif /* _DROP_COLUMN_HACK__ */
+ if (typedefault == PointerGetDatum(NULL))
+ typlen = 0;
else
- typlen = get_typlen(atttype);
+ {
+
+ /*
+ * Since this is an append or replace, the
+ * size of any set attribute is the size of
+ * the OID used to represent it.
+ */
+ if (att_tup->attisset)
+ typlen = get_typlen(OIDOID);
+ else
+ typlen = get_typlen(atttype);
+ }
+
+ temp_const = makeConst(atttype,
+ typlen,
+ typedefault,
+ (typedefault == PointerGetDatum(NULL)),
+ false,
+ false, /* not a set */
+ false);
+
+ new_tle = makeTargetEntry(makeResdom(attrno,
+ atttype,
+ -1,
+ pstrdup(attrname),
+ 0,
+ (Oid) 0,
+ false),
+ (Node *) temp_const);
+ break;
}
-
- temp_const = makeConst(atttype,
- typlen,
- typedefault,
- (typedefault == PointerGetDatum(NULL)),
- false,
- false, /* not a set */
- false);
-
- new_tle = makeTargetEntry(makeResdom(attrno,
- atttype,
- -1,
- pstrdup(attrname),
- 0,
- (Oid) 0,
- false),
- (Node *) temp_const);
- break;
- }
case CMD_UPDATE:
- {
- Var *temp_var;
+ {
+ Var *temp_var;
#ifdef _DROP_COLUMN_HACK__
- Node *temp_node = (Node *) NULL;
- if (COLUMN_IS_DROPPED(att_tup))
- {
- temp_node = (Node *)makeConst(atttype, 0,
- PointerGetDatum(NULL),
- true,
- false,
- false, /* not a set */
- false);
- }
- else
-#endif /* _DROP_COLUMN_HACK__ */
- temp_var = makeVar(result_relation, attrno, atttype,
- atttypmod, 0);
+ Node *temp_node = (Node *) NULL;
+
+ if (COLUMN_IS_DROPPED(att_tup))
+ {
+ temp_node = (Node *) makeConst(atttype, 0,
+ PointerGetDatum(NULL),
+ true,
+ false,
+ false, /* not a set */
+ false);
+ }
+ else
+#endif /* _DROP_COLUMN_HACK__ */
+ temp_var = makeVar(result_relation, attrno, atttype,
+ atttypmod, 0);
#ifdef _DROP_COLUMN_HACK__
- if (!temp_node)
- temp_node = (Node *) temp_var;
-#endif /* _DROP_COLUMN_HACK__ */
-
- new_tle = makeTargetEntry(makeResdom(attrno,
- atttype,
- atttypmod,
- pstrdup(attrname),
- 0,
- (Oid) 0,
- false),
+ if (!temp_node)
+ temp_node = (Node *) temp_var;
+#endif /* _DROP_COLUMN_HACK__ */
+
+ new_tle = makeTargetEntry(makeResdom(attrno,
+ atttype,
+ atttypmod,
+ pstrdup(attrname),
+ 0,
+ (Oid) 0,
+ false),
#ifdef _DROP_COLUMN_HACK__
- temp_node);
+ temp_node);
#else
- (Node *) temp_var);
-#endif /* _DROP_COLUMN_HACK__ */
- break;
- }
+ (Node *) temp_var);
+#endif /* _DROP_COLUMN_HACK__ */
+ break;
+ }
default:
elog(ERROR, "expand_targetlist: unexpected command_type");
break;
/*
* Copy all unprocessed tlist entries to the end of the new tlist,
- * making sure they are marked resjunk = true. Typical junk entries
- * include ORDER BY or GROUP BY expressions (are these actually possible
- * in an INSERT or UPDATE?), system attribute references, etc.
+ * making sure they are marked resjunk = true. Typical junk entries
+ * include ORDER BY or GROUP BY expressions (are these actually
+ * possible in an INSERT or UPDATE?), system attribute references,
+ * etc.
*/
old_tlist_index = 0;
foreach(temp, tlist)
{
- TargetEntry *old_tle = (TargetEntry *) lfirst(temp);
+ TargetEntry *old_tle = (TargetEntry *) lfirst(temp);
- if (! tlistentry_used[old_tlist_index])
+ if (!tlistentry_used[old_tlist_index])
{
- Resdom *resdom;
+ Resdom *resdom;
resdom = (Resdom *) copyObject((Node *) old_tle->resdom);
resdom->resno = attrno++;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/prep/prepunion.c,v 1.47 2000/03/21 05:12:06 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/prep/prepunion.c,v 1.48 2000/04/12 17:15:23 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "parser/parsetree.h"
#include "utils/lsyscache.h"
-typedef struct {
+typedef struct
+{
Index rt_index;
int sublevels_up;
Oid old_relid;
RangeTblEntry *old_entry);
static void fix_parsetree_attnums(Index rt_index, Oid old_relid,
Oid new_relid, Query *parsetree);
-static bool fix_parsetree_attnums_walker (Node *node,
- fix_parsetree_attnums_context *context);
+static bool fix_parsetree_attnums_walker(Node *node,
+ fix_parsetree_attnums_context *context);
static Append *make_append(List *appendplans, List *unionrtables,
- Index rt_index,
- List *inheritrtable, List *tlist);
+ Index rt_index,
+ List *inheritrtable, List *tlist);
/*
/* Is this a simple one */
if (!union_all_found ||
!union_found ||
- /* A trailing UNION negates the effect of earlier UNION ALLs */
+ /* A trailing UNION negates the effect of earlier UNION ALLs */
!last_union_all_flag)
{
List *hold_unionClause = parse->unionClause;
- double tuple_fraction = -1.0; /* default processing */
+ double tuple_fraction = -1.0; /* default processing */
/* we will do sorting later, so don't do it now */
if (!union_all_found ||
{
parse->sortClause = NIL;
parse->distinctClause = NIL;
+
/*
* force lower-level planning to assume that all tuples will
* be retrieved, even if it sees a LIMIT in the query node.
{
Query *union_query = lfirst(ulist);
- /* use subquery_planner here because the union'd queries
- * have not been preprocessed yet. My goodness this is messy...
+ /*
+ * use subquery_planner here because the union'd queries have
+ * not been preprocessed yet. My goodness this is messy...
*/
union_plans = lappend(union_plans,
subquery_planner(union_query,
* Recursion, but UNION only. The last one is a UNION, so it will
* not come here in recursion.
*
- * XXX is it OK to pass default -1 to union_planner in this path,
- * or should we force a tuple_fraction value?
+ * XXX is it OK to pass default -1 to union_planner in this path, or
+ * should we force a tuple_fraction value?
*/
union_plans = lcons(union_planner(parse, -1.0), NIL);
union_rts = lcons(parse->rtable, NIL);
{
Query *union_all_query = lfirst(ulist);
- /* use subquery_planner here because the union'd queries
- * have not been preprocessed yet. My goodness this is messy...
+ /*
+ * use subquery_planner here because the union'd queries have
+ * not been preprocessed yet. My goodness this is messy...
*/
union_plans = lappend(union_plans,
- subquery_planner(union_all_query, -1.0));
+ subquery_planner(union_all_query, -1.0));
union_rts = lappend(union_rts, union_all_query->rtable);
}
}
/* We have already split UNION and UNION ALL and we made it consistent */
if (!last_union_all_flag)
{
- /* Need SELECT DISTINCT behavior to implement UNION.
- * Put back the held sortClause, add any missing columns to the
- * sort clause, and set distinctClause properly.
+
+ /*
+ * Need SELECT DISTINCT behavior to implement UNION. Put back the
+ * held sortClause, add any missing columns to the sort clause,
+ * and set distinctClause properly.
*/
List *slitem;
SortClause *scl = (SortClause *) lfirst(slitem);
TargetEntry *tle = get_sortgroupclause_tle(scl, parse->targetList);
- if (! tle->resdom->resjunk)
+ if (!tle->resdom->resjunk)
parse->distinctClause = lappend(parse->distinctClause,
copyObject(scl));
}
parse->distinctClause = NIL;
}
- /* Make sure we don't try to apply the first query's grouping stuff
- * to the Append node, either. Basically we don't want union_planner
- * to do anything when we return control, except add the top sort/unique
+ /*
+ * Make sure we don't try to apply the first query's grouping stuff to
+ * the Append node, either. Basically we don't want union_planner to
+ * do anything when we return control, except add the top sort/unique
* nodes for DISTINCT processing if this wasn't UNION ALL, or the top
* sort node if it was UNION ALL with a user-provided sort clause.
*/
*
* If grouping, aggregation, or sorting is specified in the parent plan,
* the subplans should not do any of those steps --- we must do those
- * operations just once above the APPEND node. The given tlist has been
+ * operations just once above the APPEND node. The given tlist has been
* modified appropriately to remove group/aggregate expressions, but the
* Query node still has the relevant fields set. We remove them in the
* copies used for subplans (see plan_inherit_query).
*
* NOTE: this can be invoked recursively if more than one inheritance wildcard
- * is present. At each level of recursion, the first wildcard remaining in
+ * is present. At each level of recursion, the first wildcard remaining in
* the rangetable is expanded.
*/
Append *
/*
* Remove the flag for this relation, since we're about to handle it.
- * XXX destructive change to parent parse tree, but necessary to prevent
- * infinite recursion.
+ * XXX destructive change to parent parse tree, but necessary to
+ * prevent infinite recursion.
*/
rt_entry->inh = false;
List *union_plans = NIL;
List *union_rtentries = NIL;
List *save_tlist = root->targetList;
- double tuple_fraction;
+ double tuple_fraction;
List *i;
/*
* Avoid making copies of the root's tlist, which we aren't going to
- * use anyway (we are going to make copies of the passed tlist, instead).
+ * use anyway (we are going to make copies of the passed tlist,
+ * instead).
*/
root->targetList = NIL;
/*
- * If we are going to need sorting or grouping at the top level,
- * force lower-level planners to assume that all tuples will be
- * retrieved.
+ * If we are going to need sorting or grouping at the top level, force
+ * lower-level planners to assume that all tuples will be retrieved.
*/
if (root->distinctClause || root->sortClause ||
root->groupClause || root->hasAggs)
- tuple_fraction = 0.0; /* will need all tuples from each subplan */
+ tuple_fraction = 0.0; /* will need all tuples from each subplan */
else
- tuple_fraction = -1.0; /* default behavior is OK (I think) */
+ tuple_fraction = -1.0; /* default behavior is OK (I think) */
foreach(i, relids)
{
int relid = lfirsti(i);
+
/*
- * Make a modifiable copy of the original query,
- * and replace the target rangetable entry with a new one
- * identifying this child table.
+ * Make a modifiable copy of the original query, and replace the
+ * target rangetable entry with a new one identifying this child
+ * table.
*/
Query *new_root = copyObject(root);
RangeTblEntry *new_rt_entry = new_rangetable_entry(relid,
rt_entry);
rt_store(rt_index, new_root->rtable, new_rt_entry);
+
/*
- * Insert (a modifiable copy of) the desired simplified tlist
- * into the subquery
+ * Insert (a modifiable copy of) the desired simplified tlist into
+ * the subquery
*/
new_root->targetList = copyObject(tlist);
new_root->sortClause = NIL;
new_root->groupClause = NIL;
new_root->havingQual = NULL;
- new_root->hasAggs = false; /* shouldn't be any left ... */
+ new_root->hasAggs = false; /* shouldn't be any left ... */
/*
* Update attribute numbers in case child has different ordering
* of columns than parent (as can happen after ALTER TABLE).
*
* XXX This is a crock, and it doesn't really work. It'd be better
- * to fix ALTER TABLE to preserve consistency of attribute numbering.
+ * to fix ALTER TABLE to preserve consistency of attribute
+ * numbering.
*/
fix_parsetree_attnums(rt_index,
rt_entry->relid,
List *unexamined_relids = lconsi(parentrel, NIL);
/*
- * While the queue of unexamined relids is nonempty, remove the
- * first element, mark it examined, and find its direct descendants.
- * NB: cannot use foreach(), since we modify the queue inside loop.
+ * While the queue of unexamined relids is nonempty, remove the first
+ * element, mark it examined, and find its direct descendants. NB:
+ * cannot use foreach(), since we modify the queue inside loop.
*/
while (unexamined_relids != NIL)
{
- Oid currentrel = lfirsti(unexamined_relids);
- List *currentchildren;
+ Oid currentrel = lfirsti(unexamined_relids);
+ List *currentchildren;
unexamined_relids = lnext(unexamined_relids);
examined_relids = lappendi(examined_relids, currentrel);
currentchildren = find_inheritance_children(currentrel);
+
/*
- * Add to the queue only those children not already seen.
- * This could probably be simplified to a plain nconc,
- * because our inheritance relationships should always be a
- * strict tree, no? Should never find any matches, ISTM...
+ * Add to the queue only those children not already seen. This
+ * could probably be simplified to a plain nconc, because our
+ * inheritance relationships should always be a strict tree, no?
+ * Should never find any matches, ISTM...
*/
currentchildren = set_differencei(currentchildren, examined_relids);
unexamined_relids = LispUnioni(unexamined_relids, currentchildren);
* 'old_relid' in 'parsetree' with the attribute numbers from
* 'new_relid'.
*
- * The parsetree is MODIFIED IN PLACE. This is OK only because
+ * The parsetree is MODIFIED IN PLACE. This is OK only because
* plan_inherit_query made a copy of the tree for us to hack upon.
*/
static void
context.old_relid = old_relid;
context.new_relid = new_relid;
context.sublevels_up = 0;
+
/*
* We must scan both the targetlist and qual, but we know the
* havingQual is empty, so we can ignore it.
}
/*
- * Adjust varnos for child tables. This routine makes it possible for
+ * Adjust varnos for child tables. This routine makes it possible for
* child tables to have different column positions for the "same" attribute
* as a parent, which helps ALTER TABLE ADD COLUMN. Unfortunately this isn't
* nearly enough to make it work transparently; there are other places where
* ALTER TABLE...
*/
static bool
-fix_parsetree_attnums_walker (Node *node,
- fix_parsetree_attnums_context *context)
+fix_parsetree_attnums_walker(Node *node,
+ fix_parsetree_attnums_context *context)
{
if (node == NULL)
return false;
}
if (IsA(node, SubLink))
{
+
/*
- * Standard expression_tree_walker will not recurse into subselect,
- * but here we must do so.
+ * Standard expression_tree_walker will not recurse into
+ * subselect, but here we must do so.
*/
SubLink *sub = (SubLink *) node;
node->plan.plan_width = 0;
foreach(subnode, appendplans)
{
- Plan *subplan = (Plan *) lfirst(subnode);
+ Plan *subplan = (Plan *) lfirst(subnode);
- if (subnode == appendplans) /* first node? */
+ if (subnode == appendplans) /* first node? */
node->plan.startup_cost = subplan->startup_cost;
node->plan.total_cost += subplan->total_cost;
node->plan.plan_rows += subplan->plan_rows;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.64 2000/04/04 01:21:46 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.65 2000/04/12 17:15:24 momjian Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
static bool contain_subplans_walker(Node *node, void *context);
static bool pull_subplans_walker(Node *node, List **listptr);
static bool check_subplans_for_ungrouped_vars_walker(Node *node,
- Query *context);
-static int is_single_func(Node *node);
-static Node *eval_const_expressions_mutator (Node *node, void *context);
+ Query *context);
+static int is_single_func(Node *node);
+static Node *eval_const_expressions_mutator(Node *node, void *context);
static Expr *simplify_op_or_func(Expr *expr, List *args);
List *
make_ands_implicit(Expr *clause)
{
+
/*
* NB: because the parser sets the qual field to NULL in a query that
* has no WHERE clause, we must consider a NULL input clause as TRUE,
- * even though one might more reasonably think it FALSE. Grumble.
- * If this causes trouble, consider changing the parser's behavior.
+ * even though one might more reasonably think it FALSE. Grumble. If
+ * this causes trouble, consider changing the parser's behavior.
*/
if (clause == NULL)
return NIL; /* NULL -> NIL list == TRUE */
else if (and_clause((Node *) clause))
return clause->args;
else if (IsA(clause, Const) &&
- ! ((Const *) clause)->constisnull &&
+ !((Const *) clause)->constisnull &&
DatumGetInt32(((Const *) clause)->constvalue))
return NIL; /* constant TRUE input -> NIL list */
else
if (node == NULL)
return false;
if (IsA(node, Aggref))
- return true; /* abort the tree traversal and return true */
+ return true; /* abort the tree traversal and return
+ * true */
return expression_tree_walker(node, contain_agg_clause_walker, context);
}
if (IsA(node, Aggref))
{
*listptr = lappend(*listptr, node);
+
/*
* Complain if the aggregate's argument contains any aggregates;
* nested agg functions are semantically nonsensical.
*/
if (contain_agg_clause(((Aggref *) node)->target))
elog(ERROR, "Aggregate function calls may not be nested");
+
/*
* Having checked that, we need not recurse into the argument.
*/
if (node == NULL)
return false;
if (is_subplan(node) || IsA(node, SubLink))
- return true; /* abort the tree traversal and return true */
+ return true; /* abort the tree traversal and return
+ * true */
return expression_tree_walker(node, contain_subplans_walker, context);
}
* pull_subplans
* Recursively pulls all subplans from an expression tree.
*
- * Returns list of subplan nodes found. Note the nodes themselves are not
+ * Returns list of subplan nodes found. Note the nodes themselves are not
* copied, only referenced.
*/
List *
check_subplans_for_ungrouped_vars(Node *clause,
Query *query)
{
- /* No special setup needed; context for walker is just the Query pointer */
+
+ /*
+ * No special setup needed; context for walker is just the Query
+ * pointer
+ */
check_subplans_for_ungrouped_vars_walker(clause, query);
}
{
if (node == NULL)
return false;
+
/*
- * We can ignore Vars other than in subplan args lists,
- * since the parser already checked 'em.
+ * We can ignore Vars other than in subplan args lists, since the
+ * parser already checked 'em.
*/
if (is_subplan(node))
{
+
/*
* The args list of the subplan node represents attributes from
* outside passed into the sublink.
*/
- List *t;
+ List *t;
foreach(t, ((Expr *) node)->args)
{
/*
* We do not care about args that are not local variables;
* params or outer-level vars are not our responsibility to
- * check. (The outer-level query passing them to us needs
- * to worry, instead.)
+ * check. (The outer-level query passing them to us needs to
+ * worry, instead.)
*/
- if (! IsA(thisarg, Var))
+ if (!IsA(thisarg, Var))
continue;
var = (Var *) thisarg;
if (var->varlevelsup > 0)
contained_in_group_clause = false;
foreach(gl, context->groupClause)
{
- GroupClause *gcl = lfirst(gl);
- Node *groupexpr;
+ GroupClause *gcl = lfirst(gl);
+ Node *groupexpr;
groupexpr = get_sortgroupclause_expr(gcl,
context->targetList);
if (!contained_in_group_clause)
{
/* Found an ungrouped argument. Complain. */
- RangeTblEntry *rte;
- char *attname;
+ RangeTblEntry *rte;
+ char *attname;
Assert(var->varno > 0 &&
var->varno <= length(context->rtable));
rte = rt_fetch(var->varno, context->rtable);
attname = get_attname(rte->relid, var->varattno);
- if (! attname)
+ if (!attname)
elog(ERROR, "cache lookup of attribute %d in relation %u failed",
var->varattno, rte->relid);
elog(ERROR, "Sub-SELECT uses un-GROUPed attribute %s.%s from outer query",
}
}
return expression_tree_walker(node,
- check_subplans_for_ungrouped_vars_walker,
+ check_subplans_for_ungrouped_vars_walker,
(void *) context);
}
* is referenced in the clause). The routine checks that the
* expression is of the form (var op something) or (something op var)
* where the var is an attribute of the specified relation, or
- * a function of a var of the specified relation. If so, it
+ * a function of a var of the specified relation. If so, it
* returns the following info:
* the found relation number (same as targetrelid unless that is 0)
* the found var number (or InvalidAttrNumber if a function)
* specifically 0 for the relid and attno, 0 for the constant value.
*
* Note that negative attno values are *not* invalid, but represent
- * system attributes such as OID. It's sufficient to check for relid=0
+ * system attributes such as OID. It's sufficient to check for relid=0
* to determine whether the routine succeeded.
*/
void
*flag |= SEL_CONSTANT;
}
else
- {
*constval = 0;
- }
}
/*
* is_single_func
- * If the given expression is a function of a single relation,
- * return the relation number; else return 0
+ * If the given expression is a function of a single relation,
+ * return the relation number; else return 0
*/
static int
is_single_func(Node *node)
if (length(varnos) == 1)
{
- int funcvarno = lfirsti(varnos);
+ int funcvarno = lfirsti(varnos);
freeList(varnos);
return funcvarno;
* expression tree, for example "2 + 2" => "4". More interestingly,
* we can reduce certain boolean expressions even when they contain
* non-constant subexpressions: "x OR true" => "true" no matter what
- * the subexpression x is. (XXX We assume that no such subexpression
+ * the subexpression x is. (XXX We assume that no such subexpression
* will have important side-effects, which is not necessarily a good
* assumption in the presence of user-defined functions; do we need a
* pg_proc flag that prevents discarding the execution of a function?)
}
static Node *
-eval_const_expressions_mutator (Node *node, void *context)
+eval_const_expressions_mutator(Node *node, void *context)
{
if (node == NULL)
return NULL;
Expr *expr = (Expr *) node;
List *args;
Const *const_input;
- Expr *newexpr;
+ Expr *newexpr;
/*
* Reduce constants in the Expr's arguments. We know args is
- * either NIL or a List node, so we can call expression_tree_mutator
- * directly rather than recursing to self.
+ * either NIL or a List node, so we can call
+ * expression_tree_mutator directly rather than recursing to self.
*/
args = (List *) expression_tree_mutator((Node *) expr->args,
- eval_const_expressions_mutator,
+ eval_const_expressions_mutator,
(void *) context);
switch (expr->opType)
{
case OP_EXPR:
case FUNC_EXPR:
+
/*
* Code for op/func case is pretty bulky, so split it out
* as a separate function.
newexpr = simplify_op_or_func(expr, args);
if (newexpr) /* successfully simplified it */
return (Node *) newexpr;
- /* else fall out to build new Expr node with simplified args */
- break;
- case OR_EXPR:
- {
+
/*
- * OR arguments are handled as follows:
- * non constant: keep
- * FALSE: drop (does not affect result)
- * TRUE: force result to TRUE
- * NULL: keep only one
- * We keep one NULL input because ExecEvalOr returns
- * NULL when no input is TRUE and at least one is NULL.
+ * else fall out to build new Expr node with simplified
+ * args
*/
- List *newargs = NIL;
- List *arg;
- bool haveNull = false;
- bool forceTrue = false;
-
- foreach(arg, args)
+ break;
+ case OR_EXPR:
{
- if (! IsA(lfirst(arg), Const))
+
+ /*
+ * OR arguments are handled as follows: non constant:
+ * keep FALSE: drop (does not affect result) TRUE:
+ * force result to TRUE NULL: keep only one We keep
+ * one NULL input because ExecEvalOr returns NULL when
+ * no input is TRUE and at least one is NULL.
+ */
+ List *newargs = NIL;
+ List *arg;
+ bool haveNull = false;
+ bool forceTrue = false;
+
+ foreach(arg, args)
{
- newargs = lappend(newargs, lfirst(arg));
- continue;
+ if (!IsA(lfirst(arg), Const))
+ {
+ newargs = lappend(newargs, lfirst(arg));
+ continue;
+ }
+ const_input = (Const *) lfirst(arg);
+ if (const_input->constisnull)
+ haveNull = true;
+ else if (DatumGetInt32(const_input->constvalue))
+ forceTrue = true;
+ /* otherwise, we can drop the constant-false input */
}
- const_input = (Const *) lfirst(arg);
- if (const_input->constisnull)
- haveNull = true;
- else if (DatumGetInt32(const_input->constvalue))
- forceTrue = true;
- /* otherwise, we can drop the constant-false input */
+
+ /*
+ * We could return TRUE before falling out of the
+ * loop, but this coding method will be easier to
+ * adapt if we ever add a notion of non-removable
+ * functions. We'd need to check all the inputs for
+ * non-removability.
+ */
+ if (forceTrue)
+ return MAKEBOOLCONST(true, false);
+ if (haveNull)
+ newargs = lappend(newargs, MAKEBOOLCONST(false, true));
+ /* If all the inputs are FALSE, result is FALSE */
+ if (newargs == NIL)
+ return MAKEBOOLCONST(false, false);
+ /* If only one nonconst-or-NULL input, it's the result */
+ if (lnext(newargs) == NIL)
+ return (Node *) lfirst(newargs);
+ /* Else we still need an OR node */
+ return (Node *) make_orclause(newargs);
}
- /*
- * We could return TRUE before falling out of the loop,
- * but this coding method will be easier to adapt if
- * we ever add a notion of non-removable functions.
- * We'd need to check all the inputs for non-removability.
- */
- if (forceTrue)
- return MAKEBOOLCONST(true, false);
- if (haveNull)
- newargs = lappend(newargs, MAKEBOOLCONST(false, true));
- /* If all the inputs are FALSE, result is FALSE */
- if (newargs == NIL)
- return MAKEBOOLCONST(false, false);
- /* If only one nonconst-or-NULL input, it's the result */
- if (lnext(newargs) == NIL)
- return (Node *) lfirst(newargs);
- /* Else we still need an OR node */
- return (Node *) make_orclause(newargs);
- }
case AND_EXPR:
- {
- /*
- * AND arguments are handled as follows:
- * non constant: keep
- * TRUE: drop (does not affect result)
- * FALSE: force result to FALSE
- * NULL: keep only one
- * We keep one NULL input because ExecEvalAnd returns
- * NULL when no input is FALSE and at least one is NULL.
- */
- List *newargs = NIL;
- List *arg;
- bool haveNull = false;
- bool forceFalse = false;
-
- foreach(arg, args)
{
- if (! IsA(lfirst(arg), Const))
+
+ /*
+ * AND arguments are handled as follows: non constant:
+ * keep TRUE: drop (does not affect result) FALSE:
+ * force result to FALSE NULL: keep only one We keep
+ * one NULL input because ExecEvalAnd returns NULL
+ * when no input is FALSE and at least one is NULL.
+ */
+ List *newargs = NIL;
+ List *arg;
+ bool haveNull = false;
+ bool forceFalse = false;
+
+ foreach(arg, args)
{
- newargs = lappend(newargs, lfirst(arg));
- continue;
+ if (!IsA(lfirst(arg), Const))
+ {
+ newargs = lappend(newargs, lfirst(arg));
+ continue;
+ }
+ const_input = (Const *) lfirst(arg);
+ if (const_input->constisnull)
+ haveNull = true;
+ else if (!DatumGetInt32(const_input->constvalue))
+ forceFalse = true;
+ /* otherwise, we can drop the constant-true input */
}
- const_input = (Const *) lfirst(arg);
- if (const_input->constisnull)
- haveNull = true;
- else if (! DatumGetInt32(const_input->constvalue))
- forceFalse = true;
- /* otherwise, we can drop the constant-true input */
+
+ /*
+ * We could return FALSE before falling out of the
+ * loop, but this coding method will be easier to
+ * adapt if we ever add a notion of non-removable
+ * functions. We'd need to check all the inputs for
+ * non-removability.
+ */
+ if (forceFalse)
+ return MAKEBOOLCONST(false, false);
+ if (haveNull)
+ newargs = lappend(newargs, MAKEBOOLCONST(false, true));
+ /* If all the inputs are TRUE, result is TRUE */
+ if (newargs == NIL)
+ return MAKEBOOLCONST(true, false);
+ /* If only one nonconst-or-NULL input, it's the result */
+ if (lnext(newargs) == NIL)
+ return (Node *) lfirst(newargs);
+ /* Else we still need an AND node */
+ return (Node *) make_andclause(newargs);
}
- /*
- * We could return FALSE before falling out of the loop,
- * but this coding method will be easier to adapt if
- * we ever add a notion of non-removable functions.
- * We'd need to check all the inputs for non-removability.
- */
- if (forceFalse)
- return MAKEBOOLCONST(false, false);
- if (haveNull)
- newargs = lappend(newargs, MAKEBOOLCONST(false, true));
- /* If all the inputs are TRUE, result is TRUE */
- if (newargs == NIL)
- return MAKEBOOLCONST(true, false);
- /* If only one nonconst-or-NULL input, it's the result */
- if (lnext(newargs) == NIL)
- return (Node *) lfirst(newargs);
- /* Else we still need an AND node */
- return (Node *) make_andclause(newargs);
- }
case NOT_EXPR:
Assert(length(args) == 1);
- if (! IsA(lfirst(args), Const))
+ if (!IsA(lfirst(args), Const))
break;
const_input = (Const *) lfirst(args);
/* NOT NULL => NULL */
if (const_input->constisnull)
return MAKEBOOLCONST(false, true);
/* otherwise pretty easy */
- return MAKEBOOLCONST(! DatumGetInt32(const_input->constvalue),
+ return MAKEBOOLCONST(!DatumGetInt32(const_input->constvalue),
false);
case SUBPLAN_EXPR:
+
/*
* Safety measure per notes at head of this routine:
- * return a SubPlan unchanged. Too late to do anything
+ * return a SubPlan unchanged. Too late to do anything
* with it. The arglist simplification above was wasted
- * work (the list probably only contains Var nodes anyway).
+ * work (the list probably only contains Var nodes
+ * anyway).
*/
return (Node *) expr;
default:
/*
* If we break out of the above switch on opType, then the
- * expression cannot be simplified any further, so build
- * and return a replacement Expr node using the
- * possibly-simplified arguments and the original oper node.
- * Can't use make_clause() here because we want to be sure
- * the typeOid field is preserved...
+ * expression cannot be simplified any further, so build and
+ * return a replacement Expr node using the possibly-simplified
+ * arguments and the original oper node. Can't use make_clause()
+ * here because we want to be sure the typeOid field is
+ * preserved...
*/
newexpr = makeNode(Expr);
- newexpr->typeOid = expr->typeOid;
- newexpr->opType = expr->opType;
- newexpr->oper = expr->oper;
- newexpr->args = args;
- return (Node *) newexpr;
+ newexpr->typeOid = expr->typeOid;
+ newexpr->opType = expr->opType;
+ newexpr->oper = expr->oper;
+ newexpr->args = args;
+ return (Node *) newexpr;
}
if (IsA(node, RelabelType))
{
+
/*
* If we can simplify the input to a constant, then we don't need
- * the RelabelType node anymore: just change the type field of
- * the Const node. Otherwise, copy the RelabelType node.
+ * the RelabelType node anymore: just change the type field of the
+ * Const node. Otherwise, copy the RelabelType node.
*/
RelabelType *relabel = (RelabelType *) node;
Node *arg;
arg = eval_const_expressions_mutator(relabel->arg, context);
if (arg && IsA(arg, Const))
{
- Const *con = (Const *) arg;
+ Const *con = (Const *) arg;
con->consttype = relabel->resulttype;
+
/*
* relabel's resulttypmod is discarded, which is OK for now;
* if the type actually needs a runtime length coercion then
- * there should be a function call to do it just above this node.
+ * there should be a function call to do it just above this
+ * node.
*/
return (Node *) con;
}
}
if (IsA(node, CaseExpr))
{
+
/*
- * CASE expressions can be simplified if there are constant condition
- * clauses:
- * FALSE (or NULL): drop the alternative
- * TRUE: drop all remaining alternatives
- * If the first non-FALSE alternative is a constant TRUE, we can
- * simplify the entire CASE to that alternative's expression.
- * If there are no non-FALSE alternatives, we simplify the entire
- * CASE to the default result (ELSE result).
+ * CASE expressions can be simplified if there are constant
+ * condition clauses: FALSE (or NULL): drop the alternative TRUE:
+ * drop all remaining alternatives If the first non-FALSE
+ * alternative is a constant TRUE, we can simplify the entire CASE
+ * to that alternative's expression. If there are no non-FALSE
+ * alternatives, we simplify the entire CASE to the default result
+ * (ELSE result).
*/
CaseExpr *caseexpr = (CaseExpr *) node;
CaseExpr *newcase;
{
/* Simplify this alternative's condition and result */
CaseWhen *casewhen = (CaseWhen *)
- expression_tree_mutator((Node *) lfirst(arg),
- eval_const_expressions_mutator,
- (void *) context);
+ expression_tree_mutator((Node *) lfirst(arg),
+ eval_const_expressions_mutator,
+ (void *) context);
+
Assert(IsA(casewhen, CaseWhen));
if (casewhen->expr == NULL ||
- ! IsA(casewhen->expr, Const))
+ !IsA(casewhen->expr, Const))
{
newargs = lappend(newargs, casewhen);
continue;
}
const_input = (Const *) casewhen->expr;
if (const_input->constisnull ||
- ! DatumGetInt32(const_input->constvalue))
+ !DatumGetInt32(const_input->constvalue))
continue; /* drop alternative with FALSE condition */
+
/*
- * Found a TRUE condition. If it's the first (un-dropped)
+ * Found a TRUE condition. If it's the first (un-dropped)
* alternative, the CASE reduces to just this alternative.
*/
if (newargs == NIL)
return casewhen->result;
+
/*
* Otherwise, add it to the list, and drop all the rest.
*/
/* Simplify the default result */
defresult = eval_const_expressions_mutator(caseexpr->defresult,
context);
- /* If no non-FALSE alternatives, CASE reduces to the default result */
+
+ /*
+ * If no non-FALSE alternatives, CASE reduces to the default
+ * result
+ */
if (newargs == NIL)
return defresult;
/* Otherwise we need a new CASE node */
}
if (IsA(node, Iter))
{
+
/*
- * The argument of an Iter is normally a function call.
- * We must not try to eliminate the function, but we
- * can try to simplify its arguments. If, by chance,
- * the arg is NOT a function then we go ahead and try to
- * simplify it (by falling into expression_tree_mutator).
- * Is that the right thing?
+ * The argument of an Iter is normally a function call. We must
+ * not try to eliminate the function, but we can try to simplify
+ * its arguments. If, by chance, the arg is NOT a function then
+ * we go ahead and try to simplify it (by falling into
+ * expression_tree_mutator). Is that the right thing?
*/
Iter *iter = (Iter *) node;
if (is_funcclause(iter->iterexpr))
{
- Expr *func = (Expr *) iter->iterexpr;
- Expr *newfunc;
- Iter *newiter;
+ Expr *func = (Expr *) iter->iterexpr;
+ Expr *newfunc;
+ Iter *newiter;
newfunc = makeNode(Expr);
newfunc->typeOid = func->typeOid;
return (Node *) newiter;
}
}
+
/*
* For any node type not handled above, we recurse using
- * expression_tree_mutator, which will copy the node unchanged
- * but try to simplify its arguments (if any) using this routine.
- * For example: we cannot eliminate an ArrayRef node, but we
- * might be able to simplify constant expressions in its subscripts.
+ * expression_tree_mutator, which will copy the node unchanged but try
+ * to simplify its arguments (if any) using this routine. For example:
+ * we cannot eliminate an ArrayRef node, but we might be able to
+ * simplify constant expressions in its subscripts.
*/
return expression_tree_mutator(node, eval_const_expressions_mutator,
(void *) context);
HeapTuple func_tuple;
Form_pg_proc funcform;
Type resultType;
- Expr *newexpr;
+ Expr *newexpr;
Datum const_val;
bool const_is_null;
bool isDone;
/*
- * For an operator or function, we cannot simplify unless all the inputs
- * are constants. (XXX possible future improvement: if the op/func is
- * strict and at least one input is NULL, we could simplify to NULL.
- * But we do not currently have any way to know if the op/func is strict
- * or not. For now, a NULL input is treated the same as any other
- * constant node.)
+ * For an operator or function, we cannot simplify unless all the
+ * inputs are constants. (XXX possible future improvement: if the
+ * op/func is strict and at least one input is NULL, we could simplify
+ * to NULL. But we do not currently have any way to know if the
+ * op/func is strict or not. For now, a NULL input is treated the
+ * same as any other constant node.)
*/
foreach(arg, args)
{
- if (! IsA(lfirst(arg), Const))
+ if (!IsA(lfirst(arg), Const))
return NULL;
}
+
/*
- * Get the function procedure's OID and look to see
- * whether it is marked proiscachable.
+ * Get the function procedure's OID and look to see whether it is
+ * marked proiscachable.
*/
if (expr->opType == OP_EXPR)
{
- Oper *oper = (Oper *) expr->oper;
+ Oper *oper = (Oper *) expr->oper;
replace_opid(oper); /* OK to scribble on input to this extent */
funcid = oper->opid;
}
else
{
- Func *func = (Func *) expr->oper;
+ Func *func = (Func *) expr->oper;
funcid = func->funcid;
result_typeid = func->functype;
if (!HeapTupleIsValid(func_tuple))
elog(ERROR, "Function OID %u does not exist", funcid);
funcform = (Form_pg_proc) GETSTRUCT(func_tuple);
- if (! funcform->proiscachable)
+ if (!funcform->proiscachable)
return NULL;
+
/*
* Also check to make sure it doesn't return a set.
*/
if (funcform->proretset)
return NULL;
+
/*
* OK, looks like we can simplify this operator/function.
*
* We use the executor's routine ExecEvalExpr() to avoid duplication of
* code and ensure we get the same result as the executor would get.
*
- * Build a new Expr node containing the already-simplified arguments.
- * The only other setup needed here is the replace_opid() that we already
+ * Build a new Expr node containing the already-simplified arguments. The
+ * only other setup needed here is the replace_opid() that we already
* did for the OP_EXPR case.
*/
newexpr = makeNode(Expr);
newexpr->opType = expr->opType;
newexpr->oper = expr->oper;
newexpr->args = args;
+
/*
* It is OK to pass econtext = NULL because none of the ExecEvalExpr()
* code used in this situation will use econtext. That might seem
- * fortuitous, but it's not so unreasonable --- a constant expression does
- * not depend on context, by definition, n'est ce pas?
+ * fortuitous, but it's not so unreasonable --- a constant expression
+ * does not depend on context, by definition, n'est ce pas?
*/
const_val = ExecEvalExpr((Node *) newexpr, NULL,
&const_is_null, &isDone);
Assert(isDone); /* if this isn't set, we blew it... */
pfree(newexpr);
+
/*
* Make the constant result node.
*
- * XXX would it be better to take the result type from the
- * pg_proc tuple, rather than the Oper or Func node?
+ * XXX would it be better to take the result type from the pg_proc tuple,
+ * rather than the Oper or Func node?
*/
resultType = typeidType(result_typeid);
return (Expr *) makeConst(result_typeid, typeLen(resultType),
*
* The walker routine should return "false" to continue the tree walk, or
* "true" to abort the walk and immediately return "true" to the top-level
- * caller. This can be used to short-circuit the traversal if the walker
- * has found what it came for. "false" is returned to the top-level caller
+ * caller. This can be used to short-circuit the traversal if the walker
+ * has found what it came for. "false" is returned to the top-level caller
* iff no invocation of the walker returned "true".
*
* The node types handled by expression_tree_walker include all those
*/
bool
-expression_tree_walker(Node *node, bool (*walker) (), void *context)
+ expression_tree_walker(Node *node, bool (*walker) (), void *context)
{
List *temp;
/*
- * The walker has already visited the current node,
- * and so we need only recurse into any sub-nodes it has.
+ * The walker has already visited the current node, and so we need
+ * only recurse into any sub-nodes it has.
*
- * We assume that the walker is not interested in List nodes per se,
- * so when we expect a List we just recurse directly to self without
+ * We assume that the walker is not interested in List nodes per se, so
+ * when we expect a List we just recurse directly to self without
* bothering to call the walker.
*/
if (node == NULL)
break;
case T_Expr:
{
- Expr *expr = (Expr *) node;
+ Expr *expr = (Expr *) node;
if (expr->opType == SUBPLAN_EXPR)
{
case T_ArrayRef:
{
ArrayRef *aref = (ArrayRef *) node;
+
/* recurse directly for upper/lower array index lists */
if (expression_tree_walker((Node *) aref->refupperindexpr,
walker, context))
case T_CaseExpr:
{
CaseExpr *caseexpr = (CaseExpr *) node;
+
/* we assume walker doesn't care about CaseWhens, either */
foreach(temp, caseexpr->args)
{
CaseWhen *when = (CaseWhen *) lfirst(temp);
+
Assert(IsA(when, CaseWhen));
if (walker(when->expr, context))
return true;
break;
case T_SubLink:
{
- SubLink *sublink = (SubLink *) node;
+ SubLink *sublink = (SubLink *) node;
- /* If the SubLink has already been processed by subselect.c,
- * it will have lefthand=NIL, and we only need to look at
- * the oper list. Otherwise we only need to look at lefthand
- * (the Oper nodes in the oper list are deemed uninteresting).
+ /*
+ * If the SubLink has already been processed by
+ * subselect.c, it will have lefthand=NIL, and we only
+ * need to look at the oper list. Otherwise we only need
+ * to look at lefthand (the Oper nodes in the oper list
+ * are deemed uninteresting).
*/
if (sublink->lefthand)
return walker((Node *) sublink->lefthand, context);
*/
Node *
-expression_tree_mutator(Node *node, Node * (*mutator) (), void *context)
+ expression_tree_mutator(Node *node, Node *(*mutator) (), void *context)
{
+
/*
- * The mutator has already decided not to modify the current node,
- * but we must call the mutator for any sub-nodes.
+ * The mutator has already decided not to modify the current node, but
+ * we must call the mutator for any sub-nodes.
*/
#define FLATCOPY(newnode, node, nodetype) \
( (newnode) = makeNode(nodetype), \
memcpy((newnode), (node), sizeof(nodetype)) )
-#define CHECKFLATCOPY(newnode, node, nodetype) \
+#define CHECKFLATCOPY(newnode, node, nodetype) \
( AssertMacro(IsA((node), nodetype)), \
(newnode) = makeNode(nodetype), \
memcpy((newnode), (node), sizeof(nodetype)) )
return (Node *) copyObject(node);
case T_Expr:
{
- Expr *expr = (Expr *) node;
- Expr *newnode;
+ Expr *expr = (Expr *) node;
+ Expr *newnode;
FLATCOPY(newnode, expr, Expr);
if (expr->opType == SUBPLAN_EXPR)
{
- SubLink *oldsublink = ((SubPlan *) expr->oper)->sublink;
- SubPlan *newsubplan;
+ SubLink *oldsublink = ((SubPlan *) expr->oper)->sublink;
+ SubPlan *newsubplan;
/* flat-copy the oper node, which is a SubPlan */
CHECKFLATCOPY(newsubplan, expr->oper, SubPlan);
newnode->oper = (Node *) newsubplan;
/* likewise its SubLink node */
CHECKFLATCOPY(newsubplan->sublink, oldsublink, SubLink);
- /* transform args list (params to be passed to subplan) */
+
+ /*
+ * transform args list (params to be passed to
+ * subplan)
+ */
MUTATE(newnode->args, expr->args, List *);
/* transform sublink's oper list as well */
- MUTATE(newsubplan->sublink->oper, oldsublink->oper, List*);
- /* but not the subplan itself, which is referenced as-is */
+ MUTATE(newsubplan->sublink->oper, oldsublink->oper, List *);
+
+ /*
+ * but not the subplan itself, which is referenced
+ * as-is
+ */
}
else
{
- /* for other Expr node types, just transform args list,
- * linking to original oper node (OK?)
+
+ /*
+ * for other Expr node types, just transform args
+ * list, linking to original oper node (OK?)
*/
MUTATE(newnode->args, expr->args, List *);
}
break;
case T_Aggref:
{
- Aggref *aggref = (Aggref *) node;
- Aggref *newnode;
+ Aggref *aggref = (Aggref *) node;
+ Aggref *newnode;
FLATCOPY(newnode, aggref, Aggref);
MUTATE(newnode->target, aggref->target, Node *);
break;
case T_Iter:
{
- Iter *iter = (Iter *) node;
- Iter *newnode;
+ Iter *iter = (Iter *) node;
+ Iter *newnode;
FLATCOPY(newnode, iter, Iter);
MUTATE(newnode->iterexpr, iter->iterexpr, Node *);
break;
case T_SubLink:
{
- /* A "bare" SubLink (note we will not come here if we found
- * a SUBPLAN_EXPR node above it). Transform the lefthand side,
- * but not the oper list nor the subquery.
+
+ /*
+ * A "bare" SubLink (note we will not come here if we
+ * found a SUBPLAN_EXPR node above it). Transform the
+ * lefthand side, but not the oper list nor the subquery.
*/
- SubLink *sublink = (SubLink *) node;
- SubLink *newnode;
+ SubLink *sublink = (SubLink *) node;
+ SubLink *newnode;
FLATCOPY(newnode, sublink, SubLink);
MUTATE(newnode->lefthand, sublink->lefthand, List *);
break;
case T_List:
{
- /* We assume the mutator isn't interested in the list nodes
- * per se, so just invoke it on each list element.
- * NOTE: this would fail badly on a list with integer elements!
+
+ /*
+ * We assume the mutator isn't interested in the list
+ * nodes per se, so just invoke it on each list element.
+ * NOTE: this would fail badly on a list with integer
+ * elements!
*/
List *resultlist = NIL;
List *temp;
break;
case T_TargetEntry:
{
- /* We mutate the expression, but not the resdom, by default. */
- TargetEntry *targetentry = (TargetEntry *) node;
- TargetEntry *newnode;
+
+ /*
+ * We mutate the expression, but not the resdom, by
+ * default.
+ */
+ TargetEntry *targetentry = (TargetEntry *) node;
+ TargetEntry *newnode;
FLATCOPY(newnode, targetentry, TargetEntry);
MUTATE(newnode->expr, targetentry->expr, Node *);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/util/pathnode.c,v 1.62 2000/03/22 22:08:35 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/util/pathnode.c,v 1.63 2000/04/12 17:15:24 momjian Exp $
*
*-------------------------------------------------------------------------
*/
return -1;
if (path1->startup_cost > path2->startup_cost)
return +1;
+
/*
* If paths have the same startup cost (not at all unlikely),
* order them by total cost.
return -1;
if (path1->total_cost > path2->total_cost)
return +1;
+
/*
* If paths have the same total cost, order them by startup cost.
*/
void
add_path(RelOptInfo *parent_rel, Path *new_path)
{
- bool accept_new = true; /* unless we find a superior old path */
+ bool accept_new = true; /* unless we find a superior old
+ * path */
List *p1_prev = NIL;
List *p1;
foreach(p1, parent_rel->pathlist)
{
Path *old_path = (Path *) lfirst(p1);
- bool remove_old = false; /* unless new proves superior */
+ bool remove_old = false; /* unless new proves superior */
int costcmp;
costcmp = compare_path_costs(new_path, old_path, TOTAL_COST);
+
/*
- * If the two paths compare differently for startup and total cost,
- * then we want to keep both, and we can skip the (much slower)
- * comparison of pathkeys. If they compare the same, proceed with
- * the pathkeys comparison. Note this test relies on the fact that
- * compare_path_costs will only return 0 if both costs are equal
- * (and, therefore, there's no need to call it twice in that case).
+ * If the two paths compare differently for startup and total
+ * cost, then we want to keep both, and we can skip the (much
+ * slower) comparison of pathkeys. If they compare the same,
+ * proceed with the pathkeys comparison. Note this test relies on
+ * the fact that compare_path_costs will only return 0 if both
+ * costs are equal (and, therefore, there's no need to call it
+ * twice in that case).
*/
if (costcmp == 0 ||
- costcmp == compare_path_costs(new_path, old_path, STARTUP_COST))
+ costcmp == compare_path_costs(new_path, old_path, STARTUP_COST))
{
switch (compare_pathkeys(new_path->pathkeys, old_path->pathkeys))
{
case PATHKEYS_EQUAL:
if (costcmp < 0)
- remove_old = true; /* new dominates old */
+ remove_old = true; /* new dominates old */
else
- accept_new = false; /* old equals or dominates new */
+ accept_new = false; /* old equals or dominates
+ * new */
break;
case PATHKEYS_BETTER1:
if (costcmp <= 0)
- remove_old = true; /* new dominates old */
+ remove_old = true; /* new dominates old */
break;
case PATHKEYS_BETTER2:
if (costcmp >= 0)
- accept_new = false; /* old dominates new */
+ accept_new = false; /* old dominates new */
break;
case PATHKEYS_DIFFERENT:
/* keep both paths, since they have different ordering */
* scanning the pathlist; we will not add new_path, and we assume
* new_path cannot dominate any other elements of the pathlist.
*/
- if (! accept_new)
+ if (!accept_new)
break;
}
if (pathnode->path.pathkeys == NIL)
{
/* No ordering available from index, is that OK? */
- if (! ScanDirectionIsNoMovement(indexscandir))
+ if (!ScanDirectionIsNoMovement(indexscandir))
elog(ERROR, "create_index_path: failed to create ordered index scan");
}
else
{
- /* The index is ordered, and build_index_pathkeys defaulted to
+
+ /*
+ * The index is ordered, and build_index_pathkeys defaulted to
* forward scan, so make sure we mark the pathnode properly.
*/
if (ScanDirectionIsNoMovement(indexscandir))
pathnode->indexscandir = indexscandir;
/*
- * This routine is only used to generate "standalone" indexpaths,
- * not nestloop inner indexpaths. So joinrelids is always NIL
- * and the number of rows is the same as the parent rel's estimate.
+ * This routine is only used to generate "standalone" indexpaths, not
+ * nestloop inner indexpaths. So joinrelids is always NIL and the
+ * number of rows is the same as the parent rel's estimate.
*/
- pathnode->joinrelids = NIL; /* no join clauses here */
+ pathnode->joinrelids = NIL; /* no join clauses here */
pathnode->rows = rel->rows;
cost_index(&pathnode->path, root, rel, index, indexquals, false);
* pathnode.
*
*/
-TidPath *
+TidPath *
create_tidscan_path(RelOptInfo *rel, List *tideval)
{
- TidPath *pathnode = makeNode(TidPath);
+ TidPath *pathnode = makeNode(TidPath);
pathnode->path.pathtype = T_TidScan;
pathnode->path.parent = rel;
pathnode->path.pathkeys = NIL;
- pathnode->tideval = copyObject(tideval); /* is copy really necessary? */
+ pathnode->tideval = copyObject(tideval); /* is copy really
+ * necessary? */
pathnode->unjoined_relids = NIL;
cost_tidscan(&pathnode->path, rel, tideval);
- /* divide selectivity for each clause to get an equal selectivity
- * as IndexScan does OK ?
+
+ /*
+ * divide selectivity for each clause to get an equal selectivity as
+ * IndexScan does OK ?
*/
return pathnode;
* 'innerdisbursion' is an estimate of the disbursion of the inner hash key
*
*/
-HashPath *
+HashPath *
create_hashjoin_path(RelOptInfo *joinrel,
Path *outer_path,
Path *inner_path,
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/util/plancat.c,v 1.49 2000/02/18 09:30:09 inoue Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/util/plancat.c,v 1.50 2000/04/12 17:15:24 momjian Exp $
*
*-------------------------------------------------------------------------
*/
Form_pg_class relation;
relationTuple = SearchSysCacheTuple(RELOID,
- ObjectIdGetDatum(relationObjectId),
+ ObjectIdGetDatum(relationObjectId),
0, 0, 0);
if (!HeapTupleIsValid(relationTuple))
elog(ERROR, "relation_info: Relation %u not found",
Oid indrelid = getrelid(relid, root->rtable);
Relation relation;
HeapScanDesc scan;
- ScanKeyData indexKey;
+ ScanKeyData indexKey;
HeapTuple indexTuple;
/* Scan pg_index for tuples describing indexes of this rel */
while (HeapTupleIsValid(indexTuple = heap_getnext(scan, 0)))
{
- Form_pg_index index = (Form_pg_index) GETSTRUCT(indexTuple);
- IndexOptInfo *info = makeNode(IndexOptInfo);
- int i;
- Relation indexRelation;
- Oid relam;
- uint16 amorderstrategy;
+ Form_pg_index index = (Form_pg_index) GETSTRUCT(indexTuple);
+ IndexOptInfo *info = makeNode(IndexOptInfo);
+ int i;
+ Relation indexRelation;
+ Oid relam;
+ uint16 amorderstrategy;
/*
* Need to make these arrays large enough to be sure there is a
* terminating 0 at the end of each one.
*/
- info->classlist = (Oid *) palloc(sizeof(Oid) * (INDEX_MAX_KEYS+1));
- info->indexkeys = (int *) palloc(sizeof(int) * (INDEX_MAX_KEYS+1));
- info->ordering = (Oid *) palloc(sizeof(Oid) * (INDEX_MAX_KEYS+1));
+ info->classlist = (Oid *) palloc(sizeof(Oid) * (INDEX_MAX_KEYS + 1));
+ info->indexkeys = (int *) palloc(sizeof(int) * (INDEX_MAX_KEYS + 1));
+ info->ordering = (Oid *) palloc(sizeof(Oid) * (INDEX_MAX_KEYS + 1));
/* Extract info from the pg_index tuple */
info->indexoid = index->indexrelid;
- info->indproc = index->indproc; /* functional index ?? */
- if (VARSIZE(&index->indpred) != 0) /* partial index ?? */
+ info->indproc = index->indproc; /* functional index ?? */
+ if (VARSIZE(&index->indpred) != 0) /* partial index ?? */
{
char *predString = fmgr(F_TEXTOUT, &index->indpred);
+
info->indpred = (List *) stringToNode(predString);
pfree(predString);
}
index_close(indexRelation);
/*
- * Fetch the ordering operators associated with the index,
- * if any.
+ * Fetch the ordering operators associated with the index, if any.
*/
- MemSet(info->ordering, 0, sizeof(Oid) * (INDEX_MAX_KEYS+1));
+ MemSet(info->ordering, 0, sizeof(Oid) * (INDEX_MAX_KEYS + 1));
if (amorderstrategy != 0)
{
for (i = 0; i < INDEX_MAX_KEYS && index->indclass[i]; i++)
{
- HeapTuple amopTuple;
- Form_pg_amop amop;
+ HeapTuple amopTuple;
+ Form_pg_amop amop;
amopTuple =
SearchSysCacheTuple(AMOPSTRATEGY,
ObjectIdGetDatum(relam),
- ObjectIdGetDatum(index->indclass[i]),
+ ObjectIdGetDatum(index->indclass[i]),
UInt16GetDatum(amorderstrategy),
0);
if (!HeapTupleIsValid(amopTuple))
elog(ERROR, "find_secondary_indexes: no amop %u %u %d",
- relam, index->indclass[i], (int) amorderstrategy);
+ relam, index->indclass[i], (int) amorderstrategy);
amop = (Form_pg_amop) GETSTRUCT(amopTuple);
info->ordering[i] = amop->amopopr;
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/util/relnode.c,v 1.25 2000/02/18 23:47:31 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/util/relnode.c,v 1.26 2000/04/12 17:15:24 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static List *new_join_tlist(List *tlist, int first_resdomno);
static List *build_joinrel_restrictlist(RelOptInfo *joinrel,
- RelOptInfo *outer_rel,
- RelOptInfo *inner_rel);
+ RelOptInfo *outer_rel,
+ RelOptInfo *inner_rel);
static void build_joinrel_joinlist(RelOptInfo *joinrel,
- RelOptInfo *outer_rel,
- RelOptInfo *inner_rel);
+ RelOptInfo *outer_rel,
+ RelOptInfo *inner_rel);
static List *subbuild_joinrel_restrictlist(RelOptInfo *joinrel,
- List *joininfo_list);
+ List *joininfo_list);
static void subbuild_joinrel_joinlist(RelOptInfo *joinrel,
- List *joininfo_list);
+ List *joininfo_list);
/*
{
rel = (RelOptInfo *) lfirst(baserels);
- /* We know length(rel->relids) == 1 for all members of base_rel_list */
+ /*
+ * We know length(rel->relids) == 1 for all members of
+ * base_rel_list
+ */
if (lfirsti(rel->relids) == relid)
return rel;
}
if (relid < 0)
{
+
/*
- * If the relation is a materialized relation, assume
- * constants for sizes.
+ * If the relation is a materialized relation, assume constants
+ * for sizes.
*/
rel->pages = _NONAME_RELATION_PAGES_;
rel->tuples = _NONAME_RELATION_TUPLES_;
}
else
{
+
/*
- * Otherwise, retrieve relation statistics from the
- * system catalogs.
+ * Otherwise, retrieve relation statistics from the system
+ * catalogs.
*/
relation_info(root, relid,
&rel->indexed, &rel->pages, &rel->tuples);
if (joinrel)
{
+
/*
* Yes, so we only need to figure the restrictlist for this
* particular pair of component relations.
* of the outer and inner join relations and then merging the results
* together.
*
- * NOTE: the tlist order for a join rel will depend on which pair
- * of outer and inner rels we first try to build it from. But the
+ * NOTE: the tlist order for a join rel will depend on which pair of
+ * outer and inner rels we first try to build it from. But the
* contents should be the same regardless.
*
- * XXX someday: consider pruning vars from the join's targetlist
- * if they are needed only to evaluate restriction clauses of this
- * join, and will never be accessed at higher levels of the plantree.
+ * XXX someday: consider pruning vars from the join's targetlist if they
+ * are needed only to evaluate restriction clauses of this join, and
+ * will never be accessed at higher levels of the plantree.
*/
new_outer_tlist = new_join_tlist(outer_rel->targetlist, 1);
new_inner_tlist = new_join_tlist(inner_rel->targetlist,
joinrel->targetlist = nconc(new_outer_tlist, new_inner_tlist);
/*
- * Construct restrict and join clause lists for the new joinrel.
- * (The caller might or might not need the restrictlist, but
- * I need it anyway for set_joinrel_size_estimates().)
+ * Construct restrict and join clause lists for the new joinrel. (The
+ * caller might or might not need the restrictlist, but I need it
+ * anyway for set_joinrel_size_estimates().)
*/
restrictlist = build_joinrel_restrictlist(joinrel, outer_rel, inner_rel);
if (restrictlist_ptr)
*
* XXX the above comment refers to code that is long dead and gone;
* we don't keep track of joinlists for individual targetlist entries
- * anymore. For now, all vars present in either input tlist will be
+ * anymore. For now, all vars present in either input tlist will be
* emitted in the join's tlist.
*
* 'tlist' is the target list of one of the join relations
* the join lists need only be computed once for any join RelOptInfo.
* The join lists are fully determined by the set of rels making up the
* joinrel, so we should get the same results (up to ordering) from any
- * candidate pair of sub-relations. But the restriction list is whatever
+ * candidate pair of sub-relations. But the restriction list is whatever
* is not handled in the sub-relations, so it depends on which
* sub-relations are considered.
*
* If a join clause from an input relation refers to base rels still not
* present in the joinrel, then it is still a join clause for the joinrel;
- * we put it into an appropriate JoinInfo list for the joinrel. Otherwise,
+ * we put it into an appropriate JoinInfo list for the joinrel. Otherwise,
* the clause is now a restrict clause for the joined relation, and we
* return it to the caller of build_joinrel_restrictlist() to be stored in
- * join paths made from this pair of sub-relations. (It will not need to
+ * join paths made from this pair of sub-relations. (It will not need to
* be considered further up the join tree.)
*
* 'joinrel' is a join relation node
*
* build_joinrel_restrictlist() returns a list of relevant restrictinfos,
* whereas build_joinrel_joinlist() stores its results in the joinrel's
- * joininfo lists. One or the other must accept each given clause!
+ * joininfo lists. One or the other must accept each given clause!
*
* NB: Formerly, we made deep(!) copies of each input RestrictInfo to pass
* up to the join relation. I believe this is no longer necessary, because
- * RestrictInfo nodes are no longer context-dependent. Instead, just include
+ * RestrictInfo nodes are no longer context-dependent. Instead, just include
* the original nodes in the lists made for the join relation.
*/
static List *
RelOptInfo *outer_rel,
RelOptInfo *inner_rel)
{
+
/*
- * We must eliminate duplicates, since we will see the
- * same clauses arriving from both input relations...
+ * We must eliminate duplicates, since we will see the same clauses
+ * arriving from both input relations...
*/
return LispUnion(subbuild_joinrel_restrictlist(joinrel,
outer_rel->joininfo),
if (is_subseti(joininfo->unjoined_relids, joinrel->relids))
{
+
/*
* Clauses in this JoinInfo list become restriction clauses
* for the joinrel, since they refer to no outside rels.
}
else
{
+
/*
- * These clauses are still join clauses at this level,
- * so we ignore them in this routine.
+ * These clauses are still join clauses at this level, so we
+ * ignore them in this routine.
*/
}
}
joinrel->relids);
if (new_unjoined_relids == NIL)
{
+
/*
* Clauses in this JoinInfo list become restriction clauses
- * for the joinrel, since they refer to no outside rels.
- * So we can ignore them in this routine.
+ * for the joinrel, since they refer to no outside rels. So we
+ * can ignore them in this routine.
*/
}
else
{
+
/*
- * These clauses are still join clauses at this level,
- * so find or make the appropriate JoinInfo item for the joinrel,
- * and add the clauses to it (eliminating duplicates).
+ * These clauses are still join clauses at this level, so find
+ * or make the appropriate JoinInfo item for the joinrel, and
+ * add the clauses to it (eliminating duplicates).
*/
JoinInfo *new_joininfo;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/util/tlist.c,v 1.43 2000/01/27 18:11:34 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/util/tlist.c,v 1.44 2000/04/12 17:15:24 momjian Exp $
*
*-------------------------------------------------------------------------
*/
/*
* tlistentry_member
* Finds the (first) member of the given tlist whose expression is
- * equal() to the given expression. Result is NULL if no such member.
+ * equal() to the given expression. Result is NULL if no such member.
*/
TargetEntry *
tlistentry_member(Node *node, List *targetlist)
foreach(temp, targetlist)
{
- TargetEntry *tlentry = (TargetEntry *) lfirst(temp);
+ TargetEntry *tlentry = (TargetEntry *) lfirst(temp);
if (equal(node, tlentry->expr))
return tlentry;
void
add_var_to_tlist(RelOptInfo *rel, Var *var)
{
- if (! tlistentry_member((Node *) var, rel->targetlist))
+ if (!tlistentry_member((Node *) var, rel->targetlist))
{
/* XXX is copyObject necessary here? */
rel->targetlist = lappend(rel->targetlist,
- create_tl_element((Var *) copyObject(var),
- length(rel->targetlist) + 1));
+ create_tl_element((Var *) copyObject(var),
+ length(rel->targetlist) + 1));
}
}
{
Var *var = lfirst(v);
- if (! tlistentry_member((Node *) var, tlist))
+ if (!tlistentry_member((Node *) var, tlist))
{
Resdom *r;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/util/var.c,v 1.25 2000/01/26 05:56:40 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/util/var.c,v 1.26 2000/04/12 17:15:24 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "optimizer/var.h"
-typedef struct {
+typedef struct
+{
List *varlist;
bool includeUpperVars;
} pull_var_clause_context;
static bool pull_varnos_walker(Node *node, List **listptr);
static bool contain_var_clause_walker(Node *node, void *context);
static bool pull_var_clause_walker(Node *node,
- pull_var_clause_context *context);
+ pull_var_clause_context *context);
/*
return false;
if (IsA(node, Var))
{
- Var *var = (Var *) node;
+ Var *var = (Var *) node;
+
if (var->varlevelsup == 0 && !intMember(var->varno, *listptr))
*listptr = lconsi(var->varno, *listptr);
return false;
if (IsA(node, Var))
{
if (((Var *) node)->varlevelsup == 0)
- return true; /* abort the tree traversal and return true */
+ return true; /* abort the tree traversal and return
+ * true */
return false;
}
return expression_tree_walker(node, contain_var_clause_walker, context);
* Recursively pulls all var nodes from an expression clause.
*
* Upper-level vars (with varlevelsup > 0) are included only
- * if includeUpperVars is true. Most callers probably want
+ * if includeUpperVars is true. Most callers probably want
* to ignore upper-level vars.
*
* Returns list of varnodes found. Note the varnodes themselves are not
List *
pull_var_clause(Node *clause, bool includeUpperVars)
{
- pull_var_clause_context context;
+ pull_var_clause_context context;
context.varlist = NIL;
context.includeUpperVars = includeUpperVars;
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: analyze.c,v 1.141 2000/03/24 23:34:19 tgl Exp $
+ * $Id: analyze.c,v 1.142 2000/04/12 17:15:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "utils/builtins.h"
#include "utils/numeric.h"
-void CheckSelectForUpdate(Query *qry); /* no points for style... */
+void CheckSelectForUpdate(Query *qry); /* no points for style... */
static Query *transformStmt(ParseState *pstate, Node *stmt);
static Query *transformDeleteStmt(ParseState *pstate, DeleteStmt *stmt);
static void transformColumnType(ParseState *pstate, ColumnDef *column);
/* kluge to return extra info from transformCreateStmt() */
-static List *extras_before;
-static List *extras_after;
+static List *extras_before;
+static List *extras_after;
/*
while (extras_before != NIL)
{
result = lappend(result,
- transformStmt(pstate, lfirst(extras_before)));
+ transformStmt(pstate, lfirst(extras_before)));
if (pstate->p_target_relation != NULL)
heap_close(pstate->p_target_relation, AccessShareLock);
pstate->p_target_relation = NULL;
n->query = (Query *) transformStmt(pstate, (Node *) n->query);
- /* If a list of column names was given, run through and insert these
- * into the actual query tree. - thomas 2000-03-08
+ /*
+ * If a list of column names was given, run through and
+ * insert these into the actual query tree. - thomas
+ * 2000-03-08
*/
if (n->aliases != NIL)
{
- int i;
- List *targetList = n->query->targetList;
+ int i;
+ List *targetList = n->query->targetList;
if (length(targetList) < length(n->aliases))
elog(ERROR, "CREATE VIEW specifies %d columns"
for (i = 0; i < length(n->aliases); i++)
{
- Ident *id;
+ Ident *id;
TargetEntry *te;
- Resdom *rd;
+ Resdom *rd;
+
id = nth(i, n->aliases);
Assert(nodeTag(id) == T_Ident);
te = nth(i, targetList);
break;
case T_AlterTableStmt:
- {
- result = transformAlterTableStmt(pstate, (AlterTableStmt *) parseTree);
- }
+ result = transformAlterTableStmt(pstate, (AlterTableStmt *) parseTree);
break;
/*------------------------
* It is important that we finish processing all the SELECT subclauses
* before we start doing any INSERT-specific processing; otherwise
* the behavior of SELECT within INSERT might be different from a
- * stand-alone SELECT. (Indeed, Postgres up through 6.5 had bugs of
+ * stand-alone SELECT. (Indeed, Postgres up through 6.5 had bugs of
* just that nature...)
*----------
*/
qry->qual = transformWhereClause(pstate, stmt->whereClause);
- /* Initial processing of HAVING clause is just like WHERE clause.
+ /*
+ * Initial processing of HAVING clause is just like WHERE clause.
* Additional work will be done in optimizer/plan/planner.c.
*/
qry->havingQual = transformWhereClause(pstate, stmt->havingClause);
qry->distinctClause = transformDistinctClause(pstate,
stmt->distinctClause,
qry->targetList,
- & qry->sortClause);
+ &qry->sortClause);
qry->hasSubLinks = pstate->p_hasSubLinks;
qry->hasAggs = pstate->p_hasAggs;
if (resnode->resjunk)
{
- /* Resjunk nodes need no additional processing, but be sure they
- * have names and resnos that do not match any target columns;
- * else rewriter or planner might get confused.
+
+ /*
+ * Resjunk nodes need no additional processing, but be sure
+ * they have names and resnos that do not match any target
+ * columns; else rewriter or planner might get confused.
*/
resnode->resname = "?resjunk?";
resnode->resno = (AttrNumber) pstate->p_last_resno++;
/*
* It is possible that the targetlist has fewer entries than were in
* the columns list. We do not consider this an error (perhaps we
- * should, if the columns list was explictly given?). We must truncate
- * the attrnos list to only include the attrs actually provided,
- * else we will fail to apply defaults for them below.
+ * should, if the columns list was explictly given?). We must
+ * truncate the attrnos list to only include the attrs actually
+ * provided, else we will fail to apply defaults for them below.
*/
if (icolumns != NIL)
attrnos = ltruncate(numuseratts, attrnos);
* Add targetlist items to assign DEFAULT values to any columns that
* have defaults and were not assigned to by the user.
*
- * XXX wouldn't it make more sense to do this further downstream,
- * after the rule rewriter?
+ * XXX wouldn't it make more sense to do this further downstream, after
+ * the rule rewriter?
*/
rd_att = pstate->p_target_relation->rd_att;
if (rd_att->constr && rd_att->constr->num_defval > 0)
while (--ndef >= 0)
{
- AttrNumber attrno = defval[ndef].adnum;
+ AttrNumber attrno = defval[ndef].adnum;
Form_pg_attribute thisatt = att[attrno - 1];
- TargetEntry *te;
+ TargetEntry *te;
if (intMember((int) attrno, attrnos))
continue; /* there was a user-specified value */
+
/*
- * No user-supplied value, so add a targetentry with DEFAULT expr
- * and correct data for the target column.
+ * No user-supplied value, so add a targetentry with DEFAULT
+ * expr and correct data for the target column.
*/
te = makeTargetEntry(
- makeResdom(attrno,
- thisatt->atttypid,
- thisatt->atttypmod,
- pstrdup(NameStr(thisatt->attname)),
- 0, 0, false),
- stringToNode(defval[ndef].adbin));
+ makeResdom(attrno,
+ thisatt->atttypid,
+ thisatt->atttypmod,
+ pstrdup(NameStr(thisatt->attname)),
+ 0, 0, false),
+ stringToNode(defval[ndef].adbin));
qry->targetList = lappend(qry->targetList, te);
+
/*
* Make sure the value is coerced to the target column type
* (might not be right type if it's not a constant!)
* Create a name for an implicitly created index, sequence, constraint, etc.
*
* The parameters are: the original table name, the original field name, and
- * a "type" string (such as "seq" or "pkey"). The field name and/or type
+ * a "type" string (such as "seq" or "pkey"). The field name and/or type
* can be NULL if not relevant.
*
* The result is a palloc'd string.
* The basic result we want is "name1_name2_type", omitting "_name2" or
* "_type" when those parameters are NULL. However, we must generate
* a name with less than NAMEDATALEN characters! So, we truncate one or
- * both names if necessary to make a short-enough string. The type part
+ * both names if necessary to make a short-enough string. The type part
* is never truncated (so it had better be reasonably short).
*
* To reduce the probability of collisions, we might someday add more
* smarts to this routine, like including some "hash" characters computed
- * from the truncated characters. Currently it seems best to keep it simple,
+ * from the truncated characters. Currently it seems best to keep it simple,
* so that the generated names are easily predictable by a person.
*/
static char *
if (typename)
overhead += strlen(typename) + 1;
- availchars = NAMEDATALEN-1 - overhead;
+ availchars = NAMEDATALEN - 1 - overhead;
- /* If we must truncate, preferentially truncate the longer name.
- * This logic could be expressed without a loop, but it's simple and
+ /*
+ * If we must truncate, preferentially truncate the longer name. This
+ * logic could be expressed without a loop, but it's simple and
* obvious as a loop.
*/
while (name1chars + name2chars > availchars)
if (name2)
{
name[ndx++] = '_';
- strncpy(name+ndx, name2, name2chars);
+ strncpy(name + ndx, name2, name2chars);
ndx += name2chars;
}
if (typename)
{
name[ndx++] = '_';
- strcpy(name+ndx, typename);
+ strcpy(name + ndx, typename);
}
else
name[ndx] = '\0';
List *ilist;
char typename[NAMEDATALEN];
- /* The type name for makeObjectName is label, or labelN if that's
+ /*
+ * The type name for makeObjectName is label, or labelN if that's
* necessary to prevent collisions among multiple indexes for the same
* table. Note there is no check for collisions with already-existing
* indexes; this ought to be rethought someday.
foreach(ilist, indices)
{
IndexStmt *index = lfirst(ilist);
+
if (strcmp(iname, index->idxname) == 0)
break;
}
static Query *
transformCreateStmt(ParseState *pstate, CreateStmt *stmt)
{
- Query *q;
- List *elements;
- Node *element;
- List *columns;
- List *dlist;
- ColumnDef *column;
- List *constraints,
- *clist;
- Constraint *constraint;
- List *fkconstraints, /* List of FOREIGN KEY constraints to */
- *fkclist; /* add finally */
- FkConstraint *fkconstraint;
- List *keys;
- Ident *key;
- List *blist = NIL; /* "before list" of things to do before
- * creating the table */
- List *ilist = NIL; /* "index list" of things to do after
- * creating the table */
- IndexStmt *index,
- *pkey = NULL;
- IndexElem *iparam;
- bool saw_nullable;
+ Query *q;
+ List *elements;
+ Node *element;
+ List *columns;
+ List *dlist;
+ ColumnDef *column;
+ List *constraints,
+ *clist;
+ Constraint *constraint;
+ List *fkconstraints, /* List of FOREIGN KEY constraints to */
+ *fkclist; /* add finally */
+ FkConstraint *fkconstraint;
+ List *keys;
+ Ident *key;
+ List *blist = NIL; /* "before list" of things to do before
+ * creating the table */
+ List *ilist = NIL; /* "index list" of things to do after
+ * creating the table */
+ IndexStmt *index,
+ *pkey = NULL;
+ IndexElem *iparam;
+ bool saw_nullable;
q = makeNode(Query);
q->commandType = CMD_UTILITY;
{
char *sname;
char *qstring;
- A_Const *snamenode;
+ A_Const *snamenode;
FuncCall *funccallnode;
CreateSeqStmt *sequence;
/*
- * Create appropriate constraints for SERIAL. We do this
- * in full, rather than shortcutting, so that we will
- * detect any conflicting constraints the user wrote
- * (like a different DEFAULT).
+ * Create appropriate constraints for SERIAL. We do
+ * this in full, rather than shortcutting, so that we
+ * will detect any conflicting constraints the user
+ * wrote (like a different DEFAULT).
*/
sname = makeObjectName(stmt->relname, column->colname,
"seq");
+
/*
* Create an expression tree representing the function
* call nextval('"sequencename"')
sequence->options = NIL;
elog(NOTICE, "CREATE TABLE will create implicit sequence '%s' for SERIAL column '%s.%s'",
- sequence->seqname, stmt->relname, column->colname);
+ sequence->seqname, stmt->relname, column->colname);
blist = lcons(sequence, NIL);
}
*/
if (IsA(constraint, FkConstraint))
{
- Ident *id = makeNode(Ident);
- id->name = column->colname;
- id->indirection = NIL;
- id->isRel = false;
+ Ident *id = makeNode(Ident);
+
+ id->name = column->colname;
+ id->indirection = NIL;
+ id->isRel = false;
- fkconstraint = (FkConstraint *)constraint;
+ fkconstraint = (FkConstraint *) constraint;
fkconstraint->fk_attrs = lappend(NIL, id);
fkconstraints = lappend(fkconstraints, constraint);
break;
case CONSTR_NOTNULL:
- if (saw_nullable && ! column->is_not_null)
+ if (saw_nullable && !column->is_not_null)
elog(ERROR, "CREATE TABLE/(NOT) NULL conflicting declaration"
" for '%s.%s'", stmt->relname, column->colname);
column->is_not_null = TRUE;
if (strcmp(column->colname, key->name) == 0)
break;
}
- if (columns == NIL) /* fell off end of list? */
+ if (columns == NIL) /* fell off end of list? */
elog(ERROR, "CREATE TABLE: column '%s' named in key does not exist",
key->name);
index->idxname = CreateIndexName(stmt->relname, iparam->name, "key", ilist);
}
- if (index->idxname == NULL) /* should not happen */
+ if (index->idxname == NULL) /* should not happen */
elog(ERROR, "CREATE TABLE: failed to make implicit index name");
ilist = lappend(ilist, index);
ilist = NIL;
while (dlist != NIL)
{
- List *pcols, *icols;
- int plen, ilen;
- int keep = TRUE;
+ List *pcols,
+ *icols;
+ int plen,
+ ilen;
+ int keep = TRUE;
index = lfirst(dlist);
pcols = pkey->indexParams;
keep = FALSE;
while ((pcols != NIL) && (icols != NIL))
{
- IndexElem *pcol = lfirst(pcols);
- IndexElem *icol = lfirst(icols);
- char *pname = pcol->name;
- char *iname = icol->name;
+ IndexElem *pcol = lfirst(pcols);
+ IndexElem *icol = lfirst(icols);
+ char *pname = pcol->name;
+ char *iname = icol->name;
/* different names? then no match... */
if (strcmp(iname, pname) != 0)
extras_after = ilist;
/*
- * Now process the FOREIGN KEY constraints and add appropriate
- * queries to the extras_after statements list.
+ * Now process the FOREIGN KEY constraints and add appropriate queries
+ * to the extras_after statements list.
*
*/
if (fkconstraints != NIL)
{
- CreateTrigStmt *fk_trigger;
- List *fk_attr;
- List *pk_attr;
- Ident *id;
+ CreateTrigStmt *fk_trigger;
+ List *fk_attr;
+ List *pk_attr;
+ Ident *id;
elog(NOTICE, "CREATE TABLE will create implicit trigger(s) for FOREIGN KEY check(s)");
- foreach (fkclist, fkconstraints)
+ foreach(fkclist, fkconstraints)
{
- fkconstraint = (FkConstraint *)lfirst(fkclist);
+ fkconstraint = (FkConstraint *) lfirst(fkclist);
/*
* If the constraint has no name, set it to <unnamed>
fkconstraint->constr_name = "<unnamed>";
/*
- * If the attribute list for the referenced table was
- * omitted, lookup for the definition of the primary key.
- * If the referenced table is this table, use the definition
- * we found above, rather than looking to the system
- * tables.
+ * If the attribute list for the referenced table was omitted,
+ * lookup for the definition of the primary key. If the
+ * referenced table is this table, use the definition we found
+ * above, rather than looking to the system tables.
*
*/
if (fkconstraint->fk_attrs != NIL && fkconstraint->pk_attrs == NIL)
{
if (strcmp(fkconstraint->pktable_name, stmt->relname) != 0)
transformFkeyGetPrimaryKey(fkconstraint);
- else if (pkey != NULL)
+ else if (pkey != NULL)
{
- List *pkey_attr = pkey->indexParams;
- List *attr;
- IndexElem *ielem;
- Ident *pkattr;
+ List *pkey_attr = pkey->indexParams;
+ List *attr;
+ IndexElem *ielem;
+ Ident *pkattr;
- foreach (attr, pkey_attr)
+ foreach(attr, pkey_attr)
{
ielem = lfirst(attr);
- pkattr = (Ident *)makeNode(Ident);
+ pkattr = (Ident *) makeNode(Ident);
pkattr->name = pstrdup(ielem->name);
pkattr->indirection = NIL;
pkattr->isRel = false;
fkconstraint->pk_attrs = lappend(fkconstraint->pk_attrs, pkattr);
- }
+ }
}
- else {
+ else
+ {
elog(ERROR, "PRIMARY KEY for referenced table \"%s\" not found",
- fkconstraint->pktable_name);
+ fkconstraint->pktable_name);
}
}
* action.
*
*/
- fk_trigger = (CreateTrigStmt *)makeNode(CreateTrigStmt);
- fk_trigger->trigname = fkconstraint->constr_name;
- fk_trigger->relname = stmt->relname;
- fk_trigger->funcname = "RI_FKey_check_ins";
- fk_trigger->before = false;
- fk_trigger->row = true;
- fk_trigger->actions[0] = 'i';
- fk_trigger->actions[1] = 'u';
- fk_trigger->actions[2] = '\0';
- fk_trigger->lang = NULL;
- fk_trigger->text = NULL;
- fk_trigger->attr = NIL;
- fk_trigger->when = NULL;
- fk_trigger->isconstraint = true;
- fk_trigger->deferrable = fkconstraint->deferrable;
- fk_trigger->initdeferred = fkconstraint->initdeferred;
- fk_trigger->constrrelname = fkconstraint->pktable_name;
-
- fk_trigger->args = NIL;
+ fk_trigger = (CreateTrigStmt *) makeNode(CreateTrigStmt);
+ fk_trigger->trigname = fkconstraint->constr_name;
+ fk_trigger->relname = stmt->relname;
+ fk_trigger->funcname = "RI_FKey_check_ins";
+ fk_trigger->before = false;
+ fk_trigger->row = true;
+ fk_trigger->actions[0] = 'i';
+ fk_trigger->actions[1] = 'u';
+ fk_trigger->actions[2] = '\0';
+ fk_trigger->lang = NULL;
+ fk_trigger->text = NULL;
+
+ fk_trigger->attr = NIL;
+ fk_trigger->when = NULL;
+ fk_trigger->isconstraint = true;
+ fk_trigger->deferrable = fkconstraint->deferrable;
+ fk_trigger->initdeferred = fkconstraint->initdeferred;
+ fk_trigger->constrrelname = fkconstraint->pktable_name;
+
+ fk_trigger->args = NIL;
fk_trigger->args = lappend(fk_trigger->args,
- fkconstraint->constr_name);
+ fkconstraint->constr_name);
fk_trigger->args = lappend(fk_trigger->args,
- stmt->relname);
+ stmt->relname);
fk_trigger->args = lappend(fk_trigger->args,
- fkconstraint->pktable_name);
+ fkconstraint->pktable_name);
fk_trigger->args = lappend(fk_trigger->args,
- fkconstraint->match_type);
+ fkconstraint->match_type);
fk_attr = fkconstraint->fk_attrs;
pk_attr = fkconstraint->pk_attrs;
if (length(fk_attr) != length(pk_attr))
{
elog(NOTICE, "Illegal FOREIGN KEY definition REFERENCES \"%s\"",
- fkconstraint->pktable_name);
+ fkconstraint->pktable_name);
elog(ERROR, "number of key attributes in referenced table must be equal to foreign key");
}
while (fk_attr != NIL)
{
- id = (Ident *)lfirst(fk_attr);
+ id = (Ident *) lfirst(fk_attr);
fk_trigger->args = lappend(fk_trigger->args, id->name);
- id = (Ident *)lfirst(pk_attr);
+ id = (Ident *) lfirst(pk_attr);
fk_trigger->args = lappend(fk_trigger->args, id->name);
fk_attr = lnext(fk_attr);
pk_attr = lnext(pk_attr);
}
- extras_after = lappend(extras_after, (Node *)fk_trigger);
+ extras_after = lappend(extras_after, (Node *) fk_trigger);
/*
- * Build a CREATE CONSTRAINT TRIGGER statement for the
- * ON DELETE action fired on the PK table !!!
+ * Build a CREATE CONSTRAINT TRIGGER statement for the ON
+ * DELETE action fired on the PK table !!!
*
*/
- fk_trigger = (CreateTrigStmt *)makeNode(CreateTrigStmt);
- fk_trigger->trigname = fkconstraint->constr_name;
- fk_trigger->relname = fkconstraint->pktable_name;
- fk_trigger->before = false;
- fk_trigger->row = true;
- fk_trigger->actions[0] = 'd';
- fk_trigger->actions[1] = '\0';
- fk_trigger->lang = NULL;
- fk_trigger->text = NULL;
- fk_trigger->attr = NIL;
- fk_trigger->when = NULL;
- fk_trigger->isconstraint = true;
- fk_trigger->deferrable = fkconstraint->deferrable;
- fk_trigger->initdeferred = fkconstraint->initdeferred;
- fk_trigger->constrrelname = stmt->relname;
+ fk_trigger = (CreateTrigStmt *) makeNode(CreateTrigStmt);
+ fk_trigger->trigname = fkconstraint->constr_name;
+ fk_trigger->relname = fkconstraint->pktable_name;
+ fk_trigger->before = false;
+ fk_trigger->row = true;
+ fk_trigger->actions[0] = 'd';
+ fk_trigger->actions[1] = '\0';
+ fk_trigger->lang = NULL;
+ fk_trigger->text = NULL;
+
+ fk_trigger->attr = NIL;
+ fk_trigger->when = NULL;
+ fk_trigger->isconstraint = true;
+ fk_trigger->deferrable = fkconstraint->deferrable;
+ fk_trigger->initdeferred = fkconstraint->initdeferred;
+ fk_trigger->constrrelname = stmt->relname;
switch ((fkconstraint->actions & FKCONSTR_ON_DELETE_MASK)
- >> FKCONSTR_ON_DELETE_SHIFT)
+ >> FKCONSTR_ON_DELETE_SHIFT)
{
case FKCONSTR_ON_KEY_NOACTION:
fk_trigger->funcname = "RI_FKey_noaction_del";
break;
case FKCONSTR_ON_KEY_RESTRICT:
- fk_trigger->deferrable = false;
- fk_trigger->initdeferred = false;
- fk_trigger->funcname = "RI_FKey_restrict_del";
+ fk_trigger->deferrable = false;
+ fk_trigger->initdeferred = false;
+ fk_trigger->funcname = "RI_FKey_restrict_del";
break;
case FKCONSTR_ON_KEY_CASCADE:
fk_trigger->funcname = "RI_FKey_cascade_del";
break;
}
- fk_trigger->args = NIL;
+ fk_trigger->args = NIL;
fk_trigger->args = lappend(fk_trigger->args,
- fkconstraint->constr_name);
+ fkconstraint->constr_name);
fk_trigger->args = lappend(fk_trigger->args,
- stmt->relname);
+ stmt->relname);
fk_trigger->args = lappend(fk_trigger->args,
- fkconstraint->pktable_name);
+ fkconstraint->pktable_name);
fk_trigger->args = lappend(fk_trigger->args,
- fkconstraint->match_type);
+ fkconstraint->match_type);
fk_attr = fkconstraint->fk_attrs;
pk_attr = fkconstraint->pk_attrs;
while (fk_attr != NIL)
{
- id = (Ident *)lfirst(fk_attr);
+ id = (Ident *) lfirst(fk_attr);
fk_trigger->args = lappend(fk_trigger->args, id->name);
- id = (Ident *)lfirst(pk_attr);
+ id = (Ident *) lfirst(pk_attr);
fk_trigger->args = lappend(fk_trigger->args, id->name);
fk_attr = lnext(fk_attr);
pk_attr = lnext(pk_attr);
}
- extras_after = lappend(extras_after, (Node *)fk_trigger);
+ extras_after = lappend(extras_after, (Node *) fk_trigger);
/*
- * Build a CREATE CONSTRAINT TRIGGER statement for the
- * ON UPDATE action fired on the PK table !!!
+ * Build a CREATE CONSTRAINT TRIGGER statement for the ON
+ * UPDATE action fired on the PK table !!!
*
*/
- fk_trigger = (CreateTrigStmt *)makeNode(CreateTrigStmt);
- fk_trigger->trigname = fkconstraint->constr_name;
- fk_trigger->relname = fkconstraint->pktable_name;
- fk_trigger->before = false;
- fk_trigger->row = true;
- fk_trigger->actions[0] = 'u';
- fk_trigger->actions[1] = '\0';
- fk_trigger->lang = NULL;
- fk_trigger->text = NULL;
- fk_trigger->attr = NIL;
- fk_trigger->when = NULL;
- fk_trigger->isconstraint = true;
- fk_trigger->deferrable = fkconstraint->deferrable;
- fk_trigger->initdeferred = fkconstraint->initdeferred;
- fk_trigger->constrrelname = stmt->relname;
+ fk_trigger = (CreateTrigStmt *) makeNode(CreateTrigStmt);
+ fk_trigger->trigname = fkconstraint->constr_name;
+ fk_trigger->relname = fkconstraint->pktable_name;
+ fk_trigger->before = false;
+ fk_trigger->row = true;
+ fk_trigger->actions[0] = 'u';
+ fk_trigger->actions[1] = '\0';
+ fk_trigger->lang = NULL;
+ fk_trigger->text = NULL;
+
+ fk_trigger->attr = NIL;
+ fk_trigger->when = NULL;
+ fk_trigger->isconstraint = true;
+ fk_trigger->deferrable = fkconstraint->deferrable;
+ fk_trigger->initdeferred = fkconstraint->initdeferred;
+ fk_trigger->constrrelname = stmt->relname;
switch ((fkconstraint->actions & FKCONSTR_ON_UPDATE_MASK)
- >> FKCONSTR_ON_UPDATE_SHIFT)
+ >> FKCONSTR_ON_UPDATE_SHIFT)
{
case FKCONSTR_ON_KEY_NOACTION:
fk_trigger->funcname = "RI_FKey_noaction_upd";
break;
case FKCONSTR_ON_KEY_RESTRICT:
- fk_trigger->deferrable = false;
- fk_trigger->initdeferred = false;
- fk_trigger->funcname = "RI_FKey_restrict_upd";
+ fk_trigger->deferrable = false;
+ fk_trigger->initdeferred = false;
+ fk_trigger->funcname = "RI_FKey_restrict_upd";
break;
case FKCONSTR_ON_KEY_CASCADE:
fk_trigger->funcname = "RI_FKey_cascade_upd";
break;
}
- fk_trigger->args = NIL;
+ fk_trigger->args = NIL;
fk_trigger->args = lappend(fk_trigger->args,
- fkconstraint->constr_name);
+ fkconstraint->constr_name);
fk_trigger->args = lappend(fk_trigger->args,
- stmt->relname);
+ stmt->relname);
fk_trigger->args = lappend(fk_trigger->args,
- fkconstraint->pktable_name);
+ fkconstraint->pktable_name);
fk_trigger->args = lappend(fk_trigger->args,
- fkconstraint->match_type);
+ fkconstraint->match_type);
fk_attr = fkconstraint->fk_attrs;
pk_attr = fkconstraint->pk_attrs;
while (fk_attr != NIL)
{
- id = (Ident *)lfirst(fk_attr);
+ id = (Ident *) lfirst(fk_attr);
fk_trigger->args = lappend(fk_trigger->args, id->name);
- id = (Ident *)lfirst(pk_attr);
+ id = (Ident *) lfirst(pk_attr);
fk_trigger->args = lappend(fk_trigger->args, id->name);
fk_attr = lnext(fk_attr);
pk_attr = lnext(pk_attr);
}
- extras_after = lappend(extras_after, (Node *)fk_trigger);
+ extras_after = lappend(extras_after, (Node *) fk_trigger);
}
}
qry->qual = transformWhereClause(pstate, stmt->whereClause);
- /* Initial processing of HAVING clause is just like WHERE clause.
+ /*
+ * Initial processing of HAVING clause is just like WHERE clause.
* Additional work will be done in optimizer/plan/planner.c.
*/
qry->havingQual = transformWhereClause(pstate, stmt->havingClause);
qry->distinctClause = transformDistinctClause(pstate,
stmt->distinctClause,
qry->targetList,
- & qry->sortClause);
+ &qry->sortClause);
qry->hasSubLinks = pstate->p_hasSubLinks;
qry->hasAggs = pstate->p_hasAggs;
if (resnode->resjunk)
{
- /* Resjunk nodes need no additional processing, but be sure they
- * have names and resnos that do not match any target columns;
- * else rewriter or planner might get confused.
+
+ /*
+ * Resjunk nodes need no additional processing, but be sure
+ * they have names and resnos that do not match any target
+ * columns; else rewriter or planner might get confused.
*/
resnode->resname = "?resjunk?";
resnode->resno = (AttrNumber) pstate->p_last_resno++;
/*
* tranformAlterTableStmt -
- * transform an Alter Table Statement
+ * transform an Alter Table Statement
*
*/
static Query *
-transformAlterTableStmt(ParseState *pstate, AlterTableStmt *stmt)
+transformAlterTableStmt(ParseState *pstate, AlterTableStmt *stmt)
{
- Query *qry;
+ Query *qry;
+
qry = makeNode(Query);
qry->commandType = CMD_UTILITY;
- /*
- * The only subtypes that currently have special handling are
- * 'A'dd column and Add 'C'onstraint. In addition, right now
- * only Foreign Key 'C'onstraints have a special transformation.
+ /*
+ * The only subtypes that currently have special handling are 'A'dd
+ * column and Add 'C'onstraint. In addition, right now only Foreign
+ * Key 'C'onstraints have a special transformation.
*
*/
- switch (stmt->subtype) {
+ switch (stmt->subtype)
+ {
case 'A':
transformColumnType(pstate, (ColumnDef *) stmt->def);
break;
- case 'C':
- if (stmt->def && nodeTag(stmt->def) == T_FkConstraint )
+ case 'C':
+ if (stmt->def && nodeTag(stmt->def) == T_FkConstraint)
{
- CreateTrigStmt *fk_trigger;
- List *fk_attr;
- List *pk_attr;
- Ident *id;
- FkConstraint *fkconstraint;
+ CreateTrigStmt *fk_trigger;
+ List *fk_attr;
+ List *pk_attr;
+ Ident *id;
+ FkConstraint *fkconstraint;
+
extras_after = NIL;
elog(NOTICE, "ALTER TABLE ... ADD CONSTRAINT will create implicit trigger(s) for FOREIGN KEY check(s)");
fkconstraint = (FkConstraint *) stmt->def;
+
/*
* If the constraint has no name, set it to <unnamed>
*
transformFkeyGetPrimaryKey(fkconstraint);
/*
- * Build a CREATE CONSTRAINT TRIGGER statement for the CHECK
- * action.
+ * Build a CREATE CONSTRAINT TRIGGER statement for the
+ * CHECK action.
*
*/
- fk_trigger = (CreateTrigStmt *)makeNode(CreateTrigStmt);
- fk_trigger->trigname = fkconstraint->constr_name;
- fk_trigger->relname = stmt->relname;
- fk_trigger->funcname = "RI_FKey_check_ins";
- fk_trigger->before = false;
- fk_trigger->row = true;
- fk_trigger->actions[0] = 'i';
- fk_trigger->actions[1] = 'u';
- fk_trigger->actions[2] = '\0';
- fk_trigger->lang = NULL;
- fk_trigger->text = NULL;
- fk_trigger->attr = NIL;
- fk_trigger->when = NULL;
- fk_trigger->isconstraint = true;
- fk_trigger->deferrable = fkconstraint->deferrable;
- fk_trigger->initdeferred = fkconstraint->initdeferred;
- fk_trigger->constrrelname = fkconstraint->pktable_name;
-
- fk_trigger->args = NIL;
+ fk_trigger = (CreateTrigStmt *) makeNode(CreateTrigStmt);
+ fk_trigger->trigname = fkconstraint->constr_name;
+ fk_trigger->relname = stmt->relname;
+ fk_trigger->funcname = "RI_FKey_check_ins";
+ fk_trigger->before = false;
+ fk_trigger->row = true;
+ fk_trigger->actions[0] = 'i';
+ fk_trigger->actions[1] = 'u';
+ fk_trigger->actions[2] = '\0';
+ fk_trigger->lang = NULL;
+ fk_trigger->text = NULL;
+
+ fk_trigger->attr = NIL;
+ fk_trigger->when = NULL;
+ fk_trigger->isconstraint = true;
+ fk_trigger->deferrable = fkconstraint->deferrable;
+ fk_trigger->initdeferred = fkconstraint->initdeferred;
+ fk_trigger->constrrelname = fkconstraint->pktable_name;
+
+ fk_trigger->args = NIL;
fk_trigger->args = lappend(fk_trigger->args,
- fkconstraint->constr_name);
+ fkconstraint->constr_name);
fk_trigger->args = lappend(fk_trigger->args,
- stmt->relname);
+ stmt->relname);
fk_trigger->args = lappend(fk_trigger->args,
- fkconstraint->pktable_name);
+ fkconstraint->pktable_name);
fk_trigger->args = lappend(fk_trigger->args,
- fkconstraint->match_type);
+ fkconstraint->match_type);
fk_attr = fkconstraint->fk_attrs;
pk_attr = fkconstraint->pk_attrs;
if (length(fk_attr) != length(pk_attr))
{
elog(NOTICE, "Illegal FOREIGN KEY definition REFERENCES \"%s\"",
- fkconstraint->pktable_name);
+ fkconstraint->pktable_name);
elog(ERROR, "number of key attributes in referenced table must be equal to foreign key");
}
while (fk_attr != NIL)
{
- id = (Ident *)lfirst(fk_attr);
+ id = (Ident *) lfirst(fk_attr);
fk_trigger->args = lappend(fk_trigger->args, id->name);
-
- id = (Ident *)lfirst(pk_attr);
+
+ id = (Ident *) lfirst(pk_attr);
fk_trigger->args = lappend(fk_trigger->args, id->name);
fk_attr = lnext(fk_attr);
pk_attr = lnext(pk_attr);
}
- extras_after = lappend(extras_after, (Node *)fk_trigger);
+ extras_after = lappend(extras_after, (Node *) fk_trigger);
/*
- * Build a CREATE CONSTRAINT TRIGGER statement for the
- * ON DELETE action fired on the PK table !!!
+ * Build a CREATE CONSTRAINT TRIGGER statement for the ON
+ * DELETE action fired on the PK table !!!
*
*/
- fk_trigger = (CreateTrigStmt *)makeNode(CreateTrigStmt);
- fk_trigger->trigname = fkconstraint->constr_name;
- fk_trigger->relname = fkconstraint->pktable_name;
+ fk_trigger = (CreateTrigStmt *) makeNode(CreateTrigStmt);
+ fk_trigger->trigname = fkconstraint->constr_name;
+ fk_trigger->relname = fkconstraint->pktable_name;
switch ((fkconstraint->actions & FKCONSTR_ON_DELETE_MASK)
- >> FKCONSTR_ON_DELETE_SHIFT)
+ >> FKCONSTR_ON_DELETE_SHIFT)
{
case FKCONSTR_ON_KEY_NOACTION:
fk_trigger->funcname = "RI_FKey_noaction_del";
elog(ERROR, "Only one ON DELETE action can be specified for FOREIGN KEY constraint");
break;
}
- fk_trigger->before = false;
- fk_trigger->row = true;
- fk_trigger->actions[0] = 'd';
- fk_trigger->actions[1] = '\0';
- fk_trigger->lang = NULL;
- fk_trigger->text = NULL;
- fk_trigger->attr = NIL;
- fk_trigger->when = NULL;
- fk_trigger->isconstraint = true;
- fk_trigger->deferrable = fkconstraint->deferrable;
- fk_trigger->initdeferred = fkconstraint->initdeferred;
- fk_trigger->constrrelname = stmt->relname;
-
- fk_trigger->args = NIL;
+ fk_trigger->before = false;
+ fk_trigger->row = true;
+ fk_trigger->actions[0] = 'd';
+ fk_trigger->actions[1] = '\0';
+ fk_trigger->lang = NULL;
+ fk_trigger->text = NULL;
+
+ fk_trigger->attr = NIL;
+ fk_trigger->when = NULL;
+ fk_trigger->isconstraint = true;
+ fk_trigger->deferrable = fkconstraint->deferrable;
+ fk_trigger->initdeferred = fkconstraint->initdeferred;
+ fk_trigger->constrrelname = stmt->relname;
+
+ fk_trigger->args = NIL;
fk_trigger->args = lappend(fk_trigger->args,
- fkconstraint->constr_name);
+ fkconstraint->constr_name);
fk_trigger->args = lappend(fk_trigger->args,
- stmt->relname);
+ stmt->relname);
fk_trigger->args = lappend(fk_trigger->args,
- fkconstraint->pktable_name);
+ fkconstraint->pktable_name);
fk_trigger->args = lappend(fk_trigger->args,
- fkconstraint->match_type);
+ fkconstraint->match_type);
fk_attr = fkconstraint->fk_attrs;
pk_attr = fkconstraint->pk_attrs;
while (fk_attr != NIL)
{
- id = (Ident *)lfirst(fk_attr);
+ id = (Ident *) lfirst(fk_attr);
fk_trigger->args = lappend(fk_trigger->args, id->name);
- id = (Ident *)lfirst(pk_attr);
+ id = (Ident *) lfirst(pk_attr);
fk_trigger->args = lappend(fk_trigger->args, id->name);
fk_attr = lnext(fk_attr);
pk_attr = lnext(pk_attr);
}
- extras_after = lappend(extras_after, (Node *)fk_trigger);
+ extras_after = lappend(extras_after, (Node *) fk_trigger);
/*
- * Build a CREATE CONSTRAINT TRIGGER statement for the
- * ON UPDATE action fired on the PK table !!!
+ * Build a CREATE CONSTRAINT TRIGGER statement for the ON
+ * UPDATE action fired on the PK table !!!
*
*/
- fk_trigger = (CreateTrigStmt *)makeNode(CreateTrigStmt);
- fk_trigger->trigname = fkconstraint->constr_name;
- fk_trigger->relname = fkconstraint->pktable_name;
+ fk_trigger = (CreateTrigStmt *) makeNode(CreateTrigStmt);
+ fk_trigger->trigname = fkconstraint->constr_name;
+ fk_trigger->relname = fkconstraint->pktable_name;
switch ((fkconstraint->actions & FKCONSTR_ON_UPDATE_MASK)
- >> FKCONSTR_ON_UPDATE_SHIFT)
+ >> FKCONSTR_ON_UPDATE_SHIFT)
{
case FKCONSTR_ON_KEY_NOACTION:
fk_trigger->funcname = "RI_FKey_noaction_upd";
elog(ERROR, "Only one ON UPDATE action can be specified for FOREIGN KEY constraint");
break;
}
- fk_trigger->before = false;
- fk_trigger->row = true;
- fk_trigger->actions[0] = 'u';
- fk_trigger->actions[1] = '\0';
- fk_trigger->lang = NULL;
- fk_trigger->text = NULL;
- fk_trigger->attr = NIL;
- fk_trigger->when = NULL;
- fk_trigger->isconstraint = true;
- fk_trigger->deferrable = fkconstraint->deferrable;
- fk_trigger->initdeferred = fkconstraint->initdeferred;
- fk_trigger->constrrelname = stmt->relname;
-
- fk_trigger->args = NIL;
+ fk_trigger->before = false;
+ fk_trigger->row = true;
+ fk_trigger->actions[0] = 'u';
+ fk_trigger->actions[1] = '\0';
+ fk_trigger->lang = NULL;
+ fk_trigger->text = NULL;
+
+ fk_trigger->attr = NIL;
+ fk_trigger->when = NULL;
+ fk_trigger->isconstraint = true;
+ fk_trigger->deferrable = fkconstraint->deferrable;
+ fk_trigger->initdeferred = fkconstraint->initdeferred;
+ fk_trigger->constrrelname = stmt->relname;
+
+ fk_trigger->args = NIL;
fk_trigger->args = lappend(fk_trigger->args,
- fkconstraint->constr_name);
+ fkconstraint->constr_name);
fk_trigger->args = lappend(fk_trigger->args,
- stmt->relname);
+ stmt->relname);
fk_trigger->args = lappend(fk_trigger->args,
- fkconstraint->pktable_name);
+ fkconstraint->pktable_name);
fk_trigger->args = lappend(fk_trigger->args,
- fkconstraint->match_type);
+ fkconstraint->match_type);
fk_attr = fkconstraint->fk_attrs;
pk_attr = fkconstraint->pk_attrs;
while (fk_attr != NIL)
{
- id = (Ident *)lfirst(fk_attr);
+ id = (Ident *) lfirst(fk_attr);
fk_trigger->args = lappend(fk_trigger->args, id->name);
- id = (Ident *)lfirst(pk_attr);
+ id = (Ident *) lfirst(pk_attr);
fk_trigger->args = lappend(fk_trigger->args, id->name);
fk_attr = lnext(fk_attr);
pk_attr = lnext(pk_attr);
}
- extras_after = lappend(extras_after, (Node *)fk_trigger);
+ extras_after = lappend(extras_after, (Node *) fk_trigger);
}
break;
default:
static void
transformFkeyGetPrimaryKey(FkConstraint *fkconstraint)
{
- Relation pkrel;
- Form_pg_attribute *pkrel_attrs;
- Relation indexRd;
- HeapScanDesc indexSd;
- ScanKeyData key;
- HeapTuple indexTup;
- Form_pg_index indexStruct = NULL;
- Ident *pkattr;
- int pkattno;
- int i;
+ Relation pkrel;
+ Form_pg_attribute *pkrel_attrs;
+ Relation indexRd;
+ HeapScanDesc indexSd;
+ ScanKeyData key;
+ HeapTuple indexTup;
+ Form_pg_index indexStruct = NULL;
+ Ident *pkattr;
+ int pkattno;
+ int i;
/* ----------
* Open the referenced table and get the attributes list
pkrel = heap_openr(fkconstraint->pktable_name, AccessShareLock);
if (pkrel == NULL)
elog(ERROR, "referenced table \"%s\" not found",
- fkconstraint->pktable_name);
+ fkconstraint->pktable_name);
pkrel_attrs = pkrel->rd_att->attrs;
/* ----------
*/
indexRd = heap_openr(IndexRelationName, AccessShareLock);
ScanKeyEntryInitialize(&key, 0, Anum_pg_index_indrelid,
- F_OIDEQ,
- ObjectIdGetDatum(pkrel->rd_id));
- indexSd = heap_beginscan(indexRd, /* scan desc */
- false, /* scan backward flag */
- SnapshotNow, /* NOW snapshot */
- 1, /* number scan keys */
- &key); /* scan keys */
+ F_OIDEQ,
+ ObjectIdGetDatum(pkrel->rd_id));
+ indexSd = heap_beginscan(indexRd, /* scan desc */
+ false, /* scan backward flag */
+ SnapshotNow, /* NOW snapshot */
+ 1, /* number scan keys */
+ &key); /* scan keys */
/* ----------
* Fetch the index with indisprimary == true
indexStruct = (Form_pg_index) GETSTRUCT(indexTup);
if (indexStruct->indisprimary)
- {
break;
- }
}
/* ----------
*/
if (!HeapTupleIsValid(indexTup))
elog(ERROR, "PRIMARY KEY for referenced table \"%s\" not found",
- fkconstraint->pktable_name);
+ fkconstraint->pktable_name);
/* ----------
* Now build the list of PK attributes from the indkey definition
for (i = 0; i < INDEX_MAX_KEYS && indexStruct->indkey[i] != 0; i++)
{
pkattno = indexStruct->indkey[i];
- pkattr = (Ident *)makeNode(Ident);
+ pkattr = (Ident *) makeNode(Ident);
pkattr->name = nameout(&(pkrel_attrs[pkattno - 1]->attname));
pkattr->indirection = NIL;
pkattr->isRel = false;
foreach(clist, constraintList)
{
- Node *node = lfirst(clist);
+ Node *node = lfirst(clist);
- if (! IsA(node, Constraint))
+ if (!IsA(node, Constraint))
{
lastprimarynode = node;
/* reset flags for new primary node */
}
else
{
- Constraint *con = (Constraint *) node;
+ Constraint *con = (Constraint *) node;
switch (con->contype)
{
case CONSTR_ATTR_DEFERRABLE:
if (lastprimarynode == NULL ||
- ! IsA(lastprimarynode, FkConstraint))
+ !IsA(lastprimarynode, FkConstraint))
elog(ERROR, "Misplaced DEFERRABLE clause");
if (saw_deferrability)
elog(ERROR, "Multiple DEFERRABLE/NOT DEFERRABLE clauses not allowed");
break;
case CONSTR_ATTR_NOT_DEFERRABLE:
if (lastprimarynode == NULL ||
- ! IsA(lastprimarynode, FkConstraint))
+ !IsA(lastprimarynode, FkConstraint))
elog(ERROR, "Misplaced NOT DEFERRABLE clause");
if (saw_deferrability)
elog(ERROR, "Multiple DEFERRABLE/NOT DEFERRABLE clauses not allowed");
break;
case CONSTR_ATTR_DEFERRED:
if (lastprimarynode == NULL ||
- ! IsA(lastprimarynode, FkConstraint))
+ !IsA(lastprimarynode, FkConstraint))
elog(ERROR, "Misplaced INITIALLY DEFERRED clause");
if (saw_initially)
elog(ERROR, "Multiple INITIALLY IMMEDIATE/DEFERRED clauses not allowed");
saw_initially = true;
((FkConstraint *) lastprimarynode)->initdeferred = true;
- /* If only INITIALLY DEFERRED appears, assume DEFERRABLE */
- if (! saw_deferrability)
+
+ /*
+ * If only INITIALLY DEFERRED appears, assume
+ * DEFERRABLE
+ */
+ if (!saw_deferrability)
((FkConstraint *) lastprimarynode)->deferrable = true;
- else if (! ((FkConstraint *) lastprimarynode)->deferrable)
+ else if (!((FkConstraint *) lastprimarynode)->deferrable)
elog(ERROR, "INITIALLY DEFERRED constraint must be DEFERRABLE");
break;
case CONSTR_ATTR_IMMEDIATE:
if (lastprimarynode == NULL ||
- ! IsA(lastprimarynode, FkConstraint))
+ !IsA(lastprimarynode, FkConstraint))
elog(ERROR, "Misplaced INITIALLY IMMEDIATE clause");
if (saw_initially)
elog(ERROR, "Multiple INITIALLY IMMEDIATE/DEFERRED clauses not allowed");
static void
transformColumnType(ParseState *pstate, ColumnDef *column)
{
+
/*
- * If the column doesn't have an explicitly specified typmod,
- * check to see if we want to insert a default length.
+ * If the column doesn't have an explicitly specified typmod, check to
+ * see if we want to insert a default length.
*
* Note that we deliberately do NOT look at array or set information
* here; "numeric[]" needs the same default typmod as "numeric".
{
switch (typeTypeId(typenameType(column->typename->name)))
{
- case BPCHAROID:
+ case BPCHAROID:
/* "char" -> "char(1)" */
column->typename->typmod = VARHDRSZ + 1;
break;
case NUMERICOID:
column->typename->typmod = VARHDRSZ +
- ((NUMERIC_DEFAULT_PRECISION<<16) | NUMERIC_DEFAULT_SCALE);
+ ((NUMERIC_DEFAULT_PRECISION << 16) | NUMERIC_DEFAULT_SCALE);
break;
}
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/parser/keywords.c,v 1.70 2000/04/07 13:39:34 thomas Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/keywords.c,v 1.71 2000/04/12 17:15:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
{"stdin", STDIN},
{"stdout", STDOUT},
{"substring", SUBSTRING},
- {"sysid", SYSID},
+ {"sysid", SYSID},
{"table", TABLE},
{"temp", TEMP},
{"temporary", TEMPORARY},
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/parser/parse_agg.c,v 1.36 2000/03/17 02:36:17 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/parse_agg.c,v 1.37 2000/04/12 17:15:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "utils/lsyscache.h"
#include "utils/syscache.h"
-typedef struct {
+typedef struct
+{
ParseState *pstate;
List *groupClauses;
} check_ungrouped_columns_context;
static void check_ungrouped_columns(Node *node, ParseState *pstate,
- List *groupClauses);
+ List *groupClauses);
static bool check_ungrouped_columns_walker(Node *node,
- check_ungrouped_columns_context *context);
+ check_ungrouped_columns_context *context);
/*
* check_ungrouped_columns -
*
* NOTE: in the case of a SubLink, expression_tree_walker does not descend
* into the subquery. This means we will fail to detect ungrouped columns
- * that appear as outer-level variables within a subquery. That case seems
+ * that appear as outer-level variables within a subquery. That case seems
* unreasonably hard to handle here. Instead, we expect the planner to check
* for ungrouped columns after it's found all the outer-level references
* inside the subquery and converted them into a list of parameters for the
check_ungrouped_columns(Node *node, ParseState *pstate,
List *groupClauses)
{
- check_ungrouped_columns_context context;
+ check_ungrouped_columns_context context;
context.pstate = pstate;
context.groupClauses = groupClauses;
if (node == NULL)
return false;
- if (IsA(node, Const) || IsA(node, Param))
+ if (IsA(node, Const) ||IsA(node, Param))
return false; /* constants are always acceptable */
+
/*
- * If we find an aggregate function, do not recurse into its arguments.
+ * If we find an aggregate function, do not recurse into its
+ * arguments.
*/
if (IsA(node, Aggref))
return false;
+
/*
* Check to see if subexpression as a whole matches any GROUP BY item.
* We need to do this at every recursion level so that we recognize
if (equal(node, lfirst(gl)))
return false; /* acceptable, do not descend more */
}
+
/*
* If we have an ungrouped Var, we have a failure --- unless it is an
* outer-level Var. In that case it's a constant as far as this query
- * level is concerned, and we can accept it. (If it's ungrouped as far
- * as the upper query is concerned, that's someone else's problem...)
+ * level is concerned, and we can accept it. (If it's ungrouped as
+ * far as the upper query is concerned, that's someone else's
+ * problem...)
*/
if (IsA(node, Var))
{
- Var *var = (Var *) node;
- RangeTblEntry *rte;
- char *attname;
+ Var *var = (Var *) node;
+ RangeTblEntry *rte;
+ char *attname;
if (var->varlevelsup > 0)
return false; /* outer-level Var is acceptable */
(int) var->varno <= length(context->pstate->p_rtable));
rte = rt_fetch(var->varno, context->pstate->p_rtable);
attname = get_attname(rte->relid, var->varattno);
- if (! attname)
+ if (!attname)
elog(ERROR, "cache lookup of attribute %d in relation %u failed",
var->varattno, rte->relid);
elog(ERROR, "Attribute %s.%s must be GROUPed or used in an aggregate function",
/*
* Aggregates must never appear in WHERE clauses. (Note this check
* should appear first to deliver an appropriate error message;
- * otherwise we are likely to complain about some innocent variable
- * in the target list, which is outright misleading if the problem
- * is in WHERE.)
+ * otherwise we are likely to complain about some innocent variable in
+ * the target list, which is outright misleading if the problem is in
+ * WHERE.)
*/
if (contain_agg_clause(qry->qual))
elog(ERROR, "Aggregates not allowed in WHERE clause");
/*
* No aggregates allowed in GROUP BY clauses, either.
*
- * While we are at it, build a list of the acceptable GROUP BY expressions
- * for use by check_ungrouped_columns() (this avoids repeated scans of the
- * targetlist within the recursive routine...)
+ * While we are at it, build a list of the acceptable GROUP BY
+ * expressions for use by check_ungrouped_columns() (this avoids
+ * repeated scans of the targetlist within the recursive routine...)
*/
foreach(tl, qry->groupClause)
{
GroupClause *grpcl = lfirst(tl);
- Node *expr;
+ Node *expr;
expr = get_sortgroupclause_expr(grpcl, qry->targetList);
if (contain_agg_clause(expr))
/*
* There used to be a really ugly hack for count(*) here.
*
- * It's gone. Now, the grammar transforms count(*) into count(1),
- * which does the right thing. (It didn't use to do the right thing,
- * because the optimizer had the wrong ideas about semantics of queries
- * without explicit variables. Fixed as of Oct 1999 --- tgl.)
+ * It's gone. Now, the grammar transforms count(*) into count(1), which
+ * does the right thing. (It didn't use to do the right thing,
+ * because the optimizer had the wrong ideas about semantics of
+ * queries without explicit variables. Fixed as of Oct 1999 --- tgl.)
*
- * Since "1" never evaluates as null, we currently have no need of
- * the "usenulls" flag, but it should be kept around; in fact, we should
+ * Since "1" never evaluates as null, we currently have no need of the
+ * "usenulls" flag, but it should be kept around; in fact, we should
* extend the pg_aggregate table to let usenulls be specified as an
- * attribute of user-defined aggregates. In the meantime, usenulls
- * is just always set to "false".
+ * attribute of user-defined aggregates. In the meantime, usenulls is
+ * just always set to "false".
*/
aggform = (Form_pg_aggregate) GETSTRUCT(theAggTuple);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/parser/parse_clause.c,v 1.58 2000/03/23 07:38:30 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/parse_clause.c,v 1.59 2000/04/12 17:15:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static char *clauseText[] = {"ORDER BY", "GROUP BY", "DISTINCT ON"};
static TargetEntry *findTargetlistEntry(ParseState *pstate, Node *node,
- List *tlist, int clause);
+ List *tlist, int clause);
static void parseFromClause(ParseState *pstate, List *frmList);
RangeTblEntry *transformTableEntry(ParseState *pstate, RangeVar *r);
static List *addTargetToSortList(TargetEntry *tle, List *sortlist,
- List *targetlist, char *opname);
+ List *targetlist, char *opname);
static bool exprIsInSortList(Node *expr, List *sortList, List *targetList);
#ifndef DISABLE_OUTER_JOINS
static Node *transformUsingClause(ParseState *pstate, List *using, List *left, List *right);
+
#endif
*
* Note that the target is not marked as either inFromCl or inJoinSet.
* For INSERT, we don't want the target to be joined to; it's a
- * destination of tuples, not a source. For UPDATE/DELETE, we do
- * need to scan or join the target. This will happen without the
+ * destination of tuples, not a source. For UPDATE/DELETE, we do
+ * need to scan or join the target. This will happen without the
* inJoinSet flag because the planner's preprocess_targetlist()
* adds the destination's CTID attribute to the targetlist, and
* therefore the destination will be a referenced table even if
Node *
-mergeInnerJoinQuals(ParseState *pstate, Node *clause);
+ mergeInnerJoinQuals(ParseState *pstate, Node *clause);
Node *
mergeInnerJoinQuals(ParseState *pstate, Node *clause)
pstate->p_join_quals = NULL;
return (Node *) expr;
-} /* mergeInnerJoinQuals() */
+} /* mergeInnerJoinQuals() */
/*
* transformWhereClause -
#ifndef DISABLE_JOIN_SYNTAX
char *
-AttrString(Attr *attr);
+ AttrString(Attr *attr);
char *
AttrString(Attr *attr)
{
- Value *val;
+ Value *val;
Assert(length(attr->attrs) == 1);
}
List *
-ListTableAsAttrs(ParseState *pstate, char *table);
+ ListTableAsAttrs(ParseState *pstate, char *table);
List *
ListTableAsAttrs(ParseState *pstate, char *table)
{
- Attr *attr = expandTable(pstate, table, TRUE);
- List *rlist = NIL;
- List *col;
+ Attr *attr = expandTable(pstate, table, TRUE);
+ List *rlist = NIL;
+ List *col;
foreach(col, attr->attrs)
{
- Attr *a = makeAttr(table, strVal((Value *) lfirst(col)));
+ Attr *a = makeAttr(table, strVal((Value *) lfirst(col)));
+
rlist = lappend(rlist, a);
}
}
List *
-makeUniqueAttrList(List *candidates, List *idents);
+ makeUniqueAttrList(List *candidates, List *idents);
List *
makeUniqueAttrList(List *attrs, List *filter)
{
- List *result = NULL;
- List *candidate;
+ List *result = NULL;
+ List *candidate;
foreach(candidate, attrs)
{
- List *fmember;
- bool match = FALSE;
- Attr *cattr = lfirst(candidate);
+ List *fmember;
+ bool match = FALSE;
+ Attr *cattr = lfirst(candidate);
Assert(IsA(cattr, Attr));
Assert(length(cattr->attrs) == 1);
foreach(fmember, filter)
{
- Attr *fattr = lfirst(fmember);
+ Attr *fattr = lfirst(fmember);
+
Assert(IsA(fattr, Attr));
Assert(length(fattr->attrs) == 1);
}
List *
-makeAttrList(Attr *attr);
+ makeAttrList(Attr *attr);
List *
makeAttrList(Attr *attr)
{
- List *result = NULL;
+ List *result = NULL;
- char *name = attr->relname;
- List *col;
+ char *name = attr->relname;
+ List *col;
- foreach (col, attr->attrs)
+ foreach(col, attr->attrs)
{
- Attr *newattr = makeAttr(name, strVal((Value *) lfirst(col)));
+ Attr *newattr = makeAttr(name, strVal((Value *) lfirst(col)));
result = lappend(result, newattr);
}
* with one attribute name per node.
*/
List *
-ExpandAttrs(Attr *attr);
+ ExpandAttrs(Attr *attr);
List *
ExpandAttrs(Attr *attr)
{
- List *col;
- char *relname = attr->relname;
- List *rlist = NULL;
+ List *col;
+ char *relname = attr->relname;
+ List *rlist = NULL;
Assert(attr != NULL);
foreach(col, attr->attrs)
{
- Attr *attr = lfirst(col);
+ Attr *attr = lfirst(col);
rlist = lappend(rlist, makeAttr(relname, AttrString(attr)));
}
foreach(using, usingList)
{
- List *col;
- A_Expr *e;
+ List *col;
+ A_Expr *e;
- Attr *uattr = lfirst(using);
- Attr *lattr = NULL, *rattr = NULL;
+ Attr *uattr = lfirst(using);
+ Attr *lattr = NULL,
+ *rattr = NULL;
- /* find the first instances of this column in the shape list
- * and the last table in the shape list...
+ /*
+ * find the first instances of this column in the shape list and
+ * the last table in the shape list...
*/
- foreach (col, leftList)
+ foreach(col, leftList)
{
- Attr *attr = lfirst(col);
+ Attr *attr = lfirst(col);
if (strcmp(AttrString(attr), AttrString(uattr)) == 0)
{
break;
}
}
- foreach (col, rightList)
+ foreach(col, rightList)
{
- Attr *attr = lfirst(col);
+ Attr *attr = lfirst(col);
if (strcmp(AttrString(attr), AttrString(uattr)) == 0)
{
}
return ((Node *) transformExpr(pstate, (Node *) expr, EXPR_COLUMN_FIRST));
-} /* transformUsiongClause() */
+} /* transformUsiongClause() */
+
#endif
{
RelExpr *baserel = r->relExpr;
char *relname = baserel->relname;
+
#if 0
char *refname;
List *columns;
+
#endif
RangeTblEntry *rte;
if (length(columns) != length(r->name->attrs))
elog(ERROR, "'%s' has %d columns but %d %s specified",
relname, length(columns), length(r->name->attrs),
- ((length(r->name->attrs) != 1)? "aliases": "alias"));
+ ((length(r->name->attrs) != 1) ? "aliases" : "alias"));
aliasList = nconc(aliasList, r->name->attrs);
}
}
}
else
- {
elog(NOTICE, "transformTableEntry: column aliases not handled (internal error)");
- }
#else
elog(ERROR, "Column aliases not yet supported");
#endif
baserel->inh, TRUE, TRUE);
return rte;
-} /* transformTableEntry() */
+} /* transformTableEntry() */
/*
static void
parseFromClause(ParseState *pstate, List *frmList)
{
- List *fl;
+ List *fl;
foreach(fl, frmList)
{
/* Plain vanilla inner join, just like we've always had? */
if (IsA(n, RangeVar))
- {
transformTableEntry(pstate, (RangeVar *) n);
- }
/* A newfangled join expression? */
else if (IsA(n, JoinExpr))
{
#ifndef DISABLE_JOIN_SYNTAX
- RangeTblEntry *l_rte, *r_rte;
- Attr *l_name, *r_name = NULL;
- JoinExpr *j = (JoinExpr *) n;
+ RangeTblEntry *l_rte,
+ *r_rte;
+ Attr *l_name,
+ *r_name = NULL;
+ JoinExpr *j = (JoinExpr *) n;
if (j->alias != NULL)
elog(ERROR, "JOIN table aliases are not supported");
if (IsA(j->larg, JoinExpr))
{
parseFromClause(pstate, lcons(j->larg, NIL));
- l_name = ((JoinExpr *)j->larg)->alias;
+ l_name = ((JoinExpr *) j->larg)->alias;
}
else
{
if (IsA(j->rarg, JoinExpr))
{
parseFromClause(pstate, lcons(j->rarg, NIL));
- l_name = ((JoinExpr *)j->larg)->alias;
+ l_name = ((JoinExpr *) j->larg)->alias;
}
else
{
r_name = expandTable(pstate, r_rte->eref->relname, TRUE);
}
- /* Natural join does not explicitly specify columns; must generate columns to join.
- * Need to run through the list of columns from each table or join result
- * and match up the column names. Use the first table, and check every
- * column in the second table for a match.
+ /*
+ * Natural join does not explicitly specify columns; must
+ * generate columns to join. Need to run through the list of
+ * columns from each table or join result and match up the
+ * column names. Use the first table, and check every column
+ * in the second table for a match.
*/
if (j->isNatural)
{
- List *lx, *rx;
- List *rlist = NULL;
+ List *lx,
+ *rx;
+ List *rlist = NULL;
foreach(lx, l_name->attrs)
{
- Ident *id = NULL;
- Value *l_col = lfirst(lx);
+ Ident *id = NULL;
+ Value *l_col = lfirst(lx);
+
Assert(IsA(l_col, String));
foreach(rx, r_name->attrs)
{
- Value *r_col = lfirst(rx);
+ Value *r_col = lfirst(rx);
+
Assert(IsA(r_col, String));
if (strcmp(strVal(l_col), strVal(r_col)) == 0)
{
/* CROSS JOIN */
if (j->quals == NULL)
- {
printf("CROSS JOIN...\n");
- }
- /* JOIN/USING
- * This is an inner join, so rip apart the join node and
- * transform into a traditional FROM list. NATURAL JOIN
- * and JOIN USING both change the shape of the result.
- * Need to generate a list of result columns to use for
- * target list expansion and validation.
+ /*
+ * JOIN/USING This is an inner join, so rip apart the join
+ * node and transform into a traditional FROM list.
+ * NATURAL JOIN and JOIN USING both change the shape of
+ * the result. Need to generate a list of result columns
+ * to use for target list expansion and validation.
*/
else if (IsA(j->quals, List))
{
+
/*
- * List of Ident nodes means column names from a real USING
- * clause. Determine the shape of the joined table.
+ * List of Ident nodes means column names from a real
+ * USING clause. Determine the shape of the joined
+ * table.
*/
- List *ucols, *ucol;
- List *shape = NULL;
- List *alias = NULL;
- List *l_shape, *r_shape;
+ List *ucols,
+ *ucol;
+ List *shape = NULL;
+ List *alias = NULL;
+ List *l_shape,
+ *r_shape;
- List *l_cols = makeAttrList(l_name);
- List *r_cols = makeAttrList(r_name);
+ List *l_cols = makeAttrList(l_name);
+ List *r_cols = makeAttrList(r_name);
printf("USING input tables are:\n %s\n %s\n",
nodeToString(l_name), nodeToString(r_name));
nodeToString(l_cols), nodeToString(r_cols));
/* Columns from the USING clause... */
- ucols = (List *)j->quals;
+ ucols = (List *) j->quals;
foreach(ucol, ucols)
{
- List *col;
- Attr *l_attr = NULL, *r_attr = NULL;
- Ident *id = lfirst(ucol);
+ List *col;
+ Attr *l_attr = NULL,
+ *r_attr = NULL;
+ Ident *id = lfirst(ucol);
- Attr *attr = makeAttr("", id->name);
+ Attr *attr = makeAttr("", id->name);
foreach(col, l_cols)
{
/* otherwise, must be an expression from an ON clause... */
else
- {
j->quals = (List *) lcons(j->quals, NIL);
- }
pstate->p_join_quals = (Node *) j->quals;
#if 0
/* merge qualified join clauses... */
- if (j->quals != NULL)
- {
- if (*qual != NULL)
+ if (j->quals != NULL)
{
- A_Expr *a = makeNode(A_Expr);
+ if (*qual != NULL)
+ {
+ A_Expr *a = makeNode(A_Expr);
- a->oper = AND;
- a->opname = NULL;
- a->lexpr = (Node *) *qual;
- a->rexpr = (Node *) j->quals;
+ a->oper = AND;
+ a->opname = NULL;
+ a->lexpr = (Node *) *qual;
+ a->rexpr = (Node *) j->quals;
- *qual = (Node *)a;
- }
- else
- {
- *qual = (Node *)j->quals;
+ *qual = (Node *) a;
+ }
+ else
+ *qual = (Node *) j->quals;
}
- }
#endif
#if 0
* then we will need to replace the node with two nodes.
* Will need access to the previous list item to change
* the link pointer to reference these new nodes. Try
- * accumulating and returning a new list.
- * - thomas 1999-01-08 Not doing this yet though!
+ * accumulating and returning a new list. - thomas
+ * 1999-01-08 Not doing this yet though!
*/
}
elog(ERROR, "parseFromClause: unexpected FROM clause node (internal error)"
"\n\t%s", nodeToString(n));
}
-} /* parseFromClause() */
+} /* parseFromClause() */
/*
* Handle two special cases as mandated by the SQL92 spec:
*
* 1. Bare ColumnName (no qualifier or subscripts)
- * For a bare identifier, we search for a matching column name
- * in the existing target list. Multiple matches are an error
+ * For a bare identifier, we search for a matching column name
+ * in the existing target list. Multiple matches are an error
* unless they refer to identical values; for example,
- * we allow SELECT a, a FROM table ORDER BY a
- * but not SELECT a AS b, b FROM table ORDER BY b
+ * we allow SELECT a, a FROM table ORDER BY a
+ * but not SELECT a AS b, b FROM table ORDER BY b
* If no match is found, we fall through and treat the identifier
* as an expression.
* For GROUP BY, it is incorrect to match the grouping item against
* targetlist entries: according to SQL92, an identifier in GROUP BY
* is a reference to a column name exposed by FROM, not to a target
- * list column. However, many implementations (including pre-7.0
+ * list column. However, many implementations (including pre-7.0
* PostgreSQL) accept this anyway. So for GROUP BY, we look first
* to see if the identifier matches any FROM column name, and only
* try for a targetlist name if it doesn't. This ensures that we
* an expression.
*----------
*/
- if (IsA(node, Ident) && ((Ident *) node)->indirection == NIL)
+ if (IsA(node, Ident) &&((Ident *) node)->indirection == NIL)
{
char *name = ((Ident *) node)->name;
if (clause == GROUP_CLAUSE)
{
+
/*
* In GROUP BY, we must prefer a match against a FROM-clause
- * column to one against the targetlist. Look to see if there is
- * a matching column. If so, fall through to let transformExpr()
- * do the rest. NOTE: if name could refer ambiguously to more
- * than one column name exposed by FROM, colnameRangeTableEntry
- * will elog(ERROR). That's just what we want here.
+ * column to one against the targetlist. Look to see if there
+ * is a matching column. If so, fall through to let
+ * transformExpr() do the rest. NOTE: if name could refer
+ * ambiguously to more than one column name exposed by FROM,
+ * colnameRangeTableEntry will elog(ERROR). That's just what
+ * we want here.
*/
if (colnameRangeTableEntry(pstate, name) != NULL)
name = NULL;
{
if (target_result != NULL)
{
- if (! equal(target_result->expr, tle->expr))
+ if (!equal(target_result->expr, tle->expr))
elog(ERROR, "%s '%s' is ambiguous",
clauseText[clause], name);
}
}
}
if (target_result != NULL)
- return target_result; /* return the first match */
+ return target_result; /* return the first match */
}
}
if (IsA(node, A_Const))
int targetlist_pos = 0;
int target_pos;
- if (! IsA(val, Integer))
+ if (!IsA(val, Integer))
elog(ERROR, "Non-integer constant in %s", clauseText[clause]);
target_pos = intVal(val);
foreach(tl, tlist)
if (!resnode->resjunk)
{
if (++targetlist_pos == target_pos)
- return tle; /* return the unique match */
+ return tle; /* return the unique match */
}
}
elog(ERROR, "%s position %d is not in target list",
}
/*
- * Otherwise, we have an expression (this is a Postgres extension
- * not found in SQL92). Convert the untransformed node to a
- * transformed expression, and search for a match in the tlist.
- * NOTE: it doesn't really matter whether there is more than one
- * match. Also, we are willing to match a resjunk target here,
- * though the above cases must ignore resjunk targets.
+ * Otherwise, we have an expression (this is a Postgres extension not
+ * found in SQL92). Convert the untransformed node to a transformed
+ * expression, and search for a match in the tlist. NOTE: it doesn't
+ * really matter whether there is more than one match. Also, we are
+ * willing to match a resjunk target here, though the above cases must
+ * ignore resjunk targets.
*/
expr = transformExpr(pstate, node, EXPR_COLUMN_FIRST);
/*
* If no matches, construct a new target entry which is appended to
- * the end of the target list. This target is given resjunk = TRUE
- * so that it will not be projected into the final tuple.
+ * the end of the target list. This target is given resjunk = TRUE so
+ * that it will not be projected into the final tuple.
*/
target_result = transformTargetEntry(pstate, node, expr, NULL, true);
lappend(tlist, target_result);
targetlist, GROUP_CLAUSE);
/* avoid making duplicate grouplist entries */
- if (! exprIsInSortList(tle->expr, glist, targetlist))
+ if (!exprIsInSortList(tle->expr, glist, targetlist))
{
GroupClause *grpcl = makeNode(GroupClause);
foreach(olitem, orderlist)
{
- SortGroupBy *sortby = lfirst(olitem);
- TargetEntry *tle;
+ SortGroupBy *sortby = lfirst(olitem);
+ TargetEntry *tle;
tle = findTargetlistEntry(pstate, sortby->node,
targetlist, ORDER_CLAUSE);
* transform a DISTINCT or DISTINCT ON clause
*
* Since we may need to add items to the query's sortClause list, that list
- * is passed by reference. We might also need to add items to the query's
+ * is passed by reference. We might also need to add items to the query's
* targetlist, but we assume that cannot be empty initially, so we can
* lappend to it even though the pointer is passed by value.
*/
/*
* All non-resjunk elements from target list that are not already
- * in the sort list should be added to it. (We don't really care
+ * in the sort list should be added to it. (We don't really care
* what order the DISTINCT fields are checked in, so we can leave
- * the user's ORDER BY spec alone, and just add additional sort keys
- * to it to ensure that all targetlist items get sorted.)
+ * the user's ORDER BY spec alone, and just add additional sort
+ * keys to it to ensure that all targetlist items get sorted.)
*/
*sortClause = addAllTargetsToSortList(*sortClause, targetlist);
* Now, DISTINCT list consists of all non-resjunk sortlist items.
* Actually, all the sortlist items had better be non-resjunk!
* Otherwise, user wrote SELECT DISTINCT with an ORDER BY item
- * that does not appear anywhere in the SELECT targetlist, and
- * we can't implement that with only one sorting pass...
+ * that does not appear anywhere in the SELECT targetlist, and we
+ * can't implement that with only one sorting pass...
*/
foreach(slitem, *sortClause)
{
* If the user writes both DISTINCT ON and ORDER BY, then the two
* expression lists must match (until one or the other runs out).
* Otherwise the ORDER BY requires a different sort order than the
- * DISTINCT does, and we can't implement that with only one sort pass
- * (and if we do two passes, the results will be rather unpredictable).
- * However, it's OK to have more DISTINCT ON expressions than ORDER BY
- * expressions; we can just add the extra DISTINCT values to the sort
- * list, much as we did above for ordinary DISTINCT fields.
+ * DISTINCT does, and we can't implement that with only one sort
+ * pass (and if we do two passes, the results will be rather
+ * unpredictable). However, it's OK to have more DISTINCT ON
+ * expressions than ORDER BY expressions; we can just add the
+ * extra DISTINCT values to the sort list, much as we did above
+ * for ordinary DISTINCT fields.
*
* Actually, it'd be OK for the common prefixes of the two lists to
* match in any order, but implementing that check seems like more
{
*sortClause = addTargetToSortList(tle, *sortClause,
targetlist, NULL);
- /* Probably, the tle should always have been added at the
+
+ /*
+ * Probably, the tle should always have been added at the
* end of the sort list ... but search to be safe.
*/
foreach(slitem, *sortClause)
{
TargetEntry *tle = (TargetEntry *) lfirst(i);
- if (! tle->resdom->resjunk)
+ if (!tle->resdom->resjunk)
sortlist = addTargetToSortList(tle, sortlist, targetlist, NULL);
}
return sortlist;
char *opname)
{
/* avoid making duplicate sortlist entries */
- if (! exprIsInSortList(tle->expr, sortlist, targetlist))
+ if (!exprIsInSortList(tle->expr, sortlist, targetlist))
{
SortClause *sortcl = makeNode(SortClause);
Index maxRef;
List *l;
- if (tle->resdom->ressortgroupref) /* already has one? */
+ if (tle->resdom->ressortgroupref) /* already has one? */
return tle->resdom->ressortgroupref;
/* easiest way to pick an unused refnumber: max used + 1 */
maxRef = 0;
foreach(l, tlist)
{
- Index ref = ((TargetEntry *) lfirst(l))->resdom->ressortgroupref;
+ Index ref = ((TargetEntry *) lfirst(l))->resdom->ressortgroupref;
if (ref > maxRef)
maxRef = ref;
else
return NIL;
}
+
#endif
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/parser/parse_coerce.c,v 2.41 2000/04/08 19:29:40 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/parse_coerce.c,v 2.42 2000/04/12 17:15:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
}
else if (inputTypeId == UNKNOWNOID && IsA(node, Const))
{
+
/*
* Input is a string constant with previously undetermined type.
- * Apply the target type's typinput function to it to produce
- * a constant of the target type.
+ * Apply the target type's typinput function to it to produce a
+ * constant of the target type.
*
* NOTE: this case cannot be folded together with the other
* constant-input case, since the typinput function does not
- * necessarily behave the same as a type conversion function.
- * For example, int4's typinput function will reject "1.2",
- * whereas float-to-int type conversion will round to integer.
+ * necessarily behave the same as a type conversion function. For
+ * example, int4's typinput function will reject "1.2", whereas
+ * float-to-int type conversion will round to integer.
*
- * XXX if the typinput function is not cachable, we really ought
- * to postpone evaluation of the function call until runtime.
- * But there is no way to represent a typinput function call as
- * an expression tree, because C-string values are not Datums.
+ * XXX if the typinput function is not cachable, we really ought to
+ * postpone evaluation of the function call until runtime. But
+ * there is no way to represent a typinput function call as an
+ * expression tree, because C-string values are not Datums.
*/
Const *con = (Const *) node;
Const *newcon = makeNode(Const);
newcon->constisnull = con->constisnull;
newcon->constisset = false;
- if (! con->constisnull)
+ if (!con->constisnull)
{
/* We know the source constant is really of type 'text' */
char *val = textout((text *) con->constvalue);
+
newcon->constvalue = stringTypeDatum(targetType, val, atttypmod);
pfree(val);
}
}
else if (IS_BINARY_COMPATIBLE(inputTypeId, targetTypeId))
{
+
/*
- * We don't really need to do a conversion, but we do need to attach
- * a RelabelType node so that the expression will be seen to have
- * the intended type when inspected by higher-level code.
+ * We don't really need to do a conversion, but we do need to
+ * attach a RelabelType node so that the expression will be seen
+ * to have the intended type when inspected by higher-level code.
*/
RelabelType *relabel = makeNode(RelabelType);
relabel->arg = node;
relabel->resulttype = targetTypeId;
+
/*
* XXX could we label result with exprTypmod(node) instead of
* default -1 typmod, to save a possible length-coercion later?
}
else
{
+
/*
* Otherwise, find the appropriate type conversion function
- * (caller should have determined that there is one), and
- * generate an expression tree representing run-time
- * application of the conversion function.
+ * (caller should have determined that there is one), and generate
+ * an expression tree representing run-time application of the
+ * conversion function.
*/
FuncCall *n = makeNode(FuncCall);
Type targetType = typeidType(targetTypeId);
/*
* If the input is a constant, apply the type conversion function
- * now instead of delaying to runtime. (We could, of course,
- * just leave this to be done during planning/optimization;
- * but it's a very frequent special case, and we save cycles
- * in the rewriter if we fold the expression now.)
+ * now instead of delaying to runtime. (We could, of course, just
+ * leave this to be done during planning/optimization; but it's a
+ * very frequent special case, and we save cycles in the rewriter
+ * if we fold the expression now.)
*
- * Note that no folding will occur if the conversion function is
- * not marked 'iscachable'.
+ * Note that no folding will occur if the conversion function is not
+ * marked 'iscachable'.
*
- * HACK: if constant is NULL, don't fold it here. This is needed
- * by make_subplan(), which calls this routine on placeholder Const
- * nodes that mustn't be collapsed. (It'd be a lot cleaner to make
- * a separate node type for that purpose...)
+ * HACK: if constant is NULL, don't fold it here. This is needed by
+ * make_subplan(), which calls this routine on placeholder Const
+ * nodes that mustn't be collapsed. (It'd be a lot cleaner to
+ * make a separate node type for that purpose...)
*/
- if (IsA(node, Const) && ! ((Const *) node)->constisnull)
+ if (IsA(node, Const) &&!((Const *) node)->constisnull)
result = eval_const_expressions(result);
}
/* run through argument list... */
for (i = 0; i < nargs; i++)
{
- Oid inputTypeId = input_typeids[i];
- Oid targetTypeId = func_typeids[i];
+ Oid inputTypeId = input_typeids[i];
+ Oid targetTypeId = func_typeids[i];
/* no problem if same type */
if (inputTypeId == targetTypeId)
return false;
/*
- * If input is an untyped string constant, assume we can
- * convert it to anything except a class type.
+ * If input is an untyped string constant, assume we can convert
+ * it to anything except a class type.
*/
if (inputTypeId == UNKNOWNOID)
{
continue;
/*
- * Else, try for explicit conversion using functions:
- * look for a single-argument function named with the
- * target type name and accepting the source type.
+ * Else, try for explicit conversion using functions: look for a
+ * single-argument function named with the target type name and
+ * accepting the source type.
*/
MemSet(oid_array, 0, FUNC_MAX_ARGS * sizeof(Oid));
oid_array[0] = inputTypeId;
ftup = SearchSysCacheTuple(PROCNAME,
- PointerGetDatum(typeidTypeName(targetTypeId)),
+ PointerGetDatum(typeidTypeName(targetTypeId)),
Int32GetDatum(1),
PointerGetDatum(oid_array),
0);
result = STRING_TYPE;
break;
- /*
- * Kluge added 4/8/00 by tgl: treat the new BIT types as strings,
- * so that 'unknown' || 'unknown' continues to resolve as textcat
- * rather than generating an ambiguous-operator error. Probably
- * BIT types should have their own type category, or maybe they
- * should be numeric? Need a better way of handling unknown types
- * first.
- */
+ /*
+ * Kluge added 4/8/00 by tgl: treat the new BIT types as
+ * strings, so that 'unknown' || 'unknown' continues to
+ * resolve as textcat rather than generating an
+ * ambiguous-operator error. Probably BIT types should have
+ * their own type category, or maybe they should be numeric?
+ * Need a better way of handling unknown types first.
+ */
case (ZPBITOID):
case (VARBITOID):
result = STRING_TYPE;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.75 2000/03/19 07:13:58 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.76 2000/04/12 17:15:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "utils/syscache.h"
-int max_expr_depth = DEFAULT_MAX_EXPR_DEPTH;
+int max_expr_depth = DEFAULT_MAX_EXPR_DEPTH;
static int expr_depth_counter = 0;
static Node *parser_typecast_constant(Value *expr, TypeName *typename);
static Node *parser_typecast_expression(ParseState *pstate,
- Node *expr, TypeName *typename);
+ Node *expr, TypeName *typename);
static Node *transformAttr(ParseState *pstate, Attr *att, int precedence);
static Node *transformIdent(ParseState *pstate, Ident *ident, int precedence);
static Node *transformIndirection(ParseState *pstate, Node *basenode,
- List *indirection);
+ List *indirection);
/*
return NULL;
/*
- * Guard against an overly complex expression leading to coredump
- * due to stack overflow here, or in later recursive routines that
+ * Guard against an overly complex expression leading to coredump due
+ * to stack overflow here, or in later recursive routines that
* traverse expression trees. Note that this is very unlikely to
* happen except with pathological queries; but we don't want someone
* to be able to crash the backend quite that easily...
"nullvalue",
lcons(lexpr, NIL),
false, false,
- &pstate->p_last_resno,
+ &pstate->p_last_resno,
precedence);
}
break;
"nonnullvalue",
lcons(lexpr, NIL),
false, false,
- &pstate->p_last_resno,
+ &pstate->p_last_resno,
precedence);
}
break;
if (sublink->subLinkType == EXISTS_SUBLINK)
{
- /* EXISTS needs no lefthand or combining operator.
+
+ /*
+ * EXISTS needs no lefthand or combining operator.
* These fields should be NIL already, but make sure.
*/
sublink->lefthand = NIL;
{
List *tlist = qtree->targetList;
- /* Make sure the subselect delivers a single column
+ /*
+ * Make sure the subselect delivers a single column
* (ignoring resjunk targets).
*/
if (tlist == NIL ||
elog(ERROR, "Subselect must have a field");
while ((tlist = lnext(tlist)) != NIL)
{
- if (! ((TargetEntry *) lfirst(tlist))->resdom->resjunk)
+ if (!((TargetEntry *) lfirst(tlist))->resdom->resjunk)
elog(ERROR, "Subselect must have only one field");
}
- /* EXPR needs no lefthand or combining operator.
- * These fields should be NIL already, but make sure.
+
+ /*
+ * EXPR needs no lefthand or combining operator. These
+ * fields should be NIL already, but make sure.
*/
sublink->lefthand = NIL;
sublink->oper = NIL;
sublink->oper = NIL;
- /* Scan subquery's targetlist to find values that will be
- * matched against lefthand values. We need to ignore
- * resjunk targets, so doing the outer iteration over
- * right_list is easier than doing it over left_list.
+ /*
+ * Scan subquery's targetlist to find values that will
+ * be matched against lefthand values. We need to
+ * ignore resjunk targets, so doing the outer
+ * iteration over right_list is easier than doing it
+ * over left_list.
*/
while (right_list != NIL)
{
op, typeidTypeName(opform->oprresult),
typeidTypeName(BOOLOID));
- newop = makeOper(oprid(optup),/* opno */
- InvalidOid, /* opid */
+ newop = makeOper(oprid(optup), /* opno */
+ InvalidOid, /* opid */
opform->oprresult,
0,
NULL);
|| ((TypeCategory(wtype) == USER_TYPE)
&& (TypeCategory(c->casetype) == USER_TYPE)))
{
+
/*
- * both types in different categories?
- * then not much hope...
+ * both types in different categories? then
+ * not much hope...
*/
elog(ERROR, "CASE/WHEN types '%s' and '%s' not matched",
typeidTypeName(c->casetype), typeidTypeName(wtype));
else if (IsPreferredType(pcategory, wtype)
&& can_coerce_type(1, &ptype, &wtype))
{
+
/*
- * new one is preferred and can convert?
- * then take it...
+ * new one is preferred and can convert? then
+ * take it...
*/
ptype = wtype;
pcategory = TypeCategory(ptype);
{
if (!c->casetype || c->casetype == UNKNOWNOID)
{
+
/*
* default clause is NULL, so assign preferred
* type from WHEN clauses...
break;
}
- /*
- * Quietly accept node types that may be presented when we are called
- * on an already-transformed tree.
- *
- * Do any other node types need to be accepted? For now we are taking
- * a conservative approach, and only accepting node types that are
- * demonstrably necessary to accept.
- */
+ /*
+ * Quietly accept node types that may be presented when we are
+ * called on an already-transformed tree.
+ *
+ * Do any other node types need to be accepted? For now we are
+ * taking a conservative approach, and only accepting node
+ * types that are demonstrably necessary to accept.
+ */
case T_Expr:
case T_Var:
case T_Const:
Node *result = NULL;
RangeTblEntry *rte;
- /* try to find the ident as a relation ... but not if subscripts appear */
+ /*
+ * try to find the ident as a relation ... but not if subscripts
+ * appear
+ */
if (ident->indirection == NIL &&
refnameRangeTableEntry(pstate, ident->name) != NULL)
{
{
/* Convert it to a fully qualified Attr, and transform that */
Attr *att = makeAttr(rte->eref->relname, ident->name);
+
att->indirection = ident->indirection;
return transformAttr(pstate, att, precedence);
}
Query *qtree = (Query *) sublink->subselect;
TargetEntry *tent;
- if (! qtree || ! IsA(qtree, Query))
+ if (!qtree || !IsA(qtree, Query))
elog(ERROR, "Cannot get type for untransformed sublink");
tent = (TargetEntry *) lfirst(qtree->targetList);
type = tent->resdom->restype;
case T_Const:
{
/* Be smart about string constants... */
- Const *con = (Const *) expr;
+ Const *con = (Const *) expr;
+
switch (con->consttype)
{
case BPCHAROID:
- if (! con->constisnull)
+ if (!con->constisnull)
return VARSIZE(DatumGetPointer(con->constvalue));
break;
default:
break;
case T_Expr:
{
- int32 coercedTypmod;
+ int32 coercedTypmod;
/* Be smart about length-coercion functions... */
if (exprIsLengthCoercion(expr, &coercedTypmod))
/* Is it a function-call at all? */
if (expr == NULL ||
- ! IsA(expr, Expr) ||
+ !IsA(expr, Expr) ||
((Expr *) expr)->opType != FUNC_EXPR)
return false;
func = (Func *) (((Expr *) expr)->oper);
/*
* If it's not a two-argument function with the second argument being
- * an int4 constant, it can't have been created from a length coercion.
+ * an int4 constant, it can't have been created from a length
+ * coercion.
*/
if (length(((Expr *) expr)->args) != 2)
return false;
second_arg = (Const *) lsecond(((Expr *) expr)->args);
- if (! IsA(second_arg, Const) ||
+ if (!IsA(second_arg, Const) ||
second_arg->consttype != INT4OID ||
second_arg->constisnull)
return false;
procStruct = (Form_pg_proc) GETSTRUCT(tup);
/*
- * It must be a function with two arguments where the first is of
- * the same type as the return value and the second is an int4.
- * Also, just to be sure, check return type agrees with expr node.
+ * It must be a function with two arguments where the first is of the
+ * same type as the return value and the second is an int4. Also, just
+ * to be sure, check return type agrees with expr node.
*/
if (procStruct->pronargs != 2 ||
procStruct->prorettype != procStruct->proargtypes[0] ||
return false;
/*
- * Furthermore, the name of the function must be the same
- * as the argument/result type's name.
+ * Furthermore, the name of the function must be the same as the
+ * argument/result type's name.
*/
tup = SearchSysCacheTuple(TYPEOID,
ObjectIdGetDatum(procStruct->prorettype),
if (typename->arrayBounds != NIL)
{
- char type_string[NAMEDATALEN+2];
+ char type_string[NAMEDATALEN + 2];
sprintf(type_string, "_%s", typename->name);
tp = (Type) typenameType(type_string);
if (typename->arrayBounds != NIL)
{
- char type_string[NAMEDATALEN+2];
+ char type_string[NAMEDATALEN + 2];
sprintf(type_string, "_%s", typename->name);
tp = (Type) typenameType(type_string);
typeidTypeName(inputType),
typeidTypeName(targetType));
}
+
/*
- * If the target is a fixed-length type, it may need a length
- * coercion as well as a type coercion.
+ * If the target is a fixed-length type, it may need a length coercion
+ * as well as a type coercion.
*/
expr = coerce_type_typmod(pstate, expr,
targetType, typename->typmod);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/parser/parse_func.c,v 1.77 2000/03/23 07:38:30 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/parse_func.c,v 1.78 2000/04/12 17:15:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static int find_inheritors(Oid relid, Oid **supervec);
static CandidateList func_get_candidates(char *funcname, int nargs);
-static bool func_get_detail(char *funcname,
- int nargs,
- Oid *oid_array,
- Oid *funcid, /* return value */
- Oid *rettype, /* return value */
- bool *retset, /* return value */
- Oid **true_typeids);
+static bool
+func_get_detail(char *funcname,
+ int nargs,
+ Oid *oid_array,
+ Oid *funcid, /* return value */
+ Oid *rettype, /* return value */
+ bool *retset, /* return value */
+ Oid **true_typeids);
static Oid **gen_cross_product(InhPaths *arginh, int nargs);
static void make_arguments(ParseState *pstate,
int nargs,
HeapTuple tup;
Form_pg_aggregate agg;
int ncandidates = 0;
- ScanKeyData aggKey[1];
+ ScanKeyData aggKey[1];
*candidates = NULL;
current_category;
/*
- * First look for exact matches or binary compatible matches.
- * (Of course exact matches shouldn't even get here, but anyway.)
+ * First look for exact matches or binary compatible matches. (Of
+ * course exact matches shouldn't even get here, but anyway.)
*/
ncandidates = 0;
last_candidate = NULL;
current_typeid = current_candidate->args[0];
if (current_typeid == typeid
- || IS_BINARY_COMPATIBLE(current_typeid, typeid))
+ || IS_BINARY_COMPATIBLE(current_typeid, typeid))
{
last_candidate = current_candidate;
ncandidates++;
- }
- }
+ }
+ }
if (ncandidates == 1)
return last_candidate->args[0];
/*
- * If no luck that way, look for candidates which allow coercion
- * and have a preferred type. Keep all candidates if none match.
+ * If no luck that way, look for candidates which allow coercion and
+ * have a preferred type. Keep all candidates if none match.
*/
category = TypeCategory(typeid);
ncandidates = 0;
if (nargs == 1 && !must_be_agg)
{
/* Is it a plain Relation name from the parser? */
- if (IsA(first_arg, Ident) && ((Ident *) first_arg)->isRel)
+ if (IsA(first_arg, Ident) &&((Ident *) first_arg)->isRel)
{
Ident *ident = (Ident *) first_arg;
RangeTblEntry *rte;
- AttrNumber attnum;
+ AttrNumber attnum;
/*
* first arg is a relation. This could be a projection.
makeAttr(refname, NULL),
FALSE, FALSE, TRUE);
#ifdef WARN_FROM
- elog(NOTICE,"Adding missing FROM-clause entry%s for table %s",
- pstate->parentParseState != NULL ? " in subquery" : "",
- refname);
+ elog(NOTICE, "Adding missing FROM-clause entry%s for table %s",
+ pstate->parentParseState != NULL ? " in subquery" : "",
+ refname);
#endif
}
/*
* If the attr isn't a set, just make a var for it. If it is
- * a set, treat it like a function and drop through.
- * Look through the explicit column list first, since we
- * now allow column aliases.
- * - thomas 2000-02-07
+ * a set, treat it like a function and drop through. Look
+ * through the explicit column list first, since we now allow
+ * column aliases. - thomas 2000-02-07
*/
if (rte->eref->attrs != NULL)
{
- List *c;
- /* start counting attributes/columns from one.
- * zero is reserved for InvalidAttrNumber.
- * - thomas 2000-01-27
+ List *c;
+
+ /*
+ * start counting attributes/columns from one. zero is
+ * reserved for InvalidAttrNumber. - thomas 2000-01-27
*/
- int i = 1;
- foreach (c, rte->eref->attrs)
+ int i = 1;
+
+ foreach(c, rte->eref->attrs)
{
- char *colname = strVal(lfirst(c));
+ char *colname = strVal(lfirst(c));
+
/* found a match? */
if (strcmp(colname, funcname) == 0)
{
- char *basename = get_attname(relid, i);
+ char *basename = get_attname(relid, i);
if (basename != NULL)
{
funcname = basename;
attnum = i;
}
- /* attnum was initialized to InvalidAttrNumber
- * earlier, so no need to reset it if the
- * above test fails. - thomas 2000-02-07
+
+ /*
+ * attnum was initialized to InvalidAttrNumber
+ * earlier, so no need to reset it if the above
+ * test fails. - thomas 2000-02-07
*/
break;
}
attnum = specialAttNum(funcname);
}
else
- {
attnum = get_attnum(relid, funcname);
- }
if (attnum != InvalidAttrNumber)
{
}
else if (ISCOMPLEX(exprType(first_arg)))
{
+
/*
* Attempt to handle projection of a complex argument. If
* ParseComplexProjection can't handle the projection, we have
if (nargs == 1 || must_be_agg)
{
+
/*
* See if it's an aggregate.
*/
elog(ERROR, "Aggregate functions may only have one parameter");
/*
- * the aggregate COUNT is a special case, ignore its base
- * type. Treat it as zero. XXX mighty ugly --- FIXME
+ * the aggregate COUNT is a special case, ignore its base type.
+ * Treat it as zero. XXX mighty ugly --- FIXME
*/
if (strcmp(funcname, "count") == 0)
basetype = 0;
if (must_be_agg)
{
+
/*
* No matching agg, but we had '*' or DISTINCT, so a plain
* function could not have been meant.
{
Node *arg = lfirst(i);
- if (IsA(arg, Ident) && ((Ident *) arg)->isRel)
+ if (IsA(arg, Ident) &&((Ident *) arg)->isRel)
{
RangeTblEntry *rte;
int vnum;
makeAttr(refname, NULL),
FALSE, FALSE, TRUE);
#ifdef WARN_FROM
- elog(NOTICE,"Adding missing FROM-clause entry%s for table %s",
- pstate->parentParseState != NULL ? " in subquery" : "",
- refname);
+ elog(NOTICE, "Adding missing FROM-clause entry%s for table %s",
+ pstate->parentParseState != NULL ? " in subquery" : "",
+ refname);
#endif
}
lfirst(i) = makeVar(vnum, 0, toid, -1, sublevels_up);
}
else if (!attisset)
- {
toid = exprType(arg);
- }
else
{
/* if attisset is true, we already set toid for the single arg */
}
- /* Most of the rest of the parser just assumes that functions do not
- * have more than FUNC_MAX_ARGS parameters. We have to test here
- * to protect against array overruns, etc.
+ /*
+ * Most of the rest of the parser just assumes that functions do
+ * not have more than FUNC_MAX_ARGS parameters. We have to test
+ * here to protect against array overruns, etc.
*/
if (nargs >= FUNC_MAX_ARGS)
elog(ERROR, "Cannot pass more than %d arguments to a function",
&rettype, &retset, &true_oid_array);
if (!exists)
{
+
/*
- * If we can't find a function (or can't find a unique function),
- * see if this is really a type-coercion request: single-argument
- * function call where the function name is a type name. If so,
- * and if we can do the coercion trivially, just go ahead and do
- * it without requiring there to be a real function for it.
+ * If we can't find a function (or can't find a unique
+ * function), see if this is really a type-coercion request:
+ * single-argument function call where the function name is a
+ * type name. If so, and if we can do the coercion trivially,
+ * just go ahead and do it without requiring there to be a
+ * real function for it.
*
* "Trivial" coercions are ones that involve binary-compatible
* types and ones that are coercing a previously-unknown-type
* literal constant to a specific type.
*
* DO NOT try to generalize this code to nontrivial coercions,
- * because you'll just set up an infinite recursion between this
- * routine and coerce_type! We have already failed to find a
- * suitable "real" coercion function, so we have to fail unless
- * this is a coercion that coerce_type can handle by itself.
- * Make sure this code stays in sync with what coerce_type does!
+ * because you'll just set up an infinite recursion between
+ * this routine and coerce_type! We have already failed to
+ * find a suitable "real" coercion function, so we have to
+ * fail unless this is a coercion that coerce_type can handle
+ * by itself. Make sure this code stays in sync with what
+ * coerce_type does!
*/
if (nargs == 1)
{
0, 0, 0);
if (HeapTupleIsValid(tp))
{
- Oid sourceType = oid_array[0];
- Oid targetType = typeTypeId(tp);
- Node *arg1 = lfirst(fargs);
+ Oid sourceType = oid_array[0];
+ Oid targetType = typeTypeId(tp);
+ Node *arg1 = lfirst(fargs);
if ((sourceType == UNKNOWNOID && IsA(arg1, Const)) ||
sourceType == targetType ||
IS_BINARY_COMPATIBLE(sourceType, targetType))
{
- /* Ah-hah, we can do it as a trivial coercion.
+
+ /*
+ * Ah-hah, we can do it as a trivial coercion.
* coerce_type can handle these cases, so why
* duplicate code...
*/
*/
if (nargs == 1)
{
- Type tp = typeidType(oid_array[0]);
+ Type tp = typeidType(oid_array[0]);
+
if (typeTypeFlag(tp) == 'c')
elog(ERROR, "No such attribute or function '%s'",
funcname);
current_type;
/*
- * Run through all candidates and keep those with the most matches
- * on exact types. Keep all candidates if none match.
+ * Run through all candidates and keep those with the most matches on
+ * exact types. Keep all candidates if none match.
*/
ncandidates = 0;
nbestMatch = 0;
return candidates->args;
/*
- * Still too many candidates?
- * Run through all candidates and keep those with the most matches
- * on exact types + binary-compatible types.
- * Keep all candidates if none match.
+ * Still too many candidates? Run through all candidates and keep
+ * those with the most matches on exact types + binary-compatible
+ * types. Keep all candidates if none match.
*/
ncandidates = 0;
nbestMatch = 0;
return candidates->args;
/*
- * Still too many candidates?
- * Now look for candidates which are preferred types at the args that
- * will require coercion.
- * Keep all candidates if none match.
+ * Still too many candidates? Now look for candidates which are
+ * preferred types at the args that will require coercion. Keep all
+ * candidates if none match.
*/
ncandidates = 0;
nbestMatch = 0;
return candidates->args;
/*
- * Still too many candidates?
- * Try assigning types for the unknown columns.
+ * Still too many candidates? Try assigning types for the unknown
+ * columns.
*
- * We do this by examining each unknown argument position to see if all the
- * candidates agree on the type category of that slot. If so, and if some
- * candidates accept the preferred type in that category, eliminate the
- * candidates with other input types. If we are down to one candidate
- * at the end, we win.
+ * We do this by examining each unknown argument position to see if all
+ * the candidates agree on the type category of that slot. If so, and
+ * if some candidates accept the preferred type in that category,
+ * eliminate the candidates with other input types. If we are down to
+ * one candidate at the end, we win.
*
* XXX It's kinda bogus to do this left-to-right, isn't it? If we
- * eliminate some candidates because they are non-preferred at the first
- * slot, we won't notice that they didn't have the same type category for
- * a later slot.
+ * eliminate some candidates because they are non-preferred at the
+ * first slot, we won't notice that they didn't have the same type
+ * category for a later slot.
*/
for (i = 0; i < nargs; i++)
{
last_candidate = current_candidate;
}
}
- if (last_candidate) /* terminate rebuilt list */
+ if (last_candidate) /* terminate rebuilt list */
last_candidate->next = NULL;
}
}
}
else
{
- /* didn't find an exact match, so now try to match up candidates... */
+
+ /*
+ * didn't find an exact match, so now try to match up
+ * candidates...
+ */
CandidateList function_typeids;
function_typeids = func_get_candidates(funcname, nargs);
0);
Assert(HeapTupleIsValid(ftup));
}
- /* otherwise, ambiguous function call, so fail by
+
+ /*
+ * otherwise, ambiguous function call, so fail by
* exiting loop with ftup still NULL.
*/
break;
/*
* No match here, so try the next inherited type vector.
- * First time through, we need to compute the list of vectors.
+ * First time through, we need to compute the list of
+ * vectors.
*/
if (input_typeid_vector == NULL)
input_typeid_vector = argtype_inherit(nargs, oid_array);
/*
* Use queue to do a breadth-first traversal of the inheritance graph
- * from the relid supplied up to the root. At the top of the loop,
- * relid is the OID of the reltype to check next, queue is the list
- * of pending rels to check after this one, and visited is the list
- * of relids we need to output.
+ * from the relid supplied up to the root. At the top of the loop,
+ * relid is the OID of the reltype to check next, queue is the list of
+ * pending rels to check after this one, and visited is the list of
+ * relids we need to output.
*/
do
{
{
relid = lfirsti(queue);
queue = lnext(queue);
- if (! intMember(relid, visited))
+ if (!intMember(relid, visited))
{
newrelid = true;
break;
relid = lfirsti(elt);
rd = heap_open(relid, NoLock);
- if (! RelationIsValid(rd))
+ if (!RelationIsValid(rd))
elog(ERROR, "Relid %u does not exist", relid);
trelid = typeTypeId(typenameType(RelationGetRelationName(rd)));
heap_close(rd, NoLock);
*supervec = (Oid *) NULL;
freeList(visited);
- /* there doesn't seem to be any equally easy way to release the queue
+
+ /*
+ * there doesn't seem to be any equally easy way to release the queue
* list cells, but since they're palloc'd space it's not critical.
*/
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/parser/parse_node.c,v 1.38 2000/02/24 01:59:17 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/parse_node.c,v 1.39 2000/04/12 17:15:27 momjian Exp $
*
*-------------------------------------------------------------------------
*/
*
* In an array assignment, we are given a destination array value plus a
* source value that is to be assigned to a single element or a slice of
- * that array. We produce an expression that represents the new array value
+ * that array. We produce an expression that represents the new array value
* with the source data inserted into the right part of the array.
*
* pstate Parse state
* forceSlice If true, treat subscript as array slice in all cases
* assignFrom NULL for array fetch, else transformed expression for source.
*/
-ArrayRef *
+ArrayRef *
transformArraySubscripts(ParseState *pstate,
Node *arrayBase,
List *indirection,
/*
* A list containing only single subscripts refers to a single array
* element. If any of the items are double subscripts (lower:upper),
- * then the subscript expression means an array slice operation.
- * In this case, we supply a default lower bound of 1 for any items
- * that contain only a single subscript.
- * The forceSlice parameter forces us to treat the operation as a
- * slice, even if no lower bounds are mentioned. Otherwise,
- * we have to prescan the indirection list to see if there are any
- * double subscripts.
+ * then the subscript expression means an array slice operation. In
+ * this case, we supply a default lower bound of 1 for any items that
+ * contain only a single subscript. The forceSlice parameter forces us
+ * to treat the operation as a slice, even if no lower bounds are
+ * mentioned. Otherwise, we have to prescan the indirection list to
+ * see if there are any double subscripts.
*/
- if (! isSlice)
+ if (!isSlice)
{
- foreach (idx, indirection)
+ foreach(idx, indirection)
{
A_Indices *ai = (A_Indices *) lfirst(idx);
+
if (ai->lidx != NULL)
{
isSlice = true;
}
}
- /* The type represented by the subscript expression is the element type
- * if we are fetching a single element, but it is the same as the array
- * type if we are fetching a slice or storing.
+ /*
+ * The type represented by the subscript expression is the element
+ * type if we are fetching a single element, but it is the same as the
+ * array type if we are fetching a slice or storing.
*/
if (isSlice || assignFrom != NULL)
typeresult = typearray;
/*
* Transform the subscript expressions.
*/
- foreach (idx, indirection)
+ foreach(idx, indirection)
{
A_Indices *ai = (A_Indices *) lfirst(idx);
Node *subexpr;
sizeof(int32),
Int32GetDatum(1),
false,
- true, /* pass by value */
+ true, /* pass by value */
false,
false);
}
if (assignFrom == NULL)
elog(ERROR, "Array assignment requires type '%s'"
" but expression is of type '%s'"
- "\n\tYou will need to rewrite or cast the expression",
+ "\n\tYou will need to rewrite or cast the expression",
typeidTypeName(typeneeded),
typeidTypeName(typesource));
}
aref = makeNode(ArrayRef);
aref->refattrlength = type_struct_array->typlen;
aref->refelemlength = type_struct_element->typlen;
- aref->refelemtype = typeresult; /* XXX should save element type too */
+ aref->refelemtype = typeresult; /* XXX should save element type
+ * too */
aref->refelembyval = type_struct_element->typbyval;
aref->refupperindexpr = upperIndexpr;
aref->reflowerindexpr = lowerIndexpr;
* resolution that we're not sure that it should be considered text.
* Explicit "NULL" constants are also typed as UNKNOWN.
*
- * For integers and floats we produce int4, float8, or numeric depending
+ * For integers and floats we produce int4, float8, or numeric depending
* on the value of the number. XXX In some cases it would be nice to take
* context into account when determining the type to convert to, but in
* other cases we can't delay the type choice. One possibility is to invent
case T_String:
val = PointerGetDatum(textin(strVal(value)));
- typeid = UNKNOWNOID; /* will be coerced later */
+ typeid = UNKNOWNOID;/* will be coerced later */
typelen = -1; /* variable len */
typebyval = false;
break;
/*
* Decide whether a T_Float value fits in float8, or must be treated as
- * type "numeric". We check the number of digits and check for overflow/
+ * type "numeric". We check the number of digits and check for overflow/
* underflow. (With standard compilation options, Postgres' NUMERIC type
* can handle decimal exponents up to 1000, considerably more than most
* implementations of float8, so this is a sensible test.)
static bool
fitsInFloat(Value *value)
{
- const char *ptr;
- int ndigits;
- char *endptr;
+ const char *ptr;
+ int ndigits;
+ char *endptr;
/*
* Count digits, ignoring leading zeroes (but not trailing zeroes).
}
if (ndigits > DBL_DIG)
return false;
+
/*
* Use strtod() to check for overflow/underflow.
*/
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/parser/parse_oper.c,v 1.39 2000/03/19 00:19:39 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/parse_oper.c,v 1.40 2000/04/12 17:15:27 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static Operator oper_exact(char *op, Oid arg1, Oid arg2);
static Operator oper_inexact(char *op, Oid arg1, Oid arg2);
static int binary_oper_get_candidates(char *opname,
- CandidateList *candidates);
+ CandidateList *candidates);
static int unary_oper_get_candidates(char *opname,
- CandidateList *candidates,
- char rightleft);
+ CandidateList *candidates,
+ char rightleft);
static void op_error(char *op, Oid arg1, Oid arg2);
static void unary_op_error(char *op, Oid arg, bool is_left_op);
return candidates->args;
/*
- * Run through all candidates and keep those with the most matches
- * on exact types. Keep all candidates if none match.
+ * Run through all candidates and keep those with the most matches on
+ * exact types. Keep all candidates if none match.
*/
ncandidates = 0;
nbestMatch = 0;
return candidates->args;
/*
- * Still too many candidates?
- * Run through all candidates and keep those with the most matches
- * on exact types + binary-compatible types.
- * Keep all candidates if none match.
+ * Still too many candidates? Run through all candidates and keep
+ * those with the most matches on exact types + binary-compatible
+ * types. Keep all candidates if none match.
*/
ncandidates = 0;
nbestMatch = 0;
return candidates->args;
/*
- * Still too many candidates?
- * Now look for candidates which are preferred types at the args that
- * will require coercion.
- * Keep all candidates if none match.
+ * Still too many candidates? Now look for candidates which are
+ * preferred types at the args that will require coercion. Keep all
+ * candidates if none match.
*/
ncandidates = 0;
nbestMatch = 0;
return candidates->args;
/*
- * Still too many candidates?
- * Try assigning types for the unknown columns.
+ * Still too many candidates? Try assigning types for the unknown
+ * columns.
*
* First try: if we have an unknown and a non-unknown input, see whether
- * there is a candidate all of whose input types are the same as the known
- * input type (there can be at most one such candidate). If so, use that
- * candidate. NOTE that this is cool only because operators can't
- * have more than 2 args, so taking the last non-unknown as current_type
- * can yield only one possibility if there is also an unknown.
+ * there is a candidate all of whose input types are the same as the
+ * known input type (there can be at most one such candidate). If so,
+ * use that candidate. NOTE that this is cool only because operators
+ * can't have more than 2 args, so taking the last non-unknown as
+ * current_type can yield only one possibility if there is also an
+ * unknown.
*/
unknownOids = FALSE;
current_type = UNKNOWNOID;
}
/*
- * Second try: examine each unknown argument position to see if all the
- * candidates agree on the type category of that slot. If so, and if some
- * candidates accept the preferred type in that category, eliminate the
- * candidates with other input types. If we are down to one candidate
- * at the end, we win.
+ * Second try: examine each unknown argument position to see if all
+ * the candidates agree on the type category of that slot. If so, and
+ * if some candidates accept the preferred type in that category,
+ * eliminate the candidates with other input types. If we are down to
+ * one candidate at the end, we win.
*
* XXX It's kinda bogus to do this left-to-right, isn't it? If we
- * eliminate some candidates because they are non-preferred at the first
- * slot, we won't notice that they didn't have the same type category for
- * a later slot.
+ * eliminate some candidates because they are non-preferred at the
+ * first slot, we won't notice that they didn't have the same type
+ * category for a later slot.
*/
for (i = 0; i < nargs; i++)
{
last_candidate = current_candidate;
}
}
- if (last_candidate) /* terminate rebuilt list */
+ if (last_candidate) /* terminate rebuilt list */
last_candidate->next = NULL;
}
}
{
}
else if (!noWarnings)
- {
op_error(opname, ltypeId, rtypeId);
- }
return (Operator) tup;
} /* oper() */
/* Try for inexact matches */
ncandidates = unary_oper_get_candidates(op, &candidates, 'r');
if (ncandidates == 0)
- {
unary_op_error(op, arg, FALSE);
- }
else if (ncandidates == 1)
{
tup = SearchSysCacheTuple(OPERNAME,
PointerGetDatum(op),
- ObjectIdGetDatum(candidates->args[0]),
+ ObjectIdGetDatum(candidates->args[0]),
ObjectIdGetDatum(InvalidOid),
CharGetDatum('r'));
}
/* Try for inexact matches */
ncandidates = unary_oper_get_candidates(op, &candidates, 'l');
if (ncandidates == 0)
- {
unary_op_error(op, arg, TRUE);
- }
else if (ncandidates == 1)
{
tup = SearchSysCacheTuple(OPERNAME,
PointerGetDatum(op),
ObjectIdGetDatum(InvalidOid),
- ObjectIdGetDatum(candidates->args[0]),
+ ObjectIdGetDatum(candidates->args[0]),
CharGetDatum('l'));
}
else
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/parser/parse_relation.c,v 1.39 2000/03/23 07:38:30 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/parse_relation.c,v 1.40 2000/04/12 17:15:27 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* - thomas 2000-03-04
*/
List *
-refnameRangeTableEntries(ParseState *pstate, char *refname);
+ refnameRangeTableEntries(ParseState *pstate, char *refname);
List *
refnameRangeTableEntries(ParseState *pstate, char *refname)
}
/* given refname, return RT index (starting with 1) of the relation,
- * and optionally get its nesting depth (0 = current). If sublevels_up
+ * and optionally get its nesting depth (0 = current). If sublevels_up
* is NULL, only consider rels at the current nesting level.
*/
int
if (rte->eref->attrs != NULL)
{
- List *c;
- foreach (c, rte->ref->attrs)
+ List *c;
+
+ foreach(c, rte->ref->attrs)
{
if (strcmp(strVal(lfirst(c)), colname) == 0)
{
}
}
- /* Even if we have an attribute list in the RTE,
- * look for the column here anyway. This is the only
- * way we will find implicit columns like "oid".
- * - thomas 2000-02-07
+ /*
+ * Even if we have an attribute list in the RTE, look for the
+ * column here anyway. This is the only way we will find
+ * implicit columns like "oid". - thomas 2000-02-07
*/
if ((rte_candidate == NULL)
&& (get_attnum(rte->relid, colname) != InvalidAttrNumber))
- {
rte_candidate = rte;
- }
if (rte_candidate == NULL)
continue;
bool inFromCl,
bool inJoinSet)
{
- Relation rel;
- RangeTblEntry *rte;
- Attr *eref;
- int maxattrs;
- int sublevels_up;
- int varattno;
+ Relation rel;
+ RangeTblEntry *rte;
+ Attr *eref;
+ int maxattrs;
+ int sublevels_up;
+ int varattno;
/* Look for an existing rte, if available... */
if (pstate != NULL)
{
- int rt_index = refnameRangeTablePosn(pstate, ref->relname,
- &sublevels_up);
+ int rt_index = refnameRangeTablePosn(pstate, ref->relname,
+ &sublevels_up);
if (rt_index != 0 && (!inFromCl || sublevels_up == 0))
{
rte->relname = relname;
rte->ref = ref;
- /* Get the rel's OID. This access also ensures that we have an
- * up-to-date relcache entry for the rel. We don't need to keep
- * it open, however.
- * Since this is open anyway, let's check that the number of column
- * aliases is reasonable.
- * - Thomas 2000-02-04
+ /*
+ * Get the rel's OID. This access also ensures that we have an
+ * up-to-date relcache entry for the rel. We don't need to keep it
+ * open, however. Since this is open anyway, let's check that the
+ * number of column aliases is reasonable. - Thomas 2000-02-04
*/
rel = heap_openr(relname, AccessShareLock);
rte->relid = RelationGetRelid(rel);
rte->eref = eref;
/*
- * Flags:
- * - this RTE should be expanded to include descendant tables,
- * - this RTE is in the FROM clause,
- * - this RTE should be included in the planner's final join.
+ * Flags: - this RTE should be expanded to include descendant tables,
+ * - this RTE is in the FROM clause, - this RTE should be included in
+ * the planner's final join.
*/
rte->inh = inh;
rte->inFromCl = inFromCl;
Attr *
expandTable(ParseState *pstate, char *refname, bool getaliases)
{
- Attr *attr;
- RangeTblEntry *rte;
- Relation rel;
+ Attr *attr;
+ RangeTblEntry *rte;
+ Relation rel;
int varattno,
maxattrs;
rte = refnameRangeTableEntry(pstate, refname);
if (getaliases && (rte != NULL))
- {
return rte->eref;
- }
if (rte != NULL)
rel = heap_open(rte->relid, AccessShareLock);
#ifdef _DROP_COLUMN_HACK__
if (COLUMN_IS_DROPPED(rel->rd_att->attrs[varattno]))
continue;
-#endif /* _DROP_COLUMN_HACK__ */
+#endif /* _DROP_COLUMN_HACK__ */
attrname = pstrdup(NameStr(rel->rd_att->attrs[varattno]->attname));
attr->attrs = lappend(attr->attrs, makeString(attrname));
}
List *
expandAll(ParseState *pstate, char *relname, Attr *ref, int *this_resno)
{
- List *te_list = NIL;
- RangeTblEntry *rte;
- Relation rel;
- int varattno,
- maxattrs;
+ List *te_list = NIL;
+ RangeTblEntry *rte;
+ Relation rel;
+ int varattno,
+ maxattrs;
rte = refnameRangeTableEntry(pstate, ref->relname);
if (rte == NULL)
rte = addRangeTableEntry(pstate, relname, ref,
FALSE, FALSE, TRUE);
#ifdef WARN_FROM
- elog(NOTICE,"Adding missing FROM-clause entry%s for table %s",
- pstate->parentParseState != NULL ? " in subquery" : "",
- refname);
+ elog(NOTICE, "Adding missing FROM-clause entry%s for table %s",
+ pstate->parentParseState != NULL ? " in subquery" : "",
+ refname);
#endif
}
for (varattno = 0; varattno < maxattrs; varattno++)
{
- char *attrname;
- char *label;
- Var *varnode;
- TargetEntry *te = makeNode(TargetEntry);
+ char *attrname;
+ char *label;
+ Var *varnode;
+ TargetEntry *te = makeNode(TargetEntry);
#ifdef _DROP_COLUMN_HACK__
if (COLUMN_IS_DROPPED(rel->rd_att->attrs[varattno]))
continue;
-#endif /* _DROP_COLUMN_HACK__ */
+#endif /* _DROP_COLUMN_HACK__ */
attrname = pstrdup(NameStr(rel->rd_att->attrs[varattno]->attname));
- /* varattno is zero-based, so check that length() is always greater */
+ /*
+ * varattno is zero-based, so check that length() is always
+ * greater
+ */
if (length(rte->eref->attrs) > varattno)
label = pstrdup(strVal(nth(varattno, rte->eref->attrs)));
else
/* on failure */
elog(ERROR, "Relation '%s' does not have attribute '%s'",
RelationGetRelationName(rd), a);
- return InvalidAttrNumber; /* lint */
+ return InvalidAttrNumber; /* lint */
}
/* specialAttNum()
*/
return rd->rd_att->attrs[attid - 1]->atttypid;
}
-
-
-
-
-
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/parser/parse_target.c,v 1.57 2000/03/14 23:06:33 thomas Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/parse_target.c,v 1.58 2000/04/12 17:15:27 momjian Exp $
*
*-------------------------------------------------------------------------
*/
if (colname == NULL)
{
- /* Generate a suitable column name for a column without any
+
+ /*
+ * Generate a suitable column name for a column without any
* explicit 'AS ColumnName' clause.
*/
colname = FigureColname(expr, node);
if (att->relname != NULL && strcmp(att->relname, "*") == 0)
{
+
/*
- * Target item is a single '*', expand all tables
- * (eg. SELECT * FROM emp)
+ * Target item is a single '*', expand all tables (eg.
+ * SELECT * FROM emp)
*/
if (pstate->p_shape != NULL)
{
- List *s, *a;
- int i;
+ List *s,
+ *a;
+ int i;
Assert(length(pstate->p_shape) == length(pstate->p_alias));
a = pstate->p_alias;
for (i = 0; i < length(pstate->p_shape); i++)
{
- TargetEntry *te;
- char *colname;
- Attr *shape = lfirst(s);
- Attr *alias = lfirst(a);
+ TargetEntry *te;
+ char *colname;
+ Attr *shape = lfirst(s);
+ Attr *alias = lfirst(a);
- Assert(IsA(shape, Attr) && IsA(alias, Attr));
+ Assert(IsA(shape, Attr) &&IsA(alias, Attr));
colname = strVal(lfirst(alias->attrs));
te = transformTargetEntry(pstate, (Node *) shape,
else if (att->attrs != NIL &&
strcmp(strVal(lfirst(att->attrs)), "*") == 0)
{
+
/*
- * Target item is relation.*, expand that table
- * (eg. SELECT emp.*, dname FROM emp, dept)
+ * Target item is relation.*, expand that table (eg.
+ * SELECT emp.*, dname FROM emp, dept)
*/
p_target = nconc(p_target,
expandAll(pstate, att->relname,
/*
* updateTargetListEntry()
- * This is used in INSERT and UPDATE statements only. It prepares a
+ * This is used in INSERT and UPDATE statements only. It prepares a
* TargetEntry for assignment to a column of the target table.
* This includes coercing the given value to the target column's type
* (if necessary), and dealing with any subscripts attached to the target
int attrno,
List *indirection)
{
- Oid type_id = exprType(tle->expr); /* type of value provided */
+ Oid type_id = exprType(tle->expr); /* type of value provided */
Oid attrtype; /* type of target column */
int32 attrtypmod;
Resdom *resnode = tle->resdom;
attrtypmod = rd->rd_att->attrs[attrno - 1]->atttypmod;
/*
- * If there are subscripts on the target column, prepare an
- * array assignment expression. This will generate an array value
- * that the source value has been inserted into, which can then
- * be placed in the new tuple constructed by INSERT or UPDATE.
- * Note that transformArraySubscripts takes care of type coercion.
+ * If there are subscripts on the target column, prepare an array
+ * assignment expression. This will generate an array value that the
+ * source value has been inserted into, which can then be placed in
+ * the new tuple constructed by INSERT or UPDATE. Note that
+ * transformArraySubscripts takes care of type coercion.
*/
if (indirection)
{
#ifndef DISABLE_JOIN_SYNTAX
Attr *att = makeAttr(pstrdup(RelationGetRelationName(rd)), colname);
+
#else
Attr *att = makeNode(Attr);
+
#endif
Node *arrayBase;
ArrayRef *aref;
tle->expr);
if (pstate->p_is_insert)
{
+
/*
* The command is INSERT INTO table (arraycol[subscripts]) ...
* so there is not really a source array value to work with.
- * Let the executor do something reasonable, if it can.
- * Notice that we forced transformArraySubscripts to treat
- * the subscripting op as an array-slice op above, so the
- * source data will have been coerced to array type.
+ * Let the executor do something reasonable, if it can. Notice
+ * that we forced transformArraySubscripts to treat the
+ * subscripting op as an array-slice op above, so the source
+ * data will have been coerced to array type.
*/
- aref->refexpr = NULL; /* signal there is no source array */
+ aref->refexpr = NULL; /* signal there is no source array */
}
tle->expr = (Node *) aref;
}
else
{
+
/*
- * For normal non-subscripted target column, do type checking
- * and coercion. But accept InvalidOid, which indicates the
- * source is a NULL constant.
+ * For normal non-subscripted target column, do type checking and
+ * coercion. But accept InvalidOid, which indicates the source is
+ * a NULL constant.
*/
if (type_id != InvalidOid)
{
if (tle->expr == NULL)
elog(ERROR, "Attribute '%s' is of type '%s'"
" but expression is of type '%s'"
- "\n\tYou will need to rewrite or cast the expression",
+ "\n\tYou will need to rewrite or cast the expression",
colname,
typeidTypeName(attrtype),
typeidTypeName(type_id));
}
+
/*
* If the target is a fixed-length type, it may need a length
* coercion as well as a type coercion.
}
/*
- * The result of the target expression should now match the destination
- * column's type. Also, reset the resname and resno to identify
- * the destination column --- rewriter and planner depend on that!
+ * The result of the target expression should now match the
+ * destination column's type. Also, reset the resname and resno to
+ * identify the destination column --- rewriter and planner depend on
+ * that!
*/
resnode->restype = attrtype;
resnode->restypmod = attrtypmod;
if (cols == NIL)
{
+
/*
* Generate default column list for INSERT.
*/
#ifdef _DROP_COLUMN_HACK__
if (COLUMN_IS_DROPPED(attr[i]))
- {
continue;
- }
-#endif /* _DROP_COLUMN_HACK__ */
+#endif /* _DROP_COLUMN_HACK__ */
id->name = palloc(NAMEDATALEN);
StrNCpy(id->name, NameStr(attr[i]->attname), NAMEDATALEN);
id->indirection = NIL;
id->isRel = false;
cols = lappend(cols, id);
- *attrnos = lappendi(*attrnos, i+1);
+ *attrnos = lappendi(*attrnos, i + 1);
}
}
else
{
+
/*
* Do initial validation of user-supplied INSERT column list.
*/
rtable = pstate->p_rtable;
if (pstate->p_is_rule)
{
+
/*
* skip first two entries, "*new*" and "*current*"
*/
RangeTblEntry *rte = lfirst(rt);
/*
- * we only expand those listed in the from clause. (This will
- * also prevent us from using the wrong table in inserts: eg.
- * tenk2 in "insert into tenk2 select * from tenk1;")
+ * we only expand those listed in the from clause. (This will also
+ * prevent us from using the wrong table in inserts: eg. tenk2 in
+ * "insert into tenk2 select * from tenk1;")
*/
if (!rte->inFromCl)
continue;
/* Some of these are easiest to do with the untransformed node */
switch (nodeTag(resval))
{
- case T_Ident:
+ case T_Ident:
return ((Ident *) resval)->name;
case T_Attr:
{
List *attrs = ((Attr *) resval)->attrs;
+
if (attrs)
{
while (lnext(attrs) != NIL)
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/parser/parser.c,v 1.44 2000/03/17 05:29:05 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/parser.c,v 1.45 2000/04/12 17:15:27 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#if defined(FLEX_SCANNER)
extern void DeleteBuffer(void);
+
#endif /* FLEX_SCANNER */
char *parseString; /* the char* which holds the string to be
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/parser/scansup.c,v 1.18 2000/01/26 05:56:43 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/scansup.c,v 1.19 2000/04/12 17:15:27 momjian Exp $
*
*-------------------------------------------------------------------------
*/
len = strlen(s);
- newStr = palloc(len+1); /* string cannot get longer */
+ newStr = palloc(len + 1); /* string cannot get longer */
for (i = 0, j = 0; i < len; i++)
{
-/* $Id: isinf.c,v 1.14 1999/12/16 01:25:02 momjian Exp $ */
+/* $Id: isinf.c,v 1.15 2000/04/12 17:15:28 momjian Exp $ */
#include <math.h>
#include "config.h"
-#if HAVE_FPCLASS /* this is _not_ HAVE_FP_CLASS, and not typo */
+#if HAVE_FPCLASS /* this is _not_ HAVE_FP_CLASS, and not
+ * typo */
#if HAVE_IEEEFP_H
#include <ieeefp.h>
int
isinf(double x)
{
- if (x == HUGE_VAL)
- return 1;
- if (x == -HUGE_VAL)
- return -1;
- return 0;
+ if (x == HUGE_VAL)
+ return 1;
+ if (x == -HUGE_VAL)
+ return -1;
+ return 0;
}
#endif
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/ipc.h,v 1.1 1999/12/16 16:52:52 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/ipc.h,v 1.2 2000/04/12 17:15:30 momjian Exp $
*
*-------------------------------------------------------------------------
*/
-#ifndef _SYS_IPC_H
-#define _SYS_IPC_H
+#ifndef _SYS_IPC_H
+#define _SYS_IPC_H
/* Common IPC definitions. */
/* Mode bits. */
#define IPC_CREAT 0001000 /* create entry if key doesn't exist */
-#define IPC_EXCL 0002000 /* fail if key exists */
-#define IPC_NOWAIT 0004000 /* error if request must wait */
+#define IPC_EXCL 0002000 /* fail if key exists */
+#define IPC_NOWAIT 0004000 /* error if request must wait */
/* Keys. */
-#define IPC_PRIVATE (key_t)0 /* private key */
+#define IPC_PRIVATE (key_t)0 /* private key */
/* Control Commands. */
-#define IPC_RMID 0 /* remove identifier */
+#define IPC_RMID 0 /* remove identifier */
-#endif /* _SYS_IPC_H */
+#endif /* _SYS_IPC_H */
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/isnan.c,v 1.1 1999/12/16 16:52:52 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/isnan.c,v 1.2 2000/04/12 17:15:30 momjian Exp $
*
*-------------------------------------------------------------------------
*/
unsigned char __nan[8] = __nan_bytes;
-int isnan(double dsrc)
+int
+isnan(double dsrc)
{
- return !memcmp( &dsrc, &NAN, sizeof( double ) );
+ return !memcmp(&dsrc, &NAN, sizeof(double));
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/rint.c,v 1.1 1999/12/16 16:52:52 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/rint.c,v 1.2 2000/04/12 17:15:30 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include <math.h>
#include "os.h"
-double rint(double x)
+double
+rint(double x)
{
- double f, n = 0.;
+ double f,
+ n = 0.;
- f = modf( x, &n );
+ f = modf(x, &n);
- if( x > 0. ) {
- if( f > .5 ) n += 1.;
- }
- else if( x < 0. ) {
- if( f < -.5 ) n -= 1.;
- }
- return n;
+ if (x > 0.)
+ {
+ if (f > .5)
+ n += 1.;
+ }
+ else if (x < 0.)
+ {
+ if (f < -.5)
+ n -= 1.;
+ }
+ return n;
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/sem.c,v 1.2 2000/03/14 18:12:06 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/sem.c,v 1.3 2000/04/12 17:15:30 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#define SEMMAX (PROC_NSEMS_PER_SET)
#define OPMAX 8
-#define MODE 0700
-#define SHM_INFO_NAME "SysV_Sem_Info"
+#define MODE 0700
+#define SHM_INFO_NAME "SysV_Sem_Info"
-struct pending_ops {
- int op[OPMAX]; /* array of pending operations */
- int idx; /* index of first free array member */
+struct pending_ops
+{
+ int op[OPMAX]; /* array of pending operations */
+ int idx; /* index of first free array member */
};
-struct sem_info {
- sem_t sem;
- struct {
- key_t key;
- int nsems;
- sem_t sem[SEMMAX]; /* array of POSIX semaphores */
- struct sem semV[SEMMAX]; /* array of System V semaphore structures */
- struct pending_ops pendingOps[SEMMAX]; /* array of pending operations */
- } set[SETMAX];
+struct sem_info
+{
+ sem_t sem;
+ struct
+ {
+ key_t key;
+ int nsems;
+ sem_t sem[SEMMAX];/* array of POSIX semaphores */
+ struct sem semV[SEMMAX]; /* array of System V semaphore
+ * structures */
+ struct pending_ops pendingOps[SEMMAX]; /* array of pending
+ * operations */
+ } set[SETMAX];
};
-static struct sem_info *SemInfo = ( struct sem_info * )-1;
+static struct sem_info *SemInfo = (struct sem_info *) - 1;
-int semctl( int semid, int semnum, int cmd, /*...*/union semun arg )
+int
+semctl(int semid, int semnum, int cmd, /* ... */ union semun arg)
{
- int r = 0;
-
- sem_wait( &SemInfo->sem );
-
- if( semid < 0 || semid >= SETMAX ||
- semnum < 0 || semnum >= SemInfo->set[semid].nsems ) {
- sem_post( &SemInfo->sem );
- errno = EINVAL;
- return -1;
- }
-
- switch( cmd ) {
- case GETNCNT:
- r = SemInfo->set[semid].semV[semnum].semncnt;
- break;
-
- case GETPID:
- r = SemInfo->set[semid].semV[semnum].sempid;
- break;
-
- case GETVAL:
- r = SemInfo->set[semid].semV[semnum].semval;
- break;
-
- case GETALL:
- for( semnum = 0; semnum < SemInfo->set[semid].nsems; semnum++ ) {
- arg.array[semnum] = SemInfo->set[semid].semV[semnum].semval;
- }
- break;
-
- case SETVAL:
- SemInfo->set[semid].semV[semnum].semval = arg.val;
- break;
-
- case SETALL:
- for( semnum = 0; semnum < SemInfo->set[semid].nsems; semnum++ ) {
- SemInfo->set[semid].semV[semnum].semval = arg.array[semnum];
- }
- break;
-
- case GETZCNT:
- r = SemInfo->set[semid].semV[semnum].semzcnt;
- break;
-
- case IPC_RMID:
- for( semnum = 0; semnum < SemInfo->set[semid].nsems; semnum++ ) {
- if( sem_destroy( &SemInfo->set[semid].sem[semnum] ) == -1 ) {
- r = -1;
- }
- }
- SemInfo->set[semid].key = -1;
- SemInfo->set[semid].nsems = 0;
- break;
-
- default:
- sem_post( &SemInfo->sem );
- errno = EINVAL;
- return -1;
- }
-
- sem_post( &SemInfo->sem );
-
- return r;
+ int r = 0;
+
+ sem_wait(&SemInfo->sem);
+
+ if (semid < 0 || semid >= SETMAX ||
+ semnum < 0 || semnum >= SemInfo->set[semid].nsems)
+ {
+ sem_post(&SemInfo->sem);
+ errno = EINVAL;
+ return -1;
+ }
+
+ switch (cmd)
+ {
+ case GETNCNT:
+ r = SemInfo->set[semid].semV[semnum].semncnt;
+ break;
+
+ case GETPID:
+ r = SemInfo->set[semid].semV[semnum].sempid;
+ break;
+
+ case GETVAL:
+ r = SemInfo->set[semid].semV[semnum].semval;
+ break;
+
+ case GETALL:
+ for (semnum = 0; semnum < SemInfo->set[semid].nsems; semnum++)
+ arg.array[semnum] = SemInfo->set[semid].semV[semnum].semval;
+ break;
+
+ case SETVAL:
+ SemInfo->set[semid].semV[semnum].semval = arg.val;
+ break;
+
+ case SETALL:
+ for (semnum = 0; semnum < SemInfo->set[semid].nsems; semnum++)
+ SemInfo->set[semid].semV[semnum].semval = arg.array[semnum];
+ break;
+
+ case GETZCNT:
+ r = SemInfo->set[semid].semV[semnum].semzcnt;
+ break;
+
+ case IPC_RMID:
+ for (semnum = 0; semnum < SemInfo->set[semid].nsems; semnum++)
+ {
+ if (sem_destroy(&SemInfo->set[semid].sem[semnum]) == -1)
+ r = -1;
+ }
+ SemInfo->set[semid].key = -1;
+ SemInfo->set[semid].nsems = 0;
+ break;
+
+ default:
+ sem_post(&SemInfo->sem);
+ errno = EINVAL;
+ return -1;
+ }
+
+ sem_post(&SemInfo->sem);
+
+ return r;
}
-int semget( key_t key, int nsems, int semflg )
+int
+semget(key_t key, int nsems, int semflg)
{
- int fd, semid, semnum/*, semnum1*/;
- int exist = 0;
-
- if( nsems < 0 || nsems > SEMMAX ) {
- errno = EINVAL;
- return -1;
- }
-
- /* open and map shared memory */
- if( SemInfo == ( struct sem_info * )-1 ) {
- /* test if the shared memory already exists */
- fd = shm_open( SHM_INFO_NAME, O_RDWR | O_CREAT | O_EXCL, MODE );
- if( fd == -1 && errno == EEXIST ) {
- exist = 1;
- fd = shm_open( SHM_INFO_NAME, O_RDWR | O_CREAT, MODE );
- }
- if( fd == -1 ) {
- return fd;
- }
- /* The size may only be set once. Ignore errors. */
- ltrunc( fd, sizeof( struct sem_info ), SEEK_SET );
- SemInfo = mmap( NULL, sizeof( struct sem_info ),
- PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0 );
- if( SemInfo == MAP_FAILED ) {
- return -1;
- }
- if( !exist ) {
- /* create semaphore for locking */
- sem_init( &SemInfo->sem, 1, 1 );
- sem_wait( &SemInfo->sem );
- /* initilize shared memory */
- memset( SemInfo->set, 0, sizeof( SemInfo->set ) );
- for( semid = 0; semid < SETMAX; semid++ ) {
- SemInfo->set[semid].key = -1;
- }
- sem_post( &SemInfo->sem );
- }
- }
-
- sem_wait( &SemInfo->sem );
-
- if( key != IPC_PRIVATE ) {
- /* search existing element */
- semid = 0;
- while( semid < SETMAX && SemInfo->set[semid].key != key ) semid++;
- if( !( semflg & IPC_CREAT ) && semid >= SETMAX ) {
- sem_post( &SemInfo->sem );
- errno = ENOENT;
- return -1;
- }
- else if( semid < SETMAX ) {
- if( semflg & IPC_CREAT && semflg & IPC_EXCL ) {
- sem_post( &SemInfo->sem );
- errno = EEXIST;
- return -1;
- }
- else {
- if( nsems != 0 && SemInfo->set[semid].nsems < nsems ) {
- sem_post( &SemInfo->sem );
- errno = EINVAL;
- return -1;
- }
- sem_post( &SemInfo->sem );
- return semid;
- }
- }
- }
-
- /* search first free element */
- semid = 0;
- while( semid < SETMAX && SemInfo->set[semid].key != -1 ) semid++;
- if( semid >= SETMAX ) {
- sem_post( &SemInfo->sem );
- errno = ENOSPC;
- return -1;
- }
-
- for( semnum = 0; semnum < nsems; semnum++ ) {
- sem_init( &SemInfo->set[semid].sem[semnum], 1, 0 );
+ int fd,
+ semid,
+ semnum /* , semnum1 */ ;
+ int exist = 0;
+
+ if (nsems < 0 || nsems > SEMMAX)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+
+ /* open and map shared memory */
+ if (SemInfo == (struct sem_info *) - 1)
+ {
+ /* test if the shared memory already exists */
+ fd = shm_open(SHM_INFO_NAME, O_RDWR | O_CREAT | O_EXCL, MODE);
+ if (fd == -1 && errno == EEXIST)
+ {
+ exist = 1;
+ fd = shm_open(SHM_INFO_NAME, O_RDWR | O_CREAT, MODE);
+ }
+ if (fd == -1)
+ return fd;
+ /* The size may only be set once. Ignore errors. */
+ ltrunc(fd, sizeof(struct sem_info), SEEK_SET);
+ SemInfo = mmap(NULL, sizeof(struct sem_info),
+ PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+ if (SemInfo == MAP_FAILED)
+ return -1;
+ if (!exist)
+ {
+ /* create semaphore for locking */
+ sem_init(&SemInfo->sem, 1, 1);
+ sem_wait(&SemInfo->sem);
+ /* initilize shared memory */
+ memset(SemInfo->set, 0, sizeof(SemInfo->set));
+ for (semid = 0; semid < SETMAX; semid++)
+ SemInfo->set[semid].key = -1;
+ sem_post(&SemInfo->sem);
+ }
+ }
+
+ sem_wait(&SemInfo->sem);
+
+ if (key != IPC_PRIVATE)
+ {
+ /* search existing element */
+ semid = 0;
+ while (semid < SETMAX && SemInfo->set[semid].key != key)
+ semid++;
+ if (!(semflg & IPC_CREAT) && semid >= SETMAX)
+ {
+ sem_post(&SemInfo->sem);
+ errno = ENOENT;
+ return -1;
+ }
+ else if (semid < SETMAX)
+ {
+ if (semflg & IPC_CREAT && semflg & IPC_EXCL)
+ {
+ sem_post(&SemInfo->sem);
+ errno = EEXIST;
+ return -1;
+ }
+ else
+ {
+ if (nsems != 0 && SemInfo->set[semid].nsems < nsems)
+ {
+ sem_post(&SemInfo->sem);
+ errno = EINVAL;
+ return -1;
+ }
+ sem_post(&SemInfo->sem);
+ return semid;
+ }
+ }
+ }
+
+ /* search first free element */
+ semid = 0;
+ while (semid < SETMAX && SemInfo->set[semid].key != -1)
+ semid++;
+ if (semid >= SETMAX)
+ {
+ sem_post(&SemInfo->sem);
+ errno = ENOSPC;
+ return -1;
+ }
+
+ for (semnum = 0; semnum < nsems; semnum++)
+ {
+ sem_init(&SemInfo->set[semid].sem[semnum], 1, 0);
/* Currently sem_init always returns -1.
- if( sem_init( &SemInfo->set[semid].sem[semnum], 1, 0 ) == -1 ) {
- for( semnum1 = 0; semnum1 < semnum; semnum1++ ) {
- sem_destroy( &SemInfo->set[semid].sem[semnum1] );
- }
- sem_post( &SemInfo->sem );
- return -1;
- }
+ if( sem_init( &SemInfo->set[semid].sem[semnum], 1, 0 ) == -1 ) {
+ for( semnum1 = 0; semnum1 < semnum; semnum1++ ) {
+ sem_destroy( &SemInfo->set[semid].sem[semnum1] );
+ }
+ sem_post( &SemInfo->sem );
+ return -1;
+ }
*/
- }
+ }
- SemInfo->set[semid].key = key;
- SemInfo->set[semid].nsems = nsems;
+ SemInfo->set[semid].key = key;
+ SemInfo->set[semid].nsems = nsems;
- sem_post( &SemInfo->sem );
+ sem_post(&SemInfo->sem);
- return semid;
+ return semid;
}
-int semop( int semid, struct sembuf *sops, size_t nsops )
+int
+semop(int semid, struct sembuf * sops, size_t nsops)
{
- int i, r = 0, r1, errno1 = 0, op;
-
- sem_wait( &SemInfo->sem );
-
- if( semid < 0 || semid >= SETMAX ) {
- sem_post( &SemInfo->sem );
- errno = EINVAL;
- return -1;
- }
- for( i = 0; i < nsops; i++ ) {
- if( /*sops[i].sem_num < 0 ||*/ sops[i].sem_num >= SemInfo->set[semid].nsems ) {
- sem_post( &SemInfo->sem );
- errno = EFBIG;
- return -1;
- }
- }
-
- for( i = 0; i < nsops; i++ ) {
- if( sops[i].sem_op < 0 ) {
- if( SemInfo->set[semid].semV[sops[i].sem_num].semval < -sops[i].sem_op ) {
- if( sops[i].sem_flg & IPC_NOWAIT ) {
- sem_post( &SemInfo->sem );
- errno = EAGAIN;
- return -1;
- }
- SemInfo->set[semid].semV[sops[i].sem_num].semncnt++;
- if( SemInfo->set[semid].pendingOps[sops[i].sem_num].idx >= OPMAX ) {
- /* pending operations array overflow */
- sem_post( &SemInfo->sem );
- errno = ERANGE;
- return -1;
- }
- SemInfo->set[semid].pendingOps[sops[i].sem_num].op[SemInfo->set[semid].pendingOps[sops[i].sem_num].idx++] = sops[i].sem_op;
- /* suspend */
- sem_post( &SemInfo->sem ); /* avoid deadlock */
- r1 = sem_wait( &SemInfo->set[semid].sem[sops[i].sem_num] );
- sem_wait( &SemInfo->sem );
- if( r1 ) {
- errno1 = errno;
- r = r1;
- /* remove pending operation */
- SemInfo->set[semid].pendingOps[sops[i].sem_num].op[--SemInfo->set[semid].pendingOps[sops[i].sem_num].idx] = 0;
- }
- else {
- SemInfo->set[semid].semV[sops[i].sem_num].semval -= -sops[i].sem_op;
- }
- SemInfo->set[semid].semV[sops[i].sem_num].semncnt--;
- }
- else {
- SemInfo->set[semid].semV[sops[i].sem_num].semval -= -sops[i].sem_op;
- }
- }
- else if( sops[i].sem_op > 0 ) {
- SemInfo->set[semid].semV[sops[i].sem_num].semval += sops[i].sem_op;
- op = sops[i].sem_op;
- while( op > 0 && SemInfo->set[semid].pendingOps[sops[i].sem_num].idx > 0 ) { /* operations pending */
- if( SemInfo->set[semid].pendingOps[sops[i].sem_num].op[SemInfo->set[semid].pendingOps[sops[i].sem_num].idx-1] + op >= 0 ) {
- /* unsuspend processes */
- if( sem_post( &SemInfo->set[semid].sem[sops[i].sem_num] ) ) {
- errno1 = errno;
- r = -1;
- }
- /* adjust pending operations */
- op += SemInfo->set[semid].pendingOps[sops[i].sem_num].op[--SemInfo->set[semid].pendingOps[sops[i].sem_num].idx];
- SemInfo->set[semid].pendingOps[sops[i].sem_num].op[SemInfo->set[semid].pendingOps[sops[i].sem_num].idx] = 0;
- }
- else {
- /* adjust pending operations */
- SemInfo->set[semid].pendingOps[sops[i].sem_num].op[SemInfo->set[semid].pendingOps[sops[i].sem_num].idx-1] += op;
- op = 0;
- }
- }
- }
- else /* sops[i].sem_op == 0 */ {
- /* not supported */
- sem_post( &SemInfo->sem );
- errno = ENOSYS;
- return -1;
- }
- SemInfo->set[semid].semV[sops[i].sem_num].sempid = getpid( );
- }
-
- sem_post( &SemInfo->sem );
-
- errno = errno1;
- return r;
+ int i,
+ r = 0,
+ r1,
+ errno1 = 0,
+ op;
+
+ sem_wait(&SemInfo->sem);
+
+ if (semid < 0 || semid >= SETMAX)
+ {
+ sem_post(&SemInfo->sem);
+ errno = EINVAL;
+ return -1;
+ }
+ for (i = 0; i < nsops; i++)
+ {
+ if ( /* sops[i].sem_num < 0 || */ sops[i].sem_num >= SemInfo->set[semid].nsems)
+ {
+ sem_post(&SemInfo->sem);
+ errno = EFBIG;
+ return -1;
+ }
+ }
+
+ for (i = 0; i < nsops; i++)
+ {
+ if (sops[i].sem_op < 0)
+ {
+ if (SemInfo->set[semid].semV[sops[i].sem_num].semval < -sops[i].sem_op)
+ {
+ if (sops[i].sem_flg & IPC_NOWAIT)
+ {
+ sem_post(&SemInfo->sem);
+ errno = EAGAIN;
+ return -1;
+ }
+ SemInfo->set[semid].semV[sops[i].sem_num].semncnt++;
+ if (SemInfo->set[semid].pendingOps[sops[i].sem_num].idx >= OPMAX)
+ {
+ /* pending operations array overflow */
+ sem_post(&SemInfo->sem);
+ errno = ERANGE;
+ return -1;
+ }
+ SemInfo->set[semid].pendingOps[sops[i].sem_num].op[SemInfo->set[semid].pendingOps[sops[i].sem_num].idx++] = sops[i].sem_op;
+ /* suspend */
+ sem_post(&SemInfo->sem); /* avoid deadlock */
+ r1 = sem_wait(&SemInfo->set[semid].sem[sops[i].sem_num]);
+ sem_wait(&SemInfo->sem);
+ if (r1)
+ {
+ errno1 = errno;
+ r = r1;
+ /* remove pending operation */
+ SemInfo->set[semid].pendingOps[sops[i].sem_num].op[--SemInfo->set[semid].pendingOps[sops[i].sem_num].idx] = 0;
+ }
+ else
+ SemInfo->set[semid].semV[sops[i].sem_num].semval -= -sops[i].sem_op;
+ SemInfo->set[semid].semV[sops[i].sem_num].semncnt--;
+ }
+ else
+ SemInfo->set[semid].semV[sops[i].sem_num].semval -= -sops[i].sem_op;
+ }
+ else if (sops[i].sem_op > 0)
+ {
+ SemInfo->set[semid].semV[sops[i].sem_num].semval += sops[i].sem_op;
+ op = sops[i].sem_op;
+ while (op > 0 && SemInfo->set[semid].pendingOps[sops[i].sem_num].idx > 0)
+ { /* operations pending */
+ if (SemInfo->set[semid].pendingOps[sops[i].sem_num].op[SemInfo->set[semid].pendingOps[sops[i].sem_num].idx - 1] + op >= 0)
+ {
+ /* unsuspend processes */
+ if (sem_post(&SemInfo->set[semid].sem[sops[i].sem_num]))
+ {
+ errno1 = errno;
+ r = -1;
+ }
+ /* adjust pending operations */
+ op += SemInfo->set[semid].pendingOps[sops[i].sem_num].op[--SemInfo->set[semid].pendingOps[sops[i].sem_num].idx];
+ SemInfo->set[semid].pendingOps[sops[i].sem_num].op[SemInfo->set[semid].pendingOps[sops[i].sem_num].idx] = 0;
+ }
+ else
+ {
+ /* adjust pending operations */
+ SemInfo->set[semid].pendingOps[sops[i].sem_num].op[SemInfo->set[semid].pendingOps[sops[i].sem_num].idx - 1] += op;
+ op = 0;
+ }
+ }
+ }
+ else
+ /* sops[i].sem_op == 0 */
+ {
+ /* not supported */
+ sem_post(&SemInfo->sem);
+ errno = ENOSYS;
+ return -1;
+ }
+ SemInfo->set[semid].semV[sops[i].sem_num].sempid = getpid();
+ }
+
+ sem_post(&SemInfo->sem);
+
+ errno = errno1;
+ return r;
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/sem.h,v 1.2 2000/03/14 18:12:06 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/sem.h,v 1.3 2000/04/12 17:15:30 momjian Exp $
*
*-------------------------------------------------------------------------
*/
-#ifndef _SYS_SEM_H
-#define _SYS_SEM_H
+#ifndef _SYS_SEM_H
+#define _SYS_SEM_H
#include <sys/ipc.h>
#ifdef __cplusplus
-extern "C" {
+extern "C"
+{
#endif
/*
* Semctl Command Definitions.
*/
-#define GETNCNT 3 /* get semncnt */
-#define GETPID 4 /* get sempid */
-#define GETVAL 5 /* get semval */
-#define GETALL 6 /* get all semval's */
-#define GETZCNT 7 /* get semzcnt */
-#define SETVAL 8 /* set semval */
-#define SETALL 9 /* set all semval's */
+#define GETNCNT 3 /* get semncnt */
+#define GETPID 4 /* get sempid */
+#define GETVAL 5 /* get semval */
+#define GETALL 6 /* get all semval's */
+#define GETZCNT 7 /* get semzcnt */
+#define SETVAL 8 /* set semval */
+#define SETALL 9 /* set all semval's */
/*
* There is one semaphore structure for each semaphore in the system.
*/
-struct sem {
- ushort_t semval; /* semaphore text map address */
- pid_t sempid; /* pid of last operation */
- ushort_t semncnt; /* # awaiting semval > cval */
- ushort_t semzcnt; /* # awaiting semval = 0 */
-};
+ struct sem
+ {
+ ushort_t semval; /* semaphore text map address */
+ pid_t sempid; /* pid of last operation */
+ ushort_t semncnt; /* # awaiting semval > cval */
+ ushort_t semzcnt; /* # awaiting semval = 0 */
+ };
/*
* User semaphore template for semop system calls.
*/
-struct sembuf {
- ushort_t sem_num; /* semaphore # */
- short sem_op; /* semaphore operation */
- short sem_flg; /* operation flags */
-};
+ struct sembuf
+ {
+ ushort_t sem_num; /* semaphore # */
+ short sem_op; /* semaphore operation */
+ short sem_flg; /* operation flags */
+ };
-extern int semctl( int semid, int semnum, int cmd, /*...*/union semun arg );
-extern int semget( key_t key, int nsems, int semflg );
-extern int semop( int semid, struct sembuf *sops, size_t nsops );
+ extern int semctl(int semid, int semnum, int cmd, /* ... */ union semun arg);
+ extern int semget(key_t key, int nsems, int semflg);
+ extern int semop(int semid, struct sembuf * sops, size_t nsops);
#ifdef __cplusplus
}
+
#endif
-#endif /* _SYS_SEM_H */
+#endif /* _SYS_SEM_H */
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/shm.c,v 1.1 1999/12/16 16:52:52 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/shm.c,v 1.2 2000/04/12 17:15:30 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#define SHMMAX 1024
-struct shm_info {
- int shmid;
- key_t key;
- size_t size;
- void *addr;
+struct shm_info
+{
+ int shmid;
+ key_t key;
+ size_t size;
+ void *addr;
};
-static struct shm_info *ShmInfo;
+static struct shm_info *ShmInfo;
-static int shm_putinfo( struct shm_info *info );
-static int shm_updinfo( int i, struct shm_info *info );
-static int shm_getinfo( int shmid, struct shm_info *info );
-static int shm_getinfobyaddr( const void *addr, struct shm_info *info );
+static int shm_putinfo(struct shm_info * info);
+static int shm_updinfo(int i, struct shm_info * info);
+static int shm_getinfo(int shmid, struct shm_info * info);
+static int shm_getinfobyaddr(const void *addr, struct shm_info * info);
-static int shm_putinfo( struct shm_info *info )
+static int
+shm_putinfo(struct shm_info * info)
{
- int i;
-
- if( ShmInfo == NULL ) {
- ShmInfo = calloc( SHMMAX, sizeof( struct shm_info ) );
- if( ShmInfo == NULL ) return -1;
- /* initialize ShmInfo */
- for( i = 0; i < SHMMAX; i++ ) {
- ShmInfo[i].shmid = -1;
- }
- }
-
- /* search first free element */
- i = 0;
- while( i < SHMMAX && ShmInfo[i].shmid != -1 ) i++;
- if( i >= SHMMAX ) {
- errno = ENOSPC;
- return -1;
- }
-
- memcpy( &ShmInfo[i], info, sizeof( struct shm_info ) );
-
- return i;
+ int i;
+
+ if (ShmInfo == NULL)
+ {
+ ShmInfo = calloc(SHMMAX, sizeof(struct shm_info));
+ if (ShmInfo == NULL)
+ return -1;
+ /* initialize ShmInfo */
+ for (i = 0; i < SHMMAX; i++)
+ ShmInfo[i].shmid = -1;
+ }
+
+ /* search first free element */
+ i = 0;
+ while (i < SHMMAX && ShmInfo[i].shmid != -1)
+ i++;
+ if (i >= SHMMAX)
+ {
+ errno = ENOSPC;
+ return -1;
+ }
+
+ memcpy(&ShmInfo[i], info, sizeof(struct shm_info));
+
+ return i;
}
-static int shm_updinfo( int i, struct shm_info *info )
+static int
+shm_updinfo(int i, struct shm_info * info)
{
- if( i >= SHMMAX ) return -1;
- if( ShmInfo == NULL ) return -1;
+ if (i >= SHMMAX)
+ return -1;
+ if (ShmInfo == NULL)
+ return -1;
+
+ memcpy(&ShmInfo[i], info, sizeof(struct shm_info));
- memcpy( &ShmInfo[i], info, sizeof( struct shm_info ) );
-
- return i;
+ return i;
}
-static int shm_getinfo( int shmid, struct shm_info *info )
+static int
+shm_getinfo(int shmid, struct shm_info * info)
{
- int i;
+ int i;
+
+ if (ShmInfo == NULL)
+ return -1;
- if( ShmInfo == NULL ) return -1;
+ /* search element */
+ i = 0;
+ while (i < SHMMAX && ShmInfo[i].shmid != shmid)
+ i++;
+ if (i >= SHMMAX)
+ return -1;
- /* search element */
- i = 0;
- while( i < SHMMAX && ShmInfo[i].shmid != shmid ) i++;
- if( i >= SHMMAX ) return -1;
+ memcpy(info, &ShmInfo[i], sizeof(struct shm_info));
- memcpy( info, &ShmInfo[i], sizeof( struct shm_info ) );
-
- return i;
+ return i;
}
-static int shm_getinfobyaddr( const void *addr, struct shm_info *info )
+static int
+shm_getinfobyaddr(const void *addr, struct shm_info * info)
{
- int i;
+ int i;
- if( ShmInfo == ( struct shm_info * )-1 ) return -1;
+ if (ShmInfo == (struct shm_info *) - 1)
+ return -1;
- /* search element */
- i = 0;
- while( i < SHMMAX && ShmInfo[i].addr != addr ) i++;
- if( i >= SHMMAX ) return -1;
+ /* search element */
+ i = 0;
+ while (i < SHMMAX && ShmInfo[i].addr != addr)
+ i++;
+ if (i >= SHMMAX)
+ return -1;
- memcpy( info, &ShmInfo[i], sizeof( struct shm_info ) );
-
- return i;
+ memcpy(info, &ShmInfo[i], sizeof(struct shm_info));
+
+ return i;
}
-void *shmat( int shmid, const void *shmaddr, int shmflg )
+void *
+shmat(int shmid, const void *shmaddr, int shmflg)
{
- struct shm_info info;
- int i;
-
- i = shm_getinfo( shmid, &info );
- if( i == -1 ) {
- errno = EACCES;
- return ( void * )-1;
- }
-
- info.addr = mmap( ( void * )shmaddr, info.size,
- PROT_READ | PROT_WRITE, MAP_SHARED, shmid, 0 );
- if( info.addr == MAP_FAILED ) return info.addr;
-
- if( shm_updinfo( i, &info ) == -1 ) {
- errno = EACCES;
- return ( void * )-1;
- }
-
- return info.addr;
+ struct shm_info info;
+ int i;
+
+ i = shm_getinfo(shmid, &info);
+ if (i == -1)
+ {
+ errno = EACCES;
+ return (void *) -1;
+ }
+
+ info.addr = mmap((void *) shmaddr, info.size,
+ PROT_READ | PROT_WRITE, MAP_SHARED, shmid, 0);
+ if (info.addr == MAP_FAILED)
+ return info.addr;
+
+ if (shm_updinfo(i, &info) == -1)
+ {
+ errno = EACCES;
+ return (void *) -1;
+ }
+
+ return info.addr;
}
-int shmdt( const void *addr )
+int
+shmdt(const void *addr)
{
- struct shm_info info;
+ struct shm_info info;
- if( shm_getinfobyaddr( addr, &info ) == -1 ) {
- errno = EACCES;
- return -1;
- }
+ if (shm_getinfobyaddr(addr, &info) == -1)
+ {
+ errno = EACCES;
+ return -1;
+ }
- return munmap( ( void * )addr, info.size );
+ return munmap((void *) addr, info.size);
}
-int shmctl( int shmid, int cmd, struct shmid_ds *buf )
+int
+shmctl(int shmid, int cmd, struct shmid_ds * buf)
{
- struct shm_info info;
- char name[NAME_MAX+1];
-
- /* IPC_RMID supported only */
- if( cmd != IPC_RMID ) {
- errno = EINVAL;
- return -1;
- }
-
- if( shm_getinfo( shmid, &info ) == -1 ) {
- errno = EACCES;
- return -1;
- }
-
- return shm_unlink( itoa( info.key, name, 16 ) );
+ struct shm_info info;
+ char name[NAME_MAX + 1];
+
+ /* IPC_RMID supported only */
+ if (cmd != IPC_RMID)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+
+ if (shm_getinfo(shmid, &info) == -1)
+ {
+ errno = EACCES;
+ return -1;
+ }
+
+ return shm_unlink(itoa(info.key, name, 16));
}
-int shmget( key_t key, size_t size, int flags )
+int
+shmget(key_t key, size_t size, int flags)
{
- char name[NAME_MAX+1];
- int oflag = 0;
- struct shm_info info;
-
- if( flags & IPC_CREAT ) oflag |= O_CREAT;
- if( flags & IPC_EXCL ) oflag |= O_EXCL;
- if( flags & SHM_R ) {
- if( flags & SHM_W ) oflag |= O_RDWR;
- else oflag |= O_RDONLY;
- }
- info.shmid = shm_open( itoa( key, name, 16 ), oflag, MODE );
-
- /* store shared memory information */
- if( info.shmid != -1 ) {
- info.key = key;
- info.size = size;
- info.addr = NULL;
- if( shm_putinfo( &info ) == -1 ) return -1;
- }
-
- /* The size may only be set once. Ignore errors. */
- ltrunc( info.shmid, size, SEEK_SET );
-
- return info.shmid;
+ char name[NAME_MAX + 1];
+ int oflag = 0;
+ struct shm_info info;
+
+ if (flags & IPC_CREAT)
+ oflag |= O_CREAT;
+ if (flags & IPC_EXCL)
+ oflag |= O_EXCL;
+ if (flags & SHM_R)
+ {
+ if (flags & SHM_W)
+ oflag |= O_RDWR;
+ else
+ oflag |= O_RDONLY;
+ }
+ info.shmid = shm_open(itoa(key, name, 16), oflag, MODE);
+
+ /* store shared memory information */
+ if (info.shmid != -1)
+ {
+ info.key = key;
+ info.size = size;
+ info.addr = NULL;
+ if (shm_putinfo(&info) == -1)
+ return -1;
+ }
+
+ /* The size may only be set once. Ignore errors. */
+ ltrunc(info.shmid, size, SEEK_SET);
+
+ return info.shmid;
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/shm.h,v 1.1 1999/12/16 16:52:52 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/shm.h,v 1.2 2000/04/12 17:15:30 momjian Exp $
*
*-------------------------------------------------------------------------
*/
-#ifndef _SYS_SHM_H
-#define _SYS_SHM_H
+#ifndef _SYS_SHM_H
+#define _SYS_SHM_H
#include <sys/ipc.h>
#ifdef __cplusplus
-extern "C" {
+extern "C"
+{
#endif
-#define SHM_R 0400 /* read permission */
-#define SHM_W 0200 /* write permission */
+#define SHM_R 0400 /* read permission */
+#define SHM_W 0200 /* write permission */
-struct shmid_ds {
- int dummy;
-};
+ struct shmid_ds
+ {
+ int dummy;
+ };
-extern void *shmat( int shmid, const void *shmaddr, int shmflg );
-extern int shmdt( const void *addr );
-extern int shmctl( int shmid, int cmd, struct shmid_ds *buf );
-extern int shmget( key_t key, size_t size, int flags );
+ extern void *shmat(int shmid, const void *shmaddr, int shmflg);
+ extern int shmdt(const void *addr);
+ extern int shmctl(int shmid, int cmd, struct shmid_ds * buf);
+ extern int shmget(key_t key, size_t size, int flags);
#ifdef __cplusplus
}
+
#endif
-#endif /* _SYS_SHM_H */
+#endif /* _SYS_SHM_H */
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/tstrint.c,v 1.1 1999/12/16 16:52:52 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/tstrint.c,v 1.2 2000/04/12 17:15:30 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "os.h"
-int main( int argc, char **argv )
+int
+main(int argc, char **argv)
{
- double x;
+ double x;
- if( argc != 2 ) exit( 1 );
+ if (argc != 2)
+ exit(1);
- x = strtod( argv[1], NULL );
- printf( "rint( %f ) = %f\n", x, rint( x ) );
+ x = strtod(argv[1], NULL);
+ printf("rint( %f ) = %f\n", x, rint(x));
- return 0;
+ return 0;
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/tstsem.c,v 1.2 2000/03/14 18:12:06 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/tstsem.c,v 1.3 2000/04/12 17:15:30 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#define SEMMAX 16
#define OPSMAX 1
-static int semid;
+static int semid;
-static void sig_handler( int sig_no )
+static void
+sig_handler(int sig_no)
{
- union semun arg;
- int i = semctl( semid, 0, GETNCNT, arg );
- if( i == -1 ) perror( "semctl" );
- else printf( "semval = %d\n", i );
+ union semun arg;
+ int i = semctl(semid, 0, GETNCNT, arg);
+
+ if (i == -1)
+ perror("semctl");
+ else
+ printf("semval = %d\n", i);
}
-int main( int argc, char **argv )
+int
+main(int argc, char **argv)
{
- int c, errflg = 0;
- char s[80];
- key_t key = IPC_PRIVATE;
- int nsems = SEMMAX;
- int semflg = 0;
- int unlink = 0;
- int i;
- struct sembuf sops[OPSMAX];
- u_short array[SEMMAX];
- union semun arg;
-
- optarg = NULL;
- while( !errflg && ( c = getopt( argc, argv, "k:n:cxu" ) ) != -1 ) {
- switch( c ) {
- case 'k': key = atoi( optarg ); break;
- case 'n': nsems = atoi( optarg ); break;
- case 'c': semflg |= IPC_CREAT; break;
- case 'x': semflg |= IPC_EXCL; break;
- case 'u': unlink = 1; break;
- default: errflg++;
- }
- }
- if( errflg ) {
- printf( "usage: tstsem [-k key] [-n nsems] [-cxu]\n" );
- exit( 1 );
- }
-
- if( unlink ) {
- i = shm_unlink( "SysV_Sem_Info" );
- if( i == -1 ) perror( "shm_unlink" );
- exit( i );
- }
-
- semid = semget( key, nsems, semflg );
- if( semid == -1 ) {
- perror( "semget" );
- exit( semid );
- }
-
- /* test signal interrupts */
- signal( SIGTERM, sig_handler );
-
- do {
- printf( "(-)sem_op, (+)sem_op, (G)ETVAL, (S)ETVAL, GET(P)ID, GET(A)LL, SETA(L)L, GET(N)CNT, GET(Z)CNT, e(x)it: " );
- scanf( "%s", s );
- switch( s[0] ) {
- case '-':
- case '+':
- sops[0].sem_num = 0;
- sops[0].sem_op = atoi( s );
- if( sops[0].sem_op == 0 ) sops[0].sem_op = s[0] == '+' ? +1 : -1;
- sops[0].sem_flg = 0;
- if( semop( semid, sops, 1 ) == -1 ) perror( "semop" );
- break;
-
- case 'G':
- case 'g':
- i = semctl( semid, 0, GETVAL, arg );
- if( i == -1 ) perror( "semctl" );
- else printf( "semval = %d\n", i );
- break;
-
- case 'S':
- case 's':
- printf( "semval = " );
- scanf( "%d", &arg.val );
- if( semctl( semid, 0, SETVAL, arg ) == -1 ) perror( "semctl" );
- break;
-
- case 'P':
- case 'p':
- i = semctl( semid, 0, GETPID, arg );
- if( i == -1 ) perror( "semctl" );
- else printf( "PID = %d\n", i );
- break;
-
- case 'A':
- case 'a':
- arg.array = array;
- i = semctl( semid, 0, GETALL, arg );
- if( i == -1 ) perror( "semctl" );
- else {
- for( i = 0; i < nsems; i++ ) {
- printf( "semval[%d] = %hu\n", i, arg.array[i] );
- }
- }
- break;
-
- case 'L':
- case 'l':
- arg.array = array;
- for( i = 0; i < nsems; i++ ) {
- printf( "semval[%d] = ", i );
- scanf( "%hu", &arg.array[i] );
- }
- if( semctl( semid, 0, SETALL, arg ) == -1 )perror( "semctl" );
- break;
-
- case 'N':
- case 'n':
- i = semctl( semid, 0, GETNCNT, arg );
- if( i == -1 ) perror( "semctl" );
- else printf( "semval = %d\n", i );
- break;
-
- case 'Z':
- case 'z':
- i = semctl( semid, 0, GETZCNT, arg );
- if( i == -1 ) perror( "semctl" );
- else printf( "semval = %d\n", i );
- break;
- }
- }
- while( s[0] != 'x' );
-
- if( semctl( semid, 0, IPC_RMID, arg ) == -1 ) {
- perror( "semctl" );
- exit( -1 );
- }
-
- exit( 0 );
+ int c,
+ errflg = 0;
+ char s[80];
+ key_t key = IPC_PRIVATE;
+ int nsems = SEMMAX;
+ int semflg = 0;
+ int unlink = 0;
+ int i;
+ struct sembuf sops[OPSMAX];
+ u_short array[SEMMAX];
+ union semun arg;
+
+ optarg = NULL;
+ while (!errflg && (c = getopt(argc, argv, "k:n:cxu")) != -1)
+ {
+ switch (c)
+ {
+ case 'k':
+ key = atoi(optarg);
+ break;
+ case 'n':
+ nsems = atoi(optarg);
+ break;
+ case 'c':
+ semflg |= IPC_CREAT;
+ break;
+ case 'x':
+ semflg |= IPC_EXCL;
+ break;
+ case 'u':
+ unlink = 1;
+ break;
+ default:
+ errflg++;
+ }
+ }
+ if (errflg)
+ {
+ printf("usage: tstsem [-k key] [-n nsems] [-cxu]\n");
+ exit(1);
+ }
+
+ if (unlink)
+ {
+ i = shm_unlink("SysV_Sem_Info");
+ if (i == -1)
+ perror("shm_unlink");
+ exit(i);
+ }
+
+ semid = semget(key, nsems, semflg);
+ if (semid == -1)
+ {
+ perror("semget");
+ exit(semid);
+ }
+
+ /* test signal interrupts */
+ signal(SIGTERM, sig_handler);
+
+ do
+ {
+ printf("(-)sem_op, (+)sem_op, (G)ETVAL, (S)ETVAL, GET(P)ID, GET(A)LL, SETA(L)L, GET(N)CNT, GET(Z)CNT, e(x)it: ");
+ scanf("%s", s);
+ switch (s[0])
+ {
+ case '-':
+ case '+':
+ sops[0].sem_num = 0;
+ sops[0].sem_op = atoi(s);
+ if (sops[0].sem_op == 0)
+ sops[0].sem_op = s[0] == '+' ? +1 : -1;
+ sops[0].sem_flg = 0;
+ if (semop(semid, sops, 1) == -1)
+ perror("semop");
+ break;
+
+ case 'G':
+ case 'g':
+ i = semctl(semid, 0, GETVAL, arg);
+ if (i == -1)
+ perror("semctl");
+ else
+ printf("semval = %d\n", i);
+ break;
+
+ case 'S':
+ case 's':
+ printf("semval = ");
+ scanf("%d", &arg.val);
+ if (semctl(semid, 0, SETVAL, arg) == -1)
+ perror("semctl");
+ break;
+
+ case 'P':
+ case 'p':
+ i = semctl(semid, 0, GETPID, arg);
+ if (i == -1)
+ perror("semctl");
+ else
+ printf("PID = %d\n", i);
+ break;
+
+ case 'A':
+ case 'a':
+ arg.array = array;
+ i = semctl(semid, 0, GETALL, arg);
+ if (i == -1)
+ perror("semctl");
+ else
+ {
+ for (i = 0; i < nsems; i++)
+ printf("semval[%d] = %hu\n", i, arg.array[i]);
+ }
+ break;
+
+ case 'L':
+ case 'l':
+ arg.array = array;
+ for (i = 0; i < nsems; i++)
+ {
+ printf("semval[%d] = ", i);
+ scanf("%hu", &arg.array[i]);
+ }
+ if (semctl(semid, 0, SETALL, arg) == -1)
+ perror("semctl");
+ break;
+
+ case 'N':
+ case 'n':
+ i = semctl(semid, 0, GETNCNT, arg);
+ if (i == -1)
+ perror("semctl");
+ else
+ printf("semval = %d\n", i);
+ break;
+
+ case 'Z':
+ case 'z':
+ i = semctl(semid, 0, GETZCNT, arg);
+ if (i == -1)
+ perror("semctl");
+ else
+ printf("semval = %d\n", i);
+ break;
+ }
+ }
+ while (s[0] != 'x');
+
+ if (semctl(semid, 0, IPC_RMID, arg) == -1)
+ {
+ perror("semctl");
+ exit(-1);
+ }
+
+ exit(0);
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/tstshm.c,v 1.1 1999/12/16 16:52:52 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/tstshm.c,v 1.2 2000/04/12 17:15:30 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include <sys/shm.h>
-int main( int argc, char **argv )
+int
+main(int argc, char **argv)
{
- int c, errflg = 0;
- char s[80];
- key_t key = 0x1000;
- size_t size = 256;
- int shmid = -1;
- caddr_t addr = NULL;
+ int c,
+ errflg = 0;
+ char s[80];
+ key_t key = 0x1000;
+ size_t size = 256;
+ int shmid = -1;
+ caddr_t addr = NULL;
- optarg = NULL;
- while( !errflg && ( c = getopt( argc, argv, "k:s:" ) ) != -1 ) {
- switch( c ) {
- case 'k': key = atoi( optarg ); break;
- case 's': size = atoi( optarg ); break;
- default: errflg++;
- }
- }
- if( errflg ) {
- printf( "usage: tstshm [-k key] [-s size]\n" );
- exit( 1 );
- }
+ optarg = NULL;
+ while (!errflg && (c = getopt(argc, argv, "k:s:")) != -1)
+ {
+ switch (c)
+ {
+ case 'k':
+ key = atoi(optarg);
+ break;
+ case 's':
+ size = atoi(optarg);
+ break;
+ default:
+ errflg++;
+ }
+ }
+ if (errflg)
+ {
+ printf("usage: tstshm [-k key] [-s size]\n");
+ exit(1);
+ }
- do {
- printf( "shm(g)et, shm(a)t, shm(d)t, shm(c)tl, (w)rite, (r)ead, e(x)it: " );
- scanf( "%s", s );
- switch( s[0] ) {
- case 'g':
- shmid = shmget( key, size, IPC_CREAT | SHM_R | SHM_W );
- if( shmid == -1 ) perror( "shmget" );
- break;
+ do
+ {
+ printf("shm(g)et, shm(a)t, shm(d)t, shm(c)tl, (w)rite, (r)ead, e(x)it: ");
+ scanf("%s", s);
+ switch (s[0])
+ {
+ case 'g':
+ shmid = shmget(key, size, IPC_CREAT | SHM_R | SHM_W);
+ if (shmid == -1)
+ perror("shmget");
+ break;
- case 'a':
- addr = shmat( shmid, NULL, 0 );
- if( addr == ( void * )-1 ) perror( "shmat" );
- break;
+ case 'a':
+ addr = shmat(shmid, NULL, 0);
+ if (addr == (void *) -1)
+ perror("shmat");
+ break;
- case 'd':
- if( shmdt( addr ) == -1 ) perror( "shmdt" );
- else addr = NULL;
- break;
+ case 'd':
+ if (shmdt(addr) == -1)
+ perror("shmdt");
+ else
+ addr = NULL;
+ break;
- case 'c':
- if( shmctl( shmid, IPC_RMID, NULL ) == -1 ) perror( "shmctl" );
- else shmid = -1;
- break;
+ case 'c':
+ if (shmctl(shmid, IPC_RMID, NULL) == -1)
+ perror("shmctl");
+ else
+ shmid = -1;
+ break;
- case 'w':
- printf( "String to write: " );
- scanf( "%s", addr );
- break;
+ case 'w':
+ printf("String to write: ");
+ scanf("%s", addr);
+ break;
- case 'r':
- puts( addr );
- break;
- }
- }
- while( s[0] != 'x' );
+ case 'r':
+ puts(addr);
+ break;
+ }
+ }
+ while (s[0] != 'x');
- return 0;
+ return 0;
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.138 2000/03/19 22:10:08 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.139 2000/04/12 17:15:31 momjian Exp $
*
* NOTES
*
#ifdef HAVE_SIGPROCMASK
sigset_t UnBlockSig,
BlockSig;
+
#else
int UnBlockSig,
BlockSig;
+
#endif
/*
* semaphores, even if you never actually use that many backends.
*/
-static int NextBackendTag = MAXINT; /* XXX why count down not up? */
-static char *progname = (char *) NULL;
-static char **real_argv;
-static int real_argc;
+static int NextBackendTag = MAXINT; /* XXX why count down not up? */
+static char *progname = (char *) NULL;
+static char **real_argv;
+static int real_argc;
-static time_t tnow;
+static time_t tnow;
/*
* Default Values
#endif
#ifdef USE_SSL
-static SSL_CTX *SSL_context = NULL; /* Global SSL context */
+static SSL_CTX *SSL_context = NULL; /* Global SSL context */
+
#endif
/*
static bool NetServer = false; /* if not zero, postmaster listen for
* non-local connections */
+
#ifdef USE_SSL
-static bool SecureNetServer = false; /* if not zero, postmaster listens for only SSL
- * non-local connections */
+static bool SecureNetServer = false; /* if not zero, postmaster listens
+ * for only SSL non-local
+ * connections */
+
#endif
-static pid_t StartupPID = 0,
- ShutdownPID = 0;
+static pid_t StartupPID = 0,
+ ShutdownPID = 0;
#define NoShutdown 0
#define SmartShutdown 1
#define FastShutdown 2
-static int Shutdown = NoShutdown;
+static int Shutdown = NoShutdown;
-static bool FatalError = false;
+static bool FatalError = false;
/*
* State for assigning random salts and cancel keys.
/*
* postmaster.c - function prototypes
*/
-static void pmdaemonize(char *extraoptions);
-static Port *ConnCreate(int serverFd);
-static void ConnFree(Port *port);
-static void reset_shared(unsigned short port);
-static void pmdie(SIGNAL_ARGS);
-static void reaper(SIGNAL_ARGS);
-static void dumpstatus(SIGNAL_ARGS);
-static void CleanupProc(int pid, int exitstatus);
-static int DoBackend(Port *port);
-static void ExitPostmaster(int status);
-static void usage(const char *);
-static int ServerLoop(void);
-static int BackendStartup(Port *port);
-static int readStartupPacket(void *arg, PacketLen len, void *pkt);
-static int processCancelRequest(Port *port, PacketLen len, void *pkt);
-static int initMasks(fd_set *rmask, fd_set *wmask);
-static long PostmasterRandom(void);
-static void RandomSalt(char *salt);
-static void SignalChildren(SIGNAL_ARGS);
-static int CountChildren(void);
-static int SetOptsFile(char *progname, int port, char *datadir,
- int assert, int nbuf, char *execfile,
- int debuglvl, int netserver,
+static void pmdaemonize(char *extraoptions);
+static Port *ConnCreate(int serverFd);
+static void ConnFree(Port *port);
+static void reset_shared(unsigned short port);
+static void pmdie(SIGNAL_ARGS);
+static void reaper(SIGNAL_ARGS);
+static void dumpstatus(SIGNAL_ARGS);
+static void CleanupProc(int pid, int exitstatus);
+static int DoBackend(Port *port);
+static void ExitPostmaster(int status);
+static void usage(const char *);
+static int ServerLoop(void);
+static int BackendStartup(Port *port);
+static int readStartupPacket(void *arg, PacketLen len, void *pkt);
+static int processCancelRequest(Port *port, PacketLen len, void *pkt);
+static int initMasks(fd_set *rmask, fd_set *wmask);
+static long PostmasterRandom(void);
+static void RandomSalt(char *salt);
+static void SignalChildren(SIGNAL_ARGS);
+static int CountChildren(void);
+static int
+SetOptsFile(char *progname, int port, char *datadir,
+ int assert, int nbuf, char *execfile,
+ int debuglvl, int netserver,
#ifdef USE_SSL
- int securenetserver,
+ int securenetserver,
#endif
- int maxbackends, int reinit,
- int silent, int sendstop, char *extraoptions);
+ int maxbackends, int reinit,
+ int silent, int sendstop, char *extraoptions);
-extern int BootstrapMain(int argc, char *argv[]);
-static pid_t SSDataBase(bool startup);
-#define StartupDataBase() SSDataBase(true)
-#define ShutdownDataBase() SSDataBase(false)
+extern int BootstrapMain(int argc, char *argv[]);
+static pid_t SSDataBase(bool startup);
+
+#define StartupDataBase() SSDataBase(true)
+#define ShutdownDataBase() SSDataBase(false)
#ifdef USE_SSL
static void InitSSL(void);
+
#endif
#ifdef CYR_RECODE
void GetCharSetByHost(char *, int, char *);
+
#endif
#ifdef USE_ASSERT_CHECKING
-int assert_enabled = 1;
+int assert_enabled = 1;
#endif
FILE *fp;
snprintf(path, sizeof(path), "%s%cbase%ctemplate1%cpg_class",
- DataDir, SEP_CHAR, SEP_CHAR, SEP_CHAR);
+ DataDir, SEP_CHAR, SEP_CHAR, SEP_CHAR);
#ifndef __CYGWIN32__
fp = AllocateFile(path, "r");
#else
bool DataDirOK; /* We have a usable PGDATA value */
char hostbuf[MAXHOSTNAMELEN];
int nonblank_argc;
- char original_extraoptions[MAXPGPATH];
+ char original_extraoptions[MAXPGPATH];
*original_extraoptions = '\0';
DataDir = optarg;
break;
case 'd':
+
/*
* Turn on debugging for the postmaster and the backend
* servers descended from it.
* Select default values for switches where needed
*/
if (PostPortName == 0)
- PostPortName = (unsigned short)pq_getport();
+ PostPortName = (unsigned short) pq_getport();
/*
* Check for invalid combinations of switches
*/
if (NBuffers < 2 * MaxBackends || NBuffers < 16)
{
- /* Do not accept -B so small that backends are likely to starve for
- * lack of buffers. The specific choices here are somewhat arbitrary.
+
+ /*
+ * Do not accept -B so small that backends are likely to starve
+ * for lack of buffers. The specific choices here are somewhat
+ * arbitrary.
*/
fprintf(stderr, "%s: -B must be at least twice -N and at least 16.\n",
progname);
{
status = StreamServerPort(hostName, PostPortName, &ServerSock_INET);
if (status != STATUS_OK)
- {
+ {
fprintf(stderr, "%s: cannot create INET stream port\n",
progname);
exit(1);
- }
+ }
}
#if !defined(__CYGWIN32__) && !defined(__QNX__)
BackendList = DLNewList();
PortList = DLNewList();
- if (silentflag) {
+ if (silentflag)
pmdaemonize(original_extraoptions);
- } else {
+ else
+ {
+
/*
* create pid file. if the file has already existed, exits.
*/
- SetPidFname(DataDir);
- if (SetPidFile(getpid()) == 0) {
- if (SetOptsFile(
- progname, /* postmaster executable file */
- PostPortName, /* port number */
- DataDir, /* PGDATA */
- assert_enabled, /* whether -A is specified or not */
- NBuffers, /* -B: number of shared buffers */
- Execfile, /* -b: postgres executable file */
- DebugLvl, /* -d: debug level */
- NetServer, /* -i: accept connection from INET */
+ SetPidFname(DataDir);
+ if (SetPidFile(getpid()) == 0)
+ {
+ if (SetOptsFile(
+ progname, /* postmaster executable file */
+ PostPortName, /* port number */
+ DataDir, /* PGDATA */
+ assert_enabled, /* whether -A is specified
+ * or not */
+ NBuffers, /* -B: number of shared buffers */
+ Execfile, /* -b: postgres executable file */
+ DebugLvl, /* -d: debug level */
+ NetServer, /* -i: accept connection from INET */
#ifdef USE_SSL
- SecureNetServer, /* -l: use SSL */
+ SecureNetServer, /* -l: use SSL */
#endif
- MaxBackends, /* -N: max number of backends */
- Reinit, /* -n: reinit shared mem after failure */
- silentflag, /* -S: detach tty */
- SendStop, /* -s: send SIGSTOP */
- original_extraoptions /* options for backend */
- ) != 0) {
- UnlinkPidFile();
- ExitPostmaster(1);
- return 0; /* not reached */
- }
- }
- else {
- ExitPostmaster(1);
- return 0; /* not reached */
- }
-
- /*
- * register clean up proc
- */
- on_proc_exit(UnlinkPidFile, NULL);
+ MaxBackends, /* -N: max number of
+ * backends */
+ Reinit, /* -n: reinit shared mem after
+ * failure */
+ silentflag, /* -S: detach tty */
+ SendStop, /* -s: send SIGSTOP */
+ original_extraoptions /* options for backend */
+ ) != 0)
+ {
+ UnlinkPidFile();
+ ExitPostmaster(1);
+ return 0; /* not reached */
+ }
+ }
+ else
+ {
+ ExitPostmaster(1);
+ return 0; /* not reached */
+ }
+
+ /*
+ * register clean up proc
+ */
+ on_proc_exit(UnlinkPidFile, NULL);
}
+
/*
* Set up signal handlers for the postmaster process.
*/
PG_INITMASK();
PG_SETMASK(&BlockSig);
- pqsignal(SIGHUP, pmdie); /* send SIGHUP, don't die */
- pqsignal(SIGINT, pmdie); /* send SIGTERM and ShutdownDataBase */
- pqsignal(SIGQUIT, pmdie); /* send SIGUSR1 and die */
- pqsignal(SIGTERM, pmdie); /* wait for children and ShutdownDataBase */
- pqsignal(SIGALRM, SIG_IGN); /* ignored */
- pqsignal(SIGPIPE, SIG_IGN); /* ignored */
- pqsignal(SIGUSR1, SIG_IGN); /* ignored */
- pqsignal(SIGUSR2, pmdie); /* send SIGUSR2, don't die */
- pqsignal(SIGCHLD, reaper); /* handle child termination */
- pqsignal(SIGTTIN, SIG_IGN); /* ignored */
- pqsignal(SIGTTOU, SIG_IGN); /* ignored */
- pqsignal(SIGWINCH, dumpstatus); /* dump port status */
+ pqsignal(SIGHUP, pmdie); /* send SIGHUP, don't die */
+ pqsignal(SIGINT, pmdie); /* send SIGTERM and ShutdownDataBase */
+ pqsignal(SIGQUIT, pmdie); /* send SIGUSR1 and die */
+ pqsignal(SIGTERM, pmdie); /* wait for children and ShutdownDataBase */
+ pqsignal(SIGALRM, SIG_IGN); /* ignored */
+ pqsignal(SIGPIPE, SIG_IGN); /* ignored */
+ pqsignal(SIGUSR1, SIG_IGN); /* ignored */
+ pqsignal(SIGUSR2, pmdie); /* send SIGUSR2, don't die */
+ pqsignal(SIGCHLD, reaper); /* handle child termination */
+ pqsignal(SIGTTIN, SIG_IGN); /* ignored */
+ pqsignal(SIGTTOU, SIG_IGN); /* ignored */
+ pqsignal(SIGWINCH, dumpstatus); /* dump port status */
StartupPID = StartupDataBase();
pmdaemonize(char *extraoptions)
{
int i;
- pid_t pid;
+ pid_t pid;
SetPidFname(DataDir);
pid = fork();
- if (pid == -1) {
+ if (pid == -1)
+ {
perror("Failed to fork postmaster");
ExitPostmaster(1);
- return; /* not reached */
- } else if (pid) { /* parent */
- /*
- * create pid file. if the file has already existed, exits.
- */
- if (SetPidFile(pid) == 0) {
- if (SetOptsFile(
- progname, /* postmaster executable file */
- PostPortName, /* port number */
- DataDir, /* PGDATA */
- assert_enabled, /* whether -A is specified or not */
- NBuffers, /* -B: number of shared buffers */
- Execfile, /* -b: postgres executable file */
- DebugLvl, /* -d: debug level */
- NetServer, /* -i: accept connection from INET */
+ return; /* not reached */
+ }
+ else if (pid)
+ { /* parent */
+
+ /*
+ * create pid file. if the file has already existed, exits.
+ */
+ if (SetPidFile(pid) == 0)
+ {
+ if (SetOptsFile(
+ progname, /* postmaster executable file */
+ PostPortName, /* port number */
+ DataDir, /* PGDATA */
+ assert_enabled, /* whether -A is specified
+ * or not */
+ NBuffers, /* -B: number of shared buffers */
+ Execfile, /* -b: postgres executable file */
+ DebugLvl, /* -d: debug level */
+ NetServer, /* -i: accept connection from INET */
#ifdef USE_SSL
- SecureNetServer, /* -l: use SSL */
+ SecureNetServer, /* -l: use SSL */
#endif
- MaxBackends, /* -N: max number of backends */
- Reinit, /* -n: reinit shared mem after failure */
- 1, /* -S: detach tty */
- SendStop, /* -s: send SIGSTOP */
- extraoptions /* options for backend */
- ) != 0) {
- /*
- * Failed to create opts file. kill the child and
- * exit now.
- */
- UnlinkPidFile();
- kill(pid, SIGTERM);
- ExitPostmaster(1);
- return; /* not reached */
- }
- _exit(0);
- }
- else {
- /*
- * Failed to create pid file. kill the child and
- * exit now.
- */
- kill(pid, SIGTERM);
- ExitPostmaster(1);
- return; /* not reached */
- }
+ MaxBackends, /* -N: max number of
+ * backends */
+ Reinit, /* -n: reinit shared mem after
+ * failure */
+ 1, /* -S: detach tty */
+ SendStop, /* -s: send SIGSTOP */
+ extraoptions /* options for backend */
+ ) != 0)
+ {
+
+ /*
+ * Failed to create opts file. kill the child and exit
+ * now.
+ */
+ UnlinkPidFile();
+ kill(pid, SIGTERM);
+ ExitPostmaster(1);
+ return; /* not reached */
+ }
+ _exit(0);
+ }
+ else
+ {
+
+ /*
+ * Failed to create pid file. kill the child and exit now.
+ */
+ kill(pid, SIGTERM);
+ ExitPostmaster(1);
+ return; /* not reached */
+ }
}
/* GH: If there's no setsid(), we hopefully don't need silent mode.
fprintf(stderr, "\t-d [1-5]\tset debugging level\n");
fprintf(stderr, "\t-i \t\tlisten on TCP/IP sockets as well as Unix domain socket\n");
#ifdef USE_SSL
- fprintf(stderr," \t-l \t\tfor TCP/IP sockets, listen only on SSL connections\n");
+ fprintf(stderr, " \t-l \t\tfor TCP/IP sockets, listen only on SSL connections\n");
#endif
fprintf(stderr, "\t-N nprocs\tset max number of backends (1..%d, default %d)\n",
MAXBACKENDS, DEF_MAXBACKENDS);
Port *port;
fd_set rmask,
wmask;
+
#ifdef USE_SSL
- int no_select = 0;
+ int no_select = 0;
+
#endif
memmove((char *) &rmask, (char *) &readmask, sizeof(fd_set));
#ifdef USE_SSL
for (curr = DLGetHead(PortList); curr; curr = DLGetSucc(curr))
{
- if (((Port *)DLE_VAL(curr))->ssl &&
- SSL_pending(((Port *)DLE_VAL(curr))->ssl) > 0)
+ if (((Port *) DLE_VAL(curr))->ssl &&
+ SSL_pending(((Port *) DLE_VAL(curr))->ssl) > 0)
{
- no_select = 1;
- break;
+ no_select = 1;
+ break;
}
}
PG_SETMASK(&UnBlockSig);
- if (no_select)
- FD_ZERO(&rmask); /* So we don't accept() anything below */
+ if (no_select)
+ FD_ZERO(&rmask); /* So we don't accept() anything below */
else
#else
PG_SETMASK(&UnBlockSig);
#if !defined(__CYGWIN32__) && !defined(__QNX__)
if (ServerSock_UNIX != INVALID_SOCK &&
FD_ISSET(ServerSock_UNIX, &rmask) &&
- (port = ConnCreate(ServerSock_UNIX)) != NULL) {
- PacketReceiveSetup(&port->pktInfo,
+ (port = ConnCreate(ServerSock_UNIX)) != NULL)
+ {
+ PacketReceiveSetup(&port->pktInfo,
readStartupPacket,
(void *) port);
}
#endif
if (ServerSock_INET != INVALID_SOCK &&
- FD_ISSET(ServerSock_INET, &rmask) &&
- (port = ConnCreate(ServerSock_INET)) != NULL) {
+ FD_ISSET(ServerSock_INET, &rmask) &&
+ (port = ConnCreate(ServerSock_INET)) != NULL)
+ {
PacketReceiveSetup(&port->pktInfo,
readStartupPacket,
(void *) port);
Port *port = (Port *) DLE_VAL(curr);
int status = STATUS_OK;
Dlelem *next;
- int readyread = 0;
+ int readyread = 0;
#ifdef USE_SSL
- if (port->ssl) {
- if (SSL_pending(port->ssl) ||
- FD_ISSET(port->sock, &rmask))
- readyread = 1;
+ if (port->ssl)
+ {
+ if (SSL_pending(port->ssl) ||
+ FD_ISSET(port->sock, &rmask))
+ readyread = 1;
}
else
#endif
if (status == STATUS_OK && port->pktInfo.state == Idle)
{
- /*
+
+ /*
* Can't start backend if max backend count is exceeded.
- *
+ *
* The same when shutdowning data base.
*/
if (Shutdown > NoShutdown)
PacketSendError(&port->pktInfo,
- "The Data Base System is shutting down");
+ "The Data Base System is shutting down");
else if (StartupPID)
PacketSendError(&port->pktInfo,
- "The Data Base System is starting up");
+ "The Data Base System is starting up");
else if (FatalError)
PacketSendError(&port->pktInfo,
- "The Data Base System is in recovery mode");
+ "The Data Base System is in recovery mode");
else if (CountChildren() >= MaxBackends)
PacketSendError(&port->pktInfo,
"Sorry, too many clients already");
else
{
+
/*
* If the backend start fails then keep the connection
* open to report it. Otherwise, pretend there is an
port = (Port *) arg;
si = (StartupPacket *) pkt;
-
+
/*
* The first field is either a protocol version number or a special
* request code.
if (port->proto == CANCEL_REQUEST_CODE)
return processCancelRequest(port, len, pkt);
- if (port->proto == NEGOTIATE_SSL_CODE) {
- char SSLok;
-
+ if (port->proto == NEGOTIATE_SSL_CODE)
+ {
+ char SSLok;
+
#ifdef USE_SSL
- SSLok = 'S'; /* Support for SSL */
+ SSLok = 'S'; /* Support for SSL */
#else
- SSLok = 'N'; /* No support for SSL */
+ SSLok = 'N'; /* No support for SSL */
#endif
- if (send(port->sock, &SSLok, 1, 0) != 1) {
- perror("Failed to send SSL negotiation response");
- return STATUS_ERROR; /* Close connection */
- }
-
+ if (send(port->sock, &SSLok, 1, 0) != 1)
+ {
+ perror("Failed to send SSL negotiation response");
+ return STATUS_ERROR;/* Close connection */
+ }
+
#ifdef USE_SSL
- if (!(port->ssl = SSL_new(SSL_context)) ||
- !SSL_set_fd(port->ssl, port->sock) ||
- SSL_accept(port->ssl) <= 0)
- {
- fprintf(stderr,"Failed to initialize SSL connection: %s, errno: %d (%s)\n",
- ERR_reason_error_string(ERR_get_error()), errno, strerror(errno));
- return STATUS_ERROR;
- }
+ if (!(port->ssl = SSL_new(SSL_context)) ||
+ !SSL_set_fd(port->ssl, port->sock) ||
+ SSL_accept(port->ssl) <= 0)
+ {
+ fprintf(stderr, "Failed to initialize SSL connection: %s, errno: %d (%s)\n",
+ ERR_reason_error_string(ERR_get_error()), errno, strerror(errno));
+ return STATUS_ERROR;
+ }
#endif
- /* ready for the normal startup packet */
- PacketReceiveSetup(&port->pktInfo,
- readStartupPacket,
- (void *)port);
- return STATUS_OK; /* Do not close connection */
- }
+ /* ready for the normal startup packet */
+ PacketReceiveSetup(&port->pktInfo,
+ readStartupPacket,
+ (void *) port);
+ return STATUS_OK; /* Do not close connection */
+ }
/* Could add additional special packet types here */
#ifdef USE_SSL
- /*
- * Any SSL negotiation must have taken place here, so drop the connection
- * ASAP if we require SSL
+
+ /*
+ * Any SSL negotiation must have taken place here, so drop the
+ * connection ASAP if we require SSL
*/
if (SecureNetServer && !port->ssl)
{
* ConnFree -- cree a local connection data structure
*/
static void
-ConnFree(Port *conn)
+ConnFree(Port *conn)
{
#ifdef USE_SSL
- if (conn->ssl) {
- SSL_free(conn->ssl);
- }
+ if (conn->ssl)
+ SSL_free(conn->ssl);
#endif
free(conn);
}
pmdie(SIGNAL_ARGS)
{
PG_SETMASK(&BlockSig);
-
+
TPRINTF(TRACE_VERBOSE, "pmdie %d", postgres_signal_arg);
switch (postgres_signal_arg)
{
case SIGHUP:
- /*
+
+ /*
* Send SIGHUP to all children (update options flags)
*/
if (Shutdown > SmartShutdown)
SignalChildren(SIGHUP);
return;
case SIGUSR2:
- /*
- * Send SIGUSR2 to all children (AsyncNotifyHandler)
+
+ /*
+ * Send SIGUSR2 to all children (AsyncNotifyHandler)
*/
if (Shutdown > SmartShutdown)
return;
return;
case SIGTERM:
+
/*
* Smart Shutdown:
*
tnow = time(NULL);
fprintf(stderr, "Smart Shutdown request at %s", ctime(&tnow));
fflush(stderr);
- if (DLGetHead(BackendList)) /* let reaper() handle this */
+ if (DLGetHead(BackendList)) /* let reaper() handle this */
return;
+
/*
* No children left. Shutdown data base system.
*/
- if (StartupPID > 0 || FatalError) /* let reaper() handle this */
+ if (StartupPID > 0 || FatalError) /* let reaper() handle
+ * this */
return;
if (ShutdownPID > 0)
abort();
return;
case SIGINT:
+
/*
* Fast Shutdown:
- *
- * abort all children with SIGTERM (rollback active
- * transactions and exit) and ShutdownDataBase.
+ *
+ * abort all children with SIGTERM (rollback active transactions
+ * and exit) and ShutdownDataBase.
*/
if (Shutdown >= FastShutdown)
return;
tnow = time(NULL);
fprintf(stderr, "Fast Shutdown request at %s", ctime(&tnow));
fflush(stderr);
- if (DLGetHead(BackendList)) /* let reaper() handle this */
+ if (DLGetHead(BackendList)) /* let reaper() handle this */
{
Shutdown = FastShutdown;
if (!FatalError)
return;
}
Shutdown = FastShutdown;
+
/*
* No children left. Shutdown data base system.
*/
- if (StartupPID > 0 || FatalError) /* let reaper() handle this */
+ if (StartupPID > 0 || FatalError) /* let reaper() handle
+ * this */
return;
if (ShutdownPID > 0)
abort();
return;
case SIGQUIT:
- /*
+
+ /*
* Immediate Shutdown:
- *
- * abort all children with SIGUSR1 and exit without
- * attempt to properly shutdown data base system.
+ *
+ * abort all children with SIGUSR1 and exit without attempt to
+ * properly shutdown data base system.
*/
tnow = time(NULL);
fprintf(stderr, "Immediate Shutdown request at %s", ctime(&tnow));
/* GH: replace waitpid for !HAVE_WAITPID. Does this work ? */
#ifdef HAVE_WAITPID
int status; /* backend exit status */
+
#else
union wait status; /* backend exit status */
+
#endif
int exitstatus;
int pid; /* process id of dead backend */
if (FatalError)
{
+
/*
* Wait for all children exit then StartupDataBase.
*/
return;
tnow = time(NULL);
fprintf(stderr, "Server processes were terminated at %s"
- "Reinitializing shared memory and semaphores\n",
- ctime(&tnow));
+ "Reinitializing shared memory and semaphores\n",
+ ctime(&tnow));
fflush(stderr);
shmem_exit(0);
reset_shared(PostPortName);
{
tnow = time(NULL);
fprintf(stderr, "Server process (pid %d) exited with status %d at %s"
- "Terminating any active server processes...\n",
- pid, exitstatus, ctime(&tnow));
+ "Terminating any active server processes...\n",
+ pid, exitstatus, ctime(&tnow));
fflush(stderr);
}
FatalError = true;
bp = (Backend *) DLE_VAL(curr);
/*
- * SIGUSR1 is the special signal that says exit
- * without proc_exit and let the user know what's going on.
- * ProcSemaphoreKill() cleans up the backends semaphore. If
- * SendStop is set (-s on command line), then we send a SIGSTOP so
- * that we can core dumps from all backends by hand.
+ * SIGUSR1 is the special signal that says exit without proc_exit
+ * and let the user know what's going on. ProcSemaphoreKill()
+ * cleans up the backends semaphore. If SendStop is set (-s on
+ * command line), then we send a SIGSTOP so that we can core dumps
+ * from all backends by hand.
*/
sig = (SendStop) ? SIGSTOP : SIGUSR1;
if (bp->pid != pid)
}
else
{
+
/*
- * I don't like that we call ProcRemove() here, assuming that
- * shmem may be corrupted! But is there another way to free
- * backend semaphores? Actually, I believe that we need not
- * in per backend semaphore at all (we use them to wait on lock
- * only, couldn't we just sigpause?), so probably we'll
- * remove this call from here someday. -- vadim 04-10-1999
+ * I don't like that we call ProcRemove() here, assuming that
+ * shmem may be corrupted! But is there another way to free
+ * backend semaphores? Actually, I believe that we need not in
+ * per backend semaphore at all (we use them to wait on lock
+ * only, couldn't we just sigpause?), so probably we'll remove
+ * this call from here someday. -- vadim 04-10-1999
*/
ProcRemove(pid);
*/
/* We don't want the postmaster's proc_exit() handlers */
- on_exit_reset();
+ on_exit_reset();
- /*
+ /*
* Signal handlers setting is moved to tcop/postgres...
*/
/* Close the postmaster sockets */
- if (NetServer)
+ if (NetServer)
StreamClose(ServerSock_INET);
#if !defined(__CYGWIN32__) && !defined(__QNX__)
StreamClose(ServerSock_UNIX);
#endif
/*
- * Pass the requested debugging level along to the backend.
- * Level one debugging in the postmaster traces
- * postmaster connection activity, and levels two and higher are
- * passed along to the backend. This allows us to watch only the
- * postmaster or the postmaster and the backend.
+ * Pass the requested debugging level along to the backend. Level one
+ * debugging in the postmaster traces postmaster connection activity,
+ * and levels two and higher are passed along to the backend. This
+ * allows us to watch only the postmaster or the postmaster and the
+ * backend.
*/
if (DebugLvl > 1)
{
/*
* Initialize SSL library and structures
*/
-static void InitSSL(void) {
- char fnbuf[2048];
-
- SSL_load_error_strings();
- SSL_library_init();
- SSL_context = SSL_CTX_new(SSLv23_method());
- if (!SSL_context) {
- fprintf(stderr, "Failed to create SSL context: %s\n",ERR_reason_error_string(ERR_get_error()));
- exit(1);
- }
- snprintf(fnbuf,sizeof(fnbuf),"%s/server.crt", DataDir);
- if (!SSL_CTX_use_certificate_file(SSL_context, fnbuf, SSL_FILETYPE_PEM)) {
- fprintf(stderr, "Failed to load server certificate (%s): %s\n",fnbuf,ERR_reason_error_string(ERR_get_error()));
- exit(1);
- }
- snprintf(fnbuf,sizeof(fnbuf),"%s/server.key", DataDir);
- if (!SSL_CTX_use_PrivateKey_file(SSL_context, fnbuf, SSL_FILETYPE_PEM)) {
- fprintf(stderr, "Failed to load private key file (%s): %s\n",fnbuf,ERR_reason_error_string(ERR_get_error()));
- exit(1);
- }
- if (!SSL_CTX_check_private_key(SSL_context)) {
- fprintf(stderr, "Check of private key failed: %s\n",ERR_reason_error_string(ERR_get_error()));
- exit(1);
- }
+static void
+InitSSL(void)
+{
+ char fnbuf[2048];
+
+ SSL_load_error_strings();
+ SSL_library_init();
+ SSL_context = SSL_CTX_new(SSLv23_method());
+ if (!SSL_context)
+ {
+ fprintf(stderr, "Failed to create SSL context: %s\n", ERR_reason_error_string(ERR_get_error()));
+ exit(1);
+ }
+ snprintf(fnbuf, sizeof(fnbuf), "%s/server.crt", DataDir);
+ if (!SSL_CTX_use_certificate_file(SSL_context, fnbuf, SSL_FILETYPE_PEM))
+ {
+ fprintf(stderr, "Failed to load server certificate (%s): %s\n", fnbuf, ERR_reason_error_string(ERR_get_error()));
+ exit(1);
+ }
+ snprintf(fnbuf, sizeof(fnbuf), "%s/server.key", DataDir);
+ if (!SSL_CTX_use_PrivateKey_file(SSL_context, fnbuf, SSL_FILETYPE_PEM))
+ {
+ fprintf(stderr, "Failed to load private key file (%s): %s\n", fnbuf, ERR_reason_error_string(ERR_get_error()));
+ exit(1);
+ }
+ if (!SSL_CTX_check_private_key(SSL_context))
+ {
+ fprintf(stderr, "Check of private key failed: %s\n", ERR_reason_error_string(ERR_get_error()));
+ exit(1);
+ }
}
+
#endif
static pid_t
{
pid_t pid;
int i;
- static char ssEntry[4][2 * ARGV_SIZE];
+ static char ssEntry[4][2 * ARGV_SIZE];
for (i = 0; i < 4; ++i)
MemSet(ssEntry[i], 0, 2 * ARGV_SIZE);
char nbbuf[ARGV_SIZE];
char dbbuf[ARGV_SIZE];
- on_exit_reset();
- if (NetServer)
+ on_exit_reset();
+ if (NetServer)
StreamClose(ServerSock_INET);
#if !defined(__CYGWIN32__) && !defined(__QNX__)
StreamClose(ServerSock_UNIX);
BlockSig &= ~(sigmask(SIGQUIT));
#endif
PG_SETMASK(&BlockSig);
-
+
BootstrapMain(ac, av);
exit(0);
}
if (pid < 0)
{
fprintf(stderr, "%s Data Base: fork failed: %s\n",
- ((startup) ? "Startup" : "Shutdown"), strerror(errno));
+ ((startup) ? "Startup" : "Shutdown"), strerror(errno));
ExitPostmaster(1);
}
NextBackendTag -= 1;
- return(pid);
+ return (pid);
}
/*
* Create the opts file
*/
-static int SetOptsFile(char *progname, int port, char *datadir,
- int assert, int nbuf, char *execfile,
- int debuglvl, int netserver,
+static int
+SetOptsFile(char *progname, int port, char *datadir,
+ int assert, int nbuf, char *execfile,
+ int debuglvl, int netserver,
#ifdef USE_SSL
- int securenetserver,
+ int securenetserver,
#endif
- int maxbackends, int reinit,
- int silent, int sendstop, char *extraoptions)
+ int maxbackends, int reinit,
+ int silent, int sendstop, char *extraoptions)
{
- int fd;
- char optsfile[MAXPGPATH];
- char opts[1024];
- char buf[1024];
+ int fd;
+ char optsfile[MAXPGPATH];
+ char opts[1024];
+ char buf[1024];
/*
* Creating opts file
*/
snprintf(optsfile, sizeof(optsfile), "%s/%s", datadir, OPTSFNAME);
fd = open(optsfile, O_RDWR | O_TRUNC | O_CREAT, 0600);
- if (fd < 0) {
+ if (fd < 0)
+ {
fprintf(stderr, "Can't create optsfile:%s", optsfile);
- return(-1);
+ return (-1);
}
- snprintf(opts, sizeof(opts), "%s\n-p %d\n-D %s\n",progname, port, datadir);
- if (assert) {
+ snprintf(opts, sizeof(opts), "%s\n-p %d\n-D %s\n", progname, port, datadir);
+ if (assert)
+ {
sprintf(buf, "-A %d\n", assert);
strcat(opts, buf);
}
- snprintf(buf, sizeof(buf), "-B %d\n-b %s\n",nbuf, execfile);
+ snprintf(buf, sizeof(buf), "-B %d\n-b %s\n", nbuf, execfile);
strcat(opts, buf);
- if (debuglvl) {
+ if (debuglvl)
+ {
sprintf(buf, "-d %d\n", debuglvl);
strcat(opts, buf);
}
- if (netserver) {
+ if (netserver)
strcat(opts, "-i\n");
- }
#ifdef USE_SSL
- if (securenetserver) {
+ if (securenetserver)
strcat(opts, "-l\n");
- }
#endif
snprintf(buf, sizeof(buf), "-N %d\n", maxbackends);
strcat(opts, buf);
- if (!reinit) {
+ if (!reinit)
strcat(opts, "-n\n");
- }
- if (silent) {
+ if (silent)
strcat(opts, "-S\n");
- }
- if (sendstop) {
+ if (sendstop)
strcat(opts, "-s\n");
- }
- if (strlen(extraoptions) > 0) {
+ if (strlen(extraoptions) > 0)
+ {
strcat(opts, "-o '");
strcat(opts, extraoptions);
strcat(opts, "'");
}
- if (write(fd, opts, strlen(opts)) != strlen(opts)) {
+ if (write(fd, opts, strlen(opts)) != strlen(opts))
+ {
perror("Writing to opts file failed");
close(fd);
- return(-1);
+ return (-1);
}
close(fd);
- return(0);
+ return (0);
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/rewrite/Attic/locks.c,v 1.27 2000/01/26 05:56:49 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/rewrite/Attic/locks.c,v 1.28 2000/04/12 17:15:32 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* XXX this should be unified with attribute_used()
*/
-typedef struct {
+typedef struct
+{
int varno;
int attnum;
int sublevels_up;
} thisLockWasTriggered_context;
static bool
-thisLockWasTriggered_walker (Node *node,
- thisLockWasTriggered_context *context)
+thisLockWasTriggered_walker(Node *node,
+ thisLockWasTriggered_context *context)
{
if (node == NULL)
return false;
}
if (IsA(node, SubLink))
{
+
/*
- * Standard expression_tree_walker will not recurse into subselect,
- * but here we must do so.
+ * Standard expression_tree_walker will not recurse into
+ * subselect, but here we must do so.
*/
SubLink *sub = (SubLink *) node;
context->sublevels_up++;
if (thisLockWasTriggered_walker((Node *) (sub->subselect), context))
{
- context->sublevels_up--; /* not really necessary */
+ context->sublevels_up--; /* not really necessary */
return true;
}
context->sublevels_up--;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteDefine.c,v 1.43 2000/02/26 06:36:44 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteDefine.c,v 1.44 2000/04/12 17:15:32 momjian Exp $
*
*-------------------------------------------------------------------------
*/
appendStringInfoChar(buf, '\'');
for (current = source; *current; current++)
{
- char ch = *current;
+ char ch = *current;
+
if (ch == '\'' || ch == '\\')
{
appendStringInfoChar(buf, '\\');
rule = event_relation->rd_rules->rules[i];
if (rule->event == CMD_SELECT)
elog(ERROR, "%s is already a view",
- RelationGetRelationName(event_relation));
+ RelationGetRelationName(event_relation));
}
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteHandler.c,v 1.70 2000/04/04 02:30:52 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteHandler.c,v 1.71 2000/04/12 17:15:32 momjian Exp $
*
*-------------------------------------------------------------------------
*/
bool *instead_flag);
static bool rangeTableEntry_used(Node *node, int rt_index, int sublevels_up);
static bool attribute_used(Node *node, int rt_index, int attno,
- int sublevels_up);
+ int sublevels_up);
static bool modifyAggrefChangeVarnodes(Node *node, int rt_index, int new_index,
- int sublevels_up, int new_sublevels_up);
+ int sublevels_up, int new_sublevels_up);
static Node *modifyAggrefDropQual(Node *node, Node *targetNode);
static SubLink *modifyAggrefMakeSublink(Aggref *aggref, Query *parsetree);
static Node *modifyAggrefQual(Node *node, Query *parsetree);
static Query *fireRIRrules(Query *parsetree);
static Query *Except_Intersect_Rewrite(Query *parsetree);
static void check_targetlists_are_compatible(List *prev_target,
- List *current_target);
+ List *current_target);
static void create_intersect_list(Node *ptr, List **intersect_list);
static Node *intersect_tree_analyze(Node *tree, Node *first_select,
- Node *parsetree);
+ Node *parsetree);
/*
* gatherRewriteMeta -
* referenced somewhere in var nodes of the query.
*/
-typedef struct {
+typedef struct
+{
int rt_index;
int sublevels_up;
} rangeTableEntry_used_context;
static bool
-rangeTableEntry_used_walker (Node *node,
- rangeTableEntry_used_context *context)
+rangeTableEntry_used_walker(Node *node,
+ rangeTableEntry_used_context *context)
{
if (node == NULL)
return false;
}
if (IsA(node, SubLink))
{
+
/*
- * Standard expression_tree_walker will not recurse into subselect,
- * but here we must do so.
+ * Standard expression_tree_walker will not recurse into
+ * subselect, but here we must do so.
*/
SubLink *sub = (SubLink *) node;
* somewhere in the query
*/
-typedef struct {
+typedef struct
+{
int rt_index;
int attno;
int sublevels_up;
} attribute_used_context;
static bool
-attribute_used_walker (Node *node,
- attribute_used_context *context)
+attribute_used_walker(Node *node,
+ attribute_used_context *context)
{
if (node == NULL)
return false;
}
if (IsA(node, SubLink))
{
+
/*
- * Standard expression_tree_walker will not recurse into subselect,
- * but here we must do so.
+ * Standard expression_tree_walker will not recurse into
+ * subselect, but here we must do so.
*/
SubLink *sub = (SubLink *) node;
* not having the option to adjust the vars' varlevelsup.
*
* NOTE: although this has the form of a walker, we cheat and modify the
- * Var nodes in-place. The given expression tree should have been copied
+ * Var nodes in-place. The given expression tree should have been copied
* earlier to ensure that no unwanted side-effects occur!
*/
-typedef struct {
+typedef struct
+{
int rt_index;
int new_index;
int sublevels_up;
static bool
modifyAggrefChangeVarnodes_walker(Node *node,
- modifyAggrefChangeVarnodes_context *context)
+ modifyAggrefChangeVarnodes_context *context)
{
if (node == NULL)
return false;
}
if (IsA(node, SubLink))
{
+
/*
- * Standard expression_tree_walker will not recurse into subselect,
- * but here we must do so.
+ * Standard expression_tree_walker will not recurse into
+ * subselect, but here we must do so.
*/
SubLink *sub = (SubLink *) node;
* targetNode is an Aggref node somewhere within the given expression tree.
* Find the boolean operator that's presumably somewhere above it, and replace
* that whole operator expression with a constant TRUE. (This is NOT really
- * quite the right thing, but it handles simple cases. This whole set of
+ * quite the right thing, but it handles simple cases. This whole set of
* Aggref-in-qual routines needs to be thrown away when we can do subselects
* in FROM.)
*
modifyAggrefMakeSublink(Aggref *aggref, Query *parsetree)
{
List *aggVarNos;
+
/* rte points to old structure: */
RangeTblEntry *rte;
+
/* these point to newly-created structures: */
Query *subquery;
SubLink *sublink;
tle = makeNode(TargetEntry);
tle->resdom = resdom;
- tle->expr = copyObject(aggref); /* make a modifiable copy! */
+ tle->expr = copyObject(aggref); /* make a modifiable copy! */
subquery = makeNode(Query);
subquery->targetList = lcons(tle, NIL);
subquery->qual = modifyAggrefDropQual((Node *) parsetree->qual,
(Node *) aggref);
+
/*
- * If there are still aggs in the subselect's qual, give up.
- * Recursing would be a bad idea --- we'd likely produce an
- * infinite recursion. This whole technique is a crock, really...
+ * If there are still aggs in the subselect's qual, give up. Recursing
+ * would be a bad idea --- we'd likely produce an infinite recursion.
+ * This whole technique is a crock, really...
*/
if (checkExprHasAggs(subquery->qual))
elog(ERROR, "Cannot handle multiple aggregate functions in WHERE clause");
/* Increment all varlevelsup fields in the new subquery */
IncrementVarSublevelsUp((Node *) subquery, 1, 0);
- /* Replace references to the target table with correct local varno, 1.
+ /*
+ * Replace references to the target table with correct local varno, 1.
* Note that because of previous line, these references have
* varlevelsup = 1, which must be changed to 0.
*/
parsetree->hasSubLinks = true;
return (Node *) sub;
}
+
/*
* Otherwise, fall through and copy the expr normally.
*
- * We do NOT recurse into subselects in this routine. It's sufficient
- * to get rid of aggregates that are in the qual expression proper.
+ * We do NOT recurse into subselects in this routine. It's sufficient to
+ * get rid of aggregates that are in the qual expression proper.
*/
return expression_tree_mutator(node, modifyAggrefQual,
(void *) parsetree);
* Replace Vars matching a given RT index with copies of TL expressions.
*/
-typedef struct {
- int rt_index;
- int sublevels_up;
- RangeTblEntry *rte;
- List *tlist;
- int *modified;
+typedef struct
+{
+ int rt_index;
+ int sublevels_up;
+ RangeTblEntry *rte;
+ List *tlist;
+ int *modified;
} apply_RIR_view_context;
static Node *
}
/* otherwise fall through to copy the var normally */
}
+
/*
* Since expression_tree_mutator won't touch subselects, we have to
* handle them specially.
*/
if (IsA(node, SubLink))
{
- SubLink *sublink = (SubLink *) node;
- SubLink *newnode;
+ SubLink *sublink = (SubLink *) node;
+ SubLink *newnode;
FLATCOPY(newnode, sublink, SubLink);
MUTATE(newnode->lefthand, sublink->lefthand, List *,
}
if (IsA(node, Query))
{
- Query *query = (Query *) node;
- Query *newnode;
+ Query *query = (Query *) node;
+ Query *newnode;
FLATCOPY(newnode, query, Query);
MUTATE(newnode->targetList, query->targetList, List *,
apply_RIR_view(Node *node, int rt_index, RangeTblEntry *rte, List *tlist,
int *modified, int sublevels_up)
{
- apply_RIR_view_context context;
+ apply_RIR_view_context context;
context.rt_index = rt_index;
context.sublevels_up = sublevels_up;
nothing = TRUE;
rtable = copyObject(parsetree->rtable);
- rt_length = length(rtable); /* original length, not counting rule */
+ rt_length = length(rtable); /* original length, not counting rule */
addedrtable = copyObject(rule_action->rtable);
- /* If the original rel wasn't in the join set, none of its spawn is.
+ /*
+ * If the original rel wasn't in the join set, none of its spawn is.
* If it was, then leave the spawn's flags as they are.
*/
- if (! relWasInJoinSet)
+ if (!relWasInJoinSet)
{
foreach(l, addedrtable)
{
RangeTblEntry *rte = lfirst(l);
+
rte->inJoinSet = false;
}
}
if (relation_level)
{
- RangeTblEntry *rte = rt_fetch(rt_index, rtable);
+ RangeTblEntry *rte = rt_fetch(rt_index, rtable);
parsetree = (Query *) apply_RIR_view((Node *) parsetree,
rt_index, rte,
* Apply fireRIRrules() to each subselect found in the given tree.
*
* NOTE: although this has the form of a walker, we cheat and modify the
- * SubLink nodes in-place. It is caller's responsibility to ensure that
+ * SubLink nodes in-place. It is caller's responsibility to ensure that
* no unwanted side-effects occur!
*/
static bool
int i;
List *l;
- /* don't try to convert this into a foreach loop, because
- * rtable list can get changed each time through...
+ /*
+ * don't try to convert this into a foreach loop, because rtable list
+ * can get changed each time through...
*/
rt_index = 0;
while (rt_index < length(parsetree->rtable))
rte = rt_fetch(rt_index, parsetree->rtable);
/*
- * If the table is not one named in the original FROM clause
- * then it must be referenced in the query, or we ignore it.
- * This prevents infinite expansion loop due to new rtable
- * entries inserted by expansion of a rule.
+ * If the table is not one named in the original FROM clause then
+ * it must be referenced in the query, or we ignore it. This
+ * prevents infinite expansion loop due to new rtable entries
+ * inserted by expansion of a rule.
*/
- if (! rte->inFromCl && rt_index != parsetree->resultRelation &&
- ! rangeTableEntry_used((Node *) parsetree, rt_index, 0))
+ if (!rte->inFromCl && rt_index != parsetree->resultRelation &&
+ !rangeTableEntry_used((Node *) parsetree, rt_index, 0))
{
/* Make sure the planner ignores it too... */
rte->inJoinSet = false;
continue;
}
- relWasInJoinSet = rte->inJoinSet; /* save before possibly clearing */
+ relWasInJoinSet = rte->inJoinSet; /* save before possibly
+ * clearing */
/*
* Collect the RIR rules that we must apply
if (rule->attrno > 0)
{
/* per-attr rule; do we need it? */
- if (! attribute_used((Node *) parsetree,
- rt_index,
- rule->attrno, 0))
+ if (!attribute_used((Node *) parsetree,
+ rt_index,
+ rule->attrno, 0))
continue;
}
else
{
- /* Rel-wide ON SELECT DO INSTEAD means this is a view.
- * Remove the view from the planner's join target set,
- * or we'll get no rows out because view itself is empty!
+
+ /*
+ * Rel-wide ON SELECT DO INSTEAD means this is a view.
+ * Remove the view from the planner's join target set, or
+ * we'll get no rows out because view itself is empty!
*/
if (rule->isInstead)
rte->inJoinSet = false;
/*
* If the query was marked having aggregates, check if this is
- * still true after rewriting. Ditto for sublinks. Note there
+ * still true after rewriting. Ditto for sublinks. Note there
* should be no aggs in the qual at this point.
*/
if (query->hasAggs)
*/
if (parsetree->commandType == CMD_INSERT)
{
+
/*
* The result relation ( = the one to insert into) has to be
* attached to the rtable list of the new top node
/*
* Also prepare the list of Opers that must be used for the
- * comparisons (they depend on the specific datatypes involved!)
+ * comparisons (they depend on the specific datatypes
+ * involved!)
*/
left_expr = n->lefthand;
right_expr = ((Query *) (n->subselect))->targetList;
if (opform->oprresult != BOOLOID)
elog(ERROR, "parser: '%s' must return 'bool' to be used with quantified predicate subquery", op);
- newop = makeOper(oprid(optup),/* opno */
- InvalidOid, /* opid */
+ newop = makeOper(oprid(optup), /* opno */
+ InvalidOid, /* opid */
opform->oprresult,
0,
NULL);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteManip.c,v 1.45 2000/03/16 03:23:18 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteManip.c,v 1.46 2000/04/12 17:15:32 momjian Exp $
*
*-------------------------------------------------------------------------
*/
if (node == NULL)
return false;
if (IsA(node, Aggref))
- return true; /* abort the tree traversal and return true */
+ return true; /* abort the tree traversal and return
+ * true */
return expression_tree_walker(node, checkExprHasAggs_walker, context);
}
if (node == NULL)
return false;
if (IsA(node, SubLink))
- return true; /* abort the tree traversal and return true */
+ return true; /* abort the tree traversal and return
+ * true */
return expression_tree_walker(node, checkExprHasSubLink_walker, context);
}
* The varnoold fields are adjusted similarly.
*
* NOTE: although this has the form of a walker, we cheat and modify the
- * Var nodes in-place. The given expression tree should have been copied
+ * Var nodes in-place. The given expression tree should have been copied
* earlier to ensure that no unwanted side-effects occur!
*/
-typedef struct {
+typedef struct
+{
int offset;
int sublevels_up;
} OffsetVarNodes_context;
}
if (IsA(node, SubLink))
{
+
/*
- * Standard expression_tree_walker will not recurse into subselect,
- * but here we must do so.
+ * Standard expression_tree_walker will not recurse into
+ * subselect, but here we must do so.
*/
SubLink *sub = (SubLink *) node;
*
* Find all Var nodes in the given tree belonging to a specific relation
* (identified by sublevels_up and rt_index), and change their varno fields
- * to 'new_index'. The varnoold fields are changed too.
+ * to 'new_index'. The varnoold fields are changed too.
*
* NOTE: although this has the form of a walker, we cheat and modify the
- * Var nodes in-place. The given expression tree should have been copied
+ * Var nodes in-place. The given expression tree should have been copied
* earlier to ensure that no unwanted side-effects occur!
*/
-typedef struct {
+typedef struct
+{
int rt_index;
int new_index;
int sublevels_up;
}
if (IsA(node, SubLink))
{
+
/*
- * Standard expression_tree_walker will not recurse into subselect,
- * but here we must do so.
+ * Standard expression_tree_walker will not recurse into
+ * subselect, but here we must do so.
*/
SubLink *sub = (SubLink *) node;
* to the expression's original query level or parents thereof.
*
* NOTE: although this has the form of a walker, we cheat and modify the
- * Var nodes in-place. The given expression tree should have been copied
+ * Var nodes in-place. The given expression tree should have been copied
* earlier to ensure that no unwanted side-effects occur!
*/
-typedef struct {
+typedef struct
+{
int delta_sublevels_up;
int min_sublevels_up;
} IncrementVarSublevelsUp_context;
}
if (IsA(node, SubLink))
{
+
/*
- * Standard expression_tree_walker will not recurse into subselect,
- * but here we must do so.
+ * Standard expression_tree_walker will not recurse into
+ * subselect, but here we must do so.
*/
SubLink *sub = (SubLink *) node;
/*
* Make sure query is marked correctly if added qual has sublinks or
- * aggregates (not sure it can ever have aggs, but sublinks definitely).
+ * aggregates (not sure it can ever have aggs, but sublinks
+ * definitely).
*/
parsetree->hasAggs |= checkExprHasAggs(copy);
parsetree->hasSubLinks |= checkExprHasSubLink(copy);
/*
* Make sure query is marked correctly if added qual has sublinks or
- * aggregates (not sure it can ever have aggs, but sublinks definitely).
+ * aggregates (not sure it can ever have aggs, but sublinks
+ * definitely).
*/
parsetree->hasAggs |= checkExprHasAggs(copy);
parsetree->hasSubLinks |= checkExprHasSubLink(copy);
AddHavingQual(parsetree, notqual);
}
+
#endif
void
/* copy the groupclause's TLE from the old tlist */
tle = (TargetEntry *) copyObject(tle);
- /* The ressortgroupref number in the old tlist might be already
+ /*
+ * The ressortgroupref number in the old tlist might be already
* taken in the new tlist, so force assignment of a new number.
*/
tle->resdom->ressortgroupref = 0;
* entry with matching resno from targetlist, if there is one.
*/
-typedef struct {
- RewriteInfo *info;
- List *targetlist;
- int sublevels_up;
+typedef struct
+{
+ RewriteInfo *info;
+ List *targetlist;
+ int sublevels_up;
} ResolveNew_context;
static Node *
}
/* otherwise fall through to copy the var normally */
}
+
/*
* Since expression_tree_mutator won't touch subselects, we have to
* handle them specially.
*/
if (IsA(node, SubLink))
{
- SubLink *sublink = (SubLink *) node;
- SubLink *newnode;
+ SubLink *sublink = (SubLink *) node;
+ SubLink *newnode;
FLATCOPY(newnode, sublink, SubLink);
MUTATE(newnode->lefthand, sublink->lefthand, List *,
}
if (IsA(node, Query))
{
- Query *query = (Query *) node;
- Query *newnode;
+ Query *query = (Query *) node;
+ Query *newnode;
/*
* XXX original code for ResolveNew only recursed into qual field
ResolveNew(Node *node, RewriteInfo *info, List *targetlist,
int sublevels_up)
{
- ResolveNew_context context;
+ ResolveNew_context context;
context.info = info;
context.targetlist = targetlist;
FixNew(RewriteInfo *info, Query *parsetree)
{
info->rule_action->targetList = (List *)
- ResolveNew((Node *) info->rule_action->targetList,
- info, parsetree->targetList, 0);
+ ResolveNew((Node *) info->rule_action->targetList,
+ info, parsetree->targetList, 0);
info->rule_action->qual = ResolveNew(info->rule_action->qual,
info, parsetree->targetList, 0);
/* XXX original code didn't fix havingQual; presumably an oversight? */
info->rule_action->havingQual = ResolveNew(info->rule_action->havingQual,
- info, parsetree->targetList, 0);
+ info, parsetree->targetList, 0);
}
/*
* XXX Why is this not unified with apply_RIR_view()?
*/
-typedef struct {
- List *rtable;
- List *targetlist;
- int rt_index;
- int attr_num;
- int *modified;
- int *badsql;
- int sublevels_up;
+typedef struct
+{
+ List *rtable;
+ List *targetlist;
+ int rt_index;
+ int attr_num;
+ int *modified;
+ int *badsql;
+ int sublevels_up;
} HandleRIRAttributeRule_context;
static Node *
}
else
{
- char *name_to_look_for;
+ char *name_to_look_for;
name_to_look_for = get_attname(getrelid(this_varno,
context->rtable),
return make_null(var->vartype);
/* Make a copy of the tlist item to return */
n = copyObject(n);
- /* Adjust varlevelsup if tlist item is from higher query */
+
+ /*
+ * Adjust varlevelsup if tlist item is from higher
+ * query
+ */
if (this_varlevelsup > 0)
IncrementVarSublevelsUp(n, this_varlevelsup, 0);
return n;
}
/* otherwise fall through to copy the var normally */
}
+
/*
* Since expression_tree_mutator won't touch subselects, we have to
* handle them specially.
*/
if (IsA(node, SubLink))
{
- SubLink *sublink = (SubLink *) node;
- SubLink *newnode;
+ SubLink *sublink = (SubLink *) node;
+ SubLink *newnode;
FLATCOPY(newnode, sublink, SubLink);
MUTATE(newnode->lefthand, sublink->lefthand, List *,
}
if (IsA(node, Query))
{
- Query *query = (Query *) node;
- Query *newnode;
+ Query *query = (Query *) node;
+ Query *newnode;
/*
* XXX original code for HandleRIRAttributeRule only recursed into
- * qual field of subquery. I'm assuming that was an oversight ...
+ * qual field of subquery. I'm assuming that was an oversight ...
*/
FLATCOPY(newnode, query, Query);
int *modified,
int *badsql)
{
- HandleRIRAttributeRule_context context;
+ HandleRIRAttributeRule_context context;
context.rtable = rtable;
context.targetlist = targetlist;
context.badsql = badsql;
context.sublevels_up = 0;
- parsetree->targetList = (List *)
+ parsetree->targetList = (List *)
HandleRIRAttributeRule_mutator((Node *) parsetree->targetList,
&context);
parsetree->qual = HandleRIRAttributeRule_mutator(parsetree->qual,
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteRemove.c,v 1.35 2000/01/26 05:56:50 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteRemove.c,v 1.36 2000/04/12 17:15:32 momjian Exp $
*
*-------------------------------------------------------------------------
*/
/*
* Delete any comments associated with this rule
*
- */
-
+ */
+
DeleteComments(ruleId);
/*
scanDesc = heap_beginscan(RewriteRelation,
0, SnapshotNow, 1, &scanKeyData);
- while (HeapTupleIsValid(tuple = heap_getnext(scanDesc, 0))) {
+ while (HeapTupleIsValid(tuple = heap_getnext(scanDesc, 0)))
+ {
+
+ /*** Delete any comments associated with this relation ***/
- /*** Delete any comments associated with this relation ***/
+ DeleteComments(tuple->t_data->t_oid);
- DeleteComments(tuple->t_data->t_oid);
-
- heap_delete(RewriteRelation, &tuple->t_self, NULL);
+ heap_delete(RewriteRelation, &tuple->t_self, NULL);
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/storage/buffer/buf_init.c,v 1.33 2000/04/09 04:43:18 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/buffer/buf_init.c,v 1.34 2000/04/12 17:15:33 momjian Exp $
*
*-------------------------------------------------------------------------
*/
long *PrivateRefCount; /* also used in freelist.c */
bits8 *BufferLocks; /* flag bits showing locks I have set */
-BufferTag *BufferTagLastDirtied; /* tag buffer had when last dirtied by me */
-BufferBlindId *BufferBlindLastDirtied; /* and its BlindId too */
+BufferTag *BufferTagLastDirtied; /* tag buffer had when last
+ * dirtied by me */
+BufferBlindId *BufferBlindLastDirtied; /* and its BlindId too */
bool *BufferDirtiedByMe; /* T if buf has been dirtied in cur xact */
elog(FATAL, "InitBufferPool: IpcSemaphoreCreate(WaitIOSemId) failed");
WaitCLSemId = IpcSemaphoreCreate(IPCKeyGetWaitCLSemaphoreKey(key),
1, IPCProtection,
- IpcSemaphoreDefaultStartValue, 1);
+ IpcSemaphoreDefaultStartValue, 1);
if (WaitCLSemId < 0)
elog(FATAL, "InitBufferPool: IpcSemaphoreCreate(WaitCLSemId) failed");
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/storage/buffer/bufmgr.c,v 1.79 2000/04/10 23:41:49 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/buffer/bufmgr.c,v 1.80 2000/04/12 17:15:34 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* marking shared buffer as dirty. We set it to false in xact.c
* after transaction is committed/aborted.
*/
-bool SharedBufferChanged = false;
+bool SharedBufferChanged = false;
static void WaitIO(BufferDesc *buf, SPINLOCK spinlock);
static void StartBufferIO(BufferDesc *buf, bool forInput);
/*
* Macro : BUFFER_IS_BROKEN
- * Note that write error doesn't mean the buffer broken
+ * Note that write error doesn't mean the buffer broken
*/
#define BUFFER_IS_BROKEN(buf) ((buf->flags & BM_IO_ERROR) && !(buf->flags & BM_DIRTY))
{
if (!BufferIsLocal(buffer))
{
- LockRelId *lrelId = & relation->rd_lockInfo.lockRelId;
+ LockRelId *lrelId = &relation->rd_lockInfo.lockRelId;
bufHdr = &BufferDescriptors[buffer - 1];
SpinAcquire(BufMgrLock);
inProgress = (buf->flags & BM_IO_IN_PROGRESS);
*foundPtr = TRUE;
- if (inProgress) /* confirm end of IO */
+ if (inProgress) /* confirm end of IO */
{
WaitIO(buf, BufMgrLock);
inProgress = (buf->flags & BM_IO_IN_PROGRESS);
}
if (BUFFER_IS_BROKEN(buf))
{
- /* I couldn't understand the following old comment.
- * If there's no IO for the buffer and the buffer
- * is BROKEN,it should be read again. So start a
- * new buffer IO here.
+
+ /*
+ * I couldn't understand the following old comment. If there's
+ * no IO for the buffer and the buffer is BROKEN,it should be
+ * read again. So start a new buffer IO here.
*
* wierd race condition:
*
- * We were waiting for someone else to read the buffer. While
- * we were waiting, the reader boof'd in some way, so the
- * contents of the buffer are still invalid. By saying
- * that we didn't find it, we can make the caller
- * reinitialize the buffer. If two processes are waiting
- * for this block, both will read the block. The second
- * one to finish may overwrite any updates made by the
- * first. (Assume higher level synchronization prevents
- * this from happening).
+ * We were waiting for someone else to read the buffer. While we
+ * were waiting, the reader boof'd in some way, so the
+ * contents of the buffer are still invalid. By saying that
+ * we didn't find it, we can make the caller reinitialize the
+ * buffer. If two processes are waiting for this block, both
+ * will read the block. The second one to finish may
+ * overwrite any updates made by the first. (Assume higher
+ * level synchronization prevents this from happening).
*
* This is never going to happen, don't worry about it.
*/
if (smok == FALSE)
{
elog(NOTICE, "BufferAlloc: cannot write block %u for %s/%s",
- buf->tag.blockNum, buf->blind.dbname, buf->blind.relname);
+ buf->tag.blockNum, buf->blind.dbname, buf->blind.relname);
inProgress = FALSE;
buf->flags |= BM_IO_ERROR;
buf->flags &= ~BM_IO_IN_PROGRESS;
* attempted, so the flag isnt set.
*/
if (!inProgress)
- {
StartBufferIO(buf, true);
- }
else
ContinueBufferIO(buf, true);
if (BAD_BUFFER_ID(buffer))
return STATUS_ERROR;
- Assert(PrivateRefCount[buffer - 1] > 0); /* else caller didn't pin */
+ Assert(PrivateRefCount[buffer - 1] > 0); /* else caller didn't pin */
bufHdr = &BufferDescriptors[buffer - 1];
bufdb = bufHdr->tag.relId.dbId;
/* To check if block content changed while flushing. - vadim 01/17/97 */
SpinAcquire(BufMgrLock);
- WaitIO(bufHdr, BufMgrLock); /* confirm end of IO */
+ WaitIO(bufHdr, BufMgrLock); /* confirm end of IO */
bufHdr->flags &= ~BM_JUST_DIRTIED;
- StartBufferIO(bufHdr, false); /* output IO start */
+ StartBufferIO(bufHdr, false); /* output IO start */
SpinRelease(BufMgrLock);
status = smgrflush(DEFAULT_SMGR, bufrel, bufHdr->tag.blockNum,
BufferFlushCount++;
SpinAcquire(BufMgrLock);
- bufHdr->flags &= ~BM_IO_IN_PROGRESS; /* mark IO finished */
- TerminateBufferIO(bufHdr); /* output IO finished */
+ bufHdr->flags &= ~BM_IO_IN_PROGRESS; /* mark IO finished */
+ TerminateBufferIO(bufHdr); /* output IO finished */
/*
* If this buffer was marked by someone as DIRTY while we were
- * flushing it out we must not clear shared DIRTY flag - vadim 01/17/97
+ * flushing it out we must not clear shared DIRTY flag - vadim
+ * 01/17/97
*
* ... but we can clear BufferDirtiedByMe anyway - tgl 3/31/00
*/
static void
SetBufferDirtiedByMe(Buffer buffer, BufferDesc *bufHdr)
{
- BufferTag *tagLastDirtied = & BufferTagLastDirtied[buffer - 1];
+ BufferTag *tagLastDirtied = &BufferTagLastDirtied[buffer - 1];
Relation reln;
int status;
if (reln == (Relation) NULL)
{
status = smgrblindmarkdirty(DEFAULT_SMGR,
- BufferBlindLastDirtied[buffer - 1].dbname,
- BufferBlindLastDirtied[buffer - 1].relname,
+ BufferBlindLastDirtied[buffer - 1].dbname,
+ BufferBlindLastDirtied[buffer - 1].relname,
tagLastDirtied->relId.dbId,
tagLastDirtied->relId.relId,
tagLastDirtied->blockNum);
{
status = smgrmarkdirty(DEFAULT_SMGR, reln,
tagLastDirtied->blockNum);
- /* drop relcache refcnt incremented by RelationIdCacheGetRelation */
+
+ /*
+ * drop relcache refcnt incremented by
+ * RelationIdCacheGetRelation
+ */
RelationDecrementReferenceCount(reln);
}
if (status == SM_FAIL)
static void
ClearBufferDirtiedByMe(Buffer buffer, BufferDesc *bufHdr)
{
- BufferTag *tagLastDirtied = & BufferTagLastDirtied[buffer - 1];
+ BufferTag *tagLastDirtied = &BufferTagLastDirtied[buffer - 1];
/*
* Do *not* clear the flag if it refers to some other buffertag than
- * the data we just wrote. This is unlikely, but possible if some
+ * the data we just wrote. This is unlikely, but possible if some
* other backend replaced the buffer contents since we set our flag.
*/
if (bufHdr->tag.relId.dbId == tagLastDirtied->relId.dbId &&
bufHdr->tag.relId.relId == tagLastDirtied->relId.relId &&
bufHdr->tag.blockNum == tagLastDirtied->blockNum)
- {
BufferDirtiedByMe[buffer - 1] = false;
- }
}
/*
* BufferSync -- Flush all dirty buffers in the pool.
*
- * This is called at transaction commit time. We find all buffers
+ * This is called at transaction commit time. We find all buffers
* that have been dirtied by the current xact and flush them to disk.
* We do *not* flush dirty buffers that have been dirtied by other xacts.
* (This is a substantial change from pre-7.0 behavior.)
for (i = 0, bufHdr = BufferDescriptors; i < NBuffers; i++, bufHdr++)
{
/* Ignore buffers that were not dirtied by me */
- if (! BufferDirtiedByMe[i])
+ if (!BufferDirtiedByMe[i])
continue;
SpinAcquire(BufMgrLock);
/*
* We only need to write if the buffer is still dirty and still
- * contains the same disk page that it contained when we dirtied it.
- * Otherwise, someone else has already written our changes for us,
- * and we need only fsync.
+ * contains the same disk page that it contained when we dirtied
+ * it. Otherwise, someone else has already written our changes for
+ * us, and we need only fsync.
*
* (NOTE: it's still possible to do an unnecessary write, if other
* xacts have written and then re-dirtied the page since our last
bufrel == BufferTagLastDirtied[i].relId.relId &&
bufHdr->tag.blockNum == BufferTagLastDirtied[i].blockNum)
{
+
/*
* Try to find relation for buf. This could fail, if the
* rel has been flushed from the relcache since we dirtied
}
else
{
+
/*
- * To check if block content changed while flushing (see
- * below). - vadim 01/17/97
+ * To check if block content changed while flushing
+ * (see below). - vadim 01/17/97
*/
- WaitIO(bufHdr, BufMgrLock); /* confirm end of IO */
+ WaitIO(bufHdr, BufMgrLock); /* confirm end of IO */
bufHdr->flags &= ~BM_JUST_DIRTIED;
- StartBufferIO(bufHdr, false); /* output IO start */
+ StartBufferIO(bufHdr, false); /* output IO start */
/*
- * If we didn't have the reldesc in our local cache, write
- * this page out using the 'blind write' storage manager
- * routine. If we did find it, use the standard
- * interface.
+ * If we didn't have the reldesc in our local cache,
+ * write this page out using the 'blind write' storage
+ * manager routine. If we did find it, use the
+ * standard interface.
*/
#ifndef OPTIMIZE_SINGLE
SpinRelease(BufMgrLock);
bufHdr->blind.relname,
bufdb, bufrel,
bufHdr->tag.blockNum,
- (char *) MAKE_PTR(bufHdr->data),
- true); /* must fsync */
+ (char *) MAKE_PTR(bufHdr->data),
+ true); /* must fsync */
}
else
{
status = smgrwrite(DEFAULT_SMGR, reln,
bufHdr->tag.blockNum,
- (char *) MAKE_PTR(bufHdr->data));
+ (char *) MAKE_PTR(bufHdr->data));
}
#ifndef OPTIMIZE_SINGLE
SpinAcquire(BufMgrLock);
elog(ERROR, "BufferSync: cannot write %u for %s",
bufHdr->tag.blockNum, bufHdr->blind.relname);
}
- bufHdr->flags &= ~BM_IO_IN_PROGRESS; /* mark IO finished */
+ bufHdr->flags &= ~BM_IO_IN_PROGRESS; /* mark IO finished */
TerminateBufferIO(bufHdr); /* Sync IO finished */
BufferFlushCount++;
didwrite = true;
/*
- * If this buffer was marked by someone as DIRTY while we
- * were flushing it out we must not clear DIRTY flag -
- * vadim 01/17/97
+ * If this buffer was marked by someone as DIRTY while
+ * we were flushing it out we must not clear DIRTY
+ * flag - vadim 01/17/97
*
* but it is OK to clear BufferDirtiedByMe - tgl 3/31/00
*/
}
/*
- * If we did not write the buffer (because someone else did),
- * we must still fsync the file containing it, to ensure that the
+ * If we did not write the buffer (because someone else did), we
+ * must still fsync the file containing it, to ensure that the
* write is down to disk before we commit.
*/
- if (! didwrite)
+ if (!didwrite)
{
#ifndef OPTIMIZE_SINGLE
SpinRelease(BufMgrLock);
if (reln == (Relation) NULL)
{
status = smgrblindmarkdirty(DEFAULT_SMGR,
- BufferBlindLastDirtied[i].dbname,
- BufferBlindLastDirtied[i].relname,
- BufferTagLastDirtied[i].relId.dbId,
- BufferTagLastDirtied[i].relId.relId,
- BufferTagLastDirtied[i].blockNum);
+ BufferBlindLastDirtied[i].dbname,
+ BufferBlindLastDirtied[i].relname,
+ BufferTagLastDirtied[i].relId.dbId,
+ BufferTagLastDirtied[i].relId.relId,
+ BufferTagLastDirtied[i].blockNum);
}
else
{
status = smgrmarkdirty(DEFAULT_SMGR, reln,
BufferTagLastDirtied[i].blockNum);
- /* drop relcache refcnt incremented by RelationIdCacheGetRelation */
+
+ /*
+ * drop relcache refcnt incremented by
+ * RelationIdCacheGetRelation
+ */
RelationDecrementReferenceCount(reln);
}
static void
WaitIO(BufferDesc *buf, SPINLOCK spinlock)
{
+
/*
* Changed to wait until there's no IO - Inoue 01/13/2000
*/
}
PrivateRefCount[i] = 0;
- if (! isCommit)
+ if (!isCommit)
BufferDirtiedByMe[i] = false;
}
ResetLocalBufferPool();
- if (! isCommit)
+ if (!isCommit)
smgrabort();
}
bufHdr->blind.relname, bufdb, bufrel,
bufHdr->tag.blockNum,
(char *) MAKE_PTR(bufHdr->data),
- false); /* no fsync */
+ false); /* no fsync */
}
#ifndef OPTIMIZE_SINGLE
if (status == SM_FAIL)
return FALSE;
- /* If we had marked this buffer as needing to be fsync'd, we can forget
- * about that, because it's now the storage manager's responsibility
- * (but only if we called smgrwrite, not smgrblindwrt).
+ /*
+ * If we had marked this buffer as needing to be fsync'd, we can
+ * forget about that, because it's now the storage manager's
+ * responsibility (but only if we called smgrwrite, not smgrblindwrt).
*/
if (reln != (Relation) NULL)
ClearBufferDirtiedByMe(BufferDescriptorGetBuffer(bufHdr), bufHdr);
{
buf = &LocalBufferDescriptors[i];
if (buf->tag.relId.relId == relid)
- buf->flags &= ~ ( BM_DIRTY | BM_JUST_DIRTIED);
+ buf->flags &= ~(BM_DIRTY | BM_JUST_DIRTIED);
}
return;
}
SpinAcquire(BufMgrLock);
holding = true;
}
- recheck:
+recheck:
if (buf->tag.relId.dbId == MyDatabaseId &&
buf->tag.relId.relId == relid)
{
+
/*
* If there is I/O in progress, better wait till it's done;
* don't want to delete the relation out from under someone
if (buf->flags & BM_IO_IN_PROGRESS)
{
WaitIO(buf, BufMgrLock);
- /* By now, the buffer very possibly belongs to some other
+
+ /*
+ * By now, the buffer very possibly belongs to some other
* rel, so check again before proceeding.
*/
goto recheck;
}
/* Now we can do what we came for */
- buf->flags &= ~ ( BM_DIRTY | BM_JUST_DIRTIED);
+ buf->flags &= ~(BM_DIRTY | BM_JUST_DIRTIED);
ClearBufferDirtiedByMe(i, buf);
+
/*
* Release any refcount we may have.
*
* This is very probably dead code, and if it isn't then it's
- * probably wrong. I added the Assert to find out --- tgl 11/99.
+ * probably wrong. I added the Assert to find out --- tgl
+ * 11/99.
*/
if (!(buf->flags & BM_FREE))
{
* This function marks all the buffers in the buffer cache for a
* particular database as clean. This is used when we destroy a
* database, to avoid trying to flush data to disk when the directory
- * tree no longer exists. Implementation is pretty similar to
+ * tree no longer exists. Implementation is pretty similar to
* ReleaseRelationBuffers() which is for destroying just one relation.
* --------------------------------------------------------------------
*/
for (i = 1; i <= NBuffers; i++)
{
buf = &BufferDescriptors[i - 1];
- recheck:
+recheck:
if (buf->tag.relId.dbId == dbid)
{
+
/*
* If there is I/O in progress, better wait till it's done;
* don't want to delete the database out from under someone
if (buf->flags & BM_IO_IN_PROGRESS)
{
WaitIO(buf, BufMgrLock);
- /* By now, the buffer very possibly belongs to some other
+
+ /*
+ * By now, the buffer very possibly belongs to some other
* DB, so check again before proceeding.
*/
goto recheck;
}
/* Now we can do what we came for */
- buf->flags &= ~ ( BM_DIRTY | BM_JUST_DIRTIED);
+ buf->flags &= ~(BM_DIRTY | BM_JUST_DIRTIED);
ClearBufferDirtiedByMe(i, buf);
+
/*
- * The thing should be free, if caller has checked that
- * no backends are running in that database.
+ * The thing should be free, if caller has checked that no
+ * backends are running in that database.
*/
Assert(buf->flags & BM_FREE);
}
*
* This function removes from the buffer pool all pages of a relation
* that have blocknumber >= specified block. Pages that are dirty are
- * written out first. If expectDirty is false, a notice is emitted
+ * written out first. If expectDirty is false, a notice is emitted
* warning of dirty buffers, but we proceed anyway. An error code is
* returned if we fail to dump a dirty buffer or if we find one of
* the target pages is pinned into the cache.
* This is used by VACUUM before truncating the relation to the given
* number of blocks. For VACUUM, we pass expectDirty = false since it
* could mean a bug in VACUUM if any of the unwanted pages were still
- * dirty. (TRUNCATE TABLE also uses it in the same way.)
+ * dirty. (TRUNCATE TABLE also uses it in the same way.)
*
* This is also used by RENAME TABLE (with block=0 and expectDirty=true)
* to clear out the buffer cache before renaming the physical files of
* more blocks of the relation.
*
* Formerly, we considered it an error condition if we found unexpectedly
- * dirty buffers. However, since BufferSync no longer forces out all
+ * dirty buffers. However, since BufferSync no longer forces out all
* dirty buffers at every xact commit, it's possible for dirty buffers
* to still be present in the cache due to failure of an earlier
* transaction. So, downgrade the error to a mere notice. Maybe we
{
if (buf->flags & BM_DIRTY)
{
- if (! expectDirty)
+ if (!expectDirty)
elog(NOTICE, "FlushRelationBuffers(%s (local), %u): block %u is dirty",
RelationGetRelationName(rel),
block, buf->tag.blockNum);
- if (FlushBuffer(-i-1, false) != STATUS_OK)
+ if (FlushBuffer(-i - 1, false) != STATUS_OK)
{
elog(NOTICE, "FlushRelationBuffers(%s (local), %u): block %u is dirty, could not flush it",
RelationGetRelationName(rel),
SpinAcquire(BufMgrLock);
for (i = 0; i < NBuffers; i++)
{
- recheck:
+recheck:
buf = &BufferDescriptors[i];
if (buf->tag.relId.relId == RelationGetRelid(rel) &&
(buf->tag.relId.dbId == MyDatabaseId ||
{
PinBuffer(buf);
SpinRelease(BufMgrLock);
- if (! expectDirty)
+ if (!expectDirty)
elog(NOTICE, "FlushRelationBuffers(%s, %u): block %u is dirty (private %ld, global %d)",
RelationGetRelationName(rel), block,
buf->tag.blockNum,
PrivateRefCount[i], buf->refcount);
- if (FlushBuffer(i+1, true) != STATUS_OK)
+ if (FlushBuffer(i + 1, true) != STATUS_OK)
{
elog(NOTICE, "FlushRelationBuffers(%s, %u): block %u is dirty (private %ld, global %d), could not flush it",
RelationGetRelationName(rel), block,
return -1;
}
SpinAcquire(BufMgrLock);
- /* Buffer could already be reassigned, so must recheck
+
+ /*
+ * Buffer could already be reassigned, so must recheck
* whether it still belongs to rel before freeing it!
*/
goto recheck;
}
if (BufferLocks[i] & BL_RI_LOCK)
{
- /*
- * Someone else could remove our RI lock when acquiring
- * W lock. This is possible if we came here from elog(ERROR)
+
+ /*
+ * Someone else could remove our RI lock when acquiring W
+ * lock. This is possible if we came here from elog(ERROR)
* from IpcSemaphore{Lock|Unlock}(WaitCLSemId). And so we
* don't do Assert(buf->ri_lock) here.
*/
LockBuffer(Buffer buffer, int mode)
{
BufferDesc *buf;
- bits8 *buflock;
+ bits8 *buflock;
Assert(BufferIsValid(buffer));
if (BufferIsLocal(buffer))
{
if (buf->r_locks > 3 || (*buflock & BL_RI_LOCK))
{
+
/*
* Our RI lock might be removed by concurrent W lock
- * acquiring (see what we do with RI locks below
- * when our own W acquiring succeeded) and so
- * we set RI lock again if we already did this.
+ * acquiring (see what we do with RI locks below when our
+ * own W acquiring succeeded) and so we set RI lock again
+ * if we already did this.
*/
*buflock |= BL_RI_LOCK;
buf->ri_lock = true;
*buflock |= BL_W_LOCK;
if (*buflock & BL_RI_LOCK)
{
+
/*
- * It's possible to remove RI locks acquired by another
- * W lockers here, but they'll take care about it.
+ * It's possible to remove RI locks acquired by another W
+ * lockers here, but they'll take care about it.
*/
buf->ri_lock = false;
*buflock &= ~BL_RI_LOCK;
* i.e at most one io_in_progress spinlock is held
* per proc.
*/
-static BufferDesc *InProgressBuf = (BufferDesc *)NULL;
-static bool IsForInput;
+static BufferDesc *InProgressBuf = (BufferDesc *) NULL;
+static bool IsForInput;
/*
* Function:StartBufferIO
* (Assumptions)
* My process is executing no IO
* BufMgrLock is held
- * BM_IO_IN_PROGRESS mask is not set for the buffer
+ * BM_IO_IN_PROGRESS mask is not set for the buffer
* The buffer is Pinned
*
*/
-static void StartBufferIO(BufferDesc *buf, bool forInput)
+static void
+StartBufferIO(BufferDesc *buf, bool forInput)
{
Assert(!InProgressBuf);
Assert(!(buf->flags & BM_IO_IN_PROGRESS));
buf->flags |= BM_IO_IN_PROGRESS;
#ifdef HAS_TEST_AND_SET
+
/*
* There used to be
*
* Assert(S_LOCK_FREE(&(buf->io_in_progress_lock)));
*
* here, but that's wrong because of the way WaitIO works: someone else
- * waiting for the I/O to complete will succeed in grabbing the lock for
- * a few instructions, and if we context-swap back to here the Assert
- * could fail. Tiny window for failure, but I've seen it happen -- tgl
+ * waiting for the I/O to complete will succeed in grabbing the lock
+ * for a few instructions, and if we context-swap back to here the
+ * Assert could fail. Tiny window for failure, but I've seen it
+ * happen -- tgl
*/
S_LOCK(&(buf->io_in_progress_lock));
-#endif /* HAS_TEST_AND_SET */
+#endif /* HAS_TEST_AND_SET */
InProgressBuf = buf;
IsForInput = forInput;
}
* The buffer is Pinned
*
*/
-static void TerminateBufferIO(BufferDesc *buf)
+static void
+TerminateBufferIO(BufferDesc *buf)
{
Assert(buf == InProgressBuf);
#ifdef HAS_TEST_AND_SET
#else
if (buf->refcount > 1)
SignalIO(buf);
-#endif /* HAS_TEST_AND_SET */
- InProgressBuf = (BufferDesc *)0;
+#endif /* HAS_TEST_AND_SET */
+ InProgressBuf = (BufferDesc *) 0;
}
/*
* The buffer is Pinned
*
*/
-static void ContinueBufferIO(BufferDesc *buf, bool forInput)
+static void
+ContinueBufferIO(BufferDesc *buf, bool forInput)
{
Assert(buf == InProgressBuf);
Assert(buf->flags & BM_IO_IN_PROGRESS);
IsForInput = forInput;
}
-void InitBufferIO(void)
+void
+InitBufferIO(void)
{
- InProgressBuf = (BufferDesc *)0;
+ InProgressBuf = (BufferDesc *) 0;
}
/*
* This function is called from ProcReleaseSpins().
- * BufMgrLock isn't held when this function is called.
+ * BufMgrLock isn't held when this function is called.
* BM_IO_ERROR is always set. If BM_IO_ERROR was already
- * set in case of output,this routine would kill all
+ * set in case of output,this routine would kill all
* backends and reset postmaster.
*/
-void AbortBufferIO(void)
+void
+AbortBufferIO(void)
{
BufferDesc *buf = InProgressBuf;
+
if (buf)
{
Assert(buf->flags & BM_IO_IN_PROGRESS);
SpinAcquire(BufMgrLock);
if (IsForInput)
- {
Assert(!(buf->flags & BM_DIRTY));
- }
else
{
Assert((buf->flags & BM_DIRTY) != 0);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/storage/buffer/localbuf.c,v 1.29 2000/01/26 05:56:52 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/buffer/localbuf.c,v 1.30 2000/04/12 17:15:34 momjian Exp $
*
*-------------------------------------------------------------------------
*/
(char *) MAKE_PTR(bufHdr->data));
LocalBufferFlushCount++;
- /* drop relcache refcount incremented by RelationIdCacheGetRelation */
+ /*
+ * drop relcache refcount incremented by
+ * RelationIdCacheGetRelation
+ */
RelationDecrementReferenceCount(bufrel);
}
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/storage/file/buffile.c,v 1.4 2000/01/26 05:56:55 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/file/buffile.c,v 1.5 2000/04/12 17:15:35 momjian Exp $
*
* NOTES:
*
* will go away automatically at transaction end. If the underlying
* virtual File is made with OpenTemporaryFile, then all resources for
* the file are certain to be cleaned up even if processing is aborted
- * by elog(ERROR). To avoid confusion, the caller should take care that
+ * by elog(ERROR). To avoid confusion, the caller should take care that
* all calls for a single BufFile are made in the same palloc context.
*
* BufFile also supports temporary files that exceed the OS file size limit
- * (by opening multiple fd.c temporary files). This is an essential feature
+ * (by opening multiple fd.c temporary files). This is an essential feature
* for sorts and hashjoins on large amounts of data.
*-------------------------------------------------------------------------
*/
/* all files except the last have length exactly MAX_PHYSICAL_FILESIZE */
File *files; /* palloc'd array with numFiles entries */
long *offsets; /* palloc'd array with numFiles entries */
- /* offsets[i] is the current seek position of files[i]. We use this
+
+ /*
+ * offsets[i] is the current seek position of files[i]. We use this
* to avoid making redundant FileSeek calls.
*/
bool isTemp; /* can only add files if this is TRUE */
bool dirty; /* does buffer need to be written? */
+
/*
- * "current pos" is position of start of buffer within the logical file.
- * Position as seen by user of BufFile is (curFile, curOffset + pos).
+ * "current pos" is position of start of buffer within the logical
+ * file. Position as seen by user of BufFile is (curFile, curOffset +
+ * pos).
*/
int curFile; /* file index (0..n) part of current pos */
int curOffset; /* offset part of current pos */
static BufFile *
makeBufFile(File firstfile)
{
- BufFile *file = (BufFile *) palloc(sizeof(BufFile));
+ BufFile *file = (BufFile *) palloc(sizeof(BufFile));
file->numFiles = 1;
file->files = (File *) palloc(sizeof(File));
Assert(pfile >= 0);
file->files = (File *) repalloc(file->files,
- (file->numFiles+1) * sizeof(File));
+ (file->numFiles + 1) * sizeof(File));
file->offsets = (long *) repalloc(file->offsets,
- (file->numFiles+1) * sizeof(long));
+ (file->numFiles + 1) * sizeof(long));
file->files[file->numFiles] = pfile;
file->offsets[file->numFiles] = 0L;
file->numFiles++;
* multiple temporary files if more than MAX_PHYSICAL_FILESIZE bytes are
* written to it).
*/
-BufFile *
+BufFile *
BufFileCreateTemp(void)
{
BufFile *file;
* to attach a BufFile to a non-temporary file. Note that BufFiles created
* in this way CANNOT be expanded into multiple files.
*/
-BufFile *
+BufFile *
BufFileCreate(File file)
{
return makeBufFile(file);
void
BufFileClose(BufFile *file)
{
- int i;
+ int i;
/* flush any unwritten data */
BufFileFlush(file);
static void
BufFileLoadBuffer(BufFile *file)
{
- File thisfile;
+ File thisfile;
/*
* Advance to next component file if necessary and possible.
*
- * This path can only be taken if there is more than one component,
- * so it won't interfere with reading a non-temp file that is over
+ * This path can only be taken if there is more than one component, so it
+ * won't interfere with reading a non-temp file that is over
* MAX_PHYSICAL_FILESIZE.
*/
if (file->curOffset >= MAX_PHYSICAL_FILESIZE &&
- file->curFile+1 < file->numFiles)
+ file->curFile + 1 < file->numFiles)
{
file->curFile++;
file->curOffset = 0L;
}
+
/*
* May need to reposition physical file.
*/
return; /* seek failed, read nothing */
file->offsets[file->curFile] = file->curOffset;
}
+
/*
* Read whatever we can get, up to a full bufferload.
*/
File thisfile;
/*
- * Unlike BufFileLoadBuffer, we must dump the whole buffer even if
- * it crosses a component-file boundary; so we need a loop.
+ * Unlike BufFileLoadBuffer, we must dump the whole buffer even if it
+ * crosses a component-file boundary; so we need a loop.
*/
while (wpos < file->nbytes)
{
+
/*
* Advance to next component file if necessary and possible.
*/
if (file->curOffset >= MAX_PHYSICAL_FILESIZE && file->isTemp)
{
- while (file->curFile+1 >= file->numFiles)
+ while (file->curFile + 1 >= file->numFiles)
extendBufFile(file);
file->curFile++;
file->curOffset = 0L;
}
+
/*
* Enforce per-file size limit only for temp files, else just try
* to write as much as asked...
bytestowrite = file->nbytes - wpos;
if (file->isTemp)
{
- long availbytes = MAX_PHYSICAL_FILESIZE - file->curOffset;
+ long availbytes = MAX_PHYSICAL_FILESIZE - file->curOffset;
if ((long) bytestowrite > availbytes)
bytestowrite = (int) availbytes;
}
+
/*
* May need to reposition physical file.
*/
wpos += bytestowrite;
}
file->dirty = false;
+
/*
- * At this point, curOffset has been advanced to the end of the buffer,
- * ie, its original value + nbytes. We need to make it point to the
- * logical file position, ie, original value + pos, in case that is less
- * (as could happen due to a small backwards seek in a dirty buffer!)
+ * At this point, curOffset has been advanced to the end of the
+ * buffer, ie, its original value + nbytes. We need to make it point
+ * to the logical file position, ie, original value + pos, in case
+ * that is less (as could happen due to a small backwards seek in a
+ * dirty buffer!)
*/
file->curOffset -= (file->nbytes - file->pos);
if (file->curOffset < 0) /* handle possible segment crossing */
Assert(file->curFile >= 0);
file->curOffset += MAX_PHYSICAL_FILESIZE;
}
- /* Now we can set the buffer empty without changing the logical position */
+
+ /*
+ * Now we can set the buffer empty without changing the logical
+ * position
+ */
file->pos = 0;
file->nbytes = 0;
}
{
if (BufFileFlush(file) != 0)
return 0; /* could not flush... */
- Assert(! file->dirty);
+ Assert(!file->dirty);
}
while (size > 0)
int
BufFileSeek(BufFile *file, int fileno, long offset, int whence)
{
- int newFile;
- long newOffset;
+ int newFile;
+ long newOffset;
+
switch (whence)
{
case SEEK_SET:
newOffset = offset;
break;
case SEEK_CUR:
+
/*
- * Relative seek considers only the signed offset, ignoring fileno.
- * Note that large offsets (> 1 gig) risk overflow in this add...
+ * Relative seek considers only the signed offset, ignoring
+ * fileno. Note that large offsets (> 1 gig) risk overflow in
+ * this add...
*/
newFile = file->curFile;
newOffset = (file->curOffset + file->pos) + offset;
newOffset >= file->curOffset &&
newOffset <= file->curOffset + file->nbytes)
{
+
/*
* Seek is to a point within existing buffer; we can just adjust
- * pos-within-buffer, without flushing buffer. Note this is OK
- * whether reading or writing, but buffer remains dirty if we
- * were writing.
+ * pos-within-buffer, without flushing buffer. Note this is OK
+ * whether reading or writing, but buffer remains dirty if we were
+ * writing.
*/
file->pos = (int) (newOffset - file->curOffset);
return 0;
/* Otherwise, must reposition buffer, so flush any dirty data */
if (BufFileFlush(file) != 0)
return EOF;
+
/*
- * At this point and no sooner, check for seek past last segment.
- * The above flush could have created a new segment, so
- * checking sooner would not work (at least not with this code).
+ * At this point and no sooner, check for seek past last segment. The
+ * above flush could have created a new segment, so checking sooner
+ * would not work (at least not with this code).
*/
if (file->isTemp)
{
long
BufFileTellBlock(BufFile *file)
{
- long blknum;
+ long blknum;
blknum = (file->curOffset + file->pos) / BLCKSZ;
blknum += file->curFile * RELSEG_SIZE;
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/storage/file/fd.c,v 1.55 2000/04/09 04:43:19 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/file/fd.c,v 1.56 2000/04/12 17:15:35 momjian Exp $
*
* NOTES:
*
DO_DB(elog(DEBUG, "ReleaseDataFile. Opened %d", nfile));
if (nfile <= 0)
- return(false);
+ return (false);
Assert(VfdCache[0].lruMoreRecently != 0);
LruDelete(VfdCache[0].lruMoreRecently);
- return(true);
+ return (true);
}
static File
SizeVfdCache = 1;
- /* register proc-exit call to ensure temp files are dropped at exit */
+ /*
+ * register proc-exit call to ensure temp files are dropped at
+ * exit
+ */
on_proc_exit(AtEOXact_Files, NULL);
}
if (VfdCache[0].nextFree == 0)
{
+
/*
* The free list is empty so it is time to increase the size of
* the array. We choose to double it each time this happens.
*
* (Generally, this isn't actually necessary, considering that we
* should be cd'd into the database directory. Presently it is only
- * necessary to do it in "bootstrap" mode. Maybe we should change
+ * necessary to do it in "bootstrap" mode. Maybe we should change
* bootstrap mode to do the cd, and save a few cycles/bytes here.)
*/
static char *
}
else if (VfdCache[0].lruLessRecently != file)
{
+
/*
* We now know that the file is open and that it is not the last
* one accessed, so we need to move it to the head of the Lru
returnCode = 0;
VfdCache[file].fdstate &= ~FD_DIRTY;
}
- else
+ else
{
- /* We don't use FileAccess() because we don't want to force the
+
+ /*
+ * We don't use FileAccess() because we don't want to force the
* file to the front of the LRU ring; we aren't expecting to
* access it again soon.
*/
* FileMarkDirty --- mark a file as needing fsync at transaction commit.
*
* Since FileWrite marks the file dirty, this routine is not needed in
- * normal use. It is called when the buffer manager detects that some other
+ * normal use. It is called when the buffer manager detects that some other
* backend has written out a shared buffer that this backend dirtied (but
* didn't write) in the current xact. In that scenario, we need to fsync
* the file before we can commit. We cannot assume that the other backend
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/storage/ipc/ipc.c,v 1.45 2000/01/26 05:56:57 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/ipc/ipc.c,v 1.46 2000/04/12 17:15:36 momjian Exp $
*
* NOTES
*
* so that an elog() from an on_proc_exit routine cannot get us out
* of the exit procedure. We do NOT want to go back to the idle loop...
*/
-bool proc_exit_inprogress = false;
+bool proc_exit_inprogress = false;
static int UsePrivateMemory = 0;
char *memptr;
} PrivateMem;
-static PrivateMem IpcPrivateMem[16];
+static PrivateMem IpcPrivateMem[16];
static int
void
proc_exit(int code)
{
+
/*
* Once we set this flag, we are committed to exit. Any elog() will
* NOT send control back to the main loop, but right back here.
*/
while (--on_proc_exit_index >= 0)
(*on_proc_exit_list[on_proc_exit_index].function) (code,
- on_proc_exit_list[on_proc_exit_index].arg);
+ on_proc_exit_list[on_proc_exit_index].arg);
TPRINTF(TRACE_VERBOSE, "exit(%d)", code);
exit(code);
*/
while (--on_shmem_exit_index >= 0)
(*on_shmem_exit_list[on_shmem_exit_index].function) (code,
- on_shmem_exit_list[on_shmem_exit_index].arg);
+ on_shmem_exit_list[on_shmem_exit_index].arg);
on_shmem_exit_index = 0;
}
* ----------------------------------------------------------------
*/
int
-on_proc_exit(void (*function) (), caddr_t arg)
+ on_proc_exit(void (*function) (), caddr_t arg)
{
if (on_proc_exit_index >= MAX_ON_EXITS)
return -1;
* ----------------------------------------------------------------
*/
int
-on_shmem_exit(void (*function) (), caddr_t arg)
+ on_shmem_exit(void (*function) (), caddr_t arg)
{
if (on_shmem_exit_index >= MAX_ON_EXITS)
return -1;
/* check arguments */
if (semNum > IPC_NMAXSEM || semNum <= 0)
- return(-1);
+ return (-1);
semId = semget(semKey, 0, 0);
"key=%d, num=%d, permission=%o",
strerror(errno), semKey, semNum, permission);
IpcConfigTip();
- return(-1);
+ return (-1);
}
for (i = 0; i < semNum; i++)
array[i] = semStartValue;
strerror(errno), semId);
semctl(semId, 0, IPC_RMID, semun);
IpcConfigTip();
- return(-1);
+ return (-1);
}
if (removeOnExit)
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/storage/ipc/ipci.c,v 1.32 2000/01/26 05:56:58 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/ipc/ipci.c,v 1.33 2000/04/12 17:15:37 momjian Exp $
*
*-------------------------------------------------------------------------
*/
{
int size;
extern int XLOGShmemSize(void);
- extern void XLOGShmemInit(void);
+ extern void XLOGShmemInit(void);
#ifdef HAS_TEST_AND_SET
+
/*
* Create shared memory for slocks
*/
CreateAndInitSLockMemory(IPCKeyGetSLockSharedMemoryKey(key));
#endif
+
/*
* Kill and create the buffer manager buffer pool (and semaphore)
*/
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/storage/ipc/shmem.c,v 1.49 2000/02/26 05:25:55 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/ipc/shmem.c,v 1.50 2000/04/12 17:15:37 momjian Exp $
*
*-------------------------------------------------------------------------
*/
long *location;
/*
- * Hash tables allocated in shared memory have a fixed directory;
- * it can't grow or other backends wouldn't be able to find it.
- * So, make sure we make it big enough to start with.
+ * Hash tables allocated in shared memory have a fixed directory; it
+ * can't grow or other backends wouldn't be able to find it. So, make
+ * sure we make it big enough to start with.
*
* The segbase is for calculating pointer values. The shared memory
* allocator must be specified too.
/* look it up in the shmem index */
location = ShmemInitStruct(name,
- sizeof(HHDR) + infoP->dsize * sizeof(SEG_OFFSET),
+ sizeof(HHDR) + infoP->dsize * sizeof(SEG_OFFSET),
&found);
/*
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/storage/ipc/sinval.c,v 1.20 2000/01/26 05:56:58 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/ipc/sinval.c,v 1.21 2000/04/12 17:15:37 momjian Exp $
*
*-------------------------------------------------------------------------
*/
Index hashIndex,
ItemPointer pointer)
{
- SharedInvalidData newInvalid;
- bool insertOK;
+ SharedInvalidData newInvalid;
+ bool insertOK;
/*
* This code has been hacked to accept two types of messages. This
SpinAcquire(SInvalLock);
insertOK = SIInsertDataEntry(shmInvalBuffer, &newInvalid);
SpinRelease(SInvalLock);
- if (! insertOK)
+ if (!insertOK)
elog(NOTICE, "RegisterSharedInvalid: SI buffer overflow");
}
* Process shared-cache-invalidation messages waiting for this backend
*/
void
-InvalidateSharedInvalid(void (*invalFunction) (),
- void (*resetFunction) ())
+ InvalidateSharedInvalid(void (*invalFunction) (),
+ void (*resetFunction) ())
{
- SharedInvalidData data;
- int getResult;
- bool gotMessage = false;
+ SharedInvalidData data;
+ int getResult;
+ bool gotMessage = false;
for (;;)
{
/****************************************************************************/
-/* Functions that need to scan the PROC structures of all running backends. */
+/* Functions that need to scan the PROC structures of all running backends. */
/* It's a bit strange to keep these in sinval.c, since they don't have any */
/* direct relationship to shared-cache invalidation. But the procState */
/* array in the SI segment is the only place in the system where we have */
-/* an array of per-backend data, so it is the most convenient place to keep */
+/* an array of per-backend data, so it is the most convenient place to keep */
/* pointers to the backends' PROC structures. We used to implement these */
-/* functions with a slow, ugly search through the ShmemIndex hash table --- */
+/* functions with a slow, ugly search through the ShmemIndex hash table --- */
/* now they are simple loops over the SI ProcState array. */
/****************************************************************************/
for (index = 0; index < segP->maxBackends; index++)
{
- SHMEM_OFFSET pOffset = stateP[index].procStruct;
+ SHMEM_OFFSET pOffset = stateP[index].procStruct;
if (pOffset != INVALID_OFFSET)
{
for (index = 0; index < segP->maxBackends; index++)
{
- SHMEM_OFFSET pOffset = stateP[index].procStruct;
+ SHMEM_OFFSET pOffset = stateP[index].procStruct;
if (pOffset != INVALID_OFFSET)
{
for (index = 0; index < segP->maxBackends; index++)
{
- SHMEM_OFFSET pOffset = stateP[index].procStruct;
+ SHMEM_OFFSET pOffset = stateP[index].procStruct;
if (pOffset != INVALID_OFFSET)
{
PROC *proc = (PROC *) MAKE_PTR(pOffset);
TransactionId xmin;
- xmin = proc->xmin; /* we don't use spin-locking in AbortTransaction() ! */
+ xmin = proc->xmin; /* we don't use spin-locking in
+ * AbortTransaction() ! */
if (proc == MyProc || xmin < FirstTransactionId)
continue;
if (xmin < *XmaxRecent)
int index;
int count = 0;
- /* There can be no more than maxBackends active transactions,
- * so this is enough space:
+ /*
+ * There can be no more than maxBackends active transactions, so this
+ * is enough space:
*/
snapshot->xip = (TransactionId *)
malloc(segP->maxBackends * sizeof(TransactionId));
SpinAcquire(SInvalLock);
/*
- * Unfortunately, we have to call ReadNewTransactionId()
- * after acquiring SInvalLock above. It's not good because
+ * Unfortunately, we have to call ReadNewTransactionId() after
+ * acquiring SInvalLock above. It's not good because
* ReadNewTransactionId() does SpinAcquire(OidGenLockId) but
* _necessary_.
*/
for (index = 0; index < segP->maxBackends; index++)
{
- SHMEM_OFFSET pOffset = stateP[index].procStruct;
+ SHMEM_OFFSET pOffset = stateP[index].procStruct;
if (pOffset != INVALID_OFFSET)
{
PROC *proc = (PROC *) MAKE_PTR(pOffset);
TransactionId xid;
- /*
- * We don't use spin-locking when changing proc->xid
- * in GetNewTransactionId() and in AbortTransaction() !..
+ /*
+ * We don't use spin-locking when changing proc->xid in
+ * GetNewTransactionId() and in AbortTransaction() !..
*/
xid = proc->xid;
- if (proc == MyProc ||
+ if (proc == MyProc ||
xid < FirstTransactionId || xid >= snapshot->xmax)
{
+
/*
- * Seems that there is no sense to store xid >= snapshot->xmax
- * (what we got from ReadNewTransactionId above) in
- * snapshot->xip - we just assume that all xacts with such
- * xid-s are running and may be ignored.
+ * Seems that there is no sense to store xid >=
+ * snapshot->xmax (what we got from ReadNewTransactionId
+ * above) in snapshot->xip - we just assume that all xacts
+ * with such xid-s are running and may be ignored.
*/
continue;
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/storage/ipc/sinvaladt.c,v 1.29 2000/03/17 02:36:21 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/ipc/sinvaladt.c,v 1.30 2000/04/12 17:15:37 momjian Exp $
*
*-------------------------------------------------------------------------
*/
/* Kill existing segment, if any */
IpcMemoryKill(key);
- /* Figure space needed.
- * Note sizeof(SISeg) includes the first ProcState entry.
+ /*
+ * Figure space needed. Note sizeof(SISeg) includes the first
+ * ProcState entry.
*/
segSize = sizeof(SISeg) + sizeof(ProcState) * (maxBackends - 1);
/* Mark all backends inactive */
for (i = 0; i < maxBackends; i++)
{
- segP->procState[i].nextMsgNum = -1; /* inactive */
+ segP->procState[i].nextMsgNum = -1; /* inactive */
segP->procState[i].resetState = false;
segP->procState[i].tag = InvalidBackendTag;
segP->procState[i].procStruct = INVALID_OFFSET;
int
SIBackendInit(SISeg *segP)
{
- int index;
- ProcState *stateP = NULL;
+ int index;
+ ProcState *stateP = NULL;
Assert(MyBackendTag > 0);
}
}
- /* elog() with spinlock held is probably not too cool, but this
+ /*
+ * elog() with spinlock held is probably not too cool, but this
* condition should never happen anyway.
*/
if (stateP == NULL)
bool
SIInsertDataEntry(SISeg *segP, SharedInvalidData *data)
{
- int numMsgs = segP->maxMsgNum - segP->minMsgNum;
+ int numMsgs = segP->maxMsgNum - segP->minMsgNum;
/* Is the buffer full? */
if (numMsgs >= MAXNUMMESSAGES)
{
+
/*
* Don't panic just yet: slowest backend might have consumed some
* messages but not yet have done SIDelExpiredDataEntries() to
* Try to prevent table overflow. When the table is 70% full send a
* SIGUSR2 (ordinarily a NOTIFY signal) to the postmaster, which will
* send it back to all the backends. This will force idle backends to
- * execute a transaction to look through pg_listener for NOTIFY messages,
- * and as a byproduct of the transaction start they will read SI entries.
+ * execute a transaction to look through pg_listener for NOTIFY
+ * messages, and as a byproduct of the transaction start they will
+ * read SI entries.
*
* This should never happen if all the backends are actively executing
* queries, but if a backend is sitting idle then it won't be starting
IsUnderPostmaster)
{
TPRINTF(TRACE_VERBOSE,
- "SIInsertDataEntry: table is 70%% full, signaling postmaster");
+ "SIInsertDataEntry: table is 70%% full, signaling postmaster");
kill(getppid(), SIGUSR2);
}
for (i = 0; i < segP->maxBackends; i++)
{
- if (segP->procState[i].nextMsgNum >= 0) /* active backend? */
+ if (segP->procState[i].nextMsgNum >= 0) /* active backend? */
{
segP->procState[i].resetState = true;
segP->procState[i].nextMsgNum = 0;
SIGetDataEntry(SISeg *segP, int backendId,
SharedInvalidData *data)
{
- ProcState *stateP = & segP->procState[backendId - 1];
+ ProcState *stateP = &segP->procState[backendId - 1];
Assert(stateP->tag == MyBackendTag);
if (stateP->resetState)
{
- /* Force reset. We can say we have dealt with any messages added
+
+ /*
+ * Force reset. We can say we have dealt with any messages added
* since the reset, as well...
*/
stateP->resetState = false;
*data = segP->buffer[stateP->nextMsgNum % MAXNUMMESSAGES];
stateP->nextMsgNum++;
- /* There may be other backends that haven't read the message,
- * so we cannot delete it here.
- * SIDelExpiredDataEntries() should be called to remove dead messages.
+ /*
+ * There may be other backends that haven't read the message, so we
+ * cannot delete it here. SIDelExpiredDataEntries() should be called
+ * to remove dead messages.
*/
return 1; /* got a message */
}
}
segP->minMsgNum = min;
- /* When minMsgNum gets really large, decrement all message counters
- * so as to forestall overflow of the counters.
+ /*
+ * When minMsgNum gets really large, decrement all message counters so
+ * as to forestall overflow of the counters.
*/
if (min >= MSGNUMWRAPAROUND)
{
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/storage/ipc/Attic/spin.c,v 1.23 2000/04/12 04:58:09 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/ipc/Attic/spin.c,v 1.24 2000/04/12 17:15:37 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern SPINLOCK SInvalLock;
extern SPINLOCK OidGenLockId;
extern SPINLOCK XidGenLockId;
- extern SPINLOCK ControlFileLockId;
+ extern SPINLOCK ControlFileLockId;
+
#ifdef STABLE_MEMORY_STORAGE
extern SPINLOCK MMCacheLock;
{
SpinLockId = IpcSemaphoreCreate(key, MAX_SPINS, IPCProtection,
- IpcSemaphoreDefaultStartValue, 1);
+ IpcSemaphoreDefaultStartValue, 1);
if (SpinLockId <= 0)
elog(STOP, "CreateSpinlocks: cannot create spin locks");
extern SPINLOCK SInvalLock;
extern SPINLOCK OidGenLockId;
extern SPINLOCK XidGenLockId;
- extern SPINLOCK ControlFileLockId;
+ extern SPINLOCK ControlFileLockId;
#ifdef STABLE_MEMORY_STORAGE
extern SPINLOCK MMCacheLock;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/storage/large_object/inv_api.c,v 1.66 2000/04/08 04:37:07 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/large_object/inv_api.c,v 1.67 2000/04/12 17:15:37 momjian Exp $
*
*-------------------------------------------------------------------------
*/
return -1;
}
- /* Since heap_drop_with_catalog will destroy the relcache entry,
+ /*
+ * Since heap_drop_with_catalog will destroy the relcache entry,
* there's no need to drop the refcount in this path.
*/
heap_drop_with_catalog(RelationGetRelationName(r));
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/lmgr.c,v 1.38 2000/01/26 05:57:00 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/lmgr.c,v 1.39 2000/04/12 17:15:38 momjian Exp $
*
*-------------------------------------------------------------------------
*/
tag.dbId = relation->rd_lockInfo.lockRelId.dbId;
tag.objId.blkno = InvalidBlockNumber;
- if (! LockAcquire(LockTableId, &tag, lockmode))
+ if (!LockAcquire(LockTableId, &tag, lockmode))
elog(ERROR, "LockRelation: LockAcquire failed");
/*
- * Check to see if the relcache entry has been invalidated
- * while we were waiting to lock it. If so, rebuild it,
- * or elog() trying. Increment the refcount to ensure that
- * RelationFlushRelation will rebuild it and not just delete it.
+ * Check to see if the relcache entry has been invalidated while we
+ * were waiting to lock it. If so, rebuild it, or elog() trying.
+ * Increment the refcount to ensure that RelationFlushRelation will
+ * rebuild it and not just delete it.
*/
RelationIncrementReferenceCount(relation);
DiscardInvalid();
tag.dbId = relation->rd_lockInfo.lockRelId.dbId;
tag.objId.blkno = blkno;
- if (! LockAcquire(LockTableId, &tag, lockmode))
+ if (!LockAcquire(LockTableId, &tag, lockmode))
elog(ERROR, "LockPage: LockAcquire failed");
}
tag.dbId = InvalidOid;
tag.objId.xid = xid;
- if (! LockAcquire(LockTableId, &tag, ExclusiveLock))
+ if (!LockAcquire(LockTableId, &tag, ExclusiveLock))
elog(ERROR, "XactLockTableInsert: LockAcquire failed");
}
tag.dbId = InvalidOid;
tag.objId.xid = xid;
- if (! LockAcquire(LockTableId, &tag, ShareLock))
+ if (!LockAcquire(LockTableId, &tag, ShareLock))
elog(ERROR, "XactLockTableWait: LockAcquire failed");
LockRelease(LockTableId, &tag, ShareLock);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.71 2000/04/10 00:45:42 inoue Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.72 2000/04/12 17:15:38 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* This is so that we can support more backends. (system-wide semaphore
* sets run out pretty fast.) -ay 4/95
*
- * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.71 2000/04/10 00:45:42 inoue Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.72 2000/04/12 17:15:38 momjian Exp $
*/
#include <sys/time.h>
#include <unistd.h>
#include "storage/proc.h"
#include "utils/trace.h"
-void HandleDeadLock(SIGNAL_ARGS);
+void HandleDeadLock(SIGNAL_ARGS);
static void ProcFreeAllSemaphores(void);
static bool GetOffWaitqueue(PROC *);
static bool
GetOffWaitqueue(PROC *proc)
{
- bool getoffed = false;
+ bool getoffed = false;
+
LockLockTable();
if (proc->links.next != INVALID_OFFSET)
{
- int lockmode = proc->token;
+ int lockmode = proc->token;
+
Assert(proc->waitLock->waitProcs.size > 0);
SHMQueueDelete(&(proc->links));
--proc->waitLock->waitProcs.size;
return getoffed;
}
+
/*
* ProcReleaseLocks() -- release all locks associated with this process
*
* Handling cancel request while waiting for lock
*
*/
-static bool lockWaiting = false;
-void SetWaitingForLock(bool waiting)
+static bool lockWaiting = false;
+void
+SetWaitingForLock(bool waiting)
{
if (waiting == lockWaiting)
return;
lockWaiting = false;
return;
}
- if (QueryCancel) /* cancel request pending */
+ if (QueryCancel) /* cancel request pending */
{
if (GetOffWaitqueue(MyProc))
{
}
}
}
-void LockWaitCancel(void)
+void
+LockWaitCancel(void)
{
- struct itimerval timeval, dummy;
+ struct itimerval timeval,
+ dummy;
- if (!lockWaiting) return;
+ if (!lockWaiting)
+ return;
lockWaiting = false;
/* Deadlock timer off */
MemSet(&timeval, 0, sizeof(struct itimerval));
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/storage/page/bufpage.c,v 1.28 2000/01/26 05:57:04 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/page/bufpage.c,v 1.29 2000/04/12 17:15:40 momjian Exp $
*
*-------------------------------------------------------------------------
*/
Assert(pageSize == BLCKSZ);
Assert(pageSize >
- specialSize + sizeof(PageHeaderData) - sizeof(ItemIdData));
+ specialSize + sizeof(PageHeaderData) - sizeof(ItemIdData));
specialSize = MAXALIGN(specialSize);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/storage/smgr/md.c,v 1.66 2000/04/10 23:41:51 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/smgr/md.c,v 1.67 2000/04/12 17:15:41 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "catalog/catalog.h"
#include "miscadmin.h"
#include "storage/smgr.h"
-#include "utils/inval.h" /* ImmediateSharedRelationCacheInvalidate() */
+#include "utils/inval.h" /* ImmediateSharedRelationCacheInvalidate()
+ * */
#undef DIAGNOSTIC
static int Nfds = 100; /* initial/current size of Md_fdvec array */
static MdfdVec *Md_fdvec = (MdfdVec *) NULL;
-static int Md_Free = -1; /* head of freelist of unused fdvec entries */
+static int Md_Free = -1; /* head of freelist of unused fdvec
+ * entries */
static int CurFd = 0; /* first never-used fdvec index */
static MemoryContext MdCxt; /* context for all my allocations */
/* routines declared here */
static void mdclose_fd(int fd);
-static int _mdfd_getrelnfd(Relation reln);
+static int _mdfd_getrelnfd(Relation reln);
static MdfdVec *_mdfd_openseg(Relation reln, int segno, int oflags);
static MdfdVec *_mdfd_getseg(Relation reln, int blkno);
static int _mdfd_blind_getseg(char *dbname, char *relname,
- Oid dbid, Oid relid, int blkno);
+ Oid dbid, Oid relid, int blkno);
static int _fdvec_alloc(void);
static void _fdvec_free(int);
static BlockNumber _mdnblocks(File file, Size blcksz);
* are processed.
*
* For cataloged relations,pg_class is guaranteed to have an unique
- * record with the same relname by the unique index.
- * So we are able to reuse existent files for new catloged relations.
- * Currently we reuse them in the following cases.
- * 1. they are empty.
- * 2. they are used for Index relations and their size == BLCKSZ * 2.
+ * record with the same relname by the unique index. So we are able to
+ * reuse existent files for new catloged relations. Currently we reuse
+ * them in the following cases. 1. they are empty. 2. they are used
+ * for Index relations and their size == BLCKSZ * 2.
*/
if (fd < 0)
return -1;
if (!IsBootstrapProcessingMode())
{
- bool reuse = false;
- int len = FileSeek(fd, 0L, SEEK_END);
+ bool reuse = false;
+ int len = FileSeek(fd, 0L, SEEK_END);
if (len == 0)
reuse = true;
else if (reln->rd_rel->relkind == RELKIND_INDEX &&
- len == BLCKSZ * 2)
+ len == BLCKSZ * 2)
reuse = true;
if (!reuse)
{
MdfdVec *v;
MemoryContext oldcxt;
- /* If the relation is already unlinked,we have nothing to do
- * any more.
+ /*
+ * If the relation is already unlinked,we have nothing to do any more.
*/
if (reln->rd_unlinked && reln->rd_fd < 0)
return SM_SUCCESS;
+
/*
- * Force all segments of the relation to be opened, so that we
- * won't miss deleting any of them.
+ * Force all segments of the relation to be opened, so that we won't
+ * miss deleting any of them.
*/
nblocks = mdnblocks(reln);
*
* NOTE: We truncate the file(s) before deleting 'em, because if other
* backends are holding the files open, the unlink will fail on some
- * platforms (think Microsoft). Better a zero-size file gets left around
- * than a big file. Those other backends will be forced to close the
- * relation by cache invalidation, but that probably hasn't happened yet.
+ * platforms (think Microsoft). Better a zero-size file gets left
+ * around than a big file. Those other backends will be forced to
+ * close the relation by cache invalidation, but that probably hasn't
+ * happened yet.
*/
fd = RelationGetFile(reln);
if (fd < 0) /* should not happen */
for (v = &Md_fdvec[fd]; v != (MdfdVec *) NULL;)
{
MdfdVec *ov = v;
+
FileTruncate(v->mdfd_vfd, 0);
FileUnlink(v->mdfd_vfd);
v = v->mdfd_chain;
int
mdextend(Relation reln, char *buffer)
{
- long pos, nbytes;
+ long pos,
+ nbytes;
int nblocks;
MdfdVec *v;
if ((pos = FileSeek(v->mdfd_vfd, 0L, SEEK_END)) < 0)
return SM_FAIL;
- if (pos % BLCKSZ != 0) /* the last block is incomplete */
+ if (pos % BLCKSZ != 0) /* the last block is incomplete */
{
pos -= pos % BLCKSZ;
if (FileSeek(v->mdfd_vfd, pos, SEEK_SET) < 0)
/* if not closed already */
if (v->mdfd_vfd >= 0)
{
+
/*
* We sync the file descriptor so that we don't need to reopen
* it at transaction commit to force changes to disk. (This
{
if (v->mdfd_vfd >= 0)
{
+
/*
* We sync the file descriptor so that we don't need to reopen
* it at transaction commit to force changes to disk. (This
{
int fd;
MdfdVec *v;
+
#ifndef LET_OS_MANAGE_FILESIZE
int nblocks;
int segno;
+
#endif
fd = _mdfd_getrelnfd(reln);
int curnblk;
int fd;
MdfdVec *v;
+
#ifndef LET_OS_MANAGE_FILESIZE
MemoryContext oldcxt;
int priorblocks;
+
#endif
- /* NOTE: mdnblocks makes sure we have opened all existing segments,
- * so that truncate/delete loop will get them all!
+ /*
+ * NOTE: mdnblocks makes sure we have opened all existing segments, so
+ * that truncate/delete loop will get them all!
*/
curnblk = mdnblocks(reln);
if (nblocks < 0 || nblocks > curnblk)
if (priorblocks > nblocks)
{
- /* This segment is no longer wanted at all (and has already been
- * unlinked from the mdfd_chain).
- * We truncate the file before deleting it because if other
- * backends are holding the file open, the unlink will fail on
- * some platforms. Better a zero-size file gets left around than
- * a big file...
+
+ /*
+ * This segment is no longer wanted at all (and has already
+ * been unlinked from the mdfd_chain). We truncate the file
+ * before deleting it because if other backends are holding
+ * the file open, the unlink will fail on some platforms.
+ * Better a zero-size file gets left around than a big file...
*/
FileTruncate(v->mdfd_vfd, 0);
FileUnlink(v->mdfd_vfd);
v = v->mdfd_chain;
- Assert(ov != &Md_fdvec[fd]); /* we never drop the 1st segment */
+ Assert(ov != &Md_fdvec[fd]); /* we never drop the 1st
+ * segment */
pfree(ov);
}
else if (priorblocks + RELSEG_SIZE > nblocks)
{
- /* This is the last segment we want to keep.
- * Truncate the file to the right length, and clear chain link
- * that points to any remaining segments (which we shall zap).
- * NOTE: if nblocks is exactly a multiple K of RELSEG_SIZE,
- * we will truncate the K+1st segment to 0 length but keep it.
- * This is mainly so that the right thing happens if nblocks=0.
+
+ /*
+ * This is the last segment we want to keep. Truncate the file
+ * to the right length, and clear chain link that points to
+ * any remaining segments (which we shall zap). NOTE: if
+ * nblocks is exactly a multiple K of RELSEG_SIZE, we will
+ * truncate the K+1st segment to 0 length but keep it. This is
+ * mainly so that the right thing happens if nblocks=0.
*/
- int lastsegblocks = nblocks - priorblocks;
+ int lastsegblocks = nblocks - priorblocks;
+
if (FileTruncate(v->mdfd_vfd, lastsegblocks * BLCKSZ) < 0)
return -1;
v->mdfd_lstbcnt = lastsegblocks;
}
else
{
- /* We still need this segment and 0 or more blocks beyond it,
+
+ /*
+ * We still need this segment and 0 or more blocks beyond it,
* so nothing to do here.
*/
v = v->mdfd_chain;
continue;
/* Sync the file entry */
#ifndef LET_OS_MANAGE_FILESIZE
- for ( ; v != (MdfdVec *) NULL; v = v->mdfd_chain)
+ for (; v != (MdfdVec *) NULL; v = v->mdfd_chain)
#else
if (v != (MdfdVec *) NULL)
#endif
}
return SM_SUCCESS;
-#endif /* XLOG */
+#endif /* XLOG */
}
/*
int
mdabort()
{
- /* We don't actually have to do anything here. fd.c will discard
+
+ /*
+ * We don't actually have to do anything here. fd.c will discard
* fsync-needed bits in its AtEOXact_Files() routine.
*/
return SM_SUCCESS;
{
char *path;
int fd;
+
#ifndef LET_OS_MANAGE_FILESIZE
int segno;
+
#endif
/* construct the path to the relation */
segno = blkno / RELSEG_SIZE;
if (segno > 0)
{
- char *segpath = (char *) palloc(strlen(path) + 12);
+ char *segpath = (char *) palloc(strlen(path) + 12);
sprintf(segpath, "%s.%d", path, segno);
pfree(path);
long len;
len = FileSeek(file, 0L, SEEK_END);
- if (len < 0) return 0; /* on failure, assume file is empty */
+ if (len < 0)
+ return 0; /* on failure, assume file is empty */
return (BlockNumber) (len / blcksz);
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/storage/smgr/smgr.c,v 1.34 2000/04/10 23:41:52 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/smgr/smgr.c,v 1.35 2000/04/12 17:15:42 momjian Exp $
*
*-------------------------------------------------------------------------
*/
typedef struct f_smgr
{
- int (*smgr_init) (void); /* may be NULL */
- int (*smgr_shutdown) (void); /* may be NULL */
+ int (*smgr_init) (void); /* may be NULL */
+ int (*smgr_shutdown) (void); /* may be NULL */
int (*smgr_create) (Relation reln);
int (*smgr_unlink) (Relation reln);
int (*smgr_extend) (Relation reln, char *buffer);
int (*smgr_open) (Relation reln);
int (*smgr_close) (Relation reln);
int (*smgr_read) (Relation reln, BlockNumber blocknum,
- char *buffer);
+ char *buffer);
int (*smgr_write) (Relation reln, BlockNumber blocknum,
- char *buffer);
+ char *buffer);
int (*smgr_flush) (Relation reln, BlockNumber blocknum,
- char *buffer);
+ char *buffer);
int (*smgr_blindwrt) (char *dbname, char *relname,
- Oid dbid, Oid relid,
- BlockNumber blkno, char *buffer,
- bool dofsync);
+ Oid dbid, Oid relid,
+ BlockNumber blkno, char *buffer,
+ bool dofsync);
int (*smgr_markdirty) (Relation reln, BlockNumber blkno);
int (*smgr_blindmarkdirty) (char *dbname, char *relname,
- Oid dbid, Oid relid,
- BlockNumber blkno);
+ Oid dbid, Oid relid,
+ BlockNumber blkno);
int (*smgr_nblocks) (Relation reln);
int (*smgr_truncate) (Relation reln, int nblocks);
- int (*smgr_commit) (void); /* may be NULL */
- int (*smgr_abort) (void); /* may be NULL */
+ int (*smgr_commit) (void); /* may be NULL */
+ int (*smgr_abort) (void); /* may be NULL */
} f_smgr;
/*
/* magnetic disk */
{mdinit, NULL, mdcreate, mdunlink, mdextend, mdopen, mdclose,
- mdread, mdwrite, mdflush, mdblindwrt, mdmarkdirty, mdblindmarkdirty,
- mdnblocks, mdtruncate, mdcommit, mdabort},
+ mdread, mdwrite, mdflush, mdblindwrt, mdmarkdirty, mdblindmarkdirty,
+ mdnblocks, mdtruncate, mdcommit, mdabort},
#ifdef STABLE_MEMORY_STORAGE
/* main memory */
{mminit, mmshutdown, mmcreate, mmunlink, mmextend, mmopen, mmclose,
- mmread, mmwrite, mmflush, mmblindwrt, mmmarkdirty, mmblindmarkdirty,
- mmnblocks, NULL, mmcommit, mmabort},
+ mmread, mmwrite, mmflush, mmblindwrt, mmmarkdirty, mmblindmarkdirty,
+ mmnblocks, NULL, mmcommit, mmabort},
#endif
};
if (status == SM_FAIL)
elog(ERROR, "%s: cannot extend. Check free disk space.",
- RelationGetRelationName(reln));
+ RelationGetRelationName(reln));
return status;
}
* This is currently called only from RelationFlushRelation() when
* the relation cache entry is about to be dropped; could be doing
* simple relation cache clear, or finishing up DROP TABLE.
- *
+ *
* Returns SM_SUCCESS on success, aborts on failure.
*/
int
* this case, the buffer manager will call smgrblindwrt() with
* the name and OID of the database and the relation to which the
* buffer belongs. Every storage manager must be able to force
- * this page down to stable storage in this circumstance. The
+ * this page down to stable storage in this circumstance. The
* write should be synchronous if dofsync is true.
*/
int
if ((nblocks = (*(smgrsw[which].smgr_nblocks)) (reln)) < 0)
elog(ERROR, "cannot count blocks for %s",
- RelationGetRelationName(reln));
+ RelationGetRelationName(reln));
return nblocks;
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/tcop/fastpath.c,v 1.37 2000/01/26 05:57:07 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/tcop/fastpath.c,v 1.38 2000/04/12 17:15:43 momjian Exp $
*
* NOTES
* This cruft is the server side of PQfn.
update_fp_info(fid, fip);
/*
- * XXX FIXME: elog() here means we lose sync with the frontend,
- * since we have not swallowed all of its input message. What
- * should happen is we absorb all of the input message per protocol
- * syntax, and *then* do error checking and elog if appropriate.
+ * XXX FIXME: elog() here means we lose sync with the frontend, since
+ * we have not swallowed all of its input message. What should happen
+ * is we absorb all of the input message per protocol syntax, and
+ * *then* do error checking and elog if appropriate.
*/
if (fip->nargs != nargs)
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.150 2000/04/04 23:52:50 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.151 2000/04/12 17:15:43 momjian Exp $
*
* NOTES
* this is the "main" module of the postgres backend and
PS_DEFINE_BUFFER;
#endif
-extern void BaseInit(void);
-extern void StartupXLOG(void);
-extern void ShutdownXLOG(void);
+extern void BaseInit(void);
+extern void StartupXLOG(void);
+extern void ShutdownXLOG(void);
-extern void HandleDeadLock(SIGNAL_ARGS);
+extern void HandleDeadLock(SIGNAL_ARGS);
-extern char XLogDir[];
-extern char ControlFilePath[];
+extern char XLogDir[];
+extern char ControlFilePath[];
extern int lockingOff;
extern int NBuffers;
extern int NBuffers;
-static bool EchoQuery = false; /* default don't echo */
+static bool EchoQuery = false; /* default don't echo */
time_t tim;
char pg_pathname[MAXPGPATH];
FILE *StatFp;
* decls for routines only used in this file
* ----------------------------------------------------------------
*/
-static int InteractiveBackend(StringInfo inBuf);
-static int SocketBackend(StringInfo inBuf);
-static int ReadCommand(StringInfo inBuf);
+static int InteractiveBackend(StringInfo inBuf);
+static int SocketBackend(StringInfo inBuf);
+static int ReadCommand(StringInfo inBuf);
static void pg_exec_query(char *query_string);
* InteractiveBackend() is called for user interactive connections
* the string entered by the user is placed in its parameter inBuf.
*
- * EOF is returned if end-of-file input is seen; time to shut down.
+ * EOF is returned if end-of-file input is seen; time to shut down.
* ----------------
*/
* the function call is processed in HandleFunctionRequest()
* (now called from PostgresMain()).
*
- * EOF is returned if the connection is lost.
+ * EOF is returned if the connection is lost.
* ----------------
*/
static int
ReadCommand(StringInfo inBuf)
{
- MemoryContext oldcontext;
- int result;
+ MemoryContext oldcontext;
+ int result;
- /* Make sure any expansion of inBuf happens in permanent memory context,
- * so that we can keep using it for future command cycles.
+ /*
+ * Make sure any expansion of inBuf happens in permanent memory
+ * context, so that we can keep using it for future command cycles.
*/
oldcontext = MemoryContextSwitchTo(TopMemoryContext);
if (IsUnderPostmaster)
* multiple queries and/or the rewriter might expand one query to several.
*/
List *
-pg_parse_and_rewrite(char *query_string, /* string to execute */
- Oid *typev, /* argument types */
- int nargs, /* number of arguments */
+pg_parse_and_rewrite(char *query_string, /* string to execute */
+ Oid *typev,/* argument types */
+ int nargs, /* number of arguments */
bool aclOverride)
{
List *querytree_list;
List *new_list;
if (DebugPrintQuery)
- {
TPRINTF(TRACE_QUERY, "query: %s", query_string);
- }
/* ----------------
* (1) parse the request string into a list of parse trees
else
{
/* rewrite regular queries */
- List *rewritten = QueryRewrite(querytree);
+ List *rewritten = QueryRewrite(querytree);
+
new_list = nconc(new_list, rewritten);
}
}
* list pointer has been advanced before the query is executed. We
* need to do that because VACUUM has a nasty little habit of doing
* CommitTransactionCommand at startup, and that will release the
- * memory holding our parse list :-(. This needs a better
- * solution --- currently, the code will crash if someone submits
- * "vacuum; something-else" in a single query string. But memory
- * allocation needs redesigned anyway, so this will have to do for
- * now.
+ * memory holding our parse list :-(. This needs a better solution
+ * --- currently, the code will crash if someone submits "vacuum;
+ * something-else" in a single query string. But memory allocation
+ * needs redesigned anyway, so this will have to do for now.
*/
while (querytree_list)
{
EndCommand(tag, dest);
- /* We continue in the loop, on the off chance that there
+ /*
+ * We continue in the loop, on the off chance that there
* is a COMMIT or ROLLBACK utility command later in the
* query string.
*/
die(SIGNAL_ARGS)
{
PG_SETMASK(&BlockSig);
+
/*
* If ERROR/FATAL is in progress...
*/
extern int optind;
extern char *optarg;
- extern int DebugLvl;
+ extern int DebugLvl;
/*
* Set default values for command-line options.
fprintf(stderr, "%s does not know where to find the database system "
"data. You must specify the directory that contains the "
"database system either by specifying the -D invocation "
- "option or by setting the PGDATA environment variable.\n\n",
+ "option or by setting the PGDATA environment variable.\n\n",
argv[0]);
proc_exit(1);
}
/*
- * 1. Set BlockSig and UnBlockSig masks.
- * 2. Set up signal handlers.
- * 3. Allow only SIGUSR1 signal (we never block it)
- * during initialization.
+ * 1. Set BlockSig and UnBlockSig masks. 2. Set up signal handlers. 3.
+ * Allow only SIGUSR1 signal (we never block it) during
+ * initialization.
*
* Note that postmaster already blocked ALL signals to make us happy.
*/
BlockSig &= ~(sigmask(SIGUSR1));
#endif
- pqsignal(SIGHUP, read_pg_options); /* update pg_options from file */
- pqsignal(SIGINT, QueryCancelHandler); /* cancel current query */
- pqsignal(SIGQUIT, handle_warn); /* handle error */
+ pqsignal(SIGHUP, read_pg_options); /* update pg_options from file */
+ pqsignal(SIGINT, QueryCancelHandler); /* cancel current query */
+ pqsignal(SIGQUIT, handle_warn); /* handle error */
pqsignal(SIGTERM, die);
pqsignal(SIGALRM, HandleDeadLock);
- /*
- * Ignore failure to write to frontend. Note: if frontend closes
- * connection, we will notice it and exit cleanly when control next
- * returns to outer loop. This seems safer than forcing exit in the
+
+ /*
+ * Ignore failure to write to frontend. Note: if frontend closes
+ * connection, we will notice it and exit cleanly when control next
+ * returns to outer loop. This seems safer than forcing exit in the
* midst of output during who-knows-what operation...
*/
pqsignal(SIGPIPE, SIG_IGN);
pqsignal(SIGUSR1, quickdie);
- pqsignal(SIGUSR2, Async_NotifyHandler); /* flush also sinval cache */
+ pqsignal(SIGUSR2, Async_NotifyHandler); /* flush also sinval cache */
pqsignal(SIGFPE, FloatExceptionHandler);
- pqsignal(SIGCHLD, SIG_IGN); /* ignored, sent by LockOwners */
+ pqsignal(SIGCHLD, SIG_IGN); /* ignored, sent by LockOwners */
pqsignal(SIGTTIN, SIG_DFL);
pqsignal(SIGTTOU, SIG_DFL);
pqsignal(SIGCONT, SIG_DFL);
* Try to create pid file.
*/
SetPidFname(DataDir);
- if (SetPidFile(-getpid())) {
+ if (SetPidFile(-getpid()))
proc_exit(0);
- }
+
/*
* Register clean up proc.
*/
remote_info = remote_host = "unknown";
break;
}
+
/*
* Set process params for ps
*/
on_shmem_exit(remove_all_temp_relations, NULL);
{
- MemoryContext oldcontext = MemoryContextSwitchTo(TopMemoryContext);
- parser_input = makeStringInfo(); /* initialize input buffer */
+ MemoryContext oldcontext = MemoryContextSwitchTo(TopMemoryContext);
+
+ parser_input = makeStringInfo(); /* initialize input buffer */
MemoryContextSwitchTo(oldcontext);
}
- /*
- * Send this backend's cancellation info to the frontend.
+ /*
+ * Send this backend's cancellation info to the frontend.
*/
if (whereToSendOutput == Remote &&
PG_PROTOCOL_MAJOR(FrontendProtocol) >= 2)
if (!IsUnderPostmaster)
{
puts("\nPOSTGRES backend interactive interface ");
- puts("$Revision: 1.150 $ $Date: 2000/04/04 23:52:50 $\n");
+ puts("$Revision: 1.151 $ $Date: 2000/04/12 17:15:43 $\n");
}
/*
/*
* POSTGRES main processing loop begins here
*
- * If an exception is encountered, processing resumes here
- * so we abort the current transaction and start a new one.
+ * If an exception is encountered, processing resumes here so we abort
+ * the current transaction and start a new one.
*/
if (sigsetjmp(Warn_restart, 1) != 0)
InError = false;
if (ExitAfterAbort)
{
- ProcReleaseLocks(); /* Just to be sure... */
+ ProcReleaseLocks(); /* Just to be sure... */
proc_exit(0);
}
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/tcop/utility.c,v 1.85 2000/04/04 21:44:40 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/tcop/utility.c,v 1.86 2000/04/12 17:15:43 momjian Exp $
*
*-------------------------------------------------------------------------
*/
case T_DropStmt:
{
- DropStmt *stmt = (DropStmt *) parsetree;
+ DropStmt *stmt = (DropStmt *) parsetree;
List *args = stmt->relNames;
List *arg;
PS_SET_STATUS(commandTag = "TRUNCATE");
CHECK_IF_ABORTED();
- relname = ((TruncateStmt *) parsetree)->relName;
+ relname = ((TruncateStmt *) parsetree)->relName;
if (!allowSystemTableMods && IsSystemRelationName(relname))
elog(ERROR, "TRUNCATE cannot be used on system tables. '%s' is a system table",
relname);
/* Grab exclusive lock in preparation for truncate... */
rel = heap_openr(relname, AccessExclusiveLock);
- if (rel->rd_rel->relkind == RELKIND_SEQUENCE)
+ if (rel->rd_rel->relkind == RELKIND_SEQUENCE)
elog(ERROR, "TRUNCATE cannot be used on sequences. '%s' is a sequence",
relname);
- heap_close(rel, NoLock);
+ heap_close(rel, NoLock);
#ifndef NO_SECURITY
if (!pg_ownercheck(userName, relname, RELNAME))
}
break;
- case T_CommentStmt:
- {
-
- CommentStmt *statement;
-
- statement = ((CommentStmt *) parsetree);
-
- PS_SET_STATUS(commandTag = "COMMENT");
- CHECK_IF_ABORTED();
- CommentObject(statement->objtype, statement->objname,
- statement->objproperty, statement->objlist,
- statement->comment);
- }
- break;
-
+ case T_CommentStmt:
+ {
+
+ CommentStmt *statement;
+
+ statement = ((CommentStmt *) parsetree);
+
+ PS_SET_STATUS(commandTag = "COMMENT");
+ CHECK_IF_ABORTED();
+ CommentObject(statement->objtype, statement->objname,
+ statement->objproperty, statement->objlist,
+ statement->comment);
+ }
+ break;
+
case T_CopyStmt:
*/
stmt->filename,
stmt->delimiter,
- stmt->null_print);
+ stmt->null_print);
}
break;
}
break;
- /* various Alter Table forms */
+ /* various Alter Table forms */
case T_AlterTableStmt:
- {
- AlterTableStmt *stmt = (AlterTableStmt *) parsetree;
-
- PS_SET_STATUS(commandTag = "ALTER");
- CHECK_IF_ABORTED();
-
- /*
- * Some or all of these functions are recursive to cover inherited things,
- * so permission checks are done there.
- */
- switch(stmt->subtype)
- {
- case 'A': /* ADD COLUMN */
- AlterTableAddColumn(stmt->relname, stmt->inh, (ColumnDef *) stmt->def);
- break;
- case 'T': /* ALTER COLUMN */
- AlterTableAlterColumn(stmt->relname, stmt->inh, stmt->name, stmt->def);
- break;
- case 'D': /* ALTER DROP */
- AlterTableDropColumn(stmt->relname, stmt->inh, stmt->name, stmt->behavior);
- break;
- case 'C': /* ADD CONSTRAINT */
- AlterTableAddConstraint(stmt->relname, stmt->inh, stmt->def);
- break;
- case 'X': /* DROP CONSTRAINT */
- AlterTableDropConstraint(stmt->relname, stmt->inh, stmt->name, stmt->behavior);
- break;
- default: /* oops */
- elog(ERROR, "T_AlterTableStmt: unknown subtype");
- break;
- }
- }
- break;
+ {
+ AlterTableStmt *stmt = (AlterTableStmt *) parsetree;
+
+ PS_SET_STATUS(commandTag = "ALTER");
+ CHECK_IF_ABORTED();
+
+ /*
+ * Some or all of these functions are recursive to cover
+ * inherited things, so permission checks are done there.
+ */
+ switch (stmt->subtype)
+ {
+ case 'A': /* ADD COLUMN */
+ AlterTableAddColumn(stmt->relname, stmt->inh, (ColumnDef *) stmt->def);
+ break;
+ case 'T': /* ALTER COLUMN */
+ AlterTableAlterColumn(stmt->relname, stmt->inh, stmt->name, stmt->def);
+ break;
+ case 'D': /* ALTER DROP */
+ AlterTableDropColumn(stmt->relname, stmt->inh, stmt->name, stmt->behavior);
+ break;
+ case 'C': /* ADD CONSTRAINT */
+ AlterTableAddConstraint(stmt->relname, stmt->inh, stmt->def);
+ break;
+ case 'X': /* DROP CONSTRAINT */
+ AlterTableDropConstraint(stmt->relname, stmt->inh, stmt->name, stmt->behavior);
+ break;
+ default: /* oops */
+ elog(ERROR, "T_AlterTableStmt: unknown subtype");
+ break;
+ }
+ }
+ break;
case T_ChangeACLStmt:
modechg = stmt->modechg;
foreach(i, stmt->relNames)
- {
+ {
Relation rel;
relname = strVal(lfirst(i));
DeferredTriggerSetState((ConstraintsSetStmt *) parsetree);
break;
- case T_CreateGroupStmt:
- PS_SET_STATUS(commandTag = "CREATE GROUP");
+ case T_CreateGroupStmt:
+ PS_SET_STATUS(commandTag = "CREATE GROUP");
CHECK_IF_ABORTED();
- CreateGroup((CreateGroupStmt *) parsetree);
- break;
+ CreateGroup((CreateGroupStmt *) parsetree);
+ break;
- case T_AlterGroupStmt:
- PS_SET_STATUS(commandTag = "ALTER GROUP");
+ case T_AlterGroupStmt:
+ PS_SET_STATUS(commandTag = "ALTER GROUP");
CHECK_IF_ABORTED();
- AlterGroup((AlterGroupStmt *) parsetree, "ALTER GROUP");
- break;
+ AlterGroup((AlterGroupStmt *) parsetree, "ALTER GROUP");
+ break;
- case T_DropGroupStmt:
- PS_SET_STATUS(commandTag = "DROP GROUP");
+ case T_DropGroupStmt:
+ PS_SET_STATUS(commandTag = "DROP GROUP");
CHECK_IF_ABORTED();
- DropGroup((DropGroupStmt *) parsetree);
- break;
+ DropGroup((DropGroupStmt *) parsetree);
+ break;
case T_ReindexStmt:
{
switch (stmt->reindexType)
{
case INDEX:
- relname = (char*) stmt->name;
+ relname = (char *) stmt->name;
if (IsSystemRelationName(relname))
{
if (!allowSystemTableMods && IsSystemRelationName(relname))
- elog(ERROR, "class \"%s\" is a system catalog index",
- relname);
+ elog(ERROR, "class \"%s\" is a system catalog index",
+ relname);
if (!IsIgnoringSystemIndexes())
elog(ERROR, "class \"%s\" is a system catalog index",
- relname);
+ relname);
}
#ifndef NO_SECURITY
if (!pg_ownercheck(userName, relname, RELNAME))
ReindexIndex(relname, stmt->force);
break;
case TABLE:
- relname = (char*) stmt->name;
+ relname = (char *) stmt->name;
if (IsSystemRelationName(relname))
{
if (!allowSystemTableMods && IsSystemRelationName(relname))
- elog(ERROR, "class \"%s\" is a system catalog index",
- relname);
+ elog(ERROR, "class \"%s\" is a system catalog index",
+ relname);
if (!IsIgnoringSystemIndexes())
elog(ERROR, "class \"%s\" is a system catalog index",
- relname);
+ relname);
}
#ifndef NO_SECURITY
if (!pg_ownercheck(userName, relname, RELNAME))
ReindexTable(relname, stmt->force);
break;
case DATABASE:
- relname = (char*) stmt->name;
+ relname = (char *) stmt->name;
if (!allowSystemTableMods)
elog(ERROR, "-O option is needed");
if (!IsIgnoringSystemIndexes())
break;
}
break;
+
/*
* ******************************** default ********************************
*
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: tgRecipe.h,v 1.13 2000/01/26 05:57:10 momjian Exp $
+ * $Id: tgRecipe.h,v 1.14 2000/04/12 17:15:45 momjian Exp $
*
*-------------------------------------------------------------------------
*/
*
*
*
+ *
+ *
* geo-decls.h */
#endif /* TIOGA_FRONTEND */
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/acl.c,v 1.44 2000/01/26 05:57:12 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/acl.c,v 1.45 2000/04/12 17:15:47 momjian Exp $
*
*-------------------------------------------------------------------------
*/
makeAclStmt(char *privileges, List *rel_list, char *grantee,
char grant_or_revoke)
{
- ChangeACLStmt *n = makeNode(ChangeACLStmt);
- StringInfoData str;
+ ChangeACLStmt *n = makeNode(ChangeACLStmt);
+ StringInfoData str;
initStringInfo(&str);
* workings can be found in the book "Software Solutions in C" by
* Dale Schumacher, Academic Press, ISBN: 0-12-632360-7.
*
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/cash.c,v 1.34 2000/03/19 22:10:52 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/cash.c,v 1.35 2000/04/12 17:15:48 momjian Exp $
*/
#include <limits.h>
#ifdef USE_LOCALE
static struct lconv *lconvert = NULL;
+
#endif
/* cash_in()
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/date.c,v 1.43 2000/03/14 23:06:35 thomas Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/date.c,v 1.44 2000/04/12 17:15:48 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "utils/builtins.h"
static int
-date2tm(DateADT dateVal, int *tzp, struct tm * tm, double *fsec, char **tzn);
+ date2tm(DateADT dateVal, int *tzp, struct tm * tm, double *fsec, char **tzn);
/*****************************************************************************
/* date_timestamp()
* Convert date to timestamp data type.
*/
-Timestamp *
+Timestamp *
date_timestamp(DateADT dateVal)
{
- Timestamp *result;
+ Timestamp *result;
struct tm tt,
*tm = &tt;
int tz;
elog(ERROR, "Bad (null) time external representation");
if ((ParseDateTime(str, lowstr, field, ftype, MAXDATEFIELDS, &nf) != 0)
- || (DecodeTimeOnly(field, ftype, nf, &dtype, tm, &fsec, NULL) != 0))
+ || (DecodeTimeOnly(field, ftype, nf, &dtype, tm, &fsec, NULL) != 0))
elog(ERROR, "Bad time external representation '%s'", str);
time = palloc(sizeof(*time));
return (*time1 < *time2) ? -1 : (((*time1 > *time2) ? 1 : 0));
} /* time_cmp() */
-TimeADT *
+TimeADT *
time_larger(TimeADT *time1, TimeADT *time2)
{
- return time_gt(time1, time2)? time1: time2;
+ return time_gt(time1, time2) ? time1 : time2;
} /* time_larger() */
-TimeADT *
+TimeADT *
time_smaller(TimeADT *time1, TimeADT *time2)
{
- return time_lt(time1, time2)? time1: time2;
+ return time_lt(time1, time2) ? time1 : time2;
} /* time_smaller() */
/* overlaps_time()
/* Make sure we have ordered pairs... */
if (time_gt(ts1, te1))
{
- TimeADT *tt = ts1;
+ TimeADT *tt = ts1;
+
ts1 = te1;
te1 = tt;
}
if (time_gt(ts2, te2))
{
- TimeADT *tt = ts2;
+ TimeADT *tt = ts2;
+
ts2 = te2;
te2 = tt;
}
return ((time_gt(ts1, ts2) && (time_lt(ts1, te2) || time_lt(te1, te2)))
- || (time_gt(ts2, ts1) && (time_lt(ts2, te1) || time_lt(te2, te1)))
+ || (time_gt(ts2, ts1) && (time_lt(ts2, te1) || time_lt(te2, te1)))
|| time_eq(ts1, ts2));
}
elog(ERROR, "Unable to convert timestamp to date");
if (TIMESTAMP_IS_EPOCH(*timestamp))
- {
timestamp2tm(SetTimestamp(*timestamp), NULL, tm, &fsec, NULL);
- }
else if (TIMESTAMP_IS_CURRENT(*timestamp))
- {
timestamp2tm(SetTimestamp(*timestamp), &tz, tm, &fsec, &tzn);
- }
else
{
if (timestamp2tm(*timestamp, &tz, tm, &fsec, &tzn) != 0)
/* datetime_timestamp()
* Convert date and time to timestamp data type.
*/
-Timestamp *
+Timestamp *
datetime_timestamp(DateADT date, TimeADT *time)
{
- Timestamp *result;
+ Timestamp *result;
if (!PointerIsValid(time))
{
*****************************************************************************/
-TimeTzADT *
+TimeTzADT *
timetz_in(char *str)
{
TimeTzADT *time;
elog(ERROR, "Bad (null) time external representation");
if ((ParseDateTime(str, lowstr, field, ftype, MAXDATEFIELDS, &nf) != 0)
- || (DecodeTimeOnly(field, ftype, nf, &dtype, tm, &fsec, &tz) != 0))
+ || (DecodeTimeOnly(field, ftype, nf, &dtype, tm, &fsec, &tz) != 0))
elog(ERROR, "Bad time external representation '%s'", str);
time = palloc(sizeof(*time));
int
timetz_cmp(TimeTzADT *time1, TimeTzADT *time2)
{
- return (timetz_lt(time1, time2) ? -1 : (timetz_gt(time1, time2)? 1: 0));
+ return (timetz_lt(time1, time2) ? -1 : (timetz_gt(time1, time2) ? 1 : 0));
} /* timetz_cmp() */
-TimeTzADT *
+TimeTzADT *
timetz_larger(TimeTzADT *time1, TimeTzADT *time2)
{
- return timetz_gt(time1, time2)? time1: time2;
+ return timetz_gt(time1, time2) ? time1 : time2;
} /* timetz_larger() */
-TimeTzADT *
+TimeTzADT *
timetz_smaller(TimeTzADT *time1, TimeTzADT *time2)
{
- return timetz_lt(time1, time2)? time1: time2;
+ return timetz_lt(time1, time2) ? time1 : time2;
} /* timetz_smaller() */
/* overlaps_timetz()
/* Make sure we have ordered pairs... */
if (timetz_gt(ts1, te1))
{
- TimeTzADT *tt = ts1;
+ TimeTzADT *tt = ts1;
+
ts1 = te1;
te1 = tt;
}
if (timetz_gt(ts2, te2))
{
- TimeTzADT *tt = ts2;
+ TimeTzADT *tt = ts2;
+
ts2 = te2;
te2 = tt;
}
/* timestamp_timetz()
* Convert timestamp to timetz data type.
*/
-TimeTzADT *
+TimeTzADT *
timestamp_timetz(Timestamp *timestamp)
{
- TimeTzADT *result;
+ TimeTzADT *result;
struct tm tt,
*tm = &tt;
int tz;
tz = 0;
}
else if (TIMESTAMP_IS_CURRENT(*timestamp))
- {
timestamp2tm(SetTimestamp(*timestamp), &tz, tm, &fsec, &tzn);
- }
else
{
if (timestamp2tm(*timestamp, &tz, tm, &fsec, &tzn) != 0)
* stored with the timetz to the result.
* - thomas 2000-03-10
*/
-Timestamp *
+Timestamp *
datetimetz_timestamp(DateADT date, TimeTzADT *time)
{
Timestamp *result;
result = palloc(sizeof(*result));
if (!PointerIsValid(date) || !PointerIsValid(time))
- {
TIMESTAMP_INVALID(*result);
- }
else
{
if (date2tm(date, &tz, tm, &fsec, &tzn) != 0)
return result;
} /* datetimetz_timestamp() */
-
-
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/datetime.c,v 1.45 2000/03/29 03:57:18 thomas Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/datetime.c,v 1.46 2000/04/12 17:15:49 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#define USE_DATE_CACHE 1
#define ROUND_ALL 0
-static int DecodePosixTimezone(char *str, int *val);
+static int DecodePosixTimezone(char *str, int *val);
int day_tab[2][13] = {
{31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31, 0},
while (isalpha(*cp))
*lp++ = tolower(*cp++);
- /* Full date string with leading text month?
- * Could also be a POSIX time zone...
+ /*
+ * Full date string with leading text month? Could also be a
+ * POSIX time zone...
*/
if ((*cp == '-') || (*cp == '/') || (*cp == '.'))
{
#if 0
+
/*
- * special case of Posix timezone "GMT-0800"
- * Note that other sign (e.g. "GMT+0800"
- * is recognized as two separate fields and handled later.
- * XXX There is no room for a delimiter between
- * the "GMT" and the "-0800", so we are going to just swallow the "GMT".
- * But this leads to other troubles with the definition of signs,
- * so we have to flip
- * - thomas 2000-02-06
+ * special case of Posix timezone "GMT-0800" Note that
+ * other sign (e.g. "GMT+0800" is recognized as two
+ * separate fields and handled later. XXX There is no room
+ * for a delimiter between the "GMT" and the "-0800", so
+ * we are going to just swallow the "GMT". But this leads
+ * to other troubles with the definition of signs, so we
+ * have to flip - thomas 2000-02-06
*/
- if ((*cp == '-') && isdigit(*(cp+1))
+ if ((*cp == '-') && isdigit(*(cp + 1))
&& (strncmp(field[nf], "gmt", 3) == 0))
{
*cp = '+';
tm->tm_min = 0;
tm->tm_sec = 0;
*fsec = 0;
- tm->tm_isdst = -1; /* don't know daylight savings time status apriori */
+ tm->tm_isdst = -1; /* don't know daylight savings time status
+ * apriori */
if (tzp != NULL)
*tzp = 0;
switch (ftype[i])
{
case DTK_DATE:
- /* Already have a date?
- * Then this might be a POSIX time zone
- * with an embedded dash (e.g. "PST-3" == "EST")
- * - thomas 2000-03-15
+
+ /*
+ * Already have a date? Then this might be a POSIX time
+ * zone with an embedded dash (e.g. "PST-3" == "EST") -
+ * thomas 2000-03-15
*/
if ((fmask & DTK_DATE_M) == DTK_DATE_M)
{
return -1;
{
- int tz;
+ int tz;
if (DecodeTimezone(field[i], &tz) != 0)
return -1;
- /* Already have a time zone?
- * Then maybe this is the second field of a POSIX time:
- * EST+3 (equivalent to PST)
+ /*
+ * Already have a time zone? Then maybe this is the
+ * second field of a POSIX time: EST+3 (equivalent to
+ * PST)
*/
if ((i > 0) && ((fmask & DTK_M(TZ)) != 0)
- && (ftype[i-1] == DTK_TZ) && (isalpha(*field[i-1])))
+ && (ftype[i - 1] == DTK_TZ) && (isalpha(*field[i - 1])))
{
*tzp -= tz;
tmask = 0;
break;
case MONTH:
+
/*
* already have a (numeric) month? then see if we
* can substitute...
tm->tm_mon += 1;
#if defined(HAVE_TM_ZONE)
- *tzp = -(tm->tm_gmtoff); /* tm_gmtoff is Sun/DEC-ism */
+ *tzp = -(tm->tm_gmtoff); /* tm_gmtoff is
+ * Sun/DEC-ism */
#elif defined(HAVE_INT_TIMEZONE)
#ifdef __CYGWIN__
*tzp = ((tm->tm_isdst > 0) ? (_timezone - 3600) : _timezone);
tm->tm_min = 0;
tm->tm_sec = 0;
*fsec = 0;
- tm->tm_isdst = -1; /* don't know daylight savings time status apriori */
+ tm->tm_isdst = -1; /* don't know daylight savings time status
+ * apriori */
if (tzp != NULL)
*tzp = 0;
switch (ftype[i])
{
case DTK_DATE:
- /* This might be a POSIX time zone
- * with an embedded dash (e.g. "PST-3" == "EST")
- * - thomas 2000-03-15
+
+ /*
+ * This might be a POSIX time zone with an embedded dash
+ * (e.g. "PST-3" == "EST") - thomas 2000-03-15
*/
if ((tzp == NULL)
|| (DecodePosixTimezone(field[i], tzp) != 0))
return -1;
{
- int tz;
+ int tz;
if (DecodeTimezone(field[i], &tz) != 0)
return -1;
- /* Already have a time zone?
- * Then maybe this is the second field of a POSIX time:
- * EST+3 (equivalent to PST)
+ /*
+ * Already have a time zone? Then maybe this is the
+ * second field of a POSIX time: EST+3 (equivalent to
+ * PST)
*/
if ((i > 0) && ((fmask & DTK_M(TZ)) != 0)
- && (ftype[i-1] == DTK_TZ) && (isalpha(*field[i-1])))
+ && (ftype[i - 1] == DTK_TZ) && (isalpha(*field[i - 1])))
{
*tzp -= tz;
tmask = 0;
/* timezone not specified? then find local timezone if possible */
if ((tzp != NULL) && (!(fmask & DTK_M(TZ))))
{
- struct tm tt, *tmp = &tt;
+ struct tm tt,
+ *tmp = &tt;
/*
- * daylight savings time modifier but no standard timezone?
- * then error
+ * daylight savings time modifier but no standard timezone? then
+ * error
*/
if (fmask & DTK_M(DTZMOD))
return -1;
tm->tm_isdst = tmp->tm_isdst;
#if defined(HAVE_TM_ZONE)
- *tzp = -(tmp->tm_gmtoff); /* tm_gmtoff is Sun/DEC-ism */
+ *tzp = -(tmp->tm_gmtoff); /* tm_gmtoff is Sun/DEC-ism */
#elif defined(HAVE_INT_TIMEZONE)
#ifdef __CYGWIN__
*tzp = ((tmp->tm_isdst > 0) ? (_timezone - 3600) : _timezone);
* Enough digits to be unequivocal year? Used to test for 4 digits or
* more, but we now test first for a three-digit doy so anything
* bigger than two digits had better be an explicit year. - thomas
- * 1999-01-09
- * Back to requiring a 4 digit year.
- * We accept a two digit year farther down.
- * - thomas 2000-03-28
+ * 1999-01-09 Back to requiring a 4 digit year. We accept a two digit
+ * year farther down. - thomas 2000-03-28
*/
else if (flen >= 4)
{
*tmask = DTK_M(DAY);
tm->tm_mday = val;
}
- /* Check for 2 or 4 or more digits, but currently we reach here
- * only if two digits. - thomas 2000-03-28
+
+ /*
+ * Check for 2 or 4 or more digits, but currently we reach here only
+ * if two digits. - thomas 2000-03-28
*/
else if (!(fmask & DTK_M(YEAR))
&& ((flen >= 4) || (flen == 2)))
/* DecodePosixTimezone()
* Interpret string as a POSIX-compatible timezone:
- * PST-hh:mm
- * PST+h
+ * PST-hh:mm
+ * PST+h
* - thomas 2000-03-15
*/
static int
DecodePosixTimezone(char *str, int *tzp)
{
- int val, tz;
+ int val,
+ tz;
int type;
char *cp;
char delim;
delim = *cp;
*cp = '\0';
- type = DecodeSpecial(MAXDATEFIELDS-1, str, &val);
+ type = DecodeSpecial(MAXDATEFIELDS - 1, str, &val);
*cp = delim;
- switch(type)
+ switch (type)
{
case DTZ:
case TZ:
* Binary search -- from Knuth (6.2.1) Algorithm B. Special case like this
* is WAY faster than the generic bsearch().
*/
-datetkn *
+datetkn *
datebsearch(char *key, datetkn *base, unsigned int nel)
{
datetkn *last = base + nel - 1,
if (tzp != NULL)
{
- int hour, min;
+ int hour,
+ min;
hour = -(*tzp / 3600);
min = ((abs(*tzp) / 60) % 60);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/float.c,v 1.56 2000/04/07 13:39:40 thomas Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/float.c,v 1.57 2000/04/12 17:15:49 momjian Exp $
*
*-------------------------------------------------------------------------
*/
tmp1 = *arg1;
tmp2 = *arg2;
- /* We must check both for errno getting set and for a NaN result,
- * in order to deal with the vagaries of different platforms...
+ /*
+ * We must check both for errno getting set and for a NaN result, in
+ * order to deal with the vagaries of different platforms...
*/
errno = 0;
*result = (float64data) pow(tmp1, tmp2);
tmp = *arg1;
- /* We must check both for errno getting set and for a NaN result,
- * in order to deal with the vagaries of different platforms.
- * Also, a zero result implies unreported underflow.
+ /*
+ * We must check both for errno getting set and for a NaN result, in
+ * order to deal with the vagaries of different platforms. Also, a
+ * zero result implies unreported underflow.
*/
errno = 0;
*result = (float64data) exp(tmp);
CheckFloat8Val(*result);
return result;
-} /* dlog1() */
+} /* dlog1() */
/*
CheckFloat8Val(*result);
return result;
-} /* dlog10() */
+} /* dlog10() */
/*
CheckFloat8Val(*result);
return result;
-} /* dacos() */
+} /* dacos() */
/*
CheckFloat8Val(*result);
return result;
-} /* dasin() */
+} /* dasin() */
/*
CheckFloat8Val(*result);
return result;
-} /* datan() */
+} /* datan() */
/*
CheckFloat8Val(*result);
return result;
-} /* datan2() */
+} /* datan2() */
/*
CheckFloat8Val(*result);
return result;
-} /* dcos() */
+} /* dcos() */
/*
)
elog(ERROR, "dcot(%f) input is out of range", *arg1);
- *result = 1.0/(*result);
+ *result = 1.0 / (*result);
CheckFloat8Val(*result);
return result;
-} /* dcot() */
+} /* dcot() */
/*
CheckFloat8Val(*result);
return result;
-} /* dsin() */
+} /* dsin() */
/*
CheckFloat8Val(*result);
return result;
-} /* dtan() */
+} /* dtan() */
#ifndef M_PI
CheckFloat8Val(*result);
return result;
-} /* degrees() */
+} /* degrees() */
/*
*result = (M_PI);
return result;
-} /* dpi() */
+} /* dpi() */
/*
CheckFloat8Val(*result);
return result;
-} /* radians() */
+} /* radians() */
/*
- * drandom - returns a random number
+ * drandom - returns a random number
*/
float64
drandom(void)
CheckFloat8Val(*result);
return result;
-} /* drandom() */
+} /* drandom() */
/*
int32
setseed(float64 seed)
{
- int iseed = ((*seed) * RAND_MAX);
+ int iseed = ((*seed) * RAND_MAX);
srandom((unsigned int) ((*seed) * RAND_MAX));
return iseed;
-} /* setseed() */
+} /* setseed() */
/*
/* -----------------------------------------------------------------------
* formatting.c
*
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/formatting.c,v 1.7 2000/04/07 19:17:31 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/formatting.c,v 1.8 2000/04/12 17:15:49 momjian Exp $
*
*
- * Portions Copyright (c) 1999-2000, PostgreSQL, Inc
+ * Portions Copyright (c) 1999-2000, PostgreSQL, Inc
*
*
- * TO_CHAR(); TO_TIMESTAMP(); TO_DATE(); TO_NUMBER();
+ * TO_CHAR(); TO_TIMESTAMP(); TO_DATE(); TO_NUMBER();
*
- * The PostgreSQL routines for a timestamp/int/float/numeric formatting,
- * inspire with Oracle TO_CHAR() / TO_DATE() / TO_NUMBER() routines.
+ * The PostgreSQL routines for a timestamp/int/float/numeric formatting,
+ * inspire with Oracle TO_CHAR() / TO_DATE() / TO_NUMBER() routines.
*
*
- * Cache & Memory:
- * Routines use (itself) internal cache for format pictures.
- *
+ * Cache & Memory:
+ * Routines use (itself) internal cache for format pictures.
+ *
* The cache uses a static buffers and is persistent across transactions.
- * If format-picture is bigger than cache buffer, parser is called always.
+ * If format-picture is bigger than cache buffer, parser is called always.
*
- * NOTE for Number version:
+ * NOTE for Number version:
* All in this version is implemented as keywords ( => not used
- * suffixes), because a format picture is for *one* item (number)
- * only. It not is as a timestamp version, where each keyword (can)
- * has suffix.
+ * suffixes), because a format picture is for *one* item (number)
+ * only. It not is as a timestamp version, where each keyword (can)
+ * has suffix.
*
- * NOTE for Timestamp routines:
+ * NOTE for Timestamp routines:
* In this module the POSIX 'struct tm' type is *not* used, but rather
* PgSQL type, which has tm_mon based on one (*non* zero) and
- * year *not* based on 1900, but is used full year number.
+ * year *not* based on 1900, but is used full year number.
* Module supports AD / BC / AM / PM.
*
- * Supported types for to_char():
- *
+ * Supported types for to_char():
+ *
* Timestamp, Numeric, int4, int8, float4, float8
*
- * Supported types for reverse conversion:
+ * Supported types for reverse conversion:
*
* Timestamp - to_timestamp()
* Date - to_date()
- * Numeric - to_number()
- *
- *
- * Karel Zak - Zakkr
+ * Numeric - to_number()
+ *
+ *
+ * Karel Zak - Zakkr
*
* -----------------------------------------------------------------------
*/
-
+
/* ----------
* UnComment me for DEBUG
* ----------
*/
/***
-#define DEBUG_TO_FROM_CHAR
+#define DEBUG_TO_FROM_CHAR
#define DEBUG_elog_output NOTICE
***/
* Routines type
* ----------
*/
-#define DCH_TYPE 1 /* DATE-TIME version */
-#define NUM_TYPE 2 /* NUMBER version */
+#define DCH_TYPE 1 /* DATE-TIME version */
+#define NUM_TYPE 2 /* NUMBER version */
/* ----------
* KeyWord Index (ascii from position 32 (' ') to 126 (~))
#define KeyWord_INDEX_FILTER(_c) ((_c) <= ' ' || (_c) >= '~' ? 0 : 1)
/* ----------
- * Maximal length of one node
+ * Maximal length of one node
* ----------
*/
-#define DCH_MAX_ITEM_SIZ 9 /* max julian day */
-#define NUM_MAX_ITEM_SIZ 8 /* roman number (RN has 15 chars) */
+#define DCH_MAX_ITEM_SIZ 9 /* max julian day */
+#define NUM_MAX_ITEM_SIZ 8 /* roman number (RN has 15 chars) */
/* ----------
* More is in float.c
* ----------
*/
-#define MAXFLOATWIDTH 64
-#define MAXDOUBLEWIDTH 128
+#define MAXFLOATWIDTH 64
+#define MAXDOUBLEWIDTH 128
/* ----------
- * External (defined in PgSQL dt.c (timestamp utils))
+ * External (defined in PgSQL dt.c (timestamp utils))
* ----------
*/
-extern char *months[], /* month abbreviation */
- *days[]; /* full days */
+extern char *months[], /* month abbreviation */
+ *days[]; /* full days */
/* ----------
- * Format parser structs
+ * Format parser structs
* ----------
*/
-typedef struct {
- char *name; /* suffix string */
- int len, /* suffix length */
- id, /* used in node->suffix */
- type; /* prefix / postfix */
+typedef struct
+{
+ char *name; /* suffix string */
+ int len, /* suffix length */
+ id, /* used in node->suffix */
+ type; /* prefix / postfix */
} KeySuffix;
-typedef struct {
- char *name; /* keyword */
- /* action for keyword */
- int len, /* keyword length */
- (*action)(),
- id; /* keyword id */
+typedef struct
+{
+ char *name; /* keyword */
+ /* action for keyword */
+ int len, /* keyword length */
+ (*action) (),
+ id; /* keyword id */
} KeyWord;
-typedef struct {
- int type; /* node type */
- KeyWord *key; /* if node type is KEYWORD */
- int character, /* if node type is CHAR */
- suffix; /* keyword suffix */
+typedef struct
+{
+ int type; /* node type */
+ KeyWord *key; /* if node type is KEYWORD */
+ int character, /* if node type is CHAR */
+ suffix; /* keyword suffix */
} FormatNode;
#define NODE_TYPE_END 1
-#define NODE_TYPE_ACTION 2
+#define NODE_TYPE_ACTION 2
#define NODE_TYPE_CHAR 3
#define SUFFTYPE_PREFIX 1
* Full months
* ----------
*/
-static char *months_full[] = {
- "January", "February", "March", "April", "May", "June", "July",
- "August", "September", "October", "November", "December", NULL
+static char *months_full[] = {
+ "January", "February", "March", "April", "May", "June", "July",
+ "August", "September", "October", "November", "December", NULL
};
/* ----------
* ----------
*/
#define YEAR_ABS(_y) (_y < 0 ? -(_y -1) : _y)
-#define BC_STR_ORIG " BC"
+#define BC_STR_ORIG " BC"
#define A_D_STR "A.D."
#define a_d_STR "a.d."
#define pm_STR "pm"
-/* ----------
- * Months in roman-numeral
- * (Must be conversely for seq_search (in FROM_CHAR), because
- * 'VIII' must be over 'V')
+/* ----------
+ * Months in roman-numeral
+ * (Must be conversely for seq_search (in FROM_CHAR), because
+ * 'VIII' must be over 'V')
* ----------
*/
-static char *rm_months_upper[] =
-{ "XII", "XI", "X", "IX", "VIII", "VII", "VI", "V", "IV", "III", "II", "I", NULL };
+static char *rm_months_upper[] =
+{"XII", "XI", "X", "IX", "VIII", "VII", "VI", "V", "IV", "III", "II", "I", NULL};
-static char *rm_months_lower[] =
-{ "xii", "xi", "x", "ix", "viii", "vii", "vi", "v", "iv", "iii", "ii", "i", NULL };
+static char *rm_months_lower[] =
+{"xii", "xi", "x", "ix", "viii", "vii", "vi", "v", "iv", "iii", "ii", "i", NULL};
/* ----------
* Roman numbers
* ----------
*/
-static char *rm1[] = { "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX", NULL };
-static char *rm10[] = { "X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC", NULL };
-static char *rm100[] = { "C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM", NULL };
+static char *rm1[] = {"I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX", NULL};
+static char *rm10[] = {"X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC", NULL};
+static char *rm100[] = {"C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM", NULL};
-/* ----------
- * Ordinal postfixes
+/* ----------
+ * Ordinal postfixes
* ----------
*/
-static char *numTH[] = { "ST", "ND", "RD", "TH", NULL };
-static char *numth[] = { "st", "nd", "rd", "th", NULL };
+static char *numTH[] = {"ST", "ND", "RD", "TH", NULL};
+static char *numth[] = {"st", "nd", "rd", "th", NULL};
-/* ----------
- * Flags & Options:
+/* ----------
+ * Flags & Options:
* ----------
*/
#define TO_CHAR 1
-#define FROM_CHAR 2
+#define FROM_CHAR 2
-#define ONE_UPPER 1 /* Name */
-#define ALL_UPPER 2 /* NAME */
-#define ALL_LOWER 3 /* name */
+#define ONE_UPPER 1 /* Name */
+#define ALL_UPPER 2 /* NAME */
+#define ALL_LOWER 3 /* name */
#define FULL_SIZ 0
-#define MAX_MON_LEN 3
+#define MAX_MON_LEN 3
#define MAX_DY_LEN 3
#define TH_UPPER 1
#ifdef DEBUG_TO_FROM_CHAR
- #define NOTICE_TM {\
+#define NOTICE_TM {\
elog(DEBUG_elog_output, "TM:\nsec %d\nyear %d\nmin %d\nwday %d\nhour %d\nyday %d\nmday %d\nnisdst %d\nmon %d\n",\
tm->tm_sec, tm->tm_year,\
tm->tm_min, tm->tm_wday, tm->tm_hour, tm->tm_yday,\
tm->tm_mday, tm->tm_isdst,tm->tm_mon);\
- }
+ }
#endif
/* ----------
* Flags for DCH version
* ----------
*/
-static int DCH_global_flag = 0;
-
-#define DCH_F_FX 0x01
+static int DCH_global_flag = 0;
+
+#define DCH_F_FX 0x01
#define IS_FX (DCH_global_flag & DCH_F_FX)
* Number description struct
* ----------
*/
-typedef struct {
- int pre, /* (count) numbers before decimal */
- post, /* (count) numbers after decimal */
- lsign, /* want locales sign */
- flag, /* number parametrs */
- pre_lsign_num, /* tmp value for lsign */
- multi, /* multiplier for 'V' */
- zero_start, /* position of first zero */
- zero_end, /* position of last zero */
- need_locale; /* needs it locale */
+typedef struct
+{
+ int pre, /* (count) numbers before decimal */
+ post, /* (count) numbers after decimal */
+ lsign, /* want locales sign */
+ flag, /* number parametrs */
+ pre_lsign_num, /* tmp value for lsign */
+ multi, /* multiplier for 'V' */
+ zero_start, /* position of first zero */
+ zero_end, /* position of last zero */
+ need_locale; /* needs it locale */
} NUMDesc;
/* ----------
- * Flags for NUMBER version
+ * Flags for NUMBER version
* ----------
*/
-#define NUM_F_DECIMAL 0x01
-#define NUM_F_LDECIMAL 0x02
+#define NUM_F_DECIMAL 0x01
+#define NUM_F_LDECIMAL 0x02
#define NUM_F_ZERO 0x04
-#define NUM_F_BLANK 0x08
+#define NUM_F_BLANK 0x08
#define NUM_F_FILLMODE 0x10
-#define NUM_F_LSIGN 0x20
+#define NUM_F_LSIGN 0x20
#define NUM_F_BRACKET 0x40
-#define NUM_F_MINUS 0x80
+#define NUM_F_MINUS 0x80
#define NUM_F_PLUS 0x100
-#define NUM_F_ROMAN 0x200
-#define NUM_F_MULTI 0x400
+#define NUM_F_ROMAN 0x200
+#define NUM_F_MULTI 0x400
#define NUM_LSIGN_PRE -1
#define NUM_LSIGN_POST 1
* Tests
* ----------
*/
-#define IS_DECIMAL(_f) ((_f)->flag & NUM_F_DECIMAL)
-#define IS_LDECIMAL(_f) ((_f)->flag & NUM_F_LDECIMAL)
-#define IS_ZERO(_f) ((_f)->flag & NUM_F_ZERO)
-#define IS_BLANK(_f) ((_f)->flag & NUM_F_BLANK)
-#define IS_FILLMODE(_f) ((_f)->flag & NUM_F_FILLMODE)
-#define IS_BRACKET(_f) ((_f)->flag & NUM_F_BRACKET)
+#define IS_DECIMAL(_f) ((_f)->flag & NUM_F_DECIMAL)
+#define IS_LDECIMAL(_f) ((_f)->flag & NUM_F_LDECIMAL)
+#define IS_ZERO(_f) ((_f)->flag & NUM_F_ZERO)
+#define IS_BLANK(_f) ((_f)->flag & NUM_F_BLANK)
+#define IS_FILLMODE(_f) ((_f)->flag & NUM_F_FILLMODE)
+#define IS_BRACKET(_f) ((_f)->flag & NUM_F_BRACKET)
#define IS_MINUS(_f) ((_f)->flag & NUM_F_MINUS)
#define IS_LSIGN(_f) ((_f)->flag & NUM_F_LSIGN)
-#define IS_PLUS(_f) ((_f)->flag & NUM_F_PLUS)
+#define IS_PLUS(_f) ((_f)->flag & NUM_F_PLUS)
#define IS_ROMAN(_f) ((_f)->flag & NUM_F_ROMAN)
#define IS_MULTI(_f) ((_f)->flag & NUM_F_MULTI)
/* ----------
- * Format picture cache
- * (cache size:
- * Number part = NUM_CACHE_SIZE * NUM_CACHE_FIELDS
+ * Format picture cache
+ * (cache size:
+ * Number part = NUM_CACHE_SIZE * NUM_CACHE_FIELDS
* Date-time part = DCH_CACHE_SIZE * DCH_CACHE_FIELDS
* )
* ----------
*/
-#define NUM_CACHE_SIZE 64
+#define NUM_CACHE_SIZE 64
#define NUM_CACHE_FIELDS 16
#define DCH_CACHE_SIZE 128
#define DCH_CACHE_FIELDS 16
-typedef struct {
- FormatNode format [ DCH_CACHE_SIZE +1];
- char str [ DCH_CACHE_SIZE +1];
- int age;
+typedef struct
+{
+ FormatNode format[DCH_CACHE_SIZE + 1];
+ char str[DCH_CACHE_SIZE + 1];
+ int age;
} DCHCacheEntry;
-typedef struct {
- FormatNode format [ NUM_CACHE_SIZE +1];
- char str [ NUM_CACHE_SIZE +1];
- int age;
- NUMDesc Num;
+typedef struct
+{
+ FormatNode format[NUM_CACHE_SIZE + 1];
+ char str[NUM_CACHE_SIZE + 1];
+ int age;
+ NUMDesc Num;
} NUMCacheEntry;
-static DCHCacheEntry DCHCache [ DCH_CACHE_FIELDS +1]; /* global cache for date/time part */
-static int n_DCHCache = 0; /* number of entries */
-static int DCHCounter = 0;
+static DCHCacheEntry DCHCache[DCH_CACHE_FIELDS + 1]; /* global cache for
+ * date/time part */
+static int n_DCHCache = 0; /* number of entries */
+static int DCHCounter = 0;
-static NUMCacheEntry NUMCache [ NUM_CACHE_FIELDS +1]; /* global cache for number part */
-static int n_NUMCache = 0; /* number of entries */
-static int NUMCounter = 0;
+static NUMCacheEntry NUMCache[NUM_CACHE_FIELDS + 1]; /* global cache for
+ * number part */
+static int n_NUMCache = 0; /* number of entries */
+static int NUMCounter = 0;
#define MAX_INT32 (2147483640)
/* ----------
- * Private global-modul definitions
+ * Private global-modul definitions
* ----------
*/
-static struct tm _tm, *tm = &_tm;
+static struct tm _tm,
+ *tm = &_tm;
/* ----------
* Utils
#endif
/*****************************************************************************
- * KeyWords definition & action
+ * KeyWords definition & action
*****************************************************************************/
-static int dch_global(int arg, char *inout, int suf, int flag, FormatNode *node);
-static int dch_time(int arg, char *inout, int suf, int flag, FormatNode *node);
-static int dch_date(int arg, char *inout, int suf, int flag, FormatNode *node);
+static int dch_global(int arg, char *inout, int suf, int flag, FormatNode *node);
+static int dch_time(int arg, char *inout, int suf, int flag, FormatNode *node);
+static int dch_date(int arg, char *inout, int suf, int flag, FormatNode *node);
-/* ----------
- * Suffixes:
+/* ----------
+ * Suffixes:
* ----------
*/
-#define DCH_S_FM 0x01
-#define DCH_S_TH 0x02
-#define DCH_S_th 0x04
-#define DCH_S_SP 0x08
+#define DCH_S_FM 0x01
+#define DCH_S_TH 0x02
+#define DCH_S_th 0x04
+#define DCH_S_SP 0x08
-/* ----------
- * Suffix tests
+/* ----------
+ * Suffix tests
* ----------
*/
#define S_THth(_s) (((_s & DCH_S_TH) || (_s & DCH_S_th)) ? 1 : 0)
* ----------
*/
static KeySuffix DCH_suff[] = {
- { "FM", 2, DCH_S_FM, SUFFTYPE_PREFIX },
- { "fm", 2, DCH_S_FM, SUFFTYPE_PREFIX },
- { "TH", 2, DCH_S_TH, SUFFTYPE_POSTFIX },
- { "th", 2, DCH_S_th, SUFFTYPE_POSTFIX },
- { "SP", 2, DCH_S_SP, SUFFTYPE_POSTFIX },
+ {"FM", 2, DCH_S_FM, SUFFTYPE_PREFIX},
+ {"fm", 2, DCH_S_FM, SUFFTYPE_PREFIX},
+ {"TH", 2, DCH_S_TH, SUFFTYPE_POSTFIX},
+ {"th", 2, DCH_S_th, SUFFTYPE_POSTFIX},
+ {"SP", 2, DCH_S_SP, SUFFTYPE_POSTFIX},
/* last */
- { NULL, 0, 0, 0 }
+ {NULL, 0, 0, 0}
};
/* ----------
* Format-pictures (KeyWord).
- *
+ *
* The KeyWord field; alphabetic sorted, *BUT* strings alike is sorted
- * complicated -to-> easy:
+ * complicated -to-> easy:
*
- * (example: "DDD","DD","Day","D" )
+ * (example: "DDD","DD","Day","D" )
*
* (this specific sort needs the algorithm for sequential search for strings,
- * which not has exact end; -> How keyword is in "HH12blabla" ? - "HH"
- * or "HH12"? You must first try "HH12", because "HH" is in string, but
- * it is not good.
+ * which not has exact end; -> How keyword is in "HH12blabla" ? - "HH"
+ * or "HH12"? You must first try "HH12", because "HH" is in string, but
+ * it is not good.
*
- * (!)
- * Position for the keyword is simular as position in the enum DCH/NUM_poz
+ * (!)
+ * Position for the keyword is simular as position in the enum DCH/NUM_poz
* (!)
*
- * For fast search is used the 'int index[]', index is ascii table from position
- * 32 (' ') to 126 (~), in this index is DCH_ / NUM_ enums for each ASCII
- * position or -1 if char is not used in the KeyWord. Search example for
+ * For fast search is used the 'int index[]', index is ascii table from position
+ * 32 (' ') to 126 (~), in this index is DCH_ / NUM_ enums for each ASCII
+ * position or -1 if char is not used in the KeyWord. Search example for
* string "MM":
- * 1) see in index to index['M' - 32],
+ * 1) see in index to index['M' - 32],
* 2) take keywords position (enum DCH_MM) from index
- * 3) run sequential search in keywords[] from this position
+ * 3) run sequential search in keywords[] from this position
*
* ----------
*/
-typedef enum {
+typedef enum
+{
DCH_A_D,
DCH_A_M,
- DCH_AD,
+ DCH_AD,
DCH_AM,
DCH_B_C,
DCH_BC,
DCH_Day,
DCH_Dy,
DCH_D,
- DCH_FX, /* global suffix */
+ DCH_FX, /* global suffix */
DCH_HH24,
DCH_HH12,
DCH_HH,
DCH_YYY,
DCH_YY,
DCH_Y,
- DCH_a_d,
+ DCH_a_d,
DCH_a_m,
DCH_ad,
- DCH_am,
+ DCH_am,
DCH_b_c,
DCH_bc,
DCH_cc,
- DCH_day,
+ DCH_day,
DCH_ddd,
DCH_dd,
DCH_dy,
DCH_fx,
DCH_hh24,
DCH_hh12,
- DCH_hh,
+ DCH_hh,
DCH_j,
DCH_mi,
DCH_mm,
DCH_yyyy,
DCH_yyy,
DCH_yy,
- DCH_y,
+ DCH_y,
/* last */
_DCH_last_
} DCH_poz;
-typedef enum {
+typedef enum
+{
NUM_COMMA,
NUM_DEC,
NUM_0,
NUM_sp,
NUM_s,
NUM_th,
- NUM_v,
-
+ NUM_v,
+
/* last */
_NUM_last_
} NUM_poz;
* KeyWords for DATE-TIME version
* ----------
*/
-static KeyWord DCH_keywords[] = {
-/* keyword, len, func. type is in Index */
-{ "A.D.", 4, dch_date, DCH_A_D }, /*A*/
-{ "A.M.", 4, dch_time, DCH_A_M },
-{ "AD", 2, dch_date, DCH_AD },
-{ "AM", 2, dch_time, DCH_AM },
-{ "B.C.", 4, dch_date, DCH_B_C }, /*B*/
-{ "BC", 2, dch_date, DCH_BC },
-{ "CC", 2, dch_date, DCH_CC }, /*C*/
-{ "DAY", 3, dch_date, DCH_DAY }, /*D*/
-{ "DDD", 3, dch_date, DCH_DDD },
-{ "DD", 2, dch_date, DCH_DD },
-{ "DY", 2, dch_date, DCH_DY },
-{ "Day", 3, dch_date, DCH_Day },
-{ "Dy", 2, dch_date, DCH_Dy },
-{ "D", 1, dch_date, DCH_D },
-{ "FX", 2, dch_global, DCH_FX }, /*F*/
-{ "HH24", 4, dch_time, DCH_HH24 }, /*H*/
-{ "HH12", 4, dch_time, DCH_HH12 },
-{ "HH", 2, dch_time, DCH_HH },
-{ "J", 1, dch_date, DCH_J }, /*J*/
-{ "MI", 2, dch_time, DCH_MI },
-{ "MM", 2, dch_date, DCH_MM },
-{ "MONTH", 5, dch_date, DCH_MONTH },
-{ "MON", 3, dch_date, DCH_MON },
-{ "Month", 5, dch_date, DCH_Month },
-{ "Mon", 3, dch_date, DCH_Mon },
-{ "P.M.", 4, dch_time, DCH_P_M }, /*P*/
-{ "PM", 2, dch_time, DCH_PM },
-{ "Q", 1, dch_date, DCH_Q }, /*Q*/
-{ "RM", 2, dch_date, DCH_RM }, /*R*/
-{ "SSSS", 4, dch_time, DCH_SSSS }, /*S*/
-{ "SS", 2, dch_time, DCH_SS },
-{ "WW", 2, dch_date, DCH_WW }, /*W*/
-{ "W", 1, dch_date, DCH_W },
-{ "Y,YYY", 5, dch_date, DCH_Y_YYY }, /*Y*/
-{ "YYYY", 4, dch_date, DCH_YYYY },
-{ "YYY", 3, dch_date, DCH_YYY },
-{ "YY", 2, dch_date, DCH_YY },
-{ "Y", 1, dch_date, DCH_Y },
-{ "a.d.", 4, dch_date, DCH_a_d }, /*a*/
-{ "a.m.", 4, dch_time, DCH_a_m },
-{ "ad", 2, dch_date, DCH_ad },
-{ "am", 2, dch_time, DCH_am },
-{ "b.c.", 4, dch_date, DCH_b_c }, /*b*/
-{ "bc", 2, dch_date, DCH_bc },
-{ "cc", 2, dch_date, DCH_CC }, /*c*/
-{ "day", 3, dch_date, DCH_day }, /*d*/
-{ "ddd", 3, dch_date, DCH_DDD },
-{ "dd", 2, dch_date, DCH_DD },
-{ "dy", 2, dch_date, DCH_dy },
-{ "d", 1, dch_date, DCH_D },
-{ "fx", 2, dch_global, DCH_FX }, /*f*/
-{ "hh24", 4, dch_time, DCH_HH24 }, /*h*/
-{ "hh12", 4, dch_time, DCH_HH12 },
-{ "hh", 2, dch_time, DCH_HH },
-{ "j", 1, dch_time, DCH_J }, /*j*/
-{ "mi", 2, dch_time, DCH_MI }, /*m*/
-{ "mm", 2, dch_date, DCH_MM },
-{ "month", 5, dch_date, DCH_month },
-{ "mon", 3, dch_date, DCH_mon },
-{ "p.m.", 4, dch_time, DCH_p_m }, /*p*/
-{ "pm", 2, dch_time, DCH_pm },
-{ "q", 1, dch_date, DCH_Q }, /*q*/
-{ "rm", 2, dch_date, DCH_rm }, /*r*/
-{ "ssss", 4, dch_time, DCH_SSSS }, /*s*/
-{ "ss", 2, dch_time, DCH_SS },
-{ "ww", 2, dch_date, DCH_WW }, /*w*/
-{ "w", 1, dch_date, DCH_W },
-{ "y,yyy", 5, dch_date, DCH_Y_YYY }, /*y*/
-{ "yyyy", 4, dch_date, DCH_YYYY },
-{ "yyy", 3, dch_date, DCH_YYY },
-{ "yy", 2, dch_date, DCH_YY },
-{ "y", 1, dch_date, DCH_Y },
+static KeyWord DCH_keywords[] = {
+/* keyword, len, func. type is in Index */
+ {"A.D.", 4, dch_date, DCH_A_D}, /* A */
+ {"A.M.", 4, dch_time, DCH_A_M},
+ {"AD", 2, dch_date, DCH_AD},
+ {"AM", 2, dch_time, DCH_AM},
+ {"B.C.", 4, dch_date, DCH_B_C}, /* B */
+ {"BC", 2, dch_date, DCH_BC},
+ {"CC", 2, dch_date, DCH_CC},/* C */
+ {"DAY", 3, dch_date, DCH_DAY}, /* D */
+ {"DDD", 3, dch_date, DCH_DDD},
+ {"DD", 2, dch_date, DCH_DD},
+ {"DY", 2, dch_date, DCH_DY},
+ {"Day", 3, dch_date, DCH_Day},
+ {"Dy", 2, dch_date, DCH_Dy},
+ {"D", 1, dch_date, DCH_D},
+ {"FX", 2, dch_global, DCH_FX}, /* F */
+ {"HH24", 4, dch_time, DCH_HH24}, /* H */
+ {"HH12", 4, dch_time, DCH_HH12},
+ {"HH", 2, dch_time, DCH_HH},
+ {"J", 1, dch_date, DCH_J}, /* J */
+ {"MI", 2, dch_time, DCH_MI},
+ {"MM", 2, dch_date, DCH_MM},
+ {"MONTH", 5, dch_date, DCH_MONTH},
+ {"MON", 3, dch_date, DCH_MON},
+ {"Month", 5, dch_date, DCH_Month},
+ {"Mon", 3, dch_date, DCH_Mon},
+ {"P.M.", 4, dch_time, DCH_P_M}, /* P */
+ {"PM", 2, dch_time, DCH_PM},
+ {"Q", 1, dch_date, DCH_Q}, /* Q */
+ {"RM", 2, dch_date, DCH_RM},/* R */
+ {"SSSS", 4, dch_time, DCH_SSSS}, /* S */
+ {"SS", 2, dch_time, DCH_SS},
+ {"WW", 2, dch_date, DCH_WW},/* W */
+ {"W", 1, dch_date, DCH_W},
+ {"Y,YYY", 5, dch_date, DCH_Y_YYY}, /* Y */
+ {"YYYY", 4, dch_date, DCH_YYYY},
+ {"YYY", 3, dch_date, DCH_YYY},
+ {"YY", 2, dch_date, DCH_YY},
+ {"Y", 1, dch_date, DCH_Y},
+ {"a.d.", 4, dch_date, DCH_a_d}, /* a */
+ {"a.m.", 4, dch_time, DCH_a_m},
+ {"ad", 2, dch_date, DCH_ad},
+ {"am", 2, dch_time, DCH_am},
+ {"b.c.", 4, dch_date, DCH_b_c}, /* b */
+ {"bc", 2, dch_date, DCH_bc},
+ {"cc", 2, dch_date, DCH_CC},/* c */
+ {"day", 3, dch_date, DCH_day}, /* d */
+ {"ddd", 3, dch_date, DCH_DDD},
+ {"dd", 2, dch_date, DCH_DD},
+ {"dy", 2, dch_date, DCH_dy},
+ {"d", 1, dch_date, DCH_D},
+ {"fx", 2, dch_global, DCH_FX}, /* f */
+ {"hh24", 4, dch_time, DCH_HH24}, /* h */
+ {"hh12", 4, dch_time, DCH_HH12},
+ {"hh", 2, dch_time, DCH_HH},
+ {"j", 1, dch_time, DCH_J}, /* j */
+ {"mi", 2, dch_time, DCH_MI},/* m */
+ {"mm", 2, dch_date, DCH_MM},
+ {"month", 5, dch_date, DCH_month},
+ {"mon", 3, dch_date, DCH_mon},
+ {"p.m.", 4, dch_time, DCH_p_m}, /* p */
+ {"pm", 2, dch_time, DCH_pm},
+ {"q", 1, dch_date, DCH_Q}, /* q */
+ {"rm", 2, dch_date, DCH_rm},/* r */
+ {"ssss", 4, dch_time, DCH_SSSS}, /* s */
+ {"ss", 2, dch_time, DCH_SS},
+ {"ww", 2, dch_date, DCH_WW},/* w */
+ {"w", 1, dch_date, DCH_W},
+ {"y,yyy", 5, dch_date, DCH_Y_YYY}, /* y */
+ {"yyyy", 4, dch_date, DCH_YYYY},
+ {"yyy", 3, dch_date, DCH_YYY},
+ {"yy", 2, dch_date, DCH_YY},
+ {"y", 1, dch_date, DCH_Y},
/* last */
-{ NULL, 0, NULL, 0 }};
+{NULL, 0, NULL, 0}};
/* ----------
* KeyWords for NUMBER version
* ----------
*/
-static KeyWord NUM_keywords[] = {
-/* keyword, len, func. type is in Index */
-{ ",", 1, NULL, NUM_COMMA }, /*,*/
-{ ".", 1, NULL, NUM_DEC }, /*.*/
-{ "0", 1, NULL, NUM_0 }, /*0*/
-{ "9", 1, NULL, NUM_9 }, /*9*/
-{ "B", 1, NULL, NUM_B }, /*B*/
-{ "C", 1, NULL, NUM_C }, /*C*/
-{ "D", 1, NULL, NUM_D }, /*D*/
-{ "E", 1, NULL, NUM_E }, /*E*/
-{ "FM", 2, NULL, NUM_FM }, /*F*/
-{ "G", 1, NULL, NUM_G }, /*G*/
-{ "L", 1, NULL, NUM_L }, /*L*/
-{ "MI", 2, NULL, NUM_MI }, /*M*/
-{ "PL", 2, NULL, NUM_PL }, /*P*/
-{ "PR", 2, NULL, NUM_PR },
-{ "RN", 2, NULL, NUM_RN }, /*R*/
-{ "SG", 2, NULL, NUM_SG }, /*S*/
-{ "SP", 2, NULL, NUM_SP },
-{ "S", 1, NULL, NUM_S },
-{ "TH", 2, NULL, NUM_TH }, /*T*/
-{ "V", 1, NULL, NUM_V }, /*V*/
-{ "b", 1, NULL, NUM_B }, /*b*/
-{ "c", 1, NULL, NUM_C }, /*c*/
-{ "d", 1, NULL, NUM_D }, /*d*/
-{ "e", 1, NULL, NUM_E }, /*e*/
-{ "fm", 2, NULL, NUM_FM }, /*f*/
-{ "g", 1, NULL, NUM_G }, /*g*/
-{ "l", 1, NULL, NUM_L }, /*l*/
-{ "mi", 2, NULL, NUM_MI }, /*m*/
-{ "pl", 2, NULL, NUM_PL }, /*p*/
-{ "pr", 2, NULL, NUM_PR },
-{ "rn", 2, NULL, NUM_rn }, /*r*/
-{ "sg", 2, NULL, NUM_SG }, /*s*/
-{ "sp", 2, NULL, NUM_SP },
-{ "s", 1, NULL, NUM_S },
-{ "th", 2, NULL, NUM_th }, /*t*/
-{ "v", 1, NULL, NUM_V }, /*v*/
-
-/* last */
-{ NULL, 0, NULL, 0 }};
+static KeyWord NUM_keywords[] = {
+/* keyword, len, func. type is in Index */
+ {",", 1, NULL, NUM_COMMA}, /* , */
+ {".", 1, NULL, NUM_DEC}, /* . */
+ {"0", 1, NULL, NUM_0}, /* 0 */
+ {"9", 1, NULL, NUM_9}, /* 9 */
+ {"B", 1, NULL, NUM_B}, /* B */
+ {"C", 1, NULL, NUM_C}, /* C */
+ {"D", 1, NULL, NUM_D}, /* D */
+ {"E", 1, NULL, NUM_E}, /* E */
+ {"FM", 2, NULL, NUM_FM}, /* F */
+ {"G", 1, NULL, NUM_G}, /* G */
+ {"L", 1, NULL, NUM_L}, /* L */
+ {"MI", 2, NULL, NUM_MI}, /* M */
+ {"PL", 2, NULL, NUM_PL}, /* P */
+ {"PR", 2, NULL, NUM_PR},
+ {"RN", 2, NULL, NUM_RN}, /* R */
+ {"SG", 2, NULL, NUM_SG}, /* S */
+ {"SP", 2, NULL, NUM_SP},
+ {"S", 1, NULL, NUM_S},
+ {"TH", 2, NULL, NUM_TH}, /* T */
+ {"V", 1, NULL, NUM_V}, /* V */
+ {"b", 1, NULL, NUM_B}, /* b */
+ {"c", 1, NULL, NUM_C}, /* c */
+ {"d", 1, NULL, NUM_D}, /* d */
+ {"e", 1, NULL, NUM_E}, /* e */
+ {"fm", 2, NULL, NUM_FM}, /* f */
+ {"g", 1, NULL, NUM_G}, /* g */
+ {"l", 1, NULL, NUM_L}, /* l */
+ {"mi", 2, NULL, NUM_MI}, /* m */
+ {"pl", 2, NULL, NUM_PL}, /* p */
+ {"pr", 2, NULL, NUM_PR},
+ {"rn", 2, NULL, NUM_rn}, /* r */
+ {"sg", 2, NULL, NUM_SG}, /* s */
+ {"sp", 2, NULL, NUM_SP},
+ {"s", 1, NULL, NUM_S},
+ {"th", 2, NULL, NUM_th}, /* t */
+ {"v", 1, NULL, NUM_V}, /* v */
+
+/* last */
+{NULL, 0, NULL, 0}};
/* ----------
* KeyWords index for DATE-TIME version
* ----------
*/
-static int DCH_index[ KeyWord_INDEX_SIZE ] = {
+static int DCH_index[KeyWord_INDEX_SIZE] = {
/*
0 1 2 3 4 5 6 7 8 9
*/
/*---- first 0..31 chars are skiped ----*/
- -1, -1, -1, -1, -1, -1, -1, -1,
--1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
--1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
--1, -1, -1, -1, -1, DCH_A_D,DCH_B_C,DCH_CC, DCH_DAY,-1,
-DCH_FX, -1, DCH_HH24,-1, DCH_J, -1, -1, DCH_MI, -1, -1,
-DCH_P_M, DCH_Q, DCH_RM, DCH_SSSS,-1, -1, -1, DCH_WW, -1, DCH_Y_YYY,
--1, -1, -1, -1, -1, -1, -1, DCH_a_d,DCH_b_c,DCH_cc,
-DCH_day,-1, DCH_fx, -1, DCH_hh24,-1, DCH_j, -1, -1, DCH_mi,
--1, -1, DCH_p_m, DCH_q, DCH_rm, DCH_ssss,-1, -1, -1, DCH_ww,
--1, DCH_y_yyy,-1, -1, -1, -1
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, DCH_A_D, DCH_B_C, DCH_CC, DCH_DAY, -1,
+ DCH_FX, -1, DCH_HH24, -1, DCH_J, -1, -1, DCH_MI, -1, -1,
+ DCH_P_M, DCH_Q, DCH_RM, DCH_SSSS, -1, -1, -1, DCH_WW, -1, DCH_Y_YYY,
+ -1, -1, -1, -1, -1, -1, -1, DCH_a_d, DCH_b_c, DCH_cc,
+ DCH_day, -1, DCH_fx, -1, DCH_hh24, -1, DCH_j, -1, -1, DCH_mi,
+ -1, -1, DCH_p_m, DCH_q, DCH_rm, DCH_ssss, -1, -1, -1, DCH_ww,
+ -1, DCH_y_yyy, -1, -1, -1, -1
/*---- chars over 126 are skiped ----*/
-};
+};
/* ----------
* KeyWords index for NUMBER version
* ----------
*/
-static int NUM_index[ KeyWord_INDEX_SIZE ] = {
+static int NUM_index[KeyWord_INDEX_SIZE] = {
/*
0 1 2 3 4 5 6 7 8 9
*/
/*---- first 0..31 chars are skiped ----*/
- -1, -1, -1, -1, -1, -1, -1, -1,
--1, -1, -1, -1, NUM_COMMA,-1, NUM_DEC,-1, NUM_0, -1,
--1, -1, -1, -1, -1, -1, -1, NUM_9, -1, -1,
--1, -1, -1, -1, -1, -1, NUM_B, NUM_C, NUM_D, NUM_E,
-NUM_FM, NUM_G, -1, -1, -1, -1, NUM_L, NUM_MI, -1, -1,
-NUM_PL,-1, NUM_RN, NUM_SG, NUM_TH, -1, NUM_V, -1, -1, -1,
--1, -1, -1, -1, -1, -1, -1, -1, NUM_b, NUM_c,
-NUM_d, NUM_e, NUM_fm, NUM_g, -1, -1, -1, -1, NUM_l, NUM_mi,
--1, -1, NUM_pl, -1, NUM_rn, NUM_sg, NUM_th, -1, NUM_v, -1,
--1, -1, -1, -1, -1, -1
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, NUM_COMMA, -1, NUM_DEC, -1, NUM_0, -1,
+ -1, -1, -1, -1, -1, -1, -1, NUM_9, -1, -1,
+ -1, -1, -1, -1, -1, -1, NUM_B, NUM_C, NUM_D, NUM_E,
+ NUM_FM, NUM_G, -1, -1, -1, -1, NUM_L, NUM_MI, -1, -1,
+ NUM_PL, -1, NUM_RN, NUM_SG, NUM_TH, -1, NUM_V, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, NUM_b, NUM_c,
+ NUM_d, NUM_e, NUM_fm, NUM_g, -1, -1, -1, -1, NUM_l, NUM_mi,
+ -1, -1, NUM_pl, -1, NUM_rn, NUM_sg, NUM_th, -1, NUM_v, -1,
+ -1, -1, -1, -1, -1, -1
/*---- chars over 126 are skiped ----*/
};
*/
typedef struct NUMProc
{
- int type; /* FROM_CHAR (TO_NUMBER) or TO_CHAR */
-
- NUMDesc *Num; /* number description */
-
- int sign, /* '-' or '+' */
- sign_wrote, /* was sign write */
- sign_pos, /* pre number sign position */
- num_count, /* number of write digits */
- num_in, /* is inside number */
- num_curr, /* current position in number */
- num_pre, /* space before first number */
-
- read_dec, /* to_number - was read dec. point */
- read_post; /* to_number - number of dec. digit */
-
- char *number, /* string with number */
- *number_p, /* pointer to current number pozition */
- *inout, /* in / out buffer */
- *inout_p, /* pointer to current inout pozition */
- *last_relevant, /* last relevant number after decimal point */
-
- *L_negative_sign, /* Locale */
- *L_positive_sign,
- *decimal,
- *L_thousands_sep,
- *L_currency_symbol;
+ int type; /* FROM_CHAR (TO_NUMBER) or TO_CHAR */
+
+ NUMDesc *Num; /* number description */
+
+ int sign, /* '-' or '+' */
+ sign_wrote, /* was sign write */
+ sign_pos, /* pre number sign position */
+ num_count, /* number of write digits */
+ num_in, /* is inside number */
+ num_curr, /* current position in number */
+ num_pre, /* space before first number */
+
+ read_dec, /* to_number - was read dec. point */
+ read_post; /* to_number - number of dec. digit */
+
+ char *number, /* string with number */
+ *number_p, /* pointer to current number pozition */
+ *inout, /* in / out buffer */
+ *inout_p, /* pointer to current inout pozition */
+ *last_relevant, /* last relevant number after decimal
+ * point */
+
+ *L_negative_sign,/* Locale */
+ *L_positive_sign,
+ *decimal,
+ *L_thousands_sep,
+ *L_currency_symbol;
} NUMProc;
static KeyWord *index_seq_search(char *str, KeyWord *kw, int *index);
static KeySuffix *suff_search(char *str, KeySuffix *suf, int type);
static void NUMDesc_prepare(NUMDesc *num, FormatNode *n);
-static void parse_format(FormatNode *node, char *str, KeyWord *kw,
- KeySuffix *suf, int *index, int ver, NUMDesc *Num);
+static void parse_format(FormatNode *node, char *str, KeyWord *kw,
+ KeySuffix *suf, int *index, int ver, NUMDesc *Num);
static char *DCH_processor(FormatNode *node, char *inout, int flag);
#ifdef DEBUG_TO_FROM_CHAR
- static void dump_index(KeyWord *k, int *index);
- static void dump_node(FormatNode *node, int max);
+static void dump_index(KeyWord *k, int *index);
+static void dump_node(FormatNode *node, int max);
+
#endif
static char *get_th(char *num, int type);
static char *str_numth(char *dest, char *num, int type);
-static int int4len(int4 num);
+static int int4len(int4 num);
static char *str_toupper(char *buff);
static char *str_tolower(char *buff);
+
/* static int is_acdc(char *str, int *len); */
-static int seq_search(char *name, char **array, int type, int max, int *len);
-static int dch_global(int arg, char *inout, int suf, int flag, FormatNode *node);
-static int dch_time(int arg, char *inout, int suf, int flag, FormatNode *node);
-static int dch_date(int arg, char *inout, int suf, int flag, FormatNode *node);
+static int seq_search(char *name, char **array, int type, int max, int *len);
+static int dch_global(int arg, char *inout, int suf, int flag, FormatNode *node);
+static int dch_time(int arg, char *inout, int suf, int flag, FormatNode *node);
+static int dch_date(int arg, char *inout, int suf, int flag, FormatNode *node);
static char *fill_str(char *str, int c, int max);
-static FormatNode *NUM_cache( int len, NUMDesc *Num, char *pars_str, int *flag);
+static FormatNode *NUM_cache(int len, NUMDesc *Num, char *pars_str, int *flag);
static char *int_to_roman(int number);
static void NUM_prepare_locale(NUMProc *Np);
static char *get_last_relevant_decnum(char *num);
-static void NUM_numpart_from_char(NUMProc *Np, int id, int plen);
-static void NUM_numpart_to_char(NUMProc *Np, int id);
-static char *NUM_processor (FormatNode *node, NUMDesc *Num, char *inout, char *number,
- int plen, int sign, int type);
-static DCHCacheEntry *DCH_cache_search( char *str );
-static DCHCacheEntry *DCH_cache_getnew( char *str );
-static NUMCacheEntry *NUM_cache_search( char *str );
-static NUMCacheEntry *NUM_cache_getnew( char *str );
+static void NUM_numpart_from_char(NUMProc *Np, int id, int plen);
+static void NUM_numpart_to_char(NUMProc *Np, int id);
+static char *NUM_processor(FormatNode *node, NUMDesc *Num, char *inout, char *number,
+ int plen, int sign, int type);
+static DCHCacheEntry *DCH_cache_search(char *str);
+static DCHCacheEntry *DCH_cache_getnew(char *str);
+static NUMCacheEntry *NUM_cache_search(char *str);
+static NUMCacheEntry *NUM_cache_getnew(char *str);
/* ----------
* ----------
*/
static KeyWord *
-index_seq_search(char *str, KeyWord *kw, int *index)
+index_seq_search(char *str, KeyWord *kw, int *index)
{
- int poz;
+ int poz;
- if (! KeyWord_INDEX_FILTER(*str))
+ if (!KeyWord_INDEX_FILTER(*str))
return (KeyWord *) NULL;
- if ( (poz = *(index + (*str - ' '))) > -1) {
-
- KeyWord *k = kw+poz;
-
- do {
- if (! strncmp(str, k->name, k->len))
+ if ((poz = *(index + (*str - ' '))) > -1)
+ {
+
+ KeyWord *k = kw + poz;
+
+ do
+ {
+ if (!strncmp(str, k->name, k->len))
return k;
k++;
if (!k->name)
- return (KeyWord *) NULL;
- } while(*str == *k->name);
+ return (KeyWord *) NULL;
+ } while (*str == *k->name);
}
return (KeyWord *) NULL;
}
static KeySuffix *
suff_search(char *str, KeySuffix *suf, int type)
{
- KeySuffix *s;
-
- for(s=suf; s->name != NULL; s++) {
+ KeySuffix *s;
+
+ for (s = suf; s->name != NULL; s++)
+ {
if (s->type != type)
continue;
-
+
if (!strncmp(str, s->name, s->len))
return s;
}
* Prepare NUMDesc (number description struct) via FormatNode struct
* ----------
*/
-static void
+static void
NUMDesc_prepare(NUMDesc *num, FormatNode *n)
{
if (n->type != NODE_TYPE_ACTION)
return;
-
- switch(n->key->id) {
-
+
+ switch (n->key->id)
+ {
+
case NUM_9:
if (IS_BRACKET(num))
- elog(ERROR, "to_char/to_number(): '9' must be ahead of 'PR'.");
-
- if (IS_MULTI(num)) {
+ elog(ERROR, "to_char/to_number(): '9' must be ahead of 'PR'.");
+
+ if (IS_MULTI(num))
+ {
++num->multi;
break;
}
if (IS_DECIMAL(num))
++num->post;
- else
+ else
++num->pre;
break;
-
+
case NUM_0:
if (IS_BRACKET(num))
- elog(ERROR, "to_char/to_number(): '0' must be ahead of 'PR'.");
+ elog(ERROR, "to_char/to_number(): '0' must be ahead of 'PR'.");
- if (!IS_ZERO(num) && !IS_DECIMAL(num)) {
- num->flag |= NUM_F_ZERO;
+ if (!IS_ZERO(num) && !IS_DECIMAL(num))
+ {
+ num->flag |= NUM_F_ZERO;
num->zero_start = num->pre + 1;
}
- if (! IS_DECIMAL(num))
+ if (!IS_DECIMAL(num))
++num->pre;
- else
+ else
++num->post;
-
+
num->zero_end = num->pre + num->post;
- break;
-
+ break;
+
case NUM_B:
- if (num->pre == 0 && num->post == 0 && (! IS_ZERO(num)))
- num->flag |= NUM_F_BLANK;
- break;
-
+ if (num->pre == 0 && num->post == 0 && (!IS_ZERO(num)))
+ num->flag |= NUM_F_BLANK;
+ break;
+
case NUM_D:
num->flag |= NUM_F_LDECIMAL;
num->need_locale = TRUE;
case NUM_DEC:
if (IS_DECIMAL(num))
- elog(ERROR, "to_char/to_number(): not unique decimal poit.");
+ elog(ERROR, "to_char/to_number(): not unique decimal poit.");
if (IS_MULTI(num))
- elog(ERROR, "to_char/to_number(): can't use 'V' and decimal poin together.");
+ elog(ERROR, "to_char/to_number(): can't use 'V' and decimal poin together.");
num->flag |= NUM_F_DECIMAL;
break;
-
+
case NUM_FM:
num->flag |= NUM_F_FILLMODE;
break;
-
+
case NUM_S:
if (IS_LSIGN(num))
- elog(ERROR, "to_char/to_number(): not unique 'S'.");
-
+ elog(ERROR, "to_char/to_number(): not unique 'S'.");
+
if (IS_PLUS(num) || IS_MINUS(num) || IS_BRACKET(num))
- elog(ERROR, "to_char/to_number(): can't use 'S' and 'PL'/'MI'/'SG'/'PR' together.");
-
- if (! IS_DECIMAL(num)) {
+ elog(ERROR, "to_char/to_number(): can't use 'S' and 'PL'/'MI'/'SG'/'PR' together.");
+
+ if (!IS_DECIMAL(num))
+ {
num->lsign = NUM_LSIGN_PRE;
num->pre_lsign_num = num->pre;
num->need_locale = TRUE;
num->flag |= NUM_F_LSIGN;
-
- } else if (num->lsign == NUM_LSIGN_NONE) {
- num->lsign = NUM_LSIGN_POST;
+
+ }
+ else if (num->lsign == NUM_LSIGN_NONE)
+ {
+ num->lsign = NUM_LSIGN_POST;
num->need_locale = TRUE;
num->flag |= NUM_F_LSIGN;
- }
+ }
break;
-
+
case NUM_MI:
if (IS_LSIGN(num))
- elog(ERROR, "to_char/to_number(): can't use 'S' and 'MI' together.");
-
+ elog(ERROR, "to_char/to_number(): can't use 'S' and 'MI' together.");
+
num->flag |= NUM_F_MINUS;
break;
-
+
case NUM_PL:
if (IS_LSIGN(num))
- elog(ERROR, "to_char/to_number(): can't use 'S' and 'PL' together.");
-
+ elog(ERROR, "to_char/to_number(): can't use 'S' and 'PL' together.");
+
num->flag |= NUM_F_PLUS;
- break;
-
+ break;
+
case NUM_SG:
if (IS_LSIGN(num))
- elog(ERROR, "to_char/to_number(): can't use 'S' and 'SG' together.");
-
+ elog(ERROR, "to_char/to_number(): can't use 'S' and 'SG' together.");
+
num->flag |= NUM_F_MINUS;
num->flag |= NUM_F_PLUS;
break;
-
+
case NUM_PR:
if (IS_LSIGN(num) || IS_PLUS(num) || IS_MINUS(num))
- elog(ERROR, "to_char/to_number(): can't use 'PR' and 'S'/'PL'/'MI'/'SG' together.");
+ elog(ERROR, "to_char/to_number(): can't use 'PR' and 'S'/'PL'/'MI'/'SG' together.");
num->flag |= NUM_F_BRACKET;
- break;
-
+ break;
+
case NUM_rn:
case NUM_RN:
num->flag |= NUM_F_ROMAN;
break;
-
+
case NUM_L:
case NUM_G:
- num->need_locale = TRUE;
+ num->need_locale = TRUE;
break;
-
+
case NUM_V:
if (IS_DECIMAL(num))
- elog(ERROR, "to_char/to_number(): can't use 'V' and decimal poin together.");
+ elog(ERROR, "to_char/to_number(): can't use 'V' and decimal poin together.");
num->flag |= NUM_F_MULTI;
- break;
-
+ break;
+
case NUM_E:
- elog(ERROR, "to_char/to_number(): 'E' is not supported.");
+ elog(ERROR, "to_char/to_number(): 'E' is not supported.");
}
-
+
return;
}
/* ----------
- * Format parser, search small keywords and keyword's suffixes, and make
+ * Format parser, search small keywords and keyword's suffixes, and make
* format-node tree.
*
- * for DATE-TIME & NUMBER version
+ * for DATE-TIME & NUMBER version
* ----------
*/
-static void
-parse_format(FormatNode *node, char *str, KeyWord *kw,
- KeySuffix *suf, int *index, int ver, NUMDesc *Num)
+static void
+parse_format(FormatNode *node, char *str, KeyWord *kw,
+ KeySuffix *suf, int *index, int ver, NUMDesc *Num)
{
- KeySuffix *s;
- FormatNode *n;
- int node_set=0,
- suffix,
- last=0;
+ KeySuffix *s;
+ FormatNode *n;
+ int node_set = 0,
+ suffix,
+ last = 0;
#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, "to_char/number(): run parser.");
n = node;
- while(*str) {
- suffix=0;
-
- /* ----------
- * Prefix
+ while (*str)
+ {
+ suffix = 0;
+
+ /* ----------
+ * Prefix
* ----------
*/
- if (ver==DCH_TYPE && (s = suff_search(str, suf, SUFFTYPE_PREFIX)) != NULL) {
+ if (ver == DCH_TYPE && (s = suff_search(str, suf, SUFFTYPE_PREFIX)) != NULL)
+ {
suffix |= s->id;
if (s->len)
str += s->len;
}
-
+
/* ----------
- * Keyword
+ * Keyword
* ----------
*/
- if (*str && (n->key = index_seq_search(str, kw, index)) != NULL) {
-
+ if (*str && (n->key = index_seq_search(str, kw, index)) != NULL)
+ {
+
n->type = NODE_TYPE_ACTION;
n->suffix = 0;
- node_set= 1;
+ node_set = 1;
if (n->key->len)
str += n->key->len;
-
+
/* ----------
- * NUM version: Prepare global NUMDesc struct
+ * NUM version: Prepare global NUMDesc struct
* ----------
*/
- if (ver==NUM_TYPE)
+ if (ver == NUM_TYPE)
NUMDesc_prepare(Num, n);
-
+
/* ----------
* Postfix
* ----------
*/
- if (ver==DCH_TYPE && *str && (s = suff_search(str, suf, SUFFTYPE_POSTFIX)) != NULL) {
+ if (ver == DCH_TYPE && *str && (s = suff_search(str, suf, SUFFTYPE_POSTFIX)) != NULL)
+ {
suffix |= s->id;
if (s->len)
str += s->len;
}
-
- } else if (*str) {
-
- /* ----------
- * Special characters '\' and '"'
+
+ }
+ else if (*str)
+ {
+
+ /* ----------
+ * Special characters '\' and '"'
* ----------
*/
- if (*str == '"' && last != '\\') {
-
- int x = 0;
-
- while(*(++str)) {
- if (*str == '"' && x != '\\') {
+ if (*str == '"' && last != '\\')
+ {
+
+ int x = 0;
+
+ while (*(++str))
+ {
+ if (*str == '"' && x != '\\')
+ {
str++;
break;
- } else if (*str == '\\' && x != '\\') {
+ }
+ else if (*str == '\\' && x != '\\')
+ {
x = '\\';
continue;
}
n->key = (KeyWord *) NULL;
n->suffix = 0;
++n;
- x = *str;
+ x = *str;
}
node_set = 0;
suffix = 0;
last = 0;
-
- } else if (*str && *str == '\\' && last!='\\' && *(str+1) =='"') {
+
+ }
+ else if (*str && *str == '\\' && last != '\\' && *(str + 1) == '"')
+ {
last = *str;
str++;
-
- } else if (*str) {
+
+ }
+ else if (*str)
+ {
n->type = NODE_TYPE_CHAR;
n->character = *str;
n->key = (KeyWord *) NULL;
last = 0;
str++;
}
-
+
}
-
- /* end */
- if (node_set) {
- if (n->type == NODE_TYPE_ACTION)
- n->suffix = suffix;
+
+ /* end */
+ if (node_set)
+ {
+ if (n->type == NODE_TYPE_ACTION)
+ n->suffix = suffix;
++n;
n->suffix = 0;
node_set = 0;
}
-
+
}
n->type = NODE_TYPE_END;
}
/* ----------
- * Call keyword's function for each of (action) node in format-node tree
+ * Call keyword's function for each of (action) node in format-node tree
* ----------
*/
static char *
DCH_processor(FormatNode *node, char *inout, int flag)
{
- FormatNode *n;
- char *s;
-
-
+ FormatNode *n;
+ char *s;
+
+
/* ----------
* Zeroing global flags
* ----------
*/
DCH_global_flag = 0;
-
- for(n=node, s=inout; n->type != NODE_TYPE_END; n++) {
- if (n->type == NODE_TYPE_ACTION) {
-
- int len;
-
+
+ for (n = node, s = inout; n->type != NODE_TYPE_END; n++)
+ {
+ if (n->type == NODE_TYPE_ACTION)
+ {
+
+ int len;
+
/* ----------
- * Call node action function
+ * Call node action function
* ----------
*/
- len = n->key->action(n->key->id, s, n->suffix, flag, n);
- if (len > 0)
+ len = n->key->action(n->key->id, s, n->suffix, flag, n);
+ if (len > 0)
s += len;
else if (len == -1)
- continue;
-
- } else {
-
+ continue;
+
+ }
+ else
+ {
+
/* ----------
* Remove to output char from input in TO_CHAR
* ----------
*/
- if (flag == TO_CHAR)
+ if (flag == TO_CHAR)
*s = n->character;
-
- else {
+
+ else
+ {
/* ----------
- * Skip blank space in FROM_CHAR's input
+ * Skip blank space in FROM_CHAR's input
* ----------
*/
- if (isspace(n->character) && IS_FX == 0) {
- while(*s != '\0' && isspace(*(s+1)))
- ++s;
+ if (isspace(n->character) && IS_FX == 0)
+ {
+ while (*s != '\0' && isspace(*(s + 1)))
+ ++s;
}
}
}
-
- ++s; /* ! */
-
+
+ ++s; /* ! */
+
}
-
+
if (flag == TO_CHAR)
*s = '\0';
return inout;
#define DUMP_THth(_suf) (S_TH(_suf) ? "TH" : (S_th(_suf) ? "th" : " "))
#define DUMP_FM(_suf) (S_FM(_suf) ? "FM" : " ")
-static void
+static void
dump_node(FormatNode *node, int max)
{
- FormatNode *n;
- int a;
-
+ FormatNode *n;
+ int a;
+
elog(DEBUG_elog_output, "to_from-char(): DUMP FORMAT");
-
- for(a=0, n=node; a<=max; n++, a++) {
- if (n->type == NODE_TYPE_ACTION)
- elog(DEBUG_elog_output, "%d:\t NODE_TYPE_ACTION '%s'\t(%s,%s)",
- a, n->key->name, DUMP_THth(n->suffix), DUMP_FM(n->suffix));
- else if (n->type == NODE_TYPE_CHAR)
- elog(DEBUG_elog_output, "%d:\t NODE_TYPE_CHAR '%c'", a, n->character);
- else if (n->type == NODE_TYPE_END) {
- elog(DEBUG_elog_output, "%d:\t NODE_TYPE_END", a);
+
+ for (a = 0, n = node; a <= max; n++, a++)
+ {
+ if (n->type == NODE_TYPE_ACTION)
+ elog(DEBUG_elog_output, "%d:\t NODE_TYPE_ACTION '%s'\t(%s,%s)",
+ a, n->key->name, DUMP_THth(n->suffix), DUMP_FM(n->suffix));
+ else if (n->type == NODE_TYPE_CHAR)
+ elog(DEBUG_elog_output, "%d:\t NODE_TYPE_CHAR '%c'", a, n->character);
+ else if (n->type == NODE_TYPE_END)
+ {
+ elog(DEBUG_elog_output, "%d:\t NODE_TYPE_END", a);
return;
- } else
- elog(DEBUG_elog_output, "%d:\t UnKnown NODE !!!", a);
-
+ }
+ else
+ elog(DEBUG_elog_output, "%d:\t UnKnown NODE !!!", a);
+
}
}
+
#endif
/*****************************************************************************
- * Private utils
+ * Private utils
*****************************************************************************/
/* ----------
- * Return ST/ND/RD/TH for simple (1..9) numbers
+ * Return ST/ND/RD/TH for simple (1..9) numbers
* type --> 0 upper, 1 lower
- * ----------
- */
+ * ----------
+ */
static char *
get_th(char *num, int type)
{
- int len = strlen(num),
- last;
-
- last = *(num + (len-1));
+ int len = strlen(num),
+ last;
+
+ last = *(num + (len - 1));
if (!isdigit((unsigned char) last))
elog(ERROR, "get_th: '%s' is not number.", num);
-
+
/* 11 || 12 */
- if (len == 2 && (last=='1' || last=='2') && *num == '1')
- last=0;
+ if (len == 2 && (last == '1' || last == '2') && *num == '1')
+ last = 0;
- switch(last) {
+ switch (last)
+ {
case '1':
- if (type==TH_UPPER) return numTH[0];
+ if (type == TH_UPPER)
+ return numTH[0];
return numth[0];
case '2':
- if (type==TH_UPPER) return numTH[1];
+ if (type == TH_UPPER)
+ return numTH[1];
return numth[1];
case '3':
- if (type==TH_UPPER) return numTH[2];
- return numth[2];
+ if (type == TH_UPPER)
+ return numTH[2];
+ return numth[2];
default:
- if (type==TH_UPPER) return numTH[3];
+ if (type == TH_UPPER)
+ return numTH[3];
return numth[3];
}
return NULL;
}
/* ----------
- * Convert string-number to ordinal string-number
- * type --> 0 upper, 1 lower
+ * Convert string-number to ordinal string-number
+ * type --> 0 upper, 1 lower
* ----------
*/
static char *
str_numth(char *dest, char *num, int type)
{
sprintf(dest, "%s%s", num, get_th(num, type));
- return dest;
+ return dest;
}
/* ----------
- * Return length of integer writed in string
+ * Return length of integer writed in string
* ----------
*/
-static int
+static int
int4len(int4 num)
{
- char b[16];
- return sprintf(b, "%d", num);
+ char b[16];
+
+ return sprintf(b, "%d", num);
}
/* ----------
*/
static char *
str_toupper(char *buff)
-{
- char *p_buff=buff;
+{
+ char *p_buff = buff;
- while (*p_buff) {
+ while (*p_buff)
+ {
*p_buff = toupper((unsigned char) *p_buff);
++p_buff;
}
*/
static char *
str_tolower(char *buff)
-{
- char *p_buff=buff;
+{
+ char *p_buff = buff;
- while (*p_buff) {
+ while (*p_buff)
+ {
*p_buff = tolower((unsigned char) *p_buff);
++p_buff;
}
}
/* ----------
- * Check if in string is AC or BC (return: 0==none; -1==BC; 1==AC)
+ * Check if in string is AC or BC (return: 0==none; -1==BC; 1==AC)
* ----------
*/
/************* not used - use AD/BC format pictures instead **********
-static int
+static int
is_acdc(char *str, int *len)
{
char *p;
-
+
for(p=str; *p != '\0'; p++) {
if (isspace(*p))
continue;
-
- if (*(p+1)) {
+
+ if (*(p+1)) {
if (toupper(*p)=='B' && toupper(*(++p))=='C') {
- *len += (p - str) +1;
- return -1;
+ *len += (p - str) +1;
+ return -1;
} else if (toupper(*p)=='A' && toupper(*(++p))=='C') {
- *len += (p - str) +1;
- return 1;
- }
- }
- return 0;
+ *len += (p - str) +1;
+ return 1;
+ }
+ }
+ return 0;
}
return 0;
-}
+}
******************************/
-
+
/* ----------
* Sequential search with to upper/lower conversion
* ----------
*/
-static int
+static int
seq_search(char *name, char **array, int type, int max, int *len)
{
- char *p, *n, **a;
- int last, i;
-
+ char *p,
+ *n,
+ **a;
+ int last,
+ i;
+
*len = 0;
-
- if (!*name)
+
+ if (!*name)
return -1;
-
- /* set first char */
- if (type == ONE_UPPER || ALL_UPPER)
+
+ /* set first char */
+ if (type == ONE_UPPER || ALL_UPPER)
*name = toupper((unsigned char) *name);
else if (type == ALL_LOWER)
*name = tolower((unsigned char) *name);
-
- for(last=0, a=array; *a != NULL; a++) {
-
+
+ for (last = 0, a = array; *a != NULL; a++)
+ {
+
/* comperate first chars */
if (*name != **a)
continue;
-
- for(i=1, p=*a+1, n=name+1; ; n++, p++, i++) {
-
+
+ for (i = 1, p = *a + 1, n = name + 1;; n++, p++, i++)
+ {
+
/* search fragment (max) only */
- if (max && i == max) {
+ if (max && i == max)
+ {
*len = i;
return a - array;
- }
+ }
/* full size */
- if (*p=='\0') {
+ if (*p == '\0')
+ {
*len = i;
return a - array;
}
/* Not found in array 'a' */
- if (*n=='\0')
+ if (*n == '\0')
break;
-
- /*
+
+ /*
* Convert (but convert new chars only)
*/
- if (i > last) {
- if (type == ONE_UPPER || type == ALL_LOWER)
+ if (i > last)
+ {
+ if (type == ONE_UPPER || type == ALL_LOWER)
*n = tolower((unsigned char) *n);
- else if (type == ALL_UPPER)
+ else if (type == ALL_UPPER)
*n = toupper((unsigned char) *n);
- last=i;
+ last = i;
}
-#ifdef DEBUG_TO_FROM_CHAR
- /* elog(DEBUG_elog_output, "N: %c, P: %c, A: %s (%s)", *n, *p, *a, name);*/
-#endif
+#ifdef DEBUG_TO_FROM_CHAR
+
+ /*
+ * elog(DEBUG_elog_output, "N: %c, P: %c, A: %s (%s)", *n, *p,
+ * *a, name);
+ */
+#endif
if (*n != *p)
- break;
- }
+ break;
+ }
}
-
- return -1;
+
+ return -1;
}
#ifdef DEBUG_TO_FROM_CHAR
/* -----------
- * DEBUG: Call for debug and for index checking; (Show ASCII char
- * and defined keyword for each used position
+ * DEBUG: Call for debug and for index checking; (Show ASCII char
+ * and defined keyword for each used position
* ----------
- */
-static void
+ */
+static void
dump_index(KeyWord *k, int *index)
{
- int i, count=0, free_i=0;
-
+ int i,
+ count = 0,
+ free_i = 0;
+
elog(DEBUG_elog_output, "TO-FROM_CHAR: Dump KeyWord Index:");
-
- for(i=0; i < KeyWord_INDEX_SIZE; i++) {
- if (index[i] != -1) {
- elog(DEBUG_elog_output, "\t%c: %s, ", i+32, k[ index[i] ].name);
+
+ for (i = 0; i < KeyWord_INDEX_SIZE; i++)
+ {
+ if (index[i] != -1)
+ {
+ elog(DEBUG_elog_output, "\t%c: %s, ", i + 32, k[index[i]].name);
count++;
- } else {
- free_i++;
- elog(DEBUG_elog_output, "\t(%d) %c %d", i, i+32, index[i]);
}
- }
+ else
+ {
+ free_i++;
+ elog(DEBUG_elog_output, "\t(%d) %c %d", i, i + 32, index[i]);
+ }
+ }
elog(DEBUG_elog_output, "\n\t\tUsed positions: %d,\n\t\tFree positions: %d",
- count, free_i);
+ count, free_i);
}
+
#endif
/* ----------
* Skip TM / th in FROM_CHAR
* ----------
*/
-#define SKIP_THth(_suf) (S_THth(_suf) ? 2 : 0)
+#define SKIP_THth(_suf) (S_THth(_suf) ? 2 : 0)
/* ----------
* ----------
*/
static int
-dch_global(int arg, char *inout, int suf, int flag, FormatNode *node)
+dch_global(int arg, char *inout, int suf, int flag, FormatNode *node)
{
- switch(arg) {
-
- case DCH_FX:
- DCH_global_flag |= DCH_F_FX;
- break;
+ switch (arg)
+ {
+
+ case DCH_FX:
+ DCH_global_flag |= DCH_F_FX;
+ break;
}
return -1;
}
/* ----------
- * Master function of TIME for:
- * TO_CHAR - write (inout) formated string
- * FROM_CHAR - scan (inout) string by course of FormatNode
+ * Master function of TIME for:
+ * TO_CHAR - write (inout) formated string
+ * FROM_CHAR - scan (inout) string by course of FormatNode
* ----------
*/
-static int
-dch_time(int arg, char *inout, int suf, int flag, FormatNode *node)
+static int
+dch_time(int arg, char *inout, int suf, int flag, FormatNode *node)
{
- char *p_inout = inout;
-
- switch(arg) {
-
- case DCH_A_M:
- case DCH_P_M:
- if (flag == TO_CHAR) {
- strcpy(inout, (tm->tm_hour > 13 ? P_M_STR : A_M_STR ));
- return 3;
-
- } else if (flag == FROM_CHAR) {
- if (strncmp(inout, P_M_STR, 4)==0 && tm->tm_hour < 13)
- tm->tm_hour += 12;
- return 3;
- }
-
- case DCH_AM:
- case DCH_PM:
- if (flag == TO_CHAR) {
- strcpy(inout, (tm->tm_hour > 13 ? PM_STR : AM_STR ));
- return 1;
-
- } else if (flag == FROM_CHAR) {
- if (strncmp(inout, PM_STR, 2)==0 && tm->tm_hour < 13)
- tm->tm_hour += 12;
- return 1;
- }
-
- case DCH_a_m:
- case DCH_p_m:
- if (flag == TO_CHAR) {
- strcpy(inout, (tm->tm_hour > 13 ? p_m_STR : a_m_STR ));
- return 3;
-
- } else if (flag == FROM_CHAR) {
- if (strncmp(inout, p_m_STR, 4)==0 && tm->tm_hour < 13)
- tm->tm_hour += 12;
- return 3;
- }
-
- case DCH_am:
- case DCH_pm:
- if (flag == TO_CHAR) {
- strcpy(inout, (tm->tm_hour > 13 ? pm_STR : am_STR ));
- return 1;
-
- } else if (flag == FROM_CHAR) {
- if (strncmp(inout, pm_STR, 2)==0 && tm->tm_hour < 13)
- tm->tm_hour += 12;
- return 1;
- }
-
- case DCH_HH:
- case DCH_HH12:
- if (flag == TO_CHAR) {
- sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2,
- tm->tm_hour==0 ? 12 :
- tm->tm_hour <13 ? tm->tm_hour : tm->tm_hour-12);
- if (S_THth(suf))
- str_numth(p_inout, inout, 0);
- if (S_FM(suf) || S_THth(suf))
- return strlen(p_inout)-1;
- else
- return 1;
-
- } else if (flag == FROM_CHAR) {
- if (S_FM(suf)) {
- sscanf(inout, "%d", &tm->tm_hour);
- return int4len((int4) tm->tm_hour)-1 + SKIP_THth(suf);
- } else {
- sscanf(inout, "%02d", &tm->tm_hour);
- return 1 + SKIP_THth(suf);
+ char *p_inout = inout;
+
+ switch (arg)
+ {
+
+ case DCH_A_M:
+ case DCH_P_M:
+ if (flag == TO_CHAR)
+ {
+ strcpy(inout, (tm->tm_hour > 13 ? P_M_STR : A_M_STR));
+ return 3;
+
+ }
+ else if (flag == FROM_CHAR)
+ {
+ if (strncmp(inout, P_M_STR, 4) == 0 && tm->tm_hour < 13)
+ tm->tm_hour += 12;
+ return 3;
}
- }
- case DCH_HH24:
- if (flag == TO_CHAR) {
- sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2, tm->tm_hour);
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- if (S_FM(suf) || S_THth(suf))
- return strlen(p_inout) -1;
- else
+ case DCH_AM:
+ case DCH_PM:
+ if (flag == TO_CHAR)
+ {
+ strcpy(inout, (tm->tm_hour > 13 ? PM_STR : AM_STR));
return 1;
-
- } else if (flag == FROM_CHAR) {
- if (S_FM(suf)) {
- sscanf(inout, "%d", &tm->tm_hour);
- return int4len((int4) tm->tm_hour)-1 + SKIP_THth(suf);
- } else {
- sscanf(inout, "%02d", &tm->tm_hour);
- return 1 + SKIP_THth(suf);
+
}
- }
-
- case DCH_MI:
- if (flag == TO_CHAR) {
- sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2, tm->tm_min);
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- if (S_FM(suf) || S_THth(suf))
- return strlen(p_inout)-1;
- else
+ else if (flag == FROM_CHAR)
+ {
+ if (strncmp(inout, PM_STR, 2) == 0 && tm->tm_hour < 13)
+ tm->tm_hour += 12;
return 1;
-
- } else if (flag == FROM_CHAR) {
- if (S_FM(suf)) {
- sscanf(inout, "%d", &tm->tm_min);
- return int4len((int4) tm->tm_min)-1 + SKIP_THth(suf);
- } else {
- sscanf(inout, "%02d", &tm->tm_min);
- return 1 + SKIP_THth(suf);
}
- }
- case DCH_SS:
- if (flag == TO_CHAR) {
- sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2, tm->tm_sec);
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- if (S_FM(suf) || S_THth(suf))
- return strlen(p_inout) -1;
- else
+
+ case DCH_a_m:
+ case DCH_p_m:
+ if (flag == TO_CHAR)
+ {
+ strcpy(inout, (tm->tm_hour > 13 ? p_m_STR : a_m_STR));
+ return 3;
+
+ }
+ else if (flag == FROM_CHAR)
+ {
+ if (strncmp(inout, p_m_STR, 4) == 0 && tm->tm_hour < 13)
+ tm->tm_hour += 12;
+ return 3;
+ }
+
+ case DCH_am:
+ case DCH_pm:
+ if (flag == TO_CHAR)
+ {
+ strcpy(inout, (tm->tm_hour > 13 ? pm_STR : am_STR));
return 1;
-
- } else if (flag == FROM_CHAR) {
- if (S_FM(suf)) {
- sscanf(inout, "%d", &tm->tm_sec);
- return int4len((int4) tm->tm_sec)-1 + SKIP_THth(suf);
- } else {
- sscanf(inout, "%02d", &tm->tm_sec);
- return 1 + SKIP_THth(suf);
+
}
- }
- case DCH_SSSS:
- if (flag == TO_CHAR) {
- sprintf(inout, "%d", tm->tm_hour * 3600 +
- tm->tm_min * 60 +
- tm->tm_sec);
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout)-1;
- } else if (flag == FROM_CHAR)
- elog(ERROR, "to_timestamp(): SSSS is not supported");
- }
- return -1;
+ else if (flag == FROM_CHAR)
+ {
+ if (strncmp(inout, pm_STR, 2) == 0 && tm->tm_hour < 13)
+ tm->tm_hour += 12;
+ return 1;
+ }
+
+ case DCH_HH:
+ case DCH_HH12:
+ if (flag == TO_CHAR)
+ {
+ sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2,
+ tm->tm_hour == 0 ? 12 :
+ tm->tm_hour < 13 ? tm->tm_hour : tm->tm_hour - 12);
+ if (S_THth(suf))
+ str_numth(p_inout, inout, 0);
+ if (S_FM(suf) || S_THth(suf))
+ return strlen(p_inout) - 1;
+ else
+ return 1;
+
+ }
+ else if (flag == FROM_CHAR)
+ {
+ if (S_FM(suf))
+ {
+ sscanf(inout, "%d", &tm->tm_hour);
+ return int4len((int4) tm->tm_hour) - 1 + SKIP_THth(suf);
+ }
+ else
+ {
+ sscanf(inout, "%02d", &tm->tm_hour);
+ return 1 + SKIP_THth(suf);
+ }
+ }
+
+ case DCH_HH24:
+ if (flag == TO_CHAR)
+ {
+ sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2, tm->tm_hour);
+ if (S_THth(suf))
+ str_numth(p_inout, inout, S_TH_TYPE(suf));
+ if (S_FM(suf) || S_THth(suf))
+ return strlen(p_inout) - 1;
+ else
+ return 1;
+
+ }
+ else if (flag == FROM_CHAR)
+ {
+ if (S_FM(suf))
+ {
+ sscanf(inout, "%d", &tm->tm_hour);
+ return int4len((int4) tm->tm_hour) - 1 + SKIP_THth(suf);
+ }
+ else
+ {
+ sscanf(inout, "%02d", &tm->tm_hour);
+ return 1 + SKIP_THth(suf);
+ }
+ }
+
+ case DCH_MI:
+ if (flag == TO_CHAR)
+ {
+ sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2, tm->tm_min);
+ if (S_THth(suf))
+ str_numth(p_inout, inout, S_TH_TYPE(suf));
+ if (S_FM(suf) || S_THth(suf))
+ return strlen(p_inout) - 1;
+ else
+ return 1;
+
+ }
+ else if (flag == FROM_CHAR)
+ {
+ if (S_FM(suf))
+ {
+ sscanf(inout, "%d", &tm->tm_min);
+ return int4len((int4) tm->tm_min) - 1 + SKIP_THth(suf);
+ }
+ else
+ {
+ sscanf(inout, "%02d", &tm->tm_min);
+ return 1 + SKIP_THth(suf);
+ }
+ }
+ case DCH_SS:
+ if (flag == TO_CHAR)
+ {
+ sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2, tm->tm_sec);
+ if (S_THth(suf))
+ str_numth(p_inout, inout, S_TH_TYPE(suf));
+ if (S_FM(suf) || S_THth(suf))
+ return strlen(p_inout) - 1;
+ else
+ return 1;
+
+ }
+ else if (flag == FROM_CHAR)
+ {
+ if (S_FM(suf))
+ {
+ sscanf(inout, "%d", &tm->tm_sec);
+ return int4len((int4) tm->tm_sec) - 1 + SKIP_THth(suf);
+ }
+ else
+ {
+ sscanf(inout, "%02d", &tm->tm_sec);
+ return 1 + SKIP_THth(suf);
+ }
+ }
+ case DCH_SSSS:
+ if (flag == TO_CHAR)
+ {
+ sprintf(inout, "%d", tm->tm_hour * 3600 +
+ tm->tm_min * 60 +
+ tm->tm_sec);
+ if (S_THth(suf))
+ str_numth(p_inout, inout, S_TH_TYPE(suf));
+ return strlen(p_inout) - 1;
+ }
+ else if (flag == FROM_CHAR)
+ elog(ERROR, "to_timestamp(): SSSS is not supported");
+ }
+ return -1;
}
#define CHECK_SEQ_SEARCH(_l, _s) { \
- if (_l <= 0) { \
+ if (_l <= 0) { \
elog(ERROR, "to_timestamp(): bad value for %s", _s); \
} \
}
/* ----------
* Master of DATE for:
- * TO_CHAR - write (inout) formated string
- * FROM_CHAR - scan (inout) string by course of FormatNode
+ * TO_CHAR - write (inout) formated string
+ * FROM_CHAR - scan (inout) string by course of FormatNode
* ----------
*/
-static int
+static int
dch_date(int arg, char *inout, int suf, int flag, FormatNode *node)
{
- char buff[ DCH_CACHE_SIZE ],
- *p_inout;
- int i, len;
+ char buff[DCH_CACHE_SIZE],
+ *p_inout;
+ int i,
+ len;
p_inout = inout;
/* ----------
- * In the FROM-char is not difference between "January" or "JANUARY"
- * or "january", all is before search convert to "first-upper".
+ * In the FROM-char is not difference between "January" or "JANUARY"
+ * or "january", all is before search convert to "first-upper".
* This convention is used for MONTH, MON, DAY, DY
* ----------
*/
- if (flag == FROM_CHAR) {
- if (arg == DCH_MONTH || arg == DCH_Month || arg == DCH_month) {
-
+ if (flag == FROM_CHAR)
+ {
+ if (arg == DCH_MONTH || arg == DCH_Month || arg == DCH_month)
+ {
+
tm->tm_mon = seq_search(inout, months_full, ONE_UPPER, FULL_SIZ, &len);
CHECK_SEQ_SEARCH(len, "MONTH/Month/month");
++tm->tm_mon;
- if (S_FM(suf)) return len-1;
- else return 8;
+ if (S_FM(suf))
+ return len - 1;
+ else
+ return 8;
+
+ }
+ else if (arg == DCH_MON || arg == DCH_Mon || arg == DCH_mon)
+ {
- } else if (arg == DCH_MON || arg == DCH_Mon || arg == DCH_mon) {
-
tm->tm_mon = seq_search(inout, months, ONE_UPPER, MAX_MON_LEN, &len);
CHECK_SEQ_SEARCH(len, "MON/Mon/mon");
++tm->tm_mon;
return 2;
-
- } else if (arg == DCH_DAY || arg == DCH_Day || arg == DCH_day) {
-
- tm->tm_wday = seq_search(inout, days, ONE_UPPER, FULL_SIZ, &len);
+
+ }
+ else if (arg == DCH_DAY || arg == DCH_Day || arg == DCH_day)
+ {
+
+ tm->tm_wday = seq_search(inout, days, ONE_UPPER, FULL_SIZ, &len);
CHECK_SEQ_SEARCH(len, "DAY/Day/day");
- if (S_FM(suf)) return len-1;
- else return 8;
-
- } else if (arg == DCH_DY || arg == DCH_Dy || arg == DCH_dy) {
-
- tm->tm_wday = seq_search(inout, days, ONE_UPPER, MAX_DY_LEN, &len);
+ if (S_FM(suf))
+ return len - 1;
+ else
+ return 8;
+
+ }
+ else if (arg == DCH_DY || arg == DCH_Dy || arg == DCH_dy)
+ {
+
+ tm->tm_wday = seq_search(inout, days, ONE_UPPER, MAX_DY_LEN, &len);
CHECK_SEQ_SEARCH(len, "DY/Dy/dy");
return 2;
-
- }
- }
-
- switch(arg) {
-
- case DCH_A_D:
- case DCH_B_C:
- if (flag == TO_CHAR) {
- strcpy(inout, (tm->tm_year < 0 ? B_C_STR : A_D_STR ));
- return 3;
-
- } else if (flag == FROM_CHAR) {
- if (strncmp(inout, B_C_STR, 4)==0 && tm->tm_year > 0)
- tm->tm_year = -(tm->tm_year);
- if (tm->tm_year < 0)
- tm->tm_year = tm->tm_year+1;
- return 3;
- }
-
- case DCH_AD:
- case DCH_BC:
- if (flag == TO_CHAR) {
- strcpy(inout, (tm->tm_year < 0 ? BC_STR : AD_STR ));
- return 1;
-
- } else if (flag == FROM_CHAR) {
- if (strncmp(inout, BC_STR, 2)==0 && tm->tm_year > 0)
- tm->tm_year = -(tm->tm_year);
- if (tm->tm_year < 0)
- tm->tm_year = tm->tm_year+1;
- return 1;
- }
-
- case DCH_a_d:
- case DCH_b_c:
- if (flag == TO_CHAR) {
- strcpy(inout, (tm->tm_year < 0 ? b_c_STR : a_d_STR ));
- return 3;
-
- } else if (flag == FROM_CHAR) {
- if (strncmp(inout, b_c_STR, 4)==0 && tm->tm_year > 0)
- tm->tm_year = -(tm->tm_year);
- if (tm->tm_year < 0)
- tm->tm_year = tm->tm_year+1;
- return 3;
- }
-
- case DCH_ad:
- case DCH_bc:
- if (flag == TO_CHAR) {
- strcpy(inout, (tm->tm_year < 0 ? bc_STR : ad_STR ));
- return 1;
-
- } else if (flag == FROM_CHAR) {
- if (strncmp(inout, bc_STR, 2)==0 && tm->tm_year > 0)
- tm->tm_year = -(tm->tm_year);
- if (tm->tm_year < 0)
- tm->tm_year = tm->tm_year+1;
- return 1;
- }
-
- case DCH_MONTH:
- strcpy(inout, months_full[ tm->tm_mon - 1]);
- sprintf(inout, "%*s", S_FM(suf) ? 0 : -9, str_toupper(inout));
- if (S_FM(suf))
- return strlen(p_inout)-1;
- else
- return 8;
-
- case DCH_Month:
- sprintf(inout, "%*s", S_FM(suf) ? 0 : -9, months_full[ tm->tm_mon -1 ]);
- if (S_FM(suf))
- return strlen(p_inout)-1;
- else
- return 8;
-
- case DCH_month:
- sprintf(inout, "%*s", S_FM(suf) ? 0 : -9, months_full[ tm->tm_mon -1 ]);
- *inout = tolower(*inout);
- if (S_FM(suf))
- return strlen(p_inout)-1;
- else
- return 8;
-
- case DCH_MON:
- strcpy(inout, months[ tm->tm_mon -1 ]);
- inout = str_toupper(inout);
- return 2;
-
- case DCH_Mon:
- strcpy(inout, months[ tm->tm_mon -1 ]);
- return 2;
-
- case DCH_mon:
- strcpy(inout, months[ tm->tm_mon -1 ]);
- *inout = tolower(*inout);
- return 2;
-
- case DCH_MM:
- if (flag == TO_CHAR) {
- sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2, tm->tm_mon );
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- if (S_FM(suf) || S_THth(suf))
- return strlen(p_inout)-1;
- else
- return 1;
-
- } else if (flag == FROM_CHAR) {
- if (S_FM(suf)) {
- sscanf(inout, "%d", &tm->tm_mon);
- return int4len((int4) tm->tm_mon)-1 + SKIP_THth(suf);
- } else {
- sscanf(inout, "%02d", &tm->tm_mon);
- return 1 + SKIP_THth(suf);
- }
- }
-
- case DCH_DAY:
- strcpy(inout, days[ tm->tm_wday ]);
- sprintf(inout, "%*s", S_FM(suf) ? 0 : -9, str_toupper(inout));
- if (S_FM(suf))
- return strlen(p_inout)-1;
- else
- return 8;
-
- case DCH_Day:
- sprintf(inout, "%*s", S_FM(suf) ? 0 : -9, days[ tm->tm_wday]);
- if (S_FM(suf))
- return strlen(p_inout)-1;
- else
- return 8;
-
- case DCH_day:
- sprintf(inout, "%*s", S_FM(suf) ? 0 : -9, days[ tm->tm_wday]);
- *inout = tolower(*inout);
- if (S_FM(suf))
- return strlen(p_inout)-1;
- else
- return 8;
-
- case DCH_DY:
- strcpy(inout, days[ tm->tm_wday]);
- inout = str_toupper(inout);
- return 2;
-
- case DCH_Dy:
- strcpy(inout, days[ tm->tm_wday]);
- return 2;
-
- case DCH_dy:
- strcpy(inout, days[ tm->tm_wday]);
- *inout = tolower(*inout);
- return 2;
-
- case DCH_DDD:
- if (flag == TO_CHAR) {
- sprintf(inout, "%0*d", S_FM(suf) ? 0 : 3, tm->tm_yday);
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- if (S_FM(suf) || S_THth(suf))
- return strlen(p_inout)-1;
- else return 2;
-
- } else if (flag == FROM_CHAR) {
- if (S_FM(suf)) {
- sscanf(inout, "%d", &tm->tm_yday);
- return int4len((int4) tm->tm_yday)-1 + SKIP_THth(suf);
- } else {
- sscanf(inout, "%03d", &tm->tm_yday);
- return 2 + SKIP_THth(suf);
- }
- }
-
- case DCH_DD:
- if (flag == TO_CHAR) {
- sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2, tm->tm_mday);
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- if (S_FM(suf) || S_THth(suf))
- return strlen(p_inout)-1;
- else
+
+ }
+ }
+
+ switch (arg)
+ {
+
+ case DCH_A_D:
+ case DCH_B_C:
+ if (flag == TO_CHAR)
+ {
+ strcpy(inout, (tm->tm_year < 0 ? B_C_STR : A_D_STR));
+ return 3;
+
+ }
+ else if (flag == FROM_CHAR)
+ {
+ if (strncmp(inout, B_C_STR, 4) == 0 && tm->tm_year > 0)
+ tm->tm_year = -(tm->tm_year);
+ if (tm->tm_year < 0)
+ tm->tm_year = tm->tm_year + 1;
+ return 3;
+ }
+
+ case DCH_AD:
+ case DCH_BC:
+ if (flag == TO_CHAR)
+ {
+ strcpy(inout, (tm->tm_year < 0 ? BC_STR : AD_STR));
return 1;
-
- } else if (flag == FROM_CHAR) {
- if (S_FM(suf)) {
- sscanf(inout, "%d", &tm->tm_mday);
- return int4len((int4) tm->tm_mday)-1 + SKIP_THth(suf);
- } else {
- sscanf(inout, "%02d", &tm->tm_mday);
- return 1 + SKIP_THth(suf);
- }
- }
- case DCH_D:
- if (flag == TO_CHAR) {
- sprintf(inout, "%d", tm->tm_wday+1);
- if (S_THth(suf)) {
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return 2;
- }
- return 0;
- } else if (flag == FROM_CHAR) {
- sscanf(inout, "%1d", &tm->tm_wday);
- if(tm->tm_wday) --tm->tm_wday;
- return 0 + SKIP_THth(suf);
- }
-
- case DCH_WW:
- if (flag == TO_CHAR) {
- sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2,
- (tm->tm_yday - tm->tm_wday + 7) / 7);
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- if (S_FM(suf) || S_THth(suf))
- return strlen(p_inout)-1;
- else
+
+ }
+ else if (flag == FROM_CHAR)
+ {
+ if (strncmp(inout, BC_STR, 2) == 0 && tm->tm_year > 0)
+ tm->tm_year = -(tm->tm_year);
+ if (tm->tm_year < 0)
+ tm->tm_year = tm->tm_year + 1;
return 1;
-
- } else if (flag == FROM_CHAR)
- elog(ERROR, "to_datatime(): WW is not supported");
- case DCH_Q:
- if (flag == TO_CHAR) {
- sprintf(inout, "%d", (tm->tm_mon-1)/3+1);
- if (S_THth(suf)) {
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return 2;
- }
- return 0;
-
- } else if (flag == FROM_CHAR)
- elog(ERROR, "to_datatime(): Q is not supported");
-
- case DCH_CC:
- if (flag == TO_CHAR) {
- i = tm->tm_year/100 +1;
- if (i <= 99 && i >= -99)
- sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2, i);
- else
- sprintf(inout, "%d", i);
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout)-1;
-
- } else if (flag == FROM_CHAR)
- elog(ERROR, "to_datatime(): CC is not supported");
- case DCH_Y_YYY:
- if (flag == TO_CHAR) {
- i= YEAR_ABS(tm->tm_year) / 1000;
- sprintf(inout, "%d,%03d", i, YEAR_ABS(tm->tm_year) -(i*1000));
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- /*
- if (tm->tm_year < 0)
- strcat(inout, BC_STR_ORIG);
- */
- return strlen(p_inout)-1;
-
- } else if (flag == FROM_CHAR) {
- int cc, yy;
- sscanf(inout, "%d,%03d", &cc, &yy);
- tm->tm_year = (cc * 1000) + yy;
-
- if (!S_FM(suf) && tm->tm_year <= 9999 && tm->tm_year >= -9999)
- len = 5;
- else
- len = int4len((int4) tm->tm_year)+1;
- len += SKIP_THth(suf);
- /* AC/BC
- if (is_acdc(inout+len, &len) < 0 && tm->tm_year > 0)
- tm->tm_year = -(tm->tm_year);
- if (tm->tm_year < 0)
- tm->tm_year = tm->tm_year+1;
- */
- return len-1;
- }
-
- case DCH_YYYY :
- if (flag == TO_CHAR) {
- if (tm->tm_year <= 9999 && tm->tm_year >= -9998)
- sprintf(inout, "%0*d", S_FM(suf) ? 0 : 4, YEAR_ABS(tm->tm_year));
- else
- sprintf(inout, "%d", YEAR_ABS(tm->tm_year));
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- /*
- if (tm->tm_year < 0)
- strcat(inout, BC_STR_ORIG);
- */
- return strlen(p_inout)-1;
-
- } else if (flag == FROM_CHAR) {
- sscanf(inout, "%d", &tm->tm_year);
- if (!S_FM(suf) && tm->tm_year <= 9999 && tm->tm_year >= -9999)
- len = 4;
- else
- len = int4len((int4) tm->tm_year);
- len += SKIP_THth(suf);
- /* AC/BC
- if (is_acdc(inout+len, &len) < 0 && tm->tm_year > 0)
- tm->tm_year = -(tm->tm_year);
- if (tm->tm_year < 0)
- tm->tm_year = tm->tm_year+1;
- */
- return len-1;
- }
-
- case DCH_YYY:
- if (flag == TO_CHAR) {
- sprintf(buff, "%03d", YEAR_ABS(tm->tm_year));
- i=strlen(buff);
- strcpy(inout, buff+(i-3));
- if (S_THth(suf)) {
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return 4;
}
- return 2;
-
- } else if (flag == FROM_CHAR) {
- int yy;
- sscanf(inout, "%03d", &yy);
- tm->tm_year = (tm->tm_year/1000)*1000 +yy;
- return 2 + SKIP_THth(suf);
- }
-
- case DCH_YY:
- if (flag == TO_CHAR) {
- sprintf(buff, "%02d", YEAR_ABS(tm->tm_year));
- i=strlen(buff);
- strcpy(inout, buff+(i-2));
- if (S_THth(suf)) {
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return 3;
- }
- return 1;
-
- } else if (flag == FROM_CHAR) {
- int yy;
- sscanf(inout, "%02d", &yy);
- tm->tm_year = (tm->tm_year/100)*100 +yy;
- return 1 + SKIP_THth(suf);
- }
-
- case DCH_Y:
- if (flag == TO_CHAR) {
- sprintf(buff, "%1d", YEAR_ABS(tm->tm_year));
- i=strlen(buff);
- strcpy(inout, buff+(i-1));
- if (S_THth(suf)) {
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return 2;
- }
- return 0;
-
- } else if (flag == FROM_CHAR) {
- int yy;
- sscanf(inout, "%1d", &yy);
- tm->tm_year = (tm->tm_year/10)*10 +yy;
- return 0 + SKIP_THth(suf);
- }
-
- case DCH_RM:
- if (flag == TO_CHAR) {
- sprintf(inout, "%*s", S_FM(suf) ? 0 : -4,
- rm_months_upper[ 12 - tm->tm_mon ]);
- if (S_FM(suf))
- return strlen(p_inout)-1;
- else
- return 3;
-
- } else if (flag == FROM_CHAR) {
- tm->tm_mon = 11-seq_search(inout, rm_months_upper, ALL_UPPER, FULL_SIZ, &len);
- CHECK_SEQ_SEARCH(len, "RM");
- ++tm->tm_mon;
- if (S_FM(suf))
- return len-1;
- else
- return 3;
- }
-
- case DCH_rm:
- if (flag == TO_CHAR) {
- sprintf(inout, "%*s", S_FM(suf) ? 0 : -4,
- rm_months_lower[ 12 - tm->tm_mon ]);
- if (S_FM(suf))
- return strlen(p_inout)-1;
- else
+
+ case DCH_a_d:
+ case DCH_b_c:
+ if (flag == TO_CHAR)
+ {
+ strcpy(inout, (tm->tm_year < 0 ? b_c_STR : a_d_STR));
return 3;
-
- } else if (flag == FROM_CHAR) {
- tm->tm_mon = 11-seq_search(inout, rm_months_lower, ALL_UPPER, FULL_SIZ, &len);
- CHECK_SEQ_SEARCH(len, "rm");
- ++tm->tm_mon;
- if (S_FM(suf))
- return len-1;
- else
+
+ }
+ else if (flag == FROM_CHAR)
+ {
+ if (strncmp(inout, b_c_STR, 4) == 0 && tm->tm_year > 0)
+ tm->tm_year = -(tm->tm_year);
+ if (tm->tm_year < 0)
+ tm->tm_year = tm->tm_year + 1;
return 3;
- }
-
- case DCH_W:
- if (flag == TO_CHAR) {
- sprintf(inout, "%d", (tm->tm_mday - tm->tm_wday +7) / 7 );
- if (S_THth(suf)) {
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return 2;
}
- return 0;
-
- } else if (flag == FROM_CHAR)
- elog(ERROR, "to_datatime(): W is not supported");
-
- case DCH_J:
- if (flag == TO_CHAR) {
- sprintf(inout, "%d", date2j(tm->tm_year, tm->tm_mon, tm->tm_mday));
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout)-1;
- } else if (flag == FROM_CHAR)
- elog(ERROR, "to_datatime(): J is not supported");
- }
- return -1;
-}
+
+ case DCH_ad:
+ case DCH_bc:
+ if (flag == TO_CHAR)
+ {
+ strcpy(inout, (tm->tm_year < 0 ? bc_STR : ad_STR));
+ return 1;
+
+ }
+ else if (flag == FROM_CHAR)
+ {
+ if (strncmp(inout, bc_STR, 2) == 0 && tm->tm_year > 0)
+ tm->tm_year = -(tm->tm_year);
+ if (tm->tm_year < 0)
+ tm->tm_year = tm->tm_year + 1;
+ return 1;
+ }
+
+ case DCH_MONTH:
+ strcpy(inout, months_full[tm->tm_mon - 1]);
+ sprintf(inout, "%*s", S_FM(suf) ? 0 : -9, str_toupper(inout));
+ if (S_FM(suf))
+ return strlen(p_inout) - 1;
+ else
+ return 8;
+
+ case DCH_Month:
+ sprintf(inout, "%*s", S_FM(suf) ? 0 : -9, months_full[tm->tm_mon - 1]);
+ if (S_FM(suf))
+ return strlen(p_inout) - 1;
+ else
+ return 8;
+
+ case DCH_month:
+ sprintf(inout, "%*s", S_FM(suf) ? 0 : -9, months_full[tm->tm_mon - 1]);
+ *inout = tolower(*inout);
+ if (S_FM(suf))
+ return strlen(p_inout) - 1;
+ else
+ return 8;
+
+ case DCH_MON:
+ strcpy(inout, months[tm->tm_mon - 1]);
+ inout = str_toupper(inout);
+ return 2;
+
+ case DCH_Mon:
+ strcpy(inout, months[tm->tm_mon - 1]);
+ return 2;
+
+ case DCH_mon:
+ strcpy(inout, months[tm->tm_mon - 1]);
+ *inout = tolower(*inout);
+ return 2;
+
+ case DCH_MM:
+ if (flag == TO_CHAR)
+ {
+ sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2, tm->tm_mon);
+ if (S_THth(suf))
+ str_numth(p_inout, inout, S_TH_TYPE(suf));
+ if (S_FM(suf) || S_THth(suf))
+ return strlen(p_inout) - 1;
+ else
+ return 1;
+
+ }
+ else if (flag == FROM_CHAR)
+ {
+ if (S_FM(suf))
+ {
+ sscanf(inout, "%d", &tm->tm_mon);
+ return int4len((int4) tm->tm_mon) - 1 + SKIP_THth(suf);
+ }
+ else
+ {
+ sscanf(inout, "%02d", &tm->tm_mon);
+ return 1 + SKIP_THth(suf);
+ }
+ }
+
+ case DCH_DAY:
+ strcpy(inout, days[tm->tm_wday]);
+ sprintf(inout, "%*s", S_FM(suf) ? 0 : -9, str_toupper(inout));
+ if (S_FM(suf))
+ return strlen(p_inout) - 1;
+ else
+ return 8;
+
+ case DCH_Day:
+ sprintf(inout, "%*s", S_FM(suf) ? 0 : -9, days[tm->tm_wday]);
+ if (S_FM(suf))
+ return strlen(p_inout) - 1;
+ else
+ return 8;
+
+ case DCH_day:
+ sprintf(inout, "%*s", S_FM(suf) ? 0 : -9, days[tm->tm_wday]);
+ *inout = tolower(*inout);
+ if (S_FM(suf))
+ return strlen(p_inout) - 1;
+ else
+ return 8;
+
+ case DCH_DY:
+ strcpy(inout, days[tm->tm_wday]);
+ inout = str_toupper(inout);
+ return 2;
+
+ case DCH_Dy:
+ strcpy(inout, days[tm->tm_wday]);
+ return 2;
+
+ case DCH_dy:
+ strcpy(inout, days[tm->tm_wday]);
+ *inout = tolower(*inout);
+ return 2;
+
+ case DCH_DDD:
+ if (flag == TO_CHAR)
+ {
+ sprintf(inout, "%0*d", S_FM(suf) ? 0 : 3, tm->tm_yday);
+ if (S_THth(suf))
+ str_numth(p_inout, inout, S_TH_TYPE(suf));
+ if (S_FM(suf) || S_THth(suf))
+ return strlen(p_inout) - 1;
+ else
+ return 2;
+
+ }
+ else if (flag == FROM_CHAR)
+ {
+ if (S_FM(suf))
+ {
+ sscanf(inout, "%d", &tm->tm_yday);
+ return int4len((int4) tm->tm_yday) - 1 + SKIP_THth(suf);
+ }
+ else
+ {
+ sscanf(inout, "%03d", &tm->tm_yday);
+ return 2 + SKIP_THth(suf);
+ }
+ }
+
+ case DCH_DD:
+ if (flag == TO_CHAR)
+ {
+ sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2, tm->tm_mday);
+ if (S_THth(suf))
+ str_numth(p_inout, inout, S_TH_TYPE(suf));
+ if (S_FM(suf) || S_THth(suf))
+ return strlen(p_inout) - 1;
+ else
+ return 1;
+
+ }
+ else if (flag == FROM_CHAR)
+ {
+ if (S_FM(suf))
+ {
+ sscanf(inout, "%d", &tm->tm_mday);
+ return int4len((int4) tm->tm_mday) - 1 + SKIP_THth(suf);
+ }
+ else
+ {
+ sscanf(inout, "%02d", &tm->tm_mday);
+ return 1 + SKIP_THth(suf);
+ }
+ }
+ case DCH_D:
+ if (flag == TO_CHAR)
+ {
+ sprintf(inout, "%d", tm->tm_wday + 1);
+ if (S_THth(suf))
+ {
+ str_numth(p_inout, inout, S_TH_TYPE(suf));
+ return 2;
+ }
+ return 0;
+ }
+ else if (flag == FROM_CHAR)
+ {
+ sscanf(inout, "%1d", &tm->tm_wday);
+ if (tm->tm_wday)
+ --tm->tm_wday;
+ return 0 + SKIP_THth(suf);
+ }
+
+ case DCH_WW:
+ if (flag == TO_CHAR)
+ {
+ sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2,
+ (tm->tm_yday - tm->tm_wday + 7) / 7);
+ if (S_THth(suf))
+ str_numth(p_inout, inout, S_TH_TYPE(suf));
+ if (S_FM(suf) || S_THth(suf))
+ return strlen(p_inout) - 1;
+ else
+ return 1;
+
+ }
+ else if (flag == FROM_CHAR)
+ elog(ERROR, "to_datatime(): WW is not supported");
+ case DCH_Q:
+ if (flag == TO_CHAR)
+ {
+ sprintf(inout, "%d", (tm->tm_mon - 1) / 3 + 1);
+ if (S_THth(suf))
+ {
+ str_numth(p_inout, inout, S_TH_TYPE(suf));
+ return 2;
+ }
+ return 0;
+
+ }
+ else if (flag == FROM_CHAR)
+ elog(ERROR, "to_datatime(): Q is not supported");
+
+ case DCH_CC:
+ if (flag == TO_CHAR)
+ {
+ i = tm->tm_year / 100 + 1;
+ if (i <= 99 && i >= -99)
+ sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2, i);
+ else
+ sprintf(inout, "%d", i);
+ if (S_THth(suf))
+ str_numth(p_inout, inout, S_TH_TYPE(suf));
+ return strlen(p_inout) - 1;
+
+ }
+ else if (flag == FROM_CHAR)
+ elog(ERROR, "to_datatime(): CC is not supported");
+ case DCH_Y_YYY:
+ if (flag == TO_CHAR)
+ {
+ i = YEAR_ABS(tm->tm_year) / 1000;
+ sprintf(inout, "%d,%03d", i, YEAR_ABS(tm->tm_year) - (i * 1000));
+ if (S_THth(suf))
+ str_numth(p_inout, inout, S_TH_TYPE(suf));
+
+ /*
+ * if (tm->tm_year < 0) strcat(inout, BC_STR_ORIG);
+ */
+ return strlen(p_inout) - 1;
+
+ }
+ else if (flag == FROM_CHAR)
+ {
+ int cc,
+ yy;
+
+ sscanf(inout, "%d,%03d", &cc, &yy);
+ tm->tm_year = (cc * 1000) + yy;
+
+ if (!S_FM(suf) && tm->tm_year <= 9999 && tm->tm_year >= -9999)
+ len = 5;
+ else
+ len = int4len((int4) tm->tm_year) + 1;
+ len += SKIP_THth(suf);
+
+ /*
+ * AC/BC if (is_acdc(inout+len, &len) < 0 && tm->tm_year >
+ * 0) tm->tm_year = -(tm->tm_year); if (tm->tm_year < 0)
+ * tm->tm_year = tm->tm_year+1;
+ */
+ return len - 1;
+ }
+
+ case DCH_YYYY:
+ if (flag == TO_CHAR)
+ {
+ if (tm->tm_year <= 9999 && tm->tm_year >= -9998)
+ sprintf(inout, "%0*d", S_FM(suf) ? 0 : 4, YEAR_ABS(tm->tm_year));
+ else
+ sprintf(inout, "%d", YEAR_ABS(tm->tm_year));
+ if (S_THth(suf))
+ str_numth(p_inout, inout, S_TH_TYPE(suf));
+
+ /*
+ * if (tm->tm_year < 0) strcat(inout, BC_STR_ORIG);
+ */
+ return strlen(p_inout) - 1;
+
+ }
+ else if (flag == FROM_CHAR)
+ {
+ sscanf(inout, "%d", &tm->tm_year);
+ if (!S_FM(suf) && tm->tm_year <= 9999 && tm->tm_year >= -9999)
+ len = 4;
+ else
+ len = int4len((int4) tm->tm_year);
+ len += SKIP_THth(suf);
+
+ /*
+ * AC/BC if (is_acdc(inout+len, &len) < 0 && tm->tm_year >
+ * 0) tm->tm_year = -(tm->tm_year); if (tm->tm_year < 0)
+ * tm->tm_year = tm->tm_year+1;
+ */
+ return len - 1;
+ }
+
+ case DCH_YYY:
+ if (flag == TO_CHAR)
+ {
+ sprintf(buff, "%03d", YEAR_ABS(tm->tm_year));
+ i = strlen(buff);
+ strcpy(inout, buff + (i - 3));
+ if (S_THth(suf))
+ {
+ str_numth(p_inout, inout, S_TH_TYPE(suf));
+ return 4;
+ }
+ return 2;
+
+ }
+ else if (flag == FROM_CHAR)
+ {
+ int yy;
+
+ sscanf(inout, "%03d", &yy);
+ tm->tm_year = (tm->tm_year / 1000) * 1000 + yy;
+ return 2 + SKIP_THth(suf);
+ }
+
+ case DCH_YY:
+ if (flag == TO_CHAR)
+ {
+ sprintf(buff, "%02d", YEAR_ABS(tm->tm_year));
+ i = strlen(buff);
+ strcpy(inout, buff + (i - 2));
+ if (S_THth(suf))
+ {
+ str_numth(p_inout, inout, S_TH_TYPE(suf));
+ return 3;
+ }
+ return 1;
+
+ }
+ else if (flag == FROM_CHAR)
+ {
+ int yy;
+
+ sscanf(inout, "%02d", &yy);
+ tm->tm_year = (tm->tm_year / 100) * 100 + yy;
+ return 1 + SKIP_THth(suf);
+ }
+
+ case DCH_Y:
+ if (flag == TO_CHAR)
+ {
+ sprintf(buff, "%1d", YEAR_ABS(tm->tm_year));
+ i = strlen(buff);
+ strcpy(inout, buff + (i - 1));
+ if (S_THth(suf))
+ {
+ str_numth(p_inout, inout, S_TH_TYPE(suf));
+ return 2;
+ }
+ return 0;
+
+ }
+ else if (flag == FROM_CHAR)
+ {
+ int yy;
+
+ sscanf(inout, "%1d", &yy);
+ tm->tm_year = (tm->tm_year / 10) * 10 + yy;
+ return 0 + SKIP_THth(suf);
+ }
+
+ case DCH_RM:
+ if (flag == TO_CHAR)
+ {
+ sprintf(inout, "%*s", S_FM(suf) ? 0 : -4,
+ rm_months_upper[12 - tm->tm_mon]);
+ if (S_FM(suf))
+ return strlen(p_inout) - 1;
+ else
+ return 3;
+
+ }
+ else if (flag == FROM_CHAR)
+ {
+ tm->tm_mon = 11 - seq_search(inout, rm_months_upper, ALL_UPPER, FULL_SIZ, &len);
+ CHECK_SEQ_SEARCH(len, "RM");
+ ++tm->tm_mon;
+ if (S_FM(suf))
+ return len - 1;
+ else
+ return 3;
+ }
+
+ case DCH_rm:
+ if (flag == TO_CHAR)
+ {
+ sprintf(inout, "%*s", S_FM(suf) ? 0 : -4,
+ rm_months_lower[12 - tm->tm_mon]);
+ if (S_FM(suf))
+ return strlen(p_inout) - 1;
+ else
+ return 3;
+
+ }
+ else if (flag == FROM_CHAR)
+ {
+ tm->tm_mon = 11 - seq_search(inout, rm_months_lower, ALL_UPPER, FULL_SIZ, &len);
+ CHECK_SEQ_SEARCH(len, "rm");
+ ++tm->tm_mon;
+ if (S_FM(suf))
+ return len - 1;
+ else
+ return 3;
+ }
+
+ case DCH_W:
+ if (flag == TO_CHAR)
+ {
+ sprintf(inout, "%d", (tm->tm_mday - tm->tm_wday + 7) / 7);
+ if (S_THth(suf))
+ {
+ str_numth(p_inout, inout, S_TH_TYPE(suf));
+ return 2;
+ }
+ return 0;
+
+ }
+ else if (flag == FROM_CHAR)
+ elog(ERROR, "to_datatime(): W is not supported");
+
+ case DCH_J:
+ if (flag == TO_CHAR)
+ {
+ sprintf(inout, "%d", date2j(tm->tm_year, tm->tm_mon, tm->tm_mday));
+ if (S_THth(suf))
+ str_numth(p_inout, inout, S_TH_TYPE(suf));
+ return strlen(p_inout) - 1;
+ }
+ else if (flag == FROM_CHAR)
+ elog(ERROR, "to_datatime(): J is not supported");
+ }
+ return -1;
+}
static DCHCacheEntry *
-DCH_cache_getnew( char *str )
+DCH_cache_getnew(char *str)
{
- DCHCacheEntry *ent = NULL;
-
+ DCHCacheEntry *ent = NULL;
+
/* counter overload check - paranoa? */
- if (DCHCounter + DCH_CACHE_FIELDS >= MAX_INT32) {
+ if (DCHCounter + DCH_CACHE_FIELDS >= MAX_INT32)
+ {
DCHCounter = 0;
- for(ent = DCHCache; ent <= (DCHCache + DCH_CACHE_FIELDS); ent++)
- ent->age = (++DCHCounter);
+ for (ent = DCHCache; ent <= (DCHCache + DCH_CACHE_FIELDS); ent++)
+ ent->age = (++DCHCounter);
}
-
+
/* ----------
* Cache is full - needs remove any older entry
* ----------
*/
- if (n_DCHCache > DCH_CACHE_FIELDS) {
+ if (n_DCHCache > DCH_CACHE_FIELDS)
+ {
+
+ DCHCacheEntry *old = DCHCache + 0;
- DCHCacheEntry *old = DCHCache+0;
#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, "Cache is full (%d)", n_DCHCache);
-#endif
- for(ent = DCHCache; ent <= (DCHCache + DCH_CACHE_FIELDS); ent++) {
+#endif
+ for (ent = DCHCache; ent <= (DCHCache + DCH_CACHE_FIELDS); ent++)
+ {
if (ent->age < old->age)
old = ent;
- }
+ }
#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, "OLD: '%s' AGE: %d", old->str, old->age);
-#endif
- strcpy(old->str, str); /* check str size before this func. */
+#endif
+ strcpy(old->str, str); /* check str size before this func. */
/* old->format fill parser */
old->age = (++DCHCounter);
return old;
-
- } else {
-#ifdef DEBUG_TO_FROM_CHAR
+
+ }
+ else
+ {
+#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, "NEW (%d)", n_DCHCache);
-#endif
+#endif
ent = DCHCache + n_DCHCache;
- strcpy(ent->str, str); /* check str size before this func. */
+ strcpy(ent->str, str); /* check str size before this func. */
/* ent->format fill parser */
ent->age = (++DCHCounter);
++n_DCHCache;
return ent;
}
-
+
return (DCHCacheEntry *) NULL; /* never */
}
static DCHCacheEntry *
-DCH_cache_search( char *str )
+DCH_cache_search(char *str)
{
- int i = 0;
- DCHCacheEntry *ent;
+ int i = 0;
+ DCHCacheEntry *ent;
/* counter overload check - paranoa? */
- if (DCHCounter + DCH_CACHE_FIELDS >= MAX_INT32) {
+ if (DCHCounter + DCH_CACHE_FIELDS >= MAX_INT32)
+ {
DCHCounter = 0;
- for(ent = DCHCache; ent <= (DCHCache + DCH_CACHE_FIELDS); ent++)
- ent->age = (++DCHCounter);
+ for (ent = DCHCache; ent <= (DCHCache + DCH_CACHE_FIELDS); ent++)
+ ent->age = (++DCHCounter);
}
- for(ent = DCHCache; ent <= (DCHCache + DCH_CACHE_FIELDS); ent++) {
+ for (ent = DCHCache; ent <= (DCHCache + DCH_CACHE_FIELDS); ent++)
+ {
if (i == n_DCHCache)
break;
- if (strcmp(ent->str, str) == 0) {
+ if (strcmp(ent->str, str) == 0)
+ {
ent->age = (++DCHCounter);
return ent;
- }
- i++;
+ }
+ i++;
}
-
+
return (DCHCacheEntry *) NULL;
}
text *
timestamp_to_char(Timestamp *dt, text *fmt)
{
- text *result, *result_tmp;
- FormatNode *format;
- char *str;
- double fsec;
- char *tzn;
- int len=0, tz, flag = 0, x=0;
+ text *result,
+ *result_tmp;
+ FormatNode *format;
+ char *str;
+ double fsec;
+ char *tzn;
+ int len = 0,
+ tz,
+ flag = 0,
+ x = 0;
if ((!PointerIsValid(dt)) || (!PointerIsValid(fmt)))
return NULL;
-
- len = VARSIZE(fmt) - VARHDRSZ;
-
+
+ len = VARSIZE(fmt) - VARHDRSZ;
+
if ((!len) || (TIMESTAMP_NOT_FINITE(*dt)))
return textin("");
- tm->tm_sec =0; tm->tm_year =0;
- tm->tm_min =0; tm->tm_wday =0;
- tm->tm_hour =0; tm->tm_yday =0;
- tm->tm_mday =1; tm->tm_isdst =0;
- tm->tm_mon =1;
-
- if (TIMESTAMP_IS_EPOCH(*dt)) {
- x = timestamp2tm(SetTimestamp(*dt), NULL, tm, &fsec, NULL);
-
- } else if (TIMESTAMP_IS_CURRENT(*dt)) {
- x = timestamp2tm(SetTimestamp(*dt), &tz, tm, &fsec, &tzn);
-
- } else {
- x = timestamp2tm(*dt, &tz, tm, &fsec, &tzn);
- }
-
- if (x!=0)
- elog(ERROR, "to_char(): Unable to convert timestamp to tm");
-
- tm->tm_wday = (date2j(tm->tm_year, tm->tm_mon, tm->tm_mday) + 1) % 7;
- tm->tm_yday = date2j(tm->tm_year, tm->tm_mon, tm->tm_mday) - date2j(tm->tm_year, 1,1) +1;
+ tm->tm_sec = 0;
+ tm->tm_year = 0;
+ tm->tm_min = 0;
+ tm->tm_wday = 0;
+ tm->tm_hour = 0;
+ tm->tm_yday = 0;
+ tm->tm_mday = 1;
+ tm->tm_isdst = 0;
+ tm->tm_mon = 1;
+
+ if (TIMESTAMP_IS_EPOCH(*dt))
+ {
+ x = timestamp2tm(SetTimestamp(*dt), NULL, tm, &fsec, NULL);
+
+ }
+ else if (TIMESTAMP_IS_CURRENT(*dt))
+ {
+ x = timestamp2tm(SetTimestamp(*dt), &tz, tm, &fsec, &tzn);
+
+ }
+ else
+ x = timestamp2tm(*dt, &tz, tm, &fsec, &tzn);
+
+ if (x != 0)
+ elog(ERROR, "to_char(): Unable to convert timestamp to tm");
+
+ tm->tm_wday = (date2j(tm->tm_year, tm->tm_mon, tm->tm_mday) + 1) % 7;
+ tm->tm_yday = date2j(tm->tm_year, tm->tm_mon, tm->tm_mday) - date2j(tm->tm_year, 1, 1) + 1;
/* ----------
* Convert VARDATA() to string
* ----------
*/
- str = (char *) palloc(len + 1);
+ str = (char *) palloc(len + 1);
memcpy(str, VARDATA(fmt), len);
- *(str + len) = '\0';
+ *(str + len) = '\0';
/* ----------
* Allocate result
* ----------
*/
- result = (text *) palloc( (len * DCH_MAX_ITEM_SIZ) + 1 + VARHDRSZ);
+ result = (text *) palloc((len * DCH_MAX_ITEM_SIZ) + 1 + VARHDRSZ);
/* ----------
- * Allocate new memory if format picture is bigger than static cache
+ * Allocate new memory if format picture is bigger than static cache
* and not use cache (call parser always) - flag=1 show this variant
* ----------
- */
- if ( len > DCH_CACHE_SIZE ) {
-
+ */
+ if (len > DCH_CACHE_SIZE)
+ {
+
format = (FormatNode *) palloc((len + 1) * sizeof(FormatNode));
- flag = 1;
+ flag = 1;
+
+ parse_format(format, str, DCH_keywords,
+ DCH_suff, DCH_index, DCH_TYPE, NULL);
+
+ (format + len)->type = NODE_TYPE_END; /* Paranoa? */
- parse_format(format, str, DCH_keywords,
- DCH_suff, DCH_index, DCH_TYPE, NULL);
-
- (format + len)->type = NODE_TYPE_END; /* Paranoa? */
-
- } else {
+ }
+ else
+ {
/* ----------
* Use cache buffers
* ----------
*/
- DCHCacheEntry *ent;
+ DCHCacheEntry *ent;
+
flag = 0;
- if ((ent = DCH_cache_search(str)) == NULL) {
-
+ if ((ent = DCH_cache_search(str)) == NULL)
+ {
+
ent = DCH_cache_getnew(str);
-
+
/* ----------
* Not in the cache, must run parser and save a new
- * format-picture to the cache.
+ * format-picture to the cache.
* ----------
- */
- parse_format(ent->format, str, DCH_keywords,
- DCH_suff, DCH_index, DCH_TYPE, NULL);
-
- (ent->format + len)->type = NODE_TYPE_END; /* Paranoa? */
-
-#ifdef DEBUG_TO_FROM_CHAR
+ */
+ parse_format(ent->format, str, DCH_keywords,
+ DCH_suff, DCH_index, DCH_TYPE, NULL);
+
+ (ent->format + len)->type = NODE_TYPE_END; /* Paranoa? */
+
+#ifdef DEBUG_TO_FROM_CHAR
/* dump_node(ent->format, len); */
/* dump_index(DCH_keywords, DCH_index); */
-#endif
- }
- format = ent->format;
+#endif
+ }
+ format = ent->format;
}
-
+
DCH_processor(format, VARDATA(result), TO_CHAR);
if (flag)
* for result is allocated max memory, which current format-picture
* needs, now it must be re-allocate to result real size
* ----------
- */
- len = strlen(VARDATA(result));
- result_tmp = result;
- result = (text *) palloc( len + 1 + VARHDRSZ);
-
- strcpy( VARDATA(result), VARDATA(result_tmp));
- VARSIZE(result) = len + VARHDRSZ;
+ */
+ len = strlen(VARDATA(result));
+ result_tmp = result;
+ result = (text *) palloc(len + 1 + VARHDRSZ);
+
+ strcpy(VARDATA(result), VARDATA(result_tmp));
+ VARSIZE(result) = len + VARHDRSZ;
pfree(result_tmp);
return result;
/* ---------------------
* TO_TIMESTAMP()
*
- * Make Timestamp from date_str which is formated at argument 'fmt'
+ * Make Timestamp from date_str which is formated at argument 'fmt'
* ( to_timestamp is reverse to_char() )
* ---------------------
*/
-Timestamp *
+Timestamp *
to_timestamp(text *date_str, text *fmt)
{
- FormatNode *format;
- int flag=0;
- Timestamp *result;
- char *str;
- int len=0,
- fsec=0,
- tz=0;
+ FormatNode *format;
+ int flag = 0;
+ Timestamp *result;
+ char *str;
+ int len = 0,
+ fsec = 0,
+ tz = 0;
if ((!PointerIsValid(date_str)) || (!PointerIsValid(fmt)))
return NULL;
-
- tm->tm_sec =0; tm->tm_year =0;
- tm->tm_min =0; tm->tm_wday =0;
- tm->tm_hour =0; tm->tm_yday =0;
- tm->tm_mday =1; tm->tm_isdst =0;
- tm->tm_mon =1;
-
+
+ tm->tm_sec = 0;
+ tm->tm_year = 0;
+ tm->tm_min = 0;
+ tm->tm_wday = 0;
+ tm->tm_hour = 0;
+ tm->tm_yday = 0;
+ tm->tm_mday = 1;
+ tm->tm_isdst = 0;
+ tm->tm_mon = 1;
+
result = palloc(sizeof(Timestamp));
-
- len = VARSIZE(fmt) - VARHDRSZ;
-
- if (len) {
-
+
+ len = VARSIZE(fmt) - VARHDRSZ;
+
+ if (len)
+ {
+
/* ----------
* Convert VARDATA() to string
* ----------
*/
- str = (char *) palloc(len + 1);
+ str = (char *) palloc(len + 1);
memcpy(str, VARDATA(fmt), len);
- *(str + len) = '\0';
+ *(str + len) = '\0';
/* ----------
- * Allocate new memory if format picture is bigger than static cache
+ * Allocate new memory if format picture is bigger than static cache
* and not use cache (call parser always) - flag=1 show this variant
* ----------
- */
- if ( len > DCH_CACHE_SIZE ) {
+ */
+ if (len > DCH_CACHE_SIZE)
+ {
format = (FormatNode *) palloc((len + 1) * sizeof(FormatNode));
- flag = 1;
+ flag = 1;
+
+ parse_format(format, str, DCH_keywords,
+ DCH_suff, DCH_index, DCH_TYPE, NULL);
- parse_format(format, str, DCH_keywords,
- DCH_suff, DCH_index, DCH_TYPE, NULL);
-
- (format + len)->type = NODE_TYPE_END; /* Paranoa? */
- } else {
+ (format + len)->type = NODE_TYPE_END; /* Paranoa? */
+ }
+ else
+ {
/* ----------
* Use cache buffers
* ----------
*/
- DCHCacheEntry *ent;
+ DCHCacheEntry *ent;
+
flag = 0;
- if ((ent = DCH_cache_search(str)) == NULL) {
-
+ if ((ent = DCH_cache_search(str)) == NULL)
+ {
+
ent = DCH_cache_getnew(str);
-
+
/* ----------
* Not in the cache, must run parser and save a new
- * format-picture to the cache.
+ * format-picture to the cache.
* ----------
- */
- parse_format(ent->format, str, DCH_keywords,
- DCH_suff, DCH_index, DCH_TYPE, NULL);
-
- (ent->format + len)->type = NODE_TYPE_END; /* Paranoa? */
-#ifdef DEBUG_TO_FROM_CHAR
+ */
+ parse_format(ent->format, str, DCH_keywords,
+ DCH_suff, DCH_index, DCH_TYPE, NULL);
+
+ (ent->format + len)->type = NODE_TYPE_END; /* Paranoa? */
+#ifdef DEBUG_TO_FROM_CHAR
/* dump_node(ent->format, len); */
/* dump_index(DCH_keywords, DCH_index); */
-#endif
- }
- format = ent->format;
- }
-
+#endif
+ }
+ format = ent->format;
+ }
+
/* ----------
- * Call action for each node in FormatNode tree
+ * Call action for each node in FormatNode tree
* ----------
- */
-#ifdef DEBUG_TO_FROM_CHAR
+ */
+#ifdef DEBUG_TO_FROM_CHAR
/* dump_node(format, len); */
#endif
- VARDATA(date_str)[ VARSIZE(date_str) - VARHDRSZ ] = '\0';
- DCH_processor(format, VARDATA(date_str), FROM_CHAR);
+ VARDATA(date_str)[VARSIZE(date_str) - VARHDRSZ] = '\0';
+ DCH_processor(format, VARDATA(date_str), FROM_CHAR);
pfree(str);
-
+
if (flag)
pfree(format);
}
#ifdef DEBUG_TO_FROM_CHAR
- NOTICE_TM;
+ NOTICE_TM;
#endif
- if (IS_VALID_UTIME(tm->tm_year, tm->tm_mon, tm->tm_mday)) {
+ if (IS_VALID_UTIME(tm->tm_year, tm->tm_mon, tm->tm_mday))
+ {
#ifdef USE_POSIX_TIME
tm->tm_isdst = -1;
tm->tm_year -= 1900;
- tm->tm_mon -= 1;
+ tm->tm_mon -= 1;
#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, "TO-FROM_CHAR: Call mktime()");
#error USE_POSIX_TIME is defined but neither HAVE_TM_ZONE or HAVE_INT_TIMEZONE are defined
#endif
-#else /* !USE_POSIX_TIME */
+#else /* !USE_POSIX_TIME */
tz = CTimeZone;
#endif
- } else {
+ }
+ else
+ {
tm->tm_isdst = 0;
tz = 0;
}
#ifdef DEBUG_TO_FROM_CHAR
- NOTICE_TM;
+ NOTICE_TM;
#endif
if (tm2timestamp(tm, fsec, &tz, result) != 0)
- elog(ERROR, "to_datatime(): can't convert 'tm' to timestamp.");
-
+ elog(ERROR, "to_datatime(): can't convert 'tm' to timestamp.");
+
return result;
}
/* ----------
* TO_DATE
- * Make Date from date_str which is formated at argument 'fmt'
+ * Make Date from date_str which is formated at argument 'fmt'
* ----------
*/
-DateADT
+DateADT
to_date(text *date_str, text *fmt)
{
- return timestamp_date( to_timestamp(date_str, fmt) );
+ return timestamp_date(to_timestamp(date_str, fmt));
}
/**********************************************************************
- * the NUMBER version part
+ * the NUMBER version part
*********************************************************************/
fill_str(char *str, int c, int max)
{
memset(str, c, max);
- *(str+max+1) = '\0';
- return str;
+ *(str + max + 1) = '\0';
+ return str;
}
#define zeroize_NUM(_n) { \
- (_n)->flag = 0; \
+ (_n)->flag = 0; \
(_n)->lsign = 0; \
(_n)->pre = 0; \
(_n)->post = 0; \
- (_n)->pre_lsign_num = 0; \
+ (_n)->pre_lsign_num = 0; \
(_n)->need_locale = 0; \
(_n)->multi = 0; \
(_n)->zero_start = 0; \
}
static NUMCacheEntry *
-NUM_cache_getnew( char *str )
+NUM_cache_getnew(char *str)
{
- NUMCacheEntry *ent = NULL;
-
+ NUMCacheEntry *ent = NULL;
+
/* counter overload check - paranoa? */
- if (NUMCounter + NUM_CACHE_FIELDS >= MAX_INT32) {
+ if (NUMCounter + NUM_CACHE_FIELDS >= MAX_INT32)
+ {
NUMCounter = 0;
- for(ent = NUMCache; ent <= (NUMCache + NUM_CACHE_FIELDS); ent++)
- ent->age = (++NUMCounter);
+ for (ent = NUMCache; ent <= (NUMCache + NUM_CACHE_FIELDS); ent++)
+ ent->age = (++NUMCounter);
}
-
+
/* ----------
* Cache is full - needs remove any older entry
* ----------
*/
- if (n_NUMCache > NUM_CACHE_FIELDS) {
+ if (n_NUMCache > NUM_CACHE_FIELDS)
+ {
+
+ NUMCacheEntry *old = NUMCache + 0;
- NUMCacheEntry *old = NUMCache+0;
-
#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, "Cache is full (%d)", n_NUMCache);
#endif
-
- for(ent = NUMCache; ent <= (NUMCache + NUM_CACHE_FIELDS); ent++) {
+
+ for (ent = NUMCache; ent <= (NUMCache + NUM_CACHE_FIELDS); ent++)
+ {
if (ent->age < old->age)
old = ent;
- }
-#ifdef DEBUG_TO_FROM_CHAR
+ }
+#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, "OLD: '%s' AGE: %d", old->str, old->age);
-#endif
- strcpy(old->str, str); /* check str size before this func. */
+#endif
+ strcpy(old->str, str); /* check str size before this func. */
/* old->format fill parser */
old->age = (++NUMCounter);
-
+
ent = old;
-
- } else {
-#ifdef DEBUG_TO_FROM_CHAR
+
+ }
+ else
+ {
+#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, "NEW (%d)", n_NUMCache);
-#endif
+#endif
ent = NUMCache + n_NUMCache;
- strcpy(ent->str, str); /* check str size before this func. */
+ strcpy(ent->str, str); /* check str size before this func. */
/* ent->format fill parser */
ent->age = (++NUMCounter);
++n_NUMCache;
}
-
+
zeroize_NUM(&ent->Num);
-
- return ent; /* never */
+
+ return ent; /* never */
}
static NUMCacheEntry *
-NUM_cache_search( char *str )
+NUM_cache_search(char *str)
{
- int i = 0;
- NUMCacheEntry *ent;
+ int i = 0;
+ NUMCacheEntry *ent;
/* counter overload check - paranoa? */
- if (NUMCounter + NUM_CACHE_FIELDS >= MAX_INT32) {
+ if (NUMCounter + NUM_CACHE_FIELDS >= MAX_INT32)
+ {
NUMCounter = 0;
- for(ent = NUMCache; ent <= (NUMCache + NUM_CACHE_FIELDS); ent++)
- ent->age = (++NUMCounter);
+ for (ent = NUMCache; ent <= (NUMCache + NUM_CACHE_FIELDS); ent++)
+ ent->age = (++NUMCounter);
}
- for(ent = NUMCache; ent <= (NUMCache + NUM_CACHE_FIELDS); ent++) {
+ for (ent = NUMCache; ent <= (NUMCache + NUM_CACHE_FIELDS); ent++)
+ {
if (i == n_NUMCache)
break;
- if (strcmp(ent->str, str) == 0) {
+ if (strcmp(ent->str, str) == 0)
+ {
ent->age = (++NUMCounter);
return ent;
- }
- i++;
+ }
+ i++;
}
-
+
return (NUMCacheEntry *) NULL;
}
* ----------
*/
static FormatNode *
-NUM_cache( int len, NUMDesc *Num, char *pars_str, int *flag)
-{
- FormatNode *format = NULL;
- char *str;
+NUM_cache(int len, NUMDesc *Num, char *pars_str, int *flag)
+{
+ FormatNode *format = NULL;
+ char *str;
/* ----------
* Convert VARDATA() to string
* ----------
*/
- str = (char *) palloc(len + 1);
+ str = (char *) palloc(len + 1);
memcpy(str, pars_str, len);
- *(str + len) = '\0';
+ *(str + len) = '\0';
/* ----------
- * Allocate new memory if format picture is bigger than static cache
+ * Allocate new memory if format picture is bigger than static cache
* and not use cache (call parser always) - flag=1 show this variant
* ----------
- */
- if ( len > NUM_CACHE_SIZE ) {
+ */
+ if (len > NUM_CACHE_SIZE)
+ {
format = (FormatNode *) palloc((len + 1) * sizeof(FormatNode));
- *flag = 1;
-
- zeroize_NUM(Num);
-
- parse_format(format, str, NUM_keywords,
- NULL, NUM_index, NUM_TYPE, Num);
-
- (format + len)->type = NODE_TYPE_END; /* Paranoa? */
-
- } else {
-
+ *flag = 1;
+
+ zeroize_NUM(Num);
+
+ parse_format(format, str, NUM_keywords,
+ NULL, NUM_index, NUM_TYPE, Num);
+
+ (format + len)->type = NODE_TYPE_END; /* Paranoa? */
+
+ }
+ else
+ {
+
/* ----------
* Use cache buffers
* ----------
*/
- NUMCacheEntry *ent;
+ NUMCacheEntry *ent;
+
flag = 0;
- if ((ent = NUM_cache_search(str)) == NULL) {
-
+ if ((ent = NUM_cache_search(str)) == NULL)
+ {
+
ent = NUM_cache_getnew(str);
-
+
/* ----------
* Not in the cache, must run parser and save a new
- * format-picture to the cache.
+ * format-picture to the cache.
* ----------
- */
- parse_format(ent->format, str, NUM_keywords,
- NULL, NUM_index, NUM_TYPE, &ent->Num);
-
- (ent->format + len)->type = NODE_TYPE_END; /* Paranoa? */
-
- }
-
- format = ent->format;
-
+ */
+ parse_format(ent->format, str, NUM_keywords,
+ NULL, NUM_index, NUM_TYPE, &ent->Num);
+
+ (ent->format + len)->type = NODE_TYPE_END; /* Paranoa? */
+
+ }
+
+ format = ent->format;
+
/* ----------
* Copy cache to used struct
* ----------
*/
- Num->flag = ent->Num.flag;
- Num->lsign = ent->Num.lsign;
- Num->pre = ent->Num.pre;
- Num->post = ent->Num.post;
- Num->pre_lsign_num = ent->Num.pre_lsign_num;
- Num->need_locale = ent->Num.need_locale;
- Num->multi = ent->Num.multi;
- Num->zero_start = ent->Num.zero_start;
- Num->zero_end = ent->Num.zero_end;
- }
-
-#ifdef DEBUG_TO_FROM_CHAR
+ Num->flag = ent->Num.flag;
+ Num->lsign = ent->Num.lsign;
+ Num->pre = ent->Num.pre;
+ Num->post = ent->Num.post;
+ Num->pre_lsign_num = ent->Num.pre_lsign_num;
+ Num->need_locale = ent->Num.need_locale;
+ Num->multi = ent->Num.multi;
+ Num->zero_start = ent->Num.zero_start;
+ Num->zero_end = ent->Num.zero_end;
+ }
+
+#ifdef DEBUG_TO_FROM_CHAR
/* dump_node(format, len); */
- dump_index(NUM_keywords, NUM_index);
-#endif
+ dump_index(NUM_keywords, NUM_index);
+#endif
pfree(str);
return format;
static char *
int_to_roman(int number)
{
- int len = 0,
- num = 0,
- set = 0;
- char *p = NULL,
- *result,
- numstr[5];
-
- result = (char *) palloc( 16 );
+ int len = 0,
+ num = 0,
+ set = 0;
+ char *p = NULL,
+ *result,
+ numstr[5];
+
+ result = (char *) palloc(16);
*result = '\0';
-
- if (number > 3999 || number < 1) {
+
+ if (number > 3999 || number < 1)
+ {
fill_str(result, '#', 15);
return result;
}
len = sprintf(numstr, "%d", number);
-
- for(p=numstr; *p!='\0'; p++, --len) {
- num = *p - 49; /* 48 ascii + 1 */
+
+ for (p = numstr; *p != '\0'; p++, --len)
+ {
+ num = *p - 49; /* 48 ascii + 1 */
if (num < 0)
continue;
- if (num == -1 && set==0)
+ if (num == -1 && set == 0)
continue;
set = 1;
-
- if (len > 3) {
- while(num-- != -1)
+
+ if (len > 3)
+ {
+ while (num-- != -1)
strcat(result, "M");
- } else {
- if (len==3)
- strcat(result, rm100[num]);
- else if (len==2)
+ }
+ else
+ {
+ if (len == 3)
+ strcat(result, rm100[num]);
+ else if (len == 2)
strcat(result, rm10[num]);
- else if (len==1)
+ else if (len == 1)
strcat(result, rm1[num]);
}
}
#ifdef USE_LOCALE
- if (Np->Num->need_locale) {
+ if (Np->Num->need_locale)
+ {
- struct lconv *lconv;
+ struct lconv *lconv;
/* ----------
* Get locales
* ----------
*/
lconv = PGLC_localeconv();
-
- /* ----------
+
+ /* ----------
* Positive / Negative number sign
* ----------
*/
Np->L_negative_sign = lconv->negative_sign;
else
Np->L_negative_sign = "-";
-
+
if (lconv->positive_sign && *lconv->positive_sign)
Np->L_positive_sign = lconv->positive_sign;
- else
- Np->L_positive_sign = "+";
-
+ else
+ Np->L_positive_sign = "+";
+
/* ----------
* Number thousands separator
* ----------
- */
+ */
if (lconv->thousands_sep && *lconv->thousands_sep)
Np->L_thousands_sep = lconv->thousands_sep;
- else
+ else
Np->L_thousands_sep = ",";
-
+
/* ----------
* Number decimal point
* ----------
*/
if (lconv->decimal_point && *lconv->decimal_point)
Np->decimal = lconv->decimal_point;
- else
+ else
Np->decimal = ".";
-
+
/* ----------
* Currency symbol
* ----------
*/
- if (lconv->currency_symbol && *lconv->currency_symbol)
+ if (lconv->currency_symbol && *lconv->currency_symbol)
Np->L_currency_symbol = lconv->currency_symbol;
- else
- Np->L_currency_symbol = " ";
+ else
+ Np->L_currency_symbol = " ";
+
-
if (!IS_LDECIMAL(Np->Num))
- Np->decimal = ".";
- } else {
+ Np->decimal = ".";
+ }
+ else
+ {
#endif
/* ----------
* Default values
* ----------
*/
- Np->L_negative_sign = "-";
- Np->L_positive_sign = "+";
- Np->decimal = ".";
- Np->L_thousands_sep = ",";
- Np->L_currency_symbol = " ";
+ Np->L_negative_sign = "-";
+ Np->L_positive_sign = "+";
+ Np->decimal = ".";
+ Np->L_thousands_sep = ",";
+ Np->L_currency_symbol = " ";
#ifdef USE_LOCALE
}
/* ----------
* Return pointer of last relevant number after decimal point
- * 12.0500 --> last relevant is '5'
+ * 12.0500 --> last relevant is '5'
* ----------
- */
+ */
static char *
get_last_relevant_decnum(char *num)
{
- char *result,
- *p = strchr(num, '.');
-
-#ifdef DEBUG_TO_FROM_CHAR
+ char *result,
+ *p = strchr(num, '.');
+
+#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, "CALL: get_last_relevant_decnum()");
#endif
-
- if (!p)
+
+ if (!p)
p = num;
result = p;
-
- while(*(++p)) {
- if (*p!='0')
+
+ while (*(++p))
+ {
+ if (*p != '0')
result = p;
}
-
+
return result;
}
* ----------
*/
static void
-NUM_numpart_from_char(NUMProc *Np, int id, int plen)
+NUM_numpart_from_char(NUMProc *Np, int id, int plen)
{
-
+
#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, " --- scan start --- ");
#endif
- if (*Np->inout_p == ' ')
- Np->inout_p++;
+ if (*Np->inout_p == ' ')
+ Np->inout_p++;
#define OVERLOAD_TEST (Np->inout_p >= Np->inout + plen)
- if (*Np->inout_p == ' ')
- Np->inout_p++;
-
+ if (*Np->inout_p == ' ')
+ Np->inout_p++;
+
if (OVERLOAD_TEST)
return;
-
+
/* ----------
* read sign
* ----------
*/
- if (*Np->number == ' ' && (id == NUM_0 || id == NUM_9 || NUM_S)) {
+ if (*Np->number == ' ' && (id == NUM_0 || id == NUM_9 || NUM_S))
+ {
#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, "Try read sign (%c).", *Np->inout_p);
-#endif
+#endif
/* ----------
* locale sign
* ----------
*/
- if (IS_LSIGN(Np->Num)) {
-
- int x = strlen(Np->L_negative_sign);
-
+ if (IS_LSIGN(Np->Num))
+ {
+
+ int x = strlen(Np->L_negative_sign);
+
#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, "Try read locale sign (%c).", *Np->inout_p);
-#endif
- if (!strncmp(Np->inout_p, Np->L_negative_sign, x)) {
- Np->inout_p += x-1;
+#endif
+ if (!strncmp(Np->inout_p, Np->L_negative_sign, x))
+ {
+ Np->inout_p += x - 1;
*Np->number = '-';
return;
}
-
+
x = strlen(Np->L_positive_sign);
- if (!strncmp(Np->inout_p, Np->L_positive_sign, x)) {
- Np->inout_p += x-1;
+ if (!strncmp(Np->inout_p, Np->L_positive_sign, x))
+ {
+ Np->inout_p += x - 1;
*Np->number = '+';
return;
}
#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, "Try read sipmle sign (%c).", *Np->inout_p);
-#endif
+#endif
/* ----------
* simple + - < >
* ----------
*/
- if (*Np->inout_p == '-' || (IS_BRACKET(Np->Num) &&
- *Np->inout_p == '<' )) {
-
- *Np->number = '-'; /* set - */
+ if (*Np->inout_p == '-' || (IS_BRACKET(Np->Num) &&
+ *Np->inout_p == '<'))
+ {
+
+ *Np->number = '-'; /* set - */
Np->inout_p++;
-
- } else if (*Np->inout_p == '+') {
-
- *Np->number = '+'; /* set + */
+
+ }
+ else if (*Np->inout_p == '+')
+ {
+
+ *Np->number = '+'; /* set + */
Np->inout_p++;
- }
+ }
}
if (OVERLOAD_TEST)
return;
-
+
/* ----------
* read digit
* ----------
*/
- if (isdigit((unsigned char) *Np->inout_p)) {
-
+ if (isdigit((unsigned char) *Np->inout_p))
+ {
+
if (Np->read_dec && Np->read_post == Np->Num->post)
return;
-
+
*Np->number_p = *Np->inout_p;
Np->number_p++;
-
+
if (Np->read_dec)
Np->read_post++;
-#ifdef DEBUG_TO_FROM_CHAR
+#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, "Read digit (%c).", *Np->inout_p);
-#endif
-
- /* ----------
- * read decimal point
- * ----------
- */
- } else if (IS_DECIMAL(Np->Num)) {
+#endif
+
+ /* ----------
+ * read decimal point
+ * ----------
+ */
+ }
+ else if (IS_DECIMAL(Np->Num))
+ {
#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, "Try read decimal point (%c).", *Np->inout_p);
-#endif
- if (*Np->inout_p == '.') {
-
+#endif
+ if (*Np->inout_p == '.')
+ {
+
*Np->number_p = '.';
Np->number_p++;
Np->read_dec = TRUE;
-
- } else {
-
- int x = strlen(Np->decimal);
-
+
+ }
+ else
+ {
+
+ int x = strlen(Np->decimal);
+
#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, "Try read locale point (%c).", *Np->inout_p);
-#endif
- if (!strncmp(Np->inout_p, Np->decimal, x)) {
- Np->inout_p += x-1;
+#endif
+ if (!strncmp(Np->inout_p, Np->decimal, x))
+ {
+ Np->inout_p += x - 1;
*Np->number_p = '.';
Np->number_p++;
Np->read_dec = TRUE;
}
}
- }
+ }
}
/* ----------
* ----------
*/
static void
-NUM_numpart_to_char(NUMProc *Np, int id)
-{
+NUM_numpart_to_char(NUMProc *Np, int id)
+{
if (IS_ROMAN(Np->Num))
return;
-
+
/* Note: in this elog() output not set '\0' in 'inout' */
-#ifdef DEBUG_TO_FROM_CHAR
+#ifdef DEBUG_TO_FROM_CHAR
+
/*
- * Np->num_curr is number of current item in format-picture, it is not
- * current position in inout!
- */
- elog(DEBUG_elog_output,
-
- "SIGN_WROTE: %d, CURRENT: %d, NUMBER_P: '%s', INOUT: '%s'",
- Np->sign_wrote,
- Np->num_curr,
- Np->number_p,
- Np->inout);
-#endif
+ * Np->num_curr is number of current item in format-picture, it is not
+ * current position in inout!
+ */
+ elog(DEBUG_elog_output,
+
+ "SIGN_WROTE: %d, CURRENT: %d, NUMBER_P: '%s', INOUT: '%s'",
+ Np->sign_wrote,
+ Np->num_curr,
+ Np->number_p,
+ Np->inout);
+#endif
Np->num_in = FALSE;
-
+
/* ----------
* Write sign
* ----------
*/
- if (Np->num_curr == Np->sign_pos && Np->sign_wrote==FALSE) {
+ if (Np->num_curr == Np->sign_pos && Np->sign_wrote == FALSE)
+ {
-#ifdef DEBUG_TO_FROM_CHAR
+#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, "Writing sign to position: %d", Np->num_curr);
-#endif
- if (IS_LSIGN(Np->Num)) {
-
+#endif
+ if (IS_LSIGN(Np->Num))
+ {
+
/* ----------
- * Write locale SIGN
+ * Write locale SIGN
* ----------
*/
- if (Np->sign=='-')
- strcpy(Np->inout_p, Np->L_negative_sign);
- else
- strcpy(Np->inout_p, Np->L_positive_sign);
- Np->inout_p += strlen(Np->inout_p);
-
- } else if (IS_BRACKET(Np->Num)) {
- *Np->inout_p = '<'; /* Write < */
- ++Np->inout_p;
-
- } else if (Np->sign=='+') {
- *Np->inout_p = ' '; /* Write + */
+ if (Np->sign == '-')
+ strcpy(Np->inout_p, Np->L_negative_sign);
+ else
+ strcpy(Np->inout_p, Np->L_positive_sign);
+ Np->inout_p += strlen(Np->inout_p);
+
+ }
+ else if (IS_BRACKET(Np->Num))
+ {
+ *Np->inout_p = '<'; /* Write < */
++Np->inout_p;
-
- } else if (Np->sign=='-') { /* Write - */
+
+ }
+ else if (Np->sign == '+')
+ {
+ *Np->inout_p = ' '; /* Write + */
+ ++Np->inout_p;
+
+ }
+ else if (Np->sign == '-')
+ { /* Write - */
*Np->inout_p = '-';
- ++Np->inout_p;
- }
+ ++Np->inout_p;
+ }
Np->sign_wrote = TRUE;
- } else if (Np->sign_wrote && IS_BRACKET(Np->Num) &&
- (Np->num_curr == Np->num_count + (Np->num_pre ? 1 : 0)
- + (IS_DECIMAL(Np->Num) ? 1 : 0))) {
+ }
+ else if (Np->sign_wrote && IS_BRACKET(Np->Num) &&
+ (Np->num_curr == Np->num_count + (Np->num_pre ? 1 : 0)
+ + (IS_DECIMAL(Np->Num) ? 1 : 0)))
+ {
/* ----------
* Write close BRACKET
* ----------
- */
+ */
#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, "Writing bracket to position %d", Np->num_curr);
-#endif
- *Np->inout_p = '>'; /* Write '>' */
- ++Np->inout_p;
+#endif
+ *Np->inout_p = '>'; /* Write '>' */
+ ++Np->inout_p;
}
-
+
/* ----------
* digits / FM / Zero / Dec. point
* ----------
*/
- if (id == NUM_9 || id == NUM_0 || id == NUM_D || id == NUM_DEC ||
- (id == NUM_S && Np->num_curr < Np->num_pre)) {
-
- if (Np->num_curr < Np->num_pre &&
- (Np->Num->zero_start > Np->num_curr || !IS_ZERO(Np->Num))) {
-
- /* ----------
- * Write blank space
- * ----------
- */
- if (!IS_FILLMODE(Np->Num)) {
- #ifdef DEBUG_TO_FROM_CHAR
- elog(DEBUG_elog_output, "Writing blank space to position %d", Np->num_curr);
- #endif
- *Np->inout_p = ' '; /* Write ' ' */
+ if (id == NUM_9 || id == NUM_0 || id == NUM_D || id == NUM_DEC ||
+ (id == NUM_S && Np->num_curr < Np->num_pre))
+ {
+
+ if (Np->num_curr < Np->num_pre &&
+ (Np->Num->zero_start > Np->num_curr || !IS_ZERO(Np->Num)))
+ {
+
+ /* ----------
+ * Write blank space
+ * ----------
+ */
+ if (!IS_FILLMODE(Np->Num))
+ {
+#ifdef DEBUG_TO_FROM_CHAR
+ elog(DEBUG_elog_output, "Writing blank space to position %d", Np->num_curr);
+#endif
+ *Np->inout_p = ' '; /* Write ' ' */
++Np->inout_p;
}
- } else if (IS_ZERO(Np->Num) &&
- Np->num_curr < Np->num_pre &&
- Np->Num->zero_start <= Np->num_curr) {
-
+ }
+ else if (IS_ZERO(Np->Num) &&
+ Np->num_curr < Np->num_pre &&
+ Np->Num->zero_start <= Np->num_curr)
+ {
+
/* ----------
* Write ZERO
* ----------
*/
-#ifdef DEBUG_TO_FROM_CHAR
+#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, "Writing zero to position %d", Np->num_curr);
-#endif
- *Np->inout_p = '0'; /* Write '0' */
+#endif
+ *Np->inout_p = '0'; /* Write '0' */
++Np->inout_p;
Np->num_in = TRUE;
-
- } else {
+
+ }
+ else
+ {
/* ----------
- * Write Decinal point
+ * Write Decinal point
* ----------
- */
- if (*Np->number_p=='.') {
-
- if (!Np->last_relevant || *Np->last_relevant!='.' ) {
-#ifdef DEBUG_TO_FROM_CHAR
+ */
+ if (*Np->number_p == '.')
+ {
+
+ if (!Np->last_relevant || *Np->last_relevant != '.')
+ {
+#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, "Writing decimal point to position %d", Np->num_curr);
-#endif
+#endif
strcpy(Np->inout_p, Np->decimal); /* Write DEC/D */
Np->inout_p += strlen(Np->inout_p);
-
- /* terrible Ora
- * '0' -- 9.9 --> '0.'
- */
- } else if (IS_FILLMODE(Np->Num) && *Np->number == '0' &&
- Np->last_relevant && *Np->last_relevant=='.' ) {
-
+
+ /*
+ * terrible Ora '0' -- 9.9 --> '0.'
+ */
+ }
+ else if (IS_FILLMODE(Np->Num) && *Np->number == '0' &&
+ Np->last_relevant && *Np->last_relevant == '.')
+ {
+
strcpy(Np->inout_p, Np->decimal); /* Write DEC/D */
Np->inout_p += strlen(Np->inout_p);
}
-
- } else {
+
+ }
+ else
+ {
/* ----------
* Write Digits
* ----------
*/
if (Np->last_relevant && Np->number_p > Np->last_relevant &&
- id != NUM_0)
+ id != NUM_0)
;
-
- /* terrible Ora format:
- * '0.1' -- 9.9 --> ' .1'
+
+ /*
+ * terrible Ora format: '0.1' -- 9.9 --> ' .1'
*/
- else if (!IS_ZERO(Np->Num) && *Np->number == '0' &&
- Np->number == Np->number_p && Np->Num->post !=0) {
-
- if (!IS_FILLMODE(Np->Num)) {
+ else if (!IS_ZERO(Np->Num) && *Np->number == '0' &&
+ Np->number == Np->number_p && Np->Num->post != 0)
+ {
+
+ if (!IS_FILLMODE(Np->Num))
+ {
*Np->inout_p = ' ';
++Np->inout_p;
-
- /* total terible Ora:
- * '0' -- FM9.9 --> '0.'
- */
- } else if (Np->last_relevant && *Np->last_relevant=='.') {
+
+ /*
+ * total terible Ora: '0' -- FM9.9 --> '0.'
+ */
+ }
+ else if (Np->last_relevant && *Np->last_relevant == '.')
+ {
*Np->inout_p = '0';
++Np->inout_p;
}
-
- } else {
+
+ }
+ else
+ {
#ifdef DEBUG_TO_FROM_CHAR
elog(DEBUG_elog_output, "Writing digit '%c' to position %d", *Np->number_p, Np->num_curr);
-#endif
- *Np->inout_p = *Np->number_p; /* Write DIGIT */
+#endif
+ *Np->inout_p = *Np->number_p; /* Write DIGIT */
++Np->inout_p;
Np->num_in = TRUE;
- }
+ }
}
++Np->number_p;
- }
+ }
}
-
+
++Np->num_curr;
}
-
+
static char *
-NUM_processor (FormatNode *node, NUMDesc *Num, char *inout, char *number,
- int plen, int sign, int type)
+NUM_processor(FormatNode *node, NUMDesc *Num, char *inout, char *number,
+ int plen, int sign, int type)
{
- FormatNode *n;
- NUMProc _Np, *Np = &_Np;
-
- Np->Num = Num;
- Np->type = type;
- Np->number = number;
- Np->inout = inout;
+ FormatNode *n;
+ NUMProc _Np,
+ *Np = &_Np;
+
+ Np->Num = Num;
+ Np->type = type;
+ Np->number = number;
+ Np->inout = inout;
Np->last_relevant = NULL;
- Np->read_post = 0;
- Np->read_dec = FALSE;
+ Np->read_post = 0;
+ Np->read_dec = FALSE;
if (Np->Num->zero_start)
--Np->Num->zero_start;
- /* ----------
- * Roman correction
+ /* ----------
+ * Roman correction
* ----------
*/
- if (IS_ROMAN(Np->Num)) {
- if (Np->type==FROM_CHAR)
- elog(ERROR, "to_number(): RN is not supported");
-
- Np->Num->lsign = Np->Num->pre_lsign_num = Np->Num->post =
- Np->Num->pre = Np->num_pre = Np->sign = 0;
-
- if (IS_FILLMODE(Np->Num)){
+ if (IS_ROMAN(Np->Num))
+ {
+ if (Np->type == FROM_CHAR)
+ elog(ERROR, "to_number(): RN is not supported");
+
+ Np->Num->lsign = Np->Num->pre_lsign_num = Np->Num->post =
+ Np->Num->pre = Np->num_pre = Np->sign = 0;
+
+ if (IS_FILLMODE(Np->Num))
+ {
Np->Num->flag = 0;
Np->Num->flag |= NUM_F_FILLMODE;
- } else {
+ }
+ else
Np->Num->flag = 0;
- }
- Np->Num->flag |= NUM_F_ROMAN;
+ Np->Num->flag |= NUM_F_ROMAN;
}
-
+
/* ----------
* Sign
* ----------
*/
- if (type == FROM_CHAR) {
- Np->sign = FALSE;
- Np->sign_pos = -1;
- } else {
- Np->sign = sign;
-
- if (Np->sign != '-') {
+ if (type == FROM_CHAR)
+ {
+ Np->sign = FALSE;
+ Np->sign_pos = -1;
+ }
+ else
+ {
+ Np->sign = sign;
+
+ if (Np->sign != '-')
+ {
Np->Num->flag &= ~NUM_F_BRACKET;
Np->Num->flag &= ~NUM_F_MINUS;
- } else if (Np->sign != '+') {
- Np->Num->flag &= ~NUM_F_PLUS;
}
-
- if (Np->sign=='+' && IS_FILLMODE(Np->Num) && !IS_LSIGN(Np->Num))
- Np->sign_wrote = TRUE; /* needn't sign */
+ else if (Np->sign != '+')
+ Np->Num->flag &= ~NUM_F_PLUS;
+
+ if (Np->sign == '+' && IS_FILLMODE(Np->Num) && !IS_LSIGN(Np->Num))
+ Np->sign_wrote = TRUE; /* needn't sign */
else
- Np->sign_wrote = FALSE; /* need sign */
+ Np->sign_wrote = FALSE; /* need sign */
Np->sign_pos = -1;
-
+
if (Np->Num->lsign == NUM_LSIGN_PRE && Np->Num->pre == Np->Num->pre_lsign_num)
Np->Num->lsign = NUM_LSIGN_POST;
-
+
/* MI/PL/SG - write sign itself and not in number */
if (IS_PLUS(Np->Num) || IS_MINUS(Np->Num))
- Np->sign_wrote = TRUE; /* needn't sign */
+ Np->sign_wrote = TRUE; /* needn't sign */
}
/* ----------
* Count
* ----------
*/
- Np->num_count = Np->Num->post + Np->Num->pre -1;
+ Np->num_count = Np->Num->post + Np->Num->pre - 1;
- if (type == TO_CHAR) {
+ if (type == TO_CHAR)
+ {
Np->num_pre = plen;
- if (IS_FILLMODE(Np->Num)) {
+ if (IS_FILLMODE(Np->Num))
+ {
if (IS_DECIMAL(Np->Num))
Np->last_relevant = get_last_relevant_decnum(
- Np->number +
- ((Np->Num->zero_end - Np->num_pre > 0) ?
- Np->Num->zero_end - Np->num_pre : 0));
- }
-
- if (!Np->sign_wrote && Np->num_pre==0)
+ Np->number +
+ ((Np->Num->zero_end - Np->num_pre > 0) ?
+ Np->Num->zero_end - Np->num_pre : 0));
+ }
+
+ if (!Np->sign_wrote && Np->num_pre == 0)
++Np->num_count;
-
- if (!Np->sign_wrote) {
-
- /* ----------
- * Set SING position
- * ----------
- */
- if (Np->Num->lsign == NUM_LSIGN_POST) {
- Np->sign_pos = Np->num_count + (Np->num_pre ? 1 : 0);
-
- if (IS_DECIMAL(Np->Num)) /* decimal point correctio */
- ++Np->sign_pos;
- }
- else if (IS_ZERO(Np->Num) && Np->num_pre > Np->Num->zero_start)
- Np->sign_pos = Np->Num->zero_start ? Np->Num->zero_start : 0;
-
- else
- Np->sign_pos = Np->num_pre && !IS_FILLMODE(Np->Num) ? Np->num_pre : 0;
-
- /* ----------
- * terrible Ora format
- * ----------
- */
- if (!IS_ZERO(Np->Num) && *Np->number == '0' &&
- !IS_FILLMODE(Np->Num) && Np->Num->post!=0) {
-
- ++Np->sign_pos;
-
- if (IS_LSIGN(Np->Num)) {
- if (Np->Num->lsign == NUM_LSIGN_PRE)
- ++Np->sign_pos;
- else
- --Np->sign_pos;
- }
- }
- }
-
- } else {
+
+ if (!Np->sign_wrote)
+ {
+
+ /* ----------
+ * Set SING position
+ * ----------
+ */
+ if (Np->Num->lsign == NUM_LSIGN_POST)
+ {
+ Np->sign_pos = Np->num_count + (Np->num_pre ? 1 : 0);
+
+ if (IS_DECIMAL(Np->Num)) /* decimal point correctio */
+ ++Np->sign_pos;
+ }
+ else if (IS_ZERO(Np->Num) && Np->num_pre > Np->Num->zero_start)
+ Np->sign_pos = Np->Num->zero_start ? Np->Num->zero_start : 0;
+
+ else
+ Np->sign_pos = Np->num_pre && !IS_FILLMODE(Np->Num) ? Np->num_pre : 0;
+
+ /* ----------
+ * terrible Ora format
+ * ----------
+ */
+ if (!IS_ZERO(Np->Num) && *Np->number == '0' &&
+ !IS_FILLMODE(Np->Num) && Np->Num->post != 0)
+ {
+
+ ++Np->sign_pos;
+
+ if (IS_LSIGN(Np->Num))
+ {
+ if (Np->Num->lsign == NUM_LSIGN_PRE)
+ ++Np->sign_pos;
+ else
+ --Np->sign_pos;
+ }
+ }
+ }
+
+ }
+ else
+ {
Np->num_pre = 0;
- *Np->number = ' '; /* sign space */
- *(Np->number+1) = '\0';
- }
-
- Np->num_in = 0;
- Np->num_curr = 0;
-
-#ifdef DEBUG_TO_FROM_CHAR
- elog(DEBUG_elog_output,
-
- "\n\tNUM: '%s'\n\tPRE: %d\n\tPOST: %d\n\tNUM_COUNT: %d\n\tNUM_PRE: %d\n\tSIGN_POS: %d\n\tSIGN_WROTE: %s\n\tZERO: %s\n\tZERO_START: %d\n\tZERO_END: %d\n\tLAST_RELEVANT: %s",
- Np->number,
- Np->Num->pre,
- Np->Num->post,
- Np->num_count,
- Np->num_pre,
- Np->sign_pos,
- Np->sign_wrote ? "Yes" : "No",
- IS_ZERO(Np->Num) ? "Yes" : "No",
- Np->Num->zero_start,
- Np->Num->zero_end,
- Np->last_relevant ? Np->last_relevant : "<not set>"
- );
+ *Np->number = ' '; /* sign space */
+ *(Np->number + 1) = '\0';
+ }
+
+ Np->num_in = 0;
+ Np->num_curr = 0;
+
+#ifdef DEBUG_TO_FROM_CHAR
+ elog(DEBUG_elog_output,
+
+ "\n\tNUM: '%s'\n\tPRE: %d\n\tPOST: %d\n\tNUM_COUNT: %d\n\tNUM_PRE: %d\n\tSIGN_POS: %d\n\tSIGN_WROTE: %s\n\tZERO: %s\n\tZERO_START: %d\n\tZERO_END: %d\n\tLAST_RELEVANT: %s",
+ Np->number,
+ Np->Num->pre,
+ Np->Num->post,
+ Np->num_count,
+ Np->num_pre,
+ Np->sign_pos,
+ Np->sign_wrote ? "Yes" : "No",
+ IS_ZERO(Np->Num) ? "Yes" : "No",
+ Np->Num->zero_start,
+ Np->Num->zero_end,
+ Np->last_relevant ? Np->last_relevant : "<not set>"
+ );
#endif
/* ----------
* Processor direct cycle
* ----------
*/
- if (Np->type == FROM_CHAR)
- Np->number_p=Np->number+1; /* first char is space for sign */
+ if (Np->type == FROM_CHAR)
+ Np->number_p = Np->number + 1; /* first char is space for sign */
else if (Np->type == TO_CHAR)
- Np->number_p=Np->number;
+ Np->number_p = Np->number;
+
+ for (n = node, Np->inout_p = Np->inout; n->type != NODE_TYPE_END; n++)
+ {
- for(n=node, Np->inout_p=Np->inout; n->type != NODE_TYPE_END; n++) {
-
- if (Np->type == FROM_CHAR) {
+ if (Np->type == FROM_CHAR)
+ {
/* ----------
* Check non-string inout end
* ----------
*/
- if (Np->inout_p >= Np->inout + plen)
+ if (Np->inout_p >= Np->inout + plen)
break;
}
-
+
/* ----------
* Format pictures actions
* ----------
*/
- if (n->type == NODE_TYPE_ACTION) {
-
+ if (n->type == NODE_TYPE_ACTION)
+ {
+
/* ----------
- * Create/reading digit/zero/blank/sing
+ * Create/reading digit/zero/blank/sing
* ----------
*/
- switch( n->key->id ) {
-
- case NUM_9:
- case NUM_0:
- case NUM_DEC:
- case NUM_D:
- case NUM_S:
- case NUM_PR:
- if (Np->type == TO_CHAR) {
- NUM_numpart_to_char(Np, n->key->id);
- continue; /* for() */
- } else {
- NUM_numpart_from_char(Np, n->key->id, plen);
- break; /* switch() case: */
- }
-
- case NUM_COMMA:
- if (Np->type == TO_CHAR) {
- if (!Np->num_in) {
- if (IS_FILLMODE(Np->Num))
- continue;
+ switch (n->key->id)
+ {
+
+ case NUM_9:
+ case NUM_0:
+ case NUM_DEC:
+ case NUM_D:
+ case NUM_S:
+ case NUM_PR:
+ if (Np->type == TO_CHAR)
+ {
+ NUM_numpart_to_char(Np, n->key->id);
+ continue; /* for() */
+ }
+ else
+ {
+ NUM_numpart_from_char(Np, n->key->id, plen);
+ break; /* switch() case: */
+ }
+
+ case NUM_COMMA:
+ if (Np->type == TO_CHAR)
+ {
+ if (!Np->num_in)
+ {
+ if (IS_FILLMODE(Np->Num))
+ continue;
+ else
+ *Np->inout_p = ' ';
+ }
else
- *Np->inout_p= ' ';
- } else
- *Np->inout_p = ',';
-
- } else if (Np->type == FROM_CHAR) {
- if (!Np->num_in) {
- if (IS_FILLMODE(Np->Num))
- continue;
+ *Np->inout_p = ',';
+
}
- }
- break;
-
- case NUM_G:
- if (Np->type == TO_CHAR) {
- if (!Np->num_in) {
- if (IS_FILLMODE(Np->Num))
- continue;
- else {
- int x = strlen(Np->L_thousands_sep);
- memset(Np->inout_p, ' ', x);
- Np->inout_p += x-1;
+ else if (Np->type == FROM_CHAR)
+ {
+ if (!Np->num_in)
+ {
+ if (IS_FILLMODE(Np->Num))
+ continue;
}
- } else {
- strcpy(Np->inout_p, Np->L_thousands_sep);
- Np->inout_p += strlen(Np->inout_p)-1;
}
-
- } else if (Np->type == FROM_CHAR) {
- if (!Np->num_in) {
- if (IS_FILLMODE(Np->Num))
- continue;
+ break;
+
+ case NUM_G:
+ if (Np->type == TO_CHAR)
+ {
+ if (!Np->num_in)
+ {
+ if (IS_FILLMODE(Np->Num))
+ continue;
+ else
+ {
+ int x = strlen(Np->L_thousands_sep);
+
+ memset(Np->inout_p, ' ', x);
+ Np->inout_p += x - 1;
+ }
+ }
+ else
+ {
+ strcpy(Np->inout_p, Np->L_thousands_sep);
+ Np->inout_p += strlen(Np->inout_p) - 1;
+ }
+
+ }
+ else if (Np->type == FROM_CHAR)
+ {
+ if (!Np->num_in)
+ {
+ if (IS_FILLMODE(Np->Num))
+ continue;
+ }
+ Np->inout_p += strlen(Np->L_thousands_sep) - 1;
+ }
+ break;
+
+ case NUM_L:
+ if (Np->type == TO_CHAR)
+ {
+ strcpy(Np->inout_p, Np->L_currency_symbol);
+ Np->inout_p += strlen(Np->inout_p) - 1;
+
+ }
+ else if (Np->type == FROM_CHAR)
+ Np->inout_p += strlen(Np->L_currency_symbol) - 1;
+ break;
+
+ case NUM_RN:
+ if (IS_FILLMODE(Np->Num))
+ {
+ strcpy(Np->inout_p, Np->number_p);
+ Np->inout_p += strlen(Np->inout_p) - 1;
}
- Np->inout_p += strlen(Np->L_thousands_sep)-1;
- }
- break;
-
- case NUM_L:
- if (Np->type == TO_CHAR) {
- strcpy(Np->inout_p, Np->L_currency_symbol);
- Np->inout_p += strlen(Np->inout_p)-1;
-
- } else if (Np->type == FROM_CHAR) {
- Np->inout_p += strlen(Np->L_currency_symbol)-1;
- }
- break;
-
- case NUM_RN:
- if (IS_FILLMODE(Np->Num)) {
- strcpy(Np->inout_p, Np->number_p);
- Np->inout_p += strlen(Np->inout_p) - 1;
- } else
- Np->inout_p += sprintf(Np->inout_p, "%15s", Np->number_p) -1;
- break;
-
- case NUM_rn:
- if (IS_FILLMODE(Np->Num)) {
- strcpy(Np->inout_p, str_tolower(Np->number_p));
- Np->inout_p += strlen(Np->inout_p) - 1;
- } else
- Np->inout_p += sprintf(Np->inout_p, "%15s", str_tolower(Np->number_p)) -1;
- break;
-
- case NUM_th:
- if (IS_ROMAN(Np->Num) || *Np->number=='#' ||
- Np->sign=='-' || IS_DECIMAL(Np->Num))
- continue;
-
- if (Np->type == TO_CHAR)
- strcpy(Np->inout_p, get_th(Np->number, TH_LOWER));
- Np->inout_p += 1;
- break;
-
- case NUM_TH:
- if (IS_ROMAN(Np->Num) || *Np->number=='#' ||
- Np->sign=='-' || IS_DECIMAL(Np->Num))
- continue;
-
- if (Np->type == TO_CHAR)
- strcpy(Np->inout_p, get_th(Np->number, TH_UPPER));
- Np->inout_p += 1;
- break;
-
- case NUM_MI:
- if (Np->type == TO_CHAR) {
- if (Np->sign=='-')
- *Np->inout_p = '-';
- else
- *Np->inout_p = ' ';
-
- } else if (Np->type == FROM_CHAR) {
- if (*Np->inout_p == '-')
- *Np->number = '-';
- }
- break;
-
- case NUM_PL:
- if (Np->type == TO_CHAR) {
- if (Np->sign=='+')
- *Np->inout_p = '+';
else
- *Np->inout_p = ' ';
-
- } else if (Np->type == FROM_CHAR) {
- if (*Np->inout_p == '+')
- *Np->number = '+';
- }
- break;
-
- case NUM_SG:
- if (Np->type == TO_CHAR)
- *Np->inout_p = Np->sign;
-
- else if (Np->type == FROM_CHAR) {
- if (*Np->inout_p == '-')
- *Np->number = '-';
- else if (*Np->inout_p == '+')
- *Np->number = '+';
- }
- break;
-
-
- default:
- continue;
- break;
+ Np->inout_p += sprintf(Np->inout_p, "%15s", Np->number_p) - 1;
+ break;
+
+ case NUM_rn:
+ if (IS_FILLMODE(Np->Num))
+ {
+ strcpy(Np->inout_p, str_tolower(Np->number_p));
+ Np->inout_p += strlen(Np->inout_p) - 1;
+ }
+ else
+ Np->inout_p += sprintf(Np->inout_p, "%15s", str_tolower(Np->number_p)) - 1;
+ break;
+
+ case NUM_th:
+ if (IS_ROMAN(Np->Num) || *Np->number == '#' ||
+ Np->sign == '-' || IS_DECIMAL(Np->Num))
+ continue;
+
+ if (Np->type == TO_CHAR)
+ strcpy(Np->inout_p, get_th(Np->number, TH_LOWER));
+ Np->inout_p += 1;
+ break;
+
+ case NUM_TH:
+ if (IS_ROMAN(Np->Num) || *Np->number == '#' ||
+ Np->sign == '-' || IS_DECIMAL(Np->Num))
+ continue;
+
+ if (Np->type == TO_CHAR)
+ strcpy(Np->inout_p, get_th(Np->number, TH_UPPER));
+ Np->inout_p += 1;
+ break;
+
+ case NUM_MI:
+ if (Np->type == TO_CHAR)
+ {
+ if (Np->sign == '-')
+ *Np->inout_p = '-';
+ else
+ *Np->inout_p = ' ';
+
+ }
+ else if (Np->type == FROM_CHAR)
+ {
+ if (*Np->inout_p == '-')
+ *Np->number = '-';
+ }
+ break;
+
+ case NUM_PL:
+ if (Np->type == TO_CHAR)
+ {
+ if (Np->sign == '+')
+ *Np->inout_p = '+';
+ else
+ *Np->inout_p = ' ';
+
+ }
+ else if (Np->type == FROM_CHAR)
+ {
+ if (*Np->inout_p == '+')
+ *Np->number = '+';
+ }
+ break;
+
+ case NUM_SG:
+ if (Np->type == TO_CHAR)
+ *Np->inout_p = Np->sign;
+
+ else if (Np->type == FROM_CHAR)
+ {
+ if (*Np->inout_p == '-')
+ *Np->number = '-';
+ else if (*Np->inout_p == '+')
+ *Np->number = '+';
+ }
+ break;
+
+
+ default:
+ continue;
+ break;
}
- } else {
+ }
+ else
+ {
/* ----------
* Remove to output char from input in TO_CHAR
* ----------
if (Np->type == TO_CHAR)
*Np->inout_p = n->character;
}
- Np->inout_p++;
+ Np->inout_p++;
}
-
- if (Np->type == TO_CHAR) {
+
+ if (Np->type == TO_CHAR)
+ {
*Np->inout_p = '\0';
- return Np->inout;
-
- } else if (Np->type == FROM_CHAR) {
-
- if (*(Np->number_p-1) == '.')
- *(Np->number_p-1) = '\0';
+ return Np->inout;
+
+ }
+ else if (Np->type == FROM_CHAR)
+ {
+
+ if (*(Np->number_p - 1) == '.')
+ *(Np->number_p - 1) = '\0';
else
*Np->number_p = '\0';
-
+
/* ----------
* Correction - precision of dec. number
* ----------
*/
- Np->Num->post = Np->read_post;
+ Np->Num->post = Np->read_post;
#ifdef DEBUG_TO_FROM_CHAR
- elog(DEBUG_elog_output, "TO_NUMBER (number): '%s'", Np->number);
+ elog(DEBUG_elog_output, "TO_NUMBER (number): '%s'", Np->number);
#endif
return Np->number;
- } else
- return NULL;
-
- return NULL;
+ }
+ else
+ return NULL;
+
+ return NULL;
}
/* ----------
if (!PointerIsValid(fmt)) \
return NULL; \
\
- len = VARSIZE(fmt) - VARHDRSZ; \
+ len = VARSIZE(fmt) - VARHDRSZ; \
\
- if (!len) \
+ if (!len) \
return textin(""); \
\
result = (text *) palloc( (len * NUM_MAX_ITEM_SIZ) + 1 + VARHDRSZ); \
- format = NUM_cache(len, &Num, VARDATA(fmt), &flag); \
+ format = NUM_cache(len, &Num, VARDATA(fmt), &flag); \
}
/* ----------
*/
#define NUM_TOCHAR_finish { \
\
- NUM_processor(format, &Num, VARDATA(result), \
+ NUM_processor(format, &Num, VARDATA(result), \
numstr, plen, sign, TO_CHAR); \
pfree(orgnum); \
\
if (flag) \
pfree(format); \
\
- /* ---------- \
+ /* ---------- \
* for result is allocated max memory, which current format-picture\
* needs, now it must be re-allocate to result real size \
* ---------- \
*/ \
- len = strlen(VARDATA(result)); \
- result_tmp = result; \
- result = (text *) palloc( len + 1 + VARHDRSZ); \
+ len = strlen(VARDATA(result)); \
+ result_tmp = result; \
+ result = (text *) palloc( len + 1 + VARHDRSZ); \
\
- strcpy( VARDATA(result), VARDATA(result_tmp)); \
- VARSIZE(result) = len + VARHDRSZ; \
+ strcpy( VARDATA(result), VARDATA(result_tmp)); \
+ VARSIZE(result) = len + VARHDRSZ; \
pfree(result_tmp); \
}
/* -------------------
- * NUMERIC to_number() (convert string to numeric)
+ * NUMERIC to_number() (convert string to numeric)
* -------------------
*/
-Numeric
+Numeric
numeric_to_number(text *value, text *fmt)
{
- NUMDesc Num;
- Numeric result;
- FormatNode *format;
- char *numstr;
- int flag=0;
- int len=0;
-
- int scale, precision;
-
+ NUMDesc Num;
+ Numeric result;
+ FormatNode *format;
+ char *numstr;
+ int flag = 0;
+ int len = 0;
+
+ int scale,
+ precision;
+
if ((!PointerIsValid(value)) || (!PointerIsValid(fmt)))
- return NULL;
+ return NULL;
+
+ len = VARSIZE(fmt) - VARHDRSZ;
+
+ if (!len)
+ return numeric_in(NULL, 0, 0);
- len = VARSIZE(fmt) - VARHDRSZ;
-
- if (!len)
- return numeric_in(NULL, 0, 0);
-
format = NUM_cache(len, &Num, VARDATA(fmt), &flag);
-
- numstr = (char *) palloc( (len * NUM_MAX_ITEM_SIZ) + 1);
-
- NUM_processor(format, &Num, VARDATA(value), numstr,
- VARSIZE(value) - VARHDRSZ, 0, FROM_CHAR);
-
+
+ numstr = (char *) palloc((len * NUM_MAX_ITEM_SIZ) + 1);
+
+ NUM_processor(format, &Num, VARDATA(value), numstr,
+ VARSIZE(value) - VARHDRSZ, 0, FROM_CHAR);
+
scale = Num.post;
precision = MAX(0, Num.pre) + scale;
if (flag)
pfree(format);
-
- result = numeric_in(numstr, 0, ((precision << 16) | scale) + VARHDRSZ);
+
+ result = numeric_in(numstr, 0, ((precision << 16) | scale) + VARHDRSZ);
pfree(numstr);
return result;
}
/* ------------------
* NUMERIC to_char()
* ------------------
- */
+ */
text *
numeric_to_char(Numeric value, text *fmt)
{
- NUMDesc Num;
- FormatNode *format;
- text *result, *result_tmp;
- int flag=0;
- int len=0, plen=0, sign=0;
- char *numstr, *orgnum, *p;
- Numeric x = NULL;
+ NUMDesc Num;
+ FormatNode *format;
+ text *result,
+ *result_tmp;
+ int flag = 0;
+ int len = 0,
+ plen = 0,
+ sign = 0;
+ char *numstr,
+ *orgnum,
+ *p;
+ Numeric x = NULL;
NUM_TOCHAR_prepare;
* On DateType depend part (numeric)
* ----------
*/
- if (IS_ROMAN(&Num)) {
+ if (IS_ROMAN(&Num))
+ {
x = numeric_round(value, 0);
- numstr = orgnum = int_to_roman( numeric_int4( x ));
- pfree(x);
-
- } else {
- Numeric val = value;
-
- if (IS_MULTI(&Num)) {
- Numeric a = int4_numeric(10);
- Numeric b = int4_numeric(Num.multi);
-
+ numstr = orgnum = int_to_roman(numeric_int4(x));
+ pfree(x);
+
+ }
+ else
+ {
+ Numeric val = value;
+
+ if (IS_MULTI(&Num))
+ {
+ Numeric a = int4_numeric(10);
+ Numeric b = int4_numeric(Num.multi);
+
x = numeric_power(a, b);
- val = numeric_mul(value, x);
+ val = numeric_mul(value, x);
pfree(x);
pfree(a);
pfree(b);
Num.pre += Num.multi;
}
-
+
x = numeric_round(val, Num.post);
- orgnum = numeric_out( x );
+ orgnum = numeric_out(x);
pfree(x);
-
- if (*orgnum == '-') { /* < 0 */
+
+ if (*orgnum == '-')
+ { /* < 0 */
sign = '-';
- numstr = orgnum+1;
- } else {
+ numstr = orgnum + 1;
+ }
+ else
+ {
sign = '+';
numstr = orgnum;
}
if ((p = strchr(numstr, '.')))
- len = p - numstr;
+ len = p - numstr;
else
len = strlen(numstr);
-
- if (Num.pre > len)
+
+ if (Num.pre > len)
plen = Num.pre - len;
-
- else if (len > Num.pre) {
+
+ else if (len > Num.pre)
+ {
fill_str(numstr, '#', Num.pre);
*(numstr + Num.pre) = '.';
fill_str(numstr + 1 + Num.pre, '#', Num.post);
}
-
+
if (IS_MULTI(&Num))
- pfree(val);
- }
+ pfree(val);
+ }
NUM_TOCHAR_finish;
return result;
/* ---------------
* INT4 to_char()
* ---------------
- */
+ */
text *
int4_to_char(int32 value, text *fmt)
{
- NUMDesc Num;
- FormatNode *format;
- text *result, *result_tmp;
- int flag=0;
- int len=0, plen=0, sign=0;
- char *numstr, *orgnum;
+ NUMDesc Num;
+ FormatNode *format;
+ text *result,
+ *result_tmp;
+ int flag = 0;
+ int len = 0,
+ plen = 0,
+ sign = 0;
+ char *numstr,
+ *orgnum;
NUM_TOCHAR_prepare;
* On DateType depend part (int32)
* ----------
*/
- if (IS_ROMAN(&Num)) {
- numstr = orgnum = int_to_roman( value );
-
- } else {
- if (IS_MULTI(&Num)) {
- orgnum = int4out(int4mul(value, (int32) pow( (double)10, (double) Num.multi)));
+ if (IS_ROMAN(&Num))
+ {
+ numstr = orgnum = int_to_roman(value);
+
+ }
+ else
+ {
+ if (IS_MULTI(&Num))
+ {
+ orgnum = int4out(int4mul(value, (int32) pow((double) 10, (double) Num.multi)));
Num.pre += Num.multi;
- } else
+ }
+ else
orgnum = int4out(value);
- len = strlen(orgnum);
-
- if (*orgnum == '-') { /* < 0 */
+ len = strlen(orgnum);
+
+ if (*orgnum == '-')
+ { /* < 0 */
sign = '-';
- --len;
- } else
+ --len;
+ }
+ else
sign = '+';
-
- if (Num.post) {
- int i;
-
- numstr = palloc( len + 1 + Num.post );
+
+ if (Num.post)
+ {
+ int i;
+
+ numstr = palloc(len + 1 + Num.post);
strcpy(numstr, orgnum + (*orgnum == '-' ? 1 : 0));
- *(numstr + len) = '.';
-
- for(i=len+1; i<=Num.post+len+1; i++)
- *(numstr+i) = '0';
- *(numstr + Num.post + len + 1) = '\0';
+ *(numstr + len) = '.';
+
+ for (i = len + 1; i <= Num.post + len + 1; i++)
+ *(numstr + i) = '0';
+ *(numstr + Num.post + len + 1) = '\0';
pfree(orgnum);
- orgnum = numstr;
- } else
+ orgnum = numstr;
+ }
+ else
numstr = orgnum + (*orgnum == '-' ? 1 : 0);
-
- if (Num.pre > len)
- plen = Num.pre - len;
- else if (len > Num.pre) {
+
+ if (Num.pre > len)
+ plen = Num.pre - len;
+ else if (len > Num.pre)
+ {
fill_str(numstr, '#', Num.pre);
*(numstr + Num.pre) = '.';
fill_str(numstr + 1 + Num.pre, '#', Num.post);
/* ---------------
* INT8 to_char()
* ---------------
- */
+ */
text *
int8_to_char(int64 *value, text *fmt)
{
- NUMDesc Num;
- FormatNode *format;
- text *result, *result_tmp;
- int flag=0;
- int len=0, plen=0, sign=0;
- char *numstr, *orgnum;
+ NUMDesc Num;
+ FormatNode *format;
+ text *result,
+ *result_tmp;
+ int flag = 0;
+ int len = 0,
+ plen = 0,
+ sign = 0;
+ char *numstr,
+ *orgnum;
NUM_TOCHAR_prepare;
* On DateType depend part (int32)
* ----------
*/
- if (IS_ROMAN(&Num)) {
- numstr = orgnum = int_to_roman( int84( value ));
-
- } else {
- if (IS_MULTI(&Num)) {
- double multi = pow( (double)10, (double) Num.multi);
- orgnum = int8out( int8mul(value, dtoi8( (float64) &multi )));
+ if (IS_ROMAN(&Num))
+ {
+ numstr = orgnum = int_to_roman(int84(value));
+
+ }
+ else
+ {
+ if (IS_MULTI(&Num))
+ {
+ double multi = pow((double) 10, (double) Num.multi);
+
+ orgnum = int8out(int8mul(value, dtoi8((float64) &multi)));
Num.pre += Num.multi;
- } else
+ }
+ else
orgnum = int8out(value);
- len = strlen(orgnum);
-
- if (*orgnum == '-') { /* < 0 */
+ len = strlen(orgnum);
+
+ if (*orgnum == '-')
+ { /* < 0 */
sign = '-';
- --len;
- } else
+ --len;
+ }
+ else
sign = '+';
-
- if (Num.post) {
- int i;
-
- numstr = palloc( len + 1 + Num.post );
+
+ if (Num.post)
+ {
+ int i;
+
+ numstr = palloc(len + 1 + Num.post);
strcpy(numstr, orgnum + (*orgnum == '-' ? 1 : 0));
- *(numstr + len) = '.';
-
- for(i=len+1; i<=Num.post+len+1; i++)
- *(numstr+i) = '0';
- *(numstr + Num.post + len + 1) = '\0';
+ *(numstr + len) = '.';
+
+ for (i = len + 1; i <= Num.post + len + 1; i++)
+ *(numstr + i) = '0';
+ *(numstr + Num.post + len + 1) = '\0';
pfree(orgnum);
- orgnum = numstr;
- } else
+ orgnum = numstr;
+ }
+ else
numstr = orgnum + (*orgnum == '-' ? 1 : 0);
-
- if (Num.pre > len)
- plen = Num.pre - len;
- else if (len > Num.pre) {
+
+ if (Num.pre > len)
+ plen = Num.pre - len;
+ else if (len > Num.pre)
+ {
fill_str(numstr, '#', Num.pre);
*(numstr + Num.pre) = '.';
fill_str(numstr + 1 + Num.pre, '#', Num.post);
- }
+ }
}
-
+
NUM_TOCHAR_finish;
return result;
}
/* -----------------
* FLOAT4 to_char()
* -----------------
- */
+ */
text *
float4_to_char(float32 value, text *fmt)
{
- NUMDesc Num;
- FormatNode *format;
- text *result, *result_tmp;
- int flag=0;
- int len=0, plen=0, sign=0;
- char *numstr, *orgnum, *p;
+ NUMDesc Num;
+ FormatNode *format;
+ text *result,
+ *result_tmp;
+ int flag = 0;
+ int len = 0,
+ plen = 0,
+ sign = 0;
+ char *numstr,
+ *orgnum,
+ *p;
NUM_TOCHAR_prepare;
- if (IS_ROMAN(&Num)) {
- numstr = orgnum = int_to_roman( (int) rint( *value ));
-
- } else {
- float32 val = value;
-
- if (IS_MULTI(&Num)) {
- float multi = pow( (double) 10, (double) Num.multi);
+ if (IS_ROMAN(&Num))
+ {
+ numstr = orgnum = int_to_roman((int) rint(*value));
+
+ }
+ else
+ {
+ float32 val = value;
+
+ if (IS_MULTI(&Num))
+ {
+ float multi = pow((double) 10, (double) Num.multi);
+
val = float4mul(value, (float32) &multi);
Num.pre += Num.multi;
- }
-
+ }
+
orgnum = (char *) palloc(MAXFLOATWIDTH + 1);
- len = sprintf(orgnum, "%.0f", fabs(*val));
+ len = sprintf(orgnum, "%.0f", fabs(*val));
if (Num.pre > len)
plen = Num.pre - len;
if (len >= FLT_DIG)
- Num.post = 0;
+ Num.post = 0;
else if (Num.post + len > FLT_DIG)
- Num.post = FLT_DIG - len;
+ Num.post = FLT_DIG - len;
sprintf(orgnum, "%.*f", Num.post, *val);
-
- if (*orgnum == '-') { /* < 0 */
+
+ if (*orgnum == '-')
+ { /* < 0 */
sign = '-';
- numstr = orgnum+1;
- } else {
+ numstr = orgnum + 1;
+ }
+ else
+ {
sign = '+';
numstr = orgnum;
}
if ((p = strchr(numstr, '.')))
- len = p - numstr;
- else
+ len = p - numstr;
+ else
len = strlen(numstr);
-
- if (Num.pre > len)
+
+ if (Num.pre > len)
plen = Num.pre - len;
-
- else if (len > Num.pre) {
+
+ else if (len > Num.pre)
+ {
fill_str(numstr, '#', Num.pre);
*(numstr + Num.pre) = '.';
fill_str(numstr + 1 + Num.pre, '#', Num.post);
- }
+ }
}
-
+
NUM_TOCHAR_finish;
return result;
}
/* -----------------
* FLOAT8 to_char()
* -----------------
- */
+ */
text *
float8_to_char(float64 value, text *fmt)
{
- NUMDesc Num;
- FormatNode *format;
- text *result, *result_tmp;
- int flag=0;
- int len=0, plen=0, sign=0;
- char *numstr, *orgnum, *p;
+ NUMDesc Num;
+ FormatNode *format;
+ text *result,
+ *result_tmp;
+ int flag = 0;
+ int len = 0,
+ plen = 0,
+ sign = 0;
+ char *numstr,
+ *orgnum,
+ *p;
NUM_TOCHAR_prepare;
- if (IS_ROMAN(&Num)) {
- numstr = orgnum = int_to_roman( (int) rint( *value ));
-
- } else {
- float64 val = value;
-
- if (IS_MULTI(&Num)) {
- double multi = pow( (double) 10, (double) Num.multi);
+ if (IS_ROMAN(&Num))
+ {
+ numstr = orgnum = int_to_roman((int) rint(*value));
+
+ }
+ else
+ {
+ float64 val = value;
+
+ if (IS_MULTI(&Num))
+ {
+ double multi = pow((double) 10, (double) Num.multi);
+
val = float8mul(value, (float64) &multi);
Num.pre += Num.multi;
- }
+ }
orgnum = (char *) palloc(MAXDOUBLEWIDTH + 1);
- len = sprintf(orgnum, "%.0f", fabs(*val));
+ len = sprintf(orgnum, "%.0f", fabs(*val));
if (Num.pre > len)
plen = Num.pre - len;
if (len >= DBL_DIG)
- Num.post = 0;
+ Num.post = 0;
else if (Num.post + len > DBL_DIG)
- Num.post = DBL_DIG - len;
+ Num.post = DBL_DIG - len;
sprintf(orgnum, "%.*f", Num.post, *val);
-
- if (*orgnum == '-') { /* < 0 */
+
+ if (*orgnum == '-')
+ { /* < 0 */
sign = '-';
- numstr = orgnum+1;
- } else {
+ numstr = orgnum + 1;
+ }
+ else
+ {
sign = '+';
numstr = orgnum;
}
if ((p = strchr(numstr, '.')))
- len = p - numstr;
+ len = p - numstr;
else
len = strlen(numstr);
-
- if (Num.pre > len)
+
+ if (Num.pre > len)
plen = Num.pre - len;
-
- else if (len > Num.pre) {
+
+ else if (len > Num.pre)
+ {
fill_str(numstr, '#', Num.pre);
*(numstr + Num.pre) = '.';
fill_str(numstr + 1 + Num.pre, '#', Num.post);
- }
+ }
}
-
+
NUM_TOCHAR_finish;
return result;
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/geo_ops.c,v 1.49 2000/03/14 23:06:36 thomas Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/geo_ops.c,v 1.50 2000/04/12 17:15:50 momjian Exp $
*
*-------------------------------------------------------------------------
*/
/* use "mx - y + yinter = 0" */
result->A = m;
result->B = -1.0;
- if (m==DBL_MAX)
+ if (m == DBL_MAX)
result->C = pt->y;
else
result->C = pt->y - m * pt->x;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/geo_selfuncs.c,v 1.13 2000/02/17 03:39:42 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/geo_selfuncs.c,v 1.14 2000/04/12 17:15:50 momjian Exp $
*
* XXX These are totally bogus. Perhaps someone will make them do
* something reasonable, someday.
* In general, rtrees need to search multiple subtrees in order to guarantee
* that all occurrences of the same key have been found. Because of this,
* the estimated cost for scanning the index ought to be higher than the
- * output selectivity would indicate. rtcostestimate(), over in selfuncs.c,
+ * output selectivity would indicate. rtcostestimate(), over in selfuncs.c,
* ought to be adjusted accordingly --- but until we can generate somewhat
* realistic numbers here, it hardly matters...
*/
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/int.c,v 1.35 2000/03/14 23:06:36 thomas Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/int.c,v 1.36 2000/04/12 17:15:50 momjian Exp $
*
*-------------------------------------------------------------------------
*/
result = (int16 *) palloc(sizeof(int16[INDEX_MAX_KEYS]));
- for (slot=0; *intString && slot < INDEX_MAX_KEYS; slot++)
+ for (slot = 0; *intString && slot < INDEX_MAX_KEYS; slot++)
{
if (sscanf(intString, "%hd", &result[slot]) != 1)
break;
while (*intString && isspace(*intString))
intString++;
if (*intString)
- elog(ERROR,"int2vector value has too many values");
+ elog(ERROR, "int2vector value has too many values");
while (slot < INDEX_MAX_KEYS)
result[slot++] = 0;
char *
int2vectorout(int16 *int2Array)
{
- int num, maxnum;
+ int num,
+ maxnum;
char *rp;
char *result;
}
/* find last non-zero value in vector */
- for (maxnum = INDEX_MAX_KEYS-1; maxnum >= 0; maxnum--)
+ for (maxnum = INDEX_MAX_KEYS - 1; maxnum >= 0; maxnum--)
if (int2Array[maxnum] != 0)
break;
/* assumes sign, 5 digits, ' ' */
- rp = result = (char *) palloc((maxnum+1) * 7 + 1);
+ rp = result = (char *) palloc((maxnum + 1) * 7 + 1);
for (num = 0; num <= maxnum; num++)
{
if (num != 0)
int32
int4abs(int32 arg1)
{
- return ((arg1 < 0)? -arg1: arg1);
+ return ((arg1 < 0) ? -arg1 : arg1);
}
int16
int2abs(int16 arg1)
{
- return ((arg1 < 0)? -arg1: arg1);
+ return ((arg1 < 0) ? -arg1 : arg1);
}
int16
elog(ERROR, "Bad int8 external representation \"%s\"", str);
while (*ptr && isdigit(*ptr)) /* process digits */
{
- int64 newtmp = tmp * 10 + (*ptr++ - '0');
+ int64 newtmp = tmp * 10 + (*ptr++ - '0');
if ((newtmp / 10) != tmp) /* overflow? */
- elog(ERROR,"int8 value out of range: \"%s\"", str);
+ elog(ERROR, "int8 value out of range: \"%s\"", str);
tmp = newtmp;
}
if (*ptr) /* trailing junk? */
result = palloc(sizeof(*result));
- *result = ((*arg1 < 0)? -*arg1: *arg1);
+ *result = ((*arg1 < 0) ? -*arg1 : *arg1);
return result;
}
int8fac(int64 *arg1)
{
int64 *result;
- int64 i;
+ int64 i;
if (!PointerIsValid(arg1))
return NULL;
#if NOT_USED
int64 *
-int2vector (int16 val)
+int2vector (int16 val)
{
int64 *result;
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/like.c,v 1.33 2000/01/26 05:57:14 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/like.c,v 1.34 2000/04/12 17:15:50 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static int
DoMatch(pg_wchar * text, pg_wchar * p)
{
- for (; *p && *text; text++, p++)
+ for (; *p && *text; text ++, p++)
{
switch (*p)
{
p++;
/* FALLTHROUGH */
default:
- if (*text != *p)
+ if (*text !=*p)
return LIKE_FALSE;
break;
case '_':
/* Trailing percent matches everything. */
if (*p == '\0')
return LIKE_TRUE;
- /* Otherwise, scan for a text position at which we
- * can match the rest of the pattern.
+
+ /*
+ * Otherwise, scan for a text position at which we can
+ * match the rest of the pattern.
*/
- for (; *text; text++)
+ for (; *text; text ++)
{
- /* Optimization to prevent most recursion: don't recurse
- * unless first pattern char might match this text char.
+
+ /*
+ * Optimization to prevent most recursion: don't
+ * recurse unless first pattern char might match this
+ * text char.
*/
if (*text == *p || *p == '\\' || *p == '_')
{
- int matched = DoMatch(text, p);
+ int matched = DoMatch(text, p);
+
if (matched != LIKE_FALSE)
- return matched; /* TRUE or ABORT */
+ return matched; /* TRUE or ABORT */
}
}
- /* End of text with no match, so no point in trying later
+
+ /*
+ * End of text with no match, so no point in trying later
* places to start matching this pattern.
*/
return LIKE_ABORT;
}
}
- if (*text != '\0')
+ if (*text !='\0')
return LIKE_FALSE; /* end of pattern, but not of text */
/* End of input string. Do we have matching pattern remaining? */
p++;
if (*p == '\0')
return LIKE_TRUE;
- /* End of text with no match, so no point in trying later
- * places to start matching this pattern.
+
+ /*
+ * End of text with no match, so no point in trying later places to
+ * start matching this pattern.
*/
return LIKE_ABORT;
}
/* ----------
* lztext.c -
*
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/lztext.c,v 1.5 1999/12/28 13:40:48 wieck Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/lztext.c,v 1.6 2000/04/12 17:15:50 momjian Exp $
*
* Text type with internal LZ compressed representation. Uses the
* standard PostgreSQL compression method.
lztext *
lztextin(char *str)
{
- lztext *result;
- int32 rawsize;
- lztext *tmp;
- int tmp_size;
+ lztext *result;
+ int32 rawsize;
+ lztext *tmp;
+ int tmp_size;
/* ----------
* Handle NULL
* sequence.
* ----------
*/
- if (tmp_size - tmp->varsize < 256 ||
- tmp_size - tmp->varsize < tmp_size / 4)
- {
+ if (tmp_size - tmp->varsize < 256 ||
+ tmp_size - tmp->varsize < tmp_size / 4)
result = tmp;
- } else {
+ else
+ {
result = (lztext *) palloc(tmp->varsize);
memcpy(result, tmp, tmp->varsize);
pfree(tmp);
char *
lztextout(lztext *lz)
{
- char *result;
+ char *result;
/* ----------
* Handle NULL
lztextlen(lztext *lz)
{
#ifdef MULTIBYTE
- unsigned char *s1,*s2;
- int len;
- int l;
- int wl;
+ unsigned char *s1,
+ *s2;
+ int len;
+ int l;
+ int wl;
+
#endif
/* ----------
* Handle NULL
#ifdef MULTIBYTE
len = 0;
- s1 = s2 = (unsigned char *)lztextout(lz);
+ s1 = s2 = (unsigned char *) lztextout(lz);
l = PGLZ_RAW_SIZE(lz);
while (l > 0)
{
s1 += wl;
len++;
}
- pfree((char *)s2);
+ pfree((char *) s2);
return (len);
#else
/* ----------
lztext *
text_lztext(text *txt)
{
- lztext *result;
- int32 rawsize;
- lztext *tmp;
- int tmp_size;
- char *str;
+ lztext *result;
+ int32 rawsize;
+ lztext *tmp;
+ int tmp_size;
+ char *str;
/* ----------
* Handle NULL
* Determine input size and eventually tuple size
* ----------
*/
- rawsize = VARSIZE(txt) - VARHDRSZ;
- str = VARDATA(txt);
+ rawsize = VARSIZE(txt) - VARHDRSZ;
+ str = VARDATA(txt);
tmp_size = PGLZ_MAX_OUTPUT(rawsize);
/* ----------
* sequence.
* ----------
*/
- if (tmp_size - tmp->varsize < 256 ||
- tmp_size - tmp->varsize < tmp_size / 4)
- {
+ if (tmp_size - tmp->varsize < 256 ||
+ tmp_size - tmp->varsize < tmp_size / 4)
result = tmp;
- } else {
+ else
+ {
result = (lztext *) palloc(tmp->varsize);
memcpy(result, tmp, tmp->varsize);
pfree(tmp);
{
#ifdef USE_LOCALE
- char *cp1;
- char *cp2;
- int result;
+ char *cp1;
+ char *cp2;
+ int result;
if (lz1 == NULL || lz2 == NULL)
- return (int32)0;
+ return (int32) 0;
cp1 = lztextout(lz1);
cp2 = lztextout(lz2);
return result;
-#else /* !USE_LOCALE */
+#else /* !USE_LOCALE */
- PGLZ_DecompState ds1;
- PGLZ_DecompState ds2;
- int c1;
- int c2;
- int32 result = (int32)0;
+ PGLZ_DecompState ds1;
+ PGLZ_DecompState ds2;
+ int c1;
+ int c2;
+ int32 result = (int32) 0;
if (lz1 == NULL || lz2 == NULL)
- return (int32)0;
+ return (int32) 0;
pglz_decomp_init(&ds1, lz1);
pglz_decomp_init(&ds2, lz2);
- for(;;)
+ for (;;)
{
c1 = pglz_decomp_getchar(&ds1);
c2 = pglz_decomp_getchar(&ds2);
if (c1 == EOF)
{
if (c2 != EOF)
- result = (int32)-1;
+ result = (int32) -1;
break;
- } else {
+ }
+ else
+ {
if (c2 == EOF)
- {
- result = (int32)1;
- }
+ result = (int32) 1;
}
if (c1 != c2)
{
- result = (int32)(c1 - c2);
+ result = (int32) (c1 - c2);
break;
}
}
return result;
-#endif /* USE_LOCALE */
+#endif /* USE_LOCALE */
}
if (lz1 == NULL || lz2 == NULL)
return false;
- return (bool)(lztext_cmp(lz1, lz2) == 0);
+ return (bool) (lztext_cmp(lz1, lz2) == 0);
}
if (lz1 == NULL || lz2 == NULL)
return false;
- return (bool)(lztext_cmp(lz1, lz2) != 0);
+ return (bool) (lztext_cmp(lz1, lz2) != 0);
}
if (lz1 == NULL || lz2 == NULL)
return false;
- return (bool)(lztext_cmp(lz1, lz2) > 0);
+ return (bool) (lztext_cmp(lz1, lz2) > 0);
}
if (lz1 == NULL || lz2 == NULL)
return false;
- return (bool)(lztext_cmp(lz1, lz2) >= 0);
+ return (bool) (lztext_cmp(lz1, lz2) >= 0);
}
if (lz1 == NULL || lz2 == NULL)
return false;
- return (bool)(lztext_cmp(lz1, lz2) < 0);
+ return (bool) (lztext_cmp(lz1, lz2) < 0);
}
if (lz1 == NULL || lz2 == NULL)
return false;
- return (bool)(lztext_cmp(lz1, lz2) <= 0);
+ return (bool) (lztext_cmp(lz1, lz2) <= 0);
}
-
-
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/nabstime.c,v 1.66 2000/02/16 17:24:48 thomas Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/nabstime.c,v 1.67 2000/04/12 17:15:50 momjian Exp $
*
* NOTES
*
#if 0
static AbsoluteTime tm2abstime(struct tm * tm, int tz);
+
#endif
1, 1, 60, 60,
3600, 3600, 86400, 86400, 604800, 604800,
2592000, 2592000, 31536000, 31536000};
+
#endif
/*
/* XXX FreeBSD man pages indicate that this should work - tgl 97/04/23 */
if (tzn != NULL)
{
- /* Copy no more than MAXTZLEN bytes of timezone to tzn, in case it
- contains an error message, which doesn't fit in the buffer */
+
+ /*
+ * Copy no more than MAXTZLEN bytes of timezone to tzn, in case it
+ * contains an error message, which doesn't fit in the buffer
+ */
strncpy(tzn, tm->tm_zone, MAXTZLEN);
if (strlen(tm->tm_zone) > MAXTZLEN)
{
#endif
if (tzn != NULL)
{
- /* Copy no more than MAXTZLEN bytes of timezone to tzn, in case it
- contains an error message, which doesn't fit in the buffer */
+
+ /*
+ * Copy no more than MAXTZLEN bytes of timezone to tzn, in case it
+ * contains an error message, which doesn't fit in the buffer
+ */
strncpy(tzn, tzname[tm->tm_isdst], MAXTZLEN);
if (strlen(tzname[tm->tm_isdst]) > MAXTZLEN)
{
/* abstime_timestamp()
* Convert abstime to timestamp.
*/
-Timestamp *
+Timestamp *
abstime_timestamp(AbsoluteTime abstime)
{
- Timestamp *result;
+ Timestamp *result;
if (!PointerIsValid(result = palloc(sizeof(Timestamp))))
elog(ERROR, "Unable to allocate space to convert abstime to timestamp");
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/name.c,v 1.27 2000/01/26 05:57:14 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/name.c,v 1.28 2000/04/12 17:15:50 momjian Exp $
*
*-------------------------------------------------------------------------
*/
int
namecat(Name n1, Name n2)
{
- return namestrcat(n1, NameStr(*n2)); /* n2 can't be any longer than n1 */
+ return namestrcat(n1, NameStr(*n2)); /* n2 can't be any longer
+ * than n1 */
}
#endif
* is for IP V4 CIDR notation, but prepared for V6: just
* add the necessary bits where the comments indicate.
*
- * $Id: network.c,v 1.20 2000/03/08 01:44:37 momjian Exp $
+ * $Id: network.c,v 1.21 2000/04/12 17:15:50 momjian Exp $
* Jon Postel RIP 16 Oct 1998
*/
if (ip_family(ip) == AF_INET)
{
/* It's an IP V4 address: */
- int addr = htonl(ip_bits(ip) ?
- (-1 << (32 - ip_bits(ip))) & 0xffffffff : 0x00000000);
+ int addr = htonl(ip_bits(ip) ?
+ (-1 << (32 - ip_bits(ip))) & 0xffffffff : 0x00000000);
if (inet_net_ntop(AF_INET, &addr, 32, tmp, sizeof(tmp)) == NULL)
elog(ERROR, "unable to print netmask (%s)", strerror(errno));
*
* 1998 Jan Wieck
*
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/numeric.c,v 1.26 2000/03/13 02:31:13 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/numeric.c,v 1.27 2000/04/12 17:15:50 momjian Exp $
*
* ----------
*/
* *after* the decimal point. Scales are always >= 0.)
*
* buf points at the physical start of the palloc'd digit buffer for the
- * NumericVar. digits points at the first digit in actual use (the one
- * with the specified weight). We normally leave an unused byte or two
+ * NumericVar. digits points at the first digit in actual use (the one
+ * with the specified weight). We normally leave an unused byte or two
* (preset to zeroes) between buf and digits, so that there is room to store
* a carry out of the top digit without special pushups. We just need to
* decrement digits (and increment weight) to make room for the carry digit.
typedef struct NumericVar
{
- int ndigits; /* number of digits in digits[] - can be 0! */
+ int ndigits; /* number of digits in digits[] - can be
+ * 0! */
int weight; /* weight of first digit */
int rscale; /* result scale */
int dscale; /* display scale */
- int sign; /* NUMERIC_POS, NUMERIC_NEG, or NUMERIC_NAN */
+ int sign; /* NUMERIC_POS, NUMERIC_NEG, or
+ * NUMERIC_NAN */
NumericDigit *buf; /* start of palloc'd space for digits[] */
NumericDigit *digits; /* decimal digits */
} NumericVar;
#ifdef NUMERIC_DEBUG
static void dump_numeric(char *str, Numeric num);
static void dump_var(char *str, NumericVar *var);
+
#else
#define dump_numeric(s,n)
#define dump_var(s,v)
#endif
#define digitbuf_alloc(size) ((NumericDigit *) palloc(size))
-#define digitbuf_free(buf) \
+#define digitbuf_free(buf) \
do { \
if ((buf) != NULL) \
pfree(buf); \
if (i < arg.ndigits)
{
- /* If i = 0, the value loses all digits, but could round up if its
- * first digit is more than 4. If i < 0 the result must be 0.
+
+ /*
+ * If i = 0, the value loses all digits, but could round up if its
+ * first digit is more than 4. If i < 0 the result must be 0.
*/
if (i < 0)
- {
arg.ndigits = 0;
- }
else
{
- int carry = (arg.digits[i] > 4) ? 1 : 0;
+ int carry = (arg.digits[i] > 4) ? 1 : 0;
arg.ndigits = i;
if (i < 0)
{
- Assert(i == -1); /* better not have added more than 1 digit */
+ Assert(i == -1);/* better not have added more than 1 digit */
Assert(arg.digits > arg.buf);
arg.digits--;
arg.ndigits++;
NumericVar arg2;
if (num1 == NULL || num2 == NULL)
- return (int32)0;
+ return (int32) 0;
if (NUMERIC_IS_NAN(num1) || NUMERIC_IS_NAN(num2))
- return (int32)0;
+ return (int32) 0;
init_var(&arg1);
init_var(&arg2);
free_var(&arg1);
free_var(&arg2);
- return (int32)((result == 0) ? 0 : ((result < 0) ? -1 : 1));
+ return (int32) ((result == 0) ? 0 : ((result < 0) ? -1 : 1));
}
init_var(&x);
set_var_from_num(num, &x);
- str = get_str_from_var(&x, 0); /* dscale = 0 produces rounding */
+ str = get_str_from_var(&x, 0); /* dscale = 0 produces rounding */
free_var(&x);
init_var(&x);
set_var_from_num(num, &x);
- str = get_str_from_var(&x, 0); /* dscale = 0 produces rounding */
+ str = get_str_from_var(&x, 0); /* dscale = 0 produces rounding */
free_var(&x);
init_var(&x);
set_var_from_num(num, &x);
- str = get_str_from_var(&x, 0); /* dscale = 0 produces rounding */
+ str = get_str_from_var(&x, 0); /* dscale = 0 produces rounding */
free_var(&x);
cp++;
}
- if (! isdigit(*cp))
+ if (!isdigit(*cp))
elog(ERROR, "Bad numeric input format '%s'", str);
while (*cp)
/* Handle exponent, if any */
if (*cp == 'e' || *cp == 'E')
{
- long exponent;
- char *endptr;
+ long exponent;
+ char *endptr;
cp++;
exponent = strtol(cp, &endptr, 10);
int i;
int n;
- n = num->varlen - NUMERIC_HDRSZ; /* number of digit-pairs in packed fmt */
+ n = num->varlen - NUMERIC_HDRSZ; /* number of digit-pairs in packed
+ * fmt */
alloc_var(dest, n * 2);
for (i = 0; i < n; i++)
{
unsigned char digitpair = num->n_data[i];
+
*digit++ = (digitpair >> 4) & 0x0f;
*digit++ = digitpair & 0x0f;
}
i = dscale + var->weight + 1;
if (i >= 0 && var->ndigits > i)
{
- int carry = (var->digits[i] > 4) ? 1 : 0;
+ int carry = (var->digits[i] > 4) ? 1 : 0;
var->ndigits = i;
while (j < n)
{
unsigned char digitpair = digit[j++] << 4;
+
if (j < n)
digitpair |= digit[j++];
result->n_data[i++] = digitpair;
i = scale + var->weight + 1;
if (i >= 0 && var->ndigits > i)
{
- int carry = (var->digits[i] > 4) ? 1 : 0;
+ int carry = (var->digits[i] > 4) ? 1 : 0;
var->ndigits = i;
if (var->weight >= maxweight)
{
/* Determine true weight; and check for all-zero result */
- int tweight = var->weight;
+ int tweight = var->weight;
for (i = 0; i < var->ndigits; i++)
{
break;
tweight--;
}
-
+
if (tweight >= maxweight && i < var->ndigits)
elog(ERROR, "overflow on numeric "
- "ABS(value) >= 10^%d for field with precision %d scale %d",
+ "ABS(value) >= 10^%d for field with precision %d scale %d",
tweight, precision, scale);
}
switch (cmp_abs(var1, var2))
{
case 0: /* ----------
- * ABS(var1) == ABS(var2)
- * result = ZERO
- * ----------
- */
+ * ABS(var1) == ABS(var2)
+ * result = ZERO
+ * ----------
+ */
zero_var(result);
result->rscale = MAX(var1->rscale, var2->rscale);
result->dscale = MAX(var1->dscale, var2->dscale);
break;
case 1: /* ----------
- * ABS(var1) > ABS(var2)
- * result = +(ABS(var1) - ABS(var2))
- * ----------
- */
+ * ABS(var1) > ABS(var2)
+ * result = +(ABS(var1) - ABS(var2))
+ * ----------
+ */
sub_abs(var1, var2, result);
result->sign = NUMERIC_POS;
break;
switch (cmp_abs(var1, var2))
{
case 0: /* ----------
- * ABS(var1) == ABS(var2)
- * result = ZERO
- * ----------
- */
+ * ABS(var1) == ABS(var2)
+ * result = ZERO
+ * ----------
+ */
zero_var(result);
result->rscale = MAX(var1->rscale, var2->rscale);
result->dscale = MAX(var1->dscale, var2->dscale);
break;
case 1: /* ----------
- * ABS(var1) > ABS(var2)
- * result = -(ABS(var1) - ABS(var2))
- * ----------
- */
+ * ABS(var1) > ABS(var2)
+ * result = -(ABS(var1) - ABS(var2))
+ * ----------
+ */
sub_abs(var1, var2, result);
result->sign = NUMERIC_NEG;
break;
switch (cmp_abs(var1, var2))
{
case 0: /* ----------
- * ABS(var1) == ABS(var2)
- * result = ZERO
- * ----------
- */
+ * ABS(var1) == ABS(var2)
+ * result = ZERO
+ * ----------
+ */
zero_var(result);
result->rscale = MAX(var1->rscale, var2->rscale);
result->dscale = MAX(var1->dscale, var2->dscale);
break;
case 1: /* ----------
- * ABS(var1) > ABS(var2)
- * result = +(ABS(var1) - ABS(var2))
- * ----------
- */
+ * ABS(var1) > ABS(var2)
+ * result = +(ABS(var1) - ABS(var2))
+ * ----------
+ */
sub_abs(var1, var2, result);
result->sign = NUMERIC_POS;
break;
switch (cmp_abs(var1, var2))
{
case 0: /* ----------
- * ABS(var1) == ABS(var2)
- * result = ZERO
- * ----------
- */
+ * ABS(var1) == ABS(var2)
+ * result = ZERO
+ * ----------
+ */
zero_var(result);
result->rscale = MAX(var1->rscale, var2->rscale);
result->dscale = MAX(var1->dscale, var2->dscale);
break;
case 1: /* ----------
- * ABS(var1) > ABS(var2)
- * result = -(ABS(var1) - ABS(var2))
- * ----------
- */
+ * ABS(var1) > ABS(var2)
+ * result = -(ABS(var1) - ABS(var2))
+ * ----------
+ */
sub_abs(var1, var2, result);
result->sign = NUMERIC_NEG;
break;
result->ndigits = ri + 1;
if (ri == res_ndigits + 1)
{
- int carry = (res_digits[ri] > 4) ? 1 : 0;
+ int carry = (res_digits[ri] > 4) ? 1 : 0;
result->ndigits = ri;
res_digits[ri] = 0;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/numutils.c,v 1.39 2000/01/26 05:57:14 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/numutils.c,v 1.40 2000/04/12 17:15:51 momjian Exp $
*
*-------------------------------------------------------------------------
*/
errno = ERANGE;
elog(ERROR, "pg_atoi: error reading \"%s\": %m", s);
}
-#endif /* HAVE_LONG_INT_64 */
+#endif /* HAVE_LONG_INT_64 */
break;
case sizeof(int16):
if (l < SHRT_MIN)
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/oid.c,v 1.33 2000/01/26 05:57:14 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/oid.c,v 1.34 2000/04/12 17:15:51 momjian Exp $
*
*-------------------------------------------------------------------------
*/
result = (Oid *) palloc(sizeof(Oid[INDEX_MAX_KEYS]));
- for (slot=0; *oidString && slot < INDEX_MAX_KEYS; slot++)
+ for (slot = 0; *oidString && slot < INDEX_MAX_KEYS; slot++)
{
if (sscanf(oidString, "%u", &result[slot]) != 1)
break;
while (*oidString && isspace(*oidString))
oidString++;
if (*oidString)
- elog(ERROR,"oidvector value has too many values");
+ elog(ERROR, "oidvector value has too many values");
while (slot < INDEX_MAX_KEYS)
result[slot++] = 0;
char *
oidvectorout(Oid *oidArray)
{
- int num, maxnum;
+ int num,
+ maxnum;
char *rp;
char *result;
}
/* find last non-zero value in vector */
- for (maxnum = INDEX_MAX_KEYS-1; maxnum >= 0; maxnum--)
+ for (maxnum = INDEX_MAX_KEYS - 1; maxnum >= 0; maxnum--)
if (oidArray[maxnum] != 0)
break;
/* assumes sign, 10 digits, ' ' */
- rp = result = (char *) palloc((maxnum+1) * 12 + 1);
+ rp = result = (char *) palloc((maxnum + 1) * 12 + 1);
for (num = 0; num <= maxnum; num++)
{
if (num != 0)
/*
* Edmund Mergl <E.Mergl@bawue.de>
*
- * $Id: oracle_compat.c,v 1.23 2000/04/07 13:39:41 thomas Exp $
+ * $Id: oracle_compat.c,v 1.24 2000/04/12 17:15:51 momjian Exp $
*
*/
text *
translate(text *string, text *from, text *to)
{
- text *result;
- char *from_ptr, *to_ptr;
- char *source, *target;
- int m, fromlen, tolen, retlen, i;
+ text *result;
+ char *from_ptr,
+ *to_ptr;
+ char *source,
+ *target;
+ int m,
+ fromlen,
+ tolen,
+ retlen,
+ i;
if (string == (text *) NULL ||
from == (text *) NULL ||
while (m-- > 0)
{
- char rep = *source++;
+ char rep = *source++;
for (i = 0; i < fromlen; i++)
{
- if (from_ptr[i] == rep)
+ if (from_ptr[i] == rep)
break;
}
if (i < fromlen)
}
VARSIZE(result) = retlen + VARHDRSZ;
+
/*
* There may be some wasted space in the result if deletions occurred,
* but it's not worth reallocating it; the function result probably
return 0;
return ((int) *(VARDATA(string)));
-} /* ascii() */
+} /* ascii() */
text *
ichar(int4 cvalue)
{
- text *result;
+ text *result;
result = (text *) palloc(VARHDRSZ + 1);
VARSIZE(result) = VARHDRSZ + 1;
*VARDATA(result) = (char) cvalue;
return result;
-} /* ichar() */
+} /* ichar() */
text *
repeat(text *string, int4 count)
{
- text *result;
- int slen, tlen;
- int i;
- char *cp;
+ text *result;
+ int slen,
+ tlen;
+ int i;
+ char *cp;
if (count < 0)
count = 0;
- slen = (VARSIZE(string)-VARHDRSZ);
+ slen = (VARSIZE(string) - VARHDRSZ);
tlen = (VARHDRSZ + (count * slen));
result = (text *) palloc(tlen);
}
return result;
-} /* repeat() */
-
+} /* repeat() */
/* -----------------------------------------------------------------------
* pg_locale.c
*
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/pg_locale.c,v 1.3 2000/03/18 18:57:14 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/pg_locale.c,v 1.4 2000/04/12 17:15:51 momjian Exp $
*
*
- * Portions Copyright (c) 1999-2000, PostgreSQL, Inc
+ * Portions Copyright (c) 1999-2000, PostgreSQL, Inc
*
- * The PostgreSQL locale utils.
+ * The PostgreSQL locale utils.
*
* Karel Zak - Zakkr
*
* -----------------------------------------------------------------------
*/
-
+
#include <stdio.h>
-
+
#include "postgres.h"
-
+
#ifdef USE_LOCALE
#include <locale.h>
/*------
- * Return in PG_LocaleCategories current locale setting
+ * Return in PG_LocaleCategories current locale setting
*------
- */
+ */
PG_LocaleCategories *
-PGLC_current( PG_LocaleCategories *lc )
+PGLC_current(PG_LocaleCategories * lc)
{
- lc->lang = getenv("LANG");
-
-lc->lc_ctype = setlocale(LC_CTYPE, NULL);
-lc->lc_numeric = setlocale(LC_NUMERIC, NULL);
-lc->lc_time = setlocale(LC_TIME, NULL);
-lc->lc_collate = setlocale(LC_COLLATE, NULL);
-lc->lc_monetary = setlocale(LC_MONETARY, NULL);
-lc->lc_messages = setlocale(LC_MESSAGES, NULL);
+ lc->lang = getenv("LANG");
+
+ lc->lc_ctype = setlocale(LC_CTYPE, NULL);
+ lc->lc_numeric = setlocale(LC_NUMERIC, NULL);
+ lc->lc_time = setlocale(LC_TIME, NULL);
+ lc->lc_collate = setlocale(LC_COLLATE, NULL);
+ lc->lc_monetary = setlocale(LC_MONETARY, NULL);
+ lc->lc_messages = setlocale(LC_MESSAGES, NULL);
return lc;
-}
+}
-#ifdef DEBUG_LOCALE_UTILS
+#ifdef DEBUG_LOCALE_UTILS
/*------
* Print a PG_LocaleCategories struct as DEBUG
*------
*/
PG_LocaleCategories *
-PGLC_debug_lc( PG_LocaleCategories *lc )
+PGLC_debug_lc(PG_LocaleCategories * lc)
{
elog(DEBUG, "CURRENT LOCALE ENVIRONMENT:\n\nLANG: \t%s\nLC_CTYPE:\t%s\nLC_NUMERIC:\t%s\nLC_TIME:\t%s\nLC_COLLATE:\t%s\nLC_MONETARY:\t%s\nLC_MESSAGES:\t%s\n",
- lc->lang,
- lc->lc_ctype,
- lc->lc_numeric,
- lc->lc_time,
- lc->lc_collate,
- lc->lc_monetary,
- lc->lc_messages
+ lc->lang,
+ lc->lc_ctype,
+ lc->lc_numeric,
+ lc->lc_time,
+ lc->lc_collate,
+ lc->lc_monetary,
+ lc->lc_messages
);
- return lc;
+ return lc;
}
#endif
/*------
- * Set locales via a PG_LocaleCategories struct
+ * Set locales via a PG_LocaleCategories struct
*------
*/
PG_LocaleCategories *
-PGLC_setlocale( PG_LocaleCategories *lc )
+PGLC_setlocale(PG_LocaleCategories * lc)
{
- if (!setlocale(LC_CTYPE, lc->lc_ctype ))
- elog(NOTICE, "pg_setlocale(): 'LC_CTYPE=%s' cannot be honored.", lc->lc_ctype);
-
- if (!setlocale(LC_NUMERIC, lc->lc_numeric ))
+ if (!setlocale(LC_CTYPE, lc->lc_ctype))
+ elog(NOTICE, "pg_setlocale(): 'LC_CTYPE=%s' cannot be honored.", lc->lc_ctype);
+
+ if (!setlocale(LC_NUMERIC, lc->lc_numeric))
elog(NOTICE, "pg_setlocale(): 'LC_NUMERIC=%s' cannot be honored.", lc->lc_numeric);
-
- if (!setlocale(LC_TIME, lc->lc_time ))
- elog(NOTICE, "pg_setlocale(): 'LC_TIME=%s' cannot be honored.", lc->lc_time);
-
- if (!setlocale(LC_COLLATE, lc->lc_collate ))
+
+ if (!setlocale(LC_TIME, lc->lc_time))
+ elog(NOTICE, "pg_setlocale(): 'LC_TIME=%s' cannot be honored.", lc->lc_time);
+
+ if (!setlocale(LC_COLLATE, lc->lc_collate))
elog(NOTICE, "pg_setlocale(): 'LC_COLLATE=%s' cannot be honored.", lc->lc_collate);
- if (!setlocale(LC_MONETARY, lc->lc_monetary ))
- elog(NOTICE, "pg_setlocale(): 'LC_MONETARY=%s' cannot be honored.", lc->lc_monetary);
-
- if (!setlocale(LC_MESSAGES, lc->lc_messages ))
+ if (!setlocale(LC_MONETARY, lc->lc_monetary))
+ elog(NOTICE, "pg_setlocale(): 'LC_MONETARY=%s' cannot be honored.", lc->lc_monetary);
+
+ if (!setlocale(LC_MESSAGES, lc->lc_messages))
elog(NOTICE, "pg_setlocale(): 'LC_MESSAGE=%s' cannot be honored.", lc->lc_messages);
return lc;
/*------
* Return the POSIX lconv struct (contains number/money formatting information)
* with locale information for *all* categories.
- * => Returned lconv is *independent* on current locale catogories setting - in
+ * => Returned lconv is *independent* on current locale catogories setting - in
* contrast to standard localeconv().
*
- * ! libc prepare memory space for lconv itself and all returned strings in
- * lconv are *static strings*.
+ * ! libc prepare memory space for lconv itself and all returned strings in
+ * lconv are *static strings*.
*------
*/
struct lconv *
PGLC_localeconv(void)
{
- PG_LocaleCategories lc;
- struct lconv *lconv;
+ PG_LocaleCategories lc;
+ struct lconv *lconv;
/* Save current locale setting to lc */
- PGLC_current(&lc);
-
+ PGLC_current(&lc);
+
/* Set all locale category for current lang */
setlocale(LC_ALL, "");
-
- /* Get numeric formatting information */
- lconv = localeconv();
-
+
+ /* Get numeric formatting information */
+ lconv = localeconv();
+
/* Set previous original locale */
PGLC_setlocale(&lc);
}
-#endif /* USE_LOCALE */
+#endif /* USE_LOCALE */
/* ----------
* pg_lzcompress.c -
*
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/pg_lzcompress.c,v 1.3 1999/11/25 01:28:04 wieck Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/pg_lzcompress.c,v 1.4 2000/04/12 17:15:51 momjian Exp $
*
* This is an implementation of LZ compression for PostgreSQL.
* It uses a simple history table and generates 2-3 byte tags
*
* So the 16 bits of a 2 byte tag are coded as
*
- * 7---T1--0 7---T2--0
+ * 7---T1--0 7---T2--0
* OOOO LLLL OOOO OOOO
*
* This limits the offset to 1-4095 (12 bits) and the length
* Linked list for the backward history lookup
* ----------
*/
-typedef struct PGLZ_HistEntry {
- struct PGLZ_HistEntry *next;
- char *pos;
+typedef struct PGLZ_HistEntry
+{
+ struct PGLZ_HistEntry *next;
+ char *pos;
} PGLZ_HistEntry;
* ----------
*/
static PGLZ_Strategy strategy_default_data = {
- 256, /* Data chunks smaller 256 bytes are nott compressed */
- 6144, /* Data chunks greater equal 6K force compression */
- /* except compressed result is greater uncompressed data */
- 20, /* Compression rates below 20% mean fallback to uncompressed */
- /* storage except compression is forced by previous parameter */
- 128, /* Stop history lookup if a match of 128 bytes is found */
- 10 /* Lower good match size by 10% at every lookup loop iteration. */
+ 256, /* Data chunks smaller 256 bytes are nott
+ * compressed */
+ 6144, /* Data chunks greater equal 6K force
+ * compression */
+ /* except compressed result is greater uncompressed data */
+ 20, /* Compression rates below 20% mean
+ * fallback to uncompressed */
+ /* storage except compression is forced by previous parameter */
+ 128, /* Stop history lookup if a match of 128
+ * bytes is found */
+ 10 /* Lower good match size by 10% at every
+ * lookup loop iteration. */
};
-PGLZ_Strategy *PGLZ_strategy_default = &strategy_default_data;
+PGLZ_Strategy *PGLZ_strategy_default = &strategy_default_data;
static PGLZ_Strategy strategy_allways_data = {
- 0, /* Chunks of any size are compressed */
- 0, /* */
- 0, /* We want to save at least one single byte */
- 128, /* Stop history lookup if a match of 128 bytes is found */
- 6 /* Look harder for a good match. */
+ 0, /* Chunks of any size are compressed */
+ 0, /* */
+ 0, /* We want to save at least one single
+ * byte */
+ 128, /* Stop history lookup if a match of 128
+ * bytes is found */
+ 6 /* Look harder for a good match. */
};
-PGLZ_Strategy *PGLZ_strategy_allways = &strategy_allways_data;
+PGLZ_Strategy *PGLZ_strategy_allways = &strategy_allways_data;
static PGLZ_Strategy strategy_never_data = {
- 0, /* */
- 0, /* */
- 0, /* */
- 0, /* Zero indicates "store uncompressed allways" */
- 0 /* */
+ 0, /* */
+ 0, /* */
+ 0, /* */
+ 0, /* Zero indicates "store uncompressed
+ * allways" */
+ 0 /* */
};
-PGLZ_Strategy *PGLZ_strategy_never = &strategy_never_data;
+PGLZ_Strategy *PGLZ_strategy_never = &strategy_never_data;
#if 1
#define pglz_hist_idx(_s,_e) ( \
(((_e) - (_s)) < 4) ? 0 : \
- ((((_s)[0] << 9) ^ ((_s)[1] << 6) ^ \
+ ((((_s)[0] << 9) ^ ((_s)[1] << 6) ^ \
((_s)[2] << 3) ^ (_s)[3]) & (PGLZ_HISTORY_MASK)) \
)
#else
#define pglz_hist_add(_hs,_hn,_s,_e) { \
int __hindex = pglz_hist_idx((_s),(_e)); \
(_hn)->next = (_hs)[__hindex]; \
- (_hn)->pos = (_s); \
+ (_hn)->pos = (_s); \
(_hs)[__hindex] = (_hn)++; \
}
* ----------
*/
static inline int
-pglz_find_match (PGLZ_HistEntry **hstart, char *input, char *end,
- int *lenp, int *offp, int good_match, int good_drop)
+pglz_find_match(PGLZ_HistEntry **hstart, char *input, char *end,
+ int *lenp, int *offp, int good_match, int good_drop)
{
- PGLZ_HistEntry *hent;
- int32 len = 0;
- int32 off = 0;
- int32 thislen;
- int32 thisoff;
- char *ip;
- char *hp;
+ PGLZ_HistEntry *hent;
+ int32 len = 0;
+ int32 off = 0;
+ int32 thislen;
+ int32 thisoff;
+ char *ip;
+ char *hp;
/* ----------
* Traverse the linked history list until a good enough
* Be happy with lesser good matches the more entries we visited.
* ----------
*/
- good_match -= (good_match * good_drop) /100;
+ good_match -= (good_match * good_drop) / 100;
/* ----------
* Stop if the offset does not fit into our tag anymore.
thislen = len;
ip += len;
hp += len;
- } else {
- thislen = 0;
}
+ else
+ thislen = 0;
while (ip < end && *ip == *hp && thislen < PGLZ_MAX_MATCH)
{
thislen++;
* ----------
*/
int
-pglz_compress (char *source, int slen, PGLZ_Header *dest, PGLZ_Strategy *strategy)
+pglz_compress(char *source, int slen, PGLZ_Header *dest, PGLZ_Strategy *strategy)
{
- PGLZ_HistEntry *hist_start[PGLZ_HISTORY_SIZE];
- PGLZ_HistEntry *hist_alloc;
- PGLZ_HistEntry hist_prealloc[PGLZ_HISTORY_PREALLOC];
- PGLZ_HistEntry *hist_next;
-
- unsigned char *bp = ((unsigned char *)dest) + sizeof(PGLZ_Header);
- unsigned char *bstart = bp;
- char *dp = source;
- char *dend = source + slen;
- unsigned char ctrl_dummy = 0;
- unsigned char *ctrlp = &ctrl_dummy;
- unsigned char ctrlb = 0;
- unsigned char ctrl = 0;
- int32 match_len;
- int32 match_off;
- int32 good_match;
- int32 good_drop;
- int32 do_compress = 1;
- int32 result_size = -1;
- int32 result_max;
- int32 need_rate;
+ PGLZ_HistEntry *hist_start[PGLZ_HISTORY_SIZE];
+ PGLZ_HistEntry *hist_alloc;
+ PGLZ_HistEntry hist_prealloc[PGLZ_HISTORY_PREALLOC];
+ PGLZ_HistEntry *hist_next;
+
+ unsigned char *bp = ((unsigned char *) dest) + sizeof(PGLZ_Header);
+ unsigned char *bstart = bp;
+ char *dp = source;
+ char *dend = source + slen;
+ unsigned char ctrl_dummy = 0;
+ unsigned char *ctrlp = &ctrl_dummy;
+ unsigned char ctrlb = 0;
+ unsigned char ctrl = 0;
+ int32 match_len;
+ int32 match_off;
+ int32 good_match;
+ int32 good_drop;
+ int32 do_compress = 1;
+ int32 result_size = -1;
+ int32 result_max;
+ int32 need_rate;
/* ----------
* Our fallback strategy is the default.
{
memcpy(bstart, source, slen);
return (dest->varsize = slen + sizeof(PGLZ_Header));
- } else {
+ }
+ else
+ {
if (slen < strategy->min_input_size)
{
memcpy(bstart, source, slen);
* table on the stack frame.
* ----------
*/
- memset((void *)hist_start, 0, sizeof(hist_start));
+ memset((void *) hist_start, 0, sizeof(hist_start));
if (slen + 1 <= PGLZ_HISTORY_PREALLOC)
hist_alloc = hist_prealloc;
else
hist_alloc = (PGLZ_HistEntry *)
- palloc(sizeof(PGLZ_HistEntry) * (slen + 1));
+ palloc(sizeof(PGLZ_HistEntry) * (slen + 1));
hist_next = hist_alloc;
/* ----------
* ----------
*/
if (slen >= strategy->force_input_size)
- {
result_max = slen;
- } else {
+ else
+ {
need_rate = strategy->min_comp_rate;
if (need_rate < 0)
need_rate = 0;
* Try to find a match in the history
* ----------
*/
- if (pglz_find_match(hist_start, dp, dend, &match_len,
- &match_off, good_match, good_drop))
+ if (pglz_find_match(hist_start, dp, dend, &match_len,
+ &match_off, good_match, good_drop))
{
/* ----------
* Create the tag and add history entries for
* ----------
*/
pglz_out_tag(ctrlp, ctrlb, ctrl, bp, match_len, match_off);
- while(match_len--)
+ while (match_len--)
{
pglz_hist_add(hist_start, hist_next, dp, dend);
- dp++; /* Do not do this ++ in the line above! */
- /* The macro would do it four times - Jan. */
+ dp++; /* Do not do this ++ in the line above! */
+ /* The macro would do it four times - Jan. */
}
- } else {
+ }
+ else
+ {
/* ----------
* No match found. Copy one literal byte.
* ----------
*/
pglz_out_literal(ctrlp, ctrlb, ctrl, bp, *dp);
pglz_hist_add(hist_start, hist_next, dp, dend);
- dp++; /* Do not do this ++ in the line above! */
- /* The macro would do it four times - Jan. */
+ dp++; /* Do not do this ++ in the line above! */
+ /* The macro would do it four times - Jan. */
}
}
* ----------
*/
if (hist_alloc != hist_prealloc)
- pfree((void *)hist_alloc);
+ pfree((void *) hist_alloc);
/* ----------
* If we are still in compressing mode, write out the last
*ctrlp = ctrlb;
result_size = bp - bstart;
- if (result_size >= result_max) {
+ if (result_size >= result_max)
do_compress = 0;
- }
}
/* ----------
* ----------
*/
if (do_compress)
- {
return (dest->varsize = result_size + sizeof(PGLZ_Header));
- } else {
- memcpy(((char *)dest) + sizeof(PGLZ_Header), source, slen);
+ else
+ {
+ memcpy(((char *) dest) + sizeof(PGLZ_Header), source, slen);
return (dest->varsize = slen + sizeof(PGLZ_Header));
}
}
* ----------
*/
int
-pglz_decompress (PGLZ_Header *source, char *dest)
+pglz_decompress(PGLZ_Header *source, char *dest)
{
- unsigned char *dp;
- unsigned char *dend;
- unsigned char *bp;
- unsigned char ctrl;
- int32 ctrlc;
- int32 len;
- int32 off;
-
- dp = ((unsigned char *)source) + sizeof(PGLZ_Header);
- dend = ((unsigned char *)source) + source->varsize;
- bp = (unsigned char *)dest;
+ unsigned char *dp;
+ unsigned char *dend;
+ unsigned char *bp;
+ unsigned char ctrl;
+ int32 ctrlc;
+ int32 len;
+ int32 off;
+
+ dp = ((unsigned char *) source) + sizeof(PGLZ_Header);
+ dend = ((unsigned char *) source) + source->varsize;
+ bp = (unsigned char *) dest;
if (source->varsize == source->rawsize + sizeof(PGLZ_Header))
{
off = ((dp[0] & 0xf0) << 4) | dp[1];
dp += 2;
if (len == 18)
- {
len += *dp++;
- }
/* ----------
* Now we copy the bytes specified by the tag from
*bp = bp[-off];
bp++;
}
- } else {
+ }
+ else
+ {
/* ----------
* An unset control bit means LITERAL BYTE. So we
* just copy one from INPUT to OUTPUT.
* That's it.
* ----------
*/
- return (char *)bp - dest;
+ return (char *) bp - dest;
}
int
pglz_get_next_decomp_char_from_lzdata(PGLZ_DecompState *dstate)
{
- unsigned char retval;
+ unsigned char retval;
if (dstate->tocopy > 0)
{
* ----------
*/
if (dstate->cp_in == dstate->cp_end)
- {
return EOF;
- }
/* ----------
* This decompression method saves time only, if we stop near
*/
if (dstate->cp_out - dstate->temp_buf >= 256)
{
- unsigned char *cp_in = dstate->cp_in;
- unsigned char *cp_out = dstate->cp_out;
- unsigned char *cp_end = dstate->cp_end;
- unsigned char *cp_copy;
- unsigned char ctrl;
- int off;
- int len;
- int i;
+ unsigned char *cp_in = dstate->cp_in;
+ unsigned char *cp_out = dstate->cp_out;
+ unsigned char *cp_end = dstate->cp_end;
+ unsigned char *cp_copy;
+ unsigned char ctrl;
+ int off;
+ int len;
+ int i;
while (cp_in < cp_end)
{
len += *cp_in++;
cp_copy = cp_out - off;
- while(len--)
+ while (len--)
*cp_out++ = *cp_copy++;
- } else {
- *cp_out++ = *cp_in++;
}
+ else
+ *cp_out++ = *cp_in++;
ctrl >>= 1;
}
}
- dstate->cp_in = dstate->cp_out;
- dstate->cp_end = cp_out;
- dstate->next_char = pglz_get_next_decomp_char_from_plain;
+ dstate->cp_in = dstate->cp_out;
+ dstate->cp_end = cp_out;
+ dstate->next_char = pglz_get_next_decomp_char_from_plain;
- return (int)(*(dstate->cp_in++));
+ return (int) (*(dstate->cp_in++));
}
/* ----------
* Not yet, get next control byte into decomp state.
* ----------
*/
- dstate->ctrl = (unsigned char)(*(dstate->cp_in++));
+ dstate->ctrl = (unsigned char) (*(dstate->cp_in++));
dstate->ctrl_count = 8;
}
* ----------
*/
if (dstate->cp_in == dstate->cp_end)
- {
return EOF;
- }
/* ----------
* Handle next control bit.
* and do the copy for the first byte as above.
* ----------
*/
- int off;
+ int off;
- dstate->tocopy = (dstate->cp_in[0] & 0x0f) + 3;
- off = ((dstate->cp_in[0] & 0xf0) << 4) | dstate->cp_in[1];
- dstate->cp_in += 2;
+ dstate->tocopy = (dstate->cp_in[0] & 0x0f) + 3;
+ off = ((dstate->cp_in[0] & 0xf0) << 4) | dstate->cp_in[1];
+ dstate->cp_in += 2;
if (dstate->tocopy == 18)
dstate->tocopy += *(dstate->cp_in++);
dstate->cp_copy = dstate->cp_out - off;
dstate->tocopy--;
retval = (*(dstate->cp_out++) = *(dstate->cp_copy++));
- } else {
+ }
+ else
+ {
/* ----------
* Bit is unset, so literal byte follows.
* ----------
*/
- retval = (int)(*(dstate->cp_out++) = *(dstate->cp_in++));
+ retval = (int) (*(dstate->cp_out++) = *(dstate->cp_in++));
}
dstate->ctrl >>= 1;
- return (int)retval;
+ return (int) retval;
}
if (dstate->cp_in >= dstate->cp_end)
return EOF;
- return (int)(*(dstate->cp_in++));
+ return (int) (*(dstate->cp_in++));
}
-
-
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/regproc.c,v 1.53 2000/02/27 03:30:27 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/regproc.c,v 1.54 2000/04/12 17:15:51 momjian Exp $
*
*-------------------------------------------------------------------------
*/
for (num = 0; num < FUNC_MAX_ARGS; num++)
{
if (oidArray[num] != InvalidOid)
- numargs = num+1;
+ numargs = num + 1;
}
result = (text *) palloc((NAMEDATALEN + 1) * numargs + VARHDRSZ + 1);
*
* 1999 Jan Wieck
*
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/ri_triggers.c,v 1.13 2000/02/07 17:50:38 wieck Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/ri_triggers.c,v 1.14 2000/04/12 17:15:51 momjian Exp $
*
* ----------
*/
* The key identifying a prepared SPI plan in our private hashtable
* ----------
*/
-typedef struct RI_QueryKey {
- int32 constr_type;
- Oid constr_id;
- int32 constr_queryno;
- Oid fk_relid;
- Oid pk_relid;
- int32 nkeypairs;
- int16 keypair[RI_MAX_NUMKEYS][2];
+typedef struct RI_QueryKey
+{
+ int32 constr_type;
+ Oid constr_id;
+ int32 constr_queryno;
+ Oid fk_relid;
+ Oid pk_relid;
+ int32 nkeypairs;
+ int16 keypair[RI_MAX_NUMKEYS][2];
} RI_QueryKey;
* RI_QueryHashEntry
* ----------
*/
-typedef struct RI_QueryHashEntry {
- RI_QueryKey key;
- void *plan;
+typedef struct RI_QueryHashEntry
+{
+ RI_QueryKey key;
+ void *plan;
} RI_QueryHashEntry;
-typedef struct RI_OpreqHashEntry {
- Oid typeid;
- Oid oprfnid;
- FmgrInfo oprfmgrinfo;
+typedef struct RI_OpreqHashEntry
+{
+ Oid typeid;
+ Oid oprfnid;
+ FmgrInfo oprfmgrinfo;
} RI_OpreqHashEntry;
* Local data
* ----------
*/
-static HTAB *ri_query_cache = (HTAB *)NULL;
-static HTAB *ri_opreq_cache = (HTAB *)NULL;
+static HTAB *ri_query_cache = (HTAB *) NULL;
+static HTAB *ri_opreq_cache = (HTAB *) NULL;
/* ----------
* Local function prototypes
* ----------
*/
-static int ri_DetermineMatchType(char *str);
-static int ri_NullCheck(Relation rel, HeapTuple tup,
- RI_QueryKey *key, int pairidx);
+static int ri_DetermineMatchType(char *str);
+static int ri_NullCheck(Relation rel, HeapTuple tup,
+ RI_QueryKey *key, int pairidx);
static void ri_BuildQueryKeyFull(RI_QueryKey *key, Oid constr_id,
- int32 constr_queryno,
- Relation fk_rel, Relation pk_rel,
- int argc, char **argv);
-static bool ri_KeysEqual(Relation rel, HeapTuple oldtup, HeapTuple newtup,
- RI_QueryKey *key, int pairidx);
-static bool ri_AllKeysUnequal(Relation rel, HeapTuple oldtup, HeapTuple newtup,
- RI_QueryKey *key, int pairidx);
+ int32 constr_queryno,
+ Relation fk_rel, Relation pk_rel,
+ int argc, char **argv);
+static bool ri_KeysEqual(Relation rel, HeapTuple oldtup, HeapTuple newtup,
+ RI_QueryKey *key, int pairidx);
+static bool ri_AllKeysUnequal(Relation rel, HeapTuple oldtup, HeapTuple newtup,
+ RI_QueryKey *key, int pairidx);
static bool ri_OneKeyEqual(Relation rel, int column, HeapTuple oldtup,
- HeapTuple newtup, RI_QueryKey *key, int pairidx);
+ HeapTuple newtup, RI_QueryKey *key, int pairidx);
static bool ri_AttributesEqual(Oid typeid, Datum oldvalue, Datum newvalue);
static void ri_InitHashTables(void);
* ----------
*/
static HeapTuple
-RI_FKey_check (FmgrInfo *proinfo)
+RI_FKey_check(FmgrInfo *proinfo)
{
- TriggerData *trigdata;
- int tgnargs;
- char **tgargs;
- Relation fk_rel;
- Relation pk_rel;
- HeapTuple new_row;
- HeapTuple old_row;
- RI_QueryKey qkey;
- void *qplan;
- Datum check_values[RI_MAX_NUMKEYS];
- char check_nulls[RI_MAX_NUMKEYS + 1];
- bool isnull;
- int i;
- int match_type;
+ TriggerData *trigdata;
+ int tgnargs;
+ char **tgargs;
+ Relation fk_rel;
+ Relation pk_rel;
+ HeapTuple new_row;
+ HeapTuple old_row;
+ RI_QueryKey qkey;
+ void *qplan;
+ Datum check_values[RI_MAX_NUMKEYS];
+ char check_nulls[RI_MAX_NUMKEYS + 1];
+ bool isnull;
+ int i;
+ int match_type;
+
trigdata = CurrentTriggerData;
- CurrentTriggerData = NULL;
+ CurrentTriggerData = NULL;
ReferentialIntegritySnapshotOverride = true;
/* ----------
*/
if (trigdata == NULL)
elog(ERROR, "RI_FKey_check() not fired by trigger manager");
- if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
- !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
+ if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
+ !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
elog(ERROR, "RI_FKey_check() must be fired AFTER ROW");
if (!TRIGGER_FIRED_BY_INSERT(trigdata->tg_event) &&
- !TRIGGER_FIRED_BY_UPDATE(trigdata->tg_event))
+ !TRIGGER_FIRED_BY_UPDATE(trigdata->tg_event))
elog(ERROR, "RI_FKey_check() must be fired for INSERT or UPDATE");
/* ----------
- * Check for the correct # of call arguments
+ * Check for the correct # of call arguments
* ----------
*/
tgnargs = trigdata->tg_trigger->tgnargs;
- tgargs = trigdata->tg_trigger->tgargs;
+ tgargs = trigdata->tg_trigger->tgargs;
if (tgnargs < 4 || (tgnargs % 2) != 0)
elog(ERROR, "wrong # of arguments in call to RI_FKey_check()");
if (tgnargs > RI_MAX_ARGUMENTS)
elog(ERROR, "too many keys (%d max) in call to RI_FKey_check()",
- RI_MAX_NUMKEYS);
+ RI_MAX_NUMKEYS);
/* ----------
* Get the relation descriptors of the FK and PK tables and
* the new tuple.
* ----------
*/
- fk_rel = trigdata->tg_relation;
- pk_rel = heap_openr(tgargs[RI_PK_RELNAME_ARGNO], NoLock);
+ fk_rel = trigdata->tg_relation;
+ pk_rel = heap_openr(tgargs[RI_PK_RELNAME_ARGNO], NoLock);
if (TRIGGER_FIRED_BY_UPDATE(trigdata->tg_event))
{
old_row = trigdata->tg_trigtuple;
new_row = trigdata->tg_newtuple;
- } else {
+ }
+ else
+ {
old_row = NULL;
new_row = trigdata->tg_trigtuple;
}
* future enhancements.
* ----------
*/
- if (tgnargs == 4) {
+ if (tgnargs == 4)
+ {
ri_BuildQueryKeyFull(&qkey, trigdata->tg_trigger->tgoid,
- RI_PLAN_CHECK_LOOKUPPK_NOCOLS,
- fk_rel, pk_rel,
- tgnargs, tgargs);
+ RI_PLAN_CHECK_LOOKUPPK_NOCOLS,
+ fk_rel, pk_rel,
+ tgnargs, tgargs);
if ((qplan = ri_FetchPreparedPlan(&qkey)) == NULL)
{
* SELECT oid FROM <pktable>
* ----------
*/
- sprintf(querystr, "SELECT oid FROM \"%s\" FOR UPDATE OF \"%s\"",
- tgargs[RI_PK_RELNAME_ARGNO],
- tgargs[RI_PK_RELNAME_ARGNO]);
+ sprintf(querystr, "SELECT oid FROM \"%s\" FOR UPDATE OF \"%s\"",
+ tgargs[RI_PK_RELNAME_ARGNO],
+ tgargs[RI_PK_RELNAME_ARGNO]);
/* ----------
* Prepare, save and remember the new plan.
if (SPI_execp(qplan, check_values, check_nulls, 1) != SPI_OK_SELECT)
elog(ERROR, "SPI_execp() failed in RI_FKey_check()");
-
+
if (SPI_processed == 0)
elog(ERROR, "%s referential integrity violation - "
- "no rows found in %s",
- tgargs[RI_CONSTRAINT_NAME_ARGNO],
- tgargs[RI_PK_RELNAME_ARGNO]);
+ "no rows found in %s",
+ tgargs[RI_CONSTRAINT_NAME_ARGNO],
+ tgargs[RI_PK_RELNAME_ARGNO]);
if (SPI_finish() != SPI_OK_FINISH)
elog(NOTICE, "SPI_finish() failed in RI_FKey_check()");
}
ri_BuildQueryKeyFull(&qkey, trigdata->tg_trigger->tgoid,
- RI_PLAN_CHECK_LOOKUPPK, fk_rel, pk_rel,
- tgnargs, tgargs);
+ RI_PLAN_CHECK_LOOKUPPK, fk_rel, pk_rel,
+ tgnargs, tgargs);
switch (ri_NullCheck(fk_rel, new_row, &qkey, RI_KEYPAIR_FK_IDX))
{
/* ----------
* No check - if NULLs are allowed at all is
* already checked by NOT NULL constraint.
- *
- * This is true for MATCH FULL, MATCH PARTIAL, and
- * MATCH <unspecified>
+ *
+ * This is true for MATCH FULL, MATCH PARTIAL, and
+ * MATCH <unspecified>
* ----------
*/
heap_close(pk_rel, NoLock);
return NULL;
-
+
case RI_KEYS_SOME_NULL:
/* ----------
* This is the only case that differs between the
- * three kinds of MATCH.
+ * three kinds of MATCH.
* ----------
*/
switch (match_type)
{
case RI_MATCH_TYPE_FULL:
/* ----------
- * Not allowed - MATCH FULL says either all or none
+ * Not allowed - MATCH FULL says either all or none
* of the attributes can be NULLs
* ----------
*/
elog(ERROR, "%s referential integrity violation - "
- "MATCH FULL doesn't allow mixing of NULL "
- "and NON-NULL key values",
- tgargs[RI_CONSTRAINT_NAME_ARGNO]);
+ "MATCH FULL doesn't allow mixing of NULL "
+ "and NON-NULL key values",
+ tgargs[RI_CONSTRAINT_NAME_ARGNO]);
heap_close(pk_rel, NoLock);
return NULL;
/* ----------
* MATCH PARTIAL - all non-null columns must match.
* (not implemented, can be done by modifying the query
- * below to only include non-null columns, or by
- * writing a special version here)
+ * below to only include non-null columns, or by
+ * writing a special version here)
* ----------
*/
elog(ERROR, "MATCH PARTIAL not yet implemented");
case RI_KEYS_NONE_NULL:
/* ----------
* Have a full qualified key - continue below for all three
- * kinds of MATCH.
+ * kinds of MATCH.
* ----------
*/
break;
{
char buf[256];
char querystr[8192];
- char *querysep;
+ char *querysep;
Oid queryoids[RI_MAX_NUMKEYS];
/* ----------
* how to compare these two types by '='.
* ----------
*/
- sprintf(querystr, "SELECT oid FROM \"%s\"",
- tgargs[RI_PK_RELNAME_ARGNO]);
+ sprintf(querystr, "SELECT oid FROM \"%s\"",
+ tgargs[RI_PK_RELNAME_ARGNO]);
querysep = "WHERE";
for (i = 0; i < qkey.nkeypairs; i++)
{
- sprintf(buf, " %s \"%s\" = $%d", querysep,
- tgargs[5 + i * 2], i + 1);
+ sprintf(buf, " %s \"%s\" = $%d", querysep,
+ tgargs[5 + i * 2], i + 1);
strcat(querystr, buf);
querysep = "AND";
queryoids[i] = SPI_gettypeid(fk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_FK_IDX]);
+ qkey.keypair[i][RI_KEYPAIR_FK_IDX]);
}
sprintf(buf, " FOR UPDATE OF \"%s\"",
- tgargs[RI_PK_RELNAME_ARGNO]);
+ tgargs[RI_PK_RELNAME_ARGNO]);
strcat(querystr, buf);
/* ----------
{
/* ----------
* We can implement MATCH PARTIAL by excluding this column from
- * the query if it is null. Simple! Unfortunately, the
- * referential actions aren't so I've not bothered to do so
- * for the moment.
+ * the query if it is null. Simple! Unfortunately, the
+ * referential actions aren't so I've not bothered to do so
+ * for the moment.
* ----------
*/
-
+
check_values[i] = SPI_getbinval(new_row,
- fk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_FK_IDX],
- &isnull);
- if (isnull)
+ fk_rel->rd_att,
+ qkey.keypair[i][RI_KEYPAIR_FK_IDX],
+ &isnull);
+ if (isnull)
check_nulls[i] = 'n';
else
check_nulls[i] = ' ';
*/
if (SPI_execp(qplan, check_values, check_nulls, 1) != SPI_OK_SELECT)
elog(ERROR, "SPI_execp() failed in RI_FKey_check()");
-
+
if (SPI_processed == 0)
elog(ERROR, "%s referential integrity violation - "
- "key referenced from %s not found in %s",
- tgargs[RI_CONSTRAINT_NAME_ARGNO],
- tgargs[RI_FK_RELNAME_ARGNO],
- tgargs[RI_PK_RELNAME_ARGNO]);
+ "key referenced from %s not found in %s",
+ tgargs[RI_CONSTRAINT_NAME_ARGNO],
+ tgargs[RI_FK_RELNAME_ARGNO],
+ tgargs[RI_PK_RELNAME_ARGNO]);
if (SPI_finish() != SPI_OK_FINISH)
elog(NOTICE, "SPI_finish() failed in RI_FKey_check()");
* ----------
*/
HeapTuple
-RI_FKey_check_ins (FmgrInfo *proinfo)
+RI_FKey_check_ins(FmgrInfo *proinfo)
{
return RI_FKey_check(proinfo);
}
* ----------
*/
HeapTuple
-RI_FKey_check_upd (FmgrInfo *proinfo)
+RI_FKey_check_upd(FmgrInfo *proinfo)
{
return RI_FKey_check(proinfo);
}
* RI_FKey_noaction_del -
*
* Give an error and roll back the current transaction if the
- * delete has resulted in a violation of the given referential
- * integrity constraint.
+ * delete has resulted in a violation of the given referential
+ * integrity constraint.
* ----------
*/
HeapTuple
-RI_FKey_noaction_del (FmgrInfo *proinfo)
+RI_FKey_noaction_del(FmgrInfo *proinfo)
{
- TriggerData *trigdata;
- int tgnargs;
- char **tgargs;
- Relation fk_rel;
- Relation pk_rel;
- HeapTuple old_row;
- RI_QueryKey qkey;
- void *qplan;
- Datum del_values[RI_MAX_NUMKEYS];
- char del_nulls[RI_MAX_NUMKEYS + 1];
- bool isnull;
- int i;
+ TriggerData *trigdata;
+ int tgnargs;
+ char **tgargs;
+ Relation fk_rel;
+ Relation pk_rel;
+ HeapTuple old_row;
+ RI_QueryKey qkey;
+ void *qplan;
+ Datum del_values[RI_MAX_NUMKEYS];
+ char del_nulls[RI_MAX_NUMKEYS + 1];
+ bool isnull;
+ int i;
trigdata = CurrentTriggerData;
- CurrentTriggerData = NULL;
+ CurrentTriggerData = NULL;
ReferentialIntegritySnapshotOverride = true;
/* ----------
*/
if (trigdata == NULL)
elog(ERROR, "RI_FKey_noaction_del() not fired by trigger manager");
- if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
- !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
+ if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
+ !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
elog(ERROR, "RI_FKey_noaction_del() must be fired AFTER ROW");
if (!TRIGGER_FIRED_BY_DELETE(trigdata->tg_event))
elog(ERROR, "RI_FKey_noaction_del() must be fired for DELETE");
/* ----------
- * Check for the correct # of call arguments
+ * Check for the correct # of call arguments
* ----------
*/
tgnargs = trigdata->tg_trigger->tgnargs;
- tgargs = trigdata->tg_trigger->tgargs;
+ tgargs = trigdata->tg_trigger->tgargs;
if (tgnargs < 4 || (tgnargs % 2) != 0)
elog(ERROR, "wrong # of arguments in call to RI_FKey_noaction_del()");
if (tgnargs > RI_MAX_ARGUMENTS)
elog(ERROR, "too many keys (%d max) in call to RI_FKey_noaction_del()",
- RI_MAX_NUMKEYS);
+ RI_MAX_NUMKEYS);
/* ----------
* Nothing to do if no column names to compare given
* the old tuple.
* ----------
*/
- fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
- pk_rel = trigdata->tg_relation;
+ fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
+ pk_rel = trigdata->tg_relation;
old_row = trigdata->tg_trigtuple;
switch (ri_DetermineMatchType(tgargs[RI_MATCH_TYPE_ARGNO]))
{
- /* ----------
- * SQL3 11.9 <referential constraint definition>
- * Gereral rules 6) a) iv):
- * MATCH <unspecified> or MATCH FULL
- * ... ON DELETE CASCADE
- * ----------
- */
+ /* ----------
+ * SQL3 11.9 <referential constraint definition>
+ * Gereral rules 6) a) iv):
+ * MATCH <unspecified> or MATCH FULL
+ * ... ON DELETE CASCADE
+ * ----------
+ */
case RI_MATCH_TYPE_UNSPECIFIED:
case RI_MATCH_TYPE_FULL:
ri_BuildQueryKeyFull(&qkey, trigdata->tg_trigger->tgoid,
- RI_PLAN_NOACTION_DEL_CHECKREF,
- fk_rel, pk_rel,
- tgnargs, tgargs);
+ RI_PLAN_NOACTION_DEL_CHECKREF,
+ fk_rel, pk_rel,
+ tgnargs, tgargs);
switch (ri_NullCheck(pk_rel, old_row, &qkey, RI_KEYPAIR_PK_IDX))
{
*/
heap_close(fk_rel, NoLock);
return NULL;
-
+
case RI_KEYS_NONE_NULL:
/* ----------
* Have a full qualified key - continue below
{
char buf[256];
char querystr[8192];
- char *querysep;
+ char *querysep;
Oid queryoids[RI_MAX_NUMKEYS];
/* ----------
* how to compare these two types by '='.
* ----------
*/
- sprintf(querystr, "SELECT oid FROM \"%s\"",
- tgargs[RI_FK_RELNAME_ARGNO]);
+ sprintf(querystr, "SELECT oid FROM \"%s\"",
+ tgargs[RI_FK_RELNAME_ARGNO]);
querysep = "WHERE";
for (i = 0; i < qkey.nkeypairs; i++)
{
- sprintf(buf, " %s \"%s\" = $%d", querysep,
- tgargs[4 + i * 2], i + 1);
+ sprintf(buf, " %s \"%s\" = $%d", querysep,
+ tgargs[4 + i * 2], i + 1);
strcat(querystr, buf);
querysep = "AND";
queryoids[i] = SPI_gettypeid(pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX]);
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX]);
}
- sprintf(buf, " FOR UPDATE OF \"%s\"",
- tgargs[RI_FK_RELNAME_ARGNO]);
+ sprintf(buf, " FOR UPDATE OF \"%s\"",
+ tgargs[RI_FK_RELNAME_ARGNO]);
strcat(querystr, buf);
/* ----------
for (i = 0; i < qkey.nkeypairs; i++)
{
del_values[i] = SPI_getbinval(old_row,
- pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX],
- &isnull);
- if (isnull)
+ pk_rel->rd_att,
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX],
+ &isnull);
+ if (isnull)
del_nulls[i] = 'n';
else
del_nulls[i] = ' ';
*/
if (SPI_execp(qplan, del_values, del_nulls, 1) != SPI_OK_SELECT)
elog(ERROR, "SPI_execp() failed in RI_FKey_noaction_del()");
-
+
if (SPI_processed > 0)
elog(ERROR, "%s referential integrity violation - "
- "key in %s still referenced from %s",
- tgargs[RI_CONSTRAINT_NAME_ARGNO],
- tgargs[RI_PK_RELNAME_ARGNO],
- tgargs[RI_FK_RELNAME_ARGNO]);
+ "key in %s still referenced from %s",
+ tgargs[RI_CONSTRAINT_NAME_ARGNO],
+ tgargs[RI_PK_RELNAME_ARGNO],
+ tgargs[RI_FK_RELNAME_ARGNO]);
if (SPI_finish() != SPI_OK_FINISH)
elog(NOTICE, "SPI_finish() failed in RI_FKey_noaction_del()");
return NULL;
- /* ----------
- * Handle MATCH PARTIAL restrict delete.
- * ----------
- */
+ /* ----------
+ * Handle MATCH PARTIAL restrict delete.
+ * ----------
+ */
case RI_MATCH_TYPE_PARTIAL:
elog(ERROR, "MATCH PARTIAL not yet supported");
return NULL;
* RI_FKey_noaction_upd -
*
* Give an error and roll back the current transaction if the
- * update has resulted in a violation of the given referential
- * integrity constraint.
+ * update has resulted in a violation of the given referential
+ * integrity constraint.
* ----------
*/
HeapTuple
-RI_FKey_noaction_upd (FmgrInfo *proinfo)
+RI_FKey_noaction_upd(FmgrInfo *proinfo)
{
- TriggerData *trigdata;
- int tgnargs;
- char **tgargs;
- Relation fk_rel;
- Relation pk_rel;
- HeapTuple new_row;
- HeapTuple old_row;
- RI_QueryKey qkey;
- void *qplan;
- Datum upd_values[RI_MAX_NUMKEYS];
- char upd_nulls[RI_MAX_NUMKEYS + 1];
- bool isnull;
- int i;
+ TriggerData *trigdata;
+ int tgnargs;
+ char **tgargs;
+ Relation fk_rel;
+ Relation pk_rel;
+ HeapTuple new_row;
+ HeapTuple old_row;
+ RI_QueryKey qkey;
+ void *qplan;
+ Datum upd_values[RI_MAX_NUMKEYS];
+ char upd_nulls[RI_MAX_NUMKEYS + 1];
+ bool isnull;
+ int i;
trigdata = CurrentTriggerData;
- CurrentTriggerData = NULL;
+ CurrentTriggerData = NULL;
ReferentialIntegritySnapshotOverride = true;
/* ----------
*/
if (trigdata == NULL)
elog(ERROR, "RI_FKey_noaction_upd() not fired by trigger manager");
- if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
- !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
+ if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
+ !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
elog(ERROR, "RI_FKey_noaction_upd() must be fired AFTER ROW");
if (!TRIGGER_FIRED_BY_UPDATE(trigdata->tg_event))
elog(ERROR, "RI_FKey_noaction_upd() must be fired for UPDATE");
/* ----------
- * Check for the correct # of call arguments
+ * Check for the correct # of call arguments
* ----------
*/
tgnargs = trigdata->tg_trigger->tgnargs;
- tgargs = trigdata->tg_trigger->tgargs;
+ tgargs = trigdata->tg_trigger->tgargs;
if (tgnargs < 4 || (tgnargs % 2) != 0)
elog(ERROR, "wrong # of arguments in call to RI_FKey_noaction_upd()");
if (tgnargs > RI_MAX_ARGUMENTS)
elog(ERROR, "too many keys (%d max) in call to RI_FKey_noaction_upd()",
- RI_MAX_NUMKEYS);
+ RI_MAX_NUMKEYS);
/* ----------
* Nothing to do if no column names to compare given
* the new and old tuple.
* ----------
*/
- fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
- pk_rel = trigdata->tg_relation;
+ fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
+ pk_rel = trigdata->tg_relation;
new_row = trigdata->tg_newtuple;
old_row = trigdata->tg_trigtuple;
switch (ri_DetermineMatchType(tgargs[RI_MATCH_TYPE_ARGNO]))
{
- /* ----------
- * SQL3 11.9 <referential constraint definition>
- * Gereral rules 6) a) iv):
- * MATCH <unspecified> or MATCH FULL
- * ... ON DELETE CASCADE
- * ----------
- */
+ /* ----------
+ * SQL3 11.9 <referential constraint definition>
+ * Gereral rules 6) a) iv):
+ * MATCH <unspecified> or MATCH FULL
+ * ... ON DELETE CASCADE
+ * ----------
+ */
case RI_MATCH_TYPE_UNSPECIFIED:
case RI_MATCH_TYPE_FULL:
ri_BuildQueryKeyFull(&qkey, trigdata->tg_trigger->tgoid,
- RI_PLAN_NOACTION_UPD_CHECKREF,
- fk_rel, pk_rel,
- tgnargs, tgargs);
+ RI_PLAN_NOACTION_UPD_CHECKREF,
+ fk_rel, pk_rel,
+ tgnargs, tgargs);
switch (ri_NullCheck(pk_rel, old_row, &qkey, RI_KEYPAIR_PK_IDX))
{
*/
heap_close(fk_rel, NoLock);
return NULL;
-
+
case RI_KEYS_NONE_NULL:
/* ----------
* Have a full qualified key - continue below
* ----------
*/
if (ri_KeysEqual(pk_rel, old_row, new_row, &qkey,
- RI_KEYPAIR_PK_IDX))
+ RI_KEYPAIR_PK_IDX))
return NULL;
if (SPI_connect() != SPI_OK_CONNECT)
{
char buf[256];
char querystr[8192];
- char *querysep;
+ char *querysep;
Oid queryoids[RI_MAX_NUMKEYS];
/* ----------
* how to compare these two types by '='.
* ----------
*/
- sprintf(querystr, "SELECT oid FROM \"%s\"",
- tgargs[RI_FK_RELNAME_ARGNO]);
+ sprintf(querystr, "SELECT oid FROM \"%s\"",
+ tgargs[RI_FK_RELNAME_ARGNO]);
querysep = "WHERE";
for (i = 0; i < qkey.nkeypairs; i++)
{
- sprintf(buf, " %s \"%s\" = $%d", querysep,
- tgargs[4 + i * 2], i + 1);
+ sprintf(buf, " %s \"%s\" = $%d", querysep,
+ tgargs[4 + i * 2], i + 1);
strcat(querystr, buf);
querysep = "AND";
queryoids[i] = SPI_gettypeid(pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX]);
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX]);
}
- sprintf(buf, " FOR UPDATE OF \"%s\"",
- tgargs[RI_FK_RELNAME_ARGNO]);
+ sprintf(buf, " FOR UPDATE OF \"%s\"",
+ tgargs[RI_FK_RELNAME_ARGNO]);
strcat(querystr, buf);
/* ----------
for (i = 0; i < qkey.nkeypairs; i++)
{
upd_values[i] = SPI_getbinval(old_row,
- pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX],
- &isnull);
- if (isnull)
+ pk_rel->rd_att,
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX],
+ &isnull);
+ if (isnull)
upd_nulls[i] = 'n';
else
upd_nulls[i] = ' ';
*/
if (SPI_execp(qplan, upd_values, upd_nulls, 1) != SPI_OK_SELECT)
elog(ERROR, "SPI_execp() failed in RI_FKey_noaction_upd()");
-
+
if (SPI_processed > 0)
elog(ERROR, "%s referential integrity violation - "
- "key in %s still referenced from %s",
- tgargs[RI_CONSTRAINT_NAME_ARGNO],
- tgargs[RI_PK_RELNAME_ARGNO],
- tgargs[RI_FK_RELNAME_ARGNO]);
+ "key in %s still referenced from %s",
+ tgargs[RI_CONSTRAINT_NAME_ARGNO],
+ tgargs[RI_PK_RELNAME_ARGNO],
+ tgargs[RI_FK_RELNAME_ARGNO]);
if (SPI_finish() != SPI_OK_FINISH)
elog(NOTICE, "SPI_finish() failed in RI_FKey_noaction_upd()");
return NULL;
- /* ----------
- * Handle MATCH PARTIAL noaction update.
- * ----------
- */
+ /* ----------
+ * Handle MATCH PARTIAL noaction update.
+ * ----------
+ */
case RI_MATCH_TYPE_PARTIAL:
elog(ERROR, "MATCH PARTIAL not yet supported");
return NULL;
* ----------
*/
HeapTuple
-RI_FKey_cascade_del (FmgrInfo *proinfo)
+RI_FKey_cascade_del(FmgrInfo *proinfo)
{
- TriggerData *trigdata;
- int tgnargs;
- char **tgargs;
- Relation fk_rel;
- Relation pk_rel;
- HeapTuple old_row;
- RI_QueryKey qkey;
- void *qplan;
- Datum del_values[RI_MAX_NUMKEYS];
- char del_nulls[RI_MAX_NUMKEYS + 1];
- bool isnull;
- int i;
+ TriggerData *trigdata;
+ int tgnargs;
+ char **tgargs;
+ Relation fk_rel;
+ Relation pk_rel;
+ HeapTuple old_row;
+ RI_QueryKey qkey;
+ void *qplan;
+ Datum del_values[RI_MAX_NUMKEYS];
+ char del_nulls[RI_MAX_NUMKEYS + 1];
+ bool isnull;
+ int i;
trigdata = CurrentTriggerData;
- CurrentTriggerData = NULL;
+ CurrentTriggerData = NULL;
ReferentialIntegritySnapshotOverride = true;
/* ----------
*/
if (trigdata == NULL)
elog(ERROR, "RI_FKey_cascade_del() not fired by trigger manager");
- if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
- !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
+ if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
+ !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
elog(ERROR, "RI_FKey_cascade_del() must be fired AFTER ROW");
if (!TRIGGER_FIRED_BY_DELETE(trigdata->tg_event))
elog(ERROR, "RI_FKey_cascade_del() must be fired for DELETE");
/* ----------
- * Check for the correct # of call arguments
+ * Check for the correct # of call arguments
* ----------
*/
tgnargs = trigdata->tg_trigger->tgnargs;
- tgargs = trigdata->tg_trigger->tgargs;
+ tgargs = trigdata->tg_trigger->tgargs;
if (tgnargs < 4 || (tgnargs % 2) != 0)
elog(ERROR, "wrong # of arguments in call to RI_FKey_cascade_del()");
if (tgnargs > RI_MAX_ARGUMENTS)
elog(ERROR, "too many keys (%d max) in call to RI_FKey_cascade_del()",
- RI_MAX_NUMKEYS);
+ RI_MAX_NUMKEYS);
/* ----------
* Nothing to do if no column names to compare given
* the old tuple.
* ----------
*/
- fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
- pk_rel = trigdata->tg_relation;
+ fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
+ pk_rel = trigdata->tg_relation;
old_row = trigdata->tg_trigtuple;
switch (ri_DetermineMatchType(tgargs[RI_MATCH_TYPE_ARGNO]))
{
- /* ----------
- * SQL3 11.9 <referential constraint definition>
- * Gereral rules 6) a) i):
- * MATCH <unspecified> or MATCH FULL
- * ... ON DELETE CASCADE
- * ----------
- */
+ /* ----------
+ * SQL3 11.9 <referential constraint definition>
+ * Gereral rules 6) a) i):
+ * MATCH <unspecified> or MATCH FULL
+ * ... ON DELETE CASCADE
+ * ----------
+ */
case RI_MATCH_TYPE_UNSPECIFIED:
case RI_MATCH_TYPE_FULL:
ri_BuildQueryKeyFull(&qkey, trigdata->tg_trigger->tgoid,
- RI_PLAN_CASCADE_DEL_DODELETE,
- fk_rel, pk_rel,
- tgnargs, tgargs);
+ RI_PLAN_CASCADE_DEL_DODELETE,
+ fk_rel, pk_rel,
+ tgnargs, tgargs);
switch (ri_NullCheck(pk_rel, old_row, &qkey, RI_KEYPAIR_PK_IDX))
{
*/
heap_close(fk_rel, NoLock);
return NULL;
-
+
case RI_KEYS_NONE_NULL:
/* ----------
* Have a full qualified key - continue below
{
char buf[256];
char querystr[8192];
- char *querysep;
+ char *querysep;
Oid queryoids[RI_MAX_NUMKEYS];
/* ----------
* how to compare these two types by '='.
* ----------
*/
- sprintf(querystr, "DELETE FROM \"%s\"",
- tgargs[RI_FK_RELNAME_ARGNO]);
+ sprintf(querystr, "DELETE FROM \"%s\"",
+ tgargs[RI_FK_RELNAME_ARGNO]);
querysep = "WHERE";
for (i = 0; i < qkey.nkeypairs; i++)
{
- sprintf(buf, " %s \"%s\" = $%d", querysep,
- tgargs[4 + i * 2], i + 1);
+ sprintf(buf, " %s \"%s\" = $%d", querysep,
+ tgargs[4 + i * 2], i + 1);
strcat(querystr, buf);
querysep = "AND";
queryoids[i] = SPI_gettypeid(pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX]);
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX]);
}
/* ----------
for (i = 0; i < qkey.nkeypairs; i++)
{
del_values[i] = SPI_getbinval(old_row,
- pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX],
- &isnull);
- if (isnull)
+ pk_rel->rd_att,
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX],
+ &isnull);
+ if (isnull)
del_nulls[i] = 'n';
else
del_nulls[i] = ' ';
*/
if (SPI_execp(qplan, del_values, del_nulls, 0) != SPI_OK_DELETE)
elog(ERROR, "SPI_execp() failed in RI_FKey_cascade_del()");
-
+
if (SPI_finish() != SPI_OK_FINISH)
elog(NOTICE, "SPI_finish() failed in RI_FKey_cascade_del()");
return NULL;
- /* ----------
- * Handle MATCH PARTIAL cascaded delete.
- * ----------
- */
+ /* ----------
+ * Handle MATCH PARTIAL cascaded delete.
+ * ----------
+ */
case RI_MATCH_TYPE_PARTIAL:
elog(ERROR, "MATCH PARTIAL not yet supported");
return NULL;
* ----------
*/
HeapTuple
-RI_FKey_cascade_upd (FmgrInfo *proinfo)
+RI_FKey_cascade_upd(FmgrInfo *proinfo)
{
- TriggerData *trigdata;
- int tgnargs;
- char **tgargs;
- Relation fk_rel;
- Relation pk_rel;
- HeapTuple new_row;
- HeapTuple old_row;
- RI_QueryKey qkey;
- void *qplan;
- Datum upd_values[RI_MAX_NUMKEYS * 2];
- char upd_nulls[RI_MAX_NUMKEYS * 2 + 1];
- bool isnull;
- int i;
- int j;
+ TriggerData *trigdata;
+ int tgnargs;
+ char **tgargs;
+ Relation fk_rel;
+ Relation pk_rel;
+ HeapTuple new_row;
+ HeapTuple old_row;
+ RI_QueryKey qkey;
+ void *qplan;
+ Datum upd_values[RI_MAX_NUMKEYS * 2];
+ char upd_nulls[RI_MAX_NUMKEYS * 2 + 1];
+ bool isnull;
+ int i;
+ int j;
trigdata = CurrentTriggerData;
- CurrentTriggerData = NULL;
+ CurrentTriggerData = NULL;
ReferentialIntegritySnapshotOverride = true;
/* ----------
*/
if (trigdata == NULL)
elog(ERROR, "RI_FKey_cascade_upd() not fired by trigger manager");
- if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
- !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
+ if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
+ !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
elog(ERROR, "RI_FKey_cascade_upd() must be fired AFTER ROW");
if (!TRIGGER_FIRED_BY_UPDATE(trigdata->tg_event))
elog(ERROR, "RI_FKey_cascade_upd() must be fired for UPDATE");
/* ----------
- * Check for the correct # of call arguments
+ * Check for the correct # of call arguments
* ----------
*/
tgnargs = trigdata->tg_trigger->tgnargs;
- tgargs = trigdata->tg_trigger->tgargs;
+ tgargs = trigdata->tg_trigger->tgargs;
if (tgnargs < 4 || (tgnargs % 2) != 0)
elog(ERROR, "wrong # of arguments in call to RI_FKey_cascade_upd()");
if (tgnargs > RI_MAX_ARGUMENTS)
elog(ERROR, "too many keys (%d max) in call to RI_FKey_cascade_upd()",
- RI_MAX_NUMKEYS);
+ RI_MAX_NUMKEYS);
/* ----------
* Nothing to do if no column names to compare given
* the new and old tuple.
* ----------
*/
- fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
- pk_rel = trigdata->tg_relation;
+ fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
+ pk_rel = trigdata->tg_relation;
new_row = trigdata->tg_newtuple;
old_row = trigdata->tg_trigtuple;
switch (ri_DetermineMatchType(tgargs[RI_MATCH_TYPE_ARGNO]))
{
- /* ----------
- * SQL3 11.9 <referential constraint definition>
- * Gereral rules 7) a) i):
- * MATCH <unspecified> or MATCH FULL
- * ... ON UPDATE CASCADE
- * ----------
- */
+ /* ----------
+ * SQL3 11.9 <referential constraint definition>
+ * Gereral rules 7) a) i):
+ * MATCH <unspecified> or MATCH FULL
+ * ... ON UPDATE CASCADE
+ * ----------
+ */
case RI_MATCH_TYPE_UNSPECIFIED:
case RI_MATCH_TYPE_FULL:
ri_BuildQueryKeyFull(&qkey, trigdata->tg_trigger->tgoid,
- RI_PLAN_CASCADE_UPD_DOUPDATE,
- fk_rel, pk_rel,
- tgnargs, tgargs);
+ RI_PLAN_CASCADE_UPD_DOUPDATE,
+ fk_rel, pk_rel,
+ tgnargs, tgargs);
switch (ri_NullCheck(pk_rel, old_row, &qkey, RI_KEYPAIR_PK_IDX))
{
*/
heap_close(fk_rel, NoLock);
return NULL;
-
+
case RI_KEYS_NONE_NULL:
/* ----------
* Have a full qualified key - continue below
* ----------
*/
if (ri_KeysEqual(pk_rel, old_row, new_row, &qkey,
- RI_KEYPAIR_PK_IDX))
+ RI_KEYPAIR_PK_IDX))
return NULL;
if (SPI_connect() != SPI_OK_CONNECT)
char buf[256];
char querystr[8192];
char qualstr[8192];
- char *querysep;
- char *qualsep;
+ char *querysep;
+ char *qualsep;
Oid queryoids[RI_MAX_NUMKEYS * 2];
/* ----------
* how to compare these two types by '='.
* ----------
*/
- sprintf(querystr, "UPDATE \"%s\" SET",
- tgargs[RI_FK_RELNAME_ARGNO]);
+ sprintf(querystr, "UPDATE \"%s\" SET",
+ tgargs[RI_FK_RELNAME_ARGNO]);
qualstr[0] = '\0';
querysep = "";
qualsep = "WHERE";
for (i = 0, j = qkey.nkeypairs; i < qkey.nkeypairs; i++, j++)
{
- sprintf(buf, "%s \"%s\" = $%d", querysep,
- tgargs[4 + i * 2], i + 1);
+ sprintf(buf, "%s \"%s\" = $%d", querysep,
+ tgargs[4 + i * 2], i + 1);
strcat(querystr, buf);
sprintf(buf, " %s \"%s\" = $%d", qualsep,
- tgargs[4 + i * 2], j + 1);
+ tgargs[4 + i * 2], j + 1);
strcat(qualstr, buf);
querysep = ",";
qualsep = "AND";
queryoids[i] = SPI_gettypeid(pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX]);
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX]);
queryoids[j] = queryoids[i];
}
strcat(querystr, qualstr);
for (i = 0, j = qkey.nkeypairs; i < qkey.nkeypairs; i++, j++)
{
upd_values[i] = SPI_getbinval(new_row,
- pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX],
- &isnull);
- if (isnull)
+ pk_rel->rd_att,
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX],
+ &isnull);
+ if (isnull)
upd_nulls[i] = 'n';
else
upd_nulls[i] = ' ';
upd_values[j] = SPI_getbinval(old_row,
- pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX],
- &isnull);
- if (isnull)
+ pk_rel->rd_att,
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX],
+ &isnull);
+ if (isnull)
upd_nulls[j] = 'n';
else
upd_nulls[j] = ' ';
*/
if (SPI_execp(qplan, upd_values, upd_nulls, 0) != SPI_OK_UPDATE)
elog(ERROR, "SPI_execp() failed in RI_FKey_cascade_upd()");
-
+
if (SPI_finish() != SPI_OK_FINISH)
elog(NOTICE, "SPI_finish() failed in RI_FKey_cascade_upd()");
return NULL;
- /* ----------
- * Handle MATCH PARTIAL cascade update.
- * ----------
- */
+ /* ----------
+ * Handle MATCH PARTIAL cascade update.
+ * ----------
+ */
case RI_MATCH_TYPE_PARTIAL:
elog(ERROR, "MATCH PARTIAL not yet supported");
return NULL;
*
* Restrict delete from PK table to rows unreferenced by foreign key.
*
- * SQL3 intends that this referential action occur BEFORE the
- * update is performed, rather than after. This appears to be
- * the only difference between "NO ACTION" and "RESTRICT".
+ * SQL3 intends that this referential action occur BEFORE the
+ * update is performed, rather than after. This appears to be
+ * the only difference between "NO ACTION" and "RESTRICT".
*
- * For now, however, we treat "RESTRICT" and "NO ACTION" as
- * equivalent.
+ * For now, however, we treat "RESTRICT" and "NO ACTION" as
+ * equivalent.
* ----------
*/
HeapTuple
-RI_FKey_restrict_del (FmgrInfo *proinfo)
+RI_FKey_restrict_del(FmgrInfo *proinfo)
{
- TriggerData *trigdata;
- int tgnargs;
- char **tgargs;
- Relation fk_rel;
- Relation pk_rel;
- HeapTuple old_row;
- RI_QueryKey qkey;
- void *qplan;
- Datum del_values[RI_MAX_NUMKEYS];
- char del_nulls[RI_MAX_NUMKEYS + 1];
- bool isnull;
- int i;
+ TriggerData *trigdata;
+ int tgnargs;
+ char **tgargs;
+ Relation fk_rel;
+ Relation pk_rel;
+ HeapTuple old_row;
+ RI_QueryKey qkey;
+ void *qplan;
+ Datum del_values[RI_MAX_NUMKEYS];
+ char del_nulls[RI_MAX_NUMKEYS + 1];
+ bool isnull;
+ int i;
trigdata = CurrentTriggerData;
- CurrentTriggerData = NULL;
+ CurrentTriggerData = NULL;
ReferentialIntegritySnapshotOverride = true;
/* ----------
*/
if (trigdata == NULL)
elog(ERROR, "RI_FKey_restrict_del() not fired by trigger manager");
- if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
- !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
+ if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
+ !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
elog(ERROR, "RI_FKey_restrict_del() must be fired AFTER ROW");
if (!TRIGGER_FIRED_BY_DELETE(trigdata->tg_event))
elog(ERROR, "RI_FKey_restrict_del() must be fired for DELETE");
/* ----------
- * Check for the correct # of call arguments
+ * Check for the correct # of call arguments
* ----------
*/
tgnargs = trigdata->tg_trigger->tgnargs;
- tgargs = trigdata->tg_trigger->tgargs;
+ tgargs = trigdata->tg_trigger->tgargs;
if (tgnargs < 4 || (tgnargs % 2) != 0)
elog(ERROR, "wrong # of arguments in call to RI_FKey_restrict_del()");
if (tgnargs > RI_MAX_ARGUMENTS)
elog(ERROR, "too many keys (%d max) in call to RI_FKey_restrict_del()",
- RI_MAX_NUMKEYS);
+ RI_MAX_NUMKEYS);
/* ----------
* Nothing to do if no column names to compare given
* the old tuple.
* ----------
*/
- fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
- pk_rel = trigdata->tg_relation;
+ fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
+ pk_rel = trigdata->tg_relation;
old_row = trigdata->tg_trigtuple;
switch (ri_DetermineMatchType(tgargs[RI_MATCH_TYPE_ARGNO]))
{
- /* ----------
- * SQL3 11.9 <referential constraint definition>
- * Gereral rules 6) a) iv):
- * MATCH <unspecified> or MATCH FULL
- * ... ON DELETE CASCADE
- * ----------
- */
+ /* ----------
+ * SQL3 11.9 <referential constraint definition>
+ * Gereral rules 6) a) iv):
+ * MATCH <unspecified> or MATCH FULL
+ * ... ON DELETE CASCADE
+ * ----------
+ */
case RI_MATCH_TYPE_UNSPECIFIED:
case RI_MATCH_TYPE_FULL:
ri_BuildQueryKeyFull(&qkey, trigdata->tg_trigger->tgoid,
- RI_PLAN_RESTRICT_DEL_CHECKREF,
- fk_rel, pk_rel,
- tgnargs, tgargs);
+ RI_PLAN_RESTRICT_DEL_CHECKREF,
+ fk_rel, pk_rel,
+ tgnargs, tgargs);
switch (ri_NullCheck(pk_rel, old_row, &qkey, RI_KEYPAIR_PK_IDX))
{
*/
heap_close(fk_rel, NoLock);
return NULL;
-
+
case RI_KEYS_NONE_NULL:
/* ----------
* Have a full qualified key - continue below
{
char buf[256];
char querystr[8192];
- char *querysep;
+ char *querysep;
Oid queryoids[RI_MAX_NUMKEYS];
/* ----------
* how to compare these two types by '='.
* ----------
*/
- sprintf(querystr, "SELECT oid FROM \"%s\"",
- tgargs[RI_FK_RELNAME_ARGNO]);
+ sprintf(querystr, "SELECT oid FROM \"%s\"",
+ tgargs[RI_FK_RELNAME_ARGNO]);
querysep = "WHERE";
for (i = 0; i < qkey.nkeypairs; i++)
{
- sprintf(buf, " %s \"%s\" = $%d", querysep,
- tgargs[4 + i * 2], i + 1);
+ sprintf(buf, " %s \"%s\" = $%d", querysep,
+ tgargs[4 + i * 2], i + 1);
strcat(querystr, buf);
querysep = "AND";
queryoids[i] = SPI_gettypeid(pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX]);
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX]);
}
- sprintf(buf, " FOR UPDATE OF \"%s\"",
- tgargs[RI_FK_RELNAME_ARGNO]);
+ sprintf(buf, " FOR UPDATE OF \"%s\"",
+ tgargs[RI_FK_RELNAME_ARGNO]);
strcat(querystr, buf);
/* ----------
for (i = 0; i < qkey.nkeypairs; i++)
{
del_values[i] = SPI_getbinval(old_row,
- pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX],
- &isnull);
- if (isnull)
+ pk_rel->rd_att,
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX],
+ &isnull);
+ if (isnull)
del_nulls[i] = 'n';
else
del_nulls[i] = ' ';
*/
if (SPI_execp(qplan, del_values, del_nulls, 1) != SPI_OK_SELECT)
elog(ERROR, "SPI_execp() failed in RI_FKey_restrict_del()");
-
+
if (SPI_processed > 0)
elog(ERROR, "%s referential integrity violation - "
- "key in %s still referenced from %s",
- tgargs[RI_CONSTRAINT_NAME_ARGNO],
- tgargs[RI_PK_RELNAME_ARGNO],
- tgargs[RI_FK_RELNAME_ARGNO]);
+ "key in %s still referenced from %s",
+ tgargs[RI_CONSTRAINT_NAME_ARGNO],
+ tgargs[RI_PK_RELNAME_ARGNO],
+ tgargs[RI_FK_RELNAME_ARGNO]);
if (SPI_finish() != SPI_OK_FINISH)
elog(NOTICE, "SPI_finish() failed in RI_FKey_restrict_del()");
return NULL;
- /* ----------
- * Handle MATCH PARTIAL restrict delete.
- * ----------
- */
+ /* ----------
+ * Handle MATCH PARTIAL restrict delete.
+ * ----------
+ */
case RI_MATCH_TYPE_PARTIAL:
elog(ERROR, "MATCH PARTIAL not yet supported");
return NULL;
*
* Restrict update of PK to rows unreferenced by foreign key.
*
- * SQL3 intends that this referential action occur BEFORE the
- * update is performed, rather than after. This appears to be
- * the only difference between "NO ACTION" and "RESTRICT".
+ * SQL3 intends that this referential action occur BEFORE the
+ * update is performed, rather than after. This appears to be
+ * the only difference between "NO ACTION" and "RESTRICT".
*
- * For now, however, we treat "RESTRICT" and "NO ACTION" as
- * equivalent.
+ * For now, however, we treat "RESTRICT" and "NO ACTION" as
+ * equivalent.
* ----------
*/
HeapTuple
-RI_FKey_restrict_upd (FmgrInfo *proinfo)
+RI_FKey_restrict_upd(FmgrInfo *proinfo)
{
- TriggerData *trigdata;
- int tgnargs;
- char **tgargs;
- Relation fk_rel;
- Relation pk_rel;
- HeapTuple new_row;
- HeapTuple old_row;
- RI_QueryKey qkey;
- void *qplan;
- Datum upd_values[RI_MAX_NUMKEYS];
- char upd_nulls[RI_MAX_NUMKEYS + 1];
- bool isnull;
- int i;
+ TriggerData *trigdata;
+ int tgnargs;
+ char **tgargs;
+ Relation fk_rel;
+ Relation pk_rel;
+ HeapTuple new_row;
+ HeapTuple old_row;
+ RI_QueryKey qkey;
+ void *qplan;
+ Datum upd_values[RI_MAX_NUMKEYS];
+ char upd_nulls[RI_MAX_NUMKEYS + 1];
+ bool isnull;
+ int i;
trigdata = CurrentTriggerData;
- CurrentTriggerData = NULL;
+ CurrentTriggerData = NULL;
ReferentialIntegritySnapshotOverride = true;
/* ----------
*/
if (trigdata == NULL)
elog(ERROR, "RI_FKey_restrict_upd() not fired by trigger manager");
- if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
- !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
+ if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
+ !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
elog(ERROR, "RI_FKey_restrict_upd() must be fired AFTER ROW");
if (!TRIGGER_FIRED_BY_UPDATE(trigdata->tg_event))
elog(ERROR, "RI_FKey_restrict_upd() must be fired for UPDATE");
/* ----------
- * Check for the correct # of call arguments
+ * Check for the correct # of call arguments
* ----------
*/
tgnargs = trigdata->tg_trigger->tgnargs;
- tgargs = trigdata->tg_trigger->tgargs;
+ tgargs = trigdata->tg_trigger->tgargs;
if (tgnargs < 4 || (tgnargs % 2) != 0)
elog(ERROR, "wrong # of arguments in call to RI_FKey_restrict_upd()");
if (tgnargs > RI_MAX_ARGUMENTS)
elog(ERROR, "too many keys (%d max) in call to RI_FKey_restrict_upd()",
- RI_MAX_NUMKEYS);
+ RI_MAX_NUMKEYS);
/* ----------
* Nothing to do if no column names to compare given
* the new and old tuple.
* ----------
*/
- fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
- pk_rel = trigdata->tg_relation;
+ fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
+ pk_rel = trigdata->tg_relation;
new_row = trigdata->tg_newtuple;
old_row = trigdata->tg_trigtuple;
switch (ri_DetermineMatchType(tgargs[RI_MATCH_TYPE_ARGNO]))
{
- /* ----------
- * SQL3 11.9 <referential constraint definition>
- * Gereral rules 6) a) iv):
- * MATCH <unspecified> or MATCH FULL
- * ... ON DELETE CASCADE
- * ----------
- */
+ /* ----------
+ * SQL3 11.9 <referential constraint definition>
+ * Gereral rules 6) a) iv):
+ * MATCH <unspecified> or MATCH FULL
+ * ... ON DELETE CASCADE
+ * ----------
+ */
case RI_MATCH_TYPE_UNSPECIFIED:
case RI_MATCH_TYPE_FULL:
ri_BuildQueryKeyFull(&qkey, trigdata->tg_trigger->tgoid,
- RI_PLAN_RESTRICT_UPD_CHECKREF,
- fk_rel, pk_rel,
- tgnargs, tgargs);
+ RI_PLAN_RESTRICT_UPD_CHECKREF,
+ fk_rel, pk_rel,
+ tgnargs, tgargs);
switch (ri_NullCheck(pk_rel, old_row, &qkey, RI_KEYPAIR_PK_IDX))
{
*/
heap_close(fk_rel, NoLock);
return NULL;
-
+
case RI_KEYS_NONE_NULL:
/* ----------
* Have a full qualified key - continue below
* ----------
*/
if (ri_KeysEqual(pk_rel, old_row, new_row, &qkey,
- RI_KEYPAIR_PK_IDX))
+ RI_KEYPAIR_PK_IDX))
return NULL;
if (SPI_connect() != SPI_OK_CONNECT)
{
char buf[256];
char querystr[8192];
- char *querysep;
+ char *querysep;
Oid queryoids[RI_MAX_NUMKEYS];
/* ----------
* how to compare these two types by '='.
* ----------
*/
- sprintf(querystr, "SELECT oid FROM \"%s\"",
- tgargs[RI_FK_RELNAME_ARGNO]);
+ sprintf(querystr, "SELECT oid FROM \"%s\"",
+ tgargs[RI_FK_RELNAME_ARGNO]);
querysep = "WHERE";
for (i = 0; i < qkey.nkeypairs; i++)
{
- sprintf(buf, " %s \"%s\" = $%d", querysep,
- tgargs[4 + i * 2], i + 1);
+ sprintf(buf, " %s \"%s\" = $%d", querysep,
+ tgargs[4 + i * 2], i + 1);
strcat(querystr, buf);
querysep = "AND";
queryoids[i] = SPI_gettypeid(pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX]);
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX]);
}
- sprintf(buf, " FOR UPDATE OF \"%s\"",
- tgargs[RI_FK_RELNAME_ARGNO]);
+ sprintf(buf, " FOR UPDATE OF \"%s\"",
+ tgargs[RI_FK_RELNAME_ARGNO]);
strcat(querystr, buf);
/* ----------
for (i = 0; i < qkey.nkeypairs; i++)
{
upd_values[i] = SPI_getbinval(old_row,
- pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX],
- &isnull);
- if (isnull)
+ pk_rel->rd_att,
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX],
+ &isnull);
+ if (isnull)
upd_nulls[i] = 'n';
else
upd_nulls[i] = ' ';
*/
if (SPI_execp(qplan, upd_values, upd_nulls, 1) != SPI_OK_SELECT)
elog(ERROR, "SPI_execp() failed in RI_FKey_restrict_upd()");
-
+
if (SPI_processed > 0)
elog(ERROR, "%s referential integrity violation - "
- "key in %s still referenced from %s",
- tgargs[RI_CONSTRAINT_NAME_ARGNO],
- tgargs[RI_PK_RELNAME_ARGNO],
- tgargs[RI_FK_RELNAME_ARGNO]);
+ "key in %s still referenced from %s",
+ tgargs[RI_CONSTRAINT_NAME_ARGNO],
+ tgargs[RI_PK_RELNAME_ARGNO],
+ tgargs[RI_FK_RELNAME_ARGNO]);
if (SPI_finish() != SPI_OK_FINISH)
elog(NOTICE, "SPI_finish() failed in RI_FKey_restrict_upd()");
return NULL;
- /* ----------
- * Handle MATCH PARTIAL restrict update.
- * ----------
- */
+ /* ----------
+ * Handle MATCH PARTIAL restrict update.
+ * ----------
+ */
case RI_MATCH_TYPE_PARTIAL:
elog(ERROR, "MATCH PARTIAL not yet supported");
return NULL;
* ----------
*/
HeapTuple
-RI_FKey_setnull_del (FmgrInfo *proinfo)
+RI_FKey_setnull_del(FmgrInfo *proinfo)
{
- TriggerData *trigdata;
- int tgnargs;
- char **tgargs;
- Relation fk_rel;
- Relation pk_rel;
- HeapTuple old_row;
- RI_QueryKey qkey;
- void *qplan;
- Datum upd_values[RI_MAX_NUMKEYS];
- char upd_nulls[RI_MAX_NUMKEYS + 1];
- bool isnull;
- int i;
+ TriggerData *trigdata;
+ int tgnargs;
+ char **tgargs;
+ Relation fk_rel;
+ Relation pk_rel;
+ HeapTuple old_row;
+ RI_QueryKey qkey;
+ void *qplan;
+ Datum upd_values[RI_MAX_NUMKEYS];
+ char upd_nulls[RI_MAX_NUMKEYS + 1];
+ bool isnull;
+ int i;
trigdata = CurrentTriggerData;
- CurrentTriggerData = NULL;
+ CurrentTriggerData = NULL;
ReferentialIntegritySnapshotOverride = true;
/* ----------
*/
if (trigdata == NULL)
elog(ERROR, "RI_FKey_setnull_del() not fired by trigger manager");
- if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
- !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
+ if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
+ !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
elog(ERROR, "RI_FKey_setnull_del() must be fired AFTER ROW");
if (!TRIGGER_FIRED_BY_DELETE(trigdata->tg_event))
elog(ERROR, "RI_FKey_setnull_del() must be fired for DELETE");
/* ----------
- * Check for the correct # of call arguments
+ * Check for the correct # of call arguments
* ----------
*/
tgnargs = trigdata->tg_trigger->tgnargs;
- tgargs = trigdata->tg_trigger->tgargs;
+ tgargs = trigdata->tg_trigger->tgargs;
if (tgnargs < 4 || (tgnargs % 2) != 0)
elog(ERROR, "wrong # of arguments in call to RI_FKey_setnull_del()");
if (tgnargs > RI_MAX_ARGUMENTS)
elog(ERROR, "too many keys (%d max) in call to RI_FKey_setnull_del()",
- RI_MAX_NUMKEYS);
+ RI_MAX_NUMKEYS);
/* ----------
* Nothing to do if no column names to compare given
* the old tuple.
* ----------
*/
- fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
- pk_rel = trigdata->tg_relation;
+ fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
+ pk_rel = trigdata->tg_relation;
old_row = trigdata->tg_trigtuple;
switch (ri_DetermineMatchType(tgargs[RI_MATCH_TYPE_ARGNO]))
{
- /* ----------
- * SQL3 11.9 <referential constraint definition>
- * Gereral rules 6) a) ii):
- * MATCH <UNSPECIFIED> or MATCH FULL
- * ... ON DELETE SET NULL
- * ----------
- */
+ /* ----------
+ * SQL3 11.9 <referential constraint definition>
+ * Gereral rules 6) a) ii):
+ * MATCH <UNSPECIFIED> or MATCH FULL
+ * ... ON DELETE SET NULL
+ * ----------
+ */
case RI_MATCH_TYPE_UNSPECIFIED:
case RI_MATCH_TYPE_FULL:
ri_BuildQueryKeyFull(&qkey, trigdata->tg_trigger->tgoid,
- RI_PLAN_SETNULL_DEL_DOUPDATE,
- fk_rel, pk_rel,
- tgnargs, tgargs);
+ RI_PLAN_SETNULL_DEL_DOUPDATE,
+ fk_rel, pk_rel,
+ tgnargs, tgargs);
switch (ri_NullCheck(pk_rel, old_row, &qkey, RI_KEYPAIR_PK_IDX))
{
*/
heap_close(fk_rel, NoLock);
return NULL;
-
+
case RI_KEYS_NONE_NULL:
/* ----------
* Have a full qualified key - continue below
char buf[256];
char querystr[8192];
char qualstr[8192];
- char *querysep;
- char *qualsep;
+ char *querysep;
+ char *qualsep;
Oid queryoids[RI_MAX_NUMKEYS];
/* ----------
* how to compare these two types by '='.
* ----------
*/
- sprintf(querystr, "UPDATE \"%s\" SET",
- tgargs[RI_FK_RELNAME_ARGNO]);
+ sprintf(querystr, "UPDATE \"%s\" SET",
+ tgargs[RI_FK_RELNAME_ARGNO]);
qualstr[0] = '\0';
querysep = "";
qualsep = "WHERE";
for (i = 0; i < qkey.nkeypairs; i++)
{
- sprintf(buf, "%s \"%s\" = NULL", querysep,
- tgargs[4 + i * 2]);
+ sprintf(buf, "%s \"%s\" = NULL", querysep,
+ tgargs[4 + i * 2]);
strcat(querystr, buf);
sprintf(buf, " %s \"%s\" = $%d", qualsep,
- tgargs[4 + i * 2], i + 1);
+ tgargs[4 + i * 2], i + 1);
strcat(qualstr, buf);
querysep = ",";
qualsep = "AND";
queryoids[i] = SPI_gettypeid(pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX]);
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX]);
}
strcat(querystr, qualstr);
for (i = 0; i < qkey.nkeypairs; i++)
{
upd_values[i] = SPI_getbinval(old_row,
- pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX],
- &isnull);
- if (isnull)
+ pk_rel->rd_att,
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX],
+ &isnull);
+ if (isnull)
upd_nulls[i] = 'n';
else
upd_nulls[i] = ' ';
*/
if (SPI_execp(qplan, upd_values, upd_nulls, 0) != SPI_OK_UPDATE)
elog(ERROR, "SPI_execp() failed in RI_FKey_setnull_del()");
-
+
if (SPI_finish() != SPI_OK_FINISH)
elog(NOTICE, "SPI_finish() failed in RI_FKey_setnull_del()");
return NULL;
- /* ----------
- * Handle MATCH PARTIAL set null delete.
- * ----------
- */
+ /* ----------
+ * Handle MATCH PARTIAL set null delete.
+ * ----------
+ */
case RI_MATCH_TYPE_PARTIAL:
elog(ERROR, "MATCH PARTIAL not yet supported");
return NULL;
* ----------
*/
HeapTuple
-RI_FKey_setnull_upd (FmgrInfo *proinfo)
+RI_FKey_setnull_upd(FmgrInfo *proinfo)
{
- TriggerData *trigdata;
- int tgnargs;
- char **tgargs;
- Relation fk_rel;
- Relation pk_rel;
- HeapTuple new_row;
- HeapTuple old_row;
- RI_QueryKey qkey;
- void *qplan;
- Datum upd_values[RI_MAX_NUMKEYS];
- char upd_nulls[RI_MAX_NUMKEYS + 1];
- bool isnull;
- int i;
- int match_type;
- bool use_cached_query;
+ TriggerData *trigdata;
+ int tgnargs;
+ char **tgargs;
+ Relation fk_rel;
+ Relation pk_rel;
+ HeapTuple new_row;
+ HeapTuple old_row;
+ RI_QueryKey qkey;
+ void *qplan;
+ Datum upd_values[RI_MAX_NUMKEYS];
+ char upd_nulls[RI_MAX_NUMKEYS + 1];
+ bool isnull;
+ int i;
+ int match_type;
+ bool use_cached_query;
trigdata = CurrentTriggerData;
- CurrentTriggerData = NULL;
+ CurrentTriggerData = NULL;
ReferentialIntegritySnapshotOverride = true;
/* ----------
*/
if (trigdata == NULL)
elog(ERROR, "RI_FKey_setnull_upd() not fired by trigger manager");
- if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
- !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
+ if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
+ !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
elog(ERROR, "RI_FKey_setnull_upd() must be fired AFTER ROW");
if (!TRIGGER_FIRED_BY_UPDATE(trigdata->tg_event))
elog(ERROR, "RI_FKey_setnull_upd() must be fired for UPDATE");
/* ----------
- * Check for the correct # of call arguments
+ * Check for the correct # of call arguments
* ----------
*/
tgnargs = trigdata->tg_trigger->tgnargs;
- tgargs = trigdata->tg_trigger->tgargs;
+ tgargs = trigdata->tg_trigger->tgargs;
if (tgnargs < 4 || (tgnargs % 2) != 0)
elog(ERROR, "wrong # of arguments in call to RI_FKey_setnull_upd()");
if (tgnargs > RI_MAX_ARGUMENTS)
elog(ERROR, "too many keys (%d max) in call to RI_FKey_setnull_upd()",
- RI_MAX_NUMKEYS);
+ RI_MAX_NUMKEYS);
/* ----------
* Nothing to do if no column names to compare given
* the old tuple.
* ----------
*/
- fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
- pk_rel = trigdata->tg_relation;
+ fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
+ pk_rel = trigdata->tg_relation;
new_row = trigdata->tg_newtuple;
old_row = trigdata->tg_trigtuple;
match_type = ri_DetermineMatchType(tgargs[RI_MATCH_TYPE_ARGNO]);
switch (match_type)
{
- /* ----------
- * SQL3 11.9 <referential constraint definition>
- * Gereral rules 7) a) ii) 2):
- * MATCH FULL
- * ... ON UPDATE SET NULL
- * ----------
- */
+ /* ----------
+ * SQL3 11.9 <referential constraint definition>
+ * Gereral rules 7) a) ii) 2):
+ * MATCH FULL
+ * ... ON UPDATE SET NULL
+ * ----------
+ */
case RI_MATCH_TYPE_UNSPECIFIED:
case RI_MATCH_TYPE_FULL:
ri_BuildQueryKeyFull(&qkey, trigdata->tg_trigger->tgoid,
- RI_PLAN_SETNULL_UPD_DOUPDATE,
- fk_rel, pk_rel,
- tgnargs, tgargs);
+ RI_PLAN_SETNULL_UPD_DOUPDATE,
+ fk_rel, pk_rel,
+ tgnargs, tgargs);
switch (ri_NullCheck(pk_rel, old_row, &qkey, RI_KEYPAIR_PK_IDX))
{
*/
heap_close(fk_rel, NoLock);
return NULL;
-
+
case RI_KEYS_NONE_NULL:
/* ----------
* Have a full qualified key - continue below
* ----------
*/
if (ri_KeysEqual(pk_rel, old_row, new_row, &qkey,
- RI_KEYPAIR_PK_IDX))
+ RI_KEYPAIR_PK_IDX))
return NULL;
if (SPI_connect() != SPI_OK_CONNECT)
elog(NOTICE, "SPI_connect() failed in RI_FKey_setnull_upd()");
- /* "MATCH <unspecified>" only changes columns corresponding to
- * the referenced columns that have changed in pk_rel. This means
- * the "SET attrn=NULL [, attrn=NULL]" string will be change as
- * well. In this case, we need to build a temporary plan
- * rather than use our cached plan, unless the update happens
- * to change all columns in the key. Fortunately, for the most
- * common case of a single-column foreign key, this will be
- * true.
+ /*
+ * "MATCH <unspecified>" only changes columns corresponding to
+ * the referenced columns that have changed in pk_rel. This
+ * means the "SET attrn=NULL [, attrn=NULL]" string will be
+ * change as well. In this case, we need to build a temporary
+ * plan rather than use our cached plan, unless the update
+ * happens to change all columns in the key. Fortunately, for
+ * the most common case of a single-column foreign key, this
+ * will be true.
*
* In case you're wondering, the inequality check works because
* we know that the old key value has no NULLs (see above).
*/
use_cached_query = match_type == RI_MATCH_TYPE_FULL ||
- ri_AllKeysUnequal(pk_rel, old_row, new_row,
- &qkey, RI_KEYPAIR_PK_IDX);
+ ri_AllKeysUnequal(pk_rel, old_row, new_row,
+ &qkey, RI_KEYPAIR_PK_IDX);
/* ----------
* Fetch or prepare a saved plan for the set null update
char buf[256];
char querystr[8192];
char qualstr[8192];
- char *querysep;
- char *qualsep;
+ char *querysep;
+ char *qualsep;
Oid queryoids[RI_MAX_NUMKEYS];
/* ----------
* how to compare these two types by '='.
* ----------
*/
- sprintf(querystr, "UPDATE \"%s\" SET",
- tgargs[RI_FK_RELNAME_ARGNO]);
+ sprintf(querystr, "UPDATE \"%s\" SET",
+ tgargs[RI_FK_RELNAME_ARGNO]);
qualstr[0] = '\0';
querysep = "";
qualsep = "WHERE";
for (i = 0; i < qkey.nkeypairs; i++)
{
- /* MATCH <unspecified> - only change columns corresponding
- * to changed columns in pk_rel's key
+
+ /*
+ * MATCH <unspecified> - only change columns
+ * corresponding to changed columns in pk_rel's key
*/
if (match_type == RI_MATCH_TYPE_FULL ||
- !ri_OneKeyEqual(pk_rel, i, old_row, new_row, &qkey,
- RI_KEYPAIR_PK_IDX))
+ !ri_OneKeyEqual(pk_rel, i, old_row, new_row, &qkey,
+ RI_KEYPAIR_PK_IDX))
{
- sprintf(buf, "%s \"%s\" = NULL", querysep,
- tgargs[4 + i * 2]);
+ sprintf(buf, "%s \"%s\" = NULL", querysep,
+ tgargs[4 + i * 2]);
strcat(querystr, buf);
querysep = ",";
}
sprintf(buf, " %s \"%s\" = $%d", qualsep,
- tgargs[4 + i * 2], i + 1);
+ tgargs[4 + i * 2], i + 1);
strcat(qualstr, buf);
qualsep = "AND";
queryoids[i] = SPI_gettypeid(pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX]);
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX]);
}
strcat(querystr, qualstr);
*/
qplan = SPI_prepare(querystr, qkey.nkeypairs, queryoids);
- /* Save and remember the plan if we're building the "standard"
- * plan.
+ /*
+ * Save and remember the plan if we're building the
+ * "standard" plan.
*/
if (use_cached_query)
{
for (i = 0; i < qkey.nkeypairs; i++)
{
upd_values[i] = SPI_getbinval(old_row,
- pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX],
- &isnull);
- if (isnull)
+ pk_rel->rd_att,
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX],
+ &isnull);
+ if (isnull)
upd_nulls[i] = 'n';
else
upd_nulls[i] = ' ';
*/
if (SPI_execp(qplan, upd_values, upd_nulls, 0) != SPI_OK_UPDATE)
elog(ERROR, "SPI_execp() failed in RI_FKey_setnull_upd()");
-
+
if (SPI_finish() != SPI_OK_FINISH)
elog(NOTICE, "SPI_finish() failed in RI_FKey_setnull_upd()");
return NULL;
- /* ----------
- * Handle MATCH PARTIAL set null update.
- * ----------
- */
+ /* ----------
+ * Handle MATCH PARTIAL set null update.
+ * ----------
+ */
case RI_MATCH_TYPE_PARTIAL:
elog(ERROR, "MATCH PARTIAL not yet supported");
return NULL;
* ----------
*/
HeapTuple
-RI_FKey_setdefault_del (FmgrInfo *proinfo)
+RI_FKey_setdefault_del(FmgrInfo *proinfo)
{
- TriggerData *trigdata;
- int tgnargs;
- char **tgargs;
- Relation fk_rel;
- Relation pk_rel;
- HeapTuple old_row;
- RI_QueryKey qkey;
- void *qplan;
- Datum upd_values[RI_MAX_NUMKEYS];
- char upd_nulls[RI_MAX_NUMKEYS + 1];
- bool isnull;
- int i;
+ TriggerData *trigdata;
+ int tgnargs;
+ char **tgargs;
+ Relation fk_rel;
+ Relation pk_rel;
+ HeapTuple old_row;
+ RI_QueryKey qkey;
+ void *qplan;
+ Datum upd_values[RI_MAX_NUMKEYS];
+ char upd_nulls[RI_MAX_NUMKEYS + 1];
+ bool isnull;
+ int i;
trigdata = CurrentTriggerData;
- CurrentTriggerData = NULL;
+ CurrentTriggerData = NULL;
ReferentialIntegritySnapshotOverride = true;
/* ----------
*/
if (trigdata == NULL)
elog(ERROR, "RI_FKey_setdefault_del() not fired by trigger manager");
- if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
- !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
+ if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
+ !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
elog(ERROR, "RI_FKey_setdefault_del() must be fired AFTER ROW");
if (!TRIGGER_FIRED_BY_DELETE(trigdata->tg_event))
elog(ERROR, "RI_FKey_setdefault_del() must be fired for DELETE");
/* ----------
- * Check for the correct # of call arguments
+ * Check for the correct # of call arguments
* ----------
*/
tgnargs = trigdata->tg_trigger->tgnargs;
- tgargs = trigdata->tg_trigger->tgargs;
+ tgargs = trigdata->tg_trigger->tgargs;
if (tgnargs < 4 || (tgnargs % 2) != 0)
elog(ERROR, "wrong # of arguments in call to RI_FKey_setdefault_del()");
if (tgnargs > RI_MAX_ARGUMENTS)
elog(ERROR, "too many keys (%d max) in call to RI_FKey_setdefault_del()",
- RI_MAX_NUMKEYS);
+ RI_MAX_NUMKEYS);
/* ----------
* Nothing to do if no column names to compare given
* the old tuple.
* ----------
*/
- fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
- pk_rel = trigdata->tg_relation;
+ fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
+ pk_rel = trigdata->tg_relation;
old_row = trigdata->tg_trigtuple;
switch (ri_DetermineMatchType(tgargs[RI_MATCH_TYPE_ARGNO]))
{
- /* ----------
- * SQL3 11.9 <referential constraint definition>
- * Gereral rules 6) a) iii):
- * MATCH <UNSPECIFIED> or MATCH FULL
- * ... ON DELETE SET DEFAULT
- * ----------
- */
+ /* ----------
+ * SQL3 11.9 <referential constraint definition>
+ * Gereral rules 6) a) iii):
+ * MATCH <UNSPECIFIED> or MATCH FULL
+ * ... ON DELETE SET DEFAULT
+ * ----------
+ */
case RI_MATCH_TYPE_UNSPECIFIED:
case RI_MATCH_TYPE_FULL:
ri_BuildQueryKeyFull(&qkey, trigdata->tg_trigger->tgoid,
- RI_PLAN_SETNULL_DEL_DOUPDATE,
- fk_rel, pk_rel,
- tgnargs, tgargs);
+ RI_PLAN_SETNULL_DEL_DOUPDATE,
+ fk_rel, pk_rel,
+ tgnargs, tgargs);
switch (ri_NullCheck(pk_rel, old_row, &qkey, RI_KEYPAIR_PK_IDX))
{
*/
heap_close(fk_rel, NoLock);
return NULL;
-
+
case RI_KEYS_NONE_NULL:
/* ----------
* Have a full qualified key - continue below
char buf[256];
char querystr[8192];
char qualstr[8192];
- char *querysep;
- char *qualsep;
+ char *querysep;
+ char *qualsep;
Oid queryoids[RI_MAX_NUMKEYS];
- Plan *spi_plan;
- AttrDefault *defval;
- TargetEntry *spi_qptle;
- int i, j;
+ Plan *spi_plan;
+ AttrDefault *defval;
+ TargetEntry *spi_qptle;
+ int i,
+ j;
/* ----------
* The query string built is
* how to compare these two types by '='.
* ----------
*/
- sprintf(querystr, "UPDATE \"%s\" SET",
- tgargs[RI_FK_RELNAME_ARGNO]);
+ sprintf(querystr, "UPDATE \"%s\" SET",
+ tgargs[RI_FK_RELNAME_ARGNO]);
qualstr[0] = '\0';
querysep = "";
qualsep = "WHERE";
for (i = 0; i < qkey.nkeypairs; i++)
{
- sprintf(buf, "%s \"%s\" = NULL", querysep,
- tgargs[4 + i * 2]);
+ sprintf(buf, "%s \"%s\" = NULL", querysep,
+ tgargs[4 + i * 2]);
strcat(querystr, buf);
sprintf(buf, " %s \"%s\" = $%d", qualsep,
- tgargs[4 + i * 2], i + 1);
+ tgargs[4 + i * 2], i + 1);
strcat(qualstr, buf);
querysep = ",";
qualsep = "AND";
queryoids[i] = SPI_gettypeid(pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX]);
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX]);
}
strcat(querystr, qualstr);
* in the tuple constructor.
* ----------
*/
- spi_plan = (Plan *)lfirst(((_SPI_plan *)qplan)->ptlist);
+ spi_plan = (Plan *) lfirst(((_SPI_plan *) qplan)->ptlist);
if (fk_rel->rd_att->constr != NULL)
defval = fk_rel->rd_att->constr->defval;
else
*/
for (j = 0; j < fk_rel->rd_att->constr->num_defval; j++)
{
- if (defval[j].adnum ==
- qkey.keypair[i][RI_KEYPAIR_FK_IDX])
+ if (defval[j].adnum ==
+ qkey.keypair[i][RI_KEYPAIR_FK_IDX])
{
/* ----------
* That's the one - push the expression
* ----------
*/
spi_qptle = (TargetEntry *)
- nth(defval[j].adnum - 1,
- spi_plan->targetlist);
+ nth(defval[j].adnum - 1,
+ spi_plan->targetlist);
spi_qptle->expr = stringToNode(defval[j].adbin);
break;
for (i = 0; i < qkey.nkeypairs; i++)
{
upd_values[i] = SPI_getbinval(old_row,
- pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX],
- &isnull);
- if (isnull)
+ pk_rel->rd_att,
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX],
+ &isnull);
+ if (isnull)
upd_nulls[i] = 'n';
else
upd_nulls[i] = ' ';
*/
if (SPI_execp(qplan, upd_values, upd_nulls, 0) != SPI_OK_UPDATE)
elog(ERROR, "SPI_execp() failed in RI_FKey_setdefault_del()");
-
+
if (SPI_finish() != SPI_OK_FINISH)
elog(NOTICE, "SPI_finish() failed in RI_FKey_setdefault_del()");
return NULL;
- /* ----------
- * Handle MATCH PARTIAL set null delete.
- * ----------
- */
+ /* ----------
+ * Handle MATCH PARTIAL set null delete.
+ * ----------
+ */
case RI_MATCH_TYPE_PARTIAL:
elog(ERROR, "MATCH PARTIAL not yet supported");
return NULL;
* ----------
*/
HeapTuple
-RI_FKey_setdefault_upd (FmgrInfo *proinfo)
+RI_FKey_setdefault_upd(FmgrInfo *proinfo)
{
- TriggerData *trigdata;
- int tgnargs;
- char **tgargs;
- Relation fk_rel;
- Relation pk_rel;
- HeapTuple new_row;
- HeapTuple old_row;
- RI_QueryKey qkey;
- void *qplan;
- Datum upd_values[RI_MAX_NUMKEYS];
- char upd_nulls[RI_MAX_NUMKEYS + 1];
- bool isnull;
- int i;
- int match_type;
+ TriggerData *trigdata;
+ int tgnargs;
+ char **tgargs;
+ Relation fk_rel;
+ Relation pk_rel;
+ HeapTuple new_row;
+ HeapTuple old_row;
+ RI_QueryKey qkey;
+ void *qplan;
+ Datum upd_values[RI_MAX_NUMKEYS];
+ char upd_nulls[RI_MAX_NUMKEYS + 1];
+ bool isnull;
+ int i;
+ int match_type;
trigdata = CurrentTriggerData;
- CurrentTriggerData = NULL;
+ CurrentTriggerData = NULL;
ReferentialIntegritySnapshotOverride = true;
/* ----------
*/
if (trigdata == NULL)
elog(ERROR, "RI_FKey_setdefault_upd() not fired by trigger manager");
- if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
- !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
+ if (!TRIGGER_FIRED_AFTER(trigdata->tg_event) ||
+ !TRIGGER_FIRED_FOR_ROW(trigdata->tg_event))
elog(ERROR, "RI_FKey_setdefault_upd() must be fired AFTER ROW");
if (!TRIGGER_FIRED_BY_UPDATE(trigdata->tg_event))
elog(ERROR, "RI_FKey_setdefault_upd() must be fired for UPDATE");
/* ----------
- * Check for the correct # of call arguments
+ * Check for the correct # of call arguments
* ----------
*/
tgnargs = trigdata->tg_trigger->tgnargs;
- tgargs = trigdata->tg_trigger->tgargs;
+ tgargs = trigdata->tg_trigger->tgargs;
if (tgnargs < 4 || (tgnargs % 2) != 0)
elog(ERROR, "wrong # of arguments in call to RI_FKey_setdefault_upd()");
if (tgnargs > RI_MAX_ARGUMENTS)
elog(ERROR, "too many keys (%d max) in call to RI_FKey_setdefault_upd()",
- RI_MAX_NUMKEYS);
+ RI_MAX_NUMKEYS);
/* ----------
* Nothing to do if no column names to compare given
* the old tuple.
* ----------
*/
- fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
- pk_rel = trigdata->tg_relation;
+ fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
+ pk_rel = trigdata->tg_relation;
new_row = trigdata->tg_newtuple;
old_row = trigdata->tg_trigtuple;
switch (match_type)
{
- /* ----------
- * SQL3 11.9 <referential constraint definition>
- * Gereral rules 7) a) iii):
- * MATCH <UNSPECIFIED> or MATCH FULL
- * ... ON UPDATE SET DEFAULT
- * ----------
- */
+ /* ----------
+ * SQL3 11.9 <referential constraint definition>
+ * Gereral rules 7) a) iii):
+ * MATCH <UNSPECIFIED> or MATCH FULL
+ * ... ON UPDATE SET DEFAULT
+ * ----------
+ */
case RI_MATCH_TYPE_UNSPECIFIED:
case RI_MATCH_TYPE_FULL:
ri_BuildQueryKeyFull(&qkey, trigdata->tg_trigger->tgoid,
- RI_PLAN_SETNULL_DEL_DOUPDATE,
- fk_rel, pk_rel,
- tgnargs, tgargs);
+ RI_PLAN_SETNULL_DEL_DOUPDATE,
+ fk_rel, pk_rel,
+ tgnargs, tgargs);
switch (ri_NullCheck(pk_rel, old_row, &qkey, RI_KEYPAIR_PK_IDX))
{
*/
heap_close(fk_rel, NoLock);
return NULL;
-
+
case RI_KEYS_NONE_NULL:
/* ----------
* Have a full qualified key - continue below
* ----------
*/
if (ri_KeysEqual(pk_rel, old_row, new_row, &qkey,
- RI_KEYPAIR_PK_IDX))
+ RI_KEYPAIR_PK_IDX))
return NULL;
if (SPI_connect() != SPI_OK_CONNECT)
char buf[256];
char querystr[8192];
char qualstr[8192];
- char *querysep;
- char *qualsep;
+ char *querysep;
+ char *qualsep;
Oid queryoids[RI_MAX_NUMKEYS];
- Plan *spi_plan;
- AttrDefault *defval;
- TargetEntry *spi_qptle;
- int i, j;
+ Plan *spi_plan;
+ AttrDefault *defval;
+ TargetEntry *spi_qptle;
+ int i,
+ j;
/* ----------
* The query string built is
* how to compare these two types by '='.
* ----------
*/
- sprintf(querystr, "UPDATE \"%s\" SET",
- tgargs[RI_FK_RELNAME_ARGNO]);
+ sprintf(querystr, "UPDATE \"%s\" SET",
+ tgargs[RI_FK_RELNAME_ARGNO]);
qualstr[0] = '\0';
querysep = "";
qualsep = "WHERE";
for (i = 0; i < qkey.nkeypairs; i++)
{
- /* MATCH <unspecified> - only change columns corresponding
- * to changed columns in pk_rel's key
+
+ /*
+ * MATCH <unspecified> - only change columns
+ * corresponding to changed columns in pk_rel's key
*/
if (match_type == RI_MATCH_TYPE_FULL ||
!ri_OneKeyEqual(pk_rel, i, old_row,
- new_row, &qkey, RI_KEYPAIR_PK_IDX))
+ new_row, &qkey, RI_KEYPAIR_PK_IDX))
{
- sprintf(buf, "%s \"%s\" = NULL", querysep,
- tgargs[4 + i * 2]);
+ sprintf(buf, "%s \"%s\" = NULL", querysep,
+ tgargs[4 + i * 2]);
strcat(querystr, buf);
querysep = ",";
}
sprintf(buf, " %s \"%s\" = $%d", qualsep,
- tgargs[4 + i * 2], i + 1);
+ tgargs[4 + i * 2], i + 1);
strcat(qualstr, buf);
qualsep = "AND";
queryoids[i] = SPI_gettypeid(pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX]);
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX]);
}
strcat(querystr, qualstr);
* in the tuple constructor.
* ----------
*/
- spi_plan = (Plan *)lfirst(((_SPI_plan *)qplan)->ptlist);
+ spi_plan = (Plan *) lfirst(((_SPI_plan *) qplan)->ptlist);
if (fk_rel->rd_att->constr != NULL)
defval = fk_rel->rd_att->constr->defval;
else
defval = NULL;
for (i = 0; i < qkey.nkeypairs && defval != NULL; i++)
{
- /* MATCH <unspecified> - only change columns corresponding
- * to changed columns in pk_rel's key. This conditional
- * must match the one in the loop above that built the
- * SET attrn=NULL list.
+
+ /*
+ * MATCH <unspecified> - only change columns
+ * corresponding to changed columns in pk_rel's key.
+ * This conditional must match the one in the loop
+ * above that built the SET attrn=NULL list.
*/
if (match_type == RI_MATCH_TYPE_FULL ||
!ri_OneKeyEqual(pk_rel, i, old_row,
- new_row, &qkey, RI_KEYPAIR_PK_IDX))
+ new_row, &qkey, RI_KEYPAIR_PK_IDX))
{
/* ----------
* For each key attribute lookup the tuple constructor
*/
for (j = 0; j < fk_rel->rd_att->constr->num_defval; j++)
{
- if (defval[j].adnum ==
- qkey.keypair[i][RI_KEYPAIR_FK_IDX])
+ if (defval[j].adnum ==
+ qkey.keypair[i][RI_KEYPAIR_FK_IDX])
{
/* ----------
* That's the one - push the expression
* ----------
*/
spi_qptle = (TargetEntry *)
- nth(defval[j].adnum - 1,
+ nth(defval[j].adnum - 1,
spi_plan->targetlist);
spi_qptle->expr = stringToNode(defval[j].adbin);
break;
- }
+ }
}
}
}
for (i = 0; i < qkey.nkeypairs; i++)
{
upd_values[i] = SPI_getbinval(old_row,
- pk_rel->rd_att,
- qkey.keypair[i][RI_KEYPAIR_PK_IDX],
- &isnull);
- if (isnull)
+ pk_rel->rd_att,
+ qkey.keypair[i][RI_KEYPAIR_PK_IDX],
+ &isnull);
+ if (isnull)
upd_nulls[i] = 'n';
else
upd_nulls[i] = ' ';
*/
if (SPI_execp(qplan, upd_values, upd_nulls, 0) != SPI_OK_UPDATE)
elog(ERROR, "SPI_execp() failed in RI_FKey_setdefault_upd()");
-
+
if (SPI_finish() != SPI_OK_FINISH)
elog(NOTICE, "SPI_finish() failed in RI_FKey_setdefault_upd()");
return NULL;
- /* ----------
- * Handle MATCH PARTIAL set null delete.
- * ----------
- */
+ /* ----------
+ * Handle MATCH PARTIAL set null delete.
+ * ----------
+ */
case RI_MATCH_TYPE_PARTIAL:
elog(ERROR, "MATCH PARTIAL not yet supported");
return NULL;
* ----------
*/
bool
-RI_FKey_keyequal_upd (void)
+RI_FKey_keyequal_upd(void)
{
- TriggerData *trigdata;
- int tgnargs;
- char **tgargs;
- Relation fk_rel;
- Relation pk_rel;
- HeapTuple new_row;
- HeapTuple old_row;
- RI_QueryKey qkey;
+ TriggerData *trigdata;
+ int tgnargs;
+ char **tgargs;
+ Relation fk_rel;
+ Relation pk_rel;
+ HeapTuple new_row;
+ HeapTuple old_row;
+ RI_QueryKey qkey;
trigdata = CurrentTriggerData;
- CurrentTriggerData = NULL;
+ CurrentTriggerData = NULL;
/* ----------
- * Check for the correct # of call arguments
+ * Check for the correct # of call arguments
* ----------
*/
tgnargs = trigdata->tg_trigger->tgnargs;
- tgargs = trigdata->tg_trigger->tgargs;
+ tgargs = trigdata->tg_trigger->tgargs;
if (tgnargs < 4 || (tgnargs % 2) != 0)
elog(ERROR, "wrong # of arguments in call to RI_FKey_keyequal_upd()");
if (tgnargs > RI_MAX_ARGUMENTS)
elog(ERROR, "too many keys (%d max) in call to RI_FKey_keyequal_upd()",
- RI_MAX_NUMKEYS);
+ RI_MAX_NUMKEYS);
/* ----------
* Nothing to do if no column names to compare given
* the new and old tuple.
* ----------
*/
- fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
- pk_rel = trigdata->tg_relation;
+ fk_rel = heap_openr(tgargs[RI_FK_RELNAME_ARGNO], NoLock);
+ pk_rel = trigdata->tg_relation;
new_row = trigdata->tg_newtuple;
old_row = trigdata->tg_trigtuple;
switch (ri_DetermineMatchType(tgargs[RI_MATCH_TYPE_ARGNO]))
{
- /* ----------
- * MATCH <UNSPECIFIED>
- * ----------
- */
+ /* ----------
+ * MATCH <UNSPECIFIED>
+ * ----------
+ */
case RI_MATCH_TYPE_UNSPECIFIED:
case RI_MATCH_TYPE_FULL:
ri_BuildQueryKeyFull(&qkey, trigdata->tg_trigger->tgoid,
- 0,
- fk_rel, pk_rel,
- tgnargs, tgargs);
+ 0,
+ fk_rel, pk_rel,
+ tgnargs, tgargs);
heap_close(fk_rel, NoLock);
/* ----------
* ----------
*/
return ri_KeysEqual(pk_rel, old_row, new_row, &qkey,
- RI_KEYPAIR_PK_IDX);
+ RI_KEYPAIR_PK_IDX);
- /* ----------
- * Handle MATCH PARTIAL set null delete.
- * ----------
- */
+ /* ----------
+ * Handle MATCH PARTIAL set null delete.
+ * ----------
+ */
case RI_MATCH_TYPE_PARTIAL:
elog(ERROR, "MATCH PARTIAL not yet supported");
break;
* At least for MATCH FULL this builds a unique key per plan.
* ----------
*/
-static void
+static void
ri_BuildQueryKeyFull(RI_QueryKey *key, Oid constr_id, int32 constr_queryno,
- Relation fk_rel, Relation pk_rel,
- int argc, char **argv)
+ Relation fk_rel, Relation pk_rel,
+ int argc, char **argv)
{
- int i;
- int j;
- int fno;
+ int i;
+ int j;
+ int fno;
/* ----------
* Initialize the key and fill in type, oid's and number of keypairs
* ----------
*/
- memset ((void *)key, 0, sizeof(RI_QueryKey));
- key->constr_type = RI_MATCH_TYPE_FULL;
- key->constr_id = constr_id;
- key->constr_queryno = constr_queryno;
- key->fk_relid = fk_rel->rd_id;
- key->pk_relid = pk_rel->rd_id;
- key->nkeypairs = (argc - RI_FIRST_ATTNAME_ARGNO) / 2;
+ memset((void *) key, 0, sizeof(RI_QueryKey));
+ key->constr_type = RI_MATCH_TYPE_FULL;
+ key->constr_id = constr_id;
+ key->constr_queryno = constr_queryno;
+ key->fk_relid = fk_rel->rd_id;
+ key->pk_relid = pk_rel->rd_id;
+ key->nkeypairs = (argc - RI_FIRST_ATTNAME_ARGNO) / 2;
/* ----------
* Lookup the attribute numbers of the arguments to the trigger call
fno = SPI_fnumber(fk_rel->rd_att, argv[j]);
if (fno == SPI_ERROR_NOATTRIBUTE)
elog(ERROR, "constraint %s: table %s does not have an attribute %s",
- argv[RI_CONSTRAINT_NAME_ARGNO],
- argv[RI_FK_RELNAME_ARGNO],
- argv[j]);
+ argv[RI_CONSTRAINT_NAME_ARGNO],
+ argv[RI_FK_RELNAME_ARGNO],
+ argv[j]);
key->keypair[i][RI_KEYPAIR_FK_IDX] = fno;
fno = SPI_fnumber(pk_rel->rd_att, argv[j + 1]);
if (fno == SPI_ERROR_NOATTRIBUTE)
elog(ERROR, "constraint %s: table %s does not have an attribute %s",
- argv[RI_CONSTRAINT_NAME_ARGNO],
- argv[RI_PK_RELNAME_ARGNO],
- argv[j + 1]);
+ argv[RI_CONSTRAINT_NAME_ARGNO],
+ argv[RI_PK_RELNAME_ARGNO],
+ argv[j + 1]);
key->keypair[i][RI_KEYPAIR_PK_IDX] = fno;
}
* Returns one of RI_KEYS_ALL_NULL, RI_KEYS_NONE_NULL or RI_KEYS_SOME_NULL.
* ----------
*/
-static int
+static int
ri_NullCheck(Relation rel, HeapTuple tup, RI_QueryKey *key, int pairidx)
{
- int i;
- bool isnull;
- bool allnull = true;
- bool nonenull = true;
+ int i;
+ bool isnull;
+ bool allnull = true;
+ bool nonenull = true;
for (i = 0; i < key->nkeypairs; i++)
{
HASHCTL ctl;
memset(&ctl, 0, sizeof(ctl));
- ctl.keysize = sizeof(RI_QueryKey);
- ctl.datasize = sizeof(void *);
+ ctl.keysize = sizeof(RI_QueryKey);
+ ctl.datasize = sizeof(void *);
ri_query_cache = hash_create(RI_INIT_QUERYHASHSIZE, &ctl, HASH_ELEM);
memset(&ctl, 0, sizeof(ctl));
- ctl.keysize = sizeof(Oid);
- ctl.datasize = sizeof(Oid) + sizeof(FmgrInfo);
- ctl.hash = tag_hash;
- ri_opreq_cache = hash_create(RI_INIT_OPREQHASHSIZE, &ctl,
- HASH_ELEM | HASH_FUNCTION);
+ ctl.keysize = sizeof(Oid);
+ ctl.datasize = sizeof(Oid) + sizeof(FmgrInfo);
+ ctl.hash = tag_hash;
+ ri_opreq_cache = hash_create(RI_INIT_OPREQHASHSIZE, &ctl,
+ HASH_ELEM | HASH_FUNCTION);
}
static void *
ri_FetchPreparedPlan(RI_QueryKey *key)
{
- RI_QueryHashEntry *entry;
- bool found;
+ RI_QueryHashEntry *entry;
+ bool found;
/* ----------
* On the first call initialize the hashtable
* Lookup for the key
* ----------
*/
- entry = (RI_QueryHashEntry *)hash_search(ri_query_cache,
- (char *)key, HASH_FIND, &found);
+ entry = (RI_QueryHashEntry *) hash_search(ri_query_cache,
+ (char *) key, HASH_FIND, &found);
if (entry == NULL)
elog(FATAL, "error in RI plan cache");
if (!found)
static void
ri_HashPreparedPlan(RI_QueryKey *key, void *plan)
{
- RI_QueryHashEntry *entry;
- bool found;
+ RI_QueryHashEntry *entry;
+ bool found;
/* ----------
* On the first call initialize the hashtable
* Add the new plan.
* ----------
*/
- entry = (RI_QueryHashEntry *)hash_search(ri_query_cache,
- (char *)key, HASH_ENTER, &found);
+ entry = (RI_QueryHashEntry *) hash_search(ri_query_cache,
+ (char *) key, HASH_ENTER, &found);
if (entry == NULL)
elog(FATAL, "can't insert into RI plan cache");
entry->plan = plan;
* ----------
*/
static bool
-ri_KeysEqual(Relation rel, HeapTuple oldtup, HeapTuple newtup,
- RI_QueryKey *key, int pairidx)
+ri_KeysEqual(Relation rel, HeapTuple oldtup, HeapTuple newtup,
+ RI_QueryKey *key, int pairidx)
{
- int i;
- Oid typeid;
- Datum oldvalue;
- Datum newvalue;
- bool isnull;
+ int i;
+ Oid typeid;
+ Datum oldvalue;
+ Datum newvalue;
+ bool isnull;
for (i = 0; i < key->nkeypairs; i++)
{
* Get one attributes oldvalue. If it is NULL - they're not equal.
* ----------
*/
- oldvalue = SPI_getbinval(oldtup, rel->rd_att,
- key->keypair[i][pairidx], &isnull);
+ oldvalue = SPI_getbinval(oldtup, rel->rd_att,
+ key->keypair[i][pairidx], &isnull);
if (isnull)
return false;
* Get one attributes oldvalue. If it is NULL - they're not equal.
* ----------
*/
- newvalue = SPI_getbinval(newtup, rel->rd_att,
- key->keypair[i][pairidx], &isnull);
+ newvalue = SPI_getbinval(newtup, rel->rd_att,
+ key->keypair[i][pairidx], &isnull);
if (isnull)
return false;
* ----------
*/
static bool
-ri_AllKeysUnequal(Relation rel, HeapTuple oldtup, HeapTuple newtup,
- RI_QueryKey *key, int pairidx)
+ri_AllKeysUnequal(Relation rel, HeapTuple oldtup, HeapTuple newtup,
+ RI_QueryKey *key, int pairidx)
{
- int i;
- Oid typeid;
- Datum oldvalue;
- Datum newvalue;
- bool isnull;
- bool keys_unequal;
+ int i;
+ Oid typeid;
+ Datum oldvalue;
+ Datum newvalue;
+ bool isnull;
+ bool keys_unequal;
keys_unequal = true;
for (i = 0; keys_unequal && i < key->nkeypairs; i++)
* Get one attributes oldvalue. If it is NULL - they're not equal.
* ----------
*/
- oldvalue = SPI_getbinval(oldtup, rel->rd_att,
- key->keypair[i][pairidx], &isnull);
+ oldvalue = SPI_getbinval(oldtup, rel->rd_att,
+ key->keypair[i][pairidx], &isnull);
if (isnull)
continue;
* Get one attributes oldvalue. If it is NULL - they're not equal.
* ----------
*/
- newvalue = SPI_getbinval(newtup, rel->rd_att,
- key->keypair[i][pairidx], &isnull);
+ newvalue = SPI_getbinval(newtup, rel->rd_att,
+ key->keypair[i][pairidx], &isnull);
if (isnull)
continue;
*
* Check if one key value in OLD and NEW is equal.
*
- * ri_KeysEqual could call this but would run a bit slower. For
- * now, let's duplicate the code.
+ * ri_KeysEqual could call this but would run a bit slower. For
+ * now, let's duplicate the code.
* ----------
*/
static bool
-ri_OneKeyEqual(Relation rel, int column, HeapTuple oldtup, HeapTuple newtup,
- RI_QueryKey *key, int pairidx)
+ri_OneKeyEqual(Relation rel, int column, HeapTuple oldtup, HeapTuple newtup,
+ RI_QueryKey *key, int pairidx)
{
- Oid typeid;
- Datum oldvalue;
- Datum newvalue;
- bool isnull;
+ Oid typeid;
+ Datum oldvalue;
+ Datum newvalue;
+ bool isnull;
/* ----------
* Get one attributes oldvalue. If it is NULL - they're not equal.
* ----------
*/
- oldvalue = SPI_getbinval(oldtup, rel->rd_att,
- key->keypair[column][pairidx], &isnull);
+ oldvalue = SPI_getbinval(oldtup, rel->rd_att,
+ key->keypair[column][pairidx], &isnull);
if (isnull)
return false;
* Get one attributes oldvalue. If it is NULL - they're not equal.
* ----------
*/
- newvalue = SPI_getbinval(newtup, rel->rd_att,
- key->keypair[column][pairidx], &isnull);
+ newvalue = SPI_getbinval(newtup, rel->rd_att,
+ key->keypair[column][pairidx], &isnull);
if (isnull)
return false;
*/
typeid = SPI_gettypeid(rel->rd_att, key->keypair[column][pairidx]);
if (!ri_AttributesEqual(typeid, oldvalue, newvalue))
- return false;
+ return false;
return true;
}
static bool
ri_AttributesEqual(Oid typeid, Datum oldvalue, Datum newvalue)
{
- RI_OpreqHashEntry *entry;
- bool found;
- Datum result;
+ RI_OpreqHashEntry *entry;
+ bool found;
+ Datum result;
/* ----------
* On the first call initialize the hashtable
* Try to find the '=' operator for this type in our cache
* ----------
*/
- entry = (RI_OpreqHashEntry *)hash_search(ri_opreq_cache,
- (char *)&typeid, HASH_FIND, &found);
+ entry = (RI_OpreqHashEntry *) hash_search(ri_opreq_cache,
+ (char *) &typeid, HASH_FIND, &found);
if (entry == NULL)
elog(FATAL, "error in RI operator cache");
*/
if (!found)
{
- HeapTuple opr_tup;
- Form_pg_operator opr_struct;
+ HeapTuple opr_tup;
+ Form_pg_operator opr_struct;
opr_tup = SearchSysCacheTuple(OPERNAME,
- PointerGetDatum("="),
- ObjectIdGetDatum(typeid),
- ObjectIdGetDatum(typeid),
- CharGetDatum('b'));
+ PointerGetDatum("="),
+ ObjectIdGetDatum(typeid),
+ ObjectIdGetDatum(typeid),
+ CharGetDatum('b'));
if (!HeapTupleIsValid(opr_tup))
elog(ERROR, "ri_AttributesEqual(): cannot find '=' operator "
- "for type %d", typeid);
+ "for type %d", typeid);
opr_struct = (Form_pg_operator) GETSTRUCT(opr_tup);
- entry = (RI_OpreqHashEntry *)hash_search(ri_opreq_cache,
- (char *)&typeid, HASH_ENTER, &found);
+ entry = (RI_OpreqHashEntry *) hash_search(ri_opreq_cache,
+ (char *) &typeid, HASH_ENTER, &found);
if (entry == NULL)
elog(FATAL, "can't insert into RI operator cache");
* ----------
*/
fmgr_info(entry->oprfnid, &(entry->oprfmgrinfo));
- result = (Datum)(*fmgr_faddr(&(entry->oprfmgrinfo)))(oldvalue, newvalue);
- return (bool)result;
+ result = (Datum) (*fmgr_faddr(&(entry->oprfmgrinfo))) (oldvalue, newvalue);
+ return (bool) result;
}
-
-
* out of its tuple
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.47 2000/03/17 02:36:23 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.48 2000/04/12 17:15:51 momjian Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
bool varprefix; /* TRUE to print prefixes on Vars */
} deparse_context;
-typedef struct {
+typedef struct
+{
Index rt_index;
int levelsup;
} check_if_rte_used_context;
static char *get_attribute_name(Oid relid, int2 attnum);
static bool check_if_rte_used(Node *node, Index rt_index, int levelsup);
static bool check_if_rte_used_walker(Node *node,
- check_if_rte_used_context *context);
+ check_if_rte_used_context *context);
#define inherit_marker(rte) ((rte)->inh ? "*" : "")
int spirc;
HeapTuple ruletup;
TupleDesc rulettc;
- StringInfoData buf;
+ StringInfoData buf;
int len;
/* ----------
int spirc;
HeapTuple ruletup;
TupleDesc rulettc;
- StringInfoData buf;
+ StringInfoData buf;
int len;
char name1[NAMEDATALEN + 5];
char name2[NAMEDATALEN + 5];
int spirc;
int len;
int keyno;
- StringInfoData buf;
- StringInfoData keybuf;
+ StringInfoData buf;
+ StringInfoData keybuf;
char *sep;
/* ----------
initStringInfo(&buf);
appendStringInfo(&buf, "CREATE %sINDEX %s ON %s USING %s (",
idxrec->indisunique ? "UNIQUE " : "",
- quote_identifier(pstrdup(NameStr(idxrelrec->relname))),
- quote_identifier(pstrdup(NameStr(indrelrec->relname))),
+ quote_identifier(pstrdup(NameStr(idxrelrec->relname))),
+ quote_identifier(pstrdup(NameStr(indrelrec->relname))),
quote_identifier(SPI_getvalue(spi_tup, spi_ttc,
spi_fno)));
* ----------
*/
appendStringInfo(&keybuf, "%s",
- quote_identifier(get_attribute_name(idxrec->indrelid,
- idxrec->indkey[keyno])));
+ quote_identifier(get_attribute_name(idxrec->indrelid,
+ idxrec->indkey[keyno])));
/* ----------
* If not a functional index, add the operator class name
spi_ttc = SPI_tuptable->tupdesc;
spi_fno = SPI_fnumber(spi_ttc, "opcname");
appendStringInfo(&keybuf, " %s",
- quote_identifier(SPI_getvalue(spi_tup, spi_ttc,
- spi_fno)));
+ quote_identifier(SPI_getvalue(spi_tup, spi_ttc,
+ spi_fno)));
}
}
procStruct = (Form_pg_proc) GETSTRUCT(proctup);
appendStringInfo(&buf, "%s(%s) ",
- quote_identifier(pstrdup(NameStr(procStruct->proname))),
+ quote_identifier(pstrdup(NameStr(procStruct->proname))),
keybuf.data);
spi_args[0] = ObjectIdGetDatum(idxrec->indclass[0]);
* tree (ie, not the raw output of gram.y).
*
* rangetables is a List of Lists of RangeTblEntry nodes: first sublist is for
- * varlevelsup = 0, next for varlevelsup = 1, etc. In each sublist the first
- * item is for varno = 1, next varno = 2, etc. (Each sublist has the same
+ * varlevelsup = 0, next for varlevelsup = 1, etc. In each sublist the first
+ * item is for varno = 1, next varno = 2, etc. (Each sublist has the same
* format as the rtable list of a parsetree or query.)
*
* forceprefix is TRUE to force all Vars to be prefixed with their table names.
char *
deparse_expression(Node *expr, List *rangetables, bool forceprefix)
{
- StringInfoData buf;
- deparse_context context;
+ StringInfoData buf;
+ deparse_context context;
initStringInfo(&buf);
context.buf = &buf;
{
Node *qual;
Query *query;
- deparse_context context;
+ deparse_context context;
appendStringInfo(buf, " WHERE ");
static void
get_query_def(Query *query, StringInfo buf, List *parentrtables)
{
- deparse_context context;
+ deparse_context context;
context.buf = buf;
context.rangetables = lcons(query->rtable, parentrtables);
get_rule_expr(tle->expr, context);
/* Check if we must say AS ... */
- if (! IsA(tle->expr, Var))
+ if (!IsA(tle->expr, Var))
tell_as = strcmp(tle->resdom->resname, "?column?");
else
{
appendStringInfo(buf, "%s%s",
quote_identifier(rte->relname),
inherit_marker(rte));
+
/*
* NOTE: SQL92 says you can't write column aliases unless
- * you write a table alias --- so, if there's an alias list,
- * make sure we emit a table alias even if it's the same as
- * the table's real name.
+ * you write a table alias --- so, if there's an alias
+ * list, make sure we emit a table alias even if it's the
+ * same as the table's real name.
*/
if ((rte->ref != NULL)
&& ((strcmp(rte->relname, rte->ref->relname) != 0)
quote_identifier(rte->ref->relname));
if (rte->ref->attrs != NIL)
{
- List *col;
+ List *col;
appendStringInfo(buf, " (");
foreach(col, rte->ref->attrs)
if (col != rte->ref->attrs)
appendStringInfo(buf, ", ");
appendStringInfo(buf, "%s",
- quote_identifier(strVal(lfirst(col))));
+ quote_identifier(strVal(lfirst(col))));
}
appendStringInfoChar(buf, ')');
}
foreach(l, query->groupClause)
{
GroupClause *grp = (GroupClause *) lfirst(l);
- Node *groupexpr;
+ Node *groupexpr;
groupexpr = get_sortgroupclause_expr(grp,
query->targetList);
static RangeTblEntry *
get_rte_for_var(Var *var, deparse_context *context)
{
- List *rtlist = context->rangetables;
- int sup = var->varlevelsup;
+ List *rtlist = context->rangetables;
+ int sup = var->varlevelsup;
while (sup-- > 0)
rtlist = lnext(rtlist);
appendStringInfo(buf, "old.");
else
appendStringInfo(buf, "%s.",
- quote_identifier(rte->ref->relname));
+ quote_identifier(rte->ref->relname));
}
appendStringInfo(buf, "%s",
- quote_identifier(get_attribute_name(rte->relid,
- var->varattno)));
+ quote_identifier(get_attribute_name(rte->relid,
+ var->varattno)));
}
break;
/* binary operator */
get_rule_expr((Node *) lfirst(args), context);
appendStringInfo(buf, " %s ",
- get_opname(((Oper *) expr->oper)->opno));
+ get_opname(((Oper *) expr->oper)->opno));
get_rule_expr((Node *) lsecond(args), context);
}
else
Form_pg_operator optup;
tp = SearchSysCacheTuple(OPEROID,
- ObjectIdGetDatum(opno),
+ ObjectIdGetDatum(opno),
0, 0, 0);
Assert(HeapTupleIsValid(tp));
optup = (Form_pg_operator) GETSTRUCT(tp);
appendStringInfoChar(buf, '(');
get_rule_expr(relabel->arg, context);
typetup = SearchSysCacheTuple(TYPEOID,
- ObjectIdGetDatum(relabel->resulttype),
+ ObjectIdGetDatum(relabel->resulttype),
0, 0, 0);
if (!HeapTupleIsValid(typetup))
elog(ERROR, "cache lookup of type %u failed",
proname = pstrdup(NameStr(procStruct->proname));
/*
- * nullvalue() and nonnullvalue() should get turned into special syntax
+ * nullvalue() and nonnullvalue() should get turned into special
+ * syntax
*/
if (procStruct->pronargs == 1 && procStruct->proargtypes[0] == InvalidOid)
{
/*
* Strip off any RelabelType on the input, so we don't print
- * redundancies like x::bpchar::char(8).
- * XXX Are there any cases where this is a bad idea?
+ * redundancies like x::bpchar::char(8). XXX Are there any cases
+ * where this is a bad idea?
*/
if (IsA(arg, RelabelType))
arg = ((RelabelType *) arg)->arg;
appendStringInfoChar(buf, '(');
get_rule_expr(arg, context);
appendStringInfo(buf, ")::");
+
/*
- * Show typename with appropriate length decoration.
- * Note that since exprIsLengthCoercion succeeded, the function
- * name is the same as its output type name.
+ * Show typename with appropriate length decoration. Note that
+ * since exprIsLengthCoercion succeeded, the function name is the
+ * same as its output type name.
*/
if (strcmp(proname, "bpchar") == 0)
{
{
if (coercedTypmod >= (int32) VARHDRSZ)
appendStringInfo(buf, "numeric(%d,%d)",
- ((coercedTypmod - VARHDRSZ) >> 16) & 0xffff,
+ ((coercedTypmod - VARHDRSZ) >> 16) & 0xffff,
(coercedTypmod - VARHDRSZ) & 0xffff);
else
appendStringInfo(buf, "numeric");
int32 coercedTypmod;
/*
- * If top level is a length coercion to the correct length, suppress it;
- * else dump the expression normally.
+ * If top level is a length coercion to the correct length, suppress
+ * it; else dump the expression normally.
*/
if (tle->resdom->restypmod >= 0 &&
exprIsLengthCoercion((Node *) expr, &coercedTypmod) &&
if (constval->constisnull)
{
+
/*
* Always label the type of a NULL constant. This not only
- * prevents misdecisions about the type, but it ensures that
- * our output is a valid b_expr.
+ * prevents misdecisions about the type, but it ensures that our
+ * output is a valid b_expr.
*/
extval = pstrdup(NameStr(typeStruct->typname));
appendStringInfo(buf, "NULL::%s", quote_identifier(extval));
case INT4OID:
case OIDOID: /* int types */
case FLOAT4OID:
- case FLOAT8OID: /* float types */
+ case FLOAT8OID: /* float types */
/* These types are printed without quotes */
appendStringInfo(buf, extval);
break;
default:
+
/*
* We must quote any funny characters in the constant's
- * representation.
- * XXX Any MULTIBYTE considerations here?
+ * representation. XXX Any MULTIBYTE considerations here?
*/
appendStringInfoChar(buf, '\'');
for (valptr = extval; *valptr; valptr++)
{
- char ch = *valptr;
+ char ch = *valptr;
+
if (ch == '\'' || ch == '\\')
{
appendStringInfoChar(buf, '\\');
static char *
quote_identifier(char *ident)
{
+
/*
* Can avoid quoting if ident starts with a lowercase letter and
- * contains only lowercase letters, digits, and underscores,
- * *and* is not any SQL keyword. Otherwise, supply quotes.
+ * contains only lowercase letters, digits, and underscores, *and* is
+ * not any SQL keyword. Otherwise, supply quotes.
*/
bool safe;
char *result;
{
char *ptr;
- for (ptr = ident+1; *ptr; ptr++)
+ for (ptr = ident + 1; *ptr; ptr++)
{
- char ch = *ptr;
+ char ch = *ptr;
safe = ((ch >= 'a' && ch <= 'z') ||
(ch >= '0' && ch <= '9') ||
(ch == '_'));
- if (! safe)
+ if (!safe)
break;
}
}
if (safe)
{
+
/*
* Check for keyword. This test is overly strong, since many of
* the "keywords" known to the parser are usable as column names,
check_if_rte_used(query->havingQual,
context->rt_index, context->levelsup + 1))
return true;
- /* fall through to let expression_tree_walker examine lefthand args */
+
+ /*
+ * fall through to let expression_tree_walker examine lefthand
+ * args
+ */
}
return expression_tree_walker(node, check_if_rte_used_walker,
(void *) context);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.63 2000/04/09 04:31:37 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.64 2000/04/12 17:15:51 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#define FunctionalSelectivity(nIndKeys,attNum) ((attNum)==InvalidAttrNumber)
/* default selectivity estimate for equalities such as "A = b" */
-#define DEFAULT_EQ_SEL 0.01
+#define DEFAULT_EQ_SEL 0.01
/* default selectivity estimate for inequalities such as "A < b" */
#define DEFAULT_INEQ_SEL (1.0 / 3.0)
static bool convert_string_to_scalar(char *str, int strlength,
- double *scaleval);
+ double *scaleval);
static void getattproperties(Oid relid, AttrNumber attnum,
- Oid *typid,
- int *typlen,
- bool *typbyval,
- int32 *typmod);
+ Oid *typid,
+ int *typlen,
+ bool *typbyval,
+ int32 *typmod);
static bool getattstatistics(Oid relid, AttrNumber attnum,
- Oid typid, int32 typmod,
- double *nullfrac,
- double *commonfrac,
- Datum *commonval,
- Datum *loval,
- Datum *hival);
+ Oid typid, int32 typmod,
+ double *nullfrac,
+ double *commonfrac,
+ Datum *commonval,
+ Datum *loval,
+ Datum *hival);
/*
{
if (flag & SEL_CONSTANT)
{
- /* Is the constant "=" to the column's most common value?
- * (Although the operator may not really be "=",
- * we will assume that seeing whether it returns TRUE
- * for the most common value is useful information.
- * If you don't like it, maybe you shouldn't be using
- * eqsel for your operator...)
+
+ /*
+ * Is the constant "=" to the column's most common value?
+ * (Although the operator may not really be "=", we will
+ * assume that seeing whether it returns TRUE for the most
+ * common value is useful information. If you don't like
+ * it, maybe you shouldn't be using eqsel for your
+ * operator...)
*/
- RegProcedure eqproc = get_opcode(opid);
- bool mostcommon;
+ RegProcedure eqproc = get_opcode(opid);
+ bool mostcommon;
if (eqproc == (RegProcedure) NULL)
elog(ERROR, "eqsel: no procedure for operator %u",
if (mostcommon)
{
- /* Constant is "=" to the most common value. We know
+
+ /*
+ * Constant is "=" to the most common value. We know
* selectivity exactly (or as exactly as VACUUM could
* calculate it, anyway).
*/
}
else
{
- /* Comparison is against a constant that is neither the
- * most common value nor null. Its selectivity cannot
- * be more than this:
+
+ /*
+ * Comparison is against a constant that is neither
+ * the most common value nor null. Its selectivity
+ * cannot be more than this:
*/
selec = 1.0 - commonfrac - nullfrac;
if (selec > commonfrac)
selec = commonfrac;
- /* and in fact it's probably less, so we should apply
- * a fudge factor. The only case where we don't is
- * for a boolean column, where indeed we have estimated
- * the less-common value's frequency exactly!
+
+ /*
+ * and in fact it's probably less, so we should apply
+ * a fudge factor. The only case where we don't is
+ * for a boolean column, where indeed we have
+ * estimated the less-common value's frequency
+ * exactly!
*/
if (typid != BOOLOID)
selec *= 0.5;
}
else
{
- /* Search is for a value that we do not know a priori,
- * but we will assume it is not NULL. Selectivity
- * cannot be more than this:
+
+ /*
+ * Search is for a value that we do not know a priori, but
+ * we will assume it is not NULL. Selectivity cannot be
+ * more than this:
*/
selec = 1.0 - nullfrac;
if (selec > commonfrac)
selec = commonfrac;
- /* and in fact it's probably less, so apply a fudge
+
+ /*
+ * and in fact it's probably less, so apply a fudge
* factor.
*/
selec *= 0.5;
else if (selec > 1.0)
selec = 1.0;
- if (! typbyval)
+ if (!typbyval)
pfree(DatumGetPointer(commonval));
}
else
{
- /* No VACUUM ANALYZE stats available, so make a guess using
- * the disbursion stat (if we have that, which is unlikely
- * for a normal attribute; but for a system attribute we may
- * be able to estimate it).
+
+ /*
+ * No VACUUM ANALYZE stats available, so make a guess using
+ * the disbursion stat (if we have that, which is unlikely for
+ * a normal attribute; but for a system attribute we may be
+ * able to estimate it).
*/
selec = get_attdisbursion(relid, attno, 0.01);
}
float64 result;
result = (float64) palloc(sizeof(float64data));
- if (! (flag & SEL_CONSTANT) || NONVALUE(attno) || NONVALUE(relid))
+ if (!(flag & SEL_CONSTANT) || NONVALUE(attno) || NONVALUE(relid))
*result = DEFAULT_INEQ_SEL;
else
{
numerator,
denominator;
- /* Get left and right datatypes of the operator so we know
- * what type the constant is.
+ /*
+ * Get left and right datatypes of the operator so we know what
+ * type the constant is.
*/
oprtuple = get_operator_tuple(opid);
- if (! HeapTupleIsValid(oprtuple))
+ if (!HeapTupleIsValid(oprtuple))
elog(ERROR, "scalarltsel: no tuple for operator %u", opid);
ltype = ((Form_pg_operator) GETSTRUCT(oprtuple))->oprleft;
rtype = ((Form_pg_operator) GETSTRUCT(oprtuple))->oprright;
/* Convert the constant to a uniform comparison scale. */
- if (! convert_to_scalar(value,
- ((flag & SEL_RIGHT) ? rtype : ltype),
- &val))
+ if (!convert_to_scalar(value,
+ ((flag & SEL_RIGHT) ? rtype : ltype),
+ &val))
{
- /* Ideally we'd produce an error here, on the grounds that the
+
+ /*
+ * Ideally we'd produce an error here, on the grounds that the
* given operator shouldn't have scalarltsel registered as its
* selectivity func unless we can deal with its operand types.
* But currently, all manner of stuff is invoking scalarltsel,
getattproperties(relid, attno,
&typid, &typlen, &typbyval, &typmod);
- if (! getattstatistics(relid, attno, typid, typmod,
- NULL, NULL, NULL,
- &loval, &hival))
+ if (!getattstatistics(relid, attno, typid, typmod,
+ NULL, NULL, NULL,
+ &loval, &hival))
{
/* no stats available, so default result */
*result = DEFAULT_INEQ_SEL;
}
/* Convert the attribute's loval/hival to common scale. */
- if (! convert_to_scalar(loval, typid, &low) ||
- ! convert_to_scalar(hival, typid, &high))
+ if (!convert_to_scalar(loval, typid, &low) ||
+ !convert_to_scalar(hival, typid, &high))
{
/* See above comments... */
- if (! typbyval)
+ if (!typbyval)
{
pfree(DatumGetPointer(hival));
pfree(DatumGetPointer(loval));
}
/* release temp storage if needed */
- if (! typbyval)
+ if (!typbyval)
{
pfree(DatumGetPointer(hival));
pfree(DatumGetPointer(loval));
if (high <= low)
{
- /* If we trusted the stats fully, we could return a small or
- * large selec depending on which side of the single data point
- * the constant is on. But it seems better to assume that the
- * stats are wrong and return a default...
+
+ /*
+ * If we trusted the stats fully, we could return a small or
+ * large selec depending on which side of the single data
+ * point the constant is on. But it seems better to assume
+ * that the stats are wrong and return a default...
*/
*result = DEFAULT_INEQ_SEL;
}
else if (val < low || val > high)
{
- /* If given value is outside the statistical range, return a
- * small or large value; but not 0.0/1.0 since there is a chance
- * the stats are out of date.
+
+ /*
+ * If given value is outside the statistical range, return a
+ * small or large value; but not 0.0/1.0 since there is a
+ * chance the stats are out of date.
*/
if (flag & SEL_RIGHT)
*result = (val < low) ? 0.001 : 0.999;
{
float64 result;
- /* Compute selectivity of "<", then invert --- but only if we
- * were able to produce a non-default estimate.
+ /*
+ * Compute selectivity of "<", then invert --- but only if we were
+ * able to produce a non-default estimate.
*/
result = scalarltsel(opid, relid, attno, value, flag);
if (*result != DEFAULT_INEQ_SEL)
{
num1 = unknown1 ? 1.0 : get_attdisbursion(relid1, attno1, 0.01);
num2 = unknown2 ? 1.0 : get_attdisbursion(relid2, attno2, 0.01);
+
/*
- * The join selectivity cannot be more than num2, since each
- * tuple in table 1 could match no more than num2 fraction of
- * tuples in table 2 (and that's only if the table-1 tuple
- * matches the most common value in table 2, so probably it's
- * less). By the same reasoning it is not more than num1.
- * The min is therefore an upper bound.
+ * The join selectivity cannot be more than num2, since each tuple
+ * in table 1 could match no more than num2 fraction of tuples in
+ * table 2 (and that's only if the table-1 tuple matches the most
+ * common value in table 2, so probably it's less). By the same
+ * reasoning it is not more than num1. The min is therefore an
+ * upper bound.
*
* If we know the disbursion of only one side, use it; the reasoning
* above still works.
*
- * XXX can we make a better estimate here? Using the nullfrac
+ * XXX can we make a better estimate here? Using the nullfrac
* statistic might be helpful, for example. Assuming the operator
- * is strict (does not succeed for null inputs) then the selectivity
- * couldn't be more than (1-nullfrac1)*(1-nullfrac2), which might
- * be usefully small if there are many nulls. How about applying
- * the operator to the most common values?
+ * is strict (does not succeed for null inputs) then the
+ * selectivity couldn't be more than (1-nullfrac1)*(1-nullfrac2),
+ * which might be usefully small if there are many nulls. How
+ * about applying the operator to the most common values?
*/
min = (num1 < num2) ? num1 : num2;
*result = min;
}
/*
- * scalarltjoinsel - Join selectivity of "<" and "<=" for scalars
+ * scalarltjoinsel - Join selectivity of "<" and "<=" for scalars
*/
float64
scalarltjoinsel(Oid opid,
}
/*
- * scalargtjoinsel - Join selectivity of ">" and ">=" for scalars
+ * scalargtjoinsel - Join selectivity of ">" and ">=" for scalars
*/
float64
scalargtjoinsel(Oid opid,
{
switch (typid)
{
- /*
- * Built-in numeric types
- */
- case BOOLOID:
+
+ /*
+ * Built-in numeric types
+ */
+ case BOOLOID:
*scaleval = (double) DatumGetUInt8(value);
return true;
case INT2OID:
*scaleval = (double) DatumGetInt32(value);
return true;
case INT8OID:
- *scaleval = (double) (* i8tod((int64 *) DatumGetPointer(value)));
+ *scaleval = (double) (*i8tod((int64 *) DatumGetPointer(value)));
return true;
case FLOAT4OID:
- *scaleval = (double) (* DatumGetFloat32(value));
+ *scaleval = (double) (*DatumGetFloat32(value));
return true;
case FLOAT8OID:
- *scaleval = (double) (* DatumGetFloat64(value));
+ *scaleval = (double) (*DatumGetFloat64(value));
return true;
case NUMERICOID:
- *scaleval = (double) (* numeric_float8((Numeric) DatumGetPointer(value)));
+ *scaleval = (double) (*numeric_float8((Numeric) DatumGetPointer(value)));
return true;
case OIDOID:
case REGPROCOID:
*scaleval = (double) DatumGetObjectId(value);
return true;
- /*
- * Built-in string types
- */
+ /*
+ * Built-in string types
+ */
case CHAROID:
- {
- char ch = DatumGetChar(value);
+ {
+ char ch = DatumGetChar(value);
- return convert_string_to_scalar(&ch, 1, scaleval);
- }
+ return convert_string_to_scalar(&ch, 1, scaleval);
+ }
case BPCHAROID:
case VARCHAROID:
case TEXTOID:
- {
- char *str = (char *) VARDATA(DatumGetPointer(value));
- int strlength = VARSIZE(DatumGetPointer(value)) - VARHDRSZ;
+ {
+ char *str = (char *) VARDATA(DatumGetPointer(value));
+ int strlength = VARSIZE(DatumGetPointer(value)) - VARHDRSZ;
- return convert_string_to_scalar(str, strlength, scaleval);
- }
+ return convert_string_to_scalar(str, strlength, scaleval);
+ }
case NAMEOID:
- {
- NameData *nm = (NameData *) DatumGetPointer(value);
+ {
+ NameData *nm = (NameData *) DatumGetPointer(value);
- return convert_string_to_scalar(NameStr(*nm), strlen(NameStr(*nm)),
- scaleval);
- }
+ return convert_string_to_scalar(NameStr(*nm), strlen(NameStr(*nm)),
+ scaleval);
+ }
- /*
- * Built-in absolute-time types
- */
+ /*
+ * Built-in absolute-time types
+ */
case TIMESTAMPOID:
- *scaleval = * ((Timestamp *) DatumGetPointer(value));
+ *scaleval = *((Timestamp *) DatumGetPointer(value));
return true;
case ABSTIMEOID:
- *scaleval = * abstime_timestamp(value);
+ *scaleval = *abstime_timestamp(value);
return true;
case DATEOID:
- *scaleval = * date_timestamp(value);
+ *scaleval = *date_timestamp(value);
return true;
- /*
- * Built-in relative-time types
- */
- case INTERVALOID:
- {
- Interval *interval = (Interval *) DatumGetPointer(value);
-
/*
- * Convert the month part of Interval to days using assumed
- * average month length of 365.25/12.0 days. Not too accurate,
- * but plenty good enough for our purposes.
+ * Built-in relative-time types
*/
- *scaleval = interval->time +
- interval->month * (365.25/12.0 * 24.0 * 60.0 * 60.0);
- return true;
- }
+ case INTERVALOID:
+ {
+ Interval *interval = (Interval *) DatumGetPointer(value);
+
+ /*
+ * Convert the month part of Interval to days using
+ * assumed average month length of 365.25/12.0 days. Not
+ * too accurate, but plenty good enough for our purposes.
+ */
+ *scaleval = interval->time +
+ interval->month * (365.25 / 12.0 * 24.0 * 60.0 * 60.0);
+ return true;
+ }
case RELTIMEOID:
*scaleval = (RelativeTime) DatumGetInt32(value);
return true;
case TINTERVALOID:
- {
- TimeInterval interval = (TimeInterval) DatumGetPointer(value);
-
- if (interval->status != 0)
{
- *scaleval = interval->data[1] - interval->data[0];
- return true;
+ TimeInterval interval = (TimeInterval) DatumGetPointer(value);
+
+ if (interval->status != 0)
+ {
+ *scaleval = interval->data[1] - interval->data[0];
+ return true;
+ }
+ break;
}
- break;
- }
case TIMEOID:
- *scaleval = * ((TimeADT *) DatumGetPointer(value));
+ *scaleval = *((TimeADT *) DatumGetPointer(value));
return true;
default:
- {
- /*
- * See whether there is a registered type-conversion function,
- * namely a procedure named "float8" with the right signature.
- * If so, assume we can convert the value to the numeric scale.
- *
- * NOTE: there are no such procedures in the standard distribution,
- * except with argument types that we already dealt with above.
- * This code is just here as an escape for user-defined types.
- */
- Oid oid_array[FUNC_MAX_ARGS];
- HeapTuple ftup;
-
- MemSet(oid_array, 0, FUNC_MAX_ARGS * sizeof(Oid));
- oid_array[0] = typid;
- ftup = SearchSysCacheTuple(PROCNAME,
- PointerGetDatum("float8"),
- Int32GetDatum(1),
- PointerGetDatum(oid_array),
- 0);
- if (HeapTupleIsValid(ftup) &&
- ((Form_pg_proc) GETSTRUCT(ftup))->prorettype == FLOAT8OID)
{
- RegProcedure convertproc = (RegProcedure) ftup->t_data->t_oid;
- Datum converted = (Datum) fmgr(convertproc, value);
- *scaleval = (double) (* DatumGetFloat64(converted));
- return true;
+
+ /*
+ * See whether there is a registered type-conversion
+ * function, namely a procedure named "float8" with the
+ * right signature. If so, assume we can convert the value
+ * to the numeric scale.
+ *
+ * NOTE: there are no such procedures in the standard
+ * distribution, except with argument types that we
+ * already dealt with above. This code is just here as an
+ * escape for user-defined types.
+ */
+ Oid oid_array[FUNC_MAX_ARGS];
+ HeapTuple ftup;
+
+ MemSet(oid_array, 0, FUNC_MAX_ARGS * sizeof(Oid));
+ oid_array[0] = typid;
+ ftup = SearchSysCacheTuple(PROCNAME,
+ PointerGetDatum("float8"),
+ Int32GetDatum(1),
+ PointerGetDatum(oid_array),
+ 0);
+ if (HeapTupleIsValid(ftup) &&
+ ((Form_pg_proc) GETSTRUCT(ftup))->prorettype == FLOAT8OID)
+ {
+ RegProcedure convertproc = (RegProcedure) ftup->t_data->t_oid;
+ Datum converted = (Datum) fmgr(convertproc, value);
+
+ *scaleval = (double) (*DatumGetFloat64(converted));
+ return true;
+ }
+ break;
}
- break;
- }
}
/* Don't know how to convert */
return false;
convert_string_to_scalar(char *str, int strlength,
double *scaleval)
{
- unsigned char *sptr;
- int slen;
+ unsigned char *sptr;
+ int slen;
+
#ifdef USE_LOCALE
- char *rawstr;
- char *xfrmstr;
- size_t xfrmsize;
- size_t xfrmlen;
+ char *rawstr;
+ char *xfrmstr;
+ size_t xfrmsize;
+ size_t xfrmlen;
+
#endif
- double num,
- denom;
+ double num,
+ denom;
if (strlength <= 0)
{
{
/* Oops, didn't make it */
pfree(xfrmstr);
- xfrmstr = (char *) palloc(xfrmlen+1);
- xfrmlen = strxfrm(xfrmstr, rawstr, xfrmlen+1);
+ xfrmstr = (char *) palloc(xfrmlen + 1);
+ xfrmlen = strxfrm(xfrmstr, rawstr, xfrmlen + 1);
}
pfree(rawstr);
ObjectIdGetDatum(relid),
Int16GetDatum(attnum),
0, 0);
- if (! HeapTupleIsValid(atp))
+ if (!HeapTupleIsValid(atp))
elog(ERROR, "getattproperties: no attribute tuple %u %d",
relid, (int) attnum);
att_tup = (Form_pg_attribute) GETSTRUCT(atp);
bool isnull;
/*
- * We assume that there will only be one entry in pg_statistic for
- * the given rel/att, so we search WITHOUT considering the staop
- * column. Someday, VACUUM might store more than one entry per rel/att,
+ * We assume that there will only be one entry in pg_statistic for the
+ * given rel/att, so we search WITHOUT considering the staop column.
+ * Someday, VACUUM might store more than one entry per rel/att,
* corresponding to more than one possible sort ordering defined for
* the column type. However, to make that work we will need to figure
* out which staop to search for --- it's not necessarily the one we
- * have at hand! (For example, we might have a '>' operator rather than
- * the '<' operator that will appear in staop.)
+ * have at hand! (For example, we might have a '>' operator rather
+ * than the '<' operator that will appear in staop.)
*/
tuple = SearchSysCacheTuple(STATRELID,
ObjectIdGetDatum(relid),
typeTuple = SearchSysCacheTuple(TYPEOID,
ObjectIdGetDatum(typid),
0, 0, 0);
- if (! HeapTupleIsValid(typeTuple))
+ if (!HeapTupleIsValid(typeTuple))
elog(ERROR, "getattstatistics: Cache lookup failed for type %u",
typid);
fmgr_info(((Form_pg_type) GETSTRUCT(typeTuple))->typinput, &inputproc);
typelem = ((Form_pg_type) GETSTRUCT(typeTuple))->typelem;
- /* Values are variable-length fields, so cannot access as struct fields.
- * Must do it the hard way with SysCacheGetAttr.
+ /*
+ * Values are variable-length fields, so cannot access as struct
+ * fields. Must do it the hard way with SysCacheGetAttr.
*/
if (commonval)
{
- text *val = (text *) SysCacheGetAttr(STATRELID, tuple,
- Anum_pg_statistic_stacommonval,
- &isnull);
+ text *val = (text *) SysCacheGetAttr(STATRELID, tuple,
+ Anum_pg_statistic_stacommonval,
+ &isnull);
+
if (isnull)
{
elog(DEBUG, "getattstatistics: stacommonval is null");
}
else
{
- char *strval = textout(val);
+ char *strval = textout(val);
+
*commonval = (Datum)
(*fmgr_faddr(&inputproc)) (strval, typelem, typmod);
pfree(strval);
if (loval)
{
- text *val = (text *) SysCacheGetAttr(STATRELID, tuple,
- Anum_pg_statistic_staloval,
- &isnull);
+ text *val = (text *) SysCacheGetAttr(STATRELID, tuple,
+ Anum_pg_statistic_staloval,
+ &isnull);
+
if (isnull)
{
elog(DEBUG, "getattstatistics: staloval is null");
}
else
{
- char *strval = textout(val);
+ char *strval = textout(val);
+
*loval = (Datum)
(*fmgr_faddr(&inputproc)) (strval, typelem, typmod);
pfree(strval);
if (hival)
{
- text *val = (text *) SysCacheGetAttr(STATRELID, tuple,
- Anum_pg_statistic_stahival,
- &isnull);
+ text *val = (text *) SysCacheGetAttr(STATRELID, tuple,
+ Anum_pg_statistic_stahival,
+ &isnull);
+
if (isnull)
{
elog(DEBUG, "getattstatistics: stahival is null");
}
else
{
- char *strval = textout(val);
+ char *strval = textout(val);
+
*hival = (Datum)
(*fmgr_faddr(&inputproc)) (strval, typelem, typmod);
pfree(strval);
Cost *indexTotalCost,
Selectivity *indexSelectivity)
{
- double numIndexTuples;
- double numIndexPages;
+ double numIndexTuples;
+ double numIndexPages;
/* Estimate the fraction of main-table tuples that will be visited */
- *indexSelectivity = clauselist_selectivity(root, indexQuals,
+ *indexSelectivity = clauselist_selectivity(root, indexQuals,
lfirsti(rel->relids));
/* Estimate the number of index tuples that will be visited */
numIndexPages = *indexSelectivity * index->pages;
/*
- * Always estimate at least one tuple and page are touched,
- * even when indexSelectivity estimate is tiny.
+ * Always estimate at least one tuple and page are touched, even when
+ * indexSelectivity estimate is tiny.
*/
if (numIndexTuples < 1.0)
numIndexTuples = 1.0;
*
* Our generic assumption is that the index pages will be read
* sequentially, so they have cost 1.0 each, not random_page_cost.
- * Also, we charge for evaluation of the indexquals at each index tuple.
- * All the costs are assumed to be paid incrementally during the scan.
- */
- *indexStartupCost = 0;
- *indexTotalCost = numIndexPages +
+ * Also, we charge for evaluation of the indexquals at each index
+ * tuple. All the costs are assumed to be paid incrementally during
+ * the scan.
+ */
+ *indexStartupCost = 0;
+ *indexTotalCost = numIndexPages +
(cpu_index_tuple_cost + cost_qual_eval(indexQuals)) * numIndexTuples;
}
Selectivity *indexSelectivity)
{
genericcostestimate(root, rel, index, indexQuals,
- indexStartupCost, indexTotalCost, indexSelectivity);
+ indexStartupCost, indexTotalCost, indexSelectivity);
}
void
Selectivity *indexSelectivity)
{
genericcostestimate(root, rel, index, indexQuals,
- indexStartupCost, indexTotalCost, indexSelectivity);
+ indexStartupCost, indexTotalCost, indexSelectivity);
}
void
Selectivity *indexSelectivity)
{
genericcostestimate(root, rel, index, indexQuals,
- indexStartupCost, indexTotalCost, indexSelectivity);
+ indexStartupCost, indexTotalCost, indexSelectivity);
}
void
Selectivity *indexSelectivity)
{
genericcostestimate(root, rel, index, indexQuals,
- indexStartupCost, indexTotalCost, indexSelectivity);
+ indexStartupCost, indexTotalCost, indexSelectivity);
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/tid.c,v 1.15 2000/01/26 05:57:14 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/tid.c,v 1.16 2000/04/12 17:15:51 momjian Exp $
*
* NOTES
* input routine largely stolen from boxin().
ItemPointer
tidin(const char *str)
{
- const char *p,
+ const char *p,
*coord[NTIDARGS];
int i;
ItemPointer result;
tideq(ItemPointer arg1, ItemPointer arg2)
{
if ((!arg1) || (!arg2))
- {
return false;
- }
-
- return ( BlockIdGetBlockNumber(&(arg1->ip_blkid)) ==
- BlockIdGetBlockNumber(&(arg2->ip_blkid)) &&
- arg1->ip_posid == arg2->ip_posid );
+
+ return (BlockIdGetBlockNumber(&(arg1->ip_blkid)) ==
+ BlockIdGetBlockNumber(&(arg2->ip_blkid)) &&
+ arg1->ip_posid == arg2->ip_posid);
}
bool
tidne(ItemPointer arg1, ItemPointer arg2)
{
if ((!arg1) || (!arg2))
- {
return false;
- }
- return ( BlockIdGetBlockNumber(&(arg1->ip_blkid)) !=
- BlockIdGetBlockNumber(&(arg2->ip_blkid)) ||
- arg1->ip_posid != arg2->ip_posid );
+ return (BlockIdGetBlockNumber(&(arg1->ip_blkid)) !=
+ BlockIdGetBlockNumber(&(arg2->ip_blkid)) ||
+ arg1->ip_posid != arg2->ip_posid);
}
text *
{
char *str;
- if (!tid) return (text *)NULL;
+ if (!tid)
+ return (text *) NULL;
str = tidout(tid);
return textin(str);
ItemPointer
text_tid(const text *string)
{
- ItemPointer result;
- char *str;
+ ItemPointer result;
+ char *str;
- if (!string) return (ItemPointer)0;
+ if (!string)
+ return (ItemPointer) 0;
str = textout((text *) string);
result = tidin(str);
ItemPointer
currtid_byreloid(Oid reloid, ItemPointer tid)
{
- ItemPointer result = NULL, ret;
+ ItemPointer result = NULL,
+ ret;
Relation rel;
result = (ItemPointer) palloc(sizeof(ItemPointerData));
ItemPointer
currtid_byrelname(const text *relname, ItemPointer tid)
{
- ItemPointer result = NULL, ret;
- char *str;
+ ItemPointer result = NULL,
+ ret;
+ char *str;
Relation rel;
- if (!relname) return result;
+ if (!relname)
+ return result;
str = textout((text *) relname);
heap_close(rel, AccessShareLock);
}
else
- elog(ERROR, "Relation %s not found", textout((text *)relname));
+ elog(ERROR, "Relation %s not found", textout((text *) relname));
pfree(str);
return result;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/timestamp.c,v 1.24 2000/04/07 13:39:41 thomas Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/timestamp.c,v 1.25 2000/04/12 17:15:51 momjian Exp $
*
*-------------------------------------------------------------------------
*/
/* timestamp_in()
* Convert a string to internal form.
*/
-Timestamp *
+Timestamp *
timestamp_in(char *str)
{
- Timestamp *result;
+ Timestamp *result;
double fsec;
struct tm tt,
return FALSE;
} /* EncodeSpecialTimestamp() */
-Timestamp *
+Timestamp *
now(void)
{
- Timestamp *result;
+ Timestamp *result;
AbsoluteTime sec;
result = palloc(sizeof(Timestamp));
{
span->month = ((tm->tm_year * 12) + tm->tm_mon);
span->time = ((((((tm->tm_mday * 24.0)
- + tm->tm_hour) * 60.0)
- + tm->tm_min) * 60.0)
- + tm->tm_sec);
+ + tm->tm_hour) * 60.0)
+ + tm->tm_min) * 60.0)
+ + tm->tm_sec);
span->time = JROUND(span->time + fsec);
return 0;
return dt;
} /* SetTimestamp() */
-/* timestamp_relop - is timestamp1 relop timestamp2
+/* timestamp_relop - is timestamp1 relop timestamp2
*/
bool
timestamp_eq(Timestamp *timestamp1, Timestamp *timestamp2)
/* Make sure we have ordered pairs... */
if (timestamp_gt(ts1, te1))
{
- Timestamp *tt = ts1;
+ Timestamp *tt = ts1;
+
ts1 = te1;
te1 = tt;
}
if (timestamp_gt(ts2, te2))
{
- Timestamp *tt = ts2;
+ Timestamp *tt = ts2;
+
ts2 = te2;
te2 = tt;
}
return ((timestamp_gt(ts1, ts2) && (timestamp_lt(ts1, te2) || timestamp_lt(te1, te2)))
|| (timestamp_gt(ts2, ts1) && (timestamp_lt(ts2, te1) || timestamp_lt(te2, te1)))
|| timestamp_eq(ts1, ts2));
-} /* overlaps_timestamp() */
+} /* overlaps_timestamp() */
/*----------------------------------------------------------
* actual value.
*---------------------------------------------------------*/
-Timestamp *
+Timestamp *
timestamp_smaller(Timestamp *timestamp1, Timestamp *timestamp2)
{
- Timestamp *result;
+ Timestamp *result;
Timestamp dt1,
dt2;
return result;
} /* timestamp_smaller() */
-Timestamp *
+Timestamp *
timestamp_larger(Timestamp *timestamp1, Timestamp *timestamp2)
{
- Timestamp *result;
+ Timestamp *result;
Timestamp dt1,
dt2;
* to the last day of month.
* Lastly, add in the "quantitative time".
*/
-Timestamp *
+Timestamp *
timestamp_pl_span(Timestamp *timestamp, Interval *span)
{
- Timestamp *result;
+ Timestamp *result;
Timestamp dt;
int tz;
char *tzn;
return result;
} /* timestamp_pl_span() */
-Timestamp *
+Timestamp *
timestamp_mi_span(Timestamp *timestamp, Interval *span)
{
- Timestamp *result;
+ Timestamp *result;
Interval tspan;
if (!PointerIsValid(timestamp) || !PointerIsValid(span))
* Text type is not null terminated, so use temporary string
* then call the standard input routine.
*/
-Timestamp *
+Timestamp *
text_timestamp(text *str)
{
- Timestamp *result;
+ Timestamp *result;
int i;
char *sp,
*dp,
/* timestamp_trunc()
* Extract specified field from timestamp.
*/
-Timestamp *
+Timestamp *
timestamp_trunc(text *units, Timestamp *timestamp)
{
- Timestamp *result;
+ Timestamp *result;
Timestamp dt;
int tz;
* Functions for the built-in type bit() and varying bit().
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/varbit.c,v 1.1 2000/04/08 02:12:54 thomas Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/varbit.c,v 1.2 2000/04/12 17:15:52 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "utils/builtins.h"
#include "access/htup.h"
-/*
+/*
Prefixes:
- zp -- zero-padded fixed length bit string
- var -- varying bit string
+ zp -- zero-padded fixed length bit string
+ var -- varying bit string
attypmod -- contains the length of the bit string in bits, or for
- varying bits the maximum length.
+ varying bits the maximum length.
The data structure contains the following elements:
- header -- length of the whole data structure (incl header)
- in bytes. (as with all varying length datatypes)
- data section -- private data section for the bits data structures
- bitlength -- lenght of the bit string in bits
+ header -- length of the whole data structure (incl header)
+ in bytes. (as with all varying length datatypes)
+ data section -- private data section for the bits data structures
+ bitlength -- lenght of the bit string in bits
bitdata -- least significant byte first string
*/
-char *
-varbit_out (bits8 *s) {
- return zpbits_out(s);
+char *
+varbit_out(bits8 *s)
+{
+ return zpbits_out(s);
}
/*
* zpbit_in -
* converts a string to the internal representation of a bitstring.
- * The length is determined by the number of bits required plus
- * VARHDRSZ bytes or from atttypmod.
- * (XXX dummy is here because we pass typelem as the second argument
- * for array_in. copied this, no idea what it means??)
+ * The length is determined by the number of bits required plus
+ * VARHDRSZ bytes or from atttypmod.
+ * (XXX dummy is here because we pass typelem as the second argument
+ * for array_in. copied this, no idea what it means??)
*/
bits8 *
-zpbit_in(char *s, int dummy, int32 atttypmod)
-{
- bits8 *result; /* the bits string that was read in */
- char *sp; /* pointer into the character string */
- bits8 *r;
- int len, /* Length of the whole data structure */
- bitlen, /* Number of bits in the bit string */
- slen; /* Length of the input string */
- int bit_not_hex = 0; /* 0 = hex string 1=bit string */
- int bc, ipad;
- bits8 x = 0;
-
-
- if (s == NULL)
- return (bits8 *) NULL;
-
- /* Check that the first character is a b or an x */
- if (s[0]=='b' || s[0]=='B')
- bit_not_hex = 1;
- else if (s[0]=='x' || s[0]=='X')
- bit_not_hex = 0;
- else
- elog(ERROR, "zpbit_in: %s is not a valid bitstring",s);
-
- slen = strlen(s) - 1;
- /* Determine bitlength from input string */
- bitlen = slen;
- if (!bit_not_hex)
- bitlen *= 4;
-
- /* Sometimes atttypmod is not supplied. If it is supplied we need to make
- sure that the bitstring fits. Note that the number of infered bits can
- be larger than the number of actual bits needed, but only if we are
- reading a hex string and not by more than 3 bits, as a hex string gives
- and accurate length upto 4 bits */
- if (atttypmod == -1)
- atttypmod = bitlen;
- else
- if ((bitlen>atttypmod && bit_not_hex) ||
- (bitlen>atttypmod+3 && !bit_not_hex))
- elog(ERROR, "zpbit_in: bit string of size %d cannot be written into bits(%d)",
- bitlen,atttypmod);
-
-
- len = VARBITDATALEN(atttypmod);
-
- if (len > MaxAttrSize)
- elog(ERROR, "zpbit_in: length of bit() must be less than %ld",
- (MaxAttrSize-VARHDRSZ-VARBITHDRSZ)*BITSPERBYTE);
-
- result = (bits8 *) palloc(len);
- /* set to 0 so that *r is always initialised and strin is zero-padded */
- memset(result, 0, len);
- VARSIZE(result) = len;
- VARBITLEN(result) = atttypmod;
-
- /* We need to read the bitstring from the end, as we store it least
- significant byte first. s points to the byte before the beginning
- of the bitstring */
- sp = s+1;
- r = VARBITS(result);
- if (bit_not_hex)
- {
- /* Parse the bit representation of the string */
- /* We know it fits, as bitlen was compared to atttypmod */
- x = BITHIGH;
- for (bc = 0; sp != s+slen+1; sp++, bc++)
+zpbit_in(char *s, int dummy, int32 atttypmod)
+{
+ bits8 *result; /* the bits string that was read in */
+ char *sp; /* pointer into the character string */
+ bits8 *r;
+ int len, /* Length of the whole data structure */
+ bitlen, /* Number of bits in the bit string */
+ slen; /* Length of the input string */
+ int bit_not_hex = 0;/* 0 = hex string 1=bit string */
+ int bc,
+ ipad;
+ bits8 x = 0;
+
+
+ if (s == NULL)
+ return (bits8 *) NULL;
+
+ /* Check that the first character is a b or an x */
+ if (s[0] == 'b' || s[0] == 'B')
+ bit_not_hex = 1;
+ else if (s[0] == 'x' || s[0] == 'X')
+ bit_not_hex = 0;
+ else
+ elog(ERROR, "zpbit_in: %s is not a valid bitstring", s);
+
+ slen = strlen(s) - 1;
+ /* Determine bitlength from input string */
+ bitlen = slen;
+ if (!bit_not_hex)
+ bitlen *= 4;
+
+ /*
+ * Sometimes atttypmod is not supplied. If it is supplied we need to
+ * make sure that the bitstring fits. Note that the number of infered
+ * bits can be larger than the number of actual bits needed, but only
+ * if we are reading a hex string and not by more than 3 bits, as a
+ * hex string gives and accurate length upto 4 bits
+ */
+ if (atttypmod == -1)
+ atttypmod = bitlen;
+ else if ((bitlen > atttypmod && bit_not_hex) ||
+ (bitlen > atttypmod + 3 && !bit_not_hex))
+ elog(ERROR, "zpbit_in: bit string of size %d cannot be written into bits(%d)",
+ bitlen, atttypmod);
+
+
+ len = VARBITDATALEN(atttypmod);
+
+ if (len > MaxAttrSize)
+ elog(ERROR, "zpbit_in: length of bit() must be less than %ld",
+ (MaxAttrSize - VARHDRSZ - VARBITHDRSZ) * BITSPERBYTE);
+
+ result = (bits8 *) palloc(len);
+ /* set to 0 so that *r is always initialised and strin is zero-padded */
+ memset(result, 0, len);
+ VARSIZE(result) = len;
+ VARBITLEN(result) = atttypmod;
+
+ /*
+ * We need to read the bitstring from the end, as we store it least
+ * significant byte first. s points to the byte before the beginning
+ * of the bitstring
+ */
+ sp = s + 1;
+ r = VARBITS(result);
+ if (bit_not_hex)
{
- if (*sp=='1')
- *r |= x;
- if (bc==7) {
- bc = 0;
- x = BITHIGH;
- r++;
- } else
- x >>= 1;
+ /* Parse the bit representation of the string */
+ /* We know it fits, as bitlen was compared to atttypmod */
+ x = BITHIGH;
+ for (bc = 0; sp != s + slen + 1; sp++, bc++)
+ {
+ if (*sp == '1')
+ *r |= x;
+ if (bc == 7)
+ {
+ bc = 0;
+ x = BITHIGH;
+ r++;
+ }
+ else
+ x >>= 1;
+ }
}
- }
- else
- {
- /* Parse the hex representation of the string */
- for (bc = 0; sp != s+slen+1; sp++)
+ else
{
- if (*sp>='0' && *sp<='9')
- x = (bits8) (*sp - '0');
- else if (*sp>='A' && *sp<='F')
- x = (bits8) (*sp - 'A') + 10;
- else if (*sp>='a' && *sp<='f')
- x = (bits8) (*sp - 'a') + 10;
- else
- elog(ERROR,"Cannot parse %c as a hex digit",*sp);
- if (bc) {
- bc = 0;
- *r++ |= x;
- } else {
- bc++;
- *r = x<<4;
- }
+ /* Parse the hex representation of the string */
+ for (bc = 0; sp != s + slen + 1; sp++)
+ {
+ if (*sp >= '0' && *sp <= '9')
+ x = (bits8) (*sp - '0');
+ else if (*sp >= 'A' && *sp <= 'F')
+ x = (bits8) (*sp - 'A') + 10;
+ else if (*sp >= 'a' && *sp <= 'f')
+ x = (bits8) (*sp - 'a') + 10;
+ else
+ elog(ERROR, "Cannot parse %c as a hex digit", *sp);
+ if (bc)
+ {
+ bc = 0;
+ *r++ |= x;
+ }
+ else
+ {
+ bc++;
+ *r = x << 4;
+ }
+ }
}
- }
- if (bitlen > atttypmod) {
- /* Check that this fitted */
- r = (bits8 *) (result + len - 1);
- ipad = VARBITPAD(result);
- /* The bottom ipad bits of the byte pointed to by r need to be zero */
- if (((*r << (BITSPERBYTE-ipad)) & BITMASK) > 0)
- elog(ERROR, "zpbit_in: bit string too large for bit(%d) data type",
- atttypmod);
- }
+ if (bitlen > atttypmod)
+ {
+ /* Check that this fitted */
+ r = (bits8 *) (result + len - 1);
+ ipad = VARBITPAD(result);
+
+ /*
+ * The bottom ipad bits of the byte pointed to by r need to be
+ * zero
+ */
+ if (((*r << (BITSPERBYTE - ipad)) & BITMASK) > 0)
+ elog(ERROR, "zpbit_in: bit string too large for bit(%d) data type",
+ atttypmod);
+ }
- return result;
+ return result;
}
/* zpbit_out -
- * for the time being we print everything as hex strings, as this is likely
- * to be more compact than bit strings, and consequently much more efficient
- * for long strings
+ * for the time being we print everything as hex strings, as this is likely
+ * to be more compact than bit strings, and consequently much more efficient
+ * for long strings
*/
char *
zpbit_out(bits8 *s)
{
- char *result, *r;
- bits8 *sp;
- int i, len, bitlen;
-
- if (s == NULL)
- {
- result = (char *) palloc(2);
- result[0] = '-';
- result[1] = '\0';
- }
- else
- {
- bitlen = VARBITLEN(s);
- len = bitlen/4 + (bitlen%4>0 ? 1 : 0);
- result = (char *) palloc(len + 4);
- sp = VARBITS(s);
- r = result;
- *r++ = 'X';
- *r++ = '\'';
- /* we cheat by knowing that we store full bytes zero padded */
- for (i=0; i<len; i+=2, sp++) {
- *r++ = HEXDIG((*sp)>>4);
- *r++ = HEXDIG((*sp) & 0xF);
- }
- /* Go back one step if we printed a hex number that was not part
- of the bitstring anymore */
- if (i==len+1)
- r--;
- *r++ = '\'';
- *r = '\0';
- }
- return result;
+ char *result,
+ *r;
+ bits8 *sp;
+ int i,
+ len,
+ bitlen;
+
+ if (s == NULL)
+ {
+ result = (char *) palloc(2);
+ result[0] = '-';
+ result[1] = '\0';
+ }
+ else
+ {
+ bitlen = VARBITLEN(s);
+ len = bitlen / 4 + (bitlen % 4 > 0 ? 1 : 0);
+ result = (char *) palloc(len + 4);
+ sp = VARBITS(s);
+ r = result;
+ *r++ = 'X';
+ *r++ = '\'';
+ /* we cheat by knowing that we store full bytes zero padded */
+ for (i = 0; i < len; i += 2, sp++)
+ {
+ *r++ = HEXDIG((*sp) >> 4);
+ *r++ = HEXDIG((*sp) & 0xF);
+ }
+
+ /*
+ * Go back one step if we printed a hex number that was not part
+ * of the bitstring anymore
+ */
+ if (i == len + 1)
+ r--;
+ *r++ = '\'';
+ *r = '\0';
+ }
+ return result;
}
/* zpbits_out -
- * Prints the string a bits
+ * Prints the string a bits
*/
char *
zpbits_out(bits8 *s)
{
- char *result, *r;
- bits8 *sp;
- bits8 x;
- int i, k, len;
-
- if (s == NULL)
- {
- result = (char *) palloc(2);
- result[0] = '-';
- result[1] = '\0';
- }
- else
- {
- len = VARBITLEN(s);
- result = (char *) palloc(len + 4);
- sp = VARBITS(s);
- r = result;
- *r++ = 'B';
- *r++ = '\'';
- for (i=0; i<len-BITSPERBYTE; i+=BITSPERBYTE, sp++) {
- x = *sp;
- for (k=0; k<BITSPERBYTE; k++)
- {
- *r++ = (x & BITHIGH) ? '1' : '0';
- x <<= 1;
- }
- }
- x = *sp;
- for (k=i; k<len; k++)
+ char *result,
+ *r;
+ bits8 *sp;
+ bits8 x;
+ int i,
+ k,
+ len;
+
+ if (s == NULL)
{
- *r++ = (x & BITHIGH) ? '1' : '0';
- x <<= 1;
+ result = (char *) palloc(2);
+ result[0] = '-';
+ result[1] = '\0';
}
- *r++ = '\'';
- *r = '\0';
- }
- return result;
+ else
+ {
+ len = VARBITLEN(s);
+ result = (char *) palloc(len + 4);
+ sp = VARBITS(s);
+ r = result;
+ *r++ = 'B';
+ *r++ = '\'';
+ for (i = 0; i < len - BITSPERBYTE; i += BITSPERBYTE, sp++)
+ {
+ x = *sp;
+ for (k = 0; k < BITSPERBYTE; k++)
+ {
+ *r++ = (x & BITHIGH) ? '1' : '0';
+ x <<= 1;
+ }
+ }
+ x = *sp;
+ for (k = i; k < len; k++)
+ {
+ *r++ = (x & BITHIGH) ? '1' : '0';
+ x <<= 1;
+ }
+ *r++ = '\'';
+ *r = '\0';
+ }
+ return result;
}
* converts a string to the internal representation of a bitstring.
*/
bits8 *
-varbit_in(char *s, int dummy, int32 atttypmod)
-{
- bits8 *result; /* The resulting bit string */
- char *sp; /* pointer into the character string */
- bits8 *r;
- int len, /* Length of the whole data structure */
- bitlen, /* Number of bits in the bit string */
- slen; /* Length of the input string */
- int bit_not_hex = 0;
- int bc, ipad;
- bits8 x = 0;
-
-
- if (s == NULL)
- return (bits8 *) NULL;
-
- /* Check that the first character is a b or an x */
- if (s[0]=='b' || s[0]=='B')
- bit_not_hex = 1;
- else if (s[0]=='x' || s[0]=='X')
- bit_not_hex = 0;
- else
- elog(ERROR, "zpbit_in: %s is not a valid bitstring",s);
-
- slen = strlen(s) - 1;
- /* Determine bitlength from input string */
- bitlen = slen;
- if (!bit_not_hex)
- bitlen *= 4;
-
- /* Sometimes atttypmod is not supplied. If it is supplied we need to make
- sure that the bitstring fits. Note that the number of infered bits can
- be larger than the number of actual bits needed, but only if we are
- reading a hex string and not by more than 3 bits, as a hex string gives
- and accurate length upto 4 bits */
- if (atttypmod > -1)
- if ((bitlen>atttypmod && bit_not_hex) ||
- (bitlen>atttypmod+3 && !bit_not_hex))
- elog(ERROR, "varbit_in: bit string of size %d cannot be written into varying bits(%d)",
- bitlen,atttypmod);
-
-
- len = VARBITDATALEN(bitlen);
-
- if (len > MaxAttrSize)
- elog(ERROR, "varbit_in: length of bit() must be less than %ld",
- (MaxAttrSize-VARHDRSZ-VARBITHDRSZ)*BITSPERBYTE);
-
- result = (bits8 *) palloc(len);
- /* set to 0 so that *r is always initialised and strin is zero-padded */
- memset(result, 0, len);
- VARSIZE(result) = len;
- VARBITLEN(result) = bitlen;
-
- /* We need to read the bitstring from the end, as we store it least
- significant byte first. s points to the byte before the beginning
- of the bitstring */
- sp = s + 1;
- r = VARBITS(result);
- if (bit_not_hex)
- {
- /* Parse the bit representation of the string */
- x = BITHIGH;
- for (bc = 0; sp != s+slen+1; sp++, bc++)
+varbit_in(char *s, int dummy, int32 atttypmod)
+{
+ bits8 *result; /* The resulting bit string */
+ char *sp; /* pointer into the character string */
+ bits8 *r;
+ int len, /* Length of the whole data structure */
+ bitlen, /* Number of bits in the bit string */
+ slen; /* Length of the input string */
+ int bit_not_hex = 0;
+ int bc,
+ ipad;
+ bits8 x = 0;
+
+
+ if (s == NULL)
+ return (bits8 *) NULL;
+
+ /* Check that the first character is a b or an x */
+ if (s[0] == 'b' || s[0] == 'B')
+ bit_not_hex = 1;
+ else if (s[0] == 'x' || s[0] == 'X')
+ bit_not_hex = 0;
+ else
+ elog(ERROR, "zpbit_in: %s is not a valid bitstring", s);
+
+ slen = strlen(s) - 1;
+ /* Determine bitlength from input string */
+ bitlen = slen;
+ if (!bit_not_hex)
+ bitlen *= 4;
+
+ /*
+ * Sometimes atttypmod is not supplied. If it is supplied we need to
+ * make sure that the bitstring fits. Note that the number of infered
+ * bits can be larger than the number of actual bits needed, but only
+ * if we are reading a hex string and not by more than 3 bits, as a
+ * hex string gives and accurate length upto 4 bits
+ */
+ if (atttypmod > -1)
+ if ((bitlen > atttypmod && bit_not_hex) ||
+ (bitlen > atttypmod + 3 && !bit_not_hex))
+ elog(ERROR, "varbit_in: bit string of size %d cannot be written into varying bits(%d)",
+ bitlen, atttypmod);
+
+
+ len = VARBITDATALEN(bitlen);
+
+ if (len > MaxAttrSize)
+ elog(ERROR, "varbit_in: length of bit() must be less than %ld",
+ (MaxAttrSize - VARHDRSZ - VARBITHDRSZ) * BITSPERBYTE);
+
+ result = (bits8 *) palloc(len);
+ /* set to 0 so that *r is always initialised and strin is zero-padded */
+ memset(result, 0, len);
+ VARSIZE(result) = len;
+ VARBITLEN(result) = bitlen;
+
+ /*
+ * We need to read the bitstring from the end, as we store it least
+ * significant byte first. s points to the byte before the beginning
+ * of the bitstring
+ */
+ sp = s + 1;
+ r = VARBITS(result);
+ if (bit_not_hex)
{
- if (*sp=='1')
- *r |= x;
- if (bc==7) {
- bc = 0;
- x = BITHIGH;
- r++;
- } else
- x >>= 1;
+ /* Parse the bit representation of the string */
+ x = BITHIGH;
+ for (bc = 0; sp != s + slen + 1; sp++, bc++)
+ {
+ if (*sp == '1')
+ *r |= x;
+ if (bc == 7)
+ {
+ bc = 0;
+ x = BITHIGH;
+ r++;
+ }
+ else
+ x >>= 1;
+ }
}
- }
- else
- {
- for (bc = 0; sp != s+slen+1; sp++)
+ else
{
- if (*sp>='0' && *sp<='9')
- x = (bits8) (*sp - '0');
- else if (*sp>='A' && *sp<='F')
- x = (bits8) (*sp - 'A') + 10;
- else if (*sp>='a' && *sp<='f')
- x = (bits8) (*sp - 'a') + 10;
- else
- elog(ERROR,"Cannot parse %c as a hex digit",*sp);
- if (bc) {
- bc = 0;
- *r++ |= x;
- } else {
- bc++;
- *r = x<<4;
- }
+ for (bc = 0; sp != s + slen + 1; sp++)
+ {
+ if (*sp >= '0' && *sp <= '9')
+ x = (bits8) (*sp - '0');
+ else if (*sp >= 'A' && *sp <= 'F')
+ x = (bits8) (*sp - 'A') + 10;
+ else if (*sp >= 'a' && *sp <= 'f')
+ x = (bits8) (*sp - 'a') + 10;
+ else
+ elog(ERROR, "Cannot parse %c as a hex digit", *sp);
+ if (bc)
+ {
+ bc = 0;
+ *r++ |= x;
+ }
+ else
+ {
+ bc++;
+ *r = x << 4;
+ }
+ }
}
- }
- if (bitlen > atttypmod) {
- /* Check that this fitted */
- r = (bits8 *) (result + len - 1);
- ipad = VARBITPAD(result);
- /* The bottom ipad bits of the byte pointed to by r need to be zero */
- if (((*r << (BITSPERBYTE-ipad)) & BITMASK) > 0)
- elog(ERROR, "varbit_in: bit string too large for varying bit(%d) data type",
- atttypmod);
- }
+ if (bitlen > atttypmod)
+ {
+ /* Check that this fitted */
+ r = (bits8 *) (result + len - 1);
+ ipad = VARBITPAD(result);
+
+ /*
+ * The bottom ipad bits of the byte pointed to by r need to be
+ * zero
+ */
+ if (((*r << (BITSPERBYTE - ipad)) & BITMASK) > 0)
+ elog(ERROR, "varbit_in: bit string too large for varying bit(%d) data type",
+ atttypmod);
+ }
- return result;
+ return result;
}
/*
- the zpbit_out routines are fine for varying bits as well
+ the zpbit_out routines are fine for varying bits as well
*/
* Comparison operators
*
* We only need one set of comparison operators for bitstrings, as the lengths
- * are stored in the same way for zero-padded and varying bit strings.
+ * are stored in the same way for zero-padded and varying bit strings.
*
- * Note that the standard is not unambiguous about the comparison between
+ * Note that the standard is not unambiguous about the comparison between
* zero-padded bit strings and varying bitstrings. If the same value is written
- * into a zero padded bitstring as into a varying bitstring, but the zero
- * padded bitstring has greater length, it will be bigger.
+ * into a zero padded bitstring as into a varying bitstring, but the zero
+ * padded bitstring has greater length, it will be bigger.
*
* Zeros from the beginning of a bitstring cannot simply be ignored, as they
* may be part of a bit string and may be significant.
*/
bool
-biteq (bits8 *arg1, bits8 *arg2)
+biteq(bits8 *arg1, bits8 *arg2)
{
- int bitlen1,
- bitlen2;
+ int bitlen1,
+ bitlen2;
+
+ if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
+ return (bool) 0;
+ bitlen1 = VARBITLEN(arg1);
+ bitlen2 = VARBITLEN(arg2);
+ if (bitlen1 != bitlen2)
+ return (bool) 0;
- if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
- return (bool) 0;
- bitlen1 = VARBITLEN(arg1);
- bitlen2 = VARBITLEN(arg2);
- if (bitlen1 != bitlen2)
- return (bool) 0;
-
- /* bit strings are always stored in a full number of bytes */
- return memcmp((void *)VARBITS(arg1),(void *)VARBITS(arg2),
- VARBITBYTES(arg1)) == 0;
+ /* bit strings are always stored in a full number of bytes */
+ return memcmp((void *) VARBITS(arg1), (void *) VARBITS(arg2),
+ VARBITBYTES(arg1)) == 0;
}
bool
-bitne (bits8 *arg1, bits8 *arg2)
+bitne(bits8 *arg1, bits8 *arg2)
{
- int bitlen1,
- bitlen2;
+ int bitlen1,
+ bitlen2;
- if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
- return (bool) 0;
- bitlen1 = VARBITLEN(arg1);
- bitlen2 = VARBITLEN(arg2);
- if (bitlen1 != bitlen2)
- return (bool) 1;
-
- /* bit strings are always stored in a full number of bytes */
- return memcmp((void *)VARBITS(arg1),(void *)VARBITS(arg2),
- VARBITBYTES(arg1)) != 0;
+ if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
+ return (bool) 0;
+ bitlen1 = VARBITLEN(arg1);
+ bitlen2 = VARBITLEN(arg2);
+ if (bitlen1 != bitlen2)
+ return (bool) 1;
+
+ /* bit strings are always stored in a full number of bytes */
+ return memcmp((void *) VARBITS(arg1), (void *) VARBITS(arg2),
+ VARBITBYTES(arg1)) != 0;
}
/* bitcmp
- *
+ *
* Compares two bitstrings and returns -1, 0, 1 depending on whether the first
* string is smaller, equal, or bigger than the second. All bits are considered
* and additional zero bits may make one string smaller/larger than the other,
* even if their zero-padded values would be the same.
- * Anything is equal to undefined.
+ * Anything is equal to undefined.
*/
-int
-bitcmp (bits8 *arg1, bits8 *arg2)
-{
- int bitlen1, bytelen1,
- bitlen2, bytelen2;
- int cmp;
-
- if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
- return (bool) 0;
- bytelen1 = VARBITBYTES(arg1);
- bytelen2 = VARBITBYTES(arg2);
-
- cmp = memcmp(VARBITS(arg1),VARBITS(arg2),Min(bytelen1,bytelen2));
- if (cmp==0) {
- bitlen1 = VARBITLEN(arg1);
- bitlen2 = VARBITLEN(arg2);
- if (bitlen1 != bitlen2)
- return bitlen1 < bitlen2 ? -1 : 1;
- }
- return cmp;
+int
+bitcmp(bits8 *arg1, bits8 *arg2)
+{
+ int bitlen1,
+ bytelen1,
+ bitlen2,
+ bytelen2;
+ int cmp;
+
+ if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
+ return (bool) 0;
+ bytelen1 = VARBITBYTES(arg1);
+ bytelen2 = VARBITBYTES(arg2);
+
+ cmp = memcmp(VARBITS(arg1), VARBITS(arg2), Min(bytelen1, bytelen2));
+ if (cmp == 0)
+ {
+ bitlen1 = VARBITLEN(arg1);
+ bitlen2 = VARBITLEN(arg2);
+ if (bitlen1 != bitlen2)
+ return bitlen1 < bitlen2 ? -1 : 1;
+ }
+ return cmp;
}
bool
-bitlt (bits8 *arg1, bits8 *arg2)
+bitlt(bits8 *arg1, bits8 *arg2)
{
- return (bool) (bitcmp(arg1,arg2) == -1);
+ return (bool) (bitcmp(arg1, arg2) == -1);
}
bool
-bitle (bits8 *arg1, bits8 *arg2)
+bitle(bits8 *arg1, bits8 *arg2)
{
- return (bool) (bitcmp(arg1,arg2) <= 0);
+ return (bool) (bitcmp(arg1, arg2) <= 0);
}
bool
-bitge (bits8 *arg1, bits8 *arg2)
+bitge(bits8 *arg1, bits8 *arg2)
{
- return (bool) (bitcmp(arg1,arg2) >= 0);
+ return (bool) (bitcmp(arg1, arg2) >= 0);
}
bool
-bitgt (bits8 *arg1, bits8 *arg2)
+bitgt(bits8 *arg1, bits8 *arg2)
{
- return (bool) (bitcmp(arg1,arg2) == 1);
+ return (bool) (bitcmp(arg1, arg2) == 1);
}
/* bitcat
* Concatenation of bit strings
*/
bits8 *
-bitcat (bits8 *arg1, bits8 *arg2)
-{
- int bitlen1, bitlen2, bytelen, bit1pad, bit2shift;
- bits8 *result;
- bits8 *pr, *pa;
-
- if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
- return NULL;
-
- bitlen1 = VARBITLEN(arg1);
- bitlen2 = VARBITLEN(arg2);
-
- bytelen = VARBITDATALEN(bitlen1+bitlen2);
-
- result = (bits8 *) palloc(bytelen*sizeof(bits8));
- VARSIZE(result) = bytelen;
- VARBITLEN(result) = bitlen1+bitlen2;
- /* Copy the first bitstring in */
- memcpy(VARBITS(result),VARBITS(arg1),VARBITBYTES(arg1));
- /* Copy the second bit string */
- bit1pad = VARBITPAD(arg1);
- if (bit1pad==0)
- {
- memcpy(VARBITS(result)+VARBITBYTES(arg1),VARBITS(arg2),
- VARBITBYTES(arg2));
- }
- else if (bitlen2>0)
- {
- /* We need to shift all the results to fit */
- bit2shift = BITSPERBYTE - bit1pad;
- pa = VARBITS(arg2);
- pr = VARBITS(result)+VARBITBYTES(arg1)-1;
- for ( ; pa < VARBITEND(arg2); pa++) {
- *pr |= ((*pa >> bit2shift) & BITMASK);
- pr++;
- if (pr < VARBITEND(result))
- *pr = (*pa << bit1pad) & BITMASK;
- }
- }
-
- return result;
+bitcat(bits8 *arg1, bits8 *arg2)
+{
+ int bitlen1,
+ bitlen2,
+ bytelen,
+ bit1pad,
+ bit2shift;
+ bits8 *result;
+ bits8 *pr,
+ *pa;
+
+ if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
+ return NULL;
+
+ bitlen1 = VARBITLEN(arg1);
+ bitlen2 = VARBITLEN(arg2);
+
+ bytelen = VARBITDATALEN(bitlen1 + bitlen2);
+
+ result = (bits8 *) palloc(bytelen * sizeof(bits8));
+ VARSIZE(result) = bytelen;
+ VARBITLEN(result) = bitlen1 + bitlen2;
+ /* Copy the first bitstring in */
+ memcpy(VARBITS(result), VARBITS(arg1), VARBITBYTES(arg1));
+ /* Copy the second bit string */
+ bit1pad = VARBITPAD(arg1);
+ if (bit1pad == 0)
+ {
+ memcpy(VARBITS(result) + VARBITBYTES(arg1), VARBITS(arg2),
+ VARBITBYTES(arg2));
+ }
+ else if (bitlen2 > 0)
+ {
+ /* We need to shift all the results to fit */
+ bit2shift = BITSPERBYTE - bit1pad;
+ pa = VARBITS(arg2);
+ pr = VARBITS(result) + VARBITBYTES(arg1) - 1;
+ for (; pa < VARBITEND(arg2); pa++)
+ {
+ *pr |= ((*pa >> bit2shift) & BITMASK);
+ pr++;
+ if (pr < VARBITEND(result))
+ *pr = (*pa << bit1pad) & BITMASK;
+ }
+ }
+
+ return result;
}
/* bitsubstr
- * retrieve a substring from the bit string.
+ * retrieve a substring from the bit string.
* Note, s is 1-based.
* SQL draft 6.10 9)
*/
-bits8 *
-bitsubstr (bits8 *arg, int32 s, int32 l)
-{
- int bitlen,
- rbitlen,
- len,
- ipad = 0,
- ishift,
- i;
- int e, s1, e1;
- bits8 * result;
- bits8 mask, *r, *ps;
-
- if (!PointerIsValid(arg))
- return NULL;
-
- bitlen = VARBITLEN(arg);
- e = s+l;
- s1 = Max(s,1);
- e1 = Min(e,bitlen+1);
- if (s1>bitlen || e1<1)
- {
- /* Need to return a null string */
- len = VARBITDATALEN(0);
- result = (bits8 *) palloc(len);
- VARBITLEN(result) = 0;
- VARSIZE(result) = len;
- }
- else
- {
- /* OK, we've got a true substring starting at position s1-1 and
- ending at position e1-1 */
- rbitlen = e1-s1;
- len = VARBITDATALEN(rbitlen);
- result = (bits8 *) palloc(len);
- VARBITLEN(result) = rbitlen;
- VARSIZE(result) = len;
- len -= VARHDRSZ + VARBITHDRSZ;
- /* Are we copying from a byte boundary? */
- if ((s1-1)%BITSPERBYTE==0)
- {
- /* Yep, we are copying bytes */
- memcpy(VARBITS(result),VARBITS(arg)+(s1-1)/BITSPERBYTE,len);
- }
- else
+bits8 *
+bitsubstr(bits8 *arg, int32 s, int32 l)
+{
+ int bitlen,
+ rbitlen,
+ len,
+ ipad = 0,
+ ishift,
+ i;
+ int e,
+ s1,
+ e1;
+ bits8 *result;
+ bits8 mask,
+ *r,
+ *ps;
+
+ if (!PointerIsValid(arg))
+ return NULL;
+
+ bitlen = VARBITLEN(arg);
+ e = s + l;
+ s1 = Max(s, 1);
+ e1 = Min(e, bitlen + 1);
+ if (s1 > bitlen || e1 < 1)
{
- /* Figure out how much we need to shift the sequence by */
- ishift = (s1-1)%BITSPERBYTE;
- r = VARBITS(result);
- ps = VARBITS(arg) + (s1-1)/BITSPERBYTE;
- for (i=0; i<len; i++)
- {
- *r = (*ps <<ishift) & BITMASK;
- if ((++ps) < VARBITEND(arg))
- *r |= *ps >>(BITSPERBYTE-ishift);
- r++;
- }
+ /* Need to return a null string */
+ len = VARBITDATALEN(0);
+ result = (bits8 *) palloc(len);
+ VARBITLEN(result) = 0;
+ VARSIZE(result) = len;
}
- /* Do we need to pad at the end? */
- ipad = VARBITPAD(result);
- if (ipad > 0)
+ else
{
- mask = BITMASK << ipad;
- *(VARBITS(result) + len - 1) &= mask;
+
+ /*
+ * OK, we've got a true substring starting at position s1-1 and
+ * ending at position e1-1
+ */
+ rbitlen = e1 - s1;
+ len = VARBITDATALEN(rbitlen);
+ result = (bits8 *) palloc(len);
+ VARBITLEN(result) = rbitlen;
+ VARSIZE(result) = len;
+ len -= VARHDRSZ + VARBITHDRSZ;
+ /* Are we copying from a byte boundary? */
+ if ((s1 - 1) % BITSPERBYTE == 0)
+ {
+ /* Yep, we are copying bytes */
+ memcpy(VARBITS(result), VARBITS(arg) + (s1 - 1) / BITSPERBYTE, len);
+ }
+ else
+ {
+ /* Figure out how much we need to shift the sequence by */
+ ishift = (s1 - 1) % BITSPERBYTE;
+ r = VARBITS(result);
+ ps = VARBITS(arg) + (s1 - 1) / BITSPERBYTE;
+ for (i = 0; i < len; i++)
+ {
+ *r = (*ps << ishift) & BITMASK;
+ if ((++ps) < VARBITEND(arg))
+ *r |= *ps >> (BITSPERBYTE - ishift);
+ r++;
+ }
+ }
+ /* Do we need to pad at the end? */
+ ipad = VARBITPAD(result);
+ if (ipad > 0)
+ {
+ mask = BITMASK << ipad;
+ *(VARBITS(result) + len - 1) &= mask;
+ }
}
- }
- return result;
+ return result;
}
/* bitand
* truncated to the shorter bit string
*/
bits8 *
-bitand (bits8 * arg1, bits8 * arg2)
-{
- int len,
- i;
- bits8 *result;
- bits8 *p1,
- *p2,
- *r;
-
- if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
- return (bool) 0;
-
- len = Min(VARSIZE(arg1),VARSIZE(arg2));
- result = (bits8 *) palloc(len);
- VARSIZE(result) = len;
- VARBITLEN(result) = Min(VARBITLEN(arg1),VARBITLEN(arg2));
-
- p1 = (bits8 *) VARBITS(arg1);
- p2 = (bits8 *) VARBITS(arg2);
- r = (bits8 *) VARBITS(result);
- for (i=0; i<Min(VARBITBYTES(arg1),VARBITBYTES(arg2)); i++)
- *r++ = *p1++ & *p2++;
-
- /* Padding is not needed as & of 0 pad is 0 */
-
- return result;
+bitand(bits8 *arg1, bits8 *arg2)
+{
+ int len,
+ i;
+ bits8 *result;
+ bits8 *p1,
+ *p2,
+ *r;
+
+ if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
+ return (bool) 0;
+
+ len = Min(VARSIZE(arg1), VARSIZE(arg2));
+ result = (bits8 *) palloc(len);
+ VARSIZE(result) = len;
+ VARBITLEN(result) = Min(VARBITLEN(arg1), VARBITLEN(arg2));
+
+ p1 = (bits8 *) VARBITS(arg1);
+ p2 = (bits8 *) VARBITS(arg2);
+ r = (bits8 *) VARBITS(result);
+ for (i = 0; i < Min(VARBITBYTES(arg1), VARBITBYTES(arg2)); i++)
+ *r++ = *p1++ & *p2++;
+
+ /* Padding is not needed as & of 0 pad is 0 */
+
+ return result;
}
/* bitor
* truncated to the shorter bit string.
*/
bits8 *
-bitor (bits8 * arg1, bits8 * arg2)
+bitor(bits8 *arg1, bits8 *arg2)
{
- int len,
- i;
- bits8 *result;
- bits8 *p1,
- *p2,
- *r;
- bits8 mask;
+ int len,
+ i;
+ bits8 *result;
+ bits8 *p1,
+ *p2,
+ *r;
+ bits8 mask;
- if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
- return (bool) 0;
+ if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
+ return (bool) 0;
- len = Min(VARSIZE(arg1),VARSIZE(arg2));
- result = (bits8 *) palloc(len);
- VARSIZE(result) = len;
- VARBITLEN(result) = Min(VARBITLEN(arg1),VARBITLEN(arg2));
+ len = Min(VARSIZE(arg1), VARSIZE(arg2));
+ result = (bits8 *) palloc(len);
+ VARSIZE(result) = len;
+ VARBITLEN(result) = Min(VARBITLEN(arg1), VARBITLEN(arg2));
- p1 = (bits8 *) VARBITS(arg1);
- p2 = (bits8 *) VARBITS(arg2);
- r = (bits8 *) VARBITS(result);
- for (i=0; i<Min(VARBITBYTES(arg1),VARBITBYTES(arg2)); i++)
- *r++ = *p1++ | *p2++;
+ p1 = (bits8 *) VARBITS(arg1);
+ p2 = (bits8 *) VARBITS(arg2);
+ r = (bits8 *) VARBITS(result);
+ for (i = 0; i < Min(VARBITBYTES(arg1), VARBITBYTES(arg2)); i++)
+ *r++ = *p1++ | *p2++;
- /* Pad the result */
- mask = BITMASK << VARBITPAD(result);
- *r &= mask;
-
- return result;
+ /* Pad the result */
+ mask = BITMASK << VARBITPAD(result);
+ *r &= mask;
+
+ return result;
}
/* bitxor
* truncated to the shorter bit string.
*/
bits8 *
-bitxor (bits8 * arg1, bits8 * arg2)
-{
- int len,
- i;
- bits8 *result;
- bits8 *p1,
- *p2,
- *r;
- bits8 mask;
-
- if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
- return (bool) 0;
-
- len = Min(VARSIZE(arg1),VARSIZE(arg2));
- result = (bits8 *) palloc(len);
- VARSIZE(result) = len;
- VARBITLEN(result) = Min(VARBITLEN(arg1),VARBITLEN(arg2));
-
- p1 = (bits8 *) VARBITS(arg1);
- p2 = (bits8 *) VARBITS(arg2);
- r = (bits8 *) VARBITS(result);
- for (i=0; i<Min(VARBITBYTES(arg1),VARBITBYTES(arg2)); i++)
- {
- *r++ = *p1++ ^ *p2++;
- }
-
- /* Pad the result */
- mask = BITMASK << VARBITPAD(result);
- *r &= mask;
-
- return result;
+bitxor(bits8 *arg1, bits8 *arg2)
+{
+ int len,
+ i;
+ bits8 *result;
+ bits8 *p1,
+ *p2,
+ *r;
+ bits8 mask;
+
+ if (!PointerIsValid(arg1) || !PointerIsValid(arg2))
+ return (bool) 0;
+
+ len = Min(VARSIZE(arg1), VARSIZE(arg2));
+ result = (bits8 *) palloc(len);
+ VARSIZE(result) = len;
+ VARBITLEN(result) = Min(VARBITLEN(arg1), VARBITLEN(arg2));
+
+ p1 = (bits8 *) VARBITS(arg1);
+ p2 = (bits8 *) VARBITS(arg2);
+ r = (bits8 *) VARBITS(result);
+ for (i = 0; i < Min(VARBITBYTES(arg1), VARBITBYTES(arg2)); i++)
+ *r++ = *p1++ ^ *p2++;
+
+ /* Pad the result */
+ mask = BITMASK << VARBITPAD(result);
+ *r &= mask;
+
+ return result;
}
/* bitnot
* perform a logical NOT on a bit strings.
*/
bits8 *
-bitnot (bits8 * arg)
+bitnot(bits8 *arg)
{
- bits8 *result;
- bits8 *p,
- *r;
- bits8 mask;
+ bits8 *result;
+ bits8 *p,
+ *r;
+ bits8 mask;
+
+ if (!PointerIsValid(arg))
+ return (bool) 0;
- if (!PointerIsValid(arg))
- return (bool) 0;
+ result = (bits8 *) palloc(VARSIZE(arg));
+ VARSIZE(result) = VARSIZE(arg);
+ VARBITLEN(result) = VARBITLEN(arg);
- result = (bits8 *) palloc(VARSIZE(arg));
- VARSIZE(result) = VARSIZE(arg);
- VARBITLEN(result) = VARBITLEN(arg);
+ p = (bits8 *) VARBITS(arg);
+ r = (bits8 *) VARBITS(result);
+ for (; p < VARBITEND(arg); p++, r++)
+ *r = ~*p;
- p = (bits8 *) VARBITS(arg);
- r = (bits8 *) VARBITS(result);
- for ( ; p < VARBITEND(arg); p++, r++)
- *r = ~*p;
+ /* Pad the result */
+ mask = BITMASK << VARBITPAD(result);
+ *r &= mask;
- /* Pad the result */
- mask = BITMASK << VARBITPAD(result);
- *r &= mask;
-
- return result;
+ return result;
}
/* bitshiftleft
* do a left shift (i.e. to the beginning of the string) of the bit string
*/
bits8 *
-bitshiftleft (bits8 * arg, int shft)
-{
- int byte_shift, ishift, len;
- bits8 *result;
- bits8 *p,
- *r;
-
- if (!PointerIsValid(arg))
- return (bool) 0;
-
- /* Negative shift is a shift to the right */
- if (shft < 0)
- return bitshiftright(arg, -shft);
-
- result = (bits8 *) palloc(VARSIZE(arg));
- VARSIZE(result) = VARSIZE(arg);
- VARBITLEN(result) = VARBITLEN(arg);
- r = (bits8 *) VARBITS(result);
-
- byte_shift = shft/BITSPERBYTE;
- ishift = shft % BITSPERBYTE;
- p = ((bits8 *) VARBITS(arg)) + byte_shift;
-
- if (ishift == 0) {
- /* Special case: we can do a memcpy */
- len = VARBITBYTES(arg) - byte_shift;
- memcpy(r, p, len);
- memset(r+len, 0, byte_shift);
- } else {
- for ( ; p < VARBITEND(arg); r++) {
- *r = *p <<ishift;
- if ((++p) < VARBITEND(arg))
- *r |= *p >>(BITSPERBYTE-ishift);
- }
- for ( ; r < VARBITEND(result) ; r++ )
- *r = (bits8) 0;
- }
-
- return result;
+bitshiftleft(bits8 *arg, int shft)
+{
+ int byte_shift,
+ ishift,
+ len;
+ bits8 *result;
+ bits8 *p,
+ *r;
+
+ if (!PointerIsValid(arg))
+ return (bool) 0;
+
+ /* Negative shift is a shift to the right */
+ if (shft < 0)
+ return bitshiftright(arg, -shft);
+
+ result = (bits8 *) palloc(VARSIZE(arg));
+ VARSIZE(result) = VARSIZE(arg);
+ VARBITLEN(result) = VARBITLEN(arg);
+ r = (bits8 *) VARBITS(result);
+
+ byte_shift = shft / BITSPERBYTE;
+ ishift = shft % BITSPERBYTE;
+ p = ((bits8 *) VARBITS(arg)) + byte_shift;
+
+ if (ishift == 0)
+ {
+ /* Special case: we can do a memcpy */
+ len = VARBITBYTES(arg) - byte_shift;
+ memcpy(r, p, len);
+ memset(r + len, 0, byte_shift);
+ }
+ else
+ {
+ for (; p < VARBITEND(arg); r++)
+ {
+ *r = *p << ishift;
+ if ((++p) < VARBITEND(arg))
+ *r |= *p >> (BITSPERBYTE - ishift);
+ }
+ for (; r < VARBITEND(result); r++)
+ *r = (bits8) 0;
+ }
+
+ return result;
}
/* bitshiftright
* do a right shift (i.e. to the beginning of the string) of the bit string
*/
bits8 *
-bitshiftright (bits8 * arg, int shft)
-{
- int byte_shift, ishift, len;
- bits8 *result;
- bits8 *p,
- *r;
-
- if (!PointerIsValid(arg))
- return (bits8 *) 0;
-
- /* Negative shift is a shift to the left */
- if (shft < 0)
- return bitshiftleft(arg, -shft);
-
- result = (bits8 *) palloc(VARSIZE(arg));
- VARSIZE(result) = VARSIZE(arg);
- VARBITLEN(result) = VARBITLEN(arg);
- r = (bits8 *) VARBITS(result);
-
- byte_shift = shft/BITSPERBYTE;
- ishift = shft % BITSPERBYTE;
- p = (bits8 *) VARBITS(arg);
-
- /* Set the first part of the result to 0 */
- memset(r, 0, byte_shift);
-
- if (ishift == 0)
- {
- /* Special case: we can do a memcpy */
- len = VARBITBYTES(arg) - byte_shift;
- memcpy(r+byte_shift, p, len);
- }
- else
- {
- r += byte_shift;
- *r = 0; /* Initialise first byte */
- for ( ; r < VARBITEND(result); p++) {
- *r |= *p >> ishift;
- if ((++r) < VARBITEND(result))
- *r = (*p <<(BITSPERBYTE-ishift)) & BITMASK;
- }
- }
-
- return result;
+bitshiftright(bits8 *arg, int shft)
+{
+ int byte_shift,
+ ishift,
+ len;
+ bits8 *result;
+ bits8 *p,
+ *r;
+
+ if (!PointerIsValid(arg))
+ return (bits8 *) 0;
+
+ /* Negative shift is a shift to the left */
+ if (shft < 0)
+ return bitshiftleft(arg, -shft);
+
+ result = (bits8 *) palloc(VARSIZE(arg));
+ VARSIZE(result) = VARSIZE(arg);
+ VARBITLEN(result) = VARBITLEN(arg);
+ r = (bits8 *) VARBITS(result);
+
+ byte_shift = shft / BITSPERBYTE;
+ ishift = shft % BITSPERBYTE;
+ p = (bits8 *) VARBITS(arg);
+
+ /* Set the first part of the result to 0 */
+ memset(r, 0, byte_shift);
+
+ if (ishift == 0)
+ {
+ /* Special case: we can do a memcpy */
+ len = VARBITBYTES(arg) - byte_shift;
+ memcpy(r + byte_shift, p, len);
+ }
+ else
+ {
+ r += byte_shift;
+ *r = 0; /* Initialise first byte */
+ for (; r < VARBITEND(result); p++)
+ {
+ *r |= *p >> ishift;
+ if ((++r) < VARBITEND(result))
+ *r = (*p << (BITSPERBYTE - ishift)) & BITMASK;
+ }
+ }
+
+ return result;
}
bool
-varbiteq (bits8 *arg1, bits8 *arg2)
+varbiteq(bits8 *arg1, bits8 *arg2)
{
return biteq(arg1, arg2);
}
bool
-varbitne (bits8 *arg1, bits8 *arg2)
+varbitne(bits8 *arg1, bits8 *arg2)
{
return bitne(arg1, arg2);
}
bool
-varbitge (bits8 *arg1, bits8 *arg2)
+varbitge(bits8 *arg1, bits8 *arg2)
{
return bitge(arg1, arg2);
}
bool
-varbitgt (bits8 *arg1, bits8 *arg2)
+varbitgt(bits8 *arg1, bits8 *arg2)
{
return bitgt(arg1, arg2);
}
bool
-varbitle (bits8 *arg1, bits8 *arg2)
+varbitle(bits8 *arg1, bits8 *arg2)
{
return bitle(arg1, arg2);
}
bool
-varbitlt (bits8 *arg1, bits8 *arg2)
+varbitlt(bits8 *arg1, bits8 *arg2)
{
return bitlt(arg1, arg2);
}
int
-varbitcmp (bits8 *arg1, bits8 *arg2)
+varbitcmp(bits8 *arg1, bits8 *arg2)
{
return bitcmp(arg1, arg2);
}
bits8 *
-varbitand (bits8 * arg1, bits8 * arg2)
+varbitand(bits8 *arg1, bits8 *arg2)
{
return bitand(arg1, arg2);
}
bits8 *
-varbitor (bits8 * arg1, bits8 * arg2)
+varbitor(bits8 *arg1, bits8 *arg2)
{
return bitor(arg1, arg2);
}
bits8 *
-varbitxor (bits8 * arg1, bits8 * arg2)
+varbitxor(bits8 *arg1, bits8 *arg2)
{
return bitxor(arg1, arg2);
}
bits8 *
-varbitnot (bits8 * arg)
+varbitnot(bits8 *arg)
{
return bitnot(arg);
}
bits8 *
-varbitshiftright (bits8 * arg, int shft)
+varbitshiftright(bits8 *arg, int shft)
{
return bitshiftright(arg, shft);
}
bits8 *
-varbitshiftleft (bits8 * arg, int shft)
+varbitshiftleft(bits8 *arg, int shft)
{
return bitshiftleft(arg, shft);
}
bits8 *
-varbitcat (bits8 *arg1, bits8 *arg2)
+varbitcat(bits8 *arg1, bits8 *arg2)
{
return bitcat(arg1, arg2);
}
bits8 *
-varbitsubstr (bits8 *arg, int32 s, int32 l)
+varbitsubstr(bits8 *arg, int32 s, int32 l)
{
return bitsubstr(arg, s, l);
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/varchar.c,v 1.59 2000/03/13 01:54:07 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/varchar.c,v 1.60 2000/04/12 17:15:52 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifdef CYR_RECODE
char *convertstr(char *, int, int);
+
#endif
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/varlena.c,v 1.57 2000/03/24 02:41:46 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/varlena.c,v 1.58 2000/04/12 17:15:52 momjian Exp $
*
*-------------------------------------------------------------------------
*/
len = VARSIZE(v) - VARHDRSZ;
- if (n < 0 || n >= len*8)
+ if (n < 0 || n >= len * 8)
elog(ERROR, "byteaGetBit: index %d out of range [0..%d]",
- n, len*8 - 1);
+ n, len * 8 - 1);
byteNo = n / 8;
bitNo = n % 8;
len = VARSIZE(v) - VARHDRSZ;
- if (n < 0 || n >= len*8)
+ if (n < 0 || n >= len * 8)
elog(ERROR, "byteaSetBit: index %d out of range [0..%d]",
- n, len*8 - 1);
+ n, len * 8 - 1);
byteNo = n / 8;
bitNo = n % 8;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/cache/catcache.c,v 1.62 2000/02/21 03:36:49 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/cache/catcache.c,v 1.63 2000/04/12 17:15:52 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static void CatCacheRemoveCTup(CatCache *cache, Dlelem *e);
static Index CatalogCacheComputeHashIndex(struct catcache * cacheInP);
static Index CatalogCacheComputeTupleHashIndex(struct catcache * cacheInOutP,
- Relation relation,
- HeapTuple tuple);
+ Relation relation,
+ HeapTuple tuple);
static void CatalogCacheInitializeCache(struct catcache * cache,
- Relation relation);
+ Relation relation);
static uint32 cc_hashname(NameData *n);
/* ----------------
#define CACHE6_elog(a,b,c,d,e,f,g)
#endif
-static CatCache *Caches = NULL; /* head of list of caches */
+static CatCache *Caches = NULL; /* head of list of caches */
GlobalMemory CacheCxt; /* context in which caches are allocated */
+
/* CacheCxt is global because relcache uses it too. */
{
switch (keytype)
{
- case BOOLOID:
- case CHAROID:
+ case BOOLOID:
+ case CHAROID:
return (CCHashFunc) hashchar;
case NAMEOID:
return (CCHashFunc) cc_hashname;
static uint32
cc_hashname(NameData *n)
{
+
/*
* We need our own variant of hashname because we want to accept
- * null-terminated C strings as search values for name fields.
- * So, we have to make sure the data is correctly padded before
- * we compute the hash value.
+ * null-terminated C strings as search values for name fields. So, we
+ * have to make sure the data is correctly padded before we compute
+ * the hash value.
*/
NameData my_n;
if (cache->cc_key[i] > 0)
{
- Oid keytype = tupdesc->attrs[cache->cc_key[i] - 1]->atttypid;
+ Oid keytype = tupdesc->attrs[cache->cc_key[i] - 1]->atttypid;
cache->cc_hashfunc[i] = GetCCHashFunc(keytype);
- /* If GetCCHashFunc liked the type, safe to index into eqproc[] */
+ /*
+ * If GetCCHashFunc liked the type, safe to index into
+ * eqproc[]
+ */
cache->cc_skey[i].sk_procedure = EQPROC(keytype);
fmgr_info(cache->cc_skey[i].sk_procedure,
{
case 4:
hashIndex ^=
- (*cacheInP->cc_hashfunc[3])(cacheInP->cc_skey[3].sk_argument) << 9;
+ (*cacheInP->cc_hashfunc[3]) (cacheInP->cc_skey[3].sk_argument) << 9;
/* FALLTHROUGH */
case 3:
hashIndex ^=
- (*cacheInP->cc_hashfunc[2])(cacheInP->cc_skey[2].sk_argument) << 6;
+ (*cacheInP->cc_hashfunc[2]) (cacheInP->cc_skey[2].sk_argument) << 6;
/* FALLTHROUGH */
case 2:
hashIndex ^=
- (*cacheInP->cc_hashfunc[1])(cacheInP->cc_skey[1].sk_argument) << 3;
+ (*cacheInP->cc_hashfunc[1]) (cacheInP->cc_skey[1].sk_argument) << 3;
/* FALLTHROUGH */
case 1:
hashIndex ^=
- (*cacheInP->cc_hashfunc[0])(cacheInP->cc_skey[0].sk_argument);
+ (*cacheInP->cc_hashfunc[0]) (cacheInP->cc_skey[0].sk_argument);
break;
default:
elog(FATAL, "CCComputeHashIndex: %d cc_nkeys", cacheInP->cc_nkeys);
void
SystemCacheRelationFlushed(Oid relId)
{
+
/*
- * XXX Ideally we'd search the caches and just zap entries that actually
- * refer to or come from the indicated relation. For now, we take the
- * brute-force approach: just flush the caches entirely.
+ * XXX Ideally we'd search the caches and just zap entries that
+ * actually refer to or come from the indicated relation. For now, we
+ * take the brute-force approach: just flush the caches entirely.
*/
ResetSystemCache();
}
* ----------------
*/
{
+
/*
* We can only do this optimization because the number of hash
* buckets never changes. Without it, we call palloc() too much.
*
* This call searches for self-referencing information,
* which causes infinite recursion in the system catalog cache.
- * This code short-circuits the normal index lookup for cache loads
- * in those cases and replaces it with a heap scan.
+ * This code short-circuits the normal index lookup for cache loads
+ * in those cases and replaces it with a heap scan.
*
* cache should already be initailized
* --------------------------------
static HeapTuple
SearchSelfReferences(struct catcache * cache)
{
- HeapTuple ntp;
- Relation rel;
+ HeapTuple ntp;
+ Relation rel;
if (cache->id == INDEXRELID)
{
- static Oid indexSelfOid = InvalidOid;
- static HeapTuple indexSelfTuple = NULL;
+ static Oid indexSelfOid = InvalidOid;
+ static HeapTuple indexSelfTuple = NULL;
if (!OidIsValid(indexSelfOid))
{
- ScanKeyData key;
- HeapScanDesc sd;
+ ScanKeyData key;
+ HeapScanDesc sd;
+
/* Find oid of pg_index_indexrelid_index */
rel = heap_openr(RelationRelationName, AccessShareLock);
ScanKeyEntryInitialize(&key, 0, Anum_pg_class_relname,
- F_NAMEEQ, PointerGetDatum(IndexRelidIndex));
+ F_NAMEEQ, PointerGetDatum(IndexRelidIndex));
sd = heap_beginscan(rel, false, SnapshotNow, 1, &key);
ntp = heap_getnext(sd, 0);
if (!HeapTupleIsValid(ntp))
elog(ERROR, "SearchSelfReferences: %s not found in %s",
- IndexRelidIndex, RelationRelationName);
+ IndexRelidIndex, RelationRelationName);
indexSelfOid = ntp->t_data->t_oid;
heap_endscan(sd);
heap_close(rel, AccessShareLock);
}
/* Looking for something other than pg_index_indexrelid_index? */
- if ((Oid)cache->cc_skey[0].sk_argument != indexSelfOid)
- return (HeapTuple)0;
+ if ((Oid) cache->cc_skey[0].sk_argument != indexSelfOid)
+ return (HeapTuple) 0;
/* Do we need to load our private copy of the tuple? */
if (!HeapTupleIsValid(indexSelfTuple))
{
- HeapScanDesc sd;
- MemoryContext oldcxt;
+ HeapScanDesc sd;
+ MemoryContext oldcxt;
if (!CacheCxt)
CacheCxt = CreateGlobalMemory("Cache");
else if (cache->id == OPEROID)
{
/* bootstrapping this requires preloading a range of rows. bjm */
- static HeapTuple operatorSelfTuple[MAX_OIDCMP-MIN_OIDCMP+1];
- Oid lookup_oid = (Oid)cache->cc_skey[0].sk_argument;
+ static HeapTuple operatorSelfTuple[MAX_OIDCMP - MIN_OIDCMP + 1];
+ Oid lookup_oid = (Oid) cache->cc_skey[0].sk_argument;
if (lookup_oid < MIN_OIDCMP || lookup_oid > MAX_OIDCMP)
- return (HeapTuple)0;
+ return (HeapTuple) 0;
- if (!HeapTupleIsValid(operatorSelfTuple[lookup_oid-MIN_OIDCMP]))
+ if (!HeapTupleIsValid(operatorSelfTuple[lookup_oid - MIN_OIDCMP]))
{
- HeapScanDesc sd;
- MemoryContext oldcxt;
+ HeapScanDesc sd;
+ MemoryContext oldcxt;
if (!CacheCxt)
CacheCxt = CreateGlobalMemory("Cache");
if (!HeapTupleIsValid(ntp))
elog(ERROR, "SearchSelfReferences: tuple not found");
oldcxt = MemoryContextSwitchTo((MemoryContext) CacheCxt);
- operatorSelfTuple[lookup_oid-MIN_OIDCMP] = heap_copytuple(ntp);
+ operatorSelfTuple[lookup_oid - MIN_OIDCMP] = heap_copytuple(ntp);
MemoryContextSwitchTo(oldcxt);
heap_endscan(sd);
heap_close(rel, AccessShareLock);
}
- return operatorSelfTuple[lookup_oid-MIN_OIDCMP];
+ return operatorSelfTuple[lookup_oid - MIN_OIDCMP];
}
else
- return (HeapTuple)0;
+ return (HeapTuple) 0;
}
cache->cc_skey[3].sk_argument = v4;
/*
- * resolve self referencing informtion
+ * resolve self referencing informtion
*/
if ((ntp = SearchSelfReferences(cache)))
return ntp;
}
/* ----------
* Back to Cache context. If we got a tuple copy it
- * into our context. wieck - 10/18/1996
+ * into our context. wieck - 10/18/1996
* And free the tuple that was allocated in the
* transaction's context. tgl - 02/03/2000
* ----------
*/
- if (HeapTupleIsValid(indextp)) {
+ if (HeapTupleIsValid(indextp))
+ {
MemoryContextSwitchTo((MemoryContext) CacheCxt);
ntp = heap_copytuple(indextp);
MemoryContextSwitchTo(oldcxt);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/cache/Attic/fcache.c,v 1.29 2000/01/26 05:57:17 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/cache/Attic/fcache.c,v 1.30 2000/04/12 17:15:53 momjian Exp $
*
*-------------------------------------------------------------------------
*/
}
else
{
+
/*
* This is a hack. We assume here that any function returning a
* relation returns it by reference. This needs to be fixed.
retval->func_state = (char *) NULL;
retval->setArg = NULL;
retval->hasSetArg = false;
- retval->oneResult = ! procedureStruct->proretset;
+ retval->oneResult = !procedureStruct->proretset;
retval->istrusted = procedureStruct->proistrusted;
/*
*/
if ((retval->language == SQLlanguageId) &&
retval->oneResult &&
- ! retval->typbyval)
+ !retval->typbyval)
{
Form_pg_class relationStruct;
HeapTuple relationTuple;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/cache/inval.c,v 1.34 2000/01/31 04:35:52 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/cache/inval.c,v 1.35 2000/04/12 17:15:53 momjian Exp $
*
* Note - this code is real crufty...
*
* eaten by AtCommit_Cache() in CommitTransaction()
*/
static LocalInvalid InvalidForall = EmptyLocalInvalid;
+
/*
* head of invalidation linked list for the backend itself
* eaten by AtCommit_LocalCache() in CommandCounterIncrement()
*/
static LocalInvalid InvalidLocal = EmptyLocalInvalid;
+
/*
* head of rollback linked list for the backend itself
* eaten by AtAbort_Cache() in AbortTransaction()
static InvalidationEntry InvalidationEntryAllocate(uint16 size);
static void LocalInvalidInvalidate(LocalInvalid invalid, void (*function) (), bool freemember);
static LocalInvalid LocalInvalidRegister(LocalInvalid invalid,
- InvalidationEntry entry);
+ InvalidationEntry entry);
static void DiscardInvalidStack(LocalInvalid *invalid);
static void InvalidationMessageRegisterSharedInvalid(InvalidationMessage message);
* --------------------------------
*/
static void
-LocalInvalidInvalidate(LocalInvalid invalid, void (*function) (), bool freemember)
+ LocalInvalidInvalidate(LocalInvalid invalid, void (*function) (), bool freemember)
{
InvalidationEntryData *entryDataP;
static void
DiscardInvalidStack(LocalInvalid *invalid)
{
- LocalInvalid locinv;
+ LocalInvalid locinv;
locinv = *invalid;
*invalid = EmptyLocalInvalid;
if (locinv)
- LocalInvalidInvalidate(locinv, (void (*)()) NULL, true);
+ LocalInvalidInvalidate(locinv, (void (*) ()) NULL, true);
}
/* ----------------------------------------------------------------
*/
static LocalInvalid
CacheIdRegisterSpecifiedLocalInvalid(LocalInvalid invalid,
- Index cacheId, Index hashIndex, ItemPointer pointer)
+ Index cacheId, Index hashIndex, ItemPointer pointer)
{
InvalidationMessage message;
* ----------------
*/
InvalidForall = CacheIdRegisterSpecifiedLocalInvalid(InvalidForall,
- cacheId, hashIndex, pointer);
+ cacheId, hashIndex, pointer);
/* ----------------
* Add message to InvalidLocal linked list.
* ----------------
*/
InvalidLocal = CacheIdRegisterSpecifiedLocalInvalid(InvalidLocal,
- cacheId, hashIndex, pointer);
+ cacheId, hashIndex, pointer);
}
/* --------------------------------
*/
static void
CacheIdRegisterLocalRollback(Index cacheId, Index hashIndex,
- ItemPointer pointer)
+ ItemPointer pointer)
{
/* ----------------
* ----------------
*/
RollbackStack = CacheIdRegisterSpecifiedLocalInvalid(
- RollbackStack, cacheId, hashIndex, pointer);
+ RollbackStack, cacheId, hashIndex, pointer);
}
/* --------------------------------
*/
static void
CacheIdImmediateRegisterSharedInvalid(Index cacheId, Index hashIndex,
- ItemPointer pointer)
+ ItemPointer pointer)
{
InvalidationMessage message;
*/
static LocalInvalid
RelationIdRegisterSpecifiedLocalInvalid(LocalInvalid invalid,
- Oid relationId, Oid objectId)
+ Oid relationId, Oid objectId)
{
InvalidationMessage message;
* ----------------
*/
InvalidForall = RelationIdRegisterSpecifiedLocalInvalid(InvalidForall,
- relationId, objectId);
+ relationId, objectId);
/* ----------------
* Add message to InvalidLocal linked list.
* ----------------
*/
InvalidLocal = RelationIdRegisterSpecifiedLocalInvalid(InvalidLocal,
- relationId, objectId);
+ relationId, objectId);
}
/* --------------------------------
* ----------------
*/
RollbackStack = RelationIdRegisterSpecifiedLocalInvalid(
- RollbackStack, relationId, objectId);
+ RollbackStack, relationId, objectId);
}
/* --------------------------------
InvalidationMessageCacheInvalidate_DEBUG1;
CacheIdInvalidate(message->any.catalog.cacheId,
- message->any.catalog.hashIndex,
- &message->any.catalog.pointerData);
+ message->any.catalog.hashIndex,
+ &message->any.catalog.pointerData);
break;
case 'r': /* cached relation descriptor */
InvalidationMessageCacheInvalidate_DEBUG2;
CacheIdInvalidate(message->any.relation.relationId,
- message->any.relation.objectId,
- (ItemPointer) NULL);
+ message->any.relation.objectId,
+ (ItemPointer) NULL);
break;
default:
{
DiscardInvalidStack(&RollbackStack);
invalid = InvalidForall;
- InvalidForall = EmptyLocalInvalid; /* clear InvalidForall */
+ InvalidForall = EmptyLocalInvalid; /* clear InvalidForall */
LocalInvalidInvalidate(invalid, InvalidationMessageRegisterSharedInvalid, true);
}
else
{
DiscardInvalidStack(&InvalidForall);
invalid = RollbackStack;
- RollbackStack = EmptyLocalInvalid; /* clear RollbackStack */
+ RollbackStack = EmptyLocalInvalid; /* clear RollbackStack */
LocalInvalidInvalidate(invalid, InvalidationMessageCacheInvalidate, true);
}
if (send)
{
invalid = InvalidLocal;
- InvalidLocal = EmptyLocalInvalid; /* clear InvalidLocal */
+ InvalidLocal = EmptyLocalInvalid; /* clear InvalidLocal */
LocalInvalidInvalidate(invalid, InvalidationMessageCacheInvalidate, true);
}
else
{
+
/*
- * This may be used for rollback to a savepoint.
- * Don't clear InvalidForall and RollbackStack here.
+ * This may be used for rollback to a savepoint. Don't clear
+ * InvalidForall and RollbackStack here.
*/
DiscardInvalidStack(&InvalidLocal);
invalid = RollbackStack;
/*
* InvokeHeapTupleInvalidation
* Invoke functions for the tuple which register invalidation
- * of catalog/relation cache.
- * Note:
+ * of catalog/relation cache.
+ * Note:
* Assumes object id is valid.
* Assumes tuple is valid.
*/
static void
InvokeHeapTupleInvalidation(Relation relation, HeapTuple tuple,
- void (*CacheIdRegisterFunc)(),
- void (*RelationIdRegisterFunc)(),
- const char *funcname)
+ void (*CacheIdRegisterFunc) (),
+ void (*RelationIdRegisterFunc) (),
+ const char *funcname)
{
/* ----------------
* sanity checks
*/
InvokeHeapTupleInvalidation_DEBUG1;
- RelationInvalidateCatalogCacheTuple(relation, tuple,
- CacheIdRegisterFunc);
+ RelationInvalidateCatalogCacheTuple(relation, tuple,
+ CacheIdRegisterFunc);
RelationInvalidateRelationCache(relation, tuple,
- RelationIdRegisterFunc);
+ RelationIdRegisterFunc);
}
-
+
/*
* RelationInvalidateHeapTuple
* Causes the given tuple in a relation to be invalidated.
void
RelationInvalidateHeapTuple(Relation relation, HeapTuple tuple)
{
- InvokeHeapTupleInvalidation(relation, tuple,
- CacheIdRegisterLocalInvalid,
- RelationIdRegisterLocalInvalid,
- "RelationInvalidateHeapTuple");
+ InvokeHeapTupleInvalidation(relation, tuple,
+ CacheIdRegisterLocalInvalid,
+ RelationIdRegisterLocalInvalid,
+ "RelationInvalidateHeapTuple");
}
/*
RelationMark4RollbackHeapTuple(Relation relation, HeapTuple tuple)
{
InvokeHeapTupleInvalidation(relation, tuple,
- CacheIdRegisterLocalRollback,
- RelationIdRegisterLocalRollback,
- "RelationMark4RollbackHeapTuple");
+ CacheIdRegisterLocalRollback,
+ RelationIdRegisterLocalRollback,
+ "RelationMark4RollbackHeapTuple");
}
/*
ImmediateInvalidateSharedHeapTuple(Relation relation, HeapTuple tuple)
{
InvokeHeapTupleInvalidation(relation, tuple,
- CacheIdImmediateRegisterSharedInvalid,
- RelationIdImmediateRegisterSharedInvalid,
- "ImmediateInvalidateSharedHeapTuple");
+ CacheIdImmediateRegisterSharedInvalid,
+ RelationIdImmediateRegisterSharedInvalid,
+ "ImmediateInvalidateSharedHeapTuple");
}
/*
* This is needed for smgrunlink()/smgrtruncate().
* Those functions unlink/truncate the base file immediately
* and couldn't be rollbacked in case of abort/crash.
- * So relation cache invalidation must be registerd immediately.
- * Note:
+ * So relation cache invalidation must be registerd immediately.
+ * Note:
* Assumes Relation is valid.
*/
void
* ----------------
*/
#ifdef INVALIDDEBUG
-elog(DEBUG, "ImmediateSharedRelationCacheInvalidate(%s)", \
- RelationGetPhysicalRelationName(relation));
+ elog(DEBUG, "ImmediateSharedRelationCacheInvalidate(%s)", \
+ RelationGetPhysicalRelationName(relation));
#endif /* defined(INVALIDDEBUG) */
RelationIdImmediateRegisterSharedInvalid(
- RelOid_pg_class, RelationGetRelid(relation));
+ RelOid_pg_class, RelationGetRelid(relation));
}
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/cache/lsyscache.c,v 1.40 2000/02/16 01:00:23 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/cache/lsyscache.c,v 1.41 2000/04/12 17:15:53 momjian Exp $
*
* NOTES
* Eventually, the index information should go through here, too.
if (HeapTupleIsValid(tp))
{
Form_pg_attribute att_tup = (Form_pg_attribute) GETSTRUCT(tp);
+
return pstrdup(NameStr(att_tup->attname));
}
else
if (HeapTupleIsValid(tp))
{
Form_pg_attribute att_tup = (Form_pg_attribute) GETSTRUCT(tp);
+
return att_tup->attnum;
}
else
if (HeapTupleIsValid(tp))
{
Form_pg_attribute att_tup = (Form_pg_attribute) GETSTRUCT(tp);
+
return att_tup->atttypid;
}
else
if (HeapTupleIsValid(tp))
{
Form_pg_attribute att_tup = (Form_pg_attribute) GETSTRUCT(tp);
+
return att_tup->attisset;
}
else
if (HeapTupleIsValid(tp))
{
Form_pg_attribute att_tup = (Form_pg_attribute) GETSTRUCT(tp);
+
return att_tup->atttypmod;
}
else
/*
* Special-case boolean columns: the disbursion of a boolean is highly
- * unlikely to be anywhere near 1/numtuples, instead it's probably more
- * like 0.5.
+ * unlikely to be anywhere near 1/numtuples, instead it's probably
+ * more like 0.5.
*
* Are there any other cases we should wire in special estimates for?
*/
return 0.5;
/*
- * Disbursion is either 0 (no data available) or -1 (disbursion
- * is 1/numtuples). Either way, we need the relation size.
+ * Disbursion is either 0 (no data available) or -1 (disbursion is
+ * 1/numtuples). Either way, we need the relation size.
*/
atp = SearchSysCacheTuple(RELOID,
return 1.0 / (double) ntuples;
/*
- * VACUUM ANALYZE has not been run for this table.
- * Produce an estimate = 1/numtuples. This may produce
- * unreasonably small estimates for large tables, so limit
- * the estimate to no less than min_estimate.
+ * VACUUM ANALYZE has not been run for this table. Produce an estimate
+ * = 1/numtuples. This may produce unreasonably small estimates for
+ * large tables, so limit the estimate to no less than min_estimate.
*/
disbursion = 1.0 / (double) ntuples;
if (disbursion < min_estimate)
if (HeapTupleIsValid(tp))
{
Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp);
+
return optup->oprcode;
}
else
if (HeapTupleIsValid(tp))
{
Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp);
+
return pstrdup(NameStr(optup->oprname));
}
else
if (HeapTupleIsValid(tp))
{
Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp);
+
return optup->oprcom;
}
else
if (HeapTupleIsValid(tp))
{
Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp);
+
return optup->oprnegate;
}
else
if (HeapTupleIsValid(tp))
{
Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp);
+
return optup->oprrest;
}
else
if (HeapTupleIsValid(tp))
{
Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp);
+
return optup->oprjoin;
}
else
if (HeapTupleIsValid(tp))
{
Form_pg_class reltup = (Form_pg_class) GETSTRUCT(tp);
+
return reltup->relnatts;
}
else
if (HeapTupleIsValid(tp))
{
Form_pg_class reltup = (Form_pg_class) GETSTRUCT(tp);
+
return pstrdup(NameStr(reltup->relname));
}
else
if (HeapTupleIsValid(tp))
{
Form_pg_type typtup = (Form_pg_type) GETSTRUCT(tp);
+
return typtup->typlen;
}
else
if (HeapTupleIsValid(tp))
{
Form_pg_type typtup = (Form_pg_type) GETSTRUCT(tp);
+
return (bool) typtup->typbyval;
}
else
if (HeapTupleIsValid(tp))
{
Form_pg_type typtup = (Form_pg_type) GETSTRUCT(tp);
+
return typtup->typalign;
}
else
type = (Form_pg_type) GETSTRUCT(typeTuple);
/*
- * First, see if there is a non-null typdefault field (usually there isn't)
+ * First, see if there is a non-null typdefault field (usually there
+ * isn't)
*/
typDefault = (struct varlena *) SysCacheGetAttr(TYPEOID,
typeTuple,
- Anum_pg_type_typdefault,
+ Anum_pg_type_typdefault,
&isNull);
if (isNull)
if (HeapTupleIsValid(tp))
{
Form_pg_type typtup = (Form_pg_type) GETSTRUCT(tp);
+
return typtup->typtype;
}
else
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/cache/relcache.c,v 1.94 2000/03/31 19:39:22 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/cache/relcache.c,v 1.95 2000/04/12 17:15:54 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* thus there are two hash tables for referencing them.
* ----------------
*/
-static HTAB *RelationNameCache;
-static HTAB *RelationIdCache;
+static HTAB *RelationNameCache;
+static HTAB *RelationIdCache;
/*
* newlyCreatedRelns -
static void RelationClearRelation(Relation relation, bool rebuildIt);
static void RelationFlushRelation(Relation *relationPtr,
- int skipLocalRelations);
+ int skipLocalRelations);
static Relation RelationNameCacheGetRelation(const char *relationName);
static void RelationCacheAbortWalker(Relation *relationPtr, int dummy);
static void init_irels(void);
static void write_irels(void);
static void formrdesc(char *relationName, u_int natts,
- FormData_pg_attribute *att);
+ FormData_pg_attribute *att);
static HeapTuple ScanPgRelation(RelationBuildDescInfo buildinfo);
static HeapTuple scan_pg_rel_seq(RelationBuildDescInfo buildinfo);
static HeapTuple scan_pg_rel_ind(RelationBuildDescInfo buildinfo);
static Relation AllocateRelationDesc(Relation relation, u_int natts,
- Form_pg_class relp);
+ Form_pg_class relp);
static void RelationBuildTupleDesc(RelationBuildDescInfo buildinfo,
Relation relation, u_int natts);
static void build_tupdesc_seq(RelationBuildDescInfo buildinfo,
static void build_tupdesc_ind(RelationBuildDescInfo buildinfo,
Relation relation, u_int natts);
static Relation RelationBuildDesc(RelationBuildDescInfo buildinfo,
- Relation oldrelation);
+ Relation oldrelation);
static void IndexedAccessMethodInitialize(Relation relation);
static void AttrDefaultFetch(Relation relation);
static void RelCheckFetch(Relation relation);
-static bool criticalRelcacheBuild = false;
+static bool criticalRelcacheBuild = false;
+
/* ----------------------------------------------------------------
* RelationIdGetRelation() and RelationNameGetRelation()
* support functions
default:
elog(ERROR, "ScanPgRelation: bad buildinfo");
- return_tuple = NULL; /* keep compiler quiet */
+ return_tuple = NULL;/* keep compiler quiet */
}
heap_close(pg_class_desc, AccessShareLock);
int need;
TupleConstr *constr = (TupleConstr *) palloc(sizeof(TupleConstr));
AttrDefault *attrdef = NULL;
- int ndef = 0;
+ int ndef = 0;
constr->has_not_null = false;
/* ----------------
if (attrdef == NULL)
{
attrdef = (AttrDefault *) palloc(relation->rd_rel->relnatts *
- sizeof(AttrDefault));
+ sizeof(AttrDefault));
MemSet(attrdef, 0,
relation->rd_rel->relnatts * sizeof(AttrDefault));
}
AttrDefault *attrdef = NULL;
int ndef = 0;
int i;
+
#ifdef _DROP_COLUMN_HACK__
- bool columnDropped;
-#endif /* _DROP_COLUMN_HACK__ */
+ bool columnDropped;
+
+#endif /* _DROP_COLUMN_HACK__ */
constr->has_not_null = false;
{
#ifdef _DROP_COLUMN_HACK__
columnDropped = false;
-#endif /* _DROP_COLUMN_HACK__ */
+#endif /* _DROP_COLUMN_HACK__ */
atttup = (HeapTuple) AttributeRelidNumIndexScan(attrel,
RelationGetRelid(relation), i);
#ifdef _DROP_COLUMN_HACK__
{
atttup = (HeapTuple) AttributeRelidNumIndexScan(attrel,
- RelationGetRelid(relation), DROPPED_COLUMN_INDEX(i));
+ RelationGetRelid(relation), DROPPED_COLUMN_INDEX(i));
if (!HeapTupleIsValid(atttup))
-#endif /* _DROP_COLUMN_HACK__ */
- elog(ERROR, "cannot find attribute %d of relation %s", i,
- RelationGetRelationName(relation));
+#endif /* _DROP_COLUMN_HACK__ */
+ elog(ERROR, "cannot find attribute %d of relation %s", i,
+ RelationGetRelationName(relation));
#ifdef _DROP_COLUMN_HACK__
columnDropped = true;
}
-#endif /* _DROP_COLUMN_HACK__ */
+#endif /* _DROP_COLUMN_HACK__ */
attp = (Form_pg_attribute) GETSTRUCT(atttup);
relation->rd_att->attrs[i - 1] =
#ifdef _DROP_COLUMN_HACK__
if (columnDropped)
continue;
-#endif /* _DROP_COLUMN_HACK__ */
+#endif /* _DROP_COLUMN_HACK__ */
/* Update if this attribute have a constraint */
if (attp->attnotnull)
constr->has_not_null = true;
static void
FreeRuleLock(RuleLock *rlock)
{
- int i;
+ int i;
if (rlock == NULL)
return;
static bool
equalRuleLocks(RuleLock *rlock1, RuleLock *rlock2)
{
- int i,
- j;
+ int i,
+ j;
if (rlock1 != NULL)
{
return false;
if (rule1->isInstead != rule2->isInstead)
return false;
- if (! equal(rule1->qual, rule2->qual))
+ if (!equal(rule1->qual, rule2->qual))
return false;
- if (! equal(rule1->actions, rule2->actions))
+ if (!equal(rule1->actions, rule2->actions))
return false;
}
}
* Form_pg_am rd_am; AM tuple
* Form_pg_class rd_rel; RELATION tuple
* Oid rd_id; relation's object id
- * LockInfoData rd_lockInfo; lock manager's info
+ * LockInfoData rd_lockInfo; lock manager's info
* TupleDesc rd_att; tuple descriptor
*
* Note: rd_ismem (rel is in-memory only) is currently unused
* ----------------
*/
buildinfo.infotype = INFO_RELNAME;
- buildinfo.i.info_name = (char *)relationName;
+ buildinfo.i.info_name = (char *) relationName;
rd = RelationBuildDesc(buildinfo, NULL);
return rd;
MemoryContext oldcxt;
/*
- * Make sure smgr and lower levels close the relation's files,
- * if they weren't closed already. We do this unconditionally;
- * if the relation is not deleted, the next smgr access should
- * reopen the files automatically. This ensures that the low-level
- * file access state is updated after, say, a vacuum truncation.
+ * Make sure smgr and lower levels close the relation's files, if they
+ * weren't closed already. We do this unconditionally; if the
+ * relation is not deleted, the next smgr access should reopen the
+ * files automatically. This ensures that the low-level file access
+ * state is updated after, say, a vacuum truncation.
*
* NOTE: this call is a no-op if the relation's smgr file is already
* closed or unlinked.
smgrclose(DEFAULT_SMGR, relation);
/*
- * Never, never ever blow away a nailed-in system relation,
- * because we'd be unable to recover.
+ * Never, never ever blow away a nailed-in system relation, because
+ * we'd be unable to recover.
*/
if (relation->rd_isnailed)
return;
oldcxt = MemoryContextSwitchTo((MemoryContext) CacheCxt);
- /* Remove relation from hash tables
+ /*
+ * Remove relation from hash tables
*
* Note: we might be reinserting it momentarily, but we must not have it
* visible in the hash tables until it's valid again, so don't try to
SystemCacheRelationFlushed(RelationGetRelid(relation));
/*
- * Free all the subsidiary data structures of the relcache entry.
- * We cannot free rd_att if we are trying to rebuild the entry,
- * however, because pointers to it may be cached in various places.
- * The trigger manager might also have pointers into the trigdesc,
- * and the rule manager might have pointers into the rewrite rules.
- * So to begin with, we can only get rid of these fields:
+ * Free all the subsidiary data structures of the relcache entry. We
+ * cannot free rd_att if we are trying to rebuild the entry, however,
+ * because pointers to it may be cached in various places. The trigger
+ * manager might also have pointers into the trigdesc, and the rule
+ * manager might have pointers into the rewrite rules. So to begin
+ * with, we can only get rid of these fields:
*/
if (relation->rd_am)
pfree(relation->rd_am);
pfree(relation->rd_support);
/*
- * If we're really done with the relcache entry, blow it away.
- * But if someone is still using it, reconstruct the whole deal
- * without moving the physical RelationData record (so that the
- * someone's pointer is still valid).
+ * If we're really done with the relcache entry, blow it away. But if
+ * someone is still using it, reconstruct the whole deal without
+ * moving the physical RelationData record (so that the someone's
+ * pointer is still valid).
*/
- if (! rebuildIt)
+ if (!rebuildIt)
{
/* ok to zap remaining substructure */
FreeTupleDesc(relation->rd_att);
}
else
{
+
/*
* When rebuilding an open relcache entry, must preserve ref count
* and myxactonly flag. Also attempt to preserve the tupledesc,
- * rewrite rules, and trigger substructures in place.
- * Furthermore we save/restore rd_nblocks (in case it is a local
- * relation) *and* call RelationGetNumberOfBlocks (in case it isn't).
+ * rewrite rules, and trigger substructures in place. Furthermore
+ * we save/restore rd_nblocks (in case it is a local relation)
+ * *and* call RelationGetNumberOfBlocks (in case it isn't).
*/
- uint16 old_refcnt = relation->rd_refcnt;
- bool old_myxactonly = relation->rd_myxactonly;
- TupleDesc old_att = relation->rd_att;
- RuleLock *old_rules = relation->rd_rules;
- TriggerDesc *old_trigdesc = relation->trigdesc;
- int old_nblocks = relation->rd_nblocks;
- bool relDescChanged = false;
+ uint16 old_refcnt = relation->rd_refcnt;
+ bool old_myxactonly = relation->rd_myxactonly;
+ TupleDesc old_att = relation->rd_att;
+ RuleLock *old_rules = relation->rd_rules;
+ TriggerDesc *old_trigdesc = relation->trigdesc;
+ int old_nblocks = relation->rd_nblocks;
+ bool relDescChanged = false;
RelationBuildDescInfo buildinfo;
buildinfo.infotype = INFO_RELID;
relDescChanged = true;
}
relation->rd_nblocks = old_nblocks;
- /* this is kind of expensive, but I think we must do it in case
+
+ /*
+ * this is kind of expensive, but I think we must do it in case
* relation has been truncated...
*/
relation->rd_nblocks = RelationGetNumberOfBlocks(relation);
- if (relDescChanged && ! RelationHasReferenceCountZero(relation))
+ if (relDescChanged && !RelationHasReferenceCountZero(relation))
elog(ERROR, "RelationClearRelation: relation %u modified while in use",
buildinfo.i.info_id);
}
{
if (skipLocalRelations)
return; /* don't touch local rels if so commanded */
+
/*
* Local rels should always be rebuilt, not flushed; the relcache
* entry must live until RelationPurgeLocalRelation().
}
else
{
+
/*
* Nonlocal rels can be dropped from the relcache if not open.
*/
- rebuildIt = ! RelationHasReferenceCountZero(relation);
+ rebuildIt = !RelationHasReferenceCountZero(relation);
}
RelationClearRelation(relation, rebuildIt);
void
RelationIdInvalidateRelationCacheByAccessMethodId(Oid accessMethodId)
{
+
/*
* 25 aug 1992: mao commented out the ht walk below. it should be
* doing the right thing, in theory, but flushing reldescs for index
* so i'm turning it off for now. after the release is cut, i'll fix
* this up.
*
- * 20 nov 1999: this code has still never done anything, so I'm
- * cutting the routine out of the system entirely. tgl
+ * 20 nov 1999: this code has still never done anything, so I'm cutting
+ * the routine out of the system entirely. tgl
*/
HashTableWalk(RelationNameCache, (HashtFunc) RelationFlushIndexes,
accessMethodId);
}
+
#endif
/*
Assert(reln != NULL && reln->rd_myxactonly);
- reln->rd_myxactonly = false; /* mark it not on list anymore */
+ reln->rd_myxactonly = false; /* mark it not on list anymore */
newlyCreatedRelns = lnext(newlyCreatedRelns);
pfree(l);
HeapTupleData tuple;
HeapTuple htup;
Form_pg_attrdef adform;
- IndexScanDesc sd = (IndexScanDesc) NULL;
- HeapScanDesc adscan = (HeapScanDesc) NULL;
+ IndexScanDesc sd = (IndexScanDesc) NULL;
+ HeapScanDesc adscan = (HeapScanDesc) NULL;
RetrieveIndexResult indexRes;
struct varlena *val;
bool isnull;
sd = index_beginscan(irel, false, 1, &skey);
}
else
- adscan = heap_beginscan(adrel, false, SnapshotNow, 1, &skey);
+ adscan = heap_beginscan(adrel, false, SnapshotNow, 1, &skey);
tuple.t_datamcxt = NULL;
tuple.t_data = NULL;
continue;
if (attrdef[i].adbin != NULL)
elog(NOTICE, "AttrDefaultFetch: second record found for attr %s in rel %s",
- NameStr(relation->rd_att->attrs[adform->adnum - 1]->attname),
+ NameStr(relation->rd_att->attrs[adform->adnum - 1]->attname),
RelationGetRelationName(relation));
val = (struct varlena *) fastgetattr(htup,
adrel->rd_att, &isnull);
if (isnull)
elog(NOTICE, "AttrDefaultFetch: adbin IS NULL for attr %s in rel %s",
- NameStr(relation->rd_att->attrs[adform->adnum - 1]->attname),
+ NameStr(relation->rd_att->attrs[adform->adnum - 1]->attname),
RelationGetRelationName(relation));
attrdef[i].adbin = textout(val);
break;
ConstrCheck *check = relation->rd_att->constr->check;
int ncheck = relation->rd_att->constr->num_check;
Relation rcrel;
- Relation irel = (Relation)NULL;
+ Relation irel = (Relation) NULL;
ScanKeyData skey;
HeapTupleData tuple;
HeapTuple htup;
- IndexScanDesc sd = (IndexScanDesc)NULL;
- HeapScanDesc rcscan = (HeapScanDesc)NULL;
+ IndexScanDesc sd = (IndexScanDesc) NULL;
+ HeapScanDesc rcscan = (HeapScanDesc) NULL;
RetrieveIndexResult indexRes;
Name rcname;
struct varlena *val;
char finalfilename[MAXPGPATH];
/*
- * We must write a temporary file and rename it into place. Otherwise,
- * another backend starting at about the same time might crash trying to
- * read the partially-complete file.
+ * We must write a temporary file and rename it into place. Otherwise,
+ * another backend starting at about the same time might crash trying
+ * to read the partially-complete file.
*/
snprintf(tempfilename, sizeof(tempfilename), "%s%c%s.%d",
DatabasePath, SEP_CHAR, RELCACHE_INIT_FILENAME, MyProcPid);
/*
* Build relation descriptors for the critical system indexes without
- * resort to the descriptor cache. In order to do this, we set
- * ProcessingMode to Bootstrap. The effect of this is to disable indexed
- * relation searches -- a necessary step, since we're trying to
- * instantiate the index relation descriptors here. Once we have the
- * descriptors, nail them into cache so we never lose them.
+ * resort to the descriptor cache. In order to do this, we set
+ * ProcessingMode to Bootstrap. The effect of this is to disable
+ * indexed relation searches -- a necessary step, since we're trying
+ * to instantiate the index relation descriptors here. Once we have
+ * the descriptors, nail them into cache so we never lose them.
*/
- /* Removed the following ProcessingMode change -- inoue
- * At this point
- * 1) Catalog Cache isn't initialized
- * 2) Relation Cache for the following critical indexes aren't built
- oldmode = GetProcessingMode();
- SetProcessingMode(BootstrapProcessing);
+ /*
+ * Removed the following ProcessingMode change -- inoue At this point
+ * 1) Catalog Cache isn't initialized 2) Relation Cache for the
+ * following critical indexes aren't built oldmode =
+ * GetProcessingMode(); SetProcessingMode(BootstrapProcessing);
*/
bi.infotype = INFO_RELNAME;
irel[2]->rd_isnailed = true;
criticalRelcacheBuild = true;
- /* Removed the following ProcessingMode -- inoue
- SetProcessingMode(oldmode);
+
+ /*
+ * Removed the following ProcessingMode -- inoue
+ * SetProcessingMode(oldmode);
*/
/*
FileClose(fd);
- /*
- * And rename the temp file to its final name, deleting any previously-
- * existing init file.
- */
- rename(tempfilename, finalfilename);
+ /*
+ * And rename the temp file to its final name, deleting any
+ * previously- existing init file.
+ */
+ rename(tempfilename, finalfilename);
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/cache/syscache.c,v 1.49 2000/02/18 09:28:56 inoue Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/cache/syscache.c,v 1.50 2000/04/12 17:15:54 momjian Exp $
*
* NOTES
* These routines allow the parser/planner/executor to perform
the list sorted alphabetically and adjust the cache numbers
accordingly.
- Add your entry to the cacheinfo[] array below. All cache lists are
+ Add your entry to the cacheinfo[] array below. All cache lists are
alphabetical, so add it in the proper place. Specify the relation
- name, number of arguments, argument names, size of tuple, index lookup
+ name, number of arguments, argument names, size of tuple, index lookup
function, and index name.
- In include/catalog/indexing.h, add a define for the number of indexes
- in the relation, add a define for the index name, add an extern
- array to hold the index names, define the index lookup function
- prototype, and use DECLARE_UNIQUE_INDEX to define the index. Cache
- lookups return only one row, so the index should be unique.
+ In include/catalog/indexing.h, add a define for the number of indexes
+ in the relation, add a define for the index name, add an extern
+ array to hold the index names, define the index lookup function
+ prototype, and use DECLARE_UNIQUE_INDEX to define the index. Cache
+ lookups return only one row, so the index should be unique.
- In backend/catalog/indexing.c, initialize the relation array with
- the index names for the relation, fixed size of relation (or marking
- first non-fixed length field), and create the index lookup function.
- Pick one that takes similar arguments and use that one, but keep the
- function names in the same order as the cache list for clarity.
+ In backend/catalog/indexing.c, initialize the relation array with
+ the index names for the relation, fixed size of relation (or marking
+ first non-fixed length field), and create the index lookup function.
+ Pick one that takes similar arguments and use that one, but keep the
+ function names in the same order as the cache list for clarity.
- Finally, any place your relation gets heap_insert() or
+ Finally, any place your relation gets heap_insert() or
heap_update calls, include code to do a CatalogIndexInsert() to update
the system indexes. The heap_* calls do not update indexes.
- bjm 1999/11/22
+ bjm 1999/11/22
---------------------------------------------------------------------------
*/
TypeOidIndexScan}
};
-static struct catcache *SysCache[lengthof(cacheinfo)];
+static struct catcache *SysCache[
+ lengthof(cacheinfo)];
static int32 SysCacheSize = lengthof(cacheinfo);
-static bool CacheInitialized = false;
-extern bool IsCacheInitialized(void)
+static bool CacheInitialized = false;
+extern bool
+IsCacheInitialized(void)
{
return CacheInitialized;
}
/* temp table name remapping */
if (cacheId == RELNAME)
{
- char *nontemp_relname;
+ char *nontemp_relname;
if ((nontemp_relname =
get_temp_rel_by_username(DatumGetPointer(key1))) != NULL)
* SearchSysCacheTupleCopy(), extract a specific attribute.
*
* This is equivalent to using heap_getattr() on a tuple fetched
- * from a non-cached relation. Usually, this is only used for attributes
+ * from a non-cached relation. Usually, this is only used for attributes
* that could be NULL or variable length; the fixed-size attributes in
* a system table are accessed just by mapping the tuple onto the C struct
* declarations from include/catalog/.
AttrNumber attributeNumber,
bool *isnull)
{
+
/*
- * We just need to get the TupleDesc out of the cache entry,
- * and then we can apply heap_getattr(). We expect that the cache
- * control data is currently valid --- if the caller just fetched
- * the tuple, then it should be.
+ * We just need to get the TupleDesc out of the cache entry, and then
+ * we can apply heap_getattr(). We expect that the cache control data
+ * is currently valid --- if the caller just fetched the tuple, then
+ * it should be.
*/
if (cacheId < 0 || cacheId >= SysCacheSize)
elog(ERROR, "SysCacheGetAttr: Bad cache id %d", cacheId);
- if (! PointerIsValid(SysCache[cacheId]) ||
+ if (!PointerIsValid(SysCache[cacheId]) ||
SysCache[cacheId]->relationId == InvalidOid ||
- ! PointerIsValid(SysCache[cacheId]->cc_tupdesc))
+ !PointerIsValid(SysCache[cacheId]->cc_tupdesc))
elog(ERROR, "SysCacheGetAttr: missing cache data for id %d", cacheId);
return heap_getattr(tup, attributeNumber,
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/cache/Attic/temprel.c,v 1.20 2000/01/26 05:57:18 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/cache/Attic/temprel.c,v 1.21 2000/04/12 17:15:54 momjian Exp $
*
*-------------------------------------------------------------------------
*/
/* save user-supplied name */
strcpy(temp_rel->user_relname, relname);
StrNCpy(temp_rel->relname, NameStr(((Form_pg_class)
- GETSTRUCT(pg_class_tuple))->relname), NAMEDATALEN);
+ GETSTRUCT(pg_class_tuple))->relname), NAMEDATALEN);
temp_rel->relid = pg_class_tuple->t_data->t_oid;
temp_rel->relkind = ((Form_pg_class) GETSTRUCT(pg_class_tuple))->relkind;
temp_rel->xid = GetCurrentTransactionId();
if (temp_rel->relkind != RELKIND_INDEX)
{
- char relname[NAMEDATALEN];
+ char relname[NAMEDATALEN];
/* safe from deallocation */
strcpy(relname, temp_rel->user_relname);
MemoryContext oldcxt;
List *l,
*prev;
-
+
oldcxt = MemoryContextSwitchTo((MemoryContext) CacheCxt);
prev = NIL;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/error/elog.c,v 1.55 2000/02/13 18:59:50 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/error/elog.c,v 1.56 2000/04/12 17:15:55 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern int errno;
extern int sys_nerr;
-extern CommandDest whereToSendOutput;
+extern CommandDest whereToSendOutput;
#ifdef USE_SYSLOG
/*
*--------------------
*/
void
-elog(int lev, const char *fmt, ...)
+elog(int lev, const char *fmt,...)
{
va_list ap;
+
/*
* The expanded format and final output message are dynamically
* allocated if necessary, but not if they fit in the "reasonable
char msg_fixedbuf[256];
char *fmt_buf = fmt_fixedbuf;
char *msg_buf = msg_fixedbuf;
+
/* this buffer is only used if errno has a bogus value: */
char errorstr_buf[32];
const char *errorstr;
char *bp;
int indent = 0;
int space_needed;
+
#ifdef USE_SYSLOG
int log_level;
+
#endif
int len;
}
/*
- * Set up the expanded format, consisting of the prefix string
- * plus input format, with any %m replaced by strerror() string
- * (since vsnprintf won't know what to do with %m). To keep
- * space calculation simple, we only allow one %m.
+ * Set up the expanded format, consisting of the prefix string plus
+ * input format, with any %m replaced by strerror() string (since
+ * vsnprintf won't know what to do with %m). To keep space
+ * calculation simple, we only allow one %m.
*/
space_needed = TIMESTAMP_SIZE + strlen(prefix) + indent + (lineno ? 24 : 0)
+ strlen(fmt) + strlen(errorstr) + 1;
/* We're up against it, convert to fatal out-of-memory error */
fmt_buf = fmt_fixedbuf;
lev = REALLYFATAL;
- fmt = "elog: out of memory"; /* this must fit in fmt_fixedbuf! */
+ fmt = "elog: out of memory"; /* this must fit in
+ * fmt_fixedbuf! */
}
}
#ifdef ELOG_TIMESTAMPS
*bp++ = ' ';
/* If error was in CopyFrom() print the offending line number -- dz */
- if (lineno) {
- sprintf(bp, "copy: line %d, ", lineno);
- bp = fmt_buf + strlen(fmt_buf);
- lineno = 0;
+ if (lineno)
+ {
+ sprintf(bp, "copy: line %d, ", lineno);
+ bp = fmt_buf + strlen(fmt_buf);
+ lineno = 0;
}
for (cp = fmt; *cp; cp++)
{
if (cp[1] == 'm')
{
- /* XXX If there are any %'s in errorstr then vsnprintf
- * will do the Wrong Thing; do we need to cope?
- * Seems unlikely that % would appear in system errors.
+
+ /*
+ * XXX If there are any %'s in errorstr then vsnprintf
+ * will do the Wrong Thing; do we need to cope? Seems
+ * unlikely that % would appear in system errors.
*/
strcpy(bp, errorstr);
- /* copy the rest of fmt literally, since we can't
- * afford to insert another %m.
+
+ /*
+ * copy the rest of fmt literally, since we can't afford
+ * to insert another %m.
*/
- strcat(bp, cp+2);
+ strcat(bp, cp + 2);
bp += strlen(bp);
break;
}
*bp = '\0';
/*
- * Now generate the actual output text using vsnprintf().
- * Be sure to leave space for \n added later as well as trailing null.
+ * Now generate the actual output text using vsnprintf(). Be sure to
+ * leave space for \n added later as well as trailing null.
*/
space_needed = sizeof(msg_fixedbuf);
for (;;)
{
- int nprinted;
+ int nprinted;
va_start(ap, fmt);
nprinted = vsnprintf(msg_buf, space_needed - 2, fmt_buf, ap);
va_end(ap);
+
/*
* Note: some versions of vsnprintf return the number of chars
- * actually stored, but at least one returns -1 on failure.
- * Be conservative about believing whether the print worked.
+ * actually stored, but at least one returns -1 on failure. Be
+ * conservative about believing whether the print worked.
*/
if (nprinted >= 0 && nprinted < space_needed - 3)
break;
if (msg_buf == NULL)
{
/* We're up against it, convert to fatal out-of-memory error */
- msg_buf = msg_fixedbuf;
- lev = REALLYFATAL;
+ msg_buf = msg_fixedbuf;
+ lev = REALLYFATAL;
#ifdef ELOG_TIMESTAMPS
strcpy(msg_buf, tprintf_timestamp());
strcat(msg_buf, "FATAL: elog: out of memory");
* then writing here can cause this backend to exit without warning
* that is, write() does an exit(). In this case, our only hope of
* finding out what's going on is if Err_file was set to some disk
- * log. This is a major pain. (It's probably also long-dead code...
+ * log. This is a major pain. (It's probably also long-dead code...
* does anyone still use ultrix?)
*/
if (lev > DEBUG && Err_file >= 0 &&
msgtype = 'N';
else
{
+
/*
* Abort any COPY OUT in progress when an error is detected.
* This hack is necessary because of poor design of copy
if (lev > DEBUG && whereToSendOutput != Remote)
{
- /* We are running as an interactive backend, so just send
- * the message to stderr.
+
+ /*
+ * We are running as an interactive backend, so just send the
+ * message to stderr.
*/
fputs(msg_buf, stderr);
}
*/
if (lev == ERROR || lev == FATAL)
{
+
/*
* If we have not yet entered the main backend loop (ie, we are in
* the postmaster or in backend startup), then go directly to
* proc_exit. The same is true if anyone tries to report an error
- * after proc_exit has begun to run. (It's proc_exit's responsibility
- * to see that this doesn't turn into infinite recursion!) But in
- * the latter case, we exit with nonzero exit code to indicate that
- * something's pretty wrong.
+ * after proc_exit has begun to run. (It's proc_exit's
+ * responsibility to see that this doesn't turn into infinite
+ * recursion!) But in the latter case, we exit with nonzero exit
+ * code to indicate that something's pretty wrong.
*/
- if (proc_exit_inprogress || ! Warn_restart_ready)
+ if (proc_exit_inprogress || !Warn_restart_ready)
{
fflush(stdout);
fflush(stderr);
- ProcReleaseSpins(NULL); /* get rid of spinlocks we hold */
- ProcReleaseLocks(); /* get rid of real locks we hold */
+ ProcReleaseSpins(NULL); /* get rid of spinlocks we hold */
+ ProcReleaseLocks(); /* get rid of real locks we hold */
/* XXX shouldn't proc_exit be doing the above?? */
proc_exit((int) proc_exit_inprogress);
}
+
/*
* Guard against infinite loop from elog() during error recovery.
*/
if (InError)
elog(REALLYFATAL, "elog: error during error recovery, giving up!");
InError = true;
+
/*
- * Otherwise we can return to the main loop in postgres.c.
- * In the FATAL case, postgres.c will call proc_exit, but not
- * till after completing a standard transaction-abort sequence.
+ * Otherwise we can return to the main loop in postgres.c. In the
+ * FATAL case, postgres.c will call proc_exit, but not till after
+ * completing a standard transaction-abort sequence.
*/
ProcReleaseSpins(NULL); /* get rid of spinlocks we hold */
if (lev == FATAL)
if (lev > FATAL)
{
+
/*
- * Serious crash time. Postmaster will observe nonzero
- * process exit status and kill the other backends too.
+ * Serious crash time. Postmaster will observe nonzero process
+ * exit status and kill the other backends too.
*
- * XXX: what if we are *in* the postmaster? proc_exit()
- * won't kill our children...
+ * XXX: what if we are *in* the postmaster? proc_exit() won't kill
+ * our children...
*/
fflush(stdout);
fflush(stderr);
proc_exit(lev);
}
- /* We reach here if lev <= NOTICE. OK to return to caller. */
+ /* We reach here if lev <= NOTICE. OK to return to caller. */
}
#ifndef PG_STANDALONE
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/fmgr/dfmgr.c,v 1.38 2000/01/26 05:57:22 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/fmgr/dfmgr.c,v 1.39 2000/04/12 17:15:57 momjian Exp $
*
*-------------------------------------------------------------------------
*/
/*
* The procedure isn't a builtin, so we'll have to do a catalog lookup
- * to find its pg_proc entry. Moreover, since probin is varlena, we're
- * going to have to use heap_getattr, which means we need the reldesc,
- * which means we need to open the relation. So we might as well do that
- * first and get the benefit of SI inval if needed.
+ * to find its pg_proc entry. Moreover, since probin is varlena,
+ * we're going to have to use heap_getattr, which means we need the
+ * reldesc, which means we need to open the relation. So we might as
+ * well do that first and get the benefit of SI inval if needed.
*/
rel = heap_openr(ProcedureRelationName, AccessShareLock);
user_fn = handle_load(probinstring, linksymbol);
pfree(probinstring);
- if (prosrcstring) pfree(prosrcstring);
+ if (prosrcstring)
+ pfree(prosrcstring);
procedureId_save = procedureId;
user_fn_save = user_fn;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/hash/dynahash.c,v 1.30 2000/03/17 02:36:28 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/hash/dynahash.c,v 1.31 2000/04/12 17:16:00 momjian Exp $
*
*-------------------------------------------------------------------------
*/
long *
hash_seq(HTAB *hashp)
{
- static long curBucket = 0;
+ static long curBucket = 0;
static BUCKET_INDEX curIndex;
ELEMENT *curElem;
long segment_num;
/*
* *Before* changing masks, find old bucket corresponding to same hash
- * values; values in that bucket may need to be relocated to new bucket.
- * Note that new_bucket is certainly larger than low_mask at this point,
- * so we can skip the first step of the regular hash mask calc.
+ * values; values in that bucket may need to be relocated to new
+ * bucket. Note that new_bucket is certainly larger than low_mask at
+ * this point, so we can skip the first step of the regular hash mask
+ * calc.
*/
old_bucket = (new_bucket & hctl->low_mask);
}
/*
- * Relocate records to the new bucket. NOTE: because of the way the
+ * Relocate records to the new bucket. NOTE: because of the way the
* hash masking is done in call_hash, only one old bucket can need to
- * be split at this point. With a different way of reducing the hash
+ * be split at this point. With a different way of reducing the hash
* value, that might not be true!
*/
old_segnum = old_bucket >> hctl->sshift;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/init/globals.c,v 1.41 2000/02/16 17:25:49 thomas Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/init/globals.c,v 1.42 2000/04/12 17:16:02 momjian Exp $
*
* NOTES
* Globals used all over the place should be declared here and not
* ps status buffer
*/
#ifndef linux
-char Ps_status_buffer[1024];
+char Ps_status_buffer[1024];
+
#endif
/* ----------------
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/init/miscinit.c,v 1.44 2000/02/18 09:28:58 inoue Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/init/miscinit.c,v 1.45 2000/04/12 17:16:02 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifdef CYR_RECODE
unsigned char RecodeForwTable[128];
unsigned char RecodeBackTable[128];
+
#endif
ProcessingMode Mode = InitProcessing;
* ----------------------------------------------------------------
*/
-static bool isIgnoringSystemIndexes = false;
+static bool isIgnoringSystemIndexes = false;
/*
* IsIgnoringSystemIndexes
void
SetDatabasePath(const char *path)
{
- free(DatabasePath);
+ free(DatabasePath);
/* use strdup since this is done before memory contexts are set up */
- if (path)
- {
- DatabasePath = strdup(path);
- AssertState(DatabasePath);
- }
+ if (path)
+ {
+ DatabasePath = strdup(path);
+ AssertState(DatabasePath);
+ }
}
void
SetDatabaseName(const char *name)
{
- free(DatabaseName);
- if (name)
- {
- DatabaseName = strdup(name);
- AssertState(DatabaseName);
- }
+ free(DatabaseName);
+ if (name)
+ {
+ DatabaseName = strdup(name);
+ AssertState(DatabaseName);
+ }
}
#ifndef MULTIBYTE
return ("");
}
-const char *pg_encoding_to_char(int encoding)
+const char *
+pg_encoding_to_char(int encoding)
{
elog(ERROR, "MultiByte support must be enabled to use this function");
return ("");
}
-int pg_char_to_encoding(const char *encoding_string)
+int
+pg_char_to_encoding(const char *encoding_string)
{
elog(ERROR, "MultiByte support must be enabled to use this function");
return (0);
HeapTuple userTup;
char *userName;
- AssertState(!OidIsValid(UserId));/* only once */
+ AssertState(!OidIsValid(UserId)); /* only once */
/*
* Don't do scans if we're bootstrapping, none of the system catalogs
*
* (1) postmaster starts. In this case pid > 0.
* (2) postgres starts in standalone mode. In this case
- * pid < 0
+ * pid < 0
*
* to gain an interlock.
- *
+ *
* SetPidFname(datadir)
* Remember the the pid file name. This is neccesary
* UnlinkPidFile() is called from proc_exit().
/*
* Remove the pid file. This function is called from proc_exit.
*/
-void UnlinkPidFile(void)
+void
+UnlinkPidFile(void)
{
unlink(PidFile);
}
/*
* Set path to the pid file
*/
-void SetPidFname(char * datadir)
+void
+SetPidFname(char *datadir)
{
snprintf(PidFile, sizeof(PidFile), "%s/%s", datadir, PIDFNAME);
}
/*
* Get path to the pid file
*/
-char *GetPidFname(void)
+char *
+GetPidFname(void)
{
- return(PidFile);
+ return (PidFile);
}
/*
* Create the pid file
*/
-int SetPidFile(pid_t pid)
+int
+SetPidFile(pid_t pid)
{
- int fd;
- char *pidfile;
- char pidstr[32];
- int len;
- pid_t post_pid;
- int is_postgres = 0;
+ int fd;
+ char *pidfile;
+ char pidstr[32];
+ int len;
+ pid_t post_pid;
+ int is_postgres = 0;
/*
* Creating pid file
*/
pidfile = GetPidFname();
fd = open(pidfile, O_RDWR | O_CREAT | O_EXCL, 0600);
- if (fd < 0) {
+ if (fd < 0)
+ {
+
/*
- * Couldn't create the pid file. Probably
- * it already exists. Read the file to see if the process
- * actually exists
+ * Couldn't create the pid file. Probably it already exists. Read
+ * the file to see if the process actually exists
*/
fd = open(pidfile, O_RDONLY, 0600);
- if (fd < 0) {
+ if (fd < 0)
+ {
fprintf(stderr, "Can't open pid file: %s\n", pidfile);
fprintf(stderr, "Please check the permission and try again.\n");
- return(-1);
+ return (-1);
}
- if ((len = read(fd, pidstr, sizeof(pidstr)-1)) < 0) {
+ if ((len = read(fd, pidstr, sizeof(pidstr) - 1)) < 0)
+ {
fprintf(stderr, "Can't read pid file: %s\n", pidfile);
fprintf(stderr, "Please check the permission and try again.\n");
close(fd);
- return(-1);
+ return (-1);
}
close(fd);
* Check to see if the process actually exists
*/
pidstr[len] = '\0';
- post_pid = (pid_t)atoi(pidstr);
+ post_pid = (pid_t) atoi(pidstr);
/* if pid < 0, the pid is for postgres, not postmatser */
- if (post_pid < 0) {
+ if (post_pid < 0)
+ {
is_postgres++;
post_pid = -post_pid;
}
- if (post_pid == 0 || (post_pid > 0 && kill(post_pid, 0) < 0)) {
+ if (post_pid == 0 || (post_pid > 0 && kill(post_pid, 0) < 0))
+ {
+
/*
- * No, the process did not exist. Unlink
- * the file and try to create it
+ * No, the process did not exist. Unlink the file and try to
+ * create it
*/
- if (unlink(pidfile) < 0) {
+ if (unlink(pidfile) < 0)
+ {
fprintf(stderr, "Can't remove pid file: %s\n", pidfile);
fprintf(stderr, "The file seems accidently left, but I couldn't remove it.\n");
fprintf(stderr, "Please remove the file by hand and try again.\n");
- return(-1);
+ return (-1);
}
fd = open(pidfile, O_RDWR | O_CREAT | O_EXCL, 0600);
- if (fd < 0) {
+ if (fd < 0)
+ {
fprintf(stderr, "Can't create pid file: %s\n", pidfile);
fprintf(stderr, "Please check the permission and try again.\n");
- return(-1);
+ return (-1);
}
- } else {
+ }
+ else
+ {
+
/*
* Another postmaster is running
*/
fprintf(stderr, "Can't create pid file: %s\n", pidfile);
- if (is_postgres) {
- fprintf(stderr, "Is another postgres (pid: %d) running?\n", post_pid);
- }
+ if (is_postgres)
+ fprintf(stderr, "Is another postgres (pid: %d) running?\n", post_pid);
else
- {
- fprintf(stderr, "Is another postmaster (pid: %s) running?\n", pidstr);
- }
- return(-1);
+ fprintf(stderr, "Is another postmaster (pid: %s) running?\n", pidstr);
+ return (-1);
}
}
sprintf(pidstr, "%d", pid);
- if (write(fd, pidstr, strlen(pidstr)) != strlen(pidstr)) {
- fprintf(stderr,"Write to pid file failed\n");
+ if (write(fd, pidstr, strlen(pidstr)) != strlen(pidstr))
+ {
+ fprintf(stderr, "Write to pid file failed\n");
fprintf(stderr, "Please check the permission and try again.\n");
close(fd);
unlink(pidfile);
- return(-1);
+ return (-1);
}
close(fd);
- return(0);
+ return (0);
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/init/postinit.c,v 1.56 2000/01/26 05:57:26 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/init/postinit.c,v 1.57 2000/04/12 17:16:02 momjian Exp $
*
*
*-------------------------------------------------------------------------
{
Relation pgdbrel;
HeapScanDesc pgdbscan;
- ScanKeyData key;
+ ScanKeyData key;
HeapTuple tup;
/*
- * Because we grab AccessShareLock here, we can be sure that
- * destroydb is not running in parallel with us (any more).
+ * Because we grab AccessShareLock here, we can be sure that destroydb
+ * is not running in parallel with us (any more).
*/
pgdbrel = heap_openr(DatabaseRelationName, AccessShareLock);
{
/* OOPS */
heap_close(pgdbrel, AccessShareLock);
+
/*
* The only real problem I could have created is to load dirty
- * buffers for the dead database into shared buffer cache;
- * if I did, some other backend will eventually try to write
- * them and die in mdblindwrt. Flush any such pages to forestall
- * trouble.
+ * buffers for the dead database into shared buffer cache; if I
+ * did, some other backend will eventually try to write them and
+ * die in mdblindwrt. Flush any such pages to forestall trouble.
*/
DropBuffers(MyDatabaseId);
/* Now I can commit hara-kiri with a clear conscience... */
/*
* OK, we're golden. Only other to-do item is to save the MULTIBYTE
- * encoding info out of the pg_database tuple. Note we also set the
- * "template encoding", which is the default encoding for any
- * CREATE DATABASE commands executed in this backend; essentially,
- * you get the same encoding of the database you connected to as
- * the default. (This replaces code that unreliably grabbed
- * template1's encoding out of pg_database. We could do an extra
- * scan to find template1's tuple, but for 99.99% of all backend
- * startups it'd be wasted cycles --- and the 'createdb' script
- * connects to template1 anyway, so there's no difference.)
+ * encoding info out of the pg_database tuple. Note we also set the
+ * "template encoding", which is the default encoding for any CREATE
+ * DATABASE commands executed in this backend; essentially, you get
+ * the same encoding of the database you connected to as the default.
+ * (This replaces code that unreliably grabbed template1's encoding
+ * out of pg_database. We could do an extra scan to find template1's
+ * tuple, but for 99.99% of all backend startups it'd be wasted cycles
+ * --- and the 'createdb' script connects to template1 anyway, so
+ * there's no difference.)
*/
#ifdef MULTIBYTE
SetDatabaseEncoding(((Form_pg_database) GETSTRUCT(tup))->encoding);
on_shmem_exit(FlushBufferPool, (caddr_t) NULL);
#endif
- SetDatabaseName(dbname);
+ SetDatabaseName(dbname);
/* ----------------
* initialize the database id used for system caches and lock tables
* ----------------
}
else
{
- char *reason;
- char *fullpath,
- datpath[MAXPGPATH];
-
- /* Verify if DataDir is ok */
- if (access(DataDir, F_OK) == -1)
- elog(FATAL, "Database system not found. Data directory '%s' does not exist.",
- DataDir);
-
- ValidatePgVersion(DataDir, &reason);
- if (reason != NULL)
- elog(FATAL, reason);
-
- /*-----------------
- * Find oid and path of the database we're about to open. Since we're
- * not yet up and running we have to use the hackish GetRawDatabaseInfo.
- *
- * OLD COMMENTS:
- * The database's oid forms half of the unique key for the system
- * caches and lock tables. We therefore want it initialized before
- * we open any relations, since opening relations puts things in the
- * cache. To get around this problem, this code opens and scans the
- * pg_database relation by hand.
- */
-
- GetRawDatabaseInfo(dbname, &MyDatabaseId, datpath);
-
- if (!OidIsValid(MyDatabaseId))
- elog(FATAL,
- "Database \"%s\" does not exist in the system catalog.",
- dbname);
-
- fullpath = ExpandDatabasePath(datpath);
- if (!fullpath)
- elog(FATAL, "Database path could not be resolved.");
-
- /* Verify the database path */
-
- if (access(fullpath, F_OK) == -1)
- elog(FATAL, "Database \"%s\" does not exist. The data directory '%s' is missing.",
- dbname, fullpath);
-
- ValidatePgVersion(fullpath, &reason);
- if (reason != NULL)
- elog(FATAL, "%s", reason);
-
- if(chdir(fullpath) == -1)
- elog(FATAL, "Unable to change directory to '%s': %s", fullpath, strerror(errno));
-
- SetDatabasePath(fullpath);
+ char *reason;
+ char *fullpath,
+ datpath[MAXPGPATH];
+
+ /* Verify if DataDir is ok */
+ if (access(DataDir, F_OK) == -1)
+ elog(FATAL, "Database system not found. Data directory '%s' does not exist.",
+ DataDir);
+
+ ValidatePgVersion(DataDir, &reason);
+ if (reason != NULL)
+ elog(FATAL, reason);
+
+ /*-----------------
+ * Find oid and path of the database we're about to open. Since we're
+ * not yet up and running we have to use the hackish GetRawDatabaseInfo.
+ *
+ * OLD COMMENTS:
+ * The database's oid forms half of the unique key for the system
+ * caches and lock tables. We therefore want it initialized before
+ * we open any relations, since opening relations puts things in the
+ * cache. To get around this problem, this code opens and scans the
+ * pg_database relation by hand.
+ */
+
+ GetRawDatabaseInfo(dbname, &MyDatabaseId, datpath);
+
+ if (!OidIsValid(MyDatabaseId))
+ elog(FATAL,
+ "Database \"%s\" does not exist in the system catalog.",
+ dbname);
+
+ fullpath = ExpandDatabasePath(datpath);
+ if (!fullpath)
+ elog(FATAL, "Database path could not be resolved.");
+
+ /* Verify the database path */
+
+ if (access(fullpath, F_OK) == -1)
+ elog(FATAL, "Database \"%s\" does not exist. The data directory '%s' is missing.",
+ dbname, fullpath);
+
+ ValidatePgVersion(fullpath, &reason);
+ if (reason != NULL)
+ elog(FATAL, "%s", reason);
+
+ if (chdir(fullpath) == -1)
+ elog(FATAL, "Unable to change directory to '%s': %s", fullpath, strerror(errno));
+
+ SetDatabasePath(fullpath);
}
/*
*/
/*
- * Initialize the transaction system and the relation descriptor cache.
- * Note we have to make certain the lock manager is off while we do this.
+ * Initialize the transaction system and the relation descriptor
+ * cache. Note we have to make certain the lock manager is off while
+ * we do this.
*/
AmiTransactionOverride(IsBootstrapProcessingMode());
LockDisable(true);
InitProcess(PostgresIpcKey);
/*
- * Initialize my entry in the shared-invalidation manager's
- * array of per-backend data. (Formerly this came before
- * InitProcess, but now it must happen after, because it uses
- * MyProc.) Once I have done this, I am visible to other backends!
+ * Initialize my entry in the shared-invalidation manager's array of
+ * per-backend data. (Formerly this came before InitProcess, but now
+ * it must happen after, because it uses MyProc.) Once I have done
+ * this, I am visible to other backends!
*
* Sets up MyBackendId, a unique backend identifier.
*/
}
/*
- * Initialize the access methods.
- * Does not touch files (?) - thomas 1997-11-01
+ * Initialize the access methods. Does not touch files (?) - thomas
+ * 1997-11-01
*/
initam();
EnableExceptionHandling(true);
/*
- * Memory system initialization - we may call palloc after
- * EnableMemoryContext()). Note that EnableMemoryContext()
- * must happen before EnablePortalManager().
+ * Memory system initialization - we may call palloc after
+ * EnableMemoryContext()). Note that EnableMemoryContext() must
+ * happen before EnablePortalManager().
*/
EnableMemoryContext(true); /* initializes the "top context" */
EnablePortalManager(true); /* memory for portal/transaction stuff */
* Tatsuo Ishii
* WIN1250 client encoding support contributed by Pavel Behal
*
- * $Id: conv.c,v 1.13 2000/01/13 01:08:14 ishii Exp $
+ * $Id: conv.c,v 1.14 2000/04/12 17:16:06 momjian Exp $
*
*
*/
/*
* conversion table between SJIS UDC (IBM kanji) and EUC_JP
*/
-static struct {
- int sjis; /* SJIS UDC (IBM kanji) */
- int euc; /* EUC_JP */
-} ibmkanji[] = {
- {0xfa40, 0x8ff3f3},
- {0xfa41, 0x8ff3f4},
- {0xfa42, 0x8ff3f5},
- {0xfa43, 0x8ff3f6},
- {0xfa44, 0x8ff3f7},
- {0xfa45, 0x8ff3f8},
- {0xfa46, 0x8ff3f9},
- {0xfa47, 0x8ff3fa},
- {0xfa48, 0x8ff3fb},
- {0xfa49, 0x8ff3fc},
- {0xfa4a, 0x8ff3fd},
- {0xfa4b, 0x8ff3fe},
- {0xfa4c, 0x8ff4a1},
- {0xfa4d, 0x8ff4a2},
- {0xfa4e, 0x8ff4a3},
- {0xfa4f, 0x8ff4a4},
- {0xfa50, 0x8ff4a5},
- {0xfa51, 0x8ff4a6},
- {0xfa52, 0x8ff4a7},
- {0xfa53, 0x8ff4a8},
- {0xfa54, 0xa2cc},
- {0xfa55, 0x8fa2c3},
- {0xfa56, 0x8ff4a9},
- {0xfa57, 0x8ff4aa},
- {0xfa58, 0x8ff4ab},
- {0xfa59, 0x8ff4ac},
- {0xfa5a, 0x8ff4ad},
- {0xfa5b, 0xa2e8},
- {0xfa5c, 0x8fd4e3},
- {0xfa5d, 0x8fdcdf},
- {0xfa5e, 0x8fe4e9},
- {0xfa5f, 0x8fe3f8},
- {0xfa60, 0x8fd9a1},
- {0xfa61, 0x8fb1bb},
- {0xfa62, 0x8ff4ae},
- {0xfa63, 0x8fc2ad},
- {0xfa64, 0x8fc3fc},
- {0xfa65, 0x8fe4d0},
- {0xfa66, 0x8fc2bf},
- {0xfa67, 0x8fbcf4},
- {0xfa68, 0x8fb0a9},
- {0xfa69, 0x8fb0c8},
- {0xfa6a, 0x8ff4af},
- {0xfa6b, 0x8fb0d2},
- {0xfa6c, 0x8fb0d4},
- {0xfa6d, 0x8fb0e3},
- {0xfa6e, 0x8fb0ee},
- {0xfa6f, 0x8fb1a7},
- {0xfa70, 0x8fb1a3},
- {0xfa71, 0x8fb1ac},
- {0xfa72, 0x8fb1a9},
- {0xfa73, 0x8fb1be},
- {0xfa74, 0x8fb1df},
- {0xfa75, 0x8fb1d8},
- {0xfa76, 0x8fb1c8},
- {0xfa77, 0x8fb1d7},
- {0xfa78, 0x8fb1e3},
- {0xfa79, 0x8fb1f4},
- {0xfa7a, 0x8fb1e1},
- {0xfa7b, 0x8fb2a3},
- {0xfa7c, 0x8ff4b0},
- {0xfa7d, 0x8fb2bb},
- {0xfa7e, 0x8fb2e6},
- {0xfa80, 0x8fb2ed},
- {0xfa81, 0x8fb2f5},
- {0xfa82, 0x8fb2fc},
- {0xfa83, 0x8ff4b1},
- {0xfa84, 0x8fb3b5},
- {0xfa85, 0x8fb3d8},
- {0xfa86, 0x8fb3db},
- {0xfa87, 0x8fb3e5},
- {0xfa88, 0x8fb3ee},
- {0xfa89, 0x8fb3fb},
- {0xfa8a, 0x8ff4b2},
- {0xfa8b, 0x8ff4b3},
- {0xfa8c, 0x8fb4c0},
- {0xfa8d, 0x8fb4c7},
- {0xfa8e, 0x8fb4d0},
- {0xfa8f, 0x8fb4de},
- {0xfa90, 0x8ff4b4},
- {0xfa91, 0x8fb5aa},
- {0xfa92, 0x8ff4b5},
- {0xfa93, 0x8fb5af},
- {0xfa94, 0x8fb5c4},
- {0xfa95, 0x8fb5e8},
- {0xfa96, 0x8ff4b6},
- {0xfa97, 0x8fb7c2},
- {0xfa98, 0x8fb7e4},
- {0xfa99, 0x8fb7e8},
- {0xfa9a, 0x8fb7e7},
- {0xfa9b, 0x8ff4b7},
- {0xfa9c, 0x8ff4b8},
- {0xfa9d, 0x8ff4b9},
- {0xfa9e, 0x8fb8ce},
- {0xfa9f, 0x8fb8e1},
- {0xfaa0, 0x8fb8f5},
- {0xfaa1, 0x8fb8f7},
- {0xfaa2, 0x8fb8f8},
- {0xfaa3, 0x8fb8fc},
- {0xfaa4, 0x8fb9af},
- {0xfaa5, 0x8fb9b7},
- {0xfaa6, 0x8fbabe},
- {0xfaa7, 0x8fbadb},
- {0xfaa8, 0x8fcdaa},
- {0xfaa9, 0x8fbae1},
- {0xfaaa, 0x8ff4ba},
- {0xfaab, 0x8fbaeb},
- {0xfaac, 0x8fbbb3},
- {0xfaad, 0x8fbbb8},
- {0xfaae, 0x8ff4bb},
- {0xfaaf, 0x8fbbca},
- {0xfab0, 0x8ff4bc},
- {0xfab1, 0x8ff4bd},
- {0xfab2, 0x8fbbd0},
- {0xfab3, 0x8fbbde},
- {0xfab4, 0x8fbbf4},
- {0xfab5, 0x8fbbf5},
- {0xfab6, 0x8fbbf9},
- {0xfab7, 0x8fbce4},
- {0xfab8, 0x8fbced},
- {0xfab9, 0x8fbcfe},
- {0xfaba, 0x8ff4be},
- {0xfabb, 0x8fbdc2},
- {0xfabc, 0x8fbde7},
- {0xfabd, 0x8ff4bf},
- {0xfabe, 0x8fbdf0},
- {0xfabf, 0x8fbeb0},
- {0xfac0, 0x8fbeac},
- {0xfac1, 0x8ff4c0},
- {0xfac2, 0x8fbeb3},
- {0xfac3, 0x8fbebd},
- {0xfac4, 0x8fbecd},
- {0xfac5, 0x8fbec9},
- {0xfac6, 0x8fbee4},
- {0xfac7, 0x8fbfa8},
- {0xfac8, 0x8fbfc9},
- {0xfac9, 0x8fc0c4},
- {0xfaca, 0x8fc0e4},
- {0xfacb, 0x8fc0f4},
- {0xfacc, 0x8fc1a6},
- {0xfacd, 0x8ff4c1},
- {0xface, 0x8fc1f5},
- {0xfacf, 0x8fc1fc},
- {0xfad0, 0x8ff4c2},
- {0xfad1, 0x8fc1f8},
- {0xfad2, 0x8fc2ab},
- {0xfad3, 0x8fc2a1},
- {0xfad4, 0x8fc2a5},
- {0xfad5, 0x8ff4c3},
- {0xfad6, 0x8fc2b8},
- {0xfad7, 0x8fc2ba},
- {0xfad8, 0x8ff4c4},
- {0xfad9, 0x8fc2c4},
- {0xfada, 0x8fc2d2},
- {0xfadb, 0x8fc2d7},
- {0xfadc, 0x8fc2db},
- {0xfadd, 0x8fc2de},
- {0xfade, 0x8fc2ed},
- {0xfadf, 0x8fc2f0},
- {0xfae0, 0x8ff4c5},
- {0xfae1, 0x8fc3a1},
- {0xfae2, 0x8fc3b5},
- {0xfae3, 0x8fc3c9},
- {0xfae4, 0x8fc3b9},
- {0xfae5, 0x8ff4c6},
- {0xfae6, 0x8fc3d8},
- {0xfae7, 0x8fc3fe},
- {0xfae8, 0x8ff4c7},
- {0xfae9, 0x8fc4cc},
- {0xfaea, 0x8ff4c8},
- {0xfaeb, 0x8fc4d9},
- {0xfaec, 0x8fc4ea},
- {0xfaed, 0x8fc4fd},
- {0xfaee, 0x8ff4c9},
- {0xfaef, 0x8fc5a7},
- {0xfaf0, 0x8fc5b5},
- {0xfaf1, 0x8fc5b6},
- {0xfaf2, 0x8ff4ca},
- {0xfaf3, 0x8fc5d5},
- {0xfaf4, 0x8fc6b8},
- {0xfaf5, 0x8fc6d7},
- {0xfaf6, 0x8fc6e0},
- {0xfaf7, 0x8fc6ea},
- {0xfaf8, 0x8fc6e3},
- {0xfaf9, 0x8fc7a1},
- {0xfafa, 0x8fc7ab},
- {0xfafb, 0x8fc7c7},
- {0xfafc, 0x8fc7c3},
- {0xfb40, 0x8fc7cb},
- {0xfb41, 0x8fc7cf},
- {0xfb42, 0x8fc7d9},
- {0xfb43, 0x8ff4cb},
- {0xfb44, 0x8ff4cc},
- {0xfb45, 0x8fc7e6},
- {0xfb46, 0x8fc7ee},
- {0xfb47, 0x8fc7fc},
- {0xfb48, 0x8fc7eb},
- {0xfb49, 0x8fc7f0},
- {0xfb4a, 0x8fc8b1},
- {0xfb4b, 0x8fc8e5},
- {0xfb4c, 0x8fc8f8},
- {0xfb4d, 0x8fc9a6},
- {0xfb4e, 0x8fc9ab},
- {0xfb4f, 0x8fc9ad},
- {0xfb50, 0x8ff4cd},
- {0xfb51, 0x8fc9ca},
- {0xfb52, 0x8fc9d3},
- {0xfb53, 0x8fc9e9},
- {0xfb54, 0x8fc9e3},
- {0xfb55, 0x8fc9fc},
- {0xfb56, 0x8fc9f4},
- {0xfb57, 0x8fc9f5},
- {0xfb58, 0x8ff4ce},
- {0xfb59, 0x8fcab3},
- {0xfb5a, 0x8fcabd},
- {0xfb5b, 0x8fcaef},
- {0xfb5c, 0x8fcaf1},
- {0xfb5d, 0x8fcbae},
- {0xfb5e, 0x8ff4cf},
- {0xfb5f, 0x8fcbca},
- {0xfb60, 0x8fcbe6},
- {0xfb61, 0x8fcbea},
- {0xfb62, 0x8fcbf0},
- {0xfb63, 0x8fcbf4},
- {0xfb64, 0x8fcbee},
- {0xfb65, 0x8fcca5},
- {0xfb66, 0x8fcbf9},
- {0xfb67, 0x8fccab},
- {0xfb68, 0x8fccae},
- {0xfb69, 0x8fccad},
- {0xfb6a, 0x8fccb2},
- {0xfb6b, 0x8fccc2},
- {0xfb6c, 0x8fccd0},
- {0xfb6d, 0x8fccd9},
- {0xfb6e, 0x8ff4d0},
- {0xfb6f, 0x8fcdbb},
- {0xfb70, 0x8ff4d1},
- {0xfb71, 0x8fcebb},
- {0xfb72, 0x8ff4d2},
- {0xfb73, 0x8fceba},
- {0xfb74, 0x8fcec3},
- {0xfb75, 0x8ff4d3},
- {0xfb76, 0x8fcef2},
- {0xfb77, 0x8fb3dd},
- {0xfb78, 0x8fcfd5},
- {0xfb79, 0x8fcfe2},
- {0xfb7a, 0x8fcfe9},
- {0xfb7b, 0x8fcfed},
- {0xfb7c, 0x8ff4d4},
- {0xfb7d, 0x8ff4d5},
- {0xfb7e, 0x8ff4d6},
- {0xfb80, 0x8ff4d7},
- {0xfb81, 0x8fd0e5},
- {0xfb82, 0x8ff4d8},
- {0xfb83, 0x8fd0e9},
- {0xfb84, 0x8fd1e8},
- {0xfb85, 0x8ff4d9},
- {0xfb86, 0x8ff4da},
- {0xfb87, 0x8fd1ec},
- {0xfb88, 0x8fd2bb},
- {0xfb89, 0x8ff4db},
- {0xfb8a, 0x8fd3e1},
- {0xfb8b, 0x8fd3e8},
- {0xfb8c, 0x8fd4a7},
- {0xfb8d, 0x8ff4dc},
- {0xfb8e, 0x8ff4dd},
- {0xfb8f, 0x8fd4d4},
- {0xfb90, 0x8fd4f2},
- {0xfb91, 0x8fd5ae},
- {0xfb92, 0x8ff4de},
- {0xfb93, 0x8fd7de},
- {0xfb94, 0x8ff4df},
- {0xfb95, 0x8fd8a2},
- {0xfb96, 0x8fd8b7},
- {0xfb97, 0x8fd8c1},
- {0xfb98, 0x8fd8d1},
- {0xfb99, 0x8fd8f4},
- {0xfb9a, 0x8fd9c6},
- {0xfb9b, 0x8fd9c8},
- {0xfb9c, 0x8fd9d1},
- {0xfb9d, 0x8ff4e0},
- {0xfb9e, 0x8ff4e1},
- {0xfb9f, 0x8ff4e2},
- {0xfba0, 0x8ff4e3},
- {0xfba1, 0x8ff4e4},
- {0xfba2, 0x8fdcd3},
- {0xfba3, 0x8fddc8},
- {0xfba4, 0x8fddd4},
- {0xfba5, 0x8fddea},
- {0xfba6, 0x8fddfa},
- {0xfba7, 0x8fdea4},
- {0xfba8, 0x8fdeb0},
- {0xfba9, 0x8ff4e5},
- {0xfbaa, 0x8fdeb5},
- {0xfbab, 0x8fdecb},
- {0xfbac, 0x8ff4e6},
- {0xfbad, 0x8fdfb9},
- {0xfbae, 0x8ff4e7},
- {0xfbaf, 0x8fdfc3},
- {0xfbb0, 0x8ff4e8},
- {0xfbb1, 0x8ff4e9},
- {0xfbb2, 0x8fe0d9},
- {0xfbb3, 0x8ff4ea},
- {0xfbb4, 0x8ff4eb},
- {0xfbb5, 0x8fe1e2},
- {0xfbb6, 0x8ff4ec},
- {0xfbb7, 0x8ff4ed},
- {0xfbb8, 0x8ff4ee},
- {0xfbb9, 0x8fe2c7},
- {0xfbba, 0x8fe3a8},
- {0xfbbb, 0x8fe3a6},
- {0xfbbc, 0x8fe3a9},
- {0xfbbd, 0x8fe3af},
- {0xfbbe, 0x8fe3b0},
- {0xfbbf, 0x8fe3aa},
- {0xfbc0, 0x8fe3ab},
- {0xfbc1, 0x8fe3bc},
- {0xfbc2, 0x8fe3c1},
- {0xfbc3, 0x8fe3bf},
- {0xfbc4, 0x8fe3d5},
- {0xfbc5, 0x8fe3d8},
- {0xfbc6, 0x8fe3d6},
- {0xfbc7, 0x8fe3df},
- {0xfbc8, 0x8fe3e3},
- {0xfbc9, 0x8fe3e1},
- {0xfbca, 0x8fe3d4},
- {0xfbcb, 0x8fe3e9},
- {0xfbcc, 0x8fe4a6},
- {0xfbcd, 0x8fe3f1},
- {0xfbce, 0x8fe3f2},
- {0xfbcf, 0x8fe4cb},
- {0xfbd0, 0x8fe4c1},
- {0xfbd1, 0x8fe4c3},
- {0xfbd2, 0x8fe4be},
- {0xfbd3, 0x8ff4ef},
- {0xfbd4, 0x8fe4c0},
- {0xfbd5, 0x8fe4c7},
- {0xfbd6, 0x8fe4bf},
- {0xfbd7, 0x8fe4e0},
- {0xfbd8, 0x8fe4de},
- {0xfbd9, 0x8fe4d1},
- {0xfbda, 0x8ff4f0},
- {0xfbdb, 0x8fe4dc},
- {0xfbdc, 0x8fe4d2},
- {0xfbdd, 0x8fe4db},
- {0xfbde, 0x8fe4d4},
- {0xfbdf, 0x8fe4fa},
- {0xfbe0, 0x8fe4ef},
- {0xfbe1, 0x8fe5b3},
- {0xfbe2, 0x8fe5bf},
- {0xfbe3, 0x8fe5c9},
- {0xfbe4, 0x8fe5d0},
- {0xfbe5, 0x8fe5e2},
- {0xfbe6, 0x8fe5ea},
- {0xfbe7, 0x8fe5eb},
- {0xfbe8, 0x8ff4f1},
- {0xfbe9, 0x8ff4f2},
- {0xfbea, 0x8ff4f3},
- {0xfbeb, 0x8fe6e8},
- {0xfbec, 0x8fe6ef},
- {0xfbed, 0x8fe7ac},
- {0xfbee, 0x8ff4f4},
- {0xfbef, 0x8fe7ae},
- {0xfbf0, 0x8ff4f5},
- {0xfbf1, 0x8fe7b1},
- {0xfbf2, 0x8ff4f6},
- {0xfbf3, 0x8fe7b2},
- {0xfbf4, 0x8fe8b1},
- {0xfbf5, 0x8fe8b6},
- {0xfbf6, 0x8ff4f7},
- {0xfbf7, 0x8ff4f8},
- {0xfbf8, 0x8fe8dd},
- {0xfbf9, 0x8ff4f9},
- {0xfbfa, 0x8ff4fa},
- {0xfbfb, 0x8fe9d1},
- {0xfbfc, 0x8ff4fb},
- {0xfc40, 0x8fe9ed},
- {0xfc41, 0x8feacd},
- {0xfc42, 0x8ff4fc},
- {0xfc43, 0x8feadb},
- {0xfc44, 0x8feae6},
- {0xfc45, 0x8feaea},
- {0xfc46, 0x8feba5},
- {0xfc47, 0x8febfb},
- {0xfc48, 0x8febfa},
- {0xfc49, 0x8ff4fd},
- {0xfc4a, 0x8fecd6},
- {0xfc4b, 0x8ff4fe},
- {0xffff, 0xffff} /* stop code */
+static struct
+{
+ int sjis; /* SJIS UDC (IBM kanji) */
+ int euc; /* EUC_JP */
+} ibmkanji[] =
+
+{
+ {
+ 0xfa40, 0x8ff3f3
+ },
+ {
+ 0xfa41, 0x8ff3f4
+ },
+ {
+ 0xfa42, 0x8ff3f5
+ },
+ {
+ 0xfa43, 0x8ff3f6
+ },
+ {
+ 0xfa44, 0x8ff3f7
+ },
+ {
+ 0xfa45, 0x8ff3f8
+ },
+ {
+ 0xfa46, 0x8ff3f9
+ },
+ {
+ 0xfa47, 0x8ff3fa
+ },
+ {
+ 0xfa48, 0x8ff3fb
+ },
+ {
+ 0xfa49, 0x8ff3fc
+ },
+ {
+ 0xfa4a, 0x8ff3fd
+ },
+ {
+ 0xfa4b, 0x8ff3fe
+ },
+ {
+ 0xfa4c, 0x8ff4a1
+ },
+ {
+ 0xfa4d, 0x8ff4a2
+ },
+ {
+ 0xfa4e, 0x8ff4a3
+ },
+ {
+ 0xfa4f, 0x8ff4a4
+ },
+ {
+ 0xfa50, 0x8ff4a5
+ },
+ {
+ 0xfa51, 0x8ff4a6
+ },
+ {
+ 0xfa52, 0x8ff4a7
+ },
+ {
+ 0xfa53, 0x8ff4a8
+ },
+ {
+ 0xfa54, 0xa2cc
+ },
+ {
+ 0xfa55, 0x8fa2c3
+ },
+ {
+ 0xfa56, 0x8ff4a9
+ },
+ {
+ 0xfa57, 0x8ff4aa
+ },
+ {
+ 0xfa58, 0x8ff4ab
+ },
+ {
+ 0xfa59, 0x8ff4ac
+ },
+ {
+ 0xfa5a, 0x8ff4ad
+ },
+ {
+ 0xfa5b, 0xa2e8
+ },
+ {
+ 0xfa5c, 0x8fd4e3
+ },
+ {
+ 0xfa5d, 0x8fdcdf
+ },
+ {
+ 0xfa5e, 0x8fe4e9
+ },
+ {
+ 0xfa5f, 0x8fe3f8
+ },
+ {
+ 0xfa60, 0x8fd9a1
+ },
+ {
+ 0xfa61, 0x8fb1bb
+ },
+ {
+ 0xfa62, 0x8ff4ae
+ },
+ {
+ 0xfa63, 0x8fc2ad
+ },
+ {
+ 0xfa64, 0x8fc3fc
+ },
+ {
+ 0xfa65, 0x8fe4d0
+ },
+ {
+ 0xfa66, 0x8fc2bf
+ },
+ {
+ 0xfa67, 0x8fbcf4
+ },
+ {
+ 0xfa68, 0x8fb0a9
+ },
+ {
+ 0xfa69, 0x8fb0c8
+ },
+ {
+ 0xfa6a, 0x8ff4af
+ },
+ {
+ 0xfa6b, 0x8fb0d2
+ },
+ {
+ 0xfa6c, 0x8fb0d4
+ },
+ {
+ 0xfa6d, 0x8fb0e3
+ },
+ {
+ 0xfa6e, 0x8fb0ee
+ },
+ {
+ 0xfa6f, 0x8fb1a7
+ },
+ {
+ 0xfa70, 0x8fb1a3
+ },
+ {
+ 0xfa71, 0x8fb1ac
+ },
+ {
+ 0xfa72, 0x8fb1a9
+ },
+ {
+ 0xfa73, 0x8fb1be
+ },
+ {
+ 0xfa74, 0x8fb1df
+ },
+ {
+ 0xfa75, 0x8fb1d8
+ },
+ {
+ 0xfa76, 0x8fb1c8
+ },
+ {
+ 0xfa77, 0x8fb1d7
+ },
+ {
+ 0xfa78, 0x8fb1e3
+ },
+ {
+ 0xfa79, 0x8fb1f4
+ },
+ {
+ 0xfa7a, 0x8fb1e1
+ },
+ {
+ 0xfa7b, 0x8fb2a3
+ },
+ {
+ 0xfa7c, 0x8ff4b0
+ },
+ {
+ 0xfa7d, 0x8fb2bb
+ },
+ {
+ 0xfa7e, 0x8fb2e6
+ },
+ {
+ 0xfa80, 0x8fb2ed
+ },
+ {
+ 0xfa81, 0x8fb2f5
+ },
+ {
+ 0xfa82, 0x8fb2fc
+ },
+ {
+ 0xfa83, 0x8ff4b1
+ },
+ {
+ 0xfa84, 0x8fb3b5
+ },
+ {
+ 0xfa85, 0x8fb3d8
+ },
+ {
+ 0xfa86, 0x8fb3db
+ },
+ {
+ 0xfa87, 0x8fb3e5
+ },
+ {
+ 0xfa88, 0x8fb3ee
+ },
+ {
+ 0xfa89, 0x8fb3fb
+ },
+ {
+ 0xfa8a, 0x8ff4b2
+ },
+ {
+ 0xfa8b, 0x8ff4b3
+ },
+ {
+ 0xfa8c, 0x8fb4c0
+ },
+ {
+ 0xfa8d, 0x8fb4c7
+ },
+ {
+ 0xfa8e, 0x8fb4d0
+ },
+ {
+ 0xfa8f, 0x8fb4de
+ },
+ {
+ 0xfa90, 0x8ff4b4
+ },
+ {
+ 0xfa91, 0x8fb5aa
+ },
+ {
+ 0xfa92, 0x8ff4b5
+ },
+ {
+ 0xfa93, 0x8fb5af
+ },
+ {
+ 0xfa94, 0x8fb5c4
+ },
+ {
+ 0xfa95, 0x8fb5e8
+ },
+ {
+ 0xfa96, 0x8ff4b6
+ },
+ {
+ 0xfa97, 0x8fb7c2
+ },
+ {
+ 0xfa98, 0x8fb7e4
+ },
+ {
+ 0xfa99, 0x8fb7e8
+ },
+ {
+ 0xfa9a, 0x8fb7e7
+ },
+ {
+ 0xfa9b, 0x8ff4b7
+ },
+ {
+ 0xfa9c, 0x8ff4b8
+ },
+ {
+ 0xfa9d, 0x8ff4b9
+ },
+ {
+ 0xfa9e, 0x8fb8ce
+ },
+ {
+ 0xfa9f, 0x8fb8e1
+ },
+ {
+ 0xfaa0, 0x8fb8f5
+ },
+ {
+ 0xfaa1, 0x8fb8f7
+ },
+ {
+ 0xfaa2, 0x8fb8f8
+ },
+ {
+ 0xfaa3, 0x8fb8fc
+ },
+ {
+ 0xfaa4, 0x8fb9af
+ },
+ {
+ 0xfaa5, 0x8fb9b7
+ },
+ {
+ 0xfaa6, 0x8fbabe
+ },
+ {
+ 0xfaa7, 0x8fbadb
+ },
+ {
+ 0xfaa8, 0x8fcdaa
+ },
+ {
+ 0xfaa9, 0x8fbae1
+ },
+ {
+ 0xfaaa, 0x8ff4ba
+ },
+ {
+ 0xfaab, 0x8fbaeb
+ },
+ {
+ 0xfaac, 0x8fbbb3
+ },
+ {
+ 0xfaad, 0x8fbbb8
+ },
+ {
+ 0xfaae, 0x8ff4bb
+ },
+ {
+ 0xfaaf, 0x8fbbca
+ },
+ {
+ 0xfab0, 0x8ff4bc
+ },
+ {
+ 0xfab1, 0x8ff4bd
+ },
+ {
+ 0xfab2, 0x8fbbd0
+ },
+ {
+ 0xfab3, 0x8fbbde
+ },
+ {
+ 0xfab4, 0x8fbbf4
+ },
+ {
+ 0xfab5, 0x8fbbf5
+ },
+ {
+ 0xfab6, 0x8fbbf9
+ },
+ {
+ 0xfab7, 0x8fbce4
+ },
+ {
+ 0xfab8, 0x8fbced
+ },
+ {
+ 0xfab9, 0x8fbcfe
+ },
+ {
+ 0xfaba, 0x8ff4be
+ },
+ {
+ 0xfabb, 0x8fbdc2
+ },
+ {
+ 0xfabc, 0x8fbde7
+ },
+ {
+ 0xfabd, 0x8ff4bf
+ },
+ {
+ 0xfabe, 0x8fbdf0
+ },
+ {
+ 0xfabf, 0x8fbeb0
+ },
+ {
+ 0xfac0, 0x8fbeac
+ },
+ {
+ 0xfac1, 0x8ff4c0
+ },
+ {
+ 0xfac2, 0x8fbeb3
+ },
+ {
+ 0xfac3, 0x8fbebd
+ },
+ {
+ 0xfac4, 0x8fbecd
+ },
+ {
+ 0xfac5, 0x8fbec9
+ },
+ {
+ 0xfac6, 0x8fbee4
+ },
+ {
+ 0xfac7, 0x8fbfa8
+ },
+ {
+ 0xfac8, 0x8fbfc9
+ },
+ {
+ 0xfac9, 0x8fc0c4
+ },
+ {
+ 0xfaca, 0x8fc0e4
+ },
+ {
+ 0xfacb, 0x8fc0f4
+ },
+ {
+ 0xfacc, 0x8fc1a6
+ },
+ {
+ 0xfacd, 0x8ff4c1
+ },
+ {
+ 0xface, 0x8fc1f5
+ },
+ {
+ 0xfacf, 0x8fc1fc
+ },
+ {
+ 0xfad0, 0x8ff4c2
+ },
+ {
+ 0xfad1, 0x8fc1f8
+ },
+ {
+ 0xfad2, 0x8fc2ab
+ },
+ {
+ 0xfad3, 0x8fc2a1
+ },
+ {
+ 0xfad4, 0x8fc2a5
+ },
+ {
+ 0xfad5, 0x8ff4c3
+ },
+ {
+ 0xfad6, 0x8fc2b8
+ },
+ {
+ 0xfad7, 0x8fc2ba
+ },
+ {
+ 0xfad8, 0x8ff4c4
+ },
+ {
+ 0xfad9, 0x8fc2c4
+ },
+ {
+ 0xfada, 0x8fc2d2
+ },
+ {
+ 0xfadb, 0x8fc2d7
+ },
+ {
+ 0xfadc, 0x8fc2db
+ },
+ {
+ 0xfadd, 0x8fc2de
+ },
+ {
+ 0xfade, 0x8fc2ed
+ },
+ {
+ 0xfadf, 0x8fc2f0
+ },
+ {
+ 0xfae0, 0x8ff4c5
+ },
+ {
+ 0xfae1, 0x8fc3a1
+ },
+ {
+ 0xfae2, 0x8fc3b5
+ },
+ {
+ 0xfae3, 0x8fc3c9
+ },
+ {
+ 0xfae4, 0x8fc3b9
+ },
+ {
+ 0xfae5, 0x8ff4c6
+ },
+ {
+ 0xfae6, 0x8fc3d8
+ },
+ {
+ 0xfae7, 0x8fc3fe
+ },
+ {
+ 0xfae8, 0x8ff4c7
+ },
+ {
+ 0xfae9, 0x8fc4cc
+ },
+ {
+ 0xfaea, 0x8ff4c8
+ },
+ {
+ 0xfaeb, 0x8fc4d9
+ },
+ {
+ 0xfaec, 0x8fc4ea
+ },
+ {
+ 0xfaed, 0x8fc4fd
+ },
+ {
+ 0xfaee, 0x8ff4c9
+ },
+ {
+ 0xfaef, 0x8fc5a7
+ },
+ {
+ 0xfaf0, 0x8fc5b5
+ },
+ {
+ 0xfaf1, 0x8fc5b6
+ },
+ {
+ 0xfaf2, 0x8ff4ca
+ },
+ {
+ 0xfaf3, 0x8fc5d5
+ },
+ {
+ 0xfaf4, 0x8fc6b8
+ },
+ {
+ 0xfaf5, 0x8fc6d7
+ },
+ {
+ 0xfaf6, 0x8fc6e0
+ },
+ {
+ 0xfaf7, 0x8fc6ea
+ },
+ {
+ 0xfaf8, 0x8fc6e3
+ },
+ {
+ 0xfaf9, 0x8fc7a1
+ },
+ {
+ 0xfafa, 0x8fc7ab
+ },
+ {
+ 0xfafb, 0x8fc7c7
+ },
+ {
+ 0xfafc, 0x8fc7c3
+ },
+ {
+ 0xfb40, 0x8fc7cb
+ },
+ {
+ 0xfb41, 0x8fc7cf
+ },
+ {
+ 0xfb42, 0x8fc7d9
+ },
+ {
+ 0xfb43, 0x8ff4cb
+ },
+ {
+ 0xfb44, 0x8ff4cc
+ },
+ {
+ 0xfb45, 0x8fc7e6
+ },
+ {
+ 0xfb46, 0x8fc7ee
+ },
+ {
+ 0xfb47, 0x8fc7fc
+ },
+ {
+ 0xfb48, 0x8fc7eb
+ },
+ {
+ 0xfb49, 0x8fc7f0
+ },
+ {
+ 0xfb4a, 0x8fc8b1
+ },
+ {
+ 0xfb4b, 0x8fc8e5
+ },
+ {
+ 0xfb4c, 0x8fc8f8
+ },
+ {
+ 0xfb4d, 0x8fc9a6
+ },
+ {
+ 0xfb4e, 0x8fc9ab
+ },
+ {
+ 0xfb4f, 0x8fc9ad
+ },
+ {
+ 0xfb50, 0x8ff4cd
+ },
+ {
+ 0xfb51, 0x8fc9ca
+ },
+ {
+ 0xfb52, 0x8fc9d3
+ },
+ {
+ 0xfb53, 0x8fc9e9
+ },
+ {
+ 0xfb54, 0x8fc9e3
+ },
+ {
+ 0xfb55, 0x8fc9fc
+ },
+ {
+ 0xfb56, 0x8fc9f4
+ },
+ {
+ 0xfb57, 0x8fc9f5
+ },
+ {
+ 0xfb58, 0x8ff4ce
+ },
+ {
+ 0xfb59, 0x8fcab3
+ },
+ {
+ 0xfb5a, 0x8fcabd
+ },
+ {
+ 0xfb5b, 0x8fcaef
+ },
+ {
+ 0xfb5c, 0x8fcaf1
+ },
+ {
+ 0xfb5d, 0x8fcbae
+ },
+ {
+ 0xfb5e, 0x8ff4cf
+ },
+ {
+ 0xfb5f, 0x8fcbca
+ },
+ {
+ 0xfb60, 0x8fcbe6
+ },
+ {
+ 0xfb61, 0x8fcbea
+ },
+ {
+ 0xfb62, 0x8fcbf0
+ },
+ {
+ 0xfb63, 0x8fcbf4
+ },
+ {
+ 0xfb64, 0x8fcbee
+ },
+ {
+ 0xfb65, 0x8fcca5
+ },
+ {
+ 0xfb66, 0x8fcbf9
+ },
+ {
+ 0xfb67, 0x8fccab
+ },
+ {
+ 0xfb68, 0x8fccae
+ },
+ {
+ 0xfb69, 0x8fccad
+ },
+ {
+ 0xfb6a, 0x8fccb2
+ },
+ {
+ 0xfb6b, 0x8fccc2
+ },
+ {
+ 0xfb6c, 0x8fccd0
+ },
+ {
+ 0xfb6d, 0x8fccd9
+ },
+ {
+ 0xfb6e, 0x8ff4d0
+ },
+ {
+ 0xfb6f, 0x8fcdbb
+ },
+ {
+ 0xfb70, 0x8ff4d1
+ },
+ {
+ 0xfb71, 0x8fcebb
+ },
+ {
+ 0xfb72, 0x8ff4d2
+ },
+ {
+ 0xfb73, 0x8fceba
+ },
+ {
+ 0xfb74, 0x8fcec3
+ },
+ {
+ 0xfb75, 0x8ff4d3
+ },
+ {
+ 0xfb76, 0x8fcef2
+ },
+ {
+ 0xfb77, 0x8fb3dd
+ },
+ {
+ 0xfb78, 0x8fcfd5
+ },
+ {
+ 0xfb79, 0x8fcfe2
+ },
+ {
+ 0xfb7a, 0x8fcfe9
+ },
+ {
+ 0xfb7b, 0x8fcfed
+ },
+ {
+ 0xfb7c, 0x8ff4d4
+ },
+ {
+ 0xfb7d, 0x8ff4d5
+ },
+ {
+ 0xfb7e, 0x8ff4d6
+ },
+ {
+ 0xfb80, 0x8ff4d7
+ },
+ {
+ 0xfb81, 0x8fd0e5
+ },
+ {
+ 0xfb82, 0x8ff4d8
+ },
+ {
+ 0xfb83, 0x8fd0e9
+ },
+ {
+ 0xfb84, 0x8fd1e8
+ },
+ {
+ 0xfb85, 0x8ff4d9
+ },
+ {
+ 0xfb86, 0x8ff4da
+ },
+ {
+ 0xfb87, 0x8fd1ec
+ },
+ {
+ 0xfb88, 0x8fd2bb
+ },
+ {
+ 0xfb89, 0x8ff4db
+ },
+ {
+ 0xfb8a, 0x8fd3e1
+ },
+ {
+ 0xfb8b, 0x8fd3e8
+ },
+ {
+ 0xfb8c, 0x8fd4a7
+ },
+ {
+ 0xfb8d, 0x8ff4dc
+ },
+ {
+ 0xfb8e, 0x8ff4dd
+ },
+ {
+ 0xfb8f, 0x8fd4d4
+ },
+ {
+ 0xfb90, 0x8fd4f2
+ },
+ {
+ 0xfb91, 0x8fd5ae
+ },
+ {
+ 0xfb92, 0x8ff4de
+ },
+ {
+ 0xfb93, 0x8fd7de
+ },
+ {
+ 0xfb94, 0x8ff4df
+ },
+ {
+ 0xfb95, 0x8fd8a2
+ },
+ {
+ 0xfb96, 0x8fd8b7
+ },
+ {
+ 0xfb97, 0x8fd8c1
+ },
+ {
+ 0xfb98, 0x8fd8d1
+ },
+ {
+ 0xfb99, 0x8fd8f4
+ },
+ {
+ 0xfb9a, 0x8fd9c6
+ },
+ {
+ 0xfb9b, 0x8fd9c8
+ },
+ {
+ 0xfb9c, 0x8fd9d1
+ },
+ {
+ 0xfb9d, 0x8ff4e0
+ },
+ {
+ 0xfb9e, 0x8ff4e1
+ },
+ {
+ 0xfb9f, 0x8ff4e2
+ },
+ {
+ 0xfba0, 0x8ff4e3
+ },
+ {
+ 0xfba1, 0x8ff4e4
+ },
+ {
+ 0xfba2, 0x8fdcd3
+ },
+ {
+ 0xfba3, 0x8fddc8
+ },
+ {
+ 0xfba4, 0x8fddd4
+ },
+ {
+ 0xfba5, 0x8fddea
+ },
+ {
+ 0xfba6, 0x8fddfa
+ },
+ {
+ 0xfba7, 0x8fdea4
+ },
+ {
+ 0xfba8, 0x8fdeb0
+ },
+ {
+ 0xfba9, 0x8ff4e5
+ },
+ {
+ 0xfbaa, 0x8fdeb5
+ },
+ {
+ 0xfbab, 0x8fdecb
+ },
+ {
+ 0xfbac, 0x8ff4e6
+ },
+ {
+ 0xfbad, 0x8fdfb9
+ },
+ {
+ 0xfbae, 0x8ff4e7
+ },
+ {
+ 0xfbaf, 0x8fdfc3
+ },
+ {
+ 0xfbb0, 0x8ff4e8
+ },
+ {
+ 0xfbb1, 0x8ff4e9
+ },
+ {
+ 0xfbb2, 0x8fe0d9
+ },
+ {
+ 0xfbb3, 0x8ff4ea
+ },
+ {
+ 0xfbb4, 0x8ff4eb
+ },
+ {
+ 0xfbb5, 0x8fe1e2
+ },
+ {
+ 0xfbb6, 0x8ff4ec
+ },
+ {
+ 0xfbb7, 0x8ff4ed
+ },
+ {
+ 0xfbb8, 0x8ff4ee
+ },
+ {
+ 0xfbb9, 0x8fe2c7
+ },
+ {
+ 0xfbba, 0x8fe3a8
+ },
+ {
+ 0xfbbb, 0x8fe3a6
+ },
+ {
+ 0xfbbc, 0x8fe3a9
+ },
+ {
+ 0xfbbd, 0x8fe3af
+ },
+ {
+ 0xfbbe, 0x8fe3b0
+ },
+ {
+ 0xfbbf, 0x8fe3aa
+ },
+ {
+ 0xfbc0, 0x8fe3ab
+ },
+ {
+ 0xfbc1, 0x8fe3bc
+ },
+ {
+ 0xfbc2, 0x8fe3c1
+ },
+ {
+ 0xfbc3, 0x8fe3bf
+ },
+ {
+ 0xfbc4, 0x8fe3d5
+ },
+ {
+ 0xfbc5, 0x8fe3d8
+ },
+ {
+ 0xfbc6, 0x8fe3d6
+ },
+ {
+ 0xfbc7, 0x8fe3df
+ },
+ {
+ 0xfbc8, 0x8fe3e3
+ },
+ {
+ 0xfbc9, 0x8fe3e1
+ },
+ {
+ 0xfbca, 0x8fe3d4
+ },
+ {
+ 0xfbcb, 0x8fe3e9
+ },
+ {
+ 0xfbcc, 0x8fe4a6
+ },
+ {
+ 0xfbcd, 0x8fe3f1
+ },
+ {
+ 0xfbce, 0x8fe3f2
+ },
+ {
+ 0xfbcf, 0x8fe4cb
+ },
+ {
+ 0xfbd0, 0x8fe4c1
+ },
+ {
+ 0xfbd1, 0x8fe4c3
+ },
+ {
+ 0xfbd2, 0x8fe4be
+ },
+ {
+ 0xfbd3, 0x8ff4ef
+ },
+ {
+ 0xfbd4, 0x8fe4c0
+ },
+ {
+ 0xfbd5, 0x8fe4c7
+ },
+ {
+ 0xfbd6, 0x8fe4bf
+ },
+ {
+ 0xfbd7, 0x8fe4e0
+ },
+ {
+ 0xfbd8, 0x8fe4de
+ },
+ {
+ 0xfbd9, 0x8fe4d1
+ },
+ {
+ 0xfbda, 0x8ff4f0
+ },
+ {
+ 0xfbdb, 0x8fe4dc
+ },
+ {
+ 0xfbdc, 0x8fe4d2
+ },
+ {
+ 0xfbdd, 0x8fe4db
+ },
+ {
+ 0xfbde, 0x8fe4d4
+ },
+ {
+ 0xfbdf, 0x8fe4fa
+ },
+ {
+ 0xfbe0, 0x8fe4ef
+ },
+ {
+ 0xfbe1, 0x8fe5b3
+ },
+ {
+ 0xfbe2, 0x8fe5bf
+ },
+ {
+ 0xfbe3, 0x8fe5c9
+ },
+ {
+ 0xfbe4, 0x8fe5d0
+ },
+ {
+ 0xfbe5, 0x8fe5e2
+ },
+ {
+ 0xfbe6, 0x8fe5ea
+ },
+ {
+ 0xfbe7, 0x8fe5eb
+ },
+ {
+ 0xfbe8, 0x8ff4f1
+ },
+ {
+ 0xfbe9, 0x8ff4f2
+ },
+ {
+ 0xfbea, 0x8ff4f3
+ },
+ {
+ 0xfbeb, 0x8fe6e8
+ },
+ {
+ 0xfbec, 0x8fe6ef
+ },
+ {
+ 0xfbed, 0x8fe7ac
+ },
+ {
+ 0xfbee, 0x8ff4f4
+ },
+ {
+ 0xfbef, 0x8fe7ae
+ },
+ {
+ 0xfbf0, 0x8ff4f5
+ },
+ {
+ 0xfbf1, 0x8fe7b1
+ },
+ {
+ 0xfbf2, 0x8ff4f6
+ },
+ {
+ 0xfbf3, 0x8fe7b2
+ },
+ {
+ 0xfbf4, 0x8fe8b1
+ },
+ {
+ 0xfbf5, 0x8fe8b6
+ },
+ {
+ 0xfbf6, 0x8ff4f7
+ },
+ {
+ 0xfbf7, 0x8ff4f8
+ },
+ {
+ 0xfbf8, 0x8fe8dd
+ },
+ {
+ 0xfbf9, 0x8ff4f9
+ },
+ {
+ 0xfbfa, 0x8ff4fa
+ },
+ {
+ 0xfbfb, 0x8fe9d1
+ },
+ {
+ 0xfbfc, 0x8ff4fb
+ },
+ {
+ 0xfc40, 0x8fe9ed
+ },
+ {
+ 0xfc41, 0x8feacd
+ },
+ {
+ 0xfc42, 0x8ff4fc
+ },
+ {
+ 0xfc43, 0x8feadb
+ },
+ {
+ 0xfc44, 0x8feae6
+ },
+ {
+ 0xfc45, 0x8feaea
+ },
+ {
+ 0xfc46, 0x8feba5
+ },
+ {
+ 0xfc47, 0x8febfb
+ },
+ {
+ 0xfc48, 0x8febfa
+ },
+ {
+ 0xfc49, 0x8ff4fd
+ },
+ {
+ 0xfc4a, 0x8fecd6
+ },
+ {
+ 0xfc4b, 0x8ff4fe
+ },
+ {
+ 0xffff, 0xffff
+ } /* stop code */
};
/*
}
else if (c1 > 0x7f)
{
- /* JIS X0208, X0212, user defined extended
- characters */
+
+ /*
+ * JIS X0208, X0212, user defined extended characters
+ */
c2 = *sjis++;
k = (c1 << 8) + c2;
/* NEC sentei IBM kanji */
*p++ = LC_JISX0208;
*p++ = PGEUCALTCODE >> 8;
- *p++ = PGEUCALTCODE & 0xff;
+ *p++ = PGEUCALTCODE & 0xff;
}
else if (k >= 0xf040 && k < 0xf540)
{
- /* UDC1
- * mapping to X0208 85 ku - 94 ku
- * JIS code 0x7521 - 0x7e7e
- * EUC 0xf5a1 - 0xfefe
- */
+
+ /*
+ * UDC1 mapping to X0208 85 ku - 94 ku JIS code 0x7521 -
+ * 0x7e7e EUC 0xf5a1 - 0xfefe
+ */
len -= 2;
*p++ = LC_JISX0208;
c1 -= 0x6f;
}
else if (k >= 0xf540 && k < 0xfa40)
{
- /* UDC2
- * mapping to X0212 85 ku - 94 ku
- * JIS code 0x7521 - 0x7e7e
- * EUC 0x8ff5a1 - 0x8ffefe
- */
+
+ /*
+ * UDC2 mapping to X0212 85 ku - 94 ku JIS code 0x7521 -
+ * 0x7e7e EUC 0x8ff5a1 - 0x8ffefe
+ */
len -= 2;
*p++ = LC_JISX0212;
c1 -= 0x74;
}
else if (k >= 0xfa40)
{
- /* mapping IBM kanji to X0208 and X0212
+
+ /*
+ * mapping IBM kanji to X0208 and X0212
*
*/
- int i,k2;
+ int i,
+ k2;
+
len -= 2;
- for (i=0;;i++) {
- k2 = ibmkanji[i].sjis;
- if (k2 == 0xffff)
- break;
- if (k2 == k) {
- k = ibmkanji[i].euc;
- if (k >= 0x8f0000)
- {
- *p++ = LC_JISX0212;
- *p++ = 0x80 | ((k & 0xff00) >> 8);
- *p++ = 0x80 | (k & 0xff);
- } else {
- *p++ = LC_JISX0208;
- *p++ = 0x80 | (k >> 8);
- *p++ = 0x80 | (k & 0xff);
- }
- }
+ for (i = 0;; i++)
+ {
+ k2 = ibmkanji[i].sjis;
+ if (k2 == 0xffff)
+ break;
+ if (k2 == k)
+ {
+ k = ibmkanji[i].euc;
+ if (k >= 0x8f0000)
+ {
+ *p++ = LC_JISX0212;
+ *p++ = 0x80 | ((k & 0xff00) >> 8);
+ *p++ = 0x80 | (k & 0xff);
+ }
+ else
+ {
+ *p++ = LC_JISX0208;
+ *p++ = 0x80 | (k >> 8);
+ *p++ = 0x80 | (k & 0xff);
+ }
+ }
}
}
}
*p++ = ((c1 - 0xa1) >> 1) + ((c1 < 0xdf) ? 0x81 : 0xc1) + 0x6f;
}
else
- {
*p++ = ((c1 - 0xa1) >> 1) + ((c1 < 0xdf) ? 0x81 : 0xc1);
- }
*p++ = c2 - ((c1 & 1) ? ((c2 < 0xe0) ? 0x61 : 0x60) : 2);
}
else if (c1 == LC_JISX0212)
{
- int i,k2;
+ int i,
+ k2;
+
c1 = *mic++;
c2 = *mic++;
k = c1 << 8 | c2;
}
else
{
- /* IBM kanji */
- for (i=0;;i++) {
- k2 = ibmkanji[i].euc & 0xffff;
- if (k2 == 0xffff) {
- *p++ = PGSJISALTCODE >> 8;
- *p++ = PGSJISALTCODE & 0xff;
- break;
- }
- if (k2 == k) {
- k = ibmkanji[i].sjis;
- *p++ = k >> 8;
- *p++ = k & 0xff;
- break;
- }
- }
+ /* IBM kanji */
+ for (i = 0;; i++)
+ {
+ k2 = ibmkanji[i].euc & 0xffff;
+ if (k2 == 0xffff)
+ {
+ *p++ = PGSJISALTCODE >> 8;
+ *p++ = PGSJISALTCODE & 0xff;
+ break;
+ }
+ if (k2 == k)
+ {
+ k = ibmkanji[i].sjis;
+ *p++ = k >> 8;
+ *p++ = k & 0xff;
+ break;
+ }
+ }
}
}
else if (c1 > 0x7f)
{
mic2latin(mic, p, len, LC_ISO8859_4);
}
+
#ifdef NOT_USED
static void
latin52mic(unsigned char *l, unsigned char *p, int len)
mic2latin_with_table(mic, p, len, LC_ISO8859_2, iso88592_2_win1250);
}
+
/*-----------------------------------------------------------------*/
pg_encoding_conv_tbl pg_conv_tbl[] = {
#ifdef DEBUGMAIN
#include "utils/mcxt.h"
/*
- * testing for sjis2mic() and mic2sjis()
+ * testing for sjis2mic() and mic2sjis()
*/
-int main()
+int
+main()
{
- unsigned char eucbuf[1024];
- unsigned char sjisbuf[1024];
- unsigned char sjis[] = {0x81, 0x40, 0xa1, 0xf0, 0x40, 0xf0, 0x9e, 0xf5, 0x40, 0xfa, 0x40, 0xfa, 0x54, 0xfa, 0x7b, 0x00};
-
- int i;
-
- sjis2mic(sjis, eucbuf, 1024);
- for (i=0;i<1024;i++) {
- if (eucbuf[i]) {
- printf("%02x ", eucbuf[i]);
- } else {
- printf("\n");
- break;
- }
- }
-
- mic2sjis(eucbuf, sjisbuf, 1024);
- for (i=0;i<1024;i++) {
- if (sjisbuf[i]) {
- printf("%02x ", sjisbuf[i]);
- } else {
- printf("\n");
- break;
- }
- }
-
- return(0);
+ unsigned char eucbuf[1024];
+ unsigned char sjisbuf[1024];
+ unsigned char sjis[] = {0x81, 0x40, 0xa1, 0xf0, 0x40, 0xf0, 0x9e, 0xf5, 0x40, 0xfa, 0x40, 0xfa, 0x54, 0xfa, 0x7b, 0x00};
+
+ int i;
+
+ sjis2mic(sjis, eucbuf, 1024);
+ for (i = 0; i < 1024; i++)
+ {
+ if (eucbuf[i])
+ printf("%02x ", eucbuf[i]);
+ else
+ {
+ printf("\n");
+ break;
+ }
+ }
+
+ mic2sjis(eucbuf, sjisbuf, 1024);
+ for (i = 0; i < 1024; i++)
+ {
+ if (sjisbuf[i])
+ printf("%02x ", sjisbuf[i]);
+ else
+ {
+ printf("\n");
+ break;
+ }
+ }
+
+ return (0);
}
-void elog(int lev, const char *fmt,...) {};
+void
+elog(int lev, const char *fmt,...)
+{
+};
MemoryContext CurrentMemoryContext;
-Pointer MemoryContextAlloc(MemoryContext context, Size size) {};
-Pointer MemoryContextRealloc(MemoryContext context,
+Pointer
+MemoryContextAlloc(MemoryContext context, Size size)
+{
+};
+Pointer
+MemoryContextRealloc(MemoryContext context,
Pointer pointer,
- Size size) {};
-void MemoryContextFree(MemoryContext context, Pointer pointer) {};
+ Size size)
+{
+};
+void
+MemoryContextFree(MemoryContext context, Pointer pointer)
+{
+};
+
#endif
/*
* conversion functions between pg_wchar and multi-byte streams.
* Tatsuo Ishii
- * $Id: wchar.c,v 1.10 2000/01/25 02:12:27 ishii Exp $
+ * $Id: wchar.c,v 1.11 2000/04/12 17:16:06 momjian Exp $
*
* WIN1250 client encoding updated by Pavel Behal
*
{pg_latin12wchar_with_len, pg_latin1_mblen}, /* 31 */
{0, pg_sjis_mblen}, /* 32 */
{0, pg_big5_mblen}, /* 33 */
- {pg_latin12wchar_with_len, pg_latin1_mblen} /* 34 */
+ {pg_latin12wchar_with_len, pg_latin1_mblen} /* 34 */
};
/* returns the byte length of a word for mule internal code */
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/misc/Attic/database.c,v 1.36 2000/03/08 01:46:47 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/misc/Attic/database.c,v 1.37 2000/04/12 17:16:07 momjian Exp $
*
*-------------------------------------------------------------------------
*/
const char *cp;
int len;
- AssertArg(dbpath);
- Assert(DataDir);
+ AssertArg(dbpath);
+ Assert(DataDir);
if (strlen(dbpath) >= MAXPGPATH)
return NULL; /* ain't gonna fit nohow */
cp = strrchr(dbpath, SEP_CHAR);
len = cp - dbpath;
strncpy(buf, dbpath, len);
- snprintf(&buf[len], MAXPGPATH-len, "%cbase%c%s",
+ snprintf(&buf[len], MAXPGPATH - len, "%cbase%c%s",
SEP_CHAR, SEP_CHAR, (cp + 1));
#else
return NULL;
/* path delimiter somewhere? then has leading environment variable */
else if ((cp = strchr(dbpath, SEP_CHAR)) != NULL)
{
- const char *envvar;
+ const char *envvar;
len = cp - dbpath;
strncpy(buf, dbpath, len);
DataDir, SEP_CHAR, SEP_CHAR, dbpath);
}
- /* check for illegal characters in dbpath
- * these should really throw an error, shouldn't they? or else all callers
- * need to test for NULL */
- for(cp = buf; *cp; cp++)
- {
- /* The following characters will not be allowed anywhere in the database
- path. (Do not include the slash or '.' here.) */
- char illegal_dbpath_chars[] =
- "\001\002\003\004\005\006\007\010"
- "\011\012\013\014\015\016\017\020"
- "\021\022\023\024\025\026\027\030"
- "\031\032\033\034\035\036\037"
- "'`";
-
- const char *cx;
- for (cx = illegal_dbpath_chars; *cx; cx++)
- if (*cp == *cx)
- return NULL;
- /* don't allow access to parent dirs */
- if (strncmp(cp, "/../", 4) == 0 )
- return NULL ;
- }
+ /*
+ * check for illegal characters in dbpath these should really throw an
+ * error, shouldn't they? or else all callers need to test for NULL
+ */
+ for (cp = buf; *cp; cp++)
+ {
+
+ /*
+ * The following characters will not be allowed anywhere in the
+ * database path. (Do not include the slash or '.' here.)
+ */
+ char illegal_dbpath_chars[] =
+ "\001\002\003\004\005\006\007\010"
+ "\011\012\013\014\015\016\017\020"
+ "\021\022\023\024\025\026\027\030"
+ "\031\032\033\034\035\036\037"
+ "'`";
+
+ const char *cx;
+
+ for (cx = illegal_dbpath_chars; *cx; cx++)
+ if (*cp == *cx)
+ return NULL;
+ /* don't allow access to parent dirs */
+ if (strncmp(cp, "/../", 4) == 0)
+ return NULL;
+ }
return pstrdup(buf);
} /* ExpandDatabasePath() */
* the log relation by hand, too. Instead we take the
* conservative assumption that if someone tried to delete it,
* it's gone. The other side of the coin is that we might
- * accept a tuple that was stored and never committed. All in
- * all, this code is pretty shaky. We will cross-check our
+ * accept a tuple that was stored and never committed. All in
+ * all, this code is pretty shaky. We will cross-check our
* result in ReverifyMyDatabase() in postinit.c.
*
- * NOTE: if a bogus tuple in pg_database prevents connection
- * to a valid database, a fix is to connect to another database
- * and do "select * from pg_database". That should cause
+ * NOTE: if a bogus tuple in pg_database prevents connection to a
+ * valid database, a fix is to connect to another database and
+ * do "select * from pg_database". That should cause
* committed and dead tuples to be marked with correct states.
*
* XXX wouldn't it be better to let new backends read the
- * database OID from a flat file, handled the same way
- * we handle the password relation?
+ * database OID from a flat file, handled the same way we
+ * handle the password relation?
*/
if (TransactionIdIsValid((TransactionId) tup.t_data->t_xmax))
continue;
* Trace option names, must match the constants in trace_opts[].
*/
static char *opt_names[] = {
- "all", /* 0=trace some, 1=trace all, -1=trace none */
+ "all", /* 0=trace some, 1=trace all, -1=trace
+ * none */
"verbose",
"query",
"plan",
"hostlookup", /* enable hostname lookup in ps_status */
"showportnumber", /* show port number in ps_status */
- /* NUM_PG_OPTIONS */ /* must be the last item of enum */
+ /* NUM_PG_OPTIONS *//* must be the last item of enum */
};
/*
{
va_list ap;
char line[TRACEMSG_MAXLEN + TIMESTAMP_SIZE + 1];
+
#ifdef USE_SYSLOG
int log_level;
+
#endif
if ((flag == TRACE_ALL) || (pg_options[TRACE_ALL] > 0))
return 1;
}
+
#endif
/*
syslog(level, "%s", line);
}
}
+
#endif
#ifdef ELOG_TIMESTAMPS
tprintf_timestamp()
{
struct timeval tv;
- struct timezone tz = { 0, 0 };
+ struct timezone tz = {0, 0};
struct tm *time;
time_t tm;
static char timestamp[32],
sprintf(timestamp, "%02d%02d%02d.%02d:%02d:%02d.%03d %7s ",
time->tm_year % 100, time->tm_mon + 1, time->tm_mday,
time->tm_hour, time->tm_min, time->tm_sec,
- (int) (tv.tv_usec/1000), pid);
+ (int) (tv.tv_usec / 1000), pid);
return timestamp;
}
+
#endif
#ifdef NOT_USED
pg_options[flag] = value;
return value;
}
+
#endif
/*
void
show_options(void)
{
- int i;
+ int i;
- for (i=0; i<NUM_PG_OPTIONS; i++) {
+ for (i = 0; i < NUM_PG_OPTIONS; i++)
elog(NOTICE, "%s=%d", opt_names[i], pg_options[i]);
- }
}
-
+
/*
* Local variables:
* tab-width: 4
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/mmgr/aset.c,v 1.25 2000/03/08 23:42:58 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/mmgr/aset.c,v 1.26 2000/04/12 17:16:09 momjian Exp $
*
* NOTE:
* This is a new (Feb. 05, 1999) implementation of the allocation set
/*--------------------
* Chunk freelist k holds chunks of size 1 << (k + ALLOC_MINBITS),
* for k = 0 .. ALLOCSET_NUM_FREELISTS-2.
- * The last freelist holds all larger free chunks. Those chunks come in
+ * The last freelist holds all larger free chunks. Those chunks come in
* varying sizes depending on the request size, whereas smaller chunks are
* coerced to powers of 2 to improve their "recyclability".
*
Assert(chunk_size >= size);
/*
- * If there is enough room in the active allocation block, *and*
- * the chunk is less than ALLOC_BIGCHUNK_LIMIT, put the chunk
- * into the active allocation block.
+ * If there is enough room in the active allocation block, *and* the
+ * chunk is less than ALLOC_BIGCHUNK_LIMIT, put the chunk into the
+ * active allocation block.
*/
if ((block = set->blocks) != NULL)
{
if (chunk->size >= ALLOC_BIGCHUNK_LIMIT)
{
- /* Big chunks are certain to have been allocated as single-chunk
- * blocks. Find the containing block and return it to malloc().
+
+ /*
+ * Big chunks are certain to have been allocated as single-chunk
+ * blocks. Find the containing block and return it to malloc().
*/
AllocBlock block = set->blocks;
AllocBlock prevblock = NULL;
if (oldsize >= ALLOC_BIGCHUNK_LIMIT)
{
+
/*
- * If the chunk is already >= bigchunk limit, then it must have been
- * allocated as a single-chunk block. Find the containing block and
- * use realloc() to make it bigger with minimum space wastage.
+ * If the chunk is already >= bigchunk limit, then it must have
+ * been allocated as a single-chunk block. Find the containing
+ * block and use realloc() to make it bigger with minimum space
+ * wastage.
*/
AllocChunk chunk = AllocPointerGetChunk(pointer);
AllocBlock block = set->blocks;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/mmgr/Attic/oset.c,v 1.16 2000/01/26 05:57:31 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/mmgr/Attic/oset.c,v 1.17 2000/04/12 17:16:10 momjian Exp $
*
* NOTE
* XXX This is a preliminary implementation which lacks fail-fast
{
return (bool) (elem->set == set && (elem->next || elem->prev));
}
+
#endif
/*
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/mmgr/portalmem.c,v 1.35 2000/03/17 02:36:29 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/mmgr/portalmem.c,v 1.36 2000/04/12 17:16:10 momjian Exp $
*
*-------------------------------------------------------------------------
*/
{
if (strcmp(pname, VACPNAME) == 0)
return true;
- if (strcmp(pname, TRUNCPNAME) == 0)
- return true;
+ if (strcmp(pname, TRUNCPNAME) == 0)
+ return true;
return false;
}
* tuplesort.c). Merging is an ideal algorithm for tape devices, but if
* we implement it on disk by creating a separate file for each "tape",
* there is an annoying problem: the peak space usage is at least twice
- * the volume of actual data to be sorted. (This must be so because each
+ * the volume of actual data to be sorted. (This must be so because each
* datum will appear in both the input and output tapes of the final
- * merge pass. For seven-tape polyphase merge, which is otherwise a
+ * merge pass. For seven-tape polyphase merge, which is otherwise a
* pretty good algorithm, peak usage is more like 4x actual data volume.)
*
* We can work around this problem by recognizing that any one tape
* dataset (with the possible exception of the final output) is written
- * and read exactly once in a perfectly sequential manner. Therefore,
+ * and read exactly once in a perfectly sequential manner. Therefore,
* a datum once read will not be required again, and we can recycle its
* space for use by the new tape dataset(s) being generated. In this way,
* the total space usage is essentially just the actual data volume, plus
* is aborted by elog(ERROR). To avoid confusion, the caller should take
* care that all calls for a single LogicalTapeSet are made in the same
* palloc context.
- *
+ *
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/sort/logtape.c,v 1.4 2000/03/17 02:36:30 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/sort/logtape.c,v 1.5 2000/04/12 17:16:11 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* Block indexes are "long"s, so we can fit this many per indirect block.
* NB: we assume this is an exact fit!
*/
-#define BLOCKS_PER_INDIR_BLOCK ((int) (BLCKSZ / sizeof(long)))
+#define BLOCKS_PER_INDIR_BLOCK ((int) (BLCKSZ / sizeof(long)))
/*
* We use a struct like this for each active indirection level of each
typedef struct IndirectBlock
{
int nextSlot; /* next pointer slot to write or read */
- struct IndirectBlock *nextup; /* parent indirect level, or NULL if top */
- long ptrs[BLOCKS_PER_INDIR_BLOCK]; /* indexes of contained blocks */
+ struct IndirectBlock *nextup; /* parent indirect level, or NULL
+ * if top */
+ long ptrs[BLOCKS_PER_INDIR_BLOCK]; /* indexes of contained
+ * blocks */
} IndirectBlock;
/*
{
IndirectBlock *indirect; /* bottom of my indirect-block hierarchy */
bool writing; /* T while in write phase */
- bool frozen; /* T if blocks should not be freed when read */
+ bool frozen; /* T if blocks should not be freed when
+ * read */
bool dirty; /* does buffer need to be written? */
+
/*
* The total data volume in the logical tape is numFullBlocks * BLCKSZ
- * + lastBlockBytes. BUT: we do not update lastBlockBytes during writing,
- * only at completion of a write phase.
+ * + lastBlockBytes. BUT: we do not update lastBlockBytes during
+ * writing, only at completion of a write phase.
*/
long numFullBlocks; /* number of complete blocks in log tape */
- int lastBlockBytes; /* valid bytes in last (incomplete) block */
+ int lastBlockBytes; /* valid bytes in last (incomplete) block */
+
/*
* Buffer for current data block. Note we don't bother to store the
* actual file block number of the data block (during the write phase
- * it hasn't been assigned yet, and during read we don't care anymore).
- * But we do need the relative block number so we can detect end-of-tape
- * while reading.
+ * it hasn't been assigned yet, and during read we don't care
+ * anymore). But we do need the relative block number so we can detect
+ * end-of-tape while reading.
*/
- long curBlockNumber; /* this block's logical blk# within tape */
+ long curBlockNumber; /* this block's logical blk# within tape */
int pos; /* next read/write position in buffer */
int nbytes; /* total # of valid bytes in buffer */
char buffer[BLCKSZ];
*/
struct LogicalTapeSet
{
- BufFile *pfile; /* underlying file for whole tape set */
+ BufFile *pfile; /* underlying file for whole tape set */
long nFileBlocks; /* # of blocks used in underlying file */
+
/*
- * We store the numbers of recycled-and-available blocks in freeBlocks[].
- * When there are no such blocks, we extend the underlying file. Note
- * that the block numbers in freeBlocks are always in *decreasing* order,
- * so that removing the last entry gives us the lowest free block.
+ * We store the numbers of recycled-and-available blocks in
+ * freeBlocks[]. When there are no such blocks, we extend the
+ * underlying file. Note that the block numbers in freeBlocks are
+ * always in *decreasing* order, so that removing the last entry gives
+ * us the lowest free block.
*/
long *freeBlocks; /* resizable array */
int nFreeBlocks; /* # of currently free blocks */
- int freeBlocksLen; /* current allocated length of freeBlocks[] */
+ int freeBlocksLen; /* current allocated length of
+ * freeBlocks[] */
+
/*
* tapes[] is declared size 1 since C wants a fixed size, but actually
* it is of length nTapes.
static long ltsGetFreeBlock(LogicalTapeSet *lts);
static void ltsReleaseBlock(LogicalTapeSet *lts, long blocknum);
static void ltsRecordBlockNum(LogicalTapeSet *lts, IndirectBlock *indirect,
- long blocknum);
+ long blocknum);
static long ltsRewindIndirectBlock(LogicalTapeSet *lts,
- IndirectBlock *indirect,
- bool freezing);
+ IndirectBlock *indirect,
+ bool freezing);
static long ltsRewindFrozenIndirectBlock(LogicalTapeSet *lts,
- IndirectBlock *indirect);
+ IndirectBlock *indirect);
static long ltsRecallNextBlockNum(LogicalTapeSet *lts,
- IndirectBlock *indirect,
- bool frozen);
+ IndirectBlock *indirect,
+ bool frozen);
static long ltsRecallPrevBlockNum(LogicalTapeSet *lts,
- IndirectBlock *indirect);
+ IndirectBlock *indirect);
static void ltsDumpBuffer(LogicalTapeSet *lts, LogicalTape *lt);
/*
* Read a block-sized buffer from the specified block of the underlying file.
*
- * No need for an error return convention; we elog() on any error. This
+ * No need for an error return convention; we elog() on any error. This
* module should never attempt to read a block it doesn't know is there.
*/
static void
static long
ltsGetFreeBlock(LogicalTapeSet *lts)
{
- /* If there are multiple free blocks, we select the one appearing last
- * in freeBlocks[]. If there are none, assign the next block at the end
- * of the file.
+
+ /*
+ * If there are multiple free blocks, we select the one appearing last
+ * in freeBlocks[]. If there are none, assign the next block at the
+ * end of the file.
*/
if (lts->nFreeBlocks > 0)
return lts->freeBlocks[--lts->nFreeBlocks];
static void
ltsReleaseBlock(LogicalTapeSet *lts, long blocknum)
{
- int ndx;
- long *ptr;
+ int ndx;
+ long *ptr;
/*
* Enlarge freeBlocks array if full.
{
lts->freeBlocksLen *= 2;
lts->freeBlocks = (long *) repalloc(lts->freeBlocks,
- lts->freeBlocksLen * sizeof(long));
+ lts->freeBlocksLen * sizeof(long));
}
+
/*
* Insert blocknum into array, preserving decreasing order (so that
- * ltsGetFreeBlock returns the lowest available block number).
- * This could get fairly slow if there were many free blocks, but
- * we don't expect there to be very many at one time.
+ * ltsGetFreeBlock returns the lowest available block number). This
+ * could get fairly slow if there were many free blocks, but we don't
+ * expect there to be very many at one time.
*/
ndx = lts->nFreeBlocks++;
ptr = lts->freeBlocks + ndx;
{
if (indirect->nextSlot >= BLOCKS_PER_INDIR_BLOCK)
{
+
/*
* This indirect block is full, so dump it out and recursively
- * save its address in the next indirection level. Create a
- * new indirection level if there wasn't one before.
+ * save its address in the next indirection level. Create a new
+ * indirection level if there wasn't one before.
*/
- long indirblock = ltsGetFreeBlock(lts);
+ long indirblock = ltsGetFreeBlock(lts);
ltsWriteBlock(lts, indirblock, (void *) indirect->ptrs);
if (indirect->nextup == NULL)
indirect->nextup->nextup = NULL;
}
ltsRecordBlockNum(lts, indirect->nextup, indirblock);
+
/*
* Reset to fill another indirect block at this level.
*/
/*
* Reset a logical tape's indirect-block hierarchy after a write pass
- * to prepare for reading. We dump out partly-filled blocks except
+ * to prepare for reading. We dump out partly-filled blocks except
* at the top of the hierarchy, and we rewind each level to the start.
* This call returns the first data block number, or -1L if the tape
* is empty.
/* Insert sentinel if block is not full */
if (indirect->nextSlot < BLOCKS_PER_INDIR_BLOCK)
indirect->ptrs[indirect->nextSlot] = -1L;
+
/*
* If block is not topmost, write it out, and recurse to obtain
- * address of first block in this hierarchy level. Read that one in.
+ * address of first block in this hierarchy level. Read that one in.
*/
if (indirect->nextup != NULL)
{
- long indirblock = ltsGetFreeBlock(lts);
+ long indirblock = ltsGetFreeBlock(lts);
ltsWriteBlock(lts, indirblock, (void *) indirect->ptrs);
ltsRecordBlockNum(lts, indirect->nextup, indirblock);
indirblock = ltsRewindIndirectBlock(lts, indirect->nextup, freezing);
Assert(indirblock != -1L);
ltsReadBlock(lts, indirblock, (void *) indirect->ptrs);
- if (! freezing)
+ if (!freezing)
ltsReleaseBlock(lts, indirblock);
}
+
/*
* Reset my next-block pointer, and then fetch a block number if any.
*/
ltsRewindFrozenIndirectBlock(LogicalTapeSet *lts,
IndirectBlock *indirect)
{
+
/*
- * If block is not topmost, recurse to obtain
- * address of first block in this hierarchy level. Read that one in.
+ * If block is not topmost, recurse to obtain address of first block
+ * in this hierarchy level. Read that one in.
*/
if (indirect->nextup != NULL)
{
- long indirblock;
+ long indirblock;
indirblock = ltsRewindFrozenIndirectBlock(lts, indirect->nextup);
Assert(indirblock != -1L);
ltsReadBlock(lts, indirblock, (void *) indirect->ptrs);
}
+
/*
* Reset my next-block pointer, and then fetch a block number if any.
*/
if (indirect->nextSlot >= BLOCKS_PER_INDIR_BLOCK ||
indirect->ptrs[indirect->nextSlot] == -1L)
{
- long indirblock;
+ long indirblock;
if (indirect->nextup == NULL)
return -1L; /* nothing left at this level */
if (indirblock == -1L)
return -1L; /* nothing left at this level */
ltsReadBlock(lts, indirblock, (void *) indirect->ptrs);
- if (! frozen)
+ if (!frozen)
ltsReleaseBlock(lts, indirblock);
indirect->nextSlot = 0;
}
{
if (indirect->nextSlot <= 1)
{
- long indirblock;
+ long indirblock;
if (indirect->nextup == NULL)
return -1L; /* nothing left at this level */
if (indirblock == -1L)
return -1L; /* nothing left at this level */
ltsReadBlock(lts, indirblock, (void *) indirect->ptrs);
- /* The previous block would only have been written out if full,
- * so we need not search it for a -1 sentinel.
+
+ /*
+ * The previous block would only have been written out if full, so
+ * we need not search it for a -1 sentinel.
*/
- indirect->nextSlot = BLOCKS_PER_INDIR_BLOCK+1;
+ indirect->nextSlot = BLOCKS_PER_INDIR_BLOCK + 1;
}
indirect->nextSlot--;
- return indirect->ptrs[indirect->nextSlot-1];
+ return indirect->ptrs[indirect->nextSlot - 1];
}
LogicalTapeSetCreate(int ntapes)
{
LogicalTapeSet *lts;
- LogicalTape *lt;
- int i;
+ LogicalTape *lt;
+ int i;
/*
* Create top-level struct. First LogicalTape pointer is already
*/
Assert(ntapes > 0);
lts = (LogicalTapeSet *) palloc(sizeof(LogicalTapeSet) +
- (ntapes-1) * sizeof(LogicalTape *));
+ (ntapes - 1) *sizeof(LogicalTape *));
lts->pfile = BufFileCreateTemp();
lts->nFileBlocks = 0L;
lts->freeBlocksLen = 32; /* reasonable initial guess */
lts->freeBlocks = (long *) palloc(lts->freeBlocksLen * sizeof(long));
lts->nFreeBlocks = 0;
lts->nTapes = ntapes;
+
/*
* Create per-tape structs, including first-level indirect blocks.
*/
/*
* Close a logical tape set and release all resources.
*/
-void LogicalTapeSetClose(LogicalTapeSet *lts)
+void
+LogicalTapeSetClose(LogicalTapeSet *lts)
{
- LogicalTape *lt;
- IndirectBlock *ib,
- *nextib;
- int i;
+ LogicalTape *lt;
+ IndirectBlock *ib,
+ *nextib;
+ int i;
BufFileClose(lts->pfile);
for (i = 0; i < lts->nTapes; i++)
static void
ltsDumpBuffer(LogicalTapeSet *lts, LogicalTape *lt)
{
- long datablock = ltsGetFreeBlock(lts);
+ long datablock = ltsGetFreeBlock(lts);
Assert(lt->dirty);
ltsWriteBlock(lts, datablock, (void *) lt->buffer);
LogicalTapeWrite(LogicalTapeSet *lts, int tapenum,
void *ptr, size_t size)
{
- LogicalTape *lt;
- size_t nthistime;
+ LogicalTape *lt;
+ size_t nthistime;
Assert(tapenum >= 0 && tapenum < lts->nTapes);
lt = lts->tapes[tapenum];
{
/* Buffer full, dump it out */
if (lt->dirty)
- {
ltsDumpBuffer(lts, lt);
- }
else
{
/* Hmm, went directly from reading to writing? */
void
LogicalTapeRewind(LogicalTapeSet *lts, int tapenum, bool forWrite)
{
- LogicalTape *lt;
- long datablocknum;
+ LogicalTape *lt;
+ long datablocknum;
Assert(tapenum >= 0 && tapenum < lts->nTapes);
lt = lts->tapes[tapenum];
- if (! forWrite)
+ if (!forWrite)
{
if (lt->writing)
{
+
/*
* Completion of a write phase. Flush last partial data
- * block, flush any partial indirect blocks, rewind for
- * normal (destructive) read.
+ * block, flush any partial indirect blocks, rewind for normal
+ * (destructive) read.
*/
if (lt->dirty)
ltsDumpBuffer(lts, lt);
}
else
{
+
/*
* This is only OK if tape is frozen; we rewind for (another)
* read pass.
if (datablocknum != -1L)
{
ltsReadBlock(lts, datablocknum, (void *) lt->buffer);
- if (! lt->frozen)
+ if (!lt->frozen)
ltsReleaseBlock(lts, datablocknum);
lt->nbytes = (lt->curBlockNumber < lt->numFullBlocks) ?
BLCKSZ : lt->lastBlockBytes;
}
else
{
+
/*
- * Completion of a read phase. Rewind and prepare for write.
+ * Completion of a read phase. Rewind and prepare for write.
*
- * NOTE: we assume the caller has read the tape to the end;
- * otherwise untouched data and indirect blocks will not have
- * been freed. We could add more code to free any unread blocks,
- * but in current usage of this module it'd be useless code.
+ * NOTE: we assume the caller has read the tape to the end; otherwise
+ * untouched data and indirect blocks will not have been freed. We
+ * could add more code to free any unread blocks, but in current
+ * usage of this module it'd be useless code.
*/
- IndirectBlock *ib,
- *nextib;
+ IndirectBlock *ib,
+ *nextib;
- Assert(! lt->writing && ! lt->frozen);
+ Assert(!lt->writing && !lt->frozen);
/* Must truncate the indirect-block hierarchy down to one level. */
for (ib = lt->indirect->nextup; ib != NULL; ib = nextib)
{
LogicalTapeRead(LogicalTapeSet *lts, int tapenum,
void *ptr, size_t size)
{
- LogicalTape *lt;
- size_t nread = 0;
- size_t nthistime;
+ LogicalTape *lt;
+ size_t nread = 0;
+ size_t nthistime;
Assert(tapenum >= 0 && tapenum < lts->nTapes);
lt = lts->tapes[tapenum];
- Assert(! lt->writing);
+ Assert(!lt->writing);
while (size > 0)
{
if (lt->pos >= lt->nbytes)
{
/* Try to load more data into buffer. */
- long datablocknum = ltsRecallNextBlockNum(lts, lt->indirect,
- lt->frozen);
+ long datablocknum = ltsRecallNextBlockNum(lts, lt->indirect,
+ lt->frozen);
if (datablocknum == -1L)
break; /* EOF */
lt->curBlockNumber++;
lt->pos = 0;
ltsReadBlock(lts, datablocknum, (void *) lt->buffer);
- if (! lt->frozen)
+ if (!lt->frozen)
ltsReleaseBlock(lts, datablocknum);
lt->nbytes = (lt->curBlockNumber < lt->numFullBlocks) ?
BLCKSZ : lt->lastBlockBytes;
*
* This *must* be called just at the end of a write pass, before the
* tape is rewound (after rewind is too late!). It performs a rewind
- * and switch to read mode "for free". An immediately following rewind-
+ * and switch to read mode "for free". An immediately following rewind-
* for-read call is OK but not necessary.
*/
void
LogicalTapeFreeze(LogicalTapeSet *lts, int tapenum)
{
- LogicalTape *lt;
- long datablocknum;
+ LogicalTape *lt;
+ long datablocknum;
Assert(tapenum >= 0 && tapenum < lts->nTapes);
lt = lts->tapes[tapenum];
Assert(lt->writing);
/*
- * Completion of a write phase. Flush last partial data
- * block, flush any partial indirect blocks, rewind for
- * nondestructive read.
+ * Completion of a write phase. Flush last partial data block, flush
+ * any partial indirect blocks, rewind for nondestructive read.
*/
if (lt->dirty)
ltsDumpBuffer(lts, lt);
}
/*
- * Backspace the tape a given number of bytes. (We also support a more
+ * Backspace the tape a given number of bytes. (We also support a more
* general seek interface, see below.)
*
* *Only* a frozen-for-read tape can be backed up; we don't support
bool
LogicalTapeBackspace(LogicalTapeSet *lts, int tapenum, size_t size)
{
- LogicalTape *lt;
- long nblocks;
- int newpos;
+ LogicalTape *lt;
+ long nblocks;
+ int newpos;
Assert(tapenum >= 0 && tapenum < lts->nTapes);
lt = lts->tapes[tapenum];
lt->pos -= (int) size;
return true;
}
+
/*
* Not-so-easy case. Figure out whether it's possible at all.
*/
newpos = 0;
if (nblocks > lt->curBlockNumber)
return false; /* a seek too far... */
+
/*
- * OK, we need to back up nblocks blocks. This implementation
- * would be pretty inefficient for long seeks, but we really
- * aren't expecting that (a seek over one tuple is typical).
+ * OK, we need to back up nblocks blocks. This implementation would
+ * be pretty inefficient for long seeks, but we really aren't
+ * expecting that (a seek over one tuple is typical).
*/
while (nblocks-- > 0)
{
- long datablocknum = ltsRecallPrevBlockNum(lts, lt->indirect);
+ long datablocknum = ltsRecallPrevBlockNum(lts, lt->indirect);
if (datablocknum == -1L)
elog(ERROR, "LogicalTapeBackspace: unexpected end of tape");
LogicalTapeSeek(LogicalTapeSet *lts, int tapenum,
long blocknum, int offset)
{
- LogicalTape *lt;
+ LogicalTape *lt;
Assert(tapenum >= 0 && tapenum < lts->nTapes);
lt = lts->tapes[tapenum];
lt->pos = offset;
return true;
}
+
/*
* Not-so-easy case. Figure out whether it's possible at all.
*/
if (blocknum < 0 || blocknum > lt->numFullBlocks ||
(blocknum == lt->numFullBlocks && offset > lt->lastBlockBytes))
return false;
+
/*
- * OK, advance or back up to the target block. This implementation
- * would be pretty inefficient for long seeks, but we really
- * aren't expecting that (a seek over one tuple is typical).
+ * OK, advance or back up to the target block. This implementation
+ * would be pretty inefficient for long seeks, but we really aren't
+ * expecting that (a seek over one tuple is typical).
*/
while (lt->curBlockNumber > blocknum)
{
- long datablocknum = ltsRecallPrevBlockNum(lts, lt->indirect);
+ long datablocknum = ltsRecallPrevBlockNum(lts, lt->indirect);
if (datablocknum == -1L)
elog(ERROR, "LogicalTapeSeek: unexpected end of tape");
}
while (lt->curBlockNumber < blocknum)
{
- long datablocknum = ltsRecallNextBlockNum(lts, lt->indirect,
- lt->frozen);
+ long datablocknum = ltsRecallNextBlockNum(lts, lt->indirect,
+ lt->frozen);
if (datablocknum == -1L)
elog(ERROR, "LogicalTapeSeek: unexpected end of tape");
* Obtain current position in a form suitable for a later LogicalTapeSeek.
*
* NOTE: it'd be OK to do this during write phase with intention of using
- * the position for a seek after freezing. Not clear if anyone needs that.
+ * the position for a seek after freezing. Not clear if anyone needs that.
*/
void
LogicalTapeTell(LogicalTapeSet *lts, int tapenum,
long *blocknum, int *offset)
{
- LogicalTape *lt;
+ LogicalTape *lt;
Assert(tapenum >= 0 && tapenum < lts->nTapes);
lt = lts->tapes[tapenum];
* This module handles sorting of heap tuples, index tuples, or single
* Datums (and could easily support other kinds of sortable objects,
* if necessary). It works efficiently for both small and large amounts
- * of data. Small amounts are sorted in-memory using qsort(). Large
+ * of data. Small amounts are sorted in-memory using qsort(). Large
* amounts are sorted using temporary files and a standard external sort
* algorithm.
*
* no more records of the prior run are left in the heap.
*
* The (approximate) amount of memory allowed for any one sort operation
- * is given in kilobytes by the external variable SortMem. Initially,
+ * is given in kilobytes by the external variable SortMem. Initially,
* we absorb tuples and simply store them in an unsorted array as long as
* we haven't exceeded SortMem. If we reach the end of the input without
* exceeding SortMem, we sort the array using qsort() and subsequently return
* into sorted runs in temporary tapes, emitting just enough tuples at each
* step to get back within the SortMem limit. Whenever the run number at
* the top of the heap changes, we begin a new run with a new output tape
- * (selected per Algorithm D). After the end of the input is reached,
+ * (selected per Algorithm D). After the end of the input is reached,
* we dump out remaining tuples in memory into a final run (or two),
* then merge the runs using Algorithm D.
*
* access at all, defeating the read-ahead methods used by most Unix kernels.
* Worse, the output tape gets written into a very random sequence of blocks
* of the temp file, ensuring that things will be even worse when it comes
- * time to read that tape. A straightforward merge pass thus ends up doing a
+ * time to read that tape. A straightforward merge pass thus ends up doing a
* lot of waiting for disk seeks. We can improve matters by prereading from
* each source tape sequentially, loading about SortMem/M bytes from each tape
* in turn. Then we run the merge algorithm, writing but not reading until
- * one of the preloaded tuple series runs out. Then we switch back to preread
+ * one of the preloaded tuple series runs out. Then we switch back to preread
* mode, fill memory again, and repeat. This approach helps to localize both
* read and write accesses.
*
* When the caller requests random access to the sort result, we form
* the final sorted run on a logical tape which is then "frozen", so
- * that we can access it randomly. When the caller does not need random
+ * that we can access it randomly. When the caller does not need random
* access, we return from tuplesort_performsort() as soon as we are down
* to one run per logical tape. The final merge is then performed
* on-the-fly as the caller repeatedly calls tuplesort_gettuple; this
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/sort/tuplesort.c,v 1.8 2000/03/17 02:36:31 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/sort/tuplesort.c,v 1.9 2000/04/12 17:16:12 momjian Exp $
*
*-------------------------------------------------------------------------
*/
*/
typedef enum
{
- TSS_INITIAL, /* Loading tuples; still within memory limit */
- TSS_BUILDRUNS, /* Loading tuples; writing to tape */
- TSS_SORTEDINMEM, /* Sort completed entirely in memory */
- TSS_SORTEDONTAPE, /* Sort completed, final run is on tape */
- TSS_FINALMERGE /* Performing final merge on-the-fly */
+ TSS_INITIAL, /* Loading tuples; still within memory
+ * limit */
+ TSS_BUILDRUNS, /* Loading tuples; writing to tape */
+ TSS_SORTEDINMEM, /* Sort completed entirely in memory */
+ TSS_SORTEDONTAPE, /* Sort completed, final run is on tape */
+ TSS_FINALMERGE /* Performing final merge on-the-fly */
} TupSortStatus;
/*
* We use a seven-tape polyphase merge, which is the "sweet spot" on the
* tapes-to-passes curve according to Knuth's figure 70 (section 5.4.2).
*/
-#define MAXTAPES 7 /* Knuth's T */
+#define MAXTAPES 7 /* Knuth's T */
#define TAPERANGE (MAXTAPES-1) /* Knuth's P */
/*
TupSortStatus status; /* enumerated value as shown above */
bool randomAccess; /* did caller request random access? */
long availMem; /* remaining memory available, in bytes */
- LogicalTapeSet *tapeset; /* logtape.c object for tapes in a temp file */
+ LogicalTapeSet *tapeset; /* logtape.c object for tapes in a temp
+ * file */
/*
- * These function pointers decouple the routines that must know what kind
- * of tuple we are sorting from the routines that don't need to know it.
- * They are set up by the tuplesort_begin_xxx routines.
+ * These function pointers decouple the routines that must know what
+ * kind of tuple we are sorting from the routines that don't need to
+ * know it. They are set up by the tuplesort_begin_xxx routines.
*
- * Function to compare two tuples; result is per qsort() convention,
- * ie, <0, 0, >0 according as a<b, a=b, a>b.
+ * Function to compare two tuples; result is per qsort() convention, ie,
+ * <0, 0, >0 according as a<b, a=b, a>b.
*/
- int (*comparetup) (Tuplesortstate *state, const void *a, const void *b);
+ int (*comparetup) (Tuplesortstate *state, const void *a, const void *b);
+
/*
- * Function to copy a supplied input tuple into palloc'd space.
- * (NB: we assume that a single pfree() is enough to release the tuple
+ * Function to copy a supplied input tuple into palloc'd space. (NB:
+ * we assume that a single pfree() is enough to release the tuple
* later, so the representation must be "flat" in one palloc chunk.)
* state->availMem must be decreased by the amount of space used.
*/
- void * (*copytup) (Tuplesortstate *state, void *tup);
+ void *(*copytup) (Tuplesortstate *state, void *tup);
+
/*
- * Function to write a stored tuple onto tape. The representation of
- * the tuple on tape need not be the same as it is in memory; requirements
- * on the tape representation are given below. After writing the tuple,
- * pfree() it, and increase state->availMem by the amount of memory space
- * thereby released.
+ * Function to write a stored tuple onto tape. The representation of
+ * the tuple on tape need not be the same as it is in memory;
+ * requirements on the tape representation are given below. After
+ * writing the tuple, pfree() it, and increase state->availMem by the
+ * amount of memory space thereby released.
*/
- void (*writetup) (Tuplesortstate *state, int tapenum, void *tup);
+ void (*writetup) (Tuplesortstate *state, int tapenum, void *tup);
+
/*
- * Function to read a stored tuple from tape back into memory.
- * 'len' is the already-read length of the stored tuple. Create and
- * return a palloc'd copy, and decrease state->availMem by the amount
- * of memory space consumed.
+ * Function to read a stored tuple from tape back into memory. 'len'
+ * is the already-read length of the stored tuple. Create and return
+ * a palloc'd copy, and decrease state->availMem by the amount of
+ * memory space consumed.
*/
- void * (*readtup) (Tuplesortstate *state, int tapenum, unsigned int len);
+ void *(*readtup) (Tuplesortstate *state, int tapenum, unsigned int len);
+
/*
- * Obtain memory space occupied by a stored tuple. (This routine is
+ * Obtain memory space occupied by a stored tuple. (This routine is
* only needed in the FINALMERGE case, since copytup, writetup, and
* readtup are expected to adjust availMem appropriately.)
*/
unsigned int (*tuplesize) (Tuplesortstate *state, void *tup);
/*
- * This array holds pointers to tuples in sort memory. If we are in
+ * This array holds pointers to tuples in sort memory. If we are in
* state INITIAL, the tuples are in no particular order; if we are in
* state SORTEDINMEM, the tuples are in final sorted order; in states
* BUILDRUNS and FINALMERGE, the tuples are organized in "heap" order
- * per Algorithm H. (Note that memtupcount only counts the tuples that
- * are part of the heap --- during merge passes, memtuples[] entries
- * beyond TAPERANGE are never in the heap and are used to hold
+ * per Algorithm H. (Note that memtupcount only counts the tuples
+ * that are part of the heap --- during merge passes, memtuples[]
+ * entries beyond TAPERANGE are never in the heap and are used to hold
* pre-read tuples.) In state SORTEDONTAPE, the array is not used.
*/
void **memtuples; /* array of pointers to palloc'd tuples */
int memtupsize; /* allocated length of memtuples array */
/*
- * While building initial runs, this array holds the run number for each
- * tuple in memtuples[]. During merge passes, we re-use it to hold the
- * input tape number that each tuple in the heap was read from, or to hold
- * the index of the next tuple pre-read from the same tape in the case of
- * pre-read entries. This array is never allocated unless we need to use
- * tapes. Whenever it is allocated, it has the same length as
- * memtuples[].
+ * While building initial runs, this array holds the run number for
+ * each tuple in memtuples[]. During merge passes, we re-use it to
+ * hold the input tape number that each tuple in the heap was read
+ * from, or to hold the index of the next tuple pre-read from the same
+ * tape in the case of pre-read entries. This array is never
+ * allocated unless we need to use tapes. Whenever it is allocated,
+ * it has the same length as memtuples[].
*/
- int *memtupindex; /* index value associated with memtuples[i] */
+ int *memtupindex; /* index value associated with
+ * memtuples[i] */
/*
* While building initial runs, this is the current output run number
- * (starting at 0). Afterwards, it is the number of initial runs we made.
+ * (starting at 0). Afterwards, it is the number of initial runs we
+ * made.
*/
int currentRun;
* index of the next pre-read tuple (next to be loaded into the heap)
* for tape i, or 0 if we are out of pre-read tuples. mergelast[i]
* similarly points to the last pre-read tuple from each tape.
- * mergeavailmem[i] is the amount of unused space allocated for tape i.
- * mergefreelist and mergefirstfree keep track of unused locations
+ * mergeavailmem[i] is the amount of unused space allocated for tape
+ * i. mergefreelist and mergefirstfree keep track of unused locations
* in the memtuples[] array. memtupindex[] links together pre-read
- * tuples for each tape as well as recycled locations in mergefreelist.
- * It is OK to use 0 as a null link in these lists, because memtuples[0]
- * is part of the merge heap and is never a pre-read tuple.
+ * tuples for each tape as well as recycled locations in
+ * mergefreelist. It is OK to use 0 as a null link in these lists,
+ * because memtuples[0] is part of the merge heap and is never a
+ * pre-read tuple.
*/
- bool mergeactive[MAXTAPES]; /* Active input run source? */
- int mergenext[MAXTAPES]; /* first preread tuple for each source */
- int mergelast[MAXTAPES]; /* last preread tuple for each source */
- long mergeavailmem[MAXTAPES]; /* availMem for prereading tapes */
+ bool mergeactive[MAXTAPES]; /* Active input run source? */
+ int mergenext[MAXTAPES]; /* first preread tuple for each
+ * source */
+ int mergelast[MAXTAPES]; /* last preread tuple for each
+ * source */
+ long mergeavailmem[MAXTAPES]; /* availMem for prereading
+ * tapes */
long spacePerTape; /* actual per-tape target usage */
int mergefreelist; /* head of freelist of recycled slots */
- int mergefirstfree; /* first slot never used in this merge */
+ int mergefirstfree; /* first slot never used in this merge */
/*
* Variables for Algorithm D. Note that destTape is a "logical" tape
*/
int Level; /* Knuth's l */
int destTape; /* current output tape (Knuth's j, less 1) */
- int tp_fib[MAXTAPES]; /* Target Fibonacci run counts (A[]) */
- int tp_runs[MAXTAPES]; /* # of real runs on each tape */
- int tp_dummy[MAXTAPES]; /* # of dummy runs for each tape (D[]) */
- int tp_tapenum[MAXTAPES]; /* Actual tape numbers (TAPE[]) */
+ int tp_fib[MAXTAPES]; /* Target Fibonacci run counts
+ * (A[]) */
+ int tp_runs[MAXTAPES]; /* # of real runs on each tape */
+ int tp_dummy[MAXTAPES]; /* # of dummy runs for each tape
+ * (D[]) */
+ int tp_tapenum[MAXTAPES]; /* Actual tape numbers (TAPE[]) */
/*
* These variables are used after completion of sorting to keep track
/* markpos_xxx holds marked position for mark and restore */
long markpos_block; /* tape block# (only used if SORTEDONTAPE) */
- int markpos_offset; /* saved "current", or offset in tape block */
+ int markpos_offset; /* saved "current", or offset in tape
+ * block */
bool markpos_eof; /* saved "eof_reached" */
/*
- * These variables are specific to the HeapTuple case; they are set
- * by tuplesort_begin_heap and used only by the HeapTuple routines.
+ * These variables are specific to the HeapTuple case; they are set by
+ * tuplesort_begin_heap and used only by the HeapTuple routines.
*/
TupleDesc tupDesc;
int nKeys;
bool enforceUnique; /* complain if we find duplicate tuples */
/*
- * These variables are specific to the Datum case; they are set
- * by tuplesort_begin_datum and used only by the DatumTuple routines.
+ * These variables are specific to the Datum case; they are set by
+ * tuplesort_begin_datum and used only by the DatumTuple routines.
*/
Oid datumType;
Oid sortOperator;
#define COMPARETUP(state,a,b) ((*(state)->comparetup) (state, a, b))
#define COPYTUP(state,tup) ((*(state)->copytup) (state, tup))
#define WRITETUP(state,tape,tup) ((*(state)->writetup) (state, tape, tup))
-#define READTUP(state,tape,len) ((*(state)->readtup) (state, tape, len))
+#define READTUP(state,tape,len) ((*(state)->readtup) (state, tape, len))
#define TUPLESIZE(state,tup) ((*(state)->tuplesize) (state, tup))
#define LACKMEM(state) ((state)->availMem < 0)
#define USEMEM(state,amt) ((state)->availMem -= (amt))
* If state->randomAccess is true, then the stored representation of the
* tuple must be followed by another "unsigned int" that is a copy of the
* length --- so the total tape space used is actually sizeof(unsigned int)
- * more than the stored length value. This allows read-backwards. When
+ * more than the stored length value. This allows read-backwards. When
* randomAccess is not true, the write/read routines may omit the extra
* length word.
*
* the back length word (if present).
*
* The write/read routines can make use of the tuple description data
- * stored in the Tuplesortstate record, if needed. They are also expected
+ * stored in the Tuplesortstate record, if needed. They are also expected
* to adjust state->availMem by the amount of memory space (not tape space!)
* released or consumed. There is no error return from either writetup
* or readtup; they should elog() on failure.
* We count space requested for tuples against the SortMem limit.
* Fixed-size space (primarily the LogicalTapeSet I/O buffers) is not
* counted, nor do we count the variable-size memtuples and memtupindex
- * arrays. (Even though those could grow pretty large, they should be
+ * arrays. (Even though those could grow pretty large, they should be
* small compared to the tuples proper, so this is not unreasonable.)
*
* The major deficiency in this approach is that it ignores palloc overhead.
static void mergepreread(Tuplesortstate *state);
static void dumptuples(Tuplesortstate *state, bool alltuples);
static void tuplesort_heap_insert(Tuplesortstate *state, void *tuple,
- int tupleindex, bool checkIndex);
+ int tupleindex, bool checkIndex);
static void tuplesort_heap_siftup(Tuplesortstate *state, bool checkIndex);
static unsigned int getlen(Tuplesortstate *state, int tapenum, bool eofOK);
static void markrunend(Tuplesortstate *state, int tapenum);
-static int qsort_comparetup(const void *a, const void *b);
+static int qsort_comparetup(const void *a, const void *b);
static int comparetup_heap(Tuplesortstate *state,
- const void *a, const void *b);
+ const void *a, const void *b);
static void *copytup_heap(Tuplesortstate *state, void *tup);
static void writetup_heap(Tuplesortstate *state, int tapenum, void *tup);
static void *readtup_heap(Tuplesortstate *state, int tapenum,
- unsigned int len);
+ unsigned int len);
static unsigned int tuplesize_heap(Tuplesortstate *state, void *tup);
static int comparetup_index(Tuplesortstate *state,
- const void *a, const void *b);
+ const void *a, const void *b);
static void *copytup_index(Tuplesortstate *state, void *tup);
static void writetup_index(Tuplesortstate *state, int tapenum, void *tup);
static void *readtup_index(Tuplesortstate *state, int tapenum,
- unsigned int len);
+ unsigned int len);
static unsigned int tuplesize_index(Tuplesortstate *state, void *tup);
static int comparetup_datum(Tuplesortstate *state,
- const void *a, const void *b);
+ const void *a, const void *b);
static void *copytup_datum(Tuplesortstate *state, void *tup);
static void writetup_datum(Tuplesortstate *state, int tapenum, void *tup);
static void *readtup_datum(Tuplesortstate *state, int tapenum,
- unsigned int len);
+ unsigned int len);
static unsigned int tuplesize_datum(Tuplesortstate *state, void *tup);
/*
* Since qsort(3) will not pass any context info to qsort_comparetup(),
* we have to use this ugly static variable. It is set to point to the
- * active Tuplesortstate object just before calling qsort. It should
+ * active Tuplesortstate object just before calling qsort. It should
* not be used directly by anything except qsort_comparetup().
*/
static Tuplesortstate *qsort_tuplesortstate;
*
* After calling tuplesort_begin, the caller should call tuplesort_puttuple
* zero or more times, then call tuplesort_performsort when all the tuples
- * have been supplied. After performsort, retrieve the tuples in sorted
+ * have been supplied. After performsort, retrieve the tuples in sorted
* order by calling tuplesort_gettuple until it returns NULL. (If random
* access was requested, rescan, markpos, and restorepos can also be called.)
* For Datum sorts, putdatum/getdatum are used instead of puttuple/gettuple.
/* Algorithm D variables will be initialized by inittapes, if needed */
- state->result_tape = -1; /* flag that result tape has not been formed */
+ state->result_tape = -1; /* flag that result tape has not been
+ * formed */
return state;
}
bool randomAccess)
{
Tuplesortstate *state = tuplesort_begin_common(randomAccess);
- Type typeInfo;
+ Type typeInfo;
state->comparetup = comparetup_datum;
state->copytup = copytup_datum;
void
tuplesort_end(Tuplesortstate *state)
{
- int i;
+ int i;
if (state->tapeset)
LogicalTapeSetClose(state->tapeset);
void
tuplesort_puttuple(Tuplesortstate *state, void *tuple)
{
+
/*
* Copy the given tuple into memory we control, and decrease availMem.
* Then call the code shared with the Datum case.
void
tuplesort_putdatum(Tuplesortstate *state, Datum val, bool isNull)
{
- DatumTuple *tuple;
+ DatumTuple *tuple;
/*
* Build pseudo-tuple carrying the datum, and decrease availMem.
}
else
{
- int datalen = state->datumTypeLen;
- int tuplelen;
- char *newVal;
+ int datalen = state->datumTypeLen;
+ int tuplelen;
+ char *newVal;
if (datalen == -1) /* variable length type? */
datalen = VARSIZE((struct varlena *) DatumGetPointer(val));
{
switch (state->status)
{
- case TSS_INITIAL:
+ case TSS_INITIAL:
+
/*
* Save the copied tuple into the unsorted array.
*/
state->memtupsize * sizeof(void *));
}
state->memtuples[state->memtupcount++] = tuple;
+
/*
* Done if we still fit in available memory.
*/
- if (! LACKMEM(state))
+ if (!LACKMEM(state))
return;
+
/*
* Nope; time to switch to tape-based operation.
*/
inittapes(state);
+
/*
* Dump tuples until we are back under the limit.
*/
dumptuples(state, false);
break;
case TSS_BUILDRUNS:
+
/*
* Insert the copied tuple into the heap, with run number
* currentRun if it can go into the current run, else run
* number currentRun+1. The tuple can go into the current run
- * if it is >= the first not-yet-output tuple. (Actually,
- * it could go into the current run if it is >= the most recently
+ * if it is >= the first not-yet-output tuple. (Actually, it
+ * could go into the current run if it is >= the most recently
* output tuple ... but that would require keeping around the
- * tuple we last output, and it's simplest to let writetup free
- * each tuple as soon as it's written.)
+ * tuple we last output, and it's simplest to let writetup
+ * free each tuple as soon as it's written.)
*
- * Note there will always be at least one tuple in the heap
- * at this point; see dumptuples.
+ * Note there will always be at least one tuple in the heap at
+ * this point; see dumptuples.
*/
Assert(state->memtupcount > 0);
if (COMPARETUP(state, tuple, state->memtuples[0]) >= 0)
tuplesort_heap_insert(state, tuple, state->currentRun, true);
else
- tuplesort_heap_insert(state, tuple, state->currentRun+1, true);
+ tuplesort_heap_insert(state, tuple, state->currentRun + 1, true);
+
/*
- * If we are over the memory limit, dump tuples till we're under.
+ * If we are over the memory limit, dump tuples till we're
+ * under.
*/
dumptuples(state, false);
break;
{
switch (state->status)
{
- case TSS_INITIAL:
+ case TSS_INITIAL:
+
/*
* We were able to accumulate all the tuples within the
* allowed amount of memory. Just qsort 'em and we're done.
state->status = TSS_SORTEDINMEM;
break;
case TSS_BUILDRUNS:
+
/*
- * Finish tape-based sort. First, flush all tuples remaining
+ * Finish tape-based sort. First, flush all tuples remaining
* in memory out to tape; then merge until we have a single
* remaining run (or, if !randomAccess, one run per tape).
* Note that mergeruns sets the correct state->status.
/*
* Fetch the next tuple in either forward or back direction.
- * Returns NULL if no more tuples. If should_free is set, the
+ * Returns NULL if no more tuples. If should_free is set, the
* caller must pfree the returned tuple when done with it.
*/
void *
tuplesort_gettuple(Tuplesortstate *state, bool forward,
bool *should_free)
{
- unsigned int tuplen;
- void *tup;
+ unsigned int tuplen;
+ void *tup;
switch (state->status)
{
{
if (state->current <= 0)
return NULL;
+
/*
- * if all tuples are fetched already then we return last tuple,
- * else - tuple before last returned.
+ * if all tuples are fetched already then we return last
+ * tuple, else - tuple before last returned.
*/
if (state->eof_reached)
state->eof_reached = false;
else
{
- state->current--; /* last returned tuple */
+ state->current--; /* last returned tuple */
if (state->current <= 0)
return NULL;
}
return NULL;
}
}
- /* Backward.
+
+ /*
+ * Backward.
*
* if all tuples are fetched already then we return last tuple,
* else - tuple before last returned.
*/
if (state->eof_reached)
{
+
/*
- * Seek position is pointing just past the zero tuplen
- * at the end of file; back up to fetch last tuple's ending
- * length word. If seek fails we must have a completely empty
- * file.
+ * Seek position is pointing just past the zero tuplen at
+ * the end of file; back up to fetch last tuple's ending
+ * length word. If seek fails we must have a completely
+ * empty file.
*/
- if (! LogicalTapeBackspace(state->tapeset,
- state->result_tape,
- 2 * sizeof(unsigned int)))
+ if (!LogicalTapeBackspace(state->tapeset,
+ state->result_tape,
+ 2 * sizeof(unsigned int)))
return NULL;
state->eof_reached = false;
}
else
{
+
/*
- * Back up and fetch previously-returned tuple's ending length
- * word. If seek fails, assume we are at start of file.
+ * Back up and fetch previously-returned tuple's ending
+ * length word. If seek fails, assume we are at start of
+ * file.
*/
- if (! LogicalTapeBackspace(state->tapeset,
- state->result_tape,
- sizeof(unsigned int)))
+ if (!LogicalTapeBackspace(state->tapeset,
+ state->result_tape,
+ sizeof(unsigned int)))
return NULL;
tuplen = getlen(state, state->result_tape, false);
+
/*
* Back up to get ending length word of tuple before it.
*/
- if (! LogicalTapeBackspace(state->tapeset,
- state->result_tape,
- tuplen + 2 * sizeof(unsigned int)))
+ if (!LogicalTapeBackspace(state->tapeset,
+ state->result_tape,
+ tuplen + 2 * sizeof(unsigned int)))
{
- /* If that fails, presumably the prev tuple is the first
- * in the file. Back up so that it becomes next to read
- * in forward direction (not obviously right, but that is
- * what in-memory case does).
+
+ /*
+ * If that fails, presumably the prev tuple is the
+ * first in the file. Back up so that it becomes next
+ * to read in forward direction (not obviously right,
+ * but that is what in-memory case does).
*/
- if (! LogicalTapeBackspace(state->tapeset,
- state->result_tape,
- tuplen + sizeof(unsigned int)))
+ if (!LogicalTapeBackspace(state->tapeset,
+ state->result_tape,
+ tuplen + sizeof(unsigned int)))
elog(ERROR, "tuplesort_gettuple: bogus tuple len in backward scan");
return NULL;
}
}
tuplen = getlen(state, state->result_tape, false);
+
/*
- * Now we have the length of the prior tuple, back up and read it.
- * Note: READTUP expects we are positioned after the initial
- * length word of the tuple, so back up to that point.
+ * Now we have the length of the prior tuple, back up and read
+ * it. Note: READTUP expects we are positioned after the
+ * initial length word of the tuple, so back up to that point.
*/
- if (! LogicalTapeBackspace(state->tapeset,
- state->result_tape,
- tuplen))
+ if (!LogicalTapeBackspace(state->tapeset,
+ state->result_tape,
+ tuplen))
elog(ERROR, "tuplesort_gettuple: bogus tuple len in backward scan");
tup = READTUP(state, state->result_tape, tuplen);
return tup;
case TSS_FINALMERGE:
Assert(forward);
*should_free = true;
+
/*
* This code should match the inner loop of mergeonerun().
*/
if (state->memtupcount > 0)
{
- int srcTape = state->memtupindex[0];
- unsigned int tuplen;
- int tupIndex;
- void *newtup;
+ int srcTape = state->memtupindex[0];
+ unsigned int tuplen;
+ int tupIndex;
+ void *newtup;
tup = state->memtuples[0];
/* returned tuple is no longer counted in our memory space */
tuplesort_heap_siftup(state, false);
if ((tupIndex = state->mergenext[srcTape]) == 0)
{
- /* out of preloaded data on this tape, try to read more */
+
+ /*
+ * out of preloaded data on this tape, try to read
+ * more
+ */
mergepreread(state);
- /* if still no data, we've reached end of run on this tape */
+
+ /*
+ * if still no data, we've reached end of run on this
+ * tape
+ */
if ((tupIndex = state->mergenext[srcTape]) == 0)
return tup;
}
tuplesort_getdatum(Tuplesortstate *state, bool forward,
Datum *val, bool *isNull)
{
- DatumTuple *tuple;
- bool should_free;
+ DatumTuple *tuple;
+ bool should_free;
tuple = (DatumTuple *) tuplesort_gettuple(state, forward, &should_free);
}
else
{
- int datalen = state->datumTypeLen;
- char *newVal;
+ int datalen = state->datumTypeLen;
+ char *newVal;
if (datalen == -1) /* variable length type? */
datalen = VARSIZE((struct varlena *) DatumGetPointer(tuple->val));
state->memtupindex = (int *) palloc(state->memtupsize * sizeof(int));
/*
- * Convert the unsorted contents of memtuples[] into a heap.
- * Each tuple is marked as belonging to run number zero.
+ * Convert the unsorted contents of memtuples[] into a heap. Each
+ * tuple is marked as belonging to run number zero.
*
- * NOTE: we pass false for checkIndex since there's no point in
- * comparing indexes in this step, even though we do intend the
- * indexes to be part of the sort key...
+ * NOTE: we pass false for checkIndex since there's no point in comparing
+ * indexes in this step, even though we do intend the indexes to be
+ * part of the sort key...
*/
ntuples = state->memtupcount;
- state->memtupcount = 0; /* make the heap empty */
+ state->memtupcount = 0; /* make the heap empty */
for (j = 0; j < ntuples; j++)
tuplesort_heap_insert(state, state->memtuples[j], 0, false);
Assert(state->memtupcount == ntuples);
static void
selectnewtape(Tuplesortstate *state)
{
- int j;
- int a;
+ int j;
+ int a;
/* Step D3: advance j (destTape) */
- if (state->tp_dummy[state->destTape] < state->tp_dummy[state->destTape+1])
+ if (state->tp_dummy[state->destTape] < state->tp_dummy[state->destTape + 1])
{
state->destTape++;
return;
a = state->tp_fib[0];
for (j = 0; j < TAPERANGE; j++)
{
- state->tp_dummy[j] = a + state->tp_fib[j+1] - state->tp_fib[j];
- state->tp_fib[j] = a + state->tp_fib[j+1];
+ state->tp_dummy[j] = a + state->tp_fib[j + 1] - state->tp_fib[j];
+ state->tp_fib[j] = a + state->tp_fib[j + 1];
}
state->destTape = 0;
}
static void
mergeruns(Tuplesortstate *state)
{
- int tapenum,
- svTape,
- svRuns,
- svDummy;
+ int tapenum,
+ svTape,
+ svRuns,
+ svDummy;
Assert(state->status == TSS_BUILDRUNS);
Assert(state->memtupcount == 0);
+
/*
- * If we produced only one initial run (quite likely if the total
- * data volume is between 1X and 2X SortMem), we can just use that
- * tape as the finished output, rather than doing a useless merge.
+ * If we produced only one initial run (quite likely if the total data
+ * volume is between 1X and 2X SortMem), we can just use that tape as
+ * the finished output, rather than doing a useless merge.
*/
if (state->currentRun == 1)
{
for (;;)
{
/* Step D5: merge runs onto tape[T] until tape[P] is empty */
- while (state->tp_runs[TAPERANGE-1] || state->tp_dummy[TAPERANGE-1])
+ while (state->tp_runs[TAPERANGE - 1] || state->tp_dummy[TAPERANGE - 1])
{
- bool allDummy = true;
- bool allOneRun = true;
+ bool allDummy = true;
+ bool allOneRun = true;
for (tapenum = 0; tapenum < TAPERANGE; tapenum++)
{
if (state->tp_runs[tapenum] + state->tp_dummy[tapenum] != 1)
allOneRun = false;
}
+
/*
* If we don't have to produce a materialized sorted tape,
* quit as soon as we're down to one real/dummy run per tape.
*/
- if (! state->randomAccess && allOneRun)
+ if (!state->randomAccess && allOneRun)
{
- Assert(! allDummy);
+ Assert(!allDummy);
/* Initialize for the final merge pass */
beginmerge(state);
state->status = TSS_FINALMERGE;
return;
}
if (allDummy)
- {
+ {
state->tp_dummy[TAPERANGE]++;
for (tapenum = 0; tapenum < TAPERANGE; tapenum++)
state->tp_dummy[tapenum]--;
}
else
- {
mergeonerun(state);
- }
}
/* Step D6: decrease level */
if (--state->Level == 0)
LogicalTapeRewind(state->tapeset, state->tp_tapenum[TAPERANGE],
false);
/* rewind used-up input tape P, and prepare it for write pass */
- LogicalTapeRewind(state->tapeset, state->tp_tapenum[TAPERANGE-1],
+ LogicalTapeRewind(state->tapeset, state->tp_tapenum[TAPERANGE - 1],
true);
- state->tp_runs[TAPERANGE-1] = 0;
- /* reassign tape units per step D6; note we no longer care about A[] */
+ state->tp_runs[TAPERANGE - 1] = 0;
+
+ /*
+ * reassign tape units per step D6; note we no longer care about
+ * A[]
+ */
svTape = state->tp_tapenum[TAPERANGE];
svDummy = state->tp_dummy[TAPERANGE];
svRuns = state->tp_runs[TAPERANGE];
for (tapenum = TAPERANGE; tapenum > 0; tapenum--)
{
- state->tp_tapenum[tapenum] = state->tp_tapenum[tapenum-1];
- state->tp_dummy[tapenum] = state->tp_dummy[tapenum-1];
- state->tp_runs[tapenum] = state->tp_runs[tapenum-1];
+ state->tp_tapenum[tapenum] = state->tp_tapenum[tapenum - 1];
+ state->tp_dummy[tapenum] = state->tp_dummy[tapenum - 1];
+ state->tp_runs[tapenum] = state->tp_runs[tapenum - 1];
}
state->tp_tapenum[0] = svTape;
state->tp_dummy[0] = svDummy;
state->tp_runs[0] = svRuns;
}
+
/*
- * Done. Knuth says that the result is on TAPE[1], but since we exited
- * the loop without performing the last iteration of step D6, we have not
- * rearranged the tape unit assignment, and therefore the result is on
- * TAPE[T]. We need to do it this way so that we can freeze the final
- * output tape while rewinding it. The last iteration of step D6 would
- * be a waste of cycles anyway...
+ * Done. Knuth says that the result is on TAPE[1], but since we
+ * exited the loop without performing the last iteration of step D6,
+ * we have not rearranged the tape unit assignment, and therefore the
+ * result is on TAPE[T]. We need to do it this way so that we can
+ * freeze the final output tape while rewinding it. The last
+ * iteration of step D6 would be a waste of cycles anyway...
*/
state->result_tape = state->tp_tapenum[TAPERANGE];
LogicalTapeFreeze(state->tapeset, state->result_tape);
static void
mergeonerun(Tuplesortstate *state)
{
- int destTape = state->tp_tapenum[TAPERANGE];
- int srcTape;
- int tupIndex;
- void *tup;
- long priorAvail,
- spaceFreed;
+ int destTape = state->tp_tapenum[TAPERANGE];
+ int srcTape;
+ int tupIndex;
+ void *tup;
+ long priorAvail,
+ spaceFreed;
/*
* Start the merge by loading one tuple from each active source tape
- * into the heap. We can also decrease the input run/dummy run counts.
+ * into the heap. We can also decrease the input run/dummy run
+ * counts.
*/
beginmerge(state);
/*
* Execute merge by repeatedly extracting lowest tuple in heap,
- * writing it out, and replacing it with next tuple from same tape
- * (if there is another one).
+ * writing it out, and replacing it with next tuple from same tape (if
+ * there is another one).
*/
while (state->memtupcount > 0)
{
state->mergefreelist = tupIndex;
tuplesort_heap_insert(state, tup, srcTape, false);
}
+
/*
- * When the heap empties, we're done. Write an end-of-run marker
- * on the output tape, and increment its count of real runs.
+ * When the heap empties, we're done. Write an end-of-run marker on
+ * the output tape, and increment its count of real runs.
*/
markrunend(state, destTape);
state->tp_runs[TAPERANGE]++;
* beginmerge - initialize for a merge pass
*
* We decrease the counts of real and dummy runs for each tape, and mark
- * which tapes contain active input runs in mergeactive[]. Then, load
+ * which tapes contain active input runs in mergeactive[]. Then, load
* as many tuples as we can from each active input tape, and finally
* fill the merge heap with the first tuple from each active tape.
*/
static void
beginmerge(Tuplesortstate *state)
{
- int activeTapes;
- int tapenum;
- int srcTape;
+ int activeTapes;
+ int tapenum;
+ int srcTape;
/* Heap should be empty here */
Assert(state->memtupcount == 0);
memset(state->mergelast, 0, sizeof(state->mergelast));
memset(state->mergeavailmem, 0, sizeof(state->mergeavailmem));
state->mergefreelist = 0; /* nothing in the freelist */
- state->mergefirstfree = MAXTAPES; /* first slot available for preread */
+ state->mergefirstfree = MAXTAPES; /* first slot available for
+ * preread */
/* Adjust run counts and mark the active tapes */
activeTapes = 0;
for (tapenum = 0; tapenum < TAPERANGE; tapenum++)
{
if (state->tp_dummy[tapenum] > 0)
- {
state->tp_dummy[tapenum]--;
- }
else
{
Assert(state->tp_runs[tapenum] > 0);
}
/*
- * Initialize space allocation to let each active input tape have
- * an equal share of preread space.
+ * Initialize space allocation to let each active input tape have an
+ * equal share of preread space.
*/
Assert(activeTapes > 0);
state->spacePerTape = state->availMem / activeTapes;
* This routine exists to improve sequentiality of reads during a merge pass,
* as explained in the header comments of this file. Load tuples from each
* active source tape until the tape's run is exhausted or it has used up
- * its fair share of available memory. In any case, we guarantee that there
+ * its fair share of available memory. In any case, we guarantee that there
* is at one preread tuple available from each unexhausted input tape.
*/
static void
mergepreread(Tuplesortstate *state)
{
- int srcTape;
- unsigned int tuplen;
- void *tup;
- int tupIndex;
- long priorAvail,
- spaceUsed;
+ int srcTape;
+ unsigned int tuplen;
+ void *tup;
+ int tupIndex;
+ long priorAvail,
+ spaceUsed;
for (srcTape = 0; srcTape < MAXTAPES; srcTape++)
{
- if (! state->mergeactive[srcTape])
+ if (!state->mergeactive[srcTape])
continue;
+
/*
- * Skip reading from any tape that still has at least half
- * of its target memory filled with tuples (threshold fraction
- * may need adjustment?). This avoids reading just a few tuples
- * when the incoming runs are not being consumed evenly.
+ * Skip reading from any tape that still has at least half of its
+ * target memory filled with tuples (threshold fraction may need
+ * adjustment?). This avoids reading just a few tuples when the
+ * incoming runs are not being consumed evenly.
*/
if (state->mergenext[srcTape] != 0 &&
state->mergeavailmem[srcTape] <= state->spacePerTape / 2)
continue;
+
/*
- * Read tuples from this tape until it has used up its free memory,
- * but ensure that we have at least one.
+ * Read tuples from this tape until it has used up its free
+ * memory, but ensure that we have at least one.
*/
priorAvail = state->availMem;
state->availMem = state->mergeavailmem[srcTape];
- while (! LACKMEM(state) || state->mergenext[srcTape] == 0)
+ while (!LACKMEM(state) || state->mergenext[srcTape] == 0)
{
/* read next tuple, if any */
if ((tuplen = getlen(state, srcTape, true)) == 0)
while (alltuples ||
(LACKMEM(state) && state->memtupcount > 1))
{
+
/*
- * Dump the heap's frontmost entry, and sift up to remove it
- * from the heap.
+ * Dump the heap's frontmost entry, and sift up to remove it from
+ * the heap.
*/
Assert(state->memtupcount > 0);
WRITETUP(state, state->tp_tapenum[state->destTape],
state->memtuples[0]);
tuplesort_heap_siftup(state, true);
+
/*
- * If the heap is empty *or* top run number has changed,
- * we've finished the current run.
+ * If the heap is empty *or* top run number has changed, we've
+ * finished the current run.
*/
if (state->memtupcount == 0 ||
state->currentRun != state->memtupindex[0])
markrunend(state, state->tp_tapenum[state->destTape]);
state->currentRun++;
state->tp_runs[state->destTape]++;
- state->tp_dummy[state->destTape]--; /* per Alg D step D2 */
+ state->tp_dummy[state->destTape]--; /* per Alg D step D2 */
+
/*
* Done if heap is empty, else prepare for new run.
*/
case TSS_SORTEDONTAPE:
LogicalTapeTell(state->tapeset,
state->result_tape,
- & state->markpos_block,
- & state->markpos_offset);
+ &state->markpos_block,
+ &state->markpos_offset);
state->markpos_eof = state->eof_reached;
break;
default:
}
/*
- * tuplesort_restorepos - restores current position in merged sort file to
+ * tuplesort_restorepos - restores current position in merged sort file to
* last saved position
*/
void
state->eof_reached = state->markpos_eof;
break;
case TSS_SORTEDONTAPE:
- if (! LogicalTapeSeek(state->tapeset,
- state->result_tape,
- state->markpos_block,
- state->markpos_offset))
+ if (!LogicalTapeSeek(state->tapeset,
+ state->result_tape,
+ state->markpos_block,
+ state->markpos_offset))
elog(ERROR, "tuplesort_restorepos failed");
state->eof_reached = state->markpos_eof;
break;
tuplesort_heap_insert(Tuplesortstate *state, void *tuple,
int tupleindex, bool checkIndex)
{
- void **memtuples;
- int *memtupindex;
- int j;
+ void **memtuples;
+ int *memtupindex;
+ int j;
/*
* Make sure memtuples[] can handle another entry.
}
memtuples = state->memtuples;
memtupindex = state->memtupindex;
+
/*
- * Sift-up the new entry, per Knuth 5.2.3 exercise 16.
- * Note that Knuth is using 1-based array indexes, not 0-based.
+ * Sift-up the new entry, per Knuth 5.2.3 exercise 16. Note that Knuth
+ * is using 1-based array indexes, not 0-based.
*/
j = state->memtupcount++;
while (j > 0)
{
- int i = (j-1) >> 1;
+ int i = (j - 1) >> 1;
if (HEAPCOMPARE(tuple, tupleindex,
memtuples[i], memtupindex[i]) >= 0)
static void
tuplesort_heap_siftup(Tuplesortstate *state, bool checkIndex)
{
- void **memtuples = state->memtuples;
- int *memtupindex = state->memtupindex;
- void *tuple;
- int tupindex,
- i,
- n;
+ void **memtuples = state->memtuples;
+ int *memtupindex = state->memtupindex;
+ void *tuple;
+ int tupindex,
+ i,
+ n;
if (--state->memtupcount <= 0)
return;
tuple = memtuples[n]; /* tuple that must be reinserted */
tupindex = memtupindex[n];
i = 0; /* i is where the "hole" is */
- for (;;)
+ for (;;)
{
- int j = 2*i + 1;
+ int j = 2 * i + 1;
if (j >= n)
break;
- if (j+1 < n &&
+ if (j + 1 < n &&
HEAPCOMPARE(memtuples[j], memtupindex[j],
- memtuples[j+1], memtupindex[j+1]) > 0)
+ memtuples[j + 1], memtupindex[j + 1]) > 0)
j++;
if (HEAPCOMPARE(tuple, tupindex,
memtuples[j], memtupindex[j]) <= 0)
memtuples[i] = memtuples[j];
memtupindex[i] = memtupindex[j];
i = j;
- }
- memtuples[i] = tuple;
+ }
+ memtuples[i] = tuple;
memtupindex[i] = tupindex;
}
static unsigned int
getlen(Tuplesortstate *state, int tapenum, bool eofOK)
{
- unsigned int len;
+ unsigned int len;
if (LogicalTapeRead(state->tapeset, tapenum, (void *) &len,
sizeof(len)) != sizeof(len))
static void
markrunend(Tuplesortstate *state, int tapenum)
{
- unsigned int len = 0;
+ unsigned int len = 0;
LogicalTapeWrite(state->tapeset, tapenum, (void *) &len, sizeof(len));
}
{
/* The passed pointers are pointers to void * ... */
- return COMPARETUP(qsort_tuplesortstate, * (void **) a, * (void **) b);
+ return COMPARETUP(qsort_tuplesortstate, *(void **) a, *(void **) b);
}
return -1;
else if (scanKey->sk_flags & SK_COMMUTE)
{
- if (!(result = - (int) (*fmgr_faddr(&scanKey->sk_func)) (rattr, lattr)))
+ if (!(result = -(int) (*fmgr_faddr(&scanKey->sk_func)) (rattr, lattr)))
result = (int) (*fmgr_faddr(&scanKey->sk_func)) (lattr, rattr);
if (result)
return result;
}
else
{
- if (!(result = - (int) (*fmgr_faddr(&scanKey->sk_func)) (lattr, rattr)))
+ if (!(result = -(int) (*fmgr_faddr(&scanKey->sk_func)) (lattr, rattr)))
result = (int) (*fmgr_faddr(&scanKey->sk_func)) (rattr, lattr);
if (result)
return result;
static void
writetup_heap(Tuplesortstate *state, int tapenum, void *tup)
{
- HeapTuple tuple = (HeapTuple) tup;
- unsigned int tuplen;
+ HeapTuple tuple = (HeapTuple) tup;
+ unsigned int tuplen;
tuplen = tuple->t_len + sizeof(tuplen);
LogicalTapeWrite(state->tapeset, tapenum,
- (void*) &tuplen, sizeof(tuplen));
+ (void *) &tuplen, sizeof(tuplen));
LogicalTapeWrite(state->tapeset, tapenum,
- (void*) tuple->t_data, tuple->t_len);
+ (void *) tuple->t_data, tuple->t_len);
if (state->randomAccess) /* need trailing length word? */
LogicalTapeWrite(state->tapeset, tapenum,
- (void*) &tuplen, sizeof(tuplen));
+ (void *) &tuplen, sizeof(tuplen));
FREEMEM(state, HEAPTUPLESIZE + tuple->t_len);
heap_freetuple(tuple);
static void *
readtup_heap(Tuplesortstate *state, int tapenum, unsigned int len)
{
- unsigned int tuplen = len - sizeof(unsigned int) + HEAPTUPLESIZE;
- HeapTuple tuple = (HeapTuple) palloc(tuplen);
+ unsigned int tuplen = len - sizeof(unsigned int) + HEAPTUPLESIZE;
+ HeapTuple tuple = (HeapTuple) palloc(tuplen);
USEMEM(state, tuplen);
/* reconstruct the HeapTupleData portion */
* Routines specialized for IndexTuple case
*
* NOTE: actually, these are specialized for the btree case; it's not
- * clear whether you could use them for a non-btree index. Possibly
+ * clear whether you could use them for a non-btree index. Possibly
* you'd need to make another set of routines if you needed to sort
* according to another kind of index.
*/
static int
comparetup_index(Tuplesortstate *state, const void *a, const void *b)
{
+
/*
- * This is almost the same as _bt_tuplecompare(), but we need to
- * keep track of whether any null fields are present.
+ * This is almost the same as _bt_tuplecompare(), but we need to keep
+ * track of whether any null fields are present.
*/
IndexTuple tuple1 = (IndexTuple) a;
IndexTuple tuple2 = (IndexTuple) b;
}
if (compare != 0)
- return (int) compare; /* done when we find unequal attributes */
+ return (int) compare; /* done when we find unequal
+ * attributes */
}
/*
* tuples are detected (unless there was at least one NULL field).
*
* It is sufficient to make the test here, because if two tuples are
- * equal they *must* get compared at some stage of the sort --- otherwise
- * the sort algorithm wouldn't have checked whether one must appear
- * before the other.
+ * equal they *must* get compared at some stage of the sort ---
+ * otherwise the sort algorithm wouldn't have checked whether one must
+ * appear before the other.
*/
if (state->enforceUnique && !equal_hasnull)
elog(ERROR, "Cannot create unique index. Table contains non-unique values");
static void *
copytup_index(Tuplesortstate *state, void *tup)
{
- IndexTuple tuple = (IndexTuple) tup;
- unsigned int tuplen = IndexTupleSize(tuple);
- IndexTuple newtuple;
+ IndexTuple tuple = (IndexTuple) tup;
+ unsigned int tuplen = IndexTupleSize(tuple);
+ IndexTuple newtuple;
USEMEM(state, tuplen);
newtuple = (IndexTuple) palloc(tuplen);
static void
writetup_index(Tuplesortstate *state, int tapenum, void *tup)
{
- IndexTuple tuple = (IndexTuple) tup;
- unsigned int tuplen;
+ IndexTuple tuple = (IndexTuple) tup;
+ unsigned int tuplen;
tuplen = IndexTupleSize(tuple) + sizeof(tuplen);
LogicalTapeWrite(state->tapeset, tapenum,
- (void*) &tuplen, sizeof(tuplen));
+ (void *) &tuplen, sizeof(tuplen));
LogicalTapeWrite(state->tapeset, tapenum,
- (void*) tuple, IndexTupleSize(tuple));
+ (void *) tuple, IndexTupleSize(tuple));
if (state->randomAccess) /* need trailing length word? */
LogicalTapeWrite(state->tapeset, tapenum,
- (void*) &tuplen, sizeof(tuplen));
+ (void *) &tuplen, sizeof(tuplen));
FREEMEM(state, IndexTupleSize(tuple));
pfree(tuple);
static void *
readtup_index(Tuplesortstate *state, int tapenum, unsigned int len)
{
- unsigned int tuplen = len - sizeof(unsigned int);
- IndexTuple tuple = (IndexTuple) palloc(tuplen);
+ unsigned int tuplen = len - sizeof(unsigned int);
+ IndexTuple tuple = (IndexTuple) palloc(tuplen);
USEMEM(state, tuplen);
if (LogicalTapeRead(state->tapeset, tapenum, (void *) tuple,
static unsigned int
tuplesize_index(Tuplesortstate *state, void *tup)
{
- IndexTuple tuple = (IndexTuple) tup;
- unsigned int tuplen = IndexTupleSize(tuple);
+ IndexTuple tuple = (IndexTuple) tup;
+ unsigned int tuplen = IndexTupleSize(tuple);
return tuplen;
}
return -1;
else
{
- int result;
+ int result;
- if (!(result = - (int) (*fmgr_faddr(&state->sortOpFn)) (ltup->val,
- rtup->val)))
+ if (!(result = -(int) (*fmgr_faddr(&state->sortOpFn)) (ltup->val,
+ rtup->val)))
result = (int) (*fmgr_faddr(&state->sortOpFn)) (rtup->val,
ltup->val);
return result;
static void
writetup_datum(Tuplesortstate *state, int tapenum, void *tup)
{
- DatumTuple *tuple = (DatumTuple *) tup;
- unsigned int tuplen = tuplesize_datum(state, tup);
- unsigned int writtenlen = tuplen + sizeof(unsigned int);
+ DatumTuple *tuple = (DatumTuple *) tup;
+ unsigned int tuplen = tuplesize_datum(state, tup);
+ unsigned int writtenlen = tuplen + sizeof(unsigned int);
LogicalTapeWrite(state->tapeset, tapenum,
- (void*) &writtenlen, sizeof(writtenlen));
+ (void *) &writtenlen, sizeof(writtenlen));
LogicalTapeWrite(state->tapeset, tapenum,
- (void*) tuple, tuplen);
+ (void *) tuple, tuplen);
if (state->randomAccess) /* need trailing length word? */
LogicalTapeWrite(state->tapeset, tapenum,
- (void*) &writtenlen, sizeof(writtenlen));
+ (void *) &writtenlen, sizeof(writtenlen));
FREEMEM(state, tuplen);
pfree(tuple);
static void *
readtup_datum(Tuplesortstate *state, int tapenum, unsigned int len)
{
- unsigned int tuplen = len - sizeof(unsigned int);
- DatumTuple *tuple = (DatumTuple *) palloc(tuplen);
+ unsigned int tuplen = len - sizeof(unsigned int);
+ DatumTuple *tuple = (DatumTuple *) palloc(tuplen);
USEMEM(state, tuplen);
if (LogicalTapeRead(state->tapeset, tapenum, (void *) tuple,
static unsigned int
tuplesize_datum(Tuplesortstate *state, void *tup)
{
- DatumTuple *tuple = (DatumTuple *) tup;
+ DatumTuple *tuple = (DatumTuple *) tup;
if (tuple->isNull || state->datumTypeByVal)
- {
return (unsigned int) sizeof(DatumTuple);
- }
else
{
- int datalen = state->datumTypeLen;
- int tuplelen;
+ int datalen = state->datumTypeLen;
+ int tuplelen;
if (datalen == -1) /* variable length type? */
datalen = VARSIZE((struct varlena *) DatumGetPointer(tuple->val));
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/bin/pg_dump/common.c,v 1.40 2000/01/26 05:57:38 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/pg_dump/common.c,v 1.41 2000/04/12 17:16:14 momjian Exp $
*
* Modifications - 6/12/96 - dave@bensoft.com - version 1.13.dhb.2
*
}
else
{
- if (!isdigit(s) || j >= sizeof(temp)-1)
+ if (!isdigit(s) || j >= sizeof(temp) - 1)
{
fprintf(stderr, "parseNumericArray: bogus number\n");
exit(2);
{
static PQExpBuffer id_return = NULL;
const char *cp;
-
+
if (!force_quotes)
{
- if (! islower(*rawid))
+ if (!islower(*rawid))
force_quotes = true;
else
for (cp = rawid; *cp; cp++)
{
- if (! (islower(*cp) || isdigit(*cp) || (*cp == '_')))
+ if (!(islower(*cp) || isdigit(*cp) || (*cp == '_')))
{
force_quotes = true;
break;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.145 2000/04/04 05:22:46 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.146 2000/04/12 17:16:14 momjian Exp $
*
* Modifications - 6/10/96 - dave@bensoft.com - version 1.13.dhb
*
help(const char *progname)
{
printf("%s dumps a database as a text file.\n\n", progname);
- puts( "Usage:");
- printf(" %s [options] dbname\n\n", progname);
- puts( "Options:");
+ puts("Usage:");
+ printf(" %s [options] dbname\n\n", progname);
+ puts("Options:");
#ifdef HAVE_GETOPT_LONG
puts(
- " -a, --data-only dump out only the data, not the schema\n"
- " -c, --clean clean (drop) schema prior to create\n"
- " -d, --inserts dump data as INSERT, rather than COPY, commands\n"
- " -D, --attribute-inserts dump data as INSERT commands with attribute names\n"
- " -h, --host <hostname> server host name\n"
- " -i, --ignore-version proceed when database version != pg_dump version\n"
- " -n, --no-quotes suppress most quotes around identifiers\n"
- " -N, --quotes enable most quotes around identifiers\n"
- " -o, --oids dump object ids (oids)\n"
- " -p, --port <port> server port number\n"
- " -s, --schema-only dump out only the schema, no data\n"
- " -t, --table <table> dump for this table only\n"
- " -u, --password use password authentication\n"
- " -v, --verbose verbose\n"
- " -x, --no-acl do not dump ACL's (grant/revoke)\n"
- );
+ " -a, --data-only dump out only the data, not the schema\n"
+ " -c, --clean clean (drop) schema prior to create\n"
+ " -d, --inserts dump data as INSERT, rather than COPY, commands\n"
+ " -D, --attribute-inserts dump data as INSERT commands with attribute names\n"
+ " -h, --host <hostname> server host name\n"
+ " -i, --ignore-version proceed when database version != pg_dump version\n"
+ " -n, --no-quotes suppress most quotes around identifiers\n"
+ " -N, --quotes enable most quotes around identifiers\n"
+ " -o, --oids dump object ids (oids)\n"
+
" -p, --port <port> server port number\n"
+ " -s, --schema-only dump out only the schema, no data\n"
+
" -t, --table <table> dump for this table only\n"
+ " -u, --password use password authentication\n"
+ " -v, --verbose verbose\n"
+ " -x, --no-acl do not dump ACL's (grant/revoke)\n"
+ );
#else
- puts(
- " -a dump out only the data, no schema\n"
- " -c clean (drop) schema prior to create\n"
- " -d dump data as INSERT, rather than COPY, commands\n"
- " -D dump data as INSERT commands with attribute names\n"
- " -h <hostname> server host name\n"
- " -i proceed when database version != pg_dump version\n"
- " -n suppress most quotes around identifiers\n"
- " -N enable most quotes around identifiers\n"
- " -o dump object ids (oids)\n"
- " -p <port> server port number\n"
- " -s dump out only the schema, no data\n"
- " -t <table> dump for this table only\n"
- " -u use password authentication\n"
- " -v verbose\n"
- " -x do not dump ACL's (grant/revoke)\n"
- );
+ puts(
+ " -a dump out only the data, no schema\n"
+ " -c clean (drop) schema prior to create\n"
+ " -d dump data as INSERT, rather than COPY, commands\n"
+ " -D dump data as INSERT commands with attribute names\n"
+ " -h <hostname> server host name\n"
+ " -i proceed when database version != pg_dump version\n"
+ " -n suppress most quotes around identifiers\n"
+ " -N enable most quotes around identifiers\n"
+ " -o dump object ids (oids)\n"
+
" -p <port> server port number\n"
+ " -s dump out only the schema, no data\n"
+
" -t <table> dump for this table only\n"
+ " -u use password authentication\n"
+ " -v verbose\n"
+ " -x do not dump ACL's (grant/revoke)\n"
+ );
#endif
- puts("If no database name is not supplied, then the PGDATABASE environment\nvariable value is used.\n");
- puts("Report bugs to <pgsql-bugs@postgresql.org>.");
+ puts("If no database name is not supplied, then the PGDATABASE environment\nvariable value is used.\n");
+
puts("Report bugs to <pgsql-bugs@postgresql.org>.");
}
static void
version(void)
{
- puts("pg_dump (PostgreSQL) " PG_RELEASE "." PG_VERSION "." PG_SUBVERSION);
- puts("Portions Copyright (c) 1996-2000, PostgreSQL, Inc");
- puts("Portions Copyright (C) 1996 Regents of the University of California");
- puts("Read the file COPYRIGHT to see the usage and distribution terms.");
+ puts("pg_dump (PostgreSQL) " PG_RELEASE "." PG_VERSION "." PG_SUBVERSION);
+ puts("Portions Copyright (c) 1996-2000, PostgreSQL, Inc");
+ puts("Portions Copyright (C) 1996 Regents of the University of California");
+ puts("Read the file COPYRIGHT to see the usage and distribution terms.");
}
{
PGresult *res;
int ntups;
- PQExpBuffer query = createPQExpBuffer();
+ PQExpBuffer query = createPQExpBuffer();
appendPQExpBuffer(query, "select relname from pg_class, pg_rewrite ");
appendPQExpBuffer(query, "where pg_class.oid = ev_class ");
static void
dumpClasses_dumpData(FILE *fout, const char *classname)
{
- PGresult *res;
- PQExpBuffer q = createPQExpBuffer();
+ PGresult *res;
+ PQExpBuffer q = createPQExpBuffer();
int tuple;
int field;
- const char *expsrc;
+ const char *expsrc;
appendPQExpBuffer(q, "SELECT * FROM %s", fmtId(classname, force_quotes));
res = PQexec(g_conn, q->data);
{
case INT2OID:
case INT4OID:
- case OIDOID: /* int types */
+ case OIDOID: /* int types */
case FLOAT4OID:
- case FLOAT8OID: /* float types */
+ case FLOAT8OID:/* float types */
/* These types are printed without quotes */
fprintf(fout, "%s",
PQgetvalue(res, tuple, field));
break;
default:
+
/*
* All other types are printed as string literals,
- * with appropriate escaping of special
- * characters. Quote mark ' goes to '' per SQL
- * standard, other stuff goes to \ sequences.
+ * with appropriate escaping of special characters.
+ * Quote mark ' goes to '' per SQL standard, other
+ * stuff goes to \ sequences.
*/
putc('\'', fout);
expsrc = PQgetvalue(res, tuple, field);
if (ch == '\\' || ch == '\'')
{
- putc(ch, fout); /* double these */
+ putc(ch, fout); /* double these */
putc(ch, fout);
}
else if (ch < '\040')
fprintf(stderr, "%s dumping out the contents of %s %d table%s/sequence%s %s\n",
g_comment_start, all_only,
(onlytable == NULL) ? numTables : 1,
- (onlytable == NULL) ? "s" : "", (onlytable == NULL) ? "s" : "",
+ (onlytable == NULL) ? "s" : "", (onlytable == NULL) ? "s" : "",
g_comment_end);
/* Dump SEQUENCEs first (if dataOnly) */
static void
-check_database_version (bool ignoreVersion)
+check_database_version(bool ignoreVersion)
{
- PGresult *res;
- const char *dbversion;
- const char *myversion = "PostgreSQL " PG_RELEASE "." PG_VERSION;
- int myversionlen = strlen(myversion);
+ PGresult *res;
+ const char *dbversion;
+ const char *myversion = "PostgreSQL " PG_RELEASE "." PG_VERSION;
+ int myversionlen = strlen(myversion);
res = PQexec(g_conn, "SELECT version()");
if (!res ||
if (strncmp(dbversion, myversion, myversionlen) != 0)
{
fprintf(stderr, "Database version: %s\npg_dump version: %s\n",
- dbversion, PG_RELEASE "." PG_VERSION);
+ dbversion, PG_RELEASE "." PG_VERSION);
if (ignoreVersion)
- {
fprintf(stderr, "Proceeding despite version mismatch.\n");
- }
else
{
fprintf(stderr, "Aborting because of version mismatch.\n"
static struct option long_options[] = {
{"data-only", no_argument, NULL, 'a'},
{"clean", no_argument, NULL, 'c'},
- {"inserts",no_argument, NULL, 'd'},
+ {"inserts", no_argument, NULL, 'd'},
{"attribute-inserts", no_argument, NULL, 'D'},
{"host", required_argument, NULL, 'h'},
{"ignore-version", no_argument, NULL, 'i'},
{"verbose", no_argument, NULL, 'v'},
{"no-acl", no_argument, NULL, 'x'},
{"help", no_argument, NULL, '?'},
- {"version", no_argument, NULL, 'V'}
+ {"version", no_argument, NULL, 'V'}
};
- int optindex;
+ int optindex;
+
#endif
g_verbose = false;
dataOnly = schemaOnly = dumpData = attrNames = false;
- if (!strrchr(argv[0], SEP_CHAR))
- progname = argv[0];
- else
- progname = strrchr(argv[0], SEP_CHAR) + 1;
+ if (!strrchr(argv[0], SEP_CHAR))
+ progname = argv[0];
+ else
+ progname = strrchr(argv[0], SEP_CHAR) + 1;
#ifdef HAVE_GETOPT_LONG
while ((c = getopt_long(argc, argv, "acdDf:h:inNop:st:uvxzV?", long_options, &optindex)) != -1)
#else
- while ((c = getopt(argc, argv, "acdDf:h:inNop:st:uvxzV?-")) != -1)
+ while ((c = getopt(argc, argv, "acdDf:h:inNop:st:uvxzV?-")) != -1)
#endif
{
switch (c)
dumpData = true;
attrNames = true;
break;
- case 'f':
+ case 'f':
filename = optarg;
break;
case 'h': /* server host */
case 'N': /* Force double-quotes on identifiers */
force_quotes = true;
break;
- case 'o': /* Dump oids */
+ case 'o': /* Dump oids */
oids = true;
break;
case 'p': /* server port */
case 'x': /* skip ACL dump */
aclsSkip = true;
break;
- case 'V':
- version();
- exit(0);
- break;
+ case 'V':
+ version();
+ exit(0);
+ break;
case '?':
- /* getopt returns '?' on unknown argument. That's not
- quite what we want */
- if (strcmp(argv[optind-1], "-?")==0 || strcmp(argv[optind-1], "--help")==0)
- {
- help(progname);
- exit(1);
- }
- else
- {
- fputs("Try -? for help.\n", stderr);
- exit(1);
- }
+
+ /*
+ * getopt returns '?' on unknown argument. That's not
+ * quite what we want
+ */
+ if (strcmp(argv[optind - 1], "-?") == 0 || strcmp(argv[optind - 1], "--help") == 0)
+ {
+ help(progname);
+ exit(1);
+ }
+ else
+ {
+ fputs("Try -? for help.\n", stderr);
+ exit(1);
+ }
break;
#ifndef HAVE_GETOPT_LONG
case '-':
fprintf(stderr, "%s was compiled without support for long options.\n"
- "Use -? for help on invocation options.\n", progname);
+ "Use -? for help on invocation options.\n", progname);
exit(1);
break;
#endif
default:
- fprintf(stderr, "%s: unknown option -%c\nTry -? for help.\n", progname, c);
- exit(1);
+ fprintf(stderr, "%s: unknown option -%c\nTry -? for help.\n", progname, c);
+ exit(1);
}
}
if (dumpData == true && oids == true)
{
fprintf(stderr,
- "%s: INSERT's can not set oids, so INSERT and OID options can not be used together.\n",
+ "%s: INSERT's can not set oids, so INSERT and OID options can not be used together.\n",
progname);
exit(1);
}
else
tblinfo = dumpSchema(NULL, &numTables, tablename, aclsSkip);
- if (!schemaOnly) {
+ if (!schemaOnly)
+ {
if (dataOnly)
fprintf(g_fout, "UPDATE \"pg_class\" SET \"reltriggers\" = 0 WHERE \"relname\" !~ '^pg_';\n");
dumpClasses(tblinfo, numTables, g_fout, tablename, oids);
- if (dataOnly) {
+ if (dataOnly)
+ {
fprintf(g_fout, "BEGIN TRANSACTION;\n");
fprintf(g_fout, "CREATE TEMP TABLE \"tr\" (\"tmp_relname\" name, \"tmp_reltriggers\" smallint);\n");
fprintf(g_fout, "INSERT INTO \"tr\" SELECT C.\"relname\", count(T.\"oid\") FROM \"pg_class\" C, \"pg_trigger\" T WHERE C.\"oid\" = T.\"tgrelid\" AND C.\"relname\" !~ '^pg_' GROUP BY 1;\n");
PGresult *res;
int ntups;
int i;
- PQExpBuffer query = createPQExpBuffer();
+ PQExpBuffer query = createPQExpBuffer();
TypeInfo *tinfo;
int i_oid;
appendPQExpBuffer(query, "SELECT pg_type.oid, typowner, typname, typlen, typprtlen, "
"typinput, typoutput, typreceive, typsend, typelem, typdelim, "
- "typdefault, typrelid, typbyval, usename from pg_type, pg_user "
- "where typowner = usesysid");
+ "typdefault, typrelid, typbyval, usename from pg_type, pg_user "
+ "where typowner = usesysid");
res = PQexec(g_conn, query->data);
if (!res ||
OprInfo *
getOperators(int *numOprs)
{
- PGresult *res;
+ PGresult *res;
int ntups;
int i;
- PQExpBuffer query = createPQExpBuffer();
+ PQExpBuffer query = createPQExpBuffer();
OprInfo *oprinfo;
*/
appendPQExpBuffer(query, "SELECT pg_operator.oid, oprname, oprkind, oprcode, "
- "oprleft, oprright, oprcom, oprnegate, oprrest, oprjoin, "
- "oprcanhash, oprlsortop, oprrsortop, usename "
- "from pg_operator, pg_user "
- "where oprowner = usesysid");
+ "oprleft, oprright, oprcom, oprnegate, oprrest, oprjoin, "
+ "oprcanhash, oprlsortop, oprrsortop, usename "
+ "from pg_operator, pg_user "
+ "where oprowner = usesysid");
res = PQexec(g_conn, query->data);
if (!res ||
free(fun[i].proname);
if (fun[i].usename)
free(fun[i].usename);
- for (a = 0; a < FUNC_MAX_ARGS ; ++a)
+ for (a = 0; a < FUNC_MAX_ARGS; ++a)
if (fun[i].argtypes[a])
free(fun[i].argtypes[a]);
if (fun[i].prorettype)
free(tblinfo[i].typnames);
if (tblinfo[i].notnull)
free(tblinfo[i].notnull);
- if (tblinfo[i].primary_key)
- free(tblinfo[i].primary_key);
+ if (tblinfo[i].primary_key)
+ free(tblinfo[i].primary_key);
}
free(tblinfo);
}
PGresult *res;
int ntups;
int i;
- PQExpBuffer query = createPQExpBuffer();
+ PQExpBuffer query = createPQExpBuffer();
AggInfo *agginfo;
int i_oid;
/* find all user-defined aggregates */
appendPQExpBuffer(query,
- "SELECT pg_aggregate.oid, aggname, aggtransfn1, aggtransfn2, "
- "aggfinalfn, aggtranstype1, aggbasetype, aggtranstype2, "
+ "SELECT pg_aggregate.oid, aggname, aggtransfn1, aggtransfn2, "
+ "aggfinalfn, aggtranstype1, aggbasetype, aggtranstype2, "
"agginitval1, agginitval2, usename from pg_aggregate, pg_user "
- "where aggowner = usesysid");
+ "where aggowner = usesysid");
res = PQexec(g_conn, query->data);
if (!res ||
FuncInfo *
getFuncs(int *numFuncs)
{
- PGresult *res;
+ PGresult *res;
int ntups;
int i;
- PQExpBuffer query = createPQExpBuffer();
- FuncInfo *finfo;
+ PQExpBuffer query = createPQExpBuffer();
+ FuncInfo *finfo;
int i_oid;
int i_proname;
/* find all user-defined funcs */
appendPQExpBuffer(query,
- "SELECT pg_proc.oid, proname, prolang, pronargs, prorettype, "
- "proretset, proargtypes, prosrc, probin, usename "
- "from pg_proc, pg_user "
- "where pg_proc.oid > '%u'::oid and proowner = usesysid",
- g_last_builtin_oid);
+ "SELECT pg_proc.oid, proname, prolang, pronargs, prorettype, "
+ "proretset, proargtypes, prosrc, probin, usename "
+ "from pg_proc, pg_user "
+ "where pg_proc.oid > '%u'::oid and proowner = usesysid",
+ g_last_builtin_oid);
res = PQexec(g_conn, query->data);
if (!res ||
TableInfo *
getTables(int *numTables, FuncInfo *finfo, int numFuncs)
{
- PGresult *res;
+ PGresult *res;
int ntups;
int i;
- PQExpBuffer query = createPQExpBuffer();
- TableInfo *tblinfo;
+ PQExpBuffer query = createPQExpBuffer();
+ TableInfo *tblinfo;
int i_oid;
int i_relname;
int i_usename;
int i_relchecks;
int i_reltriggers;
- int i_relhasindex;
+ int i_relhasindex;
/*
* find all the user-defined tables (no indices and no catalogs),
* ordering by oid is important so that we always process the parent
* tables before the child tables when traversing the tblinfo*
*
- * we ignore tables that are not type 'r' (ordinary relation)
- * or 'S' (sequence) --- in particular, Large Object relations
- * (type 'l') are ignored.
+ * we ignore tables that are not type 'r' (ordinary relation) or 'S'
+ * (sequence) --- in particular, Large Object relations (type 'l') are
+ * ignored.
*/
appendPQExpBuffer(query,
- "SELECT pg_class.oid, relname, relkind, relacl, usename, "
- "relchecks, reltriggers, relhasindex "
- "from pg_class, pg_user "
- "where relowner = usesysid and "
- "(relkind = 'r' or relkind = 'S') and relname !~ '^pg_' "
- "order by oid");
+ "SELECT pg_class.oid, relname, relkind, relacl, usename, "
+ "relchecks, reltriggers, relhasindex "
+ "from pg_class, pg_user "
+ "where relowner = usesysid and "
+ "(relkind = 'r' or relkind = 'S') and relname !~ '^pg_' "
+ "order by oid");
res = PQexec(g_conn, query->data);
if (!res ||
resetPQExpBuffer(query);
appendPQExpBuffer(query, "SELECT rcname from pg_relcheck, pg_inherits as i "
- "where rcrelid = '%s'::oid "
- " and rcrelid = i.inhrelid"
- " and exists "
- " (select * from pg_relcheck as c "
- " where c.rcname = pg_relcheck.rcname "
- " and c.rcsrc = pg_relcheck.rcsrc "
- " and c.rcrelid = i.inhparent) ",
- tblinfo[i].oid);
+ "where rcrelid = '%s'::oid "
+ " and rcrelid = i.inhrelid"
+ " and exists "
+ " (select * from pg_relcheck as c "
+ " where c.rcname = pg_relcheck.rcname "
+ " and c.rcsrc = pg_relcheck.rcsrc "
+ " and c.rcrelid = i.inhparent) ",
+ tblinfo[i].oid);
res2 = PQexec(g_conn, query->data);
if (!res2 ||
PQresultStatus(res2) != PGRES_TUPLES_OK)
resetPQExpBuffer(query);
appendPQExpBuffer(query, "SELECT rcname, rcsrc from pg_relcheck "
- "where rcrelid = '%s'::oid "
- " and not exists "
- " (select * from pg_relcheck as c, pg_inherits as i "
- " where i.inhrelid = pg_relcheck.rcrelid "
- " and c.rcname = pg_relcheck.rcname "
- " and c.rcsrc = pg_relcheck.rcsrc "
- " and c.rcrelid = i.inhparent) ",
- tblinfo[i].oid);
+ "where rcrelid = '%s'::oid "
+ " and not exists "
+ " (select * from pg_relcheck as c, pg_inherits as i "
+ " where i.inhrelid = pg_relcheck.rcrelid "
+ " and c.rcname = pg_relcheck.rcname "
+ " and c.rcsrc = pg_relcheck.rcsrc "
+ " and c.rcrelid = i.inhparent) ",
+ tblinfo[i].oid);
res2 = PQexec(g_conn, query->data);
if (!res2 ||
PQresultStatus(res2) != PGRES_TUPLES_OK)
const char *expr = PQgetvalue(res2, i2, i_rcsrc);
resetPQExpBuffer(query);
- if (name[0] != '$') {
+ if (name[0] != '$')
+ {
appendPQExpBuffer(query, "CONSTRAINT %s ",
fmtId(name, force_quotes));
}
else
tblinfo[i].check_expr = NULL;
- /* Get primary key */
- if (strcmp(PQgetvalue(res, i, i_relhasindex), "t")==0)
+ /* Get primary key */
+ if (strcmp(PQgetvalue(res, i, i_relhasindex), "t") == 0)
{
- PGresult * res2;
- char str[INDEX_MAX_KEYS * (NAMEDATALEN*2 + 4) + 1];
- int j;
+ PGresult *res2;
+ char str[INDEX_MAX_KEYS * (NAMEDATALEN * 2 + 4) + 1];
+ int j;
resetPQExpBuffer(query);
appendPQExpBuffer(query,
- "SELECT a.attname "
- "FROM pg_index i, pg_class c, pg_attribute a "
- "WHERE i.indisprimary AND i.indrelid = %s "
- " AND i.indexrelid = c.oid AND a.attnum > 0 AND a.attrelid = c.oid "
- "ORDER BY a.attnum ",
- tblinfo[i].oid);
+ "SELECT a.attname "
+ "FROM pg_index i, pg_class c, pg_attribute a "
+ "WHERE i.indisprimary AND i.indrelid = %s "
+ " AND i.indexrelid = c.oid AND a.attnum > 0 AND a.attrelid = c.oid "
+ "ORDER BY a.attnum ",
+ tblinfo[i].oid);
res2 = PQexec(g_conn, query->data);
if (!res2 || PQresultStatus(res2) != PGRES_TUPLES_OK)
{
fprintf(stderr, "getTables(): SELECT (for PRIMARY KEY) failed. Explanation from backend: %s",
- PQerrorMessage(g_conn));
+ PQerrorMessage(g_conn));
exit_nicely(g_conn);
}
str[0] = '\0';
for (j = 0; j < PQntuples(res2); j++)
{
- if (strlen(str)>0)
+ if (strlen(str) > 0)
strcat(str, ", ");
strcat(str, fmtId(PQgetvalue(res2, j, 0), force_quotes));
}
- if (strlen(str)>0) {
+ if (strlen(str) > 0)
+ {
tblinfo[i].primary_key = strdup(str);
- if (tblinfo[i].primary_key == NULL) {
+ if (tblinfo[i].primary_key == NULL)
+ {
perror("strdup");
exit(1);
}
{
PGresult *res2;
int i_tgoid,
- i_tgname,
+ i_tgname,
i_tgfoid,
i_tgtype,
i_tgnargs,
resetPQExpBuffer(query);
appendPQExpBuffer(query, "SELECT tgname, tgfoid, tgtype, tgnargs, tgargs, tgisconstraint, tgconstrname, tgdeferrable, tginitdeferred, oid "
- "from pg_trigger "
- "where tgrelid = '%s'::oid ",
- tblinfo[i].oid);
+ "from pg_trigger "
+ "where tgrelid = '%s'::oid ",
+ tblinfo[i].oid);
res2 = PQexec(g_conn, query->data);
if (!res2 ||
PQresultStatus(res2) != PGRES_TUPLES_OK)
for (i2 = 0; i2 < ntups2; i2++)
{
const char *tgfuncoid = PQgetvalue(res2, i2, i_tgfoid);
- char *tgfunc = NULL;
+ char *tgfunc = NULL;
int2 tgtype = atoi(PQgetvalue(res2, i2, i_tgtype));
int tgnargs = atoi(PQgetvalue(res2, i2, i_tgnargs));
const char *tgargs = PQgetvalue(res2, i2, i_tgargs);
- int tgisconstraint;
- int tgdeferrable;
- int tginitdeferred;
+ int tgisconstraint;
+ int tgdeferrable;
+ int tginitdeferred;
const char *p;
int findx;
if (strcmp(PQgetvalue(res2, i2, i_tgisconstraint), "f") == 0)
- tgisconstraint=0;
+ tgisconstraint = 0;
else
- tgisconstraint=1;
+ tgisconstraint = 1;
if (strcmp(PQgetvalue(res2, i2, i_tgdeferrable), "f") == 0)
- tgdeferrable=0;
+ tgdeferrable = 0;
else
- tgdeferrable=1;
+ tgdeferrable = 1;
if (strcmp(PQgetvalue(res2, i2, i_tginitdeferred), "f") == 0)
- tginitdeferred=0;
+ tginitdeferred = 0;
else
- tginitdeferred=1;
+ tginitdeferred = 1;
for (findx = 0; findx < numFuncs; findx++)
{
strcmp(finfo[findx].prorettype, "0") == 0)
break;
}
-
+
if (findx == numFuncs)
{
- PGresult *r;
-
- /*
- * the funcname is an oid which we use to find the name of the
- * pg_proc. We need to do this because getFuncs() only reads
- * in the user-defined funcs not all the funcs. We might not
- * find what we want by looking in FuncInfo*
- */
- resetPQExpBuffer(query);
- appendPQExpBuffer(query,
- "SELECT proname from pg_proc "
- "where pg_proc.oid = '%s'::oid",
- tgfuncoid);
-
- r = PQexec(g_conn, query->data);
- if (!r || PQresultStatus(r) != PGRES_TUPLES_OK)
- {
- fprintf(stderr, "getTables(): SELECT (funcname) failed. Explanation from backend: '%s'.\n", PQerrorMessage(g_conn));
- exit_nicely(g_conn);
- }
+ PGresult *r;
+
+ /*
+ * the funcname is an oid which we use to find the
+ * name of the pg_proc. We need to do this because
+ * getFuncs() only reads in the user-defined funcs not
+ * all the funcs. We might not find what we want by
+ * looking in FuncInfo*
+ */
+ resetPQExpBuffer(query);
+ appendPQExpBuffer(query,
+ "SELECT proname from pg_proc "
+ "where pg_proc.oid = '%s'::oid",
+ tgfuncoid);
+
+ r = PQexec(g_conn, query->data);
+ if (!r || PQresultStatus(r) != PGRES_TUPLES_OK)
+ {
+ fprintf(stderr, "getTables(): SELECT (funcname) failed. Explanation from backend: '%s'.\n", PQerrorMessage(g_conn));
+ exit_nicely(g_conn);
+ }
tgfunc = strdup(PQgetvalue(r, 0, PQfnumber(r, "proname")));
- PQclear(r);
+ PQclear(r);
}
- else {
+ else
tgfunc = strdup(finfo[findx].proname);
- }
#if 0
/* XXX - how to emit this DROP TRIGGER? */
if (dropSchema)
{
resetPQExpBuffer(query);
appendPQExpBuffer(query, "DROP TRIGGER %s ",
- fmtId(PQgetvalue(res2, i2, i_tgname),
- force_quotes));
+ fmtId(PQgetvalue(res2, i2, i_tgname),
+ force_quotes));
appendPQExpBuffer(query, "ON %s;\n",
- fmtId(tblinfo[i].relname, force_quotes));
+ fmtId(tblinfo[i].relname, force_quotes));
fputs(query->data, fout);
}
#endif
appendPQExpBuffer(query, "CREATE CONSTRAINT TRIGGER ");
appendPQExpBuffer(query, fmtId(PQgetvalue(res2, i2, i_tgconstrname), force_quotes));
}
- else {
+ else
+ {
appendPQExpBuffer(query, "CREATE TRIGGER ");
appendPQExpBuffer(query, fmtId(PQgetvalue(res2, i2, i_tgname), force_quotes));
}
}
appendPQExpBuffer(query, " ON %s ", fmtId(tblinfo[i].relname, force_quotes));
- if (tgisconstraint)
+ if (tgisconstraint)
{
- if (!tgdeferrable)
- {
+ if (!tgdeferrable)
appendPQExpBuffer(query, " NOT");
- }
appendPQExpBuffer(query, " DEFERRABLE INITIALLY ");
if (tginitdeferred)
- {
appendPQExpBuffer(query, "DEFERRED");
- }
- else
- {
+ else
appendPQExpBuffer(query, "IMMEDIATE");
- }
-
+
}
appendPQExpBuffer(query, " FOR EACH ROW");
fmtId(tgfunc, force_quotes));
for (findx = 0; findx < tgnargs; findx++)
{
- const char *s;
+ const char *s;
for (p = tgargs;;)
{
tblinfo[i].triggers[i2] = strdup(query->data);
/*** Initialize trcomments and troids ***/
-
+
resetPQExpBuffer(query);
- appendPQExpBuffer(query, "TRIGGER %s ",
- fmtId(PQgetvalue(res2, i2, i_tgname), force_quotes));
+ appendPQExpBuffer(query, "TRIGGER %s ",
+ fmtId(PQgetvalue(res2, i2, i_tgname), force_quotes));
appendPQExpBuffer(query, "ON %s",
- fmtId(tblinfo[i].relname, force_quotes));
+ fmtId(tblinfo[i].relname, force_quotes));
tblinfo[i].trcomments[i2] = strdup(query->data);
tblinfo[i].troids[i2] = strdup(PQgetvalue(res2, i2, i_tgoid));
if (tgfunc)
- {
free(tgfunc);
- }
}
PQclear(res2);
}
tblinfo[i].trcomments = NULL;
tblinfo[i].troids = NULL;
}
-
+
}
PQclear(res);
InhInfo *
getInherits(int *numInherits)
{
- PGresult *res;
+ PGresult *res;
int ntups;
int i;
- PQExpBuffer query = createPQExpBuffer();
- InhInfo *inhinfo;
+ PQExpBuffer query = createPQExpBuffer();
+ InhInfo *inhinfo;
int i_inhrelid;
int i_inhparent;
{
int i,
j;
- PQExpBuffer q = createPQExpBuffer();
+ PQExpBuffer q = createPQExpBuffer();
int i_attname;
int i_typname;
int i_atttypmod;
int i_attnotnull;
int i_atthasdef;
- int i_attoid;
- PGresult *res;
+ int i_attoid;
+ PGresult *res;
int ntups;
for (i = 0; i < numTables; i++)
resetPQExpBuffer(q);
appendPQExpBuffer(q, "SELECT a.oid as attoid, a.attnum, a.attname, t.typname, a.atttypmod, "
- "a.attnotnull, a.atthasdef "
- "from pg_attribute a, pg_type t "
- "where a.attrelid = '%s'::oid and a.atttypid = t.oid "
- "and a.attnum > 0 order by attnum",
- tblinfo[i].oid);
+ "a.attnotnull, a.atthasdef "
+ "from pg_attribute a, pg_type t "
+ "where a.attrelid = '%s'::oid and a.atttypid = t.oid "
+ "and a.attnum > 0 order by attnum",
+ tblinfo[i].oid);
res = PQexec(g_conn, q->data);
if (!res ||
PQresultStatus(res) != PGRES_TUPLES_OK)
resetPQExpBuffer(q);
appendPQExpBuffer(q, "SELECT adsrc from pg_attrdef "
- "where adrelid = '%s'::oid and adnum = %d ",
- tblinfo[i].oid, j + 1);
+ "where adrelid = '%s'::oid and adnum = %d ",
+ tblinfo[i].oid, j + 1);
res2 = PQexec(g_conn, q->data);
if (!res2 ||
PQresultStatus(res2) != PGRES_TUPLES_OK)
getIndices(int *numIndices)
{
int i;
- PQExpBuffer query = createPQExpBuffer();
+ PQExpBuffer query = createPQExpBuffer();
PGresult *res;
int ntups;
IndInfo *indinfo;
int i_indkey;
int i_indclass;
int i_indisunique;
- int i_indoid;
+ int i_indoid;
/*
* find all the user-defined indices. We do not handle partial
*/
appendPQExpBuffer(query,
- "SELECT t1.oid as indoid, t1.relname as indexrelname, t2.relname as indrelname, "
- "i.indproc, i.indkey, i.indclass, "
- "a.amname as indamname, i.indisunique "
- "from pg_index i, pg_class t1, pg_class t2, pg_am a "
- "WHERE t1.oid = i.indexrelid and t2.oid = i.indrelid "
- "and t1.relam = a.oid and i.indexrelid > '%u'::oid "
- "and t2.relname !~ '^pg_' and t2.relkind != 'l' and not i.indisprimary",
- g_last_builtin_oid);
+ "SELECT t1.oid as indoid, t1.relname as indexrelname, t2.relname as indrelname, "
+ "i.indproc, i.indkey, i.indclass, "
+ "a.amname as indamname, i.indisunique "
+ "from pg_index i, pg_class t1, pg_class t2, pg_am a "
+ "WHERE t1.oid = i.indexrelid and t2.oid = i.indrelid "
+ "and t1.relam = a.oid and i.indexrelid > '%u'::oid "
+ "and t2.relname !~ '^pg_' and t2.relkind != 'l' and not i.indisprimary",
+ g_last_builtin_oid);
res = PQexec(g_conn, query->data);
if (!res ||
}
/*------------------------------------------------------------------
- * dumpComments --
+ * dumpComments --
*
- * This routine is used to dump any comments associated with the
+ * This routine is used to dump any comments associated with the
* oid handed to this routine. The routine takes a constant character
* string for the target part of the object and the oid of the object
* whose comments are to be dumped. It is perfectly acceptable
* to hand an oid to this routine which has not been commented. In
- * addition, the routine takes the stdio FILE handle to which the
+ * addition, the routine takes the stdio FILE handle to which the
* output should be written.
*------------------------------------------------------------------
*/
-void dumpComment(FILE *fout, const char *target, const char *oid) {
+void
+dumpComment(FILE *fout, const char *target, const char *oid)
+{
- PGresult *res;
+ PGresult *res;
PQExpBuffer query;
- int i_description;
+ int i_description;
/*** Build query to find comment ***/
/*** Execute query ***/
res = PQexec(g_conn, query->data);
- if (!res || PQresultStatus(res) != PGRES_TUPLES_OK) {
+ if (!res || PQresultStatus(res) != PGRES_TUPLES_OK)
+ {
fprintf(stderr, "DumpComment: SELECT failed: '%s'.\n",
PQerrorMessage(g_conn));
exit_nicely(g_conn);
/*** If a comment exists, build COMMENT ON statement ***/
- if (PQntuples(res) != 0) {
+ if (PQntuples(res) != 0)
+ {
i_description = PQfnumber(res, "description");
- fprintf(fout, "COMMENT ON %s IS '%s';\n",
+ fprintf(fout, "COMMENT ON %s IS '%s';\n",
target, checkForQuote(PQgetvalue(res, 0, i_description)));
}
/*** Clear the statement buffer and return ***/
PQclear(res);
-
+
}
/*------------------------------------------------------------------
- * dumpDBComment --
+ * dumpDBComment --
*
- * This routine is used to dump any comments associated with the
- * database to which we are currently connected. If the user chose
+ * This routine is used to dump any comments associated with the
+ * database to which we are currently connected. If the user chose
* to dump the schema of the database, then this is the first
* statement issued.
*------------------------------------------------------------------
*/
-void dumpDBComment(FILE *fout) {
+void
+dumpDBComment(FILE *fout)
+{
- PGresult *res;
+ PGresult *res;
PQExpBuffer query;
- int i_oid;
+ int i_oid;
/*** Build query to find comment ***/
/*** Execute query ***/
res = PQexec(g_conn, query->data);
- if (!res || PQresultStatus(res) != PGRES_TUPLES_OK) {
+ if (!res || PQresultStatus(res) != PGRES_TUPLES_OK)
+ {
fprintf(stderr, "dumpDBComment: SELECT failed: '%s'.\n",
PQerrorMessage(g_conn));
exit_nicely(g_conn);
/*** If a comment exists, build COMMENT ON statement ***/
- if (PQntuples(res) != 0) {
+ if (PQntuples(res) != 0)
+ {
i_oid = PQfnumber(res, "oid");
resetPQExpBuffer(query);
appendPQExpBuffer(query, "DATABASE %s", fmtId(PQdb(g_conn), force_quotes));
/*** Clear the statement buffer and return ***/
PQclear(res);
-
+
}
/*
TypeInfo *tinfo, int numTypes)
{
int i;
- PQExpBuffer q = createPQExpBuffer();
+ PQExpBuffer q = createPQExpBuffer();
int funcInd;
for (i = 0; i < numTypes; i++)
resetPQExpBuffer(q);
appendPQExpBuffer(q,
- "CREATE TYPE %s "
- "( internallength = %s, externallength = %s, input = %s, "
- "output = %s, send = %s, receive = %s, default = '%s'",
- fmtId(tinfo[i].typname, force_quotes),
- tinfo[i].typlen,
- tinfo[i].typprtlen,
- tinfo[i].typinput,
- tinfo[i].typoutput,
- tinfo[i].typsend,
- tinfo[i].typreceive,
- tinfo[i].typdefault);
+ "CREATE TYPE %s "
+ "( internallength = %s, externallength = %s, input = %s, "
+ "output = %s, send = %s, receive = %s, default = '%s'",
+ fmtId(tinfo[i].typname, force_quotes),
+ tinfo[i].typlen,
+ tinfo[i].typprtlen,
+ tinfo[i].typinput,
+ tinfo[i].typoutput,
+ tinfo[i].typsend,
+ tinfo[i].typreceive,
+ tinfo[i].typdefault);
if (tinfo[i].isArray)
{
elemType = findTypeByOid(tinfo, numTypes, tinfo[i].typelem);
appendPQExpBuffer(q, ", element = %s, delimiter = '%s'",
- elemType, tinfo[i].typdelim);
+ elemType, tinfo[i].typdelim);
}
if (tinfo[i].passedbyvalue)
appendPQExpBuffer(q, ",passedbyvalue);\n");
dumpProcLangs(FILE *fout, FuncInfo *finfo, int numFuncs,
TypeInfo *tinfo, int numTypes)
{
- PGresult *res;
- PQExpBuffer query = createPQExpBuffer();
+ PGresult *res;
+ PQExpBuffer query = createPQExpBuffer();
int ntups;
int i_lanname;
int i_lanpltrusted;
int i_lanplcallfoid;
int i_lancompiler;
- char *lanname;
- char *lancompiler;
- const char *lanplcallfoid;
+ char *lanname;
+ char *lancompiler;
+ const char *lanplcallfoid;
int i,
fidx;
appendPQExpBuffer(query, "SELECT * FROM pg_language "
- "WHERE lanispl "
- "ORDER BY oid");
+ "WHERE lanispl "
+ "ORDER BY oid");
res = PQexec(g_conn, query->data);
if (!res ||
PQresultStatus(res) != PGRES_TUPLES_OK)
dumpOneFunc(FILE *fout, FuncInfo *finfo, int i,
TypeInfo *tinfo, int numTypes)
{
- PQExpBuffer q = createPQExpBuffer();
+ PQExpBuffer q = createPQExpBuffer();
PQExpBuffer fnlist = createPQExpBuffer();
int j;
- char *func_def;
+ char *func_def;
char func_lang[NAMEDATALEN + 1];
if (finfo[i].dumped)
typname = findTypeByOid(tinfo, numTypes, finfo[i].argtypes[j]);
appendPQExpBuffer(q, "%s%s",
- (j > 0) ? "," : "",
- fmtId(typname, false));
+ (j > 0) ? "," : "",
+ fmtId(typname, false));
}
appendPQExpBuffer(q, ");\n");
fputs(q->data, fout);
typname = findTypeByOid(tinfo, numTypes, finfo[i].argtypes[j]);
appendPQExpBuffer(q, "%s%s",
- (j > 0) ? "," : "",
- fmtId(typname, false));
+ (j > 0) ? "," : "",
+ fmtId(typname, false));
appendPQExpBuffer(fnlist, "%s%s",
(j > 0) ? "," : "",
fmtId(typname, false));
}
appendPQExpBuffer(q, " ) RETURNS %s%s AS '%s' LANGUAGE '%s';\n",
- (finfo[i].retset) ? " SETOF " : "",
- fmtId(findTypeByOid(tinfo, numTypes, finfo[i].prorettype), false),
- func_def, func_lang);
+ (finfo[i].retset) ? " SETOF " : "",
+ fmtId(findTypeByOid(tinfo, numTypes, finfo[i].prorettype), false),
+ func_def, func_lang);
fputs(q->data, fout);
TypeInfo *tinfo, int numTypes)
{
int i;
- PQExpBuffer q = createPQExpBuffer();
- PQExpBuffer leftarg = createPQExpBuffer();
- PQExpBuffer rightarg = createPQExpBuffer();
- PQExpBuffer commutator = createPQExpBuffer();
- PQExpBuffer negator = createPQExpBuffer();
- PQExpBuffer restrictor = createPQExpBuffer();
- PQExpBuffer join = createPQExpBuffer();
- PQExpBuffer sort1 = createPQExpBuffer();
- PQExpBuffer sort2 = createPQExpBuffer();
+ PQExpBuffer q = createPQExpBuffer();
+ PQExpBuffer leftarg = createPQExpBuffer();
+ PQExpBuffer rightarg = createPQExpBuffer();
+ PQExpBuffer commutator = createPQExpBuffer();
+ PQExpBuffer negator = createPQExpBuffer();
+ PQExpBuffer restrictor = createPQExpBuffer();
+ PQExpBuffer join = createPQExpBuffer();
+ PQExpBuffer sort1 = createPQExpBuffer();
+ PQExpBuffer sort2 = createPQExpBuffer();
for (i = 0; i < numOperators; i++)
{
strcmp(oprinfo[i].oprkind, "b") == 0)
{
appendPQExpBuffer(leftarg, ",\n\tLEFTARG = %s ",
- fmtId(findTypeByOid(tinfo, numTypes, oprinfo[i].oprleft), false));
+ fmtId(findTypeByOid(tinfo, numTypes, oprinfo[i].oprleft), false));
}
if (strcmp(oprinfo[i].oprkind, "l") == 0 ||
strcmp(oprinfo[i].oprkind, "b") == 0)
{
appendPQExpBuffer(rightarg, ",\n\tRIGHTARG = %s ",
- fmtId(findTypeByOid(tinfo, numTypes, oprinfo[i].oprright), false));
+ fmtId(findTypeByOid(tinfo, numTypes, oprinfo[i].oprright), false));
}
if (!(strcmp(oprinfo[i].oprcom, "0") == 0))
appendPQExpBuffer(commutator, ",\n\tCOMMUTATOR = %s ",
{
resetPQExpBuffer(q);
appendPQExpBuffer(q, "DROP OPERATOR %s (%s", oprinfo[i].oprname,
- fmtId(findTypeByOid(tinfo, numTypes, oprinfo[i].oprleft),
- false));
+ fmtId(findTypeByOid(tinfo, numTypes, oprinfo[i].oprleft),
+ false));
appendPQExpBuffer(q, ", %s);\n",
- fmtId(findTypeByOid(tinfo, numTypes, oprinfo[i].oprright),
- false));
+ fmtId(findTypeByOid(tinfo, numTypes, oprinfo[i].oprright),
+ false));
fputs(q->data, fout);
}
resetPQExpBuffer(q);
appendPQExpBuffer(q,
- "CREATE OPERATOR %s "
- "(PROCEDURE = %s %s%s%s%s%s%s%s%s%s);\n",
- oprinfo[i].oprname,
- oprinfo[i].oprcode,
- leftarg->data,
- rightarg->data,
- commutator->data,
- negator->data,
- restrictor->data,
+ "CREATE OPERATOR %s "
+ "(PROCEDURE = %s %s%s%s%s%s%s%s%s%s);\n",
+ oprinfo[i].oprname,
+ oprinfo[i].oprcode,
+ leftarg->data,
+ rightarg->data,
+ commutator->data,
+ negator->data,
+ restrictor->data,
(strcmp(oprinfo[i].oprcanhash, "t") == 0) ? ",\n\tHASHES" : "",
- join->data,
- sort1->data,
- sort2->data);
+ join->data,
+ sort1->data,
+ sort2->data);
fputs(q->data, fout);
}
TypeInfo *tinfo, int numTypes)
{
int i;
- PQExpBuffer q = createPQExpBuffer();
- PQExpBuffer sfunc1 = createPQExpBuffer();
- PQExpBuffer sfunc2 = createPQExpBuffer();
- PQExpBuffer basetype = createPQExpBuffer();
- PQExpBuffer finalfunc = createPQExpBuffer();
+ PQExpBuffer q = createPQExpBuffer();
+ PQExpBuffer sfunc1 = createPQExpBuffer();
+ PQExpBuffer sfunc2 = createPQExpBuffer();
+ PQExpBuffer basetype = createPQExpBuffer();
+ PQExpBuffer finalfunc = createPQExpBuffer();
char comma1[2],
comma2[2];
continue;
appendPQExpBuffer(basetype,
- "BASETYPE = %s, ",
- fmtId(findTypeByOid(tinfo, numTypes, agginfo[i].aggbasetype), false));
+ "BASETYPE = %s, ",
+ fmtId(findTypeByOid(tinfo, numTypes, agginfo[i].aggbasetype), false));
if (!(strcmp(agginfo[i].aggtransfn1, "-") == 0))
{
appendPQExpBuffer(sfunc1,
- "SFUNC1 = %s, STYPE1 = %s",
- agginfo[i].aggtransfn1,
- fmtId(findTypeByOid(tinfo, numTypes, agginfo[i].aggtranstype1), false));
+ "SFUNC1 = %s, STYPE1 = %s",
+ agginfo[i].aggtransfn1,
+ fmtId(findTypeByOid(tinfo, numTypes, agginfo[i].aggtranstype1), false));
if (agginfo[i].agginitval1)
appendPQExpBuffer(sfunc1, ", INITCOND1 = '%s'",
- agginfo[i].agginitval1);
+ agginfo[i].agginitval1);
}
if (!(strcmp(agginfo[i].aggtransfn2, "-") == 0))
{
appendPQExpBuffer(sfunc2,
- "SFUNC2 = %s, STYPE2 = %s",
- agginfo[i].aggtransfn2,
- fmtId(findTypeByOid(tinfo, numTypes, agginfo[i].aggtranstype2), false));
+ "SFUNC2 = %s, STYPE2 = %s",
+ agginfo[i].aggtransfn2,
+ fmtId(findTypeByOid(tinfo, numTypes, agginfo[i].aggtranstype2), false));
if (agginfo[i].agginitval2)
appendPQExpBuffer(sfunc2, ", INITCOND2 = '%s'",
- agginfo[i].agginitval2);
+ agginfo[i].agginitval2);
}
if (!(strcmp(agginfo[i].aggfinalfn, "-") == 0))
{
resetPQExpBuffer(q);
appendPQExpBuffer(q, "DROP AGGREGATE %s %s;\n", agginfo[i].aggname,
- fmtId(findTypeByOid(tinfo, numTypes, agginfo[i].aggbasetype), false));
+ fmtId(findTypeByOid(tinfo, numTypes, agginfo[i].aggbasetype), false));
fputs(q->data, fout);
}
resetPQExpBuffer(q);
appendPQExpBuffer(q, "CREATE AGGREGATE %s ( %s %s%s %s%s %s );\n",
- agginfo[i].aggname,
- basetype->data,
- sfunc1->data,
- comma1,
- sfunc2->data,
- comma2,
- finalfunc->data);
+ agginfo[i].aggname,
+ basetype->data,
+ sfunc1->data,
+ comma1,
+ sfunc2->data,
+ comma2,
+ finalfunc->data);
fputs(q->data, fout);
/*** Dump Aggregate Comments ***/
resetPQExpBuffer(q);
- appendPQExpBuffer(q, "AGGREGATE %s %s", agginfo[i].aggname,
+ appendPQExpBuffer(q, "AGGREGATE %s %s", agginfo[i].aggname,
fmtId(findTypeByOid(tinfo, numTypes, agginfo[i].aggbasetype), false));
dumpComment(fout, q->data, agginfo[i].oid);
/* Scan comma-separated ACL items */
for (tok = strtok(aclbuf, ","); tok != NULL; tok = strtok(NULL, ","))
{
+
/*
* Token may start with '{' and/or '"'. Actually only the start
* of the string should have '{', but we don't verify that.
int i,
j,
k;
- PQExpBuffer q = createPQExpBuffer();
- char *serialSeq = NULL; /* implicit sequence name created
+ PQExpBuffer q = createPQExpBuffer();
+ char *serialSeq = NULL; /* implicit sequence name created
* by SERIAL datatype */
const char *serialSeqSuffix = "_id_seq"; /* suffix for implicit
* SERIAL sequences */
appendPQExpBuffer(q, "character");
if (len > 1)
appendPQExpBuffer(q, "(%d)",
- tblinfo[i].atttypmod[j] - VARHDRSZ);
+ tblinfo[i].atttypmod[j] - VARHDRSZ);
}
else if (!strcmp(tblinfo[i].typnames[j], "varchar"))
{
if (tblinfo[i].atttypmod[j] != -1)
{
appendPQExpBuffer(q, "(%d)",
- tblinfo[i].atttypmod[j] - VARHDRSZ);
+ tblinfo[i].atttypmod[j] - VARHDRSZ);
}
}
else if (!strcmp(tblinfo[i].typnames[j], "numeric"))
precision = (tmp_typmod >> 16) & 0xffff;
scale = tmp_typmod & 0xffff;
appendPQExpBuffer(q, "(%d,%d)",
- precision, scale);
+ precision, scale);
}
}
else if (!strcmp(tblinfo[i].typnames[j], "char"))
{
appendPQExpBuffer(q, "%s",
- fmtId(tblinfo[i].typnames[j], true));
+ fmtId(tblinfo[i].typnames[j], true));
}
else
{
appendPQExpBuffer(q, "%s",
- fmtId(tblinfo[i].typnames[j], false));
+ fmtId(tblinfo[i].typnames[j], false));
}
if (tblinfo[i].adef_expr[j] != NULL)
appendPQExpBuffer(q, " DEFAULT %s",
- tblinfo[i].adef_expr[j]);
+ tblinfo[i].adef_expr[j]);
if (tblinfo[i].notnull[j])
appendPQExpBuffer(q, " NOT NULL");
actual_atts++;
if (actual_atts + k > 0)
appendPQExpBuffer(q, ",\n\t");
appendPQExpBuffer(q, "%s",
- tblinfo[i].check_expr[k]);
+ tblinfo[i].check_expr[k]);
}
- /* PRIMARY KEY */
- if (tblinfo[i].primary_key) {
- if (actual_atts + tblinfo[i].ncheck > 0)
- appendPQExpBuffer(q, ",\n\t");
- appendPQExpBuffer(q, "PRIMARY KEY (%s)", tblinfo[i].primary_key);
- }
+ /* PRIMARY KEY */
+ if (tblinfo[i].primary_key)
+ {
+ if (actual_atts + tblinfo[i].ncheck > 0)
+ appendPQExpBuffer(q, ",\n\t");
+ appendPQExpBuffer(q, "PRIMARY KEY (%s)", tblinfo[i].primary_key);
+ }
- appendPQExpBuffer(q, "\n)");
+ appendPQExpBuffer(q, "\n)");
if (numParents > 0)
{
for (k = 0; k < numParents; k++)
{
appendPQExpBuffer(q, "%s%s",
- (k > 0) ? ", " : "",
- fmtId(parentRels[k], force_quotes));
+ (k > 0) ? ", " : "",
+ fmtId(parentRels[k], force_quotes));
}
appendPQExpBuffer(q, ")");
}
if (!aclsSkip)
dumpACL(fout, tblinfo[i]);
- /* Dump Field Comments */
+ /* Dump Field Comments */
- for (j = 0; j < tblinfo[i].numatts; j++) {
+ for (j = 0; j < tblinfo[i].numatts; j++)
+ {
resetPQExpBuffer(q);
appendPQExpBuffer(q, "COLUMN %s", fmtId(tblinfo[i].relname, force_quotes));
appendPQExpBuffer(q, ".");
appendPQExpBuffer(q, "%s", fmtId(tblinfo[i].attnames[j], force_quotes));
dumpComment(fout, q->data, tblinfo[i].attoids[j]);
}
-
+
/* Dump Table Comments */
-
+
resetPQExpBuffer(q);
appendPQExpBuffer(q, "TABLE %s", fmtId(tblinfo[i].relname, force_quotes));
dumpComment(fout, q->data, tblinfo[i].oid);
-
+
}
}
}
int i,
k;
int tableInd;
- PQExpBuffer attlist = createPQExpBuffer();
+ PQExpBuffer attlist = createPQExpBuffer();
char *classname[INDEX_MAX_KEYS];
char *funcname; /* the name of the function to comput the
* index key from */
indclass;
int nclass;
- PQExpBuffer q = createPQExpBuffer(),
+ PQExpBuffer q = createPQExpBuffer(),
id1 = createPQExpBuffer(),
id2 = createPQExpBuffer();
PGresult *res;
*/
resetPQExpBuffer(q);
appendPQExpBuffer(q,
- "SELECT proname from pg_proc "
- "where pg_proc.oid = '%s'::oid",
- indinfo[i].indproc);
+ "SELECT proname from pg_proc "
+ "where pg_proc.oid = '%s'::oid",
+ indinfo[i].indproc);
res = PQexec(g_conn, q->data);
if (!res || PQresultStatus(res) != PGRES_TUPLES_OK)
{
break;
resetPQExpBuffer(q);
appendPQExpBuffer(q,
- "SELECT opcname from pg_opclass "
- "where pg_opclass.oid = '%u'::oid",
- indclass);
+ "SELECT opcname from pg_opclass "
+ "where pg_opclass.oid = '%u'::oid",
+ indclass);
res = PQexec(g_conn, q->data);
if (!res || PQresultStatus(res) != PGRES_TUPLES_OK)
{
appendPQExpBuffer(id1, fmtId(attname, force_quotes));
appendPQExpBuffer(id2, fmtId(classname[k], force_quotes));
appendPQExpBuffer(attlist, "%s%s %s",
- (k == 0) ? "" : ", ", id1->data, id2->data);
+ (k == 0) ? "" : ", ", id1->data, id2->data);
free(classname[k]);
}
}
resetPQExpBuffer(q);
appendPQExpBuffer(q, "INDEX %s", id1->data);
dumpComment(fout, q->data, indinfo[i].indoid);
-
+
}
}
if (res == NULL ||
PQresultStatus(res) != PGRES_TUPLES_OK)
{
- fprintf(stderr,"pg_dump error in finding the template1 database.");
- fprintf(stderr,"Explanation from backend: '%s'.\n", PQerrorMessage(g_conn));
+ fprintf(stderr, "pg_dump error in finding the template1 database.");
+ fprintf(stderr, "Explanation from backend: '%s'.\n", PQerrorMessage(g_conn));
exit_nicely(g_conn);
}
ntups = PQntuples(res);
if (ntups < 1)
{
- fprintf(stderr,"pg_dump: couldn't find the template1 database.\n");
- fprintf(stderr,"There is no 'template1' entry in the 'pg_database' table.\n");
+ fprintf(stderr, "pg_dump: couldn't find the template1 database.\n");
+ fprintf(stderr, "There is no 'template1' entry in the 'pg_database' table.\n");
exit_nicely(g_conn);
}
if (ntups > 1)
{
- fprintf(stderr,"pg_dump: found more than one template1 database.\n");
- fprintf(stderr,"There is more than one 'template1' entry in the 'pg_database' table\n");
+ fprintf(stderr, "pg_dump: found more than one template1 database.\n");
+ fprintf(stderr, "There is more than one 'template1' entry in the 'pg_database' table\n");
exit_nicely(g_conn);
}
last_oid = atoi(PQgetvalue(res, 0, PQfnumber(res, "oid")));
static void
dumpSequence(FILE *fout, TableInfo tbinfo)
{
- PGresult *res;
+ PGresult *res;
int4 last,
incby,
maxv,
cache;
char cycled,
called;
- const char *t;
- PQExpBuffer query = createPQExpBuffer();
+ const char *t;
+ PQExpBuffer query = createPQExpBuffer();
appendPQExpBuffer(query,
"SELECT sequence_name, last_value, increment_by, max_value, "
- "min_value, cache_value, is_cycled, is_called from %s",
- fmtId(tbinfo.relname, force_quotes));
+ "min_value, cache_value, is_cycled, is_called from %s",
+ fmtId(tbinfo.relname, force_quotes));
res = PQexec(g_conn, query->data);
if (!res || PQresultStatus(res) != PGRES_TUPLES_OK)
resetPQExpBuffer(query);
appendPQExpBuffer(query,
- "CREATE SEQUENCE %s start %d increment %d maxvalue %d "
- "minvalue %d cache %d %s;\n",
+ "CREATE SEQUENCE %s start %d increment %d maxvalue %d "
+ "minvalue %d cache %d %s;\n",
fmtId(tbinfo.relname, force_quotes), last, incby, maxv, minv, cache,
- (cycled == 't') ? "cycle" : "");
+ (cycled == 't') ? "cycle" : "");
fputs(query->data, fout);
int nrules;
int i,
t;
- PQExpBuffer query = createPQExpBuffer();
+ PQExpBuffer query = createPQExpBuffer();
int i_definition;
- int i_oid;
- int i_rulename;
+ int i_oid;
+ int i_rulename;
if (g_verbose)
fprintf(stderr, "%s dumping out rules %s\n",
*/
resetPQExpBuffer(query);
appendPQExpBuffer(query, "SELECT pg_get_ruledef(pg_rewrite.rulename) "
- "AS definition, pg_rewrite.oid, pg_rewrite.rulename FROM pg_rewrite, pg_class "
- "WHERE pg_class.relname = '%s' "
- "AND pg_rewrite.ev_class = pg_class.oid "
- "ORDER BY pg_rewrite.oid",
- tblinfo[t].relname);
+ "AS definition, pg_rewrite.oid, pg_rewrite.rulename FROM pg_rewrite, pg_class "
+ "WHERE pg_class.relname = '%s' "
+ "AND pg_rewrite.ev_class = pg_class.oid "
+ "ORDER BY pg_rewrite.oid",
+ tblinfo[t].relname);
res = PQexec(g_conn, query->data);
if (!res ||
PQresultStatus(res) != PGRES_TUPLES_OK)
* Dump them out
*/
- for (i = 0; i < nrules; i++) {
-
+ for (i = 0; i < nrules; i++)
+ {
+
fprintf(fout, "%s\n", PQgetvalue(res, i, i_definition));
/* Dump rule comments */
resetPQExpBuffer(query);
appendPQExpBuffer(query, "RULE %s", fmtId(PQgetvalue(res, i, i_rulename), force_quotes));
dumpComment(fout, query->data, PQgetvalue(res, i, i_oid));
-
+
}
PQclear(res);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pg_dump.h,v 1.47 2000/01/26 05:57:38 momjian Exp $
+ * $Id: pg_dump.h,v 1.48 2000/04/12 17:16:15 momjian Exp $
*
* Modifications - 6/12/96 - dave@bensoft.com - version 1.13.dhb.2
*
* attribute if the value is 1, then this
* attribute is an inherited attribute */
char **attnames; /* the attribute names */
- char **attoids; /* oids of the various attributes */
+ char **attoids; /* oids of the various attributes */
char **typnames; /* fill out attributes */
bool *notnull; /* Not null constraints of an attribute */
char **adef_expr; /* DEFAULT expressions */
char **check_expr; /* [CONSTRAINT name] CHECK expressions */
int ntrig; /* # of triggers */
char **triggers; /* CREATE TRIGGER ... */
- char **trcomments; /* COMMENT ON TRIGGER ... */
- char **troids; /* TRIGGER oids */
- char *primary_key; /* PRIMARY KEY of the table, if any */
+ char **trcomments; /* COMMENT ON TRIGGER ... */
+ char **troids; /* TRIGGER oids */
+ char *primary_key; /* PRIMARY KEY of the table, if any */
} TableInfo;
typedef struct _inhInfo
typedef struct _indInfo
{
- char *indoid; /* oid of the pg_class entry for the index */
+ char *indoid; /* oid of the pg_class entry for the index */
char *indexrelname; /* name of the secondary index class */
char *indrelname; /* name of the indexed heap class */
char *indamname; /* name of the access method (e.g. btree,
TableInfo *tbinfo, int numTables, const char *tablename);
extern const char *fmtId(const char *identifier, bool force_quotes);
-#endif /* PG_DUMP_H */
+#endif /* PG_DUMP_H */
*
* Copyright (C) 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/pg_id/Attic/pg_id.c,v 1.13 2000/02/16 13:15:25 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/pg_id/Attic/pg_id.c,v 1.14 2000/04/12 17:16:17 momjian Exp $
*/
#include <postgres.h>
#include <unistd.h>
#include <sys/types.h>
-int main(int argc, char * argv[])
+int
+main(int argc, char *argv[])
{
- int c;
- int nameflag = 0,
- realflag = 0,
- userflag = 0;
- const char * username = NULL;
+ int c;
+ int nameflag = 0,
+ realflag = 0,
+ userflag = 0;
+ const char *username = NULL;
- struct passwd * pw;
+ struct passwd *pw;
- while ((c = getopt(argc, argv, "nru")) != -1)
- {
- switch(c)
- {
- case 'n':
- nameflag = 1;
- break;
- case 'r':
- realflag = 1;
- break;
- case 'u':
- userflag = 1;
- break;
- default:
- fprintf(stderr, "Usage: %s [-n] [-r] [-u] [username]\n", argv[0]);
- exit(1);
- }
- }
+ while ((c = getopt(argc, argv, "nru")) != -1)
+ {
+ switch (c)
+ {
+ case 'n':
+ nameflag = 1;
+ break;
+ case 'r':
+ realflag = 1;
+ break;
+ case 'u':
+ userflag = 1;
+ break;
+ default:
+ fprintf(stderr, "Usage: %s [-n] [-r] [-u] [username]\n", argv[0]);
+ exit(1);
+ }
+ }
- if (argc - optind >= 1)
- username = argv[optind];
+ if (argc - optind >= 1)
+ username = argv[optind];
- if (nameflag && !userflag)
- {
- fprintf(stderr, "%s: -n must be used together with -u\n", argv[0]);
- exit(1);
- }
- if (username && realflag)
- {
- fprintf(stderr, "%s: -r cannot be used when a user name is given\n", argv[0]);
- exit(1);
- }
+ if (nameflag && !userflag)
+ {
+ fprintf(stderr, "%s: -n must be used together with -u\n", argv[0]);
+ exit(1);
+ }
+ if (username && realflag)
+ {
+ fprintf(stderr, "%s: -r cannot be used when a user name is given\n", argv[0]);
+ exit(1);
+ }
- if (username)
- {
- pw = getpwnam(username);
- if (!pw)
- {
- fprintf(stderr, "%s: %s: no such user\n", argv[0], username);
- exit(1);
- }
- }
- else if (realflag)
- pw = getpwuid(getuid());
- else
- pw = getpwuid(geteuid());
-
- if (!pw)
- {
- perror(argv[0]);
- exit(1);
- }
+ if (username)
+ {
+ pw = getpwnam(username);
+ if (!pw)
+ {
+ fprintf(stderr, "%s: %s: no such user\n", argv[0], username);
+ exit(1);
+ }
+ }
+ else if (realflag)
+ pw = getpwuid(getuid());
+ else
+ pw = getpwuid(geteuid());
- if (!userflag)
- printf("uid=%d(%s)\n", (int)pw->pw_uid, pw->pw_name);
- else if (nameflag)
- puts(pw->pw_name);
- else
- printf("%d\n", (int)pw->pw_uid);
+ if (!pw)
+ {
+ perror(argv[0]);
+ exit(1);
+ }
- return 0;
+ if (!userflag)
+ printf("uid=%d(%s)\n", (int) pw->pw_uid, pw->pw_name);
+ else if (nameflag)
+ puts(pw->pw_name);
+ else
+ printf("%d\n", (int) pw->pw_uid);
+
+ return 0;
}
#endif
char *comname;
-static void usage(FILE *stream);
-static void read_pwd_file(char *filename);
-static void write_pwd_file(char *filename, char *bkname);
-static void encrypt_pwd(char key[9], char salt[3], char passwd[14]);
-static void prompt_for_username(char *username);
-static void prompt_for_password(char *prompt, char *password);
+static void usage(FILE *stream);
+static void read_pwd_file(char *filename);
+static void write_pwd_file(char *filename, char *bkname);
+static void encrypt_pwd(char key[9], char salt[3], char passwd[14]);
+static void prompt_for_username(char *username);
+static void prompt_for_password(char *prompt, char *password);
static void
usage(FILE *stream)
return strncmp(shouldbe, passwd, 13) == 0 ? 1 : 0;
}
+
#endif
static void
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/command.c,v 1.27 2000/04/11 17:35:50 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/command.c,v 1.28 2000/04/12 17:16:22 momjian Exp $
*/
#include "postgres.h"
#include "command.h"
static backslashResult exec_command(const char *cmd,
const char *options_string,
- const char ** continue_parse,
+ const char **continue_parse,
PQExpBuffer query_buf);
-enum option_type { OT_NORMAL, OT_SQLID };
-static char * scan_option(char ** string, enum option_type type, char * quote);
-static char * unescape(const unsigned char *source, size_t len);
+enum option_type
+{
+ OT_NORMAL, OT_SQLID
+};
+static char *scan_option(char **string, enum option_type type, char *quote);
+static char *unescape(const unsigned char *source, size_t len);
static bool do_edit(const char *filename_arg, PQExpBuffer query_buf);
static bool do_connect(const char *new_dbname, const char *new_user);
{
backslashResult status = CMD_SKIP_LINE;
char *my_line;
- char *options_string = NULL;
+ char *options_string = NULL;
size_t blank_loc;
const char *continue_parse = NULL; /* tell the mainloop where the
* backslash command ended */
#ifdef USE_ASSERT_CHECKING
- assert(line);
- assert(end_of_cmd);
+ assert(line);
+ assert(end_of_cmd);
#endif
my_line = xstrdup(line);
/*
- * Find the first whitespace. line[blank_loc] will now
- * be the whitespace character or the \0 at the end
- *
- * Also look for a backslash, so stuff like \p\g works.
+ * Find the first whitespace. line[blank_loc] will now be the
+ * whitespace character or the \0 at the end
+ *
+ * Also look for a backslash, so stuff like \p\g works.
*/
blank_loc = strcspn(my_line, " \t\\");
- if (my_line[blank_loc] == '\\')
- {
- continue_parse = &my_line[blank_loc];
+ if (my_line[blank_loc] == '\\')
+ {
+ continue_parse = &my_line[blank_loc];
my_line[blank_loc] = '\0';
- }
+ }
/* do we have an option string? */
else if (my_line[blank_loc] != '\0')
- {
- options_string = &my_line[blank_loc + 1];
+ {
+ options_string = &my_line[blank_loc + 1];
my_line[blank_loc] = '\0';
}
if (status == CMD_UNKNOWN)
{
+
/*
- * If the command was not recognized, try inserting a space after the
- * first letter and call again. The one letter commands allow arguments
- * to start immediately after the command, but that is no longer
- * encouraged.
+ * If the command was not recognized, try inserting a space after
+ * the first letter and call again. The one letter commands allow
+ * arguments to start immediately after the command, but that is
+ * no longer encouraged.
*/
char new_cmd[2];
status = exec_command(new_cmd, my_line + 1, &continue_parse, query_buf);
- if (status != CMD_UNKNOWN && isalpha(new_cmd[0]))
- psql_error("Warning: this syntax is deprecated\n");
+ if (status != CMD_UNKNOWN && isalpha(new_cmd[0]))
+ psql_error("Warning: this syntax is deprecated\n");
}
if (status == CMD_UNKNOWN)
{
- if (pset.cur_cmd_interactive)
- fprintf(stderr, "Invalid command \\%s. Try \\? for help.\n", my_line);
- else
- psql_error("invalid command \\%s\n", my_line);
+ if (pset.cur_cmd_interactive)
+ fprintf(stderr, "Invalid command \\%s. Try \\? for help.\n", my_line);
+ else
+ psql_error("invalid command \\%s\n", my_line);
status = CMD_ERROR;
}
if (continue_parse && *continue_parse && *(continue_parse + 1) == '\\')
continue_parse += 2;
- if (end_of_cmd)
- {
- if (continue_parse)
- *end_of_cmd = line + (continue_parse - my_line);
- else
- *end_of_cmd = line + strlen(line);
- }
+ if (end_of_cmd)
+ {
+ if (continue_parse)
+ *end_of_cmd = line + (continue_parse - my_line);
+ else
+ *end_of_cmd = line + strlen(line);
+ }
free(my_line);
static backslashResult
exec_command(const char *cmd,
const char *options_string,
- const char ** continue_parse,
+ const char **continue_parse,
PQExpBuffer query_buf)
{
bool success = true; /* indicate here if the command ran ok or
* failed */
bool quiet = QUIET();
backslashResult status = CMD_SKIP_LINE;
- char *string, *string_cpy;
-
- /*
- * The 'string' variable will be overwritten to point to the next token,
- * hence we need an extra pointer so we can free this at the end.
- */
- if (options_string)
- string = string_cpy = xstrdup(options_string);
- else
- string = string_cpy = NULL;
-
- /* \a -- toggle field alignment This makes little sense but we keep it around. */
+ char *string,
+ *string_cpy;
+
+ /*
+ * The 'string' variable will be overwritten to point to the next
+ * token, hence we need an extra pointer so we can free this at the
+ * end.
+ */
+ if (options_string)
+ string = string_cpy = xstrdup(options_string);
+ else
+ string = string_cpy = NULL;
+
+ /*
+ * \a -- toggle field alignment This makes little sense but we keep it
+ * around.
+ */
if (strcmp(cmd, "a") == 0)
{
if (pset.popt.topt.format != PRINT_ALIGNED)
/* \C -- override table title (formerly change HTML caption) */
else if (strcmp(cmd, "C") == 0)
- {
- char * opt = scan_option(&string, OT_NORMAL, NULL);
+ {
+ char *opt = scan_option(&string, OT_NORMAL, NULL);
+
success = do_pset("title", opt, &pset.popt, quiet);
- free(opt);
- }
+ free(opt);
+ }
/*----------
* \c or \connect -- connect to new database or as different user
*
* \c foo bar connect to db "foo" as user "bar"
- * \c foo [-] connect to db "foo" as current user
- * \c - bar connect to current db as user "bar"
- * \c connect to default db as default user
- *----------
+ * \c foo [-] connect to db "foo" as current user
+ * \c - bar connect to current db as user "bar"
+ * \c connect to default db as default user
+ *----------
*/
else if (strcmp(cmd, "c") == 0 || strcmp(cmd, "connect") == 0)
{
- char *opt1, *opt2;
- char opt1q, opt2q;
+ char *opt1,
+ *opt2;
+ char opt1q,
+ opt2q;
- opt1 = scan_option(&string, OT_NORMAL, &opt1q);
- opt2 = scan_option(&string, OT_NORMAL, &opt2q);
+ opt1 = scan_option(&string, OT_NORMAL, &opt1q);
+ opt2 = scan_option(&string, OT_NORMAL, &opt2q);
if (opt2)
/* gave username */
- success = do_connect(!opt1q && (strcmp(opt1, "-")==0 || strcmp(opt1, "")==0) ? "" : opt1,
- !opt2q && (strcmp(opt2, "-")==0 || strcmp(opt2, "")==0) ? "" : opt2);
+ success = do_connect(!opt1q && (strcmp(opt1, "-") == 0 || strcmp(opt1, "") == 0) ? "" : opt1,
+ !opt2q && (strcmp(opt2, "-") == 0 || strcmp(opt2, "") == 0) ? "" : opt2);
else if (opt1)
- /* gave database name */
- success = do_connect(!opt1q && (strcmp(opt1, "-")==0 || strcmp(opt1, "")==0) ? "" : opt1, "");
- else
- /* connect to default db as default user */
- success = do_connect(NULL, NULL);
-
- free(opt1);
- free(opt2);
+ /* gave database name */
+ success = do_connect(!opt1q && (strcmp(opt1, "-") == 0 || strcmp(opt1, "") == 0) ? "" : opt1, "");
+ else
+ /* connect to default db as default user */
+ success = do_connect(NULL, NULL);
+
+ free(opt1);
+ free(opt2);
}
/* \copy */
else if (strcasecmp(cmd, "copy") == 0)
- {
+ {
success = do_copy(options_string);
- if (options_string)
- string += strlen(string);
- }
+ if (options_string)
+ string += strlen(string);
+ }
/* \copyright */
else if (strcmp(cmd, "copyright") == 0)
/* \d* commands */
else if (cmd[0] == 'd')
{
- char * name;
- bool show_verbose;
+ char *name;
+ bool show_verbose;
- name = scan_option(&string, OT_SQLID, NULL);
- show_verbose = strchr(cmd, '+') ? true : false;
+ name = scan_option(&string, OT_SQLID, NULL);
+ show_verbose = strchr(cmd, '+') ? true : false;
switch (cmd[1])
{
case '\0':
- case '+':
+ case '+':
if (name)
success = describeTableDetails(name, show_verbose);
else
- /* standard listing of interesting things */
+ /* standard listing of interesting things */
success = listTables("tvs", NULL, show_verbose);
break;
case 'a':
default:
status = CMD_UNKNOWN;
}
- free(name);
+ free(name);
}
* the query buffer
*/
else if (strcmp(cmd, "e") == 0 || strcmp(cmd, "edit") == 0)
- {
- char * fname;
-
- if (!query_buf)
- {
- psql_error("no query buffer\n");
- status = CMD_ERROR;
- }
- else
- {
- fname = scan_option(&string, OT_NORMAL, NULL);
- status = do_edit(fname, query_buf) ? CMD_NEWEDIT : CMD_ERROR;
- free(fname);
- }
- }
+ {
+ char *fname;
+
+ if (!query_buf)
+ {
+ psql_error("no query buffer\n");
+ status = CMD_ERROR;
+ }
+ else
+ {
+ fname = scan_option(&string, OT_NORMAL, NULL);
+ status = do_edit(fname, query_buf) ? CMD_NEWEDIT : CMD_ERROR;
+ free(fname);
+ }
+ }
/* \echo and \qecho */
- else if (strcmp(cmd, "echo") == 0 || strcmp(cmd, "qecho")==0)
+ else if (strcmp(cmd, "echo") == 0 || strcmp(cmd, "qecho") == 0)
{
- char * value;
- char quoted;
- bool no_newline = false;
- bool first = true;
- FILE * fout;
-
- if (strcmp(cmd, "qecho")==0)
- fout = pset.queryFout;
- else
- fout = stdout;
-
- while((value = scan_option(&string, OT_NORMAL, "ed)))
- {
- if (!quoted && strcmp(value, "-n")==0)
- no_newline = true;
- else
- {
- if (first)
- first = false;
- else
- fputc(' ', fout);
- fputs(value, fout);
- }
- free(value);
- }
- if (!no_newline)
- fputs("\n", fout);
+ char *value;
+ char quoted;
+ bool no_newline = false;
+ bool first = true;
+ FILE *fout;
+
+ if (strcmp(cmd, "qecho") == 0)
+ fout = pset.queryFout;
+ else
+ fout = stdout;
+
+ while ((value = scan_option(&string, OT_NORMAL, "ed)))
+ {
+ if (!quoted && strcmp(value, "-n") == 0)
+ no_newline = true;
+ else
+ {
+ if (first)
+ first = false;
+ else
+ fputc(' ', fout);
+ fputs(value, fout);
+ }
+ free(value);
+ }
+ if (!no_newline)
+ fputs("\n", fout);
}
/* \encoding -- set/show client side encoding */
else if (strcmp(cmd, "encoding") == 0)
{
- char *encoding = scan_option(&string, OT_NORMAL, NULL);
+ char *encoding = scan_option(&string, OT_NORMAL, NULL);
- if (!encoding)
+ if (!encoding)
/* show encoding */
puts(pg_encoding_to_char(pset.encoding));
- else
+ else
{
#ifdef MULTIBYTE
/* set encoding */
#else
psql_error("\\%s: multi-byte support is not enabled\n", cmd);
#endif
- free(encoding);
- }
+ free(encoding);
+ }
}
/* \f -- change field separator */
else if (strcmp(cmd, "f") == 0)
- {
- char * fname = scan_option(&string, OT_NORMAL, NULL);
+ {
+ char *fname = scan_option(&string, OT_NORMAL, NULL);
+
success = do_pset("fieldsep", fname, &pset.popt, quiet);
- free(fname);
- }
+ free(fname);
+ }
/* \g means send query */
else if (strcmp(cmd, "g") == 0)
{
- char * fname = scan_option(&string, OT_NORMAL, NULL);
+ char *fname = scan_option(&string, OT_NORMAL, NULL);
+
if (!fname)
pset.gfname = NULL;
else
pset.gfname = xstrdup(fname);
- free(fname);
+ free(fname);
status = CMD_SEND;
}
/* help */
else if (strcmp(cmd, "h") == 0 || strcmp(cmd, "help") == 0)
- {
+ {
helpSQL(options_string ? &options_string[strspn(options_string, " \t")] : NULL);
- /* set pointer to end of line */
- if (string)
- string += strlen(string);
- }
+ /* set pointer to end of line */
+ if (string)
+ string += strlen(string);
+ }
/* HTML mode */
else if (strcmp(cmd, "H") == 0 || strcmp(cmd, "html") == 0)
- {
+ {
if (pset.popt.topt.format != PRINT_HTML)
success = do_pset("format", "html", &pset.popt, quiet);
else
success = do_pset("format", "aligned", &pset.popt, quiet);
- }
+ }
/* \i is include file */
else if (strcmp(cmd, "i") == 0 || strcmp(cmd, "include") == 0)
{
- char * fname = scan_option(&string, OT_NORMAL, NULL);
+ char *fname = scan_option(&string, OT_NORMAL, NULL);
+
if (!fname)
- {
- psql_error("\\%s: missing required argument\n", cmd);
+ {
+ psql_error("\\%s: missing required argument\n", cmd);
success = false;
}
else
- {
+ {
success = (process_file(fname) == EXIT_SUCCESS);
- free (fname);
- }
+ free(fname);
+ }
}
/* \l is list databases */
success = listAllDbs(true);
/*
- * large object things
- */
+ * large object things
+ */
else if (strncmp(cmd, "lo_", 3) == 0)
{
- char *opt1, *opt2;
+ char *opt1,
+ *opt2;
- opt1 = scan_option(&string, OT_NORMAL, NULL);
- opt2 = scan_option(&string, OT_NORMAL, NULL);
+ opt1 = scan_option(&string, OT_NORMAL, NULL);
+ opt2 = scan_option(&string, OT_NORMAL, NULL);
if (strcmp(cmd + 3, "export") == 0)
{
if (!opt2)
{
- psql_error("\\%s: missing required argument\n", cmd);
+ psql_error("\\%s: missing required argument\n", cmd);
success = false;
}
else
{
if (!opt1)
{
- psql_error("\\%s: missing required argument\n", cmd);
+ psql_error("\\%s: missing required argument\n", cmd);
success = false;
}
else
{
if (!opt1)
{
- psql_error("\\%s: missing required argument\n", cmd);
+ psql_error("\\%s: missing required argument\n", cmd);
success = false;
}
else
else
status = CMD_UNKNOWN;
- free(opt1);
- free(opt2);
+ free(opt1);
+ free(opt2);
}
/* \o -- set query output */
else if (strcmp(cmd, "o") == 0 || strcmp(cmd, "out") == 0)
- {
- char * fname = scan_option(&string, OT_NORMAL, NULL);
+ {
+ char *fname = scan_option(&string, OT_NORMAL, NULL);
+
success = setQFout(fname);
- free(fname);
- }
+ free(fname);
+ }
/* \p prints the current query buffer */
else if (strcmp(cmd, "p") == 0 || strcmp(cmd, "print") == 0)
/* \pset -- set printing parameters */
else if (strcmp(cmd, "pset") == 0)
{
- char * opt0 = scan_option(&string, OT_NORMAL, NULL);
- char * opt1 = scan_option(&string, OT_NORMAL, NULL);
+ char *opt0 = scan_option(&string, OT_NORMAL, NULL);
+ char *opt1 = scan_option(&string, OT_NORMAL, NULL);
+
if (!opt0)
{
- psql_error("\\%s: missing required argument\n", cmd);
+ psql_error("\\%s: missing required argument\n", cmd);
success = false;
}
else
success = do_pset(opt0, opt1, &pset.popt, quiet);
- free(opt0);
- free(opt1);
+ free(opt0);
+ free(opt1);
}
/* \q or \quit */
/* \s save history in a file or show it on the screen */
else if (strcmp(cmd, "s") == 0)
{
- char *fname = scan_option(&string, OT_NORMAL, NULL);
+ char *fname = scan_option(&string, OT_NORMAL, NULL);
success = saveHistory(fname ? fname : "/dev/tty");
if (success && !quiet && fname)
printf("Wrote history to %s.\n", fname);
- free(fname);
+ free(fname);
}
/* \set -- generalized set variable/option command */
else if (strcmp(cmd, "set") == 0)
{
- char * opt0 = scan_option(&string, OT_NORMAL, NULL);
+ char *opt0 = scan_option(&string, OT_NORMAL, NULL);
if (!opt0)
{
/* list all variables */
/*
- * XXX
- * This is in utter violation of the GetVariable abstraction, but I
- * have not bothered to do it better.
+ * XXX This is in utter violation of the GetVariable
+ * abstraction, but I have not bothered to do it better.
*/
struct _variable *ptr;
}
else
{
- /*
- * Set variable to the concatenation of the arguments.
- */
- char * newval = NULL;
- char * opt;
-
- opt = scan_option(&string, OT_NORMAL, NULL);
- newval = xstrdup(opt ? opt : "");
- free(opt);
-
- while ((opt = scan_option(&string, OT_NORMAL, NULL)))
- {
- newval = realloc(newval, strlen(newval) + strlen(opt) + 1);
- if (!newval)
- {
- psql_error("out of memory\n");
- exit(EXIT_FAILURE);
- }
- strcat(newval, opt);
- free(opt);
- }
+
+ /*
+ * Set variable to the concatenation of the arguments.
+ */
+ char *newval = NULL;
+ char *opt;
+
+ opt = scan_option(&string, OT_NORMAL, NULL);
+ newval = xstrdup(opt ? opt : "");
+ free(opt);
+
+ while ((opt = scan_option(&string, OT_NORMAL, NULL)))
+ {
+ newval = realloc(newval, strlen(newval) + strlen(opt) + 1);
+ if (!newval)
+ {
+ psql_error("out of memory\n");
+ exit(EXIT_FAILURE);
+ }
+ strcat(newval, opt);
+ free(opt);
+ }
if (!SetVariable(pset.vars, opt0, newval))
{
- psql_error("\\%s: error\n", cmd);
+ psql_error("\\%s: error\n", cmd);
success = false;
}
- free(newval);
+ free(newval);
}
- free(opt0);
+ free(opt0);
}
/* \t -- turn off headers and row count */
/* \T -- define html <table ...> attributes */
else if (strcmp(cmd, "T") == 0)
- {
- char * value = scan_option(&string, OT_NORMAL, NULL);
+ {
+ char *value = scan_option(&string, OT_NORMAL, NULL);
+
success = do_pset("tableattr", value, &pset.popt, quiet);
- free(value);
- }
-
- /* \unset */
- else if (strcmp(cmd, "unset") == 0)
- {
- char * opt = scan_option(&string, OT_NORMAL, NULL);
- if (!opt)
- {
- psql_error("\\%s: missing required argument\n", cmd);
- success = false;
- }
- if (!SetVariable(pset.vars, opt, NULL))
- {
- psql_error("\\%s: error\n", cmd);
- success = false;
- }
- free(opt);
- }
+ free(value);
+ }
+
+ /* \unset */
+ else if (strcmp(cmd, "unset") == 0)
+ {
+ char *opt = scan_option(&string, OT_NORMAL, NULL);
+
+ if (!opt)
+ {
+ psql_error("\\%s: missing required argument\n", cmd);
+ success = false;
+ }
+ if (!SetVariable(pset.vars, opt, NULL))
+ {
+ psql_error("\\%s: error\n", cmd);
+ success = false;
+ }
+ free(opt);
+ }
/* \w -- write query buffer to file */
else if (strcmp(cmd, "w") == 0 || strcmp(cmd, "write") == 0)
{
FILE *fd = NULL;
bool is_pipe = false;
- char *fname = NULL;
-
- if (!query_buf)
- {
- psql_error("no query buffer\n");
- status = CMD_ERROR;
- }
- else
- {
- fname = scan_option(&string, OT_NORMAL, NULL);
-
- if (!fname)
- {
- psql_error("\\%s: missing required argument\n", cmd);
- success = false;
- }
- else
- {
- if (fname[0] == '|')
- {
- is_pipe = true;
- fd = popen(&fname[1], "w");
- }
- else
- fd = fopen(fname, "w");
-
- if (!fd)
- {
- psql_error("%s: %s\n", fname, strerror(errno));
- success = false;
- }
- }
- }
+ char *fname = NULL;
+
+ if (!query_buf)
+ {
+ psql_error("no query buffer\n");
+ status = CMD_ERROR;
+ }
+ else
+ {
+ fname = scan_option(&string, OT_NORMAL, NULL);
+
+ if (!fname)
+ {
+ psql_error("\\%s: missing required argument\n", cmd);
+ success = false;
+ }
+ else
+ {
+ if (fname[0] == '|')
+ {
+ is_pipe = true;
+ fd = popen(&fname[1], "w");
+ }
+ else
+ fd = fopen(fname, "w");
+
+ if (!fd)
+ {
+ psql_error("%s: %s\n", fname, strerror(errno));
+ success = false;
+ }
+ }
+ }
if (fd)
{
if (result == EOF)
{
- psql_error("%s: %s\n", fname, strerror(errno));
+ psql_error("%s: %s\n", fname, strerror(errno));
success = false;
}
}
- free(fname);
+ free(fname);
}
/* \x -- toggle expanded table representation */
/* \z -- list table rights (grant/revoke) */
else if (strcmp(cmd, "z") == 0)
- {
- char * opt = scan_option(&string, OT_SQLID, NULL);
+ {
+ char *opt = scan_option(&string, OT_SQLID, NULL);
+
success = permissionsList(opt);
- free(opt);
- }
+ free(opt);
+ }
- /* \! -- shell escape */
+ /* \! -- shell escape */
else if (strcmp(cmd, "!") == 0)
- {
+ {
success = do_shell(options_string);
- /* wind pointer to end of line */
- if (string)
- string += strlen(string);
- }
+ /* wind pointer to end of line */
+ if (string)
+ string += strlen(string);
+ }
- /* \? -- slash command help */
+ /* \? -- slash command help */
else if (strcmp(cmd, "?") == 0)
slashUsage();
#if 0
- /*
+
+ /*
* These commands don't do anything. I just use them to test the
* parser.
*/
else if (strcmp(cmd, "void") == 0 || strcmp(cmd, "#") == 0)
{
int i = 0;
- char *value;
+ char *value;
fprintf(stderr, "+ optstr = |%s|\n", options_string);
- while((value = scan_option(&string, OT_NORMAL, NULL)))
- {
+ while ((value = scan_option(&string, OT_NORMAL, NULL)))
+ {
fprintf(stderr, "+ opt(%d) = |%s|\n", i++, value);
- free(value);
- }
+ free(value);
+ }
}
#endif
if (!success)
status = CMD_ERROR;
- /* eat the rest of the options string */
- while(scan_option(&string, OT_NORMAL, NULL)) ;
+ /* eat the rest of the options string */
+ while (scan_option(&string, OT_NORMAL, NULL));
- if (options_string && continue_parse)
- *continue_parse = options_string + (string - string_cpy);
- free(string_cpy);
+ if (options_string && continue_parse)
+ *continue_parse = options_string + (string - string_cpy);
+ free(string_cpy);
return status;
}
* scan_option()
*/
static char *
-scan_option(char ** string, enum option_type type, char * quote)
+scan_option(char **string, enum option_type type, char *quote)
{
- unsigned int pos = 0;
- char * options_string;
- char * return_val;
-
- if (quote)
- *quote = 0;
-
- if (!string || !(*string))
- return NULL;
-
- options_string = *string;
- /* skip leading whitespace */
- pos += strspn(options_string+pos, " \t");
-
- switch (options_string[pos])
- {
- /*
- * Double quoted string
- */
- case '"':
- {
- unsigned int jj;
- unsigned short int bslash_count = 0;
-
- /* scan for end of quote */
- for (jj = pos+1; options_string[jj]; jj += PQmblen(&options_string[jj], pset.encoding))
- {
- if (options_string[jj] == '"' && bslash_count % 2 == 0)
- break;
-
- if (options_string[jj] == '\\')
- bslash_count++;
- else
- bslash_count=0;
- }
-
- if (options_string[jj] == 0)
- {
- psql_error("parse error at end of line\n");
- *string = &options_string[jj];
- return NULL;
- }
-
- return_val = malloc(jj-pos+2);
- if (!return_val)
- {
- psql_error("out of memory\n");
- exit(EXIT_FAILURE);
- }
-
- if (type == OT_NORMAL)
- {
- strncpy(return_val, &options_string[pos], jj-pos+1);
- return_val[jj-pos+1] = '\0';
- }
- /*
- * If this is expected to be an SQL identifier like option
- * then we strip out the double quotes
- */
- else if (type == OT_SQLID)
- {
- unsigned int k, cc;
-
- bslash_count = 0;
- cc = 0;
- for (k = pos+1; options_string[k]; k += PQmblen(&options_string[k], pset.encoding))
- {
- if (options_string[k] == '"' && bslash_count % 2 == 0)
- break;
-
- if (options_string[jj] == '\\')
- bslash_count++;
- else
- bslash_count=0;
-
- return_val[cc++] = options_string[k];
- }
- return_val[cc] = '\0';
- }
-
- *string = options_string + jj+1;
- if (quote)
- *quote = '"';
-
- return return_val;
- }
-
- /*
- * A single quote has a psql internal meaning, such as
- * for delimiting file names, and it also allows for such
- * escape sequences as \t.
- */
- case '\'':
- {
- unsigned int jj;
- unsigned short int bslash_count = 0;
-
- for (jj = pos+1; options_string[jj]; jj += PQmblen(&options_string[jj], pset.encoding))
- {
- if (options_string[jj] == '\'' && bslash_count % 2 == 0)
- break;
-
- if (options_string[jj] == '\\')
- bslash_count++;
- else
- bslash_count=0;
- }
-
- if (options_string[jj] == 0)
- {
- psql_error("parse error at end of line\n");
- *string = &options_string[jj];
- return NULL;
- }
-
- return_val = unescape(&options_string[pos+1], jj-pos-1);
- *string = &options_string[jj + 1];
- if (quote)
- *quote = '\'';
- return return_val;
- }
-
- /*
- * Backticks are for command substitution, like in shells
- */
- case '`':
- {
- bool error = false;
- FILE *fd = NULL;
- char *file;
- PQExpBufferData output;
- char buf[512];
- size_t result, len;
-
- len = strcspn(options_string + pos + 1, "`");
- if (options_string[pos + 1 + len] == 0)
- {
- psql_error("parse error at end of line\n");
- *string = &options_string[pos + 1 + len];
- return NULL;
- }
-
- options_string[pos + 1 + len] = '\0';
- file = options_string + pos + 1;
-
- fd = popen(file, "r");
- if (!fd)
- {
- psql_error("%s: %s\n", file, strerror(errno));
- error = true;
- }
-
- if (!error)
- {
- initPQExpBuffer(&output);
-
- do
- {
- result = fread(buf, 1, 512, fd);
- if (ferror(fd))
- {
- psql_error("%s: %s\n", file, strerror(errno));
- error = true;
- break;
- }
- appendBinaryPQExpBuffer(&output, buf, result);
- } while (!feof(fd));
- appendPQExpBufferChar(&output, '\0');
-
- if (pclose(fd) == -1)
- {
- psql_error("%s: %s\n", file, strerror(errno));
- error = true;
- }
- }
-
- if (!error)
- {
- if (output.data[strlen(output.data) - 1] == '\n')
- output.data[strlen(output.data) - 1] = '\0';
- }
-
- if (!error)
- return_val = output.data;
- else
- {
- return_val = xstrdup("");
- termPQExpBuffer(&output);
- }
- options_string[pos + 1 + len] = '`';
- *string = options_string + pos + len + 2;
- if (quote)
- *quote = '`';
- return return_val;
- }
-
- /*
- * end of line
- */
- case 0:
- *string = &options_string[pos];
- return NULL;
-
- /*
- * Variable substitution
- */
- case ':':
- {
- size_t token_end;
- const char * value;
- char save_char;
-
- token_end = strcspn(&options_string[pos+1], " \t");
- save_char = options_string[pos+token_end+1];
- options_string[pos+token_end+1] = '\0';
- value = GetVariable(pset.vars, options_string+pos+1);
- if (!value)
- value = "";
- return_val = xstrdup(value);
- options_string[pos+token_end+1] = save_char;
- *string = &options_string[pos + token_end+1];
- return return_val;
- }
-
- /*
- * Next command
- */
- case '\\':
- *string = options_string + pos;
- return NULL;
- break;
-
- /*
- * A normal word
- */
- default:
- {
- size_t token_end;
- char * cp;
-
- token_end = strcspn(&options_string[pos], " \t");
- return_val = malloc(token_end + 1);
- if (!return_val)
- {
- psql_error("out of memory\n");
- exit(EXIT_FAILURE);
- }
- strncpy(return_val, &options_string[pos], token_end);
- return_val[token_end] = 0;
-
- if (type == OT_SQLID)
- for (cp = return_val; *cp; cp += PQmblen(cp, pset.encoding))
- if (isascii(*cp))
- *cp = tolower(*cp);
-
- *string = &options_string[pos+token_end];
- return return_val;
- }
-
- }
+ unsigned int pos = 0;
+ char *options_string;
+ char *return_val;
+
+ if (quote)
+ *quote = 0;
+
+ if (!string || !(*string))
+ return NULL;
+
+ options_string = *string;
+ /* skip leading whitespace */
+ pos += strspn(options_string + pos, " \t");
+
+ switch (options_string[pos])
+ {
+
+ /*
+ * Double quoted string
+ */
+ case '"':
+ {
+ unsigned int jj;
+ unsigned short int bslash_count = 0;
+
+ /* scan for end of quote */
+ for (jj = pos + 1; options_string[jj]; jj += PQmblen(&options_string[jj], pset.encoding))
+ {
+ if (options_string[jj] == '"' && bslash_count % 2 == 0)
+ break;
+
+ if (options_string[jj] == '\\')
+ bslash_count++;
+ else
+ bslash_count = 0;
+ }
+
+ if (options_string[jj] == 0)
+ {
+ psql_error("parse error at end of line\n");
+ *string = &options_string[jj];
+ return NULL;
+ }
+
+ return_val = malloc(jj - pos + 2);
+ if (!return_val)
+ {
+ psql_error("out of memory\n");
+ exit(EXIT_FAILURE);
+ }
+
+ if (type == OT_NORMAL)
+ {
+ strncpy(return_val, &options_string[pos], jj - pos + 1);
+ return_val[jj - pos + 1] = '\0';
+ }
+
+ /*
+ * If this is expected to be an SQL identifier like option
+ * then we strip out the double quotes
+ */
+ else if (type == OT_SQLID)
+ {
+ unsigned int k,
+ cc;
+
+ bslash_count = 0;
+ cc = 0;
+ for (k = pos + 1; options_string[k]; k += PQmblen(&options_string[k], pset.encoding))
+ {
+ if (options_string[k] == '"' && bslash_count % 2 == 0)
+ break;
+
+ if (options_string[jj] == '\\')
+ bslash_count++;
+ else
+ bslash_count = 0;
+
+ return_val[cc++] = options_string[k];
+ }
+ return_val[cc] = '\0';
+ }
+
+ *string = options_string + jj + 1;
+ if (quote)
+ *quote = '"';
+
+ return return_val;
+ }
+
+ /*
+ * A single quote has a psql internal meaning, such as for
+ * delimiting file names, and it also allows for such escape
+ * sequences as \t.
+ */
+ case '\'':
+ {
+ unsigned int jj;
+ unsigned short int bslash_count = 0;
+
+ for (jj = pos + 1; options_string[jj]; jj += PQmblen(&options_string[jj], pset.encoding))
+ {
+ if (options_string[jj] == '\'' && bslash_count % 2 == 0)
+ break;
+
+ if (options_string[jj] == '\\')
+ bslash_count++;
+ else
+ bslash_count = 0;
+ }
+
+ if (options_string[jj] == 0)
+ {
+ psql_error("parse error at end of line\n");
+ *string = &options_string[jj];
+ return NULL;
+ }
+
+ return_val = unescape(&options_string[pos + 1], jj - pos - 1);
+ *string = &options_string[jj + 1];
+ if (quote)
+ *quote = '\'';
+ return return_val;
+ }
+
+ /*
+ * Backticks are for command substitution, like in shells
+ */
+ case '`':
+ {
+ bool error = false;
+ FILE *fd = NULL;
+ char *file;
+ PQExpBufferData output;
+ char buf[512];
+ size_t result,
+ len;
+
+ len = strcspn(options_string + pos + 1, "`");
+ if (options_string[pos + 1 + len] == 0)
+ {
+ psql_error("parse error at end of line\n");
+ *string = &options_string[pos + 1 + len];
+ return NULL;
+ }
+
+ options_string[pos + 1 + len] = '\0';
+ file = options_string + pos + 1;
+
+ fd = popen(file, "r");
+ if (!fd)
+ {
+ psql_error("%s: %s\n", file, strerror(errno));
+ error = true;
+ }
+
+ if (!error)
+ {
+ initPQExpBuffer(&output);
+
+ do
+ {
+ result = fread(buf, 1, 512, fd);
+ if (ferror(fd))
+ {
+ psql_error("%s: %s\n", file, strerror(errno));
+ error = true;
+ break;
+ }
+ appendBinaryPQExpBuffer(&output, buf, result);
+ } while (!feof(fd));
+ appendPQExpBufferChar(&output, '\0');
+
+ if (pclose(fd) == -1)
+ {
+ psql_error("%s: %s\n", file, strerror(errno));
+ error = true;
+ }
+ }
+
+ if (!error)
+ {
+ if (output.data[strlen(output.data) - 1] == '\n')
+ output.data[strlen(output.data) - 1] = '\0';
+ }
+
+ if (!error)
+ return_val = output.data;
+ else
+ {
+ return_val = xstrdup("");
+ termPQExpBuffer(&output);
+ }
+ options_string[pos + 1 + len] = '`';
+ *string = options_string + pos + len + 2;
+ if (quote)
+ *quote = '`';
+ return return_val;
+ }
+
+ /*
+ * end of line
+ */
+ case 0:
+ *string = &options_string[pos];
+ return NULL;
+
+ /*
+ * Variable substitution
+ */
+ case ':':
+ {
+ size_t token_end;
+ const char *value;
+ char save_char;
+
+ token_end = strcspn(&options_string[pos + 1], " \t");
+ save_char = options_string[pos + token_end + 1];
+ options_string[pos + token_end + 1] = '\0';
+ value = GetVariable(pset.vars, options_string + pos + 1);
+ if (!value)
+ value = "";
+ return_val = xstrdup(value);
+ options_string[pos + token_end + 1] = save_char;
+ *string = &options_string[pos + token_end + 1];
+ return return_val;
+ }
+
+ /*
+ * Next command
+ */
+ case '\\':
+ *string = options_string + pos;
+ return NULL;
+ break;
+
+ /*
+ * A normal word
+ */
+ default:
+ {
+ size_t token_end;
+ char *cp;
+
+ token_end = strcspn(&options_string[pos], " \t");
+ return_val = malloc(token_end + 1);
+ if (!return_val)
+ {
+ psql_error("out of memory\n");
+ exit(EXIT_FAILURE);
+ }
+ strncpy(return_val, &options_string[pos], token_end);
+ return_val[token_end] = 0;
+
+ if (type == OT_SQLID)
+ for (cp = return_val; *cp; cp += PQmblen(cp, pset.encoding))
+ if (isascii(*cp))
+ *cp = tolower(*cp);
+
+ *string = &options_string[pos + token_end];
+ return return_val;
+ }
+
+ }
}
exit(EXIT_FAILURE);
}
- for (p = source; p-source < len && *p; p += PQmblen(p, pset.encoding))
+ for (p = source; p - source < len && *p; p += PQmblen(p, pset.encoding))
{
if (esc)
{
bool need_pass;
bool success = false;
- /* Delete variables (in case we fail before setting them anew) */
- SetVariable(pset.vars, "DBNAME", NULL);
- SetVariable(pset.vars, "USER", NULL);
- SetVariable(pset.vars, "HOST", NULL);
- SetVariable(pset.vars, "PORT", NULL);
- SetVariable(pset.vars, "ENCODING", NULL);
+ /* Delete variables (in case we fail before setting them anew) */
+ SetVariable(pset.vars, "DBNAME", NULL);
+ SetVariable(pset.vars, "USER", NULL);
+ SetVariable(pset.vars, "HOST", NULL);
+ SetVariable(pset.vars, "PORT", NULL);
+ SetVariable(pset.vars, "ENCODING", NULL);
/* If dbname is "" then use old name, else new one (even if NULL) */
if (oldconn && new_dbname && PQdb(oldconn) && strcmp(new_dbname, "") == 0)
dbparam = new_dbname;
/* If user is "" then use the old one */
- if (new_user && PQuser(oldconn) && strcmp(new_user, "")==0)
+ if (new_user && PQuser(oldconn) && strcmp(new_user, "") == 0)
userparam = PQuser(oldconn);
else
userparam = new_user;
{
need_pass = false;
pset.db = PQsetdbLogin(PQhost(oldconn), PQport(oldconn),
- NULL, NULL, dbparam, userparam, pwparam);
+ NULL, NULL, dbparam, userparam, pwparam);
if (PQstatus(pset.db) == CONNECTION_BAD &&
strcmp(PQerrorMessage(pset.db), "fe_sendauth: no password supplied\n") == 0)
*/
if (!pset.db || PQstatus(pset.db) == CONNECTION_BAD)
{
- if (pset.cur_cmd_interactive)
- {
- psql_error("%s", PQerrorMessage(pset.db));
- PQfinish(pset.db);
- if (oldconn)
- {
- fputs("Previous connection kept\n", stderr);
- pset.db = oldconn;
- }
- else
- pset.db = NULL;
- }
- else
- {
- /* we don't want unpredictable things to
- * happen in scripting mode */
- psql_error("\\connect: %s", PQerrorMessage(pset.db));
- PQfinish(pset.db);
+ if (pset.cur_cmd_interactive)
+ {
+ psql_error("%s", PQerrorMessage(pset.db));
+ PQfinish(pset.db);
+ if (oldconn)
+ {
+ fputs("Previous connection kept\n", stderr);
+ pset.db = oldconn;
+ }
+ else
+ pset.db = NULL;
+ }
+ else
+ {
+
+ /*
+ * we don't want unpredictable things to happen in scripting
+ * mode
+ */
+ psql_error("\\connect: %s", PQerrorMessage(pset.db));
+ PQfinish(pset.db);
if (oldconn)
PQfinish(oldconn);
- pset.db = NULL;
+ pset.db = NULL;
}
}
else
printf("You are now connected to database %s.\n", dbparam);
else if (dbparam != new_dbname) /* no new db */
printf("You are now connected as new user %s.\n", new_user);
- else /* both new */
+ else
+/* both new */
printf("You are now connected to database %s as user %s.\n",
PQdb(pset.db), PQuser(pset.db));
}
success = true;
}
- PQsetNoticeProcessor(pset.db, NoticeProcessor, NULL);
- pset.encoding = PQclientEncoding(pset.db);
+ PQsetNoticeProcessor(pset.db, NoticeProcessor, NULL);
+ pset.encoding = PQclientEncoding(pset.db);
- /* Update variables */
- SetVariable(pset.vars, "DBNAME", PQdb(pset.db));
- SetVariable(pset.vars, "USER", PQuser(pset.db));
- SetVariable(pset.vars, "HOST", PQhost(pset.db));
- SetVariable(pset.vars, "PORT", PQport(pset.db));
- SetVariable(pset.vars, "ENCODING", pg_encoding_to_char(pset.encoding));
+ /* Update variables */
+ SetVariable(pset.vars, "DBNAME", PQdb(pset.db));
+ SetVariable(pset.vars, "USER", PQuser(pset.db));
+ SetVariable(pset.vars, "HOST", PQhost(pset.db));
+ SetVariable(pset.vars, "PORT", PQport(pset.db));
+ SetVariable(pset.vars, "ENCODING", pg_encoding_to_char(pset.encoding));
- pset.issuper = test_superuser(PQuser(pset.db));
+ pset.issuper = test_superuser(PQuser(pset.db));
return success;
}
* (Is used to set up the prompt right.)
*/
bool
-test_superuser(const char * username)
+test_superuser(const char *username)
{
- PGresult *res;
- char buf[64 + NAMEDATALEN];
- bool answer;
-
- if (!username)
- return false;
-
- sprintf(buf, "SELECT usesuper FROM pg_user WHERE usename = '%.*s'", NAMEDATALEN, username);
- res = PSQLexec(buf);
-
- answer =
- (PQntuples(res)>0 && PQnfields(res)>0
- && !PQgetisnull(res,0,0)
- && PQgetvalue(res,0,0)
- && strcmp(PQgetvalue(res,0,0), "t")==0);
- PQclear(res);
- return answer;
+ PGresult *res;
+ char buf[64 + NAMEDATALEN];
+ bool answer;
+
+ if (!username)
+ return false;
+
+ sprintf(buf, "SELECT usesuper FROM pg_user WHERE usename = '%.*s'", NAMEDATALEN, username);
+ res = PSQLexec(buf);
+
+ answer =
+ (PQntuples(res) > 0 && PQnfields(res) > 0
+ && !PQgetisnull(res, 0, 0)
+ && PQgetvalue(res, 0, 0)
+ && strcmp(PQgetvalue(res, 0, 0), "t") == 0);
+ PQclear(res);
+ return answer;
}
sprintf(sys, "exec %s %s", editorName, fname);
result = system(sys);
if (result == -1)
- psql_error("could not start editor %s\n", editorName);
- else if (result == 127)
+ psql_error("could not start editor %s\n", editorName);
+ else if (result == 127)
psql_error("could not start /bin/sh\n");
free(sys);
/* make a temp file to edit */
#ifndef WIN32
mode_t oldumask;
- const char *tmpdirenv = getenv("TMPDIR");
+ const char *tmpdirenv = getenv("TMPDIR");
sprintf(fnametmp, "%s/psql.edit.%ld.%ld",
- tmpdirenv ? tmpdirenv : "/tmp",
- (long) geteuid(), (long) getpid());
+ tmpdirenv ? tmpdirenv : "/tmp",
+ (long) geteuid(), (long) getpid());
#else
GetTempFileName(".", "psql", 0, fnametmp);
#endif
if (!stream)
{
- psql_error("couldn't open temp file %s: %s\n", fname, strerror(errno));
+ psql_error("couldn't open temp file %s: %s\n", fname, strerror(errno));
error = true;
}
else
if (fwrite(query_buf->data, 1, ql, stream) != ql)
{
- psql_error("%s: %s\n", fname, strerror(errno));
+ psql_error("%s: %s\n", fname, strerror(errno));
fclose(stream);
remove(fname);
error = true;
#ifndef WIN32
if (!error && stat(fname, &before) != 0)
{
- psql_error("%s: %s\n", fname, strerror(errno));
+ psql_error("%s: %s\n", fname, strerror(errno));
error = true;
}
#endif
#ifndef WIN32
if (!error && stat(fname, &after) != 0)
{
- psql_error("%s: %s\n", fname, strerror(errno));
+ psql_error("%s: %s\n", fname, strerror(errno));
error = true;
}
stream = fopen(fname, "r");
if (!stream)
{
- psql_error("%s: %s\n", fname, strerror(errno));
+ psql_error("%s: %s\n", fname, strerror(errno));
error = true;
}
else
char line[1024];
resetPQExpBuffer(query_buf);
- while (fgets(line, 1024, stream))
+ while (fgets(line, 1024, stream))
appendPQExpBufferStr(query_buf, line);
- if (ferror(stream))
- {
- psql_error("%s: %s\n", fname, strerror(errno));
- error = true;
- }
+ if (ferror(stream))
+ {
+ psql_error("%s: %s\n", fname, strerror(errno));
+ error = true;
+ }
fclose(stream);
}
- }
+ }
- /* remove temp file */
+ /* remove temp file */
if (!filename_arg)
- {
- if (remove(fname)==-1)
- {
- psql_error("%s: %s\n", fname, strerror(errno));
- error=true;
- }
- }
+ {
+ if (remove(fname) == -1)
+ {
+ psql_error("%s: %s\n", fname, strerror(errno));
+ error = true;
+ }
+ }
return !error;
}
{
FILE *fd;
int result;
- char *oldfilename;
+ char *oldfilename;
if (!filename)
return false;
if (!fd)
{
- psql_error("%s: %s\n", filename, strerror(errno));
+ psql_error("%s: %s\n", filename, strerror(errno));
return false;
}
- oldfilename = pset.inputfile;
- pset.inputfile = filename;
+ oldfilename = pset.inputfile;
+ pset.inputfile = filename;
result = MainLoop(fd);
fclose(fd);
pset.inputfile = oldfilename;
bool
-do_pset(const char *param, const char *value, printQueryOpt * popt, bool quiet)
+do_pset(const char *param, const char *value, printQueryOpt *popt, bool quiet)
{
size_t vallen = 0;
free(popt->topt.recordSep);
popt->topt.recordSep = xstrdup(value);
}
- if (!quiet) {
- if (strcmp(popt->topt.recordSep, "\n")==0)
- printf("Record separator is <newline>.");
- else
- printf("Record separator is '%s'.\n", popt->topt.recordSep);
- }
+ if (!quiet)
+ {
+ if (strcmp(popt->topt.recordSep, "\n") == 0)
+ printf("Record separator is <newline>.");
+ else
+ printf("Record separator is '%s'.\n", popt->topt.recordSep);
+ }
}
/* toggle between full and barebones format */
shellName = DEFAULT_SHELL;
sys = malloc(strlen(shellName) + 16);
- if (!sys) {
- psql_error("out of memory\n");
- if (pset.cur_cmd_interactive)
- return false;
- else
- exit(EXIT_FAILURE);
- }
+ if (!sys)
+ {
+ psql_error("out of memory\n");
+ if (pset.cur_cmd_interactive)
+ return false;
+ else
+ exit(EXIT_FAILURE);
+ }
sprintf(sys, "exec %s", shellName);
result = system(sys);
free(sys);
if (result == 127 || result == -1)
{
- psql_error("\\!: failed\n");
+ psql_error("\\!: failed\n");
return false;
}
return true;
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/command.h,v 1.9 2000/02/20 14:28:20 petere Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/command.h,v 1.10 2000/04/12 17:16:22 momjian Exp $
*/
#ifndef COMMAND_H
#define COMMAND_H
CMD_NEWEDIT, /* query buffer was changed (e.g., via \e) */
CMD_ERROR /* the execution of the backslash command
* resulted in an error */
-} backslashResult;
+} backslashResult;
-backslashResult
-HandleSlashCmds(const char *line,
+backslashResult HandleSlashCmds(const char *line,
PQExpBuffer query_buf,
const char **end_of_cmd);
int
-process_file(char *filename);
+ process_file(char *filename);
bool
-test_superuser(const char * username);
+ test_superuser(const char *username);
-bool
-do_pset(const char *param,
+bool do_pset(const char *param,
const char *value,
- printQueryOpt * popt,
+ printQueryOpt *popt,
bool quiet);
-#endif /* COMMAND_H */
+#endif /* COMMAND_H */
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/common.c,v 1.19 2000/03/05 13:30:19 petere Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/common.c,v 1.20 2000/04/12 17:16:22 momjian Exp $
*/
#include "postgres.h"
#include "common.h"
#include <unistd.h> /* for write() */
#include <setjmp.h>
#else
-#include <io.h> /* for _write() */
+#include <io.h> /* for _write() */
#include <win32.h>
#endif
if (!string)
{
fprintf(stderr, "%s: xstrdup: cannot duplicate null pointer (internal error)\n",
- pset.progname);
+ pset.progname);
exit(EXIT_FAILURE);
}
tmp = strdup(string);
if (!tmp)
{
- psql_error("out of memory\n");
+ psql_error("out of memory\n");
exit(EXIT_FAILURE);
}
return tmp;
/*
* Error reporting for scripts. Errors should look like
- * psql:filename:lineno: message
+ * psql:filename:lineno: message
*
*/
void
-psql_error(const char *fmt, ...)
+psql_error(const char *fmt,...)
{
- va_list ap;
+ va_list ap;
- fflush(stdout);
- if (pset.queryFout!=stdout)
- fflush(pset.queryFout);
+ fflush(stdout);
+ if (pset.queryFout != stdout)
+ fflush(pset.queryFout);
- if (pset.inputfile)
- fprintf(stderr, "%s:%s:%u: ", pset.progname, pset.inputfile, pset.lineno);
- va_start(ap, fmt);
- vfprintf(stderr, fmt, ap);
- va_end(ap);
+ if (pset.inputfile)
+ fprintf(stderr, "%s:%s:%u: ", pset.progname, pset.inputfile, pset.lineno);
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
}
* for backend NOTICES
*/
void
-NoticeProcessor(void * arg, const char * message)
+NoticeProcessor(void *arg, const char *message)
{
- (void)arg; /* not used */
- psql_error("%s", message);
+ (void) arg; /* not used */
+ psql_error("%s", message);
}
#ifdef HAVE_TERMIOS_H
struct termios t_orig,
t;
+
#endif
destination = (char *) malloc(maxlen + 2);
if (prompt)
fputs(prompt, stderr);
- prompt_state = true;
+ prompt_state = true;
#ifdef HAVE_TERMIOS_H
if (!echo)
}
#endif
- prompt_state = false;
+ prompt_state = false;
length = strlen(destination);
if (length > 0 && destination[length - 1] != '\n')
* facilities in a signal handler.
*/
-PGconn *cancelConn;
+PGconn *cancelConn;
volatile bool cancel_pressed;
#ifndef WIN32
void
handle_sigint(SIGNAL_ARGS)
{
- /* Don't muck around if copying in or prompting for a password. */
- if ((copy_in_state && pset.cur_cmd_interactive) || prompt_state)
- return;
+ /* Don't muck around if copying in or prompting for a password. */
+ if ((copy_in_state && pset.cur_cmd_interactive) || prompt_state)
+ return;
if (cancelConn == NULL)
- siglongjmp(main_loop_jmp, 1);
+ siglongjmp(main_loop_jmp, 1);
- cancel_pressed = true;
+ cancel_pressed = true;
if (PQrequestCancel(cancelConn))
write_stderr("Cancel request sent\n");
write_stderr(PQerrorMessage(cancelConn));
}
}
-#endif /* not WIN32 */
+
+#endif /* not WIN32 */
/*
if (!pset.db)
{
- psql_error("You are currently not connected to a database.\n");
+ psql_error("You are currently not connected to a database.\n");
return NULL;
}
cancelConn = pset.db;
res = PQexec(pset.db, query);
- if (PQresultStatus(res) == PGRES_COPY_IN)
- copy_in_state = true;
- /* keep cancel connection for copy out state */
- if (PQresultStatus(res) != PGRES_COPY_OUT)
- cancelConn = NULL;
+ if (PQresultStatus(res) == PGRES_COPY_IN)
+ copy_in_state = true;
+ /* keep cancel connection for copy out state */
+ if (PQresultStatus(res) != PGRES_COPY_OUT)
+ cancelConn = NULL;
if (PQstatus(pset.db) == CONNECTION_BAD)
{
- if (!pset.cur_cmd_interactive)
- {
- psql_error("connection to server was lost\n");
- exit(EXIT_BADCONN);
- }
+ if (!pset.cur_cmd_interactive)
+ {
+ psql_error("connection to server was lost\n");
+ exit(EXIT_BADCONN);
+ }
fputs("The connection to the server was lost. Attempting reset: ", stderr);
PQreset(pset.db);
if (PQstatus(pset.db) == CONNECTION_BAD)
PQfinish(pset.db);
PQclear(res);
pset.db = NULL;
- SetVariable(pset.vars, "DBNAME", NULL);
- SetVariable(pset.vars, "HOST", NULL);
- SetVariable(pset.vars, "PORT", NULL);
- SetVariable(pset.vars, "USER", NULL);
- SetVariable(pset.vars, "ENCODING", NULL);
+ SetVariable(pset.vars, "DBNAME", NULL);
+ SetVariable(pset.vars, "HOST", NULL);
+ SetVariable(pset.vars, "PORT", NULL);
+ SetVariable(pset.vars, "USER", NULL);
+ SetVariable(pset.vars, "ENCODING", NULL);
return NULL;
}
else
return res;
else
{
- psql_error("%s", PQerrorMessage(pset.db));
+ psql_error("%s", PQerrorMessage(pset.db));
PQclear(res);
return NULL;
}
if (!pset.db)
{
- psql_error("You are currently not connected to a database.\n");
+ psql_error("You are currently not connected to a database.\n");
return false;
}
char buf[3];
printf("***(Single step mode: Verify query)*********************************************\n"
- "%s\n"
- "***(press return to proceed or enter x and return to cancel)********************\n",
- query);
+ "%s\n"
+ "***(press return to proceed or enter x and return to cancel)********************\n",
+ query);
fflush(stdout);
fgets(buf, 3, stdin);
if (buf[0] == 'x')
return false;
}
- else
- {
- const char * var = GetVariable(pset.vars, "ECHO");
- if (var && strncmp(var, "queries", strlen(var))==0)
- puts(query);
- }
+ else
+ {
+ const char *var = GetVariable(pset.vars, "ECHO");
+
+ if (var && strncmp(var, "queries", strlen(var)) == 0)
+ puts(query);
+ }
cancelConn = pset.db;
results = PQexec(pset.db, query);
- if (PQresultStatus(results) == PGRES_COPY_IN)
- copy_in_state = true;
- /* keep cancel connection for copy out state */
- if (PQresultStatus(results) != PGRES_COPY_OUT)
- cancelConn = NULL;
+ if (PQresultStatus(results) == PGRES_COPY_IN)
+ copy_in_state = true;
+ /* keep cancel connection for copy out state */
+ if (PQresultStatus(results) != PGRES_COPY_OUT)
+ cancelConn = NULL;
if (results == NULL)
{
switch (PQresultStatus(results))
{
case PGRES_TUPLES_OK:
- /* write output to \g argument, if any */
+ /* write output to \g argument, if any */
if (pset.gfname)
{
- FILE * queryFout_copy = pset.queryFout;
- bool queryFoutPipe_copy = pset.queryFoutPipe;
- pset.queryFout = NULL; /* so it doesn't get closed */
+ FILE *queryFout_copy = pset.queryFout;
+ bool queryFoutPipe_copy = pset.queryFoutPipe;
- /* open file/pipe */
+ pset.queryFout = NULL; /* so it doesn't get
+ * closed */
+
+ /* open file/pipe */
if (!setQFout(pset.gfname))
{
success = false;
pset.gfname = NULL;
pset.queryFout = queryFout_copy;
- pset.queryFoutPipe = queryFoutPipe_copy;
+ pset.queryFoutPipe = queryFoutPipe_copy;
success = true;
break;
success = true;
break;
case PGRES_COMMAND_OK:
- {
- char buf[10];
+ {
+ char buf[10];
- success = true;
- sprintf(buf, "%u", (unsigned int)PQoidValue(results));
- if (!QUIET())
- fprintf(pset.queryFout, "%s\n", PQcmdStatus(results));
- SetVariable(pset.vars, "LASTOID", buf);
- break;
- }
+ success = true;
+ sprintf(buf, "%u", (unsigned int) PQoidValue(results));
+ if (!QUIET())
+ fprintf(pset.queryFout, "%s\n", PQcmdStatus(results));
+ SetVariable(pset.vars, "LASTOID", buf);
+ break;
+ }
case PGRES_COPY_OUT:
success = handleCopyOut(pset.db, pset.queryFout);
break;
case PGRES_FATAL_ERROR:
case PGRES_BAD_RESPONSE:
success = false;
- psql_error("%s", PQerrorMessage(pset.db));
+ psql_error("%s", PQerrorMessage(pset.db));
break;
}
- fflush(pset.queryFout);
+ fflush(pset.queryFout);
if (PQstatus(pset.db) == CONNECTION_BAD)
{
- if (!pset.cur_cmd_interactive)
- {
- psql_error("connection to server was lost\n");
- exit(EXIT_BADCONN);
- }
+ if (!pset.cur_cmd_interactive)
+ {
+ psql_error("connection to server was lost\n");
+ exit(EXIT_BADCONN);
+ }
fputs("The connection to the server was lost. Attempting reset: ", stderr);
PQreset(pset.db);
if (PQstatus(pset.db) == CONNECTION_BAD)
PQfinish(pset.db);
PQclear(results);
pset.db = NULL;
- SetVariable(pset.vars, "DBNAME", NULL);
- SetVariable(pset.vars, "HOST", NULL);
- SetVariable(pset.vars, "PORT", NULL);
- SetVariable(pset.vars, "USER", NULL);
- SetVariable(pset.vars, "ENCODING", NULL);
+ SetVariable(pset.vars, "DBNAME", NULL);
+ SetVariable(pset.vars, "HOST", NULL);
+ SetVariable(pset.vars, "PORT", NULL);
+ SetVariable(pset.vars, "USER", NULL);
+ SetVariable(pset.vars, "ENCODING", NULL);
return false;
}
else
fputs("Succeeded.\n", stderr);
}
-
+
/* check for asynchronous notification returns */
while ((notify = PQnotifies(pset.db)) != NULL)
{
fprintf(pset.queryFout, "Asynchronous NOTIFY '%s' from backend with pid '%d' received.\n",
notify->relname, notify->be_pid);
free(notify);
- fflush(pset.queryFout);
+ fflush(pset.queryFout);
}
if (results)
PQclear(results);
- }
+ }
return success;
}
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/common.h,v 1.9 2000/03/05 13:30:19 petere Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/common.h,v 1.10 2000/04/12 17:16:22 momjian Exp $
*/
#ifndef COMMON_H
#define COMMON_H
#include "pqsignal.h"
#include "libpq-fe.h"
-char * xstrdup(const char *string);
+char *xstrdup(const char *string);
bool setQFout(const char *fname);
#ifndef __GNUC__
-void psql_error(const char *fmt, ...);
+void psql_error(const char *fmt,...);
+
#else
/* This checks the format string for consistency. */
-void psql_error(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
+void psql_error(const char *fmt,...) __attribute__((format(printf, 1, 2)));
+
#endif
-void NoticeProcessor(void * arg, const char * message);
+void NoticeProcessor(void *arg, const char *message);
-char * simple_prompt(const char *prompt, int maxlen, bool echo);
+char *simple_prompt(const char *prompt, int maxlen, bool echo);
extern volatile bool cancel_pressed;
extern PGconn *cancelConn;
+
#ifndef WIN32
-void handle_sigint(SIGNAL_ARGS);
-#endif /* not WIN32 */
+void handle_sigint(SIGNAL_ARGS);
+
+#endif /* not WIN32 */
-PGresult * PSQLexec(const char *query);
+PGresult *PSQLexec(const char *query);
bool SendQuery(const char *query);
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/copy.c,v 1.12 2000/03/01 21:09:58 petere Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/copy.c,v 1.13 2000/04/12 17:16:22 momjian Exp $
*/
#include "postgres.h"
#include "copy.h"
#define strcasecmp(x,y) stricmp(x,y)
#endif
-bool copy_in_state;
+bool copy_in_state;
/*
* parse_slash_copy
struct copy_options
{
char *table;
- char *file; /* NULL = stdin/stdout */
+ char *file; /* NULL = stdin/stdout */
bool from;
bool binary;
bool oids;
char *delim;
- char *null;
+ char *null;
};
free(ptr->table);
free(ptr->file);
free(ptr->delim);
- free(ptr->null);
+ free(ptr->null);
free(ptr);
}
else
{
#ifdef NOT_USED
- /* this is not implemented yet */
- if (!quote && strcasecmp(token, "binary") == 0)
+ /* this is not implemented yet */
+ if (!quote && strcasecmp(token, "binary") == 0)
{
result->binary = true;
token = strtokx(NULL, " \t", "\"", '\\', "e, NULL, pset.encoding);
token = strtokx(NULL, " \t", "'", '\\', "e, NULL, pset.encoding);
if (!token)
error = true;
- else if (!quote && (strcasecmp(token, "stdin")==0 || strcasecmp(token, "stdout")==0))
- result->file = NULL;
- else
+ else if (!quote && (strcasecmp(token, "stdin") == 0 || strcasecmp(token, "stdout") == 0))
+ result->file = NULL;
+ else
result->file = xstrdup(token);
}
{
token = strtokx(NULL, " \t", "'", '\\', NULL, NULL, pset.encoding);
if (token)
- {
+ {
result->delim = xstrdup(token);
- token = strtokx(NULL, " \t", NULL, '\\', NULL, NULL, pset.encoding);
- }
+ token = strtokx(NULL, " \t", NULL, '\\', NULL, NULL, pset.encoding);
+ }
else
error = true;
}
}
- if (!error && token)
- {
- if (strcasecmp(token, "with") == 0)
- {
- token = strtokx(NULL, " \t", NULL, '\\', NULL, NULL, pset.encoding);
- if (!token || strcasecmp(token, "null") != 0)
- error = true;
- else
- {
- token = strtokx(NULL, " \t", NULL, '\\', NULL, NULL, pset.encoding);
- if (!token || strcasecmp(token, "as") != 0)
- error = true;
- else
- {
- token = strtokx(NULL, " \t", "'", '\\', NULL, NULL, pset.encoding);
- if (token)
- result->null = xstrdup(token);
- }
- }
- }
- }
+ if (!error && token)
+ {
+ if (strcasecmp(token, "with") == 0)
+ {
+ token = strtokx(NULL, " \t", NULL, '\\', NULL, NULL, pset.encoding);
+ if (!token || strcasecmp(token, "null") != 0)
+ error = true;
+ else
+ {
+ token = strtokx(NULL, " \t", NULL, '\\', NULL, NULL, pset.encoding);
+ if (!token || strcasecmp(token, "as") != 0)
+ error = true;
+ else
+ {
+ token = strtokx(NULL, " \t", "'", '\\', NULL, NULL, pset.encoding);
+ if (token)
+ result->null = xstrdup(token);
+ }
+ }
+ }
+ }
}
}
if (error)
{
- psql_error("\\copy: parse error at %s%s%s\n",
- token ? "'" : "",
- token ? token : "end of line",
- token ? "'" : "");
+ psql_error("\\copy: parse error at %s%s%s\n",
+ token ? "'" : "",
+ token ? token : "end of line",
+ token ? "'" : "");
free_copy_options(result);
return NULL;
}
strcpy(query, "COPY ");
if (options->binary)
- strcat(query, "BINARY ");
+ strcat(query, "BINARY ");
strcat(query, "\"");
strncat(query, options->table, NAMEDATALEN);
strcat(query, "'");
}
- if (options->null)
- {
+ if (options->null)
+ {
strcat(query, " WITH NULL AS '");
strcat(query, options->null);
strcat(query, "'");
}
if (options->from)
- {
- if (options->file)
- copystream = fopen(options->file, "r");
- else
- copystream = stdin;
- }
+ {
+ if (options->file)
+ copystream = fopen(options->file, "r");
+ else
+ copystream = stdin;
+ }
else
- {
- if (options->file)
- copystream = fopen(options->file, "w");
- else
- copystream = stdout;
- }
+ {
+ if (options->file)
+ copystream = fopen(options->file, "w");
+ else
+ copystream = stdout;
+ }
if (!copystream)
{
- psql_error("%s: %s\n",
- options->file, strerror(errno));
+ psql_error("%s: %s\n",
+ options->file, strerror(errno));
free_copy_options(options);
return false;
}
case PGRES_FATAL_ERROR:
case PGRES_BAD_RESPONSE:
success = false;
- psql_error("\\copy: %s", PQerrorMessage(pset.db));
+ psql_error("\\copy: %s", PQerrorMessage(pset.db));
break;
default:
success = false;
PQclear(result);
- if (copystream != stdout && copystream != stdin)
- fclose(copystream);
+ if (copystream != stdout && copystream != stdin)
+ fclose(copystream);
free_copy_options(options);
return success;
}
char copybuf[COPYBUFSIZ];
int ret;
- assert(cancelConn);
+ assert(cancelConn);
while (!copydone)
{
}
fflush(copystream);
ret = !PQendcopy(conn);
- cancelConn = NULL;
- return ret;
+ cancelConn = NULL;
+ return ret;
}
char *s;
int bufleft;
int c = 0;
- int ret;
+ int ret;
#ifdef USE_ASSERT_CHECKING
- assert(copy_in_state);
+ assert(copy_in_state);
#endif
if (prompt) /* disable prompt if not interactive */
{
- if (! isatty(fileno(copystream)))
+ if (!isatty(fileno(copystream)))
prompt = NULL;
}
while (!linedone)
{ /* for each bufferload in line ... */
s = copybuf;
- for (bufleft = COPYBUFSIZ-1; bufleft > 0; bufleft--)
+ for (bufleft = COPYBUFSIZ - 1; bufleft > 0; bufleft--)
{
c = getc(copystream);
if (c == '\n' || c == EOF)
{
PQputline(conn, "\\.");
copydone = true;
- if (pset.cur_cmd_interactive)
- puts("\\.");
+ if (pset.cur_cmd_interactive)
+ puts("\\.");
break;
}
PQputline(conn, copybuf);
PQputline(conn, "\n");
}
ret = !PQendcopy(conn);
- copy_in_state = false;
- return ret;
+ copy_in_state = false;
+ return ret;
}
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/describe.c,v 1.18 2000/02/26 18:31:25 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/describe.c,v 1.19 2000/04/12 17:16:22 momjian Exp $
*/
#include "postgres.h"
#include "describe.h"
*/
strcpy(buf,
"SELECT a.aggname AS \"Name\", t.typname AS \"Type\",\n"
- " obj_description(a.oid) as \"Description\"\n"
- "FROM pg_aggregate a, pg_type t\n"
- "WHERE a.aggbasetype = t.oid\n"
- );
+ " obj_description(a.oid) as \"Description\"\n"
+ "FROM pg_aggregate a, pg_type t\n"
+ "WHERE a.aggbasetype = t.oid\n"
+ );
if (name)
{
strcat(buf,
"UNION\n"
"SELECT a.aggname AS \"Name\", '(all types)' as \"Type\",\n"
- " obj_description(a.oid) as \"Description\"\n"
+ " obj_description(a.oid) as \"Description\"\n"
"FROM pg_aggregate a\n"
- "WHERE a.aggbasetype = 0\n"
- );
+ "WHERE a.aggbasetype = 0\n"
+ );
if (name)
{
* arguments, but have no types defined for those arguments
*/
strcpy(buf,
- "SELECT t.typname as \"Result\", p.proname as \"Function\",\n"
+ "SELECT t.typname as \"Result\", p.proname as \"Function\",\n"
" oidvectortypes(p.proargtypes) as \"Arguments\"");
- if (verbose)
- strcat(buf, ",\n u.usename as \"Owner\", l.lanname as \"Language\", p.prosrc as \"Source\",\n"
- " obj_description(p.oid) as \"Description\"");
+ if (verbose)
+ strcat(buf, ",\n u.usename as \"Owner\", l.lanname as \"Language\", p.prosrc as \"Source\",\n"
+ " obj_description(p.oid) as \"Description\"");
- if (!verbose)
- strcat(buf,
- "\nFROM pg_proc p, pg_type t\n"
- "WHERE p.prorettype = t.oid and (pronargs = 0 or oidvectortypes(p.proargtypes) != '')\n");
- else
- strcat(buf,
- "\nFROM pg_proc p, pg_type t, pg_language l, pg_user u\n"
- "WHERE p.prorettype = t.oid AND p.prolang = l.oid AND p.proowner = u.usesysid\n"
- " AND (pronargs = 0 or oidvectortypes(p.proargtypes) != '')\n");
+ if (!verbose)
+ strcat(buf,
+ "\nFROM pg_proc p, pg_type t\n"
+ "WHERE p.prorettype = t.oid and (pronargs = 0 or oidvectortypes(p.proargtypes) != '')\n");
+ else
+ strcat(buf,
+ "\nFROM pg_proc p, pg_type t, pg_language l, pg_user u\n"
+ "WHERE p.prorettype = t.oid AND p.prolang = l.oid AND p.proowner = u.usesysid\n"
+ " AND (pronargs = 0 or oidvectortypes(p.proargtypes) != '')\n");
if (name)
{
printQueryOpt myopt = pset.popt;
strcpy(buf, "SELECT t.typname AS \"Type\"");
- if (verbose)
- strcat(buf, ",\n (CASE WHEN t.typlen = -1 THEN 'var'::text ELSE t.typlen::text END) as \"Size\"");
+ if (verbose)
+ strcat(buf, ",\n (CASE WHEN t.typlen = -1 THEN 'var'::text ELSE t.typlen::text END) as \"Size\"");
strcat(buf, ",\n obj_description(t.oid) as \"Description\"");
- /*
- * do not include array types (start with underscore),
- * do not include user relations (typrelid!=0)
- */
+
+ /*
+ * do not include array types (start with underscore), do not include
+ * user relations (typrelid!=0)
+ */
strcat(buf, "\nFROM pg_type t\nWHERE t.typrelid = 0 AND t.typname !~ '^_.*'\n");
if (name)
printQueryOpt myopt = pset.popt;
strcpy(buf,
- "SELECT o.oprname AS \"Op\",\n"
+ "SELECT o.oprname AS \"Op\",\n"
" t1.typname AS \"Left arg\",\n"
" t2.typname AS \"Right arg\",\n"
" t0.typname AS \"Result\",\n"
" obj_description(p.oid) as \"Description\"\n"
- "FROM pg_proc p, pg_type t0,\n"
+ "FROM pg_proc p, pg_type t0,\n"
" pg_type t1, pg_type t2,\n"
" pg_operator o\n"
"WHERE p.prorettype = t0.oid AND\n"
" ''::name AS \"Left arg\",\n"
" t1.typname AS \"Right arg\",\n"
" t0.typname AS \"Result\",\n"
- " obj_description(p.oid) as \"Description\"\n"
- "FROM pg_operator o, pg_proc p, pg_type t0, pg_type t1\n"
+ " obj_description(p.oid) as \"Description\"\n"
+ "FROM pg_operator o, pg_proc p, pg_type t0, pg_type t1\n"
"WHERE RegprocToOid(o.oprcode) = p.oid AND\n"
" o.oprresult = t0.oid AND\n"
" o.oprkind = 'l' AND\n"
" t1.typname AS \"Left arg\",\n"
" ''::name AS \"Right arg\",\n"
" t0.typname AS \"Result\",\n"
- " obj_description(p.oid) as \"Description\"\n"
- "FROM pg_operator o, pg_proc p, pg_type t0, pg_type t1\n"
+ " obj_description(p.oid) as \"Description\"\n"
+ "FROM pg_operator o, pg_proc p, pg_type t0, pg_type t1\n"
"WHERE RegprocToOid(o.oprcode) = p.oid AND\n"
" o.oprresult = t0.oid AND\n"
" o.oprkind = 'r' AND\n"
printQueryOpt myopt = pset.popt;
strcpy(buf,
- "SELECT pg_database.datname as \"Database\",\n"
+ "SELECT pg_database.datname as \"Database\",\n"
" pg_user.usename as \"Owner\"");
#ifdef MULTIBYTE
strcat(buf,
strcat(buf, "FROM pg_database, pg_user\n"
"WHERE pg_database.datdba = pg_user.usesysid\n");
- /* Also include databases that have no valid owner. */
- strcat(buf, "\nUNION\n\n");
+ /* Also include databases that have no valid owner. */
+ strcat(buf, "\nUNION\n\n");
strcat(buf,
- "SELECT pg_database.datname as \"Database\",\n"
+ "SELECT pg_database.datname as \"Database\",\n"
" NULL as \"Owner\"");
#ifdef MULTIBYTE
strcat(buf,
if (desc)
strcat(buf, ",\n obj_description(pg_database.oid) as \"Description\"\n");
strcat(buf, "FROM pg_database\n"
- "WHERE pg_database.datdba NOT IN (SELECT usesysid FROM pg_user)\n");
+ "WHERE pg_database.datdba NOT IN (SELECT usesysid FROM pg_user)\n");
- strcat(buf, "ORDER BY \"Database\"");
+ strcat(buf, "ORDER BY \"Database\"");
res = PSQLexec(buf);
if (!res)
if (!res)
return false;
- myopt.nullPrint = NULL;
- sprintf(descbuf, "Access permissions for database \"%s\"", PQdb(pset.db));
- myopt.title = descbuf;
+ myopt.nullPrint = NULL;
+ sprintf(descbuf, "Access permissions for database \"%s\"", PQdb(pset.db));
+ myopt.title = descbuf;
- printQuery(res, &myopt, pset.queryFout);
+ printQuery(res, &myopt, pset.queryFout);
PQclear(res);
return true;
strcat(descbuf, "\nUNION ALL\n\n");
strcat(descbuf, "SELECT DISTINCT o.oprname as \"Name\", 'operator'::text as \"Object\", d.description as \"Description\"\n"
"FROM pg_operator o, pg_description d\n"
- /* must get comment via associated function */
+ /* must get comment via associated function */
"WHERE RegprocToOid(o.oprcode) = d.objoid\n");
if (object)
{
char **footers = NULL;
char **ptr;
unsigned int cols;
- struct { bool hasindex; char relkind; int16 checks; int16 triggers; bool hasrules; } tableinfo;
- bool error = false;
+ struct
+ {
+ bool hasindex;
+ char relkind;
+ int16 checks;
+ int16 triggers;
+ bool hasrules;
+ } tableinfo;
+ bool error = false;
+
+ /* truncate table name */
+ if (strlen(name) > NAMEDATALEN)
+ {
+ char *my_name = xmalloc(NAMEDATALEN + 1);
- /* truncate table name */
- if (strlen(name) > NAMEDATALEN) {
- char *my_name = xmalloc(NAMEDATALEN+1);
- strncpy(my_name, name, NAMEDATALEN);
- my_name[NAMEDATALEN] = '\0';
- name = my_name;
- }
+ strncpy(my_name, name, NAMEDATALEN);
+ my_name[NAMEDATALEN] = '\0';
+ name = my_name;
+ }
/* Get general table info */
- sprintf(buf,
- "SELECT relhasindex, relkind, relchecks, reltriggers, relhasrules\n"
- "FROM pg_class WHERE relname='%s'",
- name);
- res = PSQLexec(buf);
- if (!res)
- return false;
+ sprintf(buf,
+ "SELECT relhasindex, relkind, relchecks, reltriggers, relhasrules\n"
+ "FROM pg_class WHERE relname='%s'",
+ name);
+ res = PSQLexec(buf);
+ if (!res)
+ return false;
/* Did we get anything? */
if (PQntuples(res) == 0)
return false;
}
- /* FIXME: check for null pointers here? */
- tableinfo.hasindex = strcmp(PQgetvalue(res,0,0),"t")==0;
- tableinfo.relkind = *(PQgetvalue(res,0,1));
- tableinfo.checks = atoi(PQgetvalue(res,0,2));
- tableinfo.triggers = atoi(PQgetvalue(res,0,3));
- tableinfo.hasrules = strcmp(PQgetvalue(res,0,4),"t")==0;
- PQclear(res);
+ /* FIXME: check for null pointers here? */
+ tableinfo.hasindex = strcmp(PQgetvalue(res, 0, 0), "t") == 0;
+ tableinfo.relkind = *(PQgetvalue(res, 0, 1));
+ tableinfo.checks = atoi(PQgetvalue(res, 0, 2));
+ tableinfo.triggers = atoi(PQgetvalue(res, 0, 3));
+ tableinfo.hasrules = strcmp(PQgetvalue(res, 0, 4), "t") == 0;
+ PQclear(res);
headers[0] = "Attribute";
headers[1] = "Type";
cols = 2;
- if (tableinfo.relkind == 'r')
- {
- cols++;
- headers[cols-1] = "Modifier";
- }
+ if (tableinfo.relkind == 'r')
+ {
+ cols++;
+ headers[cols - 1] = "Modifier";
+ }
if (desc)
{
- cols++;
- headers[cols-1] = "Description";
+ cols++;
+ headers[cols - 1] = "Description";
}
- headers[cols] = NULL;
+ headers[cols] = NULL;
- /* Get column info */
+ /* Get column info */
strcpy(buf, "SELECT a.attname, t.typname, a.attlen, a.atttypmod, a.attnotnull, a.atthasdef, a.attnum");
if (desc)
strcat(buf, ", obj_description(a.oid)");
return false;
/* Check if table is a view */
- if (tableinfo.hasrules) {
- PGresult *result;
- sprintf(buf, "SELECT definition FROM pg_views WHERE viewname = '%s'", name);
- result = PSQLexec(buf);
- if (!result)
- {
- PQclear(res);
- PQclear(result);
- return false;
- }
-
- if (PQntuples(result) > 0)
- view_def = xstrdup(PQgetvalue(result, 0, 0));
- PQclear(result);
- }
+ if (tableinfo.hasrules)
+ {
+ PGresult *result;
+
+ sprintf(buf, "SELECT definition FROM pg_views WHERE viewname = '%s'", name);
+ result = PSQLexec(buf);
+ if (!result)
+ {
+ PQclear(res);
+ PQclear(result);
+ return false;
+ }
+
+ if (PQntuples(result) > 0)
+ view_def = xstrdup(PQgetvalue(result, 0, 0));
+ PQclear(result);
+ }
/* Generate table cells to be printed */
cells = xmalloc((PQntuples(res) * cols + 1) * sizeof(*cells));
- cells[PQntuples(res) * cols] = NULL; /* end of list */
+ cells[PQntuples(res) * cols] = NULL; /* end of list */
for (i = 0; i < PQntuples(res); i++)
{
int4 attypmod = atoi(PQgetvalue(res, i, 3));
const char *attype = PQgetvalue(res, i, 1);
- const char *typename;
- bool isarray = false;
+ const char *typename;
+ bool isarray = false;
/* Name */
- cells[i * cols + 0] = PQgetvalue(res, i, 0); /* don't free this afterwards */
+ cells[i * cols + 0] = PQgetvalue(res, i, 0); /* don't free this
+ * afterwards */
/* Type */
- if (attype[0] == '_')
- {
- isarray = true;
- attype++;
- }
- /* (convert some internal type names to SQL'ish) */
- if (strcmp(attype, "int2")==0)
- typename = "smallint";
- else if (strcmp(attype, "int4")==0)
- typename = "integer";
- else if (strcmp(attype, "int8")==0)
- typename = "bigint";
- else if (strcmp(attype, "bool")==0)
- typename = "boolean";
- else
- typename = attype;
- /* more might need to be added when date/time types are sorted out */
+ if (attype[0] == '_')
+ {
+ isarray = true;
+ attype++;
+ }
+ /* (convert some internal type names to SQL'ish) */
+ if (strcmp(attype, "int2") == 0)
+ typename = "smallint";
+ else if (strcmp(attype, "int4") == 0)
+ typename = "integer";
+ else if (strcmp(attype, "int8") == 0)
+ typename = "bigint";
+ else if (strcmp(attype, "bool") == 0)
+ typename = "boolean";
+ else
+ typename = attype;
+ /* more might need to be added when date/time types are sorted out */
cells[i * cols + 1] = xmalloc(NAMEDATALEN + 16);
if (strcmp(typename, "bpchar") == 0)
else
strcpy(cells[i * cols + 1], typename);
- if (isarray)
+ if (isarray)
strcat(cells[i * cols + 1], "[]");
/* Extra: not null and default */
/* (I'm cutting off the 'default' string at 128) */
- if (tableinfo.relkind == 'r')
- {
- cells[i * cols + 2] = xmalloc(128 + 128);
- cells[i * cols + 2][0] = '\0';
- if (strcmp(PQgetvalue(res, i, 4), "t") == 0)
- strcat(cells[i * cols + 2], "not null");
-
- /* handle "default" here */
- if (strcmp(PQgetvalue(res, i, 5), "t") == 0)
- {
- PGresult *result;
-
- sprintf(buf, "SELECT substring(d.adsrc for 128) FROM pg_attrdef d, pg_class c\n"
- "WHERE c.relname = '%s' AND c.oid = d.adrelid AND d.adnum = %s",
- name, PQgetvalue(res, i, 6));
-
- result = PSQLexec(buf);
- if (!result)
- error = true;
- else
- {
- if (cells[i * cols + 2][0])
- strcat(cells[i * cols + 2], " ");
- strcat(cells[i * cols + 2], "default ");
- strcat(cells[i * cols + 2], PQgetvalue(result, 0, 0));
- PQclear(result);
- }
- }
- }
-
- if (error)
- break;
-
+ if (tableinfo.relkind == 'r')
+ {
+ cells[i * cols + 2] = xmalloc(128 + 128);
+ cells[i * cols + 2][0] = '\0';
+ if (strcmp(PQgetvalue(res, i, 4), "t") == 0)
+ strcat(cells[i * cols + 2], "not null");
+
+ /* handle "default" here */
+ if (strcmp(PQgetvalue(res, i, 5), "t") == 0)
+ {
+ PGresult *result;
+
+ sprintf(buf, "SELECT substring(d.adsrc for 128) FROM pg_attrdef d, pg_class c\n"
+ "WHERE c.relname = '%s' AND c.oid = d.adrelid AND d.adnum = %s",
+ name, PQgetvalue(res, i, 6));
+
+ result = PSQLexec(buf);
+ if (!result)
+ error = true;
+ else
+ {
+ if (cells[i * cols + 2][0])
+ strcat(cells[i * cols + 2], " ");
+ strcat(cells[i * cols + 2], "default ");
+ strcat(cells[i * cols + 2], PQgetvalue(result, 0, 0));
+ PQclear(result);
+ }
+ }
+ }
+
+ if (error)
+ break;
+
/* Description */
if (desc)
- cells[i * cols + cols-1] = PQgetvalue(res, i, 7);
+ cells[i * cols + cols - 1] = PQgetvalue(res, i, 7);
}
/* Make title */
title = xmalloc(22 + strlen(name));
- switch (tableinfo.relkind) {
- case 'r':
- if (view_def)
- sprintf(title, "View \"%s\"", name);
- else
- sprintf(title, "Table \"%s\"", name);
- break;
- case 'S':
- sprintf(title, "Sequence \"%s\"", name);
- break;
- case 'i':
- sprintf(title, "Index \"%s\"", name);
- break;
- case 's':
- sprintf(title, "Special relation \"%s\"", name);
- break;
- default:
- sprintf(title, "?%c?", tableinfo.relkind);
- }
+ switch (tableinfo.relkind)
+ {
+ case 'r':
+ if (view_def)
+ sprintf(title, "View \"%s\"", name);
+ else
+ sprintf(title, "Table \"%s\"", name);
+ break;
+ case 'S':
+ sprintf(title, "Sequence \"%s\"", name);
+ break;
+ case 'i':
+ sprintf(title, "Index \"%s\"", name);
+ break;
+ case 's':
+ sprintf(title, "Special relation \"%s\"", name);
+ break;
+ default:
+ sprintf(title, "?%c?", tableinfo.relkind);
+ }
/* Make footers */
- /* Information about the index */
- if (tableinfo.relkind == 'i')
- {
- PGresult * result;
-
- sprintf(buf, "SELECT i.indisunique, i.indisprimary, a.amname\n"
- "FROM pg_index i, pg_class c, pg_am a\n"
- "WHERE i.indexrelid = c.oid AND c.relname = '%s' AND c.relam = a.oid",
- name);
-
- result = PSQLexec(buf);
- if (!result)
- error = true;
- else
- {
- footers = xmalloc(2 * sizeof(*footers));
- footers[0] = xmalloc(NAMEDATALEN + 32);
- sprintf(footers[0], "%s%s",
- strcmp(PQgetvalue(result, 0, 0), "t")==0 ? "unique " : "",
- PQgetvalue(result, 0, 2)
- );
- if (strcmp(PQgetvalue(result, 0, 1), "t")==0)
- strcat(footers[0], " (primary key)");
- footers[1] = NULL;
- }
- }
- /* Information about the view */
+ /* Information about the index */
+ if (tableinfo.relkind == 'i')
+ {
+ PGresult *result;
+
+ sprintf(buf, "SELECT i.indisunique, i.indisprimary, a.amname\n"
+ "FROM pg_index i, pg_class c, pg_am a\n"
+ "WHERE i.indexrelid = c.oid AND c.relname = '%s' AND c.relam = a.oid",
+ name);
+
+ result = PSQLexec(buf);
+ if (!result)
+ error = true;
+ else
+ {
+ footers = xmalloc(2 * sizeof(*footers));
+ footers[0] = xmalloc(NAMEDATALEN + 32);
+ sprintf(footers[0], "%s%s",
+ strcmp(PQgetvalue(result, 0, 0), "t") == 0 ? "unique " : "",
+ PQgetvalue(result, 0, 2)
+ );
+ if (strcmp(PQgetvalue(result, 0, 1), "t") == 0)
+ strcat(footers[0], " (primary key)");
+ footers[1] = NULL;
+ }
+ }
+ /* Information about the view */
else if (tableinfo.relkind == 'r' && view_def)
{
footers = xmalloc(2 * sizeof(*footers));
footers[1] = NULL;
}
- /* Information about the table */
+ /* Information about the table */
else if (tableinfo.relkind == 'r')
{
- PGresult *result1=NULL, *result2=NULL, *result3=NULL, *result4=NULL;
- int index_count=0, constr_count=0, rule_count=0, trigger_count=0;
- int count_footers=0;
+ PGresult *result1 = NULL,
+ *result2 = NULL,
+ *result3 = NULL,
+ *result4 = NULL;
+ int index_count = 0,
+ constr_count = 0,
+ rule_count = 0,
+ trigger_count = 0;
+ int count_footers = 0;
/* count indices */
- if (!error && tableinfo.hasindex)
- {
- sprintf(buf, "SELECT c2.relname\n"
- "FROM pg_class c, pg_class c2, pg_index i\n"
- "WHERE c.relname = '%s' AND c.oid = i.indrelid AND i.indexrelid = c2.oid\n"
- "ORDER BY c2.relname",
- name);
- result1 = PSQLexec(buf);
- if (!result1)
- error = true;
- else
- index_count = PQntuples(result1);
- }
-
- /* count table (and column) constraints */
- if (!error && tableinfo.checks)
- {
- sprintf(buf, "SELECT rcsrc\n"
- "FROM pg_relcheck r, pg_class c\n"
- "WHERE c.relname='%s' AND c.oid = r.rcrelid",
- name);
- result2 = PSQLexec(buf);
- if (!result2)
- error = true;
- else
- constr_count = PQntuples(result2);
- }
-
- /* count rules */
- if (!error && tableinfo.hasrules)
- {
- sprintf(buf,
- "SELECT r.rulename\n"
- "FROM pg_rewrite r, pg_class c\n"
- "WHERE c.relname='%s' AND c.oid = r.ev_class",
- name);
- result3 = PSQLexec(buf);
- if (!result3)
- error = true;
- else
- rule_count = PQntuples(result3);
- }
-
- /* count triggers */
- if (!error && tableinfo.hasrules)
- {
- sprintf(buf,
- "SELECT t.tgname\n"
- "FROM pg_trigger t, pg_class c\n"
- "WHERE c.relname='%s' AND c.oid = t.tgrelid",
- name);
- result4 = PSQLexec(buf);
- if (!result4)
- error = true;
- else
- trigger_count = PQntuples(result4);
- }
-
- footers = xmalloc((index_count + constr_count + rule_count + trigger_count + 1)
- * sizeof(*footers));
-
- /* print indices */
- for (i = 0; i < index_count; i++)
- {
- sprintf(buf, "%s %s",
- index_count==1 ? "Index:" : (i==0 ? "Indices:" : " "),
- PQgetvalue(result1, i, 0)
- );
- if (i < index_count-1)
- strcat(buf, ",");
-
- footers[count_footers++] = xstrdup(buf);
- }
-
- /* print contraints */
- for (i = 0; i < constr_count; i++)
- {
- sprintf(buf, "%s %s",
- constr_count==1 ? "Constraint:" : (i==0 ? "Constraints:" : " "),
- PQgetvalue(result2, i, 0)
- );
- footers[count_footers++] = xstrdup(buf);
- }
-
- /* print rules */
- for (i = 0; i < rule_count; i++)
- {
- sprintf(buf, "%s %s",
- rule_count==1 ? "Rule:" : (i==0 ? "Rules:" : " "),
- PQgetvalue(result3, i, 0)
- );
- if (i < rule_count-1)
- strcat(buf, ",");
-
- footers[count_footers++] = xstrdup(buf);
- }
-
- /* print triggers */
- for (i = 0; i < trigger_count; i++)
- {
- sprintf(buf, "%s %s",
- trigger_count==1 ? "Trigger:" : (i==0 ? "Triggers:" : " "),
- PQgetvalue(result4, i, 0)
- );
- if (i < trigger_count-1)
- strcat(buf, ",");
-
- footers[count_footers++] = xstrdup(buf);
- }
-
- /* end of list marker */
- footers[count_footers] = NULL;
-
- PQclear(result1);
- PQclear(result2);
- PQclear(result3);
- PQclear(result4);
+ if (!error && tableinfo.hasindex)
+ {
+ sprintf(buf, "SELECT c2.relname\n"
+ "FROM pg_class c, pg_class c2, pg_index i\n"
+ "WHERE c.relname = '%s' AND c.oid = i.indrelid AND i.indexrelid = c2.oid\n"
+ "ORDER BY c2.relname",
+ name);
+ result1 = PSQLexec(buf);
+ if (!result1)
+ error = true;
+ else
+ index_count = PQntuples(result1);
+ }
+
+ /* count table (and column) constraints */
+ if (!error && tableinfo.checks)
+ {
+ sprintf(buf, "SELECT rcsrc\n"
+ "FROM pg_relcheck r, pg_class c\n"
+ "WHERE c.relname='%s' AND c.oid = r.rcrelid",
+ name);
+ result2 = PSQLexec(buf);
+ if (!result2)
+ error = true;
+ else
+ constr_count = PQntuples(result2);
+ }
+
+ /* count rules */
+ if (!error && tableinfo.hasrules)
+ {
+ sprintf(buf,
+ "SELECT r.rulename\n"
+ "FROM pg_rewrite r, pg_class c\n"
+ "WHERE c.relname='%s' AND c.oid = r.ev_class",
+ name);
+ result3 = PSQLexec(buf);
+ if (!result3)
+ error = true;
+ else
+ rule_count = PQntuples(result3);
+ }
+
+ /* count triggers */
+ if (!error && tableinfo.hasrules)
+ {
+ sprintf(buf,
+ "SELECT t.tgname\n"
+ "FROM pg_trigger t, pg_class c\n"
+ "WHERE c.relname='%s' AND c.oid = t.tgrelid",
+ name);
+ result4 = PSQLexec(buf);
+ if (!result4)
+ error = true;
+ else
+ trigger_count = PQntuples(result4);
+ }
+
+ footers = xmalloc((index_count + constr_count + rule_count + trigger_count + 1)
+ * sizeof(*footers));
+
+ /* print indices */
+ for (i = 0; i < index_count; i++)
+ {
+ sprintf(buf, "%s %s",
+ index_count == 1 ? "Index:" : (i == 0 ? "Indices:" : " "),
+ PQgetvalue(result1, i, 0)
+ );
+ if (i < index_count - 1)
+ strcat(buf, ",");
+
+ footers[count_footers++] = xstrdup(buf);
+ }
+
+ /* print contraints */
+ for (i = 0; i < constr_count; i++)
+ {
+ sprintf(buf, "%s %s",
+ constr_count == 1 ? "Constraint:" : (i == 0 ? "Constraints:" : " "),
+ PQgetvalue(result2, i, 0)
+ );
+ footers[count_footers++] = xstrdup(buf);
+ }
+
+ /* print rules */
+ for (i = 0; i < rule_count; i++)
+ {
+ sprintf(buf, "%s %s",
+ rule_count == 1 ? "Rule:" : (i == 0 ? "Rules:" : " "),
+ PQgetvalue(result3, i, 0)
+ );
+ if (i < rule_count - 1)
+ strcat(buf, ",");
+
+ footers[count_footers++] = xstrdup(buf);
+ }
+
+ /* print triggers */
+ for (i = 0; i < trigger_count; i++)
+ {
+ sprintf(buf, "%s %s",
+ trigger_count == 1 ? "Trigger:" : (i == 0 ? "Triggers:" : " "),
+ PQgetvalue(result4, i, 0)
+ );
+ if (i < trigger_count - 1)
+ strcat(buf, ",");
+
+ footers[count_footers++] = xstrdup(buf);
+ }
+
+ /* end of list marker */
+ footers[count_footers] = NULL;
+
+ PQclear(result1);
+ PQclear(result2);
+ PQclear(result3);
+ PQclear(result4);
}
- if (!error)
- printTable(title, headers,
- (const char**)cells, (const char**)footers,
- "llll", &myopt, pset.queryFout);
+ if (!error)
+ printTable(title, headers,
+ (const char **) cells, (const char **) footers,
+ "llll", &myopt, pset.queryFout);
/* clean up */
free(title);
for (i = 0; i < PQntuples(res); i++)
{
free(cells[i * cols + 1]);
- if (tableinfo.relkind == 'r')
- free(cells[i * cols + 2]);
+ if (tableinfo.relkind == 'r')
+ free(cells[i * cols + 2]);
}
free(cells);
strcat(buf, "'\n");
}
- strcat(buf, "UNION\n");
+ strcat(buf, "UNION\n");
strcat(buf, "SELECT c.relname as \"Name\", 'table'::text as \"Type\", NULL as \"Owner\"");
if (desc)
strcat(buf, ", obj_description(c.oid) as \"Description\"");
strcat(buf, "\nFROM pg_class c\n"
"WHERE c.relkind = 'r'\n"
" AND not exists (select 1 from pg_views where viewname = c.relname)\n"
- " AND not exists (select 1 from pg_user where usesysid = c.relowner)\n");
+ " AND not exists (select 1 from pg_user where usesysid = c.relowner)\n");
strcat(buf, showSystem ? " AND c.relname ~ '^pg_'\n" : " AND c.relname !~ '^pg_'\n");
if (name)
{
strcat(buf, "'\n");
}
- strcat(buf, "UNION\n");
+ strcat(buf, "UNION\n");
strcat(buf, "SELECT c.relname as \"Name\", 'view'::text as \"Type\", NULL as \"Owner\"");
if (desc)
strcat(buf, ", obj_description(c.oid) as \"Description\"");
strcat(buf, "\nFROM pg_class c\n"
"WHERE c.relkind = 'r'\n"
" AND exists (select 1 from pg_views where viewname = c.relname)\n"
- " AND not exists (select 1 from pg_user where usesysid = c.relowner)\n");
+ " AND not exists (select 1 from pg_user where usesysid = c.relowner)\n");
strcat(buf, showSystem ? " AND c.relname ~ '^pg_'\n" : " AND c.relname !~ '^pg_'\n");
if (name)
{
strcat(buf, "\nUNION\n\n");
strcat(buf,
- "SELECT c.relname as \"Name\",\n"
+ "SELECT c.relname as \"Name\",\n"
" (CASE WHEN relkind = 'S' THEN 'sequence'::text ELSE 'index'::text END) as \"Type\",\n"
- " u.usename as \"Owner\""
- );
+ " u.usename as \"Owner\""
+ );
if (desc)
strcat(buf, ", obj_description(c.oid) as \"Description\"");
strcat(buf, "\nFROM pg_class c, pg_user u\n"
strcat(buf, "'\n");
}
- strcat(buf, "UNION\n");
+ strcat(buf, "UNION\n");
strcat(buf,
- "SELECT c.relname as \"Name\",\n"
+ "SELECT c.relname as \"Name\",\n"
" (CASE WHEN relkind = 'S' THEN 'sequence'::text ELSE 'index'::text END) as \"Type\",\n"
- " NULL as \"Owner\""
- );
+ " NULL as \"Owner\""
+ );
if (desc)
strcat(buf, ", obj_description(c.oid) as \"Description\"");
strcat(buf, "\nFROM pg_class c\n"
strcat(buf, "'\n");
}
- strcat(buf, "UNION\n");
+ strcat(buf, "UNION\n");
strcat(buf, "SELECT c.relname as \"Name\", 'special'::text as \"Type\", NULL as \"Owner\"");
if (desc)
strcat(buf, ", obj_description(c.oid) as \"Description\"");
strcat(buf, "\nFROM pg_class c\n"
"WHERE c.relkind = 's'\n"
- " AND not exists (select 1 from pg_user where usesysid = c.relowner)");
+ " AND not exists (select 1 from pg_user where usesysid = c.relowner)");
if (name)
{
strcat(buf, " AND c.relname ~ '^");
return false;
if (PQntuples(res) == 0 && !QUIET())
- {
- if (name)
- fprintf(pset.queryFout, "No matching relations found.\n");
- else
- fprintf(pset.queryFout, "No relations found.\n");
- }
+ {
+ if (name)
+ fprintf(pset.queryFout, "No matching relations found.\n");
+ else
+ fprintf(pset.queryFout, "No relations found.\n");
+ }
else
{
myopt.nullPrint = NULL;
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/describe.h,v 1.8 2000/02/16 13:15:26 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/describe.h,v 1.9 2000/04/12 17:16:22 momjian Exp $
*/
#ifndef DESCRIBE_H
#define DESCRIBE_H
#include "settings.h"
/* \da */
-bool describeAggregates(const char *name);
+bool describeAggregates(const char *name);
/* \df */
-bool describeFunctions(const char *name, bool verbose);
+bool describeFunctions(const char *name, bool verbose);
/* \dT */
-bool describeTypes(const char *name, bool verbose);
+bool describeTypes(const char *name, bool verbose);
/* \do */
-bool describeOperators(const char *name);
+bool describeOperators(const char *name);
/* \z (or \dp) */
-bool permissionsList(const char *name);
+bool permissionsList(const char *name);
/* \dd */
-bool objectDescription(const char *object);
+bool objectDescription(const char *object);
/* \d foo */
-bool describeTableDetails(const char *name, bool desc);
+bool describeTableDetails(const char *name, bool desc);
/* \l */
-bool listAllDbs(bool desc);
+bool listAllDbs(bool desc);
/* \dt, \di, \ds, \dS, etc. */
-bool listTables(const char *infotype, const char *name, bool desc);
+bool listTables(const char *infotype, const char *name, bool desc);
#endif /* DESCRIBE_H */
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/help.c,v 1.24 2000/03/05 13:30:19 petere Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/help.c,v 1.25 2000/04/12 17:16:22 momjian Exp $
*/
#include "postgres.h"
#include "help.h"
#ifndef WIN32
struct passwd *pw = NULL;
+
#endif
/* Find default user, in case we need it. */
}
/* If this " is the start of the string then it ought to end there to fit in 80 columns >> " */
- puts( "This is psql, the PostgreSQL interactive terminal.\n");
- puts( "Usage:");
- puts( " psql [options] [dbname [username]]\n");
- puts( "Options:");
- puts( " -a Echo all input from script");
- puts( " -A Unaligned table output mode (-P format=unaligned)");
- puts( " -c <query> Run only single query (or slash command) and exit");
+ puts("This is psql, the PostgreSQL interactive terminal.\n");
+ puts("Usage:");
+ puts(" psql [options] [dbname [username]]\n");
+ puts("Options:");
+ puts(" -a Echo all input from script");
+ puts(" -A Unaligned table output mode (-P format=unaligned)");
+ puts(" -c <query> Run only single query (or slash command) and exit");
/* Display default database */
env = getenv("PGDATABASE");
env = user;
printf(" -d <dbname> Specify database name to connect to (default: %s)\n", env);
- puts( " -e Echo queries sent to backend");
- puts( " -E Display queries that internal commands generate");
- puts( " -f <filename> Execute queries from file, then exit");
- puts( " -F <string> Set field separator (default: \"" DEFAULT_FIELD_SEP "\") (-P fieldsep=)");
+ puts(" -e Echo queries sent to backend");
+ puts(" -E Display queries that internal commands generate");
+ puts(" -f <filename> Execute queries from file, then exit");
+ puts(" -F <string> Set field separator (default: \"" DEFAULT_FIELD_SEP "\") (-P fieldsep=)");
/* Display default host */
env = getenv("PGHOST");
fputs("domain socket", stdout);
puts(")");
- puts( " -H HTML table output mode (-P format=html)");
- puts( " -l List available databases, then exit");
- puts( " -o <filename> Send query output to filename (or |pipe)");
+ puts(" -H HTML table output mode (-P format=html)");
+ puts(" -l List available databases, then exit");
+ puts(" -o <filename> Send query output to filename (or |pipe)");
/* Display default port */
env = getenv("PGPORT");
printf(" -p <port> Specify database server port (default: %s)\n",
- env ? env : "hardwired");
+ env ? env : "hardwired");
- puts( " -P var[=arg] Set printing option 'var' to 'arg' (see \\pset command)");
- puts( " -q Run quietly (no messages, only query output)");
- puts( " -R <string> Set record separator (default: newline) (-P recordsep=)");
- puts( " -s Single step mode (confirm each query)");
- puts( " -S Single line mode (newline terminates query)");
- puts( " -t Don't print headings and row count (-P tuples_only)");
- puts( " -T text Set HTML table tag options (width, border) (-P tableattr=)");
+ puts(" -P var[=arg] Set printing option 'var' to 'arg' (see \\pset command)");
+ puts(" -q Run quietly (no messages, only query output)");
+ puts(" -R <string> Set record separator (default: newline) (-P recordsep=)");
+ puts(" -s Single step mode (confirm each query)");
+ puts(" -S Single line mode (newline terminates query)");
+ puts(" -t Don't print headings and row count (-P tuples_only)");
+ puts(" -T text Set HTML table tag options (width, border) (-P tableattr=)");
/* Display default user */
env = getenv("PGUSER");
env = user;
printf(" -U <username> Specify database username (default: %s)\n", env);
- puts( " -v name=val Set psql variable 'name' to 'value'");
- puts( " -V Show version information and exit");
- puts( " -W Prompt for password (should happen automatically)");
- puts( " -x Turn on expanded table output (-P expanded)");
- puts( " -X Do not read startup file (~/.psqlrc)");
+ puts(" -v name=val Set psql variable 'name' to 'value'");
+ puts(" -V Show version information and exit");
+ puts(" -W Prompt for password (should happen automatically)");
+ puts(" -x Turn on expanded table output (-P expanded)");
+ puts(" -X Do not read startup file (~/.psqlrc)");
- puts( "\nFor more information, type \"\\?\" (for internal commands) or \"\\help\"");
- puts( "(for SQL commands) from within psql, or consult the psql section in");
- puts( "the PostgreSQL manual, which accompanies the distribution and is also");
- puts( "available at <http://www.postgresql.org>.");
-
puts( "Report bugs to <pgsql-bugs@postgresql.org>.");
+ puts("\nFor more information, type \"\\?\" (for internal commands) or \"\\help\"");
+ puts("(for SQL commands) from within psql, or consult the psql section in");
+ puts("the PostgreSQL manual, which accompanies the distribution and is also");
+ puts("available at <http://www.postgresql.org>.");
+
puts("Report bugs to <pgsql-bugs@postgresql.org>.");
#ifndef WIN32
if (pw)
fout = stdout;
/* if you add/remove a line here, change the row test above */
- fprintf(fout, " \\a toggle between unaligned and aligned mode\n");
+ fprintf(fout, " \\a toggle between unaligned and aligned mode\n");
fprintf(fout, " \\c[onnect] [dbname|- [user]]\n"
- " connect to new database (currently '%s')\n", PQdb(pset.db));
+ " connect to new database (currently '%s')\n", PQdb(pset.db));
fprintf(fout, " \\copy ... perform SQL COPY with data stream to the client machine\n");
fprintf(fout, " \\copyright show PostgreSQL usage and distribution terms\n");
fprintf(fout, " \\d <table> describe table (or view, index, sequence)\n");
fprintf(fout, " \\e [fname] edit the current query buffer or <fname> with external editor\n");
fprintf(fout, " \\echo <text> write text to stdout\n");
fprintf(fout, " \\encoding <encoding> set client encoding\n");
- fprintf(fout, " \\f <sep> change field separator\n");
+ fprintf(fout, " \\f <sep> change field separator\n");
fprintf(fout, " \\g [fname] send query to backend (and results in <fname> or |pipe)\n");
fprintf(fout, " \\h [cmd] help on syntax of sql commands, * for all commands\n");
- fprintf(fout, " \\H toggle HTML mode (currently %s)\n",
- ON(pset.popt.topt.format==PRINT_HTML));
+ fprintf(fout, " \\H toggle HTML mode (currently %s)\n",
+ ON(pset.popt.topt.format == PRINT_HTML));
fprintf(fout, " \\i <fname> read and execute queries from filename\n");
fprintf(fout, " \\l list all databases\n");
fprintf(fout, " \\lo_export, \\lo_import, \\lo_list, \\lo_unlink\n"
- " large object operations\n");
+ " large object operations\n");
fprintf(fout, " \\o [fname] send all query results to <fname>, or |pipe\n");
fprintf(fout, " \\p show the content of the current query buffer\n");
fprintf(fout, " \\pset {format|border|expanded|fieldsep|recordsep|tuples_only|title|tableattr\n"
- " |pager} set table output options\n");
+ " |pager} set table output options\n");
fprintf(fout, " \\q quit psql\n");
fprintf(fout, " \\qecho <text> write text to query output stream (see \\o)\n");
fprintf(fout, " \\r reset (clear) the query buffer\n");
if (!topic || strlen(topic) == 0)
{
int i;
- int items_per_column = (QL_HELP_COUNT + 2)/3;
+ int items_per_column = (QL_HELP_COUNT + 2) / 3;
puts("Available help:");
- for (i = 0; i < items_per_column; i++)
+ for (i = 0; i < items_per_column; i++)
{
- printf(" %-25s%-25s%-25s\n",
- VALUE_OR_NULL(QL_HELP[i].cmd),
- VALUE_OR_NULL(QL_HELP[i + items_per_column].cmd),
- VALUE_OR_NULL(QL_HELP[i + 2*items_per_column].cmd)
- );
+ printf(" %-25s%-25s%-25s\n",
+ VALUE_OR_NULL(QL_HELP[i].cmd),
+ VALUE_OR_NULL(QL_HELP[i + items_per_column].cmd),
+ VALUE_OR_NULL(QL_HELP[i + 2 * items_per_column].cmd)
+ );
}
- putc('\n', stdout);
+ putc('\n', stdout);
}
else
{
help_found = true;
printf("Command: %s\n"
- "Description: %s\n"
- "Syntax:\n%s\n\n",
- QL_HELP[i].cmd, QL_HELP[i].help, QL_HELP[i].syntax);
+ "Description: %s\n"
+ "Syntax:\n%s\n\n",
+ QL_HELP[i].cmd, QL_HELP[i].help, QL_HELP[i].syntax);
}
}
print_copyright(void)
{
puts(
- "PostgreSQL Data Base Management System\n\n"
- "Portions Copyright (c) 1996-2000, PostgreSQL, Inc\n\n"
- "This software is based on Postgres95, formerly known as Postgres, which\n"
- "contains the following notice:\n\n"
- "Portions Copyright(c) 1994 - 7 Regents of the University of California\n\n"
- "Permission to use, copy, modify, and distribute this software and its\n"
- "documentation for any purpose, without fee, and without a written agreement\n"
- "is hereby granted, provided that the above copyright notice and this paragraph\n"
- "and the following two paragraphs appear in all copies.\n\n"
- "IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR\n"
- "DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST\n"
- "PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF\n"
- "THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH\n"
- "DAMAGE.\n\n"
- "THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,\n"
- "BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A\n"
- "PARTICULAR PURPOSE.THE SOFTWARE PROVIDED HEREUNDER IS ON AN \"AS IS\" BASIS,\n"
- "AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE,\n"
- "SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS."
- );
+ "PostgreSQL Data Base Management System\n\n"
+ "Portions Copyright (c) 1996-2000, PostgreSQL, Inc\n\n"
+ "This software is based on Postgres95, formerly known as Postgres, which\n"
+ "contains the following notice:\n\n"
+ "Portions Copyright(c) 1994 - 7 Regents of the University of California\n\n"
+ "Permission to use, copy, modify, and distribute this software and its\n"
+ "documentation for any purpose, without fee, and without a written agreement\n"
+ "is hereby granted, provided that the above copyright notice and this paragraph\n"
+ "and the following two paragraphs appear in all copies.\n\n"
+ "IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR\n"
+ "DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST\n"
+ "PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF\n"
+ "THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH\n"
+ "DAMAGE.\n\n"
+ "THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,\n"
+ "BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A\n"
+ "PARTICULAR PURPOSE.THE SOFTWARE PROVIDED HEREUNDER IS ON AN \"AS IS\" BASIS,\n"
+ "AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE,\n"
+ "SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS."
+ );
}
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/input.c,v 1.12 2000/02/20 14:28:20 petere Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/input.c,v 1.13 2000/04/12 17:16:22 momjian Exp $
*/
#include "postgres.h"
#include "input.h"
gets_interactive(char *prompt)
{
char *s;
+
#ifdef USE_HISTORY
- const char *var;
- static char * prev_hist = NULL;
+ const char *var;
+ static char *prev_hist = NULL;
+
#endif
#ifdef USE_READLINE
#endif
#ifdef USE_HISTORY
- if (useHistory && s && s[0] != '\0')
- {
- var = GetVariable(pset.vars, "HISTCONTROL");
- if (!var || (var
- && !((strcmp(var, "ignorespace") == 0 || strcmp(var, "ignoreboth") ==0) && s[0] == ' ' )
- && !((strcmp(var, "ignoredups") == 0 || strcmp(var, "ignoreboth") ==0) && prev_hist && strcmp(s, prev_hist) == 0)
- ))
- {
- free(prev_hist);
- prev_hist = strdup(s);
- add_history(s);
- }
- }
+ if (useHistory && s && s[0] != '\0')
+ {
+ var = GetVariable(pset.vars, "HISTCONTROL");
+ if (!var || (var
+ && !((strcmp(var, "ignorespace") == 0 || strcmp(var, "ignoreboth") == 0) && s[0] == ' ')
+ && !((strcmp(var, "ignoredups") == 0 || strcmp(var, "ignoreboth") == 0) && prev_hist && strcmp(s, prev_hist) == 0)
+ ))
+ {
+ free(prev_hist);
+ prev_hist = strdup(s);
+ add_history(s);
+ }
+ }
#endif
return s;
if (flags == 1)
{
useReadline = true;
- initialize_readline();
+ initialize_readline();
}
#endif
const char *home;
useHistory = true;
- SetVariable(pset.vars, "HISTSIZE", "500");
+ SetVariable(pset.vars, "HISTSIZE", "500");
using_history();
home = getenv("HOME");
if (home)
}
#endif
- atexit(finishInput);
+ atexit(finishInput);
}
psql_history = (char *) malloc(strlen(home) + 20);
if (psql_history)
{
- const char * var = GetVariable(pset.vars, "HISTSIZE");
- if (var)
- stifle_history(atoi(var));
+ const char *var = GetVariable(pset.vars, "HISTSIZE");
+
+ if (var)
+ stifle_history(atoi(var));
sprintf(psql_history, "%s/.psql_history", home);
write_history(psql_history);
free(psql_history);
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/input.h,v 1.9 2000/03/08 01:58:22 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/input.h,v 1.10 2000/04/12 17:16:22 momjian Exp $
*/
#ifndef INPUT_H
#define INPUT_H
* USE_READLINE and USE_HISTORY are the definite pointers regarding existence or not.
*/
#ifdef HAVE_LIBREADLINE
-# if defined(HAVE_READLINE_READLINE_H)
-# include <readline/readline.h>
-# define USE_READLINE 1
-# elif defined(HAVE_READLINE_H)
-# include <readline.h>
-# define USE_READLINE 1
-# endif
+#if defined(HAVE_READLINE_READLINE_H)
+#include <readline/readline.h>
+#define USE_READLINE 1
+#elif defined(HAVE_READLINE_H)
+#include <readline.h>
+#define USE_READLINE 1
+#endif
#endif
#if defined(HAVE_LIBHISTORY) || (defined(HAVE_LIBREADLINE) && defined(HAVE_HISTORY_IN_READLINE))
-# if defined(HAVE_READLINE_HISTORY_H)
-# include <readline/history.h>
-# define USE_HISTORY 1
-# elif defined(HAVE_HISTORY_H)
-# include <history.h>
-# define USE_HISTORY 1
-# endif
+#if defined(HAVE_READLINE_HISTORY_H)
+#include <readline/history.h>
+#define USE_HISTORY 1
+#elif defined(HAVE_HISTORY_H)
+#include <history.h>
+#define USE_HISTORY 1
+#endif
#endif
-char * gets_interactive(char *prompt);
-char * gets_fromFile(FILE *source);
+char *gets_interactive(char *prompt);
+char *gets_fromFile(FILE *source);
-void initializeInput(int flags);
-bool saveHistory(char *fname);
-void finishInput(void);
+void initializeInput(int flags);
+bool saveHistory(char *fname);
+void finishInput(void);
-#endif /* INPUT_H */
+#endif /* INPUT_H */
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/large_obj.c,v 1.9 2000/02/16 13:15:26 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/large_obj.c,v 1.10 2000/04/12 17:16:22 momjian Exp $
*/
#include "postgres.h"
#include "large_obj.h"
if (!pset.db)
{
- if (!pset.cur_cmd_interactive)
- fprintf(stderr, "%s: ", pset.progname);
+ if (!pset.cur_cmd_interactive)
+ fprintf(stderr, "%s: ", pset.progname);
fputs("\\lo_export: not connected to a database\n", stderr);
return false;
}
if (!pset.db)
{
- if (!pset.cur_cmd_interactive)
- fprintf(stderr, "%s: ", pset.progname);
+ if (!pset.cur_cmd_interactive)
+ fprintf(stderr, "%s: ", pset.progname);
fputs("\\lo_import: not connected to a database\n", stderr);
return false;
}
fprintf(pset.queryFout, "lo_import %d\n", loid);
- sprintf(buf, "%u", (unsigned int)loid);
- SetVariable(pset.vars, "LASTOID", buf);
+ sprintf(buf, "%u", (unsigned int) loid);
+ SetVariable(pset.vars, "LASTOID", buf);
return true;
}
if (!pset.db)
{
- if (!pset.cur_cmd_interactive)
- fprintf(stderr, "%s: ", pset.progname);
+ if (!pset.cur_cmd_interactive)
+ fprintf(stderr, "%s: ", pset.progname);
fputs("\\lo_unlink: not connected to a database\n", stderr);
return false;
}
printQueryOpt myopt = pset.popt;
strcpy(buf,
- "SELECT usename as \"Owner\", substring(relname from 5) as \"ID\",\n"
- " obj_description(pg_class.oid) as \"Description\"\n"
- "FROM pg_class, pg_user\n"
+ "SELECT usename as \"Owner\", substring(relname from 5) as \"ID\",\n"
+ " obj_description(pg_class.oid) as \"Description\"\n"
+ "FROM pg_class, pg_user\n"
"WHERE usesysid = relowner AND relkind = 'l'\n"
- "UNION\n"
- "SELECT NULL as \"Owner\", substring(relname from 5) as \"ID\",\n"
- " obj_description(pg_class.oid) as \"Description\"\n"
- "FROM pg_class\n"
+ "UNION\n"
+ "SELECT NULL as \"Owner\", substring(relname from 5) as \"ID\",\n"
+ " obj_description(pg_class.oid) as \"Description\"\n"
+ "FROM pg_class\n"
"WHERE not exists (select 1 from pg_user where usesysid = relowner) AND relkind = 'l'\n"
"ORDER BY \"ID\"");
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/mainloop.c,v 1.27 2000/03/27 21:11:37 petere Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/mainloop.c,v 1.28 2000/04/12 17:16:22 momjian Exp $
*/
#include "postgres.h"
#include "mainloop.h"
#ifndef WIN32
#include <setjmp.h>
-sigjmp_buf main_loop_jmp;
+sigjmp_buf main_loop_jmp;
+
#endif
MainLoop(FILE *source)
{
PQExpBuffer query_buf; /* buffer for query being accumulated */
- PQExpBuffer previous_buf; /* if there isn't anything in the new buffer
- yet, use this one for \e, etc. */
+ PQExpBuffer previous_buf; /* if there isn't anything in the new
+ * buffer yet, use this one for \e, etc. */
char *line; /* current line of input */
int len; /* length of the line */
volatile int successResult = EXIT_SUCCESS;
volatile bool xcomment; /* in extended comment */
volatile int paren_level;
unsigned int query_start;
- volatile int count_eof = 0;
- const char *var;
- volatile unsigned int bslash_count = 0;
+ volatile int count_eof = 0;
+ const char *var;
+ volatile unsigned int bslash_count = 0;
int i,
prevlen,
FILE *prev_cmd_source;
bool prev_cmd_interactive;
- unsigned int prev_lineno;
+ unsigned int prev_lineno;
volatile bool die_on_error = false;
query_buf = createPQExpBuffer();
- previous_buf = createPQExpBuffer();
+ previous_buf = createPQExpBuffer();
if (!query_buf || !previous_buf)
{
- psql_error("out of memory\n");
+ psql_error("out of memory\n");
exit(EXIT_FAILURE);
}
in_quote = 0;
paren_level = 0;
slashCmdStatus = CMD_UNKNOWN; /* set default */
- prev_lineno = pset.lineno;
- pset.lineno = 0;
+ prev_lineno = pset.lineno;
+ pset.lineno = 0;
/* main loop to get queries and execute them */
while (1)
{
#ifndef WIN32
- /*
- * Welcome code for Control-C
- */
- if (cancel_pressed)
- {
- if (!pset.cur_cmd_interactive)
- {
- /*
- * You get here if you stopped a script with Ctrl-C and a query
- * cancel was issued. In that case we don't do the longjmp, so
- * the query routine can finish nicely.
- */
- successResult = EXIT_USER;
- break;
- }
-
- cancel_pressed = false;
- }
-
- if (sigsetjmp(main_loop_jmp, 1) != 0)
- {
- /* got here with longjmp */
-
- if (pset.cur_cmd_interactive)
- {
- fputc('\n', stdout);
- resetPQExpBuffer(query_buf);
-
- /* reset parsing state */
- xcomment = false;
- in_quote = 0;
- paren_level = 0;
- count_eof = 0;
- slashCmdStatus = CMD_UNKNOWN;
- }
- else
- {
- successResult = EXIT_USER;
- break;
- }
- }
-#endif /* not WIN32 */
+
+ /*
+ * Welcome code for Control-C
+ */
+ if (cancel_pressed)
+ {
+ if (!pset.cur_cmd_interactive)
+ {
+
+ /*
+ * You get here if you stopped a script with Ctrl-C and a
+ * query cancel was issued. In that case we don't do the
+ * longjmp, so the query routine can finish nicely.
+ */
+ successResult = EXIT_USER;
+ break;
+ }
+
+ cancel_pressed = false;
+ }
+
+ if (sigsetjmp(main_loop_jmp, 1) != 0)
+ {
+ /* got here with longjmp */
+
+ if (pset.cur_cmd_interactive)
+ {
+ fputc('\n', stdout);
+ resetPQExpBuffer(query_buf);
+
+ /* reset parsing state */
+ xcomment = false;
+ in_quote = 0;
+ paren_level = 0;
+ count_eof = 0;
+ slashCmdStatus = CMD_UNKNOWN;
+ }
+ else
+ {
+ successResult = EXIT_USER;
+ break;
+ }
+ }
+#endif /* not WIN32 */
if (slashCmdStatus == CMD_NEWEDIT)
{
+
/*
* just returned from editing the line? then just copy to the
* input buffer
xcomment = false;
in_quote = 0;
paren_level = 0;
- slashCmdStatus = CMD_UNKNOWN;
+ slashCmdStatus = CMD_UNKNOWN;
}
else
{
- fflush(stdout);
+ fflush(stdout);
+
/*
* otherwise, set interactive prompt if necessary and get
* another line
prompt_status = PROMPT_DOUBLEQUOTE;
else if (xcomment)
prompt_status = PROMPT_COMMENT;
- else if (paren_level)
- prompt_status = PROMPT_PAREN;
+ else if (paren_level)
+ prompt_status = PROMPT_PAREN;
else if (query_buf->len > 0)
prompt_status = PROMPT_CONTINUE;
else
if (line == NULL)
{
if (pset.cur_cmd_interactive)
- {
- bool getout = true;
-
- /* This tries to mimic bash's IGNOREEOF feature. */
- const char * val = GetVariable(pset.vars, "IGNOREEOF");
- if (val)
- {
- long int maxeof;
- char * endptr;
-
- if (*val == '\0')
- maxeof = 10;
- else
- {
- maxeof = strtol(val, &endptr, 0);
- if (*endptr != '\0') /* string not valid as a number */
- maxeof = 10;
- }
-
- if (count_eof++ != maxeof)
- getout = false; /* not quite there yet */
- }
-
- if (getout)
- {
- if (QUIET())
- putc('\n', stdout);
- else
- puts("\\q");
- break;
- }
- else
- {
- if (!QUIET())
- printf("Use \"\\q\" to leave %s.\n", pset.progname);
- continue;
- }
- }
- else /* not interactive */
- break;
+ {
+ bool getout = true;
+
+ /* This tries to mimic bash's IGNOREEOF feature. */
+ const char *val = GetVariable(pset.vars, "IGNOREEOF");
+
+ if (val)
+ {
+ long int maxeof;
+ char *endptr;
+
+ if (*val == '\0')
+ maxeof = 10;
+ else
+ {
+ maxeof = strtol(val, &endptr, 0);
+ if (*endptr != '\0') /* string not valid as a
+ * number */
+ maxeof = 10;
+ }
+
+ if (count_eof++ != maxeof)
+ getout = false; /* not quite there yet */
+ }
+
+ if (getout)
+ {
+ if (QUIET())
+ putc('\n', stdout);
+ else
+ puts("\\q");
+ break;
+ }
+ else
+ {
+ if (!QUIET())
+ printf("Use \"\\q\" to leave %s.\n", pset.progname);
+ continue;
+ }
+ }
+ else
+/* not interactive */
+ break;
}
- else
- count_eof = 0;
+ else
+ count_eof = 0;
- pset.lineno++;
+ pset.lineno++;
/* strip trailing backslashes, they don't have a clear meaning */
while (1)
}
/* echo back if flag is set */
- var = GetVariable(pset.vars, "ECHO");
- if (!pset.cur_cmd_interactive && var && strcmp(var, "all")==0)
- puts(line);
- fflush(stdout);
+ var = GetVariable(pset.vars, "ECHO");
+ if (!pset.cur_cmd_interactive && var && strcmp(var, "all") == 0)
+ puts(line);
+ fflush(stdout);
len = strlen(line);
query_start = 0;
success = true;
for (i = 0, prevlen = 0, thislen = (len > 0) ? PQmblen(line, pset.encoding) : 0;
- i < len;
- ADVANCE_1)
+ i < len;
+ ADVANCE_1)
{
/* was the previous character a backslash? */
- bool was_bslash = (i > 0 && line[i - prevlen] == '\\');
- if (was_bslash)
- bslash_count++;
- else
- bslash_count = 0;
+ bool was_bslash = (i > 0 && line[i - prevlen] == '\\');
+
+ if (was_bslash)
+ bslash_count++;
+ else
+ bslash_count = 0;
/* in quote? */
if (in_quote)
else if (line[i] == ')' && paren_level > 0)
paren_level--;
- /* colon -> substitute variable */
- /* we need to be on the watch for the '::' operator */
- else if (line[i] == ':' && !was_bslash
- && strspn(line+i+thislen, VALID_VARIABLE_CHARS)>0
- && !(prevlen>0 && line[i-prevlen] == ':')
- )
- {
+ /* colon -> substitute variable */
+ /* we need to be on the watch for the '::' operator */
+ else if (line[i] == ':' && !was_bslash
+ && strspn(line + i + thislen, VALID_VARIABLE_CHARS) > 0
+ && !(prevlen > 0 && line[i - prevlen] == ':')
+ )
+ {
size_t in_length,
out_length;
const char *value;
char *new;
- char after; /* the character after the variable name
- will be temporarily overwritten */
+ char after; /* the character after the
+ * variable name will be
+ * temporarily overwritten */
in_length = strspn(&line[i + thislen], VALID_VARIABLE_CHARS);
after = line[i + thislen + in_length];
line[i + thislen + in_length] = '\0';
- /* if the variable doesn't exist we'll leave the string as is */
+ /*
+ * if the variable doesn't exist we'll leave the string as
+ * is
+ */
value = GetVariable(pset.vars, &line[i + thislen]);
- if (value)
- {
- out_length = strlen(value);
-
- new = malloc(len + out_length - (1 + in_length) + 1);
- if (!new)
- {
- psql_error("out of memory\n");
- exit(EXIT_FAILURE);
- }
-
- sprintf(new, "%.*s%s%c", i, line, value, after);
- if (after)
- strcat(new, line + i + 1 + in_length + 1);
-
- free(line);
- line = new;
- len = strlen(new);
- continue; /* reparse the just substituted */
- }
- else
- {
- /* restore overwritten character */
- line[i + thislen + in_length] = after;
- /* move on ... */
- }
- }
+ if (value)
+ {
+ out_length = strlen(value);
+
+ new = malloc(len + out_length - (1 + in_length) + 1);
+ if (!new)
+ {
+ psql_error("out of memory\n");
+ exit(EXIT_FAILURE);
+ }
+
+ sprintf(new, "%.*s%s%c", i, line, value, after);
+ if (after)
+ strcat(new, line + i + 1 + in_length + 1);
+
+ free(line);
+ line = new;
+ len = strlen(new);
+ continue; /* reparse the just substituted */
+ }
+ else
+ {
+ /* restore overwritten character */
+ line[i + thislen + in_length] = after;
+ /* move on ... */
+ }
+ }
/* semicolon? then send query */
else if (line[i] == ';' && !was_bslash && !paren_level)
/* is there anything else on the line? */
if (line[query_start + strspn(line + query_start, " \t")] != '\0')
{
+
/*
* insert a cosmetic newline, if this is not the first
* line in the buffer
appendPQExpBufferChar(query_buf, '\n');
/* append the line to the query buffer */
appendPQExpBufferStr(query_buf, line + query_start);
- appendPQExpBufferChar(query_buf, ';');
+ appendPQExpBufferChar(query_buf, ';');
}
/* execute query */
success = SendQuery(query_buf->data);
- slashCmdStatus = success ? CMD_SEND : CMD_ERROR;
+ slashCmdStatus = success ? CMD_SEND : CMD_ERROR;
- resetPQExpBuffer(previous_buf);
- appendPQExpBufferStr(previous_buf, query_buf->data);
- resetPQExpBuffer(query_buf);
+ resetPQExpBuffer(previous_buf);
+ appendPQExpBufferStr(previous_buf, query_buf->data);
+ resetPQExpBuffer(query_buf);
query_start = i + thislen;
}
- /* if you have a burning need to send a semicolon or colon to
- the backend ... */
- else if (was_bslash && (line[i] == ';' || line[i] == ':'))
- {
- /* remove the backslash */
- memmove(line + i - prevlen, line + i, len - i + 1);
- len--;
- }
+ /*
+ * if you have a burning need to send a semicolon or colon to
+ * the backend ...
+ */
+ else if (was_bslash && (line[i] == ';' || line[i] == ':'))
+ {
+ /* remove the backslash */
+ memmove(line + i - prevlen, line + i, len - i + 1);
+ len--;
+ }
/* backslash command */
else if (was_bslash)
/* is there anything else on the line for the command? */
if (line[query_start + strspn(line + query_start, " \t")] != '\0')
{
+
/*
* insert a cosmetic newline, if this is not the first
* line in the buffer
appendPQExpBufferStr(query_buf, line + query_start);
}
- /* handle backslash command */
- slashCmdStatus = HandleSlashCmds(&line[i],
- query_buf->len>0 ? query_buf : previous_buf,
- &end_of_cmd);
+ /* handle backslash command */
+ slashCmdStatus = HandleSlashCmds(&line[i],
+ query_buf->len > 0 ? query_buf : previous_buf,
+ &end_of_cmd);
success = slashCmdStatus != CMD_ERROR;
- if ((slashCmdStatus == CMD_SEND || slashCmdStatus == CMD_NEWEDIT) &&
- query_buf->len == 0) {
- /* copy previous buffer to current for for handling */
- appendPQExpBufferStr(query_buf, previous_buf->data);
- }
+ if ((slashCmdStatus == CMD_SEND || slashCmdStatus == CMD_NEWEDIT) &&
+ query_buf->len == 0)
+ {
+ /* copy previous buffer to current for for handling */
+ appendPQExpBufferStr(query_buf, previous_buf->data);
+ }
if (slashCmdStatus == CMD_SEND)
{
success = SendQuery(query_buf->data);
query_start = i + thislen;
- resetPQExpBuffer(previous_buf);
- appendPQExpBufferStr(previous_buf, query_buf->data);
- resetPQExpBuffer(query_buf);
+ resetPQExpBuffer(previous_buf);
+ appendPQExpBufferStr(previous_buf, query_buf->data);
+ resetPQExpBuffer(query_buf);
}
/* process anything left after the backslash command */
- i += end_of_cmd - &line[i];
- query_start = i;
+ i += end_of_cmd - &line[i];
+ query_start = i;
}
- /* stop the script after error */
+ /* stop the script after error */
if (!success && die_on_error)
break;
- } /* for (line) */
+ } /* for (line) */
if (slashCmdStatus == CMD_TERMINATE)
if (query_buf->data[0] != '\0' && GetVariableBool(pset.vars, "SINGLELINE"))
{
success = SendQuery(query_buf->data);
- slashCmdStatus = success ? CMD_SEND : CMD_ERROR;
- resetPQExpBuffer(previous_buf);
- appendPQExpBufferStr(previous_buf, query_buf->data);
- resetPQExpBuffer(query_buf);
+ slashCmdStatus = success ? CMD_SEND : CMD_ERROR;
+ resetPQExpBuffer(previous_buf);
+ appendPQExpBufferStr(previous_buf, query_buf->data);
+ resetPQExpBuffer(query_buf);
}
successResult = EXIT_BADCONN;
break;
}
- } /* while !endoffile/session */
-
- /*
- * Process query at the end of file without a semicolon
- */
- if (query_buf->len > 0 && !pset.cur_cmd_interactive)
- {
- success = SendQuery(query_buf->data);
-
- if (!success && die_on_error)
- successResult = EXIT_USER;
- else if (pset.db == NULL)
- successResult = EXIT_BADCONN;
- }
-
+ } /* while !endoffile/session */
+
+ /*
+ * Process query at the end of file without a semicolon
+ */
+ if (query_buf->len > 0 && !pset.cur_cmd_interactive)
+ {
+ success = SendQuery(query_buf->data);
+
+ if (!success && die_on_error)
+ successResult = EXIT_USER;
+ else if (pset.db == NULL)
+ successResult = EXIT_BADCONN;
+ }
+
destroyPQExpBuffer(query_buf);
destroyPQExpBuffer(previous_buf);
pset.cur_cmd_source = prev_cmd_source;
pset.cur_cmd_interactive = prev_cmd_interactive;
- pset.lineno = prev_lineno;
+ pset.lineno = prev_lineno;
return successResult;
} /* MainLoop() */
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/mainloop.h,v 1.8 2000/02/20 14:28:20 petere Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/mainloop.h,v 1.9 2000/04/12 17:16:22 momjian Exp $
*/
#ifndef MAINLOOP_H
#define MAINLOOP_H
#include <setjmp.h>
extern sigjmp_buf main_loop_jmp;
+
#endif
-int MainLoop(FILE *source);
+int MainLoop(FILE *source);
#endif /* MAINLOOP_H */
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/print.c,v 1.12 2000/02/16 13:15:26 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/print.c,v 1.13 2000/04/12 17:16:22 momjian Exp $
*/
#include "postgres.h"
#include "print.h"
static void
-print_unaligned_text(const char *title, const char * const * headers,
- const char * const * cells, const char * const * footers,
- const char *opt_fieldsep, const char *opt_recordsep, bool opt_barebones,
- FILE *fout)
+print_unaligned_text(const char *title, const char *const * headers,
+ const char *const * cells, const char *const * footers,
+ const char *opt_fieldsep, const char *opt_recordsep, bool opt_barebones,
+ FILE *fout)
{
unsigned int col_count = 0;
unsigned int i;
- const char * const * ptr;
- bool need_recordsep = false;
+ const char *const * ptr;
+ bool need_recordsep = false;
if (!opt_fieldsep)
opt_fieldsep = "";
- if (!opt_recordsep)
- opt_recordsep = "";
+ if (!opt_recordsep)
+ opt_recordsep = "";
/* print title */
if (!opt_barebones && title)
}
}
if (!opt_barebones)
- need_recordsep = true;
+ need_recordsep = true;
/* print cells */
i = 0;
for (ptr = cells; *ptr; ptr++)
{
- if (need_recordsep)
- {
+ if (need_recordsep)
+ {
fputs(opt_recordsep, fout);
- need_recordsep = false;
- }
+ need_recordsep = false;
+ }
fputs(*ptr, fout);
if ((i + 1) % col_count)
fputs(opt_fieldsep, fout);
else
- need_recordsep = true;
+ need_recordsep = true;
i++;
}
if (!opt_barebones && footers)
for (ptr = footers; *ptr; ptr++)
- {
- if (need_recordsep)
- {
- fputs(opt_recordsep, fout);
- need_recordsep = false;
- }
+ {
+ if (need_recordsep)
+ {
+ fputs(opt_recordsep, fout);
+ need_recordsep = false;
+ }
fputs(*ptr, fout);
- need_recordsep = true;
- }
+ need_recordsep = true;
+ }
- /* the last record needs to be concluded with a newline */
- if (need_recordsep)
- fputc('\n', fout);
+ /* the last record needs to be concluded with a newline */
+ if (need_recordsep)
+ fputc('\n', fout);
}
static void
-print_unaligned_vertical(const char *title, const char * const * headers,
- const char * const * cells, const char * const * footers,
- const char *opt_fieldsep, const char *opt_recordsep, bool opt_barebones,
- FILE *fout)
+print_unaligned_vertical(const char *title, const char *const * headers,
+ const char *const * cells, const char *const * footers,
+ const char *opt_fieldsep, const char *opt_recordsep, bool opt_barebones,
+ FILE *fout)
{
unsigned int col_count = 0;
unsigned int i;
- const char * const * ptr;
+ const char *const * ptr;
if (!opt_fieldsep)
opt_fieldsep = "";
- if (!opt_recordsep)
- opt_recordsep = "";
+ if (!opt_recordsep)
+ opt_recordsep = "";
/* print title */
if (!opt_barebones && title)
- fputs(title, fout);
+ fputs(title, fout);
/* count columns */
for (ptr = headers; *ptr; ptr++)
/* print records */
for (i = 0, ptr = cells; *ptr; i++, ptr++)
{
- if (i!=0 || (!opt_barebones && title))
- {
- fputs(opt_recordsep, fout);
- if (i % col_count == 0)
- fputs(opt_recordsep, fout); /* another one */
- }
-
- fputs(headers[i % col_count], fout);
- fputs(opt_fieldsep, fout);
- fputs(*ptr, fout);
+ if (i != 0 || (!opt_barebones && title))
+ {
+ fputs(opt_recordsep, fout);
+ if (i % col_count == 0)
+ fputs(opt_recordsep, fout); /* another one */
+ }
+
+ fputs(headers[i % col_count], fout);
+ fputs(opt_fieldsep, fout);
+ fputs(*ptr, fout);
}
/* print footers */
if (!opt_barebones && footers && *footers)
{
- fputs(opt_recordsep, fout);
+ fputs(opt_recordsep, fout);
for (ptr = footers; *ptr; ptr++)
- {
- fputs(opt_recordsep, fout);
- fputs(*ptr, fout);
- }
+ {
+ fputs(opt_recordsep, fout);
+ fputs(*ptr, fout);
+ }
}
- fputc('\n', fout);
+ fputc('\n', fout);
}
static void
-print_aligned_text(const char *title, const char * const * headers,
- const char * const * cells, const char * const * footers,
- const char *opt_align, bool opt_barebones, unsigned short int opt_border,
- FILE *fout)
+print_aligned_text(const char *title, const char *const * headers,
+ const char *const * cells, const char *const * footers,
+const char *opt_align, bool opt_barebones, unsigned short int opt_border,
+ FILE *fout)
{
unsigned int col_count = 0;
unsigned int i,
tmp;
unsigned int *widths,
total_w;
- const char * const * ptr;
+ const char *const * ptr;
/* count columns */
for (ptr = headers; *ptr; ptr++)
{
/* centered */
fprintf(fout, "%-*s%s%-*s",
- (int) floor((widths[i] - strlen(headers[i])) / 2.0), "",
- headers[i], (int) ceil((widths[i] - strlen(headers[i])) / 2.0), "");
+ (int) floor((widths[i] - strlen(headers[i])) / 2.0), "",
+ headers[i], (int) ceil((widths[i] - strlen(headers[i])) / 2.0), "");
if (i < col_count - 1)
{
static void
-print_aligned_vertical(const char *title, const char * const * headers,
- const char * const * cells, const char * const * footers,
- bool opt_barebones, unsigned short int opt_border,
- FILE *fout)
+print_aligned_vertical(const char *title, const char *const * headers,
+ const char *const * cells, const char *const * footers,
+ bool opt_barebones, unsigned short int opt_border,
+ FILE *fout)
{
unsigned int col_count = 0;
unsigned int record = 1;
- const char * const *ptr;
+ const char *const * ptr;
unsigned int i,
tmp,
hwidth = 0,
dwidth = 0;
char *divider;
- if (cells[0] == NULL) {
- puts("(No rows)\n");
- return;
- }
+ if (cells[0] == NULL)
+ {
+ puts("(No rows)\n");
+ return;
+ }
/* count columns and find longest header */
for (ptr = headers; *ptr; ptr++)
record_str_len = strlen(record_str);
if (record_str_len + opt_border > strlen(divider))
- fprintf(fout, "%.*s%s\n", opt_border, divider, record_str);
- else
- {
- char *div_copy = strdup(divider);
-
- if (!div_copy) {
- perror("malloc");
- exit(EXIT_FAILURE);
- }
-
- strncpy(div_copy + opt_border, record_str, record_str_len);
- fprintf(fout, "%s\n", div_copy);
- free(div_copy);
- }
+ fprintf(fout, "%.*s%s\n", opt_border, divider, record_str);
+ else
+ {
+ char *div_copy = strdup(divider);
+
+ if (!div_copy)
+ {
+ perror("malloc");
+ exit(EXIT_FAILURE);
+ }
+
+ strncpy(div_copy + opt_border, record_str, record_str_len);
+ fprintf(fout, "%s\n", div_copy);
+ free(div_copy);
+ }
free(record_str);
}
else if (i != 0 || opt_border == 2)
static void
-print_html_text(const char *title, const char * const * headers,
- const char * const * cells, const char * const * footers,
- const char *opt_align, bool opt_barebones, unsigned short int opt_border,
- const char *opt_table_attr,
- FILE *fout)
+print_html_text(const char *title, const char *const * headers,
+ const char *const * cells, const char *const * footers,
+const char *opt_align, bool opt_barebones, unsigned short int opt_border,
+ const char *opt_table_attr,
+ FILE *fout)
{
unsigned int col_count = 0;
unsigned int i;
- const char * const *ptr;
+ const char *const * ptr;
fprintf(fout, "<table border=%d", opt_border);
if (opt_table_attr)
static void
-print_html_vertical(const char *title, const char * const * headers,
- const char * const * cells, const char * const * footers,
- const char *opt_align, bool opt_barebones, unsigned short int opt_border,
- const char *opt_table_attr,
+print_html_vertical(const char *title, const char *const * headers,
+ const char *const * cells, const char *const * footers,
+const char *opt_align, bool opt_barebones, unsigned short int opt_border,
+ const char *opt_table_attr,
FILE *fout)
{
unsigned int col_count = 0;
unsigned int i;
unsigned int record = 1;
- const char * const *ptr;
+ const char *const * ptr;
fprintf(fout, "<table border=%d", opt_border);
if (opt_table_attr)
static void
-print_latex_text(const char *title, const char * const * headers,
- const char * const * cells, const char * const * footers,
- const char *opt_align, bool opt_barebones, unsigned short int opt_border,
- FILE *fout)
+print_latex_text(const char *title, const char *const * headers,
+ const char *const * cells, const char *const * footers,
+const char *opt_align, bool opt_barebones, unsigned short int opt_border,
+ FILE *fout)
{
unsigned int col_count = 0;
unsigned int i;
const char *cp;
- const char * const *ptr;
+ const char *const * ptr;
/* print title */
static void
-print_latex_vertical(const char *title, const char * const * headers,
- const char * const * cells, const char * const * footers,
- const char *opt_align, bool opt_barebones, unsigned short int opt_border,
- FILE *fout)
+print_latex_vertical(const char *title, const char *const * headers,
+ const char *const * cells, const char *const * footers,
+const char *opt_align, bool opt_barebones, unsigned short int opt_border,
+ FILE *fout)
{
unsigned int col_count = 0;
unsigned int i;
- const char * const *ptr;
+ const char *const * ptr;
unsigned int record = 1;
(void) opt_align; /* currently unused parameter */
void
printTable(const char *title,
- const char * const * headers,
- const char * const * cells,
- const char * const * footers,
- const char *align,
- const printTableOpt * opt, FILE *fout)
+ const char *const * headers,
+ const char *const * cells,
+ const char *const * footers,
+ const char *align,
+ const printTableOpt *opt, FILE *fout)
{
const char *default_footer[] = {NULL};
unsigned short int border = opt->border;
unsigned int col_count = 0,
row_count = 0,
lines;
- const char * const *ptr;
+ const char *const * ptr;
int result;
struct winsize screen_size;
void
-printQuery(const PGresult *result, const printQueryOpt * opt, FILE *fout)
+printQuery(const PGresult *result, const printQueryOpt *opt, FILE *fout)
{
int nfields;
const char **headers;
const char **cells;
- char **footers;
- char *align;
+ char **footers;
+ char *align;
int i;
/* extract headers */
/* call table printer */
printTable(opt->title, headers, cells,
- footers ? (const char * const *)footers : (const char * const *)(opt->footers),
- align, &opt->topt, fout);
+ footers ? (const char *const *) footers : (const char *const *) (opt->footers),
+ align, &opt->topt, fout);
free(headers);
free(cells);
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/print.h,v 1.7 2000/02/16 13:15:26 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/print.h,v 1.8 2000/04/12 17:16:23 momjian Exp $
*/
#ifndef PRINT_H
#define PRINT_H
unsigned short int border; /* Print a border around the table.
* 0=none, 1=dividing lines, 2=full */
char *fieldSep; /* field separator for unaligned text mode */
- char *recordSep; /* record separator for unaligned text mode */
+ char *recordSep; /* record separator for unaligned text
+ * mode */
char *tableAttr; /* attributes for HTML <table ...> */
-} printTableOpt;
+} printTableOpt;
/*
* - align is an 'l' or an 'r' for every column, if the output format needs it.
* (You must specify this long enough. Otherwise anything could happen.)
*/
-void printTable(const char *title, const char * const * headers,
- const char * const * cells, const char * const * footers,
- const char *align,
- const printTableOpt * opt, FILE *fout);
+void printTable(const char *title, const char *const * headers,
+ const char *const * cells, const char *const * footers,
+ const char *align,
+ const printTableOpt *opt, FILE *fout);
char *title; /* override title */
char **footers; /* override footer (default is "(xx
* rows)") */
-} printQueryOpt;
+} printQueryOpt;
/*
* Use this to print query results
* It calls the printTable above with all the things set straight.
*/
void
-printQuery(const PGresult *result, const printQueryOpt * opt, FILE *fout);
+ printQuery(const PGresult *result, const printQueryOpt *opt, FILE *fout);
#endif /* PRINT_H */
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/prompt.c,v 1.11 2000/03/11 13:56:24 petere Exp $
- */
+ * $Header: /cvsroot/pgsql/src/bin/psql/prompt.c,v 1.12 2000/04/12 17:16:23 momjian Exp $
+ */
#include "postgres.h"
#include "prompt.h"
* (might not be completely multibyte safe)
*
* Defined interpolations are:
- * %M - database server "hostname.domainname" (or "localhost" if this
+ * %M - database server "hostname.domainname" (or "localhost" if this
* information is not available)
- * %m - like %M, but hostname only (before first dot)
+ * %m - like %M, but hostname only (before first dot)
* %> - database server port number
* %n - database user name
* %/ - current database
*/
/*
- * We need hostname information, only if connection is via UNIX socket
+ * We need hostname information, only if connection is via UNIX socket
*/
#if !defined(WIN32) && !defined(__CYGWIN32__) && !defined(__QNX__)
#define DOMAINNAME 1
#define HOSTNAME 2
-/*
- * Return full hostname for localhost.
+/*
+ * Return full hostname for localhost.
* - informations are init only in firts time - not queries DNS or NIS
- * for every localhost() call
+ * for every localhost() call
*/
static char *
-localhost(int type, char *buf, int siz)
-{
- static struct hostent *hp = NULL;
- static int err = 0;
-
- if (hp==NULL && err==0)
- {
- char hname[256];
-
+localhost(int type, char *buf, int siz)
+{
+ static struct hostent *hp = NULL;
+ static int err = 0;
+
+ if (hp == NULL && err == 0)
+ {
+ char hname[256];
+
if (gethostname(hname, 256) == 0)
{
if (!(hp = gethostbyname(hname)))
- err = 1;
+ err = 1;
}
else
- err = 1;
+ err = 1;
}
-
- if (hp==NULL)
+
+ if (hp == NULL)
return strncpy(buf, "localhost", siz);
-
+
strncpy(buf, hp->h_name, siz); /* full aaa.bbb.ccc */
-
- if (type==HOSTNAME)
+
+ if (type == HOSTNAME)
buf[strcspn(buf, ".")] = '\0';
-
- return buf;
+
+ return buf;
}
+
#endif
char *
buf[strcspn(buf, ".")] = '\0';
}
/* UNIX socket */
-#if !defined(WIN32) && !defined(__CYGWIN32__) && !defined(__QNX__)
- else {
- if (*p == 'm')
+#if !defined(WIN32) && !defined(__CYGWIN32__) && !defined(__QNX__)
+ else
+ {
+ if (*p == 'm')
localhost(HOSTNAME, buf, MAX_PROMPT_SIZE);
else
localhost(DOMAINNAME, buf, MAX_PROMPT_SIZE);
}
-#endif
+#endif
}
break;
/* DB server port number */
case '>':
if (pset.db && PQport(pset.db))
- strncpy(buf, PQport(pset.db), MAX_PROMPT_SIZE);
+ strncpy(buf, PQport(pset.db), MAX_PROMPT_SIZE);
break;
/* DB server user name */
case 'n':
case PROMPT_COMMENT:
buf[0] = '*';
break;
- case PROMPT_PAREN:
- buf[0] = '(';
- break;
+ case PROMPT_PAREN:
+ buf[0] = '(';
+ break;
default:
buf[0] = '\0';
break;
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/prompt.h,v 1.7 2000/02/16 13:15:26 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/prompt.h,v 1.8 2000/04/12 17:16:23 momjian Exp $
*/
#ifndef PROMPT_H
#define PROMPT_H
PROMPT_COMMENT,
PROMPT_SINGLEQUOTE,
PROMPT_DOUBLEQUOTE,
- PROMPT_PAREN,
+ PROMPT_PAREN,
PROMPT_COPY
-} promptStatus_t;
+} promptStatus_t;
-char *get_prompt(promptStatus_t status);
+char *get_prompt(promptStatus_t status);
#endif /* PROMPT_H */
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/settings.h,v 1.9 2000/02/16 13:15:26 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/settings.h,v 1.10 2000/04/12 17:16:23 momjian Exp $
*/
#ifndef SETTINGS_H
#define SETTINGS_H
typedef struct _psqlSettings
{
PGconn *db; /* connection to backend */
- int encoding;
+ int encoding;
FILE *queryFout; /* where to send the query results */
bool queryFoutPipe; /* queryFout is from a popen() */
* loop */
bool cur_cmd_interactive;
- char *progname; /* in case you renamed psql */
- char *inputfile; /* for error reporting */
- unsigned lineno; /* also for error reporting */
+ char *progname; /* in case you renamed psql */
+ char *inputfile; /* for error reporting */
+ unsigned lineno; /* also for error reporting */
- bool issuper; /* is the current user a superuser?
- (used to form the prompt) */
+ bool issuper; /* is the current user a superuser? (used
+ * to form the prompt) */
} PsqlSettings;
extern PsqlSettings pset;
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/startup.c,v 1.28 2000/03/18 22:48:29 petere Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/startup.c,v 1.29 2000/04/12 17:16:23 momjian Exp $
*/
#include "postgres.h"
#ifndef WIN32
#include <unistd.h>
-#else /* WIN32 */
+#else /* WIN32 */
#include <io.h>
#include <windows.h>
#include <win32.h>
-#endif /* WIN32 */
+#endif /* WIN32 */
#ifdef HAVE_GETOPT_H
#include <getopt.h>
enum _actions action;
char *action_string;
bool no_readline;
- bool no_psqlrc;
+ bool no_psqlrc;
};
static void
-parse_psql_options(int argc, char *argv[], struct adhoc_opts * options);
+ parse_psql_options(int argc, char *argv[], struct adhoc_opts * options);
static void
-process_psqlrc(void);
+ process_psqlrc(void);
static void
-showVersion(void);
+ showVersion(void);
char *password = NULL;
bool need_pass;
- if (!strrchr(argv[0], SEP_CHAR))
- pset.progname = argv[0];
- else
- pset.progname = strrchr(argv[0], SEP_CHAR) + 1;
+ if (!strrchr(argv[0], SEP_CHAR))
+ pset.progname = argv[0];
+ else
+ pset.progname = strrchr(argv[0], SEP_CHAR) + 1;
pset.cur_cmd_source = stdin;
pset.cur_cmd_interactive = false;
- pset.encoding = PQenv2encoding();
+ pset.encoding = PQenv2encoding();
pset.vars = CreateVariableSpace();
- if (!pset.vars)
- {
- fprintf(stderr, "%s: out of memory\n", pset.progname);
- exit(EXIT_FAILURE);
- }
+ if (!pset.vars)
+ {
+ fprintf(stderr, "%s: out of memory\n", pset.progname);
+ exit(EXIT_FAILURE);
+ }
pset.popt.topt.format = PRINT_ALIGNED;
pset.queryFout = stdout;
pset.popt.topt.border = 1;
pset.popt.topt.pager = true;
- SetVariable(pset.vars, "VERSION", PG_VERSION_STR);
+ SetVariable(pset.vars, "VERSION", PG_VERSION_STR);
pset.notty = (!isatty(fileno(stdin)) || !isatty(fileno(stdout)));
parse_psql_options(argc, argv, &options);
- if (!pset.popt.topt.fieldSep)
- pset.popt.topt.fieldSep = xstrdup(DEFAULT_FIELD_SEP);
- if (!pset.popt.topt.recordSep)
- pset.popt.topt.recordSep = xstrdup(DEFAULT_RECORD_SEP);
+ if (!pset.popt.topt.fieldSep)
+ pset.popt.topt.fieldSep = xstrdup(DEFAULT_FIELD_SEP);
+ if (!pset.popt.topt.recordSep)
+ pset.popt.topt.recordSep = xstrdup(DEFAULT_RECORD_SEP);
if (options.username)
{
- /*
- * The \001 is a hack to support the deprecated -u option which issues
- * a username prompt. The recommended option is -U followed by the name
- * on the command line.
- */
+
+ /*
+ * The \001 is a hack to support the deprecated -u option which
+ * issues a username prompt. The recommended option is -U followed
+ * by the name on the command line.
+ */
if (strcmp(options.username, "\001") == 0)
username = simple_prompt("Username: ", 100, true);
else
{
need_pass = false;
pset.db = PQsetdbLogin(options.host, options.port, NULL, NULL,
- options.action == ACT_LIST_DB ? "template1" : options.dbname,
- username, password);
+ options.action == ACT_LIST_DB ? "template1" : options.dbname,
+ username, password);
if (PQstatus(pset.db) == CONNECTION_BAD &&
strcmp(PQerrorMessage(pset.db), "fe_sendauth: no password supplied\n") == 0)
if (PQstatus(pset.db) == CONNECTION_BAD)
{
- fprintf(stderr, "%s: %s", pset.progname, PQerrorMessage(pset.db));
+ fprintf(stderr, "%s: %s", pset.progname, PQerrorMessage(pset.db));
PQfinish(pset.db);
exit(EXIT_BADCONN);
}
- PQsetNoticeProcessor(pset.db, NoticeProcessor, NULL);
- /*
- * We need to save the encoding because we want to have it
- * available even if the database connection goes bad.
- */
- pset.encoding = PQclientEncoding(pset.db);
+ PQsetNoticeProcessor(pset.db, NoticeProcessor, NULL);
+
+ /*
+ * We need to save the encoding because we want to have it available
+ * even if the database connection goes bad.
+ */
+ pset.encoding = PQclientEncoding(pset.db);
if (options.action == ACT_LIST_DB)
{
exit(success ? EXIT_SUCCESS : EXIT_FAILURE);
}
- SetVariable(pset.vars, "DBNAME", PQdb(pset.db));
- SetVariable(pset.vars, "USER", PQuser(pset.db));
- SetVariable(pset.vars, "HOST", PQhost(pset.db));
- SetVariable(pset.vars, "PORT", PQport(pset.db));
- SetVariable(pset.vars, "ENCODING", pg_encoding_to_char(pset.encoding));
+ SetVariable(pset.vars, "DBNAME", PQdb(pset.db));
+ SetVariable(pset.vars, "USER", PQuser(pset.db));
+ SetVariable(pset.vars, "HOST", PQhost(pset.db));
+ SetVariable(pset.vars, "PORT", PQport(pset.db));
+ SetVariable(pset.vars, "ENCODING", pg_encoding_to_char(pset.encoding));
#ifndef WIN32
pqsignal(SIGINT, handle_sigint); /* control-C => cancel */
#endif
/*
- * Now find something to do
- */
+ * Now find something to do
+ */
/*
- * process file given by -f
- */
+ * process file given by -f
+ */
if (options.action == ACT_FILE)
- {
- if (!options.no_psqlrc)
- process_psqlrc();
+ {
+ if (!options.no_psqlrc)
+ process_psqlrc();
successResult = process_file(options.action_string);
- }
+ }
+
/*
- * process slash command if one was given to -c
- */
+ * process slash command if one was given to -c
+ */
else if (options.action == ACT_SINGLE_SLASH)
- {
- const char * value;
+ {
+ const char *value;
- if ((value = GetVariable(pset.vars, "ECHO")) && strcmp(value, "all")==0)
- puts(options.action_string);
+ if ((value = GetVariable(pset.vars, "ECHO")) && strcmp(value, "all") == 0)
+ puts(options.action_string);
successResult = HandleSlashCmds(options.action_string, NULL, NULL) != CMD_ERROR
- ? EXIT_SUCCESS : EXIT_FAILURE;
- }
+ ? EXIT_SUCCESS : EXIT_FAILURE;
+ }
+
/*
- * If the query given to -c was a normal one, send it
- */
+ * If the query given to -c was a normal one, send it
+ */
else if (options.action == ACT_SINGLE_QUERY)
- {
- const char * value;
+ {
+ const char *value;
- if ((value = GetVariable(pset.vars, "ECHO")) && strcmp(value, "all")==0)
- puts(options.action_string);
+ if ((value = GetVariable(pset.vars, "ECHO")) && strcmp(value, "all") == 0)
+ puts(options.action_string);
successResult = SendQuery(options.action_string)
- ? EXIT_SUCCESS : EXIT_FAILURE;
- }
+ ? EXIT_SUCCESS : EXIT_FAILURE;
+ }
+
/*
- * or otherwise enter interactive main loop
- */
+ * or otherwise enter interactive main loop
+ */
else
- {
- pset.issuper = test_superuser(PQuser(pset.db));
- if (!QUIET() && !pset.notty)
- {
- printf("Welcome to %s, the PostgreSQL interactive terminal.\n\n"
- "Type: \\copyright for distribution terms\n"
- " \\h for help with SQL commands\n"
- " \\? for help on internal slash commands\n"
- " \\g or terminate with semicolon to execute query\n"
- " \\q to quit\n\n", pset.progname);
- }
-
- SetVariable(pset.vars, "PROMPT1", DEFAULT_PROMPT1);
- SetVariable(pset.vars, "PROMPT2", DEFAULT_PROMPT2);
- SetVariable(pset.vars, "PROMPT3", DEFAULT_PROMPT3);
- if (!options.no_psqlrc)
- process_psqlrc();
- if (!pset.notty)
- initializeInput(options.no_readline ? 0 : 1);
+ {
+ pset.issuper = test_superuser(PQuser(pset.db));
+ if (!QUIET() && !pset.notty)
+ {
+ printf("Welcome to %s, the PostgreSQL interactive terminal.\n\n"
+ "Type: \\copyright for distribution terms\n"
+ " \\h for help with SQL commands\n"
+ " \\? for help on internal slash commands\n"
+ " \\g or terminate with semicolon to execute query\n"
+ " \\q to quit\n\n", pset.progname);
+ }
+
+ SetVariable(pset.vars, "PROMPT1", DEFAULT_PROMPT1);
+ SetVariable(pset.vars, "PROMPT2", DEFAULT_PROMPT2);
+ SetVariable(pset.vars, "PROMPT3", DEFAULT_PROMPT3);
+ if (!options.no_psqlrc)
+ process_psqlrc();
+ if (!pset.notty)
+ initializeInput(options.no_readline ? 0 : 1);
successResult = MainLoop(stdin);
- }
+ }
/* clean up */
PQfinish(pset.db);
#ifdef WIN32
/* getopt is not in the standard includes on Win32 */
int getopt(int, char *const[], const char *);
+
/* And it requires progname to be set */
-char *__progname = "psql";
+char *__progname = "psql";
+
#endif
static void
{
#ifdef HAVE_GETOPT_LONG
static struct option long_options[] =
- {
- {"echo-all", no_argument, NULL, 'a'},
+ {
+ {"echo-all", no_argument, NULL, 'a'},
{"no-align", no_argument, NULL, 'A'},
{"command", required_argument, NULL, 'c'},
{"dbname", required_argument, NULL, 'd'},
{"port", required_argument, NULL, 'p'},
{"pset", required_argument, NULL, 'P'},
{"quiet", no_argument, NULL, 'q'},
- {"record-separator", required_argument, NULL, 'R'},
+ {"record-separator", required_argument, NULL, 'R'},
{"single-step", no_argument, NULL, 's'},
{"single-line", no_argument, NULL, 'S'},
{"tuples-only", no_argument, NULL, 't'},
{"version", no_argument, NULL, 'V'},
{"password", no_argument, NULL, 'W'},
{"expanded", no_argument, NULL, 'x'},
- {"no-psqlrc", no_argument, NULL, 'X'},
+ {"no-psqlrc", no_argument, NULL, 'X'},
{"help", no_argument, NULL, '?'},
};
int optindex;
-#endif /* HAVE_GETOPT_LONG */
+
+#endif /* HAVE_GETOPT_LONG */
extern char *optarg;
extern int optind;
int c;
- bool used_old_u_option = false;
+ bool used_old_u_option = false;
memset(options, 0, sizeof *options);
#ifdef HAVE_GETOPT_LONG
while ((c = getopt_long(argc, argv, "aAc:d:eEf:F:lh:Hno:p:P:qRsStT:uU:v:VWxX?", long_options, &optindex)) != -1)
-#else /* not HAVE_GETOPT_LONG */
+#else /* not HAVE_GETOPT_LONG */
+
/*
* Be sure to leave the '-' in here, so we can catch accidental long
* options.
*/
while ((c = getopt(argc, argv, "aAc:d:eEf:F:lh:Hno:p:P:qRsStT:uU:v:VWxX?-")) != -1)
-#endif /* not HAVE_GETOPT_LONG */
+#endif /* not HAVE_GETOPT_LONG */
{
switch (c)
{
case 'q':
SetVariableBool(pset.vars, "QUIET");
break;
- case 'R':
- pset.popt.topt.recordSep = xstrdup(optarg);
- break;
+ case 'R':
+ pset.popt.topt.recordSep = xstrdup(optarg);
+ break;
case 's':
SetVariableBool(pset.vars, "SINGLESTEP");
break;
break;
case 'u':
pset.getPassword = true;
- options->username = "\001"; /* hopefully nobody has that username */
- /* this option is out */
- used_old_u_option = true;
+ options->username = "\001"; /* hopefully nobody has
+ * that username */
+ /* this option is out */
+ used_old_u_option = true;
break;
case 'U':
options->username = optarg;
if (!DeleteVariable(pset.vars, value))
{
fprintf(stderr, "%s: could not delete variable %s\n",
- pset.progname, value);
+ pset.progname, value);
exit(EXIT_FAILURE);
}
}
if (!SetVariable(pset.vars, value, equal_loc + 1))
{
fprintf(stderr, "%s: could not set variable %s\n",
- pset.progname, value);
+ pset.progname, value);
exit(EXIT_FAILURE);
}
}
case 'x':
pset.popt.topt.expanded = true;
break;
- case 'X':
- options->no_psqlrc = true;
- break;
+ case 'X':
+ options->no_psqlrc = true;
+ break;
case '?':
- /* Actual help option given */
- if (strcmp(argv[optind-1], "-?")==0 || strcmp(argv[optind-1], "--help")==0)
- {
- usage();
- exit(EXIT_SUCCESS);
- }
- /* unknown option reported by getopt */
- else
- {
- fputs("Try -? for help.\n", stderr);
- exit(EXIT_FAILURE);
- }
+ /* Actual help option given */
+ if (strcmp(argv[optind - 1], "-?") == 0 || strcmp(argv[optind - 1], "--help") == 0)
+ {
+ usage();
+ exit(EXIT_SUCCESS);
+ }
+ /* unknown option reported by getopt */
+ else
+ {
+ fputs("Try -? for help.\n", stderr);
+ exit(EXIT_FAILURE);
+ }
break;
#ifndef HAVE_GETOPT_LONG
case '-':
options->username = argv[optind];
else if (!QUIET())
fprintf(stderr, "%s: warning: extra option %s ignored\n",
- pset.progname, argv[optind]);
+ pset.progname, argv[optind]);
optind++;
}
- if (used_old_u_option && !QUIET())
- fprintf(stderr, "%s: Warning: The -u option is deprecated. Use -U.\n", pset.progname);
+ if (used_old_u_option && !QUIET())
+ fprintf(stderr, "%s: Warning: The -u option is deprecated. Use -U.\n", pset.progname);
}
psqlrc = malloc(strlen(home) + 20);
if (!psqlrc)
{
- fprintf(stderr, "%s: out of memory\n", pset.progname);
+ fprintf(stderr, "%s: out of memory\n", pset.progname);
exit(EXIT_FAILURE);
}
static void
showVersion(void)
{
- puts("psql (PostgreSQL) " PG_RELEASE "." PG_VERSION "." PG_SUBVERSION);
+ puts("psql (PostgreSQL) " PG_RELEASE "." PG_VERSION "." PG_SUBVERSION);
#if defined(USE_READLINE) || defined (USE_HISTORY) || defined(MULTIBYTE)
- fputs("contains ", stdout);
+ fputs("contains ", stdout);
#ifdef USE_READLINE
- fputs("readline", stdout);
+ fputs("readline", stdout);
#define _Feature
#endif
#ifdef USE_HISTORY
#ifdef _Feature
- fputs(", ", stdout);
+ fputs(", ", stdout);
#else
#define _Feature
#endif
- fputs("history", stdout);
+ fputs("history", stdout);
#endif
#ifdef MULTIBYTE
#ifdef _Feature
- fputs(", ", stdout);
+ fputs(", ", stdout);
#else
#define _Feature
#endif
- fputs("multibyte", stdout);
+ fputs("multibyte", stdout);
#endif
-
+
#undef _Feature
- puts(" support");
+ puts(" support");
#endif
- puts("Portions Copyright (c) 1996-2000, PostgreSQL, Inc");
- puts("Portions Copyright (c) 1996 Regents of the University of California");
- puts("Read the file COPYRIGHT or use the command \\copyright to see the");
- puts("usage and distribution terms.");
+ puts("Portions Copyright (c) 1996-2000, PostgreSQL, Inc");
+ puts("Portions Copyright (c) 1996 Regents of the University of California");
+ puts("Read the file COPYRIGHT or use the command \\copyright to see the");
+ puts("usage and distribution terms.");
}
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/stringutils.c,v 1.25 2000/02/16 13:15:26 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/stringutils.c,v 1.26 2000/04/12 17:16:23 momjian Exp $
*/
#include "postgres.h"
#include "stringutils.h"
char *cp = NULL;
#ifndef MULTIBYTE
- (void)encoding; /*not used*/
+ (void) encoding; /* not used */
#endif
if (s)
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/tab-complete.c,v 1.16 2000/03/17 05:29:06 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/tab-complete.c,v 1.17 2000/04/12 17:16:23 momjian Exp $
*/
/*-----------
BUGS:
* If you split your queries across lines, this whole things gets confused.
- (To fix this, one would have to read psql's query buffer rather than
- readline's line buffer, which would require some major revisions of
- things.)
+ (To fix this, one would have to read psql's query buffer rather than
+ readline's line buffer, which would require some major revisions of
+ things.)
* Table or attribute names with spaces in it will equally confuse it.
* Quotes, parenthesis, and other funny characters are not handled all that
- gracefully.
+ gracefully.
-------------*/
#include "postgres.h"
/* If we don't have this, we might as well forget about the whole thing: */
#ifdef USE_READLINE
-#include <ctype.h> /* toupper */
+#include <ctype.h> /* toupper */
#ifdef USE_ASSERT_CHECKING
#include <assert.h>
#endif
#include "settings.h"
#if defined(HAVE_FILENAME_COMPLETION_FUNCTION) && !defined(HAVE_FILENAME_COMPLETION_FUNCTION_DECL)
-char * filename_completion_function (char *, int);
+char *filename_completion_function(char *, int);
+
#endif
#define BUF_SIZE 2048
-#define ERROR_QUERY_TOO_LONG /* empty */
+#define ERROR_QUERY_TOO_LONG /* empty */
/* Forward declaration of functions */
-static char ** psql_completion(char *text, int start, int end);
-static char * create_command_generator(char *text, int state);
-static char * complete_from_query(char *text, int state);
-static char * complete_from_const(char *text, int state);
-static char * complete_from_list(char *text, int state);
-
-static PGresult * exec_query(char * query);
-char * quote_file_name(char *text, int match_type, char * quote_pointer);
+static char **psql_completion(char *text, int start, int end);
+static char *create_command_generator(char *text, int state);
+static char *complete_from_query(char *text, int state);
+static char *complete_from_const(char *text, int state);
+static char *complete_from_list(char *text, int state);
+
+static PGresult *exec_query(char *query);
+char *quote_file_name(char *text, int match_type, char *quote_pointer);
+
/*static char * dequote_file_name(char *text, char quote_char);*/
-static char * previous_word(int point, int skip);
+static char *previous_word(int point, int skip);
/* These variables are used to pass information into the completion functions.
Realizing that this is the cardinal sin of programming, I don't see a better
way. */
-char * completion_charp; /* if you need to pass a string */
-char ** completion_charpp; /* if you need to pass a list of strings */
-char * completion_info_charp; /* if you need to pass another string */
+char *completion_charp; /* if you need to pass a string */
+char **completion_charpp; /* if you need to pass a list of strings */
+char *completion_info_charp; /* if you need to pass another
+ * string */
/* Store how many records from a database query we want to return at most
(implemented via SELECT ... LIMIT xx). */
-static int completion_max_records;
+static int completion_max_records;
/* Initialize the readline library for our purposes. */
-void initialize_readline(void)
+void
+initialize_readline(void)
{
- rl_readline_name = pset.progname;
- rl_attempted_completion_function = psql_completion;
+ rl_readline_name = pset.progname;
+ rl_attempted_completion_function = psql_completion;
+
+ rl_special_prefixes = "()'";
+ rl_basic_word_break_characters = "\t\n\"'`@$><=;|&{ ";
- rl_special_prefixes = "()'";
- rl_basic_word_break_characters = "\t\n\"'`@$><=;|&{ ";
+ completion_max_records = 100;
- completion_max_records = 100;
- /* There is a variable rl_completion_query_items for this but apparently
- it's not defined everywhere. */
+ /*
+ * There is a variable rl_completion_query_items for this but
+ * apparently it's not defined everywhere.
+ */
}
If you change the order here or insert things, make sure to also adjust the
referencing macros below.
*/
-typedef struct {
- char * name;
- char * query;
+typedef struct
+{
+ char *name;
+ char *query;
} pgsql_thing_t;
pgsql_thing_t words_after_create[] = {
- { "AGGREGATE", "SELECT distinct aggname FROM pg_aggregate WHERE substr(aggname,1,%d)='%s'" },
- { "DATABASE", "SELECT datname FROM pg_database WHERE substr(datname,1,%d)='%s'" },
- { "FUNCTION", "SELECT distinct proname FROM pg_proc WHERE substr(proname,1,%d)='%s'" },
- { "INDEX", "SELECT relname FROM pg_class WHERE relkind='i' and substr(relname,1,%d)='%s'" },
- { "OPERATOR", NULL }, /* Querying for this is probably not such a good idea. */
- { "RULE", "SELECT rulename FROM pg_rules WHERE substr(rulename,1,%d)='%s'" },
- { "SEQUENCE", "SELECT relname FROM pg_class WHERE relkind='S' and substr(relname,1,%d)='%s'" },
- { "TABLE", "SELECT relname FROM pg_class WHERE relkind='r' and substr(relname,1,%d)='%s'" },
- { "TEMP", NULL }, /* for CREATE TEMP TABLE ... */
- { "TRIGGER", "SELECT tgname FROM pg_trigger WHERE substr(tgname,1,%d)='%s'" },
- { "TYPE", "SELECT typname FROM pg_type WHERE substr(typname,1,%d)='%s'" },
- { "UNIQUE", NULL }, /* for CREATE UNIQUE INDEX ... */
- { "USER", "SELECT usename FROM pg_user WHERE substr(usename,1,%d)='%s'" },
- { "VIEW", "SELECT viewname FROM pg_views WHERE substr(viewname,1,%d)='%s'" },
- { NULL, NULL } /* end of list */
+ {"AGGREGATE", "SELECT distinct aggname FROM pg_aggregate WHERE substr(aggname,1,%d)='%s'"},
+ {"DATABASE", "SELECT datname FROM pg_database WHERE substr(datname,1,%d)='%s'"},
+ {"FUNCTION", "SELECT distinct proname FROM pg_proc WHERE substr(proname,1,%d)='%s'"},
+ {"INDEX", "SELECT relname FROM pg_class WHERE relkind='i' and substr(relname,1,%d)='%s'"},
+ {"OPERATOR", NULL}, /* Querying for this is probably not such
+ * a good idea. */
+ {"RULE", "SELECT rulename FROM pg_rules WHERE substr(rulename,1,%d)='%s'"},
+ {"SEQUENCE", "SELECT relname FROM pg_class WHERE relkind='S' and substr(relname,1,%d)='%s'"},
+ {"TABLE", "SELECT relname FROM pg_class WHERE relkind='r' and substr(relname,1,%d)='%s'"},
+ {"TEMP", NULL}, /* for CREATE TEMP TABLE ... */
+ {"TRIGGER", "SELECT tgname FROM pg_trigger WHERE substr(tgname,1,%d)='%s'"},
+ {"TYPE", "SELECT typname FROM pg_type WHERE substr(typname,1,%d)='%s'"},
+ {"UNIQUE", NULL}, /* for CREATE UNIQUE INDEX ... */
+ {"USER", "SELECT usename FROM pg_user WHERE substr(usename,1,%d)='%s'"},
+ {"VIEW", "SELECT viewname FROM pg_views WHERE substr(viewname,1,%d)='%s'"},
+ {NULL, NULL} /* end of list */
};
is some partially obscure list format that can be generated by the readline
libraries completion_matches() function, so we don't have to worry about it.
*/
-char ** psql_completion(char *text, int start, int end)
+char **
+psql_completion(char *text, int start, int end)
{
- /* This is the variable we'll return. */
- char **matches = NULL;
- /* These are going to contain some scannage of the input line. */
- char *prev_wd, *prev2_wd, *prev3_wd, *prev4_wd;
-
- static char * sql_commands[] = {
- "ABORT", "ALTER", "BEGIN", "CLOSE", "CLUSTER", "COMMIT", "COPY",
- "CREATE", "DECLARE", "DELETE", "DROP", "EXPLAIN", "FETCH", "GRANT",
- "INSERT", "LISTEN", "LOAD", "LOCK", "MOVE", "NOTIFY", "RESET",
- "REVOKE", "ROLLBACK", "SELECT", "SET", "SHOW", "UNLISTEN", "UPDATE",
- "VACUUM", NULL
- };
-
- static char * pgsql_variables[] = {
+ /* This is the variable we'll return. */
+ char **matches = NULL;
+
+ /* These are going to contain some scannage of the input line. */
+ char *prev_wd,
+ *prev2_wd,
+ *prev3_wd,
+ *prev4_wd;
+
+ static char *sql_commands[] = {
+ "ABORT", "ALTER", "BEGIN", "CLOSE", "CLUSTER", "COMMIT", "COPY",
+ "CREATE", "DECLARE", "DELETE", "DROP", "EXPLAIN", "FETCH", "GRANT",
+ "INSERT", "LISTEN", "LOAD", "LOCK", "MOVE", "NOTIFY", "RESET",
+ "REVOKE", "ROLLBACK", "SELECT", "SET", "SHOW", "UNLISTEN", "UPDATE",
+ "VACUUM", NULL
+ };
+
+ static char *pgsql_variables[] = {
/* these SET arguments are known in gram.y */
"TRANSACTION ISOLATION LEVEL",
"NAMES",
"max_expr_depth",
"XactIsoLevel",
"PG_Options",
- NULL
- };
+ NULL
+ };
- static char * backslash_commands[] = {
- "\\connect", "\\copy", "\\d", "\\di", "\\di", "\\ds", "\\dS", "\\dv",
- "\\da", "\\df", "\\do", "\\dt", "\\e", "\\echo", "\\encoding",
- "\\g", "\\h", "\\i", "\\l",
- "\\lo_import", "\\lo_export", "\\lo_list", "\\lo_unlink",
- "\\o", "\\p", "\\pset", "\\q", "\\qecho", "\\r", "\\set", "\\t", "\\unset",
- "\\x", "\\w", "\\z", "\\!", NULL
- };
+ static char *backslash_commands[] = {
+ "\\connect", "\\copy", "\\d", "\\di", "\\di", "\\ds", "\\dS", "\\dv",
+ "\\da", "\\df", "\\do", "\\dt", "\\e", "\\echo", "\\encoding",
+ "\\g", "\\h", "\\i", "\\l",
+ "\\lo_import", "\\lo_export", "\\lo_list", "\\lo_unlink",
+ "\\o", "\\p", "\\pset", "\\q", "\\qecho", "\\r", "\\set", "\\t", "\\unset",
+ "\\x", "\\w", "\\z", "\\!", NULL
+ };
- (void)end; /* not used */
+ (void) end; /* not used */
#ifdef HAVE_RL_COMPLETION_APPEND_CHARACTER
- rl_completion_append_character = ' ';
+ rl_completion_append_character = ' ';
#endif
- /* Clear a few things. */
- completion_charp = NULL;
- completion_charpp = NULL;
- completion_info_charp = NULL;
-
- /* Scan the input line before our current position for the last four words.
- According to those we'll make some smart decisions on what the user is
- probably intending to type.
- TODO: Use strtokx() to do this.
- */
- prev_wd = previous_word(start,0);
- prev2_wd = previous_word(start,1);
- prev3_wd = previous_word(start,2);
- prev4_wd = previous_word(start,3);
-
- /* If a backslash command was started, continue */
- if (text[0]=='\\')
- COMPLETE_WITH_LIST(backslash_commands);
-
- /* If no previous word, suggest one of the basic sql commands */
- else if (!prev_wd)
- COMPLETE_WITH_LIST(sql_commands);
+ /* Clear a few things. */
+ completion_charp = NULL;
+ completion_charpp = NULL;
+ completion_info_charp = NULL;
+
+ /*
+ * Scan the input line before our current position for the last four
+ * words. According to those we'll make some smart decisions on what
+ * the user is probably intending to type. TODO: Use strtokx() to do
+ * this.
+ */
+ prev_wd = previous_word(start, 0);
+ prev2_wd = previous_word(start, 1);
+ prev3_wd = previous_word(start, 2);
+ prev4_wd = previous_word(start, 3);
+
+ /* If a backslash command was started, continue */
+ if (text[0] == '\\')
+ COMPLETE_WITH_LIST(backslash_commands);
+
+ /* If no previous word, suggest one of the basic sql commands */
+ else if (!prev_wd)
+ COMPLETE_WITH_LIST(sql_commands);
/* CREATE or DROP */
- /* complete with something you can create or drop */
- else if( strcasecmp(prev_wd, "CREATE") == 0 || strcasecmp(prev_wd, "DROP") == 0 )
- matches = completion_matches(text, create_command_generator);
+ /* complete with something you can create or drop */
+ else if (strcasecmp(prev_wd, "CREATE") == 0 || strcasecmp(prev_wd, "DROP") == 0)
+ matches = completion_matches(text, create_command_generator);
/* ALTER */
- /* complete with what you can alter (TABLE or USER) */
- else if( strcasecmp(prev_wd, "ALTER") == 0 ) {
- char * list_ALTER[] = { "TABLE", "USER", NULL };
- COMPLETE_WITH_LIST(list_ALTER);
- }
- /* If we detect ALTER TABLE <name>, suggest either "ADD" or "RENAME" */
- else if( strcasecmp(prev3_wd, "ALTER")==0 && strcasecmp(prev2_wd, "TABLE")==0 ) {
- char * list_ALTER2[] = { "ADD", "RENAME", NULL };
- COMPLETE_WITH_LIST(list_ALTER2);
- }
- /* If we have TABLE <sth> ADD|RENAME, provide list of columns */
- else if( strcasecmp(prev3_wd, "TABLE")==0 &&
- (strcasecmp(prev_wd,"ADD")==0 || strcasecmp(prev_wd,"RENAME")==0) )
- COMPLETE_WITH_ATTR(prev2_wd);
+ /* complete with what you can alter (TABLE or USER) */
+ else if (strcasecmp(prev_wd, "ALTER") == 0)
+ {
+ char *list_ALTER[] = {"TABLE", "USER", NULL};
+
+ COMPLETE_WITH_LIST(list_ALTER);
+ }
+ /* If we detect ALTER TABLE <name>, suggest either "ADD" or "RENAME" */
+ else if (strcasecmp(prev3_wd, "ALTER") == 0 && strcasecmp(prev2_wd, "TABLE") == 0)
+ {
+ char *list_ALTER2[] = {"ADD", "RENAME", NULL};
+
+ COMPLETE_WITH_LIST(list_ALTER2);
+ }
+ /* If we have TABLE <sth> ADD|RENAME, provide list of columns */
+ else if (strcasecmp(prev3_wd, "TABLE") == 0 &&
+ (strcasecmp(prev_wd, "ADD") == 0 || strcasecmp(prev_wd, "RENAME") == 0))
+ COMPLETE_WITH_ATTR(prev2_wd);
/* CLUSTER */
- /* If the previous word is CLUSTER, produce list of indexes. */
- else if( strcasecmp(prev_wd, "CLUSTER") == 0 )
- COMPLETE_WITH_QUERY(Query_for_list_of_indexes);
- /* If we have CLUSTER <sth>, then add "ON" */
- else if( strcasecmp(prev2_wd, "CLUSTER") == 0 )
- COMPLETE_WITH_CONST("ON");
- /* If we have CLUSTER <sth> ON, then add the correct tablename as well. */
- else if ( strcasecmp(prev3_wd, "CLUSTER")==0 && strcasecmp(prev_wd, "ON")==0 ) {
- char query_buffer[BUF_SIZE]; /* Some room to build queries. */
- if(snprintf(query_buffer, BUF_SIZE,
- "SELECT c1.relname FROM pg_class c1, pg_class c2, pg_index i WHERE c1.oid=i.indrelid and i.indexrelid=c2.oid and c2.relname='%s'",
- prev2_wd) == -1)
- ERROR_QUERY_TOO_LONG;
- else
- COMPLETE_WITH_QUERY(query_buffer);
- }
+ /* If the previous word is CLUSTER, produce list of indexes. */
+ else if (strcasecmp(prev_wd, "CLUSTER") == 0)
+ COMPLETE_WITH_QUERY(Query_for_list_of_indexes);
+ /* If we have CLUSTER <sth>, then add "ON" */
+ else if (strcasecmp(prev2_wd, "CLUSTER") == 0)
+ COMPLETE_WITH_CONST("ON");
+
+ /*
+ * If we have CLUSTER <sth> ON, then add the correct tablename as
+ * well.
+ */
+ else if (strcasecmp(prev3_wd, "CLUSTER") == 0 && strcasecmp(prev_wd, "ON") == 0)
+ {
+ char query_buffer[BUF_SIZE]; /* Some room to build
+ * queries. */
+
+ if (snprintf(query_buffer, BUF_SIZE,
+ "SELECT c1.relname FROM pg_class c1, pg_class c2, pg_index i WHERE c1.oid=i.indrelid and i.indexrelid=c2.oid and c2.relname='%s'",
+ prev2_wd) == -1)
+ ERROR_QUERY_TOO_LONG;
+ else
+ COMPLETE_WITH_QUERY(query_buffer);
+ }
/* COPY */
- /* If we have COPY [BINARY] (which you'd have to type yourself), offer list of tables
- (Also cover the analogous backslash command) */
- else if( strcasecmp(prev_wd, "COPY")==0 ||
- strcasecmp(prev_wd, "\\copy")==0 ||
- (strcasecmp(prev2_wd,"COPY")==0 && strcasecmp(prev_wd,"BINARY")==0) )
- COMPLETE_WITH_QUERY(Query_for_list_of_tables);
- /* If we have COPY|BINARY <sth>, complete it with "TO" or "FROM" */
- else if( strcasecmp(prev2_wd, "COPY")==0 ||
- strcasecmp(prev2_wd, "\\copy")==0 ||
- strcasecmp(prev2_wd, "BINARY")==0 ) {
- char * list_FROMTO[] = { "FROM", "TO", NULL };
- COMPLETE_WITH_LIST(list_FROMTO);
- }
+
+ /*
+ * If we have COPY [BINARY] (which you'd have to type yourself), offer
+ * list of tables (Also cover the analogous backslash command)
+ */
+ else if (strcasecmp(prev_wd, "COPY") == 0 ||
+ strcasecmp(prev_wd, "\\copy") == 0 ||
+ (strcasecmp(prev2_wd, "COPY") == 0 && strcasecmp(prev_wd, "BINARY") == 0))
+ COMPLETE_WITH_QUERY(Query_for_list_of_tables);
+ /* If we have COPY|BINARY <sth>, complete it with "TO" or "FROM" */
+ else if (strcasecmp(prev2_wd, "COPY") == 0 ||
+ strcasecmp(prev2_wd, "\\copy") == 0 ||
+ strcasecmp(prev2_wd, "BINARY") == 0)
+ {
+ char *list_FROMTO[] = {"FROM", "TO", NULL};
+
+ COMPLETE_WITH_LIST(list_FROMTO);
+ }
/* CREATE INDEX */
- /* First off we complete CREATE UNIQUE with "INDEX" */
- else if( strcasecmp(prev2_wd, "CREATE")==0 && strcasecmp(prev_wd, "UNIQUE")==0 )
- COMPLETE_WITH_CONST("INDEX");
- /* If we have CREATE|UNIQUE INDEX <sth>, then add "ON" */
- else if( strcasecmp(prev2_wd, "INDEX") == 0 &&
- (strcasecmp(prev3_wd,"CREATE")==0 || strcasecmp(prev3_wd,"UNIQUE")==0) )
- COMPLETE_WITH_CONST("ON");
- /* Complete ... INDEX <name> ON with a list of tables */
- else if( (strcasecmp(prev3_wd, "INDEX")==0 && strcasecmp(prev_wd, "ON")==0) || (0) )
- COMPLETE_WITH_QUERY(Query_for_list_of_tables);
- /* Complete INDEX <name> ON <table> with a list of table columns (which should really be in parens) */
- else if( (strcasecmp(prev4_wd, "INDEX")==0 && strcasecmp(prev2_wd, "ON")==0) )
- COMPLETE_WITH_ATTR(prev_wd);
- /* same if you put in USING */
- else if ((strcasecmp(prev4_wd,"ON")==0 && strcasecmp(prev2_wd,"USING")==0) )
- COMPLETE_WITH_ATTR(prev3_wd);
- /* Complete USING with an index method */
- else if( strcasecmp(prev_wd, "USING")==0 ) {
- char * index_mth[] = { "BTREE", "RTREE", "HASH", NULL };
- COMPLETE_WITH_LIST(index_mth);
- }
-
+ /* First off we complete CREATE UNIQUE with "INDEX" */
+ else if (strcasecmp(prev2_wd, "CREATE") == 0 && strcasecmp(prev_wd, "UNIQUE") == 0)
+ COMPLETE_WITH_CONST("INDEX");
+ /* If we have CREATE|UNIQUE INDEX <sth>, then add "ON" */
+ else if (strcasecmp(prev2_wd, "INDEX") == 0 &&
+ (strcasecmp(prev3_wd, "CREATE") == 0 || strcasecmp(prev3_wd, "UNIQUE") == 0))
+ COMPLETE_WITH_CONST("ON");
+ /* Complete ... INDEX <name> ON with a list of tables */
+ else if ((strcasecmp(prev3_wd, "INDEX") == 0 && strcasecmp(prev_wd, "ON") == 0) || (0))
+ COMPLETE_WITH_QUERY(Query_for_list_of_tables);
+
+ /*
+ * Complete INDEX <name> ON <table> with a list of table columns
+ * (which should really be in parens)
+ */
+ else if ((strcasecmp(prev4_wd, "INDEX") == 0 && strcasecmp(prev2_wd, "ON") == 0))
+ COMPLETE_WITH_ATTR(prev_wd);
+ /* same if you put in USING */
+ else if ((strcasecmp(prev4_wd, "ON") == 0 && strcasecmp(prev2_wd, "USING") == 0))
+ COMPLETE_WITH_ATTR(prev3_wd);
+ /* Complete USING with an index method */
+ else if (strcasecmp(prev_wd, "USING") == 0)
+ {
+ char *index_mth[] = {"BTREE", "RTREE", "HASH", NULL};
+
+ COMPLETE_WITH_LIST(index_mth);
+ }
+
/* CREATE RULE */
- /* Complete "CREATE RULE <sth>" with "AS" */
- else if( strcasecmp(prev3_wd,"CREATE")==0 && strcasecmp(prev2_wd,"RULE")==0 )
- COMPLETE_WITH_CONST("AS");
- /* Complete "CREATE RULE <sth> AS with "ON" */
- else if( strcasecmp(prev4_wd,"CREATE")==0 &&
- strcasecmp(prev3_wd,"RULE")==0 &&
- strcasecmp(prev_wd,"AS")==0 )
- COMPLETE_WITH_CONST("ON");
- /* Complete "RULE * AS ON" with SELECT|UPDATE|DELETE|INSERT */
- else if( strcasecmp(prev4_wd,"RULE")==0 &&
- strcasecmp(prev2_wd,"AS")==0 &&
- strcasecmp(prev_wd,"ON")==0 ) {
- char * rule_events[] = { "SELECT", "UPDATE", "INSERT", "DELETE", NULL };
- COMPLETE_WITH_LIST(rule_events);
- }
- /* Complete "AS ON <sth with a 'T' :)>" with a "TO" */
- else if( strcasecmp(prev3_wd,"AS")==0 &&
- strcasecmp(prev2_wd,"ON")==0 &&
- (toupper(prev_wd[4])=='T' || toupper(prev_wd[5])=='T') )
- COMPLETE_WITH_CONST("TO");
- /* Complete "AS ON <sth> TO" with a table name */
- else if( strcasecmp(prev4_wd,"AS")==0 &&
- strcasecmp(prev3_wd,"ON")==0 &&
- strcasecmp(prev_wd,"TO")==0 )
- COMPLETE_WITH_QUERY(Query_for_list_of_tables);
+ /* Complete "CREATE RULE <sth>" with "AS" */
+ else if (strcasecmp(prev3_wd, "CREATE") == 0 && strcasecmp(prev2_wd, "RULE") == 0)
+ COMPLETE_WITH_CONST("AS");
+ /* Complete "CREATE RULE <sth> AS with "ON" */
+ else if (strcasecmp(prev4_wd, "CREATE") == 0 &&
+ strcasecmp(prev3_wd, "RULE") == 0 &&
+ strcasecmp(prev_wd, "AS") == 0)
+ COMPLETE_WITH_CONST("ON");
+ /* Complete "RULE * AS ON" with SELECT|UPDATE|DELETE|INSERT */
+ else if (strcasecmp(prev4_wd, "RULE") == 0 &&
+ strcasecmp(prev2_wd, "AS") == 0 &&
+ strcasecmp(prev_wd, "ON") == 0)
+ {
+ char *rule_events[] = {"SELECT", "UPDATE", "INSERT", "DELETE", NULL};
+
+ COMPLETE_WITH_LIST(rule_events);
+ }
+ /* Complete "AS ON <sth with a 'T' :)>" with a "TO" */
+ else if (strcasecmp(prev3_wd, "AS") == 0 &&
+ strcasecmp(prev2_wd, "ON") == 0 &&
+ (toupper(prev_wd[4]) == 'T' || toupper(prev_wd[5]) == 'T'))
+ COMPLETE_WITH_CONST("TO");
+ /* Complete "AS ON <sth> TO" with a table name */
+ else if (strcasecmp(prev4_wd, "AS") == 0 &&
+ strcasecmp(prev3_wd, "ON") == 0 &&
+ strcasecmp(prev_wd, "TO") == 0)
+ COMPLETE_WITH_QUERY(Query_for_list_of_tables);
/* CREATE TABLE */
- /* Complete CREATE TEMP with "TABLE" */
- else if( strcasecmp(prev2_wd, "CREATE")==0 && strcasecmp(prev_wd, "TEMP")==0 )
- COMPLETE_WITH_CONST("TABLE");
+ /* Complete CREATE TEMP with "TABLE" */
+ else if (strcasecmp(prev2_wd, "CREATE") == 0 && strcasecmp(prev_wd, "TEMP") == 0)
+ COMPLETE_WITH_CONST("TABLE");
/* CREATE TRIGGER */
- /* is on the agenda . . . */
+ /* is on the agenda . . . */
/* CREATE VIEW */
- /* Complete "CREATE VIEW <name>" with "AS" */
- else if( strcasecmp(prev3_wd,"CREATE")==0 && strcasecmp(prev2_wd,"VIEW")==0 )
- COMPLETE_WITH_CONST("AS");
- /* Complete "CREATE VIEW <sth> AS with "SELECT" */
- else if( strcasecmp(prev4_wd,"CREATE")==0 &&
- strcasecmp(prev3_wd,"VIEW")==0 &&
- strcasecmp(prev_wd,"AS")==0 )
- COMPLETE_WITH_CONST("SELECT");
+ /* Complete "CREATE VIEW <name>" with "AS" */
+ else if (strcasecmp(prev3_wd, "CREATE") == 0 && strcasecmp(prev2_wd, "VIEW") == 0)
+ COMPLETE_WITH_CONST("AS");
+ /* Complete "CREATE VIEW <sth> AS with "SELECT" */
+ else if (strcasecmp(prev4_wd, "CREATE") == 0 &&
+ strcasecmp(prev3_wd, "VIEW") == 0 &&
+ strcasecmp(prev_wd, "AS") == 0)
+ COMPLETE_WITH_CONST("SELECT");
/* DELETE */
- /* Complete DELETE with FROM (only if the word before that is not "ON" (cf.
- rules) or "BEFORE" or "AFTER" (cf. triggers) ) */
- else if( strcasecmp(prev_wd,"DELETE")==0 &&
- !(strcasecmp(prev2_wd,"ON")==0 ||
- strcasecmp(prev2_wd,"BEFORE")==0 ||
- strcasecmp(prev2_wd,"AFTER")==0) )
- COMPLETE_WITH_CONST("FROM");
- /* Complete DELETE FROM with a list of tables */
- else if( strcasecmp(prev2_wd,"DELETE")==0 && strcasecmp(prev_wd,"FROM")==0 )
- COMPLETE_WITH_QUERY(Query_for_list_of_tables);
- /* Complete DELETE FROM <table> with "WHERE" (perhaps a safe idea?) */
- else if( strcasecmp(prev3_wd,"DELETE")==0 && strcasecmp(prev2_wd,"FROM")==0 )
- COMPLETE_WITH_CONST("WHERE");
+
+ /*
+ * Complete DELETE with FROM (only if the word before that is not "ON"
+ * (cf. rules) or "BEFORE" or "AFTER" (cf. triggers) )
+ */
+ else if (strcasecmp(prev_wd, "DELETE") == 0 &&
+ !(strcasecmp(prev2_wd, "ON") == 0 ||
+ strcasecmp(prev2_wd, "BEFORE") == 0 ||
+ strcasecmp(prev2_wd, "AFTER") == 0))
+ COMPLETE_WITH_CONST("FROM");
+ /* Complete DELETE FROM with a list of tables */
+ else if (strcasecmp(prev2_wd, "DELETE") == 0 && strcasecmp(prev_wd, "FROM") == 0)
+ COMPLETE_WITH_QUERY(Query_for_list_of_tables);
+ /* Complete DELETE FROM <table> with "WHERE" (perhaps a safe idea?) */
+ else if (strcasecmp(prev3_wd, "DELETE") == 0 && strcasecmp(prev2_wd, "FROM") == 0)
+ COMPLETE_WITH_CONST("WHERE");
/* EXPLAIN */
- /* Complete EXPLAIN [VERBOSE] (which you'd have to type yourself) with the list of SQL commands */
- else if( strcasecmp(prev_wd,"EXPLAIN")==0 ||
- (strcasecmp(prev2_wd,"EXPLAIN")==0 && strcasecmp(prev_wd,"VERBOSE")==0) )
- COMPLETE_WITH_LIST(sql_commands);
+
+ /*
+ * Complete EXPLAIN [VERBOSE] (which you'd have to type yourself) with
+ * the list of SQL commands
+ */
+ else if (strcasecmp(prev_wd, "EXPLAIN") == 0 ||
+ (strcasecmp(prev2_wd, "EXPLAIN") == 0 && strcasecmp(prev_wd, "VERBOSE") == 0))
+ COMPLETE_WITH_LIST(sql_commands);
/* FETCH && MOVE */
- /* Complete FETCH with one of FORWARD, BACKWARD, RELATIVE */
- else if( strcasecmp(prev_wd,"FETCH")==0 || strcasecmp(prev_wd,"MOVE")==0 ) {
- char * list_FETCH1[] = { "FORWARD", "BACKWARD", "RELATIVE", NULL };
- COMPLETE_WITH_LIST(list_FETCH1);
- }
- /* Complete FETCH <sth> with one of ALL, NEXT, PRIOR */
- else if( strcasecmp(prev2_wd,"FETCH")==0 || strcasecmp(prev2_wd,"MOVE")==0 ) {
- char * list_FETCH2[] = { "ALL", "NEXT", "PRIOR", NULL };
- COMPLETE_WITH_LIST(list_FETCH2);
- }
- /* Complete FETCH <sth1> <sth2> with "FROM" or "TO".
- (Is there a difference? If not, remove one.) */
- else if( strcasecmp(prev3_wd,"FETCH")==0 || strcasecmp(prev3_wd,"MOVE")==0 ) {
- char * list_FROMTO[] = { "FROM", "TO", NULL };
- COMPLETE_WITH_LIST(list_FROMTO);
- }
+ /* Complete FETCH with one of FORWARD, BACKWARD, RELATIVE */
+ else if (strcasecmp(prev_wd, "FETCH") == 0 || strcasecmp(prev_wd, "MOVE") == 0)
+ {
+ char *list_FETCH1[] = {"FORWARD", "BACKWARD", "RELATIVE", NULL};
+
+ COMPLETE_WITH_LIST(list_FETCH1);
+ }
+ /* Complete FETCH <sth> with one of ALL, NEXT, PRIOR */
+ else if (strcasecmp(prev2_wd, "FETCH") == 0 || strcasecmp(prev2_wd, "MOVE") == 0)
+ {
+ char *list_FETCH2[] = {"ALL", "NEXT", "PRIOR", NULL};
+
+ COMPLETE_WITH_LIST(list_FETCH2);
+ }
+
+ /*
+ * Complete FETCH <sth1> <sth2> with "FROM" or "TO". (Is there a
+ * difference? If not, remove one.)
+ */
+ else if (strcasecmp(prev3_wd, "FETCH") == 0 || strcasecmp(prev3_wd, "MOVE") == 0)
+ {
+ char *list_FROMTO[] = {"FROM", "TO", NULL};
+
+ COMPLETE_WITH_LIST(list_FROMTO);
+ }
/* GRANT && REVOKE*/
- /* Complete GRANT/REVOKE with a list of privileges */
- else if( strcasecmp(prev_wd,"GRANT")==0 || strcasecmp(prev_wd,"REVOKE")==0 ) {
- char * list_privileg[] = { "SELECT", "INSERT", "UPDATE", "DELETE", "RULE", "ALL", NULL };
- COMPLETE_WITH_LIST(list_privileg);
- }
- /* Complete GRANT/REVOKE <sth> with "ON" */
- else if( strcasecmp(prev2_wd,"GRANT")==0 || strcasecmp(prev2_wd,"REVOKE")==0 )
- COMPLETE_WITH_CONST("ON");
- /* Complete GRANT/REVOKE <sth> ON with a list of tables, views, sequences, and indexes */
- else if( (strcasecmp(prev3_wd,"GRANT")==0 || strcasecmp(prev3_wd,"REVOKE")==0) &&
- strcasecmp(prev_wd,"ON")==0 )
- COMPLETE_WITH_QUERY("SELECT relname FROM pg_class WHERE relkind in ('r','i','s') and substr(relname,1,%d)='%s'");
- /* Complete "GRANT * ON * " with "TO" */
- else if( strcasecmp(prev4_wd,"GRANT")==0 && strcasecmp(prev2_wd,"ON")==0 )
- COMPLETE_WITH_CONST("TO");
- /* Complete "REVOKE * ON * " with "FROM" */
- else if( strcasecmp(prev4_wd,"REVOKE")==0 && strcasecmp(prev2_wd,"ON")==0 )
- COMPLETE_WITH_CONST("FROM");
- /* TODO: to complete with user name we need prev5_wd -- wait for a more general solution there */
+ /* Complete GRANT/REVOKE with a list of privileges */
+ else if (strcasecmp(prev_wd, "GRANT") == 0 || strcasecmp(prev_wd, "REVOKE") == 0)
+ {
+ char *list_privileg[] = {"SELECT", "INSERT", "UPDATE", "DELETE", "RULE", "ALL", NULL};
+
+ COMPLETE_WITH_LIST(list_privileg);
+ }
+ /* Complete GRANT/REVOKE <sth> with "ON" */
+ else if (strcasecmp(prev2_wd, "GRANT") == 0 || strcasecmp(prev2_wd, "REVOKE") == 0)
+ COMPLETE_WITH_CONST("ON");
+
+ /*
+ * Complete GRANT/REVOKE <sth> ON with a list of tables, views,
+ * sequences, and indexes
+ */
+ else if ((strcasecmp(prev3_wd, "GRANT") == 0 || strcasecmp(prev3_wd, "REVOKE") == 0) &&
+ strcasecmp(prev_wd, "ON") == 0)
+ COMPLETE_WITH_QUERY("SELECT relname FROM pg_class WHERE relkind in ('r','i','s') and substr(relname,1,%d)='%s'");
+ /* Complete "GRANT * ON * " with "TO" */
+ else if (strcasecmp(prev4_wd, "GRANT") == 0 && strcasecmp(prev2_wd, "ON") == 0)
+ COMPLETE_WITH_CONST("TO");
+ /* Complete "REVOKE * ON * " with "FROM" */
+ else if (strcasecmp(prev4_wd, "REVOKE") == 0 && strcasecmp(prev2_wd, "ON") == 0)
+ COMPLETE_WITH_CONST("FROM");
+
+ /*
+ * TODO: to complete with user name we need prev5_wd -- wait for a
+ * more general solution there
+ */
/* INSERT */
- /* Complete INSERT with "INTO" */
- else if( strcasecmp(prev_wd,"INSERT")==0 )
- COMPLETE_WITH_CONST("INTO");
- /* Complete INSERT INTO with table names */
- else if( strcasecmp(prev2_wd, "INSERT")==0 && strcasecmp(prev_wd,"INTO")==0 )
- COMPLETE_WITH_QUERY(Query_for_list_of_tables);
- /* Complete INSERT INTO <table> with "VALUES" or "SELECT" */
- else if( strcasecmp(prev3_wd, "INSERT")==0 && strcasecmp(prev2_wd,"INTO")==0 ) {
- char * list_INSERT[] = { "SELECT", "VALUES", NULL };
- COMPLETE_WITH_LIST(list_INSERT);
- }
- /* Insert an open parenthesis after "VALUES" */
- else if( strcasecmp(prev_wd,"VALUES")==0 )
- COMPLETE_WITH_CONST("(");
+ /* Complete INSERT with "INTO" */
+ else if (strcasecmp(prev_wd, "INSERT") == 0)
+ COMPLETE_WITH_CONST("INTO");
+ /* Complete INSERT INTO with table names */
+ else if (strcasecmp(prev2_wd, "INSERT") == 0 && strcasecmp(prev_wd, "INTO") == 0)
+ COMPLETE_WITH_QUERY(Query_for_list_of_tables);
+ /* Complete INSERT INTO <table> with "VALUES" or "SELECT" */
+ else if (strcasecmp(prev3_wd, "INSERT") == 0 && strcasecmp(prev2_wd, "INTO") == 0)
+ {
+ char *list_INSERT[] = {"SELECT", "VALUES", NULL};
+
+ COMPLETE_WITH_LIST(list_INSERT);
+ }
+ /* Insert an open parenthesis after "VALUES" */
+ else if (strcasecmp(prev_wd, "VALUES") == 0)
+ COMPLETE_WITH_CONST("(");
/* LOCK */
- /* Complete with list of tables */
- else if( strcasecmp(prev_wd, "LOCK") == 0 )
- COMPLETE_WITH_QUERY(Query_for_list_of_tables);
- /* (If you want more with LOCK, you better think about it yourself.) */
+ /* Complete with list of tables */
+ else if (strcasecmp(prev_wd, "LOCK") == 0)
+ COMPLETE_WITH_QUERY(Query_for_list_of_tables);
+ /* (If you want more with LOCK, you better think about it yourself.) */
/* SELECT */
- /* naah . . . */
+ /* naah . . . */
/* SET, RESET, SHOW */
- /* Complete with a variable name */
- else if( (strcasecmp(prev_wd,"SET")==0 && strcasecmp(prev3_wd,"UPDATE")!=0) ||
- strcasecmp(prev_wd,"RESET")==0 ||
- strcasecmp(prev_wd,"SHOW")==0 )
- COMPLETE_WITH_LIST(pgsql_variables);
- /* Complete "SET TRANSACTION ISOLOLATION LEVEL" */
- else if( strcasecmp(prev2_wd,"SET")==0 && strcasecmp(prev_wd,"TRANSACTION")==0 )
- COMPLETE_WITH_CONST("ISOLATION");
- else if( strcasecmp(prev3_wd,"SET")==0 &&
- strcasecmp(prev2_wd,"TRANSACTION")==0 &&
- strcasecmp(prev_wd,"ISOLATION")==0 )
- COMPLETE_WITH_CONST("LEVEL");
- else if( strcasecmp(prev4_wd,"SET")==0 &&
- strcasecmp(prev3_wd,"TRANSACTION")==0 &&
- strcasecmp(prev2_wd,"ISOLATION")==0 &&
- strcasecmp(prev_wd,"LEVEL")==0 ) {
- char * my_list[] = {"READ","SERIALIZED",NULL};
- COMPLETE_WITH_LIST(my_list);
- }
- else if( strcasecmp(prev4_wd,"TRANSACTION")==0 &&
- strcasecmp(prev3_wd,"ISOLATION")==0 &&
- strcasecmp(prev2_wd,"LEVEL")==0 &&
- strcasecmp(prev_wd,"READ")==0 )
- COMPLETE_WITH_CONST("COMMITTED");
- /* Complete SET <var> with "TO" */
- else if( strcasecmp(prev2_wd,"SET")==0 &&
- strcasecmp(prev4_wd,"UPDATE")!=0 )
- COMPLETE_WITH_CONST("TO");
- /* Suggest possible variable values */
- else if( strcasecmp(prev3_wd,"SET")==0 &&
- (strcasecmp(prev_wd,"TO")==0 || strcmp(prev_wd,"=")==0) ) {
- if ( strcasecmp(prev2_wd,"DateStyle")==0 ) {
- char * my_list[] = {"'ISO'", "'SQL'", "'Postgres'", "'European'", "'NonEuropean'", "'German'", "DEFAULT", NULL};
- COMPLETE_WITH_LIST(my_list);
- }
- else if( strcasecmp(prev2_wd,"GEQO")==0 || strcasecmp(prev2_wd,"KSQO")==0 ) {
- char * my_list[] = {"ON", "OFF", "DEFAULT", NULL};
- COMPLETE_WITH_LIST(my_list);
- }
- else {
- char * my_list[] = {"DEFAULT", NULL};
- COMPLETE_WITH_LIST(my_list);
- }
- }
+ /* Complete with a variable name */
+ else if ((strcasecmp(prev_wd, "SET") == 0 && strcasecmp(prev3_wd, "UPDATE") != 0) ||
+ strcasecmp(prev_wd, "RESET") == 0 ||
+ strcasecmp(prev_wd, "SHOW") == 0)
+ COMPLETE_WITH_LIST(pgsql_variables);
+ /* Complete "SET TRANSACTION ISOLOLATION LEVEL" */
+ else if (strcasecmp(prev2_wd, "SET") == 0 && strcasecmp(prev_wd, "TRANSACTION") == 0)
+ COMPLETE_WITH_CONST("ISOLATION");
+ else if (strcasecmp(prev3_wd, "SET") == 0 &&
+ strcasecmp(prev2_wd, "TRANSACTION") == 0 &&
+ strcasecmp(prev_wd, "ISOLATION") == 0)
+ COMPLETE_WITH_CONST("LEVEL");
+ else if (strcasecmp(prev4_wd, "SET") == 0 &&
+ strcasecmp(prev3_wd, "TRANSACTION") == 0 &&
+ strcasecmp(prev2_wd, "ISOLATION") == 0 &&
+ strcasecmp(prev_wd, "LEVEL") == 0)
+ {
+ char *my_list[] = {"READ", "SERIALIZED", NULL};
+
+ COMPLETE_WITH_LIST(my_list);
+ }
+ else if (strcasecmp(prev4_wd, "TRANSACTION") == 0 &&
+ strcasecmp(prev3_wd, "ISOLATION") == 0 &&
+ strcasecmp(prev2_wd, "LEVEL") == 0 &&
+ strcasecmp(prev_wd, "READ") == 0)
+ COMPLETE_WITH_CONST("COMMITTED");
+ /* Complete SET <var> with "TO" */
+ else if (strcasecmp(prev2_wd, "SET") == 0 &&
+ strcasecmp(prev4_wd, "UPDATE") != 0)
+ COMPLETE_WITH_CONST("TO");
+ /* Suggest possible variable values */
+ else if (strcasecmp(prev3_wd, "SET") == 0 &&
+ (strcasecmp(prev_wd, "TO") == 0 || strcmp(prev_wd, "=") == 0))
+ {
+ if (strcasecmp(prev2_wd, "DateStyle") == 0)
+ {
+ char *my_list[] = {"'ISO'", "'SQL'", "'Postgres'", "'European'", "'NonEuropean'", "'German'", "DEFAULT", NULL};
+
+ COMPLETE_WITH_LIST(my_list);
+ }
+ else if (strcasecmp(prev2_wd, "GEQO") == 0 || strcasecmp(prev2_wd, "KSQO") == 0)
+ {
+ char *my_list[] = {"ON", "OFF", "DEFAULT", NULL};
+
+ COMPLETE_WITH_LIST(my_list);
+ }
+ else
+ {
+ char *my_list[] = {"DEFAULT", NULL};
+
+ COMPLETE_WITH_LIST(my_list);
+ }
+ }
/* UPDATE */
- /* If prev. word is UPDATE suggest a list of tables */
- else if( strcasecmp(prev_wd, "UPDATE") == 0 )
- COMPLETE_WITH_QUERY(Query_for_list_of_tables);
- /* Complete UPDATE <table> with "SET" */
- else if( strcasecmp(prev2_wd, "UPDATE") == 0 )
- COMPLETE_WITH_CONST("SET");
- /* If the previous word is SET (and it wasn't caught above as the _first_
- word) the word before it was (hopefully) a table name and we'll now make
- a list of attributes. */
- else if( strcasecmp(prev_wd, "SET") == 0 )
- COMPLETE_WITH_ATTR(prev2_wd);
+ /* If prev. word is UPDATE suggest a list of tables */
+ else if (strcasecmp(prev_wd, "UPDATE") == 0)
+ COMPLETE_WITH_QUERY(Query_for_list_of_tables);
+ /* Complete UPDATE <table> with "SET" */
+ else if (strcasecmp(prev2_wd, "UPDATE") == 0)
+ COMPLETE_WITH_CONST("SET");
+
+ /*
+ * If the previous word is SET (and it wasn't caught above as the
+ * _first_ word) the word before it was (hopefully) a table name and
+ * we'll now make a list of attributes.
+ */
+ else if (strcasecmp(prev_wd, "SET") == 0)
+ COMPLETE_WITH_ATTR(prev2_wd);
/* VACUUM */
- else if( strcasecmp(prev_wd, "VACUUM") == 0 )
- COMPLETE_WITH_QUERY("SELECT relname FROM pg_class WHERE relkind='r' and substr(relname,1,%d)='%s' UNION SELECT 'ANALYZE'::text");
- else if( strcasecmp(prev2_wd, "VACUUM")==0 && strcasecmp(prev_wd, "ANALYZE")==0 )
- COMPLETE_WITH_QUERY(Query_for_list_of_tables);
+ else if (strcasecmp(prev_wd, "VACUUM") == 0)
+ COMPLETE_WITH_QUERY("SELECT relname FROM pg_class WHERE relkind='r' and substr(relname,1,%d)='%s' UNION SELECT 'ANALYZE'::text");
+ else if (strcasecmp(prev2_wd, "VACUUM") == 0 && strcasecmp(prev_wd, "ANALYZE") == 0)
+ COMPLETE_WITH_QUERY(Query_for_list_of_tables);
/* ... FROM ... */
- else if (strcasecmp(prev_wd, "FROM") == 0 )
- COMPLETE_WITH_QUERY(Query_for_list_of_tables);
+ else if (strcasecmp(prev_wd, "FROM") == 0)
+ COMPLETE_WITH_QUERY(Query_for_list_of_tables);
/* Backslash commands */
- else if (strcmp(prev_wd, "\\connect")==0 || strcmp(prev_wd, "\\c")==0)
- COMPLETE_WITH_QUERY(Query_for_list_of_databases);
- else if (strcmp(prev_wd, "\\d")==0)
- COMPLETE_WITH_QUERY(Query_for_list_of_tables);
- else if (strcmp(prev_wd, "\\h")==0 || strcmp(prev_wd, "\\help")==0)
- COMPLETE_WITH_LIST(sql_commands);
- else if (strcmp(prev_wd, "\\pset")==0) {
- char * my_list[] = { "format", "border", "expanded", "null", "fieldsep",
- "tuples_only", "title", "tableattr", "pager",
- "recordsep", NULL };
- COMPLETE_WITH_LIST(my_list);
- }
- else if( strcmp(prev_wd, "\\e")==0 || strcmp(prev_wd, "\\edit")==0 ||
- strcmp(prev_wd, "\\g")==0 ||
- strcmp(prev_wd, "\\i")==0 || strcmp(prev_wd, "\\include")==0 ||
- strcmp(prev_wd, "\\o")==0 || strcmp(prev_wd, "\\out")==0 ||
- strcmp(prev_wd, "\\s")==0 ||
- strcmp(prev_wd, "\\w")==0 || strcmp(prev_wd, "\\write")==0
- ) {
+ else if (strcmp(prev_wd, "\\connect") == 0 || strcmp(prev_wd, "\\c") == 0)
+ COMPLETE_WITH_QUERY(Query_for_list_of_databases);
+ else if (strcmp(prev_wd, "\\d") == 0)
+ COMPLETE_WITH_QUERY(Query_for_list_of_tables);
+ else if (strcmp(prev_wd, "\\h") == 0 || strcmp(prev_wd, "\\help") == 0)
+ COMPLETE_WITH_LIST(sql_commands);
+ else if (strcmp(prev_wd, "\\pset") == 0)
+ {
+ char *my_list[] = {"format", "border", "expanded", "null", "fieldsep",
+ "tuples_only", "title", "tableattr", "pager",
+ "recordsep", NULL};
+
+ COMPLETE_WITH_LIST(my_list);
+ }
+ else if (strcmp(prev_wd, "\\e") == 0 || strcmp(prev_wd, "\\edit") == 0 ||
+ strcmp(prev_wd, "\\g") == 0 ||
+ strcmp(prev_wd, "\\i") == 0 || strcmp(prev_wd, "\\include") == 0 ||
+ strcmp(prev_wd, "\\o") == 0 || strcmp(prev_wd, "\\out") == 0 ||
+ strcmp(prev_wd, "\\s") == 0 ||
+ strcmp(prev_wd, "\\w") == 0 || strcmp(prev_wd, "\\write") == 0
+ )
+ {
#ifdef HAVE_FILENAME_COMPLETION_FUNCTION
- matches = completion_matches(text, filename_completion_function);
+ matches = completion_matches(text, filename_completion_function);
#else
- /*
- * This will probably have the same effect, but you never know what
- * the heck some readline incarnation out there is going to do.
- */
- matches = NULL;
+
+ /*
+ * This will probably have the same effect, but you never know
+ * what the heck some readline incarnation out there is going to
+ * do.
+ */
+ matches = NULL;
#endif
- }
-
-
- /* Finally, we look through the list of "things", such as TABLE, INDEX and
- check if that was the previous word. If so, execute the query to get a
- list of them. */
- else {
- int i;
- for(i=0; words_after_create[i].name; i++)
- if ( strcasecmp(prev_wd, words_after_create[i].name) == 0 ) {
- COMPLETE_WITH_QUERY(words_after_create[i].query);
- break;
- }
- }
-
-
- /* If we still don't have anything to match we have to fabricate some sort
- of default list. If we were to just return NULL, readline automatically
- attempts filename completion, and that's usually no good. */
- if (matches == NULL)
- {
- COMPLETE_WITH_CONST("");
+ }
+
+
+ /*
+ * Finally, we look through the list of "things", such as TABLE, INDEX
+ * and check if that was the previous word. If so, execute the query
+ * to get a list of them.
+ */
+ else
+ {
+ int i;
+
+ for (i = 0; words_after_create[i].name; i++)
+ if (strcasecmp(prev_wd, words_after_create[i].name) == 0)
+ {
+ COMPLETE_WITH_QUERY(words_after_create[i].query);
+ break;
+ }
+ }
+
+
+ /*
+ * If we still don't have anything to match we have to fabricate some
+ * sort of default list. If we were to just return NULL, readline
+ * automatically attempts filename completion, and that's usually no
+ * good.
+ */
+ if (matches == NULL)
+ {
+ COMPLETE_WITH_CONST("");
#ifdef HAVE_RL_COMPLETION_APPEND_CHARACTER
- rl_completion_append_character = '\0';
+ rl_completion_append_character = '\0';
#endif
- }
-
+ }
- /* free storage */
- free(prev_wd);
- free(prev2_wd);
- free(prev3_wd);
- free(prev4_wd);
- /* Return our Grand List O' Matches */
- return matches;
+ /* free storage */
+ free(prev_wd);
+ free(prev2_wd);
+ free(prev3_wd);
+ free(prev4_wd);
+
+ /* Return our Grand List O' Matches */
+ return matches;
}
/* This one gives you one from a list of things you can put after CREATE or DROP
as defined above.
*/
-char * create_command_generator(char *text, int state)
+char *
+create_command_generator(char *text, int state)
{
- static int list_index, string_length;
- char *name;
-
- /* If this is the first time for this completion, init some values */
- if (state == 0) {
- list_index = 0;
- string_length = strlen(text);
- }
-
- /* find something that matches */
- while ( (name = words_after_create[list_index++].name) )
- if ( strncasecmp(name, text, string_length) == 0 )
- return xstrdup(name);
-
- /* if nothing matches, return NULL */
- return NULL;
+ static int list_index,
+ string_length;
+ char *name;
+
+ /* If this is the first time for this completion, init some values */
+ if (state == 0)
+ {
+ list_index = 0;
+ string_length = strlen(text);
+ }
+
+ /* find something that matches */
+ while ((name = words_after_create[list_index++].name))
+ if (strncasecmp(name, text, string_length) == 0)
+ return xstrdup(name);
+
+ /* if nothing matches, return NULL */
+ return NULL;
}
Ordinarily this would be used to get a list of matching tables or functions,
etc.
*/
-char * complete_from_query(char *text, int state)
+char *
+complete_from_query(char *text, int state)
{
- static int list_index, string_length;
- static PGresult *result = NULL;
- char query_buffer[BUF_SIZE];
- const char * item;
-
- /* If this ist the first time for this completion, we fetch a list of our
- "things" from the backend. */
- if (state == 0) {
- list_index = 0;
- string_length = strlen(text);
-
- /* Need to have a query */
- if (completion_charp == NULL) return NULL;
-
- if (snprintf(query_buffer, BUF_SIZE, completion_charp, string_length, text, completion_info_charp) == -1) {
- ERROR_QUERY_TOO_LONG;
- return NULL;
- }
-
- result = exec_query(query_buffer);
- }
-
- /* Find something that matches */
- if( result && PQresultStatus(result) == PGRES_TUPLES_OK )
- while( list_index < PQntuples(result) && (item = PQgetvalue(result, list_index++, 0)) )
- if ( strncasecmp(text, item, string_length) == 0)
- return xstrdup(item);
-
- /* If nothing matches, free the db structure and return null */
- PQclear(result);
- result = NULL;
- return NULL;
+ static int list_index,
+ string_length;
+ static PGresult *result = NULL;
+ char query_buffer[BUF_SIZE];
+ const char *item;
+
+ /*
+ * If this ist the first time for this completion, we fetch a list of
+ * our "things" from the backend.
+ */
+ if (state == 0)
+ {
+ list_index = 0;
+ string_length = strlen(text);
+
+ /* Need to have a query */
+ if (completion_charp == NULL)
+ return NULL;
+
+ if (snprintf(query_buffer, BUF_SIZE, completion_charp, string_length, text, completion_info_charp) == -1)
+ {
+ ERROR_QUERY_TOO_LONG;
+ return NULL;
+ }
+
+ result = exec_query(query_buffer);
+ }
+
+ /* Find something that matches */
+ if (result && PQresultStatus(result) == PGRES_TUPLES_OK)
+ while (list_index < PQntuples(result) && (item = PQgetvalue(result, list_index++, 0)))
+ if (strncasecmp(text, item, string_length) == 0)
+ return xstrdup(item);
+
+ /* If nothing matches, free the db structure and return null */
+ PQclear(result);
+ result = NULL;
+ return NULL;
}
of strings (if matching). This can be used if there are only a fixed number
SQL words that can appear at certain spot.
*/
-char * complete_from_list(char *text, int state) {
- static int string_length, list_index;
- char * item;
+char *
+complete_from_list(char *text, int state)
+{
+ static int string_length,
+ list_index;
+ char *item;
- /* need to have a list */
+ /* need to have a list */
#ifdef USE_ASSERT_CHECKING
- assert(completion_charpp);
+ assert(completion_charpp);
#endif
- /* Initialization */
- if (state == 0) {
- list_index = 0;
- string_length = strlen(text);
- }
+ /* Initialization */
+ if (state == 0)
+ {
+ list_index = 0;
+ string_length = strlen(text);
+ }
- while( (item = completion_charpp[list_index++]) )
- if ( strncasecmp(text,item,string_length) == 0 )
- return xstrdup(item);
+ while ((item = completion_charpp[list_index++]))
+ if (strncasecmp(text, item, string_length) == 0)
+ return xstrdup(item);
- /* If no more matches, return null. */
- return NULL;
+ /* If no more matches, return null. */
+ return NULL;
}
will be overwritten.
The string to be passed must be in completion_charp.
*/
-char * complete_from_const(char *text, int state)
+char *
+complete_from_const(char *text, int state)
{
- (void)text; /* We don't care about what was entered already. */
+ (void) text; /* We don't care about what was entered
+ * already. */
+
#ifdef USE_ASSERT_CHECKING
- assert(completion_charp);
+ assert(completion_charp);
#endif
- if (state==0)
- return xstrdup(completion_charp);
- else
- return NULL;
+ if (state == 0)
+ return xstrdup(completion_charp);
+ else
+ return NULL;
}
Note that the query passed in here must not have a semicolon at the end
because we need to append LIMIT xxx.
*/
-PGresult * exec_query(char * query)
+PGresult *
+exec_query(char *query)
{
- PGresult * result;
- char query_buffer[BUF_SIZE];
+ PGresult *result;
+ char query_buffer[BUF_SIZE];
- if (query == NULL || !pset.db || PQstatus(pset.db) != CONNECTION_OK)
- return NULL;
+ if (query == NULL || !pset.db || PQstatus(pset.db) != CONNECTION_OK)
+ return NULL;
#ifdef USE_ASSERT_CHECKING
- assert( query[strlen(query)-1] != ';' );
+ assert(query[strlen(query) - 1] != ';');
#endif
- if( snprintf(query_buffer, BUF_SIZE, "%s LIMIT %d;", query, completion_max_records) == -1 ) {
- ERROR_QUERY_TOO_LONG;
- return NULL;
- }
+ if (snprintf(query_buffer, BUF_SIZE, "%s LIMIT %d;", query, completion_max_records) == -1)
+ {
+ ERROR_QUERY_TOO_LONG;
+ return NULL;
+ }
- result = PQexec(pset.db, query);
+ result = PQexec(pset.db, query);
- if (result != NULL && PQresultStatus(result) != PGRES_TUPLES_OK) {
+ if (result != NULL && PQresultStatus(result) != PGRES_TUPLES_OK)
+ {
#if 0
- psql_error("tab completion: %s failed - %s\n",
- query, PQresStatus(PQresultStatus(result)));
+ psql_error("tab completion: %s failed - %s\n",
+ query, PQresStatus(PQresultStatus(result)));
#endif
- PQclear(result);
- result = NULL;
- }
-
- return result;
+ PQclear(result);
+ result = NULL;
+ }
+
+ return result;
}
TODO: Take account of quotes. (Right now, if you table names contain spaces
you're screwed.)
*/
-char * previous_word(int point, int skip) {
- int i, start=0, end=-1;
- char * s;
-
- while (skip-- >=0) {
- /* first we look for a space before the current word */
- for(i=point; i>=0; i--)
- if (rl_line_buffer[i] == ' ')
- break;
-
- /* now find the first non-space which then constitutes the end */
- for(; i>=0; i--)
- if (rl_line_buffer[i] != ' ') {
- end = i;
- break;
- }
-
- /* If no end found we return null, because there is no word before the point */
- if (end == -1)
- return NULL;
-
- /* Otherwise we now look for the start. The start is either the last
- character before any space going backwards from the end, or it's
- simply character 0 */
- for (start=end; start>0; start--)
- if (rl_line_buffer[start-1] == ' ')
- break;
-
- point=start;
- }
-
- /* make a copy */
- s = (char *)malloc(end-start+2);
- if (!s)
- {
- psql_error("out of memory\n");
- if (!pset.cur_cmd_interactive)
- exit(EXIT_FAILURE);
- else
- return NULL;
- }
-
- strncpy(s, &rl_line_buffer[start], end-start+1);
- s[end-start+1] = '\0';
-
- return s;
+char *
+previous_word(int point, int skip)
+{
+ int i,
+ start = 0,
+ end = -1;
+ char *s;
+
+ while (skip-- >= 0)
+ {
+ /* first we look for a space before the current word */
+ for (i = point; i >= 0; i--)
+ if (rl_line_buffer[i] == ' ')
+ break;
+
+ /* now find the first non-space which then constitutes the end */
+ for (; i >= 0; i--)
+ if (rl_line_buffer[i] != ' ')
+ {
+ end = i;
+ break;
+ }
+
+ /*
+ * If no end found we return null, because there is no word before
+ * the point
+ */
+ if (end == -1)
+ return NULL;
+
+ /*
+ * Otherwise we now look for the start. The start is either the
+ * last character before any space going backwards from the end,
+ * or it's simply character 0
+ */
+ for (start = end; start > 0; start--)
+ if (rl_line_buffer[start - 1] == ' ')
+ break;
+
+ point = start;
+ }
+
+ /* make a copy */
+ s = (char *) malloc(end - start + 2);
+ if (!s)
+ {
+ psql_error("out of memory\n");
+ if (!pset.cur_cmd_interactive)
+ exit(EXIT_FAILURE);
+ else
+ return NULL;
+ }
+
+ strncpy(s, &rl_line_buffer[start], end - start + 1);
+ s[end - start + 1] = '\0';
+
+ return s;
}
* psql internal. Currently disable because it is reported not to
* cooperate with certain versions of readline.
*/
-char * quote_file_name(char *text, int match_type, char * quote_pointer)
+char *
+quote_file_name(char *text, int match_type, char *quote_pointer)
{
- char *s;
- size_t length;
-
- (void)quote_pointer; /* not used */
-
- length = strlen(text) + ( match_type==SINGLE_MATCH ? 3 : 2 );
- s = malloc(length);
- s[0] = '\'';
- strcpy(s+1, text);
- if (match_type==SINGLE_MATCH)
- s[length-2] = '\'';
- s[length-1] = '\0';
- return s;
+ char *s;
+ size_t length;
+
+ (void) quote_pointer; /* not used */
+
+ length = strlen(text) +(match_type == SINGLE_MATCH ? 3 : 2);
+ s = malloc(length);
+ s[0] = '\'';
+ strcpy(s + 1, text);
+ if (match_type == SINGLE_MATCH)
+ s[length - 2] = '\'';
+ s[length - 1] = '\0';
+ return s;
}
-static char * dequote_file_name(char *text, char quote_char)
+static char *
+dequote_file_name(char *text, char quote_char)
{
- char *s;
- size_t length;
+ char *s;
+ size_t length;
- if (!quote_char)
- return xstrdup(text);
+ if (!quote_char)
+ return xstrdup(text);
- length = strlen(text);
- s = malloc(length-2+1);
- strncpy(s, text+1, length-2);
- s[length] = '\0';
+ length = strlen(text);
+ s = malloc(length - 2 + 1);
+ strncpy(s, text +1, length - 2);
+ s[length] = '\0';
- return s;
+ return s;
}
-#endif /* 0 */
+#endif /* 0 */
-#endif /* USE_READLINE */
+#endif /* USE_READLINE */
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/tab-complete.h,v 1.4 2000/03/05 13:30:19 petere Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/tab-complete.h,v 1.5 2000/04/12 17:16:23 momjian Exp $
*/
#ifndef TAB_COMPLETE_H
#define TAB_COMPLETE_H
#include "postgres.h"
-void initialize_readline(void);
+void initialize_readline(void);
#endif
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/variables.c,v 1.7 2000/02/16 13:15:26 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/variables.c,v 1.8 2000/04/12 17:16:23 momjian Exp $
*/
#include "postgres.h"
#include "variables.h"
bool
SetVariableBool(VariableSpace space, const char *name)
{
- return SetVariable(space, name, "");
+ return SetVariable(space, name, "");
}
*
* Copyright 2000 by PostgreSQL Global Development Group
*
- * $Header: /cvsroot/pgsql/src/bin/psql/variables.h,v 1.7 2000/02/16 13:15:26 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/variables.h,v 1.8 2000/04/12 17:16:23 momjian Exp $
*/
/*
#define VARIABLES_H
#define VALID_VARIABLE_CHARS "abcdefghijklmnopqrstuvwxyz"\
- "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "0123456789_"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "0123456789_"
struct _variable
{
const char *GetVariable(VariableSpace space, const char *name);
bool GetVariableBool(VariableSpace space, const char *name);
bool SetVariable(VariableSpace space, const char *name, const char *value);
-bool SetVariableBool(VariableSpace space, const char *name);
+bool SetVariableBool(VariableSpace space, const char *name);
bool DeleteVariable(VariableSpace space, const char *name);
void DestroyVariableSpace(VariableSpace space);
** macro to initialize a GISTENTRY
*/
#define gistentryinit(e, pr, r, pg, o, b, l)\
- {(e).pred = pr; (e).rel = r; (e).page = pg; (e).offset = o; (e).bytes = b; (e).leafkey = l;}
+ do {(e).pred = pr; (e).rel = r; (e).page = pg; (e).offset = o; (e).bytes = b; (e).leafkey = l;} while (0)
/* defined in gist.c */
#define TRLOWER(tr) (((tr)->bytes))
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: heapam.h,v 1.51 2000/01/26 05:57:50 momjian Exp $
+ * $Id: heapam.h,v 1.52 2000/04/12 17:16:25 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern Oid heap_insert(Relation relation, HeapTuple tup);
extern int heap_delete(Relation relation, ItemPointer tid, ItemPointer ctid);
extern int heap_update(Relation relation, ItemPointer otid, HeapTuple tup,
- ItemPointer ctid);
+ ItemPointer ctid);
extern int heap_mark4update(Relation relation, HeapTuple tup, Buffer *userbuf);
extern void heap_markpos(HeapScanDesc scan);
extern void heap_restrpos(HeapScanDesc scan);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: htup.h,v 1.28 2000/01/26 05:57:50 momjian Exp $
+ * $Id: htup.h,v 1.29 2000/04/12 17:16:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* he have to add something below...
*
* Change for 7.0:
- * Up to now t_data could be NULL, the memory location directly following
- * HeapTupleData or pointing into a buffer. Now, it could also point to
- * a separate allocation that was done in the t_datamcxt memory context.
+ * Up to now t_data could be NULL, the memory location directly following
+ * HeapTupleData or pointing into a buffer. Now, it could also point to
+ * a separate allocation that was done in the t_datamcxt memory context.
*/
typedef struct HeapTupleData
{
uint32 t_len; /* length of *t_data */
ItemPointerData t_self; /* SelfItemPointer */
- MemoryContext t_datamcxt; /* */
+ MemoryContext t_datamcxt; /* */
HeapTupleHeader t_data; /* */
} HeapTupleData;
#define HEAP_HASVARLENA 0x0002 /* has variable length
* attribute(s) */
#define HEAP_HASEXTERNAL 0x0004 /* has external stored */
- /* attribute(s) */
+ /* attribute(s) */
#define HEAP_HASCOMPRESSED 0x0008 /* has compressed stored */
- /* attribute(s) */
+ /* attribute(s) */
#define HEAP_HASEXTENDED 0x000C /* the two above combined */
#define HEAP_XMIN_COMMITTED 0x0100 /* t_xmin committed */
#define HEAP_XMIN_INVALID 0x0200 /* t_xmin invalid/aborted */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: ibit.h,v 1.12 2000/01/26 05:57:50 momjian Exp $
+ * $Id: ibit.h,v 1.13 2000/04/12 17:16:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
typedef struct IndexAttributeBitMapData
{
- bits8 bits[(INDEX_MAX_KEYS + 8 - 1)/8];
+ bits8 bits[(INDEX_MAX_KEYS + 8 - 1) / 8];
} IndexAttributeBitMapData;
typedef IndexAttributeBitMapData *IndexAttributeBitMap;
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: nbtree.h,v 1.34 2000/02/18 06:32:28 tgl Exp $
+ * $Id: nbtree.h,v 1.35 2000/04/12 17:16:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* prototypes for functions in nbtinsert.c
*/
extern InsertIndexResult _bt_doinsert(Relation rel, BTItem btitem,
- bool index_is_unique, Relation heapRel);
+ bool index_is_unique, Relation heapRel);
extern int32 _bt_tuplecompare(Relation rel, Size keysz, ScanKey scankey,
- IndexTuple tuple1, IndexTuple tuple2);
+ IndexTuple tuple1, IndexTuple tuple2);
extern bool _bt_itemcmp(Relation rel, Size keysz, ScanKey scankey,
- BTItem item1, BTItem item2, StrategyNumber strat);
+ BTItem item1, BTItem item2, StrategyNumber strat);
/*
* prototypes for functions in nbtpage.c
* prototypes for functions in nbtstrat.c
*/
extern StrategyNumber _bt_getstrat(Relation rel, AttrNumber attno,
- RegProcedure proc);
+ RegProcedure proc);
/*
* prototypes for functions in nbtutils.c
* prototypes for functions in nbtsort.c
*/
-typedef struct BTSpool BTSpool; /* opaque type known only within nbtsort.c */
+typedef struct BTSpool BTSpool; /* opaque type known only within nbtsort.c */
extern BTSpool *_bt_spoolinit(Relation index, bool isunique);
extern void _bt_spooldestroy(BTSpool *btspool);
#ifndef RMGR_H
#define RMGR_H
-typedef uint8 RmgrId;
+typedef uint8 RmgrId;
typedef struct RmgrData
{
char *(*rm_undo) (); /* UNDO(XLogRecPtr rptr) */
} RmgrData;
-extern RmgrData *RmgrTable;
+extern RmgrData *RmgrTable;
/*
* Built-in resource managers
*/
-#define RM_XLOG_ID 0
-#define RM_XACT_ID 1
-#define RM_HEAP_ID 2
-#define RM_BTREE_ID 3
-#define RM_HASH_ID 4
-#define RM_RTREE_ID 5
-#define RM_GIST_ID 6
-#define RM_MAX_ID RM_GIST_ID
+#define RM_XLOG_ID 0
+#define RM_XACT_ID 1
+#define RM_HEAP_ID 2
+#define RM_BTREE_ID 3
+#define RM_HASH_ID 4
+#define RM_RTREE_ID 5
+#define RM_GIST_ID 6
+#define RM_MAX_ID RM_GIST_ID
#endif /* RMGR_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: strat.h,v 1.17 2000/01/26 05:57:51 momjian Exp $
+ * $Id: strat.h,v 1.18 2000/04/12 17:16:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
*
*
*
+ *
+ *
* STRUCTURE */
typedef StrategyTransformMapData *StrategyTransformMap;
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: tupdesc.h,v 1.27 2000/01/31 04:35:54 tgl Exp $
+ * $Id: tupdesc.h,v 1.28 2000/04/12 17:16:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
Form_pg_attribute *attrs;
/* attrs[N] is a pointer to the description of Attribute Number N+1. */
TupleConstr *constr;
-} *TupleDesc;
+} *TupleDesc;
extern TupleDesc CreateTemplateTupleDesc(int natts);
*
* tuptoaster.h
* POSTGRES definitions for external and compressed storage
- * of variable size attributes.
+ * of variable size attributes.
*
* Copyright (c) 2000, PostgreSQL Development Team
*
- * $Id: tuptoaster.h,v 1.1 1999/12/21 00:06:42 wieck Exp $
+ * $Id: tuptoaster.h,v 1.2 2000/04/12 17:16:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "utils/rel.h"
-extern void heap_tuple_toast_attrs(Relation rel,
- HeapTuple newtup, HeapTuple oldtup);
+extern void heap_tuple_toast_attrs(Relation rel,
+ HeapTuple newtup, HeapTuple oldtup);
-extern varattrib *heap_tuple_untoast_attr(varattrib *attr);
+extern varattrib *heap_tuple_untoast_attr(varattrib * attr);
-#endif /* TUPLE_TOASTER_ACTIVE */
+#endif /* TUPLE_TOASTER_ACTIVE */
#endif /* TUPTOASTER_H */
typedef struct XLogRecPtr
{
- uint32 xlogid; /* log file #, 0 based */
- uint32 xrecoff; /* offset of record in log file */
+ uint32 xlogid; /* log file #, 0 based */
+ uint32 xrecoff; /* offset of record in log file */
} XLogRecPtr;
typedef struct XLogRecord
{
- XLogRecPtr xl_prev; /* ptr to previous record in log */
- XLogRecPtr xl_xact_prev; /* ptr to previous record of this xact */
- TransactionId xl_xid; /* xact id */
- uint16 xl_len; /* len of record on this page */
- uint8 xl_info;
- RmgrId xl_rmid; /* resource manager inserted this record */
+ XLogRecPtr xl_prev; /* ptr to previous record in log */
+ XLogRecPtr xl_xact_prev; /* ptr to previous record of this xact */
+ TransactionId xl_xid; /* xact id */
+ uint16 xl_len; /* len of record on this page */
+ uint8 xl_info;
+ RmgrId xl_rmid; /* resource manager inserted this record */
/* ACTUAL LOG DATA FOLLOWS AT END OF STRUCT */
} XLogRecord;
-#define SizeOfXLogRecord DOUBLEALIGN(sizeof(XLogRecord))
-#define MAXLOGRECSZ (2 * BLCKSZ)
+#define SizeOfXLogRecord DOUBLEALIGN(sizeof(XLogRecord))
+#define MAXLOGRECSZ (2 * BLCKSZ)
/*
* When there is no space on current page we continue on the next
* page with subrecord.
*/
typedef struct XLogSubRecord
{
- uint16 xl_len;
- uint8 xl_info;
+ uint16 xl_len;
+ uint8 xl_info;
/* ACTUAL LOG DATA FOLLOWS AT END OF STRUCT */
} XLogSubRecord;
-#define SizeOfXLogSubRecord DOUBLEALIGN(sizeof(XLogSubRecord))
+#define SizeOfXLogSubRecord DOUBLEALIGN(sizeof(XLogSubRecord))
-#define XLR_TO_BE_CONTINUED 0x01
+#define XLR_TO_BE_CONTINUED 0x01
-#define XLOG_PAGE_MAGIC 0x17345168
+#define XLOG_PAGE_MAGIC 0x17345168
typedef struct XLogPageHeaderData
{
uint16 xlp_info;
} XLogPageHeaderData;
-#define SizeOfXLogPHD DOUBLEALIGN(sizeof(XLogPageHeaderData))
+#define SizeOfXLogPHD DOUBLEALIGN(sizeof(XLogPageHeaderData))
typedef XLogPageHeaderData *XLogPageHeader;
-#define XLP_FIRST_IS_SUBRECORD 0x0001
+#define XLP_FIRST_IS_SUBRECORD 0x0001
-extern XLogRecPtr XLogInsert(RmgrId rmid, char *hdr, uint32 hdrlen,
- char *buf, uint32 buflen);
-extern void XLogFlush(XLogRecPtr RecPtr);
+extern XLogRecPtr XLogInsert(RmgrId rmid, char *hdr, uint32 hdrlen,
+ char *buf, uint32 buflen);
+extern void XLogFlush(XLogRecPtr RecPtr);
-#endif /* XLOG_H */
+#endif /* XLOG_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: c.h,v 1.68 2000/04/12 05:29:10 momjian Exp $
+ * $Id: c.h,v 1.69 2000/04/12 17:16:24 momjian Exp $
*
*-------------------------------------------------------------------------
*/
*
*/
#define Trap(condition, exception) \
- { if ((assert_enabled) && (condition)) \
+ do { \
+ if ((assert_enabled) && (condition)) \
ExceptionalCondition(CppAsString(condition), &(exception), \
- (char*)NULL, __FILE__, __LINE__); }
+ (char*)NULL, __FILE__, __LINE__); \
+ } while (0)
/*
* TrapMacro is the same as Trap but it's intended for use in macros:
*
*/
#define LogTrap(condition, exception, printArgs) \
- { if ((assert_enabled) && (condition)) \
+ do { \
+ if ((assert_enabled) && (condition)) \
ExceptionalCondition(CppAsString(condition), &(exception), \
- vararg_format printArgs, __FILE__, __LINE__); }
+ vararg_format printArgs, __FILE__, __LINE__); \
+ } while (0)
/*
* LogTrapMacro is the same as LogTrap but it's intended for use in macros:
* overhead.
*
* We got the 64 number by testing this against the stock memset() on
- * BSD/OS 3.0. Larger values were slower. bjm 1997/09/11
+ * BSD/OS 3.0. Larger values were slower. bjm 1997/09/11
*
- * I think the crossover point could be a good deal higher for
+ * I think the crossover point could be a good deal higher for
* most platforms, actually. tgl 2000-03-19
*/
#define MemSet(start, val, len) \
#ifndef HAVE_SNPRINTF_DECL
extern int snprintf(char *str, size_t count, const char *fmt,...);
+
#endif
#ifndef HAVE_VSNPRINTF_DECL
extern int vsnprintf(char *str, size_t count, const char *fmt, va_list args);
+
#endif
#ifndef HAVE_MEMMOVE
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: catalog.h,v 1.11 2000/04/09 04:43:14 tgl Exp $
+ * $Id: catalog.h,v 1.12 2000/04/12 17:16:27 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern char *relpath(const char *relname);
extern char *relpath_blind(const char *dbname, const char *relname,
- Oid dbid, Oid relid);
+ Oid dbid, Oid relid);
extern bool IsSystemRelationName(const char *relname);
extern bool IsSharedSystemRelationName(const char *relname);
extern Oid newoid(void);
-/*-------------------------------------------------------------------------
+/*-------------------------------------------------------------------------
*
* catversion.h
* "Catalog version number" for Postgres.
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: catversion.h,v 1.19 2000/04/07 13:39:49 thomas Exp $
+ * $Id: catversion.h,v 1.20 2000/04/12 17:16:27 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* catalog changes on the same day...)
*/
-/* yyyymmddN */
-#define CATALOG_VERSION_NO 200004051
+/* yyyymmddN */
+#define CATALOG_VERSION_NO 200004051
#endif
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: heap.h,v 1.28 2000/01/26 05:57:56 momjian Exp $
+ * $Id: heap.h,v 1.29 2000/04/12 17:16:27 momjian Exp $
*
*-------------------------------------------------------------------------
*/
typedef struct RawColumnDefault
{
AttrNumber attnum; /* attribute to attach default to */
- Node *raw_default; /* default value (untransformed parse tree) */
+ Node *raw_default; /* default value (untransformed parse
+ * tree) */
} RawColumnDefault;
-extern Oid RelnameFindRelid(const char *relname);
+extern Oid RelnameFindRelid(const char *relname);
extern Relation heap_create(char *relname, TupleDesc att,
- bool isnoname, bool istemp, bool storage_create);
+ bool isnoname, bool istemp, bool storage_create);
extern bool heap_storage_create(Relation rel);
-extern Oid heap_create_with_catalog(char *relname, TupleDesc tupdesc,
- char relkind, bool istemp);
+extern Oid heap_create_with_catalog(char *relname, TupleDesc tupdesc,
+ char relkind, bool istemp);
extern void heap_drop_with_catalog(const char *relname);
extern void heap_truncate(char *relname);
extern void heap_drop(Relation rel);
extern void AddRelationRawConstraints(Relation rel,
- List *rawColDefaults,
- List *rawConstraints);
+ List *rawColDefaults,
+ List *rawConstraints);
extern void InitNoNameRelList(void);
extern void DropNoNameRels(void);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: index.h,v 1.22 2000/02/18 09:29:19 inoue Exp $
+ * $Id: index.h,v 1.23 2000/04/12 17:16:27 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern bool reindex_index(Oid indexId, bool force);
extern bool activate_indexes_of_a_table(Oid relid, bool activate);
extern bool reindex_relation(Oid relid, bool force);
+
#endif /* INDEX_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: indexing.h,v 1.36 2000/01/26 05:57:56 momjian Exp $
+ * $Id: indexing.h,v 1.37 2000/04/12 17:16:27 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#define Num_pg_opclass_indices 2
#define Num_pg_operator_indices 2
#define Num_pg_proc_indices 2
-#define Num_pg_relcheck_indices 1
+#define Num_pg_relcheck_indices 1
#define Num_pg_rewrite_indices 2
#define Num_pg_shadow_indices 2
#define Num_pg_statistic_indices 1
extern void CatalogOpenIndices(int nIndices, char **names, Relation *idescs);
extern void CatalogCloseIndices(int nIndices, Relation *idescs);
extern void CatalogIndexInsert(Relation *idescs,
- int nIndices,
- Relation heapRelation,
- HeapTuple heapTuple);
+ int nIndices,
+ Relation heapRelation,
+ HeapTuple heapTuple);
extern bool CatalogHasIndex(char *catName, Oid catId);
extern HeapTuple AccessMethodOpidIndexScan(Relation heapRelation,
- Oid claid, Oid opopr, Oid opid);
+ Oid claid, Oid opopr, Oid opid);
extern HeapTuple AccessMethodStrategyIndexScan(Relation heapRelation,
- Oid opid, Oid claid, int2 opstrategy);
+ Oid opid, Oid claid, int2 opstrategy);
extern HeapTuple AggregateNameTypeIndexScan(Relation heapRelation,
- char *aggName, Oid aggType);
+ char *aggName, Oid aggType);
extern HeapTuple AmNameIndexScan(Relation heapRelation, char *amName);
extern HeapTuple AttributeRelidNameIndexScan(Relation heapRelation,
- Oid relid, char *attname);
+ Oid relid, char *attname);
extern HeapTuple AttributeRelidNumIndexScan(Relation heapRelation,
- Oid relid, AttrNumber attnum);
+ Oid relid, AttrNumber attnum);
extern HeapTuple ClassNameIndexScan(Relation heapRelation, char *relName);
extern HeapTuple ClassNameIndexScan(Relation heapRelation, char *relName);
extern HeapTuple ClassOidIndexScan(Relation heapRelation, Oid relId);
extern HeapTuple GroupSysidIndexScan(Relation heapRelation, int4 sysId);
extern HeapTuple IndexRelidIndexScan(Relation heapRelation, Oid relid);
extern HeapTuple InheritsRelidSeqnoIndexScan(Relation heapRelation, Oid relid,
- int4 seqno);
+ int4 seqno);
extern HeapTuple LanguageNameIndexScan(Relation heapRelation, char *lanName);
extern HeapTuple LanguageOidIndexScan(Relation heapRelation, Oid lanId);
extern HeapTuple ListenerRelnamePidIndexScan(Relation heapRelation, char *relName, int4 pid);
extern HeapTuple OpclassDeftypeIndexScan(Relation heapRelation, Oid defType);
extern HeapTuple OpclassNameIndexScan(Relation heapRelation, char *opcName);
extern HeapTuple OperatorNameIndexScan(Relation heapRelation,
- char *oprName, Oid oprLeft, Oid oprRight, char oprKind);
+ char *oprName, Oid oprLeft, Oid oprRight, char oprKind);
extern HeapTuple OperatorOidIndexScan(Relation heapRelation, Oid oprId);
extern HeapTuple ProcedureNameIndexScan(Relation heapRelation,
- char *procName, int2 nargs, Oid *argTypes);
+ char *procName, int2 nargs, Oid *argTypes);
extern HeapTuple ProcedureOidIndexScan(Relation heapRelation, Oid procId);
extern HeapTuple RewriteOidIndexScan(Relation heapRelation, Oid rewriteId);
extern HeapTuple RewriteRulenameIndexScan(Relation heapRelation,
- char *ruleName);
+ char *ruleName);
extern HeapTuple ShadowNameIndexScan(Relation heapRelation, char *useName);
extern HeapTuple ShadowSysidIndexScan(Relation heapRelation, int4 sysId);
extern HeapTuple StatisticRelidAttnumIndexScan(Relation heapRelation,
- Oid relId, AttrNumber attNum);
+ Oid relId, AttrNumber attNum);
extern HeapTuple TypeNameIndexScan(Relation heapRelation, char *typeName);
extern HeapTuple TypeOidIndexScan(Relation heapRelation, Oid typeId);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pg_aggregate.h,v 1.24 2000/03/14 23:06:42 thomas Exp $
+ * $Id: pg_aggregate.h,v 1.25 2000/04/12 17:16:27 momjian Exp $
*
* NOTES
* the genbki.sh script reads this file and generates .bki
DATA(insert OID = 0 ( min PGUID time_smaller - - 1083 1083 0 1083 _null_ _null_ ));
DATA(insert OID = 0 ( min PGUID timetz_smaller - - 1266 1266 0 1266 _null_ _null_ ));
DATA(insert OID = 0 ( min PGUID cashsmaller - - 790 790 0 790 _null_ _null_ ));
-DATA(insert OID = 0 ( min PGUID timestamp_smaller - - 1184 1184 0 1184 _null_ _null_ ));
+DATA(insert OID = 0 ( min PGUID timestamp_smaller - - 1184 1184 0 1184 _null_ _null_ ));
DATA(insert OID = 0 ( min PGUID interval_smaller - - 1186 1186 0 1186 _null_ _null_ ));
DATA(insert OID = 0 ( min PGUID text_smaller - - 25 25 0 25 _null_ _null_ ));
DATA(insert OID = 0 ( min PGUID numeric_smaller - - 1700 1700 0 1700 _null_ _null_ ));
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pg_am.h,v 1.14 2000/02/17 03:39:47 tgl Exp $
+ * $Id: pg_am.h,v 1.15 2000/04/12 17:16:27 momjian Exp $
*
* NOTES
* the genbki.sh script reads this file and generates .bki
{
NameData amname; /* access method name */
int4 amowner; /* usesysid of creator */
- int2 amstrategies; /* total NUMBER of strategies by which
- * we can traverse/search this AM */
- int2 amsupport; /* total NUMBER of support functions
- * that this AM uses */
- int2 amorderstrategy; /* if this AM has a sort order, the
- * strategy number of the sort operator.
- * Zero if AM is not ordered. */
+ int2 amstrategies; /* total NUMBER of strategies by which we
+ * can traverse/search this AM */
+ int2 amsupport; /* total NUMBER of support functions that
+ * this AM uses */
+ int2 amorderstrategy;/* if this AM has a sort order, the
+ * strategy number of the sort operator.
+ * Zero if AM is not ordered. */
regproc amgettuple; /* "next valid tuple" function */
regproc aminsert; /* "insert this tuple" function */
regproc amdelete; /* "delete this tuple" function */
regproc ambuild; /* "build new index" function */
regproc amcreate; /* - deprecated */
regproc amdestroy; /* - deprecated */
- regproc amcostestimate; /* estimate cost of an indexscan */
+ regproc amcostestimate; /* estimate cost of an indexscan */
} FormData_pg_am;
/* ----------------
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pg_amop.h,v 1.32 2000/03/14 23:06:43 thomas Exp $
+ * $Id: pg_amop.h,v 1.33 2000/04/12 17:16:28 momjian Exp $
*
* NOTES
* the genbki.sh script reads this file and generates .bki
DATA(insert OID = 0 ( 403 1690 59 5 ));
/*
- * nbtree lztext
+ * nbtree lztext
*/
DATA(insert OID = 0 ( 403 1663 1659 1 ));
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pg_attribute.h,v 1.54 2000/03/09 05:00:26 inoue Exp $
+ * $Id: pg_attribute.h,v 1.55 2000/04/12 17:16:28 momjian Exp $
*
* NOTES
* the genbki.sh script reads this file and generates .bki
*/
CATALOG(pg_attribute) BOOTSTRAP
{
- Oid attrelid; /* OID of relation containing this attribute */
+ Oid attrelid; /* OID of relation containing this
+ * attribute */
NameData attname;
Oid atttypid;
+
/*
* atttypid is the OID of the instance in Catalog Class pg_type that
* defines the data type of this attribute (e.g. int4). Information
*/
float4 attdisbursion;
+
/*
- * attdisbursion is the disbursion statistic of the column (0.0 to 1.0),
- * or zero if the statistic has not been calculated, or -1.0
- * if VACUUM found that the column contains no duplicate entries
- * (in which case the disbursion should be taken as 1.0/numberOfRows
- * for the current table size). The -1.0 hack is useful because the
- * number of rows may be updated more often than attdisbursion is.
- * We assume that the column will retain its no-duplicate-entry
- * property. (Perhaps this should be driven off the existence of a
- * UNIQUE index for the column, instead of being a statistical guess?)
+ * attdisbursion is the disbursion statistic of the column (0.0 to
+ * 1.0), or zero if the statistic has not been calculated, or -1.0 if
+ * VACUUM found that the column contains no duplicate entries (in
+ * which case the disbursion should be taken as 1.0/numberOfRows for
+ * the current table size). The -1.0 hack is useful because the
+ * number of rows may be updated more often than attdisbursion is. We
+ * assume that the column will retain its no-duplicate-entry property.
+ * (Perhaps this should be driven off the existence of a UNIQUE index
+ * for the column, instead of being a statistical guess?)
*/
int2 attlen;
+
/*
* attlen is a copy of the typlen field from pg_type for this
* attribute. See atttypid above. See struct Form_pg_type for
*/
int2 attnum;
+
/*
* attnum is the "attribute number" for the attribute: A value that
* uniquely identifies this attribute within its class. For user
int4 attnelems; /* number of dimensions, if an array type */
int4 attcacheoff;
+
/*
* fastgetattr() uses attcacheoff to cache byte offsets of attributes
* in heap tuples. The value actually stored in pg_attribute (-1)
*/
int4 atttypmod;
+
/*
- * atttypmod records type-specific data supplied at table creation time
- * (for example, the max length of a varchar field). It is passed to
- * type-specific input and output functions as the third argument.
- * The value will generally be -1 for types that do not need typmod.
+ * atttypmod records type-specific data supplied at table creation
+ * time (for example, the max length of a varchar field). It is
+ * passed to type-specific input and output functions as the third
+ * argument. The value will generally be -1 for types that do not need
+ * typmod.
*/
bool attbyval;
+
/*
* attbyval is a copy of the typbyval field from pg_type for this
* attribute. See atttypid above. See struct Form_pg_type for
* definition.
*/
-
+
char attstorage;
+
/*
- * attstorage tells for VARLENA attributes, what the heap
- * access methods can do to it if a given tuple doesn't fit into
- * a page. Possible values are
- * 'p': Value must be stored plain allways
- * 'e': Value can be stored in "secondary" relation (if relation
- * has rellongrelid attached)
- * 'c': Value can be stored compressed inline
- * 'x': Value can be stored compressed inline or in "secondary".
+ * attstorage tells for VARLENA attributes, what the heap access
+ * methods can do to it if a given tuple doesn't fit into a page.
+ * Possible values are 'p': Value must be stored plain allways 'e':
+ * Value can be stored in "secondary" relation (if relation has
+ * rellongrelid attached) 'c': Value can be stored compressed inline
+ * 'x': Value can be stored compressed inline or in "secondary".
*
* Note: compressed storage
*/
bool attisset;
char attalign;
+
/*
* attalign is a copy of the typalign field from pg_type for this
* attribute. See atttypid above. See struct Form_pg_type for
*/
bool attnotnull;
+
/* This flag represents the "NOT NULL" constraint */
bool atthasdef;
+
/* Has DEFAULT value or not */
} FormData_pg_attribute;
/*
* CONSTANT and MACROS for DROP COLUMN implementation
*/
-#define DROP_COLUMN_OFFSET -20
-#define COLUMN_IS_DROPPED(attribute) ((attribute)->attnum <= DROP_COLUMN_OFFSET)
-#define DROPPED_COLUMN_INDEX(attidx) (DROP_COLUMN_OFFSET - attidx)
-#define ATTRIBUTE_DROP_COLUMN(attribute) \
+#define DROP_COLUMN_OFFSET -20
+#define COLUMN_IS_DROPPED(attribute) ((attribute)->attnum <= DROP_COLUMN_OFFSET)
+#define DROPPED_COLUMN_INDEX(attidx) (DROP_COLUMN_OFFSET - attidx)
+#define ATTRIBUTE_DROP_COLUMN(attribute) \
Assert((attribute)->attnum > 0); \
(attribute)->attnum = DROPPED_COLUMN_INDEX((attribute)->attnum); \
(attribute)->atttypid = (Oid) -1; \
(attribute)->attnotnull = false; \
- (attribute)->atthasdef = false;
-#endif /* _DROP_COLUMN_HACK__ */
+ (attribute)->atthasdef = false;
+#endif /* _DROP_COLUMN_HACK__ */
/* ----------------
* SCHEMA_ macros for declaring hardcoded tuple descriptors.
* these are used in utils/cache/relcache.c
{ 1255, {"pronargs"}, 21, 0, 2, 7, 0, -1, -1, '\001', 'p', '\0', 's', '\0', '\0' }, \
{ 1255, {"proretset"}, 16, 0, 1, 8, 0, -1, -1, '\001', 'p', '\0', 'c', '\0', '\0' }, \
{ 1255, {"prorettype"}, 26, 0, 4, 9, 0, -1, -1, '\001', 'p', '\0', 'i', '\0', '\0' }, \
-{ 1255, {"proargtypes"}, 30, 0, INDEX_MAX_KEYS*4, 10, 0, -1, -1, '\0', 'p', '\0', 'i', '\0', '\0' }, \
+{ 1255, {"proargtypes"}, 30, 0, INDEX_MAX_KEYS*4, 10, 0, -1, -1, '\0', 'p', '\0', 'i', '\0', '\0' }, \
{ 1255, {"probyte_pct"}, 23, 0, 4, 11, 0, -1, -1, '\001', 'p', '\0', 'i', '\0', '\0' }, \
{ 1255, {"properbyte_cpu"}, 23, 0, 4, 12, 0, -1, -1, '\001', 'p', '\0', 'i', '\0', '\0' }, \
{ 1255, {"propercall_cpu"}, 23, 0, 4, 13, 0, -1, -1, '\001', 'p', '\0', 'i', '\0', '\0' }, \
{ 1249, {"attcacheoff"}, 23, 0, 4, 8, 0, -1, -1, '\001', 'p', '\0', 'i', '\0', '\0' }, \
{ 1249, {"atttypmod"}, 23, 0, 4, 9, 0, -1, -1, '\001', 'p', '\0', 'i', '\0', '\0' }, \
{ 1249, {"attbyval"}, 16, 0, 1, 10, 0, -1, -1, '\001', 'p', '\0', 'c', '\0', '\0' }, \
-{ 1249, {"attstorage"}, 18, 0, 1, 11, 0, -1, -1, '\001', 'p', '\0', 'c', '\0', '\0' }, \
+{ 1249, {"attstorage"}, 18, 0, 1, 11, 0, -1, -1, '\001', 'p', '\0', 'c', '\0', '\0' }, \
{ 1249, {"attisset"}, 16, 0, 1, 12, 0, -1, -1, '\001', 'p', '\0', 'c', '\0', '\0' }, \
{ 1249, {"attalign"}, 18, 0, 1, 13, 0, -1, -1, '\001', 'p', '\0', 'c', '\0', '\0' }, \
{ 1249, {"attnotnull"}, 16, 0, 1, 14, 0, -1, -1, '\001', 'p', '\0', 'c', '\0', '\0' }, \
DATA(insert OID = 0 ( 1219 tgdeferrable 16 0 1 9 0 -1 -1 t p f c f f));
DATA(insert OID = 0 ( 1219 tginitdeferred 16 0 1 10 0 -1 -1 t p f c f f));
DATA(insert OID = 0 ( 1219 tgnargs 21 0 2 11 0 -1 -1 t p f s f f));
-DATA(insert OID = 0 ( 1219 tgattr 22 0 INDEX_MAX_KEYS*2 12 0 -1 -1 f p f i f f));
+DATA(insert OID = 0 ( 1219 tgattr 22 0 INDEX_MAX_KEYS*2 12 0 -1 -1 f p f i f f));
DATA(insert OID = 0 ( 1219 tgargs 17 0 -1 13 0 -1 -1 f p f i f f));
DATA(insert OID = 0 ( 1219 ctid 27 0 6 -1 0 -1 -1 f p f i f f));
DATA(insert OID = 0 ( 1219 oid 26 0 4 -2 0 -1 -1 t p f i f f));
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pg_description.h,v 1.10 2000/01/26 05:57:57 momjian Exp $
+ * $Id: pg_description.h,v 1.11 2000/04/12 17:16:28 momjian Exp $
*
* NOTES
* the genbki.sh script reads this file and generates .bki
*/
#endif /* PG_DESCRIPTION_H */
-
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pg_inheritproc.h,v 1.8 2000/01/26 05:57:57 momjian Exp $
+ * $Id: pg_inheritproc.h,v 1.9 2000/04/12 17:16:28 momjian Exp $
*
* NOTES
* the genbki.sh script reads this file and generates .bki
*/
#define Natts_pg_inheritproc 4
#define Anum_pg_inheritproc_inhproname 1
-#define Anum_pg_inheritproc_inhargrelid 2
-#define Anum_pg_inheritproc_inhdefrelid 3
+#define Anum_pg_inheritproc_inhargrelid 2
+#define Anum_pg_inheritproc_inhdefrelid 3
#define Anum_pg_inheritproc_inhproc 4
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pg_opclass.h,v 1.31 2000/03/14 23:06:43 thomas Exp $
+ * $Id: pg_opclass.h,v 1.32 2000/04/12 17:16:28 momjian Exp $
*
* NOTES
* the genbki.sh script reads this file and generates .bki
* (see the README in this directory), so just put zeros
* in, which are invalid OID's anyway. --djm
*/
-DATA(insert OID = 421 ( int2_ops 21 ));
+DATA(insert OID = 421 ( int2_ops 21 ));
DESCR("");
-DATA(insert OID = 422 ( box_ops 603 ));
+DATA(insert OID = 422 ( box_ops 603 ));
DESCR("");
-DATA(insert OID = 423 ( float8_ops 701 ));
+DATA(insert OID = 423 ( float8_ops 701 ));
DESCR("");
-DATA(insert OID = 424 ( int24_ops 0 ));
+DATA(insert OID = 424 ( int24_ops 0 ));
DESCR("");
-DATA(insert OID = 425 ( int42_ops 0 ));
+DATA(insert OID = 425 ( int42_ops 0 ));
DESCR("");
-DATA(insert OID = 426 ( int4_ops 23 ));
+DATA(insert OID = 426 ( int4_ops 23 ));
DESCR("");
#define INT4_OPS_OID 426
-DATA(insert OID = 427 ( oid_ops 26 ));
+DATA(insert OID = 427 ( oid_ops 26 ));
DESCR("");
-DATA(insert OID = 428 ( float4_ops 700 ));
+DATA(insert OID = 428 ( float4_ops 700 ));
DESCR("");
-DATA(insert OID = 429 ( char_ops 18 ));
+DATA(insert OID = 429 ( char_ops 18 ));
DESCR("");
-DATA(insert OID = 431 ( text_ops 25 ));
+DATA(insert OID = 431 ( text_ops 25 ));
DESCR("");
-DATA(insert OID = 432 ( abstime_ops 702 ));
+DATA(insert OID = 432 ( abstime_ops 702 ));
DESCR("");
-DATA(insert OID = 433 ( bigbox_ops 603 ));
+DATA(insert OID = 433 ( bigbox_ops 603 ));
DESCR("");
-DATA(insert OID = 434 ( poly_ops 604 ));
+DATA(insert OID = 434 ( poly_ops 604 ));
DESCR("");
-DATA(insert OID = 435 ( oidvector_ops 30 ));
+DATA(insert OID = 435 ( oidvector_ops 30 ));
DESCR("");
-DATA(insert OID = 714 ( circle_ops 718 ));
+DATA(insert OID = 714 ( circle_ops 718 ));
DESCR("");
-DATA(insert OID = 754 ( int8_ops 20 ));
+DATA(insert OID = 754 ( int8_ops 20 ));
DESCR("");
-DATA(insert OID = 1076 ( bpchar_ops 1042 ));
+DATA(insert OID = 1076 ( bpchar_ops 1042 ));
DESCR("");
DATA(insert OID = 1077 ( varchar_ops 1043 ));
DESCR("");
-DATA(insert OID = 1114 ( date_ops 1082 ));
+DATA(insert OID = 1114 ( date_ops 1082 ));
DESCR("");
-DATA(insert OID = 1115 ( time_ops 1083 ));
+DATA(insert OID = 1115 ( time_ops 1083 ));
DESCR("");
-DATA(insert OID = 1181 ( name_ops 19 ));
+DATA(insert OID = 1181 ( name_ops 19 ));
DESCR("");
DATA(insert OID = 1312 ( timestamp_ops 1184 ));
DESCR("");
DATA(insert OID = 1313 ( interval_ops 1186 ));
DESCR("");
-DATA(insert OID = 810 ( macaddr_ops 829 ));
+DATA(insert OID = 810 ( macaddr_ops 829 ));
DESCR("");
-DATA(insert OID = 935 ( inet_ops 869 ));
+DATA(insert OID = 935 ( inet_ops 869 ));
DESCR("");
-DATA(insert OID = 652 ( cidr_ops 650 ));
+DATA(insert OID = 652 ( cidr_ops 650 ));
DESCR("");
DATA(insert OID = 1768 ( numeric_ops 1700 ));
DESCR("");
-DATA(insert OID = 1663 ( lztext_ops 1625 ));
+DATA(insert OID = 1663 ( lztext_ops 1625 ));
DESCR("");
-DATA(insert OID = 1690 ( bool_ops 16 ));
+DATA(insert OID = 1690 ( bool_ops 16 ));
DESCR("");
-DATA(insert OID = 1399 ( timetz_ops 1266 ));
+DATA(insert OID = 1399 ( timetz_ops 1266 ));
DESCR("");
#endif /* PG_OPCLASS_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pg_operator.h,v 1.74 2000/04/08 02:13:00 thomas Exp $
+ * $Id: pg_operator.h,v 1.75 2000/04/12 17:16:29 momjian Exp $
*
* NOTES
* the genbki.sh script reads this file and generates .bki
DATA(insert OID = 400 ( "=" PGUID 0 b t f 1027 1027 16 400 0 0 0 array_eq eqsel eqjoinsel ));
DATA(insert OID = 401 ( "=" PGUID 0 b t f 1034 1034 16 401 0 0 0 array_eq eqsel eqjoinsel ));
-DATA(insert OID = 387 ( "=" PGUID 0 b t t 27 27 16 387 0 0 0 tideq eqsel eqjoinsel ));
+DATA(insert OID = 387 ( "=" PGUID 0 b t t 27 27 16 387 0 0 0 tideq eqsel eqjoinsel ));
#define TIDEqualOperator 387
DATA(insert OID = 388 ( "!" PGUID 0 r t f 20 0 20 0 0 0 0 int8fac - - ));
DATA(insert OID = 389 ( "!!" PGUID 0 l t f 0 20 20 0 0 0 0 int8fac - - ));
DATA(insert OID = 1284 ( "|" PGUID 0 l t f 0 704 702 0 0 0 0 tintervalstart - - ));
DATA(insert OID = 606 ( "<#>" PGUID 0 b t f 702 702 704 0 0 0 0 mktinterval - - ));
DATA(insert OID = 607 ( "=" PGUID 0 b t t 26 26 16 607 608 609 609 oideq eqsel eqjoinsel ));
-#define MIN_OIDCMP 607 /* used by cache code */
+#define MIN_OIDCMP 607 /* used by cache code */
DATA(insert OID = 608 ( "<>" PGUID 0 b t f 26 26 16 608 607 0 0 oidne neqsel neqjoinsel ));
DATA(insert OID = 609 ( "<" PGUID 0 b t f 26 26 16 610 612 0 0 int4lt scalarltsel scalarltjoinsel ));
DATA(insert OID = 610 ( ">" PGUID 0 b t f 26 26 16 609 611 0 0 int4gt scalargtsel scalargtjoinsel ));
DATA(insert OID = 611 ( "<=" PGUID 0 b t f 26 26 16 612 610 0 0 int4le scalarltsel scalarltjoinsel ));
DATA(insert OID = 612 ( ">=" PGUID 0 b t f 26 26 16 611 609 0 0 int4ge scalargtsel scalargtjoinsel ));
-#define MAX_OIDCMP 612 /* used by cache code */
+#define MAX_OIDCMP 612 /* used by cache code */
DATA(insert OID = 644 ( "<>" PGUID 0 b t f 30 30 16 644 649 0 0 oidvectorne neqsel neqjoinsel ));
DATA(insert OID = 645 ( "<" PGUID 0 b t f 30 30 16 646 648 0 0 oidvectorlt - - ));
DATA(insert OID = 1135 ( ">=" PGUID 0 b t f 701 700 16 1124 1132 0 0 float84ge scalargtsel scalargtjoinsel ));
/* int4 and oid equality */
-DATA(insert OID = 1136 ( "=" PGUID 0 b t t 23 26 16 1137 0 0 0 int4eqoid eqsel eqjoinsel ));
-DATA(insert OID = 1137 ( "=" PGUID 0 b t t 26 23 16 1136 0 0 0 oideqint4 eqsel eqjoinsel ));
+DATA(insert OID = 1136 ( "=" PGUID 0 b t t 23 26 16 1137 0 0 0 int4eqoid eqsel eqjoinsel ));
+DATA(insert OID = 1137 ( "=" PGUID 0 b t t 26 23 16 1136 0 0 0 oideqint4 eqsel eqjoinsel ));
-DATA(insert OID = 1158 ( "!" PGUID 0 r t f 21 0 23 0 0 0 0 int2fac - - ));
-DATA(insert OID = 1175 ( "!!" PGUID 0 l t f 0 21 23 0 0 0 0 int2fac - - ));
+DATA(insert OID = 1158 ( "!" PGUID 0 r t f 21 0 23 0 0 0 0 int2fac - - ));
+DATA(insert OID = 1175 ( "!!" PGUID 0 l t f 0 21 23 0 0 0 0 int2fac - - ));
/* LIKE hacks by Keith Parks. */
DATA(insert OID = 1207 ( "~~" PGUID 0 b t f 19 25 16 0 1208 0 0 namelike eqsel eqjoinsel ));
DATA(insert OID = 1204 ( "<=" PGUID 0 b t f 869 869 16 1206 1205 0 0 network_le scalarltsel scalarltjoinsel ));
DATA(insert OID = 1205 ( ">" PGUID 0 b t f 869 869 16 1203 1204 0 0 network_gt scalargtsel scalargtjoinsel ));
DATA(insert OID = 1206 ( ">=" PGUID 0 b t f 869 869 16 1204 1203 0 0 network_ge scalargtsel scalargtjoinsel ));
-DATA(insert OID = 931 ( "<<" PGUID 0 b t f 869 869 16 933 0 0 0 network_sub - - ));
-DATA(insert OID = 932 ( "<<=" PGUID 0 b t f 869 869 16 934 0 0 0 network_subeq - - ));
-DATA(insert OID = 933 ( ">>" PGUID 0 b t f 869 869 16 931 0 0 0 network_sup - - ));
-DATA(insert OID = 934 ( ">>=" PGUID 0 b t f 869 869 16 932 0 0 0 network_supeq - - ));
+DATA(insert OID = 931 ( "<<" PGUID 0 b t f 869 869 16 933 0 0 0 network_sub - - ));
+DATA(insert OID = 932 ( "<<=" PGUID 0 b t f 869 869 16 934 0 0 0 network_subeq - - ));
+DATA(insert OID = 933 ( ">>" PGUID 0 b t f 869 869 16 931 0 0 0 network_sup - - ));
+DATA(insert OID = 934 ( ">>=" PGUID 0 b t f 869 869 16 932 0 0 0 network_supeq - - ));
/* CIDR type */
DATA(insert OID = 820 ( "=" PGUID 0 b t f 650 650 16 820 821 0 0 network_eq eqsel eqjoinsel ));
DATA(insert OID = 1004 ( ">>=" PGUID 0 b t f 650 650 16 827 0 0 0 network_supeq - - ));
/* NUMERIC type - OID's 1700-1799 */
-DATA(insert OID = 1751 ( "-" PGUID 0 l t f 0 1700 1700 0 0 0 0 numeric_uminus - - ));
+DATA(insert OID = 1751 ( "-" PGUID 0 l t f 0 1700 1700 0 0 0 0 numeric_uminus - - ));
DATA(insert OID = 1752 ( "=" PGUID 0 b t f 1700 1700 16 1752 1753 1754 1754 numeric_eq eqsel eqjoinsel ));
DATA(insert OID = 1753 ( "<>" PGUID 0 b t f 1700 1700 16 1753 1752 0 0 numeric_ne neqsel neqjoinsel ));
DATA(insert OID = 1754 ( "<" PGUID 0 b t f 1700 1700 16 1756 1757 0 0 numeric_lt scalarltsel scalarltjoinsel ));
DATA(insert OID = 1763 ( "@" PGUID 0 l t f 0 1700 1700 0 0 0 0 numeric_abs - - ));
/* LZTEXT type */
-DATA(insert OID = 1657 ( "=" PGUID 0 b t f 1625 1625 16 1657 1658 1659 1659 lztext_eq eqsel eqjoinsel ));
-DATA(insert OID = 1658 ( "<>" PGUID 0 b t f 1625 1625 16 1658 1657 0 0 lztext_ne neqsel neqjoinsel ));
-DATA(insert OID = 1659 ( "<" PGUID 0 b t f 1625 1625 16 1661 1662 0 0 lztext_lt intltsel intltjoinsel ));
-DATA(insert OID = 1660 ( "<=" PGUID 0 b t f 1625 1625 16 1662 1661 0 0 lztext_le intltsel intltjoinsel ));
-DATA(insert OID = 1661 ( ">" PGUID 0 b t f 1625 1625 16 1659 1660 0 0 lztext_gt intgtsel intgtjoinsel ));
-DATA(insert OID = 1662 ( ">=" PGUID 0 b t f 1625 1625 16 1660 1659 0 0 lztext_ge intgtsel intgtjoinsel ));
+DATA(insert OID = 1657 ( "=" PGUID 0 b t f 1625 1625 16 1657 1658 1659 1659 lztext_eq eqsel eqjoinsel ));
+DATA(insert OID = 1658 ( "<>" PGUID 0 b t f 1625 1625 16 1658 1657 0 0 lztext_ne neqsel neqjoinsel ));
+DATA(insert OID = 1659 ( "<" PGUID 0 b t f 1625 1625 16 1661 1662 0 0 lztext_lt intltsel intltjoinsel ));
+DATA(insert OID = 1660 ( "<=" PGUID 0 b t f 1625 1625 16 1662 1661 0 0 lztext_le intltsel intltjoinsel ));
+DATA(insert OID = 1661 ( ">" PGUID 0 b t f 1625 1625 16 1659 1660 0 0 lztext_gt intgtsel intgtjoinsel ));
+DATA(insert OID = 1662 ( ">=" PGUID 0 b t f 1625 1625 16 1660 1659 0 0 lztext_ge intgtsel intgtjoinsel ));
DATA(insert OID = 1784 ( "=" PGUID 0 b t f 1560 1560 16 1784 1785 1786 1786 biteq eqsel eqjoinsel ));
DATA(insert OID = 1785 ( "<>" PGUID 0 b t f 1560 1560 16 1785 1784 0 0 bitne neqsel neqjoinsel ));
DATA(insert OID = 1787 ( ">" PGUID 0 b t f 1560 1560 16 1786 1788 0 0 bitgt intgtsel intgtjoinsel ));
DATA(insert OID = 1788 ( "<=" PGUID 0 b t f 1560 1560 16 1789 1787 0 0 bitle intltsel intltjoinsel ));
DATA(insert OID = 1789 ( ">=" PGUID 0 b t f 1560 1560 16 1788 1786 0 0 bitge intgtsel intgtjoinsel ));
-DATA(insert OID = 1790 ( "<=>" PGUID 0 b t f 1560 1560 23 0 0 0 0 bitcmp - - ));
+DATA(insert OID = 1790 ( "<=>" PGUID 0 b t f 1560 1560 23 0 0 0 0 bitcmp - - ));
DATA(insert OID = 1791 ( "&" PGUID 0 b t f 1560 1560 1560 0 0 0 0 bitand - - ));
DATA(insert OID = 1792 ( "|" PGUID 0 b t f 1560 1560 1560 0 0 0 0 bitor - - ));
DATA(insert OID = 1793 ( "^" PGUID 0 b t f 1560 1560 1560 0 0 0 0 bitxor - - ));
DATA(insert OID = 1807 ( ">" PGUID 0 b t f 1562 1562 16 1806 1808 0 0 varbitgt intgtsel intgtjoinsel ));
DATA(insert OID = 1808 ( "<=" PGUID 0 b t f 1562 1562 16 1809 1807 0 0 varbitle intltsel intltjoinsel ));
DATA(insert OID = 1809 ( ">=" PGUID 0 b t f 1562 1562 16 1808 1806 0 0 varbitge intgtsel intgtjoinsel ));
-DATA(insert OID = 1810 ( "<=>" PGUID 0 b t f 1562 1562 23 0 0 0 0 varbitcmp - - ));
+DATA(insert OID = 1810 ( "<=>" PGUID 0 b t f 1562 1562 23 0 0 0 0 varbitcmp - - ));
DATA(insert OID = 1811 ( "&" PGUID 0 b t f 1562 1562 1562 0 0 0 0 varbitand - - ));
DATA(insert OID = 1812 ( "|" PGUID 0 b t f 1562 1562 1562 0 0 0 0 varbitor - - ));
DATA(insert OID = 1813 ( "^" PGUID 0 b t f 1562 1562 1562 0 0 0 0 varbitxor - - ));
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pg_proc.h,v 1.131 2000/04/08 02:13:00 thomas Exp $
+ * $Id: pg_proc.h,v 1.132 2000/04/12 17:16:29 momjian Exp $
*
* NOTES
* The script catalog/genbki.sh reads this file and generates .bki
/* keep the following ordered by OID so that later changes can be made easier */
/* OIDS 1 - 99 */
-DATA(insert OID = 12 ( update_pg_pwd PGUID 11 f t f 0 f 0 "" 100 0 0 100 update_pg_pwd - ));
+DATA(insert OID = 12 ( update_pg_pwd PGUID 11 f t f 0 f 0 "" 100 0 0 100 update_pg_pwd - ));
DESCR("update pg_pwd file");
DATA(insert OID = 1242 ( boolin PGUID 11 f t t 1 f 16 "0" 100 0 0 100 boolin - ));
DESCR("r-tree");
DATA(insert OID = 195 ( rt_box_size PGUID 11 f t t 2 f 700 "603 700" 100 0 0 100 rt_box_size - ));
DESCR("r-tree");
-DATA(insert OID = 196 ( rt_bigbox_size PGUID 11 f t t 2 f 700 "603 700" 100 0 0 100 rt_bigbox_size - ));
+DATA(insert OID = 196 ( rt_bigbox_size PGUID 11 f t t 2 f 700 "603 700" 100 0 0 100 rt_bigbox_size - ));
DESCR("r-tree");
DATA(insert OID = 197 ( rt_poly_union PGUID 11 f t t 2 f 604 "604 604" 100 0 0 100 rt_poly_union - ));
DESCR("r-tree");
DESCR("less-than");
DATA(insert OID = 265 ( tintervalov PGUID 11 f t f 2 f 16 "704 704" 100 0 0 100 tintervalov - ));
DESCR("overlaps");
-DATA(insert OID = 266 ( tintervalleneq PGUID 11 f t f 2 f 16 "704 703" 100 0 0 100 tintervalleneq - ));
+DATA(insert OID = 266 ( tintervalleneq PGUID 11 f t f 2 f 16 "704 703" 100 0 0 100 tintervalleneq - ));
DESCR("length equal");
-DATA(insert OID = 267 ( tintervallenne PGUID 11 f t f 2 f 16 "704 703" 100 0 0 100 tintervallenne - ));
+DATA(insert OID = 267 ( tintervallenne PGUID 11 f t f 2 f 16 "704 703" 100 0 0 100 tintervallenne - ));
DESCR("length not equal to");
-DATA(insert OID = 268 ( tintervallenlt PGUID 11 f t f 2 f 16 "704 703" 100 0 0 100 tintervallenlt - ));
+DATA(insert OID = 268 ( tintervallenlt PGUID 11 f t f 2 f 16 "704 703" 100 0 0 100 tintervallenlt - ));
DESCR("length less-than");
-DATA(insert OID = 269 ( tintervallengt PGUID 11 f t f 2 f 16 "704 703" 100 0 0 100 tintervallengt - ));
+DATA(insert OID = 269 ( tintervallengt PGUID 11 f t f 2 f 16 "704 703" 100 0 0 100 tintervallengt - ));
DESCR("length greater-than");
-DATA(insert OID = 270 ( tintervallenle PGUID 11 f t f 2 f 16 "704 703" 100 0 0 100 tintervallenle - ));
+DATA(insert OID = 270 ( tintervallenle PGUID 11 f t f 2 f 16 "704 703" 100 0 0 100 tintervallenle - ));
DESCR("length less-than-or-equal");
-DATA(insert OID = 271 ( tintervallenge PGUID 11 f t f 2 f 16 "704 703" 100 0 0 100 tintervallenge - ));
+DATA(insert OID = 271 ( tintervallenge PGUID 11 f t f 2 f 16 "704 703" 100 0 0 100 tintervallenge - ));
DESCR("length greater-than-or-equal");
-DATA(insert OID = 272 ( tintervalstart PGUID 11 f t f 1 f 702 "704" 100 0 0 100 tintervalstart - ));
+DATA(insert OID = 272 ( tintervalstart PGUID 11 f t f 1 f 702 "704" 100 0 0 100 tintervalstart - ));
DESCR("start of interval");
DATA(insert OID = 273 ( tintervalend PGUID 11 f t f 1 f 702 "704" 100 0 0 100 tintervalend - ));
DESCR("");
DESCR("is left of");
DATA(insert OID = 342 ( poly_overleft PGUID 11 f t t 2 f 16 "604 604" 100 0 1 0 poly_overleft - ));
DESCR("overlaps, but does not extend to right of");
-DATA(insert OID = 343 ( poly_overright PGUID 11 f t t 2 f 16 "604 604" 100 0 1 0 poly_overright - ));
+DATA(insert OID = 343 ( poly_overright PGUID 11 f t t 2 f 16 "604 604" 100 0 1 0 poly_overright - ));
DESCR("overlaps, but does not extend to left of");
DATA(insert OID = 344 ( poly_right PGUID 11 f t t 2 f 16 "604 604" 100 0 1 0 poly_right - ));
DESCR("is left of");
-DATA(insert OID = 345 ( poly_contained PGUID 11 f t t 2 f 16 "604 604" 100 0 1 0 poly_contained - ));
+DATA(insert OID = 345 ( poly_contained PGUID 11 f t t 2 f 16 "604 604" 100 0 1 0 poly_contained - ));
DESCR("contained in");
DATA(insert OID = 346 ( poly_overlap PGUID 11 f t t 2 f 16 "604 604" 100 0 1 0 poly_overlap - ));
DESCR("overlaps");
DESCR("btree less-equal-greater");
DATA(insert OID = 356 ( btoidcmp PGUID 11 f t t 2 f 23 "26 26" 100 0 0 100 btoidcmp - ));
DESCR("btree less-equal-greater");
-DATA(insert OID = 404 ( btoidvectorcmp PGUID 11 f t t 2 f 23 "30 30" 100 0 0 100 btoidvectorcmp - ));
+DATA(insert OID = 404 ( btoidvectorcmp PGUID 11 f t t 2 f 23 "30 30" 100 0 0 100 btoidvectorcmp - ));
DESCR("btree less-equal-greater");
DATA(insert OID = 357 ( btabstimecmp PGUID 11 f t f 2 f 23 "702 702" 100 0 0 100 btabstimecmp - ));
DESCR("btree less-equal-greater");
DESCR("closest point on box");
DATA(insert OID = 368 ( close_sb PGUID 11 f t t 2 f 600 "601 603" 100 0 0 100 close_sb - ));
DESCR("closest point to line segment on box");
-DATA(insert OID = 369 ( on_ps PGUID 11 f t t 2 f 16 "600 601" 100 0 0 100 on_ps - ));
+DATA(insert OID = 369 ( on_ps PGUID 11 f t t 2 f 16 "600 601" 100 0 0 100 on_ps - ));
DESCR("point contained in segment");
DATA(insert OID = 370 ( path_distance PGUID 11 f t t 2 f 701 "602 602" 100 0 1 0 path_distance - ));
DESCR("distance between paths");
DESCR("vertical?");
DATA(insert OID = 990 ( point_horiz PGUID 11 f t t 2 f 16 "600 600" 100 0 0 100 point_horiz - ));
DESCR("horizontal?");
-DATA(insert OID = 991 ( point_distance PGUID 11 f t t 2 f 701 "600 600" 100 0 0 100 point_distance - ));
+DATA(insert OID = 991 ( point_distance PGUID 11 f t t 2 f 701 "600 600" 100 0 0 100 point_distance - ));
DESCR("distance between");
DATA(insert OID = 992 ( slope PGUID 11 f t t 2 f 701 "600 600" 100 0 0 100 point_slope - ));
DESCR("slope between points");
DATA(insert OID = 993 ( lseg PGUID 11 f t t 2 f 601 "600 600" 100 0 0 100 lseg_construct - ));
DESCR("convert points to line segment");
-DATA(insert OID = 994 ( lseg_intersect PGUID 11 f t t 2 f 16 "601 601" 100 0 0 100 lseg_intersect - ));
+DATA(insert OID = 994 ( lseg_intersect PGUID 11 f t t 2 f 16 "601 601" 100 0 0 100 lseg_intersect - ));
DESCR("intersects?");
DATA(insert OID = 995 ( lseg_parallel PGUID 11 f t t 2 f 16 "601 601" 100 0 0 100 lseg_parallel - ));
DESCR("parallel?");
DATA(insert OID = 1150 ( timestamp_in PGUID 11 f t f 1 f 1184 "0" 100 0 0 100 timestamp_in - ));
DESCR("(internal)");
-DATA(insert OID = 1151 ( timestamp_out PGUID 11 f t f 1 f 23 "0" 100 0 0 100 timestamp_out - ));
+DATA(insert OID = 1151 ( timestamp_out PGUID 11 f t f 1 f 23 "0" 100 0 0 100 timestamp_out - ));
DESCR("(internal)");
DATA(insert OID = 1152 ( timestamp_eq PGUID 11 f t f 2 f 16 "1184 1184" 100 0 0 100 timestamp_eq - ));
DESCR("equal");
DESCR("greater-than");
DATA(insert OID = 1168 ( interval_um PGUID 11 f t f 1 f 1186 "1186" 100 0 0 100 interval_um - ));
DESCR("subtract");
-DATA(insert OID = 1169 ( interval_pl PGUID 11 f t f 2 f 1186 "1186 1186" 100 0 0 100 interval_pl - ));
+DATA(insert OID = 1169 ( interval_pl PGUID 11 f t f 2 f 1186 "1186 1186" 100 0 0 100 interval_pl - ));
DESCR("addition");
-DATA(insert OID = 1170 ( interval_mi PGUID 11 f t f 2 f 1186 "1186 1186" 100 0 0 100 interval_mi - ));
+DATA(insert OID = 1170 ( interval_mi PGUID 11 f t f 2 f 1186 "1186 1186" 100 0 0 100 interval_mi - ));
DESCR("subtract");
DATA(insert OID = 1171 ( date_part PGUID 11 f t f 2 f 701 "25 1184" 100 0 0 100 timestamp_part - ));
DESCR("extract field from timestamp");
DATA(insert OID = 1172 ( date_part PGUID 11 f t f 2 f 701 "25 1186" 100 0 0 100 interval_part - ));
DESCR("extract field from interval");
-DATA(insert OID = 1173 ( timestamp PGUID 11 f t f 1 f 1184 "702" 100 0 0 100 abstime_timestamp - ));
+DATA(insert OID = 1173 ( timestamp PGUID 11 f t f 1 f 1184 "702" 100 0 0 100 abstime_timestamp - ));
DESCR("convert abstime to timestamp");
DATA(insert OID = 1174 ( timestamp PGUID 11 f t f 1 f 1184 "1082" 100 0 0 100 date_timestamp - ));
DESCR("convert date to timestamp");
-DATA(insert OID = 1176 ( timestamp PGUID 11 f t f 2 f 1184 "1082 1083" 100 0 0 100 datetime_timestamp - ));
+DATA(insert OID = 1176 ( timestamp PGUID 11 f t f 2 f 1184 "1082 1083" 100 0 0 100 datetime_timestamp - ));
DESCR("convert date and time to timestamp");
-DATA(insert OID = 1177 ( interval PGUID 11 f t f 1 f 1186 "703" 100 0 0 100 reltime_interval - ));
+DATA(insert OID = 1177 ( interval PGUID 11 f t f 1 f 1186 "703" 100 0 0 100 reltime_interval - ));
DESCR("convert reltime to interval");
DATA(insert OID = 1178 ( date PGUID 11 f t f 1 f 1082 "1184" 100 0 0 100 timestamp_date - ));
DESCR("convert timestamp to date");
-DATA(insert OID = 1179 ( date PGUID 11 f t f 1 f 1082 "702" 100 0 0 100 abstime_date - ));
+DATA(insert OID = 1179 ( date PGUID 11 f t f 1 f 1082 "702" 100 0 0 100 abstime_date - ));
DESCR("convert abstime to date");
DATA(insert OID = 1180 ( abstime PGUID 11 f t f 1 f 702 "1184" 100 0 0 100 timestamp_abstime - ));
DESCR("convert timestamp to abstime");
DATA(insert OID = 1188 ( timestamp_mi PGUID 11 f t f 2 f 1186 "1184 1184" 100 0 0 100 timestamp_mi - ));
DESCR("subtract");
-DATA(insert OID = 1189 ( timestamp_pl_span PGUID 11 f t f 2 f 1184 "1184 1186" 100 0 0 100 timestamp_pl_span - ));
+DATA(insert OID = 1189 ( timestamp_pl_span PGUID 11 f t f 2 f 1184 "1184 1186" 100 0 0 100 timestamp_pl_span - ));
DESCR("plus");
-DATA(insert OID = 1190 ( timestamp_mi_span PGUID 11 f t f 2 f 1184 "1184 1186" 100 0 0 100 timestamp_mi_span - ));
+DATA(insert OID = 1190 ( timestamp_mi_span PGUID 11 f t f 2 f 1184 "1184 1186" 100 0 0 100 timestamp_mi_span - ));
DESCR("minus");
DATA(insert OID = 1191 ( timestamp PGUID 11 f t f 1 f 1184 "25" 100 0 0 100 text_timestamp - ));
DESCR("convert text to timestamp");
-DATA(insert OID = 1192 ( text PGUID 11 f t f 1 f 25 "1184" 100 0 0 100 timestamp_text - ));
+DATA(insert OID = 1192 ( text PGUID 11 f t f 1 f 25 "1184" 100 0 0 100 timestamp_text - ));
DESCR("convert timestamp to text");
-DATA(insert OID = 1193 ( text PGUID 11 f t f 1 f 25 "1186" 100 0 0 100 interval_text - ));
+DATA(insert OID = 1193 ( text PGUID 11 f t f 1 f 25 "1186" 100 0 0 100 interval_text - ));
DESCR("convert interval to text");
-DATA(insert OID = 1194 ( reltime PGUID 11 f t f 1 f 703 "1186" 100 0 0 100 interval_reltime - ));
+DATA(insert OID = 1194 ( reltime PGUID 11 f t f 1 f 703 "1186" 100 0 0 100 interval_reltime - ));
DESCR("convert interval to reltime");
-DATA(insert OID = 1195 ( timestamp_smaller PGUID 11 f t f 2 f 1184 "1184 1184" 100 0 0 100 timestamp_smaller - ));
+DATA(insert OID = 1195 ( timestamp_smaller PGUID 11 f t f 2 f 1184 "1184 1184" 100 0 0 100 timestamp_smaller - ));
DESCR("smaller of two");
DATA(insert OID = 1196 ( timestamp_larger PGUID 11 f t f 2 f 1184 "1184 1184" 100 0 0 100 timestamp_larger - ));
DESCR("larger of two");
DATA(insert OID = 1197 ( interval_smaller PGUID 11 f t f 2 f 1186 "1186 1186" 100 0 0 100 interval_smaller - ));
DESCR("smaller of two");
-DATA(insert OID = 1198 ( interval_larger PGUID 11 f t f 2 f 1186 "1186 1186" 100 0 0 100 interval_larger - ));
+DATA(insert OID = 1198 ( interval_larger PGUID 11 f t f 2 f 1186 "1186 1186" 100 0 0 100 interval_larger - ));
DESCR("larger of two");
-DATA(insert OID = 1199 ( age PGUID 11 f t f 2 f 1186 "1184 1184" 100 0 0 100 timestamp_age - ));
+DATA(insert OID = 1199 ( age PGUID 11 f t f 2 f 1186 "1184 1184" 100 0 0 100 timestamp_age - ));
DESCR("date difference preserving months and years");
/* OIDS 1200 - 1299 */
DATA(insert OID = 1271 ( overlaps PGUID 11 f t t 4 f 16 "1266 1266 1266 1266" 100 0 1 0 overlaps_timetz - ));
DESCR("SQL92 interval comparison");
-DATA(insert OID = 1272 ( datetime_pl PGUID 11 f t f 2 f 1184 "1082 1083" 100 0 0 100 datetime_timestamp - ));
+DATA(insert OID = 1272 ( datetime_pl PGUID 11 f t f 2 f 1184 "1082 1083" 100 0 0 100 datetime_timestamp - ));
DESCR("convert date and time to timestamp");
DATA(insert OID = 1274 ( int84pl PGUID 11 f t t 2 f 20 "20 23" 100 0 0 100 int84pl - ));
DATA(insert OID = 1294 ( currtid2 PGUID 11 f t f 2 f 27 "25 27" 100 0 0 100 currtid_byrelname - ));
DESCR("latest tid of a tuple");
-DATA(insert OID = 1296 ( timedate_pl PGUID 14 f t f 2 f 1184 "1083 1082" 100 0 0 100 "select datetime_pl($2, $1)" - ));
+DATA(insert OID = 1296 ( timedate_pl PGUID 14 f t f 2 f 1184 "1083 1082" 100 0 0 100 "select datetime_pl($2, $1)" - ));
DESCR("convert time and date to timestamp");
-DATA(insert OID = 1297 ( datetimetz_pl PGUID 11 f t f 2 f 1184 "1082 1266" 100 0 0 100 datetimetz_timestamp - ));
+DATA(insert OID = 1297 ( datetimetz_pl PGUID 11 f t f 2 f 1184 "1082 1266" 100 0 0 100 datetimetz_timestamp - ));
DESCR("convert date and time with time zone to timestamp");
-DATA(insert OID = 1298 ( timetzdate_pl PGUID 14 f t f 2 f 1184 "1266 1082" 100 0 0 100 "select datetimetz_pl($2, $1)" - ));
+DATA(insert OID = 1298 ( timetzdate_pl PGUID 14 f t f 2 f 1184 "1266 1082" 100 0 0 100 "select datetimetz_pl($2, $1)" - ));
DESCR("convert time with time zone and date to timestamp");
DATA(insert OID = 1299 ( now PGUID 11 f t f 0 f 1184 "0" 100 0 0 100 now - ));
DESCR("current transaction time");
DATA(insert OID = 1303 ( contjoinsel PGUID 11 f t f 5 f 701 "26 26 21 26 21" 100 0 0 100 contjoinsel - ));
DESCR("join selectivity for containment comparison operators");
-DATA(insert OID = 1304 ( overlaps PGUID 11 f t t 4 f 16 "1184 1184 1184 1184" 100 0 1 0 overlaps_timestamp - ));
+DATA(insert OID = 1304 ( overlaps PGUID 11 f t t 4 f 16 "1184 1184 1184 1184" 100 0 1 0 overlaps_timestamp - ));
DESCR("SQL92 interval comparison");
-DATA(insert OID = 1305 ( overlaps PGUID 14 f t t 4 f 16 "1184 1186 1184 1186" 100 0 1 0 "select overlaps($1, ($1 + $2), $3, ($3 + $4))" - ));
+DATA(insert OID = 1305 ( overlaps PGUID 14 f t t 4 f 16 "1184 1186 1184 1186" 100 0 1 0 "select overlaps($1, ($1 + $2), $3, ($3 + $4))" - ));
DESCR("SQL92 interval comparison");
-DATA(insert OID = 1306 ( overlaps PGUID 14 f t t 4 f 16 "1184 1184 1184 1186" 100 0 1 0 "select overlaps($1, $2, $3, ($3 + $4))" - ));
+DATA(insert OID = 1306 ( overlaps PGUID 14 f t t 4 f 16 "1184 1184 1184 1186" 100 0 1 0 "select overlaps($1, $2, $3, ($3 + $4))" - ));
DESCR("SQL92 interval comparison");
-DATA(insert OID = 1307 ( overlaps PGUID 14 f t t 4 f 16 "1184 1186 1184 1184" 100 0 1 0 "select overlaps($1, ($1 + $2), $3, $4)" - ));
+DATA(insert OID = 1307 ( overlaps PGUID 14 f t t 4 f 16 "1184 1186 1184 1184" 100 0 1 0 "select overlaps($1, ($1 + $2), $3, $4)" - ));
DESCR("SQL92 interval comparison");
-DATA(insert OID = 1308 ( overlaps PGUID 11 f t t 4 f 16 "1083 1083 1083 1083" 100 0 1 0 overlaps_time - ));
+DATA(insert OID = 1308 ( overlaps PGUID 11 f t t 4 f 16 "1083 1083 1083 1083" 100 0 1 0 overlaps_time - ));
DESCR("SQL92 interval comparison");
-DATA(insert OID = 1309 ( overlaps PGUID 14 f t t 4 f 16 "1083 1186 1083 1186" 100 0 1 0 "select overlaps($1, ($1 + $2), $3, ($3 + $4))" - ));
+DATA(insert OID = 1309 ( overlaps PGUID 14 f t t 4 f 16 "1083 1186 1083 1186" 100 0 1 0 "select overlaps($1, ($1 + $2), $3, ($3 + $4))" - ));
DESCR("SQL92 interval comparison");
-DATA(insert OID = 1310 ( overlaps PGUID 14 f t t 4 f 16 "1083 1083 1083 1186" 100 0 1 0 "select overlaps($1, $2, $3, ($3 + $4))" - ));
+DATA(insert OID = 1310 ( overlaps PGUID 14 f t t 4 f 16 "1083 1083 1083 1186" 100 0 1 0 "select overlaps($1, $2, $3, ($3 + $4))" - ));
DESCR("SQL92 interval comparison");
-DATA(insert OID = 1311 ( overlaps PGUID 14 f t t 4 f 16 "1083 1186 1083 1083" 100 0 1 0 "select overlaps($1, ($1 + $2), $3, $4)" - ));
+DATA(insert OID = 1311 ( overlaps PGUID 14 f t t 4 f 16 "1083 1186 1083 1083" 100 0 1 0 "select overlaps($1, ($1 + $2), $3, $4)" - ));
DESCR("SQL92 interval comparison");
DATA(insert OID = 1314 ( timestamp_cmp PGUID 11 f t f 2 f 23 "1184 1184" 100 0 0 100 timestamp_cmp - ));
DESCR("greater-than");
DATA(insert OID = 1358 ( timetz_cmp PGUID 11 f t t 2 f 23 "1266 1266" 100 0 0 100 timetz_cmp - ));
DESCR("less-equal-greater");
-DATA(insert OID = 1359 ( timestamp PGUID 11 f t f 2 f 1184 "1082 1266" 100 0 0 100 datetimetz_timestamp - ));
+DATA(insert OID = 1359 ( timestamp PGUID 11 f t f 2 f 1184 "1082 1266" 100 0 0 100 datetimetz_timestamp - ));
DESCR("convert date and time with time zone to timestamp");
DATA(insert OID = 1362 ( time PGUID 14 f t t 1 f 1083 "1083" 100 0 0 100 "select $1" - ));
DESCR("larger of two");
DATA(insert OID = 1378 ( time_smaller PGUID 11 f t t 2 f 1083 "1083 1083" 100 0 0 100 time_smaller - ));
DESCR("smaller of two");
-DATA(insert OID = 1379 ( timetz_larger PGUID 11 f t t 2 f 1083 "1266 1266" 100 0 0 100 timetz_larger - ));
+DATA(insert OID = 1379 ( timetz_larger PGUID 11 f t t 2 f 1083 "1266 1266" 100 0 0 100 timetz_larger - ));
DESCR("larger of two");
DATA(insert OID = 1380 ( timetz_smaller PGUID 11 f t t 2 f 1083 "1266 1266" 100 0 0 100 timetz_smaller - ));
DESCR("smaller of two");
DATA(insert OID = 1405 ( int4 PGUID 14 f t t 1 f 23 "23" 100 0 0 100 "select $1" - ));
DESCR("convert (no-op)");
-DATA(insert OID = 1406 ( isvertical PGUID 11 f t t 2 f 16 "600 600" 100 0 0 100 point_vert - ));
+DATA(insert OID = 1406 ( isvertical PGUID 11 f t t 2 f 16 "600 600" 100 0 0 100 point_vert - ));
DESCR("vertical?");
-DATA(insert OID = 1407 ( ishorizontal PGUID 11 f t t 2 f 16 "600 600" 100 0 0 100 point_horiz - ));
+DATA(insert OID = 1407 ( ishorizontal PGUID 11 f t t 2 f 16 "600 600" 100 0 0 100 point_horiz - ));
DESCR("horizontal?");
-DATA(insert OID = 1408 ( isparallel PGUID 11 f t t 2 f 16 "601 601" 100 0 0 100 lseg_parallel - ));
+DATA(insert OID = 1408 ( isparallel PGUID 11 f t t 2 f 16 "601 601" 100 0 0 100 lseg_parallel - ));
DESCR("parallel?");
-DATA(insert OID = 1409 ( isperp PGUID 11 f t t 2 f 16 "601 601" 100 0 0 100 lseg_perp - ));
+DATA(insert OID = 1409 ( isperp PGUID 11 f t t 2 f 16 "601 601" 100 0 0 100 lseg_perp - ));
DESCR("perpendicular?");
-DATA(insert OID = 1410 ( isvertical PGUID 11 f t t 1 f 16 "601" 100 0 0 100 lseg_vertical - ));
+DATA(insert OID = 1410 ( isvertical PGUID 11 f t t 1 f 16 "601" 100 0 0 100 lseg_vertical - ));
DESCR("vertical?");
-DATA(insert OID = 1411 ( ishorizontal PGUID 11 f t t 1 f 16 "601" 100 0 0 100 lseg_horizontal - ));
+DATA(insert OID = 1411 ( ishorizontal PGUID 11 f t t 1 f 16 "601" 100 0 0 100 lseg_horizontal - ));
DESCR("horizontal?");
DATA(insert OID = 1412 ( isparallel PGUID 11 f t t 2 f 16 "628 628" 100 0 0 100 line_parallel - ));
DESCR("lines parallel?");
DESCR("path contains point?");
DATA(insert OID = 1428 ( poly_contain_pt PGUID 11 f t t 2 f 16 "604 600" 100 0 0 100 poly_contain_pt - ));
DESCR("polygon contains point?");
-DATA(insert OID = 1429 ( pt_contained_poly PGUID 11 f t t 2 f 16 "600 604" 100 0 0 100 pt_contained_poly - ));
+DATA(insert OID = 1429 ( pt_contained_poly PGUID 11 f t t 2 f 16 "600 604" 100 0 0 100 pt_contained_poly - ));
DESCR("point contained by polygon?");
DATA(insert OID = 1430 ( isclosed PGUID 11 f t t 1 f 16 "602" 100 0 0 100 path_isclosed - ));
DESCR("convert vertex count and circle to polygon");
DATA(insert OID = 1476 ( dist_pc PGUID 11 f t t 2 f 701 "600 718" 100 0 1 0 dist_pc - ));
DESCR("distance between point and circle");
-DATA(insert OID = 1477 ( circle_contain_pt PGUID 11 f t t 2 f 16 "718 600" 100 0 0 100 circle_contain_pt - ));
+DATA(insert OID = 1477 ( circle_contain_pt PGUID 11 f t t 2 f 16 "718 600" 100 0 0 100 circle_contain_pt - ));
DESCR("circle contains point?");
-DATA(insert OID = 1478 ( pt_contained_circle PGUID 11 f t t 2 f 16 "600 718" 100 0 0 100 pt_contained_circle - ));
+DATA(insert OID = 1478 ( pt_contained_circle PGUID 11 f t t 2 f 16 "600 718" 100 0 0 100 pt_contained_circle - ));
DESCR("point inside circle?");
DATA(insert OID = 1479 ( circle PGUID 11 f t t 1 f 718 "603" 100 0 1 0 box_circle - ));
DESCR("convert box to circle");
DATA(insert OID = 1530 ( length PGUID 11 f t t 1 f 701 "601" 100 0 1 0 lseg_length - ));
DESCR("distance between endpoints");
-DATA(insert OID = 1531 ( length PGUID 11 f t t 1 f 701 "602" 100 0 1 0 path_length - ));
+DATA(insert OID = 1531 ( length PGUID 11 f t t 1 f 701 "602" 100 0 1 0 path_length - ));
DESCR("sum of path segments");
DATA(insert OID = 1564 ( zpbit_in PGUID 11 f t t 1 f 1560 "0" 100 0 0 100 zpbit_in - ));
DESCR("(internal)");
-DATA(insert OID = 1565 ( zpbit_out PGUID 11 f t t 1 f 23 "0" 100 0 0 100 zpbit_out - ));
+DATA(insert OID = 1565 ( zpbit_out PGUID 11 f t t 1 f 23 "0" 100 0 0 100 zpbit_out - ));
DESCR("(internal)");
DATA(insert OID = 1569 ( like PGUID 11 f t t 2 f 16 "25 25" 100 0 1 0 textlike - ));
/* SEQUENCEs nextval & currval functions */
-DATA(insert OID = 1574 ( nextval PGUID 11 f t f 1 f 23 "25" 100 0 0 100 nextval - ));
+DATA(insert OID = 1574 ( nextval PGUID 11 f t f 1 f 23 "25" 100 0 0 100 nextval - ));
DESCR("sequence next value");
-DATA(insert OID = 1575 ( currval PGUID 11 f t f 1 f 23 "25" 100 0 0 100 currval - ));
+DATA(insert OID = 1575 ( currval PGUID 11 f t f 1 f 23 "25" 100 0 0 100 currval - ));
DESCR("sequence current value");
DATA(insert OID = 1576 ( setval PGUID 11 f t f 2 f 23 "25 23" 100 0 0 100 setval - ));
DESCR("sequence set value");
DATA(insert OID = 1579 ( varbit_in PGUID 11 f t t 1 f 1562 "0" 100 0 0 100 varbit_in - ));
DESCR("(internal)");
-DATA(insert OID = 1580 ( varbit_out PGUID 11 f t t 1 f 23 "0" 100 0 0 100 varbit_out - ));
+DATA(insert OID = 1580 ( varbit_out PGUID 11 f t t 1 f 23 "0" 100 0 0 100 varbit_out - ));
DESCR("(internal)");
DATA(insert OID = 1581 ( biteq PGUID 11 f t t 2 f 16 "1560 1560" 100 0 1 0 biteq - ));
DATA(insert OID = 1596 ( bitcmp PGUID 11 f t t 2 f 23 "1560 1560" 100 0 1 0 bitcmp - ));
DESCR("compare");
-DATA(insert OID = 1598 ( random PGUID 11 f t f 0 f 701 "0" 100 0 0 100 drandom - ));
+DATA(insert OID = 1598 ( random PGUID 11 f t f 0 f 701 "0" 100 0 0 100 drandom - ));
DESCR("radians to degrees");
-DATA(insert OID = 1599 ( setseed PGUID 11 f t t 1 f 23 "701" 100 0 0 100 setseed - ));
+DATA(insert OID = 1599 ( setseed PGUID 11 f t t 1 f 23 "701" 100 0 0 100 setseed - ));
DESCR("radians to degrees");
/* OIDS 1600 - 1699 */
DESCR("radians to degrees");
DATA(insert OID = 1609 ( radians PGUID 11 f t t 1 f 701 "701" 100 0 0 100 radians - ));
DESCR("radians to degrees");
-DATA(insert OID = 1610 ( pi PGUID 11 f t t 0 f 701 "0" 100 0 0 100 dpi - ));
+DATA(insert OID = 1610 ( pi PGUID 11 f t t 0 f 701 "0" 100 0 0 100 dpi - ));
DESCR("PI");
-DATA(insert OID = 1618 ( interval_mul PGUID 11 f t t 2 f 1186 "1186 701" 100 0 0 100 interval_mul - ));
+DATA(insert OID = 1618 ( interval_mul PGUID 11 f t t 2 f 1186 "1186 701" 100 0 0 100 interval_mul - ));
DESCR("multiply interval");
DATA(insert OID = 1619 ( varchar PGUID 11 f t t 1 f 1043 "23" 100 0 0 100 int4_text - ));
DESCR("convert int4 to varchar");
-DATA(insert OID = 1620 ( ascii PGUID 11 f t t 1 f 23 "25" 100 0 0 100 ascii - ));
+DATA(insert OID = 1620 ( ascii PGUID 11 f t t 1 f 23 "25" 100 0 0 100 ascii - ));
DESCR("convert first char to int4");
-DATA(insert OID = 1621 ( ichar PGUID 11 f t t 1 f 25 "23" 100 0 0 100 ichar - ));
+DATA(insert OID = 1621 ( ichar PGUID 11 f t t 1 f 25 "23" 100 0 0 100 ichar - ));
DESCR("convert int4 to char");
DATA(insert OID = 1622 ( repeat PGUID 11 f t t 2 f 25 "25 23" 100 0 0 100 repeat - ));
DESCR("replicate string int4 times");
DATA(insert OID = 1623 ( varchar PGUID 11 f t t 1 f 1043 "20" 100 0 0 100 int8_text - ));
DESCR("convert int8 to varchar");
-DATA(insert OID = 1624 ( mul_d_interval PGUID 11 f t t 2 f 1186 "701 1186" 100 0 0 100 mul_d_interval - ));
+DATA(insert OID = 1624 ( mul_d_interval PGUID 11 f t t 2 f 1186 "701 1186" 100 0 0 100 mul_d_interval - ));
/* OID's 1625 - 1639 LZTEXT data type */
-DATA(insert OID = 1626 ( lztextin PGUID 11 f t t 1 f 1625 "0" 100 0 0 100 lztextin - ));
+DATA(insert OID = 1626 ( lztextin PGUID 11 f t t 1 f 1625 "0" 100 0 0 100 lztextin - ));
DESCR("(internal)");
-DATA(insert OID = 1627 ( lztextout PGUID 11 f t t 1 f 23 "0" 100 0 0 100 lztextout - ));
+DATA(insert OID = 1627 ( lztextout PGUID 11 f t t 1 f 23 "0" 100 0 0 100 lztextout - ));
DESCR("(internal)");
-DATA(insert OID = 1629 ( text PGUID 11 f t t 1 f 25 "1625" 100 0 0 100 lztext_text -));
+DATA(insert OID = 1629 ( text PGUID 11 f t t 1 f 25 "1625" 100 0 0 100 lztext_text -));
DESCR("convert lztext to text");
-DATA(insert OID = 1631 ( lztext PGUID 11 f t t 1 f 1625 "25" 100 0 0 100 text_lztext -));
+DATA(insert OID = 1631 ( lztext PGUID 11 f t t 1 f 1625 "25" 100 0 0 100 text_lztext -));
DESCR("convert text to lztext");
-DATA(insert OID = 1632 ( lztext PGUID 14 f t t 1 f 1625 "1625" 100 0 0 100 "select $1" -));
+DATA(insert OID = 1632 ( lztext PGUID 14 f t t 1 f 1625 "1625" 100 0 0 100 "select $1" -));
DESCR("convert text to lztext");
-DATA(insert OID = 1633 ( char_length PGUID 11 f t t 1 f 23 "1625" 100 0 1 0 lztextlen - ));
+DATA(insert OID = 1633 ( char_length PGUID 11 f t t 1 f 23 "1625" 100 0 1 0 lztextlen - ));
DESCR("length");
-DATA(insert OID = 1634 ( length PGUID 11 f t t 1 f 23 "1625" 100 0 1 0 lztextlen - ));
+DATA(insert OID = 1634 ( length PGUID 11 f t t 1 f 23 "1625" 100 0 1 0 lztextlen - ));
DESCR("length");
-DATA(insert OID = 1635 ( octet_length PGUID 11 f t t 1 f 23 "1625" 100 0 1 0 lztextoctetlen - ));
+DATA(insert OID = 1635 ( octet_length PGUID 11 f t t 1 f 23 "1625" 100 0 1 0 lztextoctetlen - ));
DESCR("octet length");
-DATA(insert OID = 1636 ( lztext_cmp PGUID 11 f t t 2 f 23 "1625 1625" 100 0 1 0 lztext_cmp - ));
+DATA(insert OID = 1636 ( lztext_cmp PGUID 11 f t t 2 f 23 "1625 1625" 100 0 1 0 lztext_cmp - ));
DESCR("compare lztext");
-DATA(insert OID = 1637 ( lztext_eq PGUID 11 f t t 2 f 16 "1625 1625" 100 0 1 0 lztext_eq - ));
+DATA(insert OID = 1637 ( lztext_eq PGUID 11 f t t 2 f 16 "1625 1625" 100 0 1 0 lztext_eq - ));
DESCR("equal");
-DATA(insert OID = 1638 ( lztext_ne PGUID 11 f t t 2 f 16 "1625 1625" 100 0 1 0 lztext_ne - ));
+DATA(insert OID = 1638 ( lztext_ne PGUID 11 f t t 2 f 16 "1625 1625" 100 0 1 0 lztext_ne - ));
DESCR("not equal");
-DATA(insert OID = 1639 ( lztext_gt PGUID 11 f t t 2 f 16 "1625 1625" 100 0 1 0 lztext_gt - ));
+DATA(insert OID = 1639 ( lztext_gt PGUID 11 f t t 2 f 16 "1625 1625" 100 0 1 0 lztext_gt - ));
DESCR("greater-than");
-DATA(insert OID = 1664 ( lztext_ge PGUID 11 f t t 2 f 16 "1625 1625" 100 0 1 0 lztext_ge - ));
+DATA(insert OID = 1664 ( lztext_ge PGUID 11 f t t 2 f 16 "1625 1625" 100 0 1 0 lztext_ge - ));
DESCR("greater-than-or-equal");
-DATA(insert OID = 1665 ( lztext_lt PGUID 11 f t t 2 f 16 "1625 1625" 100 0 1 0 lztext_lt - ));
+DATA(insert OID = 1665 ( lztext_lt PGUID 11 f t t 2 f 16 "1625 1625" 100 0 1 0 lztext_lt - ));
DESCR("less-than");
-DATA(insert OID = 1656 ( lztext_le PGUID 11 f t t 2 f 16 "1625 1625" 100 0 1 0 lztext_le - ));
+DATA(insert OID = 1656 ( lztext_le PGUID 11 f t t 2 f 16 "1625 1625" 100 0 1 0 lztext_le - ));
DESCR("less-than-or-equal");
/* Oracle Compatibility Related Functions - By Edmund Mergl <E.Mergl@bawue.de> */
DESCR("index description");
/* Generic referential integrity constraint triggers */
-DATA(insert OID = 1644 ( RI_FKey_check_ins PGUID 11 f t f 0 f 0 "" 100 0 0 100 RI_FKey_check_ins - ));
+DATA(insert OID = 1644 ( RI_FKey_check_ins PGUID 11 f t f 0 f 0 "" 100 0 0 100 RI_FKey_check_ins - ));
DESCR("referential integrity FOREIGN KEY ... REFERENCES");
-DATA(insert OID = 1645 ( RI_FKey_check_upd PGUID 11 f t f 0 f 0 "" 100 0 0 100 RI_FKey_check_upd - ));
+DATA(insert OID = 1645 ( RI_FKey_check_upd PGUID 11 f t f 0 f 0 "" 100 0 0 100 RI_FKey_check_upd - ));
DESCR("referential integrity FOREIGN KEY ... REFERENCES");
-DATA(insert OID = 1646 ( RI_FKey_cascade_del PGUID 11 f t f 0 f 0 "" 100 0 0 100 RI_FKey_cascade_del - ));
+DATA(insert OID = 1646 ( RI_FKey_cascade_del PGUID 11 f t f 0 f 0 "" 100 0 0 100 RI_FKey_cascade_del - ));
DESCR("referential integrity ON DELETE CASCADE");
-DATA(insert OID = 1647 ( RI_FKey_cascade_upd PGUID 11 f t f 0 f 0 "" 100 0 0 100 RI_FKey_cascade_upd - ));
+DATA(insert OID = 1647 ( RI_FKey_cascade_upd PGUID 11 f t f 0 f 0 "" 100 0 0 100 RI_FKey_cascade_upd - ));
DESCR("referential integrity ON UPDATE CASCADE");
-DATA(insert OID = 1648 ( RI_FKey_restrict_del PGUID 11 f t f 0 f 0 "" 100 0 0 100 RI_FKey_restrict_del - ));
+DATA(insert OID = 1648 ( RI_FKey_restrict_del PGUID 11 f t f 0 f 0 "" 100 0 0 100 RI_FKey_restrict_del - ));
DESCR("referential integrity ON DELETE RESTRICT");
DATA(insert OID = 1649 ( RI_FKey_restrict_upd PGUID 11 f t f 0 f 0 "" 100 0 0 100 RI_FKey_restrict_upd - ));
DESCR("referential integrity ON UPDATE RESTRICT");
DESCR("referential integrity ON DELETE SET DEFAULT");
DATA(insert OID = 1653 ( RI_FKey_setdefault_upd PGUID 11 f t f 0 f 0 "" 100 0 0 100 RI_FKey_setdefault_upd - ));
DESCR("referential integrity ON UPDATE SET DEFAULT");
-DATA(insert OID = 1654 ( RI_FKey_noaction_del PGUID 11 f t f 0 f 0 "" 100 0 0 100 RI_FKey_noaction_del - ));
+DATA(insert OID = 1654 ( RI_FKey_noaction_del PGUID 11 f t f 0 f 0 "" 100 0 0 100 RI_FKey_noaction_del - ));
DESCR("referential integrity ON DELETE NO ACTION");
-DATA(insert OID = 1655 ( RI_FKey_noaction_upd PGUID 11 f t f 0 f 0 "" 100 0 0 100 RI_FKey_noaction_upd - ));
+DATA(insert OID = 1655 ( RI_FKey_noaction_upd PGUID 11 f t f 0 f 0 "" 100 0 0 100 RI_FKey_noaction_upd - ));
DESCR("referential integrity ON UPDATE NO ACTION");
DATA(insert OID = 1666 ( varbiteq PGUID 11 f t t 2 f 16 "1562 1562" 100 0 1 0 varbiteq - ));
DESCR("m raised to the power of n");
DATA(insert OID = 1740 ( numeric PGUID 11 f t t 1 f 1700 "23" 100 0 0 100 int4_numeric - ));
DESCR("(internal)");
-DATA(insert OID = 1741 ( log PGUID 14 f t t 1 f 1700 "1700" 100 0 0 100 "select log(10, $1)" - ));
+DATA(insert OID = 1741 ( log PGUID 14 f t t 1 f 1700 "1700" 100 0 0 100 "select log(10, $1)" - ));
DESCR("logarithm base 10 of n");
DATA(insert OID = 1742 ( numeric PGUID 11 f t t 1 f 1700 "700" 100 0 0 100 float4_numeric - ));
DESCR("(internal)");
DESCR("(internal)");
/* formatting */
-DATA(insert OID = 1770 ( to_char PGUID 11 f t f 2 f 25 "1184 25" 100 0 0 100 timestamp_to_char - ));
+DATA(insert OID = 1770 ( to_char PGUID 11 f t f 2 f 25 "1184 25" 100 0 0 100 timestamp_to_char - ));
DESCR("format timestamp to text");
-DATA(insert OID = 1772 ( to_char PGUID 11 f t f 2 f 25 "1700 25" 100 0 0 100 numeric_to_char - ));
+DATA(insert OID = 1772 ( to_char PGUID 11 f t f 2 f 25 "1700 25" 100 0 0 100 numeric_to_char - ));
DESCR("format numeric to text");
-DATA(insert OID = 1773 ( to_char PGUID 11 f t f 2 f 25 "23 25" 100 0 0 100 int4_to_char - ));
+DATA(insert OID = 1773 ( to_char PGUID 11 f t f 2 f 25 "23 25" 100 0 0 100 int4_to_char - ));
DESCR("format int4 to text");
-DATA(insert OID = 1774 ( to_char PGUID 11 f t f 2 f 25 "20 25" 100 0 0 100 int8_to_char - ));
+DATA(insert OID = 1774 ( to_char PGUID 11 f t f 2 f 25 "20 25" 100 0 0 100 int8_to_char - ));
DESCR("format int8 to text");
-DATA(insert OID = 1775 ( to_char PGUID 11 f t f 2 f 25 "700 25" 100 0 0 100 float4_to_char - ));
+DATA(insert OID = 1775 ( to_char PGUID 11 f t f 2 f 25 "700 25" 100 0 0 100 float4_to_char - ));
DESCR("format float4 to text");
-DATA(insert OID = 1776 ( to_char PGUID 11 f t f 2 f 25 "701 25" 100 0 0 100 float8_to_char - ));
+DATA(insert OID = 1776 ( to_char PGUID 11 f t f 2 f 25 "701 25" 100 0 0 100 float8_to_char - ));
DESCR("format float8 to text");
-DATA(insert OID = 1777 ( to_number PGUID 11 f t f 2 f 1700 "25 25" 100 0 0 100 numeric_to_number - ));
+DATA(insert OID = 1777 ( to_number PGUID 11 f t f 2 f 1700 "25 25" 100 0 0 100 numeric_to_number - ));
DESCR("convert text to numeric");
-DATA(insert OID = 1778 ( to_timestamp PGUID 11 f t f 2 f 1184 "25 25" 100 0 0 100 to_timestamp - ));
+DATA(insert OID = 1778 ( to_timestamp PGUID 11 f t f 2 f 1184 "25 25" 100 0 0 100 to_timestamp - ));
DESCR("convert text to timestamp");
-DATA(insert OID = 1780 ( to_date PGUID 11 f t f 2 f 1082 "25 25" 100 0 0 100 to_date - ));
+DATA(insert OID = 1780 ( to_date PGUID 11 f t f 2 f 1082 "25 25" 100 0 0 100 to_date - ));
DESCR("convert text to date");
#endif /* PG_PROC_H */
-
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pg_statistic.h,v 1.8 2000/01/26 05:57:58 momjian Exp $
+ * $Id: pg_statistic.h,v 1.9 2000/04/12 17:16:29 momjian Exp $
*
* NOTES
* the genbki.sh script reads this file and generates .bki
Oid starelid; /* relation containing attribute */
int2 staattnum; /* attribute (column) stats are for */
Oid staop; /* '<' comparison op used for lo/hi vals */
- /* Note: the current VACUUM code will never produce more than one entry
- * per column, but in theory there could be multiple entries if a datatype
- * has more than one useful ordering operator. Also, the current code
- * will not write an entry unless it found at least one non-NULL value
- * in the column; so the remaining fields will never be NULL.
+
+ /*
+ * Note: the current VACUUM code will never produce more than one
+ * entry per column, but in theory there could be multiple entries if
+ * a datatype has more than one useful ordering operator. Also, the
+ * current code will not write an entry unless it found at least one
+ * non-NULL value in the column; so the remaining fields will never be
+ * NULL.
*/
- /* These fields contain the stats about the column indicated by the key */
- float4 stanullfrac; /* the fraction of the entries that are NULL */
- float4 stacommonfrac; /* the fraction that are the most common val */
+ /*
+ * These fields contain the stats about the column indicated by the
+ * key
+ */
+ float4 stanullfrac; /* the fraction of the entries that are
+ * NULL */
+ float4 stacommonfrac; /* the fraction that are the most common
+ * val */
- /* THE REST OF THESE ARE VARIABLE LENGTH FIELDS.
- * They cannot be accessed as C struct entries; you have to use the
- * full field access machinery (heap_getattr) for them.
+ /*
+ * THE REST OF THESE ARE VARIABLE LENGTH FIELDS. They cannot be
+ * accessed as C struct entries; you have to use the full field access
+ * machinery (heap_getattr) for them.
*
* All three of these are text representations of data values of the
* column's data type. To re-create the actual Datum, do
#define Anum_pg_statistic_staattnum 2
#define Anum_pg_statistic_staop 3
#define Anum_pg_statistic_stanullfrac 4
-#define Anum_pg_statistic_stacommonfrac 5
+#define Anum_pg_statistic_stacommonfrac 5
#define Anum_pg_statistic_stacommonval 6
#define Anum_pg_statistic_staloval 7
#define Anum_pg_statistic_stahival 8
int2 tgtype; /* BEFORE/AFTER UPDATE/DELETE/INSERT
* ROW/STATEMENT */
bool tgenabled; /* trigger is enabled/disabled */
- bool tgisconstraint; /* trigger is a RI constraint */
+ bool tgisconstraint; /* trigger is a RI constraint */
NameData tgconstrname; /* RI constraint name */
Oid tgconstrrelid; /* RI table of foreign key definition */
- /* in the case of ON DELETE or ON UPDATE */
+
+ /* in the case of ON DELETE or ON UPDATE */
bool tgdeferrable; /* RI trigger is deferrable */
- bool tginitdeferred; /* RI trigger is deferred initially */
+ bool tginitdeferred; /* RI trigger is deferred initially */
int2 tgnargs; /* # of extra arguments in tgargs */
int2vector tgattr; /* UPDATE of attr1, attr2 ... (NI) */
bytea tgargs; /* first\000second\000tgnargs\000 */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pg_type.h,v 1.87 2000/04/08 02:13:01 thomas Exp $
+ * $Id: pg_type.h,v 1.88 2000/04/12 17:16:29 momjian Exp $
*
* NOTES
* the genbki.sh script reads this file and generates .bki
DATA(insert OID = 1002 ( _char PGUID -1 -1 f b t \054 0 18 array_in array_out array_in array_out i _null_ ));
DATA(insert OID = 1003 ( _name PGUID -1 -1 f b t \054 0 19 array_in array_out array_in array_out i _null_ ));
DATA(insert OID = 1005 ( _int2 PGUID -1 -1 f b t \054 0 21 array_in array_out array_in array_out i _null_ ));
-DATA(insert OID = 1006 ( _int2vector PGUID -1 -1 f b t \054 0 22 array_in array_out array_in array_out i _null_ ));
+DATA(insert OID = 1006 ( _int2vector PGUID -1 -1 f b t \054 0 22 array_in array_out array_in array_out i _null_ ));
DATA(insert OID = 1007 ( _int4 PGUID -1 -1 f b t \054 0 23 array_in array_out array_in array_out i _null_ ));
DATA(insert OID = 1008 ( _regproc PGUID -1 -1 f b t \054 0 24 array_in array_out array_in array_out i _null_ ));
DATA(insert OID = 1009 ( _text PGUID -1 -1 f b t \054 0 25 array_in array_out array_in array_out i _null_ ));
DATA(insert OID = 1013 ( _oidvector PGUID -1 -1 f b t \054 0 30 array_in array_out array_in array_out i _null_ ));
DATA(insert OID = 1014 ( _bpchar PGUID -1 -1 f b t \054 0 1042 array_in array_out array_in array_out i _null_ ));
DATA(insert OID = 1015 ( _varchar PGUID -1 -1 f b t \054 0 1043 array_in array_out array_in array_out i _null_ ));
-DATA(insert OID = 1016 ( _int8 PGUID -1 -1 f b t \054 0 20 array_in array_out array_in array_out d _null_ ));
+DATA(insert OID = 1016 ( _int8 PGUID -1 -1 f b t \054 0 20 array_in array_out array_in array_out d _null_ ));
DATA(insert OID = 1017 ( _point PGUID -1 -1 f b t \054 0 600 array_in array_out array_in array_out d _null_ ));
DATA(insert OID = 1018 ( _lseg PGUID -1 -1 f b t \054 0 601 array_in array_out array_in array_out d _null_ ));
DATA(insert OID = 1019 ( _path PGUID -1 -1 f b t \054 0 602 array_in array_out array_in array_out d _null_ ));
* Thanks to some padding, this will be 8 on all platforms.
* We also have an Assert to make sure.
*/
-#define ACLITEMSIZE 8
+#define ACLITEMSIZE 8
DATA(insert OID = 1033 ( aclitem PGUID 8 -1 f b t \054 0 0 aclitemin aclitemout aclitemin aclitemout i _null_ ));
DESCR("access control list");
DATA(insert OID = 1034 ( _aclitem PGUID -1 -1 f b t \054 0 1033 array_in array_out array_in array_out i _null_ ));
DATA(insert OID = 1184 ( timestamp PGUID 8 47 f b t \054 0 0 timestamp_in timestamp_out timestamp_in timestamp_out d _null_ ));
DESCR("date and time");
#define TIMESTAMPOID 1184
-DATA(insert OID = 1185 ( _timestamp PGUID -1 -1 f b t \054 0 1184 array_in array_out array_in array_out d _null_ ));
+DATA(insert OID = 1185 ( _timestamp PGUID -1 -1 f b t \054 0 1184 array_in array_out array_in array_out d _null_ ));
DATA(insert OID = 1186 ( interval PGUID 12 47 f b t \054 0 0 interval_in interval_out interval_in interval_out d _null_ ));
DESCR("@ <number> <units>, time interval");
#define INTERVALOID 1186
DATA(insert OID = 1187 ( _interval PGUID -1 -1 f b t \054 0 1186 array_in array_out array_in array_out d _null_ ));
/* OIDS 1200 - 1299 */
-DATA(insert OID = 1231 ( _numeric PGUID -1 -1 f b t \054 0 1700 array_in array_out array_in array_out i _null_ ));
+DATA(insert OID = 1231 ( _numeric PGUID -1 -1 f b t \054 0 1700 array_in array_out array_in array_out i _null_ ));
DATA(insert OID = 1266 ( timetz PGUID 12 22 f b t \054 0 0 timetz_in timetz_out timetz_in timetz_out d _null_ ));
DESCR("hh:mm:ss, ANSI SQL time");
#define TIMETZOID 1266
DATA(insert OID = 1270 ( _timetz PGUID -1 -1 f b t \054 0 1266 array_in array_out array_in array_out d _null_ ));
/* OIDS 1500 - 1599 */
-DATA(insert OID = 1560 ( bit PGUID -1 -1 f b t \054 0 0 zpbit_in zpbit_out zpbit_in zpbit_out i _null_ ));
+DATA(insert OID = 1560 ( bit PGUID -1 -1 f b t \054 0 0 zpbit_in zpbit_out zpbit_in zpbit_out i _null_ ));
DESCR("fixed-length bit string");
-#define ZPBITOID 1560
-DATA(insert OID = 1561 ( _bit PGUID -1 -1 f b t \054 0 1560 array_in array_out array_in array_out i _null_ ));
-DATA(insert OID = 1562 ( varbit PGUID -1 -1 f b t \054 0 0 varbit_in varbit_out varbit_in varbit_out i _null_ ));
+#define ZPBITOID 1560
+DATA(insert OID = 1561 ( _bit PGUID -1 -1 f b t \054 0 1560 array_in array_out array_in array_out i _null_ ));
+DATA(insert OID = 1562 ( varbit PGUID -1 -1 f b t \054 0 0 varbit_in varbit_out varbit_in varbit_out i _null_ ));
DESCR("fixed-length bit string");
-#define VARBITOID 1562
-DATA(insert OID = 1563 ( _varbit PGUID -1 -1 f b t \054 0 1562 array_in array_out array_in array_out i _null_ ));
+#define VARBITOID 1562
+DATA(insert OID = 1563 ( _varbit PGUID -1 -1 f b t \054 0 1562 array_in array_out array_in array_out i _null_ ));
/* OIDS 1600 - 1699 */
-DATA(insert OID = 1625 ( lztext PGUID -1 -1 f b t \054 0 0 lztextin lztextout lztextin lztextout i _null_ ));
+DATA(insert OID = 1625 ( lztext PGUID -1 -1 f b t \054 0 0 lztextin lztextout lztextin lztextout i _null_ ));
DESCR("variable-length string, stored compressed");
-#define LZTEXTOID 1625
+#define LZTEXTOID 1625
/* OIDS 1700 - 1799 */
DATA(insert OID = 1700 ( numeric PGUID -1 -1 f b t \054 0 0 numeric_in numeric_out numeric_in numeric_out i _null_ ));
* version or anything like that. It is for defining individual relations
* that have multiple concurrently-existing versions. Yes, there used to
* be such a feature in Postgres, but it's been broken for a long time
- * (see src/backend/commands/_deadcode/version.c). The pg_version table
+ * (see src/backend/commands/_deadcode/version.c). The pg_version table
* isn't even created at present.
*
*
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pg_version.h,v 1.10 2000/01/26 05:57:59 momjian Exp $
+ * $Id: pg_version.h,v 1.11 2000/04/12 17:16:30 momjian Exp $
*
* NOTES
* the genbki.sh script reads this file and generates .bki
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: command.h,v 1.17 2000/01/26 05:58:00 momjian Exp $
+ * $Id: command.h,v 1.18 2000/04/12 17:16:31 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* ALTER TABLE variants
*/
extern void AlterTableAddColumn(const char *relationName,
- bool inh, ColumnDef *colDef);
+ bool inh, ColumnDef *colDef);
extern void AlterTableAlterColumn(const char *relationName,
- bool inh, const char *colName,
- Node *newDefault);
+ bool inh, const char *colName,
+ Node *newDefault);
extern void AlterTableDropColumn(const char *relationName,
- bool inh, const char *colName,
- int behavior);
+ bool inh, const char *colName,
+ int behavior);
extern void AlterTableAddConstraint(const char *relationName,
- bool inh, Node *newConstraint);
+ bool inh, Node *newConstraint);
extern void AlterTableDropConstraint(const char *relationName,
- bool inh, const char *constrName,
- int behavior);
+ bool inh, const char *constrName,
+ int behavior);
/*
* LOCK
/*-------------------------------------------------------------------------
*
* comment.h
- *
+ *
* Prototypes for functions in commands/comment.c
*
* Copyright (c) 1999, PostgreSQL Global Development Group
/*------------------------------------------------------------------
* Function Prototypes --
- *
+ *
* The following protoypes define the public functions of the comment
* related routines. CreateComments() is used to create/drop a comment
- * for any object with a valid oid. DeleteComments() deletes, if any,
- * the comments associated with the object. CommentObject() is used to
+ * for any object with a valid oid. DeleteComments() deletes, if any,
+ * the comments associated with the object. CommentObject() is used to
* create comments to be identified by the specific type.
*------------------------------------------------------------------
*/
-void CreateComments(Oid oid, char *comment);
-void DeleteComments(Oid oid);
-void CommentObject(int objtype, char *objname, char *objproperty,
- List *objlist, char *comment);
+void CreateComments(Oid oid, char *comment);
+void DeleteComments(Oid oid);
+void CommentObject(int objtype, char *objname, char *objproperty,
+ List *objlist, char *comment);
#endif /* COMMENT_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: copy.h,v 1.10 2000/02/13 18:59:52 momjian Exp $
+ * $Id: copy.h,v 1.11 2000/04/12 17:16:32 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef COPY_H
#define COPY_H
-extern int lineno;
+extern int lineno;
void DoCopy(char *relname, bool binary, bool oids, bool from, bool pipe,
- char *filename, char *delim, char *null_print);
+ char *filename, char *delim, char *null_print);
#endif /* COPY_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: trigger.h,v 1.18 2000/01/31 04:35:54 tgl Exp $
+ * $Id: trigger.h,v 1.19 2000/04/12 17:16:32 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* Deferred trigger stuff
* ----------
*/
-typedef struct DeferredTriggerStatusData {
- Oid dts_tgoid;
- bool dts_tgisdeferred;
+typedef struct DeferredTriggerStatusData
+{
+ Oid dts_tgoid;
+ bool dts_tgisdeferred;
} DeferredTriggerStatusData;
typedef struct DeferredTriggerStatusData *DeferredTriggerStatus;
-typedef struct DeferredTriggerEventItem {
- Oid dti_tgoid;
- int32 dti_state;
+typedef struct DeferredTriggerEventItem
+{
+ Oid dti_tgoid;
+ int32 dti_state;
} DeferredTriggerEventItem;
-typedef struct DeferredTriggerEventData {
- int32 dte_event;
- Oid dte_relid;
- ItemPointerData dte_oldctid;
- ItemPointerData dte_newctid;
- int32 dte_n_items;
- DeferredTriggerEventItem dte_item[1];
+typedef struct DeferredTriggerEventData
+{
+ int32 dte_event;
+ Oid dte_relid;
+ ItemPointerData dte_oldctid;
+ ItemPointerData dte_newctid;
+ int32 dte_n_items;
+ DeferredTriggerEventItem dte_item[1];
} DeferredTriggerEventData;
typedef struct DeferredTriggerEventData *DeferredTriggerEvent;
-extern int DeferredTriggerInit(void);
+extern int DeferredTriggerInit(void);
extern void DeferredTriggerBeginXact(void);
extern void DeferredTriggerEndQuery(void);
extern void DeferredTriggerEndXact(void);
extern void DeferredTriggerSetState(ConstraintsSetStmt *stmt);
extern void DeferredTriggerSaveEvent(Relation rel, int event,
- HeapTuple oldtup, HeapTuple newtup);
+ HeapTuple oldtup, HeapTuple newtup);
/*
extern void DropUser(DropUserStmt *stmt);
extern void CreateGroup(CreateGroupStmt *stmt);
-extern void AlterGroup(AlterGroupStmt *stmt, const char * tag);
+extern void AlterGroup(AlterGroupStmt *stmt, const char *tag);
extern void DropGroup(DropGroupStmt *stmt);
extern HeapTuple update_pg_pwd(void);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: vacuum.h,v 1.26 2000/01/26 05:58:00 momjian Exp $
+ * $Id: vacuum.h,v 1.27 2000/04/12 17:16:32 momjian Exp $
*
*-------------------------------------------------------------------------
*/
{
int vpl_empty_end_pages; /* Number of "empty" end-pages */
int vpl_num_pages; /* Number of pages in vpl_pagedesc */
- int vpl_num_allocated_pages; /* Number of allocated pages in vpl_pagedesc */
+ int vpl_num_allocated_pages; /* Number of allocated
+ * pages in vpl_pagedesc */
VPageDescr *vpl_pagedesc; /* Descriptions of pages */
} VPageListData;
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: nodeGroup.h,v 1.15 2000/01/27 18:11:41 tgl Exp $
+ * $Id: nodeGroup.h,v 1.16 2000/04/12 17:16:33 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern void ExecReScanGroup(Group *node, ExprContext *exprCtxt, Plan *parent);
extern bool execTuplesMatch(HeapTuple tuple1,
- HeapTuple tuple2,
- TupleDesc tupdesc,
- int numCols,
- AttrNumber *matchColIdx,
- FmgrInfo *eqfunctions);
+ HeapTuple tuple2,
+ TupleDesc tupdesc,
+ int numCols,
+ AttrNumber *matchColIdx,
+ FmgrInfo *eqfunctions);
extern FmgrInfo *execTuplesMatchPrepare(TupleDesc tupdesc,
- int numCols,
- AttrNumber *matchColIdx);
+ int numCols,
+ AttrNumber *matchColIdx);
#endif /* NODEGROUP_H */
#include "nodes/plannodes.h"
extern Datum ExecSubPlan(SubPlan *node, List *pvar, ExprContext *econtext,
- bool *isNull);
+ bool *isNull);
extern bool ExecInitSubPlan(SubPlan *node, EState *estate, Plan *parent);
extern void ExecReScanSetParamPlan(SubPlan *node, Plan *parent);
extern void ExecSetParamPlan(SubPlan *node);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: nodeTidscan.h,v 1.2 2000/01/26 05:58:05 momjian Exp $
+ * $Id: nodeTidscan.h,v 1.3 2000/04/12 17:16:33 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern void ExecTidMarkPos(TidScan *node);
extern void ExecTidRestrPos(TidScan *node);
extern bool ExecInitTidScan(TidScan *node, EState *estate, Plan *parent);
-extern int ExecCountSlotsTidScan(TidScan *node);
+extern int ExecCountSlotsTidScan(TidScan *node);
extern void ExecTidReScan(TidScan *node, ExprContext *exprCtxt, Plan *parent);
#endif /* NODETIDSCAN_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: dllist.h,v 1.11 2000/01/26 05:58:09 momjian Exp $
+ * $Id: dllist.h,v 1.12 2000/04/12 17:16:34 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern void DLAddHead(Dllist *list, Dlelem *node);
extern void DLAddTail(Dllist *list, Dlelem *node);
extern Dlelem *DLRemHead(Dllist *list); /* remove and return the head */
-extern void DLMoveToFront(Dlelem *); /* move node to front of its list */
+extern void DLMoveToFront(Dlelem *); /* move node to front of its list */
#define DLE_VAL(x) (x->dle_val)
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: stringinfo.h,v 1.17 2000/02/13 13:21:11 momjian Exp $
+ * $Id: stringinfo.h,v 1.18 2000/04/12 17:16:34 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* if necessary.
*/
extern void appendBinaryStringInfo(StringInfo str,
- const char *data, int datalen);
+ const char *data, int datalen);
#endif /* STRINGINFO_H */
* Interface to hba.c
*
*
- * $Id: hba.h,v 1.16 1999/10/23 03:13:29 tgl Exp $
+ * $Id: hba.h,v 1.17 2000/04/12 17:16:35 momjian Exp $
*
*-------------------------------------------------------------------------
*/
typedef struct Port hbaPort;
-int hba_getauthmethod(hbaPort *port);
+int hba_getauthmethod(hbaPort *port);
int authident(struct sockaddr_in * raddr, struct sockaddr_in * laddr,
const char *postgres_username, const char *auth_arg);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: libpq-be.h,v 1.18 2000/01/26 05:58:12 momjian Exp $
+ * $Id: libpq-be.h,v 1.19 2000/04/12 17:16:36 momjian Exp $
*
*-------------------------------------------------------------------------
*/
char auth_arg[MAX_AUTH_ARG];
UserAuth auth_method;
- /*
- * SSL structures
+ /*
+ * SSL structures
*/
#ifdef USE_SSL
- SSL *ssl;
+ SSL *ssl;
#endif
} Port;
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: libpq.h,v 1.35 2000/01/26 05:58:12 momjian Exp $
+ * $Id: libpq.h,v 1.36 2000/04/12 17:16:36 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* PQerrormsg[] is used only for error messages generated within backend
* libpq, none of which are remarkably long. Note that this length should
* NOT be taken as any indication of the maximum error message length that
- * the backend can create! elog() can in fact produce extremely long messages.
+ * the backend can create! elog() can in fact produce extremely long messages.
*/
#define PQERRORMSG_LENGTH 1024
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pqsignal.h,v 1.11 2000/01/26 05:58:12 momjian Exp $
+ * $Id: pqsignal.h,v 1.12 2000/04/12 17:16:36 momjian Exp $
*
* NOTES
* This shouldn't be in libpq, but the monitor and some other
#define PQSIGNAL_H
#ifdef HAVE_SIGPROCMASK
-extern sigset_t UnBlockSig,
- BlockSig;
-#define PG_INITMASK() ( \
+extern sigset_t UnBlockSig,
+ BlockSig;
+
+#define PG_INITMASK() ( \
sigemptyset(&UnBlockSig), \
sigfillset(&BlockSig) \
)
-#define PG_SETMASK(mask) sigprocmask(SIG_SETMASK, mask, NULL)
+#define PG_SETMASK(mask) sigprocmask(SIG_SETMASK, mask, NULL)
#else
-extern int UnBlockSig,
- BlockSig;
+extern int UnBlockSig,
+ BlockSig;
+
#define PG_INITMASK() ( \
UnBlockSig = 0, \
BlockSig = sigmask(SIGHUP) | sigmask(SIGQUIT) | \
sigmask(SIGUSR2) | sigmask(SIGCHLD) | \
sigmask(SIGWINCH) | sigmask(SIGFPE) \
)
-#define PG_SETMASK(mask) sigsetmask(*((int*)(mask)))
+#define PG_SETMASK(mask) sigsetmask(*((int*)(mask)))
#endif
typedef void (*pqsigfunc) (int);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: miscadmin.h,v 1.54 2000/02/23 15:46:14 momjian Exp $
+ * $Id: miscadmin.h,v 1.55 2000/04/12 17:16:24 momjian Exp $
*
* NOTES
* some of the information in this file will be moved to
#ifndef MISCADMIN_H
#define MISCADMIN_H
-#include <sys/types.h> /* For pid_t */
+#include <sys/types.h> /* For pid_t */
#include "postgres.h"
extern bool IsUnderPostmaster;
-extern int DebugLvl;
+extern int DebugLvl;
/* Date/Time Configuration
*
*****************************************************************************/
/*
* Description:
- * There are three processing modes in POSTGRES. They are
+ * There are three processing modes in POSTGRES. They are
* "BootstrapProcessing or "bootstrap," InitProcessing or
* "initialization," and NormalProcessing or "normal."
*
* transaction id "one" and are consequently guarenteed to commit. This mode
* is used during the initial generation of template databases.
*
- * Initialization mode until all normal initialization is complete.
- * Some code behaves differently when executed in this mode to enable
+ * Initialization mode until all normal initialization is complete.
+ * Some code behaves differently when executed in this mode to enable
* system bootstrapping.
*
* If a POSTGRES binary is in normal mode, then all code may be executed
- * normally.
+ * normally.
*/
typedef enum ProcessingMode
#define IsNormalProcessingMode() ((bool)(Mode == NormalProcessing))
#define SetProcessingMode(mode) \
- do { \
- AssertArg(mode == BootstrapProcessing || mode == InitProcessing || \
- mode == NormalProcessing); \
- Mode = mode; \
- } while(0)
+ do { \
+ AssertArg(mode == BootstrapProcessing || mode == InitProcessing || \
+ mode == NormalProcessing); \
+ Mode = mode; \
+ } while(0)
#define GetProcessingMode() Mode
extern bool IsCacheInitialized(void);
extern void SetWaitingForLock(bool);
-/*
+/*
* "postmaster.pid" is a file containing postmaster's pid, being
* created uder $PGDATA upon postmaster's starting up. When postmaster
* shuts down, it will be unlinked.
extern void SetPidFname(char *datadir);
extern char *GetPidFname(void);
extern void UnlinkPidFile(void);
-extern int SetPidFile(pid_t pid);
+extern int SetPidFile(pid_t pid);
#endif /* MISCADMIN_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: execnodes.h,v 1.40 2000/01/27 18:11:44 tgl Exp $
+ * $Id: execnodes.h,v 1.41 2000/04/12 17:16:39 momjian Exp $
*
*-------------------------------------------------------------------------
*/
ParamListInfo ecxt_param_list_info;
ParamExecData *ecxt_param_exec_vals; /* this is for subselects */
List *ecxt_range_table;
- Datum *ecxt_aggvalues; /* precomputed values for Aggref nodes */
+ Datum *ecxt_aggvalues; /* precomputed values for Aggref nodes */
bool *ecxt_aggnulls; /* null flags for Aggref nodes */
} ExprContext;
int tss_NumTids;
int tss_TidPtr;
int tss_MarkTidPtr;
- ItemPointer *tss_TidList;
- HeapTupleData tss_htup;
+ ItemPointer *tss_TidList;
+ HeapTupleData tss_htup;
} TidScanState;
/* ----------------------------------------------------------------
* during evaluation of an Agg node's output tuple(s).
* -------------------------
*/
-typedef struct AggStatePerAggData *AggStatePerAgg; /* private in nodeAgg.c */
+typedef struct AggStatePerAggData *AggStatePerAgg; /* private in nodeAgg.c */
typedef struct AggState
{
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: makefuncs.h,v 1.23 2000/02/15 03:38:13 thomas Exp $
+ * $Id: makefuncs.h,v 1.24 2000/04/12 17:16:40 momjian Exp $
*
*-------------------------------------------------------------------------
*/
bool constiscast);
extern Attr *
-makeAttr(char *relname, char *attname);
+ makeAttr(char *relname, char *attname);
#endif /* MAKEFUNC_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: nodes.h,v 1.66 2000/02/20 21:32:16 tgl Exp $
+ * $Id: nodes.h,v 1.67 2000/04/12 17:16:40 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* These could have gone into plannodes.h or some such, but many files
* depend on them...
*/
-typedef double Selectivity; /* fraction of tuples a qualifier will pass */
+typedef double Selectivity; /* fraction of tuples a qualifier will
+ * pass */
typedef double Cost; /* execution cost (in page-access units) */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: parsenodes.h,v 1.103 2000/03/24 23:26:45 tgl Exp $
+ * $Id: parsenodes.h,v 1.104 2000/04/12 17:16:40 momjian Exp $
*
*-------------------------------------------------------------------------
*/
Node *qual; /* qualifications applied to tuples */
List *rowMark; /* list of RowMark entries */
- List *distinctClause; /* a list of SortClause's */
+ List *distinctClause; /* a list of SortClause's */
List *sortClause; /* a list of SortClause's */
/* internal to planner */
List *base_rel_list; /* list of base-relation RelOptInfos */
List *join_rel_list; /* list of join-relation RelOptInfos */
- List *equi_key_list; /* list of lists of equijoined PathKeyItems */
+ List *equi_key_list; /* list of lists of equijoined
+ * PathKeyItems */
List *query_pathkeys; /* pathkeys for query_planner()'s result */
} Query;
typedef struct AlterTableStmt
{
NodeTag type;
- char subtype; /* A = add, T = alter, D = drop, C = add constr, X = drop constr */
- char *relname; /* table to work on */
+ char subtype; /* A = add, T = alter, D = drop, C = add
+ * constr, X = drop constr */
+ char *relname; /* table to work on */
bool inh; /* recursively on children? */
- char *name; /* column or constraint name to act on */
- Node *def; /* definition of new column or constraint */
- int behavior; /* CASCADE or RESTRICT drop behavior */
+ char *name; /* column or constraint name to act on */
+ Node *def; /* definition of new column or constraint */
+ int behavior; /* CASCADE or RESTRICT drop behavior */
} AlterTableStmt;
/* ----------------------
int direction; /* TO or FROM */
char *filename; /* if NULL, use stdin/stdout */
char *delimiter; /* delimiter character, \t by default */
- char *null_print; /* how to print NULLs, `\N' by default */
+ char *null_print; /* how to print NULLs, `\N' by default */
} CopyStmt;
/* ----------------------
typedef enum ConstrType /* types of constraints */
{
- CONSTR_NULL, /* not SQL92, but a lot of people expect it */
+ CONSTR_NULL, /* not SQL92, but a lot of people expect
+ * it */
CONSTR_NOTNULL,
CONSTR_DEFAULT,
CONSTR_CHECK,
typedef struct FkConstraint
{
NodeTag type;
- char *constr_name; /* Constraint name */
- char *pktable_name; /* Primary key table name */
- List *fk_attrs; /* Attributes of foreign key */
- List *pk_attrs; /* Corresponding attrs in PK table */
- char *match_type; /* FULL or PARTIAL */
- int32 actions; /* ON DELETE/UPDATE actions */
- bool deferrable; /* DEFERRABLE */
- bool initdeferred; /* INITIALLY DEFERRED */
+ char *constr_name; /* Constraint name */
+ char *pktable_name; /* Primary key table name */
+ List *fk_attrs; /* Attributes of foreign key */
+ List *pk_attrs; /* Corresponding attrs in PK table */
+ char *match_type; /* FULL or PARTIAL */
+ int32 actions; /* ON DELETE/UPDATE actions */
+ bool deferrable; /* DEFERRABLE */
+ bool initdeferred; /* INITIALLY DEFERRED */
} FkConstraint;
List *attr; /* UPDATE OF a, b,... (NI) or NULL */
char *when; /* WHEN 'a > 10 ...' (NI) or NULL */
- /* The following are used for referential */
- /* integrity constraint triggers */
+ /* The following are used for referential */
+ /* integrity constraint triggers */
bool isconstraint; /* This is an RI trigger */
bool deferrable; /* [NOT] DEFERRABLE */
bool initdeferred; /* INITIALLY {DEFERRED|IMMEDIATE} */
NodeTag type;
char *user; /* PostgreSQL user login */
char *password; /* PostgreSQL user password */
- int sysid; /* PgSQL system id (-1 if don't care) */
- bool createdb; /* Can the user create databases? */
- bool createuser; /* Can this user create users? */
+ int sysid; /* PgSQL system id (-1 if don't care) */
+ bool createdb; /* Can the user create databases? */
+ bool createuser; /* Can this user create users? */
List *groupElts; /* The groups the user is a member of */
char *validUntil; /* The time the login is valid until */
} CreateUserStmt;
NodeTag type;
char *user; /* PostgreSQL user login */
char *password; /* PostgreSQL user password */
- int createdb; /* Can the user create databases? */
- int createuser; /* Can this user create users? */
+ int createdb; /* Can the user create databases? */
+ int createuser; /* Can this user create users? */
char *validUntil; /* The time the login is valid until */
} AlterUserStmt;
typedef struct DropUserStmt
{
NodeTag type;
- List *users; /* List of users to remove */
+ List *users; /* List of users to remove */
} DropUserStmt;
/* ----------------------
- * Create/Alter/Drop Group Statements
+ * Create/Alter/Drop Group Statements
* ----------------------
*/
typedef struct CreateGroupStmt
{
- NodeTag type;
- char *name; /* name of the new group */
- int sysid; /* group id (-1 if pick default) */
- List *initUsers; /* list of initial users */
+ NodeTag type;
+ char *name; /* name of the new group */
+ int sysid; /* group id (-1 if pick default) */
+ List *initUsers; /* list of initial users */
} CreateGroupStmt;
typedef struct AlterGroupStmt
{
- NodeTag type;
- char *name; /* name of group to alter */
- int action; /* +1 = add, -1 = drop user */
- int sysid; /* sysid change */
- List *listUsers; /* list of users to add/drop */
+ NodeTag type;
+ char *name; /* name of group to alter */
+ int action; /* +1 = add, -1 = drop user */
+ int sysid; /* sysid change */
+ List *listUsers; /* list of users to add/drop */
} AlterGroupStmt;
typedef struct DropGroupStmt
{
- NodeTag type;
- char *name;
+ NodeTag type;
+ char *name;
} DropGroupStmt;
} DropStmt;
/* ----------------------
- * Truncate Table Statement
+ * Truncate Table Statement
* ----------------------
*/
typedef struct TruncateStmt
{
- NodeTag type;
- char *relName; /* relation to be truncated */
+ NodeTag type;
+ char *relName; /* relation to be truncated */
} TruncateStmt;
/* ----------------------
- * Comment On Statement
+ * Comment On Statement
* ----------------------
*/
typedef struct CommentStmt
{
- NodeTag type;
- int objtype; /* Object's type */
- char *objname; /* Name of the object */
- char *objproperty; /* Property Id (such as column) */
- List *objlist; /* Arguments for VAL objects */
- char *comment; /* The comment to insert */
+ NodeTag type;
+ int objtype; /* Object's type */
+ char *objname; /* Name of the object */
+ char *objproperty; /* Property Id (such as column) */
+ List *objlist; /* Arguments for VAL objects */
+ char *comment; /* The comment to insert */
} CommentStmt;
-
+
/* ----------------------
* Extend Index Statement
* ----------------------
typedef struct ConstraintsSetStmt
{
NodeTag type;
- List *constraints;
+ List *constraints;
bool deferred;
} ConstraintsSetStmt;
typedef struct ReindexStmt
{
NodeTag type;
- int reindexType; /* INDEX|TABLE|DATABASE */
- const char *name; /* name to reindex */
+ int reindexType; /* INDEX|TABLE|DATABASE */
+ const char *name; /* name to reindex */
bool force;
bool all;
} ReindexStmt;
{
NodeTag type;
char *relname; /* relation to insert into */
- List *distinctClause; /* NULL, list of DISTINCT ON exprs, or
- * lcons(NIL,NIL) for all (SELECT DISTINCT) */
+ List *distinctClause; /* NULL, list of DISTINCT ON exprs, or
+ * lcons(NIL,NIL) for all (SELECT
+ * DISTINCT) */
List *cols; /* names of the columns */
List *targetList; /* the target list (of ResTarget) */
List *fromClause; /* the from clause */
typedef struct SelectStmt
{
NodeTag type;
- List *distinctClause; /* NULL, list of DISTINCT ON exprs, or
- * lcons(NIL,NIL) for all (SELECT DISTINCT) */
+ List *distinctClause; /* NULL, list of DISTINCT ON exprs, or
+ * lcons(NIL,NIL) for all (SELECT
+ * DISTINCT) */
char *into; /* name of table (for select into table) */
List *targetList; /* the target list (of ResTarget) */
List *fromClause; /* the from clause */
* Supporting data structures for Parse Trees
*
* Most of these node types appear in raw parsetrees output by the grammar,
- * and get transformed to something else by the analyzer. A few of them
+ * and get transformed to something else by the analyzer. A few of them
* are used as-is in transformed querytrees.
****************************************************************************/
* in either "raw" form (an untransformed parse tree) or "cooked" form
* (the nodeToString representation of an executable expression tree),
* depending on how this ColumnDef node was created (by parsing, or by
- * inheritance from an existing relation). We should never have both
+ * inheritance from an existing relation). We should never have both
* in the same node!
*
* The constraints list may contain a CONSTR_DEFAULT item in a raw
TypeName *typename; /* type of column */
bool is_not_null; /* flag to NOT NULL constraint */
bool is_sequence; /* is a sequence? */
- Node *raw_default; /* default value (untransformed parse tree) */
- char *cooked_default; /* nodeToString representation */
+ Node *raw_default; /* default value (untransformed parse
+ * tree) */
+ char *cooked_default; /* nodeToString representation */
List *constraints; /* other constraints on column */
} ColumnDef;
* inFromCl marks those range variables that are listed in the FROM clause.
* In SQL, the query can only refer to range variables listed in the
* FROM clause, but POSTQUEL allows you to refer to tables not listed,
- * in which case a range table entry will be generated. We still support
+ * in which case a range table entry will be generated. We still support
* this POSTQUEL feature, although there is some doubt whether it's
* convenient or merely confusing. The flag is needed since an
* implicitly-added RTE shouldn't change the namespace for unqualified
* Here we should get the product of the sizes of tx and ty. However,
* the query optimizer can simplify the WHERE clause to "TRUE", so
* ty will no longer be referred to explicitly; without a flag forcing
- * it to be included in the join, we will get the wrong answer. So,
+ * it to be included in the join, we will get the wrong answer. So,
* a POSTQUEL implicit RTE must be marked inJoinSet but not inFromCl.
*--------------------
*/
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pg_list.h,v 1.16 2000/02/21 18:47:12 tgl Exp $
+ * $Id: pg_list.h,v 1.17 2000/04/12 17:16:40 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* The same Value struct is used for three node types: T_Integer,
* T_Float, and T_String. Integral values are actually represented
* by a machine integer, but both floats and strings are represented
- * as strings. Using T_Float as the node type simply indicates that
+ * as strings. Using T_Float as the node type simply indicates that
* the contents of the string look like a valid numeric literal.
*
* (Before Postgres 7.0, we used a double to represent T_Float,
* but that creates loss-of-precision problems when the value is
- * ultimately destined to be converted to NUMERIC. Since Value nodes
+ * ultimately destined to be converted to NUMERIC. Since Value nodes
* are only used in the parsing process, not for runtime data, it's
* better to use the more general representation.)
*
extern Value *makeInteger(long i);
extern Value *makeFloat(char *numericStr);
extern Value *makeString(char *str);
-extern List *makeList(void *elem, ...);
+extern List *makeList(void *elem,...);
extern List *lappend(List *list, void *datum);
extern List *lappendi(List *list, int datum);
extern List *lremove(void *elem, List *list);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: plannodes.h,v 1.38 2000/02/15 20:49:25 tgl Exp $
+ * $Id: plannodes.h,v 1.39 2000/04/12 17:16:40 momjian Exp $
*
*-------------------------------------------------------------------------
*/
NodeTag type;
/* estimated execution costs for plan (see costsize.c for more info) */
- Cost startup_cost; /* cost expended before fetching any tuples */
- Cost total_cost; /* total cost (assuming all tuples fetched) */
+ Cost startup_cost; /* cost expended before fetching any
+ * tuples */
+ Cost total_cost; /* total cost (assuming all tuples
+ * fetched) */
- /* planner's estimate of result size (note: LIMIT, if any, is not
+ /*
+ * planner's estimate of result size (note: LIMIT, if any, is not
* considered in setting plan_rows)
*/
double plan_rows; /* number of rows plan is expected to emit */
List *indxid;
List *indxqual;
List *indxqualorig;
- ScanDirection indxorderdir;
+ ScanDirection indxorderdir;
IndexScanState *indxstate;
} IndexScan;
/* ----------------
- * tid scan node
+ * tid scan node
* ----------------
*/
typedef struct TidScan
TidScanState *tidstate;
} TidScan;
-/*
+/*
* ==========
* Join nodes
* ==========
Plan plan; /* noname node flattened out */
Oid nonameid;
int keycount;
- int numCols; /* number of columns to check for uniqueness */
+ int numCols; /* number of columns to check for
+ * uniqueness */
AttrNumber *uniqColIdx; /* indexes into the target list */
UniqueState *uniquestate;
} Unique;
List *setParam; /* non-correlated EXPR & EXISTS subqueries
* have to set some Params for paren Plan */
List *parParam; /* indices of corr. Vars from parent plan */
- SubLink *sublink; /* SubLink node from parser; holds info about
- * what to do with subselect's results */
+ SubLink *sublink; /* SubLink node from parser; holds info
+ * about what to do with subselect's
+ * results */
+
/*
- * Remaining fields are working state for executor; not used in planning
+ * Remaining fields are working state for executor; not used in
+ * planning
*/
bool shutdown; /* TRUE = need to shutdown plan */
HeapTuple curTuple; /* copy of most recent tuple from subplan */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: primnodes.h,v 1.40 2000/02/20 21:32:16 tgl Exp $
+ * $Id: primnodes.h,v 1.41 2000/04/12 17:16:40 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* restype - type of the value
* restypmod - type-specific modifier of the value
* resname - name of the resdom (could be NULL)
- * ressortgroupref - nonzero if referenced by a sort/group clause
+ * ressortgroupref - nonzero if referenced by a sort/group clause
* reskey - order of key in a sort (for those > 0)
* reskeyop - sort operator's regproc Oid
* resjunk - set to true to eliminate the attribute
*
* Notes:
* ressortgroupref is the parse/plan-time representation of ORDER BY and
- * GROUP BY items. Targetlist entries with ressortgroupref=0 are not
+ * GROUP BY items. Targetlist entries with ressortgroupref=0 are not
* sort/group items. If ressortgroupref>0, then this item is an ORDER BY or
- * GROUP BY value. No two entries in a targetlist may have the same nonzero
+ * GROUP BY value. No two entries in a targetlist may have the same nonzero
* ressortgroupref --- but there is no particular meaning to the nonzero
- * values, except as tags. (For example, one must not assume that lower
- * ressortgroupref means a more significant sort key.) The order of the
+ * values, except as tags. (For example, one must not assume that lower
+ * ressortgroupref means a more significant sort key.) The order of the
* associated SortClause or GroupClause lists determine the semantics.
*
* reskey and reskeyop are the execution-time representation of sorting.
* subselect - subselect as Query* or parsetree
*
* A SubLink represents a subselect appearing in an expression, and in some
- * cases also the combining operator(s) just above it. The subLinkType
+ * cases also the combining operator(s) just above it. The subLinkType
* indicates the form of the expression represented:
* EXISTS_SUBLINK EXISTS(SELECT ...)
* ALL_SUBLINK (lefthand) op ALL (SELECT ...)
* NOTE: lefthand and oper have varying meanings depending on where you look
* in the parse/plan pipeline:
* 1. gram.y delivers a list of the (untransformed) lefthand expressions in
- * lefthand, and sets oper to a one-element list containing the string
- * name of the operator.
+ * lefthand, and sets oper to a one-element list containing the string
+ * name of the operator.
* 2. The parser's expression transformation transforms lefthand normally,
- * and replaces oper with a list of Oper nodes, one per lefthand
- * expression. These nodes represent the parser's resolution of exactly
- * which operator to apply to each pair of lefthand and targetlist
- * expressions. However, we have not constructed actual Expr trees for
- * these operators yet. This is the representation seen in saved rules
- * and in the rewriter.
+ * and replaces oper with a list of Oper nodes, one per lefthand
+ * expression. These nodes represent the parser's resolution of exactly
+ * which operator to apply to each pair of lefthand and targetlist
+ * expressions. However, we have not constructed actual Expr trees for
+ * these operators yet. This is the representation seen in saved rules
+ * and in the rewriter.
* 3. Finally, the planner converts the oper list to a list of normal Expr
- * nodes representing the application of the operator(s) to the lefthand
- * expressions and values from the inner targetlist. The inner
- * targetlist items are represented by placeholder Param or Const nodes.
- * The lefthand field is set to NIL, since its expressions are now in
- * the Expr list. This representation is passed to the executor.
+ * nodes representing the application of the operator(s) to the lefthand
+ * expressions and values from the inner targetlist. The inner
+ * targetlist items are represented by placeholder Param or Const nodes.
+ * The lefthand field is set to NIL, since its expressions are now in
+ * the Expr list. This representation is passed to the executor.
*
* Planner routines that might see either representation 2 or 3 can tell
* the difference by checking whether lefthand is NIL or not. Also,
* found in SubLinks that are children of SubPlan nodes.
*
* In EXISTS and EXPR SubLinks, both lefthand and oper are unused and are
- * always NIL. useor is not significant either for these sublink types.
+ * always NIL. useor is not significant either for these sublink types.
* ----------------
*/
typedef enum SubLinkType
* refelemlength - length of the array element type
* refelembyval - is the element type pass-by-value?
* refupperindexpr - expressions that evaluate to upper array indexes
- * reflowerindexpr - expressions that evaluate to lower array indexes
+ * reflowerindexpr - expressions that evaluate to lower array indexes
* refexpr - the expression that evaluates to an array value
* refassgnexpr - expression for the source value, or NULL if fetch
*
* If reflowerindexpr = NIL, then we are fetching or storing a single array
- * element at the subscripts given by refupperindexpr. Otherwise we are
+ * element at the subscripts given by refupperindexpr. Otherwise we are
* fetching or storing an array slice, that is a rectangular subarray
* with lower and upper bounds given by the index expressions.
* reflowerindexpr must be the same length as refupperindexpr when it
*
* Note: array types can be fixed-length (refattrlength > 0), but only
* when the element type is itself fixed-length. Otherwise they are
- * varlena structures and have refattrlength = -1. In any case,
+ * varlena structures and have refattrlength = -1. In any case,
* an array type is never pass-by-value.
*
* Note: currently, refelemtype is NOT the element type, but the array type,
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: relation.h,v 1.46 2000/03/22 22:08:29 tgl Exp $
+ * $Id: relation.h,v 1.47 2000/04/12 17:16:40 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* When looking for a "cheapest path", this enum specifies whether we want
* cheapest startup cost or cheapest total cost.
*/
-typedef enum CostSelector { STARTUP_COST, TOTAL_COST } CostSelector;
+typedef enum CostSelector
+{
+ STARTUP_COST, TOTAL_COST
+} CostSelector;
/*
* RelOptInfo
* (For example, in a 3-base-rel join, a clause relating rels 1 and 2 must be
* treated as a restrictclause if we join {1} and {2 3} to make {1 2 3}; but
* if we join {1 2} and {3} then that clause will be a restrictclause in {1 2}
- * and should not be processed again at the level of {1 2 3}.) Therefore,
+ * and should not be processed again at the level of {1 2 3}.) Therefore,
* the restrictinfo list in the join case appears in individual JoinPaths
* (field joinrestrictinfo), not in the parent relation. But it's OK for
* the RelOptInfo to store the joininfo lists, because those are the same
NodeTag type;
/* all relations included in this RelOptInfo */
- Relids relids; /* integer list of base relids (RT indexes) */
+ Relids relids; /* integer list of base relids (RT
+ * indexes) */
/* size estimates generated by planner */
double rows; /* estimated number of result tuples */
double tuples;
/* used by various scans and joins: */
- List *baserestrictinfo; /* RestrictInfo structures (if base rel) */
- Cost baserestrictcost; /* cost of evaluating the above */
+ List *baserestrictinfo; /* RestrictInfo structures (if
+ * base rel) */
+ Cost baserestrictcost; /* cost of evaluating the above */
List *joininfo; /* JoinInfo structures */
List *innerjoin; /* potential indexscans for nestloop joins */
- /* innerjoin indexscans are not in the main pathlist because they are
+
+ /*
+ * innerjoin indexscans are not in the main pathlist because they are
* not usable except in specific join contexts; we have to test before
* seeing whether they can be used.
*/
* ordering - List of PG_OPERATOR OIDs which order the indexscan result
* relam - the OID of the pg_am of the index
* amcostestimate - OID of the relam's cost estimator
- * indproc - OID of the function if a functional index, else 0
- * indpred - index predicate if a partial index, else NULL
+ * indproc - OID of the function if a functional index, else 0
+ * indpred - index predicate if a partial index, else NULL
* lossy - true if index is lossy (may return non-matching tuples)
*
* NB. the last element of the arrays classlist, indexkeys and ordering
Oid *ordering; /* OIDs of sort operators for each key */
Oid relam; /* OID of the access method (in pg_am) */
- RegProcedure amcostestimate; /* OID of the access method's cost fcn */
+ RegProcedure amcostestimate;/* OID of the access method's cost fcn */
Oid indproc; /* if a functional index */
List *indpred; /* if a partial index */
* PathKeys
*
* The sort ordering of a path is represented by a list of sublists of
- * PathKeyItem nodes. An empty list implies no known ordering. Otherwise
+ * PathKeyItem nodes. An empty list implies no known ordering. Otherwise
* the first sublist represents the primary sort key, the second the
- * first secondary sort key, etc. Each sublist contains one or more
+ * first secondary sort key, etc. Each sublist contains one or more
* PathKeyItem nodes, each of which can be taken as the attribute that
- * appears at that sort position. (See the top of optimizer/path/pathkeys.c
+ * appears at that sort position. (See the top of optimizer/path/pathkeys.c
* for more information.)
*/
Node *key; /* the item that is ordered */
Oid sortop; /* the ordering operator ('<' op) */
+
/*
- * key typically points to a Var node, ie a relation attribute,
- * but it can also point to a Func clause representing the value
- * indexed by a functional index. Someday we might allow arbitrary
- * expressions as path keys, so don't assume more than you must.
+ * key typically points to a Var node, ie a relation attribute, but it
+ * can also point to a Func clause representing the value indexed by a
+ * functional index. Someday we might allow arbitrary expressions as
+ * path keys, so don't assume more than you must.
*/
} PathKeyItem;
RelOptInfo *parent; /* the relation this path can build */
/* estimated execution costs for path (see costsize.c for more info) */
- Cost startup_cost; /* cost expended before fetching any tuples */
- Cost total_cost; /* total cost (assuming all tuples fetched) */
+ Cost startup_cost; /* cost expended before fetching any
+ * tuples */
+ Cost total_cost; /* total cost (assuming all tuples
+ * fetched) */
NodeTag pathtype; /* tag identifying scan/join method */
/* XXX why is pathtype separate from the NodeTag? */
} Path;
/*----------
- * IndexPath represents an index scan. Although an indexscan can only read
+ * IndexPath represents an index scan. Although an indexscan can only read
* a single relation, it can scan it more than once, potentially using a
* different index during each scan. The result is the union (OR) of all the
- * tuples matched during any scan. (The executor is smart enough not to return
+ * tuples matched during any scan. (The executor is smart enough not to return
* the same tuple more than once, even if it is matched in multiple scans.)
*
* 'indexid' is a list of index relation OIDs, one per scan to be performed.
typedef struct TidPath
{
- Path path;
- List *tideval;
- Relids unjoined_relids; /* some rels not yet part of my Path */
-} TidPath;
+ Path path;
+ List *tideval;
+ Relids unjoined_relids;/* some rels not yet part of my Path */
+} TidPath;
/*
* All join-type paths share these fields.
Path *outerjoinpath; /* path for the outer side of the join */
Path *innerjoinpath; /* path for the inner side of the join */
- List *joinrestrictinfo; /* RestrictInfos to apply to join */
- /* See the notes for RelOptInfo to understand why joinrestrictinfo is
+ List *joinrestrictinfo; /* RestrictInfos to apply to join */
+
+ /*
+ * See the notes for RelOptInfo to understand why joinrestrictinfo is
* needed in JoinPath, and can't be merged into the parent RelOptInfo.
*/
} JoinPath;
* A mergejoin path has these fields.
*
* path_mergeclauses lists the clauses (in the form of RestrictInfos)
- * that will be used in the merge. (Before 7.0, this was a list of
+ * that will be used in the merge. (Before 7.0, this was a list of
* bare clause expressions, but we can save on list memory by leaving
* it in the form of a RestrictInfo list.)
*
typedef struct MergePath
{
JoinPath jpath;
- List *path_mergeclauses; /* join clauses to be used for merge */
+ List *path_mergeclauses; /* join clauses to be used for
+ * merge */
List *outersortkeys; /* keys for explicit sort, if any */
List *innersortkeys; /* keys for explicit sort, if any */
} MergePath;
typedef struct HashPath
{
JoinPath jpath;
- List *path_hashclauses; /* join clauses used for hashing */
+ List *path_hashclauses; /* join clauses used for hashing */
} HashPath;
/*
* Restriction clause info.
*
* We create one of these for each AND sub-clause of a restriction condition
- * (WHERE clause). Since the restriction clauses are logically ANDed, we
+ * (WHERE clause). Since the restriction clauses are logically ANDed, we
* can use any one of them or any subset of them to filter out tuples,
* without having to evaluate the rest. The RestrictInfo node itself stores
* data used by the optimizer while choosing the best query plan.
* sequence we use. So, these clauses cannot be associated directly with
* the join RelOptInfo, but must be kept track of on a per-join-path basis.
*
- * In general, the referenced clause might be arbitrarily complex. The
+ * In general, the referenced clause might be arbitrarily complex. The
* kinds of clauses we can handle as indexscan quals, mergejoin clauses,
* or hashjoin clauses are fairly limited --- the code for each kind of
* path is responsible for identifying the restrict clauses it can use
Expr *clause; /* the represented clause of WHERE cond */
/* only used if clause is an OR clause: */
- List *subclauseindices; /* indexes matching subclauses */
+ List *subclauseindices; /* indexes matching subclauses */
/* subclauseindices is a List of Lists of IndexOptInfos */
/* valid if clause is mergejoinable, else InvalidOid: */
- Oid mergejoinoperator; /* copy of clause operator */
+ Oid mergejoinoperator; /* copy of clause operator */
Oid left_sortop; /* leftside sortop needed for mergejoin */
Oid right_sortop; /* rightside sortop needed for mergejoin */
/* valid if clause is hashjoinable, else InvalidOid: */
- Oid hashjoinoperator; /* copy of clause operator */
+ Oid hashjoinoperator; /* copy of clause operator */
} RestrictInfo;
/*
typedef struct JoinInfo
{
NodeTag type;
- Relids unjoined_relids; /* some rels not yet part of my RelOptInfo */
- List *jinfo_restrictinfo; /* relevant RestrictInfos */
+ Relids unjoined_relids;/* some rels not yet part of my RelOptInfo */
+ List *jinfo_restrictinfo; /* relevant RestrictInfos */
} JoinInfo;
/*
StreamPtr downstream;
bool groupup;
Cost groupcost;
- Selectivity groupsel;
+ Selectivity groupsel;
} Stream;
#endif /* RELATION_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: clauses.h,v 1.35 2000/04/04 01:21:45 tgl Exp $
+ * $Id: clauses.h,v 1.36 2000/04/12 17:16:41 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern void clause_get_relids_vars(Node *clause, Relids *relids, List **vars);
extern int NumRelids(Node *clause);
extern void get_relattval(Node *clause, int targetrelid,
- int *relid, AttrNumber *attno,
- Datum *constval, int *flag);
+ int *relid, AttrNumber *attno,
+ Datum *constval, int *flag);
extern void get_rels_atts(Node *clause, int *relid1,
AttrNumber *attno1, int *relid2, AttrNumber *attno2);
extern void CommuteClause(Expr *clause);
extern Node *eval_const_expressions(Node *node);
extern bool expression_tree_walker(Node *node, bool (*walker) (),
- void *context);
-extern Node *expression_tree_mutator(Node *node, Node * (*mutator) (),
- void *context);
+ void *context);
+extern Node *expression_tree_mutator(Node *node, Node *(*mutator) (),
+ void *context);
#define is_subplan(clause) ((clause) != NULL && \
IsA(clause, Expr) && \
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: cost.h,v 1.31 2000/03/22 22:08:30 tgl Exp $
+ * $Id: cost.h,v 1.32 2000/04/12 17:16:42 momjian Exp $
*
*-------------------------------------------------------------------------
*/
/* NB: cost-estimation code should use the variables, not these constants! */
#define DEFAULT_EFFECTIVE_CACHE_SIZE 1000.0 /* measured in pages */
#define DEFAULT_RANDOM_PAGE_COST 4.0
-#define DEFAULT_CPU_TUPLE_COST 0.01
+#define DEFAULT_CPU_TUPLE_COST 0.01
#define DEFAULT_CPU_INDEX_TUPLE_COST 0.001
#define DEFAULT_CPU_OPERATOR_COST 0.0025
extern void cost_seqscan(Path *path, RelOptInfo *baserel);
extern void cost_index(Path *path, Query *root,
- RelOptInfo *baserel, IndexOptInfo *index,
- List *indexQuals, bool is_injoin);
+ RelOptInfo *baserel, IndexOptInfo *index,
+ List *indexQuals, bool is_injoin);
extern void cost_tidscan(Path *path, RelOptInfo *baserel, List *tideval);
extern void cost_sort(Path *path, List *pathkeys, double tuples, int width);
extern void cost_nestloop(Path *path, Path *outer_path, Path *inner_path,
- List *restrictlist);
+ List *restrictlist);
extern void cost_mergejoin(Path *path, Path *outer_path, Path *inner_path,
- List *restrictlist,
- List *outersortkeys, List *innersortkeys);
+ List *restrictlist,
+ List *outersortkeys, List *innersortkeys);
extern void cost_hashjoin(Path *path, Path *outer_path, Path *inner_path,
- List *restrictlist, Selectivity innerdisbursion);
+ List *restrictlist, Selectivity innerdisbursion);
extern Cost cost_qual_eval(List *quals);
extern void set_baserel_size_estimates(Query *root, RelOptInfo *rel);
extern void set_joinrel_size_estimates(Query *root, RelOptInfo *rel,
- RelOptInfo *outer_rel,
- RelOptInfo *inner_rel,
- List *restrictlist);
+ RelOptInfo *outer_rel,
+ RelOptInfo *inner_rel,
+ List *restrictlist);
/*
* prototypes for clausesel.c
* routines to compute clause selectivities
*/
extern Selectivity restrictlist_selectivity(Query *root,
- List *restrictinfo_list,
- int varRelid);
+ List *restrictinfo_list,
+ int varRelid);
extern Selectivity clauselist_selectivity(Query *root,
- List *clauses,
- int varRelid);
+ List *clauses,
+ int varRelid);
extern Selectivity clause_selectivity(Query *root,
- Node *clause,
- int varRelid);
+ Node *clause,
+ int varRelid);
#endif /* COST_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pathnode.h,v 1.26 2000/02/15 20:49:26 tgl Exp $
+ * $Id: pathnode.h,v 1.27 2000/04/12 17:16:42 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* prototypes for pathnode.c
*/
extern int compare_path_costs(Path *path1, Path *path2,
- CostSelector criterion);
+ CostSelector criterion);
extern int compare_fractional_path_costs(Path *path1, Path *path2,
- double fraction);
+ double fraction);
extern void set_cheapest(RelOptInfo *parent_rel);
extern void add_path(RelOptInfo *parent_rel, Path *new_path);
extern Path *create_seqscan_path(RelOptInfo *rel);
extern IndexPath *create_index_path(Query *root, RelOptInfo *rel,
- IndexOptInfo *index,
- List *restriction_clauses,
- ScanDirection indexscandir);
+ IndexOptInfo *index,
+ List *restriction_clauses,
+ ScanDirection indexscandir);
extern TidPath *create_tidscan_path(RelOptInfo *rel, List *tideval);
extern NestPath *create_nestloop_path(RelOptInfo *joinrel,
- Path *outer_path,
- Path *inner_path,
- List *restrict_clauses,
- List *pathkeys);
+ Path *outer_path,
+ Path *inner_path,
+ List *restrict_clauses,
+ List *pathkeys);
extern MergePath *create_mergejoin_path(RelOptInfo *joinrel,
- Path *outer_path,
- Path *inner_path,
- List *restrict_clauses,
- List *pathkeys,
- List *mergeclauses,
- List *outersortkeys,
- List *innersortkeys);
+ Path *outer_path,
+ Path *inner_path,
+ List *restrict_clauses,
+ List *pathkeys,
+ List *mergeclauses,
+ List *outersortkeys,
+ List *innersortkeys);
extern HashPath *create_hashjoin_path(RelOptInfo *joinrel,
- Path *outer_path,
- Path *inner_path,
- List *restrict_clauses,
- List *hashclauses,
- Selectivity innerdisbursion);
+ Path *outer_path,
+ Path *inner_path,
+ List *restrict_clauses,
+ List *hashclauses,
+ Selectivity innerdisbursion);
/*
* prototypes for relnode.c
*/
extern RelOptInfo *get_base_rel(Query *root, int relid);
extern RelOptInfo *get_join_rel(Query *root, RelOptInfo *outer_rel,
- RelOptInfo *inner_rel,
- List **restrictlist_ptr);
+ RelOptInfo *inner_rel,
+ List **restrictlist_ptr);
/*
* prototypes for indexnode.h
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: paths.h,v 1.43 2000/02/15 20:49:26 tgl Exp $
+ * $Id: paths.h,v 1.44 2000/04/12 17:16:42 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* routines to generate index paths
*/
extern void create_index_paths(Query *root, RelOptInfo *rel, List *indices,
- List *restrictinfo_list,
- List *joininfo_list);
+ List *restrictinfo_list,
+ List *joininfo_list);
extern Oid indexable_operator(Expr *clause, Oid opclass, Oid relam,
- bool indexkey_on_left);
+ bool indexkey_on_left);
extern List *extract_or_indexqual_conditions(RelOptInfo *rel,
- IndexOptInfo *index,
- Expr *orsubclause);
+ IndexOptInfo *index,
+ Expr *orsubclause);
extern List *expand_indexqual_conditions(List *indexquals);
/*
* additional routines for indexable OR clauses
*/
extern void create_or_index_paths(Query *root, RelOptInfo *rel,
- List *clauses);
+ List *clauses);
/*
* tidpath.h
* routines to create join paths
*/
extern void add_paths_to_joinrel(Query *root, RelOptInfo *joinrel,
- RelOptInfo *outerrel,
- RelOptInfo *innerrel,
- List *restrictlist);
+ RelOptInfo *outerrel,
+ RelOptInfo *innerrel,
+ List *restrictlist);
/*
* joinrels.c
*/
extern void make_rels_by_joins(Query *root, int level);
extern RelOptInfo *make_rels_by_clause_joins(Query *root,
- RelOptInfo *old_rel,
- List *other_rels);
+ RelOptInfo *old_rel,
+ List *other_rels);
extern RelOptInfo *make_rels_by_clauseless_joins(Query *root,
- RelOptInfo *old_rel,
- List *other_rels);
+ RelOptInfo *old_rel,
+ List *other_rels);
/*
* pathkeys.c
extern PathKeysComparison compare_pathkeys(List *keys1, List *keys2);
extern bool pathkeys_contained_in(List *keys1, List *keys2);
extern Path *get_cheapest_path_for_pathkeys(List *paths, List *pathkeys,
- CostSelector cost_criterion);
+ CostSelector cost_criterion);
extern Path *get_cheapest_fractional_path_for_pathkeys(List *paths,
- List *pathkeys,
- double fraction);
+ List *pathkeys,
+ double fraction);
extern List *build_index_pathkeys(Query *root, RelOptInfo *rel,
- IndexOptInfo *index,
- ScanDirection scandir);
+ IndexOptInfo *index,
+ ScanDirection scandir);
extern List *build_join_pathkeys(List *outer_pathkeys,
- List *join_rel_tlist,
- List *equi_key_list);
+ List *join_rel_tlist,
+ List *equi_key_list);
extern List *make_pathkeys_for_sortclauses(List *sortclauses,
- List *tlist);
+ List *tlist);
extern List *find_mergeclauses_for_pathkeys(List *pathkeys,
- List *restrictinfos);
+ List *restrictinfos);
extern List *make_pathkeys_for_mergeclauses(Query *root,
- List *mergeclauses,
- List *tlist);
+ List *mergeclauses,
+ List *tlist);
#endif /* PATHS_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: plancat.h,v 1.17 2000/01/26 05:58:20 momjian Exp $
+ * $Id: plancat.h,v 1.18 2000/04/12 17:16:42 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern void relation_info(Query *root, Index relid,
- bool *hasindex, long *pages, double *tuples);
+ bool *hasindex, long *pages, double *tuples);
extern List *find_secondary_indexes(Query *root, Index relid);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: planmain.h,v 1.38 2000/02/15 20:49:26 tgl Exp $
+ * $Id: planmain.h,v 1.39 2000/04/12 17:16:42 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* prototypes for plan/planmain.c
*/
extern Plan *query_planner(Query *root, List *tlist, List *qual,
- double tuple_fraction);
+ double tuple_fraction);
/*
* prototypes for plan/createplan.c
*/
extern void set_plan_references(Plan *plan);
extern List *join_references(List *clauses, List *outer_tlist,
- List *inner_tlist, Index acceptable_rel);
+ List *inner_tlist, Index acceptable_rel);
extern void fix_opids(Node *node);
/*
#include "nodes/plannodes.h"
-extern Index PlannerQueryLevel; /* level of current query */
+extern Index PlannerQueryLevel; /* level of current query */
extern List *PlannerInitPlan; /* init subplans for current query */
extern List *PlannerParamVar; /* to get Var from Param->paramid */
extern int PlannerPlanId; /* to assign unique ID to subquery plans */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: tlist.h,v 1.24 2000/01/27 18:11:45 tgl Exp $
+ * $Id: tlist.h,v 1.25 2000/04/12 17:16:42 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern Var *get_expr(TargetEntry *tle);
extern TargetEntry *get_sortgroupclause_tle(SortClause *sortClause,
- List *targetList);
+ List *targetList);
extern Node *get_sortgroupclause_expr(SortClause *sortClause,
- List *targetList);
+ List *targetList);
#endif /* TLIST_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: gramparse.h,v 1.11 2000/01/26 05:58:26 momjian Exp $
+ * $Id: gramparse.h,v 1.12 2000/04/12 17:16:44 momjian Exp $
*
*-------------------------------------------------------------------------
*/
/* from scan.l */
extern void init_io(void);
extern int yylex(void);
-extern void yyerror(const char * message);
+extern void yyerror(const char *message);
/* from gram.y */
extern Oid param_type(int t);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: parse_agg.h,v 1.14 2000/01/26 05:58:26 momjian Exp $
+ * $Id: parse_agg.h,v 1.15 2000/04/12 17:16:45 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern void AddAggToParseState(ParseState *pstate, Aggref *aggref);
extern void parseCheckAggregates(ParseState *pstate, Query *qry);
extern Aggref *ParseAgg(ParseState *pstate, char *aggname, Oid basetype,
- List *args, bool agg_star, bool agg_distinct,
- int precedence);
+ List *args, bool agg_star, bool agg_distinct,
+ int precedence);
extern void agg_error(char *caller, char *aggname, Oid basetypeID);
#endif /* PARSE_AGG_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: parse_clause.h,v 1.16 2000/02/15 03:38:28 thomas Exp $
+ * $Id: parse_clause.h,v 1.17 2000/04/12 17:16:45 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern void setTargetTable(ParseState *pstate, char *relname);
extern Node *transformWhereClause(ParseState *pstate, Node *where);
extern List *transformGroupClause(ParseState *pstate, List *grouplist,
- List *targetlist);
+ List *targetlist);
extern List *transformSortClause(ParseState *pstate, List *orderlist,
- List *targetlist);
+ List *targetlist);
extern List *transformDistinctClause(ParseState *pstate, List *distinctlist,
- List *targetlist, List **sortClause);
+ List *targetlist, List **sortClause);
extern List *addAllTargetsToSortList(List *sortlist, List *targetlist);
extern Index assignSortGroupRef(TargetEntry *tle, List *tlist);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: parse_coerce.h,v 1.21 2000/03/20 15:42:47 momjian Exp $
+ * $Id: parse_coerce.h,v 1.22 2000/04/12 17:16:45 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern bool can_coerce_type(int nargs, Oid *input_typeids, Oid *func_typeids);
extern Node *coerce_type(ParseState *pstate, Node *node, Oid inputTypeId,
- Oid targetTypeId, int32 atttypmod);
+ Oid targetTypeId, int32 atttypmod);
extern Node *coerce_type_typmod(ParseState *pstate, Node *node,
- Oid targetTypeId, int32 atttypmod);
+ Oid targetTypeId, int32 atttypmod);
#endif /* PARSE_COERCE_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: parse_func.h,v 1.23 2000/03/16 06:35:06 tgl Exp $
+ * $Id: parse_func.h,v 1.24 2000/04/12 17:16:45 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern Node *ParseNestedFuncOrColumn(ParseState *pstate, Attr *attr,
int *curr_resno, int precedence);
extern Node *ParseFuncOrColumn(ParseState *pstate,
- char *funcname, List *fargs,
- bool agg_star, bool agg_distinct,
- int *curr_resno, int precedence);
+ char *funcname, List *fargs,
+ bool agg_star, bool agg_distinct,
+ int *curr_resno, int precedence);
extern List *setup_base_tlist(Oid typeid);
extern bool typeInheritsFrom(Oid subclassTypeId, Oid superclassTypeId);
extern void func_error(char *caller, char *funcname,
- int nargs, Oid *argtypes, char *msg);
+ int nargs, Oid *argtypes, char *msg);
#endif /* PARSE_FUNC_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: parse_node.h,v 1.18 2000/02/15 03:38:29 thomas Exp $
+ * $Id: parse_node.h,v 1.19 2000/04/12 17:16:45 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern ParseState *make_parsestate(ParseState *parentParseState);
extern Expr *make_op(char *opname, Node *ltree, Node *rtree);
extern Node *make_operand(char *opname, Node *tree,
- Oid orig_typeId, Oid target_typeId);
+ Oid orig_typeId, Oid target_typeId);
extern Var *make_var(ParseState *pstate, Oid relid, char *refname,
char *attrname);
extern ArrayRef *transformArraySubscripts(ParseState *pstate,
- Node *arrayBase,
- List *indirection,
- bool forceSlice,
- Node *assignFrom);
+ Node *arrayBase,
+ List *indirection,
+ bool forceSlice,
+ Node *assignFrom);
extern Const *make_const(Value *value);
#endif /* PARSE_NODE_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: parse_relation.h,v 1.15 2000/02/15 03:38:29 thomas Exp $
+ * $Id: parse_relation.h,v 1.16 2000/04/12 17:16:45 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern RangeTblEntry *refnameRangeTableEntry(ParseState *pstate, char *refname);
extern int refnameRangeTablePosn(ParseState *pstate,
- char *refname,
- int *sublevels_up);
+ char *refname,
+ int *sublevels_up);
extern RangeTblEntry *colnameRangeTableEntry(ParseState *pstate, char *colname);
extern RangeTblEntry *addRangeTableEntry(ParseState *pstate,
- char *relname,
- Attr *ref,
- bool inh,
- bool inFromCl,
- bool inJoinSet);
+ char *relname,
+ Attr *ref,
+ bool inh,
+ bool inFromCl,
+ bool inJoinSet);
extern Attr *expandTable(ParseState *pstate, char *refname, bool getaliases);
extern List *expandAll(ParseState *pstate, char *relname, Attr *ref,
- int *this_resno);
+ int *this_resno);
extern int attnameAttNum(Relation rd, char *a);
extern int specialAttNum(char *a);
extern bool attnameIsSet(Relation rd, char *name);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: parse_target.h,v 1.18 2000/01/26 05:58:27 momjian Exp $
+ * $Id: parse_target.h,v 1.19 2000/04/12 17:16:45 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern List *transformTargetList(ParseState *pstate, List *targetlist);
extern TargetEntry *transformTargetEntry(ParseState *pstate,
- Node *node, Node *expr,
- char *colname, bool resjunk);
+ Node *node, Node *expr,
+ char *colname, bool resjunk);
extern void updateTargetListEntry(ParseState *pstate, TargetEntry *tle,
- char *colname, int attrno,
- List *indirection);
+ char *colname, int attrno,
+ List *indirection);
extern Node *CoerceTargetExpr(ParseState *pstate, Node *expr,
- Oid type_id, Oid attrtype, int32 attrtypmod);
+ Oid type_id, Oid attrtype, int32 attrtypmod);
extern List *checkInsertTargets(ParseState *pstate, List *cols,
- List **attrnos);
+ List **attrnos);
#endif /* PARSE_TARGET_H */
#if defined(__alpha) && !defined(__alpha__)
#define __alpha__
#endif
-
#if defined(__powerpc__)
typedef unsigned int slock_t;
+
#else
typedef unsigned char slock_t;
+
#endif
#if defined(__i386__)
typedef unsigned char slock_t;
+
#define HAS_TEST_AND_SET
#elif defined(__sparc__)
typedef unsigned char slock_t;
+
#define HAS_TEST_AND_SET
#elif defined(__powerpc__)
typedef unsigned int slock_t;
+
#define HAS_TEST_AND_SET
#elif defined(__alpha__)
typedef long int slock_t;
+
#define HAS_TEST_AND_SET
#elif defined(__mips__)
typedef unsigned int slock_t;
+
#define HAS_TEST_AND_SET
#endif
#if defined(__powerpc__)
typedef unsigned int slock_t;
+
#else
typedef unsigned char slock_t;
+
#endif
-#include <sys/types.h> /* for namser.h */
-#include <arpa/nameser.h> /* for BYTE_ORDER */
-#include <process.h> /* for execv */
-#include <ioctl.h> /* for unix.h */
-#include <termios.h> /* for unix.h */
+#include <sys/types.h> /* for namser.h */
+#include <arpa/nameser.h> /* for BYTE_ORDER */
+#include <process.h> /* for execv */
+#include <ioctl.h> /* for unix.h */
+#include <termios.h> /* for unix.h */
#include <unix.h>
-#include <sys/select.h> /* for select */
+#include <sys/select.h> /* for select */
#if !defined(__GNUC__)
-#include <semaphore.h> /* for sem_t */
+#include <semaphore.h> /* for sem_t */
#endif
#define USE_POSIX_TIME
#define strncasecmp strnicmp
-#ifndef NAN
-#ifndef __nan_bytes
-#define __nan_bytes { 0, 0, 0, 0, 0, 0, 0xf8, 0x7f }
-#endif /* __nan_bytes */
+#ifndef NAN
+#ifndef __nan_bytes
+#define __nan_bytes { 0, 0, 0, 0, 0, 0, 0xf8, 0x7f }
+#endif /* __nan_bytes */
extern unsigned char __nan[8];
-#define NAN (*(const double *) __nan)
-#endif /* NAN */
+
+#define NAN (*(const double *) __nan)
+#endif /* NAN */
typedef u_short ushort;
#if defined(__GNUC__)
typedef unsigned char slock_t;
+
#else
typedef sem_t slock_t;
+
#endif
-extern int isnan(double dsrc);
+extern int isnan(double dsrc);
extern double rint(double x);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1995, Regents of the University of California
*
- * $Id: postgres.h,v 1.37 2000/03/17 02:36:34 tgl Exp $
+ * $Id: postgres.h,v 1.38 2000/04/12 17:16:24 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* some warnings about int->pointer conversions...
*/
typedef int32 ((*func_ptr) ());
-#else
+
+#else
typedef char *((*func_ptr) ());
+
#endif
#ifdef TUPLE_TOASTER_ACTIVE
typedef struct varattrib
{
- int32 va_header; /* External/compressed storage */
- /* flags and item size */
+ int32 va_header; /* External/compressed storage */
+ /* flags and item size */
union
{
struct
{
- int32 va_rawsize; /* Plain data size */
- } va_compressed; /* Compressed stored attribute */
+ int32 va_rawsize; /* Plain data size */
+ } va_compressed; /* Compressed stored attribute */
struct
{
- int32 va_rawsize; /* Plain data size */
- Oid va_valueid; /* Unique identifier of value */
- Oid va_longrelid; /* RelID where to find chunks */
- Oid va_rowid; /* Main tables row Oid */
- int16 va_attno; /* Main tables attno */
- } va_external; /* External stored attribute */
+ int32 va_rawsize; /* Plain data size */
+ Oid va_valueid; /* Unique identifier of value */
+ Oid va_longrelid; /* RelID where to find chunks */
+ Oid va_rowid; /* Main tables row Oid */
+ int16 va_attno; /* Main tables attno */
+ } va_external;/* External stored attribute */
- char va_data[1]; /* Plain stored attribute */
- } va_content;
-} varattrib;
+ char va_data[1]; /* Plain stored attribute */
+ } va_content;
+} varattrib;
#define VARATT_FLAG_EXTERNAL 0x8000
#define VARATT_FLAG_COMPRESSED 0x4000
#define VARATT_MASK_SIZE 0x3fff
#define VARATT_SIZEP(_PTR) (((varattrib *)(_PTR))->va_header)
-#define VARATT_SIZE(PTR) (VARATT_SIZEP(PTR) & VARATT_MASK_SIZE)
+#define VARATT_SIZE(PTR) (VARATT_SIZEP(PTR) & VARATT_MASK_SIZE)
#define VARATT_DATA(PTR) (((varattrib *)(PTR))->va_content.va_data)
#define VARATT_IS_EXTENDED(PTR) \
* so we (evil evil evil) declare it here once more.
* ----------
*/
-extern varattrib *heap_tuple_untoast_attr(varattrib *attr);
+extern varattrib *heap_tuple_untoast_attr(varattrib * attr);
#define VARATT_GETPLAIN(_ARG,_VAR) { \
if (VARATTR_IS_EXTENDED(_ARG)) \
- (_VAR) = (void *)heap_tuple_untoast_attr(_ARG); \
+ (_VAR) = (void *)heap_tuple_untoast_attr(_ARG); \
else \
(_VAR) = (_ARG); \
}
-#define VARATT_FREE(_ARG,VAR) { \
+#define VARATT_FREE(_ARG,VAR) do { \
if ((void *)(_VAR) != (void *)(_ARG)) \
pfree((void *)(_VAR)); \
- }
-#else /* TUPLE_TOASTER_ACTIVE */
+ } while (0)
+#else /* TUPLE_TOASTER_ACTIVE */
#define VARATT_SIZE(__PTR) VARSIZE(__PTR)
#define VARATT_SIZEP(__PTR) VARSIZE(__PTR)
-#endif /* TUPLE_TOASTER_ACTIVE */
+#endif /* TUPLE_TOASTER_ACTIVE */
/* We want NameData to have length NAMEDATALEN and int alignment,
* ---------------
*/
#ifdef CYR_RECODE
-extern void SetCharSet();
+extern void SetCharSet();
+
#endif /* CYR_RECODE */
#endif /* POSTGRES_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: rewriteManip.h,v 1.20 2000/03/16 03:23:17 tgl Exp $
+ * $Id: rewriteManip.h,v 1.21 2000/04/12 17:16:50 momjian Exp $
*
*-------------------------------------------------------------------------
*/
/* RewriteManip.c */
extern void OffsetVarNodes(Node *node, int offset, int sublevels_up);
extern void ChangeVarNodes(Node *node, int old_varno, int new_varno,
- int sublevels_up);
+ int sublevels_up);
extern void IncrementVarSublevelsUp(Node *node, int delta_sublevels_up,
- int min_sublevels_up);
+ int min_sublevels_up);
extern void AddQual(Query *parsetree, Node *qual);
extern void AddHavingQual(Query *parsetree, Node *havingQual);
extern void AddNotQual(Query *parsetree, Node *qual);
extern void FixNew(RewriteInfo *info, Query *parsetree);
extern void HandleRIRAttributeRule(Query *parsetree, List *rtable,
- List *targetlist, int rt_index,
- int attr_num, int *modified, int *badsql);
+ List *targetlist, int rt_index,
+ int attr_num, int *modified, int *badsql);
#endif /* REWRITEMANIP_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: buf_internals.h,v 1.36 2000/04/09 04:43:18 tgl Exp $
+ * $Id: buf_internals.h,v 1.37 2000/04/12 17:16:51 momjian Exp $
*
*-------------------------------------------------------------------------
*/
*/
typedef struct bufblindid
{
- char dbname[NAMEDATALEN]; /* name of db in which buf belongs */
- char relname[NAMEDATALEN]; /* name of reln */
-} BufferBlindId;
+ char dbname[NAMEDATALEN]; /* name of db in which buf belongs */
+ char relname[NAMEDATALEN]; /* name of reln */
+} BufferBlindId;
#define BAD_BUFFER_ID(bid) ((bid) < 1 || (bid) > NBuffers)
#define INVALID_DESCRIPTOR (-3)
extern int NLocBuffer;
extern BufferDesc *LocalBufferAlloc(Relation reln, BlockNumber blockNum,
- bool *foundPtr);
+ bool *foundPtr);
extern int WriteLocalBuffer(Buffer buffer, bool release);
extern int FlushLocalBuffer(Buffer buffer, bool release);
extern void InitLocalBuffer(void);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: buffile.h,v 1.3 2000/01/26 05:58:32 momjian Exp $
+ * $Id: buffile.h,v 1.4 2000/04/12 17:16:51 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern void BufFileClose(BufFile *file);
extern size_t BufFileRead(BufFile *file, void *ptr, size_t size);
extern size_t BufFileWrite(BufFile *file, void *ptr, size_t size);
-extern int BufFileSeek(BufFile *file, int fileno, long offset, int whence);
+extern int BufFileSeek(BufFile *file, int fileno, long offset, int whence);
extern void BufFileTell(BufFile *file, int *fileno, long *offset);
-extern int BufFileSeekBlock(BufFile *file, long blknum);
+extern int BufFileSeekBlock(BufFile *file, long blknum);
extern long BufFileTellBlock(BufFile *file);
#endif /* BUFFILE_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: bufmgr.h,v 1.36 2000/04/09 04:43:18 tgl Exp $
+ * $Id: bufmgr.h,v 1.37 2000/04/12 17:16:51 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern void FlushBufferPool(void);
extern BlockNumber BufferGetBlockNumber(Buffer buffer);
extern BlockNumber RelationGetNumberOfBlocks(Relation relation);
-extern int FlushRelationBuffers(Relation rel, BlockNumber block,
- bool doFlush);
+extern int FlushRelationBuffers(Relation rel, BlockNumber block,
+ bool doFlush);
extern void ReleaseRelationBuffers(Relation rel);
extern void DropBuffers(Oid dbid);
extern void PrintPinnedBufs(void);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: fd.h,v 1.20 2000/04/09 04:43:18 tgl Exp $
+ * $Id: fd.h,v 1.21 2000/04/12 17:16:51 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern void FreeFile(FILE *);
/* Miscellaneous support routines */
-extern bool ReleaseDataFile(void);
+extern bool ReleaseDataFile(void);
extern void closeAllVfds(void);
extern void AtEOXact_Files(void);
extern int pg_fsync(int fd);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: itempos.h,v 1.10 2000/01/26 05:58:33 momjian Exp $
+ * $Id: itempos.h,v 1.11 2000/04/12 17:16:51 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* unsigned LEN;
*/
#define PSKIP(OBJP, LEN)\
- { (OBJP)->op_cp += (LEN); (OBJP)->op_len -= (LEN); }
+ do { (OBJP)->op_cp += (LEN); (OBJP)->op_len -= (LEN); } while (0)
#endif /* ITEMPOS_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: lock.h,v 1.36 2000/01/26 05:58:33 momjian Exp $
+ * $Id: lock.h,v 1.37 2000/04/12 17:16:51 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* See LockShmemSize() in lock.c.
*
* NLOCKS_PER_XACT - The number of unique locks acquired in a transaction
- * (should be configurable!)
+ * (should be configurable!)
* NLOCKENTS - The maximum number of lock entries in the lock table.
* ----------------------
*/
typedef struct LTAG
{
- Oid relId;
- Oid dbId;
+ Oid relId;
+ Oid dbId;
union
{
- BlockNumber blkno;
- TransactionId xid;
- } objId;
- /*
- * offnum should be part of objId.tupleId above, but would increase
- * sizeof(LOCKTAG) and so moved here; currently used by userlocks only.
+ BlockNumber blkno;
+ TransactionId xid;
+ } objId;
+
+ /*
+ * offnum should be part of objId.tupleId above, but would increase
+ * sizeof(LOCKTAG) and so moved here; currently used by userlocks
+ * only.
*/
- OffsetNumber offnum;
- uint16 lockmethod; /* needed by userlocks */
+ OffsetNumber offnum;
+ uint16 lockmethod; /* needed by userlocks */
} LOCKTAG;
#define TAGSIZE (sizeof(LOCKTAG))
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: proc.h,v 1.29 2000/02/22 09:55:26 inoue Exp $
+ * $Id: proc.h,v 1.30 2000/04/12 17:16:51 momjian Exp $
*
*-------------------------------------------------------------------------
*/
int32 freeSemMap[MAX_PROC_SEMS / PROC_NSEMS_PER_SET];
/*
- * In each freeSemMap entry, the PROC_NSEMS_PER_SET least-significant bits
- * flag whether individual semaphores are in use, and the next higher bit
- * is set to show that the entire set is allocated.
+ * In each freeSemMap entry, the PROC_NSEMS_PER_SET least-significant
+ * bits flag whether individual semaphores are in use, and the next
+ * higher bit is set to show that the entire set is allocated.
*/
} PROC_HDR;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.69 2000/01/26 05:58:33 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.70 2000/04/12 17:16:51 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#else /* i.e. not __osf__ */
#define TAS(lock) tas(lock)
-#define S_UNLOCK(lock) { __asm__("mb"); *(lock) = 0; }
+#define S_UNLOCK(lock) do { __asm__("mb"); *(lock) = 0; } while (0)
static __inline__ int
tas(volatile slock_t *lock)
*/
#define S_UNLOCK(lock) \
-{ \
+do { \
volatile slock_t *lock_ = (volatile slock_t *) (lock); \
lock_->sema[0] = lock_->sema[1] = lock_->sema[2] = lock_->sema[3] = -1; \
-}
+} while (0)
#define S_LOCK_FREE(lock) ( *(int *) (((long) (lock) + 15) & ~15) != 0)
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: sinvaladt.h,v 1.20 2000/01/26 05:58:33 momjian Exp $
+ * $Id: sinvaladt.h,v 1.21 2000/04/12 17:16:52 momjian Exp $
*
*-------------------------------------------------------------------------
*/
/*
* The shared cache invalidation manager is responsible for transmitting
- * invalidation messages between backends. Any message sent by any backend
+ * invalidation messages between backends. Any message sent by any backend
* must be delivered to all already-running backends before it can be
* forgotten.
*
* In reality, the messages are stored in a circular buffer of MAXNUMMESSAGES
* entries. We translate MsgNum values into circular-buffer indexes by
* computing MsgNum % MAXNUMMESSAGES (this should be fast as long as
- * MAXNUMMESSAGES is a constant and a power of 2). As long as maxMsgNum
+ * MAXNUMMESSAGES is a constant and a power of 2). As long as maxMsgNum
* doesn't exceed minMsgNum by more than MAXNUMMESSAGES, we have enough space
* in the buffer. If the buffer does overflow, we reset it to empty and
* force each backend to "reset", ie, discard all its invalidatable state.
/* Shared cache invalidation memory segment */
typedef struct SISeg
{
+
/*
* General state information
*/
int minMsgNum; /* oldest message still needed */
int maxMsgNum; /* next message number to be assigned */
int maxBackends; /* size of procState array */
+
/*
* Circular buffer holding shared-inval messages
*/
- SharedInvalidData buffer[MAXNUMMESSAGES];
+ SharedInvalidData buffer[MAXNUMMESSAGES];
+
/*
* Per-backend state info.
*
extern SISeg *shmInvalBuffer; /* pointer to the shared buffer segment,
- * set by SISegmentAttach()
- */
+ * set by SISegmentAttach() */
/*
* prototypes for functions in sinvaladt.c
*/
-extern int SISegmentInit(bool createNewSegment, IPCKey key,
- int maxBackends);
+extern int SISegmentInit(bool createNewSegment, IPCKey key,
+ int maxBackends);
extern int SIBackendInit(SISeg *segP);
extern bool SIInsertDataEntry(SISeg *segP, SharedInvalidData *data);
-extern int SIGetDataEntry(SISeg *segP, int backendId,
- SharedInvalidData *data);
+extern int SIGetDataEntry(SISeg *segP, int backendId,
+ SharedInvalidData *data);
extern void SIDelExpiredDataEntries(SISeg *segP);
#endif /* SINVALADT_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: smgr.h,v 1.19 2000/04/10 23:41:45 tgl Exp $
+ * $Id: smgr.h,v 1.20 2000/04/12 17:16:52 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern int smgrextend(int16 which, Relation reln, char *buffer);
extern int smgropen(int16 which, Relation reln);
extern int smgrclose(int16 which, Relation reln);
-extern int smgrread(int16 which, Relation reln, BlockNumber blocknum,
- char *buffer);
-extern int smgrwrite(int16 which, Relation reln, BlockNumber blocknum,
- char *buffer);
-extern int smgrflush(int16 which, Relation reln, BlockNumber blocknum,
- char *buffer);
-extern int smgrblindwrt(int16 which, char *dbname, char *relname,
- Oid dbid, Oid relid,
- BlockNumber blkno, char *buffer,
- bool dofsync);
+extern int smgrread(int16 which, Relation reln, BlockNumber blocknum,
+ char *buffer);
+extern int smgrwrite(int16 which, Relation reln, BlockNumber blocknum,
+ char *buffer);
+extern int smgrflush(int16 which, Relation reln, BlockNumber blocknum,
+ char *buffer);
+extern int smgrblindwrt(int16 which, char *dbname, char *relname,
+ Oid dbid, Oid relid,
+ BlockNumber blkno, char *buffer,
+ bool dofsync);
extern int smgrmarkdirty(int16 which, Relation reln, BlockNumber blkno);
-extern int smgrblindmarkdirty(int16 which, char *dbname, char *relname,
- Oid dbid, Oid relid,
- BlockNumber blkno);
+extern int smgrblindmarkdirty(int16 which, char *dbname, char *relname,
+ Oid dbid, Oid relid,
+ BlockNumber blkno);
extern int smgrnblocks(int16 which, Relation reln);
extern int smgrtruncate(int16 which, Relation reln, int nblocks);
extern int smgrcommit(void);
extern int mdread(Relation reln, BlockNumber blocknum, char *buffer);
extern int mdwrite(Relation reln, BlockNumber blocknum, char *buffer);
extern int mdflush(Relation reln, BlockNumber blocknum, char *buffer);
-extern int mdblindwrt(char *dbname, char *relname, Oid dbid, Oid relid,
- BlockNumber blkno, char *buffer,
- bool dofsync);
+extern int mdblindwrt(char *dbname, char *relname, Oid dbid, Oid relid,
+ BlockNumber blkno, char *buffer,
+ bool dofsync);
extern int mdmarkdirty(Relation reln, BlockNumber blkno);
-extern int mdblindmarkdirty(char *dbname, char *relname, Oid dbid, Oid relid,
- BlockNumber blkno);
+extern int mdblindmarkdirty(char *dbname, char *relname, Oid dbid, Oid relid,
+ BlockNumber blkno);
extern int mdnblocks(Relation reln);
extern int mdtruncate(Relation reln, int nblocks);
extern int mdcommit(void);
extern int mmread(Relation reln, BlockNumber blocknum, char *buffer);
extern int mmwrite(Relation reln, BlockNumber blocknum, char *buffer);
extern int mmflush(Relation reln, BlockNumber blocknum, char *buffer);
-extern int mmblindwrt(char *dbname, char *relname, Oid dbid, Oid relid,
- BlockNumber blkno, char *buffer,
- bool dofsync);
+extern int mmblindwrt(char *dbname, char *relname, Oid dbid, Oid relid,
+ BlockNumber blkno, char *buffer,
+ bool dofsync);
extern int mmmarkdirty(Relation reln, BlockNumber blkno);
-extern int mmblindmarkdirty(char *dbname, char *relname, Oid dbid, Oid relid,
- BlockNumber blkno);
+extern int mmblindmarkdirty(char *dbname, char *relname, Oid dbid, Oid relid,
+ BlockNumber blkno);
extern int mmnblocks(Relation reln);
extern int mmtruncate(Relation reln, int nblocks);
extern int mmcommit(void);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: tcopprot.h,v 1.26 2000/04/04 21:44:37 tgl Exp $
+ * $Id: tcopprot.h,v 1.27 2000/04/12 17:16:53 momjian Exp $
*
* OLD COMMENTS
* This file was created so that other c files could get the two
extern DLLIMPORT sigjmp_buf Warn_restart;
extern bool Warn_restart_ready;
extern bool InError;
-extern bool ExitAfterAbort;
+extern bool ExitAfterAbort;
#ifndef BOOTSTRAP_INCLUDE
extern List *pg_parse_and_rewrite(char *query_string,
- Oid *typev, int nargs,
- bool aclOverride);
+ Oid *typev, int nargs,
+ bool aclOverride);
extern Plan *pg_plan_query(Query *querytree);
extern void pg_exec_query_acl_override(char *query_string);
extern void pg_exec_query_dest(char *query_string,
- CommandDest dest,
- bool aclOverride);
+ CommandDest dest,
+ bool aclOverride);
#endif /* BOOTSTRAP_INCLUDE */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: acl.h,v 1.24 2000/01/26 05:58:37 momjian Exp $
+ * $Id: acl.h,v 1.25 2000/04/12 17:16:54 momjian Exp $
*
* NOTES
* For backward-compatability purposes we have to allow there
AclId ai_id;
AclIdType ai_idtype;
AclMode ai_mode;
+
/*
- * This is actually type 'aclitem', and we want a fixed size for
- * for all platforms, so we pad this with dummies.
+ * This is actually type 'aclitem', and we want a fixed size for for
+ * all platforms, so we pad this with dummies.
*/
- char dummy1, dummy2;
+ char dummy1,
+ dummy2;
} AclItem;
/* Note: if the size of AclItem changes,
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: array.h,v 1.22 2000/01/26 05:58:37 momjian Exp $
+ * $Id: array.h,v 1.23 2000/04/12 17:16:54 momjian Exp $
*
* NOTES
* XXX the data array should be LONGALIGN'd -- notice that the array
*------------------------------------------------------------------------
*/
-#define RETURN_NULL {*isNull = true; return(0); }
+#define RETURN_NULL do {*isNull = true; return(0); } while (0)
#define NAME_LEN 30
#define MAX_BUFF_SIZE BLCKSZ
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: builtins.h,v 1.109 2000/04/08 02:13:10 thomas Exp $
+ * $Id: builtins.h,v 1.110 2000/04/12 17:16:54 momjian Exp $
*
* NOTES
* This should normally only be included by fmgr.h.
#define ltoa pg_ltoa
#endif /* hpux */
extern int32 pg_atoi(char *s, int size, int c);
+
/* XXX hack. QNX has itoa and ltoa (with different arguments) already. */
#ifdef __QNX__
#define itoa pg_itoa
#define ltoa pg_ltoa
-#endif /* QNX */
+#endif /* QNX */
extern void itoa(int i, char *a);
extern void ltoa(int32 l, char *a);
/* ruleutils.c */
extern text *pg_get_ruledef(NameData *rname);
-extern text *pg_get_viewdef(NameData *rname);
-extern text *pg_get_indexdef(Oid indexrelid);
+extern text *pg_get_viewdef(NameData *rname);
+extern text *pg_get_indexdef(Oid indexrelid);
extern NameData *pg_get_userbyid(int32 uid);
extern char *deparse_expression(Node *expr, List *rangetables,
- bool forceprefix);
+ bool forceprefix);
/* selfuncs.c */
extern float64 eqsel(Oid opid, Oid relid, AttrNumber attno, Datum value, int32 flag);
extern bool convert_to_scalar(Datum value, Oid typid, double *scaleval);
extern void btcostestimate(Query *root, RelOptInfo *rel,
- IndexOptInfo *index, List *indexQuals,
- Cost *indexStartupCost,
- Cost *indexTotalCost,
- Selectivity *indexSelectivity);
+ IndexOptInfo *index, List *indexQuals,
+ Cost *indexStartupCost,
+ Cost *indexTotalCost,
+ Selectivity *indexSelectivity);
extern void rtcostestimate(Query *root, RelOptInfo *rel,
- IndexOptInfo *index, List *indexQuals,
- Cost *indexStartupCost,
- Cost *indexTotalCost,
- Selectivity *indexSelectivity);
+ IndexOptInfo *index, List *indexQuals,
+ Cost *indexStartupCost,
+ Cost *indexTotalCost,
+ Selectivity *indexSelectivity);
extern void hashcostestimate(Query *root, RelOptInfo *rel,
- IndexOptInfo *index, List *indexQuals,
- Cost *indexStartupCost,
- Cost *indexTotalCost,
- Selectivity *indexSelectivity);
+ IndexOptInfo *index, List *indexQuals,
+ Cost *indexStartupCost,
+ Cost *indexTotalCost,
+ Selectivity *indexSelectivity);
extern void gistcostestimate(Query *root, RelOptInfo *rel,
- IndexOptInfo *index, List *indexQuals,
- Cost *indexStartupCost,
- Cost *indexTotalCost,
- Selectivity *indexSelectivity);
+ IndexOptInfo *index, List *indexQuals,
+ Cost *indexStartupCost,
+ Cost *indexTotalCost,
+ Selectivity *indexSelectivity);
/* tid.c */
extern ItemPointer tidin(const char *str);
extern char *tidout(ItemPointer itemPtr);
-extern bool tideq(ItemPointer,ItemPointer);
-extern bool tidne(ItemPointer,ItemPointer);
+extern bool tideq(ItemPointer, ItemPointer);
+extern bool tidne(ItemPointer, ItemPointer);
extern text *tid_text(ItemPointer);
-extern ItemPointer text_tid(const text *);
-extern ItemPointer currtid_byreloid(Oid relOid, ItemPointer);
-extern ItemPointer currtid_byrelname(const text* relName, ItemPointer);
+extern ItemPointer text_tid(const text *);
+extern ItemPointer currtid_byreloid(Oid relOid, ItemPointer);
+extern ItemPointer currtid_byrelname(const text *relName, ItemPointer);
/* varchar.c */
extern char *bpcharin(char *s, int dummy, int32 atttypmod);
extern text *btrim(text *string, text *set);
extern text *ltrim(text *string, text *set);
extern text *rtrim(text *string, text *set);
-extern text *substr(text *string, int4 m, int4 n);
+extern text *substr(text *string, int4 m, int4 n);
extern text *translate(text *string, text *from, text *to);
extern text *ichar(int4 arg1);
extern text *repeat(text *string, int4 count);
extern char *inet_cidr_ntop(int af, const void *src, int bits, char *dst, size_t size);
/* inet_net_pton.c */
-extern int inet_net_pton(int af, const char *src, void *dst, size_t size);
+extern int inet_net_pton(int af, const char *src, void *dst, size_t size);
/* network.c */
-extern inet *inet_in(char *str);
-extern char *inet_out(inet *addr);
-extern inet *cidr_in(char *str);
-extern char *cidr_out(inet *addr);
-extern bool network_lt(inet *a1, inet *a2);
-extern bool network_le(inet *a1, inet *a2);
-extern bool network_eq(inet *a1, inet *a2);
-extern bool network_ge(inet *a1, inet *a2);
-extern bool network_gt(inet *a1, inet *a2);
-extern bool network_ne(inet *a1, inet *a2);
-extern bool network_sub(inet *a1, inet *a2);
-extern bool network_subeq(inet *a1, inet *a2);
-extern bool network_sup(inet *a1, inet *a2);
-extern bool network_supeq(inet *a1, inet *a2);
-extern int4 network_cmp(inet *a1, inet *a2);
-
-extern text *network_network(inet *addr);
-extern text *network_netmask(inet *addr);
-extern int4 network_masklen(inet *addr);
-extern text *network_broadcast(inet *addr);
-extern text *network_host(inet *addr);
+extern inet *inet_in(char *str);
+extern char *inet_out(inet *addr);
+extern inet *cidr_in(char *str);
+extern char *cidr_out(inet *addr);
+extern bool network_lt(inet *a1, inet *a2);
+extern bool network_le(inet *a1, inet *a2);
+extern bool network_eq(inet *a1, inet *a2);
+extern bool network_ge(inet *a1, inet *a2);
+extern bool network_gt(inet *a1, inet *a2);
+extern bool network_ne(inet *a1, inet *a2);
+extern bool network_sub(inet *a1, inet *a2);
+extern bool network_subeq(inet *a1, inet *a2);
+extern bool network_sup(inet *a1, inet *a2);
+extern bool network_supeq(inet *a1, inet *a2);
+extern int4 network_cmp(inet *a1, inet *a2);
+
+extern text *network_network(inet *addr);
+extern text *network_netmask(inet *addr);
+extern int4 network_masklen(inet *addr);
+extern text *network_broadcast(inet *addr);
+extern text *network_host(inet *addr);
/* mac.c */
extern macaddr *macaddr_in(char *str);
-extern char *macaddr_out(macaddr *addr);
-extern bool macaddr_lt(macaddr *a1, macaddr *a2);
-extern bool macaddr_le(macaddr *a1, macaddr *a2);
-extern bool macaddr_eq(macaddr *a1, macaddr *a2);
-extern bool macaddr_ge(macaddr *a1, macaddr *a2);
-extern bool macaddr_gt(macaddr *a1, macaddr *a2);
-extern bool macaddr_ne(macaddr *a1, macaddr *a2);
-extern int4 macaddr_cmp(macaddr *a1, macaddr *a2);
-extern text *macaddr_manuf(macaddr *addr);
+extern char *macaddr_out(macaddr *addr);
+extern bool macaddr_lt(macaddr *a1, macaddr *a2);
+extern bool macaddr_le(macaddr *a1, macaddr *a2);
+extern bool macaddr_eq(macaddr *a1, macaddr *a2);
+extern bool macaddr_ge(macaddr *a1, macaddr *a2);
+extern bool macaddr_gt(macaddr *a1, macaddr *a2);
+extern bool macaddr_ne(macaddr *a1, macaddr *a2);
+extern int4 macaddr_cmp(macaddr *a1, macaddr *a2);
+extern text *macaddr_manuf(macaddr *addr);
/* numeric.c */
-extern Numeric numeric_in(char *str, int dummy, int32 typmod);
-extern char *numeric_out(Numeric num);
-extern Numeric numeric(Numeric num, int32 typmod);
-extern Numeric numeric_abs(Numeric num);
-extern Numeric numeric_uminus(Numeric num);
-extern Numeric numeric_sign(Numeric num);
-extern Numeric numeric_round(Numeric num, int32 scale);
-extern Numeric numeric_trunc(Numeric num, int32 scale);
-extern Numeric numeric_ceil(Numeric num);
-extern Numeric numeric_floor(Numeric num);
-extern int32 numeric_cmp(Numeric num1, Numeric num2);
-extern bool numeric_eq(Numeric num1, Numeric num2);
-extern bool numeric_ne(Numeric num1, Numeric num2);
-extern bool numeric_gt(Numeric num1, Numeric num2);
-extern bool numeric_ge(Numeric num1, Numeric num2);
-extern bool numeric_lt(Numeric num1, Numeric num2);
-extern bool numeric_le(Numeric num1, Numeric num2);
-extern Numeric numeric_add(Numeric num1, Numeric num2);
-extern Numeric numeric_sub(Numeric num1, Numeric num2);
-extern Numeric numeric_mul(Numeric num1, Numeric num2);
-extern Numeric numeric_div(Numeric num1, Numeric num2);
-extern Numeric numeric_mod(Numeric num1, Numeric num2);
-extern Numeric numeric_inc(Numeric num);
-extern Numeric numeric_dec(Numeric num);
-extern Numeric numeric_smaller(Numeric num1, Numeric num2);
-extern Numeric numeric_larger(Numeric num1, Numeric num2);
-extern Numeric numeric_sqrt(Numeric num);
-extern Numeric numeric_exp(Numeric num);
-extern Numeric numeric_ln(Numeric num);
-extern Numeric numeric_log(Numeric num1, Numeric num2);
-extern Numeric numeric_power(Numeric num1, Numeric num2);
-extern Numeric int4_numeric(int32 val);
-extern int32 numeric_int4(Numeric num);
-extern Numeric int8_numeric(int64 *val);
-extern int64 *numeric_int8(Numeric num);
-extern Numeric int2_numeric(int16 val);
-extern int16 numeric_int2(Numeric num);
-extern Numeric float4_numeric(float32 val);
-extern float32 numeric_float4(Numeric num);
-extern Numeric float8_numeric(float64 val);
-extern float64 numeric_float8(Numeric num);
+extern Numeric numeric_in(char *str, int dummy, int32 typmod);
+extern char *numeric_out(Numeric num);
+extern Numeric numeric(Numeric num, int32 typmod);
+extern Numeric numeric_abs(Numeric num);
+extern Numeric numeric_uminus(Numeric num);
+extern Numeric numeric_sign(Numeric num);
+extern Numeric numeric_round(Numeric num, int32 scale);
+extern Numeric numeric_trunc(Numeric num, int32 scale);
+extern Numeric numeric_ceil(Numeric num);
+extern Numeric numeric_floor(Numeric num);
+extern int32 numeric_cmp(Numeric num1, Numeric num2);
+extern bool numeric_eq(Numeric num1, Numeric num2);
+extern bool numeric_ne(Numeric num1, Numeric num2);
+extern bool numeric_gt(Numeric num1, Numeric num2);
+extern bool numeric_ge(Numeric num1, Numeric num2);
+extern bool numeric_lt(Numeric num1, Numeric num2);
+extern bool numeric_le(Numeric num1, Numeric num2);
+extern Numeric numeric_add(Numeric num1, Numeric num2);
+extern Numeric numeric_sub(Numeric num1, Numeric num2);
+extern Numeric numeric_mul(Numeric num1, Numeric num2);
+extern Numeric numeric_div(Numeric num1, Numeric num2);
+extern Numeric numeric_mod(Numeric num1, Numeric num2);
+extern Numeric numeric_inc(Numeric num);
+extern Numeric numeric_dec(Numeric num);
+extern Numeric numeric_smaller(Numeric num1, Numeric num2);
+extern Numeric numeric_larger(Numeric num1, Numeric num2);
+extern Numeric numeric_sqrt(Numeric num);
+extern Numeric numeric_exp(Numeric num);
+extern Numeric numeric_ln(Numeric num);
+extern Numeric numeric_log(Numeric num1, Numeric num2);
+extern Numeric numeric_power(Numeric num1, Numeric num2);
+extern Numeric int4_numeric(int32 val);
+extern int32 numeric_int4(Numeric num);
+extern Numeric int8_numeric(int64 *val);
+extern int64 *numeric_int8(Numeric num);
+extern Numeric int2_numeric(int16 val);
+extern int16 numeric_int2(Numeric num);
+extern Numeric float4_numeric(float32 val);
+extern float32 numeric_float4(Numeric num);
+extern Numeric float8_numeric(float64 val);
+extern float64 numeric_float8(Numeric num);
/* lztext.c */
-lztext *lztextin(char *str);
-char *lztextout(lztext *lz);
-text *lztext_text(lztext *lz);
-lztext *text_lztext(text *txt);
-int32 lztextlen(lztext *lz);
-int32 lztextoctetlen(lztext *lz);
-int32 lztext_cmp(lztext *lz1, lztext *lz2);
-bool lztext_eq(lztext *lz1, lztext *lz2);
-bool lztext_ne(lztext *lz1, lztext *lz2);
-bool lztext_gt(lztext *lz1, lztext *lz2);
-bool lztext_ge(lztext *lz1, lztext *lz2);
-bool lztext_lt(lztext *lz1, lztext *lz2);
-bool lztext_le(lztext *lz1, lztext *lz2);
+lztext *lztextin(char *str);
+char *lztextout(lztext *lz);
+text *lztext_text(lztext *lz);
+lztext *text_lztext(text *txt);
+int32 lztextlen(lztext *lz);
+int32 lztextoctetlen(lztext *lz);
+int32 lztext_cmp(lztext *lz1, lztext *lz2);
+bool lztext_eq(lztext *lz1, lztext *lz2);
+bool lztext_ne(lztext *lz1, lztext *lz2);
+bool lztext_gt(lztext *lz1, lztext *lz2);
+bool lztext_ge(lztext *lz1, lztext *lz2);
+bool lztext_lt(lztext *lz1, lztext *lz2);
+bool lztext_le(lztext *lz1, lztext *lz2);
/* ri_triggers.c */
-extern HeapTuple RI_FKey_check_ins(FmgrInfo *proinfo);
-extern HeapTuple RI_FKey_check_upd(FmgrInfo *proinfo);
-extern HeapTuple RI_FKey_noaction_del(FmgrInfo *proinfo);
-extern HeapTuple RI_FKey_noaction_upd(FmgrInfo *proinfo);
-extern HeapTuple RI_FKey_cascade_del(FmgrInfo *proinfo);
-extern HeapTuple RI_FKey_cascade_upd(FmgrInfo *proinfo);
-extern HeapTuple RI_FKey_restrict_del(FmgrInfo *proinfo);
-extern HeapTuple RI_FKey_restrict_upd(FmgrInfo *proinfo);
-extern HeapTuple RI_FKey_setnull_del(FmgrInfo *proinfo);
-extern HeapTuple RI_FKey_setnull_upd(FmgrInfo *proinfo);
-extern HeapTuple RI_FKey_setdefault_del(FmgrInfo *proinfo);
-extern HeapTuple RI_FKey_setdefault_upd(FmgrInfo *proinfo);
+extern HeapTuple RI_FKey_check_ins(FmgrInfo *proinfo);
+extern HeapTuple RI_FKey_check_upd(FmgrInfo *proinfo);
+extern HeapTuple RI_FKey_noaction_del(FmgrInfo *proinfo);
+extern HeapTuple RI_FKey_noaction_upd(FmgrInfo *proinfo);
+extern HeapTuple RI_FKey_cascade_del(FmgrInfo *proinfo);
+extern HeapTuple RI_FKey_cascade_upd(FmgrInfo *proinfo);
+extern HeapTuple RI_FKey_restrict_del(FmgrInfo *proinfo);
+extern HeapTuple RI_FKey_restrict_upd(FmgrInfo *proinfo);
+extern HeapTuple RI_FKey_setnull_del(FmgrInfo *proinfo);
+extern HeapTuple RI_FKey_setnull_upd(FmgrInfo *proinfo);
+extern HeapTuple RI_FKey_setdefault_del(FmgrInfo *proinfo);
+extern HeapTuple RI_FKey_setdefault_upd(FmgrInfo *proinfo);
#endif /* BUILTINS_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: catcache.h,v 1.20 2000/02/21 03:36:59 tgl Exp $
+ * $Id: catcache.h,v 1.21 2000/04/12 17:16:54 momjian Exp $
*
*-------------------------------------------------------------------------
*/
typedef struct catctup
{
HeapTuple ct_tup; /* A pointer to a tuple */
- /* Each tuple in the cache has two catctup items, one in the LRU list
+
+ /*
+ * Each tuple in the cache has two catctup items, one in the LRU list
* and one in the hashbucket list for its hash value. ct_node in each
* one points to the other one.
*/
#define NCCBUCK 500 /* CatCache buckets */
#define MAXTUP 300 /* Maximum # of tuples cached per cache */
-typedef uint32 (* CCHashFunc) (Datum);
+typedef uint32 (*CCHashFunc) (Datum);
typedef struct catcache
{
short cc_nkeys;
short cc_size;
short cc_key[4]; /* AttrNumber of each key */
- CCHashFunc cc_hashfunc[4]; /* hash function to use for each key */
+ CCHashFunc cc_hashfunc[4]; /* hash function to use for each key */
ScanKeyData cc_skey[4];
struct catcache *cc_next;
Dllist *cc_lrulist; /* LRU list, most recent first */
- Dllist *cc_cache[NCCBUCK + 1]; /* hash buckets */
+ Dllist *cc_cache[NCCBUCK + 1]; /* hash buckets */
} CatCache;
#define InvalidCatalogCacheId (-1)
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: date.h,v 1.2 2000/03/14 23:06:50 thomas Exp $
+ * $Id: date.h,v 1.3 2000/04/12 17:16:54 momjian Exp $
*
*-------------------------------------------------------------------------
*/
typedef struct
{
- double time; /* all time units other than months and years */
- int4 zone; /* numeric time zone, in seconds */
+ double time; /* all time units other than months and
+ * years */
+ int4 zone; /* numeric time zone, in seconds */
} TimeTzADT;
/* date.c */
extern bool time_le(TimeADT *time1, TimeADT *time2);
extern bool time_gt(TimeADT *time1, TimeADT *time2);
extern bool time_ge(TimeADT *time1, TimeADT *time2);
-extern int time_cmp(TimeADT *time1, TimeADT *time2);
+extern int time_cmp(TimeADT *time1, TimeADT *time2);
extern bool overlaps_time(TimeADT *time1, TimeADT *time2,
- TimeADT *time3, TimeADT *time4);
+ TimeADT *time3, TimeADT *time4);
extern TimeADT *time_larger(TimeADT *time1, TimeADT *time2);
extern TimeADT *time_smaller(TimeADT *time1, TimeADT *time2);
extern TimeADT *timestamp_time(Timestamp *timestamp);
extern bool timetz_le(TimeTzADT *time1, TimeTzADT *time2);
extern bool timetz_gt(TimeTzADT *time1, TimeTzADT *time2);
extern bool timetz_ge(TimeTzADT *time1, TimeTzADT *time2);
-extern int timetz_cmp(TimeTzADT *time1, TimeTzADT *time2);
+extern int timetz_cmp(TimeTzADT *time1, TimeTzADT *time2);
extern bool overlaps_timetz(TimeTzADT *time1, TimeTzADT *time2,
- TimeTzADT *time3, TimeTzADT *time4);
+ TimeTzADT *time3, TimeTzADT *time4);
extern TimeTzADT *timetz_larger(TimeTzADT *time1, TimeTzADT *time2);
extern TimeTzADT *timetz_smaller(TimeTzADT *time1, TimeTzADT *time2);
extern TimeTzADT *timestamp_timetz(Timestamp *timestamp);
extern Timestamp *datetimetz_timestamp(DateADT date, TimeTzADT *time);
#endif /* DATE_H */
-
-
-
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: datetime.h,v 1.11 2000/03/14 23:06:50 thomas Exp $
+ * $Id: datetime.h,v 1.12 2000/04/12 17:16:54 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern int date2j(int year, int month, int day);
extern int ParseDateTime(char *timestr, char *lowstr,
- char **field, int *ftype,
- int maxfields, int *numfields);
+ char **field, int *ftype,
+ int maxfields, int *numfields);
extern int DecodeDateTime(char **field, int *ftype,
- int nf, int *dtype,
- struct tm * tm, double *fsec, int *tzp);
+ int nf, int *dtype,
+ struct tm * tm, double *fsec, int *tzp);
extern int DecodeTimeOnly(char **field, int *ftype,
- int nf, int *dtype,
- struct tm * tm, double *fsec, int *tzp);
+ int nf, int *dtype,
+ struct tm * tm, double *fsec, int *tzp);
extern int DecodeDateDelta(char **field, int *ftype,
- int nf, int *dtype,
- struct tm * tm, double *fsec);
+ int nf, int *dtype,
+ struct tm * tm, double *fsec);
-extern int EncodeDateOnly(struct tm * tm, int style, char *str);
-extern int EncodeTimeOnly(struct tm * tm, double fsec, int *tzp, int style, char *str);
-extern int EncodeDateTime(struct tm * tm, double fsec, int *tzp, char **tzn, int style, char *str);
-extern int EncodeTimeSpan(struct tm * tm, double fsec, int style, char *str);
+extern int EncodeDateOnly(struct tm * tm, int style, char *str);
+extern int EncodeTimeOnly(struct tm * tm, double fsec, int *tzp, int style, char *str);
+extern int EncodeDateTime(struct tm * tm, double fsec, int *tzp, char **tzn, int style, char *str);
+extern int EncodeTimeSpan(struct tm * tm, double fsec, int style, char *str);
-extern int DecodeDate(char *str, int fmask, int *tmask, struct tm * tm);
+extern int DecodeDate(char *str, int fmask, int *tmask, struct tm * tm);
extern int DecodeNumber(int flen, char *field,
- int fmask, int *tmask,
- struct tm * tm, double *fsec, int *is2digits);
+ int fmask, int *tmask,
+ struct tm * tm, double *fsec, int *is2digits);
extern int DecodeNumberField(int len, char *str,
- int fmask, int *tmask,
- struct tm * tm, double *fsec, int *is2digits);
-extern int DecodeSpecial(int field, char *lowtoken, int *val);
+ int fmask, int *tmask,
+ struct tm * tm, double *fsec, int *is2digits);
+extern int DecodeSpecial(int field, char *lowtoken, int *val);
extern int DecodeTime(char *str, int fmask, int *tmask,
- struct tm * tm, double *fsec);
-extern int DecodeTimezone(char *str, int *tzp);
-extern int DecodeUnits(int field, char *lowtoken, int *val);
+ struct tm * tm, double *fsec);
+extern int DecodeTimezone(char *str, int *tzp);
+extern int DecodeUnits(int field, char *lowtoken, int *val);
extern datetkn *datebsearch(char *key, datetkn *base, unsigned int nel);
-extern int j2day(int jd);
+extern int j2day(int jd);
#endif /* DATETIME_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: elog.h,v 1.15 2000/01/26 05:58:37 momjian Exp $
+ * $Id: elog.h,v 1.16 2000/04/12 17:16:54 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#define NOTICE 0 /* random info - no special action */
#define ERROR (-1) /* user error - return to known state */
#define FATAL 1 /* fatal error - abort process */
-#define REALLYFATAL 2 /* take down the other backends with me */
-#define STOP REALLYFATAL
+#define REALLYFATAL 2 /* take down the other backends with me */
+#define STOP REALLYFATAL
#define DEBUG (-2) /* debug message */
-#define LOG DEBUG
+#define LOG DEBUG
#define NOIND (-3) /* debug message, don't indent as far */
#ifndef __GNUC__
-extern void elog(int lev, const char *fmt, ...);
+extern void elog(int lev, const char *fmt,...);
+
#else
/* This extension allows gcc to check the format string for consistency with
the supplied arguments. */
-extern void elog(int lev, const char *fmt, ...) __attribute__ ((format (printf, 2, 3)));
+extern void elog(int lev, const char *fmt,...) __attribute__((format(printf, 2, 3)));
+
#endif
#ifndef PG_STANDALONE
extern int DebugFileOpen(void);
+
#endif
#endif /* ELOG_H */
/* -----------------------------------------------------------------------
* formatting.h
*
- * $Id: formatting.h,v 1.3 2000/02/16 17:26:26 thomas Exp $
+ * $Id: formatting.h,v 1.4 2000/04/12 17:16:55 momjian Exp $
*
*
- * Portions Copyright (c) 1999-2000, PostgreSQL, Inc
+ * Portions Copyright (c) 1999-2000, PostgreSQL, Inc
*
- * The PostgreSQL routines for a DateTime/int/float/numeric formatting,
- * inspire with Oracle TO_CHAR() / TO_DATE() / TO_NUMBER() routines.
+ * The PostgreSQL routines for a DateTime/int/float/numeric formatting,
+ * inspire with Oracle TO_CHAR() / TO_DATE() / TO_NUMBER() routines.
*
- * Karel Zak - Zakkr
+ * Karel Zak - Zakkr
*
* -----------------------------------------------------------------------
*/
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: geo_decls.h,v 1.26 2000/03/14 23:06:50 thomas Exp $
+ * $Id: geo_decls.h,v 1.27 2000/04/12 17:16:55 momjian Exp $
*
* NOTE
* These routines do *not* use the float types from adt/.
/* geo_selfuncs.c */
extern float64 areasel(Oid opid, Oid relid, AttrNumber attno,
- Datum value, int32 flag);
+ Datum value, int32 flag);
extern float64 areajoinsel(Oid opid, Oid relid1, AttrNumber attno1,
- Oid relid2, AttrNumber attno2);
+ Oid relid2, AttrNumber attno2);
extern float64 positionsel(Oid opid, Oid relid, AttrNumber attno,
- Datum value, int32 flag);
+ Datum value, int32 flag);
extern float64 positionjoinsel(Oid opid, Oid relid1, AttrNumber attno1,
- Oid relid2, AttrNumber attno2);
+ Oid relid2, AttrNumber attno2);
extern float64 contsel(Oid opid, Oid relid, AttrNumber attno,
- Datum value, int32 flag);
+ Datum value, int32 flag);
extern float64 contjoinsel(Oid opid, Oid relid1, AttrNumber attno1,
- Oid relid2, AttrNumber attno2);
+ Oid relid2, AttrNumber attno2);
#endif /* GEO_DECLS_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: hsearch.h,v 1.14 2000/02/26 05:25:53 tgl Exp $
+ * $Id: hsearch.h,v 1.15 2000/04/12 17:16:55 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* In a hash table allocated in shared memory, the directory cannot be
* expanded because it must stay at a fixed address. The directory size
* should be selected using hash_select_dirsize (and you'd better have
- * a good idea of the maximum number of entries!). For non-shared hash
+ * a good idea of the maximum number of entries!). For non-shared hash
* tables, the initial directory size can be left at the default.
*/
#define DEF_SEGSIZE 256
-#define DEF_SEGSIZE_SHIFT 8 /* must be log2(DEF_SEGSIZE) */
+#define DEF_SEGSIZE_SHIFT 8/* must be log2(DEF_SEGSIZE) */
#define DEF_DIRSIZE 256
-#define DEF_FFACTOR 1 /* default fill factor */
+#define DEF_FFACTOR 1/* default fill factor */
#define PRIME1 37 /* for the hash function */
#define PRIME2 1048583
long nsegs; /* Number of allocated segments */
long keysize; /* hash key length in bytes */
long datasize; /* elem data length in bytes */
- long max_dsize; /* 'dsize' limit if directory is fixed size */
- BUCKET_INDEX freeBucketIndex; /* index of first free bucket */
+ long max_dsize; /* 'dsize' limit if directory is fixed
+ * size */
+ BUCKET_INDEX freeBucketIndex; /* index of first free bucket */
#ifdef HASH_STATISTICS
long accesses;
long collisions;
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: int8.h,v 1.19 2000/03/14 23:06:50 thomas Exp $
+ * $Id: int8.h,v 1.20 2000/04/12 17:16:55 momjian Exp $
*
* NOTES
* These data types are supported on all 64-bit architectures, and may
#ifdef NOT_USED
extern int16 int82(int64 *val);
+
#endif
extern float64 i8tod(int64 *val);
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: logtape.h,v 1.2 2000/01/26 05:58:38 momjian Exp $
+ * $Id: logtape.h,v 1.3 2000/04/12 17:16:55 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern LogicalTapeSet *LogicalTapeSetCreate(int ntapes);
extern void LogicalTapeSetClose(LogicalTapeSet *lts);
extern size_t LogicalTapeRead(LogicalTapeSet *lts, int tapenum,
- void *ptr, size_t size);
+ void *ptr, size_t size);
extern void LogicalTapeWrite(LogicalTapeSet *lts, int tapenum,
- void *ptr, size_t size);
+ void *ptr, size_t size);
extern void LogicalTapeRewind(LogicalTapeSet *lts, int tapenum, bool forWrite);
extern void LogicalTapeFreeze(LogicalTapeSet *lts, int tapenum);
extern bool LogicalTapeBackspace(LogicalTapeSet *lts, int tapenum,
- size_t size);
+ size_t size);
extern bool LogicalTapeSeek(LogicalTapeSet *lts, int tapenum,
- long blocknum, int offset);
+ long blocknum, int offset);
extern void LogicalTapeTell(LogicalTapeSet *lts, int tapenum,
- long *blocknum, int *offset);
+ long *blocknum, int *offset);
#endif /* LOGTAPE_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: lsyscache.h,v 1.22 2000/01/26 05:58:38 momjian Exp $
+ * $Id: lsyscache.h,v 1.23 2000/04/12 17:16:55 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern bool get_attisset(Oid relid, char *attname);
extern int32 get_atttypmod(Oid relid, AttrNumber attnum);
extern double get_attdisbursion(Oid relid, AttrNumber attnum,
- double min_estimate);
+ double min_estimate);
extern RegProcedure get_opcode(Oid opid);
extern char *get_opname(Oid opid);
extern bool op_mergejoinable(Oid opid, Oid ltype, Oid rtype,
/* ----------
* lztext.h
*
- * $Header: /cvsroot/pgsql/src/include/utils/Attic/lztext.h,v 1.2 1999/12/28 13:40:53 wieck Exp $
+ * $Header: /cvsroot/pgsql/src/include/utils/Attic/lztext.h,v 1.3 2000/04/12 17:16:55 momjian Exp $
*
* Definitions for the lztext compressed data type
* ----------
* The internal storage format of an LZ compressed text field
* ----------
*/
-typedef PGLZ_Header lztext;
+typedef PGLZ_Header lztext;
-#endif /* _LZTEXT_H_ */
+#endif /* _LZTEXT_H_ */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: memutils.h,v 1.33 2000/01/26 05:58:38 momjian Exp $
+ * $Id: memutils.h,v 1.34 2000/04/12 17:16:55 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* ----------------
*/
-#define TYPEALIGN(ALIGNVAL,LEN) (((long)(LEN) + (ALIGNVAL-1)) & ~(ALIGNVAL-1))
+#define TYPEALIGN(ALIGNVAL,LEN) (((long)(LEN) + (ALIGNVAL-1)) & ~(ALIGNVAL-1))
#define SHORTALIGN(LEN) TYPEALIGN(ALIGNOF_SHORT, (LEN))
#define INTALIGN(LEN) TYPEALIGN(ALIGNOF_INT, (LEN))
{
AllocBlock blocks; /* head of list of blocks in this set */
#define ALLOCSET_NUM_FREELISTS 8
- AllocChunk freelist[ALLOCSET_NUM_FREELISTS]; /* free chunk lists */
+ AllocChunk freelist[ALLOCSET_NUM_FREELISTS]; /* free chunk lists */
/* Note: this will change in the future to support other modes */
} AllocSetData;
/*
* AllocBlock
* An AllocBlock is the unit of memory that is obtained by aset.c
- * from malloc(). It contains one or more AllocChunks, which are
+ * from malloc(). It contains one or more AllocChunks, which are
* the units requested by palloc() and freed by pfree(). AllocChunks
* cannot be returned to malloc() individually, instead they are put
* on freelists by pfree() and re-used by the next palloc() that has
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: nabstime.h,v 1.24 2000/03/27 17:07:48 thomas Exp $
+ * $Id: nabstime.h,v 1.25 2000/04/12 17:16:55 momjian Exp $
*
*-------------------------------------------------------------------------
*/
*
* ----------------------------------------------------------------
*/
-/*
+/*
* Although time_t generally is a long int on 64 bit systems, these two
* types must be 4 bytes, because that's what the system assumes. They
* should be yanked (long) before 2038 and be replaced by timestamp and
* so redefine them explicitly using these bit patterns. - tgl 97/02/24
*/
#define EPOCH_ABSTIME ((AbsoluteTime) 0)
-#define INVALID_ABSTIME ((AbsoluteTime) 0x7FFFFFFE) /* 2147483647 (2^31 - 1) */
-#define CURRENT_ABSTIME ((AbsoluteTime) 0x7FFFFFFD) /* 2147483646 (2^31 - 2) */
-#define NOEND_ABSTIME ((AbsoluteTime) 0x7FFFFFFC) /* 2147483645 (2^31 - 3) */
-#define BIG_ABSTIME ((AbsoluteTime) 0x7FFFFFFB) /* 2147483644 (2^31 - 4) */
+#define INVALID_ABSTIME ((AbsoluteTime) 0x7FFFFFFE) /* 2147483647 (2^31 - 1) */
+#define CURRENT_ABSTIME ((AbsoluteTime) 0x7FFFFFFD) /* 2147483646 (2^31 - 2) */
+#define NOEND_ABSTIME ((AbsoluteTime) 0x7FFFFFFC) /* 2147483645 (2^31 - 3) */
+#define BIG_ABSTIME ((AbsoluteTime) 0x7FFFFFFB) /* 2147483644 (2^31 - 4) */
#if defined(_AIX)
/*
*/
#define NOSTART_ABSTIME ((AbsoluteTime) INT_MIN)
#else
-#define NOSTART_ABSTIME ((AbsoluteTime) 0x80000001) /* -2147483647 (- 2^31) */
+#define NOSTART_ABSTIME ((AbsoluteTime) 0x80000001) /* -2147483647 (- 2^31) */
#endif /* _AIX */
-#define INVALID_RELTIME ((RelativeTime) 0x7FFFFFFE) /* 2147483647 (2^31 - 1) */
+#define INVALID_RELTIME ((RelativeTime) 0x7FFFFFFE) /* 2147483647 (2^31 - 1) */
#define AbsoluteTimeIsValid(time) \
((bool) ((time) != INVALID_ABSTIME))
*
* 1998 Jan Wieck
*
- * $Header: /cvsroot/pgsql/src/include/utils/numeric.h,v 1.8 2000/01/15 23:42:48 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/include/utils/numeric.h,v 1.9 2000/04/12 17:16:55 momjian Exp $
*
* ----------
*/
#define NUMERIC_POS 0x0000
#define NUMERIC_NEG 0x4000
#define NUMERIC_NAN 0xC000
-#define NUMERIC_DSCALE_MASK 0x3FFF
+#define NUMERIC_DSCALE_MASK 0x3FFF
#define NUMERIC_SIGN(n) ((n)->n_sign_dscale & NUMERIC_SIGN_MASK)
#define NUMERIC_DSCALE(n) ((n)->n_sign_dscale & NUMERIC_DSCALE_MASK)
#define NUMERIC_IS_NAN(n) (NUMERIC_SIGN(n) != NUMERIC_POS && \
/* -----------------------------------------------------------------------
* pg_locale.h
*
- * $Header: /cvsroot/pgsql/src/include/utils/pg_locale.h,v 1.3 2000/03/18 18:57:15 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/include/utils/pg_locale.h,v 1.4 2000/04/12 17:16:55 momjian Exp $
*
*
- * Portions Copyright (c) 1999-2000, PostgreSQL, Inc
+ * Portions Copyright (c) 1999-2000, PostgreSQL, Inc
*
- * The PostgreSQL locale utils.
+ * The PostgreSQL locale utils.
*
* Karel Zak - Zakkr
*
* -----------------------------------------------------------------------
*/
-
- #ifndef _PG_LOCALE_
- #define _PG_LOCALE_
-
- #ifdef USE_LOCALE
-
+
+#ifndef _PG_LOCALE_
+#define _PG_LOCALE_
+
+#ifdef USE_LOCALE
+
/*------
* POSIX locale categories and environment variable LANG
*------
*/
-typedef struct PG_LocaleCategories {
- char *lang,
- *lc_ctype,
- *lc_numeric,
- *lc_time,
- *lc_collate,
- *lc_monetary,
- *lc_messages;
-} PG_LocaleCategories;
+typedef struct PG_LocaleCategories
+{
+ char *lang,
+ *lc_ctype,
+ *lc_numeric,
+ *lc_time,
+ *lc_collate,
+ *lc_monetary,
+ *lc_messages;
+} PG_LocaleCategories;
-extern PG_LocaleCategories *PGLC_current( PG_LocaleCategories *lc );
-extern PG_LocaleCategories *PGLC_setlocale( PG_LocaleCategories *lc );
+extern PG_LocaleCategories *PGLC_current(PG_LocaleCategories * lc);
+extern PG_LocaleCategories *PGLC_setlocale(PG_LocaleCategories * lc);
/*------
* Return the POSIX lconv struct (contains number/money formatting information)
- * with locale information for *all* categories. Returned lconv is *independent*
+ * with locale information for *all* categories. Returned lconv is *independent*
* on current locale catogories setting - in contrast to standard localeconv().
*------
*/
extern struct lconv *PGLC_localeconv(void);
-
-#endif /* USE_LOCALE */
-
-#endif /* _PG_LOCALE_ */
+
+#endif /* USE_LOCALE */
+
+#endif /* _PG_LOCALE_ */
/* ----------
* pg_lzcompress.h -
*
- * $Header: /cvsroot/pgsql/src/include/utils/pg_lzcompress.h,v 1.4 2000/01/05 18:23:52 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/include/utils/pg_lzcompress.h,v 1.5 2000/04/12 17:16:55 momjian Exp $
*
* Definitions for the builtin LZ compressor
* ----------
/* ----------
* PGLZ_Header -
*
- * The information at the top of the compressed data.
+ * The information at the top of the compressed data.
* The varsize must be kept the same data type as the value
* in front of all variable size data types in PostgreSQL.
* ----------
*/
-typedef struct PGLZ_Header {
- int32 varsize;
- int32 rawsize;
+typedef struct PGLZ_Header
+{
+ int32 varsize;
+ int32 rawsize;
} PGLZ_Header;
* uncompressed data.
* ----------
*/
-#define PGLZ_IS_COMPRESSED(_lzdata) (_lzdata->varsize != \
- _lzdata->rawsize + \
- sizeof(PGLZ_Header))
+#define PGLZ_IS_COMPRESSED(_lzdata) (_lzdata->varsize != \
+ _lzdata->rawsize + \
+ sizeof(PGLZ_Header))
/* ----------
* PGLZ_RAW_DATA -
* data. Useful if PGLZ_IS_COMPRESSED returns false.
* ----------
*/
-#define PGLZ_RAW_DATA(_lzdata) (((char *)(_lzdata)) + \
+#define PGLZ_RAW_DATA(_lzdata) (((char *)(_lzdata)) + \
sizeof(PGLZ_Header))
/* ----------
* lookup. When looking up the history to find a
* match that could be expressed as a tag, the
* algorithm does not allways walk back entirely.
- * A good match fast is usually better than the
+ * A good match fast is usually better than the
* best possible one very late. For each iteration
* in the lookup, this value is lowered so the
* longer the lookup takes, the smaller matches
* latest history entry at all).
* ----------
*/
-typedef struct PGLZ_Strategy {
+typedef struct PGLZ_Strategy
+{
int32 min_input_size;
int32 force_input_size;
int32 min_comp_rate;
* using pglz_decomp_getchar() macro.
* ----------
*/
-typedef struct PGLZ_DecompState {
- unsigned char *temp_buf;
- unsigned char *cp_in;
- unsigned char *cp_end;
- unsigned char *cp_out;
- unsigned char *cp_copy;
- int (*next_char)(struct PGLZ_DecompState *dstate);
- int tocopy;
- int ctrl_count;
- unsigned char ctrl;
+typedef struct PGLZ_DecompState
+{
+ unsigned char *temp_buf;
+ unsigned char *cp_in;
+ unsigned char *cp_end;
+ unsigned char *cp_out;
+ unsigned char *cp_copy;
+ int (*next_char) (struct PGLZ_DecompState *dstate);
+ int tocopy;
+ int ctrl_count;
+ unsigned char ctrl;
} PGLZ_DecompState;
* for generic interfacing.
* ----------
*/
-extern PGLZ_Strategy *PGLZ_strategy_default;
-extern PGLZ_Strategy *PGLZ_strategy_allways;
-extern PGLZ_Strategy *PGLZ_strategy_never;
+extern PGLZ_Strategy *PGLZ_strategy_default;
+extern PGLZ_Strategy *PGLZ_strategy_allways;
+extern PGLZ_Strategy *PGLZ_strategy_never;
/* ----------
* Initialize a decomp state from a compressed input.
* ----------
*/
-#define pglz_decomp_init(_ds,_lz) { \
- (_ds)->cp_in = ((unsigned char *)(_lz)) \
+#define pglz_decomp_init(_ds,_lz) do { \
+ (_ds)->cp_in = ((unsigned char *)(_lz)) \
+ sizeof(PGLZ_Header); \
- (_ds)->cp_end = (_ds)->cp_in + (_lz)->varsize \
+ (_ds)->cp_end = (_ds)->cp_in + (_lz)->varsize \
- sizeof(PGLZ_Header); \
if (PGLZ_IS_COMPRESSED((_lz))) { \
(_ds)->temp_buf = (unsigned char *) \
(_ds)->temp_buf = NULL; \
(_ds)->next_char = pglz_get_next_decomp_char_from_plain; \
} \
- }
+ } while (0)
/* ----------
* Deallocate resources after decompression.
* ----------
*/
-#define pglz_decomp_end(_ds) { \
+#define pglz_decomp_end(_ds) do { \
if ((_ds)->temp_buf != NULL) \
pfree((void *)((_ds)->temp_buf)); \
- }
+ } while (0)
/* ----------
* Global function declarations
* ----------
*/
-int pglz_compress (char *source, int32 slen, PGLZ_Header *dest,
- PGLZ_Strategy *strategy);
-int pglz_decompress (PGLZ_Header *source, char *dest);
+int pglz_compress(char *source, int32 slen, PGLZ_Header *dest,
+ PGLZ_Strategy *strategy);
+int pglz_decompress(PGLZ_Header *source, char *dest);
/* ----------
* Internal use only.
* ----------
*/
-extern int pglz_get_next_decomp_char_from_lzdata(PGLZ_DecompState *dstate);
-extern int pglz_get_next_decomp_char_from_plain(PGLZ_DecompState *dstate);
-
-#endif /* _PG_LZCOMPRESS_H_ */
+extern int pglz_get_next_decomp_char_from_lzdata(PGLZ_DecompState *dstate);
+extern int pglz_get_next_decomp_char_from_plain(PGLZ_DecompState *dstate);
+#endif /* _PG_LZCOMPRESS_H_ */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: portal.h,v 1.22 2000/02/18 09:30:16 inoue Exp $
+ * $Id: portal.h,v 1.23 2000/04/12 17:16:55 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* Special portals (well, their names anyway)
*/
#define VACPNAME "<vacuum>"
-#define TRUNCPNAME "<truncate>"
+#define TRUNCPNAME "<truncate>"
extern bool PortalNameIsSpecial(char *pname);
extern void AtEOXact_portals(void);
char *ps_status_buffer = NULL
#define PS_INIT_STATUS(argc, argv, execname, username, hostname, dbname) \
- { \
+ do { \
int i; \
for (i = 0; i < (argc); i++) { \
memset((argv)[i], 0, strlen((argv)[i])); \
sprintf(ps_status_buffer, "%s %s %s %s ", execname, username, hostname, dbname); \
ps_status_buffer += strlen(ps_status_buffer); \
ps_status_buffer[0] = '\0'; \
- }
+ } while (0)
#define PS_CLEAR_STATUS() \
- { if (ps_status_buffer) memset(ps_status_buffer, 0, strlen(ps_status_buffer)); }
+ do { if (ps_status_buffer) memset(ps_status_buffer, 0, strlen(ps_status_buffer)); }
#define PS_SET_STATUS(status) \
{ \
PS_CLEAR_STATUS(); \
strcpy(ps_status_buffer, status); \
} \
- }
+ } while (0)
#define PS_STATUS (ps_status_buffer ? ps_status_buffer : "")
#undef PS_DEFINE_BUFFER
#define PS_INIT_STATUS(argc, argv, execname, username, hostname, dbname) \
- { \
+ do { \
int i; \
Assert(argc >= 5); \
argv[0] = execname; \
argv[4] = Ps_status_buffer; \
for (i = 5; i < argc; i++) \
argv[i] = ""; /* blank them */ \
- }
+ } while (0)
#define PS_CLEAR_STATUS() \
- { Ps_status_buffer[0] = '\0'; }
+ do { Ps_status_buffer[0] = '\0'; } while (0)
#define PS_SET_STATUS(status) \
- { strcpy(Ps_status_buffer, (status)); }
+ do { strcpy(Ps_status_buffer, (status)); } while (0)
#define PS_STATUS (Ps_status_buffer)
#endif
#undef PS_DEFINE_BUFFER
#define PS_INIT_STATUS(argc, argv, execname, username, hostname, dbname)
#define PS_CLEAR_STATUS()
-#define PS_SET_STATUS(status) { if ((status)); }
+#define PS_SET_STATUS(status) do { if ((status)); } while (0)
#define PS_STATUS ""
#endif /* !linux */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: rel.h,v 1.35 2000/02/27 07:31:00 tgl Exp $
+ * $Id: rel.h,v 1.36 2000/04/12 17:16:55 momjian Exp $
*
*-------------------------------------------------------------------------
*/
Form_pg_am rd_am; /* AM tuple */
Form_pg_class rd_rel; /* RELATION tuple */
Oid rd_id; /* relation's object id */
- LockInfoData rd_lockInfo; /* lock manager's info for locking relation */
+ LockInfoData rd_lockInfo; /* lock manager's info for locking
+ * relation */
TupleDesc rd_att; /* tuple descriptor */
RuleLock *rd_rules; /* rewrite rules */
IndexStrategy rd_istrat;
extern void RelationSetIndexSupport(Relation relation,
- IndexStrategy strategy,
- RegProcedure *support);
+ IndexStrategy strategy,
+ RegProcedure *support);
#endif /* REL_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: syscache.h,v 1.24 2000/01/26 05:58:38 momjian Exp $
+ * $Id: syscache.h,v 1.25 2000/04/12 17:16:55 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern HeapTuple SearchSysCacheTuple(int cacheId,
Datum key1, Datum key2, Datum key3, Datum key4);
extern Datum SysCacheGetAttr(int cacheId, HeapTuple tup,
- AttrNumber attributeNumber,
- bool *isnull);
+ AttrNumber attributeNumber,
+ bool *isnull);
#endif /* SYSCACHE_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: temprel.h,v 1.8 2000/01/26 05:58:38 momjian Exp $
+ * $Id: temprel.h,v 1.9 2000/04/12 17:16:55 momjian Exp $
*
*-------------------------------------------------------------------------
*/
void remove_all_temp_relations(void);
void invalidate_temp_relations(void);
void remove_temp_relation(Oid relid);
-char *get_temp_rel_by_username(const char *user_relname);
-char *get_temp_rel_by_physicalname(const char *relname);
+char *get_temp_rel_by_username(const char *user_relname);
+char *get_temp_rel_by_physicalname(const char *relname);
#endif /* TEMPREL_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: timestamp.h,v 1.3 2000/04/07 13:40:12 thomas Exp $
+ * $Id: timestamp.h,v 1.4 2000/04/12 17:16:56 momjian Exp $
*
*-------------------------------------------------------------------------
*/
typedef struct
{
- double time; /* all time units other than months and years */
- int4 month; /* months and years, after time for alignment */
+ double time; /* all time units other than months and
+ * years */
+ int4 month; /* months and years, after time for
+ * alignment */
} Interval;
#define DT_CURRENT (DBL_MIN)
#define DT_EPOCH (-DBL_MIN)
-#define TIMESTAMP_INVALID(j) {j = DT_INVALID;}
+#define TIMESTAMP_INVALID(j) do {j = DT_INVALID;} while (0)
#ifdef NAN
-#define TIMESTAMP_IS_INVALID(j) (isnan(j))
+#define TIMESTAMP_IS_INVALID(j) (isnan(j))
#else
-#define TIMESTAMP_IS_INVALID(j) (j == DT_INVALID)
+#define TIMESTAMP_IS_INVALID(j) (j == DT_INVALID)
#endif
-#define TIMESTAMP_NOBEGIN(j) {j = DT_NOBEGIN;}
-#define TIMESTAMP_IS_NOBEGIN(j) (j == DT_NOBEGIN)
+#define TIMESTAMP_NOBEGIN(j) do {j = DT_NOBEGIN;} while (0)
+#define TIMESTAMP_IS_NOBEGIN(j) (j == DT_NOBEGIN)
-#define TIMESTAMP_NOEND(j) {j = DT_NOEND;}
+#define TIMESTAMP_NOEND(j) do {j = DT_NOEND;} while (0)
#define TIMESTAMP_IS_NOEND(j) (j == DT_NOEND)
-#define TIMESTAMP_CURRENT(j) {j = DT_CURRENT;}
+#define TIMESTAMP_CURRENT(j) do {j = DT_CURRENT;} while (0)
#if defined(linux) && defined(__powerpc__)
extern int timestamp_is_current(double j);
-#define TIMESTAMP_IS_CURRENT(j) timestamp_is_current(j)
+#define TIMESTAMP_IS_CURRENT(j) timestamp_is_current(j)
#else
-#define TIMESTAMP_IS_CURRENT(j) (j == DT_CURRENT)
+#define TIMESTAMP_IS_CURRENT(j) (j == DT_CURRENT)
#endif
-#define TIMESTAMP_EPOCH(j) {j = DT_EPOCH;}
+#define TIMESTAMP_EPOCH(j) do {j = DT_EPOCH;} while (0)
#if defined(linux) && defined(__powerpc__)
extern int timestamp_is_epoch(double j);
#endif
#define TIMESTAMP_IS_RELATIVE(j) (TIMESTAMP_IS_CURRENT(j) || TIMESTAMP_IS_EPOCH(j))
-#define TIMESTAMP_NOT_FINITE(j) (TIMESTAMP_IS_INVALID(j) \
+#define TIMESTAMP_NOT_FINITE(j) (TIMESTAMP_IS_INVALID(j) \
|| TIMESTAMP_IS_NOBEGIN(j) || TIMESTAMP_IS_NOEND(j))
#define TIMESTAMP_IS_RESERVED(j) (TIMESTAMP_IS_RELATIVE(j) || TIMESTAMP_NOT_FINITE(j))
-#define INTERVAL_INVALID(j) {(j).time = DT_INVALID;}
+#define INTERVAL_INVALID(j) do {(j).time = DT_INVALID;} while (0)
#ifdef NAN
#define INTERVAL_IS_INVALID(j) (isnan((j).time))
#else
extern Interval *timestamp_age(Timestamp *dt1, Timestamp *dt2);
extern bool overlaps_timestamp(Timestamp *dt1, Timestamp *dt2, Timestamp *dt3, Timestamp *dt4);
-extern int tm2timestamp(struct tm * tm, double fsec, int *tzp, Timestamp *dt);
-extern int timestamp2tm(Timestamp dt, int *tzp, struct tm * tm, double *fsec, char **tzn);
+extern int tm2timestamp(struct tm * tm, double fsec, int *tzp, Timestamp *dt);
+extern int timestamp2tm(Timestamp dt, int *tzp, struct tm * tm, double *fsec, char **tzn);
extern Timestamp SetTimestamp(Timestamp timestamp);
extern Timestamp dt2local(Timestamp dt, int timezone);
extern void dt2time(Timestamp dt, int *hour, int *min, double *sec);
-extern int EncodeSpecialTimestamp(Timestamp dt, char *str);
-extern int interval2tm(Interval span, struct tm * tm, float8 *fsec);
-extern int tm2interval(struct tm * tm, double fsec, Interval *span);
+extern int EncodeSpecialTimestamp(Timestamp dt, char *str);
+extern int interval2tm(Interval span, struct tm * tm, float8 *fsec);
+extern int tm2interval(struct tm * tm, double fsec, Interval *span);
extern Timestamp *now(void);
#endif /* TIMESTAMP_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: tqual.h,v 1.28 2000/01/26 05:58:38 momjian Exp $
+ * $Id: tqual.h,v 1.29 2000/04/12 17:16:56 momjian Exp $
*
*-------------------------------------------------------------------------
*/
typedef struct SnapshotData
{
- TransactionId xmin; /* XID < xmin are visible to me */
- TransactionId xmax; /* XID >= xmax are invisible to me */
- uint32 xcnt; /* # of xact below */
- TransactionId *xip; /* array of xacts in progress */
- ItemPointerData tid; /* required for Dirty snapshot -:( */
+ TransactionId xmin; /* XID < xmin are visible to me */
+ TransactionId xmax; /* XID >= xmax are invisible to me */
+ uint32 xcnt; /* # of xact below */
+ TransactionId *xip; /* array of xacts in progress */
+ ItemPointerData tid; /* required for Dirty snapshot -:( */
} SnapshotData;
typedef SnapshotData *Snapshot;
extern bool HeapTupleSatisfiesNow(HeapTupleHeader tuple);
extern bool HeapTupleSatisfiesDirty(HeapTupleHeader tuple);
extern bool HeapTupleSatisfiesSnapshot(HeapTupleHeader tuple,
- Snapshot snapshot);
+ Snapshot snapshot);
extern int HeapTupleSatisfiesUpdate(HeapTuple tuple);
extern Snapshot GetSnapshotData(bool serializable);
* Trace options, used as index into pg_options.
* Must match the constants in pg_options[].
*/
-enum pg_option_enum {
- TRACE_ALL, /* 0=trace some, 1=trace all, -1=trace none */
+enum pg_option_enum
+{
+ TRACE_ALL, /* 0=trace some, 1=trace all, -1=trace
+ * none */
TRACE_VERBOSE,
TRACE_QUERY,
TRACE_PLAN,
* This module handles sorting of heap tuples, index tuples, or single
* Datums (and could easily support other kinds of sortable objects,
* if necessary). It works efficiently for both small and large amounts
- * of data. Small amounts are sorted in-memory using qsort(). Large
+ * of data. Small amounts are sorted in-memory using qsort(). Large
* amounts are sorted using temporary files and a standard external sort
* algorithm.
*
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: tuplesort.h,v 1.3 2000/01/26 05:58:38 momjian Exp $
+ * $Id: tuplesort.h,v 1.4 2000/04/12 17:16:56 momjian Exp $
*
*-------------------------------------------------------------------------
*/
*/
extern Tuplesortstate *tuplesort_begin_heap(TupleDesc tupDesc,
- int nkeys, ScanKey keys,
- bool randomAccess);
+ int nkeys, ScanKey keys,
+ bool randomAccess);
extern Tuplesortstate *tuplesort_begin_index(Relation indexRel,
- bool enforceUnique,
- bool randomAccess);
+ bool enforceUnique,
+ bool randomAccess);
extern Tuplesortstate *tuplesort_begin_datum(Oid datumType,
- Oid sortOperator,
- bool randomAccess);
+ Oid sortOperator,
+ bool randomAccess);
extern void tuplesort_puttuple(Tuplesortstate *state, void *tuple);
extern void tuplesort_putdatum(Tuplesortstate *state, Datum val,
- bool isNull);
+ bool isNull);
extern void tuplesort_performsort(Tuplesortstate *state);
extern void *tuplesort_gettuple(Tuplesortstate *state, bool forward,
- bool *should_free);
+ bool *should_free);
+
#define tuplesort_getheaptuple(state, forward, should_free) \
((HeapTuple) tuplesort_gettuple(state, forward, should_free))
#define tuplesort_getindextuple(state, forward, should_free) \
((IndexTuple) tuplesort_gettuple(state, forward, should_free))
extern bool tuplesort_getdatum(Tuplesortstate *state, bool forward,
- Datum *val, bool *isNull);
+ Datum *val, bool *isNull);
extern void tuplesort_end(Tuplesortstate *state);
#include "utils/builtins.h"
-#define HEXDIG(z) (z)<10 ? ((z)+'0') : ((z)-10+'A')
+#define HEXDIG(z) (z)<10 ? ((z)+'0') : ((z)-10+'A')
/* Modeled on struct varlena from postgres.h, bu data type is bits8 */
struct varbita
#define BITHIGH 0x80
-bits8 * zpbit_in(char *s, int dummy, int32 atttypmod);
-char * zpbit_out(bits8 *s);
-char * zpbits_out(bits8 *s);
-bits8 * varbit_in(char *s, int dummy, int32 atttypmod);
-char * varbit_out (bits8 *s);
-bool biteq (bits8 *arg1, bits8 *arg2);
-bool bitne (bits8 *arg1, bits8 *arg2);
-bool bitge (bits8 *arg1, bits8 *arg2);
-bool bitgt (bits8 *arg1, bits8 *arg2);
-bool bitle (bits8 *arg1, bits8 *arg2);
-bool bitlt (bits8 *arg1, bits8 *arg2);
-int bitcmp (bits8 *arg1, bits8 *arg2);
-bits8 * bitand (bits8 * arg1, bits8 * arg2);
-bits8 * bitor (bits8 * arg1, bits8 * arg2);
-bits8 * bitxor (bits8 * arg1, bits8 * arg2);
-bits8 * bitnot (bits8 * arg);
-bits8 * bitshiftright (bits8 * arg, int shft);
-bits8 * bitshiftleft (bits8 * arg, int shft);
-bits8 * bitcat (bits8 *arg1, bits8 *arg2);
-bits8 * bitsubstr (bits8 *arg, int32 s, int32 l);
+bits8 *zpbit_in(char *s, int dummy, int32 atttypmod);
+char *zpbit_out(bits8 *s);
+char *zpbits_out(bits8 *s);
+bits8 *varbit_in(char *s, int dummy, int32 atttypmod);
+char *varbit_out(bits8 *s);
+bool biteq(bits8 *arg1, bits8 *arg2);
+bool bitne(bits8 *arg1, bits8 *arg2);
+bool bitge(bits8 *arg1, bits8 *arg2);
+bool bitgt(bits8 *arg1, bits8 *arg2);
+bool bitle(bits8 *arg1, bits8 *arg2);
+bool bitlt(bits8 *arg1, bits8 *arg2);
+int bitcmp(bits8 *arg1, bits8 *arg2);
+bits8 *bitand(bits8 *arg1, bits8 *arg2);
+bits8 *bitor(bits8 *arg1, bits8 *arg2);
+bits8 *bitxor(bits8 *arg1, bits8 *arg2);
+bits8 *bitnot(bits8 *arg);
+bits8 *bitshiftright(bits8 *arg, int shft);
+bits8 *bitshiftleft(bits8 *arg, int shft);
+bits8 *bitcat(bits8 *arg1, bits8 *arg2);
+bits8 *bitsubstr(bits8 *arg, int32 s, int32 l);
-bool varbiteq (bits8 *arg1, bits8 *arg2);
-bool varbitne (bits8 *arg1, bits8 *arg2);
-bool varbitge (bits8 *arg1, bits8 *arg2);
-bool varbitgt (bits8 *arg1, bits8 *arg2);
-bool varbitle (bits8 *arg1, bits8 *arg2);
-bool varbitlt (bits8 *arg1, bits8 *arg2);
-int varbitcmp (bits8 *arg1, bits8 *arg2);
-bits8 * varbitand (bits8 * arg1, bits8 * arg2);
-bits8 * varbitor (bits8 * arg1, bits8 * arg2);
-bits8 * varbitxor (bits8 * arg1, bits8 * arg2);
-bits8 * varbitnot (bits8 * arg);
-bits8 * varbitshiftright (bits8 * arg, int shft);
-bits8 * varbitshiftleft (bits8 * arg, int shft);
-bits8 * varbitcat (bits8 *arg1, bits8 *arg2);
-bits8 * varbitsubstr (bits8 *arg, int32 s, int32 l);
+bool varbiteq(bits8 *arg1, bits8 *arg2);
+bool varbitne(bits8 *arg1, bits8 *arg2);
+bool varbitge(bits8 *arg1, bits8 *arg2);
+bool varbitgt(bits8 *arg1, bits8 *arg2);
+bool varbitle(bits8 *arg1, bits8 *arg2);
+bool varbitlt(bits8 *arg1, bits8 *arg2);
+int varbitcmp(bits8 *arg1, bits8 *arg2);
+bits8 *varbitand(bits8 *arg1, bits8 *arg2);
+bits8 *varbitor(bits8 *arg1, bits8 *arg2);
+bits8 *varbitxor(bits8 *arg1, bits8 *arg2);
+bits8 *varbitnot(bits8 *arg);
+bits8 *varbitshiftright(bits8 *arg, int shft);
+bits8 *varbitshiftleft(bits8 *arg, int shft);
+bits8 *varbitcat(bits8 *arg1, bits8 *arg2);
+bits8 *varbitsubstr(bits8 *arg, int32 s, int32 l);
#endif
*/
/*
- * B.1 Create table, insert, select
+ * B.1 Create table, insert, select
*
* This example function creates a table, inserts data into the table,
* and selects the inserted data.
#define NULL 0
#endif
-int print_err(SQLSMALLINT handletype, SQLINTEGER handle);
+int print_err(SQLSMALLINT handletype, SQLINTEGER handle);
-int example1(SQLCHAR *server, SQLCHAR *uid, SQLCHAR *authen)
+int
+example1(SQLCHAR * server, SQLCHAR * uid, SQLCHAR * authen)
{
- SQLHENV henv;
- SQLHDBC hdbc;
- SQLHDESC hdesc;
- SQLHDESC hdesc1;
- SQLHDESC hdesc2;
- SQLHSTMT hstmt;
- SQLINTEGER id;
- SQLSMALLINT idind;
- SQLCHAR name[51];
- SQLINTEGER namelen;
- SQLSMALLINT nameind;
-
- /* EXEC SQL CONNECT TO :server USER :uid; */
-
- /* allocate an environment handle */
- SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &henv);
- /* allocate a connection handle */
- SQLAllocHandle(SQL_HANDLE_DBC, henv, &hdbc);
-
- /* connect to database */
- if (SQLConnect(hdbc, server, SQL_NTS, uid, SQL_NTS,
- authen, SQL_NTS)
- != SQL_SUCCESS)
- return(print_err(SQL_HANDLE_DBC, hdbc));
-
- /* allocate a statement handle */
- SQLAllocHandle(SQL_HANDLE_STMT, hdbc, &hstmt);
-
- /* EXEC SQL CREATE TABLE NAMEID (ID integer, NAME varchar(50)); */
- {
- SQLCHAR create[] ="CREATE TABLE NAMEID (ID integer,"
- " NAME varchar(50))";
-
- /* execute the CREATE TABLE statement */
- if (SQLExecDirect(hstmt, create, SQL_NTS) != SQL_SUCCESS)
- return(print_err(SQL_HANDLE_STMT, hstmt));
- }
-
- /* EXEC SQL COMMIT WORK; */
- /* commit CREATE TABLE */
- SQLEndTran(SQL_HANDLE_ENV, henv, SQL_COMMIT);
- /* EXEC SQL INSERT INTO NAMEID VALUES ( :id, :name ); */
- {
- SQLCHAR insert[]= "INSERT INTO NAMEID VALUES (?, ?)";
-
- /* show the use of SQLPrepare/SQLExecute method */
- /* prepare the INSERT */
- if (SQLPrepare(hstmt, insert, SQL_NTS) != SQL_SUCCESS)
- return(print_err(SQL_HANDLE_STMT, hstmt));
- /* application parameter descriptor */
- SQLGetStmtAttr(hstmt, SQL_ATTR_APP_PARAM_
- DESC, &hdesc1, 0L,
- (SQLINTEGER *)NULL);
- SQLSetDescRec(hdesc1, 1, SQL_INTEGER, 0, 0L, 0, 0,
- (SQLPOINTER)&id, (SQLINTEGER *)NULL, (SQLSMALLINT *)NULL);
- SQLSetDescRec(hdesc1, 2, SQL_CHAR, 0, 0L, 0, 0,
- (SQLPOINTER)name, (SQLINTEGER *)NULL,
- (SQLSMALLINT *)NULL);
- /* implementation parameter descriptor */
- SQLGetStmtAttr(hstmt, SQL_ATTR_IMP_PARAM_
- DESC, &hdesc2, 0L,
- (SQLINTEGER *)NULL);
- SQLSetDescRec(hdesc2, 1, SQL_INTEGER, 0, 0L, 0, 0,
- (SQLPOINTER)NULL, (SQLINTEGER *)NULL,
- (SQLSMALLINT *)NULL);
- SQLSetDescRec(hdesc2, 2, SQL_VARCHAR, 0, 50L, 0, 0,
- (SQLPOINTER)NULL, (SQLINTEGER *)NULL,
- (SQLSMALLINT *)NULL);
-
- /* assign parameter values and execute the INSERT */
- id=500;
- (void)strcpy(name, "Babbage");
- if (SQLExecute(hstmt) != SQL_SUCCESS)
- return(print_err(SQL_HANDLE_STMT, hstmt));
- }
- /* EXEC SQL COMMIT WORK; */
- SQLEndTran(SQL_HANDLE_ENV, henv, SQL_COMMIT);
- /* commit inserts */
-
- /* EXEC SQL DECLARE c1 CURSOR FOR SELECT ID, NAME FROM NAMEID; */
- /* EXEC SQL OPEN c1; */
- /* The application doesn't specify "declare c1 cursor for" */
- {
- SQLCHAR select[]= "select ID, NAME from NAMEID";
- if (SQLExecDirect(hstmt, select, SQL_NTS) != SQL_SUCCESS)
- return(print_err(SQL_HANDLE_STMT, hstmt));
- }
-
- /* EXEC SQL FETCH c1 INTO :id, :name; */
- /* this time, explicitly allocate an application row descriptor */
- SQLAllocHandle(SQL_HANDLE_DESC, hdbc, &hdesc);
- SQLSetDescRec(hdesc, 1, SQL_INTEGER, 0, 0L, 0, 0,
- (SQLPOINTER)&id, (SQLINTEGER *)NULL, (SQLSMALLINT *)&idind);
-
- SQLSetDescRec(hdesc, 2, SQL_
- CHAR, 0, (SQLINTEGER)sizeof(name),
- 0, 0, (SQLPOINTER)&name, (SQLINTEGER *)&namelen,
- (SQLSMALLINT *)&nameind);
- /* associate descriptor with statement handle */
- SQLSetStmtAttr(hstmt, SQL_ATTR_APP_ROW_DESC, &hdesc, 0);
- /* execute the fetch */
- SQLFetch(hstmt);
-
- /* EXEC SQL COMMIT WORK; */
- /* commit the transaction */
- SQLEndTran(SQL_HANDLE_ENV, henv, SQL_COMMIT);
-
- /* EXEC SQL CLOSE c1; */
- SQLClose(hstmt);
- /* free the statement handle */
- SQLFreeHandle(SQL_HANDLE_STMT, hstmt);
-
- /* EXEC SQL DISCONNECT; */
- /* disconnect from the database */
- SQLDisconnect(hdbc);
- /* free descriptor handle */
- SQLFreeHandle(SQL_HANDLE_DESC, hdesc);
- /* free descriptor handle */
- SQLFreeHandle(SQL_HANDLE_DESC, hdesc1);
- /* free descriptor handle */
- SQLFreeHandle(SQL_HANDLE_DESC, hdesc2);
- /* free connection handle */
- SQLFreeHandle(SQL_HANDLE_DBC, hdbc);
- /* free environment handle */
- SQLFreeHandle(SQL_HANDLE_ENV, henv);
-
- return(0);
+ SQLHENV henv;
+ SQLHDBC hdbc;
+ SQLHDESC hdesc;
+ SQLHDESC hdesc1;
+ SQLHDESC hdesc2;
+ SQLHSTMT hstmt;
+ SQLINTEGER id;
+ SQLSMALLINT idind;
+ SQLCHAR name[51];
+ SQLINTEGER namelen;
+ SQLSMALLINT nameind;
+
+ /* EXEC SQL CONNECT TO :server USER :uid; */
+
+ /* allocate an environment handle */
+ SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &henv);
+ /* allocate a connection handle */
+ SQLAllocHandle(SQL_HANDLE_DBC, henv, &hdbc);
+
+ /* connect to database */
+ if (SQLConnect(hdbc, server, SQL_NTS, uid, SQL_NTS,
+ authen, SQL_NTS)
+ != SQL_SUCCESS)
+ return (print_err(SQL_HANDLE_DBC, hdbc));
+
+ /* allocate a statement handle */
+ SQLAllocHandle(SQL_HANDLE_STMT, hdbc, &hstmt);
+
+ /* EXEC SQL CREATE TABLE NAMEID (ID integer, NAME varchar(50)); */
+ {
+ SQLCHAR create[] = "CREATE TABLE NAMEID (ID integer,"
+ " NAME varchar(50))";
+
+ /* execute the CREATE TABLE statement */
+ if (SQLExecDirect(hstmt, create, SQL_NTS) != SQL_SUCCESS)
+ return (print_err(SQL_HANDLE_STMT, hstmt));
+ }
+
+ /* EXEC SQL COMMIT WORK; */
+ /* commit CREATE TABLE */
+ SQLEndTran(SQL_HANDLE_ENV, henv, SQL_COMMIT);
+ /* EXEC SQL INSERT INTO NAMEID VALUES ( :id, :name ); */
+ {
+ SQLCHAR insert[] = "INSERT INTO NAMEID VALUES (?, ?)";
+
+ /* show the use of SQLPrepare/SQLExecute method */
+ /* prepare the INSERT */
+ if (SQLPrepare(hstmt, insert, SQL_NTS) != SQL_SUCCESS)
+ return (print_err(SQL_HANDLE_STMT, hstmt));
+ /* application parameter descriptor */
+ SQLGetStmtAttr(hstmt, SQL_ATTR_APP_PARAM_
+ DESC, &hdesc1, 0L,
+ (SQLINTEGER *) NULL);
+ SQLSetDescRec(hdesc1, 1, SQL_INTEGER, 0, 0L, 0, 0,
+ (SQLPOINTER) & id, (SQLINTEGER *) NULL, (SQLSMALLINT *) NULL);
+ SQLSetDescRec(hdesc1, 2, SQL_CHAR, 0, 0L, 0, 0,
+ (SQLPOINTER) name, (SQLINTEGER *) NULL,
+ (SQLSMALLINT *) NULL);
+ /* implementation parameter descriptor */
+ SQLGetStmtAttr(hstmt, SQL_ATTR_IMP_PARAM_
+ DESC, &hdesc2, 0L,
+ (SQLINTEGER *) NULL);
+ SQLSetDescRec(hdesc2, 1, SQL_INTEGER, 0, 0L, 0, 0,
+ (SQLPOINTER) NULL, (SQLINTEGER *) NULL,
+ (SQLSMALLINT *) NULL);
+ SQLSetDescRec(hdesc2, 2, SQL_VARCHAR, 0, 50L, 0, 0,
+ (SQLPOINTER) NULL, (SQLINTEGER *) NULL,
+ (SQLSMALLINT *) NULL);
+
+ /* assign parameter values and execute the INSERT */
+ id = 500;
+ (void) strcpy(name, "Babbage");
+ if (SQLExecute(hstmt) != SQL_SUCCESS)
+ return (print_err(SQL_HANDLE_STMT, hstmt));
+ }
+ /* EXEC SQL COMMIT WORK; */
+ SQLEndTran(SQL_HANDLE_ENV, henv, SQL_COMMIT);
+ /* commit inserts */
+
+ /* EXEC SQL DECLARE c1 CURSOR FOR SELECT ID, NAME FROM NAMEID; */
+ /* EXEC SQL OPEN c1; */
+ /* The application doesn't specify "declare c1 cursor for" */
+ {
+ SQLCHAR select[] = "select ID, NAME from NAMEID";
+
+ if (SQLExecDirect(hstmt, select, SQL_NTS) != SQL_SUCCESS)
+ return (print_err(SQL_HANDLE_STMT, hstmt));
+ }
+
+ /* EXEC SQL FETCH c1 INTO :id, :name; */
+ /* this time, explicitly allocate an application row descriptor */
+ SQLAllocHandle(SQL_HANDLE_DESC, hdbc, &hdesc);
+ SQLSetDescRec(hdesc, 1, SQL_INTEGER, 0, 0L, 0, 0,
+ (SQLPOINTER) & id, (SQLINTEGER *) NULL, (SQLSMALLINT *) & idind);
+
+ SQLSetDescRec(hdesc, 2, SQL_
+ CHAR, 0, (SQLINTEGER) sizeof(name),
+ 0, 0, (SQLPOINTER) & name, (SQLINTEGER *) & namelen,
+ (SQLSMALLINT *) & nameind);
+ /* associate descriptor with statement handle */
+ SQLSetStmtAttr(hstmt, SQL_ATTR_APP_ROW_DESC, &hdesc, 0);
+ /* execute the fetch */
+ SQLFetch(hstmt);
+
+ /* EXEC SQL COMMIT WORK; */
+ /* commit the transaction */
+ SQLEndTran(SQL_HANDLE_ENV, henv, SQL_COMMIT);
+
+ /* EXEC SQL CLOSE c1; */
+ SQLClose(hstmt);
+ /* free the statement handle */
+ SQLFreeHandle(SQL_HANDLE_STMT, hstmt);
+
+ /* EXEC SQL DISCONNECT; */
+ /* disconnect from the database */
+ SQLDisconnect(hdbc);
+ /* free descriptor handle */
+ SQLFreeHandle(SQL_HANDLE_DESC, hdesc);
+ /* free descriptor handle */
+ SQLFreeHandle(SQL_HANDLE_DESC, hdesc1);
+ /* free descriptor handle */
+ SQLFreeHandle(SQL_HANDLE_DESC, hdesc2);
+ /* free connection handle */
+ SQLFreeHandle(SQL_HANDLE_DBC, hdbc);
+ /* free environment handle */
+ SQLFreeHandle(SQL_HANDLE_ENV, henv);
+
+ return (0);
}
*/
/*
- * B.2 Interactive Query
+ * B.2 Interactive Query
*
* This sample function uses the concise CLI functions to
* interactively execute a SQL statement supplied as an argument.
#define max(a,b) (a>b?a:b)
-int print_err(SQLSMALLINT handletype, SQLINTEGER handle);
-int build_indicator_message(SQLCHAR *errmsg,
- SQLPOINTER *data,
- SQLINTEGER collen,
- SQLINTEGER *outlen,
- SQLSMALLINT colnum);
+int print_err(SQLSMALLINT handletype, SQLINTEGER handle);
+int build_indicator_message(SQLCHAR * errmsg,
+ SQLPOINTER * data,
+ SQLINTEGER collen,
+ SQLINTEGER * outlen,
+ SQLSMALLINT colnum);
SQLINTEGER display_length(SQLSMALLINT coltype,
- SQLINTEGER collen,
- SQLCHAR *colname);
+ SQLINTEGER collen,
+ SQLCHAR * colname);
-example2(SQLCHAR *server, SQLCHAR *uid, SQLCHAR *authen, SQLCHAR *sqlstr)
+example2(SQLCHAR * server, SQLCHAR * uid, SQLCHAR * authen, SQLCHAR * sqlstr)
{
- int i;
- SQLHENV henv;
- SQLHDBC hdbc;
- SQLHSTMT hstmt;
- SQLCHAR errmsg[256];
- SQLCHAR colname[32];
- SQLSMALLINT coltype;
- SQLSMALLINT colnamelen;
- SQLSMALLINT nullable;
- SQLINTEGER collen[MAXCOLS];
- SQLSMALLINT scale;
- SQLINTEGER outlen[MAXCOLS];
- SQLCHAR *data[MAXCOLS];
- SQLSMALLINT nresultcols;
- SQLINTEGER rowcount;
- SQLINTEGER stmttype;
- SQLRETURN rc;
-
- /* allocate an environment handle */
- SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &henv);
-
- /* allocate a connection handle */
- SQLAllocHandle(SQL_HANDLE_DBC, henv, &hdbc);
-
- /* connect to database */
- if (SQLConnect(hdbc, server, SQL_NTS, uid, SQL_NTS, authen, SQL_NTS)
- != SQL_SUCCESS )
- return(print_err(SQL_HANDLE_DBC, hdbc));
-
- /* allocate a statement handle */
- SQLAllocHandle(SQL_HANDLE_STMT, hdbc, &hstmt);
-
- /* execute the SQL statement */
- if (SQLExecDirect(hstmt, sqlstr, SQL_NTS) != SQL_SUCCESS)
- return(print_err(SQL_HANDLE_STMT, hstmt));
-
- /* see what kind of statement it was */
- SQLGetDiagField(SQL_HANDLE_STMT, hstmt, 0,
- SQL_DIAG_DYNAMIC_FUNCTION_CODE,
- (SQLPOINTER)&stmttype, 0, (SQLSMALLINT *)NULL);
-
- switch (stmttype) {
- /* SELECT statement */
- case SQL_SELECT_CURSOR:
- /* determine number of result columns */
- SQLNumResultCols(hstmt, &nresultcols);
- /* display column names */
- for (i=0; i<nresultcols; i++) {
- SQLDescribeCol(hstmt, i+1, colname, sizeof(colname),
- &colnamelen, &coltype, &collen[i], &scale, &nullable);
-
- /* assume there is a display_length function which
- computes correct length given the data type */
- collen[i] = display_length(coltype, collen[i], colname);
- (void)printf("%*.*s", collen[i], collen[i], colname);
- /* allocate memory to bind column */
- data[i] = (SQLCHAR *) malloc(collen[i]);
-
- /* bind columns to program vars, converting all types to CHAR */
- SQLBindCol(hstmt, i+1, SQL_CHAR, data[i], collen[i],
- &outlen[i]);
- }
- /* display result rows */
- while ((rc=SQLFetch(hstmt))!=SQL_ERROR) {
- errmsg[0] = '\0';
- if (rc == SQL_SUCCESS_WITH_INFO) {
- for (i=0; i<nresultcols; i++) {
- if (outlen[i] == SQL_NULL_DATA || outlen[i] >= collen[i])
- build_indicator_message(errmsg,
- (SQLPOINTER *)&data[i], collen[i],
- &outlen[i], i);
- (void)printf("%*.*s ", outlen[i], outlen[i],
- data[i]);
- } /* for all columns in this row */
- /* print any truncation messages */
- (void)printf("\n%s", errmsg);
- }
- } /* while rows to fetch */
- SQLClose(hstmt);
- break;
-
- /* searched DELETE, INSERT or searched UPDATE statement */
- case SQL_DELETE_WHERE:
- case SQL_INSERT:
- case SQL_UPDATE_WHERE:
- /* check rowcount */
- SQLGetDiagField(SQL_HANDLE_STMT, hstmt, 0,
- SQL_DIAG_ROW_COUNT, (SQLPOINTER)&rowcount, 0,
- (SQLSMALLINT *)NULL);
- if (SQLEndTran(SQL_HANDLE_ENV, henv, SQL_COMMIT)
- == SQL_SUCCESS) {
- (void) printf("Operation successful\n");
- }
- else {
- (void) printf("Operation failed\n");
- }
- (void)printf("%ld rows affected\n", rowcount);
- break;
-
- /* other statements */
- case SQL_ALTER_TABLE:
- case SQL_CREATE_TABLE:
- case SQL_CREATE_VIEW:
- case SQL_DROP_TABLE:
- case SQL_DROP_VIEW:
- case SQL_DYNAMIC_DELETE_CURSOR:
- case SQL_DYNAMIC_UPDATE_CURSOR:
- case SQL_GRANT:
- case SQL_REVOKE:
- if (SQLEndTran(SQL_HANDLE_ENV, henv, SQL_COMMIT)
- == SQL_SUCCESS) {
- (void) printf("Operation successful\n");
- }
- else {
- (void) printf("Operation failed\n");
- }
- break;
-
- /* implementation-defined statement */
- default:
- (void)printf("Statement type=%ld\n", stmttype);
- break;
- }
-
- /* free data buffers */
- for (i=0; i<nresultcols; i++) {
- (void)free(data[i]);
- }
-
- /* free statement handle */
- SQLFreeHandle(SQL_HANDLE_STMT, hstmt);
- /* disconnect from database */
- SQLDisconnect(hdbc);
- /* free connection handle */
- SQLFreeHandle(SQL_HANDLE_DBC, hdbc);
- /* free environment handle */
- SQLFreeHandle(SQL_HANDLE_ENV, henv);
-
- return(0);
+ int i;
+ SQLHENV henv;
+ SQLHDBC hdbc;
+ SQLHSTMT hstmt;
+ SQLCHAR errmsg[256];
+ SQLCHAR colname[32];
+ SQLSMALLINT coltype;
+ SQLSMALLINT colnamelen;
+ SQLSMALLINT nullable;
+ SQLINTEGER collen[MAXCOLS];
+ SQLSMALLINT scale;
+ SQLINTEGER outlen[MAXCOLS];
+ SQLCHAR *data[MAXCOLS];
+ SQLSMALLINT nresultcols;
+ SQLINTEGER rowcount;
+ SQLINTEGER stmttype;
+ SQLRETURN rc;
+
+ /* allocate an environment handle */
+ SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &henv);
+
+ /* allocate a connection handle */
+ SQLAllocHandle(SQL_HANDLE_DBC, henv, &hdbc);
+
+ /* connect to database */
+ if (SQLConnect(hdbc, server, SQL_NTS, uid, SQL_NTS, authen, SQL_NTS)
+ != SQL_SUCCESS)
+ return (print_err(SQL_HANDLE_DBC, hdbc));
+
+ /* allocate a statement handle */
+ SQLAllocHandle(SQL_HANDLE_STMT, hdbc, &hstmt);
+
+ /* execute the SQL statement */
+ if (SQLExecDirect(hstmt, sqlstr, SQL_NTS) != SQL_SUCCESS)
+ return (print_err(SQL_HANDLE_STMT, hstmt));
+
+ /* see what kind of statement it was */
+ SQLGetDiagField(SQL_HANDLE_STMT, hstmt, 0,
+ SQL_DIAG_DYNAMIC_FUNCTION_CODE,
+ (SQLPOINTER) & stmttype, 0, (SQLSMALLINT *) NULL);
+
+ switch (stmttype)
+ {
+ /* SELECT statement */
+ case SQL_SELECT_CURSOR:
+ /* determine number of result columns */
+ SQLNumResultCols(hstmt, &nresultcols);
+ /* display column names */
+ for (i = 0; i < nresultcols; i++)
+ {
+ SQLDescribeCol(hstmt, i + 1, colname, sizeof(colname),
+ &colnamelen, &coltype, &collen[i], &scale, &nullable);
+
+ /*
+ * assume there is a display_length function which
+ * computes correct length given the data type
+ */
+ collen[i] = display_length(coltype, collen[i], colname);
+ (void) printf("%*.*s", collen[i], collen[i], colname);
+ /* allocate memory to bind column */
+ data[i] = (SQLCHAR *) malloc(collen[i]);
+
+ /*
+ * bind columns to program vars, converting all types to
+ * CHAR
+ */
+ SQLBindCol(hstmt, i + 1, SQL_CHAR, data[i], collen[i],
+ &outlen[i]);
+ }
+ /* display result rows */
+ while ((rc = SQLFetch(hstmt)) != SQL_ERROR)
+ {
+ errmsg[0] = '\0';
+ if (rc == SQL_SUCCESS_WITH_INFO)
+ {
+ for (i = 0; i < nresultcols; i++)
+ {
+ if (outlen[i] == SQL_NULL_DATA || outlen[i] >= collen[i])
+ build_indicator_message(errmsg,
+ (SQLPOINTER *) & data[i], collen[i],
+ &outlen[i], i);
+ (void) printf("%*.*s ", outlen[i], outlen[i],
+ data[i]);
+ } /* for all columns in this row */
+ /* print any truncation messages */
+ (void) printf("\n%s", errmsg);
+ }
+ } /* while rows to fetch */
+ SQLClose(hstmt);
+ break;
+
+ /* searched DELETE, INSERT or searched UPDATE statement */
+ case SQL_DELETE_WHERE:
+ case SQL_INSERT:
+ case SQL_UPDATE_WHERE:
+ /* check rowcount */
+ SQLGetDiagField(SQL_HANDLE_STMT, hstmt, 0,
+ SQL_DIAG_ROW_COUNT, (SQLPOINTER) & rowcount, 0,
+ (SQLSMALLINT *) NULL);
+ if (SQLEndTran(SQL_HANDLE_ENV, henv, SQL_COMMIT)
+ == SQL_SUCCESS)
+ (void) printf("Operation successful\n");
+ else
+ (void) printf("Operation failed\n");
+ (void) printf("%ld rows affected\n", rowcount);
+ break;
+
+ /* other statements */
+ case SQL_ALTER_TABLE:
+ case SQL_CREATE_TABLE:
+ case SQL_CREATE_VIEW:
+ case SQL_DROP_TABLE:
+ case SQL_DROP_VIEW:
+ case SQL_DYNAMIC_DELETE_CURSOR:
+ case SQL_DYNAMIC_UPDATE_CURSOR:
+ case SQL_GRANT:
+ case SQL_REVOKE:
+ if (SQLEndTran(SQL_HANDLE_ENV, henv, SQL_COMMIT)
+ == SQL_SUCCESS)
+ (void) printf("Operation successful\n");
+ else
+ (void) printf("Operation failed\n");
+ break;
+
+ /* implementation-defined statement */
+ default:
+ (void) printf("Statement type=%ld\n", stmttype);
+ break;
+ }
+
+ /* free data buffers */
+ for (i = 0; i < nresultcols; i++)
+ (void) free(data[i]);
+
+ /* free statement handle */
+ SQLFreeHandle(SQL_HANDLE_STMT, hstmt);
+ /* disconnect from database */
+ SQLDisconnect(hdbc);
+ /* free connection handle */
+ SQLFreeHandle(SQL_HANDLE_DBC, hdbc);
+ /* free environment handle */
+ SQLFreeHandle(SQL_HANDLE_ENV, henv);
+
+ return (0);
}
/***********************************************************
/*#define max length of char string representation of no. as:
= max(precision) + leading sign + E + exp sign + max exp length
- = 15 + 1 + 1 + 1 + 2
+ = 15 + 1 + 1 + 1 + 2
= 15 + 5
*/
#define MAX_NUM_STRING_SIZE (MAX_NUM_PRECISION + 5)
-SQLINTEGER display_length(SQLSMALLINT coltype, SQLINTEGER collen,
- SQLCHAR *colname)
+SQLINTEGER
+display_length(SQLSMALLINT coltype, SQLINTEGER collen,
+ SQLCHAR * colname)
{
- switch (coltype) {
-
- case SQL_VARCHAR:
- case SQL_CHAR:
- return(max(collen,strlen((char *)colname)));
- break;
-
- case SQL_FLOAT:
- case SQL_DOUBLE:
- case SQL_NUMERIC:
- case SQL_REAL:
- case SQL_DECIMAL:
- return(max(MAX_NUM_STRING_SIZE,strlen((char *)colname)));
- break;
-
- case SQL_DATETIME:
- return(max(SQL_TIMESTAMP_LEN,strlen((char *)colname)));
- break;
-
- case SQL_INTEGER:
- return(max(10,strlen((char *)colname)));
- break;
-
- case SQL_SMALLINT:
- return(max(5,strlen((char *)colname)));
- break;
-
- default:
- (void)printf("Unknown datatype, %d\n", coltype);
- return(0);
- break;
- }
+ switch (coltype)
+ {
+
+ case SQL_VARCHAR:
+ case SQL_CHAR:
+ return (max(collen, strlen((char *) colname)));
+ break;
+
+ case SQL_FLOAT:
+ case SQL_DOUBLE:
+ case SQL_NUMERIC:
+ case SQL_REAL:
+ case SQL_DECIMAL:
+ return (max(MAX_NUM_STRING_SIZE, strlen((char *) colname)));
+ break;
+
+ case SQL_DATETIME:
+ return (max(SQL_TIMESTAMP_LEN, strlen((char *) colname)));
+ break;
+
+ case SQL_INTEGER:
+ return (max(10, strlen((char *) colname)));
+ break;
+
+ case SQL_SMALLINT:
+ return (max(5, strlen((char *) colname)));
+ break;
+
+ default:
+ (void) printf("Unknown datatype, %d\n", coltype);
+ return (0);
+ break;
+ }
}
-int build_indicator_message(SQLCHAR *errmsg, SQLPOINTER *data,
- SQLINTEGER collen, SQLINTEGER *outlen, SQLSMALLINT colnum)
+int
+build_indicator_message(SQLCHAR * errmsg, SQLPOINTER * data,
+ SQLINTEGER collen, SQLINTEGER * outlen, SQLSMALLINT colnum)
{
- if (*outlen == SQL_NULL_DATA) {
- (void)strcpy((char *)data, "NULL");
- *outlen=4;
- }
- else {
- sprintf((char *)errmsg+strlen((char *)errmsg),
- "%d chars truncated, col %d\n", *outlen-collen+1,
- colnum);
- *outlen=255;
- }
+ if (*outlen == SQL_NULL_DATA)
+ {
+ (void) strcpy((char *) data, "NULL");
+ *outlen = 4;
+ }
+ else
+ {
+ sprintf((char *) errmsg + strlen((char *) errmsg),
+ "%d chars truncated, col %d\n", *outlen - collen + 1,
+ colnum);
+ *outlen = 255;
+ }
}
*/
/* API declaration data types */
-typedef unsigned char SQLCHAR;
-typedef long SQLINTEGER;
-typedef short SQLSMALLINT;
-typedef double SQLDOUBLE;
-typedef float SQLREAL;
-typedef void * SQLPOINTER;
-typedef unsigned char SQLDATE;
-typedef unsigned char SQLTIME;
-typedef unsigned char SQLTIMESTAMP;
-typedef unsigned char SQLDECIMAL;
-typedef unsigned char SQLNUMERIC;
+typedef unsigned char SQLCHAR;
+typedef long SQLINTEGER;
+typedef short SQLSMALLINT;
+typedef double SQLDOUBLE;
+typedef float SQLREAL;
+typedef void *SQLPOINTER;
+typedef unsigned char SQLDATE;
+typedef unsigned char SQLTIME;
+typedef unsigned char SQLTIMESTAMP;
+typedef unsigned char SQLDECIMAL;
+typedef unsigned char SQLNUMERIC;
/* function return type */
-typedef SQLSMALLINT SQLRETURN;
+typedef SQLSMALLINT SQLRETURN;
/* generic data structures */
-typedef SQLINTEGER SQLHENV; /* environment handle */
-typedef SQLINTEGER SQLHDBC; /* connection handle */
-typedef SQLINTEGER SQLHSTMT; /* statement handle */
-typedef SQLINTEGER SQLHDESC; /* descriptor handle */
+typedef SQLINTEGER SQLHENV; /* environment handle */
+typedef SQLINTEGER SQLHDBC; /* connection handle */
+typedef SQLINTEGER SQLHSTMT; /* statement handle */
+typedef SQLINTEGER SQLHDESC; /* descriptor handle */
/* special length/indicator values */
-#define SQL_NULL_DATA -1
-#define SQL_DATA_AT_EXEC -2
+#define SQL_NULL_DATA -1
+#define SQL_DATA_AT_EXEC -2
/* return values from functions */
-#define SQL_SUCCESS 0
-#define SQL_SUCCESS_WITH_INFO 1
-#define SQL_NEED_DATA 99
-#define SQL_NO_DATA 100
-#define SQL_ERROR -1
-#define SQL_INVALID_HANDLE -2
+#define SQL_SUCCESS 0
+#define SQL_SUCCESS_WITH_INFO 1
+#define SQL_NEED_DATA 99
+#define SQL_NO_DATA 100
+#define SQL_ERROR -1
+#define SQL_INVALID_HANDLE -2
/* test for SQL_SUCCESS or SQL_SUCCESS_WITH_INFO */
#define SQL_SUCCEEDED(rc) (((rc)&(~1))==0)
/* flags for null-terminated string */
-#define SQL_NTS -3
-#define SQL_NTSL -3L
+#define SQL_NTS -3
+#define SQL_NTSL -3L
/* maximum message length from Date and Darwen
* was 255 in the August 1994 draft standard
* - Thomas Lockhart 1999-06-17
*/
-#define SQL_MAX_MESSAGE_LENGTH 512
+#define SQL_MAX_MESSAGE_LENGTH 512
/* maximum identifier length */
-#define SQL_MAX_ID_LENGTH 18
+#define SQL_MAX_ID_LENGTH 18
/* date/time length constants */
/* add p+1 for time and timestamp if precision is nonzero */
-#define SQL_DATE_LEN 10
-#define SQL_TIME_LEN 8
-#define SQL_TIMESTAMP_LEN 19
+#define SQL_DATE_LEN 10
+#define SQL_TIME_LEN 8
+#define SQL_TIMESTAMP_LEN 19
/* handle type identifiers */
-#define SQL_HANDLE_ENV 1
-#define SQL_HANDLE_DBC 2
-#define SQL_HANDLE_STMT 3
-#define SQL_HANDLE_DESC 4
+#define SQL_HANDLE_ENV 1
+#define SQL_HANDLE_DBC 2
+#define SQL_HANDLE_STMT 3
+#define SQL_HANDLE_DESC 4
/* environment attribute */
#define SQL_ATTR_OUTPUT_NTS 10001
/* connection attribute */
-#define SQL_ATTR_AUTO_IPD 10001
+#define SQL_ATTR_AUTO_IPD 10001
/* statement attributes */
-#define SQL_ATTR_APP_ROW_DESC 10010
-#define SQL_ATTR_APP_PARAM_DESC 10011
-#define SQL_ATTR_IMP_ROW_DESC 10012
-#define SQL_ATTR_IMP_PARAM_DESC 10013
-#define SQL_ATTR_CURSOR_SCROLLABLE -1
-#define SQL_ATTR_CURSOR_SENSITIVITY -2
+#define SQL_ATTR_APP_ROW_DESC 10010
+#define SQL_ATTR_APP_PARAM_DESC 10011
+#define SQL_ATTR_IMP_ROW_DESC 10012
+#define SQL_ATTR_IMP_PARAM_DESC 10013
+#define SQL_ATTR_CURSOR_SCROLLABLE -1
+#define SQL_ATTR_CURSOR_SENSITIVITY -2
/* identifiers of fields in the SQL descriptor */
/* These ran 1-99 in the August 1994 draft standard
* - Thomas Lockhart 1999-06-17
*/
-#define SQL_DESC_COUNT 1001
-#define SQL_DESC_TYPE 1002
-#define SQL_DESC_LENGTH 1003
-#define SQL_DESC_OCTET_LENGTH_POINTER 1004
-#define SQL_DESC_PRECISION 1005
-#define SQL_DESC_SCALE 1006
-#define SQL_DESC_DATETIME_INTERVAL_CODE 1007
-#define SQL_DESC_NULLABLE 1008
-#define SQL_DESC_INDICATOR_POINTER 1009
-#define SQL_DESC_DATA_POINTER 1010
-#define SQL_DESC_NAME 1011
-#define SQL_DESC_UNNAMED 1012
-#define SQL_DESC_OCTET_LENGTH 1013
+#define SQL_DESC_COUNT 1001
+#define SQL_DESC_TYPE 1002
+#define SQL_DESC_LENGTH 1003
+#define SQL_DESC_OCTET_LENGTH_POINTER 1004
+#define SQL_DESC_PRECISION 1005
+#define SQL_DESC_SCALE 1006
+#define SQL_DESC_DATETIME_INTERVAL_CODE 1007
+#define SQL_DESC_NULLABLE 1008
+#define SQL_DESC_INDICATOR_POINTER 1009
+#define SQL_DESC_DATA_POINTER 1010
+#define SQL_DESC_NAME 1011
+#define SQL_DESC_UNNAMED 1012
+#define SQL_DESC_OCTET_LENGTH 1013
#define SQL_DESC_DATETIME_INTERVAL_PRECISION 1014
-#define SQL_DESC_COLLATION_CATALOG 1015
-#define SQL_DESC_COLLATION_SCHEMA 1016
-#define SQL_DESC_COLLATION_NAME 1017
-#define SQL_DESC_CHARACTER_SET_CATALOG 1018
-#define SQL_DESC_CHARACTER_SET_SCHEMA 1019
-#define SQL_DESC_CHARACTER_SET_NAME 1020
-#define SQL_DESC_PARAMETER_MODE 1021
+#define SQL_DESC_COLLATION_CATALOG 1015
+#define SQL_DESC_COLLATION_SCHEMA 1016
+#define SQL_DESC_COLLATION_NAME 1017
+#define SQL_DESC_CHARACTER_SET_CATALOG 1018
+#define SQL_DESC_CHARACTER_SET_SCHEMA 1019
+#define SQL_DESC_CHARACTER_SET_NAME 1020
+#define SQL_DESC_PARAMETER_MODE 1021
#define SQL_DESC_PARAMETER_ORDINAL_POSITION 1022
#define SQL_DESC_PARAMETER_SPECIFIC_CATALOG 1023
-#define SQL_DESC_PARAMETER_SPECIFIC_SCHEMA 1024
-#define SQL_DESC_PARAMETER_SPECIFIC_NAME 1025
-#define SQL_DESC_ALLOC_TYPE 1099
+#define SQL_DESC_PARAMETER_SPECIFIC_SCHEMA 1024
+#define SQL_DESC_PARAMETER_SPECIFIC_NAME 1025
+#define SQL_DESC_ALLOC_TYPE 1099
/* identifiers of fields in the diagnostics area */
/* Many new definitions since August 1994 draft standard
* - Thomas Lockhart 1999-06-17
*/
-#define SQL_DIAG_RETURNCODE 1
-#define SQL_DIAG_NUMBER 2
-#define SQL_DIAG_ROW_COUNT 3
-#define SQL_DIAG_SQLSTATE 4
-#define SQL_DIAG_NATIVE 5
-#define SQL_DIAG_MESSAGE_TEXT 6
-#define SQL_DIAG_DYNAMIC_FUNCTION 7
-#define SQL_DIAG_CLASS_ORIGIN 8
-#define SQL_DIAG_SUBCLASS_ORIGIN 9
-#define SQL_DIAG_CONNECTION_NAME 10
-#define SQL_DIAG_SERVER_NAME 11
-#define SQL_DIAG_DYNAMIC_FUNCTION_CODE 12
-#define SQL_DIAG_MORE 13
-#define SQL_DIAG_CONDITION_NUMBER 14
-#define SQL_DIAG_CONSTRAINT_CATALOG 15
-#define SQL_DIAG_CONSTRAINT_SCHEMA 16
-#define SQL_DIAG_CONSTRAINT_NAME 17
-#define SQL_DIAG_CATALOG_NAME 18
-#define SQL_DIAG_SCHEMA_NAME 19
-#define SQL_DIAG_TABLE_NAME 20
-#define SQL_DIAG_COLUMN_NAME 21
-#define SQL_DIAG_CURSOR_NAME 22
-#define SQL_DIAG_MESSAGE_LENGTH 23
-#define SQL_DIAG_MESSAGE_OCTET_LENGTH 24
+#define SQL_DIAG_RETURNCODE 1
+#define SQL_DIAG_NUMBER 2
+#define SQL_DIAG_ROW_COUNT 3
+#define SQL_DIAG_SQLSTATE 4
+#define SQL_DIAG_NATIVE 5
+#define SQL_DIAG_MESSAGE_TEXT 6
+#define SQL_DIAG_DYNAMIC_FUNCTION 7
+#define SQL_DIAG_CLASS_ORIGIN 8
+#define SQL_DIAG_SUBCLASS_ORIGIN 9
+#define SQL_DIAG_CONNECTION_NAME 10
+#define SQL_DIAG_SERVER_NAME 11
+#define SQL_DIAG_DYNAMIC_FUNCTION_CODE 12
+#define SQL_DIAG_MORE 13
+#define SQL_DIAG_CONDITION_NUMBER 14
+#define SQL_DIAG_CONSTRAINT_CATALOG 15
+#define SQL_DIAG_CONSTRAINT_SCHEMA 16
+#define SQL_DIAG_CONSTRAINT_NAME 17
+#define SQL_DIAG_CATALOG_NAME 18
+#define SQL_DIAG_SCHEMA_NAME 19
+#define SQL_DIAG_TABLE_NAME 20
+#define SQL_DIAG_COLUMN_NAME 21
+#define SQL_DIAG_CURSOR_NAME 22
+#define SQL_DIAG_MESSAGE_LENGTH 23
+#define SQL_DIAG_MESSAGE_OCTET_LENGTH 24
/* dynamic function codes returned in diagnostics area */
-#define SQL_DIAG_ALTER_DOMAIN 3
-#define SQL_DIAG_ALTER_TABLE 4
-#define SQL_DIAG_CREATE_ASSERTION 6
-#define SQL_DIAG_CREATE_CHARACTER_SET 8
-#define SQL_DIAG_CREATE_COLLATION 10
-#define SQL_DIAG_CREATE_DOMAIN 23
-#define SQL_DIAG_CREATE_SCHEMA 64
-#define SQL_DIAG_CREATE_TABLE 77
-#define SQL_DIAG_CREATE_TRANSLATION 79
-#define SQL_DIAG_CREATE_VIEW 84
-#define SQL_DIAG_DELETE_WHERE 19
-#define SQL_DIAG_DROP_ASSERTION 24
-#define SQL_DIAG_DROP_CHARACTER_SET 25
-#define SQL_DIAG_DROP_COLLATION 26
-#define SQL_DIAG_DROP_DOMAIN 27
-#define SQL_DIAG_DROP_SCHEMA 31
-#define SQL_DIAG_DROP_TABLE 32
-#define SQL_DIAG_DROP_TRANSLATION 33
-#define SQL_DIAG_DROP_VIEW 36
-#define SQL_DIAG_DYNAMIC_DELETE_CURSOR 54
-#define SQL_DIAG_DYNAMIC_UPDATE_CURSOR 55
-#define SQL_DIAG_GRANT 48
-#define SQL_DIAG_INSERT 50
-#define SQL_DIAG_REVOKE 59
-#define SQL_DIAG_SELECT 41
-#define SQL_DIAG_SELECT_CURSOR 85
-#define SQL_DIAG_SET_CATALOG 66
-#define SQL_DIAG_SET_CONSTRAINT 68
-#define SQL_DIAG_SET_NAMES 72
-#define SQL_DIAG_SET_SCHEMA 74
-#define SQL_DIAG_SET_SESSION_AUTHORIZATION 76
-#define SQL_DIAG_SET_TIME_ZONE 71
-#define SQL_DIAG_SET_TRANSACTION 75
-#define SQL_DIAG_UNKNOWN_STATEMENT 0
-#define SQL_DIAG_UPDATE_WHERE 82
+#define SQL_DIAG_ALTER_DOMAIN 3
+#define SQL_DIAG_ALTER_TABLE 4
+#define SQL_DIAG_CREATE_ASSERTION 6
+#define SQL_DIAG_CREATE_CHARACTER_SET 8
+#define SQL_DIAG_CREATE_COLLATION 10
+#define SQL_DIAG_CREATE_DOMAIN 23
+#define SQL_DIAG_CREATE_SCHEMA 64
+#define SQL_DIAG_CREATE_TABLE 77
+#define SQL_DIAG_CREATE_TRANSLATION 79
+#define SQL_DIAG_CREATE_VIEW 84
+#define SQL_DIAG_DELETE_WHERE 19
+#define SQL_DIAG_DROP_ASSERTION 24
+#define SQL_DIAG_DROP_CHARACTER_SET 25
+#define SQL_DIAG_DROP_COLLATION 26
+#define SQL_DIAG_DROP_DOMAIN 27
+#define SQL_DIAG_DROP_SCHEMA 31
+#define SQL_DIAG_DROP_TABLE 32
+#define SQL_DIAG_DROP_TRANSLATION 33
+#define SQL_DIAG_DROP_VIEW 36
+#define SQL_DIAG_DYNAMIC_DELETE_CURSOR 54
+#define SQL_DIAG_DYNAMIC_UPDATE_CURSOR 55
+#define SQL_DIAG_GRANT 48
+#define SQL_DIAG_INSERT 50
+#define SQL_DIAG_REVOKE 59
+#define SQL_DIAG_SELECT 41
+#define SQL_DIAG_SELECT_CURSOR 85
+#define SQL_DIAG_SET_CATALOG 66
+#define SQL_DIAG_SET_CONSTRAINT 68
+#define SQL_DIAG_SET_NAMES 72
+#define SQL_DIAG_SET_SCHEMA 74
+#define SQL_DIAG_SET_SESSION_AUTHORIZATION 76
+#define SQL_DIAG_SET_TIME_ZONE 71
+#define SQL_DIAG_SET_TRANSACTION 75
+#define SQL_DIAG_UNKNOWN_STATEMENT 0
+#define SQL_DIAG_UPDATE_WHERE 82
/* SQL data type codes */
-#define SQL_CHAR 1
-#define SQL_NUMERIC 2
-#define SQL_DECIMAL 3
-#define SQL_INTEGER 4
-#define SQL_SMALLINT 5
-#define SQL_FLOAT 6
-#define SQL_REAL 7
-#define SQL_DOUBLE 8
-#define SQL_DATETIME 9
-#define SQL_INTERVAL 10
-#define SQL_VARCHAR 12
-#define SQL_BIT 14
+#define SQL_CHAR 1
+#define SQL_NUMERIC 2
+#define SQL_DECIMAL 3
+#define SQL_INTEGER 4
+#define SQL_SMALLINT 5
+#define SQL_FLOAT 6
+#define SQL_REAL 7
+#define SQL_DOUBLE 8
+#define SQL_DATETIME 9
+#define SQL_INTERVAL 10
+#define SQL_VARCHAR 12
+#define SQL_BIT 14
#define SQL_BIT_VARYING 15
/* One-parameter shortcuts for datetime data types */
-#define SQL_TYPE_DATE 91
-#define SQL_TYPE_TIME 92
-#define SQL_TYPE_TIME_WITH_TIMEZONE 93
-#define SQL_TYPE_TIMESTAMP 94
+#define SQL_TYPE_DATE 91
+#define SQL_TYPE_TIME 92
+#define SQL_TYPE_TIME_WITH_TIMEZONE 93
+#define SQL_TYPE_TIMESTAMP 94
#define SQL_TYPE_TIMESTAMP_WITH_TIMEZONE 95
-#define SQL_INTERVAL_DAY 103
-#define SQL_INTERVAL_DAY_TO_HOUR 108
-#define SQL_INTERVAL_DAY_TO_MINUTE 109
-#define SQL_INTERVAL_DAY_TO_SECOND 110
-#define SQL_INTERVAL_HOUR 104
-#define SQL_INTERVAL_HOUR_TO_MINUTE 111
-#define SQL_INTERVAL_HOUR_TO_SECOND 112
-#define SQL_INTERVAL_MINUTE 105
-#define SQL_INTERVAL_MINUTE_TO_SECOND 113
-#define SQL_INTERVAL_MONTH 102
-#define SQL_INTERVAL_SECOND 106
-#define SQL_INTERVAL_YEAR 101
-#define SQL_INTERVAL_YEAR_TO_MONTH 107
+#define SQL_INTERVAL_DAY 103
+#define SQL_INTERVAL_DAY_TO_HOUR 108
+#define SQL_INTERVAL_DAY_TO_MINUTE 109
+#define SQL_INTERVAL_DAY_TO_SECOND 110
+#define SQL_INTERVAL_HOUR 104
+#define SQL_INTERVAL_HOUR_TO_MINUTE 111
+#define SQL_INTERVAL_HOUR_TO_SECOND 112
+#define SQL_INTERVAL_MINUTE 105
+#define SQL_INTERVAL_MINUTE_TO_SECOND 113
+#define SQL_INTERVAL_MONTH 102
+#define SQL_INTERVAL_SECOND 106
+#define SQL_INTERVAL_YEAR 101
+#define SQL_INTERVAL_YEAR_TO_MONTH 107
/* GetTypeInfo request for all data types */
-#define SQL_ALL_TYPES 0
+#define SQL_ALL_TYPES 0
/* BindCol() and BindParam() default conversion code */
-#define SQL_DEFAULT 99
+#define SQL_DEFAULT 99
/* GetData code indicating that the application parameter */
/* descriptor specifies the data type */
-#define SQL_ARD_TYPE -99
+#define SQL_ARD_TYPE -99
/* date/time type subcodes */
-#define SQL_CODE_DATE 1
-#define SQL_CODE_TIME 2
-#define SQL_CODE_TIMESTAMP 3
-#define SQL_CODE_TIME_ZONE 4
+#define SQL_CODE_DATE 1
+#define SQL_CODE_TIME 2
+#define SQL_CODE_TIMESTAMP 3
+#define SQL_CODE_TIME_ZONE 4
#define SQL_CODE_TIMESTAMP_ZONE 5
/* interval qualifier codes */
-#define SQL_DAY 3
-#define SQL_DAY_TO_HOUR 8
-#define SQL_DAY_TO_MINUTE 9
-#define SQL_DAY_TO_SECOND 10
-#define SQL_HOUR 4
-#define SQL_HOUR_TO_MINUTE 11
-#define SQL_HOUR_TO_SECOND 12
-#define SQL_MINUTE 5
-#define SQL_MINUTE_TO_SECOND 13
-#define SQL_MONTH 2
-#define SQL_SECOND 6
-#define SQL_YEAR 1
-#define SQL_YEAR_TO_MONTH 7
+#define SQL_DAY 3
+#define SQL_DAY_TO_HOUR 8
+#define SQL_DAY_TO_MINUTE 9
+#define SQL_DAY_TO_SECOND 10
+#define SQL_HOUR 4
+#define SQL_HOUR_TO_MINUTE 11
+#define SQL_HOUR_TO_SECOND 12
+#define SQL_MINUTE 5
+#define SQL_MINUTE_TO_SECOND 13
+#define SQL_MONTH 2
+#define SQL_SECOND 6
+#define SQL_YEAR 1
+#define SQL_YEAR_TO_MONTH 7
/* CLI option values */
-#define SQL_FALSE 0
-#define SQL_TRUE 1
-#define SQL_NONSCROLLABLE 0
-#define SQL_SCROLLABLE 1
+#define SQL_FALSE 0
+#define SQL_TRUE 1
+#define SQL_NONSCROLLABLE 0
+#define SQL_SCROLLABLE 1
/* parameter modes */
-#define SQL_PARAM_MODE_IN 1
-#define SQL_PARAM_MODE_OUT 4
-#define SQL_PARAM_MODE_INOUT 2
-#define SQL_PARAM_MODE_NONE 0
+#define SQL_PARAM_MODE_IN 1
+#define SQL_PARAM_MODE_OUT 4
+#define SQL_PARAM_MODE_INOUT 2
+#define SQL_PARAM_MODE_NONE 0
/* values of NULLABLE field in descriptor */
-#define SQL_NO_NULLS 0
-#define SQL_NULLABLE 1
+#define SQL_NO_NULLS 0
+#define SQL_NULLABLE 1
-/* Values returned by GetTypeInfo for the SEARCHABLE column */
-#define SQL_PRED_NONE 0
-#define SQL_PRED_CHAR 1
-#define SQL_PRED_BASIC 2
+/* Values returned by GetTypeInfo for the SEARCHABLE column */
+#define SQL_PRED_NONE 0
+#define SQL_PRED_CHAR 1
+#define SQL_PRED_BASIC 2
/* values of UNNAMED field in descriptor */
-#define SQL_NAMED 0
-#define SQL_UNNAMED 1
+#define SQL_NAMED 0
+#define SQL_UNNAMED 1
/* values of ALLOC_TYPE field in descriptor */
-#define SQL_DESC_ALLOC_AUTO 1
-#define SQL_DESC_ALLOC_USER 2
+#define SQL_DESC_ALLOC_AUTO 1
+#define SQL_DESC_ALLOC_USER 2
/* EndTran() options */
-#define SQL_COMMIT 0
-#define SQL_ROLLBACK 1
+#define SQL_COMMIT 0
+#define SQL_ROLLBACK 1
/* FreeStmt() options */
-#define SQL_CLOSE 0
-#define SQL_DROP 1
-#define SQL_UNBIND 2
-#define SQL_RESET_PARAMS 3
+#define SQL_CLOSE 0
+#define SQL_DROP 1
+#define SQL_UNBIND 2
+#define SQL_RESET_PARAMS 3
/* null handles returned by AllocHandle() */
-#define SQL_NULL_HENV 0
-#define SQL_NULL_HDBC 0
-#define SQL_NULL_HSTMT 0
-#define SQL_NULL_HDESC 0
+#define SQL_NULL_HENV 0
+#define SQL_NULL_HDBC 0
+#define SQL_NULL_HSTMT 0
+#define SQL_NULL_HDESC 0
/* GetFunctions values to identify CLI routines */
-#define SQL_API_SQLALLOCCONNECT 1
-#define SQL_API_SQLALLOCENV 2
-#define SQL_API_SQLALLOCHANDLE 1001
-#define SQL_API_SQLALLOCSTMT 3
-#define SQL_API_SQLBINDCOL 4
-#define SQL_API_SQLBINDPARAM 1002
-#define SQL_API_SQLCANCEL 5
-#define SQL_API_SQLCLOSECURSOR 1003
-#define SQL_API_SQLCOLATTRIBUTE 6
-#define SQL_API_SQLCONNECT 7
-#define SQL_API_SQLCOPYDESC 1004
-#define SQL_API_SQLDATASOURCES 57
-#define SQL_API_SQLDESCRIBECOL 8
-#define SQL_API_SQLDISCONNECT 9
-#define SQL_API_SQLENDTRAN 1005
-#define SQL_API_SQLERROR 10
-#define SQL_API_SQLEXECDIRECT 11
-#define SQL_API_SQLEXECUTE 12
-#define SQL_API_SQLFETCH 13
-#define SQL_API_SQLFETCHSCROLL 1021
-#define SQL_API_SQLFREECONNECT 14
-#define SQL_API_SQLFREEENV 15
-#define SQL_API_SQLFREEHANDLE 1006
-#define SQL_API_SQLFREESTMT 16
-#define SQL_API_SQLGETCONNECTATTR 1007
-#define SQL_API_SQLGETCURSORNAME 17
-#define SQL_API_SQLGETDATA 43
-#define SQL_API_SQLGETDESCFIELD 1008
-#define SQL_API_SQLGETDESCREC 1009
-#define SQL_API_SQLGETDIAGFIELD 1010
-#define SQL_API_SQLGETDIAGREC 1011
-#define SQL_API_SQLGETENVATTR 1012
-#define SQL_API_SQLGETFUNCTIONS 44
-#define SQL_API_SQLGETINFO 45
-#define SQL_API_SQLGETSTMTATTR 1014
-#define SQL_API_SQLGETTYPEINFO 47
-#define SQL_API_SQLNUMRESULTCOLS 18
-#define SQL_API_SQLPARAMDATA 48
-#define SQL_API_SQLPREPARE 19
-#define SQL_API_SQLPUTDATA 49
-#define SQL_API_SQLRELEASEENV 1015 /* Obsolete? */
-#define SQL_API_SQLROWCOUNT 20
-#define SQL_API_SQLSCROLLFETCH 1021 /* Obsolete? */
-#define SQL_API_SQLSETCONNECTATTR 1016
-#define SQL_API_SQLSETCURSORNAME 21
-#define SQL_API_SQLSETDESCFIELD 1017
-#define SQL_API_SQLSETDESCREC 1018
-#define SQL_API_SQLSETENVATTR 1019
-#define SQL_API_SQLSETSTMTATTR 1020
+#define SQL_API_SQLALLOCCONNECT 1
+#define SQL_API_SQLALLOCENV 2
+#define SQL_API_SQLALLOCHANDLE 1001
+#define SQL_API_SQLALLOCSTMT 3
+#define SQL_API_SQLBINDCOL 4
+#define SQL_API_SQLBINDPARAM 1002
+#define SQL_API_SQLCANCEL 5
+#define SQL_API_SQLCLOSECURSOR 1003
+#define SQL_API_SQLCOLATTRIBUTE 6
+#define SQL_API_SQLCONNECT 7
+#define SQL_API_SQLCOPYDESC 1004
+#define SQL_API_SQLDATASOURCES 57
+#define SQL_API_SQLDESCRIBECOL 8
+#define SQL_API_SQLDISCONNECT 9
+#define SQL_API_SQLENDTRAN 1005
+#define SQL_API_SQLERROR 10
+#define SQL_API_SQLEXECDIRECT 11
+#define SQL_API_SQLEXECUTE 12
+#define SQL_API_SQLFETCH 13
+#define SQL_API_SQLFETCHSCROLL 1021
+#define SQL_API_SQLFREECONNECT 14
+#define SQL_API_SQLFREEENV 15
+#define SQL_API_SQLFREEHANDLE 1006
+#define SQL_API_SQLFREESTMT 16
+#define SQL_API_SQLGETCONNECTATTR 1007
+#define SQL_API_SQLGETCURSORNAME 17
+#define SQL_API_SQLGETDATA 43
+#define SQL_API_SQLGETDESCFIELD 1008
+#define SQL_API_SQLGETDESCREC 1009
+#define SQL_API_SQLGETDIAGFIELD 1010
+#define SQL_API_SQLGETDIAGREC 1011
+#define SQL_API_SQLGETENVATTR 1012
+#define SQL_API_SQLGETFUNCTIONS 44
+#define SQL_API_SQLGETINFO 45
+#define SQL_API_SQLGETSTMTATTR 1014
+#define SQL_API_SQLGETTYPEINFO 47
+#define SQL_API_SQLNUMRESULTCOLS 18
+#define SQL_API_SQLPARAMDATA 48
+#define SQL_API_SQLPREPARE 19
+#define SQL_API_SQLPUTDATA 49
+#define SQL_API_SQLRELEASEENV 1015 /* Obsolete? */
+#define SQL_API_SQLROWCOUNT 20
+#define SQL_API_SQLSCROLLFETCH 1021 /* Obsolete? */
+#define SQL_API_SQLSETCONNECTATTR 1016
+#define SQL_API_SQLSETCURSORNAME 21
+#define SQL_API_SQLSETDESCFIELD 1017
+#define SQL_API_SQLSETDESCREC 1018
+#define SQL_API_SQLSETENVATTR 1019
+#define SQL_API_SQLSETSTMTATTR 1020
/* information requested by GetInfo */
-#define SQL_MAXIMUM_DRIVER_CONNECTIONS 0
-#define SQL_MAXIMUM_CONCURRENT_ACTIVITIES 1
-#define SQL_DATA_SOURCE_NAME 2
-#define SQL_FETCH_DIRECTION 8
-#define SQL_SERVER_NAME 13
-#define SQL_DBMS_NAME 17
-#define SQL_DBMS_VERSION 18
-#define SQL_CURSOR_COMMIT_BEHAVIOR 23
-#define SQL_DATA_SOURCE_READ_ONLY 25
+#define SQL_MAXIMUM_DRIVER_CONNECTIONS 0
+#define SQL_MAXIMUM_CONCURRENT_ACTIVITIES 1
+#define SQL_DATA_SOURCE_NAME 2
+#define SQL_FETCH_DIRECTION 8
+#define SQL_SERVER_NAME 13
+#define SQL_DBMS_NAME 17
+#define SQL_DBMS_VERSION 18
+#define SQL_CURSOR_COMMIT_BEHAVIOR 23
+#define SQL_DATA_SOURCE_READ_ONLY 25
#define SQL_DEFAULT_TRANSACTION_ISOLATION 26
-#define SQL_IDENTIFIER_CASE 28
-#define SQL_MAXIMUM_COLUMN_NAME_LENGTH 30
-#define SQL_MAXIMUM_CURSOR_NAME_LENGTH 31
-#define SQL_MAXIMUM_SCHEMA_NAME_LENGTH 32
+#define SQL_IDENTIFIER_CASE 28
+#define SQL_MAXIMUM_COLUMN_NAME_LENGTH 30
+#define SQL_MAXIMUM_CURSOR_NAME_LENGTH 31
+#define SQL_MAXIMUM_SCHEMA_NAME_LENGTH 32
#define SQL_MAXIMUM_CATALOG_NAME_LENGTH 34
-#define SQL_MAXIMUM_TABLE_NAME_LENGTH 35
-#define SQL_SCROLL_CONCURRENCY 43
-#define SQL_TRANSACTION_CAPABLE 46
-#define SQL_USER_NAME 47
+#define SQL_MAXIMUM_TABLE_NAME_LENGTH 35
+#define SQL_SCROLL_CONCURRENCY 43
+#define SQL_TRANSACTION_CAPABLE 46
+#define SQL_USER_NAME 47
#define SQL_TRANSACTION_ISOLATION_OPTION 72
-#define SQL_INTEGRITY 73
-#define SQL_GETDATA_EXTENSIONS 81
-#define SQL_NULL_COLLATION 85
-#define SQL_ALTER_TABLE 86
-#define SQL_ORDER_BY_COLUMNS_IN_SELECT 90
-#define SQL_SPECIAL_CHARACTERS 94
+#define SQL_INTEGRITY 73
+#define SQL_GETDATA_EXTENSIONS 81
+#define SQL_NULL_COLLATION 85
+#define SQL_ALTER_TABLE 86
+#define SQL_ORDER_BY_COLUMNS_IN_SELECT 90
+#define SQL_SPECIAL_CHARACTERS 94
#define SQL_MAXIMUM_COLUMNS_IN_GROUP_BY 97
#define SQL_MAXIMUM_COLUMNS_IN_ORDER_BY 99
-#define SQL_MAXIMUM_COLUMNS_IN_SELECT 100
-#define SQL_MAXIMUM_COLUMNS_IN_TABLE 101
-#define SQL_MAXIMUM_STATEMENT_LENGTH 105
-#define SQL_MAXIMUM_TABLES_IN_SELECT 106
-#define SQL_MAXIMUM_USER_NAME_LENGTH 107
-#define SQL_OUTER_JOIN_CAPABILITIES 115
-#define SQL_CURSOR_SENSITIVITY 10001
-#define SQL_DESCRIBE_PARAMETER 10002
-#define SQL_CATALOG_NAME 10003
-#define SQL_COLLATING_SEQUENCE 10004
-#define SQL_MAXIMUM_IDENTIFIER_LENGTH 10005
+#define SQL_MAXIMUM_COLUMNS_IN_SELECT 100
+#define SQL_MAXIMUM_COLUMNS_IN_TABLE 101
+#define SQL_MAXIMUM_STATEMENT_LENGTH 105
+#define SQL_MAXIMUM_TABLES_IN_SELECT 106
+#define SQL_MAXIMUM_USER_NAME_LENGTH 107
+#define SQL_OUTER_JOIN_CAPABILITIES 115
+#define SQL_CURSOR_SENSITIVITY 10001
+#define SQL_DESCRIBE_PARAMETER 10002
+#define SQL_CATALOG_NAME 10003
+#define SQL_COLLATING_SEQUENCE 10004
+#define SQL_MAXIMUM_IDENTIFIER_LENGTH 10005
/* S-resource attribute values for cursor sensitivity */
-#define SQL_UNSPECIFIED 0x00000000L
-#define SQL_INSENSITIVE 0x00000001L
+#define SQL_UNSPECIFIED 0x00000000L
+#define SQL_INSENSITIVE 0x00000001L
/* null handle used when allocating HENV */
-#define SQL_NULL_HANDLE 0L
+#define SQL_NULL_HANDLE 0L
/* SQL_ALTER_TABLE bitmasks */
-#define SQL_AT_ADD_COLUMN 0x00000001L
-#define SQL_AT_DROP_COLUMN 0x00000002L
-#define SQL_AT_ALTER_COLUMN 0x00000004L
-#define SQL_AT_ADD_CONSTRAINT 0x00000008L
-#define SQL_AT_DROP_CONSTRAINT 0x00000010L
+#define SQL_AT_ADD_COLUMN 0x00000001L
+#define SQL_AT_DROP_COLUMN 0x00000002L
+#define SQL_AT_ALTER_COLUMN 0x00000004L
+#define SQL_AT_ADD_CONSTRAINT 0x00000008L
+#define SQL_AT_DROP_CONSTRAINT 0x00000010L
/* SQL_CURSOR_COMMIT_BEHAVIOR values */
-#define SQL_CB_DELETE 0
-#define SQL_CB_CLOSE 1
-#define SQL_CB_PRESERVE 2
+#define SQL_CB_DELETE 0
+#define SQL_CB_CLOSE 1
+#define SQL_CB_PRESERVE 2
/* SQL_FETCH_DIRECTION bitmasks */
-#define SQL_FD_FETCH_NEXT 0x00000001L
-#define SQL_FD_FETCH_FIRST 0x00000002L
-#define SQL_FD_FETCH_LAST 0x00000004L
-#define SQL_FD_FETCH_PRIOR 0x00000008L
-#define SQL_FD_FETCH_ABSOLUTE 0x00000010L
-#define SQL_FD_FETCH_RELATIVE 0x00000020L
+#define SQL_FD_FETCH_NEXT 0x00000001L
+#define SQL_FD_FETCH_FIRST 0x00000002L
+#define SQL_FD_FETCH_LAST 0x00000004L
+#define SQL_FD_FETCH_PRIOR 0x00000008L
+#define SQL_FD_FETCH_ABSOLUTE 0x00000010L
+#define SQL_FD_FETCH_RELATIVE 0x00000020L
/* SQL_GETDATA_EXTENSIONS bitmasks */
-#define SQL_GD_ANY_COLUMN 0x00000001L
-#define SQL_FD_ANY_ORDER 0x00000002L
+#define SQL_GD_ANY_COLUMN 0x00000001L
+#define SQL_FD_ANY_ORDER 0x00000002L
/* SQL_IDENTIFIER_CASE values */
-#define SQL_IC_UPPER 1
-#define SQL_IC_LOWER 2
-#define SQL_IC_SENSITIVE 3
-#define SQL_IC_MIXED 4
+#define SQL_IC_UPPER 1
+#define SQL_IC_LOWER 2
+#define SQL_IC_SENSITIVE 3
+#define SQL_IC_MIXED 4
/* SQL_IDENTIFIER_CASE values */
-#define SQL_NC_HIGH 1
-#define SQL_NC_LOW 2
+#define SQL_NC_HIGH 1
+#define SQL_NC_LOW 2
/* SQL_OUTER_JOIN_CAPABILITIES bitmasks */
-#define SQL_OUTER_JOIN_LEFT 0x00000001L
-#define SQL_OUTER_JOIN_RIGHT 0x00000002L
-#define SQL_OUTER_JOIN_FULL 0x00000004L
-#define SQL_OUTER_JOIN_NESTED 0x00000008L
-#define SQL_OUTER_JOIN_NOT_ORDERED 0x00000010L
-#define SQL_OUTER_JOIN_INNER 0x00000020L
-#define SQL_OUTER_JOIN_ALL_COMPARISION_OPS 0x00000040L
+#define SQL_OUTER_JOIN_LEFT 0x00000001L
+#define SQL_OUTER_JOIN_RIGHT 0x00000002L
+#define SQL_OUTER_JOIN_FULL 0x00000004L
+#define SQL_OUTER_JOIN_NESTED 0x00000008L
+#define SQL_OUTER_JOIN_NOT_ORDERED 0x00000010L
+#define SQL_OUTER_JOIN_INNER 0x00000020L
+#define SQL_OUTER_JOIN_ALL_COMPARISION_OPS 0x00000040L
/* SQL_SCROLL_CONCURRENCY bitmasks */
-#define SQL_SCCO_READ_ONLY 0x00000001L
-#define SQL_SCCO_LOCK 0x00000002L
-#define SQL_SCCO_OPT_ROWVER 0x00000004L
-#define SQL_SCCO_OPT_VALUES 0x00000008L
+#define SQL_SCCO_READ_ONLY 0x00000001L
+#define SQL_SCCO_LOCK 0x00000002L
+#define SQL_SCCO_OPT_ROWVER 0x00000004L
+#define SQL_SCCO_OPT_VALUES 0x00000008L
/* SQL_IDENTIFIER_CASE values */
-#define SQL_TC_NONE 0
-#define SQL_TC_DML 1
-#define SQL_TC_ALL 2
-#define SQL_TC_DDL_COMMIT 3
-#define SQL_TC_DDL_IGNORE 4
+#define SQL_TC_NONE 0
+#define SQL_TC_DML 1
+#define SQL_TC_ALL 2
+#define SQL_TC_DDL_COMMIT 3
+#define SQL_TC_DDL_IGNORE 4
/* SQL_TRANSACTION_ISOLATION bitmasks */
-#define SQL_TRANSACTION_READ_UNCOMMITTED 0x00000001L
-#define SQL_TRANSACTION_READ_COMMITTED 0x00000002L
+#define SQL_TRANSACTION_READ_UNCOMMITTED 0x00000001L
+#define SQL_TRANSACTION_READ_COMMITTED 0x00000002L
#define SQL_TRANSACTION_READ_REPEATABLE_READ 0x00000004L
-#define SQL_TRANSACTION_READ_SERIALIZABLE 0x00000008L
+#define SQL_TRANSACTION_READ_SERIALIZABLE 0x00000008L
-#define SQL_TRANSACTION_READ_UNCOMMITTED 0x00000001L
-#define SQL_TRANSACTION_READ_UNCOMMITTED 0x00000001L
-#define SQL_FD_FETCH_NEXT 0x00000001L
+#define SQL_TRANSACTION_READ_UNCOMMITTED 0x00000001L
+#define SQL_TRANSACTION_READ_UNCOMMITTED 0x00000001L
+#define SQL_FD_FETCH_NEXT 0x00000001L
/* CLI function signatures */
-SQLRETURN SQLAllocConnect(SQLHENV EnvironmentHandle,
- SQLHDBC *ConnectionHandle);
+SQLRETURN SQLAllocConnect(SQLHENV EnvironmentHandle,
+ SQLHDBC * ConnectionHandle);
-SQLRETURN SQLAllocEnv(SQLHENV *EnvironmentHandle);
+SQLRETURN SQLAllocEnv(SQLHENV * EnvironmentHandle);
-SQLRETURN SQLAllocHandle(SQLSMALLINT HandleType,
- SQLINTEGER InputHandle,
- SQLINTEGER *OutputHandle);
+SQLRETURN SQLAllocHandle(SQLSMALLINT HandleType,
+ SQLINTEGER InputHandle,
+ SQLINTEGER * OutputHandle);
-SQLRETURN SQLAllocStmt(SQLHDBC ConnectionHandle,
- SQLSTMT *StatementHandle);
+SQLRETURN SQLAllocStmt(SQLHDBC ConnectionHandle,
+ SQLSTMT * StatementHandle);
-SQLRETURN SQLBindCol(SQLHSTMT StatementHandle,
- SQLSMALLINT ColumnNumber,
- SQLSMALLINT BufferType,
- SQLPOINTER Data,
- SQLINTEGER BufferLength,
- SQLINTEGER *DataLength);
+SQLRETURN SQLBindCol(SQLHSTMT StatementHandle,
+ SQLSMALLINT ColumnNumber,
+ SQLSMALLINT BufferType,
+ SQLPOINTER Data,
+ SQLINTEGER BufferLength,
+ SQLINTEGER * DataLength);
-SQLRETURN SQLBindParam(SQLHSTMT StatementHandle,
- SQLSMALLINT ParamNumber,
- SQLSMALLINT BufferType,
- SQLSMALLINT ParamType,
- SQLINTEGER ParamLength,
- SQLSMALLINT Scale,
- SQLPOINTER Data,
- SQLINTEGER *DataLength);
-
-SQLRETURN SQLCancel(SQLHSTMT StatementHandle);
-
-SQLRETURN SQLCloseCursor(SQLHSTMT StatementHandle);
-
-SQLRETURN SQLColAttribute(SQLHSTMT StatementHandle,
+SQLRETURN SQLBindParam(SQLHSTMT StatementHandle,
+ SQLSMALLINT ParamNumber,
+ SQLSMALLINT BufferType,
+ SQLSMALLINT ParamType,
+ SQLINTEGER ParamLength,
+ SQLSMALLINT Scale,
+ SQLPOINTER Data,
+ SQLINTEGER * DataLength);
+
+SQLRETURN SQLCancel(SQLHSTMT StatementHandle);
+
+SQLRETURN SQLCloseCursor(SQLHSTMT StatementHandle);
+
+SQLRETURN SQLColAttribute(SQLHSTMT StatementHandle,
+ SQLSMALLINT ColumnNumber,
+ SQLSMALLINT FieldIdentifier,
+ SQLCHAR * CharacterAttribute,
+ SQLINTEGER BufferLength,
+ SQLINTEGER * AttributetLength,
+ SQLINTEGER * NumericAttribute);
+
+SQLRETURN SQLConnect(SQLHDBC ConnectionHandle,
+ SQLCHAR * ServerName,
+ SQLSMALLINT NameLength1,
+ SQLCHAR * UserName,
+ SQLSMALLINT NameLength2,
+ SQLCHAR * Authentication,
+ SQLSMALLINT NameLength3);
+
+SQLRETURN SQLCopyDesc(SQLHDESC SourceDescHandle,
+ SQLHDESC TargetDescHandle);
+
+SQLRETURN SQLDataSources(SQLHENV EnvironmentHandle,
+ SQLSMALLINT Direction,
+ SQLCHAR * ServerName,
+ SQLSMALLINT BufferLength1,
+ SQLSMALLINT * NameLength1,
+ SQLCHAR * Description,
+ SQLSMALLINT BufferLength2,
+ SQLSMALLINT * NameLength2);
+
+SQLRETURN SQLDescribeCol(SQLHSTMT StatementHandle,
SQLSMALLINT ColumnNumber,
- SQLSMALLINT FieldIdentifier,
- SQLCHAR *CharacterAttribute,
- SQLINTEGER BufferLength,
- SQLINTEGER *AttributetLength,
- SQLINTEGER *NumericAttribute);
-
-SQLRETURN SQLConnect(SQLHDBC ConnectionHandle,
- SQLCHAR *ServerName,
- SQLSMALLINT NameLength1,
- SQLCHAR *UserName,
- SQLSMALLINT NameLength2,
- SQLCHAR *Authentication,
- SQLSMALLINT NameLength3);
-
-SQLRETURN SQLCopyDesc(SQLHDESC SourceDescHandle,
- SQLHDESC TargetDescHandle);
-
-SQLRETURN SQLDataSources(SQLHENV EnvironmentHandle,
- SQLSMALLINT Direction,
- SQLCHAR *ServerName,
- SQLSMALLINT BufferLength1,
- SQLSMALLINT *NameLength1,
- SQLCHAR *Description,
- SQLSMALLINT BufferLength2,
- SQLSMALLINT *NameLength2);
-
-SQLRETURN SQLDescribeCol(SQLHSTMT StatementHandle,
- SQLSMALLINT ColumnNumber,
- SQLCHAR *ColumnName,
+ SQLCHAR * ColumnName,
+ SQLSMALLINT BufferLength,
+ SQLSMALLINT * ColumnNameLength,
+ SQLSMALLINT * ColumnType,
+ SQLINTEGER * ColumnLength,
+ SQLSMALLINT * ColumnScale,
+ SQLSMALLINT * Nullable);
+
+SQLRETURN SQLDisconnect(SQLHDBC ConnectionHandle);
+
+SQLRETURN SQLEndTran(SQLSMALLINT HandleType,
+ SQLHENV Handle,
+ SQLSMALLINT CompletionType);
+
+SQLRETURN SQLError(SQLHENV EnvironmentHandle,
+ SQLHDBC ConnectionHandle,
+ SQLSTMT StatementHandle,
+ SQLCHAR * Sqlstate,
+ SQLINTEGER * NativeError,
+ SQLCHAR * MessageText,
+ SQLINTEGER BufferLength,
+ SQLINTEGER * TextLength);
+
+SQLRETURN SQLExecDirect(SQLHSTMT StatementHandle,
+ SQLCHAR * StatementText,
+ SQLSMALLINT StringLength);
+
+SQLRETURN SQLExecute(SQLHSTMT StatementHandle);
+
+SQLRETURN SQLFetch(SQLHSTMT StatementHandle);
+
+SQLRETURN SQLFetchScroll(SQLHSTMT StatementHandle,
+ SQLSMALLINT FetchOrientation,
+ SQLINTEGER FetchOffset);
+
+SQLRETURN SQLFreeConnect(SQLHDBC ConnectionHandle);
+
+SQLRETURN SQLFreeEnv(SQLHENV EnvironmentHandle);
+
+SQLRETURN SQLFreeHandle(SQLSMALLINT HandleType,
+ SQLINTEGER Handle);
+
+SQLRETURN SQLFreeStmt(SQLHSTMT StatementHandle);
+
+SQLRETURN SQLGetConnectAttr(SQLHDBC ConnectionHandle,
+ SQLINTEGER Attribute,
+ SQLPOINTER Value,
+ SQLINTEGER BufferLength,
+ SQLINTEGER * StringLength);
+
+SQLRETURN SQLGetCursorName(SQLHSTMT StatementHandle,
+ SQLCHAR * CursorName,
+ SQLSMALLINT BufferLength,
+ SQLSMALLINT * NameLength);
+
+SQLRETURN SQLGetData(SQLHSTMT StatementHandle,
+ SQLSMALLINT ColumnNumber,
+ SQLSMALLINT TargetType,
+ SQLPOINTER TargetValue,
+ SQLINTEGER BufferLength,
+ SQLINTEGER * IndicatorValue);
+
+SQLRETURN SQLGetDescField(SQLHDESC DescriptorHandle,
+ SQLSMALLINT RecordNumber,
+ SQLSMALLINT FieldIdentifier,
+ SQLPOINTER Value,
+ SQLINTEGER BufferLength,
+ SQLINTEGER * StringLength);
+
+SQLRETURN SQLGetDescRec(SQLHDESC DescriptorHandle,
+ SQLSMALLINT RecordNumber,
+ SQLCHAR * Name,
SQLSMALLINT BufferLength,
- SQLSMALLINT *ColumnNameLength,
- SQLSMALLINT *ColumnType,
- SQLINTEGER *ColumnLength,
- SQLSMALLINT *ColumnScale,
- SQLSMALLINT *Nullable);
-
-SQLRETURN SQLDisconnect(SQLHDBC ConnectionHandle);
-
-SQLRETURN SQLEndTran(SQLSMALLINT HandleType,
- SQLHENV Handle,
- SQLSMALLINT CompletionType);
-
-SQLRETURN SQLError(SQLHENV EnvironmentHandle,
- SQLHDBC ConnectionHandle,
- SQLSTMT StatementHandle,
- SQLCHAR *Sqlstate,
- SQLINTEGER *NativeError,
- SQLCHAR *MessageText,
- SQLINTEGER BufferLength,
- SQLINTEGER *TextLength);
-
-SQLRETURN SQLExecDirect(SQLHSTMT StatementHandle,
- SQLCHAR *StatementText,
- SQLSMALLINT StringLength);
-
-SQLRETURN SQLExecute(SQLHSTMT StatementHandle);
-
-SQLRETURN SQLFetch(SQLHSTMT StatementHandle);
-
-SQLRETURN SQLFetchScroll(SQLHSTMT StatementHandle,
- SQLSMALLINT FetchOrientation,
- SQLINTEGER FetchOffset);
-
-SQLRETURN SQLFreeConnect(SQLHDBC ConnectionHandle);
-
-SQLRETURN SQLFreeEnv(SQLHENV EnvironmentHandle);
-
-SQLRETURN SQLFreeHandle(SQLSMALLINT HandleType,
- SQLINTEGER Handle);
-
-SQLRETURN SQLFreeStmt(SQLHSTMT StatementHandle);
+ SQLSMALLINT * StringLength,
+ SQLSMALLINT * Type,
+ SQLSMALLINT * SubType,
+ SQLINTEGER * Length,
+ SQLSMALLINT * Precision,
+ SQLSMALLINT * Scale,
+ SQLSMALLINT * Nullable);
+
+SQLRETURN SQLGetDiagField(SQLSMALLINT HandleType,
+ SQLINTEGER Handle,
+ SQLSMALLINT RecordNumber,
+ SQLSMALLINT DiagIdentifier,
+ SQLPOINTER DiagInfo,
+ SQLSMALLINT BufferLength,
+ SQLSMALLINT * StringLength);
+
+
+SQLRETURN SQLGetDiagRec(SQLSMALLINT HandleType,
+ SQLINTEGER Handle,
+ SQLSMALLINT RecordNumber,
+ SQLCHAR * Sqlstate,
+ SQLINTEGER * NativeError,
+ SQLCHAR * MessageText,
+ SQLSMALLINT BufferLength,
+ SQLSMALLINT * StringLength);
-SQLRETURN SQLGetConnectAttr(SQLHDBC ConnectionHandle,
- SQLINTEGER Attribute,
- SQLPOINTER Value,
- SQLINTEGER BufferLength,
- SQLINTEGER *StringLength);
+SQLRETURN SQLGetEnvAttr(SQLHENV EnvironmentHandle,
+ SQLINTEGER Attribute,
+ SQLPOINTER Value,
+ SQLINTEGER BufferLength,
+ SQLINTEGER * StringLength);
-SQLRETURN SQLGetCursorName(SQLHSTMT StatementHandle,
- SQLCHAR *CursorName,
- SQLSMALLINT BufferLength,
- SQLSMALLINT *NameLength);
+SQLRETURN SQLGetFunctions(SQLHDBC ConnectionHandle,
+ SQLSMALLINT FunctionId,
+ SQLSMALLINT * Supported);
-SQLRETURN SQLGetData(SQLHSTMT StatementHandle,
- SQLSMALLINT ColumnNumber,
- SQLSMALLINT TargetType,
- SQLPOINTER TargetValue,
- SQLINTEGER BufferLength,
- SQLINTEGER *IndicatorValue);
+SQLRETURN SQLGetInfo(SQLHDBC ConnectionHandle,
+ SQLSMALLINT InfoType,
+ SQLPOINTER InfoValue,
+ SQLSMALLINT BufferLength,
+ SQLSMALLINT * StringLength);
-SQLRETURN SQLGetDescField(SQLHDESC DescriptorHandle,
- SQLSMALLINT RecordNumber,
- SQLSMALLINT FieldIdentifier,
+SQLRETURN SQLGetStmtAttr(SQLHSTMT StatementHandle,
+ SQLINTEGER Attribute,
SQLPOINTER Value,
SQLINTEGER BufferLength,
- SQLINTEGER *StringLength);
-
-SQLRETURN SQLGetDescRec(SQLHDESC DescriptorHandle,
- SQLSMALLINT RecordNumber,
- SQLCHAR *Name,
- SQLSMALLINT BufferLength,
- SQLSMALLINT *StringLength,
- SQLSMALLINT *Type,
- SQLSMALLINT *SubType,
- SQLINTEGER *Length,
- SQLSMALLINT *Precision,
- SQLSMALLINT *Scale,
- SQLSMALLINT *Nullable);
-
-SQLRETURN SQLGetDiagField(SQLSMALLINT HandleType,
- SQLINTEGER Handle,
- SQLSMALLINT RecordNumber,
- SQLSMALLINT DiagIdentifier,
- SQLPOINTER DiagInfo,
- SQLSMALLINT BufferLength,
- SQLSMALLINT *StringLength);
-
-
-SQLRETURN SQLGetDiagRec(SQLSMALLINT HandleType,
- SQLINTEGER Handle,
- SQLSMALLINT RecordNumber,
- SQLCHAR *Sqlstate,
- SQLINTEGER *NativeError,
- SQLCHAR *MessageText,
- SQLSMALLINT BufferLength,
- SQLSMALLINT *StringLength);
-
-SQLRETURN SQLGetEnvAttr(SQLHENV EnvironmentHandle,
- SQLINTEGER Attribute,
- SQLPOINTER Value,
- SQLINTEGER BufferLength,
- SQLINTEGER *StringLength);
-
-SQLRETURN SQLGetFunctions(SQLHDBC ConnectionHandle,
- SQLSMALLINT FunctionId,
- SQLSMALLINT *Supported);
-
-SQLRETURN SQLGetInfo(SQLHDBC ConnectionHandle,
- SQLSMALLINT InfoType,
- SQLPOINTER InfoValue,
- SQLSMALLINT BufferLength,
- SQLSMALLINT *StringLength);
-
-SQLRETURN SQLGetStmtAttr(SQLHSTMT StatementHandle,
- SQLINTEGER Attribute,
- SQLPOINTER Value,
- SQLINTEGER BufferLength,
- SQLINTEGER *StringLength);
+ SQLINTEGER * StringLength);
-SQLRETURN SQLGetTypeInfo(SQLHSTMT StatementHandle,
- SQLSMALLINT DataType);
+SQLRETURN SQLGetTypeInfo(SQLHSTMT StatementHandle,
+ SQLSMALLINT DataType);
-SQLRETURN SQLNumResultCols(SQLHSTMT StatementHandle,
- SQLINTEGER *ColumnCount);
+SQLRETURN SQLNumResultCols(SQLHSTMT StatementHandle,
+ SQLINTEGER * ColumnCount);
-SQLRETURN SQLParamData(SQLHSTMT StatementHandle,
- SQLPOINTER *Value);
+SQLRETURN SQLParamData(SQLHSTMT StatementHandle,
+ SQLPOINTER * Value);
-SQLRETURN SQLPrepare(SQLHSTMT StatementHandle,
- SQLCHAR *StatementText,
- SQLSMALLINT StringLength);
+SQLRETURN SQLPrepare(SQLHSTMT StatementHandle,
+ SQLCHAR * StatementText,
+ SQLSMALLINT StringLength);
-SQLRETURN SQLPutData(SQLHSTMT StatementHandle,
- SQLPOINTER Data,
- SQLINTEGER StringLength);
+SQLRETURN SQLPutData(SQLHSTMT StatementHandle,
+ SQLPOINTER Data,
+ SQLINTEGER StringLength);
-SQLRETURN SQLRowCount(SQLHSTMT StatementHandle,
- SQLINTEGER *RowCount);
+SQLRETURN SQLRowCount(SQLHSTMT StatementHandle,
+ SQLINTEGER * RowCount);
-SQLRETURN SQLSetConnectAttr(SQLHDBC ConnectionHandle,
- SQLINTEGER AttributeCursorName,
- SQLPOINTER Value,
- SQLINTEGER StringLength);
+SQLRETURN SQLSetConnectAttr(SQLHDBC ConnectionHandle,
+ SQLINTEGER AttributeCursorName,
+ SQLPOINTER Value,
+ SQLINTEGER StringLength);
-SQLRETURN SQLSetCursorName(SQLHSTMT StatementHandle,
- SQLCHAR *CursorName,
- SQLSMALLINT NameLength);
+SQLRETURN SQLSetCursorName(SQLHSTMT StatementHandle,
+ SQLCHAR * CursorName,
+ SQLSMALLINT NameLength);
-SQLRETURN SQLSetDescField(SQLHDESC DescriptorHandle,
- SQLSMALLINT RecordNumber,
- SQLSMALLINT FieldIdentifier,
- SQLPOINTER Value, SQLINTEGER BufferLength);
+SQLRETURN SQLSetDescField(SQLHDESC DescriptorHandle,
+ SQLSMALLINT RecordNumber,
+ SQLSMALLINT FieldIdentifier,
+ SQLPOINTER Value, SQLINTEGER BufferLength);
-SQLRETURN SQLSetDescRec(SQLHDESC DescriptorHandle,
- SQLSMALLINT RecordNumber,
- SQLSMALLINT Type,
- SQLSMALLINT SubType,
- SQLINTEGER Length,
- SQLSMALLINT Precision,
- SQLSMALLINT Scale,
- SQLPOINTER Data,
- SQLINTEGER *StringLength,
- SQLSMALLINT *Indicator);
+SQLRETURN SQLSetDescRec(SQLHDESC DescriptorHandle,
+ SQLSMALLINT RecordNumber,
+ SQLSMALLINT Type,
+ SQLSMALLINT SubType,
+ SQLINTEGER Length,
+ SQLSMALLINT Precision,
+ SQLSMALLINT Scale,
+ SQLPOINTER Data,
+ SQLINTEGER * StringLength,
+ SQLSMALLINT * Indicator);
-SQLRETURN SQLSetEnvAttr(SQLHENV EnvironmentHandle,
- SQLINTEGER Attribute,
- SQLPOINTER Value,
- SQLINTEGER StringLength);
-
-SQLRETURN SQLSetStmtAttr(SQLHSTMT StatementHandle,
+SQLRETURN SQLSetEnvAttr(SQLHENV EnvironmentHandle,
SQLINTEGER Attribute,
SQLPOINTER Value,
SQLINTEGER StringLength);
+SQLRETURN SQLSetStmtAttr(SQLHSTMT StatementHandle,
+ SQLINTEGER Attribute,
+ SQLPOINTER Value,
+ SQLINTEGER StringLength);
+
/* These are in SQL3 from August 1994
* but not in Date and Darwen, 1997
* - Thomas Lockhart 1999-06-17
/* first we have a set of ecpg messages, they start at 200 */
#define ECPG_UNSUPPORTED -200
-#define ECPG_TOO_MANY_ARGUMENTS -201
+#define ECPG_TOO_MANY_ARGUMENTS -201
#define ECPG_TOO_FEW_ARGUMENTS -202
#define ECPG_TOO_MANY_MATCHES -203
#define ECPG_INT_FORMAT -204
bool ECPGprepare(int, char *, char *);
bool ECPGdeallocate(int, char *);
bool ECPGdeallocate_all(int);
- char *ECPGprepared_statement(char *);
-
+ char *ECPGprepared_statement(char *);
+
void ECPGlog(const char *format,...);
-
+
/* print an error message */
void sqlprint(void);
-
+
/* define this for simplicity as well as compatibility */
#define SQLCODE sqlca.sqlcode
/* dynamic SQL */
- bool ECPGdo_descriptor(int line,const char *connection,
- const char *descriptor,const char *query);
- bool ECPGdeallocate_desc(int line,const char *name);
- bool ECPGallocate_desc(int line,const char *name);
+ bool ECPGdo_descriptor(int line, const char *connection,
+ const char *descriptor, const char *query);
+ bool ECPGdeallocate_desc(int line, const char *name);
+ bool ECPGallocate_desc(int line, const char *name);
void ECPGraise(int line, int code, char *str);
bool ECPGget_desc_header(int, char *, int *);
- bool ECPGget_desc(int, char *, int, ...);
-
+ bool ECPGget_desc(int, char *, int,...);
+
#ifdef __cplusplus
}
ECPGt_NO_INDICATOR /* no indicator */
};
- /* descriptor items */
+ /* descriptor items */
enum ECPGdtype
{
ECPGd_count,
*
* Copyright (c) 2000, Christof Petig <christof.petig@wtal.de>
*
- * $Header: /cvsroot/pgsql/src/interfaces/ecpg/include/sql3types.h,v 1.3 2000/03/17 23:26:30 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/interfaces/ecpg/include/sql3types.h,v 1.4 2000/04/12 17:17:01 momjian Exp $
*/
/* chapter 13.1 table 2: Codes used for SQL data types in Dynamic SQL */
-enum { SQL3_CHARACTER=1,
+enum
+{
+ SQL3_CHARACTER = 1,
SQL3_NUMERIC,
SQL3_DECIMAL,
SQL3_INTEGER,
SQL3_REAL,
SQL3_DOUBLE_PRECISION,
SQL3_DATE_TIME_TIMESTAMP,
- SQL3_INTERVAL, /* 10 */
- SQL3_CHARACTER_VARYING=12,
+ SQL3_INTERVAL, /* 10 */
+ SQL3_CHARACTER_VARYING = 12,
SQL3_ENUMERATED,
SQL3_BIT,
SQL3_BIT_VARYING,
SQL3_BOOLEAN,
SQL3_abstract
/* the rest is xLOB stuff */
- };
+};
/* chapter 13.1 table 3: Codes associated with datetime data types in Dynamic SQL */
-enum { SQL3_DDT_DATE=1,
+enum
+{
+ SQL3_DDT_DATE = 1,
SQL3_DDT_TIME,
SQL3_DDT_TIMESTAMP,
SQL3_DDT_TIME_WITH_TIME_ZONE,
SQL3_DDT_TIMESTAMP_WITH_TIME_ZONE,
-
- SQL3_DDT_ILLEGAL /* not a datetime data type (not part of standard) */
- };
+
+ SQL3_DDT_ILLEGAL /* not a datetime data type (not part of
+ * standard) */
+};
char sqlerrp[8];
long sqlerrd[6];
/* Element 0: empty */
- /* 1: OID of processed tuple if applicable */
+ /* 1: OID of processed tuple if applicable */
/* 2: number of rows processed */
/* after an INSERT, UPDATE or */
/* DELETE statement */
#ifdef __cplusplus
}
+
#endif
#endif
#include "extern.h"
#include <sqlca.h>
-static struct connection *all_connections = NULL, *actual_connection = NULL;
+static struct connection *all_connections = NULL,
+ *actual_connection = NULL;
struct connection *
get_connection(const char *connection_name)
PGresult *results;
if (!ecpg_init(con, connection_name, lineno))
- return(false);
+ return (false);
ECPGlog("ECPGsetcommit line %d action = %s connection = %s\n", lineno, mode, con->name);
-
+
if (con->autocommit == true && strncmp(mode, "off", strlen("off")) == 0)
{
if (con->committed)
struct connection *con = get_connection(connection_name);
if (!ecpg_init(con, connection_name, lineno))
- return(false);
+ return (false);
actual_connection = con;
return true;
struct connection *this;
init_sqlca();
-
+
if ((this = (struct connection *) ecpg_alloc(sizeof(struct connection), lineno)) == NULL)
return false;
con = get_connection(connection_name);
if (!ecpg_init(con, connection_name, lineno))
- return(false);
+ return (false);
else
ecpg_finish(con);
}
bool
get_data(PGresult *results, int act_tuple, int act_field, int lineno,
- enum ECPGttype type, enum ECPGttype ind_type,
- void *var, void *ind, long varcharsize, long offset,
- bool isarray)
+ enum ECPGttype type, enum ECPGttype ind_type,
+ void *var, void *ind, long varcharsize, long offset,
+ bool isarray)
{
- char *pval = (char *)PQgetvalue(results, act_tuple, act_field);
+ char *pval = (char *) PQgetvalue(results, act_tuple, act_field);
ECPGlog("get_data line %d: RESULT: %s\n", lineno, pval ? pval : "");
/* let's check is it really is an array if it should be */
if (isarray)
{
- if (*pval != '{')
+ if (*pval != '{')
{
ECPGlog("get_data data entry does not look like an array in line %d\n", lineno);
ECPGraise(lineno, ECPG_DATA_NOT_ARRAY, NULL);
- return(false);
+ return (false);
}
- else ++pval;
+ else
+ ++pval;
}
/* We will have to decode the value */
/*
- * check for null value and set indicator
- * accordingly
+ * check for null value and set indicator accordingly
*/
switch (ind_type)
{
return (false);
break;
}
-
+
do
- {
- switch (type)
- {
- long res;
- unsigned long ures;
- double dres;
- char *scan_length;
+ {
+ switch (type)
+ {
+ long res;
+ unsigned long ures;
+ double dres;
+ char *scan_length;
- case ECPGt_short:
- case ECPGt_int:
- case ECPGt_long:
- if (pval)
- {
- res = strtol(pval, &scan_length, 10);
- if ((isarray && *scan_length != ',' && *scan_length != '}')
- || (!isarray && *scan_length != '\0')) /* Garbage left */
+ case ECPGt_short:
+ case ECPGt_int:
+ case ECPGt_long:
+ if (pval)
{
- ECPGraise(lineno, ECPG_INT_FORMAT, pval);
- return (false);
- res = 0L;
+ res = strtol(pval, &scan_length, 10);
+ if ((isarray && *scan_length != ',' && *scan_length != '}')
+ || (!isarray && *scan_length != '\0')) /* Garbage left */
+ {
+ ECPGraise(lineno, ECPG_INT_FORMAT, pval);
+ return (false);
+ res = 0L;
+ }
}
- }
- else
- res = 0L;
-
- switch (type)
- {
- case ECPGt_short:
- ((short *) var)[act_tuple] = (short) res;
- break;
- case ECPGt_int:
- ((int *) var)[act_tuple] = (int) res;
- break;
- case ECPGt_long:
- ((long *) var)[act_tuple] = res;
- break;
- default:
- /* Cannot happen */
- break;
- }
- break;
+ else
+ res = 0L;
- case ECPGt_unsigned_short:
- case ECPGt_unsigned_int:
- case ECPGt_unsigned_long:
- if (pval)
- {
- ures = strtoul(pval, &scan_length, 10);
- if ((isarray && *scan_length != ',' && *scan_length != '}')
- || (!isarray && *scan_length != '\0')) /* Garbage left */
+ switch (type)
{
- ECPGraise(lineno, ECPG_UINT_FORMAT, pval);
- return (false);
- ures = 0L;
+ case ECPGt_short:
+ ((short *) var)[act_tuple] = (short) res;
+ break;
+ case ECPGt_int:
+ ((int *) var)[act_tuple] = (int) res;
+ break;
+ case ECPGt_long:
+ ((long *) var)[act_tuple] = res;
+ break;
+ default:
+ /* Cannot happen */
+ break;
}
- }
- else
- ures = 0L;
-
- switch (type)
- {
- case ECPGt_unsigned_short:
- ((unsigned short *) var)[act_tuple] = (unsigned short) ures;
- break;
- case ECPGt_unsigned_int:
- ((unsigned int *) var)[act_tuple] = (unsigned int) ures;
- break;
- case ECPGt_unsigned_long:
- ((unsigned long *) var)[act_tuple] = ures;
- break;
- default:
- /* Cannot happen */
- break;
- }
- break;
+ break;
+ case ECPGt_unsigned_short:
+ case ECPGt_unsigned_int:
+ case ECPGt_unsigned_long:
+ if (pval)
+ {
+ ures = strtoul(pval, &scan_length, 10);
+ if ((isarray && *scan_length != ',' && *scan_length != '}')
+ || (!isarray && *scan_length != '\0')) /* Garbage left */
+ {
+ ECPGraise(lineno, ECPG_UINT_FORMAT, pval);
+ return (false);
+ ures = 0L;
+ }
+ }
+ else
+ ures = 0L;
- case ECPGt_float:
- case ECPGt_double:
- if (pval)
- {
- dres = strtod(pval, &scan_length);
- if ((isarray && *scan_length != ',' && *scan_length != '}')
- || (!isarray && *scan_length != '\0')) /* Garbage left */
+ switch (type)
{
- ECPGraise(lineno, ECPG_FLOAT_FORMAT, pval);
- return (false);
- dres = 0.0;
+ case ECPGt_unsigned_short:
+ ((unsigned short *) var)[act_tuple] = (unsigned short) ures;
+ break;
+ case ECPGt_unsigned_int:
+ ((unsigned int *) var)[act_tuple] = (unsigned int) ures;
+ break;
+ case ECPGt_unsigned_long:
+ ((unsigned long *) var)[act_tuple] = ures;
+ break;
+ default:
+ /* Cannot happen */
+ break;
}
- }
- else
- dres = 0.0;
+ break;
- switch (type)
- {
- case ECPGt_float:
- ((float *) var)[act_tuple] = dres;
- break;
- case ECPGt_double:
- ((double *) var)[act_tuple] = dres;
- break;
- default:
- /* Cannot happen */
- break;
- }
- break;
- case ECPGt_bool:
- if (pval)
- {
- if (pval[0] == 'f' && pval[1] == '\0')
+ case ECPGt_float:
+ case ECPGt_double:
+ if (pval)
{
- ((char *) var)[act_tuple] = false;
- break;
+ dres = strtod(pval, &scan_length);
+ if ((isarray && *scan_length != ',' && *scan_length != '}')
+ || (!isarray && *scan_length != '\0')) /* Garbage left */
+ {
+ ECPGraise(lineno, ECPG_FLOAT_FORMAT, pval);
+ return (false);
+ dres = 0.0;
+ }
}
- else if (pval[0] == 't' && pval[1] == '\0')
+ else
+ dres = 0.0;
+
+ switch (type)
{
- ((char *) var)[act_tuple] = true;
- break;
+ case ECPGt_float:
+ ((float *) var)[act_tuple] = dres;
+ break;
+ case ECPGt_double:
+ ((double *) var)[act_tuple] = dres;
+ break;
+ default:
+ /* Cannot happen */
+ break;
}
- else if (pval[0] == '\0' && PQgetisnull(results, act_tuple, act_field))
+ break;
+
+ case ECPGt_bool:
+ if (pval)
{
- /* NULL is valid */
- break;
+ if (pval[0] == 'f' && pval[1] == '\0')
+ {
+ ((char *) var)[act_tuple] = false;
+ break;
+ }
+ else if (pval[0] == 't' && pval[1] == '\0')
+ {
+ ((char *) var)[act_tuple] = true;
+ break;
+ }
+ else if (pval[0] == '\0' && PQgetisnull(results, act_tuple, act_field))
+ {
+ /* NULL is valid */
+ break;
+ }
}
- }
- ECPGraise(lineno, ECPG_CONVERT_BOOL, pval);
- return (false);
- break;
+ ECPGraise(lineno, ECPG_CONVERT_BOOL, pval);
+ return (false);
+ break;
- case ECPGt_char:
- case ECPGt_unsigned_char:
- {
- strncpy((char *) ((long) var + offset * act_tuple), pval, varcharsize);
- if (varcharsize && varcharsize < strlen(pval))
+ case ECPGt_char:
+ case ECPGt_unsigned_char:
{
- /* truncation */
- switch (ind_type)
+ strncpy((char *) ((long) var + offset * act_tuple), pval, varcharsize);
+ if (varcharsize && varcharsize < strlen(pval))
{
- case ECPGt_short:
- case ECPGt_unsigned_short:
- ((short *) ind)[act_tuple] = varcharsize;
- break;
- case ECPGt_int:
- case ECPGt_unsigned_int:
- ((int *) ind)[act_tuple] = varcharsize;
- break;
- case ECPGt_long:
- case ECPGt_unsigned_long:
- ((long *) ind)[act_tuple] = varcharsize;
- break;
- default:
- break;
+ /* truncation */
+ switch (ind_type)
+ {
+ case ECPGt_short:
+ case ECPGt_unsigned_short:
+ ((short *) ind)[act_tuple] = varcharsize;
+ break;
+ case ECPGt_int:
+ case ECPGt_unsigned_int:
+ ((int *) ind)[act_tuple] = varcharsize;
+ break;
+ case ECPGt_long:
+ case ECPGt_unsigned_long:
+ ((long *) ind)[act_tuple] = varcharsize;
+ break;
+ default:
+ break;
+ }
+ sqlca.sqlwarn[0] = sqlca.sqlwarn[1] = 'W';
}
- sqlca.sqlwarn[0] = sqlca.sqlwarn[1] = 'W';
}
- }
- break;
+ break;
- case ECPGt_varchar:
- {
- struct ECPGgeneric_varchar *variable =
- (struct ECPGgeneric_varchar *) ((long) var + offset * act_tuple);
+ case ECPGt_varchar:
+ {
+ struct ECPGgeneric_varchar *variable =
+ (struct ECPGgeneric_varchar *) ((long) var + offset * act_tuple);
- if (varcharsize == 0)
- strncpy(variable->arr, pval, strlen(pval));
- else
- strncpy(variable->arr, pval, varcharsize);
+ if (varcharsize == 0)
+ strncpy(variable->arr, pval, strlen(pval));
+ else
+ strncpy(variable->arr, pval, varcharsize);
- variable->len = strlen(pval);
- if (varcharsize > 0 && variable->len > varcharsize)
- {
- /* truncation */
- switch (ind_type)
+ variable->len = strlen(pval);
+ if (varcharsize > 0 && variable->len > varcharsize)
{
- case ECPGt_short:
- case ECPGt_unsigned_short:
- ((short *) ind)[act_tuple] = varcharsize;
- break;
- case ECPGt_int:
- case ECPGt_unsigned_int:
- ((int *) ind)[act_tuple] = varcharsize;
- break;
- case ECPGt_long:
- case ECPGt_unsigned_long:
- ((long *) ind)[act_tuple] = varcharsize;
- break;
- default:
- break;
- }
- sqlca.sqlwarn[0] = sqlca.sqlwarn[1] = 'W';
+ /* truncation */
+ switch (ind_type)
+ {
+ case ECPGt_short:
+ case ECPGt_unsigned_short:
+ ((short *) ind)[act_tuple] = varcharsize;
+ break;
+ case ECPGt_int:
+ case ECPGt_unsigned_int:
+ ((int *) ind)[act_tuple] = varcharsize;
+ break;
+ case ECPGt_long:
+ case ECPGt_unsigned_long:
+ ((long *) ind)[act_tuple] = varcharsize;
+ break;
+ default:
+ break;
+ }
+ sqlca.sqlwarn[0] = sqlca.sqlwarn[1] = 'W';
- variable->len = varcharsize;
+ variable->len = varcharsize;
+ }
}
- }
- break;
+ break;
- default:
- ECPGraise(lineno, ECPG_UNSUPPORTED, ECPGtype_name(type));
- return (false);
- break;
- }
- if (isarray)
- {
- bool string = false;
-
- /* set array to next entry */
- ++act_tuple;
-
- /* set pval to the next entry */
- for (; string || (*pval != ',' && *pval != '}'); ++pval)
- if (*pval == '"')
- string = string ? false : true;
-
- if (*pval == ',')
- ++pval;
- }
+ default:
+ ECPGraise(lineno, ECPG_UNSUPPORTED, ECPGtype_name(type));
+ return (false);
+ break;
+ }
+ if (isarray)
+ {
+ bool string = false;
+
+ /* set array to next entry */
+ ++act_tuple;
+
+ /* set pval to the next entry */
+ for (; string || (*pval != ',' && *pval != '}'); ++pval)
+ if (*pval == '"')
+ string = string ? false : true;
+
+ if (*pval == ',')
+ ++pval;
+ }
} while (isarray && *pval != '}');
return (true);
struct descriptor
{
- char *name;
- PGresult *result;
- struct descriptor *next;
-} *all_descriptors = NULL;
-
+ char *name;
+ PGresult *result;
+ struct descriptor *next;
+} *all_descriptors = NULL;
+
static PGresult
-*ECPGresultByDescriptor(int line,const char *name)
+ *
+ECPGresultByDescriptor(int line, const char *name)
{
struct descriptor *i;
-
+
for (i = all_descriptors; i != NULL; i = i->next)
{
- if (!strcmp(name, i->name)) return i->result;
+ if (!strcmp(name, i->name))
+ return i->result;
}
-
+
ECPGraise(line, ECPG_UNKNOWN_DESCRIPTOR, name);
-
+
return NULL;
-}
+}
static unsigned int
ECPGDynamicType_DDT(Oid type)
{
- switch(type)
- {
- case 1082: return SQL3_DDT_DATE; /* date */
- case 1083: return SQL3_DDT_TIME; /* time */
- case 1184: return SQL3_DDT_TIMESTAMP_WITH_TIME_ZONE; /* datetime */
- case 1296: return SQL3_DDT_TIMESTAMP_WITH_TIME_ZONE; /* timestamp */
+ switch (type)
+ {
+ case 1082:return SQL3_DDT_DATE; /* date */
+ case 1083:
+ return SQL3_DDT_TIME; /* time */
+ case 1184:
+ return SQL3_DDT_TIMESTAMP_WITH_TIME_ZONE; /* datetime */
+ case 1296:
+ return SQL3_DDT_TIMESTAMP_WITH_TIME_ZONE; /* timestamp */
default:
return SQL3_DDT_ILLEGAL;
}
}
bool
-ECPGget_desc_header(int lineno, char * desc_name, int *count)
+ECPGget_desc_header(int lineno, char *desc_name, int *count)
{
- PGresult *ECPGresult = ECPGresultByDescriptor(lineno, desc_name);
-
+ PGresult *ECPGresult = ECPGresultByDescriptor(lineno, desc_name);
+
if (!ECPGresult)
return false;
*count = PQnfields(ECPGresult);
ECPGlog("ECPGget_desc_header: found %d attributes.\n", *count);
return true;
-}
+}
static bool
get_int_item(int lineno, void *var, enum ECPGdtype vartype, int value)
{
switch (vartype)
- {
- case ECPGt_short:
- *(short *)var = value;
- break;
+ {
+ case ECPGt_short:
+ *(short *) var = value;
+ break;
case ECPGt_int:
- *(int *)var = value;
- break;
- case ECPGt_long:
- *(long *)var = value;
- break;
- case ECPGt_unsigned_short:
- *(unsigned short *)var = value;
- break;
+ *(int *) var = value;
+ break;
+ case ECPGt_long:
+ *(long *) var = value;
+ break;
+ case ECPGt_unsigned_short:
+ *(unsigned short *) var = value;
+ break;
case ECPGt_unsigned_int:
- *(unsigned int *)var = value;
- break;
- case ECPGt_unsigned_long:
- *(unsigned long *)var = value;
- break;
- case ECPGt_float:
- *(float *)var = value;
- break;
- case ECPGt_double:
- *(double *)var = value;
- break;
- default:
- ECPGraise(lineno, ECPG_VAR_NOT_NUMERIC, NULL);
- return (false);
+ *(unsigned int *) var = value;
+ break;
+ case ECPGt_unsigned_long:
+ *(unsigned long *) var = value;
+ break;
+ case ECPGt_float:
+ *(float *) var = value;
+ break;
+ case ECPGt_double:
+ *(double *) var = value;
+ break;
+ default:
+ ECPGraise(lineno, ECPG_VAR_NOT_NUMERIC, NULL);
+ return (false);
}
-
- return(true);
+
+ return (true);
}
static bool
get_char_item(int lineno, void *var, enum ECPGdtype vartype, char *value, int varcharsize)
{
switch (vartype)
- {
- case ECPGt_char:
- case ECPGt_unsigned_char:
- strncpy((char *) var, value, varcharsize);
- break;
- case ECPGt_varchar:
- {
- struct ECPGgeneric_varchar *variable =
- (struct ECPGgeneric_varchar *) var;
-
- if (varcharsize == 0)
+ {
+ case ECPGt_char:
+ case ECPGt_unsigned_char:
+ strncpy((char *) var, value, varcharsize);
+ break;
+ case ECPGt_varchar:
+ {
+ struct ECPGgeneric_varchar *variable =
+ (struct ECPGgeneric_varchar *) var;
+
+ if (varcharsize == 0)
strncpy(variable->arr, value, strlen(value));
- else
- strncpy(variable->arr, value, varcharsize);
-
- variable->len = strlen(value);
- if (varcharsize > 0 && variable->len > varcharsize)
- variable->len = varcharsize;
- }
- break;
- default:
- ECPGraise(lineno, ECPG_VAR_NOT_CHAR, NULL);
- return (false);
+ else
+ strncpy(variable->arr, value, varcharsize);
+
+ variable->len = strlen(value);
+ if (varcharsize > 0 && variable->len > varcharsize)
+ variable->len = varcharsize;
+ }
+ break;
+ default:
+ ECPGraise(lineno, ECPG_VAR_NOT_CHAR, NULL);
+ return (false);
}
-
- return(true);
+
+ return (true);
}
bool
-ECPGget_desc(int lineno, char *desc_name, int index, ...)
+ECPGget_desc(int lineno, char *desc_name, int index,...)
{
- va_list args;
- PGresult *ECPGresult = ECPGresultByDescriptor(lineno, desc_name);
- enum ECPGdtype type;
+ va_list args;
+ PGresult *ECPGresult = ECPGresultByDescriptor(lineno, desc_name);
+ enum ECPGdtype type;
bool DataButNoIndicator = false;
-
+
va_start(args, index);
- if (!ECPGresult)
- return (false);
-
- if (PQntuples(ECPGresult) < 1)
- {
- ECPGraise(lineno, ECPG_NOT_FOUND, NULL);
- return (false);
- }
-
- if (index < 1 || index >PQnfields(ECPGresult))
- {
- ECPGraise(lineno, ECPG_INVALID_DESCRIPTOR_INDEX, NULL);
- return (false);
- }
+ if (!ECPGresult)
+ return (false);
+
+ if (PQntuples(ECPGresult) < 1)
+ {
+ ECPGraise(lineno, ECPG_NOT_FOUND, NULL);
+ return (false);
+ }
+
+ if (index < 1 || index > PQnfields(ECPGresult))
+ {
+ ECPGraise(lineno, ECPG_INVALID_DESCRIPTOR_INDEX, NULL);
+ return (false);
+ }
ECPGlog("ECPGget_desc: reading items for tuple %d\n", index);
- --index;
-
- type = va_arg(args, enum ECPGdtype);
-
- while (type != ECPGd_EODT)
- {
- char type_str[20];
- long varcharsize;
- long offset;
- long arrsize;
- enum ECPGttype vartype;
- void *var;
-
- vartype = va_arg(args, enum ECPGttype);
- var = va_arg(args, void *);
- varcharsize = va_arg(args, long);
- arrsize = va_arg(args, long);
+ --index;
+
+ type = va_arg(args, enum ECPGdtype);
+
+ while (type != ECPGd_EODT)
+ {
+ char type_str[20];
+ long varcharsize;
+ long offset;
+ long arrsize;
+ enum ECPGttype vartype;
+ void *var;
+
+ vartype = va_arg(args, enum ECPGttype);
+ var = va_arg(args, void *);
+ varcharsize = va_arg(args, long);
+ arrsize = va_arg(args, long);
offset = va_arg(args, long);
-
- switch (type)
- {
- case (ECPGd_indicator):
- if (!get_int_item(lineno, var, vartype, -PQgetisnull(ECPGresult, 0, index)))
- return (false);
-
- ECPGlog("ECPGget_desc: INDICATOR = %d\n", -PQgetisnull(ECPGresult, 0, index));
- break;
-
- case ECPGd_name:
- if (!get_char_item(lineno, var, vartype, PQfname(ECPGresult, index), varcharsize))
- return(false);
-
- ECPGlog("ECPGget_desc: NAME = %s\n", PQfname(ECPGresult, index));
- break;
-
- case ECPGd_nullable:
- if (!get_int_item(lineno, var, vartype, 1))
- return (false);
-
- break;
-
- case ECPGd_key_member:
- if (!get_int_item(lineno, var, vartype, 0))
- return (false);
-
- break;
-
- case ECPGd_scale:
- if (!get_int_item(lineno, var, vartype, (PQfmod(ECPGresult, index) - VARHDRSZ) & 0xffff))
- return (false);
-
- ECPGlog("ECPGget_desc: SCALE = %d\n", (PQfmod(ECPGresult, index) - VARHDRSZ) & 0xffff);
- break;
-
- case ECPGd_precision:
- if (!get_int_item(lineno, var, vartype, PQfmod(ECPGresult, index) >> 16))
- return (false);
-
- ECPGlog("ECPGget_desc: PRECISION = %d\n", PQfmod(ECPGresult, index) >> 16);
- break;
-
- case ECPGd_ret_length:
+
+ switch (type)
+ {
+ case (ECPGd_indicator):
+ if (!get_int_item(lineno, var, vartype, -PQgetisnull(ECPGresult, 0, index)))
+ return (false);
+
+ ECPGlog("ECPGget_desc: INDICATOR = %d\n", -PQgetisnull(ECPGresult, 0, index));
+ break;
+
+ case ECPGd_name:
+ if (!get_char_item(lineno, var, vartype, PQfname(ECPGresult, index), varcharsize))
+ return (false);
+
+ ECPGlog("ECPGget_desc: NAME = %s\n", PQfname(ECPGresult, index));
+ break;
+
+ case ECPGd_nullable:
+ if (!get_int_item(lineno, var, vartype, 1))
+ return (false);
+
+ break;
+
+ case ECPGd_key_member:
+ if (!get_int_item(lineno, var, vartype, 0))
+ return (false);
+
+ break;
+
+ case ECPGd_scale:
+ if (!get_int_item(lineno, var, vartype, (PQfmod(ECPGresult, index) - VARHDRSZ) & 0xffff))
+ return (false);
+
+ ECPGlog("ECPGget_desc: SCALE = %d\n", (PQfmod(ECPGresult, index) - VARHDRSZ) & 0xffff);
+ break;
+
+ case ECPGd_precision:
+ if (!get_int_item(lineno, var, vartype, PQfmod(ECPGresult, index) >> 16))
+ return (false);
+
+ ECPGlog("ECPGget_desc: PRECISION = %d\n", PQfmod(ECPGresult, index) >> 16);
+ break;
+
+ case ECPGd_ret_length:
case ECPGd_ret_octet:
if (!get_int_item(lineno, var, vartype, PQgetlength(ECPGresult, 0, index)))
- return (false);
-
- ECPGlog("ECPGget_desc: RETURNED = %d\n", PQgetlength(ECPGresult, 0, index));
- break;
-
+ return (false);
+
+ ECPGlog("ECPGget_desc: RETURNED = %d\n", PQgetlength(ECPGresult, 0, index));
+ break;
+
case ECPGd_octet:
if (!get_int_item(lineno, var, vartype, PQfsize(ECPGresult, index)))
- return (false);
-
- ECPGlog("ECPGget_desc: OCTET_LENGTH = %d\n", PQfsize(ECPGresult, index));
- break;
+ return (false);
+
+ ECPGlog("ECPGget_desc: OCTET_LENGTH = %d\n", PQfsize(ECPGresult, index));
+ break;
case ECPGd_length:
if (!get_int_item(lineno, var, vartype, PQfmod(ECPGresult, index) - VARHDRSZ))
- return (false);
-
- ECPGlog("ECPGget_desc: LENGTH = %d\n", PQfmod(ECPGresult, index) - VARHDRSZ);
+ return (false);
+
+ ECPGlog("ECPGget_desc: LENGTH = %d\n", PQfmod(ECPGresult, index) - VARHDRSZ);
+ break;
+
+ case ECPGd_type:
+ if (!get_int_item(lineno, var, vartype, ECPGDynamicType(PQftype(ECPGresult, index))))
+ return (false);
+
+ ECPGlog("ECPGget_desc: TYPE = %d\n", ECPGDynamicType(PQftype(ECPGresult, index)));
+ break;
+
+ case ECPGd_di_code:
+ if (!get_int_item(lineno, var, vartype, ECPGDynamicType_DDT(PQftype(ECPGresult, index))))
+ return (false);
+
+ ECPGlog("ECPGget_desc: TYPE = %d\n", ECPGDynamicType_DDT(PQftype(ECPGresult, index)));
break;
-
- case ECPGd_type:
- if (!get_int_item(lineno, var, vartype, ECPGDynamicType(PQftype(ECPGresult, index))))
- return (false);
-
- ECPGlog("ECPGget_desc: TYPE = %d\n", ECPGDynamicType(PQftype(ECPGresult, index)));
- break;
-
- case ECPGd_di_code:
- if (!get_int_item(lineno, var, vartype, ECPGDynamicType_DDT(PQftype(ECPGresult, index))))
- return (false);
-
- ECPGlog("ECPGget_desc: TYPE = %d\n", ECPGDynamicType_DDT(PQftype(ECPGresult, index)));
- break;
case ECPGd_data:
if (!get_data(ECPGresult, 0, index, lineno, vartype, ECPGt_NO_INDICATOR, var, NULL, varcharsize, offset, false))
- return (false);
-
+ return (false);
+
break;
-
- default:
- snprintf(type_str, sizeof(type_str), "%d", type);
- ECPGraise(lineno, ECPG_UNKNOWN_DESCRIPTOR_ITEM, type_str);
- return(false);
+
+ default:
+ snprintf(type_str, sizeof(type_str), "%d", type);
+ ECPGraise(lineno, ECPG_UNKNOWN_DESCRIPTOR_ITEM, type_str);
+ return (false);
}
-
- type = va_arg(args, enum ECPGdtype);
+
+ type = va_arg(args, enum ECPGdtype);
+ }
+
+ if (DataButNoIndicator && PQgetisnull(ECPGresult, 0, index))
+ {
+ ECPGraise(lineno, ECPG_MISSING_INDICATOR, NULL);
+ return (false);
}
-
- if (DataButNoIndicator && PQgetisnull(ECPGresult, 0, index))
- {
- ECPGraise(lineno, ECPG_MISSING_INDICATOR, NULL);
- return (false);
- }
-
- return (true);
+
+ return (true);
}
bool
{
struct descriptor *i;
struct descriptor **lastptr = &all_descriptors;
-
+
for (i = all_descriptors; i; lastptr = &i->next, i = i->next)
{
if (!strcmp(name, i->name))
}
ECPGraise(line, ECPG_UNKNOWN_DESCRIPTOR, name);
return false;
-}
+}
bool
-ECPGallocate_desc(int line,const char *name)
+ECPGallocate_desc(int line, const char *name)
{
- struct descriptor *new = (struct descriptor *)malloc(sizeof(struct descriptor));
-
+ struct descriptor *new = (struct descriptor *) malloc(sizeof(struct descriptor));
+
new->next = all_descriptors;
- new->name = malloc(strlen(name)+1);
+ new->name = malloc(strlen(name) + 1);
new->result = PQmakeEmptyPGresult(NULL, 0);
strcpy(new->name, name);
all_descriptors = new;
ECPGraise(int line, int code, char *str)
{
sqlca.sqlcode = code;
-
+
switch (code)
- {
- case ECPG_NOT_FOUND:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "No data found in line %d.", line);
- break;
-
- case ECPG_OUT_OF_MEMORY:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "Out of memory in line %d.", line);
- break;
-
- case ECPG_UNSUPPORTED:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "Unsupported type %s in line %d.", str, line);
- break;
-
- case ECPG_TOO_MANY_ARGUMENTS:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "Too many arguments in line %d.", line);
- break;
-
- case ECPG_TOO_FEW_ARGUMENTS:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "Too few arguments in line %d.", line);
- break;
-
- case ECPG_INT_FORMAT:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "Not correctly formatted int type: %s line %d.", str, line);
- break;
-
- case ECPG_UINT_FORMAT:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "Not correctly formatted unsigned type: %s in line %d.", str, line);
- break;
-
- case ECPG_FLOAT_FORMAT:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "Not correctly formatted floating point type: %s in line %d.", str, line);
- break;
-
- case ECPG_CONVERT_BOOL:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "Unable to convert %s to bool on line %d.", str, line);
- break;
-
- case ECPG_EMPTY:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "Empty query in line %d.", line);
- break;
-
- case ECPG_MISSING_INDICATOR:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "NULL value without indicator in line %d.", line);
- break;
-
- case ECPG_NO_ARRAY:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "variable is not an array in line %d.", line);
- break;
-
- case ECPG_DATA_NOT_ARRAY:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "data read from backend is not an array in line %d.", line);
- break;
-
- case ECPG_NO_CONN:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "No such connection %s in line %d.", str, line);
- break;
-
- case ECPG_NOT_CONN:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "Not connected in line %d.", line);
- break;
-
- case ECPG_INVALID_STMT:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "Invalid statement name in line %d.", line);
- break;
-
- case ECPG_UNKNOWN_DESCRIPTOR:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "Sescriptor %s not found in line %d.", str, line);
- break;
-
- case ECPG_INVALID_DESCRIPTOR_INDEX:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "Sescriptor index out of range in line %d.", line);
- break;
-
- case ECPG_UNKNOWN_DESCRIPTOR_ITEM:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "Unknown descriptor item %s in line %d.", str, line);
- break;
-
- case ECPG_VAR_NOT_NUMERIC:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "Variable is not a numeric type in line %d.", line);
- break;
-
- case ECPG_VAR_NOT_CHAR:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "Variable is not a character type in line %d.", line);
+ {
+ case ECPG_NOT_FOUND:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "No data found in line %d.", line);
+ break;
+
+ case ECPG_OUT_OF_MEMORY:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "Out of memory in line %d.", line);
+ break;
+
+ case ECPG_UNSUPPORTED:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "Unsupported type %s in line %d.", str, line);
+ break;
+
+ case ECPG_TOO_MANY_ARGUMENTS:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "Too many arguments in line %d.", line);
+ break;
+
+ case ECPG_TOO_FEW_ARGUMENTS:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "Too few arguments in line %d.", line);
+ break;
+
+ case ECPG_INT_FORMAT:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "Not correctly formatted int type: %s line %d.", str, line);
+ break;
+
+ case ECPG_UINT_FORMAT:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "Not correctly formatted unsigned type: %s in line %d.", str, line);
+ break;
+
+ case ECPG_FLOAT_FORMAT:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "Not correctly formatted floating point type: %s in line %d.", str, line);
+ break;
+
+ case ECPG_CONVERT_BOOL:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "Unable to convert %s to bool on line %d.", str, line);
+ break;
+
+ case ECPG_EMPTY:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "Empty query in line %d.", line);
+ break;
+
+ case ECPG_MISSING_INDICATOR:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "NULL value without indicator in line %d.", line);
+ break;
+
+ case ECPG_NO_ARRAY:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "variable is not an array in line %d.", line);
+ break;
+
+ case ECPG_DATA_NOT_ARRAY:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "data read from backend is not an array in line %d.", line);
break;
-
+
+ case ECPG_NO_CONN:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "No such connection %s in line %d.", str, line);
+ break;
+
+ case ECPG_NOT_CONN:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "Not connected in line %d.", line);
+ break;
+
+ case ECPG_INVALID_STMT:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "Invalid statement name in line %d.", line);
+ break;
+
+ case ECPG_UNKNOWN_DESCRIPTOR:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "Sescriptor %s not found in line %d.", str, line);
+ break;
+
+ case ECPG_INVALID_DESCRIPTOR_INDEX:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "Sescriptor index out of range in line %d.", line);
+ break;
+
+ case ECPG_UNKNOWN_DESCRIPTOR_ITEM:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "Unknown descriptor item %s in line %d.", str, line);
+ break;
+
+ case ECPG_VAR_NOT_NUMERIC:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "Variable is not a numeric type in line %d.", line);
+ break;
+
+ case ECPG_VAR_NOT_CHAR:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "Variable is not a character type in line %d.", line);
+ break;
+
case ECPG_PGSQL:
/* strip trailing newline */
- if (str[strlen(str)-1] == '\n')
- str[strlen(str)-1] = '\0';
-
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "'%s' in line %d.", str, line);
- break;
-
- case ECPG_TRANS:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "Error in transaction processing in line %d.", line);
- break;
-
- case ECPG_CONNECT:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "Could not connect to database %s in line %d.", str, line);
- break;
-
+ if (str[strlen(str) - 1] == '\n')
+ str[strlen(str) - 1] = '\0';
+
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "'%s' in line %d.", str, line);
+ break;
+
+ case ECPG_TRANS:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "Error in transaction processing in line %d.", line);
+ break;
+
+ case ECPG_CONNECT:
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "Could not connect to database %s in line %d.", str, line);
+ break;
+
default:
- snprintf(sqlca.sqlerrm.sqlerrmc,sizeof(sqlca.sqlerrm.sqlerrmc),
- "SQL error #%d in line %d.", code, line);
+ snprintf(sqlca.sqlerrm.sqlerrmc, sizeof(sqlca.sqlerrm.sqlerrmc),
+ "SQL error #%d in line %d.", code, line);
break;
}
-
+
sqlca.sqlerrm.sqlerrml = strlen(sqlca.sqlerrm.sqlerrmc);
- /* free all memory we have allocated for the user */
- free_auto_mem();
+ /* free all memory we have allocated for the user */
+ free_auto_mem();
}
/* print out an error message */
/* keep a list of memory we allocated for the user */
static struct auto_mem
{
- void *pointer;
- struct auto_mem *next;
-} *auto_allocs = NULL;
+ void *pointer;
+ struct auto_mem *next;
+} *auto_allocs = NULL;
static void
add_mem(void *ptr, int lineno)
auto_allocs = am;
}
-void free_auto_mem(void)
+void
+free_auto_mem(void)
{
struct auto_mem *am;
-
- /* free all memory we have allocated for the user */
- for (am = auto_allocs; am;)
- {
- struct auto_mem *act = am;
-
- am = am->next;
- free(act->pointer);
- free(act);
+
+ /* free all memory we have allocated for the user */
+ for (am = auto_allocs; am;)
+ {
+ struct auto_mem *act = am;
+
+ am = am->next;
+ free(act->pointer);
+ free(act);
}
-
+
auto_allocs = NULL;
}
bool string = false;
for (; *ptr != '\0' && (*ptr != '?' || string); ptr++)
- if (*ptr == '\'' && *(ptr-1) != '\\')
+ if (*ptr == '\'' && *(ptr - 1) != '\\')
string = string ? false : true;
return (*ptr == '\0') ? NULL : ptr;
{
bool status = false;
char *copiedquery;
- PGresult *results, *query;
+ PGresult *results,
+ *query;
PGnotify *notify;
struct variable *var;
char *mallocedval = NULL;
char *tobeinserted = NULL;
char *p;
- char buff[20];
+ char buff[20];
/*
* Some special treatment is needed for records since we want
{
switch (var->type)
{
- int element;
-
+ int element;
+
case ECPGt_short:
if (!(mallocedval = ecpg_alloc(var->arrsize * 20, stmt->lineno)))
return false;
if (var->arrsize > 1)
{
- strncpy(mallocedval, "'{", sizeof("'{"));
-
+ strncpy(mallocedval, "'{", sizeof("'{"));
+
for (element = 0; element < var->arrsize; element++)
sprintf(mallocedval + strlen(mallocedval), "%hd,", ((short *) var->value)[element]);
-
- strncpy(mallocedval + strlen(mallocedval) - 1, "}'", sizeof("}'"));
+
+ strncpy(mallocedval + strlen(mallocedval) - 1, "}'", sizeof("}'"));
}
else
sprintf(mallocedval, "%hd", *((short *) var->value));
if (var->arrsize > 1)
{
- strncpy(mallocedval, "'{", sizeof("'{"));
-
+ strncpy(mallocedval, "'{", sizeof("'{"));
+
for (element = 0; element < var->arrsize; element++)
sprintf(mallocedval + strlen(mallocedval), "%d,", ((int *) var->value)[element]);
-
- strncpy(mallocedval + strlen(mallocedval) - 1, "}'", sizeof("}'"));
+
+ strncpy(mallocedval + strlen(mallocedval) - 1, "}'", sizeof("}'"));
}
else
sprintf(mallocedval, "%d", *((int *) var->value));
if (var->arrsize > 1)
{
- strncpy(mallocedval, "'{", sizeof("'{"));
-
+ strncpy(mallocedval, "'{", sizeof("'{"));
+
for (element = 0; element < var->arrsize; element++)
sprintf(mallocedval + strlen(mallocedval), "%hu,", ((unsigned short *) var->value)[element]);
-
- strncpy(mallocedval + strlen(mallocedval) - 1, "}'", sizeof("}'"));
+
+ strncpy(mallocedval + strlen(mallocedval) - 1, "}'", sizeof("}'"));
}
else
sprintf(mallocedval, "%hu", *((unsigned short *) var->value));
if (var->arrsize > 1)
{
- strncpy(mallocedval, "'{", sizeof("'{"));
-
+ strncpy(mallocedval, "'{", sizeof("'{"));
+
for (element = 0; element < var->arrsize; element++)
sprintf(mallocedval + strlen(mallocedval), "%u,", ((unsigned int *) var->value)[element]);
-
- strncpy(mallocedval + strlen(mallocedval) - 1, "}'", sizeof("}'"));
+
+ strncpy(mallocedval + strlen(mallocedval) - 1, "}'", sizeof("}'"));
}
else
sprintf(mallocedval, "%u", *((unsigned int *) var->value));
case ECPGt_long:
if (!(mallocedval = ecpg_alloc(var->arrsize * 20, stmt->lineno)))
return false;
-
+
if (var->arrsize > 1)
{
- strncpy(mallocedval, "'{", sizeof("'{"));
-
+ strncpy(mallocedval, "'{", sizeof("'{"));
+
for (element = 0; element < var->arrsize; element++)
sprintf(mallocedval + strlen(mallocedval), "%ld,", ((long *) var->value)[element]);
-
- strncpy(mallocedval + strlen(mallocedval) - 1, "}'", sizeof("}'"));
+
+ strncpy(mallocedval + strlen(mallocedval) - 1, "}'", sizeof("}'"));
}
else
sprintf(mallocedval, "%ld", *((long *) var->value));
if (var->arrsize > 1)
{
- strncpy(mallocedval, "'{", sizeof("'{"));
-
+ strncpy(mallocedval, "'{", sizeof("'{"));
+
for (element = 0; element < var->arrsize; element++)
sprintf(mallocedval + strlen(mallocedval), "%lu,", ((unsigned long *) var->value)[element]);
-
- strncpy(mallocedval + strlen(mallocedval) - 1, "}'", sizeof("}'"));
+
+ strncpy(mallocedval + strlen(mallocedval) - 1, "}'", sizeof("}'"));
}
else
sprintf(mallocedval, "%lu", *((unsigned long *) var->value));
if (var->arrsize > 1)
{
- strncpy(mallocedval, "'{", sizeof("'{"));
-
+ strncpy(mallocedval, "'{", sizeof("'{"));
+
for (element = 0; element < var->arrsize; element++)
sprintf(mallocedval + strlen(mallocedval), "%.14g,", ((float *) var->value)[element]);
-
- strncpy(mallocedval + strlen(mallocedval) - 1, "}'", sizeof("}'"));
+
+ strncpy(mallocedval + strlen(mallocedval) - 1, "}'", sizeof("}'"));
}
else
sprintf(mallocedval, "%.14g", *((float *) var->value));
if (var->arrsize > 1)
{
- strncpy(mallocedval, "'{", sizeof("'{"));
-
+ strncpy(mallocedval, "'{", sizeof("'{"));
+
for (element = 0; element < var->arrsize; element++)
sprintf(mallocedval + strlen(mallocedval), "%.14g,", ((double *) var->value)[element]);
-
- strncpy(mallocedval + strlen(mallocedval) - 1, "}'", sizeof("}'"));
+
+ strncpy(mallocedval + strlen(mallocedval) - 1, "}'", sizeof("}'"));
}
else
sprintf(mallocedval, "%.14g", *((double *) var->value));
if (var->arrsize > 1)
{
- strncpy(mallocedval, "'{", sizeof("'{"));
-
+ strncpy(mallocedval, "'{", sizeof("'{"));
+
for (element = 0; element < var->arrsize; element++)
sprintf(mallocedval + strlen(mallocedval), "%c,", (((char *) var->value)[element]) ? 't' : 'f');
-
- strncpy(mallocedval + strlen(mallocedval) - 1, "}'", sizeof("}'"));
+
+ strncpy(mallocedval + strlen(mallocedval) - 1, "}'", sizeof("}'"));
}
else
sprintf(mallocedval, "'%c'", (*((char *) var->value)) ? 't' : 'f');
default:
/* Not implemented yet */
- ECPGraise(stmt->lineno, ECPG_UNSUPPORTED, (char *)ECPGtype_name(var->type));
+ ECPGraise(stmt->lineno, ECPG_UNSUPPORTED, (char *) ECPGtype_name(var->type));
return false;
break;
}
for (act_field = 0; act_field < nfields && status; act_field++)
{
char *array_query;
-
+
if (var == NULL)
{
ECPGlog("ECPGexecute line %d: Too few arguments.\n", stmt->lineno);
return (false);
}
- array_query = (char *)ecpg_alloc(strlen("select typelem from pg_type where oid=") + 11, stmt -> lineno);
+ array_query = (char *) ecpg_alloc(strlen("select typelem from pg_type where oid=") + 11, stmt->lineno);
sprintf(array_query, "select typelem from pg_type where oid=%d", PQftype(results, act_field));
query = PQexec(stmt->connection->connection, array_query);
isarray = 0;
- if (PQresultStatus(query) == PGRES_TUPLES_OK) {
- isarray = atol((char *)PQgetvalue(query, 0, 0));
+ if (PQresultStatus(query) == PGRES_TUPLES_OK)
+ {
+ isarray = atol((char *) PQgetvalue(query, 0, 0));
if (ECPGDynamicType(PQftype(results, act_field)) == SQL3_CHARACTER ||
- ECPGDynamicType(PQftype(results, act_field)) == SQL3_CHARACTER_VARYING)
+ ECPGDynamicType(PQftype(results, act_field)) == SQL3_CHARACTER_VARYING)
{
- /* arrays of character strings are not yet implemented */
+
+ /*
+ * arrays of character strings are not yet
+ * implemented
+ */
isarray = false;
}
ECPGlog("ECPGexecute line %d: TYPE database: %d C: %d array: %s\n", stmt->lineno, PQftype(results, act_field), var->type, isarray ? "yes" : "no");
if (!isarray)
{
+
/*
- * if we don't have enough space, we cannot read all
- * tuples
+ * if we don't have enough space, we cannot read
+ * all tuples
*/
if ((var->arrsize > 0 && ntuples > var->arrsize) || (var->ind_arrsize > 0 && ntuples > var->ind_arrsize))
{
ECPGlog("ECPGexecute line %d: Incorrect number of matches: %d don't fit into array of %d\n",
- stmt->lineno, ntuples, var->arrsize);
+ stmt->lineno, ntuples, var->arrsize);
ECPGraise(stmt->lineno, ECPG_TOO_MANY_MATCHES, NULL);
status = false;
break;
}
else
{
+
/*
* since we read an array, the variable has to be
* an array too
ECPGraise(stmt->lineno, ECPG_NO_ARRAY, NULL);
status = false;
break;
- }
+ }
}
-
+
/*
* allocate memory for NULL pointers
*/
*((void **) var->pointer) = var->value;
add_mem(var->value, stmt->lineno);
}
-
+
for (act_tuple = 0; act_tuple < ntuples && status; act_tuple++)
{
if (!get_data(results, act_tuple, act_field, stmt->lineno,
- var->type, var->ind_type, var->value,
- var->ind_value, var->varcharsize, var->offset, isarray))
- status = false;
+ var->type, var->ind_type, var->value,
+ var->ind_value, var->varcharsize, var->offset, isarray))
+ status = false;
}
var = var->next;
}
}
bool
-ECPGdo(int lineno, const char *connection_name, char *query, ...)
+ECPGdo(int lineno, const char *connection_name, char *query,...)
{
- va_list args;
- struct statement *stmt;
- struct connection *con = get_connection(connection_name);
- bool status=true;
- char *locale = setlocale(LC_NUMERIC, NULL);
+ va_list args;
+ struct statement *stmt;
+ struct connection *con = get_connection(connection_name);
+ bool status = true;
+ char *locale = setlocale(LC_NUMERIC, NULL);
/* Make sure we do NOT honor the locale for numeric input/output */
/* since the database wants teh standard decimal point */
if (!ecpg_init(con, connection_name, lineno))
{
setlocale(LC_NUMERIC, locale);
- return(false);
+ return (false);
}
va_start(args, query);
*
* Copyright (c) 2000, Christof Petig <christof.petig@wtal.de>
*
- * $Header: /cvsroot/pgsql/src/interfaces/ecpg/lib/Attic/execute.c,v 1.5 2000/04/05 15:51:25 meskes Exp $
+ * $Header: /cvsroot/pgsql/src/interfaces/ecpg/lib/Attic/execute.c,v 1.6 2000/04/12 17:17:03 momjian Exp $
*/
-PGconn *ECPG_internal_get_connection(char *name);
+PGconn *ECPG_internal_get_connection(char *name);
extern struct descriptor
{
- char *name;
- PGresult *result;
- struct descriptor *next;
-} *all_descriptors;
+ char *name;
+ PGresult *result;
+ struct descriptor *next;
+} *all_descriptors;
/* like ECPGexecute */
-static bool execute_descriptor(int lineno,const char *query
- ,struct connection *con,PGresult **resultptr)
+static bool
+execute_descriptor(int lineno, const char *query
+ ,struct connection * con, PGresult **resultptr)
{
- bool status = false;
+ bool status = false;
PGresult *results;
PGnotify *notify;
-
+
/* Now the request is built. */
if (con->committed && !con->autocommit)
ECPGraise(lineno, ECPG_PGSQL, PQerrorMessage(con->connection));
}
else
- { *resultptr=results;
+ {
+ *resultptr = results;
switch (PQresultStatus(results))
- { int ntuples;
+ {
+ int ntuples;
+
case PGRES_TUPLES_OK:
status = true;
sqlca.sqlerrd[2] = ntuples = PQntuples(results);
break;
}
break;
-#if 1 /* strictly these are not needed (yet) */
+#if 1 /* strictly these are not needed (yet) */
case PGRES_EMPTY_QUERY:
/* do nothing */
ECPGraise(lineno, ECPG_EMPTY, NULL);
}
/* like ECPGdo */
-static bool do_descriptor2(int lineno,const char *connection_name,
- PGresult **resultptr, const char *query)
+static bool
+do_descriptor2(int lineno, const char *connection_name,
+ PGresult **resultptr, const char *query)
{
struct connection *con = get_connection(connection_name);
- bool status=true;
- char *locale = setlocale(LC_NUMERIC, NULL);
+ bool status = true;
+ char *locale = setlocale(LC_NUMERIC, NULL);
/* Make sure we do NOT honor the locale for numeric input/output */
/* since the database wants teh standard decimal point */
setlocale(LC_NUMERIC, "C");
if (!ecpg_init(con, connection_name, lineno))
- { setlocale(LC_NUMERIC, locale);
- return(false);
+ {
+ setlocale(LC_NUMERIC, locale);
+ return (false);
}
/* are we connected? */
return false;
}
- status = execute_descriptor(lineno,query,con,resultptr);
+ status = execute_descriptor(lineno, query, con, resultptr);
/* and reset locale value so our application is not affected */
setlocale(LC_NUMERIC, locale);
return (status);
}
-bool ECPGdo_descriptor(int line,const char *connection,
- const char *descriptor,const char *query)
+bool
+ECPGdo_descriptor(int line, const char *connection,
+ const char *descriptor, const char *query)
{
struct descriptor *i;
- for (i=all_descriptors;i!=NULL;i=i->next)
- { if (!strcmp(descriptor,i->name))
- {
- bool status;
+
+ for (i = all_descriptors; i != NULL; i = i->next)
+ {
+ if (!strcmp(descriptor, i->name))
+ {
+ bool status;
/* free previous result */
- if (i->result) PQclear(i->result);
- i->result=NULL;
-
- status=do_descriptor2(line,connection,&i->result,query);
-
- if (!i->result) PQmakeEmptyPGresult(NULL, 0);
+ if (i->result)
+ PQclear(i->result);
+ i->result = NULL;
+
+ status = do_descriptor2(line, connection, &i->result, query);
+
+ if (!i->result)
+ PQmakeEmptyPGresult(NULL, 0);
return (status);
- }
+ }
}
-
+
ECPGraise(line, ECPG_UNKNOWN_DESCRIPTOR, (char *) descriptor);
return false;
}
/* Here are some methods used by the lib. */
/* Returns a pointer to a string containing a simple type name. */
-void free_auto_mem(void);
+void free_auto_mem(void);
bool get_data(PGresult *, int, int, int, enum ECPGttype type,
- enum ECPGttype, void *, void *, long, long, bool);
+ enum ECPGttype, void *, void *, long, long, bool);
struct connection *get_connection(const char *);
-void init_sqlca(void);
-char *ecpg_alloc(long, int);
-bool ecpg_init(const struct connection *, const char *, const int);
-char *ecpg_strdup(const char *, int);
+void init_sqlca(void);
+char *ecpg_alloc(long, int);
+bool ecpg_init(const struct connection *, const char *, const int);
+char *ecpg_strdup(const char *, int);
const char *ECPGtype_name(enum ECPGttype);
unsigned int ECPGDynamicType(Oid);
/* structure to store one statement */
struct statement
{
- int lineno;
- char *command;
- struct connection *connection;
- struct variable *inlist;
- struct variable *outlist;
+ int lineno;
+ char *command;
+ struct connection *connection;
+ struct variable *inlist;
+ struct variable *outlist;
};
/* structure to store connections */
struct connection
{
- char *name;
- PGconn *connection;
- bool committed;
- int autocommit;
- struct connection *next;
+ char *name;
+ PGconn *connection;
+ bool committed;
+ int autocommit;
+ struct connection *next;
};
-
}
bool
-ecpg_init(const struct connection *con, const char * connection_name, const int lineno)
+ecpg_init(const struct connection * con, const char *connection_name, const int lineno)
{
init_sqlca();
if (con == NULL)
ECPGraise(lineno, ECPG_NO_CONN, connection_name ? connection_name : "NULL");
return (false);
}
-
+
return (true);
}
struct connection *con = get_connection(connection_name);
if (!ecpg_init(con, connection_name, lineno))
- return(false);
+ return (false);
/* are we connected? */
if (con->connection == NULL)
struct connection *con = get_connection(connection_name);
if (!ecpg_init(con, connection_name, lineno))
- return(false);
+ return (false);
ECPGlog("ECPGtrans line %d action = %s connection = %s\n", lineno, transaction, con->name);
}
PQclear(res);
}
-
+
if (strcmp(transaction, "commit") == 0 || strcmp(transaction, "rollback") == 0)
{
con->committed = true;
/* deallocate all prepared statements */
if (!ECPGdeallocate_all(lineno))
- return false;
+ return false;
}
return true;
static struct prepared_statement
{
- char *name;
- struct statement *stmt;
- struct prepared_statement *next;
-} *prep_stmts = NULL;
+ char *name;
+ struct statement *stmt;
+ struct prepared_statement *next;
+} *prep_stmts = NULL;
static bool
isvarchar(unsigned char c)
}
}
}
-
+
/* handle the EXEC SQL PREPARE statement */
bool
ECPGprepare(int lineno, char *name, char *variable)
prev->next = this->next;
else
prep_stmts = this->next;
-
+
free(this);
return true;
}
ECPGdeallocate_all(int lineno)
{
/* deallocate all prepared statements */
- while(prep_stmts != NULL)
- {
- bool b = ECPGdeallocate(lineno, prep_stmts->name);
-
- if (!b)
+ while (prep_stmts != NULL)
+ {
+ bool b = ECPGdeallocate(lineno, prep_stmts->name);
+
+ if (!b)
return false;
- }
-
- return true;
+ }
+
+ return true;
}
/* return the prepared statement */
{
switch (typ)
{
- case ECPGt_char:
+ case ECPGt_char:
return "char";
case ECPGt_unsigned_char:
return "unsigned char";
unsigned int
ECPGDynamicType(Oid type)
{
- switch(type)
+ switch (type)
{
- case 16: return SQL3_BOOLEAN; /* bool */
- case 21: return SQL3_SMALLINT; /* int2 */
- case 23: return SQL3_INTEGER; /* int4 */
- case 25: return SQL3_CHARACTER; /* text */
- case 700: return SQL3_REAL; /* float4 */
- case 701: return SQL3_DOUBLE_PRECISION; /* float8 */
- case 1042: return SQL3_CHARACTER; /* bpchar */
- case 1043: return SQL3_CHARACTER_VARYING; /* varchar */
- case 1082: return SQL3_DATE_TIME_TIMESTAMP; /* date */
- case 1083: return SQL3_DATE_TIME_TIMESTAMP; /* time */
- case 1184: return SQL3_DATE_TIME_TIMESTAMP; /* datetime */
- case 1296: return SQL3_DATE_TIME_TIMESTAMP; /* timestamp */
- case 1700: return SQL3_NUMERIC; /* numeric */
- default: return -type;
+ case 16:return SQL3_BOOLEAN; /* bool */
+ case 21:
+ return SQL3_SMALLINT; /* int2 */
+ case 23:
+ return SQL3_INTEGER;/* int4 */
+ case 25:
+ return SQL3_CHARACTER; /* text */
+ case 700:
+ return SQL3_REAL; /* float4 */
+ case 701:
+ return SQL3_DOUBLE_PRECISION; /* float8 */
+ case 1042:
+ return SQL3_CHARACTER; /* bpchar */
+ case 1043:
+ return SQL3_CHARACTER_VARYING; /* varchar */
+ case 1082:
+ return SQL3_DATE_TIME_TIMESTAMP; /* date */
+ case 1083:
+ return SQL3_DATE_TIME_TIMESTAMP; /* time */
+ case 1184:
+ return SQL3_DATE_TIME_TIMESTAMP; /* datetime */
+ case 1296:
+ return SQL3_DATE_TIME_TIMESTAMP; /* timestamp */
+ case 1700:
+ return SQL3_NUMERIC;/* numeric */
+ default:
+ return -type;
}
}
*/
#include "postgres.h"
-#include "extern.h"
+#include "extern.h"
/*
* assignment handling function (descriptor)
*/
-
+
struct assignment *assignments;
-void push_assignment(char *var, enum ECPGdtype value)
+void
+push_assignment(char *var, enum ECPGdtype value)
{
- struct assignment *new = (struct assignment *)mm_alloc(sizeof(struct assignment));
-
+ struct assignment *new = (struct assignment *) mm_alloc(sizeof(struct assignment));
+
new->next = assignments;
new->variable = mm_alloc(strlen(var) + 1);
strcpy(new->variable, var);
}
}
-static void ECPGnumeric_lvalue(FILE *f,char *name)
+static void
+ECPGnumeric_lvalue(FILE *f, char *name)
{
- const struct variable *v=find_variable(name);
+ const struct variable *v = find_variable(name);
- switch(v->type->typ)
+ switch (v->type->typ)
{
case ECPGt_short:
- case ECPGt_int:
+ case ECPGt_int:
case ECPGt_long:
case ECPGt_unsigned_short:
case ECPGt_unsigned_int:
case ECPGt_unsigned_long:
- fputs(name,yyout);
+ fputs(name, yyout);
break;
default:
- snprintf(errortext,sizeof errortext,"variable %s: numeric type needed"
- ,name);
- mmerror(ET_ERROR,errortext);
+ snprintf(errortext, sizeof errortext, "variable %s: numeric type needed"
+ ,name);
+ mmerror(ET_ERROR, errortext);
break;
- }
+ }
}
/*
* descriptor name lookup
*/
-
+
static struct descriptor *descriptors;
-void add_descriptor(char *name,char *connection)
+void
+add_descriptor(char *name, char *connection)
{
- struct descriptor *new = (struct descriptor *)mm_alloc(sizeof(struct descriptor));
-
+ struct descriptor *new = (struct descriptor *) mm_alloc(sizeof(struct descriptor));
+
new->next = descriptors;
new->name = mm_alloc(strlen(name) + 1);
- strcpy(new->name,name);
- if (connection)
+ strcpy(new->name, name);
+ if (connection)
{
new->connection = mm_alloc(strlen(connection) + 1);
strcpy(new->connection, connection);
}
- else new->connection = connection;
+ else
+ new->connection = connection;
descriptors = new;
}
void
-drop_descriptor(char *name,char *connection)
+drop_descriptor(char *name, char *connection)
{
struct descriptor *i;
- struct descriptor **lastptr=&descriptors;
-
- for (i=descriptors;i;lastptr=&i->next,i=i->next)
+ struct descriptor **lastptr = &descriptors;
+
+ for (i = descriptors; i; lastptr = &i->next, i = i->next)
{
- if (!strcmp(name,i->name))
+ if (!strcmp(name, i->name))
{
- if ((!connection && !i->connection)
- || (connection && i->connection
- && !strcmp(connection,i->connection)))
+ if ((!connection && !i->connection)
+ || (connection && i->connection
+ && !strcmp(connection, i->connection)))
{
- *lastptr=i->next;
- if (i->connection) free(i->connection);
+ *lastptr = i->next;
+ if (i->connection)
+ free(i->connection);
free(i->name);
free(i);
return;
}
}
}
- snprintf(errortext,sizeof errortext,"unknown descriptor %s",name);
- mmerror(ET_WARN,errortext);
+ snprintf(errortext, sizeof errortext, "unknown descriptor %s", name);
+ mmerror(ET_WARN, errortext);
}
struct descriptor
-*lookup_descriptor(char *name, char *connection)
+ *
+lookup_descriptor(char *name, char *connection)
{
struct descriptor *i;
-
+
for (i = descriptors; i; i = i->next)
{
if (!strcmp(name, i->name))
{
- if ((!connection && !i->connection)
- || (connection && i->connection
- && !strcmp(connection,i->connection)))
- {
+ if ((!connection && !i->connection)
+ || (connection && i->connection
+ && !strcmp(connection, i->connection)))
return i;
- }
}
}
snprintf(errortext, sizeof errortext, "unknown descriptor %s", name);
for (results = assignments; results != NULL; results = results->next)
{
if (results->value == ECPGd_count)
- ECPGnumeric_lvalue(yyout,results->variable);
+ ECPGnumeric_lvalue(yyout, results->variable);
else
{
snprintf(errortext, sizeof errortext, "unknown descriptor header item '%d'", results->value);
mmerror(ET_WARN, errortext);
}
}
-
+
drop_assignments();
fprintf(yyout, "));\n");
whenever_action(3);
{
struct assignment *results;
- fprintf(yyout, "{ ECPGget_desc(%d,\"%s\",%s,", yylineno, desc_name, index);
+ fprintf(yyout, "{ ECPGget_desc(%d,\"%s\",%s,", yylineno, desc_name, index);
for (results = assignments; results != NULL; results = results->next)
{
const struct variable *v = find_variable(results->variable);
-
+
switch (results->value)
{
case ECPGd_nullable:
- mmerror(ET_WARN,"nullable is always 1");
+ mmerror(ET_WARN, "nullable is always 1");
break;
case ECPGd_key_member:
- mmerror(ET_WARN,"key_member is always 0");
+ mmerror(ET_WARN, "key_member is always 0");
break;
default:
- break;
+ break;
}
fprintf(yyout, "%s,", get_dtype(results->value));
ECPGdump_a_type(yyout, v->name, v->type, NULL, NULL, NULL, NULL);
}
drop_assignments();
- fputs("ECPGd_EODT);\n",yyout);
-
- whenever_action(2|1);
+ fputs("ECPGd_EODT);\n", yyout);
+
+ whenever_action(2 | 1);
}
#include "extern.h"
-int ret_value = OK, autocommit = 0;
+int ret_value = OK,
+ autocommit = 0;
struct _include_path *include_paths = NULL;
struct cursor *cur = NULL;
struct typedefs *types = NULL;
verbose = true;
break;
case 'D':
- add_preprocessor_define(optarg);
- break;
+ add_preprocessor_define(optarg);
+ break;
default:
usage(argv[0]);
return ILLEGAL_OPTION;
fprintf(stderr, "End of search list.\n");
return OK;
}
-
+
if (optind >= argc) /* no files specified */
{
usage(argv[0]);
/* take care of relative paths */
ptr2ext = strrchr(input_filename, '/');
ptr2ext = (ptr2ext ? strrchr(ptr2ext, '.') : strrchr(input_filename, '.'));
-
+
/* no extension? */
if (ptr2ext == NULL)
{
ptr2ext[4] = '\0';
}
- if (out_option == 0) /* calculate the output name */
+ if (out_option == 0)/* calculate the output name */
{
output_filename = strdup(input_filename);
for (ptr = cur; ptr != NULL;)
{
struct cursor *this = ptr;
- struct arguments *l1, *l2;
+ struct arguments *l1,
+ *l2;
free(ptr->command);
free(ptr->connection);
cur = NULL;
/* remove non-pertinent old defines as well */
- while ( defines && !defines->pertinent ) {
- defptr = defines;
- defines = defines->next;
+ while (defines && !defines->pertinent)
+ {
+ defptr = defines;
+ defines = defines->next;
- free(defptr->new);
- free(defptr->old);
- free(defptr);
+ free(defptr->new);
+ free(defptr->old);
+ free(defptr);
}
- for (defptr = defines; defptr != NULL; defptr = defptr->next )
+ for (defptr = defines; defptr != NULL; defptr = defptr->next)
{
- struct _defines *this = defptr->next;
-
- if ( this && !this->pertinent ) {
- defptr->next = this->next;
+ struct _defines *this = defptr->next;
- free(this->new);
- free(this->old);
- free(this);
- }
+ if (this && !this->pertinent)
+ {
+ defptr->next = this->next;
+
+ free(this->new);
+ free(this->old);
+ free(this);
+ }
}
/* and old typedefs */
free(this);
}
types = NULL;
-
+
/* initialize whenever structures */
memset(&when_error, 0, sizeof(struct when));
memset(&when_nf, 0, sizeof(struct when));
memset(&when_warn, 0, sizeof(struct when));
-
+
/* and structure member lists */
memset(struct_member_list, 0, sizeof(struct_member_list));
-
+
/* finally the actual connection */
connection = NULL;
-
+
/* initialize lex */
lex_init();
{"section", SQL_SECTION},
{"short", SQL_SHORT},
{"signed", SQL_SIGNED},
- {"sql",SQL_SQL}, /* strange thing, used for into sql descriptor MYDESC; */
+ {"sql", SQL_SQL}, /* strange thing, used for into sql
+ * descriptor MYDESC; */
{"sqlerror", SQL_SQLERROR},
{"sqlprint", SQL_SQLPRINT},
{"sqlwarning", SQL_SQLWARNING},
/* variables */
extern int braces_open,
- autocommit,
- ret_value,
- struct_level;
+ autocommit,
+ ret_value,
+ struct_level;
extern char *descriptor_index;
extern char *descriptor_name;
extern char *connection;
-extern char *input_filename;
-extern char *yytext, errortext[128];
-extern int yylineno, yyleng;
-extern FILE *yyin, *yyout;
+extern char *input_filename;
+extern char *yytext,
+ errortext[128];
+extern int yylineno,
+ yyleng;
+extern FILE *yyin,
+ *yyout;
extern struct _include_path *include_paths;
extern struct cursor *cur;
extern struct variable no_indicator;
extern struct arguments *argsinsert;
extern struct arguments *argsresult;
-extern struct when when_error, when_nf, when_warn;
+extern struct when when_error,
+ when_nf,
+ when_warn;
extern struct ECPGstruct_member *struct_member_list[STRUCT_DEPTH];
extern struct descriptor *descriptors;
extern void yyerror(char *);
extern void *mm_alloc(size_t), *mm_realloc(void *, size_t);
extern char *mm_strdup(const char *);
-extern void mmerror(enum errortype, char * );
+extern void mmerror(enum errortype, char *);
extern ScanKeyword *ScanECPGKeywordLookup(char *);
extern ScanKeyword *ScanCKeywordLookup(char *);
extern void output_get_descr_header(char *);
extern void output_get_descr(char *, char *);
extern void push_assignment(char *, enum ECPGdtype);
-extern struct variable * find_variable(char *);
+extern struct variable *find_variable(char *);
extern void whenever_action(int);
-extern void add_descriptor(char *,char *);
-extern void drop_descriptor(char *,char *);
-extern struct descriptor *lookup_descriptor(char *,char *);
-extern void add_variable(struct arguments ** , struct variable * , struct variable *);
-extern void append_variable(struct arguments ** , struct variable * , struct variable *);
+extern void add_descriptor(char *, char *);
+extern void drop_descriptor(char *, char *);
+extern struct descriptor *lookup_descriptor(char *, char *);
+extern void add_variable(struct arguments **, struct variable *, struct variable *);
+extern void append_variable(struct arguments **, struct variable *, struct variable *);
extern void dump_variables(struct arguments *, int);
extern struct typedefs *get_typedef(char *);
extern void adjust_array(enum ECPGttype, int *, int *, int, int, bool);
extern void check_indicator(struct ECPGtype *);
extern void remove_variables(int);
extern struct variable *new_variable(const char *, struct ECPGtype *);
-
+
/* return codes */
#define OK 0
#define PARSE_ERROR -1
#define ILLEGAL_OPTION -2
-#define INDICATOR_NOT_ARRAY -3
+#define INDICATOR_NOT_ARRAY -3
#define NO_INCLUDE_FILE ENOENT
#define OUT_OF_MEMORY ENOMEM
void
output_line_number()
{
- if (input_filename)
- fprintf(yyout, "\n#line %d \"%s\"\n", yylineno, input_filename);
+ if (input_filename)
+ fprintf(yyout, "\n#line %d \"%s\"\n", yylineno, input_filename);
}
void
output_simple_statement(char *cmd)
{
- int i, j = strlen(cmd);;
-
+ int i,
+ j = strlen(cmd);;
+
/* do this char by char as we have to filter '\"' */
- for (i = 0; i < j; i++) {
+ for (i = 0; i < j; i++)
+ {
if (cmd[i] != '"')
fputc(cmd[i], yyout);
else
fputs("\\\"", yyout);
}
output_line_number();
- free(cmd);
+ free(cmd);
}
/*
* store the whenever action here
*/
-struct when when_error, when_nf, when_warn;
+struct when when_error,
+ when_nf,
+ when_warn;
static void
-print_action(struct when *w)
+print_action(struct when * w)
{
switch (w->code)
{
- case W_SQLPRINT: fprintf(yyout, "sqlprint();");
- break;
- case W_GOTO: fprintf(yyout, "goto %s;", w->command);
- break;
- case W_DO: fprintf(yyout, "%s;", w->command);
- break;
- case W_STOP: fprintf(yyout, "exit (1);");
- break;
- case W_BREAK: fprintf(yyout, "break;");
- break;
- default: fprintf(yyout, "{/* %d not implemented yet */}", w->code);
- break;
+ case W_SQLPRINT:fprintf(yyout, "sqlprint();");
+ break;
+ case W_GOTO:
+ fprintf(yyout, "goto %s;", w->command);
+ break;
+ case W_DO:
+ fprintf(yyout, "%s;", w->command);
+ break;
+ case W_STOP:
+ fprintf(yyout, "exit (1);");
+ break;
+ case W_BREAK:
+ fprintf(yyout, "break;");
+ break;
+ default:
+ fprintf(yyout, "{/* %d not implemented yet */}", w->code);
+ break;
}
}
void
whenever_action(int mode)
{
- if ((mode&1) == 1 && when_nf.code != W_NOTHING)
+ if ((mode & 1) == 1 && when_nf.code != W_NOTHING)
{
output_line_number();
fprintf(yyout, "\nif (sqlca.sqlcode == ECPG_NOT_FOUND) ");
print_action(&when_nf);
}
if (when_warn.code != W_NOTHING)
- {
+ {
output_line_number();
- fprintf(yyout, "\nif (sqlca.sqlwarn[0] == 'W') ");
+ fprintf(yyout, "\nif (sqlca.sqlwarn[0] == 'W') ");
print_action(&when_warn);
- }
+ }
if (when_error.code != W_NOTHING)
- {
+ {
output_line_number();
- fprintf(yyout, "\nif (sqlca.sqlcode < 0) ");
+ fprintf(yyout, "\nif (sqlca.sqlcode < 0) ");
print_action(&when_error);
- }
+ }
- if ((mode&2) == 2)
+ if ((mode & 2) == 2)
fputc('}', yyout);
output_line_number();
char *
hashline_number(void)
{
- if (input_filename)
- {
- char* line = mm_alloc(strlen("\n#line %d \"%s\"\n") + 21 + strlen(input_filename));
- sprintf(line, "\n#line %d \"%s\"\n", yylineno, input_filename);
+ if (input_filename)
+ {
+ char *line = mm_alloc(strlen("\n#line %d \"%s\"\n") + 21 + strlen(input_filename));
- return line;
- }
+ sprintf(line, "\n#line %d \"%s\"\n", yylineno, input_filename);
- return EMPTY;
+ return line;
+ }
+
+ return EMPTY;
}
void
-output_statement(char * stmt, int mode, char *descriptor, char *con)
+output_statement(char *stmt, int mode, char *descriptor, char *con)
{
- int i, j = strlen(stmt);
+ int i,
+ j = strlen(stmt);
if (descriptor == NULL)
fprintf(yyout, "{ ECPGdo(__LINE__, %s, \"", con ? con : "NULL");
else
- fprintf(yyout, "{ ECPGdo_descriptor(__LINE__, %s, \"%s\", \"",
- con ? con : "NULL", descriptor);
+ fprintf(yyout, "{ ECPGdo_descriptor(__LINE__, %s, \"%s\", \"",
+ con ? con : "NULL", descriptor);
/* do this char by char as we have to filter '\"' */
- for (i = 0; i < j; i++) {
+ for (i = 0; i < j; i++)
+ {
if (stmt[i] != '"')
fputc(stmt[i], yyout);
else
if (descriptor == NULL)
{
fputs("\", ", yyout);
-
+
/* dump variables to C file */
dump_variables(argsinsert, 1);
fputs("ECPGt_EOIT, ", yyout);
}
else
fputs("\");", yyout);
-
+
mode |= 2;
whenever_action(mode);
free(stmt);
if (connection != NULL)
free(connection);
}
-
{
switch (typ)
{
- case ECPGt_char:
+ case ECPGt_char:
return ("ECPGt_char");
break;
case ECPGt_unsigned_char:
return ("ECPGt_NO_INDICATOR");
break;
case ECPGt_char_variable: /* string that should not be
- * quoted */
+ * quoted */
return ("ECPGt_char_variable");
break;
default:
{
switch (typ->typ)
{
- case ECPGt_array:
+ case ECPGt_array:
switch (typ->u.element->typ)
{
- case ECPGt_array:
+ case ECPGt_array:
yyerror("No nested arrays allowed (except strings)"); /* array of array */
break;
case ECPGt_struct:
switch (typ)
{
case ECPGt_varchar:
- /* we have to use the pointer except for arrays with given bounds */
+
+ /*
+ * we have to use the pointer except for arrays with given
+ * bounds
+ */
if (arrsize > 0)
sprintf(variable, "(%s%s)", prefix ? prefix : "", name);
else
case ECPGt_char:
case ECPGt_unsigned_char:
case ECPGt_char_variable:
- /* we have to use the pointer except for arrays with given bounds */
+
+ /*
+ * we have to use the pointer except for arrays with given
+ * bounds
+ */
if (varcharsize > 1 || arrsize > 0)
sprintf(variable, "(%s%s)", prefix ? prefix : "", name);
else
sprintf(offset, "%ld*sizeof(char)", varcharsize == 0 ? 1 : varcharsize);
break;
default:
- /* we have to use the pointer except for arrays with given bounds */
+
+ /*
+ * we have to use the pointer except for arrays with given
+ * bounds
+ */
if (arrsize > 0)
sprintf(variable, "(%s%s)", prefix ? prefix : "", name);
else
{
switch (typ->typ)
{
- case ECPGt_array:
+ case ECPGt_array:
switch (typ->u.element->typ)
{
- case ECPGt_array:
+ case ECPGt_array:
yyerror("internal error, found multi-dimensional array\n");
break;
case ECPGt_struct:
{
switch (typ)
{
- case ECPGd_count:
+ case ECPGd_count:
return ("ECPGd_countr");
break;
case ECPGd_data:
case ECPGd_ret_octet:
return ("ECPGd_ret_octet");
break;
- case ECPGd_scale:
+ case ECPGd_scale:
return ("ECPGd_scale");
break;
- case ECPGd_type:
+ case ECPGd_type:
return ("ECPGd_type");
break;
default:
{
char *old;
char *new;
- int pertinent;
+ int pertinent;
struct _defines *next;
};
struct descriptor
{
- char *name;
- char *connection;
+ char *name;
+ char *connection;
struct descriptor *next;
};
struct assignment
-{
- char *variable;
- enum ECPGdtype value;
- struct assignment *next;
+{
+ char *variable;
+ enum ECPGdtype value;
+ struct assignment *next;
};
-enum errortype {ET_WARN, ET_ERROR, ET_FATAL};
+enum errortype
+{
+ ET_WARN, ET_ERROR, ET_FATAL
+};
struct fetch_desc
{
- char *str;
- char *name;
+ char *str;
+ char *name;
};
#include "extern.h"
-struct variable * allvariables = NULL;
+struct variable *allvariables = NULL;
struct variable *
-new_variable(const char * name, struct ECPGtype * type)
+new_variable(const char *name, struct ECPGtype * type)
{
- struct variable * p = (struct variable*) mm_alloc(sizeof(struct variable));
+ struct variable *p = (struct variable *) mm_alloc(sizeof(struct variable));
- p->name = mm_strdup(name);
- p->type = type;
- p->brace_level = braces_open;
+ p->name = mm_strdup(name);
+ p->type = type;
+ p->brace_level = braces_open;
- p->next = allvariables;
- allvariables = p;
+ p->next = allvariables;
+ allvariables = p;
- return(p);
+ return (p);
}
static struct variable *
-find_struct_member(char *name, char *str, struct ECPGstruct_member *members)
+find_struct_member(char *name, char *str, struct ECPGstruct_member * members)
{
- char *next = strchr(++str, '.'), c = '\0';
+ char *next = strchr(++str, '.'),
+ c = '\0';
- if (next != NULL)
- {
- c = *next;
- *next = '\0';
- }
+ if (next != NULL)
+ {
+ c = *next;
+ *next = '\0';
+ }
- for (; members; members = members->next)
- {
- if (strcmp(members->name, str) == 0)
+ for (; members; members = members->next)
{
- if (c == '\0')
+ if (strcmp(members->name, str) == 0)
{
- /* found the end */
- switch (members->typ->typ)
+ if (c == '\0')
{
- case ECPGt_array:
- return(new_variable(name, ECPGmake_array_type(members->typ->u.element, members->typ->size)));
- case ECPGt_struct:
- case ECPGt_union:
- return(new_variable(name, ECPGmake_struct_type(members->typ->u.members, members->typ->typ)));
- default:
- return(new_variable(name, ECPGmake_simple_type(members->typ->typ, members->typ->size)));
+ /* found the end */
+ switch (members->typ->typ)
+ {
+ case ECPGt_array:
+ return (new_variable(name, ECPGmake_array_type(members->typ->u.element, members->typ->size)));
+ case ECPGt_struct:
+ case ECPGt_union:
+ return (new_variable(name, ECPGmake_struct_type(members->typ->u.members, members->typ->typ)));
+ default:
+ return (new_variable(name, ECPGmake_simple_type(members->typ->typ, members->typ->size)));
+ }
}
- }
- else
- {
- *next = c;
- if (c == '-')
+ else
{
- next++;
- return(find_struct_member(name, next, members->typ->u.element->u.members));
+ *next = c;
+ if (c == '-')
+ {
+ next++;
+ return (find_struct_member(name, next, members->typ->u.element->u.members));
+ }
+ else
+ return (find_struct_member(name, next, members->typ->u.members));
}
- else return(find_struct_member(name, next, members->typ->u.members));
}
}
- }
- return(NULL);
+ return (NULL);
}
static struct variable *
-find_struct(char * name, char *next)
+find_struct(char *name, char *next)
{
- struct variable * p;
- char c = *next;
-
- /* first get the mother structure entry */
- *next = '\0';
- p = find_variable(name);
-
- if (c == '-')
- {
- if (p->type->typ != ECPGt_struct && p->type->typ != ECPGt_union)
- {
- sprintf(errortext, "variable %s is not a pointer", name);
- mmerror(ET_FATAL, errortext);
- }
-
- if (p->type->u.element->typ != ECPGt_struct && p->type->u.element->typ != ECPGt_union)
- {
- sprintf(errortext, "variable %s is not a pointer to a structure or a union", name);
- mmerror(ET_FATAL, errortext);
- }
-
- /* restore the name, we will need it later on */
- *next = c;
- next++;
-
- return find_struct_member(name, next, p->type->u.element->u.members);
- }
- else
- {
- if (p->type->typ != ECPGt_struct && p->type->typ != ECPGt_union)
+ struct variable *p;
+ char c = *next;
+
+ /* first get the mother structure entry */
+ *next = '\0';
+ p = find_variable(name);
+
+ if (c == '-')
{
- sprintf(errortext, "variable %s is neither a structure nor a union", name);
- mmerror(ET_FATAL, errortext);
+ if (p->type->typ != ECPGt_struct && p->type->typ != ECPGt_union)
+ {
+ sprintf(errortext, "variable %s is not a pointer", name);
+ mmerror(ET_FATAL, errortext);
+ }
+
+ if (p->type->u.element->typ != ECPGt_struct && p->type->u.element->typ != ECPGt_union)
+ {
+ sprintf(errortext, "variable %s is not a pointer to a structure or a union", name);
+ mmerror(ET_FATAL, errortext);
+ }
+
+ /* restore the name, we will need it later on */
+ *next = c;
+ next++;
+
+ return find_struct_member(name, next, p->type->u.element->u.members);
}
+ else
+ {
+ if (p->type->typ != ECPGt_struct && p->type->typ != ECPGt_union)
+ {
+ sprintf(errortext, "variable %s is neither a structure nor a union", name);
+ mmerror(ET_FATAL, errortext);
+ }
- /* restore the name, we will need it later on */
- *next = c;
+ /* restore the name, we will need it later on */
+ *next = c;
- return find_struct_member(name, next, p->type->u.members);
- }
+ return find_struct_member(name, next, p->type->u.members);
+ }
}
static struct variable *
-find_simple(char * name)
+find_simple(char *name)
{
- struct variable * p;
+ struct variable *p;
- for (p = allvariables; p; p = p->next)
- {
- if (strcmp(p->name, name) == 0)
- return p;
- }
+ for (p = allvariables; p; p = p->next)
+ {
+ if (strcmp(p->name, name) == 0)
+ return p;
+ }
- return(NULL);
+ return (NULL);
}
/* Note that this function will end the program in case of an unknown */
/* variable */
struct variable *
-find_variable(char * name)
+find_variable(char *name)
{
- char * next;
- struct variable * p;
-
- if ((next = strchr(name, '.')) != NULL)
- p = find_struct(name, next);
- else if ((next = strstr(name, "->")) != NULL)
- p = find_struct(name, next);
- else
- p = find_simple(name);
-
- if (p == NULL)
- {
- sprintf(errortext, "The variable %s is not declared", name);
- mmerror(ET_FATAL, errortext);
- }
-
- return(p);
+ char *next;
+ struct variable *p;
+
+ if ((next = strchr(name, '.')) != NULL)
+ p = find_struct(name, next);
+ else if ((next = strstr(name, "->")) != NULL)
+ p = find_struct(name, next);
+ else
+ p = find_simple(name);
+
+ if (p == NULL)
+ {
+ sprintf(errortext, "The variable %s is not declared", name);
+ mmerror(ET_FATAL, errortext);
+ }
+
+ return (p);
}
void
remove_variables(int brace_level)
{
- struct variable * p, *prev;
+ struct variable *p,
+ *prev;
- for (p = prev = allvariables; p; p = p ? p->next : NULL)
- {
- if (p->brace_level >= brace_level)
+ for (p = prev = allvariables; p; p = p ? p->next : NULL)
{
- /* remove it */
- if (p == allvariables)
- prev = allvariables = p->next;
- else
- prev->next = p->next;
-
- ECPGfree_type(p->type);
- free(p->name);
- free(p);
- p = prev;
+ if (p->brace_level >= brace_level)
+ {
+ /* remove it */
+ if (p == allvariables)
+ prev = allvariables = p->next;
+ else
+ prev->next = p->next;
+
+ ECPGfree_type(p->type);
+ free(p->name);
+ free(p);
+ p = prev;
+ }
+ else
+ prev = p;
}
- else
- prev = p;
- }
}
* I will make two lists for them.
*/
-struct arguments * argsinsert = NULL;
-struct arguments * argsresult = NULL;
+struct arguments *argsinsert = NULL;
+struct arguments *argsresult = NULL;
void
reset_variables(void)
{
- argsinsert = NULL;
- argsresult = NULL;
+ argsinsert = NULL;
+ argsresult = NULL;
}
/* Insert a new variable into our request list. */
void
add_variable(struct arguments ** list, struct variable * var, struct variable * ind)
{
- struct arguments *p = (struct arguments *)mm_alloc(sizeof(struct arguments));
-
- p->variable = var;
- p->indicator = ind;
- p->next = *list;
- *list = p;
+ struct arguments *p = (struct arguments *) mm_alloc(sizeof(struct arguments));
+
+ p->variable = var;
+ p->indicator = ind;
+ p->next = *list;
+ *list = p;
}
/* Append a new variable to our request list. */
void
append_variable(struct arguments ** list, struct variable * var, struct variable * ind)
{
- struct arguments *p, *new = (struct arguments *)mm_alloc(sizeof(struct arguments));
-
- for (p = *list; p && p->next; p = p->next);
-
- new->variable = var;
- new->indicator = ind;
- new->next = NULL;
-
- if (p)
- p->next = new;
- else
- *list = new;
+ struct arguments *p,
+ *new = (struct arguments *) mm_alloc(sizeof(struct arguments));
+
+ for (p = *list; p && p->next; p = p->next);
+
+ new->variable = var;
+ new->indicator = ind;
+ new->next = NULL;
+
+ if (p)
+ p->next = new;
+ else
+ *list = new;
}
/* Dump out a list of all the variable on this list.
void
dump_variables(struct arguments * list, int mode)
{
- if (list == NULL)
- {
- return;
- }
+ if (list == NULL)
+ return;
- /* The list is build up from the beginning so lets first dump the
- end of the list:
- */
+ /*
+ * The list is build up from the beginning so lets first dump the end
+ * of the list:
+ */
- dump_variables(list->next, mode);
+ dump_variables(list->next, mode);
- /* Then the current element and its indicator */
- ECPGdump_a_type(yyout, list->variable->name, list->variable->type,
- list->indicator->name, list->indicator->type, NULL, NULL);
+ /* Then the current element and its indicator */
+ ECPGdump_a_type(yyout, list->variable->name, list->variable->type,
+ list->indicator->name, list->indicator->type, NULL, NULL);
- /* Then release the list element. */
- if (mode != 0)
- free(list);
+ /* Then release the list element. */
+ if (mode != 0)
+ free(list);
}
void
-check_indicator(struct ECPGtype *var)
+check_indicator(struct ECPGtype * var)
{
/* make sure this is a valid indicator variable */
switch (var->typ)
{
- struct ECPGstruct_member *p;
+ struct ECPGstruct_member *p;
case ECPGt_short:
case ECPGt_int:
case ECPGt_array:
check_indicator(var->u.element);
break;
- default:
+ default:
mmerror(ET_ERROR, "indicator variable must be integer type");
break;
}
mmerror(ET_FATAL, errortext);
}
- return(this);
+ return (this);
}
void
adjust_array(enum ECPGttype type_enum, int *dimension, int *length, int type_dimension, int type_index, bool pointer)
{
- if (type_index >= 0)
+ if (type_index >= 0)
{
if (*length >= 0)
- mmerror(ET_FATAL, "No multi-dimensional array support");
+ mmerror(ET_FATAL, "No multi-dimensional array support");
*length = type_index;
}
-
+
if (type_dimension >= 0)
{
if (*dimension >= 0 && *length >= 0)
switch (type_enum)
{
- case ECPGt_struct:
- case ECPGt_union:
- /* pointer has to get dimension 0 */
- if (pointer)
- {
- *length = *dimension;
- *dimension = 0;
- }
-
- if (*length >= 0)
- mmerror(ET_FATAL, "No multi-dimensional array support for structures");
-
- break;
- case ECPGt_varchar:
- /* pointer has to get dimension 0 */
- if (pointer)
- *dimension = 0;
-
- /* one index is the string length */
- if (*length < 0)
- {
- *length = *dimension;
- *dimension = -1;
- }
-
- break;
- case ECPGt_char:
- case ECPGt_unsigned_char:
- /* pointer has to get length 0 */
- if (pointer)
- *length=0;
-
- /* one index is the string length */
- if (*length < 0)
- {
- *length = (*dimension < 0) ? 1 : *dimension;
- *dimension = -1;
- }
-
- break;
- default:
- /* a pointer has dimension = 0 */
- if (pointer) {
- *length = *dimension;
- *dimension = 0;
- }
-
- if (*length >= 0)
- mmerror(ET_FATAL, "No multi-dimensional array support for simple data types");
-
- break;
+ case ECPGt_struct:
+ case ECPGt_union:
+ /* pointer has to get dimension 0 */
+ if (pointer)
+ {
+ *length = *dimension;
+ *dimension = 0;
+ }
+
+ if (*length >= 0)
+ mmerror(ET_FATAL, "No multi-dimensional array support for structures");
+
+ break;
+ case ECPGt_varchar:
+ /* pointer has to get dimension 0 */
+ if (pointer)
+ *dimension = 0;
+
+ /* one index is the string length */
+ if (*length < 0)
+ {
+ *length = *dimension;
+ *dimension = -1;
+ }
+
+ break;
+ case ECPGt_char:
+ case ECPGt_unsigned_char:
+ /* pointer has to get length 0 */
+ if (pointer)
+ *length = 0;
+
+ /* one index is the string length */
+ if (*length < 0)
+ {
+ *length = (*dimension < 0) ? 1 : *dimension;
+ *dimension = -1;
+ }
+
+ break;
+ default:
+ /* a pointer has dimension = 0 */
+ if (pointer)
+ {
+ *length = *dimension;
+ *dimension = 0;
+ }
+
+ if (*length >= 0)
+ mmerror(ET_FATAL, "No multi-dimensional array support for simple data types");
+
+ break;
}
}
exec sql include sqlca;
-void Finish(msg)
+void
+Finish(msg)
{
fprintf(stderr, "Error in statement '%s':\n", msg);
sqlprint();
-
+
/* finish transaction */
- exec sql rollback;
-
+ exec sql rollback;
+
/* and remove test table */
exec sql drop table meskes;
- exec sql commit;
+ exec sql commit;
+
+ exec sql disconnect;
- exec sql disconnect;
-
exit(-1);
}
-void warn(void)
+void
+warn(void)
{
fprintf(stderr, "Warning: At least one column was truncated\n");
}
-exec sql whenever sqlerror do Finish(msg);
-exec sql whenever sqlwarning do warn();
+exec sql whenever sqlerror
+do
+ Finish(msg);
+exec sql whenever sqlwarning
+do
+ warn();
**------------------------------------------------------------------------*/
void
-halt(char *format, ...)
+halt(char *format,...)
{
va_list arg_ptr;
char *pstr;
*/
PGresult *doquery(char *query);
-PGconn *connectdb(char *dbName,
- char *pghost,
- char *pgport,
- char *pgoptions,
- char *pgtty);
+PGconn *connectdb(char *dbName,
+ char *pghost,
+ char *pgport,
+ char *pgoptions,
+ char *pgtty);
void disconnectdb(void);
int fetch(void *param,...);
int fetchwithnulls(void *param,...);
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/interfaces/libpgtcl/Attic/pgtclCmds.c,v 1.48 2000/03/11 03:08:35 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/interfaces/libpgtcl/Attic/pgtclCmds.c,v 1.49 2000/04/12 17:17:11 momjian Exp $
*
*-------------------------------------------------------------------------
*/
*/
static int
-Pg_have_listener(Pg_ConnectionId *connid, const char *relname)
+Pg_have_listener(Pg_ConnectionId * connid, const char *relname)
{
Pg_TclNotifies *notifies;
Tcl_HashEntry *entry;
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pgtclCmds.h,v 1.16 2000/01/26 05:58:43 momjian Exp $
+ * $Id: pgtclCmds.h,v 1.17 2000/04/12 17:17:11 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* got round to deleting the Pg_TclNotifies structure.
*/
Tcl_HashTable notify_hash; /* Active pg_listen requests */
-} Pg_TclNotifies;
+} Pg_TclNotifies;
typedef struct Pg_ConnectionId_s
{
Pg_TclNotifies *notify_list;/* head of list of notify info */
int notifier_running; /* notify event source is live */
int notifier_socket;/* PQsocket on which notifier is listening */
-} Pg_ConnectionId;
+} Pg_ConnectionId;
/* Values of res_copyStatus */
#define RES_COPY_NONE 0
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/interfaces/libpgtcl/Attic/pgtclId.c,v 1.22 2000/01/26 05:58:43 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/interfaces/libpgtcl/Attic/pgtclId.c,v 1.23 2000/04/12 17:17:11 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static int
-PgEndCopy(Pg_ConnectionId *connid, int *errorCodePtr)
+PgEndCopy(Pg_ConnectionId * connid, int *errorCodePtr)
{
connid->res_copyStatus = RES_COPY_NONE;
if (PQendcopy(connid->conn))
* Get back the connection from the Id
*/
PGconn *
-PgGetConnectionId(Tcl_Interp *interp, char *id, Pg_ConnectionId **connid_p)
+PgGetConnectionId(Tcl_Interp *interp, char *id, Pg_ConnectionId ** connid_p)
{
Tcl_Channel conn_chan;
Pg_ConnectionId *connid;
}
static int
-getresid(Tcl_Interp *interp, char *id, Pg_ConnectionId **connid_p)
+getresid(Tcl_Interp *interp, char *id, Pg_ConnectionId ** connid_p)
{
Tcl_Channel conn_chan;
char *mark;
Tcl_Event header; /* Standard Tcl event info */
PGnotify info; /* Notify name from SQL server */
Pg_ConnectionId *connid; /* Connection for server */
-} NotifyEvent;
+} NotifyEvent;
/* Dispatch a NotifyEvent that has reached the front of the event queue */
*/
void
-PgNotifyTransferEvents(Pg_ConnectionId *connid)
+PgNotifyTransferEvents(Pg_ConnectionId * connid)
{
PGnotify *notify;
*/
void
-PgStartNotifyEventSource(Pg_ConnectionId *connid)
+PgStartNotifyEventSource(Pg_ConnectionId * connid)
{
/* Start the notify event source if it isn't already running */
if (!connid->notifier_running)
}
void
-PgStopNotifyEventSource(Pg_ConnectionId *connid)
+PgStopNotifyEventSource(Pg_ConnectionId * connid)
{
/* Remove the event source */
if (connid->notifier_running)
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pgtclId.h,v 1.14 2000/01/26 05:58:43 momjian Exp $
+ * $Id: pgtclId.h,v 1.15 2000/04/12 17:17:12 momjian Exp $
*
*-------------------------------------------------------------------------
*/
extern PGresult *PgGetResultId(Tcl_Interp *interp, char *id);
extern void PgDelResultId(Tcl_Interp *interp, char *id);
extern int PgGetConnByResultId(Tcl_Interp *interp, char *resid);
-extern void PgStartNotifyEventSource(Pg_ConnectionId *connid);
-extern void PgStopNotifyEventSource(Pg_ConnectionId *connid);
-extern void PgNotifyTransferEvents(Pg_ConnectionId *connid);
+extern void PgStartNotifyEventSource(Pg_ConnectionId * connid);
+extern void PgStopNotifyEventSource(Pg_ConnectionId * connid);
+extern void PgNotifyTransferEvents(Pg_ConnectionId * connid);
extern void PgNotifyInterpDelete(ClientData clientData, Tcl_Interp *interp);
/* GetFileProc is needed in Tcl 7.6 *only* ... it went away again in 8.0 */
* exceed INITIAL_EXPBUFFER_SIZE (currently 256 bytes).
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-auth.c,v 1.38 2000/03/11 03:08:36 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-auth.c,v 1.39 2000/04/12 17:17:13 momjian Exp $
*
*-------------------------------------------------------------------------
*/
{"password", STARTUP_PASSWORD_MSG, 0}
};
-static const int n_authsvcs = sizeof(authsvcs) / sizeof(struct authsvc);
+static const int n_authsvcs = sizeof(authsvcs) / sizeof(struct authsvc);
#ifdef KRB4
/*----------------------------------------------------------------
const char *password, char *PQerrormsg)
{
#if !defined(KRB4) && !defined(KRB5)
- (void)hostname; /*not used*/
+ (void) hostname; /* not used */
#endif
switch (areq)
{
- case AUTH_REQ_OK:
+ case AUTH_REQ_OK:
break;
case AUTH_REQ_KRB4:
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-connect.c,v 1.125 2000/03/24 01:39:55 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-connect.c,v 1.126 2000/04/12 17:17:14 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#endif
#ifdef WIN32
-static int inet_aton(const char *cp, struct in_addr *inp) {
+static int
+inet_aton(const char *cp, struct in_addr * inp)
+{
unsigned long a = inet_addr(cp);
+
if (a == -1)
return 0;
- inp->s_addr = a;
+ inp->s_addr = a;
return 1;
}
+
#endif
#ifdef USE_SSL
static SSL_CTX *SSL_context = NULL;
+
#endif
#define NOTIFYLIST_INITIAL_SIZE 10
*
* PQconninfoOptions[] is a constant static array that we use to initialize
* a dynamically allocated working copy. All the "val" fields in
- * PQconninfoOptions[] *must* be NULL. In a working copy, non-null "val"
+ * PQconninfoOptions[] *must* be NULL. In a working copy, non-null "val"
* fields point to malloc'd strings that should be freed when the working
* array is freed (see PQconninfoFree).
* ----------
*/
static const PQconninfoOption PQconninfoOptions[] = {
- /* "authtype" is no longer used, so mark it "don't show". We keep it
- * in the array so as not to reject conninfo strings from old apps that
- * might still try to set it.
+
+ /*
+ * "authtype" is no longer used, so mark it "don't show". We keep it
+ * in the array so as not to reject conninfo strings from old apps
+ * that might still try to set it.
*/
{"authtype", "PGAUTHTYPE", DefaultAuthtype, NULL,
"Database-Authtype", "D", 20},
"Database-Host", "", 40},
{"hostaddr", "PGHOSTADDR", NULL, NULL,
- "Database-Host-IPv4-Address", "", 15}, /* Room for abc.def.ghi.jkl */
+ "Database-Host-IPv4-Address", "", 15}, /* Room for
+ * abc.def.ghi.jkl */
{"port", "PGPORT", DEF_PGPORT, NULL,
"Database-Port", "", 6},
};
-static int connectDBStart(PGconn *conn);
-static int connectDBComplete(PGconn *conn);
+static int connectDBStart(PGconn *conn);
+static int connectDBComplete(PGconn *conn);
static bool PQsetenvStart(PGconn *conn);
static PostgresPollingStatusType PQsetenvPoll(PGconn *conn);
static PGconn *makeEmptyPGconn(void);
static void freePGconn(PGconn *conn);
static void closePGconn(PGconn *conn);
static PQconninfoOption *conninfo_parse(const char *conninfo,
- PQExpBuffer errorMessage);
+ PQExpBuffer errorMessage);
static char *conninfo_getval(PQconninfoOption *connOptions,
- const char *keyword);
+ const char *keyword);
static void defaultNoticeProcessor(void *arg, const char *message);
/* ----------------
- * Connecting to a Database
+ * Connecting to a Database
*
* There are now four different ways a user of this API can connect to the
* database. Two are not recommended for use in new code, because of their
*
* Internally, the static functions connectDBStart, connectDBComplete
* are part of the connection procedure.
- *
+ *
* ----------------
*/
PGconn *
PQconnectdb(const char *conninfo)
{
- PGconn *conn = PQconnectStart(conninfo);
+ PGconn *conn = PQconnectStart(conninfo);
if (conn && conn->status != CONNECTION_BAD)
(void) connectDBComplete(conn);
* See comment for PQconnectdb for the definition of the string format.
*
* Returns a PGconn*. If NULL is returned, a malloc error has occurred, and
- * you should not attempt to proceed with this connection. If the status
+ * you should not attempt to proceed with this connection. If the status
* field of the connection returned is CONNECTION_BAD, an error has
* occurred. In this case you should call PQfinish on the result, (perhaps
* inspecting the error message first). Other fields of the structure may not
* Allocate memory for the conn structure
* ----------
*/
-
+
conn = makeEmptyPGconn();
if (conn == NULL)
return (PGconn *) NULL;
* and their current default values.
*
* NOTE: as of PostgreSQL 7.0, the returned array is dynamically allocated
- * and should be freed when no longer needed via PQconninfoFree(). (In prior
+ * and should be freed when no longer needed via PQconninfoFree(). (In prior
* versions, the returned array was static, but that's not thread-safe.)
* Pre-7.0 applications that use this function will see a small memory leak
* until they are updated to call PQconninfoFree.
PQconninfoOption *
PQconndefaults(void)
{
- PQExpBufferData errorBuf;
+ PQExpBufferData errorBuf;
PQconninfoOption *connOptions;
initPQExpBuffer(&errorBuf);
const char *pwd)
{
PGconn *conn;
- char *tmp; /* An error message from some service we call. */
+ char *tmp; /* An error message from some service we
+ * call. */
bool error = FALSE; /* We encountered an error. */
conn = makeEmptyPGconn();
conn->dbName = strdup(dbName);
if (error)
- {
conn->status = CONNECTION_BAD;
- }
else
{
if (connectDBStart(conn))
(void) connectDBComplete(conn);
}
-
+
return conn;
}
#ifndef WIN32
if (fcntl(conn->sock, F_SETFL, O_NONBLOCK) < 0)
#else
- int on = 1;
+ int on = 1;
+
if (ioctlsocket(conn->sock, FIONBIO, &on) != 0)
#endif
{
printfPQExpBuffer(&conn->errorMessage,
- "connectMakeNonblocking -- fcntl() failed: errno=%d\n%s\n",
+ "connectMakeNonblocking -- fcntl() failed: errno=%d\n%s\n",
errno, strerror(errno));
return 0;
}
sizeof(on)) < 0)
{
printfPQExpBuffer(&conn->errorMessage,
- "connectNoDelay() -- setsockopt failed: errno=%d\n%s\n",
+ "connectNoDelay() -- setsockopt failed: errno=%d\n%s\n",
errno, strerror(errno));
#ifdef WIN32
printf("Winsock error: %i\n", WSAGetLastError());
{
int portno,
family;
+
#ifdef USE_SSL
- StartupPacket np; /* Used to negotiate SSL connection */
- char SSLok;
+ StartupPacket np; /* Used to negotiate SSL connection */
+ char SSLok;
+
#endif
if (!conn)
return 0;
+
/*
* parse dbName to get all additional info in it, if any
*/
conn->outCount = 0;
/*
- * Set up the connection to postmaster/backend.
- * Note that this supports IPv4 and UDP only.
+ * Set up the connection to postmaster/backend. Note that this
+ * supports IPv4 and UDP only.
*/
MemSet((char *) &conn->raddr, 0, sizeof(conn->raddr));
/* Note that this supports IPv4 only */
struct in_addr addr;
- if(!inet_aton(conn->pghostaddr, &addr))
+ if (!inet_aton(conn->pghostaddr, &addr))
{
printfPQExpBuffer(&conn->errorMessage,
"connectDBStart() -- "
- "invalid host address: %s\n", conn->pghostaddr);
+ "invalid host address: %s\n", conn->pghostaddr);
goto connect_errReturn;
}
if ((hp == NULL) || (hp->h_addrtype != AF_INET))
{
printfPQExpBuffer(&conn->errorMessage,
- "connectDBStart() -- unknown hostname: %s\n",
+ "connectDBStart() -- unknown hostname: %s\n",
conn->pghost);
goto connect_errReturn;
}
conn->raddr_len = sizeof(struct sockaddr_in);
}
#if !defined(WIN32) && !defined(__CYGWIN32__)
- else
- conn->raddr_len = UNIXSOCK_PATH(conn->raddr.un, portno);
+ else
+ conn->raddr_len = UNIXSOCK_PATH(conn->raddr.un, portno);
#endif
* WIN32_NON_BLOCKING_CONNECTIONS before compilation. If it works, then
* this code can be cleaned up.
*
- * Ewan Mellor <eem21@cam.ac.uk>.
+ * Ewan Mellor <eem21@cam.ac.uk>.
* ---------- */
#if (!defined(WIN32) || defined(WIN32_NON_BLOCKING_CONNECTIONS)) && !defined(USE_SSL)
if (connectMakeNonblocking(conn) == 0)
goto connect_errReturn;
-#endif
+#endif
#ifdef USE_SSL
- /* This needs to be done before we set into nonblocking, since SSL
- * negotiation does not like that mode */
+
+ /*
+ * This needs to be done before we set into nonblocking, since SSL
+ * negotiation does not like that mode
+ */
/* Attempt to negotiate SSL usage */
- if (conn->allow_ssl_try) {
- memset((char *)&np, 0, sizeof(np));
- np.protoVersion = htonl(NEGOTIATE_SSL_CODE);
- if (pqPacketSend(conn, (char *) &np, sizeof(StartupPacket)) != STATUS_OK)
- {
- sprintf(conn->errorMessage,
- "connectDB() -- couldn't send SSL negotiation packet: errno=%d\n%s\n",
- errno, strerror(errno));
- goto connect_errReturn;
- }
- /* Now receive the postmasters response */
- if (recv(conn->sock, &SSLok, 1, 0) != 1) {
- sprintf(conn->errorMessage, "PQconnectDB() -- couldn't read postmaster response: errno=%d\n%s\n",
- errno, strerror(errno));
- goto connect_errReturn;
- }
- if (SSLok == 'S') {
- if (!SSL_context)
- {
- SSL_load_error_strings();
- SSL_library_init();
- SSL_context = SSL_CTX_new(SSLv23_method());
- if (!SSL_context) {
- sprintf(conn->errorMessage,
- "connectDB() -- couldn't create SSL context: %s\n",
- ERR_reason_error_string(ERR_get_error()));
- goto connect_errReturn;
+ if (conn->allow_ssl_try)
+ {
+ memset((char *) &np, 0, sizeof(np));
+ np.protoVersion = htonl(NEGOTIATE_SSL_CODE);
+ if (pqPacketSend(conn, (char *) &np, sizeof(StartupPacket)) != STATUS_OK)
+ {
+ sprintf(conn->errorMessage,
+ "connectDB() -- couldn't send SSL negotiation packet: errno=%d\n%s\n",
+ errno, strerror(errno));
+ goto connect_errReturn;
+ }
+ /* Now receive the postmasters response */
+ if (recv(conn->sock, &SSLok, 1, 0) != 1)
+ {
+ sprintf(conn->errorMessage, "PQconnectDB() -- couldn't read postmaster response: errno=%d\n%s\n",
+ errno, strerror(errno));
+ goto connect_errReturn;
+ }
+ if (SSLok == 'S')
+ {
+ if (!SSL_context)
+ {
+ SSL_load_error_strings();
+ SSL_library_init();
+ SSL_context = SSL_CTX_new(SSLv23_method());
+ if (!SSL_context)
+ {
+ sprintf(conn->errorMessage,
+ "connectDB() -- couldn't create SSL context: %s\n",
+ ERR_reason_error_string(ERR_get_error()));
+ goto connect_errReturn;
+ }
+ }
+ if (!(conn->ssl = SSL_new(SSL_context)) ||
+ !SSL_set_fd(conn->ssl, conn->sock) ||
+ SSL_connect(conn->ssl) <= 0)
+ {
+ sprintf(conn->errorMessage,
+ "connectDB() -- couldn't establish SSL connection: %s\n",
+ ERR_reason_error_string(ERR_get_error()));
+ goto connect_errReturn;
+ }
+ /* SSL connection finished. Continue to send startup packet */
+ }
+ else if (SSLok == 'E')
+ {
+ /* Received error - probably protocol mismatch */
+ if (conn->Pfdebug)
+ fprintf(conn->Pfdebug, "Postmaster reports error, attempting fallback to pre-6.6.\n");
+ close(conn->sock);
+ conn->allow_ssl_try = FALSE;
+ return connectDBStart(conn);
+ }
+ else if (SSLok != 'N')
+ {
+ strcpy(conn->errorMessage,
+ "Received invalid negotiation response.\n");
+ goto connect_errReturn;
}
- }
- if (!(conn->ssl = SSL_new(SSL_context)) ||
- !SSL_set_fd(conn->ssl, conn->sock) ||
- SSL_connect(conn->ssl) <= 0)
- {
- sprintf(conn->errorMessage,
- "connectDB() -- couldn't establish SSL connection: %s\n",
- ERR_reason_error_string(ERR_get_error()));
- goto connect_errReturn;
- }
- /* SSL connection finished. Continue to send startup packet */
- }
- else if (SSLok == 'E') {
- /* Received error - probably protocol mismatch */
- if (conn->Pfdebug)
- fprintf(conn->Pfdebug, "Postmaster reports error, attempting fallback to pre-6.6.\n");
- close(conn->sock);
- conn->allow_ssl_try = FALSE;
- return connectDBStart(conn);
- }
- else if (SSLok != 'N') {
- strcpy(conn->errorMessage,
- "Received invalid negotiation response.\n");
- goto connect_errReturn;
- }
}
#endif
/* ----------
- * Start / make connection. We are hopefully in non-blocking mode
+ * Start / make connection. We are hopefully in non-blocking mode
* now, but it is possible that:
- * 1. Older systems will still block on connect, despite the
- * non-blocking flag. (Anyone know if this is true?)
- * 2. We are running under Windows, and aren't even trying
- * to be non-blocking (see above).
- * 3. We are using SSL.
+ * 1. Older systems will still block on connect, despite the
+ * non-blocking flag. (Anyone know if this is true?)
+ * 2. We are running under Windows, and aren't even trying
+ * to be non-blocking (see above).
+ * 3. We are using SSL.
* Thus, we have make arrangements for all eventualities.
* ----------
*/
if (WSAGetLastError() == WSAEINPROGRESS)
#endif
{
- /* This is fine - we're in non-blocking mode, and the
- * connection is in progress. */
+
+ /*
+ * This is fine - we're in non-blocking mode, and the
+ * connection is in progress.
+ */
conn->status = CONNECTION_STARTED;
}
else
conn->status = CONNECTION_MADE;
}
- /* This makes the connection non-blocking, for all those cases which forced us
- not to do it above. */
+ /*
+ * This makes the connection non-blocking, for all those cases which
+ * forced us not to do it above.
+ */
#if (defined(WIN32) && !defined(WIN32_NON_BLOCKING_CONNECTIONS)) || defined(USE_SSL)
if (connectMakeNonblocking(conn) == 0)
goto connect_errReturn;
-#endif
+#endif
return 1;
if (conn == NULL || conn->status == CONNECTION_BAD)
return 0;
- for (;;) {
+ for (;;)
+ {
+
/*
- * Wait, if necessary. Note that the initial state (just after
- * PQconnectStart) is to wait for the socket to select for writing.
+ * Wait, if necessary. Note that the initial state (just after
+ * PQconnectStart) is to wait for the socket to select for
+ * writing.
*/
switch (flag)
{
case PGRES_POLLING_OK:
return 1; /* success! */
-
+
case PGRES_POLLING_READING:
if (pqWait(1, 0, conn))
{
conn->status = CONNECTION_BAD;
return 0;
}
+
/*
* Now try to advance the state machine.
*/
*
* Returns a PostgresPollingStatusType.
* Before calling this function, use select(2) to determine when data arrive.
- *
+ *
* You must call PQfinish whether or not this fails.
*
* This function and PQconnectStart are intended to allow connections to be
* made without blocking the execution of your program on remote I/O. However,
* there are a number of caveats:
*
- * o If you call PQtrace, ensure that the stream object into which you trace
- * will not block.
- * o If you do not supply an IP address for the remote host (i.e. you
- * supply a host name instead) then this function will block on
- * gethostbyname. You will be fine if using Unix sockets (i.e. by
- * supplying neither a host name nor a host address).
- * o If your backend wants to use Kerberos authentication then you must
- * supply both a host name and a host address, otherwise this function
- * may block on gethostname.
- * o This function will block if compiled with USE_SSL.
+ * o If you call PQtrace, ensure that the stream object into which you trace
+ * will not block.
+ * o If you do not supply an IP address for the remote host (i.e. you
+ * supply a host name instead) then this function will block on
+ * gethostbyname. You will be fine if using Unix sockets (i.e. by
+ * supplying neither a host name nor a host address).
+ * o If your backend wants to use Kerberos authentication then you must
+ * supply both a host name and a host address, otherwise this function
+ * may block on gethostname.
+ * o This function will block if compiled with USE_SSL.
*
* ----------------
*/
/* Get the new data */
switch (conn->status)
{
- /* We really shouldn't have been polled in these two cases, but
- we can handle it. */
+
+ /*
+ * We really shouldn't have been polled in these two cases,
+ * but we can handle it.
+ */
case CONNECTION_BAD:
return PGRES_POLLING_FAILED;
case CONNECTION_OK:
return PGRES_POLLING_OK;
- /* These are reading states */
+ /* These are reading states */
case CONNECTION_AWAITING_RESPONSE:
case CONNECTION_AUTH_OK:
- {
- /* Load waiting data */
- int n = pqReadData(conn);
-
- if (n < 0)
- goto error_return;
- if (n == 0)
- return PGRES_POLLING_READING;
+ {
+ /* Load waiting data */
+ int n = pqReadData(conn);
- break;
- }
+ if (n < 0)
+ goto error_return;
+ if (n == 0)
+ return PGRES_POLLING_READING;
+
+ break;
+ }
- /* These are writing states, so we just proceed. */
+ /* These are writing states, so we just proceed. */
case CONNECTION_STARTED:
case CONNECTION_MADE:
- break;
+ break;
case CONNECTION_SETENV:
/* We allow PQsetenvPoll to decide whether to proceed */
default:
printfPQExpBuffer(&conn->errorMessage,
- "PQconnectPoll() -- unknown connection state - "
- "probably indicative of memory corruption!\n");
+ "PQconnectPoll() -- unknown connection state - "
+ "probably indicative of memory corruption!\n");
goto error_return;
}
- keep_going: /* We will come back to here until there is nothing left to
- parse. */
- switch(conn->status)
+keep_going: /* We will come back to here until there
+ * is nothing left to parse. */
+ switch (conn->status)
{
case CONNECTION_STARTED:
- {
- SOCKET_SIZE_TYPE laddrlen;
+ {
+ SOCKET_SIZE_TYPE laddrlen;
+
#ifndef WIN32
- int optval;
+ int optval;
+
#else
- char optval;
-#endif
- SOCKET_SIZE_TYPE optlen = sizeof(optval);
+ char optval;
- /* Write ready, since we've made it here, so the connection
- * has been made. */
+#endif
+ SOCKET_SIZE_TYPE optlen = sizeof(optval);
- /* Now check (using getsockopt) that there is not an error
- state waiting for us on the socket. */
+ /*
+ * Write ready, since we've made it here, so the
+ * connection has been made.
+ */
- if (getsockopt(conn->sock, SOL_SOCKET, SO_ERROR,
- &optval, &optlen) == -1)
- {
- printfPQExpBuffer(&conn->errorMessage,
- "PQconnectPoll() -- getsockopt() failed: "
- "errno=%d\n%s\n",
- errno, strerror(errno));
- goto error_return;
- }
- else if (optval != 0)
- {
/*
- * When using a nonblocking connect, we will typically see
- * connect failures at this point, so provide a friendly
- * error message.
+ * Now check (using getsockopt) that there is not an error
+ * state waiting for us on the socket.
*/
- printfPQExpBuffer(&conn->errorMessage,
- "PQconnectPoll() -- connect() failed: %s\n"
- "\tIs the postmaster running%s at '%s'\n"
- "\tand accepting connections on %s '%s'?\n",
- strerror(optval),
- (conn->raddr.sa.sa_family == AF_INET) ? " (with -i)" : "",
- conn->pghost ? conn->pghost : "localhost",
+
+ if (getsockopt(conn->sock, SOL_SOCKET, SO_ERROR,
+ &optval, &optlen) == -1)
+ {
+ printfPQExpBuffer(&conn->errorMessage,
+ "PQconnectPoll() -- getsockopt() failed: "
+ "errno=%d\n%s\n",
+ errno, strerror(errno));
+ goto error_return;
+ }
+ else if (optval != 0)
+ {
+
+ /*
+ * When using a nonblocking connect, we will typically
+ * see connect failures at this point, so provide a
+ * friendly error message.
+ */
+ printfPQExpBuffer(&conn->errorMessage,
+ "PQconnectPoll() -- connect() failed: %s\n"
+ "\tIs the postmaster running%s at '%s'\n"
+ "\tand accepting connections on %s '%s'?\n",
+ strerror(optval),
+ (conn->raddr.sa.sa_family == AF_INET) ? " (with -i)" : "",
+ conn->pghost ? conn->pghost : "localhost",
(conn->raddr.sa.sa_family == AF_INET) ?
- "TCP/IP port" : "Unix socket",
- conn->pgport);
- goto error_return;
+ "TCP/IP port" : "Unix socket",
+ conn->pgport);
+ goto error_return;
+ }
+
+ /* Fill in the client address */
+ laddrlen = sizeof(conn->laddr);
+ if (getsockname(conn->sock, &conn->laddr.sa, &laddrlen) < 0)
+ {
+ printfPQExpBuffer(&conn->errorMessage,
+ "PQconnectPoll() -- getsockname() failed: "
+ "errno=%d\n%s\n",
+ errno, strerror(errno));
+ goto error_return;
+ }
+
+ conn->status = CONNECTION_MADE;
+ return PGRES_POLLING_WRITING;
}
- /* Fill in the client address */
- laddrlen = sizeof(conn->laddr);
- if (getsockname(conn->sock, &conn->laddr.sa, &laddrlen) < 0)
+ case CONNECTION_MADE:
{
- printfPQExpBuffer(&conn->errorMessage,
- "PQconnectPoll() -- getsockname() failed: "
- "errno=%d\n%s\n",
- errno, strerror(errno));
- goto error_return;
- }
+ StartupPacket sp;
- conn->status = CONNECTION_MADE;
- return PGRES_POLLING_WRITING;
- }
+ /*
+ * Initialize the startup packet.
+ */
- case CONNECTION_MADE:
- {
- StartupPacket sp;
-
- /*
- * Initialize the startup packet.
- */
+ MemSet((char *) &sp, 0, sizeof(StartupPacket));
- MemSet((char *) &sp, 0, sizeof(StartupPacket));
-
- sp.protoVersion = (ProtocolVersion) htonl(PG_PROTOCOL_LIBPQ);
-
- strncpy(sp.user, conn->pguser, SM_USER);
- strncpy(sp.database, conn->dbName, SM_DATABASE);
- strncpy(sp.tty, conn->pgtty, SM_TTY);
-
- if (conn->pgoptions)
- strncpy(sp.options, conn->pgoptions, SM_OPTIONS);
-
- /* Send the startup packet.
- *
- * Theoretically, this could block, but it really shouldn't
- * since we only got here if the socket is write-ready.
- */
+ sp.protoVersion = (ProtocolVersion) htonl(PG_PROTOCOL_LIBPQ);
- if (pqPacketSend(conn, (char *) &sp,
- sizeof(StartupPacket)) != STATUS_OK)
- {
- printfPQExpBuffer(&conn->errorMessage,
- "PQconnectPoll() -- "
- "couldn't send startup packet: "
- "errno=%d\n%s\n",
- errno, strerror(errno));
- goto error_return;
- }
+ strncpy(sp.user, conn->pguser, SM_USER);
+ strncpy(sp.database, conn->dbName, SM_DATABASE);
+ strncpy(sp.tty, conn->pgtty, SM_TTY);
- conn->status = CONNECTION_AWAITING_RESPONSE;
- return PGRES_POLLING_READING;
- }
+ if (conn->pgoptions)
+ strncpy(sp.options, conn->pgoptions, SM_OPTIONS);
- /*
- * Handle the authentication exchange: wait for postmaster messages
- * and respond as necessary.
- */
- case CONNECTION_AWAITING_RESPONSE:
- {
- char beresp;
- AuthRequest areq;
+ /*
+ * Send the startup packet.
+ *
+ * Theoretically, this could block, but it really shouldn't
+ * since we only got here if the socket is write-ready.
+ */
- /* Scan the message from current point (note that if we find
- * the message is incomplete, we will return without advancing
- * inStart, and resume here next time).
- */
- conn->inCursor = conn->inStart;
+ if (pqPacketSend(conn, (char *) &sp,
+ sizeof(StartupPacket)) != STATUS_OK)
+ {
+ printfPQExpBuffer(&conn->errorMessage,
+ "PQconnectPoll() -- "
+ "couldn't send startup packet: "
+ "errno=%d\n%s\n",
+ errno, strerror(errno));
+ goto error_return;
+ }
- if (pqGetc(&beresp, conn))
- {
- /* We'll come back when there are more data */
+ conn->status = CONNECTION_AWAITING_RESPONSE;
return PGRES_POLLING_READING;
}
- /* Handle errors. */
- if (beresp == 'E')
+ /*
+ * Handle the authentication exchange: wait for postmaster
+ * messages and respond as necessary.
+ */
+ case CONNECTION_AWAITING_RESPONSE:
{
- if (pqGets(&conn->errorMessage, conn))
+ char beresp;
+ AuthRequest areq;
+
+ /*
+ * Scan the message from current point (note that if we
+ * find the message is incomplete, we will return without
+ * advancing inStart, and resume here next time).
+ */
+ conn->inCursor = conn->inStart;
+
+ if (pqGetc(&beresp, conn))
{
/* We'll come back when there are more data */
return PGRES_POLLING_READING;
}
- /* OK, we read the message; mark data consumed */
- conn->inStart = conn->inCursor;
- /* The postmaster typically won't end its message with a
- * newline, so add one to conform to libpq conventions.
- */
- appendPQExpBufferChar(&conn->errorMessage, '\n');
- goto error_return;
- }
- /* Otherwise it should be an authentication request. */
- if (beresp != 'R')
- {
- printfPQExpBuffer(&conn->errorMessage,
- "PQconnectPoll() -- expected "
- "authentication request\n");
- goto error_return;
- }
+ /* Handle errors. */
+ if (beresp == 'E')
+ {
+ if (pqGets(&conn->errorMessage, conn))
+ {
+ /* We'll come back when there are more data */
+ return PGRES_POLLING_READING;
+ }
+ /* OK, we read the message; mark data consumed */
+ conn->inStart = conn->inCursor;
+
+ /*
+ * The postmaster typically won't end its message with
+ * a newline, so add one to conform to libpq
+ * conventions.
+ */
+ appendPQExpBufferChar(&conn->errorMessage, '\n');
+ goto error_return;
+ }
- /* Get the type of request. */
- if (pqGetInt((int *) &areq, 4, conn))
- {
- /* We'll come back when there are more data */
- return PGRES_POLLING_READING;
- }
+ /* Otherwise it should be an authentication request. */
+ if (beresp != 'R')
+ {
+ printfPQExpBuffer(&conn->errorMessage,
+ "PQconnectPoll() -- expected "
+ "authentication request\n");
+ goto error_return;
+ }
- /* Get the password salt if there is one. */
- if (areq == AUTH_REQ_CRYPT)
- {
- if (pqGetnchar(conn->salt, sizeof(conn->salt), conn))
+ /* Get the type of request. */
+ if (pqGetInt((int *) &areq, 4, conn))
{
/* We'll come back when there are more data */
return PGRES_POLLING_READING;
}
- }
- /* OK, we successfully read the message; mark data consumed */
- conn->inStart = conn->inCursor;
+ /* Get the password salt if there is one. */
+ if (areq == AUTH_REQ_CRYPT)
+ {
+ if (pqGetnchar(conn->salt, sizeof(conn->salt), conn))
+ {
+ /* We'll come back when there are more data */
+ return PGRES_POLLING_READING;
+ }
+ }
+
+ /*
+ * OK, we successfully read the message; mark data
+ * consumed
+ */
+ conn->inStart = conn->inCursor;
- /* Respond to the request if necessary. */
- /* Note that conn->pghost must be non-NULL if we are going to
- * avoid the Kerberos code doing a hostname look-up. */
- /* XXX fe-auth.c has not been fixed to support PQExpBuffers, so: */
- if (fe_sendauth(areq, conn, conn->pghost, conn->pgpass,
- conn->errorMessage.data) != STATUS_OK)
- {
+ /* Respond to the request if necessary. */
+
+ /*
+ * Note that conn->pghost must be non-NULL if we are going
+ * to avoid the Kerberos code doing a hostname look-up.
+ */
+
+ /*
+ * XXX fe-auth.c has not been fixed to support
+ * PQExpBuffers, so:
+ */
+ if (fe_sendauth(areq, conn, conn->pghost, conn->pgpass,
+ conn->errorMessage.data) != STATUS_OK)
+ {
+ conn->errorMessage.len = strlen(conn->errorMessage.data);
+ goto error_return;
+ }
conn->errorMessage.len = strlen(conn->errorMessage.data);
- goto error_return;
- }
- conn->errorMessage.len = strlen(conn->errorMessage.data);
- /* Just make sure that any data sent by fe_sendauth is flushed
- * out. Although this theoretically could block, it really
- * shouldn't since we don't send large auth responses.
- */
- if (pqFlush(conn))
- goto error_return;
+ /*
+ * Just make sure that any data sent by fe_sendauth is
+ * flushed out. Although this theoretically could block,
+ * it really shouldn't since we don't send large auth
+ * responses.
+ */
+ if (pqFlush(conn))
+ goto error_return;
- if (areq == AUTH_REQ_OK)
- {
- /* We are done with authentication exchange */
- conn->status = CONNECTION_AUTH_OK;
- /* Set asyncStatus so that PQsetResult will think that what
- * comes back next is the result of a query. See below. */
- conn->asyncStatus = PGASYNC_BUSY;
- }
+ if (areq == AUTH_REQ_OK)
+ {
+ /* We are done with authentication exchange */
+ conn->status = CONNECTION_AUTH_OK;
+
+ /*
+ * Set asyncStatus so that PQsetResult will think that
+ * what comes back next is the result of a query. See
+ * below.
+ */
+ conn->asyncStatus = PGASYNC_BUSY;
+ }
- /* Look to see if we have more data yet. */
- goto keep_going;
- }
+ /* Look to see if we have more data yet. */
+ goto keep_going;
+ }
case CONNECTION_AUTH_OK:
- {
- /* ----------
- * Now we expect to hear from the backend. A ReadyForQuery
- * message indicates that startup is successful, but we might
- * also get an Error message indicating failure. (Notice
- * messages indicating nonfatal warnings are also allowed by
- * the protocol, as is a BackendKeyData message.) Easiest way
- * to handle this is to let PQgetResult() read the messages. We
- * just have to fake it out about the state of the connection,
- * by setting asyncStatus = PGASYNC_BUSY (done above).
- *----------
- */
-
- if (PQisBusy(conn))
- return PGRES_POLLING_READING;
-
- res = PQgetResult(conn);
- /* NULL return indicating we have gone to
- IDLE state is expected */
- if (res)
{
- if (res->resultStatus != PGRES_FATAL_ERROR)
- printfPQExpBuffer(&conn->errorMessage,
- "PQconnectPoll() -- unexpected message "
- "during startup\n");
- /* if the resultStatus is FATAL, then conn->errorMessage
- * already has a copy of the error; needn't copy it back.
- * But add a newline if it's not there already, since
- * postmaster error messages may not have one.
+ /* ----------
+ * Now we expect to hear from the backend. A ReadyForQuery
+ * message indicates that startup is successful, but we might
+ * also get an Error message indicating failure. (Notice
+ * messages indicating nonfatal warnings are also allowed by
+ * the protocol, as is a BackendKeyData message.) Easiest way
+ * to handle this is to let PQgetResult() read the messages. We
+ * just have to fake it out about the state of the connection,
+ * by setting asyncStatus = PGASYNC_BUSY (done above).
+ *----------
*/
- if (conn->errorMessage.len <= 0 ||
- conn->errorMessage.data[conn->errorMessage.len-1] != '\n')
- appendPQExpBufferChar(&conn->errorMessage, '\n');
- PQclear(res);
- goto error_return;
- }
- /*
- * Post-connection housekeeping. Prepare to send environment
- * variables to server.
- */
- if (! PQsetenvStart(conn))
- goto error_return;
+ if (PQisBusy(conn))
+ return PGRES_POLLING_READING;
- conn->status = CONNECTION_SETENV;
+ res = PQgetResult(conn);
- goto keep_going;
- }
+ /*
+ * NULL return indicating we have gone to IDLE state is
+ * expected
+ */
+ if (res)
+ {
+ if (res->resultStatus != PGRES_FATAL_ERROR)
+ printfPQExpBuffer(&conn->errorMessage,
+ "PQconnectPoll() -- unexpected message "
+ "during startup\n");
+
+ /*
+ * if the resultStatus is FATAL, then
+ * conn->errorMessage already has a copy of the error;
+ * needn't copy it back. But add a newline if it's not
+ * there already, since postmaster error messages may
+ * not have one.
+ */
+ if (conn->errorMessage.len <= 0 ||
+ conn->errorMessage.data[conn->errorMessage.len - 1] != '\n')
+ appendPQExpBufferChar(&conn->errorMessage, '\n');
+ PQclear(res);
+ goto error_return;
+ }
+
+ /*
+ * Post-connection housekeeping. Prepare to send
+ * environment variables to server.
+ */
+ if (!PQsetenvStart(conn))
+ goto error_return;
+
+ conn->status = CONNECTION_SETENV;
+
+ goto keep_going;
+ }
case CONNECTION_SETENV:
- /* We pretend that the connection is OK for the duration of
- these queries. */
+
+ /*
+ * We pretend that the connection is OK for the duration of
+ * these queries.
+ */
conn->status = CONNECTION_OK;
switch (PQsetenvPoll(conn))
{
- case PGRES_POLLING_OK: /* Success */
+ case PGRES_POLLING_OK: /* Success */
conn->status = CONNECTION_OK;
return PGRES_POLLING_OK;
- case PGRES_POLLING_READING: /* Still going */
+ case PGRES_POLLING_READING: /* Still going */
conn->status = CONNECTION_SETENV;
return PGRES_POLLING_READING;
- case PGRES_POLLING_WRITING: /* Still going */
+ case PGRES_POLLING_WRITING: /* Still going */
conn->status = CONNECTION_SETENV;
return PGRES_POLLING_WRITING;
default:
printfPQExpBuffer(&conn->errorMessage,
- "PQconnectPoll() -- unknown connection state - "
- "probably indicative of memory corruption!\n");
+ "PQconnectPoll() -- unknown connection state - "
+ "probably indicative of memory corruption!\n");
goto error_return;
}
#else
conn->setenv_state = SETENV_STATE_OPTION_SEND;
#endif
-
+
conn->next_eo = EnvironmentOptions;
return true;
PQsetenvPoll(PGconn *conn)
{
PGresult *res;
+
#ifdef MULTIBYTE
static const char envname[] = "PGCLIENTENCODING";
+
#endif
if (conn == NULL || conn->status == CONNECTION_BAD)
/* Check whether there are any data for us */
switch (conn->setenv_state)
{
- /* These are reading states */
+ /* These are reading states */
#ifdef MULTIBYTE
case SETENV_STATE_ENCODINGS_WAIT:
#endif
case SETENV_STATE_OPTION_WAIT:
- {
- /* Load waiting data */
- int n = pqReadData(conn);
-
- if (n < 0)
- goto error_return;
- if (n == 0)
- return PGRES_POLLING_READING;
+ {
+ /* Load waiting data */
+ int n = pqReadData(conn);
- break;
- }
+ if (n < 0)
+ goto error_return;
+ if (n == 0)
+ return PGRES_POLLING_READING;
- /* These are writing states, so we just proceed. */
+ break;
+ }
+
+ /* These are writing states, so we just proceed. */
#ifdef MULTIBYTE
case SETENV_STATE_ENCODINGS_SEND:
#endif
case SETENV_STATE_OPTION_SEND:
break;
- /* Should we raise an error if called when not active? */
+ /* Should we raise an error if called when not active? */
case SETENV_STATE_IDLE:
return PGRES_POLLING_OK;
default:
printfPQExpBuffer(&conn->errorMessage,
"PQsetenvPoll() -- unknown state - "
- "probably indicative of memory corruption!\n");
+ "probably indicative of memory corruption!\n");
goto error_return;
}
- keep_going: /* We will come back to here until there is nothing left to
- parse. */
- switch(conn->setenv_state)
+keep_going: /* We will come back to here until there
+ * is nothing left to parse. */
+ switch (conn->setenv_state)
{
#ifdef MULTIBYTE
case SETENV_STATE_ENCODINGS_SEND:
- {
- const char *env;
-
- /* query server encoding */
- env = getenv(envname);
- if (!env || *env == '\0')
{
- if (!PQsendQuery(conn,
- "select getdatabaseencoding()"))
- goto error_return;
+ const char *env;
- conn->setenv_state = SETENV_STATE_ENCODINGS_WAIT;
- return PGRES_POLLING_READING;
+ /* query server encoding */
+ env = getenv(envname);
+ if (!env || *env == '\0')
+ {
+ if (!PQsendQuery(conn,
+ "select getdatabaseencoding()"))
+ goto error_return;
+
+ conn->setenv_state = SETENV_STATE_ENCODINGS_WAIT;
+ return PGRES_POLLING_READING;
+ }
}
- }
case SETENV_STATE_ENCODINGS_WAIT:
- {
- if (PQisBusy(conn))
- return PGRES_POLLING_READING;
-
- res = PQgetResult(conn);
-
- if (res)
{
- char *encoding;
+ if (PQisBusy(conn))
+ return PGRES_POLLING_READING;
+
+ res = PQgetResult(conn);
- if (PQresultStatus(res) != PGRES_TUPLES_OK)
+ if (res)
{
+ char *encoding;
+
+ if (PQresultStatus(res) != PGRES_TUPLES_OK)
+ {
+ PQclear(res);
+ goto error_return;
+ }
+
+ /* set client encoding in pg_conn struct */
+ encoding = PQgetvalue(res, 0, 0);
+ if (!encoding) /* this should not happen */
+ conn->client_encoding = SQL_ASCII;
+ else
+ conn->client_encoding = pg_char_to_encoding(encoding);
PQclear(res);
- goto error_return;
+
+ /*
+ * We have to keep going in order to clear up the
+ * query
+ */
+ goto keep_going;
}
- /* set client encoding in pg_conn struct */
- encoding = PQgetvalue(res, 0, 0);
- if (!encoding) /* this should not happen */
- conn->client_encoding = SQL_ASCII;
- else
- conn->client_encoding = pg_char_to_encoding(encoding);
- PQclear(res);
- /* We have to keep going in order to clear up the query */
+ /* NULL result indicates that the query is finished */
+
+ /* Move on to setting the environment options */
+ conn->setenv_state = SETENV_STATE_OPTION_SEND;
goto keep_going;
}
-
- /* NULL result indicates that the query is finished */
-
- /* Move on to setting the environment options */
- conn->setenv_state = SETENV_STATE_OPTION_SEND;
- goto keep_going;
- }
#endif
case SETENV_STATE_OPTION_SEND:
- {
- /* Send an Environment Option */
- char setQuery[100]; /* note length limits in sprintf's below */
-
- if (conn->next_eo->envName)
{
- const char *val;
+ /* Send an Environment Option */
+ char setQuery[100]; /* note length limits in
+ * sprintf's below */
- if ((val = getenv(conn->next_eo->envName)))
+ if (conn->next_eo->envName)
{
- if (strcasecmp(val, "default") == 0)
- sprintf(setQuery, "SET %s = %.60s",
- conn->next_eo->pgName, val);
- else
- sprintf(setQuery, "SET %s = '%.60s'",
- conn->next_eo->pgName, val);
+ const char *val;
+
+ if ((val = getenv(conn->next_eo->envName)))
+ {
+ if (strcasecmp(val, "default") == 0)
+ sprintf(setQuery, "SET %s = %.60s",
+ conn->next_eo->pgName, val);
+ else
+ sprintf(setQuery, "SET %s = '%.60s'",
+ conn->next_eo->pgName, val);
#ifdef CONNECTDEBUG
- printf("Use environment variable %s to send %s\n",
- conn->next_eo->envName, setQuery);
+ printf("Use environment variable %s to send %s\n",
+ conn->next_eo->envName, setQuery);
#endif
- if (!PQsendQuery(conn, setQuery))
- goto error_return;
+ if (!PQsendQuery(conn, setQuery))
+ goto error_return;
- conn->setenv_state = SETENV_STATE_OPTION_WAIT;
+ conn->setenv_state = SETENV_STATE_OPTION_WAIT;
+ }
+ else
+ conn->next_eo++;
}
else
{
- conn->next_eo++;
+ /* No more options to send, so we are done. */
+ conn->setenv_state = SETENV_STATE_IDLE;
}
- }
- else
- {
- /* No more options to send, so we are done. */
- conn->setenv_state = SETENV_STATE_IDLE;
- }
- goto keep_going;
- }
+ goto keep_going;
+ }
case SETENV_STATE_OPTION_WAIT:
- {
- if (PQisBusy(conn))
- return PGRES_POLLING_READING;
-
- res = PQgetResult(conn);
-
- if (res)
{
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
+ if (PQisBusy(conn))
+ return PGRES_POLLING_READING;
+
+ res = PQgetResult(conn);
+
+ if (res)
{
+ if (PQresultStatus(res) != PGRES_COMMAND_OK)
+ {
+ PQclear(res);
+ goto error_return;
+ }
+ /* Don't need the result */
PQclear(res);
- goto error_return;
+
+ /*
+ * We have to keep going in order to clear up the
+ * query
+ */
+ goto keep_going;
}
- /* Don't need the result */
- PQclear(res);
- /* We have to keep going in order to clear up the query */
- goto keep_going;
- }
- /* NULL result indicates that the query is finished */
+ /* NULL result indicates that the query is finished */
- /* Send the next option */
- conn->next_eo++;
- conn->setenv_state = SETENV_STATE_OPTION_SEND;
- goto keep_going;
- }
+ /* Send the next option */
+ conn->next_eo++;
+ conn->setenv_state = SETENV_STATE_OPTION_SEND;
+ goto keep_going;
+ }
case SETENV_STATE_IDLE:
return PGRES_POLLING_OK;
default:
printfPQExpBuffer(&conn->errorMessage,
"PQsetenvPoll() -- unknown state - "
- "probably indicative of memory corruption!\n");
+ "probably indicative of memory corruption!\n");
goto error_return;
}
/* Unreachable */
- error_return:
+error_return:
conn->setenv_state = SETENV_STATE_IDLE;
return PGRES_POLLING_FAILED;
}
{
PostgresPollingStatusType flag = PGRES_POLLING_WRITING;
- if (! PQsetenvStart(conn))
+ if (!PQsetenvStart(conn))
return false;
- for (;;) {
+ for (;;)
+ {
+
/*
- * Wait, if necessary. Note that the initial state (just after
+ * Wait, if necessary. Note that the initial state (just after
* PQsetenvStart) is to wait for the socket to select for writing.
*/
switch (flag)
case PGRES_POLLING_OK:
return true; /* success! */
-
+
case PGRES_POLLING_READING:
if (pqWait(1, 0, conn))
{
conn->status = CONNECTION_BAD;
return false;
}
+
/*
* Now try to advance the state machine.
*/
}
}
-#endif /* NOT_USED */
+#endif /* NOT_USED */
/*
#endif
/*
- * The output buffer size is set to 8K, which is the usual size of pipe
- * buffers on Unix systems. That way, when we are sending a large
- * amount of data, we avoid incurring extra kernel context swaps for
- * partial bufferloads. Note that we currently don't ever enlarge
+ * The output buffer size is set to 8K, which is the usual size of
+ * pipe buffers on Unix systems. That way, when we are sending a
+ * large amount of data, we avoid incurring extra kernel context swaps
+ * for partial bufferloads. Note that we currently don't ever enlarge
* the output buffer.
*
* With the same goal of minimizing context swaps, the input buffer will
- * be enlarged anytime it has less than 8K free, so we initially allocate
- * twice that.
+ * be enlarged anytime it has less than 8K free, so we initially
+ * allocate twice that.
*/
conn->inBufSize = 16 * 1024;
conn->inBuffer = (char *) malloc(conn->inBufSize);
pqClearAsyncResult(conn); /* deallocate result and curTuple */
#ifdef USE_SSL
if (conn->ssl)
- SSL_free(conn->ssl);
+ SSL_free(conn->ssl);
#endif
if (conn->sock >= 0)
#ifdef WIN32
(void) pqFlush(conn);
}
- /*
+ /*
* must reset the blocking status so a possible reconnect will work
* don't call PQsetnonblocking() because it will fail if it's unable
* to flush the connection.
PQresetPoll(PGconn *conn)
{
if (conn)
- {
return PQconnectPoll(conn);
- }
return PGRES_POLLING_FAILED;
}
if (options == NULL)
{
printfPQExpBuffer(errorMessage,
- "FATAL: cannot allocate memory for copy of PQconninfoOptions\n");
+ "FATAL: cannot allocate memory for copy of PQconninfoOptions\n");
return NULL;
}
memcpy(options, PQconninfoOptions, sizeof(PQconninfoOptions));
if (*cp != '=')
{
printfPQExpBuffer(errorMessage,
- "ERROR: Missing '=' after '%s' in conninfo\n",
+ "ERROR: Missing '=' after '%s' in conninfo\n",
pname);
PQconninfoFree(options);
free(buf);
if (*cp == '\0')
{
printfPQExpBuffer(errorMessage,
- "ERROR: PQconnectdb() - unterminated quoted string in conninfo\n");
+ "ERROR: PQconnectdb() - unterminated quoted string in conninfo\n");
PQconninfoFree(options);
free(buf);
return NULL;
int
PQsetClientEncoding(PGconn *conn, const char *encoding)
{
- char qbuf[128];
+ char qbuf[128];
static char query[] = "set client_encoding to '%s'";
- PGresult *res;
- int status;
+ PGresult *res;
+ int status;
if (!conn || conn->status != CONNECTION_OK)
return -1;
sprintf(qbuf, query, encoding);
res = PQexec(conn, qbuf);
- if (res == (PGresult *)NULL)
+ if (res == (PGresult *) NULL)
return -1;
if (res->resultStatus != PGRES_COMMAND_OK)
status = -1;
{
/* change libpq internal encoding */
conn->client_encoding = pg_char_to_encoding(encoding);
- status = 0; /* everything is ok */
+ status = 0; /* everything is ok */
}
PQclear(res);
- return(status);
+ return (status);
}
+
#else
int
PQsetClientEncoding(PGconn *conn, const char *encoding)
{
return -1;
}
+
#endif
void
static void
defaultNoticeProcessor(void *arg, const char *message)
{
- (void)arg; /*not used*/
+ (void) arg; /* not used */
/* Note: we expect the supplied string to end with a newline already. */
fprintf(stderr, "%s", message);
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-exec.c,v 1.93 2000/03/14 23:59:23 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-exec.c,v 1.94 2000/04/12 17:17:14 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#endif
/* keep this in same order as ExecStatusType in libpq-fe.h */
-char * const pgresStatus[] = {
+char *const pgresStatus[] = {
"PGRES_EMPTY_QUERY",
"PGRES_COMMAND_OK",
"PGRES_TUPLES_OK",
static void pqCatenateResultError(PGresult *res, const char *msg);
static void saveErrorResult(PGconn *conn);
static PGresult *prepareAsyncResult(PGconn *conn);
-static int addTuple(PGresult *res, PGresAttValue *tup);
+static int addTuple(PGresult *res, PGresAttValue * tup);
static void parseInput(PGconn *conn);
static void handleSendFailure(PGconn *conn);
static int getRowDescriptions(PGconn *conn);
/* defaults... */
result->noticeHook = NULL;
result->noticeArg = NULL;
- result->client_encoding = 0; /* should be SQL_ASCII */
+ result->client_encoding = 0; /* should be SQL_ASCII */
}
return result;
static void
pqCatenateResultError(PGresult *res, const char *msg)
{
- PQExpBufferData errorBuf;
+ PQExpBufferData errorBuf;
if (!res || !msg)
return;
static void
saveErrorResult(PGconn *conn)
{
- /* If no old async result, just let PQmakeEmptyPGresult make one.
+
+ /*
+ * If no old async result, just let PQmakeEmptyPGresult make one.
* Likewise if old result is not an error message.
*/
if (conn->result == NULL ||
PGresult *res;
/*
- * conn->result is the PGresult to return. If it is NULL
- * (which probably shouldn't happen) we assume there is an
- * appropriate error message in conn->errorMessage.
+ * conn->result is the PGresult to return. If it is NULL (which
+ * probably shouldn't happen) we assume there is an appropriate error
+ * message in conn->errorMessage.
*/
res = conn->result;
conn->result = NULL; /* handing over ownership to caller */
res = PQmakeEmptyPGresult(conn, PGRES_FATAL_ERROR);
else
{
+
/*
- * Make sure PQerrorMessage agrees with result; it could
- * be different if we have concatenated messages.
+ * Make sure PQerrorMessage agrees with result; it could be
+ * different if we have concatenated messages.
*/
resetPQExpBuffer(&conn->errorMessage);
appendPQExpBufferStr(&conn->errorMessage,
* Returns TRUE if OK, FALSE if not enough memory to add the row
*/
static int
-addTuple(PGresult *res, PGresAttValue *tup)
+addTuple(PGresult *res, PGresAttValue * tup)
{
if (res->ntups >= res->tupArrSize)
{
if (conn->asyncStatus != PGASYNC_IDLE)
{
printfPQExpBuffer(&conn->errorMessage,
- "PQsendQuery() -- another query already in progress.\n");
+ "PQsendQuery() -- another query already in progress.\n");
return 0;
}
/* send the query to the backend; */
/*
- * in order to guarantee that we don't send a partial query
- * where we would become out of sync with the backend and/or
- * block during a non-blocking connection we must first flush
- * the send buffer before sending more data
+ * in order to guarantee that we don't send a partial query where we
+ * would become out of sync with the backend and/or block during a
+ * non-blocking connection we must first flush the send buffer before
+ * sending more data
*
- * an alternative is to implement 'queue reservations' where
- * we are able to roll up a transaction
- * (the 'Q' along with our query) and make sure we have
- * enough space for it all in the send buffer.
+ * an alternative is to implement 'queue reservations' where we are able
+ * to roll up a transaction (the 'Q' along with our query) and make
+ * sure we have enough space for it all in the send buffer.
*/
if (pqIsnonblocking(conn))
{
+
/*
- * the buffer must have emptied completely before we allow
- * a new query to be buffered
+ * the buffer must have emptied completely before we allow a new
+ * query to be buffered
*/
if (pqFlush(conn))
return 0;
if (pqPutnchar("Q", 1, conn) ||
pqPuts(query, conn))
{
- handleSendFailure(conn);
+ handleSendFailure(conn);
return 0;
}
+
/*
- * give the data a push, ignore the return value as
- * ConsumeInput() will do any aditional flushing if needed
+ * give the data a push, ignore the return value as ConsumeInput()
+ * will do any aditional flushing if needed
*/
- (void) pqFlush(conn);
+ (void) pqFlush(conn);
}
else
{
- /*
- * the frontend-backend protocol uses 'Q' to
- * designate queries
+
+ /*
+ * the frontend-backend protocol uses 'Q' to designate queries
*/
if (pqPutnchar("Q", 1, conn) ||
pqPuts(query, conn) ||
static void
handleSendFailure(PGconn *conn)
{
+
/*
* Accept any available input data, ignoring errors. Note that if
* pqReadData decides the backend has closed the channel, it will
* close our side of the socket --- that's just what we want here.
*/
while (pqReadData(conn) > 0)
- /* loop until no more data readable */ ;
+ /* loop until no more data readable */ ;
/*
- * Parse any available input messages. Since we are in PGASYNC_IDLE
+ * Parse any available input messages. Since we are in PGASYNC_IDLE
* state, only NOTICE and NOTIFY messages will be eaten.
*/
parseInput(conn);
*/
if (pqReadData(conn) < 0)
{
+
/*
- * for non-blocking connections
- * try to flush the send-queue otherwise we may never get a
- * responce for something that may not have already been sent
- * because it's in our write buffer!
+ * for non-blocking connections try to flush the send-queue
+ * otherwise we may never get a responce for something that may
+ * not have already been sent because it's in our write buffer!
*/
if (pqIsnonblocking(conn))
(void) pqFlush(conn);
* OUT; always process them right away.
*
* Most other messages should only be processed while in BUSY state.
- * (In particular, in READY state we hold off further parsing until
- * the application collects the current PGresult.)
+ * (In particular, in READY state we hold off further parsing
+ * until the application collects the current PGresult.)
*
- * However, if the state is IDLE then we got trouble; we need to
- * deal with the unexpected message somehow.
+ * However, if the state is IDLE then we got trouble; we need to deal
+ * with the unexpected message somehow.
*/
if (id == 'A')
{
/* If not IDLE state, just wait ... */
if (conn->asyncStatus != PGASYNC_IDLE)
return;
+
/*
* Unexpected message in IDLE state; need to recover somehow.
* ERROR messages are displayed using the notice processor;
else
{
sprintf(noticeWorkspace,
- "Backend message type 0x%02x arrived while idle\n",
+ "Backend message type 0x%02x arrived while idle\n",
id);
DONOTICE(conn, noticeWorkspace);
/* Discard the unexpected message; good idea?? */
}
else
{
+
/*
* In BUSY state, we can process everything.
*/
return;
if (conn->result == NULL)
conn->result = PQmakeEmptyPGresult(conn,
- PGRES_COMMAND_OK);
+ PGRES_COMMAND_OK);
strncpy(conn->result->cmdStatus, conn->workBuffer.data,
CMDSTATUS_LEN);
conn->asyncStatus = PGASYNC_READY;
break;
case 'E': /* error return */
- if (pqGets(& conn->errorMessage, conn))
+ if (pqGets(&conn->errorMessage, conn))
return;
/* build an error result holding the error message */
saveErrorResult(conn);
else
{
sprintf(noticeWorkspace,
- "Backend sent D message without prior T\n");
+ "Backend sent D message without prior T\n");
DONOTICE(conn, noticeWorkspace);
/* Discard the unexpected message; good idea?? */
conn->inStart = conn->inEnd;
else
{
sprintf(noticeWorkspace,
- "Backend sent B message without prior T\n");
+ "Backend sent B message without prior T\n");
DONOTICE(conn, noticeWorkspace);
/* Discard the unexpected message; good idea?? */
conn->inStart = conn->inEnd;
break;
default:
printfPQExpBuffer(&conn->errorMessage,
- "Unknown protocol character '%c' read from backend. "
- "(The protocol character is the first character the "
- "backend sends in response to a query it receives).\n",
- id);
+ "Unknown protocol character '%c' read from backend. "
+ "(The protocol character is the first character the "
+ "backend sends in response to a query it receives).\n",
+ id);
/* build an error result holding the error message */
saveErrorResult(conn);
/* Discard the unexpected message; good idea?? */
PGresult *result = conn->result;
int nfields = result->numAttributes;
PGresAttValue *tup;
+
/* the backend sends us a bitmap of which attributes are null */
char std_bitmap[64]; /* used unless it doesn't fit */
char *bitmap = std_bitmap;
outOfMemory:
/* Replace partially constructed result with an error result */
- /* we do NOT use saveErrorResult() here, because of the likelihood
+
+ /*
+ * we do NOT use saveErrorResult() here, because of the likelihood
* that there's not enough memory to concatenate messages...
*/
pqClearAsyncResult(conn);
if (pqWait(TRUE, FALSE, conn) ||
pqReadData(conn) < 0)
{
- /* conn->errorMessage has been set by pqWait or pqReadData.
- * We want to append it to any already-received error message.
+
+ /*
+ * conn->errorMessage has been set by pqWait or pqReadData. We
+ * want to append it to any already-received error message.
*/
saveErrorResult(conn);
conn->asyncStatus = PGASYNC_IDLE;
{
PGresult *result;
PGresult *lastResult;
- bool savedblocking;
+ bool savedblocking;
/*
- * we assume anyone calling PQexec wants blocking behaviour,
- * we force the blocking status of the connection to blocking
- * for the duration of this function and restore it on return
+ * we assume anyone calling PQexec wants blocking behaviour, we force
+ * the blocking status of the connection to blocking for the duration
+ * of this function and restore it on return
*/
savedblocking = pqIsnonblocking(conn);
if (PQsetnonblocking(conn, FALSE) == -1)
/* OK to send the message */
if (!PQsendQuery(conn, query))
- goto errout; /* restore blocking status */
+ goto errout; /* restore blocking status */
/*
* For backwards compatibility, return the last result if there are
* more than one --- but merge error messages if we get more than one
* error result.
*
- * We have to stop if we see copy in/out, however.
- * We will resume parsing when application calls PQendcopy.
+ * We have to stop if we see copy in/out, however. We will resume parsing
+ * when application calls PQendcopy.
*/
lastResult = NULL;
while ((result = PQgetResult(conn)) != NULL)
static int
getNotice(PGconn *conn)
{
- /* Since the Notice might be pretty long, we create a temporary
- * PQExpBuffer rather than using conn->workBuffer. workBuffer is
+
+ /*
+ * Since the Notice might be pretty long, we create a temporary
+ * PQExpBuffer rather than using conn->workBuffer. workBuffer is
* intended for stuff that is expected to be short.
*/
- PQExpBufferData noticeBuf;
+ PQExpBufferData noticeBuf;
initPQExpBuffer(¬iceBuf);
if (pqGets(¬iceBuf, conn))
conn->asyncStatus != PGASYNC_COPY_OUT)
{
printfPQExpBuffer(&conn->errorMessage,
- "PQendcopy() -- I don't think there's a copy in progress.\n");
+ "PQendcopy() -- I don't think there's a copy in progress.\n");
return 1;
}
/*
- * make sure no data is waiting to be sent,
- * abort if we are non-blocking and the flush fails
+ * make sure no data is waiting to be sent, abort if we are
+ * non-blocking and the flush fails
*/
if (pqFlush(conn) && pqIsnonblocking(conn))
return (1);
return NULL;
}
- if (pqPuts("F ", conn) || /* function */
+ if (pqPuts("F ", conn) || /* function */
pqPutInt(fnid, 4, conn) || /* function id */
pqPutInt(nargs, 4, conn)) /* # of args */
{
{
/* The backend violates the protocol. */
printfPQExpBuffer(&conn->errorMessage,
- "FATAL: PQfn: protocol error: id=0x%x\n",
+ "FATAL: PQfn: protocol error: id=0x%x\n",
id);
saveErrorResult(conn);
conn->inStart = conn->inCursor;
default:
/* The backend violates the protocol. */
printfPQExpBuffer(&conn->errorMessage,
- "FATAL: PQfn: protocol error: id=0x%x\n",
+ "FATAL: PQfn: protocol error: id=0x%x\n",
id);
saveErrorResult(conn);
conn->inStart = conn->inCursor;
needInput = false;
}
- /* We fall out of the loop only upon failing to read data.
- * conn->errorMessage has been set by pqWait or pqReadData.
- * We want to append it to any already-received error message.
+ /*
+ * We fall out of the loop only upon failing to read data.
+ * conn->errorMessage has been set by pqWait or pqReadData. We want to
+ * append it to any already-received error message.
*/
saveErrorResult(conn);
return prepareAsyncResult(conn);
static int
check_field_number(const char *routineName, const PGresult *res, int field_num)
{
- char noticeBuf[128];
+ char noticeBuf[128];
if (!res)
return FALSE; /* no way to display error message... */
check_tuple_field_number(const char *routineName, const PGresult *res,
int tup_num, int field_num)
{
- char noticeBuf[128];
+ char noticeBuf[128];
if (!res)
return FALSE; /* no way to display error message... */
char *
PQoidStatus(const PGresult *res)
{
- /*
- * This must be enough to hold the result. Don't laugh, this is
- * better than what this function used to do.
+
+ /*
+ * This must be enough to hold the result. Don't laugh, this is better
+ * than what this function used to do.
*/
static char buf[24];
- size_t len;
+ size_t len;
if (!res || !res->cmdStatus || strncmp(res->cmdStatus, "INSERT ", 7) != 0)
return "";
/*
PQoidValue -
- a perhaps preferable form of the above which just returns
+ a perhaps preferable form of the above which just returns
an Oid type
*/
Oid
PQoidValue(const PGresult *res)
{
- char * endptr = NULL;
- long int result;
+ char *endptr = NULL;
+ long int result;
- if (!res || !res->cmdStatus || strncmp(res->cmdStatus, "INSERT ", 7) != 0)
- return InvalidOid;
+ if (!res || !res->cmdStatus || strncmp(res->cmdStatus, "INSERT ", 7) != 0)
+ return InvalidOid;
- errno = 0;
- result = strtoul(res->cmdStatus + 7, &endptr, 10);
+ errno = 0;
+ result = strtoul(res->cmdStatus + 7, &endptr, 10);
- if (!endptr || (*endptr != ' ' && *endptr != '\0') || errno == ERANGE)
- return InvalidOid;
- else
- return (Oid)result;
+ if (!endptr || (*endptr != ' ' && *endptr != '\0') || errno == ERANGE)
+ return InvalidOid;
+ else
+ return (Oid) result;
}
/*
char *
PQcmdTuples(PGresult *res)
{
- char noticeBuf[128];
+ char noticeBuf[128];
if (!res)
return "";
/*
* to guarantee constancy for flushing/query/result-polling behavior
* we need to flush the send queue at this point in order to guarantee
- * proper behavior.
- * this is ok because either they are making a transition
- * _from_ or _to_ blocking mode, either way we can block them.
+ * proper behavior. this is ok because either they are making a
+ * transition _from_ or _to_ blocking mode, either way we can block
+ * them.
*/
/* if we are going from blocking to non-blocking flush here */
if (pqFlush(conn))
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-lobj.c,v 1.28 2000/02/07 23:10:11 petere Exp $
+ * $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-lobj.c,v 1.29 2000/04/12 17:17:15 momjian Exp $
*
*-------------------------------------------------------------------------
*/
PGresult *res;
PGlobjfuncs *lobjfuncs;
int n;
- const char *fname;
+ const char *fname;
Oid foid;
/* ----------------
free(lobjfuncs);
PQclear(res);
printfPQExpBuffer(&conn->errorMessage,
- "ERROR: SELECT didn't return data in lo_initialize()\n");
+ "ERROR: SELECT didn't return data in lo_initialize()\n");
return -1;
}
if (lobjfuncs->fn_lo_open == 0)
{
printfPQExpBuffer(&conn->errorMessage,
- "ERROR: Cannot determine OID for function lo_open\n");
+ "ERROR: Cannot determine OID for function lo_open\n");
free(lobjfuncs);
return -1;
}
if (lobjfuncs->fn_lo_close == 0)
{
printfPQExpBuffer(&conn->errorMessage,
- "ERROR: Cannot determine OID for function lo_close\n");
+ "ERROR: Cannot determine OID for function lo_close\n");
free(lobjfuncs);
return -1;
}
if (lobjfuncs->fn_lo_creat == 0)
{
printfPQExpBuffer(&conn->errorMessage,
- "ERROR: Cannot determine OID for function lo_creat\n");
+ "ERROR: Cannot determine OID for function lo_creat\n");
free(lobjfuncs);
return -1;
}
if (lobjfuncs->fn_lo_unlink == 0)
{
printfPQExpBuffer(&conn->errorMessage,
- "ERROR: Cannot determine OID for function lo_unlink\n");
+ "ERROR: Cannot determine OID for function lo_unlink\n");
free(lobjfuncs);
return -1;
}
if (lobjfuncs->fn_lo_lseek == 0)
{
printfPQExpBuffer(&conn->errorMessage,
- "ERROR: Cannot determine OID for function lo_lseek\n");
+ "ERROR: Cannot determine OID for function lo_lseek\n");
free(lobjfuncs);
return -1;
}
if (lobjfuncs->fn_lo_tell == 0)
{
printfPQExpBuffer(&conn->errorMessage,
- "ERROR: Cannot determine OID for function lo_tell\n");
+ "ERROR: Cannot determine OID for function lo_tell\n");
free(lobjfuncs);
return -1;
}
if (lobjfuncs->fn_lo_read == 0)
{
printfPQExpBuffer(&conn->errorMessage,
- "ERROR: Cannot determine OID for function loread\n");
+ "ERROR: Cannot determine OID for function loread\n");
free(lobjfuncs);
return -1;
}
if (lobjfuncs->fn_lo_write == 0)
{
printfPQExpBuffer(&conn->errorMessage,
- "ERROR: Cannot determine OID for function lowrite\n");
+ "ERROR: Cannot determine OID for function lowrite\n");
free(lobjfuncs);
return -1;
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-misc.c,v 1.40 2000/04/11 19:00:31 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-misc.c,v 1.41 2000/04/12 17:17:15 momjian Exp $
*
*-------------------------------------------------------------------------
*/
static int
pqPutBytes(const char *s, size_t nbytes, PGconn *conn)
{
- size_t avail = Max(conn->outBufSize - conn->outCount, 0);
+ size_t avail = Max(conn->outBufSize - conn->outCount, 0);
/*
- * if we are non-blocking and the send queue is too full to buffer this
- * request then try to flush some and return an error
+ * if we are non-blocking and the send queue is too full to buffer
+ * this request then try to flush some and return an error
*/
if (pqIsnonblocking(conn) && nbytes > avail && pqFlush(conn))
{
- /*
- * even if the flush failed we may still have written some
- * data, recalculate the size of the send-queue relative
- * to the amount we have to send, we may be able to queue it
- * afterall even though it's not sent to the database it's
- * ok, any routines that check the data coming from the
- * database better call pqFlush() anyway.
+
+ /*
+ * even if the flush failed we may still have written some data,
+ * recalculate the size of the send-queue relative to the amount
+ * we have to send, we may be able to queue it afterall even
+ * though it's not sent to the database it's ok, any routines that
+ * check the data coming from the database better call pqFlush()
+ * anyway.
*/
if (nbytes > Max(conn->outBufSize - conn->outCount, 0))
{
printfPQExpBuffer(&conn->errorMessage,
- "pqPutBytes -- pqFlush couldn't flush enough"
- " data: space available: %d, space needed %d\n",
- Max(conn->outBufSize - conn->outCount, 0), nbytes);
+ "pqPutBytes -- pqFlush couldn't flush enough"
+ " data: space available: %d, space needed %d\n",
+ Max(conn->outBufSize - conn->outCount, 0), nbytes);
return EOF;
}
/* fixup avail for while loop */
avail = Max(conn->outBufSize - conn->outCount, 0);
}
- /*
+ /*
* is the amount of data to be sent is larger than the size of the
* output buffer then we must flush it to make more room.
*
- * the code above will make sure the loop conditional is never
- * true for non-blocking connections
+ * the code above will make sure the loop conditional is never true for
+ * non-blocking connections
*/
while (nbytes > avail)
{
conn->inCursor += len;
if (conn->Pfdebug)
- fprintf(conn->Pfdebug, "From backend (%d)> %.*s\n", len, (int)len, s);
+ fprintf(conn->Pfdebug, "From backend (%d)> %.*s\n", len, (int) len, s);
return 0;
}
return EOF;
if (conn->Pfdebug)
- fprintf(conn->Pfdebug, "To backend> %.*s\n", (int)len, s);
+ fprintf(conn->Pfdebug, "To backend> %.*s\n", (int) len, s);
return 0;
}
FD_SET(conn->sock, &input_mask);
timeout.tv_sec = 0;
timeout.tv_usec = 0;
- retry:
+retry:
if (select(conn->sock + 1, &input_mask, (fd_set *) NULL, (fd_set *) NULL,
&timeout) < 0)
{
goto retry;
printfPQExpBuffer(&conn->errorMessage,
- "pqReadReady() -- select() failed: errno=%d\n%s\n",
+ "pqReadReady() -- select() failed: errno=%d\n%s\n",
errno, strerror(errno));
return -1;
}
FD_SET(conn->sock, &input_mask);
timeout.tv_sec = 0;
timeout.tv_usec = 0;
- retry:
+retry:
if (select(conn->sock + 1, (fd_set *) NULL, &input_mask, (fd_set *) NULL,
&timeout) < 0)
{
goto retry;
printfPQExpBuffer(&conn->errorMessage,
- "pqWriteReady() -- select() failed: errno=%d\n%s\n",
+ "pqWriteReady() -- select() failed: errno=%d\n%s\n",
errno, strerror(errno));
return -1;
}
* buffer size. We enlarge before filling the buffer entirely so as
* to avoid asking the kernel for a partial packet. The magic constant
* here should be large enough for a TCP packet or Unix pipe
- * bufferload. 8K is the usual pipe buffer size, so...
+ * bufferload. 8K is the usual pipe buffer size, so...
*/
if (conn->inBufSize - conn->inEnd < 8192)
{
/* OK, try to read some data */
tryAgain:
#ifdef USE_SSL
- if (conn->ssl)
- nread = SSL_read(conn->ssl, conn->inBuffer + conn->inEnd,
- conn->inBufSize - conn->inEnd);
+ if (conn->ssl)
+ nread = SSL_read(conn->ssl, conn->inBuffer + conn->inEnd,
+ conn->inBufSize - conn->inEnd);
else
#endif
- nread = recv(conn->sock, conn->inBuffer + conn->inEnd,
- conn->inBufSize - conn->inEnd, 0);
+ nread = recv(conn->sock, conn->inBuffer + conn->inEnd,
+ conn->inBufSize - conn->inEnd, 0);
if (nread < 0)
{
if (errno == EINTR)
goto definitelyFailed;
#endif
printfPQExpBuffer(&conn->errorMessage,
- "pqReadData() -- read() failed: errno=%d\n%s\n",
+ "pqReadData() -- read() failed: errno=%d\n%s\n",
errno, strerror(errno));
return -1;
}
if (nread > 0)
{
conn->inEnd += nread;
+
/*
* Hack to deal with the fact that some kernels will only give us
- * back 1 packet per recv() call, even if we asked for more and there
- * is more available. If it looks like we are reading a long message,
- * loop back to recv() again immediately, until we run out of data
- * or buffer space. Without this, the block-and-restart behavior of
- * libpq's higher levels leads to O(N^2) performance on long messages.
+ * back 1 packet per recv() call, even if we asked for more and
+ * there is more available. If it looks like we are reading a
+ * long message, loop back to recv() again immediately, until we
+ * run out of data or buffer space. Without this, the
+ * block-and-restart behavior of libpq's higher levels leads to
+ * O(N^2) performance on long messages.
*
* Since we left-justified the data above, conn->inEnd gives the
- * amount of data already read in the current message. We consider
- * the message "long" once we have acquired 32k ...
+ * amount of data already read in the current message. We
+ * consider the message "long" once we have acquired 32k ...
*/
if (conn->inEnd > 32768 &&
(conn->inBufSize - conn->inEnd) >= 8192)
*/
tryAgain2:
#ifdef USE_SSL
- if (conn->ssl)
- nread = SSL_read(conn->ssl, conn->inBuffer + conn->inEnd,
- conn->inBufSize - conn->inEnd);
+ if (conn->ssl)
+ nread = SSL_read(conn->ssl, conn->inBuffer + conn->inEnd,
+ conn->inBufSize - conn->inEnd);
else
#endif
- nread = recv(conn->sock, conn->inBuffer + conn->inEnd,
- conn->inBufSize - conn->inEnd, 0);
+ nread = recv(conn->sock, conn->inBuffer + conn->inEnd,
+ conn->inBufSize - conn->inEnd, 0);
if (nread < 0)
{
if (errno == EINTR)
goto definitelyFailed;
#endif
printfPQExpBuffer(&conn->errorMessage,
- "pqReadData() -- read() failed: errno=%d\n%s\n",
+ "pqReadData() -- read() failed: errno=%d\n%s\n",
errno, strerror(errno));
return -1;
}
*/
definitelyFailed:
printfPQExpBuffer(&conn->errorMessage,
- "pqReadData() -- backend closed the channel unexpectedly.\n"
- "\tThis probably means the backend terminated abnormally\n"
- "\tbefore or while processing the request.\n");
+ "pqReadData() -- backend closed the channel unexpectedly.\n"
+ "\tThis probably means the backend terminated abnormally\n"
+ "\tbefore or while processing the request.\n");
conn->status = CONNECTION_BAD; /* No more connection to backend */
#ifdef WIN32
closesocket(conn->sock);
return EOF;
}
- /*
- * don't try to send zero data, allows us to use this function
- * without too much worry about overhead
+ /*
+ * don't try to send zero data, allows us to use this function without
+ * too much worry about overhead
*/
if (len == 0)
return (0);
/* Prevent being SIGPIPEd if backend has closed the connection. */
#ifndef WIN32
pqsigfunc oldsighandler = pqsignal(SIGPIPE, SIG_IGN);
+
#endif
- int sent;
+ int sent;
#ifdef USE_SSL
- if (conn->ssl)
- sent = SSL_write(conn->ssl, ptr, len);
+ if (conn->ssl)
+ sent = SSL_write(conn->ssl, ptr, len);
else
#endif
- sent = send(conn->sock, ptr, len, 0);
+ sent = send(conn->sock, ptr, len, 0);
#ifndef WIN32
pqsignal(SIGPIPE, oldsighandler);
case ECONNRESET:
#endif
printfPQExpBuffer(&conn->errorMessage,
- "pqFlush() -- backend closed the channel unexpectedly.\n"
- "\tThis probably means the backend terminated abnormally"
- " before or while processing the request.\n");
+ "pqFlush() -- backend closed the channel unexpectedly.\n"
+ "\tThis probably means the backend terminated abnormally"
+ " before or while processing the request.\n");
+
/*
* We used to close the socket here, but that's a bad
* idea since there might be unread data waiting
- * (typically, a NOTICE message from the backend telling
- * us it's committing hara-kiri...). Leave the socket
- * open until pqReadData finds no more data can be read.
+ * (typically, a NOTICE message from the backend
+ * telling us it's committing hara-kiri...). Leave
+ * the socket open until pqReadData finds no more data
+ * can be read.
*/
return EOF;
default:
printfPQExpBuffer(&conn->errorMessage,
- "pqFlush() -- couldn't send data: errno=%d\n%s\n",
- errno, strerror(errno));
+ "pqFlush() -- couldn't send data: errno=%d\n%s\n",
+ errno, strerror(errno));
/* We don't assume it's a fatal error... */
return EOF;
}
{
/* We didn't send it all, wait till we can send more */
- /*
- * if the socket is in non-blocking mode we may need
- * to abort here
+ /*
+ * if the socket is in non-blocking mode we may need to abort
+ * here
*/
#ifdef USE_SSL
/* can't do anything for our SSL users yet */
if (forRead || forWrite)
{
- retry:
+retry:
FD_ZERO(&input_mask);
FD_ZERO(&output_mask);
if (forRead)
if (errno == EINTR)
goto retry;
printfPQExpBuffer(&conn->errorMessage,
- "pqWait() -- select() failed: errno=%d\n%s\n",
+ "pqWait() -- select() failed: errno=%d\n%s\n",
errno, strerror(errno));
return EOF;
}
str = getenv("PGCLIENTENCODING");
if (str && *str != '\0')
encoding = pg_char_to_encoding(str);
- return(encoding);
+ return (encoding);
}
#else
int
PQmblen(const unsigned char *s, int encoding)
{
- (void)s;
- (void)encoding;
+ (void) s;
+ (void) encoding;
return 1;
}
int
* didn't really belong there.
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-print.c,v 1.36 2000/03/14 23:59:23 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-print.c,v 1.37 2000/04/12 17:17:15 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifdef TIOCGWINSZ
static struct winsize screen_size;
+
#else
static struct winsize
{
int ws_row;
int ws_col;
} screen_size;
+
#endif
unsigned char *fieldNotNum, int *fieldMax,
const int fieldMaxLen, FILE *fout);
static char *do_header(FILE *fout, const PQprintOpt *po, const int nFields,
- int *fieldMax, const char **fieldNames, unsigned char *fieldNotNum,
+ int *fieldMax, const char **fieldNames, unsigned char *fieldNotNum,
const int fs_len, const PGresult *res);
static void output_row(FILE *fout, const PQprintOpt *po, const int nFields, char **fields,
unsigned char *fieldNotNum, int *fieldMax, char *border,
void
PQprint(FILE *fout,
- const PGresult *res,
- const PQprintOpt *po)
+ const PGresult *res,
+ const PQprintOpt *po)
{
int nFields;
unsigned char *fieldNotNum = NULL;
char *border = NULL;
char **fields = NULL;
- const char **fieldNames;
+ const char **fieldNames;
int fieldMaxLen = 0;
int numFieldName;
int fs_len = strlen(po->fieldSep);
for (j = 0; j < nFields; j++)
{
int len;
- const char *s = (j < numFieldName && po->fieldName[j][0]) ?
+ const char *s = (j < numFieldName && po->fieldName[j][0]) ?
po->fieldName[j] : PQfname(res, j);
fieldNames[j] = s;
for (j = 0; j < nFields; j++)
{
- const char *s = fieldNames[j];
+ const char *s = fieldNames[j];
fputs(s, fout);
len += strlen(s) + fs_len;
do_field(const PQprintOpt *po, const PGresult *res,
const int i, const int j, const int fs_len,
char **fields,
- const int nFields, char const **fieldNames,
+ const int nFields, char const ** fieldNames,
unsigned char *fieldNotNum, int *fieldMax,
const int fieldMaxLen, FILE *fout)
{
- const char *pval,
+ const char *pval,
*p;
int plen;
bool skipit;
if (!skipit)
{
- if (po->align && ! fieldNotNum[j])
+ if (po->align && !fieldNotNum[j])
{
/* Detect whether field contains non-numeric data */
char ch = '0';
#endif
{
ch = *p;
- if (! ((ch >= '0' && ch <= '9') ||
- ch == '.' ||
- ch == 'E' ||
- ch == 'e' ||
- ch == ' ' ||
- ch == '-'))
+ if (!((ch >= '0' && ch <= '9') ||
+ ch == '.' ||
+ ch == 'E' ||
+ ch == 'e' ||
+ ch == ' ' ||
+ ch == '-'))
{
fieldNotNum[j] = 1;
break;
}
}
+
/*
- * Above loop will believe E in first column is numeric; also, we
- * insist on a digit in the last column for a numeric. This test
- * is still not bulletproof but it handles most cases.
+ * Above loop will believe E in first column is numeric; also,
+ * we insist on a digit in the last column for a numeric. This
+ * test is still not bulletproof but it handles most cases.
*/
if (*pval == 'E' || *pval == 'e' ||
!(ch >= '0' && ch <= '9'))
fputs(po->fieldSep, fout);
for (j = 0; j < nFields; j++)
{
- const char *s = PQfname(res, j);
+ const char *s = PQfname(res, j);
if (po->html3)
{
void
PQdisplayTuples(const PGresult *res,
- FILE *fp, /* where to send the output */
- int fillAlign, /* pad the fields with spaces */
- const char *fieldSep, /* field separator */
- int printHeader,/* display headers? */
- int quiet
+ FILE *fp, /* where to send the output */
+ int fillAlign, /* pad the fields with spaces */
+ const char *fieldSep, /* field separator */
+ int printHeader,/* display headers? */
+ int quiet
)
{
#define DEFAULT_FIELD_SEP " "
fLength[j] = strlen(PQfname(res, j));
for (i = 0; i < nTuples; i++)
{
- int flen = PQgetlength(res, i, j);
+ int flen = PQgetlength(res, i, j);
+
if (flen > fLength[j])
fLength[j] = flen;
}
void
PQprintTuples(const PGresult *res,
- FILE *fout, /* output stream */
- int PrintAttNames,/* print attribute names or not */
- int TerseOutput, /* delimiter bars or not? */
- int colWidth /* width of column, if 0, use variable
- * width */
+ FILE *fout, /* output stream */
+ int PrintAttNames,/* print attribute names or not */
+ int TerseOutput, /* delimiter bars or not? */
+ int colWidth /* width of column, if 0, use variable
+ * width */
)
{
int nFields;
{
for (j = 0; j < nFields; j++)
{
- const char *pval = PQgetvalue(res, i, j);
+ const char *pval = PQgetvalue(res, i, j);
fprintf(fout, formatString,
TerseOutput ? "" : "|",
/* simply send out max-length number of filler characters to fp */
-
+
static void
fill(int length, int max, char filler, FILE *fp)
{
- int count;
-
- count = max - length;
- while (count-- >= 0)
- putc(filler, fp);
+ int count;
+
+ count = max - length;
+ while (count-- >= 0)
+ putc(filler, fp);
}
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: libpq-fe.h,v 1.64 2000/03/30 02:59:14 tgl Exp $
+ * $Id: libpq-fe.h,v 1.65 2000/04/12 17:17:15 momjian Exp $
*
*-------------------------------------------------------------------------
*/
typedef enum
{
- /* Although you may decide to change this list in some way,
- values which become unused should never be removed, nor
- should constants be redefined - that would break
- compatibility with existing code. */
+
+ /*
+ * Although you may decide to change this list in some way, values
+ * which become unused should never be removed, nor should
+ * constants be redefined - that would break compatibility with
+ * existing code.
+ */
CONNECTION_OK,
CONNECTION_BAD,
/* Non-blocking mode only below here */
- /* The existence of these should never be relied upon - they
- should only be used for user feedback or similar purposes. */
- CONNECTION_STARTED, /* Waiting for connection to be made. */
- CONNECTION_MADE, /* Connection OK; waiting to send. */
- CONNECTION_AWAITING_RESPONSE, /* Waiting for a response
- from the postmaster. */
- CONNECTION_AUTH_OK, /* Received authentication;
- waiting for backend startup. */
- CONNECTION_SETENV /* Negotiating environment. */
+
+ /*
+ * The existence of these should never be relied upon - they
+ * should only be used for user feedback or similar purposes.
+ */
+ CONNECTION_STARTED, /* Waiting for connection to be made. */
+ CONNECTION_MADE, /* Connection OK; waiting to send. */
+ CONNECTION_AWAITING_RESPONSE, /* Waiting for a response from the
+ * postmaster. */
+ CONNECTION_AUTH_OK, /* Received authentication; waiting for
+ * backend startup. */
+ CONNECTION_SETENV /* Negotiating environment. */
} ConnStatusType;
typedef enum
{
PGRES_POLLING_FAILED = 0,
- PGRES_POLLING_READING, /* These two indicate that one may */
- PGRES_POLLING_WRITING, /* use select before polling again. */
+ PGRES_POLLING_READING, /* These two indicate that one may */
+ PGRES_POLLING_WRITING, /* use select before polling again. */
PGRES_POLLING_OK,
- PGRES_POLLING_ACTIVE /* Can call poll function immediately.*/
+ PGRES_POLLING_ACTIVE /* Can call poll function immediately. */
} PostgresPollingStatusType;
typedef enum
typedef void (*PQnoticeProcessor) (void *arg, const char *message);
/* Print options for PQprint() */
- typedef char pqbool;
+ typedef char pqbool;
typedef struct _PQprintOpt
{
- pqbool header; /* print output field headings and row
+ pqbool header; /* print output field headings and row
* count */
- pqbool align; /* fill align the fields */
- pqbool standard; /* old brain dead format */
- pqbool html3; /* output html tables */
- pqbool expanded; /* expand tables */
- pqbool pager; /* use pager for output if needed */
+ pqbool align; /* fill align the fields */
+ pqbool standard; /* old brain dead format */
+ pqbool html3; /* output html tables */
+ pqbool expanded; /* expand tables */
+ pqbool pager; /* use pager for output if needed */
char *fieldSep; /* field separator */
char *tableOpt; /* insert to HTML <table ...> */
char *caption; /* HTML <caption> */
char *keyword; /* The keyword of the option */
char *envvar; /* Fallback environment variable name */
char *compiled; /* Fallback compiled in default value */
- char *val; /* Option's current value, or NULL */
+ char *val; /* Option's current value, or NULL */
char *label; /* Label for field in connect dialog */
- char *dispchar; /* Character to display for this field
- * in a connect dialog. Values are:
- * "" Display entered value as is
- * "*" Password field - hide value
- * "D" Debug option - don't show by default
- */
+ char *dispchar; /* Character to display for this field in
+ * a connect dialog. Values are: ""
+ * Display entered value as is "*"
+ * Password field - hide value "D" Debug
+ * option - don't show by default */
int dispsize; /* Field size in characters for dialog */
} PQconninfoOption;
extern PGconn *PQconnectdb(const char *conninfo);
extern PGconn *PQsetdbLogin(const char *pghost, const char *pgport,
const char *pgoptions, const char *pgtty,
- const char *dbName,
- const char *login, const char *pwd);
+ const char *dbName,
+ const char *login, const char *pwd);
#define PQsetdb(M_PGHOST,M_PGPORT,M_PGOPT,M_PGTTY,M_DBNAME) \
PQsetdbLogin(M_PGHOST, M_PGPORT, M_PGOPT, M_PGTTY, M_DBNAME, NULL, NULL)
* parameters
*/
/* Asynchronous (non-blocking) */
- extern int PQresetStart(PGconn *conn);
+ extern int PQresetStart(PGconn *conn);
extern PostgresPollingStatusType PQresetPoll(PGconn *conn);
/* Synchronous (blocking) */
extern void PQreset(PGconn *conn);
* use
*/
extern PGresult *PQfn(PGconn *conn,
- int fnid,
- int *result_buf,
- int *result_len,
- int result_is_int,
- const PQArgBlock *args,
- int nargs);
+ int fnid,
+ int *result_buf,
+ int *result_len,
+ int result_is_int,
+ const PQArgBlock *args,
+ int nargs);
/* Accessor functions for PGresult objects */
extern ExecStatusType PQresultStatus(const PGresult *res);
extern int PQfsize(const PGresult *res, int field_num);
extern int PQfmod(const PGresult *res, int field_num);
extern char *PQcmdStatus(PGresult *res);
- extern char *PQoidStatus(const PGresult *res); /* old and ugly */
- extern Oid PQoidValue(const PGresult *res); /* new and improved */
+ extern char *PQoidStatus(const PGresult *res); /* old and ugly */
+ extern Oid PQoidValue(const PGresult *res); /* new and improved */
extern char *PQcmdTuples(PGresult *res);
extern char *PQgetvalue(const PGresult *res, int tup_num, int field_num);
extern int PQgetlength(const PGresult *res, int tup_num, int field_num);
/* === in fe-print.c === */
extern void PQprint(FILE *fout, /* output stream */
- const PGresult *res,
- const PQprintOpt *ps); /* option structure */
-
- /*
- * really old printing routines
- */
- extern void PQdisplayTuples(const PGresult *res,
- FILE *fp, /* where to send the output */
- int fillAlign, /* pad the fields with spaces */
- const char *fieldSep, /* field separator */
- int printHeader, /* display headers? */
- int quiet);
-
- extern void PQprintTuples(const PGresult *res,
- FILE *fout, /* output stream */
- int printAttName, /* print attribute names */
- int terseOutput, /* delimiter bars */
- int width); /* width of column, if
- * 0, use variable width */
+ const PGresult *res,
+ const PQprintOpt *ps); /* option structure */
+
+ /*
+ * really old printing routines
+ */
+ extern void PQdisplayTuples(const PGresult *res,
+ FILE *fp, /* where to send the
+ * output */
+ int fillAlign, /* pad the fields with
+ * spaces */
+ const char *fieldSep, /* field separator */
+ int printHeader, /* display headers? */
+ int quiet);
+
+ extern void PQprintTuples(const PGresult *res,
+ FILE *fout, /* output stream */
+ int printAttName, /* print attribute names */
+ int terseOutput, /* delimiter bars */
+ int width); /* width of column, if
+ * 0, use variable width */
/* === in fe-lobj.c === */
extern int PQmblen(const unsigned char *s, int encoding);
/* Get encoding id from environment variable PGCLIENTENCODING */
- extern int PQenv2encoding(void);
+ extern int PQenv2encoding(void);
#ifdef __cplusplus
}
+
#endif
#endif /* LIBPQ_FE_H */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: libpq-int.h,v 1.22 2000/03/24 01:39:55 tgl Exp $
+ * $Id: libpq-int.h,v 1.23 2000/04/12 17:17:15 momjian Exp $
*
*-------------------------------------------------------------------------
*/
Oid typid; /* type id */
int typlen; /* type size */
int atttypmod; /* type-specific modifier info */
-} PGresAttDesc;
+} PGresAttDesc;
/* Data for a single attribute of a single tuple */
int len; /* length in bytes of the value */
char *value; /* actual value, plus terminating zero
* byte */
-} PGresAttValue;
+} PGresAttValue;
struct pg_result
{
* last query */
int binary; /* binary tuple values if binary == 1,
* otherwise ASCII */
+
/*
- * The conn link in PGresult is no longer used by any libpq code.
- * It should be removed entirely, because it could be a dangling link
- * (the application could keep the PGresult around longer than it keeps
- * the PGconn!) But there may be apps out there that depend on it,
- * so we will leave it here at least for a release or so.
+ * The conn link in PGresult is no longer used by any libpq code. It
+ * should be removed entirely, because it could be a dangling link
+ * (the application could keep the PGresult around longer than it
+ * keeps the PGconn!) But there may be apps out there that depend on
+ * it, so we will leave it here at least for a release or so.
*/
PGconn *xconn; /* connection we did the query on, if any */
* These fields are copied from the originating PGconn, so that
* operations on the PGresult don't have to reference the PGconn.
*/
- PQnoticeProcessor noticeHook; /* notice/error message processor */
+ PQnoticeProcessor noticeHook; /* notice/error message processor */
void *noticeArg;
- int client_encoding; /* encoding id */
+ int client_encoding;/* encoding id */
char *errMsg; /* error message, or NULL if no error */
PGASYNC_READY, /* result ready for PQgetResult */
PGASYNC_COPY_IN, /* Copy In data transfer in progress */
PGASYNC_COPY_OUT /* Copy Out data transfer in progress */
-} PGAsyncStatusType;
+} PGAsyncStatusType;
/* PGSetenvStatusType defines the state of the PQSetenv state machine */
typedef enum
SETENV_STATE_OPTION_SEND, /* About to send an Environment Option */
SETENV_STATE_OPTION_WAIT, /* Waiting for above send to complete */
/* these next two are only used in MULTIBYTE mode */
- SETENV_STATE_ENCODINGS_SEND, /* About to send an "encodings" query */
- SETENV_STATE_ENCODINGS_WAIT, /* Waiting for query to complete */
+ SETENV_STATE_ENCODINGS_SEND,/* About to send an "encodings" query */
+ SETENV_STATE_ENCODINGS_WAIT,/* Waiting for query to complete */
SETENV_STATE_IDLE
-} PGSetenvStatusType;
+} PGSetenvStatusType;
/* large-object-access data ... allocated only if large-object code is used. */
typedef struct pgLobjfuncs
Oid fn_lo_tell; /* OID of backend function lo_tell */
Oid fn_lo_read; /* OID of backend function LOread */
Oid fn_lo_write; /* OID of backend function LOwrite */
-} PGlobjfuncs;
+} PGlobjfuncs;
/* PGconn stores all the state data associated with a single connection
* to a backend.
char *pghost; /* the machine on which the server is
* running */
char *pghostaddr; /* the IPv4 address of the machine on
- * which the server is running, in
- * IPv4 numbers-and-dots notation. Takes
+ * which the server is running, in IPv4
+ * numbers-and-dots notation. Takes
* precedence over above. */
char *pgport; /* the server's communication port */
char *pgtty; /* tty on which the backend messages is
int inEnd; /* offset to first position after avail
* data */
- int nonblocking; /* whether this connection is using a blocking
- * socket to the backend or not */
+ int nonblocking; /* whether this connection is using a
+ * blocking socket to the backend or not */
/* Buffer for data not yet sent to backend */
char *outBuffer; /* currently allocated buffer */
PGresAttValue *curTuple; /* tuple currently being read */
/* Status for sending environment info. Used during PQSetenv only. */
- PGSetenvStatusType setenv_state;
+ PGSetenvStatusType setenv_state;
const struct EnvironmentOptions *next_eo;
#ifdef USE_SSL
- bool allow_ssl_try; /* Allowed to try SSL negotiation */
- SSL *ssl; /* SSL status, if have SSL connection */
+ bool allow_ssl_try; /* Allowed to try SSL negotiation */
+ SSL *ssl; /* SSL status, if have SSL connection */
#endif
/* Buffer for current error message */
- PQExpBufferData errorMessage; /* expansible string */
+ PQExpBufferData errorMessage; /* expansible string */
/* Buffer for receiving various parts of messages */
- PQExpBufferData workBuffer; /* expansible string */
+ PQExpBufferData workBuffer; /* expansible string */
- int client_encoding; /* encoding id */
+ int client_encoding;/* encoding id */
};
/* String descriptions of the ExecStatusTypes.
#endif /* sunos4 */
#endif /* !strerror */
-/*
+/*
* this is so that we can check is a connection is non-blocking internally
* without the overhead of a function call
*/
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Header: /cvsroot/pgsql/src/interfaces/libpq/pqexpbuffer.c,v 1.5 2000/02/07 23:10:11 petere Exp $
+ * $Header: /cvsroot/pgsql/src/interfaces/libpq/pqexpbuffer.c,v 1.6 2000/04/12 17:17:15 momjian Exp $
*
*-------------------------------------------------------------------------
*/
PQExpBuffer
createPQExpBuffer(void)
{
- PQExpBuffer res;
+ PQExpBuffer res;
res = (PQExpBuffer) malloc(sizeof(PQExpBufferData));
if (res != NULL)
/*------------------------
* printfPQExpBuffer
* Format text data under the control of fmt (an sprintf-like format string)
- * and insert it into str. More space is allocated to str if necessary.
+ * and insert it into str. More space is allocated to str if necessary.
* This is a convenience routine that does the same thing as
* resetPQExpBuffer() followed by appendPQExpBuffer().
*/
{
va_list args;
size_t avail;
- int nprinted;
+ int nprinted;
resetPQExpBuffer(str);
nprinted = vsnprintf(str->data + str->len, avail,
fmt, args);
va_end(args);
+
/*
* Note: some versions of vsnprintf return the number of chars
- * actually stored, but at least one returns -1 on failure.
- * Be conservative about believing whether the print worked.
+ * actually stored, but at least one returns -1 on failure. Be
+ * conservative about believing whether the print worked.
*/
- if (nprinted >= 0 && nprinted < avail-1)
+ if (nprinted >= 0 && nprinted < avail - 1)
{
/* Success. Note nprinted does not include trailing null. */
str->len += nprinted;
}
}
/* Double the buffer size and try again. */
- if (! enlargePQExpBuffer(str, str->maxlen))
+ if (!enlargePQExpBuffer(str, str->maxlen))
return; /* oops, out of memory */
}
}
{
va_list args;
size_t avail;
- int nprinted;
+ int nprinted;
for (;;)
{
nprinted = vsnprintf(str->data + str->len, avail,
fmt, args);
va_end(args);
+
/*
* Note: some versions of vsnprintf return the number of chars
- * actually stored, but at least one returns -1 on failure.
- * Be conservative about believing whether the print worked.
+ * actually stored, but at least one returns -1 on failure. Be
+ * conservative about believing whether the print worked.
*/
- if (nprinted >= 0 && nprinted < avail-1)
+ if (nprinted >= 0 && nprinted < avail - 1)
{
/* Success. Note nprinted does not include trailing null. */
str->len += nprinted;
}
}
/* Double the buffer size and try again. */
- if (! enlargePQExpBuffer(str, str->maxlen))
+ if (!enlargePQExpBuffer(str, str->maxlen))
return; /* oops, out of memory */
}
}
appendPQExpBufferChar(PQExpBuffer str, char ch)
{
/* Make more room if needed */
- if (! enlargePQExpBuffer(str, 1))
+ if (!enlargePQExpBuffer(str, 1))
return;
/* OK, append the character */
appendBinaryPQExpBuffer(PQExpBuffer str, const char *data, size_t datalen)
{
/* Make more room if needed */
- if (! enlargePQExpBuffer(str, datalen))
+ if (!enlargePQExpBuffer(str, datalen))
return;
/* OK, append the data */
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: pqexpbuffer.h,v 1.4 2000/02/07 23:10:11 petere Exp $
+ * $Id: pqexpbuffer.h,v 1.5 2000/04/12 17:17:15 momjian Exp $
*
*-------------------------------------------------------------------------
*/
* be returned by PQrequestCancel() or any routine in fe-auth.c.
*------------------------
*/
-#define INITIAL_EXPBUFFER_SIZE 256
+#define INITIAL_EXPBUFFER_SIZE 256
/*------------------------
* There are two ways to create a PQExpBuffer object initially:
*
* Returns 1 if OK, 0 if failed to enlarge buffer.
*/
-extern int enlargePQExpBuffer(PQExpBuffer str, size_t needed);
+extern int enlargePQExpBuffer(PQExpBuffer str, size_t needed);
/*------------------------
* printfPQExpBuffer
* Format text data under the control of fmt (an sprintf-like format string)
- * and insert it into str. More space is allocated to str if necessary.
+ * and insert it into str. More space is allocated to str if necessary.
* This is a convenience routine that does the same thing as
* resetPQExpBuffer() followed by appendPQExpBuffer().
*/
* if necessary.
*/
extern void appendBinaryPQExpBuffer(PQExpBuffer str,
- const char *data, size_t datalen);
+ const char *data, size_t datalen);
#endif /* PQEXPBUFFER_H */
#define DEF_PGPORT "5432"
#define MAXIMUM_ALIGNOF 4
-
#include "eloglvl.h"
-int elog_DEBUG(void) {
+int
+elog_DEBUG(void)
+{
return DEBUG;
}
-int elog_ERROR(void) {
+int
+elog_ERROR(void)
+{
return ERROR;
}
-int elog_NOIND(void) {
+int
+elog_NOIND(void)
+{
return NOIND;
}
-int elog_NOTICE(void) {
+int
+elog_NOTICE(void)
+{
return NOTICE;
}
-int elog_DEBUG(void) ;
+int
+ elog_DEBUG(void);
-int elog_ERROR(void) ;
+int
+ elog_ERROR(void);
-int elog_NOIND(void) ;
+int
+ elog_NOIND(void);
-int elog_NOTICE(void);
+int elog_NOTICE(void);
* IDENTIFICATION
*
* This software is copyrighted by Mark Hollomon
- * but is shameless cribbed from pltcl.c by Jan Weick.
+ * but is shameless cribbed from pltcl.c by Jan Weick.
*
* The author hereby grants permission to use, copy, modify,
* distribute, and license this software and its documentation
Oid arg_out_elem[FUNC_MAX_ARGS];
int arg_out_len[FUNC_MAX_ARGS];
int arg_is_rel[FUNC_MAX_ARGS];
- SV* reference;
+ SV *reference;
} plperl_proc_desc;
static int plperl_call_level = 0;
static int plperl_restart_in_progress = 0;
static PerlInterpreter *plperl_safe_interp = NULL;
-static HV *plperl_proc_hash = NULL;
+static HV *plperl_proc_hash = NULL;
+
#if REALLYHAVEITONTHEBALL
static Tcl_HashTable *plperl_query_hash = NULL;
+
#endif
/**********************************************************************
static void plperl_init_safe_interp(void);
Datum plperl_call_handler(FmgrInfo *proinfo,
- FmgrValues *proargs, bool *isNull);
+ FmgrValues *proargs, bool *isNull);
static Datum plperl_func_handler(FmgrInfo *proinfo,
- FmgrValues *proargs, bool *isNull);
+ FmgrValues *proargs, bool *isNull);
-static SV* plperl_build_tuple_argument(HeapTuple tuple, TupleDesc tupdesc);
+static SV *plperl_build_tuple_argument(HeapTuple tuple, TupleDesc tupdesc);
static void plperl_init_shared_libs(void);
#ifdef REALLYHAVEITONTHEBALL
static HeapTuple plperl_trigger_handler(FmgrInfo *proinfo);
static int plperl_elog(ClientData cdata, Tcl_Interp *interp,
- int argc, char *argv[]);
-static int plperl_quote(ClientData cdata, Tcl_Interp *interp,
int argc, char *argv[]);
+static int plperl_quote(ClientData cdata, Tcl_Interp *interp,
+ int argc, char *argv[]);
static int plperl_SPI_exec(ClientData cdata, Tcl_Interp *interp,
- int argc, char *argv[]);
+ int argc, char *argv[]);
static int plperl_SPI_prepare(ClientData cdata, Tcl_Interp *interp,
- int argc, char *argv[]);
+ int argc, char *argv[]);
static int plperl_SPI_execp(ClientData cdata, Tcl_Interp *interp,
- int argc, char *argv[]);
+ int argc, char *argv[]);
static void plperl_set_tuple_values(Tcl_Interp *interp, char *arrayname,
- int tupno, HeapTuple tuple, TupleDesc tupdesc);
+ int tupno, HeapTuple tuple, TupleDesc tupdesc);
+
#endif
if (plperl_proc_hash != NULL)
{
hv_undef(plperl_proc_hash);
- SvREFCNT_dec((SV*) plperl_proc_hash);
+ SvREFCNT_dec((SV *) plperl_proc_hash);
plperl_proc_hash = NULL;
}
/************************************************************
* Free the prepared query hash table
************************************************************/
+
/*
- if (plperl_query_hash != NULL)
- {
- }
- */
+ * if (plperl_query_hash != NULL) { }
+ */
/************************************************************
* Now recreate a new safe interpreter
plperl_init_safe_interp(void)
{
- char *embedding[] = { "", "-e", "use DynaLoader; require Safe; SPI::bootstrap()", "0" };
+ char *embedding[] = {"", "-e", "use DynaLoader; require Safe; SPI::bootstrap()", "0"};
plperl_safe_interp = perl_alloc();
if (!plperl_safe_interp)
perl_parse(plperl_safe_interp, plperl_init_shared_libs, 3, embedding, NULL);
perl_run(plperl_safe_interp);
-
+
/************************************************************
* Initialize the proc and query hash tables
************************* ***********************************/
- plperl_proc_hash = newHV();
+ plperl_proc_hash = newHV();
}
/* keep non-static */
Datum
plperl_call_handler(FmgrInfo *proinfo,
- FmgrValues *proargs,
- bool *isNull)
+ FmgrValues *proargs,
+ bool *isNull)
{
Datum retval;
************************************************************/
if (CurrentTriggerData == NULL)
retval = plperl_func_handler(proinfo, proargs, isNull);
- else {
+ else
+ {
elog(ERROR, "plperl: can't use perl in triggers yet.");
+
/*
- retval = (Datum) plperl_trigger_handler(proinfo);
- */
+ * retval = (Datum) plperl_trigger_handler(proinfo);
+ */
/* make the compiler happy */
retval = (Datum) 0;
}
/**********************************************************************
* plperl_create_sub() - calls the perl interpreter to
- * create the anonymous subroutine whose text is in the SV.
- * Returns the SV containing the RV to the closure.
+ * create the anonymous subroutine whose text is in the SV.
+ * Returns the SV containing the RV to the closure.
**********************************************************************/
static
SV *
-plperl_create_sub(SV *s) {
+plperl_create_sub(SV * s)
+{
dSP;
- SV* subref = NULL;
+ SV *subref = NULL;
ENTER;
SAVETMPS;
perl_eval_sv(s, G_SCALAR | G_EVAL | G_KEEPERR);
SPAGAIN;
- if (SvTRUE(GvSV(errgv))) {
+ if (SvTRUE(GvSV(errgv)))
+ {
POPs;
PUTBACK;
FREETMPS;
}
/*
- * need to make a deep copy of the return.
- * it comes off the stack as a temporary.
+ * need to make a deep copy of the return. it comes off the stack as a
+ * temporary.
*/
subref = newSVsv(POPs);
- if (!SvROK(subref)) {
+ if (!SvROK(subref))
+ {
PUTBACK;
FREETMPS;
LEAVE;
+
/*
* subref is our responsibility because it is not mortal
*/
}
/**********************************************************************
- * plperl_init_shared_libs() -
+ * plperl_init_shared_libs() -
*
* We cannot use the DynaLoader directly to get at the Opcode
* module (used by Safe.pm). So, we link Opcode into ourselves
* and do the initialization behind perl's back.
- *
+ *
**********************************************************************/
-extern void boot_DynaLoader _((CV* cv));
-extern void boot_Opcode _((CV* cv));
-extern void boot_SPI _((CV* cv));
+extern void boot_DynaLoader _((CV * cv));
+extern void boot_Opcode _((CV * cv));
+extern void boot_SPI _((CV * cv));
static void
plperl_init_shared_libs(void)
{
- char *file = __FILE__;
+ char *file = __FILE__;
+
newXS("DynaLoader::bootstrap", boot_DynaLoader, file);
newXS("Opcode::bootstrap", boot_Opcode, file);
newXS("SPI::bootstrap", boot_SPI, file);
* stored in the prodesc structure. massages the input parms properly
**********************************************************************/
static
-SV*
-plperl_call_perl_func (plperl_proc_desc * desc, FmgrValues *pargs)
+SV *
+plperl_call_perl_func(plperl_proc_desc * desc, FmgrValues *pargs)
{
dSP;
- SV* retval;
- int i;
- int count;
+ SV *retval;
+ int i;
+ int count;
ENTER;
SAVETMPS;
PUSHMARK(sp);
- for (i = 0; i < desc->nargs; i++) {
- if (desc->arg_is_rel[i]) {
+ for (i = 0; i < desc->nargs; i++)
+ {
+ if (desc->arg_is_rel[i])
+ {
+
/*
- * plperl_build_tuple_argument better return a
- * mortal SV.
- */
- SV* hashref = plperl_build_tuple_argument(
- ((TupleTableSlot *) (pargs->data[i]))->val,
- ((TupleTableSlot *) (pargs->data[i]))->ttc_tupleDescriptor);
+ * plperl_build_tuple_argument better return a mortal SV.
+ */
+ SV *hashref = plperl_build_tuple_argument(
+ ((TupleTableSlot *) (pargs->data[i]))->val,
+ ((TupleTableSlot *) (pargs->data[i]))->ttc_tupleDescriptor);
+
XPUSHs(hashref);
- } else {
- char *tmp = (*fmgr_faddr(&(desc->arg_out_func[i])))
- (pargs->data[i],
- desc->arg_out_elem[i],
- desc->arg_out_len[i]);
+ }
+ else
+ {
+ char *tmp = (*fmgr_faddr(&(desc->arg_out_func[i])))
+ (pargs->data[i],
+ desc->arg_out_elem[i],
+ desc->arg_out_len[i]);
XPUSHs(sv_2mortal(newSVpv(tmp, 0)));
pfree(tmp);
SPAGAIN;
- if (count !=1) {
- PUTBACK ;
- FREETMPS ;
+ if (count != 1)
+ {
+ PUTBACK;
+ FREETMPS;
LEAVE;
elog(ERROR, "plperl : didn't get a return item from function");
}
- if (SvTRUE(GvSV(errgv))) {
+ if (SvTRUE(GvSV(errgv)))
+ {
POPs;
- PUTBACK ;
- FREETMPS ;
+ PUTBACK;
+ FREETMPS;
LEAVE;
elog(ERROR, "plperl : error from function : %s", SvPV(GvSV(errgv), na));
}
retval = newSVsv(POPs);
- PUTBACK ;
- FREETMPS ;
- LEAVE ;
+ PUTBACK;
+ FREETMPS;
+ LEAVE;
return retval;
**********************************************************************/
static Datum
plperl_func_handler(FmgrInfo *proinfo,
- FmgrValues *proargs,
- bool *isNull)
+ FmgrValues *proargs,
+ bool *isNull)
{
int i;
char internal_proname[512];
- int proname_len;
+ int proname_len;
char *stroid;
plperl_proc_desc *prodesc;
- SV* perlret;
- Datum retval;
+ SV *perlret;
+ Datum retval;
sigjmp_buf save_restart;
/************************************************************
/************************************************************
* Lookup the internal proc name in the hashtable
************************************************************/
- if (! hv_exists(plperl_proc_hash, internal_proname, proname_len))
+ if (!hv_exists(plperl_proc_hash, internal_proname, proname_len))
{
/************************************************************
* If we haven't found it in the hashtable, we analyze
HeapTuple typeTup;
Form_pg_proc procStruct;
Form_pg_type typeStruct;
- SV * proc_internal_def;
+ SV *proc_internal_def;
char proc_internal_args[4096];
char *proc_source;
*
************************************************************/
proc_source = textout(&(procStruct->prosrc));
+
/*
- * the string has been split for readbility.
- * please don't put commas between them. Hope everyone is ANSI
+ * the string has been split for readbility. please don't put
+ * commas between them. Hope everyone is ANSI
*/
proc_internal_def = newSVpvf(
- "$::x = new Safe;"
- "$::x->permit_only(':default');"
- "$::x->share(qw[&elog &DEBUG &NOTICE &NOIND &ERROR]);"
- "use strict;"
- "return $::x->reval( q[ sub { %s } ]);", proc_source);
+ "$::x = new Safe;"
+ "$::x->permit_only(':default');"
+ "$::x->share(qw[&elog &DEBUG &NOTICE &NOIND &ERROR]);"
+ "use strict;"
+ "return $::x->reval( q[ sub { %s } ]);", proc_source);
pfree(proc_source);
/************************************************************
* Add the proc description block to the hashtable
************************************************************/
- hv_store(plperl_proc_hash, internal_proname, proname_len,
- newSViv((IV)prodesc), 0);
+ hv_store(plperl_proc_hash, internal_proname, proname_len,
+ newSViv((IV) prodesc), 0);
}
else
{
* Found the proc description block in the hashtable
************************************************************/
prodesc = (plperl_proc_desc *) SvIV(*hv_fetch(plperl_proc_hash,
- internal_proname, proname_len, 0));
+ internal_proname, proname_len, 0));
}
elog(ERROR, "plperl: SPI_finish() failed");
retval = (Datum) (*fmgr_faddr(&prodesc->result_in_func))
- (SvPV(perlret, na),
- prodesc->result_in_elem,
- prodesc->result_in_len);
+ (SvPV(perlret, na),
+ prodesc->result_in_elem,
+ prodesc->result_in_len);
SvREFCNT_dec(perlret);
memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart));
- if (plperl_restart_in_progress) {
- if (--plperl_call_level == 0 )
+ if (plperl_restart_in_progress)
+ {
+ if (--plperl_call_level == 0)
plperl_restart_in_progress = 0;
- siglongjmp(Warn_restart,1);
+ siglongjmp(Warn_restart, 1);
}
return retval;
#ifdef REALLYHAVEITONTHEBALL
/**********************************************************************
- * plperl_trigger_handler() - Handler for trigger calls
+ * plperl_trigger_handler() - Handler for trigger calls
**********************************************************************/
static HeapTuple
plperl_trigger_handler(FmgrInfo *proinfo)
/* Build the data list for the trigtuple */
plperl_build_tuple_argument(trigdata->tg_trigtuple,
- tupdesc, &tcl_trigtup);
+ tupdesc, &tcl_trigtup);
/*
* Now the command part of the event for TG_op and data for NEW and
Tcl_DStringAppendElement(&tcl_cmd, "UPDATE");
plperl_build_tuple_argument(trigdata->tg_newtuple,
- tupdesc, &tcl_newtup);
+ tupdesc, &tcl_newtup);
Tcl_DStringAppendElement(&tcl_cmd, Tcl_DStringValue(&tcl_newtup));
Tcl_DStringAppendElement(&tcl_cmd, Tcl_DStringValue(&tcl_trigtup));
**********************************************************************/
static int
plperl_elog(ClientData cdata, Tcl_Interp *interp,
- int argc, char *argv[])
+ int argc, char *argv[])
{
int level;
sigjmp_buf save_restart;
**********************************************************************/
static int
plperl_quote(ClientData cdata, Tcl_Interp *interp,
- int argc, char *argv[])
+ int argc, char *argv[])
{
char *tmp;
char *cp1;
**********************************************************************/
static int
plperl_SPI_exec(ClientData cdata, Tcl_Interp *interp,
- int argc, char *argv[])
+ int argc, char *argv[])
{
int spi_rc;
char buf[64];
case SPI_ERROR_ARGUMENT:
Tcl_SetResult(interp,
- "plperl: SPI_exec() failed - SPI_ERROR_ARGUMENT",
+ "plperl: SPI_exec() failed - SPI_ERROR_ARGUMENT",
TCL_VOLATILE);
return TCL_ERROR;
case SPI_ERROR_UNCONNECTED:
Tcl_SetResult(interp,
- "plperl: SPI_exec() failed - SPI_ERROR_UNCONNECTED",
+ "plperl: SPI_exec() failed - SPI_ERROR_UNCONNECTED",
TCL_VOLATILE);
return TCL_ERROR;
case SPI_ERROR_TRANSACTION:
Tcl_SetResult(interp,
- "plperl: SPI_exec() failed - SPI_ERROR_TRANSACTION",
+ "plperl: SPI_exec() failed - SPI_ERROR_TRANSACTION",
TCL_VOLATILE);
return TCL_ERROR;
case SPI_ERROR_OPUNKNOWN:
Tcl_SetResult(interp,
- "plperl: SPI_exec() failed - SPI_ERROR_OPUNKNOWN",
+ "plperl: SPI_exec() failed - SPI_ERROR_OPUNKNOWN",
TCL_VOLATILE);
return TCL_ERROR;
**********************************************************************/
static int
plperl_SPI_prepare(ClientData cdata, Tcl_Interp *interp,
- int argc, char *argv[])
+ int argc, char *argv[])
{
int nargs;
char **args;
**********************************************************************/
static int
plperl_SPI_execp(ClientData cdata, Tcl_Interp *interp,
- int argc, char *argv[])
+ int argc, char *argv[])
{
int spi_rc;
char buf[64];
case SPI_ERROR_ARGUMENT:
Tcl_SetResult(interp,
- "plperl: SPI_exec() failed - SPI_ERROR_ARGUMENT",
+ "plperl: SPI_exec() failed - SPI_ERROR_ARGUMENT",
TCL_VOLATILE);
return TCL_ERROR;
case SPI_ERROR_UNCONNECTED:
Tcl_SetResult(interp,
- "plperl: SPI_exec() failed - SPI_ERROR_UNCONNECTED",
+ "plperl: SPI_exec() failed - SPI_ERROR_UNCONNECTED",
TCL_VOLATILE);
return TCL_ERROR;
case SPI_ERROR_TRANSACTION:
Tcl_SetResult(interp,
- "plperl: SPI_exec() failed - SPI_ERROR_TRANSACTION",
+ "plperl: SPI_exec() failed - SPI_ERROR_TRANSACTION",
TCL_VOLATILE);
return TCL_ERROR;
case SPI_ERROR_OPUNKNOWN:
Tcl_SetResult(interp,
- "plperl: SPI_exec() failed - SPI_ERROR_OPUNKNOWN",
+ "plperl: SPI_exec() failed - SPI_ERROR_OPUNKNOWN",
TCL_VOLATILE);
return TCL_ERROR;
**********************************************************************/
static void
plperl_set_tuple_values(Tcl_Interp *interp, char *arrayname,
- int tupno, HeapTuple tuple, TupleDesc tupdesc)
+ int tupno, HeapTuple tuple, TupleDesc tupdesc)
{
int i;
char *outputstr;
* plperl_build_tuple_argument() - Build a string for a ref to a hash
* from all attributes of a given tuple
**********************************************************************/
-static SV*
+static SV *
plperl_build_tuple_argument(HeapTuple tuple, TupleDesc tupdesc)
{
int i;
- SV* output;
+ SV *output;
Datum attr;
bool isnull;
char *attname;
- char* outputstr;
+ char *outputstr;
HeapTuple typeTup;
Oid typoutput;
Oid typelem;
sv_catpvf(output, "'%s' => '%s',", attname, outputstr);
pfree(outputstr);
- } else {
- sv_catpvf(output, "'%s' => undef,", attname);
}
+ else
+ sv_catpvf(output, "'%s' => undef,", attname);
}
sv_catpv(output, "}");
output = perl_eval_pv(SvPV(output, na), TRUE);
* procedural language
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/pl/plpgsql/src/pl_comp.c,v 1.17 2000/01/20 05:44:34 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/pl/plpgsql/src/pl_comp.c,v 1.18 2000/04/12 17:17:19 momjian Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
* ----------
*/
extern PLPGSQL_YYSTYPE plpgsql_yylval;
-extern char plpgsql_yytext[];
-extern int plpgsql_yylineno;
+extern char plpgsql_yytext[];
+extern int plpgsql_yylineno;
/* ----------
* Our own local and global variables
* procedural language
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/pl/plpgsql/src/pl_exec.c,v 1.19 2000/03/11 06:19:00 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/pl/plpgsql/src/pl_exec.c,v 1.20 2000/04/12 17:17:19 momjian Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
if (plan == NULL) /* utility statement produces this */
return;
- if (! IsA(plan, Result))
+ if (!IsA(plan, Result))
return;
/* ----------
* procedural language (PL)
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/pl/tcl/pltcl.c,v 1.19 2000/02/27 07:18:29 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/pl/tcl/pltcl.c,v 1.20 2000/04/12 17:17:20 momjian Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
#endif /* PLTCL_UNKNOWN_SUPPORT */
Datum pltcl_call_handler(FmgrInfo *proinfo,
- FmgrValues *proargs, bool *isNull);
+ FmgrValues *proargs, bool *isNull);
static Datum pltcl_func_handler(FmgrInfo *proinfo,
FmgrValues *proargs, bool *isNull);
char *stroid;
Tcl_HashEntry *hashent;
int hashnew;
- pltcl_proc_desc * volatile prodesc;
+ pltcl_proc_desc *volatile prodesc;
Tcl_DString tcl_cmd;
Tcl_DString list_tmp;
int tcl_rc;
int hashnew;
pltcl_proc_desc *prodesc;
TupleDesc tupdesc;
- volatile HeapTuple rettup;
+ volatile HeapTuple rettup;
Tcl_DString tcl_cmd;
Tcl_DString tcl_trigtup;
Tcl_DString tcl_newtup;
Tcl_DStringAppendElement(&tcl_trigtup, "");
for (i = 0; i < tupdesc->natts; i++)
Tcl_DStringAppendElement(&tcl_trigtup,
- NameStr(tupdesc->attrs[i]->attname));
+ NameStr(tupdesc->attrs[i]->attname));
Tcl_DStringAppendElement(&tcl_cmd, Tcl_DStringValue(&tcl_trigtup));
Tcl_DStringFree(&tcl_trigtup);
Tcl_DStringInit(&tcl_trigtup);
int spi_rc;
char buf[64];
int count = 0;
- char * volatile arrayname = NULL;
- volatile int query_idx;
+ char *volatile arrayname = NULL;
+ volatile int query_idx;
int i;
int loop_rc;
int ntuples;
- HeapTuple * volatile tuples;
- volatile TupleDesc tupdesc = NULL;
+ HeapTuple *volatile tuples;
+ volatile TupleDesc tupdesc = NULL;
sigjmp_buf save_restart;
char *usage = "syntax error - 'SPI_exec "
int loop_body;
Tcl_HashEntry *hashent;
pltcl_query_desc *qdesc;
- char * volatile nulls = NULL;
- char * volatile arrayname = NULL;
+ char *volatile nulls = NULL;
+ char *volatile arrayname = NULL;
int count = 0;
int callnargs;
static char **callargs = NULL;
int loop_rc;
int ntuples;
- HeapTuple * volatile tuples = NULL;
- volatile TupleDesc tupdesc = NULL;
+ HeapTuple *volatile tuples = NULL;
+ volatile TupleDesc tupdesc = NULL;
sigjmp_buf save_restart;
char *usage = "syntax error - 'SPI_execp "
/*
- * $Header: /cvsroot/pgsql/src/test/regress/regress.c,v 1.35 1999/12/16 22:20:03 wieck Exp $
+ * $Header: /cvsroot/pgsql/src/test/regress/regress.c,v 1.36 2000/04/12 17:17:21 momjian Exp $
*/
#include <float.h> /* faked on sunos */
fieldval = SPI_getvalue(tuple, tupdesc, 1);
fieldtype = SPI_gettype(tupdesc, 1);
- query = (char *) palloc(100 + NAMEDATALEN*3 +
+ query = (char *) palloc(100 + NAMEDATALEN * 3 +
strlen(fieldval) + strlen(fieldtype));
sprintf(query, "insert into %s select * from %s where %s = '%s'::%s",
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/utils/Attic/version.c,v 1.14 2000/01/26 05:58:53 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/utils/Attic/version.c,v 1.15 2000/04/12 17:17:22 momjian Exp $
*
* STANDALONE CODE - do not use error routines as this code is not linked
* with any...
}
else
{
- nread = read(fd, version, sizeof(version)-1);
+ nread = read(fd, version, sizeof(version) - 1);
if (nread < 4 ||
!isdigit(version[0]) ||
- version[nread-1] != '\n')
+ version[nread - 1] != '\n')
{
*reason_p = malloc(100 + strlen(full_path));
sprintf(*reason_p, "File '%s' does not have a valid format "
#include <sys/param.h>
-#endif /* _ENDIAN_H_ */
+#endif /* _ENDIAN_H_ */
char sun_path[108]; /* path name (gag) */
};
-#endif /* _SYS_UN_H */
+#endif /* _SYS_UN_H */
projects / thirdparty / postgresql.git / commitdiff
