-C Fix\sa\sbug\sin\sthe\snew\sfull-sync\sjournal\sformat.\s(CVS\s1733)
-D 2004-06-26T01:48:19
+C Remove\sdefault_synchronous\sand\stemp_store\spragmas.\sAllow\sthe\ssafety-level\nand\scache-size\sto\sbe\sset\sfor\sattached\sdatabases.\s(CVS\s1735)
+D 2004-06-26T06:37:07
F Makefile.in cb7a9889c38723f72b2506c4236ff30a05ff172b
F Makefile.linux-gcc a9e5a0d309fa7c38e7c14d3ecf7690879d3a5457
F README f1de682fbbd94899d50aca13d387d1b3fd3be2dd
F sqlite.1 83f4a9d37bdf2b7ef079a82d54eaf2e3509ee6ea
F sqlite.pc.in 30552343140c53304c2a658c080fbe810cd09ca2
F sqlite3.def 26f4e7b0a3fbaa55701e020fdec429f1594e2866
-F src/attach.c 05102e2e8ac43ce639d07b47a99c7772a62420e6
+F src/attach.c b105aeb8c82fbd097c5067dddde90d5f7fadf8dd
F src/auth.c 60db23b98bb94c8b0178180faaf49dc116674217
F src/btree.c 0591368af031a0ecc4620140dfdaa177b82885a1
F src/btree.h 32f96abef464cf8765b23ca669acfe90d191fcc5
F src/hash.h 762d95f1e567664d1eafc1687de755626be962fb
F src/insert.c d99ffe87e1e1397f4233afcd06841d52d6b17b18
F src/legacy.c ad23746f15f67e34577621b1875f639c94839e1f
-F src/main.c 2a4f3fe32ee6357b5b914ab5e2bd0979202570f4
+F src/main.c 7a5afce156d14727a49b60ffe6ab21bcae27e6f3
F src/md5.c 7ae1c39044b95de2f62e066f47bb1deb880a1070
F src/os.h d1780e0db95cad01f213d48da22ab490eb4fd345
F src/os_common.h ba1b7306e16e2091718f2c48db0fe6c1d7a31bb8
F src/os_win.h babd4e912967c6b09088cfe38a45e8005a07ba44
F src/pager.c e3969171742e7d9681977703feed4853f5ee206a
F src/pager.h bc58d32a9dee464f7268fb68652c130a4216e438
-F src/parse.y 097438674976355a10cf177bd97326c548820b86
-F src/pragma.c 0750e1c360647dbe0a991f16133b0fe5e42e5039
+F src/parse.y e19e066e726a31d7b2d3e6475bdf55f7e339f8a3
+F src/pragma.c 16713c1bc440ccd9982a27fb4b38e1a1c95ffd29
F src/printf.c 3090c8ff397d549bc0de09b16d8ab7fd37a0c3f7
F src/random.c eff68e3f257e05e81eae6c4d50a51eb88beb4ff3
F src/select.c f02a65af34231031896e8442161cb5251e191e75
F src/shell.c 24b641700c9d90f361fcfa4f432c5b4aff704e6d
F src/sqlite.h.in b70fded2bdfeaddfb06adea3888118b722975136
-F src/sqliteInt.h dd796b6abc6d50505fe33c54f0143d7000681a41
+F src/sqliteInt.h ed55c1f149875b6484798381e6933f5f5ad1a4ce
F src/table.c af14284fa36c8d41f6829e3f2819dce07d3e2de2
F src/tclsqlite.c 8d093146332b2f0cbf2a8ebe8597d481619308a3
F src/test1.c e4e0ae8af8040c848ef35f92e6a22b2245b9b873
F test/null.test 64730a1c32955e5cc510b7632fed6b9929a4029a
F test/pager.test 059cc5c58d3b5a851343dff8c56cf7286425d03a
F test/pager2.test 55469c7c1c1a54d6b32d7b3cc99001e90101a1ce
-F test/pragma.test e09ac12edbdac81d21ca88084fef376c7667f5b0
+F test/pragma.test a0dac4320e130e31e855bbdb935645d7c45d6340
F test/printf.test 1eb584b7272d1abdfe117b2ef7cf3376ae8e4e06
F test/progress.test 7542a6ac7894a1b7730c1f9a27f3f8b9388a4d25 x
F test/quick.test 4c0b3eabe2e0e606622d63d7d61ef6efb3ce156b
F www/vdbe.tcl 59288db1ac5c0616296b26dce071c36cb611dfe9
F www/version3.tcl 563ba3ac02f64da27ab17f3edbe8e56bfd0293fb
F www/whentouse.tcl a8335bce47cc2fddb07f19052cb0cb4d9129a8e4
-P dfab1e9ac0fbe57fe4a1cbe6c363ef43b3b075ef
-R e246eb7b8fa1d2e1a6e20fbeb7cc5c16
+P 02bd3acd7efde9cc6b67c97e98db9f4b62d27877
+R 609621fb2d8c2cbffc869dbeea94770a
U danielk1977
-Z ead895d5ca480d6e5d884e35379e8164
+Z 231b7ef4aa565faa68238895f77436c5
-02bd3acd7efde9cc6b67c97e98db9f4b62d27877
\ No newline at end of file
+212de3ce66f746036cb2267a9f924fd55fa2f37a
\ No newline at end of file
*************************************************************************
** This file contains code used to implement the ATTACH and DETACH commands.
**
-** $Id: attach.c,v 1.17 2004/06/19 16:06:11 drh Exp $
+** $Id: attach.c,v 1.18 2004/06/26 06:37:07 danielk1977 Exp $
*/
#include "sqliteInt.h"
sqlite3HashInit(&aNew->trigHash, SQLITE_HASH_STRING, 0);
sqlite3HashInit(&aNew->aFKey, SQLITE_HASH_STRING, 1);
aNew->zName = zName;
+ aNew->safety_level = 3;
rc = sqlite3BtreeFactory(db, zFile, 0, MAX_PAGES, &aNew->pBt);
if( rc ){
sqlite3ErrorMsg(pParse, "unable to open database: %s", zFile);
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
-** $Id: main.c,v 1.233 2004/06/22 12:13:55 drh Exp $
+** $Id: main.c,v 1.234 2004/06/26 06:37:07 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include "os.h"
** meta[0] Schema cookie. Changes with each schema change.
** meta[1] File format of schema layer.
** meta[2] Size of the page cache.
- ** meta[3] Synchronous setting. 1:off, 2:normal, 3:full
+ ** meta[3]
** meta[4] Db text encoding. 1:UTF-8 3:UTF-16 LE 4:UTF-16 BE
- ** meta[5] Pragma temp_store value. See comments on BtreeFactory
+ ** meta[5]
** meta[6]
** meta[7]
** meta[8]
}
}
- if( iDb==0 ){
- size = meta[2];
- if( size==0 ){ size = MAX_PAGES; }
- db->cache_size = size;
- db->safety_level = meta[3];
- if( meta[5]>0 && meta[5]<=2 && db->temp_store==0 ){
- db->temp_store = meta[5];
- }
- if( db->safety_level==0 ) db->safety_level = 2;
+ size = meta[2];
+ if( size==0 ){ size = MAX_PAGES; }
+ db->aDb[iDb].cache_size = size;
+ if( iDb==0 ){
db->file_format = meta[1];
if( db->file_format==0 ){
/* This happens if the database was initially empty */
return SQLITE_ERROR;
}
- sqlite3BtreeSetCacheSize(db->aDb[iDb].pBt, db->cache_size);
- sqlite3BtreeSetSafetyLevel(db->aDb[iDb].pBt, meta[3]==0 ? 2 : meta[3]);
+ sqlite3BtreeSetCacheSize(db->aDb[iDb].pBt, db->aDb[iDb].cache_size);
/* Read the schema information out of the schema tables
*/
** the connection is closed.) If zFilename is NULL then the database
** is for temporary use only and is deleted as soon as the connection
** is closed.
-**
-** A temporary database can be either a disk file (that is automatically
-** deleted when the file is closed) or a set of red-black trees held in memory,
-** depending on the values of the TEMP_STORE compile-time macro and the
-** db->temp_store variable, according to the following chart:
-**
-** TEMP_STORE db->temp_store Location of temporary database
-** ---------- -------------- ------------------------------
-** 0 any file
-** 1 1 file
-** 1 2 memory
-** 1 0 file
-** 2 1 file
-** 2 2 memory
-** 2 0 memory
-** 3 any memory
*/
int sqlite3BtreeFactory(
const sqlite *db, /* Main database when opening aux otherwise 0 */
if( omitJournal ){
btree_flags |= BTREE_OMIT_JOURNAL;
}
- if( !zFilename ){
+ if( !zFilename || !strcmp(zFilename, ":memory:") ){
+ /* If zFilename is NULL or the magic string ":memory:" then the
+ ** new btree storest data in main memory, not a file.
+ */
btree_flags |= BTREE_MEMORY;
}
sqlite3_create_collation(db, "NOCASE", SQLITE_UTF8, 0, nocaseCollatingFunc);
/* Open the backend database driver */
- if( zFilename[0]==':' && strcmp(zFilename,":memory:")==0 ){
- db->temp_store = 2;
- db->nMaster = 0; /* Disable atomic multi-file commit for :memory: */
- }else{
- db->nMaster = -1; /* Size of master journal filename initially unknown */
- }
rc = sqlite3BtreeFactory(db, zFilename, 0, MAX_PAGES, &db->aDb[0].pBt);
if( rc!=SQLITE_OK ){
sqlite3Error(db, rc, 0);
db->aDb[0].zName = "main";
db->aDb[1].zName = "temp";
+ /* The default safety_level for the main database is 'full' for the temp
+ ** database it is 'NONE'. This matches the pager layer defaults. */
+ db->aDb[0].safety_level = 3;
+ db->aDb[1].safety_level = 1;
+
/* Register all built-in functions, but do not attempt to read the
** database schema yet. This is delayed until the first time the database
** is accessed.
** the parser. Lemon will also generate a header file containing
** numeric codes for all of the tokens.
**
-** @(#) $Id: parse.y,v 1.127 2004/06/09 09:55:18 danielk1977 Exp $
+** @(#) $Id: parse.y,v 1.128 2004/06/26 06:37:07 danielk1977 Exp $
*/
%token_prefix TK_
%token_type {Token}
///////////////////////////// The PRAGMA command /////////////////////////////
//
-cmd ::= PRAGMA ids(X) EQ nm(Y). {sqlite3Pragma(pParse,&X,&Y,0);}
-cmd ::= PRAGMA ids(X) EQ ON(Y). {sqlite3Pragma(pParse,&X,&Y,0);}
-cmd ::= PRAGMA ids(X) EQ plus_num(Y). {sqlite3Pragma(pParse,&X,&Y,0);}
-cmd ::= PRAGMA ids(X) EQ minus_num(Y). {sqlite3Pragma(pParse,&X,&Y,1);}
-cmd ::= PRAGMA ids(X) LP nm(Y) RP. {sqlite3Pragma(pParse,&X,&Y,0);}
-cmd ::= PRAGMA ids(X). {sqlite3Pragma(pParse,&X,&X,0);}
+cmd ::= PRAGMA nm(X) dbnm(Z) EQ nm(Y). {sqlite3Pragma(pParse,&X,&Z,&Y,0);}
+cmd ::= PRAGMA nm(X) dbnm(Z) EQ ON(Y). {sqlite3Pragma(pParse,&X,&Z,&Y,0);}
+cmd ::= PRAGMA nm(X) dbnm(Z) EQ plus_num(Y). {sqlite3Pragma(pParse,&X,&Z,&Y,0);}
+cmd ::= PRAGMA nm(X) dbnm(Z) EQ minus_num(Y). {
+ sqlite3Pragma(pParse,&X,&Z,&Y,1);
+}
+cmd ::= PRAGMA nm(X) dbnm(Z) LP nm(Y) RP. {sqlite3Pragma(pParse,&X,&Z,&Y,0);}
+cmd ::= PRAGMA nm(X) dbnm(Z). {sqlite3Pragma(pParse,&X,&Z,0,0);}
plus_num(A) ::= plus_opt number(X). {A = X;}
minus_num(A) ::= MINUS number(X). {A = X;}
number(A) ::= INTEGER(X). {A = X;}
*************************************************************************
** This file contains code used to implement the PRAGMA command.
**
-** $Id: pragma.c,v 1.52 2004/06/21 09:06:42 danielk1977 Exp $
+** $Id: pragma.c,v 1.53 2004/06/26 06:37:07 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
return 1;
}
-/*
-** Interpret the given string as a temp db location. Return 1 for file
-** backed temporary databases, 2 for the Red-Black tree in memory database
-** and 0 to use the compile-time default.
-*/
-static int getTempStore(const char *z){
- if( z[0]>='0' && z[0]<='2' ){
- return z[0] - '0';
- }else if( sqlite3StrICmp(z, "file")==0 ){
- return 1;
- }else if( sqlite3StrICmp(z, "memory")==0 ){
- return 2;
- }else{
- return 0;
- }
-}
-
-/*
-** If the TEMP database is open, close it and mark the database schema
-** as needing reloading. This must be done when using the TEMP_STORE
-** or DEFAULT_TEMP_STORE pragmas.
-*/
-static int changeTempStorage(Parse *pParse, const char *zStorageType){
- int ts = getTempStore(zStorageType);
- sqlite *db = pParse->db;
- if( db->temp_store==ts ) return SQLITE_OK;
- if( db->aDb[1].pBt!=0 ){
- if( !db->autoCommit ){
- sqlite3ErrorMsg(pParse, "temporary storage cannot be changed "
- "from within a transaction");
- return SQLITE_ERROR;
- }
- sqlite3BtreeClose(db->aDb[1].pBt);
- db->aDb[1].pBt = 0;
- sqlite3ResetInternalSchema(db, 0);
- }
- db->temp_store = ts;
- return SQLITE_OK;
-}
-
/*
** Check to see if zRight and zLeft refer to a pragma that queries
** or changes one of the flags in db->flags. Return 1 if so and 0 if not.
**
** Pragmas are of this form:
**
-** PRAGMA id = value
+** PRAGMA [database.]id [= value]
**
** The identifier might also be a string. The value is a string, and
** identifier, or a number. If minusFlag is true, then the value is
** a number that was preceded by a minus sign.
*/
-void sqlite3Pragma(Parse *pParse, Token *pLeft, Token *pRight, int minusFlag){
- char *zLeft = 0;
- char *zRight = 0;
+void sqlite3Pragma(
+ Parse *pParse,
+ Token *pId1, /* First part of [database.]id field */
+ Token *pId2, /* Second part of [database.]id field, or NULL */
+ Token *pValue, /* Token for <value>, or NULL */
+ int minusFlag /* True if a '-' sign preceded <value> */
+){
+ char *zLeft = 0; /* Nul-terminated UTF-8 string <id> */
+ char *zRight = 0; /* Nul-terminated UTF-8 string <value>, or NULL */
+ const char *zDb = 0; /* The database name */
+ Token *pId; /* Pointer to <id> token */
+ int iDb; /* Database index for <database> */
sqlite *db = pParse->db;
Vdbe *v = sqlite3GetVdbe(pParse);
if( v==0 ) return;
- zLeft = sqlite3NameFromToken(pLeft);
+ /* Interpret the [database.] part of the pragma statement. iDb is the
+ ** index of the database this pragma is being applied to in db.aDb[]. */
+ iDb = sqlite3TwoPartName(pParse, pId1, pId2, &pId);
+ if( iDb<0 ) return;
+
+ zLeft = sqlite3NameFromToken(pId);
if( minusFlag ){
zRight = 0;
- sqlite3SetNString(&zRight, "-", 1, pRight->z, pRight->n, 0);
+ sqlite3SetNString(&zRight, "-", 1, pValue->z, pValue->n, 0);
}else{
- zRight = sqlite3NameFromToken(pRight);
+ zRight = sqlite3NameFromToken(pValue);
}
- if( sqlite3AuthCheck(pParse, SQLITE_PRAGMA, zLeft, zRight, 0) ){
+
+ zDb = ((iDb>0)?db->aDb[iDb].zName:0);
+ if( sqlite3AuthCheck(pParse, SQLITE_PRAGMA, zLeft, zRight, zDb) ){
goto pragma_out;
}
*/
if( sqlite3StrICmp(zLeft,"default_cache_size")==0 ){
static VdbeOpList getCacheSize[] = {
- { OP_ReadCookie, 0, 2, 0},
+ { OP_ReadCookie, 0, 2, 0}, /* 0 */
{ OP_AbsValue, 0, 0, 0},
{ OP_Dup, 0, 0, 0},
{ OP_Integer, 0, 0, 0},
pParse->nErr++;
goto pragma_out;
}
- if( pRight->z==pLeft->z ){
+ if( !zRight ){
sqlite3VdbeSetNumCols(v, 1);
sqlite3VdbeSetColName(v, 0, "cache_size", P3_STATIC);
addr = sqlite3VdbeAddOpList(v, ArraySize(getCacheSize), getCacheSize);
+ sqlite3VdbeChangeP1(v, addr, iDb);
sqlite3VdbeChangeP1(v, addr+5, MAX_PAGES);
}else{
int size = atoi(zRight);
if( size<0 ) size = -size;
- sqlite3BeginWriteOperation(pParse, 0, 0);
+ sqlite3BeginWriteOperation(pParse, 0, iDb);
sqlite3VdbeAddOp(v, OP_Integer, size, 0);
- sqlite3VdbeAddOp(v, OP_ReadCookie, 0, 2);
+ sqlite3VdbeAddOp(v, OP_ReadCookie, iDb, 2);
addr = sqlite3VdbeAddOp(v, OP_Integer, 0, 0);
sqlite3VdbeAddOp(v, OP_Ge, 0, addr+3);
sqlite3VdbeAddOp(v, OP_Negative, 0, 0);
- sqlite3VdbeAddOp(v, OP_SetCookie, 0, 2);
+ sqlite3VdbeAddOp(v, OP_SetCookie, iDb, 2);
sqlite3EndWriteOperation(pParse);
- db->cache_size = db->cache_size<0 ? -size : size;
- sqlite3BtreeSetCacheSize(db->aDb[0].pBt, db->cache_size);
+ db->aDb[iDb].cache_size = size;
+ sqlite3BtreeSetCacheSize(db->aDb[iDb].pBt, db->aDb[iDb].cache_size);
}
}else
pParse->nErr++;
goto pragma_out;
}
- if( pRight->z==pLeft->z ){
- int size = db->cache_size;;
- if( size<0 ) size = -size;
+ if( !zRight ){
+ int size = db->aDb[iDb].cache_size;
+ assert( size>0 );
sqlite3VdbeAddOp(v, OP_Integer, size, 0);
sqlite3VdbeSetNumCols(v, 1);
sqlite3VdbeSetColName(v, 0, "cache_size", P3_STATIC);
}else{
int size = atoi(zRight);
if( size<0 ) size = -size;
- if( db->cache_size<0 ) size = -size;
- db->cache_size = size;
- sqlite3BtreeSetCacheSize(db->aDb[0].pBt, db->cache_size);
- }
- }else
-
- /*
- ** PRAGMA default_synchronous
- ** PRAGMA default_synchronous=ON|OFF|NORMAL|FULL
- **
- ** The first form returns the persistent value of the "synchronous" setting
- ** that is stored in the database. This is the synchronous setting that
- ** is used whenever the database is opened unless overridden by a separate
- ** "synchronous" pragma. The second form changes the persistent and the
- ** local synchronous setting to the value given.
- **
- ** If synchronous is OFF, SQLite does not attempt any fsync() systems calls
- ** to make sure data is committed to disk. Write operations are very fast,
- ** but a power failure can leave the database in an inconsistent state.
- ** If synchronous is ON or NORMAL, SQLite will do an fsync() system call to
- ** make sure data is being written to disk. The risk of corruption due to
- ** a power loss in this mode is negligible but non-zero. If synchronous
- ** is FULL, extra fsync()s occur to reduce the risk of corruption to near
- ** zero, but with a write performance penalty. The default mode is NORMAL.
- */
- if( sqlite3StrICmp(zLeft,"default_synchronous")==0 ){
- static VdbeOpList getSync[] = {
- { OP_ReadCookie, 0, 3, 0},
- { OP_Dup, 0, 0, 0},
- { OP_If, 0, 0, 0}, /* 2 */
- { OP_ReadCookie, 0, 2, 0},
- { OP_Integer, 0, 0, 0},
- { OP_Lt, 0, 5, 0},
- { OP_AddImm, 1, 0, 0},
- { OP_Callback, 1, 0, 0},
- { OP_Halt, 0, 0, 0},
- { OP_AddImm, -1, 0, 0}, /* 9 */
- { OP_Callback, 1, 0, 0}
- };
- int addr;
- if( SQLITE_OK!=sqlite3ReadSchema(pParse->db, &pParse->zErrMsg) ){
- pParse->nErr++;
- goto pragma_out;
- }
- if( pRight->z==pLeft->z ){
- sqlite3VdbeSetNumCols(v, 1);
- sqlite3VdbeSetColName(v, 0, "synchronous", P3_STATIC);
- addr = sqlite3VdbeAddOpList(v, ArraySize(getSync), getSync);
- sqlite3VdbeChangeP2(v, addr+2, addr+9);
- }else{
- int size = db->cache_size;
- if( size<0 ) size = -size;
- sqlite3BeginWriteOperation(pParse, 0, 0);
- sqlite3VdbeAddOp(v, OP_ReadCookie, 0, 2);
- sqlite3VdbeAddOp(v, OP_Dup, 0, 0);
- addr = sqlite3VdbeAddOp(v, OP_Integer, 0, 0);
- sqlite3VdbeAddOp(v, OP_Ne, 0, addr+3);
- sqlite3VdbeAddOp(v, OP_AddImm, MAX_PAGES, 0);
- sqlite3VdbeAddOp(v, OP_AbsValue, 0, 0);
- db->safety_level = getSafetyLevel(zRight)+1;
- if( db->safety_level==1 ){
- sqlite3VdbeAddOp(v, OP_Negative, 0, 0);
- size = -size;
- }
- sqlite3VdbeAddOp(v, OP_SetCookie, 0, 2);
- sqlite3VdbeAddOp(v, OP_Integer, db->safety_level, 0);
- sqlite3VdbeAddOp(v, OP_SetCookie, 0, 3);
- sqlite3EndWriteOperation(pParse);
- db->cache_size = size;
- sqlite3BtreeSetCacheSize(db->aDb[0].pBt, db->cache_size);
- sqlite3BtreeSetSafetyLevel(db->aDb[0].pBt, db->safety_level);
+ db->aDb[iDb].cache_size = size;
+ sqlite3BtreeSetCacheSize(db->aDb[iDb].pBt, db->aDb[iDb].cache_size);
}
}else
pParse->nErr++;
goto pragma_out;
}
- if( pRight->z==pLeft->z ){
+ if( !zRight ){
sqlite3VdbeSetNumCols(v, 1);
sqlite3VdbeSetColName(v, 0, "synchronous", P3_STATIC);
- sqlite3VdbeAddOp(v, OP_Integer, db->safety_level-1, 0);
+ sqlite3VdbeAddOp(v, OP_Integer, db->aDb[iDb].safety_level-1, 0);
sqlite3VdbeAddOpList(v, ArraySize(getSync), getSync);
}else{
- int size = db->cache_size;
- if( size<0 ) size = -size;
- db->safety_level = getSafetyLevel(zRight)+1;
- if( db->safety_level==1 ) size = -size;
- db->cache_size = size;
- sqlite3BtreeSetCacheSize(db->aDb[0].pBt, db->cache_size);
- sqlite3BtreeSetSafetyLevel(db->aDb[0].pBt, db->safety_level);
+ if( !db->autoCommit ){
+ sqlite3ErrorMsg(pParse,
+ "Safety level may not be changed inside a transaction");
+ }else{
+ db->aDb[iDb].safety_level = getSafetyLevel(zRight)+1;
+ sqlite3BtreeSetSafetyLevel(db->aDb[iDb].pBt,db->aDb[iDb].safety_level);
+ }
}
}else
/* The flagPragma() call also generates any necessary code */
}else
+ /*
+ ** PRAGMA table_info(<table>)
+ **
+ ** Return a single row for each column of the named table. The columns of
+ ** the returned data set are:
+ **
+ ** cid: Column id (numbered from left to right, starting at 0)
+ ** name: Column name
+ ** type: Column declaration type.
+ ** notnull: True if 'NOT NULL' is part of column declaration
+ ** dflt_value: The default value for the column, if any.
+ */
if( sqlite3StrICmp(zLeft, "table_info")==0 ){
Table *pTab;
if( SQLITE_OK!=sqlite3ReadSchema(pParse->db, &pParse->zErrMsg) ){
}
}else
-
- /*
- ** PRAGMA temp_store
- ** PRAGMA temp_store = "default"|"memory"|"file"
- **
- ** Return or set the local value of the temp_store flag. Changing
- ** the local value does not make changes to the disk file and the default
- ** value will be restored the next time the database is opened.
- **
- ** Note that it is possible for the library compile-time options to
- ** override this setting
- */
- if( sqlite3StrICmp(zLeft, "temp_store")==0 ){
- static VdbeOpList getTmpDbLoc[] = {
- { OP_Callback, 1, 0, 0},
- };
- if( SQLITE_OK!=sqlite3ReadSchema(pParse->db, &pParse->zErrMsg) ){
- pParse->nErr++;
- goto pragma_out;
- }
- if( pRight->z==pLeft->z ){
- sqlite3VdbeAddOp(v, OP_Integer, db->temp_store, 0);
- sqlite3VdbeSetNumCols(v, 1);
- sqlite3VdbeSetColName(v, 0, "temp_store", P3_STATIC);
- sqlite3VdbeAddOpList(v, ArraySize(getTmpDbLoc), getTmpDbLoc);
- }else{
- changeTempStorage(pParse, zRight);
- }
- }else
-
- /*
- ** PRAGMA default_temp_store
- ** PRAGMA default_temp_store = "default"|"memory"|"file"
- **
- ** Return or set the value of the persistent temp_store flag. Any
- ** change does not take effect until the next time the database is
- ** opened.
- **
- ** Note that it is possible for the library compile-time options to
- ** override this setting
- */
- if( sqlite3StrICmp(zLeft, "default_temp_store")==0 ){
- static VdbeOpList getTmpDbLoc[] = {
- { OP_ReadCookie, 0, 5, 0},
- { OP_Callback, 1, 0, 0}};
- if( SQLITE_OK!=sqlite3ReadSchema(pParse->db, &pParse->zErrMsg) ){
- pParse->nErr++;
- goto pragma_out;
- }
- if( pRight->z==pLeft->z ){
- sqlite3VdbeSetNumCols(v, 1);
- sqlite3VdbeSetColName(v, 0, "temp_store", P3_STATIC);
- sqlite3VdbeAddOpList(v, ArraySize(getTmpDbLoc), getTmpDbLoc);
- }else{
- sqlite3BeginWriteOperation(pParse, 0, 0);
- sqlite3VdbeAddOp(v, OP_Integer, getTempStore(zRight), 0);
- sqlite3VdbeAddOp(v, OP_SetCookie, 0, 5);
- sqlite3EndWriteOperation(pParse);
- }
- }else
-
#ifndef NDEBUG
if( sqlite3StrICmp(zLeft, "parser_trace")==0 ){
extern void sqlite3ParserTrace(FILE*, char *);
};
struct EncName *pEnc;
encnames[6].enc = encnames[7].enc = SQLITE_UTF16NATIVE;
- if( pRight->z==pLeft->z ){ /* "PRAGMA encoding" */
+ if( !zRight ){ /* "PRAGMA encoding" */
if( SQLITE_OK!=sqlite3ReadSchema(pParse->db, &pParse->zErrMsg) ){
pParse->nErr++;
goto pragma_out;
*************************************************************************
** Internal interface definitions for SQLite.
**
-** @(#) $Id: sqliteInt.h,v 1.299 2004/06/22 12:13:55 drh Exp $
+** @(#) $Id: sqliteInt.h,v 1.300 2004/06/26 06:37:07 danielk1977 Exp $
*/
#ifndef _SQLITEINT_H_
#define _SQLITEINT_H_
*/
#define MAX_ATTACHED 10
-/*
-** The next macro is used to determine where TEMP tables and indices
-** are stored. Possible values:
-**
-** 0 Always use a temporary files
-** 1 Use a file unless overridden by "PRAGMA temp_store"
-** 2 Use memory unless overridden by "PRAGMA temp_store"
-** 3 Always use memory
-*/
-#ifndef TEMP_STORE
-# define TEMP_STORE 1
-#endif
-
/*
** When building SQLite for embedded systems where memory is scarce,
** you can define one or more of the following macros to omit extra
Hash aFKey; /* Foreign keys indexed by to-table */
u8 inTrans; /* 0: not writable. 1: Transaction. 2: Checkpoint */
u16 flags; /* Flags associated with this database */
+ u8 safety_level; /* How aggressive at synching data to disk */
+ int cache_size; /* Number of pages to use in the cache */
void *pAux; /* Auxiliary data. Usually NULL */
void (*xFreeAux)(void*); /* Routine to free pAux */
};
/*
** Each database is an instance of the following structure.
**
-** The sqlite.temp_store determines where temporary database files
-** are stored. If 1, then a file is created to hold those tables. If
-** 2, then they are held in memory. 0 means use the default value in
-** the TEMP_STORE macro.
-**
** The sqlite.lastRowid records the last insert rowid generated by an
** insert statement. Inserts on views do not affect its value. Each
** trigger has its own context, so that lastRowid can be updated inside
Db aDbStatic[2]; /* Static space for the 2 default backends */
int flags; /* Miscellanous flags. See below */
u8 file_format; /* What file format version is this database? */
- u8 safety_level; /* How aggressive at synching data to disk */
- u8 temp_store; /* 1=file, 2=memory, 0=compile-time default */
- int cache_size; /* Number of pages to use in the cache */
int nTable; /* Number of tables in the database */
BusyHandler busyHandler; /* Busy callback */
void *pCommitArg; /* Argument to xCommitCallback() */
ExprList *sqlite3ExprListAppend(ExprList*,Expr*,Token*);
void sqlite3ExprListDelete(ExprList*);
int sqlite3Init(sqlite*, char**);
-void sqlite3Pragma(Parse*,Token*,Token*,int);
+void sqlite3Pragma(Parse*,Token*,Token*,Token*,int);
void sqlite3ResetInternalSchema(sqlite*, int);
void sqlite3BeginParse(Parse*,int);
void sqlite3RollbackInternalChanges(sqlite*);
#
# This file implements tests for the PRAGMA command.
#
-# $Id: pragma.test,v 1.13 2004/06/19 00:16:31 drh Exp $
+# $Id: pragma.test,v 1.14 2004/06/26 06:37:07 danielk1977 Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
+# Test organization:
+#
+# pragma-1.*: Test cache_size, default_cache_size and synchronous on main db.
+# pragma-2.*: Test synchronous on attached db.
+# pragma-3.*: Test detection of table/index inconsistency by integrity_check.
+# pragma-4.*: Test cache_size and default_cache_size on attached db.
+# pragma-5.*: Test that pragma synchronous may not be used inside of a
+# transaction.
+#
+
# Delete the preexisting database to avoid the special setup
# that the "all.test" script does.
#
PRAGMA cache_size;
PRAGMA default_cache_size;
PRAGMA synchronous;
- PRAGMA default_synchronous;
}
-} {2000 2000 1 1}
+} {2000 2000 2}
do_test pragma-1.2 {
execsql {
PRAGMA cache_size=1234;
PRAGMA cache_size;
PRAGMA default_cache_size;
PRAGMA synchronous;
- PRAGMA default_synchronous;
}
-} {1234 2000 1 1}
+} {1234 2000 2}
do_test pragma-1.3 {
db close
sqlite3 db test.db
PRAGMA cache_size;
PRAGMA default_cache_size;
PRAGMA synchronous;
- PRAGMA default_synchronous;
}
-} {2000 2000 1 1}
+} {2000 2000 2}
do_test pragma-1.4 {
execsql {
PRAGMA synchronous=OFF;
PRAGMA cache_size;
PRAGMA default_cache_size;
PRAGMA synchronous;
- PRAGMA default_synchronous;
}
-} {2000 2000 0 1}
+} {2000 2000 0}
do_test pragma-1.5 {
execsql {
PRAGMA cache_size=4321;
PRAGMA cache_size;
PRAGMA default_cache_size;
PRAGMA synchronous;
- PRAGMA default_synchronous;
}
-} {4321 2000 0 1}
+} {4321 2000 0}
do_test pragma-1.6 {
execsql {
PRAGMA synchronous=ON;
PRAGMA cache_size;
PRAGMA default_cache_size;
PRAGMA synchronous;
- PRAGMA default_synchronous;
}
-} {4321 2000 1 1}
+} {4321 2000 1}
do_test pragma-1.7 {
db close
sqlite3 db test.db
PRAGMA cache_size;
PRAGMA default_cache_size;
PRAGMA synchronous;
- PRAGMA default_synchronous;
}
-} {2000 2000 1 1}
+} {2000 2000 2}
do_test pragma-1.8 {
- execsql {
- PRAGMA default_synchronous=OFF;
- PRAGMA cache_size;
- PRAGMA default_cache_size;
- PRAGMA synchronous;
- PRAGMA default_synchronous;
- }
-} {2000 2000 0 0}
-do_test pragma-1.9 {
execsql {
PRAGMA default_cache_size=123;
PRAGMA cache_size;
PRAGMA default_cache_size;
PRAGMA synchronous;
- PRAGMA default_synchronous;
}
-} {123 123 0 0}
-do_test pragma-1.10 {
+} {123 123 2}
+do_test pragma-1.9 {
db close
set ::DB [sqlite3 db test.db]
execsql {
PRAGMA cache_size;
PRAGMA default_cache_size;
PRAGMA synchronous;
- PRAGMA default_synchronous;
}
-} {123 123 0 0}
-do_test pragma-1.11 {
+} {123 123 2}
+do_test pragma-1.10 {
execsql {
PRAGMA synchronous=NORMAL;
PRAGMA cache_size;
PRAGMA default_cache_size;
PRAGMA synchronous;
- PRAGMA default_synchronous;
}
-} {123 123 1 0}
-do_test pragma-1.12 {
+} {123 123 1}
+do_test pragma-1.11 {
execsql {
PRAGMA synchronous=FULL;
PRAGMA cache_size;
PRAGMA default_cache_size;
PRAGMA synchronous;
- PRAGMA default_synchronous;
}
-} {123 123 2 0}
-do_test pragma-1.13 {
+} {123 123 2}
+do_test pragma-1.12 {
db close
set ::DB [sqlite3 db test.db]
execsql {
PRAGMA cache_size;
PRAGMA default_cache_size;
PRAGMA synchronous;
- PRAGMA default_synchronous;
}
-} {123 123 0 0}
-do_test pragma-1.14 {
+} {123 123 2}
+
+# Test modifying the safety_level of an attached database.
+do_test pragma-2.1 {
+ file delete -force test2.db
+ file delete -force test2.db-journal
execsql {
- PRAGMA default_synchronous=FULL;
- PRAGMA cache_size;
- PRAGMA default_cache_size;
- PRAGMA synchronous;
- PRAGMA default_synchronous;
- }
-} {123 123 2 2}
-do_test pragma-1.15 {
- db close
- set ::DB [sqlite3 db test.db]
+ ATTACH 'test2.db' AS aux;
+ }
+} {}
+do_test pragma-2.2 {
execsql {
- PRAGMA cache_size;
- PRAGMA default_cache_size;
- PRAGMA synchronous;
- PRAGMA default_synchronous;
- }
-} {123 123 2 2}
+ pragma aux.synchronous;
+ }
+} {2}
+do_test pragma-2.3 {
+ execsql {
+ pragma aux.synchronous = OFF;
+ pragma aux.synchronous;
+ pragma synchronous;
+ }
+} {0 2}
+do_test pragma-2.4 {
+ execsql {
+ pragma aux.synchronous = ON;
+ pragma synchronous;
+ pragma aux.synchronous;
+ }
+} {2 1}
# Construct a corrupted index and make sure the integrity_check
# pragma finds it.
} {{rowid 1 missing from index i2} {wrong # of entries in index i2}}
}; # endif has-codec
-# Test the temp_store and default_temp_store pragmas
-#
+do_test pragma-3.3 {
+ execsql {
+ DROP INDEX i2;
+ }
+} {}
+
+# Test modifying the cache_size of an attached database.
+do_test pragma-4.1 {
+ execsql {
+ pragma aux.cache_size;
+ pragma aux.default_cache_size;
+ }
+} {2000 2000}
do_test pragma-4.2 {
execsql {
- PRAGMA temp_store='default';
- PRAGMA temp_store;
- }
-} {0}
+ pragma aux.cache_size = 50;
+ pragma aux.cache_size;
+ pragma aux.default_cache_size;
+ }
+} {50 2000}
do_test pragma-4.3 {
execsql {
- PRAGMA temp_store='file';
- PRAGMA temp_store;
- }
-} {1}
+ pragma aux.default_cache_size = 456;
+ pragma aux.cache_size;
+ pragma aux.default_cache_size;
+ }
+} {456 456}
do_test pragma-4.4 {
execsql {
- PRAGMA temp_store='memory';
- PRAGMA temp_store;
- }
-} {2}
+ pragma cache_size;
+ pragma default_cache_size;
+ }
+} {123 123}
do_test pragma-4.5 {
execsql {
- PRAGMA default_temp_store='default';
- PRAGMA default_temp_store;
- }
-} {0}
+ DETACH aux;
+ ATTACH 'test3.db' AS aux;
+ pragma aux.cache_size;
+ pragma aux.default_cache_size;
+ }
+} {2000 2000}
do_test pragma-4.6 {
execsql {
- PRAGMA temp_store;
- }
-} {2}
-do_test pragma-4.7 {
- db close
- sqlite3 db test.db
- execsql {
- PRAGMA temp_store;
- }
-} {0}
-do_test pragma-4.8 {
- execsql {
- PRAGMA default_temp_store;
- }
-} {0}
-do_test pragma-4.9 {
- execsql {
- PRAGMA default_temp_store='file';
- PRAGMA default_temp_store;
- }
-} {1}
-do_test pragma-4.10 {
- execsql {
- PRAGMA temp_store;
- }
-} {0}
-do_test pragma-4.11 {
- db close
- sqlite3 db test.db
- execsql {
- PRAGMA temp_store;
- }
-} {1}
-do_test pragma-4.12 {
- execsql {
- PRAGMA default_temp_store;
- }
-} {1}
-do_test pragma-4.13 {
- execsql {
- PRAGMA default_temp_store='memory';
- PRAGMA default_temp_store;
- }
-} {2}
-do_test pragma-4.14 {
- execsql {
- PRAGMA temp_store;
- }
-} {1}
-do_test pragma-4.15 {
- db close
- sqlite3 db test.db
- execsql {
- PRAGMA temp_store;
- }
-} {2}
-do_test pragma-4.16 {
- execsql {
- PRAGMA default_temp_store;
- }
-} {2}
-do_test pragma-4.17 {
- execsql {
- PRAGMA temp_store='file';
- PRAGMA temp_store
- }
-} {1}
-do_test pragma-4.18 {
- execsql {
- PRAGMA default_temp_store
- }
-} {2}
-do_test pragma-4.19 {
- db close
- sqlite3 db test.db
- execsql {
- PRAGMA temp_store
- }
-} {2}
+ DETACH aux;
+ ATTACH 'test2.db' AS aux;
+ pragma aux.cache_size;
+ pragma aux.default_cache_size;
+ }
+} {456 456}
-# Changing the TEMP_STORE deletes any existing temporary tables
-#
-do_test pragma-4.20 {
- execsql {SELECT name FROM sqlite_temp_master}
-} {}
-do_test pragma-4.21 {
- execsql {
- CREATE TEMP TABLE test1(a,b,c);
- SELECT name FROM sqlite_temp_master;
- }
-} {test1}
-do_test pragma-4.22 {
+# Test that modifying the sync-level in the middle of a transaction is
+# disallowed.
+do_test pragma-5.0 {
execsql {
- PRAGMA temp_store='file';
- SELECT name FROM sqlite_temp_master;
- }
-} {}
-do_test pragma-4.23 {
- execsql {
- CREATE TEMP TABLE test1(a,b,c);
- SELECT name FROM sqlite_temp_master;
- }
-} {test1}
-do_test pragma-4.24 {
- execsql {
- PRAGMA temp_store='memory';
- SELECT name FROM sqlite_temp_master;
- }
-} {}
-do_test pragma-4.25 {
+ pragma synchronous;
+ }
+} {2}
+do_test pragma-5.1 {
catchsql {
BEGIN;
- PRAGMA temp_store='default';
- COMMIT;
- }
-} {1 {temporary storage cannot be changed from within a transaction}}
-catchsql {COMMIT}
+ pragma synchronous = OFF;
+ }
+} {1 {Safety level may not be changed inside a transaction}}
+do_test pragma-5.2 {
+ execsql {
+ pragma synchronous;
+ }
+} {2}
finish_test