*/
#include "sqliteInt.h"
+#if !defined(SQLITE_ENABLE_LOCKING_STYLE)
+# if defined(__APPLE__)
+# define SQLITE_ENABLE_LOCKING_STYLE 1
+# else
+# define SQLITE_ENABLE_LOCKING_STYLE 0
+# endif
+#endif
+
+/***************************************************************************
+** The next block of code, including the PragTyp_XXXX macro definitions and
+** the aPragmaName[] object is composed of generated code. DO NOT EDIT.
+**
+** To add new pragmas, edit the code in ../tool/mkpragmatab.tcl and rerun
+** that script. Then copy/paste the output in place of the following:
+*/
+#define PragTyp_HEADER_VALUE 0
+#define PragTyp_AUTO_VACUUM 1
+#define PragTyp_FLAG 2
+#define PragTyp_BUSY_TIMEOUT 3
+#define PragTyp_CACHE_SIZE 4
+#define PragTyp_CASE_SENSITIVE_LIKE 5
+#define PragTyp_COLLATION_LIST 6
+#define PragTyp_COMPILE_OPTIONS 7
+#define PragTyp_DATA_STORE_DIRECTORY 8
+#define PragTyp_DATABASE_LIST 9
+#define PragTyp_DEFAULT_CACHE_SIZE 10
+#define PragTyp_ENCODING 11
+#define PragTyp_FOREIGN_KEY_CHECK 12
+#define PragTyp_FOREIGN_KEY_LIST 13
+#define PragTyp_INCREMENTAL_VACUUM 14
+#define PragTyp_INDEX_INFO 15
+#define PragTyp_INDEX_LIST 16
+#define PragTyp_INTEGRITY_CHECK 17
+#define PragTyp_JOURNAL_MODE 18
+#define PragTyp_JOURNAL_SIZE_LIMIT 19
+#define PragTyp_LOCK_PROXY_FILE 20
+#define PragTyp_LOCKING_MODE 21
+#define PragTyp_PAGE_COUNT 22
+#define PragTyp_MMAP_SIZE 23
+#define PragTyp_PAGE_SIZE 24
+#define PragTyp_SECURE_DELETE 25
+#define PragTyp_SHRINK_MEMORY 26
+#define PragTyp_SYNCHRONOUS 27
+#define PragTyp_TABLE_INFO 28
+#define PragTyp_TEMP_STORE 29
+#define PragTyp_TEMP_STORE_DIRECTORY 30
+#define PragTyp_WAL_AUTOCHECKPOINT 31
+#define PragTyp_WAL_CHECKPOINT 32
+#define PragTyp_ACTIVATE_EXTENSIONS 33
+#define PragTyp_HEXKEY 34
+#define PragTyp_KEY 35
+#define PragTyp_REKEY 36
+#define PragTyp_LOCK_STATUS 37
+#define PragTyp_PARSER_TRACE 38
+static const struct sPragmaNames {
+ const char const *zName; /* Name of pragma */
+ int ePragTyp; /* PragTyp_XXX value */
+ u32 iArg; /* Extra argument */
+} aPragmaNames[] = {
+#if defined(SQLITE_HAS_CODEC) || defined(SQLITE_ENABLE_CEROD)
+ { "activate_extensions", PragTyp_ACTIVATE_EXTENSIONS, 0 },
+#endif
+#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
+ { "application_id", PragTyp_HEADER_VALUE, 0 },
+#endif
+#if !defined(SQLITE_OMIT_AUTOVACUUM)
+ { "auto_vacuum", PragTyp_AUTO_VACUUM, 0 },
+#endif
+#if !defined(SQLITE_OMIT_AUTOMATIC_INDEX)
+ { "automatic_index", PragTyp_FLAG,
+ SQLITE_AutoIndex },
+#endif
+ { "busy_timeout", PragTyp_BUSY_TIMEOUT, 0 },
+#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
+ { "cache_size", PragTyp_CACHE_SIZE, 0 },
+#endif
+ { "cache_spill", PragTyp_FLAG,
+ SQLITE_CacheSpill },
+ { "case_sensitive_like", PragTyp_CASE_SENSITIVE_LIKE, 0 },
+ { "checkpoint_fullfsync", PragTyp_FLAG,
+ SQLITE_CkptFullFSync },
+#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
+ { "collation_list", PragTyp_COLLATION_LIST, 0 },
+#endif
+#if !defined(SQLITE_OMIT_COMPILEOPTION_DIAGS)
+ { "compile_options", PragTyp_COMPILE_OPTIONS, 0 },
+#endif
+ { "count_changes", PragTyp_FLAG,
+ SQLITE_CountRows },
+#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_OS_WIN
+ { "data_store_directory", PragTyp_DATA_STORE_DIRECTORY, 0 },
+#endif
+#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
+ { "database_list", PragTyp_DATABASE_LIST, 0 },
+#endif
+#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED)
+ { "default_cache_size", PragTyp_DEFAULT_CACHE_SIZE, 0 },
+#endif
+#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
+ { "defer_foreign_keys", PragTyp_FLAG,
+ SQLITE_DeferFKs },
+#endif
+ { "empty_result_callbacks", PragTyp_FLAG,
+ SQLITE_NullCallback },
+#if !defined(SQLITE_OMIT_UTF16)
+ { "encoding", PragTyp_ENCODING, 0 },
+#endif
+#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
+ { "foreign_key_check", PragTyp_FOREIGN_KEY_CHECK, 0 },
+#endif
+#if !defined(SQLITE_OMIT_FOREIGN_KEY)
+ { "foreign_key_list", PragTyp_FOREIGN_KEY_LIST, 0 },
+#endif
+#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
+ { "foreign_keys", PragTyp_FLAG,
+ SQLITE_ForeignKeys },
+#endif
+#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
+ { "freelist_count", PragTyp_HEADER_VALUE, 0 },
+#endif
+ { "full_column_names", PragTyp_FLAG,
+ SQLITE_FullColNames },
+ { "fullfsync", PragTyp_FLAG,
+ SQLITE_FullFSync },
+#if defined(SQLITE_HAS_CODEC)
+ { "hexkey", PragTyp_HEXKEY, 0 },
+#endif
+#if !defined(SQLITE_OMIT_CHECK)
+ { "ignore_check_constraints", PragTyp_FLAG,
+ SQLITE_IgnoreChecks },
+#endif
+#if !defined(SQLITE_OMIT_AUTOVACUUM)
+ { "incremental_vacuum", PragTyp_INCREMENTAL_VACUUM, 0 },
+#endif
+#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
+ { "index_info", PragTyp_INDEX_INFO, 0 },
+ { "index_list", PragTyp_INDEX_LIST, 0 },
+#endif
+#if !defined(SQLITE_OMIT_INTEGRITY_CHECK)
+ { "integrity_check", PragTyp_INTEGRITY_CHECK, 0 },
+#endif
+#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
+ { "journal_mode", PragTyp_JOURNAL_MODE, 0 },
+ { "journal_size_limit", PragTyp_JOURNAL_SIZE_LIMIT, 0 },
+#endif
+#if defined(SQLITE_HAS_CODEC)
+ { "key", PragTyp_KEY, 0 },
+#endif
+ { "legacy_file_format", PragTyp_FLAG,
+ SQLITE_LegacyFileFmt },
+#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_ENABLE_LOCKING_STYLE
+ { "lock_proxy_file", PragTyp_LOCK_PROXY_FILE, 0 },
+#endif
+#if defined(SQLITE_DEBUG) || defined(SQLITE_TEST)
+ { "lock_status", PragTyp_LOCK_STATUS, 0 },
+#endif
+#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
+ { "locking_mode", PragTyp_LOCKING_MODE, 0 },
+ { "max_page_count", PragTyp_PAGE_COUNT, 0 },
+ { "mmap_size", PragTyp_MMAP_SIZE, 0 },
+ { "page_count", PragTyp_PAGE_COUNT, 0 },
+ { "page_size", PragTyp_PAGE_SIZE, 0 },
+#endif
+#if defined(SQLITE_DEBUG)
+ { "parser_trace", PragTyp_PARSER_TRACE, 0 },
+#endif
+ { "query_only", PragTyp_FLAG,
+ SQLITE_QueryOnly },
+#if !defined(SQLITE_OMIT_INTEGRITY_CHECK)
+ { "quick_check", PragTyp_INTEGRITY_CHECK, 0 },
+#endif
+ { "read_uncommitted", PragTyp_FLAG,
+ SQLITE_ReadUncommitted },
+ { "recursive_triggers", PragTyp_FLAG,
+ SQLITE_RecTriggers },
+#if defined(SQLITE_HAS_CODEC)
+ { "rekey", PragTyp_REKEY, 0 },
+#endif
+ { "reverse_unordered_selects", PragTyp_FLAG,
+ SQLITE_ReverseOrder },
+#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
+ { "schema_version", PragTyp_HEADER_VALUE, 0 },
+#endif
+#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
+ { "secure_delete", PragTyp_SECURE_DELETE, 0 },
+#endif
+ { "short_column_names", PragTyp_FLAG,
+ SQLITE_ShortColNames },
+ { "shrink_memory", PragTyp_SHRINK_MEMORY, 0 },
+#if defined(SQLITE_DEBUG)
+ { "sql_trace", PragTyp_FLAG,
+ SQLITE_SqlTrace },
+#endif
+#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
+ { "synchronous", PragTyp_SYNCHRONOUS, 0 },
+#endif
+#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
+ { "table_info", PragTyp_TABLE_INFO, 0 },
+#endif
+#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
+ { "temp_store", PragTyp_TEMP_STORE, 0 },
+ { "temp_store_directory", PragTyp_TEMP_STORE_DIRECTORY, 0 },
+#endif
+#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
+ { "user_version", PragTyp_HEADER_VALUE, 0 },
+#endif
+#if defined(SQLITE_DEBUG)
+ { "vdbe_addoptrace", PragTyp_FLAG,
+ SQLITE_VdbeAddopTrace },
+ { "vdbe_debug", PragTyp_FLAG,
+ SQLITE_SqlTrace|SQLITE_VdbeListing|SQLITE_VdbeTrace },
+ { "vdbe_listing", PragTyp_FLAG,
+ SQLITE_VdbeListing },
+ { "vdbe_trace", PragTyp_FLAG,
+ SQLITE_VdbeTrace },
+#endif
+#if !defined(SQLITE_OMIT_WAL)
+ { "wal_autocheckpoint", PragTyp_WAL_AUTOCHECKPOINT, 0 },
+ { "wal_checkpoint", PragTyp_WAL_CHECKPOINT, 0 },
+#endif
+ { "writable_schema", PragTyp_FLAG,
+ SQLITE_WriteSchema|SQLITE_RecoveryMode },
+};
+/* End of the automatically generated pragma table.
+***************************************************************************/
+
/*
** Interpret the given string as a safety level. Return 0 for OFF,
** 1 for ON or NORMAL and 2 for FULL. Return 1 for an empty or
#endif
-#ifndef SQLITE_OMIT_FLAG_PRAGMAS
-/*
-** 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.
-** Also, implement the pragma.
-*/
-static int flagPragma(Parse *pParse, const char *zLeft, const char *zRight){
- static const struct sPragmaType {
- const char *zName; /* Name of the pragma */
- int mask; /* Mask for the db->flags value */
- } aPragma[] = {
- { "full_column_names", SQLITE_FullColNames },
- { "short_column_names", SQLITE_ShortColNames },
- { "count_changes", SQLITE_CountRows },
- { "empty_result_callbacks", SQLITE_NullCallback },
- { "legacy_file_format", SQLITE_LegacyFileFmt },
- { "fullfsync", SQLITE_FullFSync },
- { "checkpoint_fullfsync", SQLITE_CkptFullFSync },
- { "cache_spill", SQLITE_CacheSpill },
- { "reverse_unordered_selects", SQLITE_ReverseOrder },
- { "query_only", SQLITE_QueryOnly },
-#ifndef SQLITE_OMIT_AUTOMATIC_INDEX
- { "automatic_index", SQLITE_AutoIndex },
-#endif
-#ifdef SQLITE_DEBUG
- { "sql_trace", SQLITE_SqlTrace },
- { "vdbe_listing", SQLITE_VdbeListing },
- { "vdbe_trace", SQLITE_VdbeTrace },
- { "vdbe_addoptrace", SQLITE_VdbeAddopTrace},
- { "vdbe_debug", SQLITE_SqlTrace | SQLITE_VdbeListing
- | SQLITE_VdbeTrace },
-#endif
-#ifndef SQLITE_OMIT_CHECK
- { "ignore_check_constraints", SQLITE_IgnoreChecks },
-#endif
- /* The following is VERY experimental */
- { "writable_schema", SQLITE_WriteSchema|SQLITE_RecoveryMode },
-
- /* TODO: Maybe it shouldn't be possible to change the ReadUncommitted
- ** flag if there are any active statements. */
- { "read_uncommitted", SQLITE_ReadUncommitted },
- { "recursive_triggers", SQLITE_RecTriggers },
-
- /* This flag may only be set if both foreign-key and trigger support
- ** are present in the build. */
-#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
- { "foreign_keys", SQLITE_ForeignKeys },
- { "defer_foreign_keys", SQLITE_DeferFKs },
-#endif
- };
- int i;
- const struct sPragmaType *p;
- for(i=0, p=aPragma; i<ArraySize(aPragma); i++, p++){
- if( sqlite3StrICmp(zLeft, p->zName)==0 ){
- sqlite3 *db = pParse->db;
- Vdbe *v;
- v = sqlite3GetVdbe(pParse);
- assert( v!=0 ); /* Already allocated by sqlite3Pragma() */
- if( ALWAYS(v) ){
- if( zRight==0 ){
- returnSingleInt(pParse, p->zName, (db->flags & p->mask)!=0 );
- }else{
- int mask = p->mask; /* Mask of bits to set or clear. */
- if( db->autoCommit==0 ){
- /* Foreign key support may not be enabled or disabled while not
- ** in auto-commit mode. */
- mask &= ~(SQLITE_ForeignKeys);
- }
-
- if( sqlite3GetBoolean(zRight, 0) ){
- db->flags |= mask;
- }else{
- db->flags &= ~mask;
- if( mask==SQLITE_DeferFKs ) db->nDeferredImmCons = 0;
- }
-
- /* Many of the flag-pragmas modify the code generated by the SQL
- ** compiler (eg. count_changes). So add an opcode to expire all
- ** compiled SQL statements after modifying a pragma value.
- */
- sqlite3VdbeAddOp2(v, OP_Expire, 0, 0);
- }
- }
-
- return 1;
- }
- }
- return 0;
-}
-#endif /* SQLITE_OMIT_FLAG_PRAGMAS */
-
/*
** Return a human-readable name for a constraint resolution action.
*/
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> */
char *aFcntl[4]; /* Argument to SQLITE_FCNTL_PRAGMA */
+ int iDb; /* Database index for <database> */
+ int lwr, upr, mid; /* Binary search bounds */
int rc; /* return value form SQLITE_FCNTL_PRAGMA */
sqlite3 *db = pParse->db; /* The database connection */
Db *pDb; /* The specific database being pragmaed */
sqlite3VdbeAddOp2(v, OP_ResultRow, mem, 1);
sqlite3_free(aFcntl[0]);
}
- }else if( rc!=SQLITE_NOTFOUND ){
+ goto pragma_out;
+ }
+ if( rc!=SQLITE_NOTFOUND ){
if( aFcntl[0] ){
sqlite3ErrorMsg(pParse, "%s", aFcntl[0]);
sqlite3_free(aFcntl[0]);
}
pParse->nErr++;
pParse->rc = rc;
- }else
-
-
+ goto pragma_out;
+ }
+
+ /* Locate the pragma in the lookup table */
+ lwr = 0;
+ upr = ArraySize(aPragmaNames)-1;
+ while( lwr<=upr ){
+ mid = (lwr+upr)/2;
+ rc = sqlite3_stricmp(zLeft, aPragmaNames[mid].zName);
+ if( rc==0 ) break;
+ if( rc<0 ){
+ upr = mid - 1;
+ }else{
+ lwr = mid + 1;
+ }
+ }
+ if( lwr>upr ) goto pragma_out;
+
+ /* Jump to the appropriate pragma handler */
+ switch( aPragmaNames[mid].ePragTyp ){
+
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED)
/*
** PRAGMA [database.]default_cache_size
** size. But continue to take the absolute value of the default cache
** size of historical compatibility.
*/
- if( sqlite3StrICmp(zLeft,"default_cache_size")==0 ){
+ case PragTyp_DEFAULT_CACHE_SIZE: {
static const VdbeOpList getCacheSize[] = {
{ OP_Transaction, 0, 0, 0}, /* 0 */
{ OP_ReadCookie, 0, 1, BTREE_DEFAULT_CACHE_SIZE}, /* 1 */
pDb->pSchema->cache_size = size;
sqlite3BtreeSetCacheSize(pDb->pBt, pDb->pSchema->cache_size);
}
- }else
+ break;
+ }
#endif /* !SQLITE_OMIT_PAGER_PRAGMAS && !SQLITE_OMIT_DEPRECATED */
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
** database page size value. The value can only be set if
** the database has not yet been created.
*/
- if( sqlite3StrICmp(zLeft,"page_size")==0 ){
+ case PragTyp_PAGE_SIZE: {
Btree *pBt = pDb->pBt;
assert( pBt!=0 );
if( !zRight ){
db->mallocFailed = 1;
}
}
- }else
+ break;
+ }
/*
** PRAGMA [database.]secure_delete
** secure_delete flag. The second form changes the secure_delete
** flag setting and reports thenew value.
*/
- if( sqlite3StrICmp(zLeft,"secure_delete")==0 ){
+ case PragTyp_SECURE_DELETE: {
Btree *pBt = pDb->pBt;
int b = -1;
assert( pBt!=0 );
}
b = sqlite3BtreeSecureDelete(pBt, b);
returnSingleInt(pParse, "secure_delete", b);
- }else
+ break;
+ }
/*
** PRAGMA [database.]max_page_count
**
** Return the number of pages in the specified database.
*/
- if( sqlite3StrICmp(zLeft,"page_count")==0
- || sqlite3StrICmp(zLeft,"max_page_count")==0
- ){
+ case PragTyp_PAGE_COUNT: {
int iReg;
if( sqlite3ReadSchema(pParse) ) goto pragma_out;
sqlite3CodeVerifySchema(pParse, iDb);
sqlite3VdbeAddOp2(v, OP_ResultRow, iReg, 1);
sqlite3VdbeSetNumCols(v, 1);
sqlite3VdbeSetColName(v, 0, COLNAME_NAME, zLeft, SQLITE_TRANSIENT);
- }else
+ break;
+ }
/*
** PRAGMA [database.]locking_mode
** PRAGMA [database.]locking_mode = (normal|exclusive)
*/
- if( sqlite3StrICmp(zLeft,"locking_mode")==0 ){
+ case PragTyp_LOCKING_MODE: {
const char *zRet = "normal";
int eMode = getLockingMode(zRight);
eMode = sqlite3PagerLockingMode(pPager, eMode);
}
- assert(eMode==PAGER_LOCKINGMODE_NORMAL||eMode==PAGER_LOCKINGMODE_EXCLUSIVE);
+ assert( eMode==PAGER_LOCKINGMODE_NORMAL
+ || eMode==PAGER_LOCKINGMODE_EXCLUSIVE );
if( eMode==PAGER_LOCKINGMODE_EXCLUSIVE ){
zRet = "exclusive";
}
sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "locking_mode", SQLITE_STATIC);
sqlite3VdbeAddOp4(v, OP_String8, 0, 1, 0, zRet, 0);
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 1);
- }else
+ break;
+ }
/*
** PRAGMA [database.]journal_mode
** PRAGMA [database.]journal_mode =
** (delete|persist|off|truncate|memory|wal|off)
*/
- if( sqlite3StrICmp(zLeft,"journal_mode")==0 ){
+ case PragTyp_JOURNAL_MODE: {
int eMode; /* One of the PAGER_JOURNALMODE_XXX symbols */
int ii; /* Loop counter */
}
}
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 1);
- }else
+ break;
+ }
/*
** PRAGMA [database.]journal_size_limit
**
** Get or set the size limit on rollback journal files.
*/
- if( sqlite3StrICmp(zLeft,"journal_size_limit")==0 ){
+ case PragTyp_JOURNAL_SIZE_LIMIT: {
Pager *pPager = sqlite3BtreePager(pDb->pBt);
i64 iLimit = -2;
if( zRight ){
}
iLimit = sqlite3PagerJournalSizeLimit(pPager, iLimit);
returnSingleInt(pParse, "journal_size_limit", iLimit);
- }else
+ break;
+ }
#endif /* SQLITE_OMIT_PAGER_PRAGMAS */
** The value is one of: 0 NONE 1 FULL 2 INCREMENTAL
*/
#ifndef SQLITE_OMIT_AUTOVACUUM
- if( sqlite3StrICmp(zLeft,"auto_vacuum")==0 ){
+ case PragTyp_AUTO_VACUUM: {
Btree *pBt = pDb->pBt;
assert( pBt!=0 );
if( sqlite3ReadSchema(pParse) ){
}
}
}
- }else
+ break;
+ }
#endif
/*
** Do N steps of incremental vacuuming on a database.
*/
#ifndef SQLITE_OMIT_AUTOVACUUM
- if( sqlite3StrICmp(zLeft,"incremental_vacuum")==0 ){
+ case PragTyp_INCREMENTAL_VACUUM: {
int iLimit, addr;
if( sqlite3ReadSchema(pParse) ){
goto pragma_out;
sqlite3VdbeAddOp2(v, OP_AddImm, 1, -1);
sqlite3VdbeAddOp2(v, OP_IfPos, 1, addr);
sqlite3VdbeJumpHere(v, addr);
- }else
+ break;
+ }
#endif
#ifndef SQLITE_OMIT_PAGER_PRAGMAS
** number of pages is adjusted so that the cache uses -N kibibytes
** of memory.
*/
- if( sqlite3StrICmp(zLeft,"cache_size")==0 ){
+ case PragTyp_CACHE_SIZE: {
if( sqlite3ReadSchema(pParse) ) goto pragma_out;
assert( sqlite3SchemaMutexHeld(db, iDb, 0) );
if( !zRight ){
pDb->pSchema->cache_size = size;
sqlite3BtreeSetCacheSize(pDb->pBt, pDb->pSchema->cache_size);
}
- }else
+ break;
+ }
/*
** PRAGMA [database.]mmap_size(N)
** as little or as much as it wants. Except, if N is set to 0 then the
** upper layers will never invoke the xFetch interfaces to the VFS.
*/
- if( sqlite3StrICmp(zLeft,"mmap_size")==0 ){
+ case PragTyp_MMAP_SIZE: {
sqlite3_int64 sz;
#if SQLITE_MAX_MMAP_SIZE>0
assert( sqlite3SchemaMutexHeld(db, iDb, 0) );
pParse->nErr++;
pParse->rc = rc;
}
- }else
+ break;
+ }
/*
** PRAGMA temp_store
** Note that it is possible for the library compile-time options to
** override this setting
*/
- if( sqlite3StrICmp(zLeft, "temp_store")==0 ){
+ case PragTyp_TEMP_STORE: {
if( !zRight ){
returnSingleInt(pParse, "temp_store", db->temp_store);
}else{
changeTempStorage(pParse, zRight);
}
- }else
+ break;
+ }
/*
** PRAGMA temp_store_directory
** If temporary directory is changed, then invalidateTempStorage.
**
*/
- if( sqlite3StrICmp(zLeft, "temp_store_directory")==0 ){
+ case PragTyp_TEMP_STORE_DIRECTORY: {
if( !zRight ){
if( sqlite3_temp_directory ){
sqlite3VdbeSetNumCols(v, 1);
}
#endif /* SQLITE_OMIT_WSD */
}
- }else
+ break;
+ }
#if SQLITE_OS_WIN
/*
** by this setting, regardless of its value.
**
*/
- if( sqlite3StrICmp(zLeft, "data_store_directory")==0 ){
+ case PragTyp_DATA_STORE_DIRECTORY: {
if( !zRight ){
if( sqlite3_data_directory ){
sqlite3VdbeSetNumCols(v, 1);
}
#endif /* SQLITE_OMIT_WSD */
}
- }else
+ break;
+ }
#endif
-#if !defined(SQLITE_ENABLE_LOCKING_STYLE)
-# if defined(__APPLE__)
-# define SQLITE_ENABLE_LOCKING_STYLE 1
-# else
-# define SQLITE_ENABLE_LOCKING_STYLE 0
-# endif
-#endif
#if SQLITE_ENABLE_LOCKING_STYLE
/*
- ** PRAGMA [database.]lock_proxy_file
- ** PRAGMA [database.]lock_proxy_file = ":auto:"|"lock_file_path"
- **
- ** Return or set the value of the lock_proxy_file flag. Changing
- ** the value sets a specific file to be used for database access locks.
- **
- */
- if( sqlite3StrICmp(zLeft, "lock_proxy_file")==0 ){
+ ** PRAGMA [database.]lock_proxy_file
+ ** PRAGMA [database.]lock_proxy_file = ":auto:"|"lock_file_path"
+ **
+ ** Return or set the value of the lock_proxy_file flag. Changing
+ ** the value sets a specific file to be used for database access locks.
+ **
+ */
+ case PragTyp_LOCK_PROXY_FILE: {
if( !zRight ){
Pager *pPager = sqlite3BtreePager(pDb->pBt);
char *proxy_file_path = NULL;
goto pragma_out;
}
}
- }else
+ break;
+ }
#endif /* SQLITE_ENABLE_LOCKING_STYLE */
/*
** default value will be restored the next time the database is
** opened.
*/
- if( sqlite3StrICmp(zLeft,"synchronous")==0 ){
+ case PragTyp_SYNCHRONOUS: {
if( sqlite3ReadSchema(pParse) ) goto pragma_out;
if( !zRight ){
returnSingleInt(pParse, "synchronous", pDb->safety_level-1);
setAllPagerFlags(db);
}
}
- }else
+ break;
+ }
#endif /* SQLITE_OMIT_PAGER_PRAGMAS */
#ifndef SQLITE_OMIT_FLAG_PRAGMAS
- if( flagPragma(pParse, zLeft, zRight) ){
- setAllPagerFlags(db);
- }else
+ case PragTyp_FLAG: {
+ if( zRight==0 ){
+ returnSingleInt(pParse, aPragmaNames[mid].zName,
+ (db->flags & aPragmaNames[mid].iArg)!=0 );
+ }else{
+ int mask = aPragmaNames[mid].iArg; /* Mask of bits to set or clear. */
+ if( db->autoCommit==0 ){
+ /* Foreign key support may not be enabled or disabled while not
+ ** in auto-commit mode. */
+ mask &= ~(SQLITE_ForeignKeys);
+ }
+
+ if( sqlite3GetBoolean(zRight, 0) ){
+ db->flags |= mask;
+ }else{
+ db->flags &= ~mask;
+ if( mask==SQLITE_DeferFKs ) db->nDeferredImmCons = 0;
+ }
+
+ /* Many of the flag-pragmas modify the code generated by the SQL
+ ** compiler (eg. count_changes). So add an opcode to expire all
+ ** compiled SQL statements after modifying a pragma value.
+ */
+ sqlite3VdbeAddOp2(v, OP_Expire, 0, 0);
+ setAllPagerFlags(db);
+ }
+ break;
+ }
#endif /* SQLITE_OMIT_FLAG_PRAGMAS */
#ifndef SQLITE_OMIT_SCHEMA_PRAGMAS
** 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 && zRight ){
+ case PragTyp_TABLE_INFO: if( zRight ){
Table *pTab;
if( sqlite3ReadSchema(pParse) ) goto pragma_out;
pTab = sqlite3FindTable(db, zRight, zDb);
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 6);
}
}
- }else
+ }
+ break;
- if( sqlite3StrICmp(zLeft, "index_info")==0 && zRight ){
+ case PragTyp_INDEX_INFO: if( zRight ){
Index *pIdx;
Table *pTab;
if( sqlite3ReadSchema(pParse) ) goto pragma_out;
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 3);
}
}
- }else
+ }
+ break;
- if( sqlite3StrICmp(zLeft, "index_list")==0 && zRight ){
+ case PragTyp_INDEX_LIST: if( zRight ){
Index *pIdx;
Table *pTab;
if( sqlite3ReadSchema(pParse) ) goto pragma_out;
}
}
}
- }else
+ }
+ break;
- if( sqlite3StrICmp(zLeft, "database_list")==0 ){
+ case PragTyp_DATABASE_LIST: {
int i;
if( sqlite3ReadSchema(pParse) ) goto pragma_out;
sqlite3VdbeSetNumCols(v, 3);
sqlite3BtreeGetFilename(db->aDb[i].pBt), 0);
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 3);
}
- }else
+ }
+ break;
- if( sqlite3StrICmp(zLeft, "collation_list")==0 ){
+ case PragTyp_COLLATION_LIST: {
int i = 0;
HashElem *p;
sqlite3VdbeSetNumCols(v, 2);
sqlite3VdbeAddOp4(v, OP_String8, 0, 2, 0, pColl->zName, 0);
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 2);
}
- }else
+ }
+ break;
#endif /* SQLITE_OMIT_SCHEMA_PRAGMAS */
#ifndef SQLITE_OMIT_FOREIGN_KEY
- if( sqlite3StrICmp(zLeft, "foreign_key_list")==0 && zRight ){
+ case PragTyp_FOREIGN_KEY_LIST: if( zRight ){
FKey *pFK;
Table *pTab;
if( sqlite3ReadSchema(pParse) ) goto pragma_out;
}
}
}
- }else
+ }
+ break;
#endif /* !defined(SQLITE_OMIT_FOREIGN_KEY) */
#ifndef SQLITE_OMIT_FOREIGN_KEY
#ifndef SQLITE_OMIT_TRIGGER
- if( sqlite3StrICmp(zLeft, "foreign_key_check")==0 ){
+ case PragTyp_FOREIGN_KEY_CHECK: {
FKey *pFK; /* A foreign key constraint */
Table *pTab; /* Child table contain "REFERENCES" keyword */
Table *pParent; /* Parent table that child points to */
sqlite3VdbeAddOp2(v, OP_Next, 0, addrTop+1);
sqlite3VdbeJumpHere(v, addrTop);
}
- }else
+ }
+ break;
#endif /* !defined(SQLITE_OMIT_TRIGGER) */
#endif /* !defined(SQLITE_OMIT_FOREIGN_KEY) */
#ifndef NDEBUG
- if( sqlite3StrICmp(zLeft, "parser_trace")==0 ){
+ case PragTyp_PARSER_TRACE: {
if( zRight ){
if( sqlite3GetBoolean(zRight, 0) ){
sqlite3ParserTrace(stderr, "parser: ");
sqlite3ParserTrace(0, 0);
}
}
- }else
+ }
+ break;
#endif
/* Reinstall the LIKE and GLOB functions. The variant of LIKE
** used will be case sensitive or not depending on the RHS.
*/
- if( sqlite3StrICmp(zLeft, "case_sensitive_like")==0 ){
+ case PragTyp_CASE_SENSITIVE_LIKE: {
if( zRight ){
sqlite3RegisterLikeFunctions(db, sqlite3GetBoolean(zRight, 0));
}
- }else
+ }
+ break;
#ifndef SQLITE_INTEGRITY_CHECK_ERROR_MAX
# define SQLITE_INTEGRITY_CHECK_ERROR_MAX 100
** integrity_check designed to detect most database corruption
** without most of the overhead of a full integrity-check.
*/
- if( sqlite3StrICmp(zLeft, "integrity_check")==0
- || sqlite3StrICmp(zLeft, "quick_check")==0
- ){
+ case PragTyp_INTEGRITY_CHECK: {
int i, j, addr, mxErr;
/* Code that appears at the end of the integrity check. If no error
sqlite3VdbeChangeP2(v, addr, -mxErr);
sqlite3VdbeJumpHere(v, addr+1);
sqlite3VdbeChangeP4(v, addr+2, "ok", P4_STATIC);
- }else
+ }
+ break;
#endif /* SQLITE_OMIT_INTEGRITY_CHECK */
#ifndef SQLITE_OMIT_UTF16
** new database files created using this database handle. It is only
** useful if invoked immediately after the main database i
*/
- if( sqlite3StrICmp(zLeft, "encoding")==0 ){
+ case PragTyp_ENCODING: {
static const struct EncName {
char *zName;
u8 enc;
}
}
}
- }else
+ }
+ break;
#endif /* SQLITE_OMIT_UTF16 */
#ifndef SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS
** The user-version is not used internally by SQLite. It may be used by
** applications for any purpose.
*/
- if( sqlite3StrICmp(zLeft, "schema_version")==0
- || sqlite3StrICmp(zLeft, "user_version")==0
- || sqlite3StrICmp(zLeft, "freelist_count")==0
- || sqlite3StrICmp(zLeft, "application_id")==0
- ){
+ case PragTyp_HEADER_VALUE: {
int iCookie; /* Cookie index. 1 for schema-cookie, 6 for user-cookie. */
sqlite3VdbeUsesBtree(v, iDb);
switch( zLeft[0] ){
sqlite3VdbeSetNumCols(v, 1);
sqlite3VdbeSetColName(v, 0, COLNAME_NAME, zLeft, SQLITE_TRANSIENT);
}
- }else
+ }
+ break;
#endif /* SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS */
#ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS
** Return the names of all compile-time options used in this build,
** one option per row.
*/
- if( sqlite3StrICmp(zLeft, "compile_options")==0 ){
+ case PragTyp_COMPILE_OPTIONS: {
int i = 0;
const char *zOpt;
sqlite3VdbeSetNumCols(v, 1);
sqlite3VdbeAddOp4(v, OP_String8, 0, 1, 0, zOpt, 0);
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 1);
}
- }else
+ }
+ break;
#endif /* SQLITE_OMIT_COMPILEOPTION_DIAGS */
#ifndef SQLITE_OMIT_WAL
**
** Checkpoint the database.
*/
- if( sqlite3StrICmp(zLeft, "wal_checkpoint")==0 ){
+ case PragTyp_WAL_CHECKPOINT: {
int iBt = (pId2->z?iDb:SQLITE_MAX_ATTACHED);
int eMode = SQLITE_CHECKPOINT_PASSIVE;
if( zRight ){
sqlite3VdbeAddOp3(v, OP_Checkpoint, iBt, eMode, 1);
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 3);
- }else
+ }
+ break;
/*
** PRAGMA wal_autocheckpoint
** after accumulating N frames in the log. Or query for the current value
** of N.
*/
- if( sqlite3StrICmp(zLeft, "wal_autocheckpoint")==0 ){
+ case PragTyp_WAL_AUTOCHECKPOINT: {
if( zRight ){
sqlite3_wal_autocheckpoint(db, sqlite3Atoi(zRight));
}
returnSingleInt(pParse, "wal_autocheckpoint",
db->xWalCallback==sqlite3WalDefaultHook ?
SQLITE_PTR_TO_INT(db->pWalArg) : 0);
- }else
+ }
+ break;
#endif
/*
** This pragma attempts to free as much memory as possible from the
** current database connection.
*/
- if( sqlite3StrICmp(zLeft, "shrink_memory")==0 ){
+ case PragTyp_SHRINK_MEMORY: {
sqlite3_db_release_memory(db);
- }else
+ break;
+ }
/*
** PRAGMA busy_timeout
** then 0 is returned. Setting the busy_timeout to 0 or negative
** disables the timeout.
*/
- if( sqlite3StrICmp(zLeft, "busy_timeout")==0 ){
+ case PragTyp_BUSY_TIMEOUT: {
if( zRight ){
sqlite3_busy_timeout(db, sqlite3Atoi(zRight));
}
returnSingleInt(pParse, "timeout", db->busyTimeout);
- }else
+ break;
+ }
#if defined(SQLITE_DEBUG) || defined(SQLITE_TEST)
/*
** Report the current state of file logs for all databases
*/
- if( sqlite3StrICmp(zLeft, "lock_status")==0 ){
+ case PragTyp_LOCK_STATUS: {
static const char *const azLockName[] = {
"unlocked", "shared", "reserved", "pending", "exclusive"
};
sqlite3VdbeAddOp4(v, OP_String8, 0, 2, 0, zState, P4_STATIC);
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 2);
}
-
- }else
+ break;
+ }
#endif
#ifdef SQLITE_HAS_CODEC
- if( sqlite3StrICmp(zLeft, "key")==0 && zRight ){
- sqlite3_key_v2(db, zDb, zRight, sqlite3Strlen30(zRight));
- }else
- if( sqlite3StrICmp(zLeft, "rekey")==0 && zRight ){
- sqlite3_rekey_v2(db, zDb, zRight, sqlite3Strlen30(zRight));
- }else
- if( zRight && (sqlite3StrICmp(zLeft, "hexkey")==0 ||
- sqlite3StrICmp(zLeft, "hexrekey")==0) ){
- int i, h1, h2;
- char zKey[40];
- for(i=0; (h1 = zRight[i])!=0 && (h2 = zRight[i+1])!=0; i+=2){
- h1 += 9*(1&(h1>>6));
- h2 += 9*(1&(h2>>6));
- zKey[i/2] = (h2 & 0x0f) | ((h1 & 0xf)<<4);
- }
- if( (zLeft[3] & 0xf)==0xb ){
- sqlite3_key_v2(db, zDb, zKey, i/2);
- }else{
- sqlite3_rekey_v2(db, zDb, zKey, i/2);
+ case PragTyp_KEY: {
+ if( zRight ) sqlite3_key_v2(db, zDb, zRight, sqlite3Strlen30(zRight));
+ break;
+ }
+ case PragTyp_REKEY: {
+ if( zRight ) sqlite3_rekey_v2(db, zDb, zRight, sqlite3Strlen30(zRight));
+ break;
+ }
+ case PragTyp_HEXKEY: {
+ if( zRight ){
+ int i, h1, h2;
+ char zKey[40];
+ for(i=0; (h1 = zRight[i])!=0 && (h2 = zRight[i+1])!=0; i+=2){
+ h1 += 9*(1&(h1>>6));
+ h2 += 9*(1&(h2>>6));
+ zKey[i/2] = (h2 & 0x0f) | ((h1 & 0xf)<<4);
+ }
+ if( (zLeft[3] & 0xf)==0xb ){
+ sqlite3_key_v2(db, zDb, zKey, i/2);
+ }else{
+ sqlite3_rekey_v2(db, zDb, zKey, i/2);
+ }
}
- }else
+ break;
+ }
#endif
#if defined(SQLITE_HAS_CODEC) || defined(SQLITE_ENABLE_CEROD)
- if( sqlite3StrICmp(zLeft, "activate_extensions")==0 && zRight ){
+ case PragTyp_ACTIVATE_EXTENSIONS: if( zRight ){
#ifdef SQLITE_HAS_CODEC
if( sqlite3StrNICmp(zRight, "see-", 4)==0 ){
sqlite3_activate_see(&zRight[4]);
sqlite3_activate_cerod(&zRight[6]);
}
#endif
- }else
+ }
+ break;
#endif
-
- {/* Empty ELSE clause */}
+ } /* End of the PRAGMA switch */
pragma_out:
sqlite3DbFree(db, zLeft);