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-rw-r--r--src/pragma.c969
1 files changed, 675 insertions, 294 deletions
diff --git a/src/pragma.c b/src/pragma.c
index d4cf597ff..969af6af3 100644
--- a/src/pragma.c
+++ b/src/pragma.c
@@ -13,6 +13,417 @@
*/
#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_SOFT_HEAP_LIMIT 27
+#define PragTyp_SYNCHRONOUS 28
+#define PragTyp_TABLE_INFO 29
+#define PragTyp_TEMP_STORE 30
+#define PragTyp_TEMP_STORE_DIRECTORY 31
+#define PragTyp_WAL_AUTOCHECKPOINT 32
+#define PragTyp_WAL_CHECKPOINT 33
+#define PragTyp_ACTIVATE_EXTENSIONS 34
+#define PragTyp_HEXKEY 35
+#define PragTyp_KEY 36
+#define PragTyp_REKEY 37
+#define PragTyp_LOCK_STATUS 38
+#define PragTyp_PARSER_TRACE 39
+#define PragFlag_NeedSchema 0x01
+static const struct sPragmaNames {
+ const char *const zName; /* Name of pragma */
+ u8 ePragTyp; /* PragTyp_XXX value */
+ u8 mPragFlag; /* Zero or more PragFlag_XXX values */
+ u32 iArg; /* Extra argument */
+} aPragmaNames[] = {
+#if defined(SQLITE_HAS_CODEC) || defined(SQLITE_ENABLE_CEROD)
+ { /* zName: */ "activate_extensions",
+ /* ePragTyp: */ PragTyp_ACTIVATE_EXTENSIONS,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
+ { /* zName: */ "application_id",
+ /* ePragTyp: */ PragTyp_HEADER_VALUE,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_AUTOVACUUM)
+ { /* zName: */ "auto_vacuum",
+ /* ePragTyp: */ PragTyp_AUTO_VACUUM,
+ /* ePragFlag: */ PragFlag_NeedSchema,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_AUTOMATIC_INDEX)
+ { /* zName: */ "automatic_index",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_AutoIndex },
+#endif
+ { /* zName: */ "busy_timeout",
+ /* ePragTyp: */ PragTyp_BUSY_TIMEOUT,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
+ { /* zName: */ "cache_size",
+ /* ePragTyp: */ PragTyp_CACHE_SIZE,
+ /* ePragFlag: */ PragFlag_NeedSchema,
+ /* iArg: */ 0 },
+#endif
+ { /* zName: */ "cache_spill",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_CacheSpill },
+ { /* zName: */ "case_sensitive_like",
+ /* ePragTyp: */ PragTyp_CASE_SENSITIVE_LIKE,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+ { /* zName: */ "checkpoint_fullfsync",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_CkptFullFSync },
+#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
+ { /* zName: */ "collation_list",
+ /* ePragTyp: */ PragTyp_COLLATION_LIST,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_COMPILEOPTION_DIAGS)
+ { /* zName: */ "compile_options",
+ /* ePragTyp: */ PragTyp_COMPILE_OPTIONS,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+ { /* zName: */ "count_changes",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_CountRows },
+#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_OS_WIN
+ { /* zName: */ "data_store_directory",
+ /* ePragTyp: */ PragTyp_DATA_STORE_DIRECTORY,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
+ { /* zName: */ "database_list",
+ /* ePragTyp: */ PragTyp_DATABASE_LIST,
+ /* ePragFlag: */ PragFlag_NeedSchema,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED)
+ { /* zName: */ "default_cache_size",
+ /* ePragTyp: */ PragTyp_DEFAULT_CACHE_SIZE,
+ /* ePragFlag: */ PragFlag_NeedSchema,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
+ { /* zName: */ "defer_foreign_keys",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_DeferFKs },
+#endif
+ { /* zName: */ "empty_result_callbacks",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_NullCallback },
+#if !defined(SQLITE_OMIT_UTF16)
+ { /* zName: */ "encoding",
+ /* ePragTyp: */ PragTyp_ENCODING,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
+ { /* zName: */ "foreign_key_check",
+ /* ePragTyp: */ PragTyp_FOREIGN_KEY_CHECK,
+ /* ePragFlag: */ PragFlag_NeedSchema,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_FOREIGN_KEY)
+ { /* zName: */ "foreign_key_list",
+ /* ePragTyp: */ PragTyp_FOREIGN_KEY_LIST,
+ /* ePragFlag: */ PragFlag_NeedSchema,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
+ { /* zName: */ "foreign_keys",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_ForeignKeys },
+#endif
+#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
+ { /* zName: */ "freelist_count",
+ /* ePragTyp: */ PragTyp_HEADER_VALUE,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+ { /* zName: */ "full_column_names",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_FullColNames },
+ { /* zName: */ "fullfsync",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_FullFSync },
+#if defined(SQLITE_HAS_CODEC)
+ { /* zName: */ "hexkey",
+ /* ePragTyp: */ PragTyp_HEXKEY,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+ { /* zName: */ "hexrekey",
+ /* ePragTyp: */ PragTyp_HEXKEY,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_CHECK)
+ { /* zName: */ "ignore_check_constraints",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_IgnoreChecks },
+#endif
+#if !defined(SQLITE_OMIT_AUTOVACUUM)
+ { /* zName: */ "incremental_vacuum",
+ /* ePragTyp: */ PragTyp_INCREMENTAL_VACUUM,
+ /* ePragFlag: */ PragFlag_NeedSchema,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
+ { /* zName: */ "index_info",
+ /* ePragTyp: */ PragTyp_INDEX_INFO,
+ /* ePragFlag: */ PragFlag_NeedSchema,
+ /* iArg: */ 0 },
+ { /* zName: */ "index_list",
+ /* ePragTyp: */ PragTyp_INDEX_LIST,
+ /* ePragFlag: */ PragFlag_NeedSchema,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_INTEGRITY_CHECK)
+ { /* zName: */ "integrity_check",
+ /* ePragTyp: */ PragTyp_INTEGRITY_CHECK,
+ /* ePragFlag: */ PragFlag_NeedSchema,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
+ { /* zName: */ "journal_mode",
+ /* ePragTyp: */ PragTyp_JOURNAL_MODE,
+ /* ePragFlag: */ PragFlag_NeedSchema,
+ /* iArg: */ 0 },
+ { /* zName: */ "journal_size_limit",
+ /* ePragTyp: */ PragTyp_JOURNAL_SIZE_LIMIT,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+#if defined(SQLITE_HAS_CODEC)
+ { /* zName: */ "key",
+ /* ePragTyp: */ PragTyp_KEY,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+ { /* zName: */ "legacy_file_format",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_LegacyFileFmt },
+#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_ENABLE_LOCKING_STYLE
+ { /* zName: */ "lock_proxy_file",
+ /* ePragTyp: */ PragTyp_LOCK_PROXY_FILE,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+#if defined(SQLITE_DEBUG) || defined(SQLITE_TEST)
+ { /* zName: */ "lock_status",
+ /* ePragTyp: */ PragTyp_LOCK_STATUS,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
+ { /* zName: */ "locking_mode",
+ /* ePragTyp: */ PragTyp_LOCKING_MODE,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+ { /* zName: */ "max_page_count",
+ /* ePragTyp: */ PragTyp_PAGE_COUNT,
+ /* ePragFlag: */ PragFlag_NeedSchema,
+ /* iArg: */ 0 },
+ { /* zName: */ "mmap_size",
+ /* ePragTyp: */ PragTyp_MMAP_SIZE,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+ { /* zName: */ "page_count",
+ /* ePragTyp: */ PragTyp_PAGE_COUNT,
+ /* ePragFlag: */ PragFlag_NeedSchema,
+ /* iArg: */ 0 },
+ { /* zName: */ "page_size",
+ /* ePragTyp: */ PragTyp_PAGE_SIZE,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+#if defined(SQLITE_DEBUG)
+ { /* zName: */ "parser_trace",
+ /* ePragTyp: */ PragTyp_PARSER_TRACE,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+ { /* zName: */ "query_only",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_QueryOnly },
+#if !defined(SQLITE_OMIT_INTEGRITY_CHECK)
+ { /* zName: */ "quick_check",
+ /* ePragTyp: */ PragTyp_INTEGRITY_CHECK,
+ /* ePragFlag: */ PragFlag_NeedSchema,
+ /* iArg: */ 0 },
+#endif
+ { /* zName: */ "read_uncommitted",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_ReadUncommitted },
+ { /* zName: */ "recursive_triggers",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_RecTriggers },
+#if defined(SQLITE_HAS_CODEC)
+ { /* zName: */ "rekey",
+ /* ePragTyp: */ PragTyp_REKEY,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+ { /* zName: */ "reverse_unordered_selects",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_ReverseOrder },
+#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
+ { /* zName: */ "schema_version",
+ /* ePragTyp: */ PragTyp_HEADER_VALUE,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
+ { /* zName: */ "secure_delete",
+ /* ePragTyp: */ PragTyp_SECURE_DELETE,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+ { /* zName: */ "short_column_names",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_ShortColNames },
+ { /* zName: */ "shrink_memory",
+ /* ePragTyp: */ PragTyp_SHRINK_MEMORY,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+ { /* zName: */ "soft_heap_limit",
+ /* ePragTyp: */ PragTyp_SOFT_HEAP_LIMIT,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#if defined(SQLITE_DEBUG)
+ { /* zName: */ "sql_trace",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_SqlTrace },
+#endif
+#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
+ { /* zName: */ "synchronous",
+ /* ePragTyp: */ PragTyp_SYNCHRONOUS,
+ /* ePragFlag: */ PragFlag_NeedSchema,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
+ { /* zName: */ "table_info",
+ /* ePragTyp: */ PragTyp_TABLE_INFO,
+ /* ePragFlag: */ PragFlag_NeedSchema,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
+ { /* zName: */ "temp_store",
+ /* ePragTyp: */ PragTyp_TEMP_STORE,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+ { /* zName: */ "temp_store_directory",
+ /* ePragTyp: */ PragTyp_TEMP_STORE_DIRECTORY,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
+ { /* zName: */ "user_version",
+ /* ePragTyp: */ PragTyp_HEADER_VALUE,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+#if defined(SQLITE_DEBUG)
+ { /* zName: */ "vdbe_addoptrace",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_VdbeAddopTrace },
+ { /* zName: */ "vdbe_debug",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_SqlTrace|SQLITE_VdbeListing|SQLITE_VdbeTrace },
+ { /* zName: */ "vdbe_listing",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_VdbeListing },
+ { /* zName: */ "vdbe_trace",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_VdbeTrace },
+#endif
+#if !defined(SQLITE_OMIT_WAL)
+ { /* zName: */ "wal_autocheckpoint",
+ /* ePragTyp: */ PragTyp_WAL_AUTOCHECKPOINT,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+ { /* zName: */ "wal_checkpoint",
+ /* ePragTyp: */ PragTyp_WAL_CHECKPOINT,
+ /* ePragFlag: */ PragFlag_NeedSchema,
+ /* iArg: */ 0 },
+#endif
+ { /* zName: */ "writable_schema",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_WriteSchema|SQLITE_RecoveryMode },
+};
+/* Number of pragmas: 55 on by default, 67 total. */
+/* 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
@@ -188,97 +599,6 @@ static void setAllPagerFlags(sqlite3 *db){
#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.
*/
@@ -348,8 +668,9 @@ void sqlite3Pragma(
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 */
@@ -405,16 +726,41 @@ void sqlite3Pragma(
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;
+
+ /* Make sure the database schema is loaded if the pragma requires that */
+ if( (aPragmaNames[mid].mPragFlag & PragFlag_NeedSchema)!=0 ){
+ if( sqlite3ReadSchema(pParse) ) 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
@@ -432,7 +778,7 @@ void sqlite3Pragma(
** 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 */
@@ -445,7 +791,6 @@ void sqlite3Pragma(
{ OP_ResultRow, 1, 1, 0},
};
int addr;
- if( sqlite3ReadSchema(pParse) ) goto pragma_out;
sqlite3VdbeUsesBtree(v, iDb);
if( !zRight ){
sqlite3VdbeSetNumCols(v, 1);
@@ -464,7 +809,8 @@ void sqlite3Pragma(
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)
@@ -477,7 +823,7 @@ void sqlite3Pragma(
** 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 ){
@@ -492,7 +838,8 @@ void sqlite3Pragma(
db->mallocFailed = 1;
}
}
- }else
+ break;
+ }
/*
** PRAGMA [database.]secure_delete
@@ -502,7 +849,7 @@ void sqlite3Pragma(
** 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 );
@@ -517,7 +864,8 @@ void sqlite3Pragma(
}
b = sqlite3BtreeSecureDelete(pBt, b);
returnSingleInt(pParse, "secure_delete", b);
- }else
+ break;
+ }
/*
** PRAGMA [database.]max_page_count
@@ -536,11 +884,8 @@ void sqlite3Pragma(
**
** 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);
iReg = ++pParse->nMem;
if( sqlite3Tolower(zLeft[0])=='p' ){
@@ -552,13 +897,14 @@ void sqlite3Pragma(
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);
@@ -591,7 +937,8 @@ void sqlite3Pragma(
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";
}
@@ -599,25 +946,18 @@ void sqlite3Pragma(
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 */
- /* Force the schema to be loaded on all databases. This causes all
- ** database files to be opened and the journal_modes set. This is
- ** necessary because subsequent processing must know if the databases
- ** are in WAL mode. */
- if( sqlite3ReadSchema(pParse) ){
- goto pragma_out;
- }
-
sqlite3VdbeSetNumCols(v, 1);
sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "journal_mode", SQLITE_STATIC);
@@ -649,7 +989,8 @@ void sqlite3Pragma(
}
}
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 1);
- }else
+ break;
+ }
/*
** PRAGMA [database.]journal_size_limit
@@ -657,7 +998,7 @@ void sqlite3Pragma(
**
** 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 ){
@@ -666,7 +1007,8 @@ void sqlite3Pragma(
}
iLimit = sqlite3PagerJournalSizeLimit(pPager, iLimit);
returnSingleInt(pParse, "journal_size_limit", iLimit);
- }else
+ break;
+ }
#endif /* SQLITE_OMIT_PAGER_PRAGMAS */
@@ -678,57 +1020,47 @@ void sqlite3Pragma(
** 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) ){
- goto pragma_out;
- }
if( !zRight ){
- int auto_vacuum;
- if( ALWAYS(pBt) ){
- auto_vacuum = sqlite3BtreeGetAutoVacuum(pBt);
- }else{
- auto_vacuum = SQLITE_DEFAULT_AUTOVACUUM;
- }
- returnSingleInt(pParse, "auto_vacuum", auto_vacuum);
+ returnSingleInt(pParse, "auto_vacuum", sqlite3BtreeGetAutoVacuum(pBt));
}else{
int eAuto = getAutoVacuum(zRight);
assert( eAuto>=0 && eAuto<=2 );
db->nextAutovac = (u8)eAuto;
- if( ALWAYS(eAuto>=0) ){
- /* Call SetAutoVacuum() to set initialize the internal auto and
- ** incr-vacuum flags. This is required in case this connection
- ** creates the database file. It is important that it is created
- ** as an auto-vacuum capable db.
+ /* Call SetAutoVacuum() to set initialize the internal auto and
+ ** incr-vacuum flags. This is required in case this connection
+ ** creates the database file. It is important that it is created
+ ** as an auto-vacuum capable db.
+ */
+ rc = sqlite3BtreeSetAutoVacuum(pBt, eAuto);
+ if( rc==SQLITE_OK && (eAuto==1 || eAuto==2) ){
+ /* When setting the auto_vacuum mode to either "full" or
+ ** "incremental", write the value of meta[6] in the database
+ ** file. Before writing to meta[6], check that meta[3] indicates
+ ** that this really is an auto-vacuum capable database.
*/
- rc = sqlite3BtreeSetAutoVacuum(pBt, eAuto);
- if( rc==SQLITE_OK && (eAuto==1 || eAuto==2) ){
- /* When setting the auto_vacuum mode to either "full" or
- ** "incremental", write the value of meta[6] in the database
- ** file. Before writing to meta[6], check that meta[3] indicates
- ** that this really is an auto-vacuum capable database.
- */
- static const VdbeOpList setMeta6[] = {
- { OP_Transaction, 0, 1, 0}, /* 0 */
- { OP_ReadCookie, 0, 1, BTREE_LARGEST_ROOT_PAGE},
- { OP_If, 1, 0, 0}, /* 2 */
- { OP_Halt, SQLITE_OK, OE_Abort, 0}, /* 3 */
- { OP_Integer, 0, 1, 0}, /* 4 */
- { OP_SetCookie, 0, BTREE_INCR_VACUUM, 1}, /* 5 */
- };
- int iAddr;
- iAddr = sqlite3VdbeAddOpList(v, ArraySize(setMeta6), setMeta6);
- sqlite3VdbeChangeP1(v, iAddr, iDb);
- sqlite3VdbeChangeP1(v, iAddr+1, iDb);
- sqlite3VdbeChangeP2(v, iAddr+2, iAddr+4);
- sqlite3VdbeChangeP1(v, iAddr+4, eAuto-1);
- sqlite3VdbeChangeP1(v, iAddr+5, iDb);
- sqlite3VdbeUsesBtree(v, iDb);
- }
+ static const VdbeOpList setMeta6[] = {
+ { OP_Transaction, 0, 1, 0}, /* 0 */
+ { OP_ReadCookie, 0, 1, BTREE_LARGEST_ROOT_PAGE},
+ { OP_If, 1, 0, 0}, /* 2 */
+ { OP_Halt, SQLITE_OK, OE_Abort, 0}, /* 3 */
+ { OP_Integer, 0, 1, 0}, /* 4 */
+ { OP_SetCookie, 0, BTREE_INCR_VACUUM, 1}, /* 5 */
+ };
+ int iAddr;
+ iAddr = sqlite3VdbeAddOpList(v, ArraySize(setMeta6), setMeta6);
+ sqlite3VdbeChangeP1(v, iAddr, iDb);
+ sqlite3VdbeChangeP1(v, iAddr+1, iDb);
+ sqlite3VdbeChangeP2(v, iAddr+2, iAddr+4);
+ sqlite3VdbeChangeP1(v, iAddr+4, eAuto-1);
+ sqlite3VdbeChangeP1(v, iAddr+5, iDb);
+ sqlite3VdbeUsesBtree(v, iDb);
}
}
- }else
+ break;
+ }
#endif
/*
@@ -737,11 +1069,8 @@ void sqlite3Pragma(
** 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;
- }
if( zRight==0 || !sqlite3GetInt32(zRight, &iLimit) || iLimit<=0 ){
iLimit = 0x7fffffff;
}
@@ -752,7 +1081,8 @@ void sqlite3Pragma(
sqlite3VdbeAddOp2(v, OP_AddImm, 1, -1);
sqlite3VdbeAddOp2(v, OP_IfPos, 1, addr);
sqlite3VdbeJumpHere(v, addr);
- }else
+ break;
+ }
#endif
#ifndef SQLITE_OMIT_PAGER_PRAGMAS
@@ -767,8 +1097,7 @@ void sqlite3Pragma(
** number of pages is adjusted so that the cache uses -N kibibytes
** of memory.
*/
- if( sqlite3StrICmp(zLeft,"cache_size")==0 ){
- if( sqlite3ReadSchema(pParse) ) goto pragma_out;
+ case PragTyp_CACHE_SIZE: {
assert( sqlite3SchemaMutexHeld(db, iDb, 0) );
if( !zRight ){
returnSingleInt(pParse, "cache_size", pDb->pSchema->cache_size);
@@ -777,7 +1106,8 @@ void sqlite3Pragma(
pDb->pSchema->cache_size = size;
sqlite3BtreeSetCacheSize(pDb->pBt, pDb->pSchema->cache_size);
}
- }else
+ break;
+ }
/*
** PRAGMA [database.]mmap_size(N)
@@ -793,7 +1123,7 @@ void sqlite3Pragma(
** 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) );
@@ -820,7 +1150,8 @@ void sqlite3Pragma(
pParse->nErr++;
pParse->rc = rc;
}
- }else
+ break;
+ }
/*
** PRAGMA temp_store
@@ -833,13 +1164,14 @@ void sqlite3Pragma(
** 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
@@ -851,7 +1183,7 @@ void sqlite3Pragma(
** 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);
@@ -884,7 +1216,8 @@ void sqlite3Pragma(
}
#endif /* SQLITE_OMIT_WSD */
}
- }else
+ break;
+ }
#if SQLITE_OS_WIN
/*
@@ -900,7 +1233,7 @@ void sqlite3Pragma(
** 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);
@@ -927,26 +1260,20 @@ void sqlite3Pragma(
}
#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;
@@ -977,7 +1304,8 @@ void sqlite3Pragma(
goto pragma_out;
}
}
- }else
+ break;
+ }
#endif /* SQLITE_ENABLE_LOCKING_STYLE */
/*
@@ -989,8 +1317,7 @@ void sqlite3Pragma(
** default value will be restored the next time the database is
** opened.
*/
- if( sqlite3StrICmp(zLeft,"synchronous")==0 ){
- if( sqlite3ReadSchema(pParse) ) goto pragma_out;
+ case PragTyp_SYNCHRONOUS: {
if( !zRight ){
returnSingleInt(pParse, "synchronous", pDb->safety_level-1);
}else{
@@ -1002,13 +1329,39 @@ void sqlite3Pragma(
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
@@ -1024,9 +1377,8 @@ void sqlite3Pragma(
** 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);
if( pTab ){
int i, k;
@@ -1070,12 +1422,12 @@ void sqlite3Pragma(
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;
pIdx = sqlite3FindIndex(db, zRight, zDb);
if( pIdx ){
int i;
@@ -1095,39 +1447,43 @@ void sqlite3Pragma(
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;
+ int i;
pTab = sqlite3FindTable(db, zRight, zDb);
if( pTab ){
v = sqlite3GetVdbe(pParse);
- pIdx = pTab->pIndex;
- if( pIdx ){
- int i = 0;
- sqlite3VdbeSetNumCols(v, 3);
- pParse->nMem = 3;
- sqlite3CodeVerifySchema(pParse, iDb);
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seq", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "unique", SQLITE_STATIC);
- while(pIdx){
- sqlite3VdbeAddOp2(v, OP_Integer, i, 1);
- sqlite3VdbeAddOp4(v, OP_String8, 0, 2, 0, pIdx->zName, 0);
- sqlite3VdbeAddOp2(v, OP_Integer, pIdx->onError!=OE_None, 3);
- sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 3);
- ++i;
- pIdx = pIdx->pNext;
- }
+ sqlite3VdbeSetNumCols(v, 4);
+ pParse->nMem = 4;
+ sqlite3CodeVerifySchema(pParse, iDb);
+ sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seq", SQLITE_STATIC);
+ sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE_STATIC);
+ sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "unique", SQLITE_STATIC);
+ sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "avgrowsize", SQLITE_STATIC);
+ sqlite3VdbeAddOp2(v, OP_Integer, 0, 1);
+ sqlite3VdbeAddOp2(v, OP_Null, 0, 2);
+ sqlite3VdbeAddOp2(v, OP_Integer, 1, 3);
+ sqlite3VdbeAddOp2(v, OP_Integer,
+ (int)sqlite3LogEstToInt(pTab->szTabRow), 4);
+ sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 4);
+ for(pIdx=pTab->pIndex, i=1; pIdx; pIdx=pIdx->pNext, i++){
+ sqlite3VdbeAddOp2(v, OP_Integer, i, 1);
+ sqlite3VdbeAddOp4(v, OP_String8, 0, 2, 0, pIdx->zName, 0);
+ sqlite3VdbeAddOp2(v, OP_Integer, pIdx->onError!=OE_None, 3);
+ sqlite3VdbeAddOp2(v, OP_Integer,
+ (int)sqlite3LogEstToInt(pIdx->szIdxRow), 4);
+ sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 4);
}
}
- }else
+ }
+ break;
- if( sqlite3StrICmp(zLeft, "database_list")==0 ){
+ case PragTyp_DATABASE_LIST: {
int i;
- if( sqlite3ReadSchema(pParse) ) goto pragma_out;
sqlite3VdbeSetNumCols(v, 3);
pParse->nMem = 3;
sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seq", SQLITE_STATIC);
@@ -1142,9 +1498,10 @@ void sqlite3Pragma(
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);
@@ -1157,14 +1514,14 @@ void sqlite3Pragma(
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;
pTab = sqlite3FindTable(db, zRight, zDb);
if( pTab ){
v = sqlite3GetVdbe(pParse);
@@ -1204,12 +1561,13 @@ void sqlite3Pragma(
}
}
}
- }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 */
@@ -1225,7 +1583,6 @@ void sqlite3Pragma(
int addrOk; /* Jump here if the key is OK */
int *aiCols; /* child to parent column mapping */
- if( sqlite3ReadSchema(pParse) ) goto pragma_out;
regResult = pParse->nMem+1;
pParse->nMem += 4;
regKey = ++pParse->nMem;
@@ -1319,12 +1676,13 @@ void sqlite3Pragma(
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: ");
@@ -1332,17 +1690,19 @@ void sqlite3Pragma(
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
@@ -1353,9 +1713,7 @@ void sqlite3Pragma(
** 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
@@ -1385,7 +1743,6 @@ void sqlite3Pragma(
if( pId2->z==0 ) iDb = -1;
/* Initialize the VDBE program */
- if( sqlite3ReadSchema(pParse) ) goto pragma_out;
pParse->nMem = 6;
sqlite3VdbeSetNumCols(v, 1);
sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "integrity_check", SQLITE_STATIC);
@@ -1515,7 +1872,8 @@ void sqlite3Pragma(
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
@@ -1541,7 +1899,7 @@ void sqlite3Pragma(
** 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;
@@ -1588,7 +1946,8 @@ void sqlite3Pragma(
}
}
}
- }else
+ }
+ break;
#endif /* SQLITE_OMIT_UTF16 */
#ifndef SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS
@@ -1622,11 +1981,7 @@ void sqlite3Pragma(
** 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] ){
@@ -1670,7 +2025,8 @@ void sqlite3Pragma(
sqlite3VdbeSetNumCols(v, 1);
sqlite3VdbeSetColName(v, 0, COLNAME_NAME, zLeft, SQLITE_TRANSIENT);
}
- }else
+ }
+ break;
#endif /* SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS */
#ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS
@@ -1680,7 +2036,7 @@ void sqlite3Pragma(
** 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);
@@ -1690,7 +2046,8 @@ void sqlite3Pragma(
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
@@ -1699,7 +2056,7 @@ void sqlite3Pragma(
**
** 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 ){
@@ -1709,7 +2066,6 @@ void sqlite3Pragma(
eMode = SQLITE_CHECKPOINT_RESTART;
}
}
- if( sqlite3ReadSchema(pParse) ) goto pragma_out;
sqlite3VdbeSetNumCols(v, 3);
pParse->nMem = 3;
sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "busy", SQLITE_STATIC);
@@ -1718,7 +2074,8 @@ void sqlite3Pragma(
sqlite3VdbeAddOp3(v, OP_Checkpoint, iBt, eMode, 1);
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 3);
- }else
+ }
+ break;
/*
** PRAGMA wal_autocheckpoint
@@ -1728,14 +2085,15 @@ void sqlite3Pragma(
** 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
/*
@@ -1744,9 +2102,10 @@ void sqlite3Pragma(
** 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
@@ -1757,18 +2116,36 @@ void sqlite3Pragma(
** 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*/ default: {
+ assert( aPragmaNames[mid].ePragTyp==PragTyp_BUSY_TIMEOUT );
if( zRight ){
sqlite3_busy_timeout(db, sqlite3Atoi(zRight));
}
returnSingleInt(pParse, "timeout", db->busyTimeout);
- }else
+ break;
+ }
+
+ /*
+ ** PRAGMA soft_heap_limit
+ ** PRAGMA soft_heap_limit = N
+ **
+ ** Call sqlite3_soft_heap_limit64(N). Return the result. If N is omitted,
+ ** use -1.
+ */
+ case PragTyp_SOFT_HEAP_LIMIT: {
+ sqlite3_int64 N;
+ if( zRight && sqlite3Atoi64(zRight, &N, 1000000, SQLITE_UTF8)==SQLITE_OK ){
+ sqlite3_soft_heap_limit64(N);
+ }
+ returnSingleInt(pParse, "soft_heap_limit", sqlite3_soft_heap_limit64(-1));
+ 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"
};
@@ -1793,35 +2170,39 @@ void sqlite3Pragma(
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 ){
+ u8 iByte;
+ int i;
+ char zKey[40];
+ for(i=0, iByte=0; i<sizeof(zKey)*2 && sqlite3Isxdigit(zRight[i]); i++){
+ iByte = (iByte<<4) + sqlite3HexToInt(zRight[i]);
+ if( (i&1)!=0 ) zKey[i/2] = iByte;
+ }
+ 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]);
@@ -1832,11 +2213,11 @@ void sqlite3Pragma(
sqlite3_activate_cerod(&zRight[6]);
}
#endif
- }else
+ }
+ break;
#endif
-
- {/* Empty ELSE clause */}
+ } /* End of the PRAGMA switch */
pragma_out:
sqlite3DbFree(db, zLeft);
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-18 14:34:20 +0000