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Unified Diff: third_party/sqlite/src/src/pragma.c

Issue 901033002: Import SQLite 3.8.7.4. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Chromium changes to support SQLite 3.8.7.4. Created 5 years, 10 months ago
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Index: third_party/sqlite/src/src/pragma.c
diff --git a/third_party/sqlite/src/src/pragma.c b/third_party/sqlite/src/src/pragma.c
index 75ab26d441a0463a1d15e16b160d7c338f592596..543f265ba9ea1ae5e8e0fff897f91f76aa334450 100644
--- a/third_party/sqlite/src/src/pragma.c
+++ b/third_party/sqlite/src/src/pragma.c
@@ -13,21 +13,479 @@
*/
#include "sqliteInt.h"
-/* Ignore this whole file if pragmas are disabled
+#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:
*/
-#if !defined(SQLITE_OMIT_PRAGMA)
+#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_STATS 28
+#define PragTyp_SYNCHRONOUS 29
+#define PragTyp_TABLE_INFO 30
+#define PragTyp_TEMP_STORE 31
+#define PragTyp_TEMP_STORE_DIRECTORY 32
+#define PragTyp_THREADS 33
+#define PragTyp_WAL_AUTOCHECKPOINT 34
+#define PragTyp_WAL_CHECKPOINT 35
+#define PragTyp_ACTIVATE_EXTENSIONS 36
+#define PragTyp_HEXKEY 37
+#define PragTyp_KEY 38
+#define PragTyp_REKEY 39
+#define PragTyp_LOCK_STATUS 40
+#define PragTyp_PARSER_TRACE 41
+#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_FLAG_PRAGMAS)
+#if !defined(SQLITE_OMIT_AUTOMATIC_INDEX)
+ { /* zName: */ "automatic_index",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_AutoIndex },
+#endif
+#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
+#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
+ { /* zName: */ "cache_spill",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_CacheSpill },
+#endif
+ { /* zName: */ "case_sensitive_like",
+ /* ePragTyp: */ PragTyp_CASE_SENSITIVE_LIKE,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
+ { /* zName: */ "checkpoint_fullfsync",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_CkptFullFSync },
+#endif
+#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
+#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
+ { /* zName: */ "count_changes",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_CountRows },
+#endif
+#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_FLAG_PRAGMAS)
+#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
+ { /* zName: */ "defer_foreign_keys",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_DeferFKs },
+#endif
+#endif
+#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
+ { /* zName: */ "empty_result_callbacks",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_NullCallback },
+#endif
+#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_FLAG_PRAGMAS)
+#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
+ { /* zName: */ "foreign_keys",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_ForeignKeys },
+#endif
+#endif
+#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
+ { /* zName: */ "freelist_count",
+ /* ePragTyp: */ PragTyp_HEADER_VALUE,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
+ { /* zName: */ "full_column_names",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_FullColNames },
+ { /* zName: */ "fullfsync",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_FullFSync },
+#endif
+#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_FLAG_PRAGMAS)
+#if !defined(SQLITE_OMIT_CHECK)
+ { /* zName: */ "ignore_check_constraints",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_IgnoreChecks },
+#endif
+#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
+#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
+ { /* zName: */ "legacy_file_format",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_LegacyFileFmt },
+#endif
+#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
+#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
+ { /* zName: */ "query_only",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_QueryOnly },
+#endif
+#if !defined(SQLITE_OMIT_INTEGRITY_CHECK)
+ { /* zName: */ "quick_check",
+ /* ePragTyp: */ PragTyp_INTEGRITY_CHECK,
+ /* ePragFlag: */ PragFlag_NeedSchema,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
+ { /* zName: */ "read_uncommitted",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_ReadUncommitted },
+ { /* zName: */ "recursive_triggers",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_RecTriggers },
+#endif
+#if defined(SQLITE_HAS_CODEC)
+ { /* zName: */ "rekey",
+ /* ePragTyp: */ PragTyp_REKEY,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
+ { /* zName: */ "reverse_unordered_selects",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_ReverseOrder },
+#endif
+#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
+#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
+ { /* zName: */ "short_column_names",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_ShortColNames },
+#endif
+ { /* 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_OMIT_FLAG_PRAGMAS)
+#if defined(SQLITE_DEBUG)
+ { /* zName: */ "sql_trace",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_SqlTrace },
+#endif
+#endif
+#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
+ { /* zName: */ "stats",
+ /* ePragTyp: */ PragTyp_STATS,
+ /* ePragFlag: */ PragFlag_NeedSchema,
+ /* iArg: */ 0 },
+#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
+ { /* zName: */ "threads",
+ /* ePragTyp: */ PragTyp_THREADS,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
+ { /* zName: */ "user_version",
+ /* ePragTyp: */ PragTyp_HEADER_VALUE,
+ /* ePragFlag: */ 0,
+ /* iArg: */ 0 },
+#endif
+#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
+#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_eqp",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_VdbeEQP },
+ { /* zName: */ "vdbe_listing",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_VdbeListing },
+ { /* zName: */ "vdbe_trace",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_VdbeTrace },
+#endif
+#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
+#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
+ { /* zName: */ "writable_schema",
+ /* ePragTyp: */ PragTyp_FLAG,
+ /* ePragFlag: */ 0,
+ /* iArg: */ SQLITE_WriteSchema|SQLITE_RecoveryMode },
+#endif
+};
+/* Number of pragmas: 57 on by default, 70 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
-** unrecognized string argument.
+** unrecognized string argument. The FULL option is disallowed
+** if the omitFull parameter it 1.
**
** Note that the values returned are one less that the values that
** should be passed into sqlite3BtreeSetSafetyLevel(). The is done
** to support legacy SQL code. The safety level used to be boolean
** and older scripts may have used numbers 0 for OFF and 1 for ON.
*/
-static u8 getSafetyLevel(const char *z){
+static u8 getSafetyLevel(const char *z, int omitFull, u8 dflt){
/* 123456789 123456789 */
static const char zText[] = "onoffalseyestruefull";
static const u8 iOffset[] = {0, 1, 2, 4, 9, 12, 16};
@@ -38,21 +496,27 @@ static u8 getSafetyLevel(const char *z){
return (u8)sqlite3Atoi(z);
}
n = sqlite3Strlen30(z);
- for(i=0; i<ArraySize(iLength); i++){
+ for(i=0; i<ArraySize(iLength)-omitFull; i++){
if( iLength[i]==n && sqlite3StrNICmp(&zText[iOffset[i]],z,n)==0 ){
return iValue[i];
}
}
- return 1;
+ return dflt;
}
/*
** Interpret the given string as a boolean value.
*/
-static u8 getBoolean(const char *z){
- return getSafetyLevel(z)&1;
+u8 sqlite3GetBoolean(const char *z, u8 dflt){
+ return getSafetyLevel(z,1,dflt)!=0;
}
+/* The sqlite3GetBoolean() function is used by other modules but the
+** remainder of this file is specific to PRAGMA processing. So omit
+** the rest of the file if PRAGMAs are omitted from the build.
+*/
+#if !defined(SQLITE_OMIT_PRAGMA)
+
/*
** Interpret the given string as a locking mode value.
*/
@@ -115,7 +579,7 @@ static int invalidateTempStorage(Parse *pParse){
}
sqlite3BtreeClose(db->aDb[1].pBt);
db->aDb[1].pBt = 0;
- sqlite3ResetInternalSchema(db, -1);
+ sqlite3ResetAllSchemasOfConnection(db);
}
return SQLITE_OK;
}
@@ -155,90 +619,35 @@ static void returnSingleInt(Parse *pParse, const char *zLabel, i64 value){
sqlite3VdbeAddOp2(v, OP_ResultRow, mem, 1);
}
-#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.
+** Set the safety_level and pager flags for pager iDb. Or if iDb<0
+** set these values for all pagers.
*/
-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 },
- { "reverse_unordered_selects", SQLITE_ReverseOrder },
-#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 },
-#endif
-#ifndef SQLITE_OMIT_CHECK
- { "ignore_check_constraints", SQLITE_IgnoreChecks },
-#endif
- /* The following is VERY experimental */
- { "writable_schema", SQLITE_WriteSchema|SQLITE_RecoveryMode },
- { "omit_readlock", SQLITE_NoReadlock },
-
- /* 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 },
-#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( getBoolean(zRight) ){
- db->flags |= mask;
- }else{
- db->flags &= ~mask;
- }
-
- /* 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);
- }
+#ifndef SQLITE_OMIT_PAGER_PRAGMAS
+static void setAllPagerFlags(sqlite3 *db){
+ if( db->autoCommit ){
+ Db *pDb = db->aDb;
+ int n = db->nDb;
+ assert( SQLITE_FullFSync==PAGER_FULLFSYNC );
+ assert( SQLITE_CkptFullFSync==PAGER_CKPT_FULLFSYNC );
+ assert( SQLITE_CacheSpill==PAGER_CACHESPILL );
+ assert( (PAGER_FULLFSYNC | PAGER_CKPT_FULLFSYNC | PAGER_CACHESPILL)
+ == PAGER_FLAGS_MASK );
+ assert( (pDb->safety_level & PAGER_SYNCHRONOUS_MASK)==pDb->safety_level );
+ while( (n--) > 0 ){
+ if( pDb->pBt ){
+ sqlite3BtreeSetPagerFlags(pDb->pBt,
+ pDb->safety_level | (db->flags & PAGER_FLAGS_MASK) );
}
-
- return 1;
+ pDb++;
}
}
- return 0;
}
-#endif /* SQLITE_OMIT_FLAG_PRAGMAS */
+#else
+# define setAllPagerFlags(X) /* no-op */
+#endif
+
/*
** Return a human-readable name for a constraint resolution action.
@@ -309,10 +718,14 @@ 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 */
+ char *aFcntl[4]; /* Argument to SQLITE_FCNTL_PRAGMA */
int iDb; /* Database index for <database> */
- sqlite3 *db = pParse->db;
- Db *pDb;
- Vdbe *v = pParse->pVdbe = sqlite3VdbeCreate(db);
+ 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 */
+ Vdbe *v = sqlite3GetVdbe(pParse); /* Prepared statement */
+
if( v==0 ) return;
sqlite3VdbeRunOnlyOnce(v);
pParse->nMem = 2;
@@ -343,8 +756,62 @@ void sqlite3Pragma(
if( sqlite3AuthCheck(pParse, SQLITE_PRAGMA, zLeft, zRight, zDb) ){
goto pragma_out;
}
-
-#ifndef SQLITE_OMIT_PAGER_PRAGMAS
+
+ /* Send an SQLITE_FCNTL_PRAGMA file-control to the underlying VFS
+ ** connection. If it returns SQLITE_OK, then assume that the VFS
+ ** handled the pragma and generate a no-op prepared statement.
+ */
+ aFcntl[0] = 0;
+ aFcntl[1] = zLeft;
+ aFcntl[2] = zRight;
+ aFcntl[3] = 0;
+ db->busyHandler.nBusy = 0;
+ rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_PRAGMA, (void*)aFcntl);
+ if( rc==SQLITE_OK ){
+ if( aFcntl[0] ){
+ int mem = ++pParse->nMem;
+ sqlite3VdbeAddOp4(v, OP_String8, 0, mem, 0, aFcntl[0], 0);
+ sqlite3VdbeSetNumCols(v, 1);
+ sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "result", SQLITE_STATIC);
+ sqlite3VdbeAddOp2(v, OP_ResultRow, mem, 1);
+ sqlite3_free(aFcntl[0]);
+ }
+ goto pragma_out;
+ }
+ if( rc!=SQLITE_NOTFOUND ){
+ if( aFcntl[0] ){
+ sqlite3ErrorMsg(pParse, "%s", aFcntl[0]);
+ sqlite3_free(aFcntl[0]);
+ }
+ pParse->nErr++;
+ pParse->rc = rc;
+ 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
** PRAGMA [database.]default_cache_size=N
@@ -361,25 +828,26 @@ 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 int iLn = VDBE_OFFSET_LINENO(2);
static const VdbeOpList getCacheSize[] = {
{ OP_Transaction, 0, 0, 0}, /* 0 */
{ OP_ReadCookie, 0, 1, BTREE_DEFAULT_CACHE_SIZE}, /* 1 */
- { OP_IfPos, 1, 7, 0},
+ { OP_IfPos, 1, 8, 0},
{ OP_Integer, 0, 2, 0},
{ OP_Subtract, 1, 2, 1},
- { OP_IfPos, 1, 7, 0},
+ { OP_IfPos, 1, 8, 0},
{ OP_Integer, 0, 1, 0}, /* 6 */
+ { OP_Noop, 0, 0, 0},
{ OP_ResultRow, 1, 1, 0},
};
int addr;
- if( sqlite3ReadSchema(pParse) ) goto pragma_out;
sqlite3VdbeUsesBtree(v, iDb);
if( !zRight ){
sqlite3VdbeSetNumCols(v, 1);
sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "cache_size", SQLITE_STATIC);
pParse->nMem += 2;
- addr = sqlite3VdbeAddOpList(v, ArraySize(getCacheSize), getCacheSize);
+ addr = sqlite3VdbeAddOpList(v, ArraySize(getCacheSize), getCacheSize,iLn);
sqlite3VdbeChangeP1(v, addr, iDb);
sqlite3VdbeChangeP1(v, addr+1, iDb);
sqlite3VdbeChangeP1(v, addr+6, SQLITE_DEFAULT_CACHE_SIZE);
@@ -392,8 +860,11 @@ 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)
/*
** PRAGMA [database.]page_size
** PRAGMA [database.]page_size=N
@@ -403,7 +874,7 @@ 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 ){
@@ -414,11 +885,12 @@ void sqlite3Pragma(
** buffer that the pager module resizes using sqlite3_realloc().
*/
db->nextPagesize = sqlite3Atoi(zRight);
- if( SQLITE_NOMEM==sqlite3BtreeSetPageSize(pBt, db->nextPagesize, -1, 0) ){
+ if( SQLITE_NOMEM==sqlite3BtreeSetPageSize(pBt, db->nextPagesize,-1,0) ){
db->mallocFailed = 1;
}
}
- }else
+ break;
+ }
/*
** PRAGMA [database.]secure_delete
@@ -428,12 +900,12 @@ 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 );
if( zRight ){
- b = getBoolean(zRight);
+ b = sqlite3GetBoolean(zRight, 0);
}
if( pId2->n==0 && b>=0 ){
int ii;
@@ -443,7 +915,8 @@ void sqlite3Pragma(
}
b = sqlite3BtreeSecureDelete(pBt, b);
returnSingleInt(pParse, "secure_delete", b);
- }else
+ break;
+ }
/*
** PRAGMA [database.]max_page_count
@@ -454,32 +927,35 @@ void sqlite3Pragma(
** second form attempts to change this setting. Both
** forms return the current setting.
**
+ ** The absolute value of N is used. This is undocumented and might
+ ** change. The only purpose is to provide an easy way to test
+ ** the sqlite3AbsInt32() function.
+ **
** PRAGMA [database.]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);
iReg = ++pParse->nMem;
- if( zLeft[0]=='p' ){
+ if( sqlite3Tolower(zLeft[0])=='p' ){
sqlite3VdbeAddOp2(v, OP_Pagecount, iDb, iReg);
}else{
- sqlite3VdbeAddOp3(v, OP_MaxPgcnt, iDb, iReg, sqlite3Atoi(zRight));
+ sqlite3VdbeAddOp3(v, OP_MaxPgcnt, iDb, iReg,
+ sqlite3AbsInt32(sqlite3Atoi(zRight)));
}
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);
@@ -512,7 +988,8 @@ 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";
}
@@ -520,23 +997,18 @@ 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 cases all
- ** database files to be opened and the journal_modes set. */
- if( sqlite3ReadSchema(pParse) ){
- goto pragma_out;
- }
-
sqlite3VdbeSetNumCols(v, 1);
sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "journal_mode", SQLITE_STATIC);
@@ -568,7 +1040,8 @@ void sqlite3Pragma(
}
}
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 1);
- }else
+ break;
+ }
/*
** PRAGMA [database.]journal_size_limit
@@ -576,16 +1049,17 @@ 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 ){
- sqlite3Atoi64(zRight, &iLimit, 1000000, SQLITE_UTF8);
+ sqlite3DecOrHexToI64(zRight, &iLimit);
if( iLimit<-1 ) iLimit = -1;
}
iLimit = sqlite3PagerJournalSizeLimit(pPager, iLimit);
returnSingleInt(pParse, "journal_size_limit", iLimit);
- }else
+ break;
+ }
#endif /* SQLITE_OMIT_PAGER_PRAGMAS */
@@ -597,57 +1071,48 @@ 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.
*/
- int 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 int iLn = VDBE_OFFSET_LINENO(2);
+ 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, iLn);
+ 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
/*
@@ -656,22 +1121,20 @@ 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;
}
sqlite3BeginWriteOperation(pParse, 0, iDb);
sqlite3VdbeAddOp2(v, OP_Integer, iLimit, 1);
- addr = sqlite3VdbeAddOp1(v, OP_IncrVacuum, iDb);
+ addr = sqlite3VdbeAddOp1(v, OP_IncrVacuum, iDb); VdbeCoverage(v);
sqlite3VdbeAddOp1(v, OP_ResultRow, 1);
sqlite3VdbeAddOp2(v, OP_AddImm, 1, -1);
- sqlite3VdbeAddOp2(v, OP_IfPos, 1, addr);
+ sqlite3VdbeAddOp2(v, OP_IfPos, 1, addr); VdbeCoverage(v);
sqlite3VdbeJumpHere(v, addr);
- }else
+ break;
+ }
#endif
#ifndef SQLITE_OMIT_PAGER_PRAGMAS
@@ -680,26 +1143,67 @@ void sqlite3Pragma(
** PRAGMA [database.]cache_size=N
**
** The first form reports the current local setting for the
- ** page cache size. The local setting can be different from
- ** the persistent cache size value that is stored in the database
- ** file itself. The value returned is the maximum number of
- ** pages in the page cache. The second form sets the local
- ** page cache size value. It does not change the persistent
- ** cache size stored on the disk so the cache size will revert
- ** to its default value when the database is closed and reopened.
- ** N should be a positive integer.
+ ** page cache size. The second form sets the local
+ ** page cache size value. If N is positive then that is the
+ ** number of pages in the cache. If N is negative, then the
+ ** 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);
}else{
- int size = sqlite3AbsInt32(sqlite3Atoi(zRight));
+ int size = sqlite3Atoi(zRight);
pDb->pSchema->cache_size = size;
sqlite3BtreeSetCacheSize(pDb->pBt, pDb->pSchema->cache_size);
}
- }else
+ break;
+ }
+
+ /*
+ ** PRAGMA [database.]mmap_size(N)
+ **
+ ** Used to set mapping size limit. The mapping size limit is
+ ** used to limit the aggregate size of all memory mapped regions of the
+ ** database file. If this parameter is set to zero, then memory mapping
+ ** is not used at all. If N is negative, then the default memory map
+ ** limit determined by sqlite3_config(SQLITE_CONFIG_MMAP_SIZE) is set.
+ ** The parameter N is measured in bytes.
+ **
+ ** This value is advisory. The underlying VFS is free to memory map
+ ** 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.
+ */
+ case PragTyp_MMAP_SIZE: {
+ sqlite3_int64 sz;
+#if SQLITE_MAX_MMAP_SIZE>0
+ assert( sqlite3SchemaMutexHeld(db, iDb, 0) );
+ if( zRight ){
+ int ii;
+ sqlite3DecOrHexToI64(zRight, &sz);
+ if( sz<0 ) sz = sqlite3GlobalConfig.szMmap;
+ if( pId2->n==0 ) db->szMmap = sz;
+ for(ii=db->nDb-1; ii>=0; ii--){
+ if( db->aDb[ii].pBt && (ii==iDb || pId2->n==0) ){
+ sqlite3BtreeSetMmapLimit(db->aDb[ii].pBt, sz);
+ }
+ }
+ }
+ sz = -1;
+ rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_MMAP_SIZE, &sz);
+#else
+ sz = 0;
+ rc = SQLITE_OK;
+#endif
+ if( rc==SQLITE_OK ){
+ returnSingleInt(pParse, "mmap_size", sz);
+ }else if( rc!=SQLITE_NOTFOUND ){
+ pParse->nErr++;
+ pParse->rc = rc;
+ }
+ break;
+ }
/*
** PRAGMA temp_store
@@ -712,13 +1216,14 @@ 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
@@ -730,7 +1235,7 @@ 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);
@@ -742,7 +1247,6 @@ void sqlite3Pragma(
}else{
#ifndef SQLITE_OMIT_WSD
if( zRight[0] ){
- int rc;
int res;
rc = sqlite3OsAccess(db->pVfs, zRight, SQLITE_ACCESS_READWRITE, &res);
if( rc!=SQLITE_OK || res==0 ){
@@ -764,30 +1268,69 @@ void sqlite3Pragma(
}
#endif /* SQLITE_OMIT_WSD */
}
- }else
+ break;
+ }
-#if !defined(SQLITE_ENABLE_LOCKING_STYLE)
-# if defined(__APPLE__)
-# define SQLITE_ENABLE_LOCKING_STYLE 1
-# else
-# define SQLITE_ENABLE_LOCKING_STYLE 0
-# endif
+#if SQLITE_OS_WIN
+ /*
+ ** PRAGMA data_store_directory
+ ** PRAGMA data_store_directory = ""|"directory_name"
+ **
+ ** Return or set the local value of the data_store_directory flag. Changing
+ ** the value sets a specific directory to be used for database files that
+ ** were specified with a relative pathname. Setting to a null string reverts
+ ** to the default database directory, which for database files specified with
+ ** a relative path will probably be based on the current directory for the
+ ** process. Database file specified with an absolute path are not impacted
+ ** by this setting, regardless of its value.
+ **
+ */
+ case PragTyp_DATA_STORE_DIRECTORY: {
+ if( !zRight ){
+ if( sqlite3_data_directory ){
+ sqlite3VdbeSetNumCols(v, 1);
+ sqlite3VdbeSetColName(v, 0, COLNAME_NAME,
+ "data_store_directory", SQLITE_STATIC);
+ sqlite3VdbeAddOp4(v, OP_String8, 0, 1, 0, sqlite3_data_directory, 0);
+ sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 1);
+ }
+ }else{
+#ifndef SQLITE_OMIT_WSD
+ if( zRight[0] ){
+ int res;
+ rc = sqlite3OsAccess(db->pVfs, zRight, SQLITE_ACCESS_READWRITE, &res);
+ if( rc!=SQLITE_OK || res==0 ){
+ sqlite3ErrorMsg(pParse, "not a writable directory");
+ goto pragma_out;
+ }
+ }
+ sqlite3_free(sqlite3_data_directory);
+ if( zRight[0] ){
+ sqlite3_data_directory = sqlite3_mprintf("%s", zRight);
+ }else{
+ sqlite3_data_directory = 0;
+ }
+#endif /* SQLITE_OMIT_WSD */
+ }
+ break;
+ }
#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;
sqlite3_file *pFile = sqlite3PagerFile(pPager);
- sqlite3OsFileControl(pFile, SQLITE_GET_LOCKPROXYFILE,
+ sqlite3OsFileControlHint(pFile, SQLITE_GET_LOCKPROXYFILE,
&proxy_file_path);
if( proxy_file_path ){
@@ -813,7 +1356,8 @@ void sqlite3Pragma(
goto pragma_out;
}
}
- }else
+ break;
+ }
#endif /* SQLITE_ENABLE_LOCKING_STYLE */
/*
@@ -825,8 +1369,7 @@ 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{
@@ -834,17 +1377,49 @@ void sqlite3Pragma(
sqlite3ErrorMsg(pParse,
"Safety level may not be changed inside a transaction");
}else{
- pDb->safety_level = getSafetyLevel(zRight)+1;
+ pDb->safety_level = getSafetyLevel(zRight,0,1)+1;
+ setAllPagerFlags(db);
}
}
- }else
+ break;
+ }
#endif /* SQLITE_OMIT_PAGER_PRAGMAS */
#ifndef SQLITE_OMIT_FLAG_PRAGMAS
- if( flagPragma(pParse, zLeft, zRight) ){
- /* The flagPragma() subroutine also generates any necessary code
- ** there is nothing more to do here */
- }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 SQLITE_USER_AUTHENTICATION
+ if( db->auth.authLevel==UAUTH_User ){
+ /* Do not allow non-admin users to modify the schema arbitrarily */
+ mask &= ~(SQLITE_WriteSchema);
+ }
+#endif
+
+ 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
@@ -860,16 +1435,17 @@ 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;
+ int i, k;
int nHidden = 0;
Column *pCol;
+ Index *pPk = sqlite3PrimaryKeyIndex(pTab);
sqlite3VdbeSetNumCols(v, 6);
pParse->nMem = 6;
+ sqlite3CodeVerifySchema(pParse, iDb);
sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "cid", SQLITE_STATIC);
sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE_STATIC);
sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "type", SQLITE_STATIC);
@@ -892,27 +1468,67 @@ void sqlite3Pragma(
}else{
sqlite3VdbeAddOp2(v, OP_Null, 0, 5);
}
- sqlite3VdbeAddOp2(v, OP_Integer, pCol->isPrimKey, 6);
+ if( (pCol->colFlags & COLFLAG_PRIMKEY)==0 ){
+ k = 0;
+ }else if( pPk==0 ){
+ k = 1;
+ }else{
+ for(k=1; ALWAYS(k<=pTab->nCol) && pPk->aiColumn[k-1]!=i; k++){}
+ }
+ sqlite3VdbeAddOp2(v, OP_Integer, k, 6);
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 6);
}
}
- }else
+ }
+ break;
+
+ case PragTyp_STATS: {
+ Index *pIdx;
+ HashElem *i;
+ v = sqlite3GetVdbe(pParse);
+ sqlite3VdbeSetNumCols(v, 4);
+ pParse->nMem = 4;
+ sqlite3CodeVerifySchema(pParse, iDb);
+ sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "table", SQLITE_STATIC);
+ sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "index", SQLITE_STATIC);
+ sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "width", SQLITE_STATIC);
+ sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "height", SQLITE_STATIC);
+ for(i=sqliteHashFirst(&pDb->pSchema->tblHash); i; i=sqliteHashNext(i)){
+ Table *pTab = sqliteHashData(i);
+ sqlite3VdbeAddOp4(v, OP_String8, 0, 1, 0, pTab->zName, 0);
+ sqlite3VdbeAddOp2(v, OP_Null, 0, 2);
+ sqlite3VdbeAddOp2(v, OP_Integer,
+ (int)sqlite3LogEstToInt(pTab->szTabRow), 3);
+ sqlite3VdbeAddOp2(v, OP_Integer,
+ (int)sqlite3LogEstToInt(pTab->nRowLogEst), 4);
+ sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 4);
+ for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){
+ sqlite3VdbeAddOp4(v, OP_String8, 0, 2, 0, pIdx->zName, 0);
+ sqlite3VdbeAddOp2(v, OP_Integer,
+ (int)sqlite3LogEstToInt(pIdx->szIdxRow), 3);
+ sqlite3VdbeAddOp2(v, OP_Integer,
+ (int)sqlite3LogEstToInt(pIdx->aiRowLogEst[0]), 4);
+ sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 4);
+ }
+ }
+ }
+ 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;
pTab = pIdx->pTable;
sqlite3VdbeSetNumCols(v, 3);
pParse->nMem = 3;
+ sqlite3CodeVerifySchema(pParse, iDb);
sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seqno", SQLITE_STATIC);
sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "cid", SQLITE_STATIC);
sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "name", SQLITE_STATIC);
- for(i=0; i<pIdx->nColumn; i++){
- int cnum = pIdx->aiColumn[i];
+ for(i=0; i<pIdx->nKeyCol; i++){
+ i16 cnum = pIdx->aiColumn[i];
sqlite3VdbeAddOp2(v, OP_Integer, i, 1);
sqlite3VdbeAddOp2(v, OP_Integer, cnum, 2);
assert( pTab->nCol>cnum );
@@ -920,38 +1536,34 @@ 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;
- 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, 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);
+ for(pIdx=pTab->pIndex, i=0; 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, IsUniqueIndex(pIdx), 3);
+ sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 3);
}
}
- }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);
@@ -966,9 +1578,10 @@ 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);
@@ -981,14 +1594,14 @@ 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);
@@ -997,6 +1610,7 @@ void sqlite3Pragma(
int i = 0;
sqlite3VdbeSetNumCols(v, 8);
pParse->nMem = 8;
+ sqlite3CodeVerifySchema(pParse, iDb);
sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "id", SQLITE_STATIC);
sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "seq", SQLITE_STATIC);
sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "table", SQLITE_STATIC);
@@ -1027,59 +1641,191 @@ void sqlite3Pragma(
}
}
}
- }else
+ }
+ break;
+#endif /* !defined(SQLITE_OMIT_FOREIGN_KEY) */
+
+#ifndef SQLITE_OMIT_FOREIGN_KEY
+#ifndef SQLITE_OMIT_TRIGGER
+ 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 */
+ Index *pIdx; /* Index in the parent table */
+ int i; /* Loop counter: Foreign key number for pTab */
+ int j; /* Loop counter: Field of the foreign key */
+ HashElem *k; /* Loop counter: Next table in schema */
+ int x; /* result variable */
+ int regResult; /* 3 registers to hold a result row */
+ int regKey; /* Register to hold key for checking the FK */
+ int regRow; /* Registers to hold a row from pTab */
+ int addrTop; /* Top of a loop checking foreign keys */
+ int addrOk; /* Jump here if the key is OK */
+ int *aiCols; /* child to parent column mapping */
+
+ regResult = pParse->nMem+1;
+ pParse->nMem += 4;
+ regKey = ++pParse->nMem;
+ regRow = ++pParse->nMem;
+ v = sqlite3GetVdbe(pParse);
+ sqlite3VdbeSetNumCols(v, 4);
+ sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "table", SQLITE_STATIC);
+ sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "rowid", SQLITE_STATIC);
+ sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "parent", SQLITE_STATIC);
+ sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "fkid", SQLITE_STATIC);
+ sqlite3CodeVerifySchema(pParse, iDb);
+ k = sqliteHashFirst(&db->aDb[iDb].pSchema->tblHash);
+ while( k ){
+ if( zRight ){
+ pTab = sqlite3LocateTable(pParse, 0, zRight, zDb);
+ k = 0;
+ }else{
+ pTab = (Table*)sqliteHashData(k);
+ k = sqliteHashNext(k);
+ }
+ if( pTab==0 || pTab->pFKey==0 ) continue;
+ sqlite3TableLock(pParse, iDb, pTab->tnum, 0, pTab->zName);
+ if( pTab->nCol+regRow>pParse->nMem ) pParse->nMem = pTab->nCol + regRow;
+ sqlite3OpenTable(pParse, 0, iDb, pTab, OP_OpenRead);
+ sqlite3VdbeAddOp4(v, OP_String8, 0, regResult, 0, pTab->zName,
+ P4_TRANSIENT);
+ for(i=1, pFK=pTab->pFKey; pFK; i++, pFK=pFK->pNextFrom){
+ pParent = sqlite3FindTable(db, pFK->zTo, zDb);
+ if( pParent==0 ) continue;
+ pIdx = 0;
+ sqlite3TableLock(pParse, iDb, pParent->tnum, 0, pParent->zName);
+ x = sqlite3FkLocateIndex(pParse, pParent, pFK, &pIdx, 0);
+ if( x==0 ){
+ if( pIdx==0 ){
+ sqlite3OpenTable(pParse, i, iDb, pParent, OP_OpenRead);
+ }else{
+ sqlite3VdbeAddOp3(v, OP_OpenRead, i, pIdx->tnum, iDb);
+ sqlite3VdbeSetP4KeyInfo(pParse, pIdx);
+ }
+ }else{
+ k = 0;
+ break;
+ }
+ }
+ assert( pParse->nErr>0 || pFK==0 );
+ if( pFK ) break;
+ if( pParse->nTab<i ) pParse->nTab = i;
+ addrTop = sqlite3VdbeAddOp1(v, OP_Rewind, 0); VdbeCoverage(v);
+ for(i=1, pFK=pTab->pFKey; pFK; i++, pFK=pFK->pNextFrom){
+ pParent = sqlite3FindTable(db, pFK->zTo, zDb);
+ pIdx = 0;
+ aiCols = 0;
+ if( pParent ){
+ x = sqlite3FkLocateIndex(pParse, pParent, pFK, &pIdx, &aiCols);
+ assert( x==0 );
+ }
+ addrOk = sqlite3VdbeMakeLabel(v);
+ if( pParent && pIdx==0 ){
+ int iKey = pFK->aCol[0].iFrom;
+ assert( iKey>=0 && iKey<pTab->nCol );
+ if( iKey!=pTab->iPKey ){
+ sqlite3VdbeAddOp3(v, OP_Column, 0, iKey, regRow);
+ sqlite3ColumnDefault(v, pTab, iKey, regRow);
+ sqlite3VdbeAddOp2(v, OP_IsNull, regRow, addrOk); VdbeCoverage(v);
+ sqlite3VdbeAddOp2(v, OP_MustBeInt, regRow,
+ sqlite3VdbeCurrentAddr(v)+3); VdbeCoverage(v);
+ }else{
+ sqlite3VdbeAddOp2(v, OP_Rowid, 0, regRow);
+ }
+ sqlite3VdbeAddOp3(v, OP_NotExists, i, 0, regRow); VdbeCoverage(v);
+ sqlite3VdbeAddOp2(v, OP_Goto, 0, addrOk);
+ sqlite3VdbeJumpHere(v, sqlite3VdbeCurrentAddr(v)-2);
+ }else{
+ for(j=0; j<pFK->nCol; j++){
+ sqlite3ExprCodeGetColumnOfTable(v, pTab, 0,
+ aiCols ? aiCols[j] : pFK->aCol[j].iFrom, regRow+j);
+ sqlite3VdbeAddOp2(v, OP_IsNull, regRow+j, addrOk); VdbeCoverage(v);
+ }
+ if( pParent ){
+ sqlite3VdbeAddOp4(v, OP_MakeRecord, regRow, pFK->nCol, regKey,
+ sqlite3IndexAffinityStr(v,pIdx), pFK->nCol);
+ sqlite3VdbeAddOp4Int(v, OP_Found, i, addrOk, regKey, 0);
+ VdbeCoverage(v);
+ }
+ }
+ sqlite3VdbeAddOp2(v, OP_Rowid, 0, regResult+1);
+ sqlite3VdbeAddOp4(v, OP_String8, 0, regResult+2, 0,
+ pFK->zTo, P4_TRANSIENT);
+ sqlite3VdbeAddOp2(v, OP_Integer, i-1, regResult+3);
+ sqlite3VdbeAddOp2(v, OP_ResultRow, regResult, 4);
+ sqlite3VdbeResolveLabel(v, addrOk);
+ sqlite3DbFree(db, aiCols);
+ }
+ sqlite3VdbeAddOp2(v, OP_Next, 0, addrTop+1); VdbeCoverage(v);
+ sqlite3VdbeJumpHere(v, addrTop);
+ }
+ }
+ 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( getBoolean(zRight) ){
+ if( sqlite3GetBoolean(zRight, 0) ){
sqlite3ParserTrace(stderr, "parser: ");
}else{
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, getBoolean(zRight));
+ sqlite3RegisterLikeFunctions(db, sqlite3GetBoolean(zRight, 0));
}
- }else
+ }
+ break;
#ifndef SQLITE_INTEGRITY_CHECK_ERROR_MAX
# define SQLITE_INTEGRITY_CHECK_ERROR_MAX 100
#endif
#ifndef SQLITE_OMIT_INTEGRITY_CHECK
- /* Pragma "quick_check" is an experimental reduced version of
+ /* Pragma "quick_check" is reduced version of
** 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
** messages have been generated, output OK. Otherwise output the
** error message
*/
+ static const int iLn = VDBE_OFFSET_LINENO(2);
static const VdbeOpList endCode[] = {
- { OP_AddImm, 1, 0, 0}, /* 0 */
- { OP_IfNeg, 1, 0, 0}, /* 1 */
- { OP_String8, 0, 3, 0}, /* 2 */
+ { OP_IfNeg, 1, 0, 0}, /* 0 */
+ { OP_String8, 0, 3, 0}, /* 1 */
{ OP_ResultRow, 3, 1, 0},
};
- int isQuick = (zLeft[0]=='q');
+ int isQuick = (sqlite3Tolower(zLeft[0])=='q');
+
+ /* If the PRAGMA command was of the form "PRAGMA <db>.integrity_check",
+ ** then iDb is set to the index of the database identified by <db>.
+ ** In this case, the integrity of database iDb only is verified by
+ ** the VDBE created below.
+ **
+ ** Otherwise, if the command was simply "PRAGMA integrity_check" (or
+ ** "PRAGMA quick_check"), then iDb is set to 0. In this case, set iDb
+ ** to -1 here, to indicate that the VDBE should verify the integrity
+ ** of all attached databases. */
+ assert( iDb>=0 );
+ assert( iDb==0 || pId2->z );
+ 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);
@@ -1101,9 +1847,11 @@ void sqlite3Pragma(
int cnt = 0;
if( OMIT_TEMPDB && i==1 ) continue;
+ if( iDb>=0 && i!=iDb ) continue;
sqlite3CodeVerifySchema(pParse, i);
addr = sqlite3VdbeAddOp1(v, OP_IfPos, 1); /* Halt if out of errors */
+ VdbeCoverage(v);
sqlite3VdbeAddOp2(v, OP_Halt, 0, 0);
sqlite3VdbeJumpHere(v, addr);
@@ -1112,28 +1860,30 @@ void sqlite3Pragma(
** Begin by filling registers 2, 3, ... with the root pages numbers
** for all tables and indices in the database.
*/
- assert( sqlite3SchemaMutexHeld(db, iDb, 0) );
+ assert( sqlite3SchemaMutexHeld(db, i, 0) );
pTbls = &db->aDb[i].pSchema->tblHash;
for(x=sqliteHashFirst(pTbls); x; x=sqliteHashNext(x)){
Table *pTab = sqliteHashData(x);
Index *pIdx;
- sqlite3VdbeAddOp2(v, OP_Integer, pTab->tnum, 2+cnt);
- cnt++;
+ if( HasRowid(pTab) ){
+ sqlite3VdbeAddOp2(v, OP_Integer, pTab->tnum, 2+cnt);
+ VdbeComment((v, "%s", pTab->zName));
+ cnt++;
+ }
for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){
sqlite3VdbeAddOp2(v, OP_Integer, pIdx->tnum, 2+cnt);
+ VdbeComment((v, "%s", pIdx->zName));
cnt++;
}
}
/* Make sure sufficient number of registers have been allocated */
- if( pParse->nMem < cnt+4 ){
- pParse->nMem = cnt+4;
- }
+ pParse->nMem = MAX( pParse->nMem, cnt+8 );
/* Do the b-tree integrity checks */
sqlite3VdbeAddOp3(v, OP_IntegrityCk, 2, cnt, 1);
sqlite3VdbeChangeP5(v, (u8)i);
- addr = sqlite3VdbeAddOp1(v, OP_IsNull, 2);
+ addr = sqlite3VdbeAddOp1(v, OP_IsNull, 2); VdbeCoverage(v);
sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0,
sqlite3MPrintf(db, "*** in database %s ***\n", db->aDb[i].zName),
P4_DYNAMIC);
@@ -1146,77 +1896,127 @@ void sqlite3Pragma(
*/
for(x=sqliteHashFirst(pTbls); x && !isQuick; x=sqliteHashNext(x)){
Table *pTab = sqliteHashData(x);
- Index *pIdx;
+ Index *pIdx, *pPk;
+ Index *pPrior = 0;
int loopTop;
+ int iDataCur, iIdxCur;
+ int r1 = -1;
if( pTab->pIndex==0 ) continue;
+ pPk = HasRowid(pTab) ? 0 : sqlite3PrimaryKeyIndex(pTab);
addr = sqlite3VdbeAddOp1(v, OP_IfPos, 1); /* Stop if out of errors */
+ VdbeCoverage(v);
sqlite3VdbeAddOp2(v, OP_Halt, 0, 0);
sqlite3VdbeJumpHere(v, addr);
- sqlite3OpenTableAndIndices(pParse, pTab, 1, OP_OpenRead);
- sqlite3VdbeAddOp2(v, OP_Integer, 0, 2); /* reg(2) will count entries */
- loopTop = sqlite3VdbeAddOp2(v, OP_Rewind, 1, 0);
- sqlite3VdbeAddOp2(v, OP_AddImm, 2, 1); /* increment entry count */
+ sqlite3ExprCacheClear(pParse);
+ sqlite3OpenTableAndIndices(pParse, pTab, OP_OpenRead,
+ 1, 0, &iDataCur, &iIdxCur);
+ sqlite3VdbeAddOp2(v, OP_Integer, 0, 7);
for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){
- int jmp2;
- int r1;
- static const VdbeOpList idxErr[] = {
- { OP_AddImm, 1, -1, 0},
- { OP_String8, 0, 3, 0}, /* 1 */
- { OP_Rowid, 1, 4, 0},
- { OP_String8, 0, 5, 0}, /* 3 */
- { OP_String8, 0, 6, 0}, /* 4 */
- { OP_Concat, 4, 3, 3},
- { OP_Concat, 5, 3, 3},
- { OP_Concat, 6, 3, 3},
- { OP_ResultRow, 3, 1, 0},
- { OP_IfPos, 1, 0, 0}, /* 9 */
- { OP_Halt, 0, 0, 0},
- };
- r1 = sqlite3GenerateIndexKey(pParse, pIdx, 1, 3, 0);
- jmp2 = sqlite3VdbeAddOp4Int(v, OP_Found, j+2, 0, r1, pIdx->nColumn+1);
- addr = sqlite3VdbeAddOpList(v, ArraySize(idxErr), idxErr);
- sqlite3VdbeChangeP4(v, addr+1, "rowid ", P4_STATIC);
- sqlite3VdbeChangeP4(v, addr+3, " missing from index ", P4_STATIC);
- sqlite3VdbeChangeP4(v, addr+4, pIdx->zName, P4_TRANSIENT);
- sqlite3VdbeJumpHere(v, addr+9);
+ sqlite3VdbeAddOp2(v, OP_Integer, 0, 8+j); /* index entries counter */
+ }
+ pParse->nMem = MAX(pParse->nMem, 8+j);
+ sqlite3VdbeAddOp2(v, OP_Rewind, iDataCur, 0); VdbeCoverage(v);
+ loopTop = sqlite3VdbeAddOp2(v, OP_AddImm, 7, 1);
+ /* Verify that all NOT NULL columns really are NOT NULL */
+ for(j=0; j<pTab->nCol; j++){
+ char *zErr;
+ int jmp2, jmp3;
+ if( j==pTab->iPKey ) continue;
+ if( pTab->aCol[j].notNull==0 ) continue;
+ sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, j, 3);
+ sqlite3VdbeChangeP5(v, OPFLAG_TYPEOFARG);
+ jmp2 = sqlite3VdbeAddOp1(v, OP_NotNull, 3); VdbeCoverage(v);
+ sqlite3VdbeAddOp2(v, OP_AddImm, 1, -1); /* Decrement error limit */
+ zErr = sqlite3MPrintf(db, "NULL value in %s.%s", pTab->zName,
+ pTab->aCol[j].zName);
+ sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, zErr, P4_DYNAMIC);
+ sqlite3VdbeAddOp2(v, OP_ResultRow, 3, 1);
+ jmp3 = sqlite3VdbeAddOp1(v, OP_IfPos, 1); VdbeCoverage(v);
+ sqlite3VdbeAddOp0(v, OP_Halt);
sqlite3VdbeJumpHere(v, jmp2);
+ sqlite3VdbeJumpHere(v, jmp3);
}
- sqlite3VdbeAddOp2(v, OP_Next, 1, loopTop+1);
- sqlite3VdbeJumpHere(v, loopTop);
+ /* Validate index entries for the current row */
for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){
- static const VdbeOpList cntIdx[] = {
- { OP_Integer, 0, 3, 0},
- { OP_Rewind, 0, 0, 0}, /* 1 */
- { OP_AddImm, 3, 1, 0},
- { OP_Next, 0, 0, 0}, /* 3 */
- { OP_Eq, 2, 0, 3}, /* 4 */
- { OP_AddImm, 1, -1, 0},
- { OP_String8, 0, 2, 0}, /* 6 */
- { OP_String8, 0, 3, 0}, /* 7 */
- { OP_Concat, 3, 2, 2},
- { OP_ResultRow, 2, 1, 0},
- };
- addr = sqlite3VdbeAddOp1(v, OP_IfPos, 1);
- sqlite3VdbeAddOp2(v, OP_Halt, 0, 0);
- sqlite3VdbeJumpHere(v, addr);
- addr = sqlite3VdbeAddOpList(v, ArraySize(cntIdx), cntIdx);
- sqlite3VdbeChangeP1(v, addr+1, j+2);
- sqlite3VdbeChangeP2(v, addr+1, addr+4);
- sqlite3VdbeChangeP1(v, addr+3, j+2);
- sqlite3VdbeChangeP2(v, addr+3, addr+2);
- sqlite3VdbeJumpHere(v, addr+4);
- sqlite3VdbeChangeP4(v, addr+6,
+ int jmp2, jmp3, jmp4, jmp5;
+ int ckUniq = sqlite3VdbeMakeLabel(v);
+ if( pPk==pIdx ) continue;
+ r1 = sqlite3GenerateIndexKey(pParse, pIdx, iDataCur, 0, 0, &jmp3,
+ pPrior, r1);
+ pPrior = pIdx;
+ sqlite3VdbeAddOp2(v, OP_AddImm, 8+j, 1); /* increment entry count */
+ /* Verify that an index entry exists for the current table row */
+ jmp2 = sqlite3VdbeAddOp4Int(v, OP_Found, iIdxCur+j, ckUniq, r1,
+ pIdx->nColumn); VdbeCoverage(v);
+ sqlite3VdbeAddOp2(v, OP_AddImm, 1, -1); /* Decrement error limit */
+ sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, "row ", P4_STATIC);
+ sqlite3VdbeAddOp3(v, OP_Concat, 7, 3, 3);
+ sqlite3VdbeAddOp4(v, OP_String8, 0, 4, 0,
+ " missing from index ", P4_STATIC);
+ sqlite3VdbeAddOp3(v, OP_Concat, 4, 3, 3);
+ jmp5 = sqlite3VdbeAddOp4(v, OP_String8, 0, 4, 0,
+ pIdx->zName, P4_TRANSIENT);
+ sqlite3VdbeAddOp3(v, OP_Concat, 4, 3, 3);
+ sqlite3VdbeAddOp2(v, OP_ResultRow, 3, 1);
+ jmp4 = sqlite3VdbeAddOp1(v, OP_IfPos, 1); VdbeCoverage(v);
+ sqlite3VdbeAddOp0(v, OP_Halt);
+ sqlite3VdbeJumpHere(v, jmp2);
+ /* For UNIQUE indexes, verify that only one entry exists with the
+ ** current key. The entry is unique if (1) any column is NULL
+ ** or (2) the next entry has a different key */
+ if( IsUniqueIndex(pIdx) ){
+ int uniqOk = sqlite3VdbeMakeLabel(v);
+ int jmp6;
+ int kk;
+ for(kk=0; kk<pIdx->nKeyCol; kk++){
+ int iCol = pIdx->aiColumn[kk];
+ assert( iCol>=0 && iCol<pTab->nCol );
+ if( pTab->aCol[iCol].notNull ) continue;
+ sqlite3VdbeAddOp2(v, OP_IsNull, r1+kk, uniqOk);
+ VdbeCoverage(v);
+ }
+ jmp6 = sqlite3VdbeAddOp1(v, OP_Next, iIdxCur+j); VdbeCoverage(v);
+ sqlite3VdbeAddOp2(v, OP_Goto, 0, uniqOk);
+ sqlite3VdbeJumpHere(v, jmp6);
+ sqlite3VdbeAddOp4Int(v, OP_IdxGT, iIdxCur+j, uniqOk, r1,
+ pIdx->nKeyCol); VdbeCoverage(v);
+ sqlite3VdbeAddOp2(v, OP_AddImm, 1, -1); /* Decrement error limit */
+ sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0,
+ "non-unique entry in index ", P4_STATIC);
+ sqlite3VdbeAddOp2(v, OP_Goto, 0, jmp5);
+ sqlite3VdbeResolveLabel(v, uniqOk);
+ }
+ sqlite3VdbeJumpHere(v, jmp4);
+ sqlite3ResolvePartIdxLabel(pParse, jmp3);
+ }
+ sqlite3VdbeAddOp2(v, OP_Next, iDataCur, loopTop); VdbeCoverage(v);
+ sqlite3VdbeJumpHere(v, loopTop-1);
+#ifndef SQLITE_OMIT_BTREECOUNT
+ sqlite3VdbeAddOp4(v, OP_String8, 0, 2, 0,
"wrong # of entries in index ", P4_STATIC);
- sqlite3VdbeChangeP4(v, addr+7, pIdx->zName, P4_TRANSIENT);
+ for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){
+ if( pPk==pIdx ) continue;
+ addr = sqlite3VdbeCurrentAddr(v);
+ sqlite3VdbeAddOp2(v, OP_IfPos, 1, addr+2); VdbeCoverage(v);
+ sqlite3VdbeAddOp2(v, OP_Halt, 0, 0);
+ sqlite3VdbeAddOp2(v, OP_Count, iIdxCur+j, 3);
+ sqlite3VdbeAddOp3(v, OP_Eq, 8+j, addr+8, 3); VdbeCoverage(v);
+ sqlite3VdbeChangeP5(v, SQLITE_NOTNULL);
+ sqlite3VdbeAddOp2(v, OP_AddImm, 1, -1);
+ sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, pIdx->zName, P4_TRANSIENT);
+ sqlite3VdbeAddOp3(v, OP_Concat, 3, 2, 7);
+ sqlite3VdbeAddOp2(v, OP_ResultRow, 7, 1);
}
+#endif /* SQLITE_OMIT_BTREECOUNT */
}
}
- addr = sqlite3VdbeAddOpList(v, ArraySize(endCode), endCode);
- sqlite3VdbeChangeP2(v, addr, -mxErr);
- sqlite3VdbeJumpHere(v, addr+1);
- sqlite3VdbeChangeP4(v, addr+2, "ok", P4_STATIC);
- }else
+ addr = sqlite3VdbeAddOpList(v, ArraySize(endCode), endCode, iLn);
+ sqlite3VdbeChangeP3(v, addr, -mxErr);
+ sqlite3VdbeJumpHere(v, addr);
+ sqlite3VdbeChangeP4(v, addr+1, "ok", P4_STATIC);
+ }
+ break;
#endif /* SQLITE_OMIT_INTEGRITY_CHECK */
#ifndef SQLITE_OMIT_UTF16
@@ -1242,7 +2042,7 @@ 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;
@@ -1289,7 +2089,8 @@ void sqlite3Pragma(
}
}
}
- }else
+ }
+ break;
#endif /* SQLITE_OMIT_UTF16 */
#ifndef SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS
@@ -1300,6 +2101,11 @@ void sqlite3Pragma(
** PRAGMA [database.]user_version
** PRAGMA [database.]user_version = <integer>
**
+ ** PRAGMA [database.]freelist_count = <integer>
+ **
+ ** PRAGMA [database.]application_id
+ ** PRAGMA [database.]application_id = <integer>
+ **
** The pragma's schema_version and user_version are used to set or get
** the value of the schema-version and user-version, respectively. Both
** the schema-version and the user-version are 32-bit signed integers
@@ -1318,13 +2124,13 @@ 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
- ){
+ case PragTyp_HEADER_VALUE: {
int iCookie; /* Cookie index. 1 for schema-cookie, 6 for user-cookie. */
sqlite3VdbeUsesBtree(v, iDb);
switch( zLeft[0] ){
+ case 'a': case 'A':
+ iCookie = BTREE_APPLICATION_ID;
+ break;
case 'f': case 'F':
iCookie = BTREE_FREE_PAGE_COUNT;
break;
@@ -1343,7 +2149,7 @@ void sqlite3Pragma(
{ OP_Integer, 0, 1, 0}, /* 1 */
{ OP_SetCookie, 0, 0, 1}, /* 2 */
};
- int addr = sqlite3VdbeAddOpList(v, ArraySize(setCookie), setCookie);
+ int addr = sqlite3VdbeAddOpList(v, ArraySize(setCookie), setCookie, 0);
sqlite3VdbeChangeP1(v, addr, iDb);
sqlite3VdbeChangeP1(v, addr+1, sqlite3Atoi(zRight));
sqlite3VdbeChangeP1(v, addr+2, iDb);
@@ -1355,14 +2161,15 @@ void sqlite3Pragma(
{ OP_ReadCookie, 0, 1, 0}, /* 1 */
{ OP_ResultRow, 1, 1, 0}
};
- int addr = sqlite3VdbeAddOpList(v, ArraySize(readCookie), readCookie);
+ int addr = sqlite3VdbeAddOpList(v, ArraySize(readCookie), readCookie, 0);
sqlite3VdbeChangeP1(v, addr, iDb);
sqlite3VdbeChangeP1(v, addr+1, iDb);
sqlite3VdbeChangeP3(v, addr+1, iCookie);
sqlite3VdbeSetNumCols(v, 1);
sqlite3VdbeSetColName(v, 0, COLNAME_NAME, zLeft, SQLITE_TRANSIENT);
}
- }else
+ }
+ break;
#endif /* SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS */
#ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS
@@ -1372,7 +2179,7 @@ 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);
@@ -1382,7 +2189,8 @@ 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
@@ -1391,7 +2199,7 @@ 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 ){
@@ -1401,7 +2209,6 @@ 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);
@@ -1410,7 +2217,8 @@ void sqlite3Pragma(
sqlite3VdbeAddOp3(v, OP_Checkpoint, iBt, eMode, 1);
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 3);
- }else
+ }
+ break;
/*
** PRAGMA wal_autocheckpoint
@@ -1420,21 +2228,87 @@ 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
+ /*
+ ** PRAGMA shrink_memory
+ **
+ ** This pragma attempts to free as much memory as possible from the
+ ** current database connection.
+ */
+ case PragTyp_SHRINK_MEMORY: {
+ sqlite3_db_release_memory(db);
+ break;
+ }
+
+ /*
+ ** PRAGMA busy_timeout
+ ** PRAGMA busy_timeout = N
+ **
+ ** Call sqlite3_busy_timeout(db, N). Return the current timeout value
+ ** if one is set. If no busy handler or a different busy handler is set
+ ** then 0 is returned. Setting the busy_timeout to 0 or negative
+ ** disables the timeout.
+ */
+ /*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);
+ 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 && sqlite3DecOrHexToI64(zRight, &N)==SQLITE_OK ){
+ sqlite3_soft_heap_limit64(N);
+ }
+ returnSingleInt(pParse, "soft_heap_limit", sqlite3_soft_heap_limit64(-1));
+ break;
+ }
+
+ /*
+ ** PRAGMA threads
+ ** PRAGMA threads = N
+ **
+ ** Configure the maximum number of worker threads. Return the new
+ ** maximum, which might be less than requested.
+ */
+ case PragTyp_THREADS: {
+ sqlite3_int64 N;
+ if( zRight
+ && sqlite3DecOrHexToI64(zRight, &N)==SQLITE_OK
+ && N>=0
+ ){
+ sqlite3_limit(db, SQLITE_LIMIT_WORKER_THREADS, (int)(N&0x7fffffff));
+ }
+ returnSingleInt(pParse, "threads",
+ sqlite3_limit(db, SQLITE_LIMIT_WORKER_THREADS, -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"
};
@@ -1445,13 +2319,12 @@ void sqlite3Pragma(
sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "status", SQLITE_STATIC);
for(i=0; i<db->nDb; i++){
Btree *pBt;
- Pager *pPager;
const char *zState = "unknown";
int j;
if( db->aDb[i].zName==0 ) continue;
sqlite3VdbeAddOp4(v, OP_String8, 0, 1, 0, db->aDb[i].zName, P4_STATIC);
pBt = db->aDb[i].pBt;
- if( pBt==0 || (pPager = sqlite3BtreePager(pBt))==0 ){
+ if( pBt==0 || sqlite3BtreePager(pBt)==0 ){
zState = "closed";
}else if( sqlite3_file_control(db, i ? db->aDb[i].zName : 0,
SQLITE_FCNTL_LOCKSTATE, &j)==SQLITE_OK ){
@@ -1460,35 +2333,39 @@ 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(db, zRight, sqlite3Strlen30(zRight));
- }else
- if( sqlite3StrICmp(zLeft, "rekey")==0 && zRight ){
- sqlite3_rekey(db, 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(db, zKey, i/2);
- }else{
- sqlite3_rekey(db, 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 ){
+ case PragTyp_ACTIVATE_EXTENSIONS: if( zRight ){
#ifdef SQLITE_HAS_CODEC
if( sqlite3StrNICmp(zRight, "see-", 4)==0 ){
sqlite3_activate_see(&zRight[4]);
@@ -1499,23 +2376,12 @@ void sqlite3Pragma(
sqlite3_activate_cerod(&zRight[6]);
}
#endif
- }else
+ }
+ break;
#endif
-
- {/* Empty ELSE clause */}
+ } /* End of the PRAGMA switch */
- /*
- ** Reset the safety level, in case the fullfsync flag or synchronous
- ** setting changed.
- */
-#ifndef SQLITE_OMIT_PAGER_PRAGMAS
- if( db->autoCommit ){
- sqlite3BtreeSetSafetyLevel(pDb->pBt, pDb->safety_level,
- (db->flags&SQLITE_FullFSync)!=0,
- (db->flags&SQLITE_CkptFullFSync)!=0);
- }
-#endif
pragma_out:
sqlite3DbFree(db, zLeft);
sqlite3DbFree(db, zRight);
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