mirror of
https://github.com/php/php-src.git
synced 2025-08-20 01:14:28 +02:00
MFB: Upgraded libsqlite in pdo_sqlite to 3.3.7
This commit is contained in:
Ilia Alshanetsky
parent
3717342c9f
commit
5c01690d9b
83 changed files with 17303 additions and 7927 deletions
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@ -24,10 +24,11 @@
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** that the database is corrupt.
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*/
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static void corruptSchema(InitData *pData, const char *zExtra){
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if( !sqlite3_malloc_failed ){
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if( !sqlite3MallocFailed() ){
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sqlite3SetString(pData->pzErrMsg, "malformed database schema",
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zExtra!=0 && zExtra[0]!=0 ? " - " : (char*)0, zExtra, (char*)0);
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}
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pData->rc = SQLITE_CORRUPT;
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}
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/*
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@ -38,7 +39,7 @@ static void corruptSchema(InitData *pData, const char *zExtra){
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** Each callback contains the following information:
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**
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** argv[0] = name of thing being created
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** argv[1] = root page number for table or index. NULL for trigger or view.
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** argv[1] = root page number for table or index. 0 for trigger or view.
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** argv[2] = SQL text for the CREATE statement.
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** argv[3] = "1" for temporary files, "0" for main database, "2" or more
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** for auxiliary database files.
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@ -49,6 +50,12 @@ int sqlite3InitCallback(void *pInit, int argc, char **argv, char **azColName){
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sqlite3 *db = pData->db;
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int iDb;
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pData->rc = SQLITE_OK;
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if( sqlite3MallocFailed() ){
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corruptSchema(pData, 0);
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return SQLITE_NOMEM;
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}
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assert( argc==4 );
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if( argv==0 ) return 0; /* Might happen if EMPTY_RESULT_CALLBACKS are on */
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if( argv[1]==0 || argv[3]==0 ){
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@ -70,10 +77,16 @@ int sqlite3InitCallback(void *pInit, int argc, char **argv, char **azColName){
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db->init.newTnum = atoi(argv[1]);
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rc = sqlite3_exec(db, argv[2], 0, 0, &zErr);
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db->init.iDb = 0;
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assert( rc!=SQLITE_OK || zErr==0 );
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if( SQLITE_OK!=rc ){
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corruptSchema(pData, zErr);
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pData->rc = rc;
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if( rc==SQLITE_NOMEM ){
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sqlite3FailedMalloc();
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}else if( rc!=SQLITE_INTERRUPT ){
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corruptSchema(pData, zErr);
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}
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sqlite3_free(zErr);
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return rc;
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return 1;
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}
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}else{
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/* If the SQL column is blank it means this is an index that
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@ -111,6 +124,7 @@ static int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg){
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BtCursor *curMain;
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int size;
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Table *pTab;
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Db *pDb;
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char const *azArg[5];
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char zDbNum[30];
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int meta[10];
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@ -145,6 +159,7 @@ static int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg){
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#endif
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assert( iDb>=0 && iDb<db->nDb );
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assert( db->aDb[iDb].pSchema );
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/* zMasterSchema and zInitScript are set to point at the master schema
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** and initialisation script appropriate for the database being
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@ -168,9 +183,9 @@ static int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg){
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initData.db = db;
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initData.pzErrMsg = pzErrMsg;
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rc = sqlite3InitCallback(&initData, 4, (char **)azArg, 0);
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if( rc!=SQLITE_OK ){
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if( rc ){
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sqlite3SafetyOn(db);
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return rc;
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return initData.rc;
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}
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pTab = sqlite3FindTable(db, zMasterName, db->aDb[iDb].zName);
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if( pTab ){
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@ -180,11 +195,14 @@ static int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg){
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/* Create a cursor to hold the database open
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*/
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if( db->aDb[iDb].pBt==0 ){
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if( !OMIT_TEMPDB && iDb==1 ) DbSetProperty(db, 1, DB_SchemaLoaded);
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pDb = &db->aDb[iDb];
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if( pDb->pBt==0 ){
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if( !OMIT_TEMPDB && iDb==1 ){
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DbSetProperty(db, 1, DB_SchemaLoaded);
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}
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return SQLITE_OK;
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}
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rc = sqlite3BtreeCursor(db->aDb[iDb].pBt, MASTER_ROOT, 0, 0, 0, &curMain);
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rc = sqlite3BtreeCursor(pDb->pBt, MASTER_ROOT, 0, 0, 0, &curMain);
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if( rc!=SQLITE_OK && rc!=SQLITE_EMPTY ){
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sqlite3SetString(pzErrMsg, sqlite3ErrStr(rc), (char*)0);
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return rc;
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@ -197,20 +215,20 @@ static int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg){
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** meta[1] File format of schema layer.
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** meta[2] Size of the page cache.
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** meta[3] Use freelist if 0. Autovacuum if greater than zero.
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** meta[4] Db text encoding. 1:UTF-8 3:UTF-16 LE 4:UTF-16 BE
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** meta[4] Db text encoding. 1:UTF-8 2:UTF-16LE 3:UTF-16BE
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** meta[5] The user cookie. Used by the application.
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** meta[6]
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** meta[7]
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** meta[8]
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** meta[9]
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**
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** Note: The hash defined SQLITE_UTF* symbols in sqliteInt.h correspond to
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** Note: The #defined SQLITE_UTF* symbols in sqliteInt.h correspond to
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** the possible values of meta[4].
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*/
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if( rc==SQLITE_OK ){
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int i;
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for(i=0; rc==SQLITE_OK && i<sizeof(meta)/sizeof(meta[0]); i++){
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rc = sqlite3BtreeGetMeta(db->aDb[iDb].pBt, i+1, (u32 *)&meta[i]);
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rc = sqlite3BtreeGetMeta(pDb->pBt, i+1, (u32 *)&meta[i]);
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}
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if( rc ){
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sqlite3SetString(pzErrMsg, sqlite3ErrStr(rc), (char*)0);
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@ -220,7 +238,7 @@ static int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg){
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}else{
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memset(meta, 0, sizeof(meta));
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}
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db->aDb[iDb].schema_cookie = meta[0];
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pDb->pSchema->schema_cookie = meta[0];
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/* If opening a non-empty database, check the text encoding. For the
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** main database, set sqlite3.enc to the encoding of the main database.
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@ -229,55 +247,44 @@ static int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg){
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*/
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if( meta[4] ){ /* text encoding */
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if( iDb==0 ){
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/* If opening the main database, set db->enc. */
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db->enc = (u8)meta[4];
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db->pDfltColl = sqlite3FindCollSeq(db, db->enc, "BINARY", 6, 0);
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/* If opening the main database, set ENC(db). */
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ENC(db) = (u8)meta[4];
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db->pDfltColl = sqlite3FindCollSeq(db, SQLITE_UTF8, "BINARY", 6, 0);
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}else{
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/* If opening an attached database, the encoding much match db->enc */
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if( meta[4]!=db->enc ){
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/* If opening an attached database, the encoding much match ENC(db) */
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if( meta[4]!=ENC(db) ){
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sqlite3BtreeCloseCursor(curMain);
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sqlite3SetString(pzErrMsg, "attached databases must use the same"
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" text encoding as main database", (char*)0);
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return SQLITE_ERROR;
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}
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}
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}else{
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DbSetProperty(db, iDb, DB_Empty);
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}
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pDb->pSchema->enc = ENC(db);
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size = meta[2];
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if( size==0 ){ size = MAX_PAGES; }
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db->aDb[iDb].cache_size = size;
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if( iDb==0 ){
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db->file_format = meta[1];
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if( db->file_format==0 ){
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/* This happens if the database was initially empty */
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db->file_format = 1;
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}
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if( db->file_format==2 || db->file_format==3 ){
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/* File format 2 is treated exactly as file format 1. New
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** databases are created with file format 1.
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*/
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db->file_format = 1;
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}
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}
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pDb->pSchema->cache_size = size;
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sqlite3BtreeSetCacheSize(pDb->pBt, pDb->pSchema->cache_size);
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/*
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** file_format==1 Version 3.0.0.
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** file_format==2 Version 3.1.3.
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** file_format==3 Version 3.1.4.
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**
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** Version 3.0 can only use files with file_format==1. Version 3.1.3
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** can read and write files with file_format==1 or file_format==2.
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** Version 3.1.4 can read and write file formats 1, 2 and 3.
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** file_format==2 Version 3.1.3. // ALTER TABLE ADD COLUMN
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** file_format==3 Version 3.1.4. // ditto but with non-NULL defaults
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** file_format==4 Version 3.3.0. // DESC indices. Boolean constants
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*/
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if( meta[1]>3 ){
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pDb->pSchema->file_format = meta[1];
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if( pDb->pSchema->file_format==0 ){
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pDb->pSchema->file_format = 1;
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}
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if( pDb->pSchema->file_format>SQLITE_MAX_FILE_FORMAT ){
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sqlite3BtreeCloseCursor(curMain);
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sqlite3SetString(pzErrMsg, "unsupported file format", (char*)0);
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return SQLITE_ERROR;
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}
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sqlite3BtreeSetCacheSize(db->aDb[iDb].pBt, db->aDb[iDb].cache_size);
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/* Read the schema information out of the schema tables
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*/
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@ -292,6 +299,7 @@ static int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg){
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zDbNum, db->aDb[iDb].zName, zMasterName);
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sqlite3SafetyOff(db);
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rc = sqlite3_exec(db, zSql, sqlite3InitCallback, &initData, 0);
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if( rc==SQLITE_ABORT ) rc = initData.rc;
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sqlite3SafetyOn(db);
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sqliteFree(zSql);
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#ifndef SQLITE_OMIT_ANALYZE
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@ -301,8 +309,8 @@ static int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg){
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#endif
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sqlite3BtreeCloseCursor(curMain);
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}
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if( sqlite3_malloc_failed ){
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sqlite3SetString(pzErrMsg, "out of memory", (char*)0);
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if( sqlite3MallocFailed() ){
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/* sqlite3SetString(pzErrMsg, "out of memory", (char*)0); */
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rc = SQLITE_NOMEM;
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sqlite3ResetInternalSchema(db, 0);
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}
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@ -320,14 +328,15 @@ static int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg){
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** created using ATTACH statements. Return a success code. If an
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** error occurs, write an error message into *pzErrMsg.
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**
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** After the database is initialized, the SQLITE_Initialized
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** bit is set in the flags field of the sqlite structure.
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** After a database is initialized, the DB_SchemaLoaded bit is set
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** bit is set in the flags field of the Db structure. If the database
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** file was of zero-length, then the DB_Empty flag is also set.
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*/
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int sqlite3Init(sqlite3 *db, char **pzErrMsg){
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int i, rc;
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int called_initone = 0;
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if( db->init.busy ) return SQLITE_OK;
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assert( (db->flags & SQLITE_Initialized)==0 );
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rc = SQLITE_OK;
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db->init.busy = 1;
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for(i=0; rc==SQLITE_OK && i<db->nDb; i++){
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@ -336,6 +345,7 @@ int sqlite3Init(sqlite3 *db, char **pzErrMsg){
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if( rc ){
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sqlite3ResetInternalSchema(db, i);
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}
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called_initone = 1;
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}
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/* Once all the other databases have been initialised, load the schema
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@ -348,19 +358,16 @@ int sqlite3Init(sqlite3 *db, char **pzErrMsg){
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if( rc ){
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sqlite3ResetInternalSchema(db, 1);
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}
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called_initone = 1;
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}
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#endif
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db->init.busy = 0;
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if( rc==SQLITE_OK ){
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db->flags |= SQLITE_Initialized;
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if( rc==SQLITE_OK && called_initone ){
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sqlite3CommitInternalChanges(db);
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}
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if( rc!=SQLITE_OK ){
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db->flags &= ~SQLITE_Initialized;
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}
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return rc;
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return rc;
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}
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/*
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@ -371,11 +378,8 @@ int sqlite3ReadSchema(Parse *pParse){
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int rc = SQLITE_OK;
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sqlite3 *db = pParse->db;
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if( !db->init.busy ){
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if( (db->flags & SQLITE_Initialized)==0 ){
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rc = sqlite3Init(db, &pParse->zErrMsg);
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}
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rc = sqlite3Init(db, &pParse->zErrMsg);
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}
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assert( rc!=SQLITE_OK || (db->flags & SQLITE_Initialized) || db->init.busy );
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if( rc!=SQLITE_OK ){
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pParse->rc = rc;
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pParse->nErr++;
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@ -402,7 +406,7 @@ static int schemaIsValid(sqlite3 *db){
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rc = sqlite3BtreeCursor(pBt, MASTER_ROOT, 0, 0, 0, &curTemp);
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if( rc==SQLITE_OK ){
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rc = sqlite3BtreeGetMeta(pBt, 1, (u32 *)&cookie);
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if( rc==SQLITE_OK && cookie!=db->aDb[iDb].schema_cookie ){
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if( rc==SQLITE_OK && cookie!=db->aDb[iDb].pSchema->schema_cookie ){
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allOk = 0;
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}
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sqlite3BtreeCloseCursor(curTemp);
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@ -411,6 +415,37 @@ static int schemaIsValid(sqlite3 *db){
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return allOk;
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}
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/*
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** Convert a schema pointer into the iDb index that indicates
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** which database file in db->aDb[] the schema refers to.
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**
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** If the same database is attached more than once, the first
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** attached database is returned.
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*/
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int sqlite3SchemaToIndex(sqlite3 *db, Schema *pSchema){
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int i = -1000000;
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/* If pSchema is NULL, then return -1000000. This happens when code in
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** expr.c is trying to resolve a reference to a transient table (i.e. one
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** created by a sub-select). In this case the return value of this
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** function should never be used.
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**
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** We return -1000000 instead of the more usual -1 simply because using
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** -1000000 as incorrectly using -1000000 index into db->aDb[] is much
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** more likely to cause a segfault than -1 (of course there are assert()
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** statements too, but it never hurts to play the odds).
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*/
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if( pSchema ){
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for(i=0; i<db->nDb; i++){
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if( db->aDb[i].pSchema==pSchema ){
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break;
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}
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}
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assert( i>=0 &&i>=0 && i<db->nDb );
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}
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return i;
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}
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/*
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** Compile the UTF-8 encoded SQL statement zSql into a statement handle.
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*/
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@ -424,10 +459,10 @@ int sqlite3_prepare(
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Parse sParse;
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char *zErrMsg = 0;
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int rc = SQLITE_OK;
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int i;
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|
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if( sqlite3_malloc_failed ){
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return SQLITE_NOMEM;
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}
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/* Assert that malloc() has not failed */
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assert( !sqlite3MallocFailed() );
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assert( ppStmt );
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*ppStmt = 0;
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@ -435,24 +470,43 @@ int sqlite3_prepare(
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return SQLITE_MISUSE;
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}
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/* If any attached database schemas are locked, do not proceed with
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** compilation. Instead return SQLITE_LOCKED immediately.
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*/
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for(i=0; i<db->nDb; i++) {
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Btree *pBt = db->aDb[i].pBt;
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if( pBt && sqlite3BtreeSchemaLocked(pBt) ){
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const char *zDb = db->aDb[i].zName;
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sqlite3Error(db, SQLITE_LOCKED, "database schema is locked: %s", zDb);
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sqlite3SafetyOff(db);
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return SQLITE_LOCKED;
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}
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}
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memset(&sParse, 0, sizeof(sParse));
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sParse.db = db;
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sqlite3RunParser(&sParse, zSql, &zErrMsg);
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if( nBytes>=0 && zSql[nBytes]!=0 ){
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char *zSqlCopy = sqlite3StrNDup(zSql, nBytes);
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sqlite3RunParser(&sParse, zSqlCopy, &zErrMsg);
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sParse.zTail += zSql - zSqlCopy;
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sqliteFree(zSqlCopy);
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}else{
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sqlite3RunParser(&sParse, zSql, &zErrMsg);
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}
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if( sqlite3_malloc_failed ){
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rc = SQLITE_NOMEM;
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sqlite3RollbackAll(db);
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sqlite3ResetInternalSchema(db, 0);
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db->flags &= ~SQLITE_InTrans;
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goto prepare_out;
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if( sqlite3MallocFailed() ){
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sParse.rc = SQLITE_NOMEM;
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}
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if( sParse.rc==SQLITE_DONE ) sParse.rc = SQLITE_OK;
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if( sParse.rc!=SQLITE_OK && sParse.checkSchema && !schemaIsValid(db) ){
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if( sParse.checkSchema && !schemaIsValid(db) ){
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sParse.rc = SQLITE_SCHEMA;
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}
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if( sParse.rc==SQLITE_SCHEMA ){
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sqlite3ResetInternalSchema(db, 0);
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}
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if( sqlite3MallocFailed() ){
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sParse.rc = SQLITE_NOMEM;
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}
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if( pzTail ) *pzTail = sParse.zTail;
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rc = sParse.rc;
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@ -460,21 +514,20 @@ int sqlite3_prepare(
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if( rc==SQLITE_OK && sParse.pVdbe && sParse.explain ){
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if( sParse.explain==2 ){
|
||||
sqlite3VdbeSetNumCols(sParse.pVdbe, 3);
|
||||
sqlite3VdbeSetColName(sParse.pVdbe, 0, "order", P3_STATIC);
|
||||
sqlite3VdbeSetColName(sParse.pVdbe, 1, "from", P3_STATIC);
|
||||
sqlite3VdbeSetColName(sParse.pVdbe, 2, "detail", P3_STATIC);
|
||||
sqlite3VdbeSetColName(sParse.pVdbe, 0, COLNAME_NAME, "order", P3_STATIC);
|
||||
sqlite3VdbeSetColName(sParse.pVdbe, 1, COLNAME_NAME, "from", P3_STATIC);
|
||||
sqlite3VdbeSetColName(sParse.pVdbe, 2, COLNAME_NAME, "detail", P3_STATIC);
|
||||
}else{
|
||||
sqlite3VdbeSetNumCols(sParse.pVdbe, 5);
|
||||
sqlite3VdbeSetColName(sParse.pVdbe, 0, "addr", P3_STATIC);
|
||||
sqlite3VdbeSetColName(sParse.pVdbe, 1, "opcode", P3_STATIC);
|
||||
sqlite3VdbeSetColName(sParse.pVdbe, 2, "p1", P3_STATIC);
|
||||
sqlite3VdbeSetColName(sParse.pVdbe, 3, "p2", P3_STATIC);
|
||||
sqlite3VdbeSetColName(sParse.pVdbe, 4, "p3", P3_STATIC);
|
||||
sqlite3VdbeSetColName(sParse.pVdbe, 0, COLNAME_NAME, "addr", P3_STATIC);
|
||||
sqlite3VdbeSetColName(sParse.pVdbe, 1, COLNAME_NAME, "opcode", P3_STATIC);
|
||||
sqlite3VdbeSetColName(sParse.pVdbe, 2, COLNAME_NAME, "p1", P3_STATIC);
|
||||
sqlite3VdbeSetColName(sParse.pVdbe, 3, COLNAME_NAME, "p2", P3_STATIC);
|
||||
sqlite3VdbeSetColName(sParse.pVdbe, 4, COLNAME_NAME, "p3", P3_STATIC);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
prepare_out:
|
||||
if( sqlite3SafetyOff(db) ){
|
||||
rc = SQLITE_MISUSE;
|
||||
}
|
||||
|
|
@ -490,6 +543,9 @@ prepare_out:
|
|||
}else{
|
||||
sqlite3Error(db, rc, 0);
|
||||
}
|
||||
|
||||
rc = sqlite3ApiExit(db, rc);
|
||||
sqlite3ReleaseThreadData();
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
|
@ -508,22 +564,17 @@ int sqlite3_prepare16(
|
|||
** encoded string to UTF-8, then invoking sqlite3_prepare(). The
|
||||
** tricky bit is figuring out the pointer to return in *pzTail.
|
||||
*/
|
||||
char const *zSql8 = 0;
|
||||
char const *zTail8 = 0;
|
||||
int rc;
|
||||
sqlite3_value *pTmp;
|
||||
char *zSql8;
|
||||
const char *zTail8 = 0;
|
||||
int rc = SQLITE_OK;
|
||||
|
||||
if( sqlite3SafetyCheck(db) ){
|
||||
return SQLITE_MISUSE;
|
||||
}
|
||||
pTmp = sqlite3GetTransientValue(db);
|
||||
sqlite3ValueSetStr(pTmp, -1, zSql, SQLITE_UTF16NATIVE, SQLITE_STATIC);
|
||||
zSql8 = sqlite3ValueText(pTmp, SQLITE_UTF8);
|
||||
if( !zSql8 ){
|
||||
sqlite3Error(db, SQLITE_NOMEM, 0);
|
||||
return SQLITE_NOMEM;
|
||||
zSql8 = sqlite3utf16to8(zSql, nBytes);
|
||||
if( zSql8 ){
|
||||
rc = sqlite3_prepare(db, zSql8, -1, ppStmt, &zTail8);
|
||||
}
|
||||
rc = sqlite3_prepare(db, zSql8, -1, ppStmt, &zTail8);
|
||||
|
||||
if( zTail8 && pzTail ){
|
||||
/* If sqlite3_prepare returns a tail pointer, we calculate the
|
||||
|
|
@ -534,7 +585,7 @@ int sqlite3_prepare16(
|
|||
int chars_parsed = sqlite3utf8CharLen(zSql8, zTail8-zSql8);
|
||||
*pzTail = (u8 *)zSql + sqlite3utf16ByteLen(zSql, chars_parsed);
|
||||
}
|
||||
|
||||
return rc;
|
||||
sqliteFree(zSql8);
|
||||
return sqlite3ApiExit(db, rc);
|
||||
}
|
||||
#endif /* SQLITE_OMIT_UTF16 */
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue