diff options
author | Scott MacVicar <scottmac@php.net> | 2009-08-11 22:22:21 +0000 |
---|---|---|
committer | Scott MacVicar <scottmac@php.net> | 2009-08-11 22:22:21 +0000 |
commit | 4f76b44d83ee1b87f896b344e2a9247f14265208 (patch) | |
tree | 86599b7387b9c388ffec9028858e2eef27996acc /ext/sqlite3/libsqlite/sqlite3.c | |
parent | f69e06937d7db97f6b69a488a27fdd4904fcd867 (diff) | |
download | php-git-4f76b44d83ee1b87f896b344e2a9247f14265208.tar.gz |
Update libsqlite to 3.6.17.
Diffstat (limited to 'ext/sqlite3/libsqlite/sqlite3.c')
-rw-r--r-- | ext/sqlite3/libsqlite/sqlite3.c | 5821 |
1 files changed, 3072 insertions, 2749 deletions
diff --git a/ext/sqlite3/libsqlite/sqlite3.c b/ext/sqlite3/libsqlite/sqlite3.c index a8a4e3a72d..687a078d1f 100644 --- a/ext/sqlite3/libsqlite/sqlite3.c +++ b/ext/sqlite3/libsqlite/sqlite3.c @@ -4,7 +4,7 @@ /****************************************************************************** ** This file is an amalgamation of many separate C source files from SQLite -** version 3.6.16. By combining all the individual C code files into this +** version 3.6.17. By combining all the individual C code files into this ** single large file, the entire code can be compiled as a one translation ** unit. This allows many compilers to do optimizations that would not be ** possible if the files were compiled separately. Performance improvements @@ -14,14 +14,14 @@ ** This file is all you need to compile SQLite. To use SQLite in other ** programs, you need this file and the "sqlite3.h" header file that defines ** the programming interface to the SQLite library. (If you do not have -** the "sqlite3.h" header file at hand, you will find a copy in the first -** 5626 lines past this header comment.) Additional code files may be -** needed if you want a wrapper to interface SQLite with your choice of -** programming language. The code for the "sqlite3" command-line shell -** is also in a separate file. This file contains only code for the core -** SQLite library. +** the "sqlite3.h" header file at hand, you will find a copy embedded within +** the text of this file. Search for "Begin file sqlite3.h" to find the start +** of the embedded sqlite3.h header file.) Additional code files may be needed +** if you want a wrapper to interface SQLite with your choice of programming +** language. The code for the "sqlite3" command-line shell is also in a +** separate file. This file contains only code for the core SQLite library. ** -** This amalgamation was generated on 2009-06-27 14:10:06 UTC. +** This amalgamation was generated on 2009-08-10 13:49:19 UTC. */ #define SQLITE_CORE 1 #define SQLITE_AMALGAMATION 1 @@ -615,8 +615,8 @@ extern "C" { ** ** Requirements: [H10011] [H10014] */ -#define SQLITE_VERSION "3.6.16" -#define SQLITE_VERSION_NUMBER 3006016 +#define SQLITE_VERSION "3.6.17" +#define SQLITE_VERSION_NUMBER 3006017 /* ** CAPI3REF: Run-Time Library Version Numbers {H10020} <S60100> @@ -4384,7 +4384,7 @@ SQLITE_API void *sqlite3_update_hook( /* ** CAPI3REF: Enable Or Disable Shared Pager Cache {H10330} <S30900> -** KEYWORDS: {shared cache} {shared cache mode} +** KEYWORDS: {shared cache} ** ** This routine enables or disables the sharing of the database cache ** and schema data structures between [database connection | connections] @@ -4847,7 +4847,7 @@ SQLITE_API SQLITE_EXPERIMENTAL int sqlite3_create_module_v2( */ struct sqlite3_vtab { const sqlite3_module *pModule; /* The module for this virtual table */ - int nRef; /* Used internally */ + int nRef; /* NO LONGER USED */ char *zErrMsg; /* Error message from sqlite3_mprintf() */ /* Virtual table implementations will typically add additional fields */ }; @@ -5461,6 +5461,7 @@ SQLITE_API int sqlite3_test_control(int op, ...); #define SQLITE_TESTCTRL_PENDING_BYTE 11 #define SQLITE_TESTCTRL_ASSERT 12 #define SQLITE_TESTCTRL_ALWAYS 13 +#define SQLITE_TESTCTRL_RESERVE 14 /* ** CAPI3REF: SQLite Runtime Status {H17200} <S60200> @@ -6128,6 +6129,18 @@ SQLITE_API int sqlite3_unlock_notify( void *pNotifyArg /* Argument to pass to xNotify */ ); + +/* +** CAPI3REF: String Comparison +** EXPERIMENTAL +** +** The [sqlite3_strnicmp()] API allows applications and extensions to +** compare the contents of two buffers containing UTF-8 strings in a +** case-indendent fashion, using the same definition of case independence +** that SQLite uses internally when comparing identifiers. +*/ +SQLITE_API int sqlite3_strnicmp(const char *, const char *, int); + /* ** Undo the hack that converts floating point types to integer for ** builds on processors without floating point support. @@ -6727,6 +6740,7 @@ typedef struct TriggerStack TriggerStack; typedef struct TriggerStep TriggerStep; typedef struct Trigger Trigger; typedef struct UnpackedRecord UnpackedRecord; +typedef struct VTable VTable; typedef struct Walker Walker; typedef struct WherePlan WherePlan; typedef struct WhereInfo WhereInfo; @@ -6838,8 +6852,8 @@ SQLITE_PRIVATE int sqlite3BtreeIsInTrans(Btree*); SQLITE_PRIVATE int sqlite3BtreeIsInReadTrans(Btree*); SQLITE_PRIVATE int sqlite3BtreeIsInBackup(Btree*); SQLITE_PRIVATE void *sqlite3BtreeSchema(Btree *, int, void(*)(void *)); -SQLITE_PRIVATE int sqlite3BtreeSchemaLocked(Btree *); -SQLITE_PRIVATE int sqlite3BtreeLockTable(Btree *, int, u8); +SQLITE_PRIVATE int sqlite3BtreeSchemaLocked(Btree *pBtree); +SQLITE_PRIVATE int sqlite3BtreeLockTable(Btree *pBtree, int iTab, u8 isWriteLock); SQLITE_PRIVATE int sqlite3BtreeSavepoint(Btree *, int, int); SQLITE_PRIVATE const char *sqlite3BtreeGetFilename(Btree *); @@ -6859,7 +6873,7 @@ SQLITE_PRIVATE int sqlite3BtreeDropTable(Btree*, int, int*); SQLITE_PRIVATE int sqlite3BtreeClearTable(Btree*, int, int*); SQLITE_PRIVATE void sqlite3BtreeTripAllCursors(Btree*, int); -SQLITE_PRIVATE int sqlite3BtreeGetMeta(Btree*, int idx, u32 *pValue); +SQLITE_PRIVATE void sqlite3BtreeGetMeta(Btree *pBtree, int idx, u32 *pValue); SQLITE_PRIVATE int sqlite3BtreeUpdateMeta(Btree*, int idx, u32 value); /* @@ -6893,13 +6907,6 @@ SQLITE_PRIVATE int sqlite3BtreeCursor( SQLITE_PRIVATE int sqlite3BtreeCursorSize(void); SQLITE_PRIVATE int sqlite3BtreeCloseCursor(BtCursor*); -SQLITE_PRIVATE int sqlite3BtreeMoveto( - BtCursor*, - const void *pKey, - i64 nKey, - int bias, - int *pRes -); SQLITE_PRIVATE int sqlite3BtreeMovetoUnpacked( BtCursor*, UnpackedRecord *pUnKey, @@ -6916,7 +6923,6 @@ SQLITE_PRIVATE int sqlite3BtreeFirst(BtCursor*, int *pRes); SQLITE_PRIVATE int sqlite3BtreeLast(BtCursor*, int *pRes); SQLITE_PRIVATE int sqlite3BtreeNext(BtCursor*, int *pRes); SQLITE_PRIVATE int sqlite3BtreeEof(BtCursor*); -SQLITE_PRIVATE int sqlite3BtreeFlags(BtCursor*); SQLITE_PRIVATE int sqlite3BtreePrevious(BtCursor*, int *pRes); SQLITE_PRIVATE int sqlite3BtreeKeySize(BtCursor*, i64 *pSize); SQLITE_PRIVATE int sqlite3BtreeKey(BtCursor*, u32 offset, u32 amt, void*); @@ -6934,6 +6940,10 @@ SQLITE_PRIVATE int sqlite3BtreePutData(BtCursor*, u32 offset, u32 amt, void*); SQLITE_PRIVATE void sqlite3BtreeCacheOverflow(BtCursor *); SQLITE_PRIVATE void sqlite3BtreeClearCursor(BtCursor *); +#ifndef NDEBUG +SQLITE_PRIVATE int sqlite3BtreeCursorIsValid(BtCursor*); +#endif + #ifndef SQLITE_OMIT_BTREECOUNT SQLITE_PRIVATE int sqlite3BtreeCount(BtCursor *, i64 *); #endif @@ -7049,7 +7059,7 @@ struct VdbeOp { VdbeFunc *pVdbeFunc; /* Used when p4type is P4_VDBEFUNC */ CollSeq *pColl; /* Used when p4type is P4_COLLSEQ */ Mem *pMem; /* Used when p4type is P4_MEM */ - sqlite3_vtab *pVtab; /* Used when p4type is P4_VTAB */ + VTable *pVtab; /* Used when p4type is P4_VTAB */ KeyInfo *pKeyInfo; /* Used when p4type is P4_KEYINFO */ int *ai; /* Used when p4type is P4_INTARRAY */ } p4; @@ -7472,13 +7482,20 @@ typedef struct PgHdr DbPage; */ /* Open and close a Pager connection. */ -SQLITE_PRIVATE int sqlite3PagerOpen(sqlite3_vfs *, Pager **ppPager, const char*, int,int,int); +SQLITE_PRIVATE int sqlite3PagerOpen( + sqlite3_vfs*, + Pager **ppPager, + const char*, + int, + int, + int, + void(*)(DbPage*) +); SQLITE_PRIVATE int sqlite3PagerClose(Pager *pPager); SQLITE_PRIVATE int sqlite3PagerReadFileheader(Pager*, int, unsigned char*); /* Functions used to configure a Pager object. */ SQLITE_PRIVATE void sqlite3PagerSetBusyhandler(Pager*, int(*)(void *), void *); -SQLITE_PRIVATE void sqlite3PagerSetReiniter(Pager*, void(*)(DbPage*)); SQLITE_PRIVATE int sqlite3PagerSetPagesize(Pager*, u16*, int); SQLITE_PRIVATE int sqlite3PagerMaxPageCount(Pager*, int); SQLITE_PRIVATE void sqlite3PagerSetCachesize(Pager*, int); @@ -7512,6 +7529,7 @@ SQLITE_PRIVATE int sqlite3PagerCommitPhaseTwo(Pager*); SQLITE_PRIVATE int sqlite3PagerRollback(Pager*); SQLITE_PRIVATE int sqlite3PagerOpenSavepoint(Pager *pPager, int n); SQLITE_PRIVATE int sqlite3PagerSavepoint(Pager *pPager, int op, int iSavepoint); +SQLITE_PRIVATE int sqlite3PagerSharedLock(Pager *pPager); /* Functions used to query pager state and configuration. */ SQLITE_PRIVATE u8 sqlite3PagerIsreadonly(Pager*); @@ -7674,7 +7692,7 @@ SQLITE_PRIVATE int sqlite3PcachePageRefcount(PgHdr*); /* Return the total number of pages stored in the cache */ SQLITE_PRIVATE int sqlite3PcachePagecount(PCache*); -#ifdef SQLITE_CHECK_PAGES +#if defined(SQLITE_CHECK_PAGES) || defined(SQLITE_DEBUG) /* Iterate through all dirty pages currently stored in the cache. This ** interface is only available if SQLITE_CHECK_PAGES is defined when the ** library is built. @@ -8229,6 +8247,7 @@ struct sqlite3 { int iDb; /* When back is being initialized */ int newTnum; /* Rootpage of table being initialized */ u8 busy; /* TRUE if currently initializing */ + u8 orphanTrigger; /* Last statement is orphaned TEMP trigger */ } init; int nExtension; /* Number of loaded extensions */ void **aExtension; /* Array of shared library handles */ @@ -8269,8 +8288,9 @@ struct sqlite3 { #ifndef SQLITE_OMIT_VIRTUALTABLE Hash aModule; /* populated by sqlite3_create_module() */ Table *pVTab; /* vtab with active Connect/Create method */ - sqlite3_vtab **aVTrans; /* Virtual tables with open transactions */ + VTable **aVTrans; /* Virtual tables with open transactions */ int nVTrans; /* Allocated size of aVTrans */ + VTable *pDisconnect; /* Disconnect these in next sqlite3_prepare() */ #endif FuncDefHash aFunc; /* Hash table of connection functions */ Hash aCollSeq; /* All collating sequences */ @@ -8335,9 +8355,7 @@ struct sqlite3 { #define SQLITE_LoadExtension 0x00020000 /* Enable load_extension */ #define SQLITE_RecoveryMode 0x00040000 /* Ignore schema errors */ -#define SQLITE_SharedCache 0x00080000 /* Cache sharing is enabled */ -#define SQLITE_CommitBusy 0x00200000 /* In the process of committing */ -#define SQLITE_ReverseOrder 0x00400000 /* Reverse unordered SELECTs */ +#define SQLITE_ReverseOrder 0x00100000 /* Reverse unordered SELECTs */ /* ** Possible values for the sqlite.magic field. @@ -8546,6 +8564,56 @@ struct CollSeq { #define SQLITE_STOREP2 0x10 /* Store result in reg[P2] rather than jump */ /* +** An object of this type is created for each virtual table present in +** the database schema. +** +** If the database schema is shared, then there is one instance of this +** structure for each database connection (sqlite3*) that uses the shared +** schema. This is because each database connection requires its own unique +** instance of the sqlite3_vtab* handle used to access the virtual table +** implementation. sqlite3_vtab* handles can not be shared between +** database connections, even when the rest of the in-memory database +** schema is shared, as the implementation often stores the database +** connection handle passed to it via the xConnect() or xCreate() method +** during initialization internally. This database connection handle may +** then used by the virtual table implementation to access real tables +** within the database. So that they appear as part of the callers +** transaction, these accesses need to be made via the same database +** connection as that used to execute SQL operations on the virtual table. +** +** All VTable objects that correspond to a single table in a shared +** database schema are initially stored in a linked-list pointed to by +** the Table.pVTable member variable of the corresponding Table object. +** When an sqlite3_prepare() operation is required to access the virtual +** table, it searches the list for the VTable that corresponds to the +** database connection doing the preparing so as to use the correct +** sqlite3_vtab* handle in the compiled query. +** +** When an in-memory Table object is deleted (for example when the +** schema is being reloaded for some reason), the VTable objects are not +** deleted and the sqlite3_vtab* handles are not xDisconnect()ed +** immediately. Instead, they are moved from the Table.pVTable list to +** another linked list headed by the sqlite3.pDisconnect member of the +** corresponding sqlite3 structure. They are then deleted/xDisconnected +** next time a statement is prepared using said sqlite3*. This is done +** to avoid deadlock issues involving multiple sqlite3.mutex mutexes. +** Refer to comments above function sqlite3VtabUnlockList() for an +** explanation as to why it is safe to add an entry to an sqlite3.pDisconnect +** list without holding the corresponding sqlite3.mutex mutex. +** +** The memory for objects of this type is always allocated by +** sqlite3DbMalloc(), using the connection handle stored in VTable.db as +** the first argument. +*/ +struct VTable { + sqlite3 *db; /* Database connection associated with this table */ + Module *pMod; /* Pointer to module implementation */ + sqlite3_vtab *pVtab; /* Pointer to vtab instance */ + int nRef; /* Number of pointers to this structure */ + VTable *pNext; /* Next in linked list (see above) */ +}; + +/* ** Each SQL table is represented in memory by an instance of the ** following structure. ** @@ -8596,8 +8664,7 @@ struct Table { int addColOffset; /* Offset in CREATE TABLE stmt to add a new column */ #endif #ifndef SQLITE_OMIT_VIRTUALTABLE - Module *pMod; /* Pointer to the implementation of the module */ - sqlite3_vtab *pVtab; /* Pointer to the module instance */ + VTable *pVTable; /* List of VTable objects. */ int nModuleArg; /* Number of arguments to the module */ char **azModuleArg; /* Text of all module args. [0] is module name */ #endif @@ -9450,10 +9517,8 @@ struct Parse { int nAliasAlloc; /* Number of allocated slots for aAlias[] */ int *aAlias; /* Register used to hold aliased result */ u8 explain; /* True if the EXPLAIN flag is found on the query */ - Token sErrToken; /* The token at which the error occurred */ Token sNameToken; /* Token with unqualified schema object name */ Token sLastToken; /* The last token parsed */ - const char *zSql; /* All SQL text */ const char *zTail; /* All SQL text past the last semicolon parsed */ Table *pNewTable; /* A table being constructed by CREATE TABLE */ Trigger *pNewTrigger; /* Trigger under construct by a CREATE TRIGGER */ @@ -9571,17 +9636,14 @@ struct Trigger { * */ struct TriggerStep { - int op; /* One of TK_DELETE, TK_UPDATE, TK_INSERT, TK_SELECT */ - int orconf; /* OE_Rollback etc. */ + u8 op; /* One of TK_DELETE, TK_UPDATE, TK_INSERT, TK_SELECT */ + u8 orconf; /* OE_Rollback etc. */ Trigger *pTrig; /* The trigger that this step is a part of */ - - Select *pSelect; /* Valid for SELECT and sometimes - INSERT steps (when pExprList == 0) */ - Token target; /* Target table for DELETE, UPDATE, INSERT. Quoted */ - Expr *pWhere; /* Valid for DELETE, UPDATE steps */ - ExprList *pExprList; /* Valid for UPDATE statements and sometimes - INSERT steps (when pSelect == 0) */ - IdList *pIdList; /* Valid for INSERT statements only */ + Select *pSelect; /* SELECT statment or RHS of INSERT INTO .. SELECT ... */ + Token target; /* Target table for DELETE, UPDATE, INSERT */ + Expr *pWhere; /* The WHERE clause for DELETE or UPDATE steps */ + ExprList *pExprList; /* SET clause for UPDATE. VALUES clause for INSERT */ + IdList *pIdList; /* Column names for INSERT */ TriggerStep *pNext; /* Next in the link-list */ TriggerStep *pLast; /* Last element in link-list. Valid for 1st elem only */ }; @@ -9787,9 +9849,9 @@ SQLITE_PRIVATE int sqlite3Corrupt(void); ** Internal function prototypes */ SQLITE_PRIVATE int sqlite3StrICmp(const char *, const char *); -SQLITE_PRIVATE int sqlite3StrNICmp(const char *, const char *, int); SQLITE_PRIVATE int sqlite3IsNumber(const char*, int*, u8); SQLITE_PRIVATE int sqlite3Strlen30(const char*); +#define sqlite3StrNICmp sqlite3_strnicmp SQLITE_PRIVATE int sqlite3MallocInit(void); SQLITE_PRIVATE void sqlite3MallocEnd(void); @@ -10059,8 +10121,8 @@ SQLITE_PRIVATE int sqlite3CodeRowTrigger(Parse*, Trigger *, int, ExprList*, in SQLITE_PRIVATE void sqlite3DeleteTriggerStep(sqlite3*, TriggerStep*); SQLITE_PRIVATE TriggerStep *sqlite3TriggerSelectStep(sqlite3*,Select*); SQLITE_PRIVATE TriggerStep *sqlite3TriggerInsertStep(sqlite3*,Token*, IdList*, - ExprList*,Select*,int); -SQLITE_PRIVATE TriggerStep *sqlite3TriggerUpdateStep(sqlite3*,Token*,ExprList*, Expr*, int); + ExprList*,Select*,u8); +SQLITE_PRIVATE TriggerStep *sqlite3TriggerUpdateStep(sqlite3*,Token*,ExprList*, Expr*, u8); SQLITE_PRIVATE TriggerStep *sqlite3TriggerDeleteStep(sqlite3*,Token*, Expr*); SQLITE_PRIVATE void sqlite3DeleteTrigger(sqlite3*, Trigger*); SQLITE_PRIVATE void sqlite3UnlinkAndDeleteTrigger(sqlite3*,int,const char*); @@ -10187,7 +10249,7 @@ SQLITE_PRIVATE void sqlite3SelectPrep(Parse*, Select*, NameContext*); SQLITE_PRIVATE int sqlite3ResolveExprNames(NameContext*, Expr*); SQLITE_PRIVATE void sqlite3ResolveSelectNames(Parse*, Select*, NameContext*); SQLITE_PRIVATE int sqlite3ResolveOrderGroupBy(Parse*, Select*, ExprList*, const char*); -SQLITE_PRIVATE void sqlite3ColumnDefault(Vdbe *, Table *, int); +SQLITE_PRIVATE void sqlite3ColumnDefault(Vdbe *, Table *, int, int); SQLITE_PRIVATE void sqlite3AlterFinishAddColumn(Parse *, Token *); SQLITE_PRIVATE void sqlite3AlterBeginAddColumn(Parse *, SrcList *); SQLITE_PRIVATE CollSeq *sqlite3GetCollSeq(sqlite3*, CollSeq *, const char*); @@ -10248,21 +10310,25 @@ SQLITE_PRIVATE int sqlite3Utf8To8(unsigned char*); #endif #ifdef SQLITE_OMIT_VIRTUALTABLE -# define sqlite3VtabClear(X) +# define sqlite3VtabClear(Y) # define sqlite3VtabSync(X,Y) SQLITE_OK # define sqlite3VtabRollback(X) # define sqlite3VtabCommit(X) # define sqlite3VtabInSync(db) 0 +# define sqlite3VtabLock(X) +# define sqlite3VtabUnlock(X) +# define sqlite3VtabUnlockList(X) #else SQLITE_PRIVATE void sqlite3VtabClear(Table*); SQLITE_PRIVATE int sqlite3VtabSync(sqlite3 *db, char **); SQLITE_PRIVATE int sqlite3VtabRollback(sqlite3 *db); SQLITE_PRIVATE int sqlite3VtabCommit(sqlite3 *db); +SQLITE_PRIVATE void sqlite3VtabLock(VTable *); +SQLITE_PRIVATE void sqlite3VtabUnlock(VTable *); +SQLITE_PRIVATE void sqlite3VtabUnlockList(sqlite3*); # define sqlite3VtabInSync(db) ((db)->nVTrans>0 && (db)->aVTrans==0) #endif SQLITE_PRIVATE void sqlite3VtabMakeWritable(Parse*,Table*); -SQLITE_PRIVATE void sqlite3VtabLock(sqlite3_vtab*); -SQLITE_PRIVATE void sqlite3VtabUnlock(sqlite3*, sqlite3_vtab*); SQLITE_PRIVATE void sqlite3VtabBeginParse(Parse*, Token*, Token*, Token*); SQLITE_PRIVATE void sqlite3VtabFinishParse(Parse*, Token*); SQLITE_PRIVATE void sqlite3VtabArgInit(Parse*); @@ -10270,7 +10336,7 @@ SQLITE_PRIVATE void sqlite3VtabArgExtend(Parse*, Token*); SQLITE_PRIVATE int sqlite3VtabCallCreate(sqlite3*, int, const char *, char **); SQLITE_PRIVATE int sqlite3VtabCallConnect(Parse*, Table*); SQLITE_PRIVATE int sqlite3VtabCallDestroy(sqlite3*, int, const char *); -SQLITE_PRIVATE int sqlite3VtabBegin(sqlite3 *, sqlite3_vtab *); +SQLITE_PRIVATE int sqlite3VtabBegin(sqlite3 *, VTable *); SQLITE_PRIVATE FuncDef *sqlite3VtabOverloadFunction(sqlite3 *,FuncDef*, int nArg, Expr*); SQLITE_PRIVATE void sqlite3InvalidFunction(sqlite3_context*,int,sqlite3_value**); SQLITE_PRIVATE int sqlite3TransferBindings(sqlite3_stmt *, sqlite3_stmt *); @@ -10278,6 +10344,7 @@ SQLITE_PRIVATE int sqlite3Reprepare(Vdbe*); SQLITE_PRIVATE void sqlite3ExprListCheckLength(Parse*, ExprList*, const char*); SQLITE_PRIVATE CollSeq *sqlite3BinaryCompareCollSeq(Parse *, Expr *, Expr *); SQLITE_PRIVATE int sqlite3TempInMemory(const sqlite3*); +SQLITE_PRIVATE VTable *sqlite3GetVTable(sqlite3*, Table*); @@ -11824,13 +11891,13 @@ SQLITE_PRIVATE void sqlite3RegisterDateTimeFunctions(void){ ** */ #if defined(SQLITE_TEST) && (SQLITE_OS_WIN==0) - #define DO_OS_MALLOC_TEST if (1) { \ - void *pTstAlloc = sqlite3Malloc(10); \ - if (!pTstAlloc) return SQLITE_IOERR_NOMEM; \ - sqlite3_free(pTstAlloc); \ + #define DO_OS_MALLOC_TEST(x) if (!x || !sqlite3IsMemJournal(x)) { \ + void *pTstAlloc = sqlite3Malloc(10); \ + if (!pTstAlloc) return SQLITE_IOERR_NOMEM; \ + sqlite3_free(pTstAlloc); \ } #else - #define DO_OS_MALLOC_TEST + #define DO_OS_MALLOC_TEST(x) #endif /* @@ -11848,33 +11915,33 @@ SQLITE_PRIVATE int sqlite3OsClose(sqlite3_file *pId){ return rc; } SQLITE_PRIVATE int sqlite3OsRead(sqlite3_file *id, void *pBuf, int amt, i64 offset){ - DO_OS_MALLOC_TEST; + DO_OS_MALLOC_TEST(id); return id->pMethods->xRead(id, pBuf, amt, offset); } SQLITE_PRIVATE int sqlite3OsWrite(sqlite3_file *id, const void *pBuf, int amt, i64 offset){ - DO_OS_MALLOC_TEST; + DO_OS_MALLOC_TEST(id); return id->pMethods->xWrite(id, pBuf, amt, offset); } SQLITE_PRIVATE int sqlite3OsTruncate(sqlite3_file *id, i64 size){ return id->pMethods->xTruncate(id, size); } SQLITE_PRIVATE int sqlite3OsSync(sqlite3_file *id, int flags){ - DO_OS_MALLOC_TEST; + DO_OS_MALLOC_TEST(id); return id->pMethods->xSync(id, flags); } SQLITE_PRIVATE int sqlite3OsFileSize(sqlite3_file *id, i64 *pSize){ - DO_OS_MALLOC_TEST; + DO_OS_MALLOC_TEST(id); return id->pMethods->xFileSize(id, pSize); } SQLITE_PRIVATE int sqlite3OsLock(sqlite3_file *id, int lockType){ - DO_OS_MALLOC_TEST; + DO_OS_MALLOC_TEST(id); return id->pMethods->xLock(id, lockType); } SQLITE_PRIVATE int sqlite3OsUnlock(sqlite3_file *id, int lockType){ return id->pMethods->xUnlock(id, lockType); } SQLITE_PRIVATE int sqlite3OsCheckReservedLock(sqlite3_file *id, int *pResOut){ - DO_OS_MALLOC_TEST; + DO_OS_MALLOC_TEST(id); return id->pMethods->xCheckReservedLock(id, pResOut); } SQLITE_PRIVATE int sqlite3OsFileControl(sqlite3_file *id, int op, void *pArg){ @@ -11900,7 +11967,7 @@ SQLITE_PRIVATE int sqlite3OsOpen( int *pFlagsOut ){ int rc; - DO_OS_MALLOC_TEST; + DO_OS_MALLOC_TEST(0); rc = pVfs->xOpen(pVfs, zPath, pFile, flags, pFlagsOut); assert( rc==SQLITE_OK || pFile->pMethods==0 ); return rc; @@ -11914,7 +11981,7 @@ SQLITE_PRIVATE int sqlite3OsAccess( int flags, int *pResOut ){ - DO_OS_MALLOC_TEST; + DO_OS_MALLOC_TEST(0); return pVfs->xAccess(pVfs, zPath, flags, pResOut); } SQLITE_PRIVATE int sqlite3OsFullPathname( @@ -14028,32 +14095,16 @@ SQLITE_PRIVATE int sqlite3MutexInit(void){ ** install a mutex implementation via sqlite3_config() prior to ** sqlite3_initialize() being called. This block copies pointers to ** the default implementation into the sqlite3GlobalConfig structure. - ** - ** The danger is that although sqlite3_config() is not a threadsafe - ** API, sqlite3_initialize() is, and so multiple threads may be - ** attempting to run this function simultaneously. To guard write - ** access to the sqlite3GlobalConfig structure, the 'MASTER' static mutex - ** is obtained before modifying it. */ - sqlite3_mutex_methods *p = sqlite3DefaultMutex(); - sqlite3_mutex *pMaster = 0; - - rc = p->xMutexInit(); - if( rc==SQLITE_OK ){ - pMaster = p->xMutexAlloc(SQLITE_MUTEX_STATIC_MASTER); - assert(pMaster); - p->xMutexEnter(pMaster); - assert( sqlite3GlobalConfig.mutex.xMutexAlloc==0 - || sqlite3GlobalConfig.mutex.xMutexAlloc==p->xMutexAlloc - ); - if( !sqlite3GlobalConfig.mutex.xMutexAlloc ){ - sqlite3GlobalConfig.mutex = *p; - } - p->xMutexLeave(pMaster); - } - }else{ - rc = sqlite3GlobalConfig.mutex.xMutexInit(); + sqlite3_mutex_methods *pFrom = sqlite3DefaultMutex(); + sqlite3_mutex_methods *pTo = &sqlite3GlobalConfig.mutex; + + memcpy(pTo, pFrom, offsetof(sqlite3_mutex_methods, xMutexAlloc)); + memcpy(&pTo->xMutexFree, &pFrom->xMutexFree, + sizeof(*pTo) - offsetof(sqlite3_mutex_methods, xMutexFree)); + pTo->xMutexAlloc = pFrom->xMutexAlloc; } + rc = sqlite3GlobalConfig.mutex.xMutexInit(); } return rc; @@ -15035,13 +15086,14 @@ static long winMutex_lock = 0; static int winMutexInit(void){ /* The first to increment to 1 does actual initialization */ - if( InterlockedIncrement(&winMutex_lock)==1 ){ + if( InterlockedCompareExchange(&winMutex_lock, 1, 0)==0 ){ int i; for(i=0; i<sizeof(winMutex_staticMutexes)/sizeof(winMutex_staticMutexes[0]); i++){ InitializeCriticalSection(&winMutex_staticMutexes[i].mutex); } winMutex_isInit = 1; }else{ + /* Someone else is in the process of initing the static mutexes */ while( !winMutex_isInit ){ Sleep(1); } @@ -15052,7 +15104,7 @@ static int winMutexInit(void){ static int winMutexEnd(void){ /* The first to decrement to 0 does actual shutdown ** (which should be the last to shutdown.) */ - if( InterlockedDecrement(&winMutex_lock)==0 ){ + if( InterlockedCompareExchange(&winMutex_lock, 0, 1)==1 ){ if( winMutex_isInit==1 ){ int i; for(i=0; i<sizeof(winMutex_staticMutexes)/sizeof(winMutex_staticMutexes[0]); i++){ @@ -15311,13 +15363,11 @@ static SQLITE_WSD struct Mem0Global { ** The alarm callback and its arguments. The mem0.mutex lock will ** be held while the callback is running. Recursive calls into ** the memory subsystem are allowed, but no new callbacks will be - ** issued. The alarmBusy variable is set to prevent recursive - ** callbacks. + ** issued. */ sqlite3_int64 alarmThreshold; void (*alarmCallback)(void*, sqlite3_int64,int); void *alarmArg; - int alarmBusy; /* ** Pointers to the end of sqlite3GlobalConfig.pScratch and @@ -15326,7 +15376,7 @@ static SQLITE_WSD struct Mem0Global { */ u32 *aScratchFree; u32 *aPageFree; -} mem0 = { 62560955, 0, 0, 0, 0, 0, 0, 0, 0 }; +} mem0 = { 0, 0, 0, 0, 0, 0, 0, 0 }; #define mem0 GLOBAL(struct Mem0Global, mem0) @@ -15443,15 +15493,16 @@ static void sqlite3MallocAlarm(int nByte){ void (*xCallback)(void*,sqlite3_int64,int); sqlite3_int64 nowUsed; void *pArg; - if( mem0.alarmCallback==0 || mem0.alarmBusy ) return; - mem0.alarmBusy = 1; + if( mem0.alarmCallback==0 ) return; xCallback = mem0.alarmCallback; nowUsed = sqlite3StatusValue(SQLITE_STATUS_MEMORY_USED); pArg = mem0.alarmArg; + mem0.alarmCallback = 0; sqlite3_mutex_leave(mem0.mutex); xCallback(pArg, nowUsed, nByte); sqlite3_mutex_enter(mem0.mutex); - mem0.alarmBusy = 0; + mem0.alarmCallback = xCallback; + mem0.alarmArg = pArg; } /* @@ -15647,9 +15698,7 @@ SQLITE_PRIVATE int sqlite3MallocSize(void *p){ } SQLITE_PRIVATE int sqlite3DbMallocSize(sqlite3 *db, void *p){ assert( db==0 || sqlite3_mutex_held(db->mutex) ); - if( p==0 ){ - return 0; - }else if( isLookaside(db, p) ){ + if( isLookaside(db, p) ){ return db->lookaside.sz; }else{ return sqlite3GlobalConfig.m.xSize(p); @@ -18211,7 +18260,7 @@ SQLITE_PRIVATE int sqlite3StrICmp(const char *zLeft, const char *zRight){ while( *a!=0 && UpperToLower[*a]==UpperToLower[*b]){ a++; b++; } return UpperToLower[*a] - UpperToLower[*b]; } -SQLITE_PRIVATE int sqlite3StrNICmp(const char *zLeft, const char *zRight, int N){ +SQLITE_API int sqlite3_strnicmp(const char *zLeft, const char *zRight, int N){ register unsigned char *a, *b; a = (unsigned char *)zLeft; b = (unsigned char *)zRight; @@ -21876,13 +21925,14 @@ static void testThreadLockingBehavior(int fd_orig){ d.fd = fd; d.lock = l; d.lock.l_type = F_WRLCK; - pthread_create(&t, 0, threadLockingTest, &d); - pthread_join(t, 0); + if( pthread_create(&t, 0, threadLockingTest, &d)==0 ){ + pthread_join(t, 0); + } close(fd); if( d.result!=0 ) return; threadsOverrideEachOthersLocks = (d.lock.l_type==F_UNLCK); } -#endif /* SQLITE_THERADSAFE && defined(__linux__) */ +#endif /* SQLITE_THREADSAFE && defined(__linux__) */ /* ** Release a unixLockInfo structure previously allocated by findLockInfo(). @@ -26892,9 +26942,8 @@ static BOOL winceLockFile( } /* Want a read-only lock? */ - else if ((dwFileOffsetLow >= SHARED_FIRST && - dwFileOffsetLow < SHARED_FIRST + SHARED_SIZE) && - nNumberOfBytesToLockLow == 1){ + else if (dwFileOffsetLow == SHARED_FIRST && + nNumberOfBytesToLockLow == 1){ if (pFile->shared->bExclusive == 0){ pFile->local.nReaders ++; if (pFile->local.nReaders == 1){ @@ -26913,6 +26962,7 @@ static BOOL winceLockFile( bReturn = TRUE; } } + /* Want a reserved lock? */ else if (dwFileOffsetLow == RESERVED_BYTE && nNumberOfBytesToLockLow == 1){ if (pFile->shared->bReserved == 0) { @@ -28436,8 +28486,7 @@ SQLITE_PRIVATE int sqlite3BitvecTest(Bitvec *p, u32 i){ u32 h = BITVEC_HASH(i++); while( p->u.aHash[h] ){ if( p->u.aHash[h]==i ) return 1; - h++; - if( h>=BITVEC_NINT ) h = 0; + h = (h+1) % BITVEC_NINT; } return 0; } @@ -28457,7 +28506,7 @@ SQLITE_PRIVATE int sqlite3BitvecTest(Bitvec *p, u32 i){ */ SQLITE_PRIVATE int sqlite3BitvecSet(Bitvec *p, u32 i){ u32 h; - assert( p!=0 ); + if( p==0 ) return SQLITE_OK; assert( i>0 ); assert( i<=p->iSize ); i--; @@ -28527,7 +28576,7 @@ bitvec_set_end: ** that BitvecClear can use to rebuilt its hash table. */ SQLITE_PRIVATE void sqlite3BitvecClear(Bitvec *p, u32 i, void *pBuf){ - assert( p!=0 ); + if( p==0 ) return; assert( i>0 ); i--; while( p->iDivisor ){ @@ -28638,6 +28687,10 @@ SQLITE_PRIVATE int sqlite3BitvecBuiltinTest(int sz, int *aOp){ if( pBitvec==0 || pV==0 || pTmpSpace==0 ) goto bitvec_end; memset(pV, 0, (sz+7)/8 + 1); + /* NULL pBitvec tests */ + sqlite3BitvecSet(0, 1); + sqlite3BitvecClear(0, 1, pTmpSpace); + /* Run the program */ pc = 0; while( (op = aOp[pc])!=0 ){ @@ -28907,6 +28960,7 @@ SQLITE_PRIVATE int sqlite3PcacheFetch( int eCreate; assert( pCache!=0 ); + assert( createFlag==1 || createFlag==0 ); assert( pgno>0 ); /* If the pluggable cache (sqlite3_pcache*) has not been allocated, @@ -28924,10 +28978,7 @@ SQLITE_PRIVATE int sqlite3PcacheFetch( pCache->pCache = p; } - eCreate = createFlag ? 1 : 0; - if( eCreate && (!pCache->bPurgeable || !pCache->pDirty) ){ - eCreate = 2; - } + eCreate = createFlag * (1 + (!pCache->bPurgeable || !pCache->pDirty)); if( pCache->pCache ){ pPage = sqlite3GlobalConfig.pcache.xFetch(pCache->pCache, pgno, eCreate); } @@ -29169,24 +29220,22 @@ static PgHdr *pcacheMergeDirtyList(PgHdr *pA, PgHdr *pB){ ** Sort the list of pages in accending order by pgno. Pages are ** connected by pDirty pointers. The pDirtyPrev pointers are ** corrupted by this sort. +** +** Since there cannot be more than 2^31 distinct pages in a database, +** there cannot be more than 31 buckets required by the merge sorter. +** One extra bucket is added to catch overflow in case something +** ever changes to make the previous sentence incorrect. */ -#define N_SORT_BUCKET_ALLOC 25 -#define N_SORT_BUCKET 25 -#ifdef SQLITE_TEST - int sqlite3_pager_n_sort_bucket = 0; - #undef N_SORT_BUCKET - #define N_SORT_BUCKET \ - (sqlite3_pager_n_sort_bucket?sqlite3_pager_n_sort_bucket:N_SORT_BUCKET_ALLOC) -#endif +#define N_SORT_BUCKET 32 static PgHdr *pcacheSortDirtyList(PgHdr *pIn){ - PgHdr *a[N_SORT_BUCKET_ALLOC], *p; + PgHdr *a[N_SORT_BUCKET], *p; int i; memset(a, 0, sizeof(a)); while( pIn ){ p = pIn; pIn = p->pDirty; p->pDirty = 0; - for(i=0; i<N_SORT_BUCKET-1; i++){ + for(i=0; ALWAYS(i<N_SORT_BUCKET-1); i++){ if( a[i]==0 ){ a[i] = p; break; @@ -29195,11 +29244,9 @@ static PgHdr *pcacheSortDirtyList(PgHdr *pIn){ a[i] = 0; } } - if( i==N_SORT_BUCKET-1 ){ - /* Coverage: To get here, there need to be 2^(N_SORT_BUCKET) - ** elements in the input list. This is possible, but impractical. - ** Testing this line is the point of global variable - ** sqlite3_pager_n_sort_bucket. + if( NEVER(i==N_SORT_BUCKET-1) ){ + /* To get here, there need to be 2^(N_SORT_BUCKET) elements in + ** the input list. But that is impossible. */ a[i] = pcacheMergeDirtyList(a[i], p); } @@ -29266,7 +29313,7 @@ SQLITE_PRIVATE void sqlite3PcacheSetCachesize(PCache *pCache, int mxPage){ } } -#ifdef SQLITE_CHECK_PAGES +#if defined(SQLITE_CHECK_PAGES) || defined(SQLITE_DEBUG) /* ** For all dirty pages currently in the cache, invoke the specified ** callback. This is only used if the SQLITE_CHECK_PAGES macro is @@ -29501,9 +29548,13 @@ static PgHdr1 *pcache1AllocPage(PCache1 *pCache){ /* ** Free a page object allocated by pcache1AllocPage(). +** +** The pointer is allowed to be NULL, which is prudent. But it turns out +** that the current implementation happens to never call this routine +** with a NULL pointer, so we mark the NULL test with ALWAYS(). */ static void pcache1FreePage(PgHdr1 *p){ - if( p ){ + if( ALWAYS(p) ){ if( p->pCache->bPurgeable ){ pcache1.nCurrentPage--; } @@ -29754,7 +29805,14 @@ static int pcache1Pagecount(sqlite3_pcache *p){ ** Fetch a page by key value. ** ** Whether or not a new page may be allocated by this function depends on -** the value of the createFlag argument. +** the value of the createFlag argument. 0 means do not allocate a new +** page. 1 means allocate a new page if space is easily available. 2 +** means to try really hard to allocate a new page. +** +** For a non-purgeable cache (a cache used as the storage for an in-memory +** database) there is really no difference between createFlag 1 and 2. So +** the calling function (pcache.c) will never have a createFlag of 1 on +** a non-purgable cache. ** ** There are three different approaches to obtaining space for a page, ** depending on the value of parameter createFlag (which may be 0, 1 or 2). @@ -29765,9 +29823,8 @@ static int pcache1Pagecount(sqlite3_pcache *p){ ** 2. If createFlag==0 and the page is not already in the cache, NULL is ** returned. ** -** 3. If createFlag is 1, the cache is marked as purgeable and the page is -** not already in the cache, and if either of the following are true, -** return NULL: +** 3. If createFlag is 1, and the page is not already in the cache, +** and if either of the following are true, return NULL: ** ** (a) the number of pages pinned by the cache is greater than ** PCache1.nMax, or @@ -29796,6 +29853,7 @@ static void *pcache1Fetch(sqlite3_pcache *p, unsigned int iKey, int createFlag){ PCache1 *pCache = (PCache1 *)p; PgHdr1 *pPage = 0; + assert( pCache->bPurgeable || createFlag!=1 ); pcache1EnterMutex(); if( createFlag==1 ) sqlite3BeginBenignMalloc(); @@ -29812,7 +29870,7 @@ static void *pcache1Fetch(sqlite3_pcache *p, unsigned int iKey, int createFlag){ /* Step 3 of header comment. */ nPinned = pCache->nPage - pCache->nRecyclable; - if( createFlag==1 && pCache->bPurgeable && ( + if( createFlag==1 && ( nPinned>=(pcache1.nMaxPage+pCache->nMin-pcache1.nMinPage) || nPinned>=(pCache->nMax * 9 / 10) )){ @@ -29938,7 +29996,14 @@ static void pcache1Rekey( pPage->pNext = pCache->apHash[h]; pCache->apHash[h] = pPage; - if( iNew>pCache->iMaxKey ){ + /* The xRekey() interface is only used to move pages earlier in the + ** database file (in order to move all free pages to the end of the + ** file where they can be truncated off.) Hence, it is not possible + ** for the new page number to be greater than the largest previously + ** fetched page. But we retain the following test in case xRekey() + ** begins to be used in different ways in the future. + */ + if( NEVER(iNew>pCache->iMaxKey) ){ pCache->iMaxKey = iNew; } @@ -31607,7 +31672,7 @@ static void pager_unlock(Pager *pPager){ /* If the file is unlocked, somebody else might change it. The ** values stored in Pager.dbSize etc. might become invalid if ** this happens. TODO: Really, this doesn't need to be cleared - ** until the change-counter check fails in pagerSharedLock(). + ** until the change-counter check fails in PagerSharedLock(). */ pPager->dbSizeValid = 0; @@ -31654,26 +31719,14 @@ static void pager_unlock(Pager *pPager){ */ static int pager_error(Pager *pPager, int rc){ int rc2 = rc & 0xff; + assert( rc==SQLITE_OK || !MEMDB ); assert( pPager->errCode==SQLITE_FULL || pPager->errCode==SQLITE_OK || (pPager->errCode & 0xff)==SQLITE_IOERR ); - if( - rc2==SQLITE_FULL || - rc2==SQLITE_IOERR || - rc2==SQLITE_CORRUPT - ){ + if( rc2==SQLITE_FULL || rc2==SQLITE_IOERR ){ pPager->errCode = rc; - if( pPager->state==PAGER_UNLOCK - && sqlite3PcacheRefCount(pPager->pPCache)==0 - ){ - /* If the pager is already unlocked, call pager_unlock() now to - ** clear the error state and ensure that the pager-cache is - ** completely empty. - */ - pager_unlock(pPager); - } } return rc; } @@ -31772,21 +31825,10 @@ static int pager_end_transaction(Pager *pPager, int hasMaster){ assert( isOpen(pPager->jfd) || pPager->pInJournal==0 ); if( isOpen(pPager->jfd) ){ - /* TODO: There's a problem here if a journal-file was opened in MEMORY - ** mode and then the journal-mode is changed to TRUNCATE or PERSIST - ** during the transaction. This code should be changed to assume - ** that the journal mode has not changed since the transaction was - ** started. And the sqlite3PagerJournalMode() function should be - ** changed to make sure that this is the case too. - */ - /* Finalize the journal file. */ - if( pPager->journalMode==PAGER_JOURNALMODE_MEMORY ){ - int isMemoryJournal = sqlite3IsMemJournal(pPager->jfd); + if( sqlite3IsMemJournal(pPager->jfd) ){ + assert( pPager->journalMode==PAGER_JOURNALMODE_MEMORY ); sqlite3OsClose(pPager->jfd); - if( !isMemoryJournal ){ - rc = sqlite3OsDelete(pPager->pVfs, pPager->zJournal, 0); - } }else if( pPager->journalMode==PAGER_JOURNALMODE_TRUNCATE ){ if( pPager->journalOff==0 ){ rc = SQLITE_OK; @@ -31803,9 +31845,15 @@ static int pager_end_transaction(Pager *pPager, int hasMaster){ pPager->journalOff = 0; pPager->journalStarted = 0; }else{ - assert( pPager->journalMode==PAGER_JOURNALMODE_DELETE || rc ); + /* This branch may be executed with Pager.journalMode==MEMORY if + ** a hot-journal was just rolled back. In this case the journal + ** file should be closed and deleted. If this connection writes to + ** the database file, it will do so using an in-memory journal. */ + assert( pPager->journalMode==PAGER_JOURNALMODE_DELETE + || pPager->journalMode==PAGER_JOURNALMODE_MEMORY + ); sqlite3OsClose(pPager->jfd); - if( rc==SQLITE_OK && !pPager->tempFile ){ + if( !pPager->tempFile ){ rc = sqlite3OsDelete(pPager->pVfs, pPager->zJournal, 0); } } @@ -32055,9 +32103,7 @@ static int pager_playback_one_page( void *pData; pData = pPg->pData; memcpy(pData, aData, pPager->pageSize); - if( pPager->xReiniter ){ - pPager->xReiniter(pPg); - } + pPager->xReiniter(pPg); if( isMainJrnl && (!isSavepnt || *pOffset<=pPager->journalHdr) ){ /* If the contents of this page were just restored from the main ** journal file, then its content must be as they were when the @@ -32095,46 +32141,6 @@ static int pager_playback_one_page( return rc; } -#if !defined(NDEBUG) || defined(SQLITE_COVERAGE_TEST) -/* -** This routine looks ahead into the main journal file and determines -** whether or not the next record (the record that begins at file -** offset pPager->journalOff) is a well-formed page record consisting -** of a valid page number, pPage->pageSize bytes of content, followed -** by a valid checksum. -** -** The pager never needs to know this in order to do its job. This -** routine is only used from with assert() and testcase() macros. -*/ -static int pagerNextJournalPageIsValid(Pager *pPager){ - Pgno pgno; /* The page number of the page */ - u32 cksum; /* The page checksum */ - int rc; /* Return code from read operations */ - sqlite3_file *fd; /* The file descriptor from which we are reading */ - u8 *aData; /* Content of the page */ - - /* Read the page number header */ - fd = pPager->jfd; - rc = read32bits(fd, pPager->journalOff, &pgno); - if( rc!=SQLITE_OK ){ return 0; } /*NO_TEST*/ - if( pgno==0 || pgno==PAGER_MJ_PGNO(pPager) ){ return 0; } /*NO_TEST*/ - if( pgno>(Pgno)pPager->dbSize ){ return 0; } /*NO_TEST*/ - - /* Read the checksum */ - rc = read32bits(fd, pPager->journalOff+pPager->pageSize+4, &cksum); - if( rc!=SQLITE_OK ){ return 0; } /*NO_TEST*/ - - /* Read the data and verify the checksum */ - aData = (u8*)pPager->pTmpSpace; - rc = sqlite3OsRead(fd, aData, pPager->pageSize, pPager->journalOff+4); - if( rc!=SQLITE_OK ){ return 0; } /*NO_TEST*/ - if( pager_cksum(pPager, aData)!=cksum ){ return 0; } /*NO_TEST*/ - - /* Reach this point only if the page is valid */ - return 1; -} -#endif /* !defined(NDEBUG) || defined(SQLITE_COVERAGE_TEST) */ - /* ** Parameter zMaster is the name of a master journal file. A single journal ** file that referred to the master journal file has just been rolled back. @@ -32210,14 +32216,15 @@ static int pager_delmaster(Pager *pPager, const char *zMaster){ /* Load the entire master journal file into space obtained from ** sqlite3_malloc() and pointed to by zMasterJournal. */ - zMasterJournal = (char *)sqlite3Malloc((int)nMasterJournal + nMasterPtr); + zMasterJournal = sqlite3Malloc((int)nMasterJournal + nMasterPtr + 1); if( !zMasterJournal ){ rc = SQLITE_NOMEM; goto delmaster_out; } - zMasterPtr = &zMasterJournal[nMasterJournal]; + zMasterPtr = &zMasterJournal[nMasterJournal+1]; rc = sqlite3OsRead(pMaster, zMasterJournal, (int)nMasterJournal, 0); if( rc!=SQLITE_OK ) goto delmaster_out; + zMasterJournal[nMasterJournal] = 0; zJournal = zMasterJournal; while( (zJournal-zMasterJournal)<nMasterJournal ){ @@ -32493,11 +32500,6 @@ static int pager_playback(Pager *pPager, int isHot){ ** pages that need to be rolled back and that the number of pages ** should be computed based on the journal file size. */ - testcase( nRec==0 && !isHot - && pPager->journalHdr+JOURNAL_HDR_SZ(pPager)!=pPager->journalOff - && ((szJ - pPager->journalOff) / JOURNAL_PG_SZ(pPager))>0 - && pagerNextJournalPageIsValid(pPager) - ); if( nRec==0 && !isHot && pPager->journalHdr+JOURNAL_HDR_SZ(pPager)==pPager->journalOff ){ nRec = (int)((szJ - pPager->journalOff) / JOURNAL_PG_SZ(pPager)); @@ -32689,11 +32691,6 @@ static int pagerPlaybackSavepoint(Pager *pPager, PagerSavepoint *pSavepoint){ ** test is related to ticket #2565. See the discussion in the ** pager_playback() function for additional information. */ - assert( !(nJRec==0 - && pPager->journalHdr+JOURNAL_HDR_SZ(pPager)!=pPager->journalOff - && ((szJ - pPager->journalOff) / JOURNAL_PG_SZ(pPager))>0 - && pagerNextJournalPageIsValid(pPager)) - ); if( nJRec==0 && pPager->journalHdr+JOURNAL_HDR_SZ(pPager)==pPager->journalOff ){ @@ -32842,17 +32839,6 @@ SQLITE_PRIVATE void sqlite3PagerSetBusyhandler( } /* -** Set the reinitializer for this pager. If not NULL, the reinitializer -** is called when the content of a page in cache is modified (restored) -** as part of a transaction or savepoint rollback. The callback gives -** higher-level code an opportunity to restore the EXTRA section to -** agree with the restored page data. -*/ -SQLITE_PRIVATE void sqlite3PagerSetReiniter(Pager *pPager, void (*xReinit)(DbPage*)){ - pPager->xReiniter = xReinit; -} - -/* ** Report the current page size and number of reserved bytes back ** to the codec. */ @@ -32899,12 +32885,13 @@ static void pagerReportSize(Pager *pPager){ */ SQLITE_PRIVATE int sqlite3PagerSetPagesize(Pager *pPager, u16 *pPageSize, int nReserve){ int rc = pPager->errCode; + if( rc==SQLITE_OK ){ u16 pageSize = *pPageSize; assert( pageSize==0 || (pageSize>=512 && pageSize<=SQLITE_MAX_PAGE_SIZE) ); - if( pageSize && pageSize!=pPager->pageSize - && (pPager->memDb==0 || pPager->dbSize==0) + if( (pPager->memDb==0 || pPager->dbSize==0) && sqlite3PcacheRefCount(pPager->pPCache)==0 + && pageSize && pageSize!=pPager->pageSize ){ char *pNew = (char *)sqlite3PageMalloc(pageSize); if( !pNew ){ @@ -33118,6 +33105,40 @@ static int pager_wait_on_lock(Pager *pPager, int locktype){ } /* +** Function assertTruncateConstraint(pPager) checks that one of the +** following is true for all dirty pages currently in the page-cache: +** +** a) The page number is less than or equal to the size of the +** current database image, in pages, OR +** +** b) if the page content were written at this time, it would not +** be necessary to write the current content out to the sub-journal +** (as determined by function subjRequiresPage()). +** +** If the condition asserted by this function were not true, and the +** dirty page were to be discarded from the cache via the pagerStress() +** routine, pagerStress() would not write the current page content to +** the database file. If a savepoint transaction were rolled back after +** this happened, the correct behaviour would be to restore the current +** content of the page. However, since this content is not present in either +** the database file or the portion of the rollback journal and +** sub-journal rolled back the content could not be restored and the +** database image would become corrupt. It is therefore fortunate that +** this circumstance cannot arise. +*/ +#if defined(SQLITE_DEBUG) +static void assertTruncateConstraintCb(PgHdr *pPg){ + assert( pPg->flags&PGHDR_DIRTY ); + assert( !subjRequiresPage(pPg) || pPg->pgno<=pPg->pPager->dbSize ); +} +static void assertTruncateConstraint(Pager *pPager){ + sqlite3PcacheIterateDirty(pPager->pPCache, assertTruncateConstraintCb); +} +#else +# define assertTruncateConstraint(pPager) +#endif + +/* ** Truncate the in-memory database file image to nPage pages. This ** function does not actually modify the database file on disk. It ** just sets the internal state of the pager object so that the @@ -33128,6 +33149,7 @@ SQLITE_PRIVATE void sqlite3PagerTruncateImage(Pager *pPager, Pgno nPage){ assert( pPager->dbSize>=nPage ); assert( pPager->state>=PAGER_RESERVED ); pPager->dbSize = nPage; + assertTruncateConstraint(pPager); } /* @@ -33363,7 +33385,7 @@ static int pager_write_pagelist(PgHdr *pList){ Pager *pPager; /* Pager object */ int rc; /* Return code */ - if( pList==0 ) return SQLITE_OK; + if( NEVER(pList==0) ) return SQLITE_OK; pPager = pList->pPager; /* At this point there may be either a RESERVED or EXCLUSIVE lock on the @@ -33480,7 +33502,6 @@ static int subjournalPage(PgHdr *pPg){ pPager->nSubRec++; assert( pPager->nSavepoint>0 ); rc = addToSavepointBitvecs(pPager, pPg->pgno); - testcase( rc!=SQLITE_OK ); } return rc; } @@ -33525,7 +33546,9 @@ static int pagerStress(void *p, PgHdr *pPg){ ** Similarly, if the pager has already entered the error state, do not ** try to write the contents of pPg to disk. */ - if( pPager->errCode || (pPager->doNotSync && pPg->flags&PGHDR_NEED_SYNC) ){ + if( NEVER(pPager->errCode) + || (pPager->doNotSync && pPg->flags&PGHDR_NEED_SYNC) + ){ return SQLITE_OK; } @@ -33568,7 +33591,9 @@ static int pagerStress(void *p, PgHdr *pPg){ ** be restored to its current value when the "ROLLBACK TO sp" is ** executed. */ - if( rc==SQLITE_OK && pPg->pgno>pPager->dbSize && subjRequiresPage(pPg) ){ + if( NEVER( + rc==SQLITE_OK && pPg->pgno>pPager->dbSize && subjRequiresPage(pPg) + ) ){ rc = subjournalPage(pPg); } @@ -33624,7 +33649,8 @@ SQLITE_PRIVATE int sqlite3PagerOpen( const char *zFilename, /* Name of the database file to open */ int nExtra, /* Extra bytes append to each in-memory page */ int flags, /* flags controlling this file */ - int vfsFlags /* flags passed through to sqlite3_vfs.xOpen() */ + int vfsFlags, /* flags passed through to sqlite3_vfs.xOpen() */ + void (*xReinit)(DbPage*) /* Function to reinitialize pages */ ){ u8 *pPtr; Pager *pPager = 0; /* Pager object to allocate and return */ @@ -33733,6 +33759,7 @@ SQLITE_PRIVATE int sqlite3PagerOpen( memcpy(pPager->zFilename, zPathname, nPathname); memcpy(pPager->zJournal, zPathname, nPathname); memcpy(&pPager->zJournal[nPathname], "-journal", 8); + if( pPager->zFilename[0]==0 ) pPager->zJournal[0] = 0; sqlite3_free(zPathname); } pPager->pVfs = pVfs; @@ -33842,7 +33869,8 @@ SQLITE_PRIVATE int sqlite3PagerOpen( pPager->memDb = (u8)memDb; pPager->readOnly = (u8)readOnly; /* pPager->needSync = 0; */ - pPager->noSync = (pPager->tempFile || !useJournal) ?1:0; + assert( useJournal || pPager->tempFile ); + pPager->noSync = pPager->tempFile; pPager->fullSync = pPager->noSync ?0:1; pPager->sync_flags = SQLITE_SYNC_NORMAL; /* pPager->pFirst = 0; */ @@ -33852,11 +33880,14 @@ SQLITE_PRIVATE int sqlite3PagerOpen( pPager->journalSizeLimit = SQLITE_DEFAULT_JOURNAL_SIZE_LIMIT; assert( isOpen(pPager->fd) || tempFile ); setSectorSize(pPager); - if( memDb ){ + if( !useJournal ){ + pPager->journalMode = PAGER_JOURNALMODE_OFF; + }else if( memDb ){ pPager->journalMode = PAGER_JOURNALMODE_MEMORY; } /* pPager->xBusyHandler = 0; */ /* pPager->pBusyHandlerArg = 0; */ + pPager->xReiniter = xReinit; /* memset(pPager->aHash, 0, sizeof(pPager->aHash)); */ *ppPager = pPager; return SQLITE_OK; @@ -33904,6 +33935,7 @@ static int hasHotJournal(Pager *pPager, int *pExists){ assert( pPager->useJournal ); assert( isOpen(pPager->fd) ); assert( !isOpen(pPager->jfd) ); + assert( pPager->state <= PAGER_SHARED ); *pExists = 0; rc = sqlite3OsAccess(pVfs, pPager->zJournal, SQLITE_ACCESS_EXISTS, &exists); @@ -33932,13 +33964,9 @@ static int hasHotJournal(Pager *pPager, int *pExists){ if( rc==SQLITE_OK ){ if( nPage==0 ){ sqlite3BeginBenignMalloc(); - if( pPager->state>=PAGER_RESERVED - || sqlite3OsLock(pPager->fd, RESERVED_LOCK)==SQLITE_OK ){ + if( sqlite3OsLock(pPager->fd, RESERVED_LOCK)==SQLITE_OK ){ sqlite3OsDelete(pVfs, pPager->zJournal, 0); - assert( pPager->state>=PAGER_SHARED ); - if( pPager->state==PAGER_SHARED ){ - sqlite3OsUnlock(pPager->fd, SHARED_LOCK); - } + sqlite3OsUnlock(pPager->fd, SHARED_LOCK); } sqlite3EndBenignMalloc(); }else{ @@ -33997,8 +34025,9 @@ static int readDbPage(PgHdr *pPg){ i64 iOffset; /* Byte offset of file to read from */ assert( pPager->state>=PAGER_SHARED && !MEMDB ); + assert( isOpen(pPager->fd) ); - if( !isOpen(pPager->fd) ){ + if( NEVER(!isOpen(pPager->fd)) ){ assert( pPager->tempFile ); memset(pPg->pData, 0, pPager->pageSize); return SQLITE_OK; @@ -34024,10 +34053,12 @@ static int readDbPage(PgHdr *pPg){ } /* -** This function is called whenever the upper layer requests a database -** page is requested, before the cache is checked for a suitable page -** or any data is read from the database. It performs the following -** two functions: +** This function is called to obtain a shared lock on the database file. +** It is illegal to call sqlite3PagerAcquire() until after this function +** has been successfully called. If a shared-lock is already held when +** this function is called, it is a no-op. +** +** The following operations are also performed by this function. ** ** 1) If the pager is currently in PAGER_UNLOCK state (no lock held ** on the database file), then an attempt is made to obtain a @@ -34053,16 +34084,20 @@ static int readDbPage(PgHdr *pPg){ ** IO error occurs while locking the database, checking for a hot-journal ** file or rolling back a journal file, the IO error code is returned. */ -static int pagerSharedLock(Pager *pPager){ +SQLITE_PRIVATE int sqlite3PagerSharedLock(Pager *pPager){ int rc = SQLITE_OK; /* Return code */ int isErrorReset = 0; /* True if recovering from error state */ - /* If this database has no outstanding page references and is in an - ** error-state, this is a chance to clear the error. Discard the - ** contents of the pager-cache and rollback any hot journal in the - ** file-system. + /* This routine is only called from b-tree and only when there are no + ** outstanding pages */ + assert( sqlite3PcacheRefCount(pPager->pPCache)==0 ); + if( NEVER(MEMDB && pPager->errCode) ){ return pPager->errCode; } + + /* If this database is in an error-state, now is a chance to clear + ** the error. Discard the contents of the pager-cache and rollback + ** any hot journal in the file-system. */ - if( !MEMDB && sqlite3PcacheRefCount(pPager->pPCache)==0 && pPager->errCode ){ + if( pPager->errCode ){ if( isOpen(pPager->jfd) || pPager->zJournal ){ isErrorReset = 1; } @@ -34070,27 +34105,20 @@ static int pagerSharedLock(Pager *pPager){ pager_reset(pPager); } - /* If the pager is still in an error state, do not proceed. The error - ** state will be cleared at some point in the future when all page - ** references are dropped and the cache can be discarded. - */ - if( pPager->errCode && pPager->errCode!=SQLITE_FULL ){ - return pPager->errCode; - } - if( pPager->state==PAGER_UNLOCK || isErrorReset ){ sqlite3_vfs * const pVfs = pPager->pVfs; int isHotJournal = 0; assert( !MEMDB ); assert( sqlite3PcacheRefCount(pPager->pPCache)==0 ); - if( !pPager->noReadlock ){ + if( pPager->noReadlock ){ + assert( pPager->readOnly ); + pPager->state = PAGER_SHARED; + }else{ rc = pager_wait_on_lock(pPager, SHARED_LOCK); if( rc!=SQLITE_OK ){ assert( pPager->state==PAGER_UNLOCK ); return pager_error(pPager, rc); } - }else if( pPager->state==PAGER_UNLOCK ){ - pPager->state = PAGER_SHARED; } assert( pPager->state>=SHARED_LOCK ); @@ -34098,6 +34126,7 @@ static int pagerSharedLock(Pager *pPager){ ** database file, then it either needs to be played back or deleted. */ if( !isErrorReset ){ + assert( pPager->state <= PAGER_SHARED ); rc = hasHotJournal(pPager, &isHotJournal); if( rc!=SQLITE_OK ){ goto failed; @@ -34250,27 +34279,10 @@ static void pagerUnlockIfUnused(Pager *pPager){ } /* -** Drop a page from the cache using sqlite3PcacheDrop(). -** -** If this means there are now no pages with references to them, a rollback -** occurs and the lock on the database is removed. -*/ -static void pagerDropPage(DbPage *pPg){ - Pager *pPager = pPg->pPager; - sqlite3PcacheDrop(pPg); - pagerUnlockIfUnused(pPager); -} - -/* ** Acquire a reference to page number pgno in pager pPager (a page ** reference has type DbPage*). If the requested reference is ** successfully obtained, it is copied to *ppPage and SQLITE_OK returned. ** -** This function calls pagerSharedLock() to obtain a SHARED lock on -** the database file if such a lock or greater is not already held. -** This may cause hot-journal rollback or a cache purge. See comments -** above function pagerSharedLock() for details. -** ** If the requested page is already in the cache, it is returned. ** Otherwise, a new page object is allocated and populated with data ** read from the database file. In some cases, the pcache module may @@ -34322,62 +34334,66 @@ SQLITE_PRIVATE int sqlite3PagerAcquire( DbPage **ppPage, /* Write a pointer to the page here */ int noContent /* Do not bother reading content from disk if true */ ){ - PgHdr *pPg = 0; int rc; + PgHdr *pPg; assert( assert_pager_state(pPager) ); - assert( pPager->state==PAGER_UNLOCK - || sqlite3PcacheRefCount(pPager->pPCache)>0 - || pgno==1 - ); + assert( pPager->state>PAGER_UNLOCK ); - /* The maximum page number is 2^31. Return SQLITE_CORRUPT if a page - ** number greater than this, or zero, is requested. - */ - if( pgno>PAGER_MAX_PGNO || pgno==0 || pgno==PAGER_MJ_PGNO(pPager) ){ + if( pgno==0 ){ return SQLITE_CORRUPT_BKPT; } - /* Make sure we have not hit any critical errors. - */ - assert( pPager!=0 ); - *ppPage = 0; - - /* If this is the first page accessed, then get a SHARED lock - ** on the database file. pagerSharedLock() is a no-op if - ** a database lock is already held. - */ - rc = pagerSharedLock(pPager); - if( rc!=SQLITE_OK ){ - return rc; + /* If the pager is in the error state, return an error immediately. + ** Otherwise, request the page from the PCache layer. */ + if( pPager->errCode!=SQLITE_OK && pPager->errCode!=SQLITE_FULL ){ + rc = pPager->errCode; + }else{ + rc = sqlite3PcacheFetch(pPager->pPCache, pgno, 1, ppPage); } - assert( pPager->state!=PAGER_UNLOCK ); - rc = sqlite3PcacheFetch(pPager->pPCache, pgno, 1, &pPg); if( rc!=SQLITE_OK ){ - pagerUnlockIfUnused(pPager); - return rc; - } - assert( pPg->pgno==pgno ); - assert( pPg->pPager==pPager || pPg->pPager==0 ); - if( pPg->pPager==0 ){ + /* Either the call to sqlite3PcacheFetch() returned an error or the + ** pager was already in the error-state when this function was called. + ** Set pPg to 0 and jump to the exception handler. */ + pPg = 0; + goto pager_acquire_err; + } + assert( (*ppPage)->pgno==pgno ); + assert( (*ppPage)->pPager==pPager || (*ppPage)->pPager==0 ); + + if( (*ppPage)->pPager ){ + /* In this case the pcache already contains an initialized copy of + ** the page. Return without further ado. */ + assert( pgno<=PAGER_MAX_PGNO && pgno!=PAGER_MJ_PGNO(pPager) ); + PAGER_INCR(pPager->nHit); + return SQLITE_OK; + + }else{ /* The pager cache has created a new page. Its content needs to - ** be initialized. - */ + ** be initialized. */ int nMax; + PAGER_INCR(pPager->nMiss); + pPg = *ppPage; pPg->pPager = pPager; + /* The maximum page number is 2^31. Return SQLITE_CORRUPT if a page + ** number greater than this, or the unused locking-page, is requested. */ + if( pgno>PAGER_MAX_PGNO || pgno==PAGER_MJ_PGNO(pPager) ){ + rc = SQLITE_CORRUPT_BKPT; + goto pager_acquire_err; + } + rc = sqlite3PagerPagecount(pPager, &nMax); if( rc!=SQLITE_OK ){ - sqlite3PagerUnref(pPg); - return rc; + goto pager_acquire_err; } if( nMax<(int)pgno || MEMDB || noContent ){ if( pgno>pPager->mxPgno ){ - sqlite3PagerUnref(pPg); - return SQLITE_FULL; + rc = SQLITE_FULL; + goto pager_acquire_err; } if( noContent ){ /* Failure to set the bits in the InJournal bit-vectors is benign. @@ -34402,20 +34418,25 @@ SQLITE_PRIVATE int sqlite3PagerAcquire( assert( pPg->pPager==pPager ); rc = readDbPage(pPg); if( rc!=SQLITE_OK ){ - pagerDropPage(pPg); - return rc; + goto pager_acquire_err; } } #ifdef SQLITE_CHECK_PAGES pPg->pageHash = pager_pagehash(pPg); #endif - }else{ - /* The requested page is in the page cache. */ - PAGER_INCR(pPager->nHit); } - *ppPage = pPg; return SQLITE_OK; + +pager_acquire_err: + assert( rc!=SQLITE_OK ); + if( pPg ){ + sqlite3PcacheDrop(pPg); + } + pagerUnlockIfUnused(pPager); + + *ppPage = 0; + return rc; } /* @@ -34435,13 +34456,9 @@ SQLITE_PRIVATE DbPage *sqlite3PagerLookup(Pager *pPager, Pgno pgno){ PgHdr *pPg = 0; assert( pPager!=0 ); assert( pgno!=0 ); - - if( (pPager->state!=PAGER_UNLOCK) - && (pPager->errCode==SQLITE_OK || pPager->errCode==SQLITE_FULL) - ){ - sqlite3PcacheFetch(pPager->pPCache, pgno, 0, &pPg); - } - + assert( pPager->pPCache!=0 ); + assert( pPager->state > PAGER_UNLOCK ); + sqlite3PcacheFetch(pPager->pPCache, pgno, 0, &pPg); return pPg; } @@ -34510,12 +34527,13 @@ static int pager_open_journal(Pager *pPager){ assert( pPager->state>=PAGER_RESERVED ); assert( pPager->useJournal ); + assert( pPager->journalMode!=PAGER_JOURNALMODE_OFF ); assert( pPager->pInJournal==0 ); - /* If already in the error state, this function is a no-op. */ - if( pPager->errCode ){ - return pPager->errCode; - } + /* If already in the error state, this function is a no-op. But on + ** the other hand, this routine is never called if we are already in + ** an error state. */ + if( NEVER(pPager->errCode) ) return pPager->errCode; /* TODO: Is it really possible to get here with dbSizeValid==0? If not, ** the call to PagerPagecount() can be removed. @@ -34625,9 +34643,7 @@ SQLITE_PRIVATE int sqlite3PagerBegin(Pager *pPager, int exFlag, int subjInMemory /* If the required locks were successfully obtained, open the journal ** file and write the first journal-header to it. */ - if( rc==SQLITE_OK && pPager->useJournal - && pPager->journalMode!=PAGER_JOURNALMODE_OFF - ){ + if( rc==SQLITE_OK && pPager->journalMode!=PAGER_JOURNALMODE_OFF ){ rc = pager_open_journal(pPager); } }else if( isOpen(pPager->jfd) && pPager->journalOff==0 ){ @@ -34645,6 +34661,15 @@ SQLITE_PRIVATE int sqlite3PagerBegin(Pager *pPager, int exFlag, int subjInMemory PAGERTRACE(("TRANSACTION %d\n", PAGERID(pPager))); assert( !isOpen(pPager->jfd) || pPager->journalOff>0 || rc!=SQLITE_OK ); + if( rc!=SQLITE_OK ){ + assert( !pPager->dbModified ); + /* Ignore any IO error that occurs within pager_end_transaction(). The + ** purpose of this call is to reset the internal state of the pager + ** sub-system. It doesn't matter if the journal-file is not properly + ** finalized at this point (since it is not a valid journal file anyway). + */ + pager_end_transaction(pPager, 0); + } return rc; } @@ -34660,14 +34685,19 @@ static int pager_write(PgHdr *pPg){ Pager *pPager = pPg->pPager; int rc = SQLITE_OK; - /* Check for errors + /* This routine is not called unless a transaction has already been + ** started. */ - if( pPager->errCode ){ - return pPager->errCode; - } - if( pPager->readOnly ){ - return SQLITE_PERM; - } + assert( pPager->state>=PAGER_RESERVED ); + + /* If an error has been previously detected, we should not be + ** calling this routine. Repeat the error for robustness. + */ + if( NEVER(pPager->errCode) ) return pPager->errCode; + + /* Higher-level routines never call this function if database is not + ** writable. But check anyway, just for robustness. */ + if( NEVER(pPager->readOnly) ) return SQLITE_PERM; assert( !pPager->setMaster ); @@ -34685,17 +34715,16 @@ static int pager_write(PgHdr *pPg){ ** written to the transaction journal or the ckeckpoint journal ** or both. ** - ** First check to see that the transaction journal exists and - ** create it if it does not. + ** Higher level routines should have already started a transaction, + ** which means they have acquired the necessary locks and opened + ** a rollback journal. Double-check to makes sure this is the case. */ - assert( pPager->state!=PAGER_UNLOCK ); rc = sqlite3PagerBegin(pPager, 0, pPager->subjInMemory); - if( rc!=SQLITE_OK ){ + if( NEVER(rc!=SQLITE_OK) ){ return rc; } - assert( pPager->state>=PAGER_RESERVED ); - if( !isOpen(pPager->jfd) && pPager->useJournal - && pPager->journalMode!=PAGER_JOURNALMODE_OFF ){ + if( !isOpen(pPager->jfd) && pPager->journalMode!=PAGER_JOURNALMODE_OFF ){ + assert( pPager->useJournal ); rc = pager_open_journal(pPager); if( rc!=SQLITE_OK ) return rc; } @@ -34874,9 +34903,9 @@ SQLITE_PRIVATE int sqlite3PagerWrite(DbPage *pDbPage){ ** journal file must contain sync()ed copies of all of them ** before any of them can be written out to the database file. */ - if( needSync ){ + if( rc==SQLITE_OK && needSync ){ assert( !MEMDB && pPager->noSync==0 ); - for(ii=0; ii<nPage && needSync; ii++){ + for(ii=0; ii<nPage; ii++){ PgHdr *pPage = pager_lookup(pPager, pg1+ii); if( pPage ){ pPage->flags |= PGHDR_NEED_SYNC; @@ -34936,12 +34965,12 @@ SQLITE_PRIVATE void sqlite3PagerDontWrite(PgHdr *pPg){ ** change-counter, stored as a 4-byte big-endian integer starting at ** byte offset 24 of the pager file. ** -** If the isDirect flag is zero, then this is done by calling +** If the isDirectMode flag is zero, then this is done by calling ** sqlite3PagerWrite() on page 1, then modifying the contents of the ** page data. In this case the file will be updated when the current ** transaction is committed. ** -** The isDirect flag may only be non-zero if the library was compiled +** The isDirectMode flag may only be non-zero if the library was compiled ** with the SQLITE_ENABLE_ATOMIC_WRITE macro defined. In this case, ** if isDirect is non-zero, then the database file is updated directly ** by writing an updated version of page 1 using a call to the @@ -34961,15 +34990,15 @@ static int pager_incr_changecounter(Pager *pPager, int isDirectMode){ ** "if( isDirect )" condition. */ #ifndef SQLITE_ENABLE_ATOMIC_WRITE - const int isDirect = 0; +# define DIRECT_MODE 0 assert( isDirectMode==0 ); UNUSED_PARAMETER(isDirectMode); #else - const int isDirect = isDirectMode; +# define DIRECT_MODE isDirectMode #endif assert( pPager->state>=PAGER_RESERVED ); - if( !pPager->changeCountDone && pPager->dbSize>0 ){ + if( !pPager->changeCountDone && ALWAYS(pPager->dbSize>0) ){ PgHdr *pPgHdr; /* Reference to page 1 */ u32 change_counter; /* Initial value of change-counter field */ @@ -34980,9 +35009,11 @@ static int pager_incr_changecounter(Pager *pPager, int isDirectMode){ assert( pPgHdr==0 || rc==SQLITE_OK ); /* If page one was fetched successfully, and this function is not - ** operating in direct-mode, make page 1 writable. + ** operating in direct-mode, make page 1 writable. When not in + ** direct mode, page 1 is always held in cache and hence the PagerGet() + ** above is always successful - hence the ALWAYS on rc==SQLITE_OK. */ - if( rc==SQLITE_OK && !isDirect ){ + if( !DIRECT_MODE && ALWAYS(rc==SQLITE_OK) ){ rc = sqlite3PagerWrite(pPgHdr); } @@ -34993,14 +35024,14 @@ static int pager_incr_changecounter(Pager *pPager, int isDirectMode){ put32bits(((char*)pPgHdr->pData)+24, change_counter); /* If running in direct mode, write the contents of page 1 to the file. */ - if( isDirect ){ + if( DIRECT_MODE ){ const void *zBuf = pPgHdr->pData; assert( pPager->dbFileSize>0 ); rc = sqlite3OsWrite(pPager->fd, zBuf, pPager->pageSize, 0); - } - - /* If everything worked, set the changeCountDone flag. */ - if( rc==SQLITE_OK ){ + if( rc==SQLITE_OK ){ + pPager->changeCountDone = 1; + } + }else{ pPager->changeCountDone = 1; } } @@ -35020,7 +35051,8 @@ static int pager_incr_changecounter(Pager *pPager, int isDirectMode){ */ SQLITE_PRIVATE int sqlite3PagerSync(Pager *pPager){ int rc; /* Return code */ - if( MEMDB || pPager->noSync ){ + assert( !MEMDB ); + if( pPager->noSync ){ rc = SQLITE_OK; }else{ rc = sqlite3OsSync(pPager->fd, pPager->sync_flags); @@ -35061,17 +35093,22 @@ SQLITE_PRIVATE int sqlite3PagerCommitPhaseOne( ){ int rc = SQLITE_OK; /* Return code */ - if( pPager->errCode ){ - return pPager->errCode; - } + /* The dbOrigSize is never set if journal_mode=OFF */ + assert( pPager->journalMode!=PAGER_JOURNALMODE_OFF || pPager->dbOrigSize==0 ); + + /* If a prior error occurred, this routine should not be called. ROLLBACK + ** is the appropriate response to an error, not COMMIT. Guard against + ** coding errors by repeating the prior error. */ + if( NEVER(pPager->errCode) ) return pPager->errCode; PAGERTRACE(("DATABASE SYNC: File=%s zMaster=%s nSize=%d\n", pPager->zFilename, zMaster, pPager->dbSize)); - /* If this is an in-memory db, or no pages have been written to, or this - ** function has already been called, it is a no-op. - */ if( MEMDB && pPager->dbModified ){ + /* If this is an in-memory db, or no pages have been written to, or this + ** function has already been called, it is mostly a no-op. However, any + ** backup in progress needs to be restarted. + */ sqlite3BackupRestart(pPager->pBackup); }else if( pPager->state!=PAGER_SYNCED && pPager->dbModified ){ @@ -35133,10 +35170,13 @@ SQLITE_PRIVATE int sqlite3PagerCommitPhaseOne( ** that it took at the start of the transaction. Otherwise, the ** calls to sqlite3PagerGet() return zeroed pages instead of ** reading data from the database file. + ** + ** When journal_mode==OFF the dbOrigSize is always zero, so this + ** block never runs if journal_mode=OFF. */ #ifndef SQLITE_OMIT_AUTOVACUUM - if( pPager->dbSize<pPager->dbOrigSize - && pPager->journalMode!=PAGER_JOURNALMODE_OFF + if( pPager->dbSize<pPager->dbOrigSize + && ALWAYS(pPager->journalMode!=PAGER_JOURNALMODE_OFF) ){ Pgno i; /* Iterator variable */ const Pgno iSkip = PAGER_MJ_PGNO(pPager); /* Pending lock page */ @@ -35198,14 +35238,6 @@ SQLITE_PRIVATE int sqlite3PagerCommitPhaseOne( } commit_phase_one_exit: - if( rc==SQLITE_IOERR_BLOCKED ){ - /* pager_incr_changecounter() may attempt to obtain an exclusive - ** lock to spill the cache and return IOERR_BLOCKED. But since - ** there is no chance the cache is inconsistent, it is - ** better to return SQLITE_BUSY. - **/ - rc = SQLITE_BUSY; - } return rc; } @@ -35228,18 +35260,16 @@ commit_phase_one_exit: SQLITE_PRIVATE int sqlite3PagerCommitPhaseTwo(Pager *pPager){ int rc = SQLITE_OK; /* Return code */ - /* Do not proceed if the pager is already in the error state. */ - if( pPager->errCode ){ - return pPager->errCode; - } + /* This routine should not be called if a prior error has occurred. + ** But if (due to a coding error elsewhere in the system) it does get + ** called, just return the same error code without doing anything. */ + if( NEVER(pPager->errCode) ) return pPager->errCode; /* This function should not be called if the pager is not in at least ** PAGER_RESERVED state. And indeed SQLite never does this. But it is - ** nice to have this defensive block here anyway. + ** nice to have this defensive test here anyway. */ - if( NEVER(pPager->state<PAGER_RESERVED) ){ - return SQLITE_ERROR; - } + if( NEVER(pPager->state<PAGER_RESERVED) ) return SQLITE_ERROR; /* An optimization. If the database was not actually modified during ** this transaction, the pager is running in exclusive-mode and is @@ -35434,7 +35464,7 @@ SQLITE_PRIVATE int sqlite3PagerOpenSavepoint(Pager *pPager, int nSavepoint){ for(ii=nCurrent; ii<nSavepoint; ii++){ assert( pPager->dbSizeValid ); aNew[ii].nOrig = pPager->dbSize; - if( isOpen(pPager->jfd) && pPager->journalOff>0 ){ + if( isOpen(pPager->jfd) && ALWAYS(pPager->journalOff>0) ){ aNew[ii].iOffset = pPager->journalOff; }else{ aNew[ii].iOffset = JOURNAL_HDR_SZ(pPager); @@ -35448,6 +35478,7 @@ SQLITE_PRIVATE int sqlite3PagerOpenSavepoint(Pager *pPager, int nSavepoint){ /* Open the sub-journal, if it is not already opened. */ rc = openSubJournal(pPager); + assertTruncateConstraint(pPager); } return rc; @@ -35703,7 +35734,7 @@ SQLITE_PRIVATE int sqlite3PagerMovepage(Pager *pPager, DbPage *pPg, Pgno pgno, i assert( pPager->needSync ); rc = sqlite3PagerGet(pPager, needSyncPgno, &pPgHdr); if( rc!=SQLITE_OK ){ - if( pPager->pInJournal && needSyncPgno<=pPager->dbOrigSize ){ + if( needSyncPgno<=pPager->dbOrigSize ){ assert( pPager->pTmpSpace!=0 ); sqlite3BitvecClear(pPager->pInJournal, needSyncPgno, pPager->pTmpSpace); } @@ -35725,7 +35756,10 @@ SQLITE_PRIVATE int sqlite3PagerMovepage(Pager *pPager, DbPage *pPg, Pgno pgno, i if( MEMDB ){ DbPage *pNew; rc = sqlite3PagerAcquire(pPager, origPgno, &pNew, 1); - if( rc!=SQLITE_OK ) return rc; + if( rc!=SQLITE_OK ){ + sqlite3PcacheMove(pPg, origPgno); + return rc; + } sqlite3PagerUnref(pNew); } @@ -35746,8 +35780,7 @@ SQLITE_PRIVATE void *sqlite3PagerGetData(DbPage *pPg){ ** allocated along with the specified page. */ SQLITE_PRIVATE void *sqlite3PagerGetExtra(DbPage *pPg){ - Pager *pPager = pPg->pPager; - return (pPager?pPg->pExtra:0); + return pPg->pExtra; } /* @@ -36166,6 +36199,24 @@ struct MemPage { */ #define EXTRA_SIZE sizeof(MemPage) +/* +** A linked list of the following structures is stored at BtShared.pLock. +** Locks are added (or upgraded from READ_LOCK to WRITE_LOCK) when a cursor +** is opened on the table with root page BtShared.iTable. Locks are removed +** from this list when a transaction is committed or rolled back, or when +** a btree handle is closed. +*/ +struct BtLock { + Btree *pBtree; /* Btree handle holding this lock */ + Pgno iTable; /* Root page of table */ + u8 eLock; /* READ_LOCK or WRITE_LOCK */ + BtLock *pNext; /* Next in BtShared.pLock list */ +}; + +/* Candidate values for BtLock.eLock */ +#define READ_LOCK 1 +#define WRITE_LOCK 2 + /* A Btree handle ** ** A database connection contains a pointer to an instance of @@ -36197,6 +36248,9 @@ struct Btree { int nBackup; /* Number of backup operations reading this btree */ Btree *pNext; /* List of other sharable Btrees from the same db */ Btree *pPrev; /* Back pointer of the same list */ +#ifndef SQLITE_OMIT_SHARED_CACHE + BtLock lock; /* Object used to lock page 1 */ +#endif }; /* @@ -36335,7 +36389,7 @@ struct BtCursor { u8 eState; /* One of the CURSOR_XXX constants (see below) */ void *pKey; /* Saved key that was cursor's last known position */ i64 nKey; /* Size of pKey, or last integer key */ - int skip; /* (skip<0) -> Prev() is a no-op. (skip>0) -> Next() is */ + int skipNext; /* Prev() is noop if negative. Next() is noop if positive */ #ifndef SQLITE_OMIT_INCRBLOB u8 isIncrblobHandle; /* True if this cursor is an incr. io handle */ Pgno *aOverflow; /* Cache of overflow page locations */ @@ -36381,24 +36435,6 @@ struct BtCursor { # define PENDING_BYTE_PAGE(pBt) PAGER_MJ_PGNO(pBt) /* -** A linked list of the following structures is stored at BtShared.pLock. -** Locks are added (or upgraded from READ_LOCK to WRITE_LOCK) when a cursor -** is opened on the table with root page BtShared.iTable. Locks are removed -** from this list when a transaction is committed or rolled back, or when -** a btree handle is closed. -*/ -struct BtLock { - Btree *pBtree; /* Btree handle holding this lock */ - Pgno iTable; /* Root page of table */ - u8 eLock; /* READ_LOCK or WRITE_LOCK */ - BtLock *pNext; /* Next in BtShared.pLock list */ -}; - -/* Candidate values for BtLock.eLock */ -#define READ_LOCK 1 -#define WRITE_LOCK 2 - -/* ** These macros define the location of the pointer-map entry for a ** database page. The first argument to each is the number of usable ** bytes on each page of the database (often 1024). The second is the @@ -36500,21 +36536,6 @@ struct IntegrityCk { #define get4byte sqlite3Get4byte #define put4byte sqlite3Put4byte -/* -** Internal routines that should be accessed by the btree layer only. -*/ -SQLITE_PRIVATE int sqlite3BtreeGetPage(BtShared*, Pgno, MemPage**, int); -SQLITE_PRIVATE int sqlite3BtreeInitPage(MemPage *pPage); -SQLITE_PRIVATE void sqlite3BtreeParseCellPtr(MemPage*, u8*, CellInfo*); -SQLITE_PRIVATE void sqlite3BtreeParseCell(MemPage*, int, CellInfo*); -SQLITE_PRIVATE int sqlite3BtreeRestoreCursorPosition(BtCursor *pCur); -SQLITE_PRIVATE void sqlite3BtreeMoveToParent(BtCursor *pCur); - -#ifdef SQLITE_TEST -SQLITE_PRIVATE void sqlite3BtreeGetTempCursor(BtCursor *pCur, BtCursor *pTempCur); -SQLITE_PRIVATE void sqlite3BtreeReleaseTempCursor(BtCursor *pCur); -#endif - /************** End of btreeInt.h ********************************************/ /************** Continuing where we left off in btmutex.c ********************/ #ifndef SQLITE_OMIT_SHARED_CACHE @@ -36696,7 +36717,9 @@ SQLITE_PRIVATE void sqlite3BtreeEnterAll(sqlite3 *db){ if( !p->locked ){ assert( p->wantToLock==1 ); while( p->pPrev ) p = p->pPrev; - while( p->locked && p->pNext ) p = p->pNext; + /* Reason for ALWAYS: There must be at least on unlocked Btree in + ** the chain. Otherwise the !p->locked test above would have failed */ + while( p->locked && ALWAYS(p->pNext) ) p = p->pNext; for(pLater = p->pNext; pLater; pLater=pLater->pNext){ if( pLater->locked ){ unlockBtreeMutex(pLater); @@ -36807,8 +36830,12 @@ SQLITE_PRIVATE void sqlite3BtreeMutexArrayEnter(BtreeMutexArray *pArray){ /* We should already hold a lock on the database connection */ assert( sqlite3_mutex_held(p->db->mutex) ); + /* The Btree is sharable because only sharable Btrees are entered + ** into the array in the first place. */ + assert( p->sharable ); + p->wantToLock++; - if( !p->locked && p->sharable ){ + if( !p->locked ){ lockBtreeMutex(p); } } @@ -36823,14 +36850,14 @@ SQLITE_PRIVATE void sqlite3BtreeMutexArrayLeave(BtreeMutexArray *pArray){ Btree *p = pArray->aBtree[i]; /* Some basic sanity checking */ assert( i==0 || pArray->aBtree[i-1]->pBt<p->pBt ); - assert( p->locked || !p->sharable ); + assert( p->locked ); assert( p->wantToLock>0 ); /* We should already hold a lock on the database connection */ assert( sqlite3_mutex_held(p->db->mutex) ); p->wantToLock--; - if( p->wantToLock==0 && p->locked ){ + if( p->wantToLock==0 ){ unlockBtreeMutex(p); } } @@ -36922,11 +36949,6 @@ SQLITE_API int sqlite3_enable_shared_cache(int enable){ #endif -/* -** Forward declaration -*/ -static int checkForReadConflicts(Btree*, Pgno, BtCursor*, i64); - #ifdef SQLITE_OMIT_SHARED_CACHE /* @@ -36941,9 +36963,114 @@ static int checkForReadConflicts(Btree*, Pgno, BtCursor*, i64); #define querySharedCacheTableLock(a,b,c) SQLITE_OK #define setSharedCacheTableLock(a,b,c) SQLITE_OK #define clearAllSharedCacheTableLocks(a) + #define downgradeAllSharedCacheTableLocks(a) + #define hasSharedCacheTableLock(a,b,c,d) 1 + #define hasReadConflicts(a, b) 0 #endif #ifndef SQLITE_OMIT_SHARED_CACHE + +#ifdef SQLITE_DEBUG +/* +** This function is only used as part of an assert() statement. It checks +** that connection p holds the required locks to read or write to the +** b-tree with root page iRoot. If so, true is returned. Otherwise, false. +** For example, when writing to a table b-tree with root-page iRoot via +** Btree connection pBtree: +** +** assert( hasSharedCacheTableLock(pBtree, iRoot, 0, WRITE_LOCK) ); +** +** When writing to an index b-tree that resides in a sharable database, the +** caller should have first obtained a lock specifying the root page of +** the corresponding table b-tree. This makes things a bit more complicated, +** as this module treats each b-tree as a separate structure. To determine +** the table b-tree corresponding to the index b-tree being written, this +** function has to search through the database schema. +** +** Instead of a lock on the b-tree rooted at page iRoot, the caller may +** hold a write-lock on the schema table (root page 1). This is also +** acceptable. +*/ +static int hasSharedCacheTableLock( + Btree *pBtree, /* Handle that must hold lock */ + Pgno iRoot, /* Root page of b-tree */ + int isIndex, /* True if iRoot is the root of an index b-tree */ + int eLockType /* Required lock type (READ_LOCK or WRITE_LOCK) */ +){ + Schema *pSchema = (Schema *)pBtree->pBt->pSchema; + Pgno iTab = 0; + BtLock *pLock; + + /* If this b-tree database is not shareable, or if the client is reading + ** and has the read-uncommitted flag set, then no lock is required. + ** In these cases return true immediately. If the client is reading + ** or writing an index b-tree, but the schema is not loaded, then return + ** true also. In this case the lock is required, but it is too difficult + ** to check if the client actually holds it. This doesn't happen very + ** often. */ + if( (pBtree->sharable==0) + || (eLockType==READ_LOCK && (pBtree->db->flags & SQLITE_ReadUncommitted)) + || (isIndex && (!pSchema || (pSchema->flags&DB_SchemaLoaded)==0 )) + ){ + return 1; + } + + /* Figure out the root-page that the lock should be held on. For table + ** b-trees, this is just the root page of the b-tree being read or + ** written. For index b-trees, it is the root page of the associated + ** table. */ + if( isIndex ){ + HashElem *p; + for(p=sqliteHashFirst(&pSchema->idxHash); p; p=sqliteHashNext(p)){ + Index *pIdx = (Index *)sqliteHashData(p); + if( pIdx->tnum==(int)iRoot ){ + iTab = pIdx->pTable->tnum; + } + } + }else{ + iTab = iRoot; + } + + /* Search for the required lock. Either a write-lock on root-page iTab, a + ** write-lock on the schema table, or (if the client is reading) a + ** read-lock on iTab will suffice. Return 1 if any of these are found. */ + for(pLock=pBtree->pBt->pLock; pLock; pLock=pLock->pNext){ + if( pLock->pBtree==pBtree + && (pLock->iTable==iTab || (pLock->eLock==WRITE_LOCK && pLock->iTable==1)) + && pLock->eLock>=eLockType + ){ + return 1; + } + } + + /* Failed to find the required lock. */ + return 0; +} + +/* +** This function is also used as part of assert() statements only. It +** returns true if there exist one or more cursors open on the table +** with root page iRoot that do not belong to either connection pBtree +** or some other connection that has the read-uncommitted flag set. +** +** For example, before writing to page iRoot: +** +** assert( !hasReadConflicts(pBtree, iRoot) ); +*/ +static int hasReadConflicts(Btree *pBtree, Pgno iRoot){ + BtCursor *p; + for(p=pBtree->pBt->pCursor; p; p=p->pNext){ + if( p->pgnoRoot==iRoot + && p->pBtree!=pBtree + && 0==(p->pBtree->db->flags & SQLITE_ReadUncommitted) + ){ + return 1; + } + } + return 0; +} +#endif /* #ifdef SQLITE_DEBUG */ + /* ** Query to see if btree handle p may obtain a lock of type eLock ** (READ_LOCK or WRITE_LOCK) on the table with root-page iTab. Return @@ -36957,6 +37084,7 @@ static int querySharedCacheTableLock(Btree *p, Pgno iTab, u8 eLock){ assert( sqlite3BtreeHoldsMutex(p) ); assert( eLock==READ_LOCK || eLock==WRITE_LOCK ); assert( p->db!=0 ); + assert( !(p->db->flags&SQLITE_ReadUncommitted)||eLock==WRITE_LOCK||iTab==1 ); /* If requesting a write-lock, then the Btree must have an open write ** transaction on this file. And, obviously, for this to be so there @@ -36978,47 +37106,25 @@ static int querySharedCacheTableLock(Btree *p, Pgno iTab, u8 eLock){ return SQLITE_LOCKED_SHAREDCACHE; } - /* This (along with setSharedCacheTableLock()) is where - ** the ReadUncommitted flag is dealt with. - ** If the caller is querying for a read-lock on any table - ** other than the sqlite_master table (table 1) and if the ReadUncommitted - ** flag is set, then the lock granted even if there are write-locks - ** on the table. If a write-lock is requested, the ReadUncommitted flag - ** is not considered. - ** - ** In function setSharedCacheTableLock(), if a read-lock is demanded and the - ** ReadUncommitted flag is set, no entry is added to the locks list - ** (BtShared.pLock). - ** - ** To summarize: If the ReadUncommitted flag is set, then read cursors - ** on non-schema tables do not create or respect table locks. The locking - ** procedure for a write-cursor does not change. - */ - if( - 0==(p->db->flags&SQLITE_ReadUncommitted) || - eLock==WRITE_LOCK || - iTab==MASTER_ROOT - ){ - for(pIter=pBt->pLock; pIter; pIter=pIter->pNext){ - /* The condition (pIter->eLock!=eLock) in the following if(...) - ** statement is a simplification of: - ** - ** (eLock==WRITE_LOCK || pIter->eLock==WRITE_LOCK) - ** - ** since we know that if eLock==WRITE_LOCK, then no other connection - ** may hold a WRITE_LOCK on any table in this file (since there can - ** only be a single writer). - */ - assert( pIter->eLock==READ_LOCK || pIter->eLock==WRITE_LOCK ); - assert( eLock==READ_LOCK || pIter->pBtree==p || pIter->eLock==READ_LOCK); - if( pIter->pBtree!=p && pIter->iTable==iTab && pIter->eLock!=eLock ){ - sqlite3ConnectionBlocked(p->db, pIter->pBtree->db); - if( eLock==WRITE_LOCK ){ - assert( p==pBt->pWriter ); - pBt->isPending = 1; - } - return SQLITE_LOCKED_SHAREDCACHE; + for(pIter=pBt->pLock; pIter; pIter=pIter->pNext){ + /* The condition (pIter->eLock!=eLock) in the following if(...) + ** statement is a simplification of: + ** + ** (eLock==WRITE_LOCK || pIter->eLock==WRITE_LOCK) + ** + ** since we know that if eLock==WRITE_LOCK, then no other connection + ** may hold a WRITE_LOCK on any table in this file (since there can + ** only be a single writer). + */ + assert( pIter->eLock==READ_LOCK || pIter->eLock==WRITE_LOCK ); + assert( eLock==READ_LOCK || pIter->pBtree==p || pIter->eLock==READ_LOCK); + if( pIter->pBtree!=p && pIter->iTable==iTab && pIter->eLock!=eLock ){ + sqlite3ConnectionBlocked(p->db, pIter->pBtree->db); + if( eLock==WRITE_LOCK ){ + assert( p==pBt->pWriter ); + pBt->isPending = 1; } + return SQLITE_LOCKED_SHAREDCACHE; } } return SQLITE_OK; @@ -37031,8 +37137,17 @@ static int querySharedCacheTableLock(Btree *p, Pgno iTab, u8 eLock){ ** by Btree handle p. Parameter eLock must be either READ_LOCK or ** WRITE_LOCK. ** -** SQLITE_OK is returned if the lock is added successfully. SQLITE_BUSY and -** SQLITE_NOMEM may also be returned. +** This function assumes the following: +** +** (a) The specified b-tree connection handle is connected to a sharable +** b-tree database (one with the BtShared.sharable) flag set, and +** +** (b) No other b-tree connection handle holds a lock that conflicts +** with the requested lock (i.e. querySharedCacheTableLock() has +** already been called and returned SQLITE_OK). +** +** SQLITE_OK is returned if the lock is added successfully. SQLITE_NOMEM +** is returned if a malloc attempt fails. */ static int setSharedCacheTableLock(Btree *p, Pgno iTable, u8 eLock){ BtShared *pBt = p->pBt; @@ -37043,27 +37158,17 @@ static int setSharedCacheTableLock(Btree *p, Pgno iTable, u8 eLock){ assert( eLock==READ_LOCK || eLock==WRITE_LOCK ); assert( p->db!=0 ); - /* This is a no-op if the shared-cache is not enabled */ - if( !p->sharable ){ - return SQLITE_OK; - } + /* A connection with the read-uncommitted flag set will never try to + ** obtain a read-lock using this function. The only read-lock obtained + ** by a connection in read-uncommitted mode is on the sqlite_master + ** table, and that lock is obtained in BtreeBeginTrans(). */ + assert( 0==(p->db->flags&SQLITE_ReadUncommitted) || eLock==WRITE_LOCK ); + /* This function should only be called on a sharable b-tree after it + ** has been determined that no other b-tree holds a conflicting lock. */ + assert( p->sharable ); assert( SQLITE_OK==querySharedCacheTableLock(p, iTable, eLock) ); - /* If the read-uncommitted flag is set and a read-lock is requested on - ** a non-schema table, then the lock is always granted. Return early - ** without adding an entry to the BtShared.pLock list. See - ** comment in function querySharedCacheTableLock() for more info - ** on handling the ReadUncommitted flag. - */ - if( - (p->db->flags&SQLITE_ReadUncommitted) && - (eLock==READ_LOCK) && - iTable!=MASTER_ROOT - ){ - return SQLITE_OK; - } - /* First search the list for an existing lock on this table. */ for(pIter=pBt->pLock; pIter; pIter=pIter->pNext){ if( pIter->iTable==iTable && pIter->pBtree==p ){ @@ -37122,7 +37227,10 @@ static void clearAllSharedCacheTableLocks(Btree *p){ assert( pLock->pBtree->inTrans>=pLock->eLock ); if( pLock->pBtree==p ){ *ppIter = pLock->pNext; - sqlite3_free(pLock); + assert( pLock->iTable!=1 || pLock==&p->lock ); + if( pLock->iTable!=1 ){ + sqlite3_free(pLock); + } }else{ ppIter = &pLock->pNext; } @@ -37146,6 +37254,24 @@ static void clearAllSharedCacheTableLocks(Btree *p){ pBt->isPending = 0; } } + +/* +** This function changes all write-locks held by connection p to read-locks. +*/ +static void downgradeAllSharedCacheTableLocks(Btree *p){ + BtShared *pBt = p->pBt; + if( pBt->pWriter==p ){ + BtLock *pLock; + pBt->pWriter = 0; + pBt->isExclusive = 0; + pBt->isPending = 0; + for(pLock=pBt->pLock; pLock; pLock=pLock->pNext){ + assert( pLock->eLock==READ_LOCK || pLock->pBtree==p ); + pLock->eLock = READ_LOCK; + } + } +} + #endif /* SQLITE_OMIT_SHARED_CACHE */ static void releasePage(MemPage *pPage); /* Forward reference */ @@ -37181,9 +37307,39 @@ static void invalidateAllOverflowCache(BtShared *pBt){ invalidateOverflowCache(p); } } + +/* +** This function is called before modifying the contents of a table +** b-tree to invalidate any incrblob cursors that are open on the +** row or one of the rows being modified. +** +** If argument isClearTable is true, then the entire contents of the +** table is about to be deleted. In this case invalidate all incrblob +** cursors open on any row within the table with root-page pgnoRoot. +** +** Otherwise, if argument isClearTable is false, then the row with +** rowid iRow is being replaced or deleted. In this case invalidate +** only those incrblob cursors open on this specific row. +*/ +static void invalidateIncrblobCursors( + Btree *pBtree, /* The database file to check */ + i64 iRow, /* The rowid that might be changing */ + int isClearTable /* True if all rows are being deleted */ +){ + BtCursor *p; + BtShared *pBt = pBtree->pBt; + assert( sqlite3BtreeHoldsMutex(pBtree) ); + for(p=pBt->pCursor; p; p=p->pNext){ + if( p->isIncrblobHandle && (isClearTable || p->info.nKey==iRow) ){ + p->eState = CURSOR_INVALID; + } + } +} + #else #define invalidateOverflowCache(x) #define invalidateAllOverflowCache(x) + #define invalidateIncrblobCursors(x,y,z) #endif /* @@ -37224,13 +37380,13 @@ static void invalidateAllOverflowCache(BtShared *pBt){ static int btreeSetHasContent(BtShared *pBt, Pgno pgno){ int rc = SQLITE_OK; if( !pBt->pHasContent ){ - int nPage; - rc = sqlite3PagerPagecount(pBt->pPager, &nPage); - if( rc==SQLITE_OK ){ - pBt->pHasContent = sqlite3BitvecCreate((u32)nPage); - if( !pBt->pHasContent ){ - rc = SQLITE_NOMEM; - } + int nPage = 100; + sqlite3PagerPagecount(pBt->pPager, &nPage); + /* If sqlite3PagerPagecount() fails there is no harm because the + ** nPage variable is unchanged from its default value of 100 */ + pBt->pHasContent = sqlite3BitvecCreate((u32)nPage); + if( !pBt->pHasContent ){ + rc = SQLITE_NOMEM; } } if( rc==SQLITE_OK && pgno<=sqlite3BitvecSize(pBt->pHasContent) ){ @@ -37263,6 +37419,9 @@ static void btreeClearHasContent(BtShared *pBt){ /* ** Save the current cursor position in the variables BtCursor.nKey ** and BtCursor.pKey. The cursor's state is set to CURSOR_REQUIRESEEK. +** +** The caller must ensure that the cursor is valid (has eState==CURSOR_VALID) +** prior to calling this routine. */ static int saveCursorPosition(BtCursor *pCur){ int rc; @@ -37272,6 +37431,7 @@ static int saveCursorPosition(BtCursor *pCur){ assert( cursorHoldsMutex(pCur) ); rc = sqlite3BtreeKeySize(pCur, &pCur->nKey); + assert( rc==SQLITE_OK ); /* KeySize() cannot fail */ /* If this is an intKey table, then the above call to BtreeKeySize() ** stores the integer key in pCur->nKey. In this case this value is @@ -37279,7 +37439,7 @@ static int saveCursorPosition(BtCursor *pCur){ ** table, then malloc space for and store the pCur->nKey bytes of key ** data. */ - if( rc==SQLITE_OK && 0==pCur->apPage[0]->intKey){ + if( 0==pCur->apPage[0]->intKey ){ void *pKey = sqlite3Malloc( (int)pCur->nKey ); if( pKey ){ rc = sqlite3BtreeKey(pCur, 0, (int)pCur->nKey, pKey); @@ -37340,21 +37500,52 @@ SQLITE_PRIVATE void sqlite3BtreeClearCursor(BtCursor *pCur){ } /* +** In this version of BtreeMoveto, pKey is a packed index record +** such as is generated by the OP_MakeRecord opcode. Unpack the +** record and then call BtreeMovetoUnpacked() to do the work. +*/ +static int btreeMoveto( + BtCursor *pCur, /* Cursor open on the btree to be searched */ + const void *pKey, /* Packed key if the btree is an index */ + i64 nKey, /* Integer key for tables. Size of pKey for indices */ + int bias, /* Bias search to the high end */ + int *pRes /* Write search results here */ +){ + int rc; /* Status code */ + UnpackedRecord *pIdxKey; /* Unpacked index key */ + char aSpace[150]; /* Temp space for pIdxKey - to avoid a malloc */ + + if( pKey ){ + assert( nKey==(i64)(int)nKey ); + pIdxKey = sqlite3VdbeRecordUnpack(pCur->pKeyInfo, (int)nKey, pKey, + aSpace, sizeof(aSpace)); + if( pIdxKey==0 ) return SQLITE_NOMEM; + }else{ + pIdxKey = 0; + } + rc = sqlite3BtreeMovetoUnpacked(pCur, pIdxKey, nKey, bias, pRes); + if( pKey ){ + sqlite3VdbeDeleteUnpackedRecord(pIdxKey); + } + return rc; +} + +/* ** Restore the cursor to the position it was in (or as close to as possible) ** when saveCursorPosition() was called. Note that this call deletes the ** saved position info stored by saveCursorPosition(), so there can be ** at most one effective restoreCursorPosition() call after each ** saveCursorPosition(). */ -SQLITE_PRIVATE int sqlite3BtreeRestoreCursorPosition(BtCursor *pCur){ +static int btreeRestoreCursorPosition(BtCursor *pCur){ int rc; assert( cursorHoldsMutex(pCur) ); assert( pCur->eState>=CURSOR_REQUIRESEEK ); if( pCur->eState==CURSOR_FAULT ){ - return pCur->skip; + return pCur->skipNext; } pCur->eState = CURSOR_INVALID; - rc = sqlite3BtreeMoveto(pCur, pCur->pKey, pCur->nKey, 0, &pCur->skip); + rc = btreeMoveto(pCur, pCur->pKey, pCur->nKey, 0, &pCur->skipNext); if( rc==SQLITE_OK ){ sqlite3_free(pCur->pKey); pCur->pKey = 0; @@ -37365,7 +37556,7 @@ SQLITE_PRIVATE int sqlite3BtreeRestoreCursorPosition(BtCursor *pCur){ #define restoreCursorPosition(p) \ (p->eState>=CURSOR_REQUIRESEEK ? \ - sqlite3BtreeRestoreCursorPosition(p) : \ + btreeRestoreCursorPosition(p) : \ SQLITE_OK) /* @@ -37384,7 +37575,7 @@ SQLITE_PRIVATE int sqlite3BtreeCursorHasMoved(BtCursor *pCur, int *pHasMoved){ *pHasMoved = 1; return rc; } - if( pCur->eState!=CURSOR_VALID || pCur->skip!=0 ){ + if( pCur->eState!=CURSOR_VALID || pCur->skipNext!=0 ){ *pHasMoved = 1; }else{ *pHasMoved = 0; @@ -37416,14 +37607,19 @@ static Pgno ptrmapPageno(BtShared *pBt, Pgno pgno){ ** ** This routine updates the pointer map entry for page number 'key' ** so that it maps to type 'eType' and parent page number 'pgno'. -** An error code is returned if something goes wrong, otherwise SQLITE_OK. +** +** If *pRC is initially non-zero (non-SQLITE_OK) then this routine is +** a no-op. If an error occurs, the appropriate error code is written +** into *pRC. */ -static int ptrmapPut(BtShared *pBt, Pgno key, u8 eType, Pgno parent){ +static void ptrmapPut(BtShared *pBt, Pgno key, u8 eType, Pgno parent, int *pRC){ DbPage *pDbPage; /* The pointer map page */ u8 *pPtrmap; /* The pointer map data */ Pgno iPtrmap; /* The pointer map page number */ int offset; /* Offset in pointer map page */ - int rc; + int rc; /* Return code from subfunctions */ + + if( *pRC ) return; assert( sqlite3_mutex_held(pBt->mutex) ); /* The master-journal page number must never be used as a pointer map page */ @@ -37431,30 +37627,33 @@ static int ptrmapPut(BtShared *pBt, Pgno key, u8 eType, Pgno parent){ assert( pBt->autoVacuum ); if( key==0 ){ - return SQLITE_CORRUPT_BKPT; + *pRC = SQLITE_CORRUPT_BKPT; + return; } iPtrmap = PTRMAP_PAGENO(pBt, key); rc = sqlite3PagerGet(pBt->pPager, iPtrmap, &pDbPage); if( rc!=SQLITE_OK ){ - return rc; + *pRC = rc; + return; } offset = PTRMAP_PTROFFSET(iPtrmap, key); if( offset<0 ){ - return SQLITE_CORRUPT_BKPT; + *pRC = SQLITE_CORRUPT_BKPT; + goto ptrmap_exit; } pPtrmap = (u8 *)sqlite3PagerGetData(pDbPage); if( eType!=pPtrmap[offset] || get4byte(&pPtrmap[offset+1])!=parent ){ TRACE(("PTRMAP_UPDATE: %d->(%d,%d)\n", key, eType, parent)); - rc = sqlite3PagerWrite(pDbPage); + *pRC= rc = sqlite3PagerWrite(pDbPage); if( rc==SQLITE_OK ){ pPtrmap[offset] = eType; put4byte(&pPtrmap[offset+1], parent); } } +ptrmap_exit: sqlite3PagerUnref(pDbPage); - return rc; } /* @@ -37491,8 +37690,9 @@ static int ptrmapGet(BtShared *pBt, Pgno key, u8 *pEType, Pgno *pPgno){ } #else /* if defined SQLITE_OMIT_AUTOVACUUM */ - #define ptrmapPut(w,x,y,z) SQLITE_OK + #define ptrmapPut(w,x,y,z,rc) #define ptrmapGet(w,x,y,z) SQLITE_OK + #define ptrmapPutOvflPtr(x, y, rc) #endif /* @@ -37507,7 +37707,7 @@ static int ptrmapGet(BtShared *pBt, Pgno key, u8 *pEType, Pgno *pPgno){ /* ** This a more complex version of findCell() that works for -** pages that do contain overflow cells. See insert +** pages that do contain overflow cells. */ static u8 *findOverflowCell(MemPage *pPage, int iCell){ int i; @@ -37529,14 +37729,14 @@ static u8 *findOverflowCell(MemPage *pPage, int iCell){ /* ** Parse a cell content block and fill in the CellInfo structure. There -** are two versions of this function. sqlite3BtreeParseCell() takes a -** cell index as the second argument and sqlite3BtreeParseCellPtr() +** are two versions of this function. btreeParseCell() takes a +** cell index as the second argument and btreeParseCellPtr() ** takes a pointer to the body of the cell as its second argument. ** ** Within this file, the parseCell() macro can be called instead of -** sqlite3BtreeParseCellPtr(). Using some compilers, this will be faster. +** btreeParseCellPtr(). Using some compilers, this will be faster. */ -SQLITE_PRIVATE void sqlite3BtreeParseCellPtr( +static void btreeParseCellPtr( MemPage *pPage, /* Page containing the cell */ u8 *pCell, /* Pointer to the cell text. */ CellInfo *pInfo /* Fill in this structure */ @@ -37565,6 +37765,8 @@ SQLITE_PRIVATE void sqlite3BtreeParseCellPtr( } pInfo->nPayload = nPayload; pInfo->nHeader = n; + testcase( nPayload==pPage->maxLocal ); + testcase( nPayload==pPage->maxLocal+1 ); if( likely(nPayload<=pPage->maxLocal) ){ /* This is the (easy) common case where the entire payload fits ** on the local page. No overflow is required. @@ -37594,6 +37796,8 @@ SQLITE_PRIVATE void sqlite3BtreeParseCellPtr( minLocal = pPage->minLocal; maxLocal = pPage->maxLocal; surplus = minLocal + (nPayload - minLocal)%(pPage->pBt->usableSize - 4); + testcase( surplus==maxLocal ); + testcase( surplus==maxLocal+1 ); if( surplus <= maxLocal ){ pInfo->nLocal = (u16)surplus; }else{ @@ -37604,8 +37808,8 @@ SQLITE_PRIVATE void sqlite3BtreeParseCellPtr( } } #define parseCell(pPage, iCell, pInfo) \ - sqlite3BtreeParseCellPtr((pPage), findCell((pPage), (iCell)), (pInfo)) -SQLITE_PRIVATE void sqlite3BtreeParseCell( + btreeParseCellPtr((pPage), findCell((pPage), (iCell)), (pInfo)) +static void btreeParseCell( MemPage *pPage, /* Page containing the cell */ int iCell, /* The cell index. First cell is 0 */ CellInfo *pInfo /* Fill in this structure */ @@ -37629,7 +37833,7 @@ static u16 cellSizePtr(MemPage *pPage, u8 *pCell){ ** cell. If SQLITE_DEBUG is defined, an assert() at the bottom of ** this function verifies that this invariant is not violated. */ CellInfo debuginfo; - sqlite3BtreeParseCellPtr(pPage, pCell, &debuginfo); + btreeParseCellPtr(pPage, pCell, &debuginfo); #endif if( pPage->intKey ){ @@ -37649,9 +37853,13 @@ static u16 cellSizePtr(MemPage *pPage, u8 *pCell){ pIter += getVarint32(pIter, nSize); } + testcase( nSize==pPage->maxLocal ); + testcase( nSize==pPage->maxLocal+1 ); if( nSize>pPage->maxLocal ){ int minLocal = pPage->minLocal; nSize = minLocal + (nSize - minLocal) % (pPage->pBt->usableSize - 4); + testcase( nSize==pPage->maxLocal ); + testcase( nSize==pPage->maxLocal+1 ); if( nSize>pPage->maxLocal ){ nSize = minLocal; } @@ -37679,16 +37887,16 @@ static u16 cellSize(MemPage *pPage, int iCell){ ** to an overflow page, insert an entry into the pointer-map ** for the overflow page. */ -static int ptrmapPutOvflPtr(MemPage *pPage, u8 *pCell){ +static void ptrmapPutOvflPtr(MemPage *pPage, u8 *pCell, int *pRC){ CellInfo info; + if( *pRC ) return; assert( pCell!=0 ); - sqlite3BtreeParseCellPtr(pPage, pCell, &info); + btreeParseCellPtr(pPage, pCell, &info); assert( (info.nData+(pPage->intKey?0:info.nKey))==info.nPayload ); if( info.iOverflow ){ Pgno ovfl = get4byte(&pCell[info.iOverflow]); - return ptrmapPut(pPage->pBt, ovfl, PTRMAP_OVERFLOW1, pPage->pgno); + ptrmapPut(pPage->pBt, ovfl, PTRMAP_OVERFLOW1, pPage->pgno, pRC); } - return SQLITE_OK; } #endif @@ -37702,7 +37910,6 @@ static int ptrmapPutOvflPtr(MemPage *pPage, u8 *pCell){ static int defragmentPage(MemPage *pPage){ int i; /* Loop counter */ int pc; /* Address of a i-th cell */ - int addr; /* Offset of first byte after cell pointer array */ int hdr; /* Offset to the page header */ int size; /* Size of a cell */ int usableSize; /* Number of usable bytes on a page */ @@ -37711,6 +37918,9 @@ static int defragmentPage(MemPage *pPage){ int nCell; /* Number of cells on the page */ unsigned char *data; /* The page data */ unsigned char *temp; /* Temp area for cell content */ + int iCellFirst; /* First allowable cell index */ + int iCellLast; /* Last possible cell index */ + assert( sqlite3PagerIswriteable(pPage->pDbPage) ); assert( pPage->pBt!=0 ); @@ -37727,31 +37937,48 @@ static int defragmentPage(MemPage *pPage){ cbrk = get2byte(&data[hdr+5]); memcpy(&temp[cbrk], &data[cbrk], usableSize - cbrk); cbrk = usableSize; + iCellFirst = cellOffset + 2*nCell; + iCellLast = usableSize - 4; for(i=0; i<nCell; i++){ u8 *pAddr; /* The i-th cell pointer */ pAddr = &data[cellOffset + i*2]; pc = get2byte(pAddr); - if( pc>=usableSize ){ + testcase( pc==iCellFirst ); + testcase( pc==iCellLast ); +#if !defined(SQLITE_ENABLE_OVERSIZE_CELL_CHECK) + /* These conditions have already been verified in btreeInitPage() + ** if SQLITE_ENABLE_OVERSIZE_CELL_CHECK is defined + */ + if( pc<iCellFirst || pc>iCellLast ){ return SQLITE_CORRUPT_BKPT; } +#endif + assert( pc>=iCellFirst && pc<=iCellLast ); size = cellSizePtr(pPage, &temp[pc]); cbrk -= size; - if( cbrk<cellOffset+2*nCell || pc+size>usableSize ){ +#if defined(SQLITE_ENABLE_OVERSIZE_CELL_CHECK) + if( cbrk<iCellFirst ){ + return SQLITE_CORRUPT_BKPT; + } +#else + if( cbrk<iCellFirst || pc+size>usableSize ){ return SQLITE_CORRUPT_BKPT; } - assert( cbrk+size<=usableSize && cbrk>=0 ); +#endif + assert( cbrk+size<=usableSize && cbrk>=iCellFirst ); + testcase( cbrk+size==usableSize ); + testcase( pc+size==usableSize ); memcpy(&data[cbrk], &temp[pc], size); put2byte(pAddr, cbrk); } - assert( cbrk>=cellOffset+2*nCell ); + assert( cbrk>=iCellFirst ); put2byte(&data[hdr+5], cbrk); data[hdr+1] = 0; data[hdr+2] = 0; data[hdr+7] = 0; - addr = cellOffset+2*nCell; - memset(&data[addr], 0, cbrk-addr); + memset(&data[iCellFirst], 0, cbrk-iCellFirst); assert( sqlite3PagerIswriteable(pPage->pDbPage) ); - if( cbrk-addr!=pPage->nFree ){ + if( cbrk-iCellFirst!=pPage->nFree ){ return SQLITE_CORRUPT_BKPT; } return SQLITE_OK; @@ -37759,24 +37986,24 @@ static int defragmentPage(MemPage *pPage){ /* ** Allocate nByte bytes of space from within the B-Tree page passed -** as the first argument. Return the index into pPage->aData[] of the -** first byte of allocated space. -** -** The caller guarantees that the space between the end of the cell-offset -** array and the start of the cell-content area is at least nByte bytes -** in size. So this routine can never fail. -** -** If there are already 60 or more bytes of fragments within the page, -** the page is defragmented before returning. If this were not done there -** is a chance that the number of fragmented bytes could eventually -** overflow the single-byte field of the page-header in which this value -** is stored. -*/ -static int allocateSpace(MemPage *pPage, int nByte){ +** as the first argument. Write into *pIdx the index into pPage->aData[] +** of the first byte of allocated space. Return either SQLITE_OK or +** an error code (usually SQLITE_CORRUPT). +** +** The caller guarantees that there is sufficient space to make the +** allocation. This routine might need to defragment in order to bring +** all the space together, however. This routine will avoid using +** the first two bytes past the cell pointer area since presumably this +** allocation is being made in order to insert a new cell, so we will +** also end up needing a new cell pointer. +*/ +static int allocateSpace(MemPage *pPage, int nByte, int *pIdx){ const int hdr = pPage->hdrOffset; /* Local cache of pPage->hdrOffset */ u8 * const data = pPage->aData; /* Local cache of pPage->aData */ int nFrag; /* Number of fragmented bytes on pPage */ - int top; + int top; /* First byte of cell content area */ + int gap; /* First byte of gap between cell pointers and cell content */ + int rc; /* Integer return code */ assert( sqlite3PagerIswriteable(pPage->pDbPage) ); assert( pPage->pBt ); @@ -37784,18 +38011,23 @@ static int allocateSpace(MemPage *pPage, int nByte){ assert( nByte>=0 ); /* Minimum cell size is 4 */ assert( pPage->nFree>=nByte ); assert( pPage->nOverflow==0 ); - - /* Assert that the space between the cell-offset array and the - ** cell-content area is greater than nByte bytes. - */ - assert( nByte <= ( - get2byte(&data[hdr+5])-(hdr+8+(pPage->leaf?0:4)+2*get2byte(&data[hdr+3])) - )); + assert( nByte<pPage->pBt->usableSize-8 ); nFrag = data[hdr+7]; + assert( pPage->cellOffset == hdr + 12 - 4*pPage->leaf ); + gap = pPage->cellOffset + 2*pPage->nCell; + top = get2byte(&data[hdr+5]); + if( gap>top ) return SQLITE_CORRUPT_BKPT; + testcase( gap+2==top ); + testcase( gap+1==top ); + testcase( gap==top ); + if( nFrag>=60 ){ - defragmentPage(pPage); - }else{ + /* Always defragment highly fragmented pages */ + rc = defragmentPage(pPage); + if( rc ) return rc; + top = get2byte(&data[hdr+5]); + }else if( gap+2<=top ){ /* Search the freelist looking for a free slot big enough to satisfy ** the request. The allocation is made from the first free slot in ** the list that is large enough to accomadate it. @@ -37805,6 +38037,8 @@ static int allocateSpace(MemPage *pPage, int nByte){ int size = get2byte(&data[pc+2]); /* Size of free slot */ if( size>=nByte ){ int x = size - nByte; + testcase( x==4 ); + testcase( x==3 ); if( x<4 ){ /* Remove the slot from the free-list. Update the number of ** fragmented bytes within the page. */ @@ -37815,17 +38049,35 @@ static int allocateSpace(MemPage *pPage, int nByte){ ** for the portion used by the new allocation. */ put2byte(&data[pc+2], x); } - return pc + x; + *pIdx = pc + x; + return SQLITE_OK; } } } + /* Check to make sure there is enough space in the gap to satisfy + ** the allocation. If not, defragment. + */ + testcase( gap+2+nByte==top ); + if( gap+2+nByte>top ){ + rc = defragmentPage(pPage); + if( rc ) return rc; + top = get2byte(&data[hdr+5]); + assert( gap+nByte<=top ); + } + + /* Allocate memory from the gap in between the cell pointer array - ** and the cell content area. + ** and the cell content area. The btreeInitPage() call has already + ** validated the freelist. Given that the freelist is valid, there + ** is no way that the allocation can extend off the end of the page. + ** The assert() below verifies the previous sentence. */ - top = get2byte(&data[hdr+5]) - nByte; + top -= nByte; put2byte(&data[hdr+5], top); - return top; + assert( top+nByte <= pPage->pBt->usableSize ); + *pIdx = top; + return SQLITE_OK; } /* @@ -37838,11 +38090,12 @@ static int allocateSpace(MemPage *pPage, int nByte){ */ static int freeSpace(MemPage *pPage, int start, int size){ int addr, pbegin, hdr; + int iLast; /* Largest possible freeblock offset */ unsigned char *data = pPage->aData; assert( pPage->pBt!=0 ); assert( sqlite3PagerIswriteable(pPage->pDbPage) ); - assert( start>=pPage->hdrOffset+6+(pPage->leaf?0:4) ); + assert( start>=pPage->hdrOffset+6+pPage->childPtrSize ); assert( (start + size)<=pPage->pBt->usableSize ); assert( sqlite3_mutex_held(pPage->pBt->mutex) ); assert( size>=0 ); /* Minimum cell size is 4 */ @@ -37853,17 +38106,26 @@ static int freeSpace(MemPage *pPage, int start, int size){ memset(&data[start], 0, size); #endif - /* Add the space back into the linked list of freeblocks */ + /* Add the space back into the linked list of freeblocks. Note that + ** even though the freeblock list was checked by btreeInitPage(), + ** btreeInitPage() did not detect overlapping cells or + ** freeblocks that overlapped cells. Nor does it detect when the + ** cell content area exceeds the value in the page header. If these + ** situations arise, then subsequent insert operations might corrupt + ** the freelist. So we do need to check for corruption while scanning + ** the freelist. + */ hdr = pPage->hdrOffset; addr = hdr + 1; + iLast = pPage->pBt->usableSize - 4; + assert( start<=iLast ); while( (pbegin = get2byte(&data[addr]))<start && pbegin>0 ){ - assert( pbegin<=pPage->pBt->usableSize-4 ); - if( pbegin<=addr ) { + if( pbegin<addr+4 ){ return SQLITE_CORRUPT_BKPT; } addr = pbegin; } - if ( pbegin>pPage->pBt->usableSize-4 ) { + if( pbegin>iLast ){ return SQLITE_CORRUPT_BKPT; } assert( pbegin>addr || pbegin==0 ); @@ -37873,7 +38135,7 @@ static int freeSpace(MemPage *pPage, int start, int size){ pPage->nFree = pPage->nFree + (u16)size; /* Coalesce adjacent free blocks */ - addr = pPage->hdrOffset + 1; + addr = hdr + 1; while( (pbegin = get2byte(&data[addr]))>0 ){ int pnext, psize, x; assert( pbegin>addr ); @@ -37882,10 +38144,10 @@ static int freeSpace(MemPage *pPage, int start, int size){ psize = get2byte(&data[pbegin+2]); if( pbegin + psize + 3 >= pnext && pnext>0 ){ int frag = pnext - (pbegin+psize); - if( (frag<0) || (frag>(int)data[pPage->hdrOffset+7]) ){ + if( (frag<0) || (frag>(int)data[hdr+7]) ){ return SQLITE_CORRUPT_BKPT; } - data[pPage->hdrOffset+7] -= (u8)frag; + data[hdr+7] -= (u8)frag; x = get2byte(&data[pnext]); put2byte(&data[pbegin], x); x = pnext + get2byte(&data[pnext+2]) - pbegin; @@ -37953,7 +38215,7 @@ static int decodeFlags(MemPage *pPage, int flagByte){ ** guarantee that the page is well-formed. It only shows that ** we failed to detect any corruption. */ -SQLITE_PRIVATE int sqlite3BtreeInitPage(MemPage *pPage){ +static int btreeInitPage(MemPage *pPage){ assert( pPage->pBt!=0 ); assert( sqlite3_mutex_held(pPage->pBt->mutex) ); @@ -37970,6 +38232,8 @@ SQLITE_PRIVATE int sqlite3BtreeInitPage(MemPage *pPage){ u16 cellOffset; /* Offset from start of page to first cell pointer */ u16 nFree; /* Number of unused bytes on the page */ u16 top; /* First byte of the cell content area */ + int iCellFirst; /* First allowable cell or freeblock offset */ + int iCellLast; /* Last possible cell or freeblock offset */ pBt = pPage->pBt; @@ -37987,34 +38251,37 @@ SQLITE_PRIVATE int sqlite3BtreeInitPage(MemPage *pPage){ /* To many cells for a single page. The page must be corrupt */ return SQLITE_CORRUPT_BKPT; } + testcase( pPage->nCell==MX_CELL(pBt) ); - /* A malformed database page might cause use to read past the end + /* A malformed database page might cause us to read past the end ** of page when parsing a cell. ** ** The following block of code checks early to see if a cell extends ** past the end of a page boundary and causes SQLITE_CORRUPT to be ** returned if it does. */ + iCellFirst = cellOffset + 2*pPage->nCell; + iCellLast = usableSize - 4; #if defined(SQLITE_ENABLE_OVERSIZE_CELL_CHECK) { - int iCellFirst; /* First allowable cell index */ - int iCellLast; /* Last possible cell index */ int i; /* Index into the cell pointer array */ int sz; /* Size of a cell */ - iCellFirst = cellOffset + 2*pPage->nCell; - iCellLast = usableSize - 4; if( !pPage->leaf ) iCellLast--; for(i=0; i<pPage->nCell; i++){ pc = get2byte(&data[cellOffset+i*2]); + testcase( pc==iCellFirst ); + testcase( pc==iCellLast ); if( pc<iCellFirst || pc>iCellLast ){ return SQLITE_CORRUPT_BKPT; } sz = cellSizePtr(pPage, &data[pc]); + testcase( pc+sz==usableSize ); if( pc+sz>usableSize ){ return SQLITE_CORRUPT_BKPT; } } + if( !pPage->leaf ) iCellLast++; } #endif @@ -38023,14 +38290,14 @@ SQLITE_PRIVATE int sqlite3BtreeInitPage(MemPage *pPage){ nFree = data[hdr+7] + top; while( pc>0 ){ u16 next, size; - if( pc>usableSize-4 ){ + if( pc<iCellFirst || pc>iCellLast ){ /* Free block is off the page */ return SQLITE_CORRUPT_BKPT; } next = get2byte(&data[pc]); size = get2byte(&data[pc+2]); if( next>0 && next<=pc+size+3 ){ - /* Free blocks must be in accending order */ + /* Free blocks must be in ascending order */ return SQLITE_CORRUPT_BKPT; } nFree = nFree + size; @@ -38047,28 +38314,7 @@ SQLITE_PRIVATE int sqlite3BtreeInitPage(MemPage *pPage){ if( nFree>usableSize ){ return SQLITE_CORRUPT_BKPT; } - pPage->nFree = nFree - (cellOffset + 2*pPage->nCell); - -#if 0 - /* Check that all the offsets in the cell offset array are within range. - ** - ** Omitting this consistency check and using the pPage->maskPage mask - ** to prevent overrunning the page buffer in findCell() results in a - ** 2.5% performance gain. - */ - { - u8 *pOff; /* Iterator used to check all cell offsets are in range */ - u8 *pEnd; /* Pointer to end of cell offset array */ - u8 mask; /* Mask of bits that must be zero in MSB of cell offsets */ - mask = ~(((u8)(pBt->pageSize>>8))-1); - pEnd = &data[cellOffset + pPage->nCell*2]; - for(pOff=&data[cellOffset]; pOff!=pEnd && !((*pOff)&mask); pOff+=2); - if( pOff!=pEnd ){ - return SQLITE_CORRUPT_BKPT; - } - } -#endif - + pPage->nFree = (u16)(nFree - iCellFirst); pPage->isInit = 1; } return SQLITE_OK; @@ -38132,7 +38378,7 @@ static MemPage *btreePageFromDbPage(DbPage *pDbPage, Pgno pgno, BtShared *pBt){ ** means we have started to be concerned about content and the disk ** read should occur at that point. */ -SQLITE_PRIVATE int sqlite3BtreeGetPage( +static int btreeGetPage( BtShared *pBt, /* The btree */ Pgno pgno, /* Number of the page to fetch */ MemPage **ppPage, /* Return the page in this parameter */ @@ -38177,9 +38423,12 @@ static Pgno pagerPagecount(BtShared *pBt){ } /* -** Get a page from the pager and initialize it. This routine -** is just a convenience wrapper around separate calls to -** sqlite3BtreeGetPage() and sqlite3BtreeInitPage(). +** Get a page from the pager and initialize it. This routine is just a +** convenience wrapper around separate calls to btreeGetPage() and +** btreeInitPage(). +** +** If an error occurs, then the value *ppPage is set to is undefined. It +** may remain unchanged, or it may be set to an invalid value. */ static int getAndInitPage( BtShared *pBt, /* The database file */ @@ -38187,44 +38436,31 @@ static int getAndInitPage( MemPage **ppPage /* Write the page pointer here */ ){ int rc; - MemPage *pPage; - + TESTONLY( Pgno iLastPg = pagerPagecount(pBt); ) assert( sqlite3_mutex_held(pBt->mutex) ); - if( pgno==0 ){ - return SQLITE_CORRUPT_BKPT; - } - /* It is often the case that the page we want is already in cache. - ** If so, get it directly. This saves us from having to call - ** pagerPagecount() to make sure pgno is within limits, which results - ** in a measureable performance improvements. - */ - *ppPage = pPage = btreePageLookup(pBt, pgno); - if( pPage ){ - /* Page is already in cache */ - rc = SQLITE_OK; - }else{ - /* Page not in cache. Acquire it. */ - if( pgno>pagerPagecount(pBt) ){ - return SQLITE_CORRUPT_BKPT; + rc = btreeGetPage(pBt, pgno, ppPage, 0); + if( rc==SQLITE_OK ){ + rc = btreeInitPage(*ppPage); + if( rc!=SQLITE_OK ){ + releasePage(*ppPage); } - rc = sqlite3BtreeGetPage(pBt, pgno, ppPage, 0); - if( rc ) return rc; - pPage = *ppPage; - } - if( !pPage->isInit ){ - rc = sqlite3BtreeInitPage(pPage); - } - if( rc!=SQLITE_OK ){ - releasePage(pPage); - *ppPage = 0; } + + /* If the requested page number was either 0 or greater than the page + ** number of the last page in the database, this function should return + ** SQLITE_CORRUPT or some other error (i.e. SQLITE_FULL). Check that this + ** is the case. */ + assert( (pgno>0 && pgno<=iLastPg) || rc!=SQLITE_OK ); + testcase( pgno==0 ); + testcase( pgno==iLastPg ); + return rc; } /* ** Release a MemPage. This should be called once for each prior -** call to sqlite3BtreeGetPage. +** call to btreeGetPage. */ static void releasePage(MemPage *pPage){ if( pPage ){ @@ -38256,11 +38492,11 @@ static void pageReinit(DbPage *pData){ if( sqlite3PagerPageRefcount(pData)>1 ){ /* pPage might not be a btree page; it might be an overflow page ** or ptrmap page or a free page. In those cases, the following - ** call to sqlite3BtreeInitPage() will likely return SQLITE_CORRUPT. + ** call to btreeInitPage() will likely return SQLITE_CORRUPT. ** But no harm is done by this. And it is very important that - ** sqlite3BtreeInitPage() be called on every btree page so we make + ** btreeInitPage() be called on every btree page so we make ** the call for every page that comes in for re-initing. */ - sqlite3BtreeInitPage(pPage); + btreeInitPage(pPage); } } } @@ -38328,6 +38564,10 @@ SQLITE_PRIVATE int sqlite3BtreeOpen( } p->inTrans = TRANS_NONE; p->db = db; +#ifndef SQLITE_OMIT_SHARED_CACHE + p->lock.pBtree = p; + p->lock.iTable = 1; +#endif #if !defined(SQLITE_OMIT_SHARED_CACHE) && !defined(SQLITE_OMIT_DISKIO) /* @@ -38340,7 +38580,6 @@ SQLITE_PRIVATE int sqlite3BtreeOpen( char *zFullPathname = sqlite3Malloc(nFullPathname); sqlite3_mutex *mutexShared; p->sharable = 1; - db->flags |= SQLITE_SharedCache; if( !zFullPathname ){ sqlite3_free(p); return SQLITE_NOMEM; @@ -38403,7 +38642,7 @@ SQLITE_PRIVATE int sqlite3BtreeOpen( goto btree_open_out; } rc = sqlite3PagerOpen(pVfs, &pBt->pPager, zFilename, - EXTRA_SIZE, flags, vfsFlags); + EXTRA_SIZE, flags, vfsFlags, pageReinit); if( rc==SQLITE_OK ){ rc = sqlite3PagerReadFileheader(pBt->pPager,sizeof(zDbHeader),zDbHeader); } @@ -38414,7 +38653,6 @@ SQLITE_PRIVATE int sqlite3BtreeOpen( sqlite3PagerSetBusyhandler(pBt->pPager, btreeInvokeBusyHandler, pBt); p->pBt = pBt; - sqlite3PagerSetReiniter(pBt->pPager, pageReinit); pBt->pCursor = 0; pBt->pPage1 = 0; pBt->readOnly = sqlite3PagerIsreadonly(pBt->pPager); @@ -38839,7 +39077,9 @@ static int lockBtree(BtShared *pBt){ assert( sqlite3_mutex_held(pBt->mutex) ); assert( pBt->pPage1==0 ); - rc = sqlite3BtreeGetPage(pBt, 1, &pPage1, 0); + rc = sqlite3PagerSharedLock(pBt->pPager); + if( rc!=SQLITE_OK ) return rc; + rc = btreeGetPage(pBt, 1, &pPage1, 0); if( rc!=SQLITE_OK ) return rc; /* Do some checking to help insure the file we opened really is @@ -38892,8 +39132,7 @@ static int lockBtree(BtShared *pBt){ freeTempSpace(pBt); rc = sqlite3PagerSetPagesize(pBt->pPager, &pBt->pageSize, pageSize-usableSize); - if( rc ) goto page1_init_failed; - return SQLITE_OK; + return rc; } if( usableSize<480 ){ goto page1_init_failed; @@ -38934,41 +39173,17 @@ page1_init_failed: } /* -** This routine works like lockBtree() except that it also invokes the -** busy callback if there is lock contention. -*/ -static int lockBtreeWithRetry(Btree *pRef){ - int rc = SQLITE_OK; - - assert( sqlite3BtreeHoldsMutex(pRef) ); - if( pRef->inTrans==TRANS_NONE ){ - u8 inTransaction = pRef->pBt->inTransaction; - btreeIntegrity(pRef); - rc = sqlite3BtreeBeginTrans(pRef, 0); - pRef->pBt->inTransaction = inTransaction; - pRef->inTrans = TRANS_NONE; - if( rc==SQLITE_OK ){ - pRef->pBt->nTransaction--; - } - btreeIntegrity(pRef); - } - return rc; -} - - -/* ** If there are no outstanding cursors and we are not in the middle ** of a transaction but there is a read lock on the database, then ** this routine unrefs the first page of the database file which ** has the effect of releasing the read lock. ** -** If there are any outstanding cursors, this routine is a no-op. -** ** If there is a transaction in progress, this routine is a no-op. */ static void unlockBtreeIfUnused(BtShared *pBt){ assert( sqlite3_mutex_held(pBt->mutex) ); - if( pBt->inTransaction==TRANS_NONE && pBt->pCursor==0 && pBt->pPage1!=0 ){ + assert( pBt->pCursor==0 || pBt->inTransaction>TRANS_NONE ); + if( pBt->inTransaction==TRANS_NONE && pBt->pPage1!=0 ){ assert( pBt->pPage1->aData ); assert( sqlite3PagerRefcount(pBt->pPager)==1 ); assert( pBt->pPage1->aData ); @@ -38978,8 +39193,9 @@ static void unlockBtreeIfUnused(BtShared *pBt){ } /* -** Create a new database by initializing the first page of the -** file. +** If pBt points to an empty file then convert that empty file +** into a new empty database by initializing the first page of +** the database. */ static int newDatabase(BtShared *pBt){ MemPage *pP1; @@ -38988,8 +39204,11 @@ static int newDatabase(BtShared *pBt){ int nPage; assert( sqlite3_mutex_held(pBt->mutex) ); + /* The database size has already been measured and cached, so failure + ** is impossible here. If the original size measurement failed, then + ** processing aborts before entering this routine. */ rc = sqlite3PagerPagecount(pBt->pPager, &nPage); - if( rc!=SQLITE_OK || nPage>0 ){ + if( NEVER(rc!=SQLITE_OK) || nPage>0 ){ return rc; } pP1 = pBt->pPage1; @@ -39099,6 +39318,12 @@ SQLITE_PRIVATE int sqlite3BtreeBeginTrans(Btree *p, int wrflag){ } #endif + /* Any read-only or read-write transaction implies a read-lock on + ** page 1. So if some other shared-cache client already has a write-lock + ** on page 1, the transaction cannot be opened. */ + rc = querySharedCacheTableLock(p, MASTER_ROOT, READ_LOCK); + if( SQLITE_OK!=rc ) goto trans_begun; + do { /* Call lockBtree() until either pBt->pPage1 is populated or ** lockBtree() returns something other than SQLITE_OK. lockBtree() @@ -39129,6 +39354,14 @@ SQLITE_PRIVATE int sqlite3BtreeBeginTrans(Btree *p, int wrflag){ if( rc==SQLITE_OK ){ if( p->inTrans==TRANS_NONE ){ pBt->nTransaction++; +#ifndef SQLITE_OMIT_SHARED_CACHE + if( p->sharable ){ + assert( p->lock.pBtree==p && p->lock.iTable==1 ); + p->lock.eLock = READ_LOCK; + p->lock.pNext = pBt->pLock; + pBt->pLock = &p->lock; + } +#endif } p->inTrans = (wrflag?TRANS_WRITE:TRANS_READ); if( p->inTrans>pBt->inTransaction ){ @@ -39174,7 +39407,7 @@ static int setChildPtrmaps(MemPage *pPage){ Pgno pgno = pPage->pgno; assert( sqlite3_mutex_held(pPage->pBt->mutex) ); - rc = sqlite3BtreeInitPage(pPage); + rc = btreeInitPage(pPage); if( rc!=SQLITE_OK ){ goto set_child_ptrmaps_out; } @@ -39183,21 +39416,17 @@ static int setChildPtrmaps(MemPage *pPage){ for(i=0; i<nCell; i++){ u8 *pCell = findCell(pPage, i); - rc = ptrmapPutOvflPtr(pPage, pCell); - if( rc!=SQLITE_OK ){ - goto set_child_ptrmaps_out; - } + ptrmapPutOvflPtr(pPage, pCell, &rc); if( !pPage->leaf ){ Pgno childPgno = get4byte(pCell); - rc = ptrmapPut(pBt, childPgno, PTRMAP_BTREE, pgno); - if( rc!=SQLITE_OK ) goto set_child_ptrmaps_out; + ptrmapPut(pBt, childPgno, PTRMAP_BTREE, pgno, &rc); } } if( !pPage->leaf ){ Pgno childPgno = get4byte(&pPage->aData[pPage->hdrOffset+8]); - rc = ptrmapPut(pBt, childPgno, PTRMAP_BTREE, pgno); + ptrmapPut(pBt, childPgno, PTRMAP_BTREE, pgno, &rc); } set_child_ptrmaps_out: @@ -39206,10 +39435,9 @@ set_child_ptrmaps_out: } /* -** Somewhere on pPage, which is guaranteed to be a btree page, not an overflow -** page, is a pointer to page iFrom. Modify this pointer so that it points to -** iTo. Parameter eType describes the type of pointer to be modified, as -** follows: +** Somewhere on pPage is a pointer to page iFrom. Modify this pointer so +** that it points to iTo. Parameter eType describes the type of pointer to +** be modified, as follows: ** ** PTRMAP_BTREE: pPage is a btree-page. The pointer points at a child ** page of pPage. @@ -39234,14 +39462,14 @@ static int modifyPagePointer(MemPage *pPage, Pgno iFrom, Pgno iTo, u8 eType){ int i; int nCell; - sqlite3BtreeInitPage(pPage); + btreeInitPage(pPage); nCell = pPage->nCell; for(i=0; i<nCell; i++){ u8 *pCell = findCell(pPage, i); if( eType==PTRMAP_OVERFLOW1 ){ CellInfo info; - sqlite3BtreeParseCellPtr(pPage, pCell, &info); + btreeParseCellPtr(pPage, pCell, &info); if( info.iOverflow ){ if( iFrom==get4byte(&pCell[info.iOverflow]) ){ put4byte(&pCell[info.iOverflow], iTo); @@ -39273,6 +39501,11 @@ static int modifyPagePointer(MemPage *pPage, Pgno iFrom, Pgno iTo, u8 eType){ /* ** Move the open database page pDbPage to location iFreePage in the ** database. The pDbPage reference remains valid. +** +** The isCommit flag indicates that there is no need to remember that +** the journal needs to be sync()ed before database page pDbPage->pgno +** can be written to. The caller has already promised not to write to that +** page. */ static int relocatePage( BtShared *pBt, /* Btree */ @@ -39280,7 +39513,7 @@ static int relocatePage( u8 eType, /* Pointer map 'type' entry for pDbPage */ Pgno iPtrPage, /* Pointer map 'page-no' entry for pDbPage */ Pgno iFreePage, /* The location to move pDbPage to */ - int isCommit + int isCommit /* isCommit flag passed to sqlite3PagerMovepage */ ){ MemPage *pPtrPage; /* The page that contains a pointer to pDbPage */ Pgno iDbPage = pDbPage->pgno; @@ -39317,7 +39550,7 @@ static int relocatePage( }else{ Pgno nextOvfl = get4byte(pDbPage->aData); if( nextOvfl!=0 ){ - rc = ptrmapPut(pBt, nextOvfl, PTRMAP_OVERFLOW2, iFreePage); + ptrmapPut(pBt, nextOvfl, PTRMAP_OVERFLOW2, iFreePage, &rc); if( rc!=SQLITE_OK ){ return rc; } @@ -39329,7 +39562,7 @@ static int relocatePage( ** iPtrPage. */ if( eType!=PTRMAP_ROOTPAGE ){ - rc = sqlite3BtreeGetPage(pBt, iPtrPage, &pPtrPage, 0); + rc = btreeGetPage(pBt, iPtrPage, &pPtrPage, 0); if( rc!=SQLITE_OK ){ return rc; } @@ -39341,7 +39574,7 @@ static int relocatePage( rc = modifyPagePointer(pPtrPage, iDbPage, iFreePage, eType); releasePage(pPtrPage); if( rc==SQLITE_OK ){ - rc = ptrmapPut(pBt, iFreePage, eType, iPtrPage); + ptrmapPut(pBt, iFreePage, eType, iPtrPage, &rc); } } return rc; @@ -39359,11 +39592,14 @@ static int allocateBtreePage(BtShared *, MemPage **, Pgno *, Pgno, u8); ** database so that the last page of the file currently in use ** is no longer in use. ** -** If the nFin parameter is non-zero, the implementation assumes +** If the nFin parameter is non-zero, this function assumes ** that the caller will keep calling incrVacuumStep() until ** it returns SQLITE_DONE or an error, and that nFin is the ** number of pages the database file will contain after this -** process is complete. +** process is complete. If nFin is zero, it is assumed that +** incrVacuumStep() will be called a finite amount of times +** which may or may not empty the freelist. A full autovacuum +** has nFin>0. A "PRAGMA incremental_vacuum" has nFin==0. */ static int incrVacuumStep(BtShared *pBt, Pgno nFin, Pgno iLastPg){ Pgno nFreeList; /* Number of pages still on the free-list */ @@ -39409,7 +39645,7 @@ static int incrVacuumStep(BtShared *pBt, Pgno nFin, Pgno iLastPg){ Pgno iFreePg; /* Index of free page to move pLastPg to */ MemPage *pLastPg; - rc = sqlite3BtreeGetPage(pBt, iLastPg, &pLastPg, 0); + rc = btreeGetPage(pBt, iLastPg, &pLastPg, 0); if( rc!=SQLITE_OK ){ return rc; } @@ -39448,7 +39684,7 @@ static int incrVacuumStep(BtShared *pBt, Pgno nFin, Pgno iLastPg){ while( iLastPg==PENDING_BYTE_PAGE(pBt)||PTRMAP_ISPAGE(pBt, iLastPg) ){ if( PTRMAP_ISPAGE(pBt, iLastPg) ){ MemPage *pPg; - int rc = sqlite3BtreeGetPage(pBt, iLastPg, &pPg, 0); + int rc = btreeGetPage(pBt, iLastPg, &pPg, 0); if( rc!=SQLITE_OK ){ return rc; } @@ -39507,13 +39743,14 @@ static int autoVacuumCommit(BtShared *pBt){ invalidateAllOverflowCache(pBt); assert(pBt->autoVacuum); if( !pBt->incrVacuum ){ - Pgno nFin; - Pgno nFree; - Pgno nPtrmap; - Pgno iFree; - const int pgsz = pBt->pageSize; - Pgno nOrig = pagerPagecount(pBt); - + Pgno nFin; /* Number of pages in database after autovacuuming */ + Pgno nFree; /* Number of pages on the freelist initially */ + Pgno nPtrmap; /* Number of PtrMap pages to be freed */ + Pgno iFree; /* The next page to be freed */ + int nEntry; /* Number of entries on one ptrmap page */ + Pgno nOrig; /* Database size before freeing */ + + nOrig = pagerPagecount(pBt); if( PTRMAP_ISPAGE(pBt, nOrig) || nOrig==PENDING_BYTE_PAGE(pBt) ){ /* It is not possible to create a database for which the final page ** is either a pointer-map page or the pending-byte page. If one @@ -39523,7 +39760,8 @@ static int autoVacuumCommit(BtShared *pBt){ } nFree = get4byte(&pBt->pPage1->aData[36]); - nPtrmap = (nFree-nOrig+PTRMAP_PAGENO(pBt, nOrig)+pgsz/5)/(pgsz/5); + nEntry = pBt->usableSize/5; + nPtrmap = (nFree-nOrig+PTRMAP_PAGENO(pBt, nOrig)+nEntry)/nEntry; nFin = nOrig - nFree - nPtrmap; if( nOrig>PENDING_BYTE_PAGE(pBt) && nFin<PENDING_BYTE_PAGE(pBt) ){ nFin--; @@ -39603,6 +39841,48 @@ SQLITE_PRIVATE int sqlite3BtreeCommitPhaseOne(Btree *p, const char *zMaster){ } /* +** This function is called from both BtreeCommitPhaseTwo() and BtreeRollback() +** at the conclusion of a transaction. +*/ +static void btreeEndTransaction(Btree *p){ + BtShared *pBt = p->pBt; + BtCursor *pCsr; + assert( sqlite3BtreeHoldsMutex(p) ); + + /* Search for a cursor held open by this b-tree connection. If one exists, + ** then the transaction will be downgraded to a read-only transaction + ** instead of actually concluded. A subsequent call to CommitPhaseTwo() + ** or Rollback() will finish the transaction and unlock the database. */ + for(pCsr=pBt->pCursor; pCsr && pCsr->pBtree!=p; pCsr=pCsr->pNext); + assert( pCsr==0 || p->inTrans>TRANS_NONE ); + + btreeClearHasContent(pBt); + if( pCsr ){ + downgradeAllSharedCacheTableLocks(p); + p->inTrans = TRANS_READ; + }else{ + /* If the handle had any kind of transaction open, decrement the + ** transaction count of the shared btree. If the transaction count + ** reaches 0, set the shared state to TRANS_NONE. The unlockBtreeIfUnused() + ** call below will unlock the pager. */ + if( p->inTrans!=TRANS_NONE ){ + clearAllSharedCacheTableLocks(p); + pBt->nTransaction--; + if( 0==pBt->nTransaction ){ + pBt->inTransaction = TRANS_NONE; + } + } + + /* Set the current transaction state to TRANS_NONE and unlock the + ** pager if this call closed the only read or write transaction. */ + p->inTrans = TRANS_NONE; + unlockBtreeIfUnused(pBt); + } + + btreeIntegrity(p); +} + +/* ** Commit the transaction currently in progress. ** ** This routine implements the second phase of a 2-phase commit. The @@ -39638,27 +39918,7 @@ SQLITE_PRIVATE int sqlite3BtreeCommitPhaseTwo(Btree *p){ pBt->inTransaction = TRANS_READ; } - /* If the handle has any kind of transaction open, decrement the transaction - ** count of the shared btree. If the transaction count reaches 0, set - ** the shared state to TRANS_NONE. The unlockBtreeIfUnused() call below - ** will unlock the pager. - */ - if( p->inTrans!=TRANS_NONE ){ - clearAllSharedCacheTableLocks(p); - pBt->nTransaction--; - if( 0==pBt->nTransaction ){ - pBt->inTransaction = TRANS_NONE; - } - } - - /* Set the current transaction state to TRANS_NONE and unlock - ** the pager if this call closed the only read or write transaction. - */ - btreeClearHasContent(pBt); - p->inTrans = TRANS_NONE; - unlockBtreeIfUnused(pBt); - - btreeIntegrity(p); + btreeEndTransaction(p); sqlite3BtreeLeave(p); return SQLITE_OK; } @@ -39722,7 +39982,7 @@ SQLITE_PRIVATE void sqlite3BtreeTripAllCursors(Btree *pBtree, int errCode){ int i; sqlite3BtreeClearCursor(p); p->eState = CURSOR_FAULT; - p->skip = errCode; + p->skipNext = errCode; for(i=0; i<=p->iPage; i++){ releasePage(p->apPage[i]); p->apPage[i] = 0; @@ -39771,29 +40031,16 @@ SQLITE_PRIVATE int sqlite3BtreeRollback(Btree *p){ } /* The rollback may have destroyed the pPage1->aData value. So - ** call sqlite3BtreeGetPage() on page 1 again to make + ** call btreeGetPage() on page 1 again to make ** sure pPage1->aData is set correctly. */ - if( sqlite3BtreeGetPage(pBt, 1, &pPage1, 0)==SQLITE_OK ){ + if( btreeGetPage(pBt, 1, &pPage1, 0)==SQLITE_OK ){ releasePage(pPage1); } assert( countWriteCursors(pBt)==0 ); pBt->inTransaction = TRANS_READ; } - if( p->inTrans!=TRANS_NONE ){ - clearAllSharedCacheTableLocks(p); - assert( pBt->nTransaction>0 ); - pBt->nTransaction--; - if( 0==pBt->nTransaction ){ - pBt->inTransaction = TRANS_NONE; - } - } - - btreeClearHasContent(pBt); - p->inTrans = TRANS_NONE; - unlockBtreeIfUnused(pBt); - - btreeIntegrity(p); + btreeEndTransaction(p); sqlite3BtreeLeave(p); return rc; } @@ -39869,8 +40116,10 @@ SQLITE_PRIVATE int sqlite3BtreeSavepoint(Btree *p, int op, int iSavepoint){ /* ** Create a new cursor for the BTree whose root is on the page -** iTable. The act of acquiring a cursor gets a read lock on -** the database file. +** iTable. If a read-only cursor is requested, it is assumed that +** the caller already has at least a read-only transaction open +** on the database already. If a write-cursor is requested, then +** the caller is assumed to have an open write transaction. ** ** If wrFlag==0, then the cursor can only be used for reading. ** If wrFlag==1, then the cursor can be used for reading or for @@ -39904,48 +40153,34 @@ static int btreeCursor( struct KeyInfo *pKeyInfo, /* First arg to comparison function */ BtCursor *pCur /* Space for new cursor */ ){ - int rc; - Pgno nPage; - BtShared *pBt = p->pBt; + BtShared *pBt = p->pBt; /* Shared b-tree handle */ assert( sqlite3BtreeHoldsMutex(p) ); assert( wrFlag==0 || wrFlag==1 ); - if( wrFlag ){ - assert( !pBt->readOnly ); - if( NEVER(pBt->readOnly) ){ - return SQLITE_READONLY; - } - rc = checkForReadConflicts(p, iTable, 0, 0); - if( rc!=SQLITE_OK ){ - assert( rc==SQLITE_LOCKED_SHAREDCACHE ); - return rc; - } - } - if( pBt->pPage1==0 ){ - rc = lockBtreeWithRetry(p); - if( rc!=SQLITE_OK ){ - return rc; - } - } - pCur->pgnoRoot = (Pgno)iTable; - rc = sqlite3PagerPagecount(pBt->pPager, (int *)&nPage); - if( rc!=SQLITE_OK ){ - return rc; - } - if( iTable==1 && nPage==0 ){ - rc = SQLITE_EMPTY; - goto create_cursor_exception; + /* The following assert statements verify that if this is a sharable + ** b-tree database, the connection is holding the required table locks, + ** and that no other connection has any open cursor that conflicts with + ** this lock. */ + assert( hasSharedCacheTableLock(p, iTable, pKeyInfo!=0, wrFlag+1) ); + assert( wrFlag==0 || !hasReadConflicts(p, iTable) ); + + /* Assert that the caller has opened the required transaction. */ + assert( p->inTrans>TRANS_NONE ); + assert( wrFlag==0 || p->inTrans==TRANS_WRITE ); + assert( pBt->pPage1 && pBt->pPage1->aData ); + + if( NEVER(wrFlag && pBt->readOnly) ){ + return SQLITE_READONLY; } - rc = getAndInitPage(pBt, pCur->pgnoRoot, &pCur->apPage[0]); - if( rc!=SQLITE_OK ){ - goto create_cursor_exception; + if( iTable==1 && pagerPagecount(pBt)==0 ){ + return SQLITE_EMPTY; } /* Now that no other errors can occur, finish filling in the BtCursor - ** variables, link the cursor into the BtShared list and set *ppCur (the - ** output argument to this function). - */ + ** variables and link the cursor into the BtShared list. */ + pCur->pgnoRoot = (Pgno)iTable; + pCur->iPage = -1; pCur->pKeyInfo = pKeyInfo; pCur->pBtree = p; pCur->pBt = pBt; @@ -39957,13 +40192,7 @@ static int btreeCursor( pBt->pCursor = pCur; pCur->eState = CURSOR_INVALID; pCur->cachedRowid = 0; - return SQLITE_OK; - -create_cursor_exception: - releasePage(pCur->apPage[0]); - unlockBtreeIfUnused(pBt); - return rc; } SQLITE_PRIVATE int sqlite3BtreeCursor( Btree *p, /* The btree */ @@ -40051,46 +40280,13 @@ SQLITE_PRIVATE int sqlite3BtreeCloseCursor(BtCursor *pCur){ return SQLITE_OK; } -#ifdef SQLITE_TEST -/* -** Make a temporary cursor by filling in the fields of pTempCur. -** The temporary cursor is not on the cursor list for the Btree. -*/ -SQLITE_PRIVATE void sqlite3BtreeGetTempCursor(BtCursor *pCur, BtCursor *pTempCur){ - int i; - assert( cursorHoldsMutex(pCur) ); - memcpy(pTempCur, pCur, sizeof(BtCursor)); - pTempCur->pNext = 0; - pTempCur->pPrev = 0; - for(i=0; i<=pTempCur->iPage; i++){ - sqlite3PagerRef(pTempCur->apPage[i]->pDbPage); - } - assert( pTempCur->pKey==0 ); -} -#endif /* SQLITE_TEST */ - -#ifdef SQLITE_TEST -/* -** Delete a temporary cursor such as was made by the CreateTemporaryCursor() -** function above. -*/ -SQLITE_PRIVATE void sqlite3BtreeReleaseTempCursor(BtCursor *pCur){ - int i; - assert( cursorHoldsMutex(pCur) ); - for(i=0; i<=pCur->iPage; i++){ - sqlite3PagerUnref(pCur->apPage[i]->pDbPage); - } - sqlite3_free(pCur->pKey); -} -#endif /* SQLITE_TEST */ - /* ** Make sure the BtCursor* given in the argument has a valid ** BtCursor.info structure. If it is not already valid, call -** sqlite3BtreeParseCell() to fill it in. +** btreeParseCell() to fill it in. ** ** BtCursor.info is a cache of the information in the current cell. -** Using this cache reduces the number of calls to sqlite3BtreeParseCell(). +** Using this cache reduces the number of calls to btreeParseCell(). ** ** 2007-06-25: There is a bug in some versions of MSVC that cause the ** compiler to crash when getCellInfo() is implemented as a macro. @@ -40104,7 +40300,7 @@ SQLITE_PRIVATE void sqlite3BtreeReleaseTempCursor(BtCursor *pCur){ CellInfo info; int iPage = pCur->iPage; memset(&info, 0, sizeof(info)); - sqlite3BtreeParseCell(pCur->apPage[iPage], pCur->aiIdx[iPage], &info); + btreeParseCell(pCur->apPage[iPage], pCur->aiIdx[iPage], &info); assert( memcmp(&info, &pCur->info, sizeof(info))==0 ); } #else @@ -40115,7 +40311,7 @@ SQLITE_PRIVATE void sqlite3BtreeReleaseTempCursor(BtCursor *pCur){ static void getCellInfo(BtCursor *pCur){ if( pCur->info.nSize==0 ){ int iPage = pCur->iPage; - sqlite3BtreeParseCell(pCur->apPage[iPage],pCur->aiIdx[iPage],&pCur->info); + btreeParseCell(pCur->apPage[iPage],pCur->aiIdx[iPage],&pCur->info); pCur->validNKey = 1; }else{ assertCellInfo(pCur); @@ -40126,13 +40322,24 @@ SQLITE_PRIVATE void sqlite3BtreeReleaseTempCursor(BtCursor *pCur){ #define getCellInfo(pCur) \ if( pCur->info.nSize==0 ){ \ int iPage = pCur->iPage; \ - sqlite3BtreeParseCell(pCur->apPage[iPage],pCur->aiIdx[iPage],&pCur->info); \ + btreeParseCell(pCur->apPage[iPage],pCur->aiIdx[iPage],&pCur->info); \ pCur->validNKey = 1; \ }else{ \ assertCellInfo(pCur); \ } #endif /* _MSC_VER */ +#ifndef NDEBUG /* The next routine used only within assert() statements */ +/* +** Return true if the given BtCursor is valid. A valid cursor is one +** that is currently pointing to a row in a (non-empty) table. +** This is a verification routine is used only within assert() statements. +*/ +SQLITE_PRIVATE int sqlite3BtreeCursorIsValid(BtCursor *pCur){ + return pCur && pCur->eState==CURSOR_VALID; +} +#endif /* NDEBUG */ + /* ** Set *pSize to the size of the buffer needed to hold the value of ** the key for the current entry. If the cursor is not pointing @@ -40140,47 +40347,41 @@ SQLITE_PRIVATE void sqlite3BtreeReleaseTempCursor(BtCursor *pCur){ ** ** For a table with the INTKEY flag set, this routine returns the key ** itself, not the number of bytes in the key. +** +** The caller must position the cursor prior to invoking this routine. +** +** This routine cannot fail. It always returns SQLITE_OK. */ SQLITE_PRIVATE int sqlite3BtreeKeySize(BtCursor *pCur, i64 *pSize){ - int rc; - assert( cursorHoldsMutex(pCur) ); - rc = restoreCursorPosition(pCur); - if( rc==SQLITE_OK ){ - assert( pCur->eState==CURSOR_INVALID || pCur->eState==CURSOR_VALID ); - if( pCur->eState==CURSOR_INVALID ){ - *pSize = 0; - }else{ - getCellInfo(pCur); - *pSize = pCur->info.nKey; - } + assert( pCur->eState==CURSOR_INVALID || pCur->eState==CURSOR_VALID ); + if( pCur->eState!=CURSOR_VALID ){ + *pSize = 0; + }else{ + getCellInfo(pCur); + *pSize = pCur->info.nKey; } - return rc; + return SQLITE_OK; } /* ** Set *pSize to the number of bytes of data in the entry the -** cursor currently points to. Always return SQLITE_OK. -** Failure is not possible. If the cursor is not currently -** pointing to an entry (which can happen, for example, if -** the database is empty) then *pSize is set to 0. +** cursor currently points to. +** +** The caller must guarantee that the cursor is pointing to a non-NULL +** valid entry. In other words, the calling procedure must guarantee +** that the cursor has Cursor.eState==CURSOR_VALID. +** +** Failure is not possible. This function always returns SQLITE_OK. +** It might just as well be a procedure (returning void) but we continue +** to return an integer result code for historical reasons. */ SQLITE_PRIVATE int sqlite3BtreeDataSize(BtCursor *pCur, u32 *pSize){ - int rc; - assert( cursorHoldsMutex(pCur) ); - rc = restoreCursorPosition(pCur); - if( rc==SQLITE_OK ){ - assert( pCur->eState==CURSOR_INVALID || pCur->eState==CURSOR_VALID ); - if( pCur->eState==CURSOR_INVALID ){ - /* Not pointing at a valid entry - set *pSize to 0. */ - *pSize = 0; - }else{ - getCellInfo(pCur); - *pSize = pCur->info.nData; - } - } - return rc; + assert( pCur->eState==CURSOR_VALID ); + getCellInfo(pCur); + *pSize = pCur->info.nData; + return SQLITE_OK; } /* @@ -40203,8 +40404,8 @@ SQLITE_PRIVATE int sqlite3BtreeDataSize(BtCursor *pCur, u32 *pSize){ ** *ppPage is set to zero. */ static int getOverflowPage( - BtShared *pBt, - Pgno ovfl, /* Overflow page */ + BtShared *pBt, /* The database file */ + Pgno ovfl, /* Current overflow page number */ MemPage **ppPage, /* OUT: MemPage handle (may be NULL) */ Pgno *pPgnoNext /* OUT: Next overflow page number */ ){ @@ -40241,10 +40442,11 @@ static int getOverflowPage( } #endif + assert( next==0 || rc==SQLITE_DONE ); if( rc==SQLITE_OK ){ - rc = sqlite3BtreeGetPage(pBt, ovfl, &pPage, 0); - assert(rc==SQLITE_OK || pPage==0); - if( next==0 && rc==SQLITE_OK ){ + rc = btreeGetPage(pBt, ovfl, &pPage, 0); + assert( rc==SQLITE_OK || pPage==0 ); + if( rc==SQLITE_OK ){ next = get4byte(pPage->aData); } } @@ -40300,10 +40502,8 @@ static int copyPayload( ** A total of "amt" bytes are read or written beginning at "offset". ** Data is read to or from the buffer pBuf. ** -** This routine does not make a distinction between key and data. -** It just reads or writes bytes from the payload area. Data might -** appear on the main page or be scattered out on multiple overflow -** pages. +** The content being read or written might appear on the main page +** or be scattered out on multiple overflow pages. ** ** If the BtCursor.isIncrblobHandle flag is set, and the current ** cursor entry uses one or more overflow pages, this function @@ -40325,7 +40525,6 @@ static int accessPayload( u32 offset, /* Begin reading this far into payload */ u32 amt, /* Read this many bytes */ unsigned char *pBuf, /* Write the bytes into this buffer */ - int skipKey, /* offset begins at data if this is true */ int eOp /* zero to read. non-zero to write. */ ){ unsigned char *aPayload; @@ -40344,10 +40543,7 @@ static int accessPayload( aPayload = pCur->info.pCell + pCur->info.nHeader; nKey = (pPage->intKey ? 0 : (int)pCur->info.nKey); - if( skipKey ){ - offset += nKey; - } - if( offset+amt > nKey+pCur->info.nData + if( NEVER(offset+amt > nKey+pCur->info.nData) || &aPayload[pCur->info.nLocal] > &pPage->aData[pBt->usableSize] ){ /* Trying to read or write past the end of the data is an error */ @@ -40385,7 +40581,9 @@ static int accessPayload( if( pCur->isIncrblobHandle && !pCur->aOverflow ){ int nOvfl = (pCur->info.nPayload-pCur->info.nLocal+ovflSize-1)/ovflSize; pCur->aOverflow = (Pgno *)sqlite3MallocZero(sizeof(Pgno)*nOvfl); - if( nOvfl && !pCur->aOverflow ){ + /* nOvfl is always positive. If it were zero, fetchPayload would have + ** been used instead of this routine. */ + if( ALWAYS(nOvfl) && !pCur->aOverflow ){ rc = SQLITE_NOMEM; } } @@ -40459,25 +40657,19 @@ static int accessPayload( ** "amt" bytes will be transfered into pBuf[]. The transfer ** begins at "offset". ** +** The caller must ensure that pCur is pointing to a valid row +** in the table. +** ** Return SQLITE_OK on success or an error code if anything goes ** wrong. An error is returned if "offset+amt" is larger than ** the available payload. */ SQLITE_PRIVATE int sqlite3BtreeKey(BtCursor *pCur, u32 offset, u32 amt, void *pBuf){ - int rc; - assert( cursorHoldsMutex(pCur) ); - rc = restoreCursorPosition(pCur); - if( rc==SQLITE_OK ){ - assert( pCur->eState==CURSOR_VALID ); - assert( pCur->iPage>=0 && pCur->apPage[pCur->iPage] ); - if( pCur->apPage[0]->intKey ){ - return SQLITE_CORRUPT_BKPT; - } - assert( pCur->aiIdx[pCur->iPage]<pCur->apPage[pCur->iPage]->nCell ); - rc = accessPayload(pCur, offset, amt, (unsigned char*)pBuf, 0, 0); - } - return rc; + assert( pCur->eState==CURSOR_VALID ); + assert( pCur->iPage>=0 && pCur->apPage[pCur->iPage] ); + assert( pCur->aiIdx[pCur->iPage]<pCur->apPage[pCur->iPage]->nCell ); + return accessPayload(pCur, offset, amt, (unsigned char*)pBuf, 0); } /* @@ -40504,7 +40696,7 @@ SQLITE_PRIVATE int sqlite3BtreeData(BtCursor *pCur, u32 offset, u32 amt, void *p assert( pCur->eState==CURSOR_VALID ); assert( pCur->iPage>=0 && pCur->apPage[pCur->iPage] ); assert( pCur->aiIdx[pCur->iPage]<pCur->apPage[pCur->iPage]->nCell ); - rc = accessPayload(pCur, offset, amt, pBuf, 1, 0); + rc = accessPayload(pCur, offset, amt, pBuf, 0); } return rc; } @@ -40543,7 +40735,10 @@ static const unsigned char *fetchPayload( assert( cursorHoldsMutex(pCur) ); pPage = pCur->apPage[pCur->iPage]; assert( pCur->aiIdx[pCur->iPage]<pPage->nCell ); - getCellInfo(pCur); + if( NEVER(pCur->info.nSize==0) ){ + btreeParseCell(pCur->apPage[pCur->iPage], pCur->aiIdx[pCur->iPage], + &pCur->info); + } aPayload = pCur->info.pCell; aPayload += pCur->info.nHeader; if( pPage->intKey ){ @@ -40556,9 +40751,7 @@ static const unsigned char *fetchPayload( nLocal = pCur->info.nLocal - nKey; }else{ nLocal = pCur->info.nLocal; - if( nLocal>nKey ){ - nLocal = nKey; - } + assert( nLocal<=nKey ); } *pAmt = nLocal; return aPayload; @@ -40580,26 +40773,33 @@ static const unsigned char *fetchPayload( ** in the common case where no overflow pages are used. */ SQLITE_PRIVATE const void *sqlite3BtreeKeyFetch(BtCursor *pCur, int *pAmt){ + const void *p = 0; assert( sqlite3_mutex_held(pCur->pBtree->db->mutex) ); assert( cursorHoldsMutex(pCur) ); - if( pCur->eState==CURSOR_VALID ){ - return (const void*)fetchPayload(pCur, pAmt, 0); + if( ALWAYS(pCur->eState==CURSOR_VALID) ){ + p = (const void*)fetchPayload(pCur, pAmt, 0); } - return 0; + return p; } SQLITE_PRIVATE const void *sqlite3BtreeDataFetch(BtCursor *pCur, int *pAmt){ + const void *p = 0; assert( sqlite3_mutex_held(pCur->pBtree->db->mutex) ); assert( cursorHoldsMutex(pCur) ); - if( pCur->eState==CURSOR_VALID ){ - return (const void*)fetchPayload(pCur, pAmt, 1); + if( ALWAYS(pCur->eState==CURSOR_VALID) ){ + p = (const void*)fetchPayload(pCur, pAmt, 1); } - return 0; + return p; } /* ** Move the cursor down to a new child page. The newPgno argument is the ** page number of the child page to move to. +** +** This function returns SQLITE_CORRUPT if the page-header flags field of +** the new child page does not match the flags field of the parent (i.e. +** if an intkey page appears to be the parent of a non-intkey page, or +** vice-versa). */ static int moveToChild(BtCursor *pCur, u32 newPgno){ int rc; @@ -40621,7 +40821,7 @@ static int moveToChild(BtCursor *pCur, u32 newPgno){ pCur->info.nSize = 0; pCur->validNKey = 0; - if( pNewPage->nCell<1 ){ + if( pNewPage->nCell<1 || pNewPage->intKey!=pCur->apPage[i]->intKey ){ return SQLITE_CORRUPT_BKPT; } return SQLITE_OK; @@ -40655,7 +40855,7 @@ static void assertParentIndex(MemPage *pParent, int iIdx, Pgno iChild){ ** right-most child page then pCur->idx is set to one more than ** the largest cell index. */ -SQLITE_PRIVATE void sqlite3BtreeMoveToParent(BtCursor *pCur){ +static void moveToParent(BtCursor *pCur){ assert( cursorHoldsMutex(pCur) ); assert( pCur->eState==CURSOR_VALID ); assert( pCur->iPage>0 ); @@ -40672,7 +40872,25 @@ SQLITE_PRIVATE void sqlite3BtreeMoveToParent(BtCursor *pCur){ } /* -** Move the cursor to the root page +** Move the cursor to point to the root page of its b-tree structure. +** +** If the table has a virtual root page, then the cursor is moved to point +** to the virtual root page instead of the actual root page. A table has a +** virtual root page when the actual root page contains no cells and a +** single child page. This can only happen with the table rooted at page 1. +** +** If the b-tree structure is empty, the cursor state is set to +** CURSOR_INVALID. Otherwise, the cursor is set to point to the first +** cell located on the root (or virtual root) page and the cursor state +** is set to CURSOR_VALID. +** +** If this function returns successfully, it may be assumed that the +** page-header flags indicate that the [virtual] root-page is the expected +** kind of b-tree page (i.e. if when opening the cursor the caller did not +** specify a KeyInfo structure the flags byte is set to 0x05 or 0x0D, +** indicating a table b-tree, or if the caller did specify a KeyInfo +** structure the flags byte is set to 0x02 or 0x0A, indicating an index +** b-tree). */ static int moveToRoot(BtCursor *pCur){ MemPage *pRoot; @@ -40686,7 +40904,8 @@ static int moveToRoot(BtCursor *pCur){ assert( CURSOR_FAULT > CURSOR_REQUIRESEEK ); if( pCur->eState>=CURSOR_REQUIRESEEK ){ if( pCur->eState==CURSOR_FAULT ){ - return pCur->skip; + assert( pCur->skipNext!=SQLITE_OK ); + return pCur->skipNext; } sqlite3BtreeClearCursor(pCur); } @@ -40696,18 +40915,35 @@ static int moveToRoot(BtCursor *pCur){ for(i=1; i<=pCur->iPage; i++){ releasePage(pCur->apPage[i]); } + pCur->iPage = 0; }else{ - if( - SQLITE_OK!=(rc = getAndInitPage(pBt, pCur->pgnoRoot, &pCur->apPage[0])) - ){ + rc = getAndInitPage(pBt, pCur->pgnoRoot, &pCur->apPage[0]); + if( rc!=SQLITE_OK ){ pCur->eState = CURSOR_INVALID; return rc; } + pCur->iPage = 0; + + /* If pCur->pKeyInfo is not NULL, then the caller that opened this cursor + ** expected to open it on an index b-tree. Otherwise, if pKeyInfo is + ** NULL, the caller expects a table b-tree. If this is not the case, + ** return an SQLITE_CORRUPT error. */ + assert( pCur->apPage[0]->intKey==1 || pCur->apPage[0]->intKey==0 ); + if( (pCur->pKeyInfo==0)!=pCur->apPage[0]->intKey ){ + return SQLITE_CORRUPT_BKPT; + } } + /* Assert that the root page is of the correct type. This must be the + ** case as the call to this function that loaded the root-page (either + ** this call or a previous invocation) would have detected corruption + ** if the assumption were not true, and it is not possible for the flags + ** byte to have been modified while this cursor is holding a reference + ** to the page. */ pRoot = pCur->apPage[0]; assert( pRoot->pgno==pCur->pgnoRoot ); - pCur->iPage = 0; + assert( pRoot->isInit && (pCur->pKeyInfo==0)==pRoot->intKey ); + pCur->aiIdx[0] = 0; pCur->info.nSize = 0; pCur->atLast = 0; @@ -40716,9 +40952,7 @@ static int moveToRoot(BtCursor *pCur){ if( pRoot->nCell==0 && !pRoot->leaf ){ Pgno subpage; if( pRoot->pgno!=1 ) return SQLITE_CORRUPT_BKPT; - assert( pRoot->pgno==1 ); subpage = get4byte(&pRoot->aData[pRoot->hdrOffset+8]); - assert( subpage>0 ); pCur->eState = CURSOR_VALID; rc = moveToChild(pCur, subpage); }else{ @@ -40882,6 +41116,8 @@ SQLITE_PRIVATE int sqlite3BtreeMovetoUnpacked( assert( cursorHoldsMutex(pCur) ); assert( sqlite3_mutex_held(pCur->pBtree->db->mutex) ); + assert( pRes ); + assert( (pIdxKey==0)==(pCur->pKeyInfo==0) ); /* If the cursor is already positioned at the point we are trying ** to move to, then just return without doing any work */ @@ -40904,6 +41140,7 @@ SQLITE_PRIVATE int sqlite3BtreeMovetoUnpacked( } assert( pCur->apPage[pCur->iPage] ); assert( pCur->apPage[pCur->iPage]->isInit ); + assert( pCur->apPage[pCur->iPage]->nCell>0 || pCur->eState==CURSOR_INVALID ); if( pCur->eState==CURSOR_INVALID ){ *pRes = -1; assert( pCur->apPage[pCur->iPage]->nCell==0 ); @@ -40914,13 +41151,18 @@ SQLITE_PRIVATE int sqlite3BtreeMovetoUnpacked( int lwr, upr; Pgno chldPg; MemPage *pPage = pCur->apPage[pCur->iPage]; - int c = -1; /* pRes return if table is empty must be -1 */ + int c; + + /* pPage->nCell must be greater than zero. If this is the root-page + ** the cursor would have been INVALID above and this for(;;) loop + ** not run. If this is not the root-page, then the moveToChild() routine + ** would have already detected db corruption. Similarly, pPage must + ** be the right kind (index or table) of b-tree page. Otherwise + ** a moveToChild() or moveToRoot() call would have detected corruption. */ + assert( pPage->nCell>0 ); + assert( pPage->intKey==(pIdxKey==0) ); lwr = 0; upr = pPage->nCell-1; - if( (!pPage->intKey && pIdxKey==0) || upr<0 ){ - rc = SQLITE_CORRUPT_BKPT; - goto moveto_finish; - } if( biasRight ){ pCur->aiIdx[pCur->iPage] = (u16)upr; }else{ @@ -40977,14 +41219,14 @@ SQLITE_PRIVATE int sqlite3BtreeMovetoUnpacked( ** buffer before VdbeRecordCompare() can be called. */ void *pCellKey; u8 * const pCellBody = pCell - pPage->childPtrSize; - sqlite3BtreeParseCellPtr(pPage, pCellBody, &pCur->info); + btreeParseCellPtr(pPage, pCellBody, &pCur->info); nCell = (int)pCur->info.nKey; pCellKey = sqlite3Malloc( nCell ); if( pCellKey==0 ){ rc = SQLITE_NOMEM; goto moveto_finish; } - rc = accessPayload(pCur, 0, nCell, (unsigned char*)pCellKey, 0, 0); + rc = accessPayload(pCur, 0, nCell, (unsigned char*)pCellKey, 0); c = sqlite3VdbeRecordCompare(nCell, pCellKey, pIdxKey); sqlite3_free(pCellKey); if( rc ) goto moveto_finish; @@ -41022,7 +41264,7 @@ SQLITE_PRIVATE int sqlite3BtreeMovetoUnpacked( } if( chldPg==0 ){ assert( pCur->aiIdx[pCur->iPage]<pCur->apPage[pCur->iPage]->nCell ); - if( pRes ) *pRes = c; + *pRes = c; rc = SQLITE_OK; goto moveto_finish; } @@ -41036,38 +41278,6 @@ moveto_finish: return rc; } -/* -** In this version of BtreeMoveto, pKey is a packed index record -** such as is generated by the OP_MakeRecord opcode. Unpack the -** record and then call BtreeMovetoUnpacked() to do the work. -*/ -SQLITE_PRIVATE int sqlite3BtreeMoveto( - BtCursor *pCur, /* Cursor open on the btree to be searched */ - const void *pKey, /* Packed key if the btree is an index */ - i64 nKey, /* Integer key for tables. Size of pKey for indices */ - int bias, /* Bias search to the high end */ - int *pRes /* Write search results here */ -){ - int rc; /* Status code */ - UnpackedRecord *pIdxKey; /* Unpacked index key */ - char aSpace[150]; /* Temp space for pIdxKey - to avoid a malloc */ - - - if( pKey ){ - assert( nKey==(i64)(int)nKey ); - pIdxKey = sqlite3VdbeRecordUnpack(pCur->pKeyInfo, (int)nKey, pKey, - aSpace, sizeof(aSpace)); - if( pIdxKey==0 ) return SQLITE_NOMEM; - }else{ - pIdxKey = 0; - } - rc = sqlite3BtreeMovetoUnpacked(pCur, pIdxKey, nKey, bias, pRes); - if( pKey ){ - sqlite3VdbeDeleteUnpackedRecord(pIdxKey); - } - return rc; -} - /* ** Return TRUE if the cursor is not pointing at an entry of the table. @@ -41105,12 +41315,12 @@ SQLITE_PRIVATE int sqlite3BtreeNext(BtCursor *pCur, int *pRes){ *pRes = 1; return SQLITE_OK; } - if( pCur->skip>0 ){ - pCur->skip = 0; + if( pCur->skipNext>0 ){ + pCur->skipNext = 0; *pRes = 0; return SQLITE_OK; } - pCur->skip = 0; + pCur->skipNext = 0; pPage = pCur->apPage[pCur->iPage]; idx = ++pCur->aiIdx[pCur->iPage]; @@ -41133,7 +41343,7 @@ SQLITE_PRIVATE int sqlite3BtreeNext(BtCursor *pCur, int *pRes){ pCur->eState = CURSOR_INVALID; return SQLITE_OK; } - sqlite3BtreeMoveToParent(pCur); + moveToParent(pCur); pPage = pCur->apPage[pCur->iPage]; }while( pCur->aiIdx[pCur->iPage]>=pPage->nCell ); *pRes = 0; @@ -41173,12 +41383,12 @@ SQLITE_PRIVATE int sqlite3BtreePrevious(BtCursor *pCur, int *pRes){ *pRes = 1; return SQLITE_OK; } - if( pCur->skip<0 ){ - pCur->skip = 0; + if( pCur->skipNext<0 ){ + pCur->skipNext = 0; *pRes = 0; return SQLITE_OK; } - pCur->skip = 0; + pCur->skipNext = 0; pPage = pCur->apPage[pCur->iPage]; assert( pPage->isInit ); @@ -41196,7 +41406,7 @@ SQLITE_PRIVATE int sqlite3BtreePrevious(BtCursor *pCur, int *pRes){ *pRes = 1; return SQLITE_OK; } - sqlite3BtreeMoveToParent(pCur); + moveToParent(pCur); } pCur->info.nSize = 0; pCur->validNKey = 0; @@ -41253,7 +41463,8 @@ static int allocateBtreePage( pPage1 = pBt->pPage1; mxPage = pagerPagecount(pBt); n = get4byte(&pPage1->aData[36]); - if( n>mxPage ){ + testcase( n==mxPage-1 ); + if( n>=mxPage ){ return SQLITE_CORRUPT_BKPT; } if( n>0 ){ @@ -41297,10 +41508,11 @@ static int allocateBtreePage( }else{ iTrunk = get4byte(&pPage1->aData[32]); } + testcase( iTrunk==mxPage ); if( iTrunk>mxPage ){ rc = SQLITE_CORRUPT_BKPT; }else{ - rc = sqlite3BtreeGetPage(pBt, iTrunk, &pTrunk, 0); + rc = btreeGetPage(pBt, iTrunk, &pTrunk, 0); } if( rc ){ pTrunk = 0; @@ -41355,7 +41567,8 @@ static int allocateBtreePage( rc = SQLITE_CORRUPT_BKPT; goto end_allocate_page; } - rc = sqlite3BtreeGetPage(pBt, iNewTrunk, &pNewTrunk, 0); + testcase( iNewTrunk==mxPage ); + rc = btreeGetPage(pBt, iNewTrunk, &pNewTrunk, 0); if( rc!=SQLITE_OK ){ goto end_allocate_page; } @@ -41410,20 +41623,15 @@ static int allocateBtreePage( } iPage = get4byte(&aData[8+closest*4]); + testcase( iPage==mxPage ); if( iPage>mxPage ){ rc = SQLITE_CORRUPT_BKPT; goto end_allocate_page; } + testcase( iPage==mxPage ); if( !searchList || iPage==nearby ){ int noContent; - Pgno nPage; *pPgno = iPage; - nPage = pagerPagecount(pBt); - if( iPage>nPage ){ - /* Free page off the end of the file */ - rc = SQLITE_CORRUPT_BKPT; - goto end_allocate_page; - } TRACE(("ALLOCATE: %d was leaf %d of %d on trunk %d" ": %d more free pages\n", *pPgno, closest+1, k, pTrunk->pgno, n-1)); @@ -41433,7 +41641,7 @@ static int allocateBtreePage( put4byte(&aData[4], k-1); assert( sqlite3PagerIswriteable(pTrunk->pDbPage) ); noContent = !btreeGetHasContent(pBt, *pPgno); - rc = sqlite3BtreeGetPage(pBt, *pPgno, ppPage, noContent); + rc = btreeGetPage(pBt, *pPgno, ppPage, noContent); if( rc==SQLITE_OK ){ rc = sqlite3PagerWrite((*ppPage)->pDbPage); if( rc!=SQLITE_OK ){ @@ -41465,7 +41673,7 @@ static int allocateBtreePage( MemPage *pPg = 0; TRACE(("ALLOCATE: %d from end of file (pointer-map page)\n", *pPgno)); assert( *pPgno!=PENDING_BYTE_PAGE(pBt) ); - rc = sqlite3BtreeGetPage(pBt, *pPgno, &pPg, 0); + rc = btreeGetPage(pBt, *pPgno, &pPg, 0); if( rc==SQLITE_OK ){ rc = sqlite3PagerWrite(pPg->pDbPage); releasePage(pPg); @@ -41477,7 +41685,7 @@ static int allocateBtreePage( #endif assert( *pPgno!=PENDING_BYTE_PAGE(pBt) ); - rc = sqlite3BtreeGetPage(pBt, *pPgno, ppPage, 0); + rc = btreeGetPage(pBt, *pPgno, ppPage, 0); if( rc ) return rc; rc = sqlite3PagerWrite((*ppPage)->pDbPage); if( rc!=SQLITE_OK ){ @@ -41544,7 +41752,7 @@ static int freePage2(BtShared *pBt, MemPage *pMemPage, Pgno iPage){ /* If the SQLITE_SECURE_DELETE compile-time option is enabled, then ** always fully overwrite deleted information with zeros. */ - if( (!pPage && (rc = sqlite3BtreeGetPage(pBt, iPage, &pPage, 0))) + if( (!pPage && (rc = btreeGetPage(pBt, iPage, &pPage, 0))) || (rc = sqlite3PagerWrite(pPage->pDbPage)) ){ goto freepage_out; @@ -41556,7 +41764,7 @@ static int freePage2(BtShared *pBt, MemPage *pMemPage, Pgno iPage){ ** to indicate that the page is free. */ if( ISAUTOVACUUM ){ - rc = ptrmapPut(pBt, iPage, PTRMAP_FREEPAGE, 0); + ptrmapPut(pBt, iPage, PTRMAP_FREEPAGE, 0, &rc); if( rc ) goto freepage_out; } @@ -41568,20 +41776,21 @@ static int freePage2(BtShared *pBt, MemPage *pMemPage, Pgno iPage){ ** is possible to add the page as a new free-list leaf. */ if( nFree!=0 ){ - int nLeaf; /* Initial number of leaf cells on trunk page */ + u32 nLeaf; /* Initial number of leaf cells on trunk page */ iTrunk = get4byte(&pPage1->aData[32]); - rc = sqlite3BtreeGetPage(pBt, iTrunk, &pTrunk, 0); + rc = btreeGetPage(pBt, iTrunk, &pTrunk, 0); if( rc!=SQLITE_OK ){ goto freepage_out; } nLeaf = get4byte(&pTrunk->aData[4]); - if( nLeaf<0 ){ + assert( pBt->usableSize>32 ); + if( nLeaf > (u32)pBt->usableSize/4 - 2 ){ rc = SQLITE_CORRUPT_BKPT; goto freepage_out; } - if( nLeaf<pBt->usableSize/4 - 8 ){ + if( nLeaf < (u32)pBt->usableSize/4 - 8 ){ /* In this case there is room on the trunk page to insert the page ** being freed as a new leaf. ** @@ -41591,7 +41800,7 @@ static int freePage2(BtShared *pBt, MemPage *pMemPage, Pgno iPage){ ** 3.6.0, databases with freelist trunk pages holding more than ** usableSize/4 - 8 entries will be reported as corrupt. In order ** to maintain backwards compatibility with older versions of SQLite, - ** we will contain to restrict the number of entries to usableSize/4 - 8 + ** we will continue to restrict the number of entries to usableSize/4 - 8 ** for now. At some point in the future (once everyone has upgraded ** to 3.6.0 or later) we should consider fixing the conditional above ** to read "usableSize/4-2" instead of "usableSize/4-8". @@ -41618,9 +41827,11 @@ static int freePage2(BtShared *pBt, MemPage *pMemPage, Pgno iPage){ ** first trunk in the free-list is full. Either way, the page being freed ** will become the new first trunk page in the free-list. */ - if( ((!pPage) && (0 != (rc = sqlite3BtreeGetPage(pBt, iPage, &pPage, 0)))) - || (0 != (rc = sqlite3PagerWrite(pPage->pDbPage))) - ){ + if( pPage==0 && SQLITE_OK!=(rc = btreeGetPage(pBt, iPage, &pPage, 0)) ){ + goto freepage_out; + } + rc = sqlite3PagerWrite(pPage->pDbPage); + if( rc!=SQLITE_OK ){ goto freepage_out; } put4byte(pPage->aData, iTrunk); @@ -41636,8 +41847,10 @@ freepage_out: releasePage(pTrunk); return rc; } -static int freePage(MemPage *pPage){ - return freePage2(pPage->pBt, pPage, pPage->pgno); +static void freePage(MemPage *pPage, int *pRC){ + if( (*pRC)==SQLITE_OK ){ + *pRC = freePage2(pPage->pBt, pPage, pPage->pgno); + } } /* @@ -41652,7 +41865,7 @@ static int clearCell(MemPage *pPage, unsigned char *pCell){ u16 ovflPageSize; assert( sqlite3_mutex_held(pPage->pBt->mutex) ); - sqlite3BtreeParseCellPtr(pPage, pCell, &info); + btreeParseCellPtr(pPage, pCell, &info); if( info.iOverflow==0 ){ return SQLITE_OK; /* No overflow pages. Return without doing anything */ } @@ -41735,7 +41948,7 @@ static int fillInCell( nData = nZero = 0; } nHeader += putVarint(&pCell[nHeader], *(u64*)&nKey); - sqlite3BtreeParseCellPtr(pPage, pCell, &info); + btreeParseCellPtr(pPage, pCell, &info); assert( info.nHeader==nHeader ); assert( info.nKey==nKey ); assert( info.nData==(u32)(nData+nZero) ); @@ -41747,8 +41960,8 @@ static int fillInCell( nSrc = nData; nData = 0; }else{ - if( nKey>0x7fffffff || pKey==0 ){ - return SQLITE_CORRUPT; + if( NEVER(nKey>0x7fffffff || pKey==0) ){ + return SQLITE_CORRUPT_BKPT; } nPayload += (int)nKey; pSrc = pKey; @@ -41785,7 +41998,7 @@ static int fillInCell( */ if( pBt->autoVacuum && rc==SQLITE_OK ){ u8 eType = (pgnoPtrmap?PTRMAP_OVERFLOW2:PTRMAP_OVERFLOW1); - rc = ptrmapPut(pBt, pgnoOvfl, eType, pgnoPtrmap); + ptrmapPut(pBt, pgnoOvfl, eType, pgnoPtrmap, &rc); if( rc ){ releasePage(pOvfl); } @@ -41854,12 +42067,15 @@ static int fillInCell( ** ** "sz" must be the number of bytes in the cell. */ -static int dropCell(MemPage *pPage, int idx, int sz){ +static void dropCell(MemPage *pPage, int idx, int sz, int *pRC){ int i; /* Loop counter */ int pc; /* Offset to cell content of cell being deleted */ u8 *data; /* pPage->aData */ u8 *ptr; /* Used to move bytes around within data[] */ int rc; /* The return code */ + int hdr; /* Beginning of the header. 0 most pages. 100 page 1 */ + + if( *pRC ) return; assert( idx>=0 && idx<pPage->nCell ); assert( sz==cellSize(pPage, idx) ); @@ -41868,22 +42084,25 @@ static int dropCell(MemPage *pPage, int idx, int sz){ data = pPage->aData; ptr = &data[pPage->cellOffset + 2*idx]; pc = get2byte(ptr); - if( (pc<pPage->hdrOffset+6+(pPage->leaf?0:4)) - || (pc+sz>pPage->pBt->usableSize) ){ - return SQLITE_CORRUPT_BKPT; + hdr = pPage->hdrOffset; + testcase( pc==get2byte(&data[hdr+5]) ); + testcase( pc+sz==pPage->pBt->usableSize ); + if( pc < get2byte(&data[hdr+5]) || pc+sz > pPage->pBt->usableSize ){ + *pRC = SQLITE_CORRUPT_BKPT; + return; } rc = freeSpace(pPage, pc, sz); - if( rc!=SQLITE_OK ){ - return rc; + if( rc ){ + *pRC = rc; + return; } for(i=idx+1; i<pPage->nCell; i++, ptr+=2){ ptr[0] = ptr[2]; ptr[1] = ptr[3]; } pPage->nCell--; - put2byte(&data[pPage->hdrOffset+3], pPage->nCell); + put2byte(&data[hdr+3], pPage->nCell); pPage->nFree += 2; - return SQLITE_OK; } /* @@ -41903,26 +42122,27 @@ static int dropCell(MemPage *pPage, int idx, int sz){ ** nSkip is non-zero, then pCell may not point to an invalid memory location ** (but pCell+nSkip is always valid). */ -static int insertCell( +static void insertCell( MemPage *pPage, /* Page into which we are copying */ int i, /* New cell becomes the i-th cell of the page */ u8 *pCell, /* Content of the new cell */ int sz, /* Bytes of content in pCell */ u8 *pTemp, /* Temp storage space for pCell, if needed */ - Pgno iChild /* If non-zero, replace first 4 bytes with this value */ + Pgno iChild, /* If non-zero, replace first 4 bytes with this value */ + int *pRC /* Read and write return code from here */ ){ int idx; /* Where to write new cell content in data[] */ int j; /* Loop counter */ - int top; /* First byte of content for any cell in data[] */ int end; /* First byte past the last cell pointer in data[] */ int ins; /* Index in data[] where new cell pointer is inserted */ - int hdr; /* Offset into data[] of the page header */ int cellOffset; /* Address of first cell pointer in data[] */ u8 *data; /* The content of the whole page */ u8 *ptr; /* Used for moving information around in data[] */ int nSkip = (iChild ? 4 : 0); + if( *pRC ) return; + assert( i>=0 && i<=pPage->nCell+pPage->nOverflow ); assert( pPage->nCell<=MX_CELL(pPage->pBt) && MX_CELL(pPage->pBt)<=5460 ); assert( pPage->nOverflow<=ArraySize(pPage->aOvfl) ); @@ -41943,52 +42163,41 @@ static int insertCell( }else{ int rc = sqlite3PagerWrite(pPage->pDbPage); if( rc!=SQLITE_OK ){ - return rc; + *pRC = rc; + return; } assert( sqlite3PagerIswriteable(pPage->pDbPage) ); data = pPage->aData; - hdr = pPage->hdrOffset; - top = get2byte(&data[hdr+5]); cellOffset = pPage->cellOffset; - end = cellOffset + 2*pPage->nCell + 2; + end = cellOffset + 2*pPage->nCell; ins = cellOffset + 2*i; - if( end > top - sz ){ - rc = defragmentPage(pPage); - if( rc!=SQLITE_OK ){ - return rc; - } - top = get2byte(&data[hdr+5]); - assert( end + sz <= top ); - } - idx = allocateSpace(pPage, sz); - assert( idx>0 ); - assert( end <= get2byte(&data[hdr+5]) ); - if (idx+sz > pPage->pBt->usableSize) { - return SQLITE_CORRUPT_BKPT; - } + rc = allocateSpace(pPage, sz, &idx); + if( rc ){ *pRC = rc; return; } + /* The allocateSpace() routine guarantees the following two properties + ** if it returns success */ + assert( idx >= end+2 ); + assert( idx+sz <= pPage->pBt->usableSize ); pPage->nCell++; - pPage->nFree = pPage->nFree - (u16)(2 + sz); + pPage->nFree -= (u16)(2 + sz); memcpy(&data[idx+nSkip], pCell+nSkip, sz-nSkip); if( iChild ){ put4byte(&data[idx], iChild); } - for(j=end-2, ptr=&data[j]; j>ins; j-=2, ptr-=2){ + for(j=end, ptr=&data[j]; j>ins; j-=2, ptr-=2){ ptr[0] = ptr[-2]; ptr[1] = ptr[-1]; } put2byte(&data[ins], idx); - put2byte(&data[hdr+3], pPage->nCell); + put2byte(&data[pPage->hdrOffset+3], pPage->nCell); #ifndef SQLITE_OMIT_AUTOVACUUM if( pPage->pBt->autoVacuum ){ /* The cell may contain a pointer to an overflow page. If so, write ** the entry for the overflow page into the pointer map. */ - return ptrmapPutOvflPtr(pPage, pCell); + ptrmapPutOvflPtr(pPage, pCell, pRC); } #endif } - - return SQLITE_OK; } /* @@ -42054,7 +42263,7 @@ static void assemblePage( ** tree, in other words, when the new entry will become the largest ** entry in the tree. ** -** Instead of trying balance the 3 right-most leaf pages, just add +** Instead of trying to balance the 3 right-most leaf pages, just add ** a new page to the right-hand side and put the one new entry in ** that page. This leaves the right side of the tree somewhat ** unbalanced. But odds are that we will be inserting new entries @@ -42111,9 +42320,9 @@ static int balance_quick(MemPage *pParent, MemPage *pPage, u8 *pSpace){ ** rollback, undoing any changes made to the parent page. */ if( ISAUTOVACUUM ){ - rc = ptrmapPut(pBt, pgnoNew, PTRMAP_BTREE, pParent->pgno); - if( szCell>pNew->minLocal && rc==SQLITE_OK ){ - rc = ptrmapPutOvflPtr(pNew, pCell); + ptrmapPut(pBt, pgnoNew, PTRMAP_BTREE, pParent->pgno, &rc); + if( szCell>pNew->minLocal ){ + ptrmapPutOvflPtr(pNew, pCell, &rc); } } @@ -42137,7 +42346,8 @@ static int balance_quick(MemPage *pParent, MemPage *pPage, u8 *pSpace){ while( ((*(pOut++) = *(pCell++))&0x80) && pCell<pStop ); /* Insert the new divider cell into pParent. */ - insertCell(pParent,pParent->nCell,pSpace,(int)(pOut-pSpace),0,pPage->pgno); + insertCell(pParent, pParent->nCell, pSpace, (int)(pOut-pSpace), + 0, pPage->pgno, &rc); /* Set the right-child pointer of pParent to point to the new page. */ put4byte(&pParent->aData[pParent->hdrOffset+8], pgnoNew); @@ -42170,7 +42380,7 @@ static int ptrmapCheckPages(MemPage **apPage, int nPage){ u8 *z; z = findCell(pPage, j); - sqlite3BtreeParseCellPtr(pPage, z, &info); + btreeParseCellPtr(pPage, z, &info); if( info.iOverflow ){ Pgno ovfl = get4byte(&z[info.iOverflow]); ptrmapGet(pBt, ovfl, &e, &n); @@ -42203,43 +42413,46 @@ static int ptrmapCheckPages(MemPage **apPage, int nPage){ ** If pFrom is currently carrying any overflow cells (entries in the ** MemPage.aOvfl[] array), they are not copied to pTo. ** -** Before returning, page pTo is reinitialized using sqlite3BtreeInitPage(). +** Before returning, page pTo is reinitialized using btreeInitPage(). ** ** The performance of this function is not critical. It is only used by ** the balance_shallower() and balance_deeper() procedures, neither of ** which are called often under normal circumstances. */ -static int copyNodeContent(MemPage *pFrom, MemPage *pTo){ - BtShared * const pBt = pFrom->pBt; - u8 * const aFrom = pFrom->aData; - u8 * const aTo = pTo->aData; - int const iFromHdr = pFrom->hdrOffset; - int const iToHdr = ((pTo->pgno==1) ? 100 : 0); - int rc = SQLITE_OK; - int iData; - - assert( pFrom->isInit ); - assert( pFrom->nFree>=iToHdr ); - assert( get2byte(&aFrom[iFromHdr+5])<=pBt->usableSize ); - - /* Copy the b-tree node content from page pFrom to page pTo. */ - iData = get2byte(&aFrom[iFromHdr+5]); - memcpy(&aTo[iData], &aFrom[iData], pBt->usableSize-iData); - memcpy(&aTo[iToHdr], &aFrom[iFromHdr], pFrom->cellOffset + 2*pFrom->nCell); - - /* Reinitialize page pTo so that the contents of the MemPage structure - ** match the new data. The initialization of pTo "cannot" fail, as the - ** data copied from pFrom is known to be valid. */ - pTo->isInit = 0; - TESTONLY(rc = ) sqlite3BtreeInitPage(pTo); - assert( rc==SQLITE_OK ); - - /* If this is an auto-vacuum database, update the pointer-map entries - ** for any b-tree or overflow pages that pTo now contains the pointers to. */ - if( ISAUTOVACUUM ){ - rc = setChildPtrmaps(pTo); +static void copyNodeContent(MemPage *pFrom, MemPage *pTo, int *pRC){ + if( (*pRC)==SQLITE_OK ){ + BtShared * const pBt = pFrom->pBt; + u8 * const aFrom = pFrom->aData; + u8 * const aTo = pTo->aData; + int const iFromHdr = pFrom->hdrOffset; + int const iToHdr = ((pTo->pgno==1) ? 100 : 0); + TESTONLY(int rc;) + int iData; + + + assert( pFrom->isInit ); + assert( pFrom->nFree>=iToHdr ); + assert( get2byte(&aFrom[iFromHdr+5])<=pBt->usableSize ); + + /* Copy the b-tree node content from page pFrom to page pTo. */ + iData = get2byte(&aFrom[iFromHdr+5]); + memcpy(&aTo[iData], &aFrom[iData], pBt->usableSize-iData); + memcpy(&aTo[iToHdr], &aFrom[iFromHdr], pFrom->cellOffset + 2*pFrom->nCell); + + /* Reinitialize page pTo so that the contents of the MemPage structure + ** match the new data. The initialization of pTo "cannot" fail, as the + ** data copied from pFrom is known to be valid. */ + pTo->isInit = 0; + TESTONLY(rc = ) btreeInitPage(pTo); + assert( rc==SQLITE_OK ); + + /* If this is an auto-vacuum database, update the pointer-map entries + ** for any b-tree or overflow pages that pTo now contains the pointers to. + */ + if( ISAUTOVACUUM ){ + *pRC = setChildPtrmaps(pTo); + } } - return rc; } /* @@ -42271,9 +42484,9 @@ static int copyNodeContent(MemPage *pFrom, MemPage *pTo){ ** be rolled back. ** ** The third argument to this function, aOvflSpace, is a pointer to a -** buffer page-size bytes in size. If, in inserting cells into the parent -** page (pParent), the parent page becomes overfull, this buffer is -** used to store the parents overflow cells. Because this function inserts +** buffer big enough to hold one page. If while inserting cells into the parent +** page (pParent) the parent page becomes overfull, this buffer is +** used to store the parent's overflow cells. Because this function inserts ** a maximum of four divider cells into the parent page, and the maximum ** size of a cell stored within an internal node is always less than 1/4 ** of the page-size, the aOvflSpace[] buffer is guaranteed to be large @@ -42327,7 +42540,8 @@ static int balance_nonroot( /* At this point pParent may have at most one overflow cell. And if ** this overflow cell is present, it must be the cell with ** index iParentIdx. This scenario comes about when this function - ** is called (indirectly) from sqlite3BtreeDelete(). */ + ** is called (indirectly) from sqlite3BtreeDelete(). + */ assert( pParent->nOverflow==0 || pParent->nOverflow==1 ); assert( pParent->nOverflow==0 || pParent->aOvfl[0].idx==iParentIdx ); @@ -42343,8 +42557,9 @@ static int balance_nonroot( ** ** This loop also drops the divider cells from the parent page. This ** way, the remainder of the function does not have to deal with any - ** overflow cells in the parent page, as if one existed it has already - ** been removed. */ + ** overflow cells in the parent page, since if any existed they will + ** have already been removed. + */ i = pParent->nOverflow + pParent->nCell; if( i<2 ){ nxDiv = 0; @@ -42369,13 +42584,13 @@ static int balance_nonroot( while( 1 ){ rc = getAndInitPage(pBt, pgno, &apOld[i]); if( rc ){ - memset(apOld, 0, i*sizeof(MemPage*)); + memset(apOld, 0, (i+1)*sizeof(MemPage*)); goto balance_cleanup; } nMaxCells += 1+apOld[i]->nCell+apOld[i]->nOverflow; if( (i--)==0 ) break; - if( pParent->nOverflow && i+nxDiv==pParent->aOvfl[0].idx ){ + if( i+nxDiv==pParent->aOvfl[0].idx && pParent->nOverflow ){ apDiv[i] = pParent->aOvfl[0].pCell; pgno = get4byte(apDiv[i]); szNew[i] = cellSizePtr(pParent, apDiv[i]); @@ -42401,7 +42616,7 @@ static int balance_nonroot( memcpy(&aOvflSpace[apDiv[i]-pParent->aData], apDiv[i], szNew[i]); apDiv[i] = &aOvflSpace[apDiv[i]-pParent->aData]; #endif - dropCell(pParent, i+nxDiv-pParent->nOverflow, szNew[i]); + dropCell(pParent, i+nxDiv-pParent->nOverflow, szNew[i], &rc); } } @@ -42595,7 +42810,7 @@ static int balance_nonroot( /* Set the pointer-map entry for the new sibling page. */ if( ISAUTOVACUUM ){ - rc = ptrmapPut(pBt, pNew->pgno, PTRMAP_BTREE, pParent->pgno); + ptrmapPut(pBt, pNew->pgno, PTRMAP_BTREE, pParent->pgno, &rc); if( rc!=SQLITE_OK ){ goto balance_cleanup; } @@ -42606,7 +42821,7 @@ static int balance_nonroot( /* Free any old pages that were not reused as new pages. */ while( i<nOld ){ - rc = freePage(apOld[i]); + freePage(apOld[i], &rc); if( rc ) goto balance_cleanup; releasePage(apOld[i]); apOld[i] = 0; @@ -42694,7 +42909,7 @@ static int balance_nonroot( */ CellInfo info; j--; - sqlite3BtreeParseCellPtr(pNew, apCell[j], &info); + btreeParseCellPtr(pNew, apCell[j], &info); pCell = pTemp; sz = 4 + putVarint(&pCell[4], info.nKey); pTemp = 0; @@ -42703,7 +42918,7 @@ static int balance_nonroot( /* Obscure case for non-leaf-data trees: If the cell at pCell was ** previously stored on a leaf node, and its reported size was 4 ** bytes, then it may actually be smaller than this - ** (see sqlite3BtreeParseCellPtr(), 4 bytes is the minimum size of + ** (see btreeParseCellPtr(), 4 bytes is the minimum size of ** any cell). But it is important to pass the correct size to ** insertCell(), so reparse the cell now. ** @@ -42719,7 +42934,7 @@ static int balance_nonroot( iOvflSpace += sz; assert( sz<=pBt->pageSize/4 ); assert( iOvflSpace<=pBt->pageSize ); - rc = insertCell(pParent, nxDiv, pCell, sz, pTemp, pNew->pgno); + insertCell(pParent, nxDiv, pCell, sz, pTemp, pNew->pgno, &rc); if( rc!=SQLITE_OK ) goto balance_cleanup; assert( sqlite3PagerIswriteable(pParent->pDbPage) ); @@ -42754,9 +42969,8 @@ static int balance_nonroot( assert( apNew[0]->nFree == (get2byte(&apNew[0]->aData[5])-apNew[0]->cellOffset-apNew[0]->nCell*2) ); - if( SQLITE_OK==(rc = copyNodeContent(apNew[0], pParent)) ){ - rc = freePage(apNew[0]); - } + copyNodeContent(apNew[0], pParent, &rc); + freePage(apNew[0], &rc); }else if( ISAUTOVACUUM ){ /* Fix the pointer-map entries for all the cells that were shifted around. ** There are several different types of pointer-map entries that need to @@ -42796,7 +43010,7 @@ static int balance_nonroot( int iOverflow = (nOverflow ? pOld->aOvfl[0].idx : -1); j = 0; /* Current 'old' sibling page */ k = 0; /* Current 'new' sibling page */ - for(i=0; i<nCell && rc==SQLITE_OK; i++){ + for(i=0; i<nCell; i++){ int isDivider = 0; while( i==iNextOld ){ /* Cell i is the cell immediately following the last cell on old @@ -42828,7 +43042,6 @@ static int balance_nonroot( pNew = apNew[++k]; if( !leafData ) continue; } - assert( rc==SQLITE_OK ); assert( j<nOld ); assert( k<nNew ); @@ -42838,18 +43051,18 @@ static int balance_nonroot( ** with any child or overflow pages need to be updated. */ if( isDivider || pOld->pgno!=pNew->pgno ){ if( !leafCorrection ){ - rc = ptrmapPut(pBt, get4byte(apCell[i]), PTRMAP_BTREE, pNew->pgno); + ptrmapPut(pBt, get4byte(apCell[i]), PTRMAP_BTREE, pNew->pgno, &rc); } - if( szCell[i]>pNew->minLocal && rc==SQLITE_OK ){ - rc = ptrmapPutOvflPtr(pNew, apCell[i]); + if( szCell[i]>pNew->minLocal ){ + ptrmapPutOvflPtr(pNew, apCell[i], &rc); } } } if( !leafCorrection ){ - for(i=0; rc==SQLITE_OK && i<nNew; i++){ - rc = ptrmapPut( - pBt, get4byte(&apNew[i]->aData[8]), PTRMAP_BTREE, apNew[i]->pgno); + for(i=0; i<nNew; i++){ + u32 key = get4byte(&apNew[i]->aData[8]); + ptrmapPut(pBt, key, PTRMAP_BTREE, apNew[i]->pgno, &rc); } } @@ -42905,7 +43118,7 @@ balance_cleanup: static int balance_deeper(MemPage *pRoot, MemPage **ppChild){ int rc; /* Return value from subprocedures */ MemPage *pChild = 0; /* Pointer to a new child page */ - Pgno pgnoChild; /* Page number of the new child page */ + Pgno pgnoChild = 0; /* Page number of the new child page */ BtShared *pBt = pRoot->pBt; /* The BTree */ assert( pRoot->nOverflow>0 ); @@ -42915,12 +43128,15 @@ static int balance_deeper(MemPage *pRoot, MemPage **ppChild){ ** page that will become the new right-child of pPage. Copy the contents ** of the node stored on pRoot into the new child page. */ - if( SQLITE_OK!=(rc = sqlite3PagerWrite(pRoot->pDbPage)) - || SQLITE_OK!=(rc = allocateBtreePage(pBt,&pChild,&pgnoChild,pRoot->pgno,0)) - || SQLITE_OK!=(rc = copyNodeContent(pRoot, pChild)) - || (ISAUTOVACUUM && - SQLITE_OK!=(rc = ptrmapPut(pBt, pgnoChild, PTRMAP_BTREE, pRoot->pgno))) - ){ + rc = sqlite3PagerWrite(pRoot->pDbPage); + if( rc==SQLITE_OK ){ + rc = allocateBtreePage(pBt,&pChild,&pgnoChild,pRoot->pgno,0); + copyNodeContent(pRoot, pChild, &rc); + if( ISAUTOVACUUM ){ + ptrmapPut(pBt, pgnoChild, PTRMAP_BTREE, pRoot->pgno, &rc); + } + } + if( rc ){ *ppChild = 0; releasePage(pChild); return rc; @@ -43065,75 +43281,6 @@ static int balance(BtCursor *pCur){ return rc; } -/* -** This routine checks all cursors that point to table pgnoRoot. -** If any of those cursors were opened with wrFlag==0 in a different -** database connection (a database connection that shares the pager -** cache with the current connection) and that other connection -** is not in the ReadUncommmitted state, then this routine returns -** SQLITE_LOCKED. -** -** As well as cursors with wrFlag==0, cursors with -** isIncrblobHandle==1 are also considered 'read' cursors because -** incremental blob cursors are used for both reading and writing. -** -** When pgnoRoot is the root page of an intkey table, this function is also -** responsible for invalidating incremental blob cursors when the table row -** on which they are opened is deleted or modified. Cursors are invalidated -** according to the following rules: -** -** 1) When BtreeClearTable() is called to completely delete the contents -** of a B-Tree table, pExclude is set to zero and parameter iRow is -** set to non-zero. In this case all incremental blob cursors open -** on the table rooted at pgnoRoot are invalidated. -** -** 2) When BtreeInsert(), BtreeDelete() or BtreePutData() is called to -** modify a table row via an SQL statement, pExclude is set to the -** write cursor used to do the modification and parameter iRow is set -** to the integer row id of the B-Tree entry being modified. Unless -** pExclude is itself an incremental blob cursor, then all incremental -** blob cursors open on row iRow of the B-Tree are invalidated. -** -** 3) If both pExclude and iRow are set to zero, no incremental blob -** cursors are invalidated. -*/ -static int checkForReadConflicts( - Btree *pBtree, /* The database file to check */ - Pgno pgnoRoot, /* Look for read cursors on this btree */ - BtCursor *pExclude, /* Ignore this cursor */ - i64 iRow /* The rowid that might be changing */ -){ - BtCursor *p; - BtShared *pBt = pBtree->pBt; - sqlite3 *db = pBtree->db; - assert( sqlite3BtreeHoldsMutex(pBtree) ); - for(p=pBt->pCursor; p; p=p->pNext){ - if( p==pExclude ) continue; - if( p->pgnoRoot!=pgnoRoot ) continue; -#ifndef SQLITE_OMIT_INCRBLOB - if( p->isIncrblobHandle && ( - (!pExclude && iRow) - || (pExclude && !pExclude->isIncrblobHandle && p->info.nKey==iRow) - )){ - p->eState = CURSOR_INVALID; - } -#endif - if( p->eState!=CURSOR_VALID ) continue; - if( p->wrFlag==0 -#ifndef SQLITE_OMIT_INCRBLOB - || p->isIncrblobHandle -#endif - ){ - sqlite3 *dbOther = p->pBtree->db; - assert(dbOther); - if( dbOther!=db && (dbOther->flags & SQLITE_ReadUncommitted)==0 ){ - sqlite3ConnectionBlocked(db, dbOther); - return SQLITE_LOCKED_SHAREDCACHE; - } - } - } - return SQLITE_OK; -} /* ** Insert a new record into the BTree. The key is given by (pKey,nKey) @@ -43145,7 +43292,7 @@ static int checkForReadConflicts( ** ignored. For a ZERODATA table, the pData and nData are both ignored. ** ** If the seekResult parameter is non-zero, then a successful call to -** sqlite3BtreeMoveto() to seek cursor pCur to (pKey, nKey) has already +** MovetoUnpacked() to seek cursor pCur to (pKey, nKey) has already ** been performed. seekResult is the search result returned (a negative ** number if pCur points at an entry that is smaller than (pKey, nKey), or ** a positive value if pCur points at an etry that is larger than @@ -43161,7 +43308,7 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( const void *pData, int nData, /* The data of the new record */ int nZero, /* Number of extra 0 bytes to append to data */ int appendBias, /* True if this is likely an append */ - int seekResult /* Result of prior sqlite3BtreeMoveto() call */ + int seekResult /* Result of prior MovetoUnpacked() call */ ){ int rc; int loc = seekResult; @@ -43173,42 +43320,52 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( unsigned char *oldCell; unsigned char *newCell = 0; - assert( cursorHoldsMutex(pCur) ); - assert( pBt->inTransaction==TRANS_WRITE ); - assert( !pBt->readOnly ); - assert( pCur->wrFlag ); - rc = checkForReadConflicts(pCur->pBtree, pCur->pgnoRoot, pCur, nKey); - if( rc ){ - /* The table pCur points to has a read lock */ - assert( rc==SQLITE_LOCKED_SHAREDCACHE ); - return rc; - } if( pCur->eState==CURSOR_FAULT ){ - return pCur->skip; + assert( pCur->skipNext!=SQLITE_OK ); + return pCur->skipNext; + } + + assert( cursorHoldsMutex(pCur) ); + assert( pCur->wrFlag && pBt->inTransaction==TRANS_WRITE && !pBt->readOnly ); + assert( hasSharedCacheTableLock(p, pCur->pgnoRoot, pCur->pKeyInfo!=0, 2) ); + + /* Assert that the caller has been consistent. If this cursor was opened + ** expecting an index b-tree, then the caller should be inserting blob + ** keys with no associated data. If the cursor was opened expecting an + ** intkey table, the caller should be inserting integer keys with a + ** blob of associated data. */ + assert( (pKey==0)==(pCur->pKeyInfo==0) ); + + /* If this is an insert into a table b-tree, invalidate any incrblob + ** cursors open on the row being replaced (assuming this is a replace + ** operation - if it is not, the following is a no-op). */ + if( pCur->pKeyInfo==0 ){ + invalidateIncrblobCursors(p, nKey, 0); } /* Save the positions of any other cursors open on this table. ** - ** In some cases, the call to sqlite3BtreeMoveto() below is a no-op. For + ** In some cases, the call to btreeMoveto() below is a no-op. For ** example, when inserting data into a table with auto-generated integer ** keys, the VDBE layer invokes sqlite3BtreeLast() to figure out the ** integer key to use. It then calls this function to actually insert the - ** data into the intkey B-Tree. In this case sqlite3BtreeMoveto() recognizes + ** data into the intkey B-Tree. In this case btreeMoveto() recognizes ** that the cursor is already where it needs to be and returns without ** doing any work. To avoid thwarting these optimizations, it is important ** not to clear the cursor here. */ - if( - SQLITE_OK!=(rc = saveAllCursors(pBt, pCur->pgnoRoot, pCur)) || (!loc && - SQLITE_OK!=(rc = sqlite3BtreeMoveto(pCur, pKey, nKey, appendBias, &loc)) - )){ - return rc; + rc = saveAllCursors(pBt, pCur->pgnoRoot, pCur); + if( rc ) return rc; + if( !loc ){ + rc = btreeMoveto(pCur, pKey, nKey, appendBias, &loc); + if( rc ) return rc; } assert( pCur->eState==CURSOR_VALID || (pCur->eState==CURSOR_INVALID && loc) ); pPage = pCur->apPage[pCur->iPage]; assert( pPage->intKey || nKey>=0 ); assert( pPage->leaf || !pPage->intKey ); + TRACE(("INSERT: table=%d nkey=%lld ndata=%d page=%d %s\n", pCur->pgnoRoot, nKey, nData, pPage->pgno, loc==0 ? "overwrite" : "new entry")); @@ -43234,18 +43391,15 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( } szOld = cellSizePtr(pPage, oldCell); rc = clearCell(pPage, oldCell); + dropCell(pPage, idx, szOld, &rc); if( rc ) goto end_insert; - rc = dropCell(pPage, idx, szOld); - if( rc!=SQLITE_OK ) { - goto end_insert; - } }else if( loc<0 && pPage->nCell>0 ){ assert( pPage->leaf ); idx = ++pCur->aiIdx[pCur->iPage]; }else{ assert( pPage->leaf ); } - rc = insertCell(pPage, idx, newCell, szNew, 0, 0); + insertCell(pPage, idx, newCell, szNew, 0, 0, &rc); assert( rc!=SQLITE_OK || pPage->nCell>0 || pPage->nOverflow>0 ); /* If no error has occured and pPage has an overflow cell, call balance() @@ -43303,16 +43457,19 @@ SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor *pCur){ assert( pBt->inTransaction==TRANS_WRITE ); assert( !pBt->readOnly ); assert( pCur->wrFlag ); + assert( hasSharedCacheTableLock(p, pCur->pgnoRoot, pCur->pKeyInfo!=0, 2) ); + assert( !hasReadConflicts(p, pCur->pgnoRoot) ); + if( NEVER(pCur->aiIdx[pCur->iPage]>=pCur->apPage[pCur->iPage]->nCell) || NEVER(pCur->eState!=CURSOR_VALID) ){ return SQLITE_ERROR; /* Something has gone awry. */ } - rc = checkForReadConflicts(p, pCur->pgnoRoot, pCur, pCur->info.nKey); - if( rc!=SQLITE_OK ){ - assert( rc==SQLITE_LOCKED_SHAREDCACHE ); - return rc; /* The table pCur points to has a read lock */ + /* If this is a delete operation to remove a row from a table b-tree, + ** invalidate any incrblob cursors open on the row being deleted. */ + if( pCur->pKeyInfo==0 ){ + invalidateIncrblobCursors(p, pCur->info.nKey, 0); } iCellDepth = pCur->iPage; @@ -43329,22 +43486,22 @@ SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor *pCur){ ** balancing the tree following the delete operation easier. */ if( !pPage->leaf ){ int notUsed; - if( SQLITE_OK!=(rc = sqlite3BtreePrevious(pCur, ¬Used)) ){ - return rc; - } + rc = sqlite3BtreePrevious(pCur, ¬Used); + if( rc ) return rc; } /* Save the positions of any other cursors open on this table before ** making any modifications. Make the page containing the entry to be ** deleted writable. Then free any overflow pages associated with the - ** entry and finally remove the cell itself from within the page. */ - if( SQLITE_OK!=(rc = saveAllCursors(pBt, pCur->pgnoRoot, pCur)) - || SQLITE_OK!=(rc = sqlite3PagerWrite(pPage->pDbPage)) - || SQLITE_OK!=(rc = clearCell(pPage, pCell)) - || SQLITE_OK!=(rc = dropCell(pPage, iCellIdx, cellSizePtr(pPage, pCell))) - ){ - return rc; - } + ** entry and finally remove the cell itself from within the page. + */ + rc = saveAllCursors(pBt, pCur->pgnoRoot, pCur); + if( rc ) return rc; + rc = sqlite3PagerWrite(pPage->pDbPage); + if( rc ) return rc; + rc = clearCell(pPage, pCell); + dropCell(pPage, iCellIdx, cellSizePtr(pPage, pCell), &rc); + if( rc ) return rc; /* If the cell deleted was not located on a leaf page, then the cursor ** is currently pointing to the largest entry in the sub-tree headed @@ -43364,12 +43521,10 @@ SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor *pCur){ allocateTempSpace(pBt); pTmp = pBt->pTmpSpace; - if( SQLITE_OK!=(rc = sqlite3PagerWrite(pLeaf->pDbPage)) - || SQLITE_OK!=(rc = insertCell(pPage, iCellIdx, pCell-4, nCell+4, pTmp, n)) - || SQLITE_OK!=(rc = dropCell(pLeaf, pLeaf->nCell-1, nCell)) - ){ - return rc; - } + rc = sqlite3PagerWrite(pLeaf->pDbPage); + insertCell(pPage, iCellIdx, pCell-4, nCell+4, pTmp, n, &rc); + dropCell(pLeaf, pLeaf->nCell-1, nCell, &rc); + if( rc ) return rc; } /* Balance the tree. If the entry deleted was located on a leaf page, @@ -43443,10 +43598,7 @@ static int btreeCreateTable(Btree *p, int *piTable, int flags){ ** root page of the new table should go. meta[3] is the largest root-page ** created so far, so the new root-page is (meta[3]+1). */ - rc = sqlite3BtreeGetMeta(p, BTREE_LARGEST_ROOT_PAGE, &pgnoRoot); - if( rc!=SQLITE_OK ){ - return rc; - } + sqlite3BtreeGetMeta(p, BTREE_LARGEST_ROOT_PAGE, &pgnoRoot); pgnoRoot++; /* The new root-page may not be allocated on a pointer-map page, or the @@ -43474,13 +43626,13 @@ static int btreeCreateTable(Btree *p, int *piTable, int flags){ ** by extending the file), the current page at position pgnoMove ** is already journaled. */ - u8 eType; - Pgno iPtrPage; + u8 eType = 0; + Pgno iPtrPage = 0; releasePage(pPageMove); /* Move the page currently at pgnoRoot to pgnoMove. */ - rc = sqlite3BtreeGetPage(pBt, pgnoRoot, &pRoot, 0); + rc = btreeGetPage(pBt, pgnoRoot, &pRoot, 0); if( rc!=SQLITE_OK ){ return rc; } @@ -43501,7 +43653,7 @@ static int btreeCreateTable(Btree *p, int *piTable, int flags){ if( rc!=SQLITE_OK ){ return rc; } - rc = sqlite3BtreeGetPage(pBt, pgnoRoot, &pRoot, 0); + rc = btreeGetPage(pBt, pgnoRoot, &pRoot, 0); if( rc!=SQLITE_OK ){ return rc; } @@ -43515,7 +43667,7 @@ static int btreeCreateTable(Btree *p, int *piTable, int flags){ } /* Update the pointer-map and meta-data with the new root-page number. */ - rc = ptrmapPut(pBt, pgnoRoot, PTRMAP_ROOTPAGE, 0); + ptrmapPut(pBt, pgnoRoot, PTRMAP_ROOTPAGE, 0, &rc); if( rc ){ releasePage(pRoot); return rc; @@ -43555,7 +43707,7 @@ static int clearDatabasePage( int freePageFlag, /* Deallocate page if true */ int *pnChange ){ - MemPage *pPage = 0; + MemPage *pPage; int rc; unsigned char *pCell; int i; @@ -43566,7 +43718,7 @@ static int clearDatabasePage( } rc = getAndInitPage(pBt, pgno, &pPage); - if( rc ) goto cleardatabasepage_out; + if( rc ) return rc; for(i=0; i<pPage->nCell; i++){ pCell = findCell(pPage, i); if( !pPage->leaf ){ @@ -43584,7 +43736,7 @@ static int clearDatabasePage( *pnChange += pPage->nCell; } if( freePageFlag ){ - rc = freePage(pPage); + freePage(pPage, &rc); }else if( (rc = sqlite3PagerWrite(pPage->pDbPage))==0 ){ zeroPage(pPage, pPage->aData[0] | PTF_LEAF); } @@ -43612,11 +43764,14 @@ SQLITE_PRIVATE int sqlite3BtreeClearTable(Btree *p, int iTable, int *pnChange){ BtShared *pBt = p->pBt; sqlite3BtreeEnter(p); assert( p->inTrans==TRANS_WRITE ); - if( (rc = checkForReadConflicts(p, iTable, 0, 1))!=SQLITE_OK ){ - /* nothing to do */ - }else if( SQLITE_OK!=(rc = saveAllCursors(pBt, iTable, 0)) ){ - /* nothing to do */ - }else{ + + /* Invalidate all incrblob cursors open on table iTable (assuming iTable + ** is the root of a table b-tree - if it is not, the following call is + ** a no-op). */ + invalidateIncrblobCursors(p, 0, 1); + + rc = saveAllCursors(pBt, (Pgno)iTable, 0); + if( SQLITE_OK==rc ){ rc = clearDatabasePage(pBt, (Pgno)iTable, 0, pnChange); } sqlite3BtreeLeave(p); @@ -43656,13 +43811,15 @@ static int btreeDropTable(Btree *p, Pgno iTable, int *piMoved){ ** need to move another root-page to fill a gap left by the deleted ** root page. If an open cursor was using this page a problem would ** occur. + ** + ** This error is caught long before control reaches this point. */ - if( pBt->pCursor ){ + if( NEVER(pBt->pCursor) ){ sqlite3ConnectionBlocked(p->db, pBt->pCursor->pBtree->db); return SQLITE_LOCKED_SHAREDCACHE; } - rc = sqlite3BtreeGetPage(pBt, (Pgno)iTable, &pPage, 0); + rc = btreeGetPage(pBt, (Pgno)iTable, &pPage, 0); if( rc ) return rc; rc = sqlite3BtreeClearTable(p, iTable, 0); if( rc ){ @@ -43674,22 +43831,18 @@ static int btreeDropTable(Btree *p, Pgno iTable, int *piMoved){ if( iTable>1 ){ #ifdef SQLITE_OMIT_AUTOVACUUM - rc = freePage(pPage); + freePage(pPage, &rc); releasePage(pPage); #else if( pBt->autoVacuum ){ Pgno maxRootPgno; - rc = sqlite3BtreeGetMeta(p, BTREE_LARGEST_ROOT_PAGE, &maxRootPgno); - if( rc!=SQLITE_OK ){ - releasePage(pPage); - return rc; - } + sqlite3BtreeGetMeta(p, BTREE_LARGEST_ROOT_PAGE, &maxRootPgno); if( iTable==maxRootPgno ){ /* If the table being dropped is the table with the largest root-page ** number in the database, put the root page on the free list. */ - rc = freePage(pPage); + freePage(pPage, &rc); releasePage(pPage); if( rc!=SQLITE_OK ){ return rc; @@ -43701,7 +43854,7 @@ static int btreeDropTable(Btree *p, Pgno iTable, int *piMoved){ */ MemPage *pMove; releasePage(pPage); - rc = sqlite3BtreeGetPage(pBt, maxRootPgno, &pMove, 0); + rc = btreeGetPage(pBt, maxRootPgno, &pMove, 0); if( rc!=SQLITE_OK ){ return rc; } @@ -43710,11 +43863,9 @@ static int btreeDropTable(Btree *p, Pgno iTable, int *piMoved){ if( rc!=SQLITE_OK ){ return rc; } - rc = sqlite3BtreeGetPage(pBt, maxRootPgno, &pMove, 0); - if( rc!=SQLITE_OK ){ - return rc; - } - rc = freePage(pMove); + pMove = 0; + rc = btreeGetPage(pBt, maxRootPgno, &pMove, 0); + freePage(pMove, &rc); releasePage(pMove); if( rc!=SQLITE_OK ){ return rc; @@ -43728,22 +43879,23 @@ static int btreeDropTable(Btree *p, Pgno iTable, int *piMoved){ ** PENDING_BYTE_PAGE. */ maxRootPgno--; - if( maxRootPgno==PENDING_BYTE_PAGE(pBt) ){ - maxRootPgno--; - } - if( maxRootPgno==PTRMAP_PAGENO(pBt, maxRootPgno) ){ + while( maxRootPgno==PENDING_BYTE_PAGE(pBt) + || PTRMAP_ISPAGE(pBt, maxRootPgno) ){ maxRootPgno--; } assert( maxRootPgno!=PENDING_BYTE_PAGE(pBt) ); rc = sqlite3BtreeUpdateMeta(p, 4, maxRootPgno); }else{ - rc = freePage(pPage); + freePage(pPage, &rc); releasePage(pPage); } #endif }else{ - /* If sqlite3BtreeDropTable was called on page 1. */ + /* If sqlite3BtreeDropTable was called on page 1. + ** This really never should happen except in a corrupt + ** database. + */ zeroPage(pPage, PTF_INTKEY|PTF_LEAF ); releasePage(pPage); } @@ -43759,6 +43911,9 @@ SQLITE_PRIVATE int sqlite3BtreeDropTable(Btree *p, int iTable, int *piMoved){ /* +** This function may only be called if the b-tree connection already +** has a read or write transaction open on the database. +** ** Read the meta-information out of a database file. Meta[0] ** is the number of free pages currently in the database. Meta[1] ** through meta[15] are available for use by higher layers. Meta[0] @@ -43768,71 +43923,24 @@ SQLITE_PRIVATE int sqlite3BtreeDropTable(Btree *p, int iTable, int *piMoved){ ** layer (and the SetCookie and ReadCookie opcodes) the number of ** free pages is not visible. So Cookie[0] is the same as Meta[1]. */ -SQLITE_PRIVATE int sqlite3BtreeGetMeta(Btree *p, int idx, u32 *pMeta){ - DbPage *pDbPage = 0; - int rc; - unsigned char *pP1; +SQLITE_PRIVATE void sqlite3BtreeGetMeta(Btree *p, int idx, u32 *pMeta){ BtShared *pBt = p->pBt; sqlite3BtreeEnter(p); - - /* Reading a meta-data value requires a read-lock on page 1 (and hence - ** the sqlite_master table. We grab this lock regardless of whether or - ** not the SQLITE_ReadUncommitted flag is set (the table rooted at page - ** 1 is treated as a special case by querySharedCacheTableLock() - ** and setSharedCacheTableLock()). - */ - rc = querySharedCacheTableLock(p, 1, READ_LOCK); - if( rc!=SQLITE_OK ){ - sqlite3BtreeLeave(p); - return rc; - } - + assert( p->inTrans>TRANS_NONE ); + assert( SQLITE_OK==querySharedCacheTableLock(p, MASTER_ROOT, READ_LOCK) ); + assert( pBt->pPage1 ); assert( idx>=0 && idx<=15 ); - if( pBt->pPage1 ){ - /* The b-tree is already holding a reference to page 1 of the database - ** file. In this case the required meta-data value can be read directly - ** from the page data of this reference. This is slightly faster than - ** requesting a new reference from the pager layer. - */ - pP1 = (unsigned char *)pBt->pPage1->aData; - }else{ - /* The b-tree does not have a reference to page 1 of the database file. - ** Obtain one from the pager layer. - */ - rc = sqlite3PagerGet(pBt->pPager, 1, &pDbPage); - if( rc ){ - sqlite3BtreeLeave(p); - return rc; - } - pP1 = (unsigned char *)sqlite3PagerGetData(pDbPage); - } - *pMeta = get4byte(&pP1[36 + idx*4]); - /* If the b-tree is not holding a reference to page 1, then one was - ** requested from the pager layer in the above block. Release it now. - */ - if( !pBt->pPage1 ){ - sqlite3PagerUnref(pDbPage); - } + *pMeta = get4byte(&pBt->pPage1->aData[36 + idx*4]); - /* If autovacuumed is disabled in this build but we are trying to - ** access an autovacuumed database, then make the database readonly. - */ + /* If auto-vacuum is disabled in this build and this is an auto-vacuum + ** database, mark the database as read-only. */ #ifdef SQLITE_OMIT_AUTOVACUUM if( idx==BTREE_LARGEST_ROOT_PAGE && *pMeta>0 ) pBt->readOnly = 1; #endif - /* If there is currently an open transaction, grab a read-lock - ** on page 1 of the database file. This is done to make sure that - ** no other connection can modify the meta value just read from - ** the database until the transaction is concluded. - */ - if( p->inTrans>0 ){ - rc = setSharedCacheTableLock(p, 1, READ_LOCK); - } sqlite3BtreeLeave(p); - return rc; } /* @@ -43863,23 +43971,6 @@ SQLITE_PRIVATE int sqlite3BtreeUpdateMeta(Btree *p, int idx, u32 iMeta){ return rc; } -/* -** Return the flag byte at the beginning of the page that the cursor -** is currently pointing to. -*/ -SQLITE_PRIVATE int sqlite3BtreeFlags(BtCursor *pCur){ - /* TODO: What about CURSOR_REQUIRESEEK state? Probably need to call - ** restoreCursorPosition() here. - */ - MemPage *pPage; - restoreCursorPosition(pCur); - pPage = pCur->apPage[pCur->iPage]; - assert( cursorHoldsMutex(pCur) ); - assert( pPage!=0 ); - assert( pPage->pBt==pCur->pBt ); - return pPage->aData[pPage->hdrOffset]; -} - #ifndef SQLITE_OMIT_BTREECOUNT /* ** The first argument, pCur, is a cursor opened on some b-tree. Count the @@ -43927,7 +44018,7 @@ SQLITE_PRIVATE int sqlite3BtreeCount(BtCursor *pCur, i64 *pnEntry){ *pnEntry = nEntry; return SQLITE_OK; } - sqlite3BtreeMoveToParent(pCur); + moveToParent(pCur); }while ( pCur->aiIdx[pCur->iPage]>=pCur->apPage[pCur->iPage]->nCell ); pCur->aiIdx[pCur->iPage]++; @@ -44154,16 +44245,19 @@ static int checkTreePage( usableSize = pBt->usableSize; if( iPage==0 ) return 0; if( checkRef(pCheck, iPage, zParentContext) ) return 0; - if( (rc = sqlite3BtreeGetPage(pBt, (Pgno)iPage, &pPage, 0))!=0 ){ - if( rc==SQLITE_NOMEM || rc==SQLITE_IOERR_NOMEM ) pCheck->mallocFailed = 1; + if( (rc = btreeGetPage(pBt, (Pgno)iPage, &pPage, 0))!=0 ){ checkAppendMsg(pCheck, zContext, "unable to get the page. error code=%d", rc); return 0; } - if( (rc = sqlite3BtreeInitPage(pPage))!=0 ){ + + /* Clear MemPage.isInit to make sure the corruption detection code in + ** btreeInitPage() is executed. */ + pPage->isInit = 0; + if( (rc = btreeInitPage(pPage))!=0 ){ assert( rc==SQLITE_CORRUPT ); /* The only possible error from InitPage */ checkAppendMsg(pCheck, zContext, - "sqlite3BtreeInitPage() returns error code %d", rc); + "btreeInitPage() returns error code %d", rc); releasePage(pPage); return 0; } @@ -44181,7 +44275,7 @@ static int checkTreePage( sqlite3_snprintf(sizeof(zContext), zContext, "On tree page %d cell %d: ", iPage, i); pCell = findCell(pPage,i); - sqlite3BtreeParseCellPtr(pPage, pCell, &info); + btreeParseCellPtr(pPage, pCell, &info); sz = info.nData; if( !pPage->intKey ) sz += (int)info.nKey; assert( sz==info.nPayload ); @@ -44235,11 +44329,7 @@ static int checkTreePage( pCheck->mallocFailed = 1; }else{ u16 contentOffset = get2byte(&data[hdr+5]); - if (contentOffset > usableSize) { - checkAppendMsg(pCheck, 0, - "Corruption detected in header on page %d",iPage,0); - goto check_page_abort; - } + assert( contentOffset<=usableSize ); /* Enforced by btreeInitPage() */ memset(hit+contentOffset, 0, usableSize-contentOffset); memset(hit, 1, contentOffset); nCell = get2byte(&data[hdr+3]); @@ -44248,27 +44338,27 @@ static int checkTreePage( int pc = get2byte(&data[cellStart+i*2]); u16 size = 1024; int j; - if( pc<=usableSize ){ + if( pc<=usableSize-4 ){ size = cellSizePtr(pPage, &data[pc]); } - if( (pc+size-1)>=usableSize || pc<0 ){ + if( (pc+size-1)>=usableSize ){ checkAppendMsg(pCheck, 0, "Corruption detected in cell %d on page %d",i,iPage,0); }else{ for(j=pc+size-1; j>=pc; j--) hit[j]++; } } - for(cnt=0, i=get2byte(&data[hdr+1]); i>0 && i<usableSize && cnt<10000; - cnt++){ - int size = get2byte(&data[i+2]); - int j; - if( (i+size-1)>=usableSize || i<0 ){ - checkAppendMsg(pCheck, 0, - "Corruption detected in cell %d on page %d",i,iPage,0); - }else{ - for(j=i+size-1; j>=i; j--) hit[j]++; - } - i = get2byte(&data[i]); + i = get2byte(&data[hdr+1]); + while( i>0 ){ + int size, j; + assert( i<=usableSize-4 ); /* Enforced by btreeInitPage() */ + size = get2byte(&data[i+2]); + assert( i+size<=usableSize ); /* Enforced by btreeInitPage() */ + for(j=i+size-1; j>=i; j--) hit[j]++; + j = get2byte(&data[i]); + assert( j==0 || j>i+size ); /* Enforced by btreeInitPage() */ + assert( j<=usableSize-4 ); /* Enforced by btreeInitPage() */ + i = j; } for(i=cnt=0; i<usableSize; i++){ if( hit[i]==0 ){ @@ -44281,13 +44371,11 @@ static int checkTreePage( } if( cnt!=data[hdr+7] ){ checkAppendMsg(pCheck, 0, - "Fragmented space is %d byte reported as %d on page %d", + "Fragmentation of %d bytes reported as %d on page %d", cnt, data[hdr+7], iPage); } } -check_page_abort: - if (hit) sqlite3PageFree(hit); - + sqlite3PageFree(hit); releasePage(pPage); return depth+1; } @@ -44299,6 +44387,9 @@ check_page_abort: ** an array of pages numbers were each page number is the root page of ** a table. nRoot is the number of entries in aRoot. ** +** A read-only or read-write transaction must be opened before calling +** this function. +** ** Write the number of error seen in *pnErr. Except for some memory ** allocation errors, an error message held in memory obtained from ** malloc is returned if *pnErr is non-zero. If *pnErr==0 then NULL is @@ -44318,12 +44409,8 @@ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( char zErr[100]; sqlite3BtreeEnter(p); + assert( p->inTrans>TRANS_NONE && pBt->inTransaction>TRANS_NONE ); nRef = sqlite3PagerRefcount(pBt->pPager); - if( lockBtreeWithRetry(p)!=SQLITE_OK ){ - *pnErr = 1; - sqlite3BtreeLeave(p); - return sqlite3DbStrDup(0, "cannot acquire a read lock on the database"); - } sCheck.pBt = pBt; sCheck.pPager = pBt->pPager; sCheck.nPage = pagerPagecount(sCheck.pBt); @@ -44332,13 +44419,11 @@ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( sCheck.mallocFailed = 0; *pnErr = 0; if( sCheck.nPage==0 ){ - unlockBtreeIfUnused(pBt); sqlite3BtreeLeave(p); return 0; } sCheck.anRef = sqlite3Malloc( (sCheck.nPage+1)*sizeof(sCheck.anRef[0]) ); if( !sCheck.anRef ){ - unlockBtreeIfUnused(pBt); *pnErr = 1; sqlite3BtreeLeave(p); return 0; @@ -44393,7 +44478,6 @@ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( ** This is an internal consistency check; an integrity check ** of the integrity check. */ - unlockBtreeIfUnused(pBt); if( NEVER(nRef != sqlite3PagerRefcount(pBt->pPager)) ){ checkAppendMsg(&sCheck, 0, "Outstanding page count goes from %d to %d during this analysis", @@ -44518,10 +44602,12 @@ SQLITE_PRIVATE int sqlite3BtreeSchemaLocked(Btree *p){ */ SQLITE_PRIVATE int sqlite3BtreeLockTable(Btree *p, int iTab, u8 isWriteLock){ int rc = SQLITE_OK; + assert( p->inTrans!=TRANS_NONE ); if( p->sharable ){ u8 lockType = READ_LOCK + isWriteLock; assert( READ_LOCK+1==WRITE_LOCK ); assert( isWriteLock==0 || isWriteLock==1 ); + sqlite3BtreeEnter(p); rc = querySharedCacheTableLock(p, iTab, lockType); if( rc==SQLITE_OK ){ @@ -44538,43 +44624,43 @@ SQLITE_PRIVATE int sqlite3BtreeLockTable(Btree *p, int iTab, u8 isWriteLock){ ** Argument pCsr must be a cursor opened for writing on an ** INTKEY table currently pointing at a valid table entry. ** This function modifies the data stored as part of that entry. -** Only the data content may only be modified, it is not possible -** to change the length of the data stored. +** +** Only the data content may only be modified, it is not possible to +** change the length of the data stored. If this function is called with +** parameters that attempt to write past the end of the existing data, +** no modifications are made and SQLITE_CORRUPT is returned. */ SQLITE_PRIVATE int sqlite3BtreePutData(BtCursor *pCsr, u32 offset, u32 amt, void *z){ int rc; - assert( cursorHoldsMutex(pCsr) ); assert( sqlite3_mutex_held(pCsr->pBtree->db->mutex) ); - assert(pCsr->isIncrblobHandle); + assert( pCsr->isIncrblobHandle ); - restoreCursorPosition(pCsr); + rc = restoreCursorPosition(pCsr); + if( rc!=SQLITE_OK ){ + return rc; + } assert( pCsr->eState!=CURSOR_REQUIRESEEK ); if( pCsr->eState!=CURSOR_VALID ){ return SQLITE_ABORT; } - /* Check some preconditions: + /* Check some assumptions: ** (a) the cursor is open for writing, - ** (b) there is no read-lock on the table being modified and - ** (c) the cursor points at a valid row of an intKey table. + ** (b) there is a read/write transaction open, + ** (c) the connection holds a write-lock on the table (if required), + ** (d) there are no conflicting read-locks, and + ** (e) the cursor points at a valid row of an intKey table. */ if( !pCsr->wrFlag ){ return SQLITE_READONLY; } - assert( !pCsr->pBt->readOnly - && pCsr->pBt->inTransaction==TRANS_WRITE ); - rc = checkForReadConflicts(pCsr->pBtree, pCsr->pgnoRoot, pCsr, 0); - if( rc!=SQLITE_OK ){ - /* The table pCur points to has a read lock */ - assert( rc==SQLITE_LOCKED_SHAREDCACHE ); - return rc; - } - if( pCsr->eState==CURSOR_INVALID || !pCsr->apPage[pCsr->iPage]->intKey ){ - return SQLITE_ERROR; - } + assert( !pCsr->pBt->readOnly && pCsr->pBt->inTransaction==TRANS_WRITE ); + assert( hasSharedCacheTableLock(pCsr->pBtree, pCsr->pgnoRoot, 0, 2) ); + assert( !hasReadConflicts(pCsr->pBtree, pCsr->pgnoRoot) ); + assert( pCsr->apPage[pCsr->iPage]->intKey ); - return accessPayload(pCsr, offset, amt, (unsigned char *)z, 0, 1); + return accessPayload(pCsr, offset, amt, (unsigned char *)z, 1); } /* @@ -44916,7 +45002,7 @@ SQLITE_API int sqlite3_backup_step(sqlite3_backup *p, int nPage){ && SQLITE_OK==(rc = sqlite3BtreeBeginTrans(p->pDest, 2)) ){ p->bDestLocked = 1; - rc = sqlite3BtreeGetMeta(p->pDest, BTREE_SCHEMA_VERSION, &p->iDestSchema); + sqlite3BtreeGetMeta(p->pDest, BTREE_SCHEMA_VERSION, &p->iDestSchema); } /* If there is no open read-transaction on the source database, open @@ -44956,17 +45042,18 @@ SQLITE_API int sqlite3_backup_step(sqlite3_backup *p, int nPage){ } } - if( rc==SQLITE_DONE ){ + /* Update the schema version field in the destination database. This + ** is to make sure that the schema-version really does change in + ** the case where the source and destination databases have the + ** same schema version. + */ + if( rc==SQLITE_DONE + && (rc = sqlite3BtreeUpdateMeta(p->pDest,1,p->iDestSchema+1))==SQLITE_OK + ){ const int nSrcPagesize = sqlite3BtreeGetPageSize(p->pSrc); const int nDestPagesize = sqlite3BtreeGetPageSize(p->pDest); int nDestTruncate; - /* Update the schema version field in the destination database. This - ** is to make sure that the schema-version really does change in - ** the case where the source and destination databases have the - ** same schema version. - */ - sqlite3BtreeUpdateMeta(p->pDest, 1, p->iDestSchema+1); if( p->pDestDb ){ sqlite3ResetInternalSchema(p->pDestDb, 0); } @@ -45726,6 +45813,14 @@ SQLITE_PRIVATE void sqlite3VdbeMemSetZeroBlob(Mem *pMem, int n){ if( n<0 ) n = 0; pMem->u.nZero = n; pMem->enc = SQLITE_UTF8; + +#ifdef SQLITE_OMIT_INCRBLOB + sqlite3VdbeMemGrow(pMem, n, 0); + if( pMem->z ){ + pMem->n = n; + memset(pMem->z, 0, n); + } +#endif } /* @@ -46095,6 +46190,8 @@ SQLITE_PRIVATE int sqlite3VdbeMemFromBtree( int available = 0; /* Number of bytes available on the local btree page */ int rc = SQLITE_OK; /* Return code */ + assert( sqlite3BtreeCursorIsValid(pCur) ); + /* Note: the calls to BtreeKeyFetch() and DataFetch() below assert() ** that both the BtShared and database handle mutexes are held. */ assert( (pMem->flags & MEM_RowSet)==0 ); @@ -46784,6 +46881,10 @@ static void freeP4(sqlite3 *db, int p4type, void *p4){ sqlite3ValueFree((sqlite3_value*)p4); break; } + case P4_VTAB : { + sqlite3VtabUnlock((VTable *)p4); + break; + } } } } @@ -46837,7 +46938,7 @@ SQLITE_PRIVATE void sqlite3VdbeChangeP4(Vdbe *p, int addr, const char *zP4, int db = p->db; assert( p->magic==VDBE_MAGIC_INIT ); if( p->aOp==0 || db->mallocFailed ){ - if (n != P4_KEYINFO) { + if ( n!=P4_KEYINFO && n!=P4_VTAB ) { freeP4(db, n, (void*)*(char**)&zP4); } return; @@ -46882,6 +46983,11 @@ SQLITE_PRIVATE void sqlite3VdbeChangeP4(Vdbe *p, int addr, const char *zP4, int }else if( n==P4_KEYINFO_HANDOFF ){ pOp->p4.p = (void*)zP4; pOp->p4type = P4_KEYINFO; + }else if( n==P4_VTAB ){ + pOp->p4.p = (void*)zP4; + pOp->p4type = P4_VTAB; + sqlite3VtabLock((VTable *)zP4); + assert( ((VTable *)zP4)->db==p->db ); }else if( n<0 ){ pOp->p4.p = (void*)zP4; pOp->p4type = (signed char)n; @@ -47037,7 +47143,7 @@ static char *displayP4(Op *pOp, char *zTemp, int nTemp){ } #ifndef SQLITE_OMIT_VIRTUALTABLE case P4_VTAB: { - sqlite3_vtab *pVtab = pOp->p4.pVtab; + sqlite3_vtab *pVtab = pOp->p4.pVtab->pVtab; sqlite3_snprintf(nTemp, zTemp, "vtab:%p:%p", pVtab, pVtab->pModule); break; } @@ -47175,7 +47281,7 @@ SQLITE_PRIVATE int sqlite3VdbeList( Mem *pMem = p->pResultSet = &p->aMem[1]; assert( p->explain ); - if( p->magic!=VDBE_MAGIC_RUN ) return SQLITE_MISUSE; + assert( p->magic==VDBE_MAGIC_RUN ); assert( db->magic==SQLITE_MAGIC_BUSY ); assert( p->rc==SQLITE_OK || p->rc==SQLITE_BUSY || p->rc==SQLITE_NOMEM ); @@ -47361,7 +47467,7 @@ static void allocSpace( assert( EIGHT_BYTE_ALIGNMENT(*ppFrom) ); if( (*(void**)pp)==0 ){ nByte = ROUND8(nByte); - if( (pEnd - *ppFrom)>=nByte ){ + if( &(*ppFrom)[nByte] <= pEnd ){ *(void**)pp = (void *)*ppFrom; *ppFrom += nByte; }else{ @@ -47423,7 +47529,7 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( ** first time this function is called for a given VDBE, not when it is ** being called from sqlite3_reset() to reset the virtual machine. */ - if( nVar>=0 && !db->mallocFailed ){ + if( nVar>=0 && ALWAYS(db->mallocFailed==0) ){ u8 *zCsr = (u8 *)&p->aOp[p->nOp]; u8 *zEnd = (u8 *)&p->aOp[p->nOpAlloc]; int nByte; @@ -47432,12 +47538,11 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( if( isExplain && nMem<10 ){ nMem = 10; } + memset(zCsr, 0, zEnd-zCsr); zCsr += (zCsr - (u8*)0)&7; assert( EIGHT_BYTE_ALIGNMENT(zCsr) ); - if( zEnd<zCsr ) zEnd = zCsr; do { - memset(zCsr, 0, zEnd-zCsr); nByte = 0; allocSpace((char*)&p->aMem, nMem*sizeof(Mem), &zCsr, zEnd, &nByte); allocSpace((char*)&p->aVar, nVar*sizeof(Mem), &zCsr, zEnd, &nByte); @@ -47447,7 +47552,7 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( nCursor*sizeof(VdbeCursor*), &zCsr, zEnd, &nByte ); if( nByte ){ - p->pFree = sqlite3DbMallocRaw(db, nByte); + p->pFree = sqlite3DbMallocZero(db, nByte); } zCsr = p->pFree; zEnd = &zCsr[nByte]; @@ -47528,15 +47633,14 @@ SQLITE_PRIVATE void sqlite3VdbeFreeCursor(Vdbe *p, VdbeCursor *pCx){ } /* -** Close all cursors except for VTab cursors that are currently -** in use. +** Close all cursors. */ -static void closeAllCursorsExceptActiveVtabs(Vdbe *p){ +static void closeAllCursors(Vdbe *p){ int i; if( p->apCsr==0 ) return; for(i=0; i<p->nCursor; i++){ VdbeCursor *pC = p->apCsr[i]; - if( pC && (!p->inVtabMethod || !pC->pVtabCursor) ){ + if( pC ){ sqlite3VdbeFreeCursor(p, pC); p->apCsr[i] = 0; } @@ -47554,7 +47658,7 @@ static void Cleanup(Vdbe *p){ int i; sqlite3 *db = p->db; Mem *pMem; - closeAllCursorsExceptActiveVtabs(p); + closeAllCursors(p); for(pMem=&p->aMem[1], i=1; i<=p->nMem; i++, pMem++){ if( pMem->flags & MEM_RowSet ){ sqlite3RowSetClear(pMem->u.pRowSet); @@ -47675,12 +47779,9 @@ static int vdbeCommit(sqlite3 *db, Vdbe *p){ /* If there are any write-transactions at all, invoke the commit hook */ if( needXcommit && db->xCommitCallback ){ - assert( (db->flags & SQLITE_CommitBusy)==0 ); - db->flags |= SQLITE_CommitBusy; (void)sqlite3SafetyOff(db); rc = db->xCommitCallback(db->pCommitArg); (void)sqlite3SafetyOn(db); - db->flags &= ~SQLITE_CommitBusy; if( rc ){ return SQLITE_CONSTRAINT; } @@ -47923,7 +48024,13 @@ static void invalidateCursorsOnModifiedBtrees(sqlite3 *db){ SQLITE_PRIVATE int sqlite3VdbeCloseStatement(Vdbe *p, int eOp){ sqlite3 *const db = p->db; int rc = SQLITE_OK; - if( p->iStatement && db->nStatement ){ + + /* If p->iStatement is greater than zero, then this Vdbe opened a + ** statement transaction that should be closed here. The only exception + ** is that an IO error may have occured, causing an emergency rollback. + ** In this case (db->nStatement==0), and there is nothing to do. + */ + if( db->nStatement && p->iStatement ){ int i; const int iSavepoint = p->iStatement-1; @@ -48015,7 +48122,7 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ if( p->db->mallocFailed ){ p->rc = SQLITE_NOMEM; } - closeAllCursorsExceptActiveVtabs(p); + closeAllCursors(p); if( p->magic!=VDBE_MAGIC_RUN ){ return SQLITE_OK; } @@ -48032,6 +48139,7 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ /* Check for one of the special errors */ mrc = p->rc & 0xff; + assert( p->rc!=SQLITE_IOERR_BLOCKED ); /* This error no longer exists */ isSpecialError = mrc==SQLITE_NOMEM || mrc==SQLITE_IOERR || mrc==SQLITE_INTERRUPT || mrc==SQLITE_FULL; if( isSpecialError ){ @@ -48039,11 +48147,7 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ ** proceed with the special handling. */ if( !p->readOnly || mrc!=SQLITE_INTERRUPT ){ - if( p->rc==SQLITE_IOERR_BLOCKED && p->usesStmtJournal ){ - eStatementOp = SAVEPOINT_ROLLBACK; - p->rc = SQLITE_BUSY; - }else if( (mrc==SQLITE_NOMEM || mrc==SQLITE_FULL) - && p->usesStmtJournal ){ + if( (mrc==SQLITE_NOMEM || mrc==SQLITE_FULL) && p->usesStmtJournal ){ eStatementOp = SAVEPOINT_ROLLBACK; }else{ /* We are forced to roll back the active transaction. Before doing @@ -48066,7 +48170,6 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ if( !sqlite3VtabInSync(db) && db->autoCommit && db->writeVdbeCnt==(p->readOnly==0) - && (db->flags & SQLITE_CommitBusy)==0 ){ if( p->rc==SQLITE_OK || (p->errorAction==OE_Fail && !isSpecialError) ){ /* The auto-commit flag is true, and the vdbe program was @@ -48118,7 +48221,7 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ /* If this was an INSERT, UPDATE or DELETE and no statement transaction ** has been rolled back, update the database connection change-counter. */ - if( p->changeCntOn && p->pc>=0 ){ + if( p->changeCntOn ){ if( eStatementOp!=SAVEPOINT_ROLLBACK ){ sqlite3VdbeSetChanges(db, p->nChange); }else{ @@ -48265,8 +48368,6 @@ SQLITE_PRIVATE int sqlite3VdbeFinalize(Vdbe *p){ if( p->magic==VDBE_MAGIC_RUN || p->magic==VDBE_MAGIC_HALT ){ rc = sqlite3VdbeReset(p); assert( (rc & p->db->errMask)==rc ); - }else if( p->magic!=VDBE_MAGIC_INIT ){ - return SQLITE_MISUSE; } sqlite3VdbeDelete(p); return rc; @@ -48298,7 +48399,7 @@ SQLITE_PRIVATE void sqlite3VdbeDelete(Vdbe *p){ int i; sqlite3 *db; - if( p==0 ) return; + if( NEVER(p==0) ) return; db = p->db; if( p->pPrev ){ p->pPrev->pNext = p->pNext; @@ -48362,7 +48463,7 @@ SQLITE_PRIVATE int sqlite3VdbeCursorMoveto(VdbeCursor *p){ #endif p->deferredMoveto = 0; p->cacheStatus = CACHE_STALE; - }else if( p->pCursor ){ + }else if( ALWAYS(p->pCursor) ){ int hasMoved; int rc = sqlite3BtreeCursorHasMoved(p->pCursor, &hasMoved); if( rc ) return rc; @@ -48735,11 +48836,10 @@ SQLITE_PRIVATE UnpackedRecord *sqlite3VdbeRecordUnpack( idx = getVarint32(aKey, szHdr); d = szHdr; u = 0; - while( idx<szHdr && u<p->nField ){ + while( idx<szHdr && u<p->nField && d<=nKey ){ u32 serial_type; idx += getVarint32(&aKey[idx], serial_type); - if( d>=nKey && sqlite3VdbeSerialTypeLen(serial_type)>0 ) break; pMem->enc = pKeyInfo->enc; pMem->db = pKeyInfo->db; pMem->flags = 0; @@ -48763,9 +48863,12 @@ SQLITE_PRIVATE void sqlite3VdbeDeleteUnpackedRecord(UnpackedRecord *p){ assert( p!=0 ); assert( p->flags & UNPACKED_NEED_DESTROY ); for(i=0, pMem=p->aMem; i<p->nField; i++, pMem++){ - if( pMem->zMalloc ){ - sqlite3VdbeMemRelease(pMem); - } + /* The unpacked record is always constructed by the + ** sqlite3VdbeUnpackRecord() function above, which makes all + ** strings and blobs static. And none of the elements are + ** ever transformed, so there is never anything to delete. + */ + if( NEVER(pMem->zMalloc) ) sqlite3VdbeMemRelease(pMem); } if( p->flags & UNPACKED_NEED_FREE ){ sqlite3DbFree(p->pKeyInfo->db, p); @@ -48845,7 +48948,9 @@ SQLITE_PRIVATE int sqlite3VdbeRecordCompare( } i++; } - if( mem1.zMalloc ) sqlite3VdbeMemRelease(&mem1); + + /* No memory allocation is ever used on mem1. */ + if( NEVER(mem1.zMalloc) ) sqlite3VdbeMemRelease(&mem1); /* If the PREFIX_SEARCH flag is set and all fields except the final ** rowid field were equal, then clear the PREFIX_SEARCH flag and set @@ -48903,8 +49008,11 @@ SQLITE_PRIVATE int sqlite3VdbeIdxRowid(sqlite3 *db, BtCursor *pCur, i64 *rowid){ /* Get the size of the index entry. Only indices entries of less ** than 2GiB are support - anything large must be database corruption. ** Any corruption is detected in sqlite3BtreeParseCellPtr(), though, so - ** this code can safely assume that nCellKey is 32-bits */ - sqlite3BtreeKeySize(pCur, &nCellKey); + ** this code can safely assume that nCellKey is 32-bits + */ + assert( sqlite3BtreeCursorIsValid(pCur) ); + rc = sqlite3BtreeKeySize(pCur, &nCellKey); + assert( rc==SQLITE_OK ); /* pCur is always valid so KeySize cannot fail */ assert( (nCellKey & SQLITE_MAX_U32)==(u64)nCellKey ); /* Read in the complete content of the index entry */ @@ -48939,8 +49047,8 @@ SQLITE_PRIVATE int sqlite3VdbeIdxRowid(sqlite3 *db, BtCursor *pCur, i64 *rowid){ goto idx_rowid_corruption; } lenRowid = sqlite3VdbeSerialTypeLen(typeRowid); - testcase( m.n-lenRowid==szHdr ); - if( unlikely(m.n-lenRowid<szHdr) ){ + testcase( (u32)m.n==szHdr+lenRowid ); + if( unlikely((u32)m.n<szHdr+lenRowid) ){ goto idx_rowid_corruption; } @@ -48959,22 +49067,19 @@ idx_rowid_corruption: } /* -** Compare the key of the index entry that cursor pC is point to against -** the key string in pKey (of length nKey). Write into *pRes a number +** Compare the key of the index entry that cursor pC is pointing to against +** the key string in pUnpacked. Write into *pRes a number ** that is negative, zero, or positive if pC is less than, equal to, -** or greater than pKey. Return SQLITE_OK on success. +** or greater than pUnpacked. Return SQLITE_OK on success. ** -** pKey is either created without a rowid or is truncated so that it +** pUnpacked is either created without a rowid or is truncated so that it ** omits the rowid at the end. The rowid at the end of the index entry ** is ignored as well. Hence, this routine only compares the prefixes ** of the keys prior to the final rowid, not the entire key. -** -** pUnpacked may be an unpacked version of pKey,nKey. If pUnpacked is -** supplied it is used in place of pKey,nKey. */ SQLITE_PRIVATE int sqlite3VdbeIdxKeyCompare( VdbeCursor *pC, /* The cursor to compare against */ - UnpackedRecord *pUnpacked, /* Unpacked version of pKey and nKey */ + UnpackedRecord *pUnpacked, /* Unpacked version of key to compare against */ int *res /* Write the comparison result here */ ){ i64 nCellKey = 0; @@ -48982,10 +49087,14 @@ SQLITE_PRIVATE int sqlite3VdbeIdxKeyCompare( BtCursor *pCur = pC->pCursor; Mem m; - sqlite3BtreeKeySize(pCur, &nCellKey); + assert( sqlite3BtreeCursorIsValid(pCur) ); + rc = sqlite3BtreeKeySize(pCur, &nCellKey); + assert( rc==SQLITE_OK ); /* pCur is always valid so KeySize cannot fail */ + /* nCellKey will always be between 0 and 0xffffffff because of the say + ** that btreeParseCellPtr() and sqlite3GetVarint32() are implemented */ if( nCellKey<=0 || nCellKey>0x7fffffff ){ *res = 0; - return SQLITE_OK; + return SQLITE_CORRUPT; } m.db = 0; m.flags = 0; @@ -51070,7 +51179,6 @@ SQLITE_PRIVATE int sqlite3VdbeExec( Btree *pX; VdbeCursor *pCur; Db *pDb; - int flags; } ax; struct OP_OpenEphemeral_stack_vars { VdbeCursor *pCx; @@ -51246,19 +51354,15 @@ SQLITE_PRIVATE int sqlite3VdbeExec( struct OP_IncrVacuum_stack_vars { Btree *pBt; } ce; - struct OP_TableLock_stack_vars { - int p1; - u8 isWriteLock; - } cf; struct OP_VBegin_stack_vars { - sqlite3_vtab *pVtab; - } cg; + VTable *pVTab; + } cf; struct OP_VOpen_stack_vars { VdbeCursor *pCur; sqlite3_vtab_cursor *pVtabCursor; sqlite3_vtab *pVtab; sqlite3_module *pModule; - } ch; + } cg; struct OP_VFilter_stack_vars { int nArg; int iQuery; @@ -51271,23 +51375,23 @@ SQLITE_PRIVATE int sqlite3VdbeExec( int res; int i; Mem **apArg; - } ci; + } ch; struct OP_VColumn_stack_vars { sqlite3_vtab *pVtab; const sqlite3_module *pModule; Mem *pDest; sqlite3_context sContext; - } cj; + } ci; struct OP_VNext_stack_vars { sqlite3_vtab *pVtab; const sqlite3_module *pModule; int res; VdbeCursor *pCur; - } ck; + } cj; struct OP_VRename_stack_vars { sqlite3_vtab *pVtab; Mem *pName; - } cl; + } ck; struct OP_VUpdate_stack_vars { sqlite3_vtab *pVtab; sqlite3_module *pModule; @@ -51296,15 +51400,15 @@ SQLITE_PRIVATE int sqlite3VdbeExec( sqlite_int64 rowid; Mem **apArg; Mem *pX; - } cm; + } cl; struct OP_Pagecount_stack_vars { int p1; int nPage; Pager *pPager; - } cn; + } cm; struct OP_Trace_stack_vars { char *zTrace; - } co; + } cn; } u; /* End automatically generated code ********************************************************************/ @@ -52822,14 +52926,18 @@ case OP_Column: { u.am.payloadSize = u.am.pC->payloadSize; u.am.zRec = (char*)u.am.pC->aRow; }else if( u.am.pC->isIndex ){ - sqlite3BtreeKeySize(u.am.pCrsr, &u.am.payloadSize64); + assert( sqlite3BtreeCursorIsValid(u.am.pCrsr) ); + rc = sqlite3BtreeKeySize(u.am.pCrsr, &u.am.payloadSize64); + assert( rc==SQLITE_OK ); /* True because of CursorMoveto() call above */ /* sqlite3BtreeParseCellPtr() uses getVarint32() to extract the ** payload size, so it is impossible for u.am.payloadSize64 to be ** larger than 32 bits. */ assert( (u.am.payloadSize64 & SQLITE_MAX_U32)==(u64)u.am.payloadSize64 ); u.am.payloadSize = (u32)u.am.payloadSize64; }else{ - sqlite3BtreeDataSize(u.am.pCrsr, &u.am.payloadSize); + assert( sqlite3BtreeCursorIsValid(u.am.pCrsr) ); + rc = sqlite3BtreeDataSize(u.am.pCrsr, &u.am.payloadSize); + assert( rc==SQLITE_OK ); /* DataSize() cannot fail */ } }else if( u.am.pC->pseudoTable ){ /* The record is the sole entry of a pseudo-table */ @@ -53542,7 +53650,7 @@ case OP_ReadCookie: { /* out2-prerelease */ assert( db->aDb[u.au.iDb].pBt!=0 ); assert( (p->btreeMask & (1<<u.au.iDb))!=0 ); - rc = sqlite3BtreeGetMeta(db->aDb[u.au.iDb].pBt, u.au.iCookie, (u32 *)&u.au.iMeta); + sqlite3BtreeGetMeta(db->aDb[u.au.iDb].pBt, u.au.iCookie, (u32 *)&u.au.iMeta); pOut->u.i = u.au.iMeta; MemSetTypeFlag(pOut, MEM_Int); break; @@ -53611,12 +53719,11 @@ case OP_VerifyCookie: { assert( (p->btreeMask & (1<<pOp->p1))!=0 ); u.aw.pBt = db->aDb[pOp->p1].pBt; if( u.aw.pBt ){ - rc = sqlite3BtreeGetMeta(u.aw.pBt, BTREE_SCHEMA_VERSION, (u32 *)&u.aw.iMeta); + sqlite3BtreeGetMeta(u.aw.pBt, BTREE_SCHEMA_VERSION, (u32 *)&u.aw.iMeta); }else{ - rc = SQLITE_OK; u.aw.iMeta = 0; } - if( rc==SQLITE_OK && u.aw.iMeta!=pOp->p2 ){ + if( u.aw.iMeta!=pOp->p2 ){ sqlite3DbFree(db, p->zErrMsg); p->zErrMsg = sqlite3DbStrDup(db, "database schema has changed"); /* If the schema-cookie from the database file matches the cookie @@ -53702,7 +53809,6 @@ case OP_OpenWrite: { Btree *pX; VdbeCursor *pCur; Db *pDb; - int flags; #endif /* local variables moved into u.ax */ u.ax.nField = 0; @@ -53751,45 +53857,22 @@ case OP_OpenWrite: { rc = sqlite3BtreeCursor(u.ax.pX, u.ax.p2, u.ax.wrFlag, u.ax.pKeyInfo, u.ax.pCur->pCursor); u.ax.pCur->pKeyInfo = u.ax.pKeyInfo; - switch( rc ){ - case SQLITE_OK: { - u.ax.flags = sqlite3BtreeFlags(u.ax.pCur->pCursor); - - /* Sanity checking. Only the lower four bits of the u.ax.flags byte should - ** be used. Bit 3 (mask 0x08) is unpredictable. The lower 3 bits - ** (mask 0x07) should be either 5 (intkey+leafdata for tables) or - ** 2 (zerodata for indices). If these conditions are not met it can - ** only mean that we are dealing with a corrupt database file. - ** Note: All of the above is checked already in sqlite3BtreeCursor(). - */ - assert( (u.ax.flags & 0xf0)==0 ); - assert( (u.ax.flags & 0x07)==5 || (u.ax.flags & 0x07)==2 ); - - u.ax.pCur->isTable = (u.ax.flags & BTREE_INTKEY)!=0 ?1:0; - u.ax.pCur->isIndex = (u.ax.flags & BTREE_ZERODATA)!=0 ?1:0; - /* If P4==0 it means we are expected to open a table. If P4!=0 then - ** we expect to be opening an index. If this is not what happened, - ** then the database is corrupt - */ - if( (u.ax.pCur->isTable && pOp->p4type==P4_KEYINFO) - || (u.ax.pCur->isIndex && pOp->p4type!=P4_KEYINFO) ){ - rc = SQLITE_CORRUPT_BKPT; - goto abort_due_to_error; - } - break; - } - case SQLITE_EMPTY: { - u.ax.pCur->isTable = pOp->p4type!=P4_KEYINFO; - u.ax.pCur->isIndex = !u.ax.pCur->isTable; - u.ax.pCur->pCursor = 0; - rc = SQLITE_OK; - break; - } - default: { - assert( rc!=SQLITE_BUSY ); /* Busy conditions detected earlier */ - goto abort_due_to_error; - } + /* Since it performs no memory allocation or IO, the only values that + ** sqlite3BtreeCursor() may return are SQLITE_EMPTY and SQLITE_OK. + ** SQLITE_EMPTY is only returned when attempting to open the table + ** rooted at page 1 of a zero-byte database. */ + assert( rc==SQLITE_EMPTY || rc==SQLITE_OK ); + if( rc==SQLITE_EMPTY ){ + u.ax.pCur->pCursor = 0; + rc = SQLITE_OK; } + + /* Set the VdbeCursor.isTable and isIndex variables. Previous versions of + ** SQLite used to check if the root-page flags were sane at this point + ** and report database corruption if they were not, but this check has + ** since moved into the btree layer. */ + u.ax.pCur->isTable = pOp->p4type!=P4_KEYINFO; + u.ax.pCur->isIndex = !u.ax.pCur->isTable; break; } @@ -54173,6 +54256,7 @@ case OP_Found: { /* jump, in3 */ assert( u.bc.pC->isTable==0 ); assert( pIn3->flags & MEM_Blob ); + ExpandBlob(pIn3); u.bc.pIdxKey = sqlite3VdbeRecordUnpack(u.bc.pC->pKeyInfo, pIn3->n, pIn3->z, u.bc.aTempRec, sizeof(u.bc.aTempRec)); if( u.bc.pIdxKey==0 ){ @@ -54420,7 +54504,9 @@ case OP_NewRowid: { /* out2-prerelease */ if( u.bf.res ){ u.bf.v = 1; }else{ - sqlite3BtreeKeySize(u.bf.pC->pCursor, &u.bf.v); + assert( sqlite3BtreeCursorIsValid(u.bf.pC->pCursor) ); + rc = sqlite3BtreeKeySize(u.bf.pC->pCursor, &u.bf.v); + assert( rc==SQLITE_OK ); /* Cannot fail following BtreeLast() */ if( u.bf.v==MAX_ROWID ){ u.bf.pC->useRandomRowid = 1; }else{ @@ -54711,6 +54797,7 @@ case OP_RowData: { assert( u.bi.pC->pseudoTable==0 ); assert( u.bi.pC->pCursor!=0 ); u.bi.pCrsr = u.bi.pC->pCursor; + assert( sqlite3BtreeCursorIsValid(u.bi.pCrsr) ); /* The OP_RowKey and OP_RowData opcodes always follow OP_NotExists or ** OP_Rewind/Op_Next with no intervening instructions that might invalidate @@ -54723,13 +54810,15 @@ case OP_RowData: { if( u.bi.pC->isIndex ){ assert( !u.bi.pC->isTable ); - sqlite3BtreeKeySize(u.bi.pCrsr, &u.bi.n64); + rc = sqlite3BtreeKeySize(u.bi.pCrsr, &u.bi.n64); + assert( rc==SQLITE_OK ); /* True because of CursorMoveto() call above */ if( u.bi.n64>db->aLimit[SQLITE_LIMIT_LENGTH] ){ goto too_big; } u.bi.n = (u32)u.bi.n64; }else{ - sqlite3BtreeDataSize(u.bi.pCrsr, &u.bi.n); + rc = sqlite3BtreeDataSize(u.bi.pCrsr, &u.bi.n); + assert( rc==SQLITE_OK ); /* DataSize() cannot fail */ if( u.bi.n>(u32)db->aLimit[SQLITE_LIMIT_LENGTH] ){ goto too_big; } @@ -54789,13 +54878,14 @@ case OP_Rowid: { /* out2-prerelease */ if( sqlite3SafetyOn(db) ) goto abort_due_to_misuse; #endif /* SQLITE_OMIT_VIRTUALTABLE */ }else{ + assert( u.bj.pC->pCursor!=0 ); rc = sqlite3VdbeCursorMoveto(u.bj.pC); if( rc ) goto abort_due_to_error; if( u.bj.pC->rowidIsValid ){ u.bj.v = u.bj.pC->lastRowid; }else{ - assert( u.bj.pC->pCursor!=0 ); - sqlite3BtreeKeySize(u.bj.pC->pCursor, &u.bj.v); + rc = sqlite3BtreeKeySize(u.bj.pC->pCursor, &u.bj.v); + assert( rc==SQLITE_OK ); /* Always so because of CursorMoveto() above */ } } pOut->u.i = u.bj.v; @@ -55849,7 +55939,7 @@ case OP_Expire: { ** Obtain a lock on a particular table. This instruction is only used when ** the shared-cache feature is enabled. ** -** If P1 is the index of the database in sqlite3.aDb[] of the database +** P1 is the index of the database in sqlite3.aDb[] of the database ** on which the lock is acquired. A readlock is obtained if P3==0 or ** a write lock if P3==1. ** @@ -55859,20 +55949,17 @@ case OP_Expire: { ** used to generate an error message if the lock cannot be obtained. */ case OP_TableLock: { -#if 0 /* local variables moved into u.cf */ - int p1; - u8 isWriteLock; -#endif /* local variables moved into u.cf */ - - u.cf.p1 = pOp->p1; - u.cf.isWriteLock = (u8)pOp->p3; - assert( u.cf.p1>=0 && u.cf.p1<db->nDb ); - assert( (p->btreeMask & (1<<u.cf.p1))!=0 ); - assert( u.cf.isWriteLock==0 || u.cf.isWriteLock==1 ); - rc = sqlite3BtreeLockTable(db->aDb[u.cf.p1].pBt, pOp->p2, u.cf.isWriteLock); - if( (rc&0xFF)==SQLITE_LOCKED ){ - const char *z = pOp->p4.z; - sqlite3SetString(&p->zErrMsg, db, "database table is locked: %s", z); + u8 isWriteLock = (u8)pOp->p3; + if( isWriteLock || 0==(db->flags&SQLITE_ReadUncommitted) ){ + int p1 = pOp->p1; + assert( p1>=0 && p1<db->nDb ); + assert( (p->btreeMask & (1<<p1))!=0 ); + assert( isWriteLock==0 || isWriteLock==1 ); + rc = sqlite3BtreeLockTable(db->aDb[p1].pBt, pOp->p2, isWriteLock); + if( (rc&0xFF)==SQLITE_LOCKED ){ + const char *z = pOp->p4.z; + sqlite3SetString(&p->zErrMsg, db, "database table is locked: %s", z); + } } break; } @@ -55889,15 +55976,15 @@ case OP_TableLock: { ** code will be set to SQLITE_LOCKED. */ case OP_VBegin: { -#if 0 /* local variables moved into u.cg */ - sqlite3_vtab *pVtab; -#endif /* local variables moved into u.cg */ - u.cg.pVtab = pOp->p4.pVtab; - rc = sqlite3VtabBegin(db, u.cg.pVtab); - if( u.cg.pVtab ){ +#if 0 /* local variables moved into u.cf */ + VTable *pVTab; +#endif /* local variables moved into u.cf */ + u.cf.pVTab = pOp->p4.pVtab; + rc = sqlite3VtabBegin(db, u.cf.pVTab); + if( u.cf.pVTab ){ sqlite3DbFree(db, p->zErrMsg); - p->zErrMsg = u.cg.pVtab->zErrMsg; - u.cg.pVtab->zErrMsg = 0; + p->zErrMsg = u.cf.pVTab->pVtab->zErrMsg; + u.cf.pVTab->pVtab->zErrMsg = 0; } break; } @@ -55937,36 +56024,36 @@ case OP_VDestroy: { ** table and stores that cursor in P1. */ case OP_VOpen: { -#if 0 /* local variables moved into u.ch */ +#if 0 /* local variables moved into u.cg */ VdbeCursor *pCur; sqlite3_vtab_cursor *pVtabCursor; sqlite3_vtab *pVtab; sqlite3_module *pModule; -#endif /* local variables moved into u.ch */ +#endif /* local variables moved into u.cg */ - u.ch.pCur = 0; - u.ch.pVtabCursor = 0; - u.ch.pVtab = pOp->p4.pVtab; - u.ch.pModule = (sqlite3_module *)u.ch.pVtab->pModule; - assert(u.ch.pVtab && u.ch.pModule); + u.cg.pCur = 0; + u.cg.pVtabCursor = 0; + u.cg.pVtab = pOp->p4.pVtab->pVtab; + u.cg.pModule = (sqlite3_module *)u.cg.pVtab->pModule; + assert(u.cg.pVtab && u.cg.pModule); if( sqlite3SafetyOff(db) ) goto abort_due_to_misuse; - rc = u.ch.pModule->xOpen(u.ch.pVtab, &u.ch.pVtabCursor); + rc = u.cg.pModule->xOpen(u.cg.pVtab, &u.cg.pVtabCursor); sqlite3DbFree(db, p->zErrMsg); - p->zErrMsg = u.ch.pVtab->zErrMsg; - u.ch.pVtab->zErrMsg = 0; + p->zErrMsg = u.cg.pVtab->zErrMsg; + u.cg.pVtab->zErrMsg = 0; if( sqlite3SafetyOn(db) ) goto abort_due_to_misuse; if( SQLITE_OK==rc ){ /* Initialize sqlite3_vtab_cursor base class */ - u.ch.pVtabCursor->pVtab = u.ch.pVtab; + u.cg.pVtabCursor->pVtab = u.cg.pVtab; /* Initialise vdbe cursor object */ - u.ch.pCur = allocateCursor(p, pOp->p1, 0, -1, 0); - if( u.ch.pCur ){ - u.ch.pCur->pVtabCursor = u.ch.pVtabCursor; - u.ch.pCur->pModule = u.ch.pVtabCursor->pVtab->pModule; + u.cg.pCur = allocateCursor(p, pOp->p1, 0, -1, 0); + if( u.cg.pCur ){ + u.cg.pCur->pVtabCursor = u.cg.pVtabCursor; + u.cg.pCur->pModule = u.cg.pVtabCursor->pVtab->pModule; }else{ db->mallocFailed = 1; - u.ch.pModule->xClose(u.ch.pVtabCursor); + u.cg.pModule->xClose(u.cg.pVtabCursor); } } break; @@ -55993,7 +56080,7 @@ case OP_VOpen: { ** A jump is made to P2 if the result set after filtering would be empty. */ case OP_VFilter: { /* jump */ -#if 0 /* local variables moved into u.ci */ +#if 0 /* local variables moved into u.ch */ int nArg; int iQuery; const sqlite3_module *pModule; @@ -56005,50 +56092,48 @@ case OP_VFilter: { /* jump */ int res; int i; Mem **apArg; -#endif /* local variables moved into u.ci */ +#endif /* local variables moved into u.ch */ - u.ci.pQuery = &p->aMem[pOp->p3]; - u.ci.pArgc = &u.ci.pQuery[1]; - u.ci.pCur = p->apCsr[pOp->p1]; - REGISTER_TRACE(pOp->p3, u.ci.pQuery); - assert( u.ci.pCur->pVtabCursor ); - u.ci.pVtabCursor = u.ci.pCur->pVtabCursor; - u.ci.pVtab = u.ci.pVtabCursor->pVtab; - u.ci.pModule = u.ci.pVtab->pModule; + u.ch.pQuery = &p->aMem[pOp->p3]; + u.ch.pArgc = &u.ch.pQuery[1]; + u.ch.pCur = p->apCsr[pOp->p1]; + REGISTER_TRACE(pOp->p3, u.ch.pQuery); + assert( u.ch.pCur->pVtabCursor ); + u.ch.pVtabCursor = u.ch.pCur->pVtabCursor; + u.ch.pVtab = u.ch.pVtabCursor->pVtab; + u.ch.pModule = u.ch.pVtab->pModule; /* Grab the index number and argc parameters */ - assert( (u.ci.pQuery->flags&MEM_Int)!=0 && u.ci.pArgc->flags==MEM_Int ); - u.ci.nArg = (int)u.ci.pArgc->u.i; - u.ci.iQuery = (int)u.ci.pQuery->u.i; + assert( (u.ch.pQuery->flags&MEM_Int)!=0 && u.ch.pArgc->flags==MEM_Int ); + u.ch.nArg = (int)u.ch.pArgc->u.i; + u.ch.iQuery = (int)u.ch.pQuery->u.i; /* Invoke the xFilter method */ { - u.ci.res = 0; - u.ci.apArg = p->apArg; - for(u.ci.i = 0; u.ci.i<u.ci.nArg; u.ci.i++){ - u.ci.apArg[u.ci.i] = &u.ci.pArgc[u.ci.i+1]; - storeTypeInfo(u.ci.apArg[u.ci.i], 0); + u.ch.res = 0; + u.ch.apArg = p->apArg; + for(u.ch.i = 0; u.ch.i<u.ch.nArg; u.ch.i++){ + u.ch.apArg[u.ch.i] = &u.ch.pArgc[u.ch.i+1]; + storeTypeInfo(u.ch.apArg[u.ch.i], 0); } if( sqlite3SafetyOff(db) ) goto abort_due_to_misuse; - sqlite3VtabLock(u.ci.pVtab); p->inVtabMethod = 1; - rc = u.ci.pModule->xFilter(u.ci.pVtabCursor, u.ci.iQuery, pOp->p4.z, u.ci.nArg, u.ci.apArg); + rc = u.ch.pModule->xFilter(u.ch.pVtabCursor, u.ch.iQuery, pOp->p4.z, u.ch.nArg, u.ch.apArg); p->inVtabMethod = 0; sqlite3DbFree(db, p->zErrMsg); - p->zErrMsg = u.ci.pVtab->zErrMsg; - u.ci.pVtab->zErrMsg = 0; - sqlite3VtabUnlock(db, u.ci.pVtab); + p->zErrMsg = u.ch.pVtab->zErrMsg; + u.ch.pVtab->zErrMsg = 0; if( rc==SQLITE_OK ){ - u.ci.res = u.ci.pModule->xEof(u.ci.pVtabCursor); + u.ch.res = u.ch.pModule->xEof(u.ch.pVtabCursor); } if( sqlite3SafetyOn(db) ) goto abort_due_to_misuse; - if( u.ci.res ){ + if( u.ch.res ){ pc = pOp->p2 - 1; } } - u.ci.pCur->nullRow = 0; + u.ch.pCur->nullRow = 0; break; } @@ -56062,56 +56147,56 @@ case OP_VFilter: { /* jump */ ** P1 cursor is pointing to into register P3. */ case OP_VColumn: { -#if 0 /* local variables moved into u.cj */ +#if 0 /* local variables moved into u.ci */ sqlite3_vtab *pVtab; const sqlite3_module *pModule; Mem *pDest; sqlite3_context sContext; -#endif /* local variables moved into u.cj */ +#endif /* local variables moved into u.ci */ VdbeCursor *pCur = p->apCsr[pOp->p1]; assert( pCur->pVtabCursor ); assert( pOp->p3>0 && pOp->p3<=p->nMem ); - u.cj.pDest = &p->aMem[pOp->p3]; + u.ci.pDest = &p->aMem[pOp->p3]; if( pCur->nullRow ){ - sqlite3VdbeMemSetNull(u.cj.pDest); + sqlite3VdbeMemSetNull(u.ci.pDest); break; } - u.cj.pVtab = pCur->pVtabCursor->pVtab; - u.cj.pModule = u.cj.pVtab->pModule; - assert( u.cj.pModule->xColumn ); - memset(&u.cj.sContext, 0, sizeof(u.cj.sContext)); + u.ci.pVtab = pCur->pVtabCursor->pVtab; + u.ci.pModule = u.ci.pVtab->pModule; + assert( u.ci.pModule->xColumn ); + memset(&u.ci.sContext, 0, sizeof(u.ci.sContext)); /* The output cell may already have a buffer allocated. Move - ** the current contents to u.cj.sContext.s so in case the user-function + ** the current contents to u.ci.sContext.s so in case the user-function ** can use the already allocated buffer instead of allocating a ** new one. */ - sqlite3VdbeMemMove(&u.cj.sContext.s, u.cj.pDest); - MemSetTypeFlag(&u.cj.sContext.s, MEM_Null); + sqlite3VdbeMemMove(&u.ci.sContext.s, u.ci.pDest); + MemSetTypeFlag(&u.ci.sContext.s, MEM_Null); if( sqlite3SafetyOff(db) ) goto abort_due_to_misuse; - rc = u.cj.pModule->xColumn(pCur->pVtabCursor, &u.cj.sContext, pOp->p2); + rc = u.ci.pModule->xColumn(pCur->pVtabCursor, &u.ci.sContext, pOp->p2); sqlite3DbFree(db, p->zErrMsg); - p->zErrMsg = u.cj.pVtab->zErrMsg; - u.cj.pVtab->zErrMsg = 0; - if( u.cj.sContext.isError ){ - rc = u.cj.sContext.isError; + p->zErrMsg = u.ci.pVtab->zErrMsg; + u.ci.pVtab->zErrMsg = 0; + if( u.ci.sContext.isError ){ + rc = u.ci.sContext.isError; } /* Copy the result of the function to the P3 register. We ** do this regardless of whether or not an error occurred to ensure any - ** dynamic allocation in u.cj.sContext.s (a Mem struct) is released. + ** dynamic allocation in u.ci.sContext.s (a Mem struct) is released. */ - sqlite3VdbeChangeEncoding(&u.cj.sContext.s, encoding); - REGISTER_TRACE(pOp->p3, u.cj.pDest); - sqlite3VdbeMemMove(u.cj.pDest, &u.cj.sContext.s); - UPDATE_MAX_BLOBSIZE(u.cj.pDest); + sqlite3VdbeChangeEncoding(&u.ci.sContext.s, encoding); + REGISTER_TRACE(pOp->p3, u.ci.pDest); + sqlite3VdbeMemMove(u.ci.pDest, &u.ci.sContext.s); + UPDATE_MAX_BLOBSIZE(u.ci.pDest); if( sqlite3SafetyOn(db) ){ goto abort_due_to_misuse; } - if( sqlite3VdbeMemTooBig(u.cj.pDest) ){ + if( sqlite3VdbeMemTooBig(u.ci.pDest) ){ goto too_big; } break; @@ -56126,22 +56211,22 @@ case OP_VColumn: { ** the end of its result set, then fall through to the next instruction. */ case OP_VNext: { /* jump */ -#if 0 /* local variables moved into u.ck */ +#if 0 /* local variables moved into u.cj */ sqlite3_vtab *pVtab; const sqlite3_module *pModule; int res; VdbeCursor *pCur; -#endif /* local variables moved into u.ck */ +#endif /* local variables moved into u.cj */ - u.ck.res = 0; - u.ck.pCur = p->apCsr[pOp->p1]; - assert( u.ck.pCur->pVtabCursor ); - if( u.ck.pCur->nullRow ){ + u.cj.res = 0; + u.cj.pCur = p->apCsr[pOp->p1]; + assert( u.cj.pCur->pVtabCursor ); + if( u.cj.pCur->nullRow ){ break; } - u.ck.pVtab = u.ck.pCur->pVtabCursor->pVtab; - u.ck.pModule = u.ck.pVtab->pModule; - assert( u.ck.pModule->xNext ); + u.cj.pVtab = u.cj.pCur->pVtabCursor->pVtab; + u.cj.pModule = u.cj.pVtab->pModule; + assert( u.cj.pModule->xNext ); /* Invoke the xNext() method of the module. There is no way for the ** underlying implementation to return an error if one occurs during @@ -56150,20 +56235,18 @@ case OP_VNext: { /* jump */ ** some other method is next invoked on the save virtual table cursor. */ if( sqlite3SafetyOff(db) ) goto abort_due_to_misuse; - sqlite3VtabLock(u.ck.pVtab); p->inVtabMethod = 1; - rc = u.ck.pModule->xNext(u.ck.pCur->pVtabCursor); + rc = u.cj.pModule->xNext(u.cj.pCur->pVtabCursor); p->inVtabMethod = 0; sqlite3DbFree(db, p->zErrMsg); - p->zErrMsg = u.ck.pVtab->zErrMsg; - u.ck.pVtab->zErrMsg = 0; - sqlite3VtabUnlock(db, u.ck.pVtab); + p->zErrMsg = u.cj.pVtab->zErrMsg; + u.cj.pVtab->zErrMsg = 0; if( rc==SQLITE_OK ){ - u.ck.res = u.ck.pModule->xEof(u.ck.pCur->pVtabCursor); + u.cj.res = u.cj.pModule->xEof(u.cj.pCur->pVtabCursor); } if( sqlite3SafetyOn(db) ) goto abort_due_to_misuse; - if( !u.ck.res ){ + if( !u.cj.res ){ /* If there is data, jump to P2 */ pc = pOp->p2 - 1; } @@ -56179,23 +56262,21 @@ case OP_VNext: { /* jump */ ** in register P1 is passed as the zName argument to the xRename method. */ case OP_VRename: { -#if 0 /* local variables moved into u.cl */ +#if 0 /* local variables moved into u.ck */ sqlite3_vtab *pVtab; Mem *pName; -#endif /* local variables moved into u.cl */ +#endif /* local variables moved into u.ck */ - u.cl.pVtab = pOp->p4.pVtab; - u.cl.pName = &p->aMem[pOp->p1]; - assert( u.cl.pVtab->pModule->xRename ); - REGISTER_TRACE(pOp->p1, u.cl.pName); - assert( u.cl.pName->flags & MEM_Str ); + u.ck.pVtab = pOp->p4.pVtab->pVtab; + u.ck.pName = &p->aMem[pOp->p1]; + assert( u.ck.pVtab->pModule->xRename ); + REGISTER_TRACE(pOp->p1, u.ck.pName); + assert( u.ck.pName->flags & MEM_Str ); if( sqlite3SafetyOff(db) ) goto abort_due_to_misuse; - sqlite3VtabLock(u.cl.pVtab); - rc = u.cl.pVtab->pModule->xRename(u.cl.pVtab, u.cl.pName->z); + rc = u.ck.pVtab->pModule->xRename(u.ck.pVtab, u.ck.pName->z); sqlite3DbFree(db, p->zErrMsg); - p->zErrMsg = u.cl.pVtab->zErrMsg; - u.cl.pVtab->zErrMsg = 0; - sqlite3VtabUnlock(db, u.cl.pVtab); + p->zErrMsg = u.ck.pVtab->zErrMsg; + u.ck.pVtab->zErrMsg = 0; if( sqlite3SafetyOn(db) ) goto abort_due_to_misuse; break; @@ -56227,7 +56308,7 @@ case OP_VRename: { ** is set to the value of the rowid for the row just inserted. */ case OP_VUpdate: { -#if 0 /* local variables moved into u.cm */ +#if 0 /* local variables moved into u.cl */ sqlite3_vtab *pVtab; sqlite3_module *pModule; int nArg; @@ -56235,31 +56316,29 @@ case OP_VUpdate: { sqlite_int64 rowid; Mem **apArg; Mem *pX; -#endif /* local variables moved into u.cm */ +#endif /* local variables moved into u.cl */ - u.cm.pVtab = pOp->p4.pVtab; - u.cm.pModule = (sqlite3_module *)u.cm.pVtab->pModule; - u.cm.nArg = pOp->p2; + u.cl.pVtab = pOp->p4.pVtab->pVtab; + u.cl.pModule = (sqlite3_module *)u.cl.pVtab->pModule; + u.cl.nArg = pOp->p2; assert( pOp->p4type==P4_VTAB ); - if( ALWAYS(u.cm.pModule->xUpdate) ){ - u.cm.apArg = p->apArg; - u.cm.pX = &p->aMem[pOp->p3]; - for(u.cm.i=0; u.cm.i<u.cm.nArg; u.cm.i++){ - storeTypeInfo(u.cm.pX, 0); - u.cm.apArg[u.cm.i] = u.cm.pX; - u.cm.pX++; + if( ALWAYS(u.cl.pModule->xUpdate) ){ + u.cl.apArg = p->apArg; + u.cl.pX = &p->aMem[pOp->p3]; + for(u.cl.i=0; u.cl.i<u.cl.nArg; u.cl.i++){ + storeTypeInfo(u.cl.pX, 0); + u.cl.apArg[u.cl.i] = u.cl.pX; + u.cl.pX++; } if( sqlite3SafetyOff(db) ) goto abort_due_to_misuse; - sqlite3VtabLock(u.cm.pVtab); - rc = u.cm.pModule->xUpdate(u.cm.pVtab, u.cm.nArg, u.cm.apArg, &u.cm.rowid); + rc = u.cl.pModule->xUpdate(u.cl.pVtab, u.cl.nArg, u.cl.apArg, &u.cl.rowid); sqlite3DbFree(db, p->zErrMsg); - p->zErrMsg = u.cm.pVtab->zErrMsg; - u.cm.pVtab->zErrMsg = 0; - sqlite3VtabUnlock(db, u.cm.pVtab); + p->zErrMsg = u.cl.pVtab->zErrMsg; + u.cl.pVtab->zErrMsg = 0; if( sqlite3SafetyOn(db) ) goto abort_due_to_misuse; if( rc==SQLITE_OK && pOp->p1 ){ - assert( u.cm.nArg>1 && u.cm.apArg[0] && (u.cm.apArg[0]->flags&MEM_Null) ); - db->lastRowid = u.cm.rowid; + assert( u.cl.nArg>1 && u.cl.apArg[0] && (u.cl.apArg[0]->flags&MEM_Null) ); + db->lastRowid = u.cl.rowid; } p->nChange++; } @@ -56273,21 +56352,21 @@ case OP_VUpdate: { ** Write the current number of pages in database P1 to memory cell P2. */ case OP_Pagecount: { /* out2-prerelease */ -#if 0 /* local variables moved into u.cn */ +#if 0 /* local variables moved into u.cm */ int p1; int nPage; Pager *pPager; -#endif /* local variables moved into u.cn */ +#endif /* local variables moved into u.cm */ - u.cn.p1 = pOp->p1; - u.cn.pPager = sqlite3BtreePager(db->aDb[u.cn.p1].pBt); - rc = sqlite3PagerPagecount(u.cn.pPager, &u.cn.nPage); + u.cm.p1 = pOp->p1; + u.cm.pPager = sqlite3BtreePager(db->aDb[u.cm.p1].pBt); + rc = sqlite3PagerPagecount(u.cm.pPager, &u.cm.nPage); /* OP_Pagecount is always called from within a read transaction. The ** page count has already been successfully read and cached. So the ** sqlite3PagerPagecount() call above cannot fail. */ if( ALWAYS(rc==SQLITE_OK) ){ pOut->flags = MEM_Int; - pOut->u.i = u.cn.nPage; + pOut->u.i = u.cm.nPage; } break; } @@ -56300,18 +56379,18 @@ case OP_Pagecount: { /* out2-prerelease */ ** the UTF-8 string contained in P4 is emitted on the trace callback. */ case OP_Trace: { -#if 0 /* local variables moved into u.co */ +#if 0 /* local variables moved into u.cn */ char *zTrace; -#endif /* local variables moved into u.co */ +#endif /* local variables moved into u.cn */ - u.co.zTrace = (pOp->p4.z ? pOp->p4.z : p->zSql); - if( u.co.zTrace ){ + u.cn.zTrace = (pOp->p4.z ? pOp->p4.z : p->zSql); + if( u.cn.zTrace ){ if( db->xTrace ){ - db->xTrace(db->pTraceArg, u.co.zTrace); + db->xTrace(db->pTraceArg, u.cn.zTrace); } #ifdef SQLITE_DEBUG if( (db->flags & SQLITE_SqlTrace)!=0 ){ - sqlite3DebugPrintf("SQL-trace: %s\n", u.co.zTrace); + sqlite3DebugPrintf("SQL-trace: %s\n", u.cn.zTrace); } #endif /* SQLITE_DEBUG */ } @@ -56506,19 +56585,18 @@ SQLITE_API int sqlite3_blob_open( static const VdbeOpList openBlob[] = { {OP_Transaction, 0, 0, 0}, /* 0: Start a transaction */ {OP_VerifyCookie, 0, 0, 0}, /* 1: Check the schema cookie */ - - /* One of the following two instructions is replaced by an - ** OP_Noop before exection. - */ - {OP_OpenRead, 0, 0, 0}, /* 2: Open cursor 0 for reading */ - {OP_OpenWrite, 0, 0, 0}, /* 3: Open cursor 0 for read/write */ - - {OP_Variable, 1, 1, 1}, /* 4: Push the rowid to the stack */ - {OP_NotExists, 0, 8, 1}, /* 5: Seek the cursor */ - {OP_Column, 0, 0, 1}, /* 6 */ - {OP_ResultRow, 1, 0, 0}, /* 7 */ - {OP_Close, 0, 0, 0}, /* 8 */ - {OP_Halt, 0, 0, 0}, /* 9 */ + {OP_TableLock, 0, 0, 0}, /* 2: Acquire a read or write lock */ + + /* One of the following two instructions is replaced by an OP_Noop. */ + {OP_OpenRead, 0, 0, 0}, /* 3: Open cursor 0 for reading */ + {OP_OpenWrite, 0, 0, 0}, /* 4: Open cursor 0 for read/write */ + + {OP_Variable, 1, 1, 1}, /* 5: Push the rowid to the stack */ + {OP_NotExists, 0, 9, 1}, /* 6: Seek the cursor */ + {OP_Column, 0, 0, 1}, /* 7 */ + {OP_ResultRow, 1, 0, 0}, /* 8 */ + {OP_Close, 0, 0, 0}, /* 9 */ + {OP_Halt, 0, 0, 0}, /* 10 */ }; Vdbe *v = 0; @@ -56610,10 +56688,11 @@ SQLITE_API int sqlite3_blob_open( if( v ){ int iDb = sqlite3SchemaToIndex(db, pTab->pSchema); sqlite3VdbeAddOpList(v, sizeof(openBlob)/sizeof(VdbeOpList), openBlob); + flags = !!flags; /* flags = (flags ? 1 : 0); */ /* Configure the OP_Transaction */ sqlite3VdbeChangeP1(v, 0, iDb); - sqlite3VdbeChangeP2(v, 0, (flags ? 1 : 0)); + sqlite3VdbeChangeP2(v, 0, flags); /* Configure the OP_VerifyCookie */ sqlite3VdbeChangeP1(v, 1, iDb); @@ -56622,13 +56701,17 @@ SQLITE_API int sqlite3_blob_open( /* Make sure a mutex is held on the table to be accessed */ sqlite3VdbeUsesBtree(v, iDb); + /* Configure the OP_TableLock instruction */ + sqlite3VdbeChangeP1(v, 2, iDb); + sqlite3VdbeChangeP2(v, 2, pTab->tnum); + sqlite3VdbeChangeP3(v, 2, flags); + sqlite3VdbeChangeP4(v, 2, pTab->zName, P4_TRANSIENT); + /* Remove either the OP_OpenWrite or OpenRead. Set the P2 - ** parameter of the other to pTab->tnum. - */ - flags = !!flags; - sqlite3VdbeChangeToNoop(v, 3 - flags, 1); - sqlite3VdbeChangeP2(v, 2 + flags, pTab->tnum); - sqlite3VdbeChangeP3(v, 2 + flags, iDb); + ** parameter of the other to pTab->tnum. */ + sqlite3VdbeChangeToNoop(v, 4 - flags, 1); + sqlite3VdbeChangeP2(v, 3 + flags, pTab->tnum); + sqlite3VdbeChangeP3(v, 3 + flags, iDb); /* Configure the number of columns. Configure the cursor to ** think that the table has one more column than it really @@ -56637,8 +56720,8 @@ SQLITE_API int sqlite3_blob_open( ** we can invoke OP_Column to fill in the vdbe cursors type ** and offset cache without causing any IO. */ - sqlite3VdbeChangeP4(v, 2+flags, SQLITE_INT_TO_PTR(pTab->nCol+1),P4_INT32); - sqlite3VdbeChangeP2(v, 6, pTab->nCol); + sqlite3VdbeChangeP4(v, 3+flags, SQLITE_INT_TO_PTR(pTab->nCol+1),P4_INT32); + sqlite3VdbeChangeP2(v, 7, pTab->nCol); if( !db->mallocFailed ){ sqlite3VdbeMakeReady(v, 1, 1, 1, 0); } @@ -59501,9 +59584,8 @@ SQLITE_PRIVATE ExprList *sqlite3ExprListDup(sqlite3 *db, ExprList *p, int flags) } pOldItem = p->a; for(i=0; i<p->nExpr; i++, pItem++, pOldItem++){ - Expr *pNewExpr; Expr *pOldExpr = pOldItem->pExpr; - pItem->pExpr = pNewExpr = sqlite3ExprDup(db, pOldExpr, flags); + pItem->pExpr = sqlite3ExprDup(db, pOldExpr, flags); pItem->zName = sqlite3DbStrDup(db, pOldItem->zName); pItem->zSpan = sqlite3DbStrDup(db, pOldItem->zSpan); pItem->sortOrder = pOldItem->sortOrder; @@ -60540,12 +60622,7 @@ SQLITE_PRIVATE int sqlite3ExprCodeGetColumn( }else if( ALWAYS(pTab!=0) ){ int op = IsVirtual(pTab) ? OP_VColumn : OP_Column; sqlite3VdbeAddOp3(v, op, iTable, iColumn, iReg); - sqlite3ColumnDefault(v, pTab, iColumn); -#ifndef SQLITE_OMIT_FLOATING_POINT - if( pTab->aCol[iColumn].affinity==SQLITE_AFF_REAL ){ - sqlite3VdbeAddOp1(v, OP_RealAffinity, iReg); - } -#endif + sqlite3ColumnDefault(v, pTab, iColumn, iReg); } sqlite3ExprCacheStore(pParse, iTable, iColumn, iReg); return iReg; @@ -62387,7 +62464,7 @@ SQLITE_PRIVATE void sqlite3AlterRenameTable( #ifndef SQLITE_OMIT_TRIGGER char *zWhere = 0; /* Where clause to locate temp triggers */ #endif - int isVirtualRename = 0; /* True if this is a v-table with an xRename() */ + VTable *pVTab = 0; /* Non-zero if this is a v-tab with an xRename() */ if( NEVER(db->mallocFailed) ) goto exit_rename_table; assert( pSrc->nSrc==1 ); @@ -62442,8 +62519,11 @@ SQLITE_PRIVATE void sqlite3AlterRenameTable( if( sqlite3ViewGetColumnNames(pParse, pTab) ){ goto exit_rename_table; } - if( IsVirtual(pTab) && pTab->pMod->pModule->xRename ){ - isVirtualRename = 1; + if( IsVirtual(pTab) ){ + pVTab = sqlite3GetVTable(db, pTab); + if( pVTab->pVtab->pModule->xRename==0 ){ + pVTab = 0; + } } #endif @@ -62456,7 +62536,7 @@ SQLITE_PRIVATE void sqlite3AlterRenameTable( if( v==0 ){ goto exit_rename_table; } - sqlite3BeginWriteOperation(pParse, isVirtualRename, iDb); + sqlite3BeginWriteOperation(pParse, pVTab!=0, iDb); sqlite3ChangeCookie(pParse, iDb); /* If this is a virtual table, invoke the xRename() function if @@ -62465,10 +62545,10 @@ SQLITE_PRIVATE void sqlite3AlterRenameTable( ** SQLite tables) that are identified by the name of the virtual table. */ #ifndef SQLITE_OMIT_VIRTUALTABLE - if( isVirtualRename ){ + if( pVTab ){ int i = ++pParse->nMem; sqlite3VdbeAddOp4(v, OP_String8, 0, i, 0, zName, 0); - sqlite3VdbeAddOp4(v, OP_VRename, i, 0, 0,(const char*)pTab->pVtab, P4_VTAB); + sqlite3VdbeAddOp4(v, OP_VRename, i, 0, 0,(const char*)pVTab, P4_VTAB); } #endif @@ -63852,7 +63932,6 @@ SQLITE_PRIVATE void sqlite3AuthRead( const char *zCol; /* Name of the column of the table */ int iSrc; /* Index in pTabList->a[] of table being read */ const char *zDBase; /* Name of database being accessed */ - TriggerStack *pStack; /* The stack of current triggers */ int iDb; /* The index of the database the expression refers to */ if( db->xAuth==0 ) return; @@ -63864,17 +63943,18 @@ SQLITE_PRIVATE void sqlite3AuthRead( return; } if( pTabList ){ - for(iSrc=0; ALWAYS(iSrc<pTabList->nSrc); iSrc++){ - if( pExpr->iTable==pTabList->a[iSrc].iCursor ) break; + for(iSrc=0; iSrc<pTabList->nSrc; iSrc++){ + if( pExpr->iTable==pTabList->a[iSrc].iCursor ){ + pTab = pTabList->a[iSrc].pTab; + break; + } } - assert( iSrc<pTabList->nSrc ); - pTab = pTabList->a[iSrc].pTab; - }else{ - pStack = pParse->trigStack; + } + if( !pTab ){ + TriggerStack *pStack = pParse->trigStack; if( ALWAYS(pStack) ){ /* This must be an attempt to read the NEW or OLD pseudo-tables - ** of a trigger. - */ + ** of a trigger. */ assert( pExpr->iTable==pStack->newIdx || pExpr->iTable==pStack->oldIdx ); pTab = pStack->pTab; } @@ -64139,7 +64219,7 @@ SQLITE_PRIVATE void sqlite3FinishCoding(Parse *pParse){ { int i; for(i=0; i<pParse->nVtabLock; i++){ - char *vtab = (char *)pParse->apVtabLock[i]->pVtab; + char *vtab = (char *)sqlite3GetVTable(db, pParse->apVtabLock[i]); sqlite3VdbeAddOp4(v, OP_VBegin, 0, 0, 0, vtab, P4_VTAB); } pParse->nVtabLock = 0; @@ -64401,6 +64481,7 @@ SQLITE_PRIVATE void sqlite3ResetInternalSchema(sqlite3 *db, int iDb){ } assert( iDb==0 ); db->flags &= ~SQLITE_InternChanges; + sqlite3VtabUnlockList(db); sqlite3BtreeLeaveAll(db); /* If one or more of the auxiliary database files has been closed, @@ -65979,7 +66060,7 @@ SQLITE_PRIVATE void sqlite3DropTable(Parse *pParse, SrcList *pName, int isView, #ifndef SQLITE_OMIT_VIRTUALTABLE }else if( IsVirtual(pTab) ){ code = SQLITE_DROP_VTABLE; - zArg2 = pTab->pMod->zName; + zArg2 = sqlite3GetVTable(db, pTab)->pMod->zName; #endif }else{ if( !OMIT_TEMPDB && iDb==1 ){ @@ -67185,12 +67266,15 @@ SQLITE_PRIVATE SrcList *sqlite3SrcListAppendFromTerm( ){ struct SrcList_item *pItem; sqlite3 *db = pParse->db; + if( !p && (pOn || pUsing) ){ + sqlite3ErrorMsg(pParse, "a JOIN clause is required before %s", + (pOn ? "ON" : "USING") + ); + goto append_from_error; + } p = sqlite3SrcListAppend(db, p, pTable, pDatabase); if( p==0 || NEVER(p->nSrc==0) ){ - sqlite3ExprDelete(db, pOn); - sqlite3IdListDelete(db, pUsing); - sqlite3SelectDelete(db, pSubquery); - return p; + goto append_from_error; } pItem = &p->a[p->nSrc-1]; assert( pAlias!=0 ); @@ -67201,6 +67285,13 @@ SQLITE_PRIVATE SrcList *sqlite3SrcListAppendFromTerm( pItem->pOn = pOn; pItem->pUsing = pUsing; return p; + + append_from_error: + assert( p==0 ); + sqlite3ExprDelete(db, pOn); + sqlite3IdListDelete(db, pUsing); + sqlite3SelectDelete(db, pSubquery); + return 0; } /* @@ -68099,16 +68190,26 @@ SQLITE_PRIVATE Table *sqlite3SrcListLookup(Parse *pParse, SrcList *pSrc){ ** writable return 0; */ SQLITE_PRIVATE int sqlite3IsReadOnly(Parse *pParse, Table *pTab, int viewOk){ - if( ((pTab->tabFlags & TF_Readonly)!=0 - && (pParse->db->flags & SQLITE_WriteSchema)==0 - && pParse->nested==0) -#ifndef SQLITE_OMIT_VIRTUALTABLE - || (pTab->pMod && pTab->pMod->pModule->xUpdate==0) -#endif + /* A table is not writable under the following circumstances: + ** + ** 1) It is a virtual table and no implementation of the xUpdate method + ** has been provided, or + ** 2) It is a system table (i.e. sqlite_master), this call is not + ** part of a nested parse and writable_schema pragma has not + ** been specified. + ** + ** In either case leave an error message in pParse and return non-zero. + */ + if( ( IsVirtual(pTab) + && sqlite3GetVTable(pParse->db, pTab)->pMod->pModule->xUpdate==0 ) + || ( (pTab->tabFlags & TF_Readonly)!=0 + && (pParse->db->flags & SQLITE_WriteSchema)==0 + && pParse->nested==0 ) ){ sqlite3ErrorMsg(pParse, "table %s may not be modified", pTab->zName); return 1; } + #ifndef SQLITE_OMIT_VIEW if( !viewOk && pTab->pSelect ){ sqlite3ErrorMsg(pParse,"cannot modify %s because it is a view",pTab->zName); @@ -68290,7 +68391,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( int iEndBeforeTrigger = 0; /* Exit of before trigger program */ u32 old_col_mask = 0; /* Mask of OLD.* columns in use */ - sContext.pParse = 0; + memset(&sContext, 0, sizeof(sContext)); db = pParse->db; if( pParse->nErr || db->mallocFailed ){ goto delete_from_cleanup; @@ -68320,6 +68421,12 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( # define isView 0 #endif + /* If pTab is really a view, make sure it has been initialized. + */ + if( sqlite3ViewGetColumnNames(pParse, pTab) ){ + goto delete_from_cleanup; + } + if( sqlite3IsReadOnly(pParse, pTab, (pTrigger?1:0)) ){ goto delete_from_cleanup; } @@ -68333,12 +68440,6 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( } assert(!isView || pTrigger); - /* If pTab is really a view, make sure it has been initialized. - */ - if( sqlite3ViewGetColumnNames(pParse, pTab) ){ - goto delete_from_cleanup; - } - /* Allocate a cursor used to store the old.* data for a trigger. */ if( pTrigger ){ @@ -68499,9 +68600,9 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( /* Delete the row */ #ifndef SQLITE_OMIT_VIRTUALTABLE if( IsVirtual(pTab) ){ - const char *pVtab = (const char *)pTab->pVtab; + const char *pVTab = (const char *)sqlite3GetVTable(db, pTab); sqlite3VtabMakeWritable(pParse, pTab); - sqlite3VdbeAddOp4(v, OP_VUpdate, 0, 1, iRowid, pVtab, P4_VTAB); + sqlite3VdbeAddOp4(v, OP_VUpdate, 0, 1, iRowid, pVTab, P4_VTAB); }else #endif { @@ -68663,7 +68764,7 @@ SQLITE_PRIVATE int sqlite3GenerateIndexKey( sqlite3VdbeAddOp2(v, OP_SCopy, regBase+nCol, regBase+j); }else{ sqlite3VdbeAddOp3(v, OP_Column, iCur, idx, regBase+j); - sqlite3ColumnDefault(v, pTab, idx); + sqlite3ColumnDefault(v, pTab, idx, -1); } } if( doMakeRec ){ @@ -70289,9 +70390,14 @@ SQLITE_PRIVATE void sqlite3TableAffinityStr(Vdbe *v, Table *pTab){ ** a statement of the form "INSERT INTO <iDb, pTab> SELECT ..." can ** run without using temporary table for the results of the SELECT. */ -static int readsTable(Vdbe *v, int iStartAddr, int iDb, Table *pTab){ +static int readsTable(Parse *p, int iStartAddr, int iDb, Table *pTab){ + Vdbe *v = sqlite3GetVdbe(p); int i; int iEnd = sqlite3VdbeCurrentAddr(v); +#ifndef SQLITE_OMIT_VIRTUALTABLE + VTable *pVTab = IsVirtual(pTab) ? sqlite3GetVTable(p->db, pTab) : 0; +#endif + for(i=iStartAddr; i<iEnd; i++){ VdbeOp *pOp = sqlite3VdbeGetOp(v, i); assert( pOp!=0 ); @@ -70308,7 +70414,7 @@ static int readsTable(Vdbe *v, int iStartAddr, int iDb, Table *pTab){ } } #ifndef SQLITE_OMIT_VIRTUALTABLE - if( pOp->opcode==OP_VOpen && pOp->p4.pVtab==pTab->pVtab ){ + if( pOp->opcode==OP_VOpen && pOp->p4.pVtab==pVTab ){ assert( pOp->p4.pVtab!=0 ); assert( pOp->p4type==P4_VTAB ); return 1; @@ -70662,15 +70768,6 @@ SQLITE_PRIVATE void sqlite3Insert( #endif assert( (pTrigger && tmask) || (pTrigger==0 && tmask==0) ); - /* Ensure that: - * (a) the table is not read-only, - * (b) that if it is a view then ON INSERT triggers exist - */ - if( sqlite3IsReadOnly(pParse, pTab, tmask) ){ - goto insert_cleanup; - } - assert( pTab!=0 ); - /* If pTab is really a view, make sure it has been initialized. ** ViewGetColumnNames() is a no-op if pTab is not a view (or virtual ** module table). @@ -70679,6 +70776,14 @@ SQLITE_PRIVATE void sqlite3Insert( goto insert_cleanup; } + /* Ensure that: + * (a) the table is not read-only, + * (b) that if it is a view then ON INSERT triggers exist + */ + if( sqlite3IsReadOnly(pParse, pTab, tmask) ){ + goto insert_cleanup; + } + /* Allocate a VDBE */ v = sqlite3GetVdbe(pParse); @@ -70778,7 +70883,7 @@ SQLITE_PRIVATE void sqlite3Insert( ** of the tables being read by the SELECT statement. Also use a ** temp table in the case of row triggers. */ - if( pTrigger || readsTable(v, addrSelect, iDb, pTab) ){ + if( pTrigger || readsTable(pParse, addrSelect, iDb, pTab) ){ useTempTable = 1; } @@ -71134,9 +71239,9 @@ SQLITE_PRIVATE void sqlite3Insert( */ #ifndef SQLITE_OMIT_VIRTUALTABLE if( IsVirtual(pTab) ){ + const char *pVTab = (const char *)sqlite3GetVTable(db, pTab); sqlite3VtabMakeWritable(pParse, pTab); - sqlite3VdbeAddOp4(v, OP_VUpdate, 1, pTab->nCol+2, regIns, - (const char*)pTab->pVtab, P4_VTAB); + sqlite3VdbeAddOp4(v, OP_VUpdate, 1, pTab->nCol+2, regIns, pVTab, P4_VTAB); }else #endif { @@ -72093,6 +72198,9 @@ exec_out: *pzErrMsg = sqlite3Malloc(nErrMsg); if( *pzErrMsg ){ memcpy(*pzErrMsg, sqlite3_errmsg(db), nErrMsg); + }else{ + rc = SQLITE_NOMEM; + sqlite3Error(db, SQLITE_NOMEM, 0); } }else if( pzErrMsg ){ *pzErrMsg = 0; @@ -73419,12 +73527,13 @@ SQLITE_PRIVATE void sqlite3Pragma( */ if( sqlite3StrICmp(zLeft,"default_cache_size")==0 ){ static const VdbeOpList getCacheSize[] = { - { OP_ReadCookie, 0, 1, BTREE_DEFAULT_CACHE_SIZE}, /* 0 */ - { OP_IfPos, 1, 6, 0}, + { OP_Transaction, 0, 0, 0}, /* 0 */ + { OP_ReadCookie, 0, 1, BTREE_DEFAULT_CACHE_SIZE}, /* 1 */ + { OP_IfPos, 1, 7, 0}, { OP_Integer, 0, 2, 0}, { OP_Subtract, 1, 2, 1}, - { OP_IfPos, 1, 6, 0}, - { OP_Integer, 0, 1, 0}, /* 5 */ + { OP_IfPos, 1, 7, 0}, + { OP_Integer, 0, 1, 0}, /* 6 */ { OP_ResultRow, 1, 1, 0}, }; int addr; @@ -73436,7 +73545,8 @@ SQLITE_PRIVATE void sqlite3Pragma( pParse->nMem += 2; addr = sqlite3VdbeAddOpList(v, ArraySize(getCacheSize), getCacheSize); sqlite3VdbeChangeP1(v, addr, iDb); - sqlite3VdbeChangeP1(v, addr+5, SQLITE_DEFAULT_CACHE_SIZE); + sqlite3VdbeChangeP1(v, addr+1, iDb); + sqlite3VdbeChangeP1(v, addr+6, SQLITE_DEFAULT_CACHE_SIZE); }else{ int size = atoi(zRight); if( size<0 ) size = -size; @@ -74403,12 +74513,14 @@ SQLITE_PRIVATE void sqlite3Pragma( }else{ /* Read the specified cookie value */ static const VdbeOpList readCookie[] = { - { OP_ReadCookie, 0, 1, 0}, /* 0 */ + { OP_Transaction, 0, 0, 0}, /* 0 */ + { OP_ReadCookie, 0, 1, 0}, /* 1 */ { OP_ResultRow, 1, 1, 0} }; int addr = sqlite3VdbeAddOpList(v, ArraySize(readCookie), readCookie); sqlite3VdbeChangeP1(v, addr, iDb); - sqlite3VdbeChangeP3(v, addr, iCookie); + sqlite3VdbeChangeP1(v, addr+1, iDb); + sqlite3VdbeChangeP3(v, addr+1, iCookie); sqlite3VdbeSetNumCols(v, 1); sqlite3VdbeSetColName(v, 0, COLNAME_NAME, zLeft, SQLITE_TRANSIENT); } @@ -74547,11 +74659,11 @@ static void corruptSchema( sqlite3 *db = pData->db; if( !db->mallocFailed && (db->flags & SQLITE_RecoveryMode)==0 ){ if( zObj==0 ) zObj = "?"; - sqlite3SetString(pData->pzErrMsg, pData->db, - "malformed database schema (%s)", zObj); + sqlite3SetString(pData->pzErrMsg, db, + "malformed database schema (%s)", zObj); if( zExtra ){ - *pData->pzErrMsg = sqlite3MAppendf(pData->db, *pData->pzErrMsg, "%s - %s", - *pData->pzErrMsg, zExtra); + *pData->pzErrMsg = sqlite3MAppendf(db, *pData->pzErrMsg, + "%s - %s", *pData->pzErrMsg, zExtra); } } pData->rc = db->mallocFailed ? SQLITE_NOMEM : SQLITE_CORRUPT; @@ -74598,15 +74710,20 @@ SQLITE_PRIVATE int sqlite3InitCallback(void *pInit, int argc, char **argv, char assert( db->init.busy ); db->init.iDb = iDb; db->init.newTnum = atoi(argv[1]); + db->init.orphanTrigger = 0; rc = sqlite3_exec(db, argv[2], 0, 0, &zErr); db->init.iDb = 0; assert( rc!=SQLITE_OK || zErr==0 ); if( SQLITE_OK!=rc ){ - pData->rc = rc; - if( rc==SQLITE_NOMEM ){ - db->mallocFailed = 1; - }else if( rc!=SQLITE_INTERRUPT && rc!=SQLITE_LOCKED ){ - corruptSchema(pData, argv[0], zErr); + if( db->init.orphanTrigger ){ + assert( iDb==1 ); + }else{ + pData->rc = rc; + if( rc==SQLITE_NOMEM ){ + db->mallocFailed = 1; + }else if( rc!=SQLITE_INTERRUPT && rc!=SQLITE_LOCKED ){ + corruptSchema(pData, argv[0], zErr); + } } sqlite3DbFree(db, zErr); } @@ -74646,7 +74763,6 @@ SQLITE_PRIVATE int sqlite3InitCallback(void *pInit, int argc, char **argv, char static int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg){ int rc; int i; - BtCursor *curMain; int size; Table *pTab; Db *pDb; @@ -74655,6 +74771,7 @@ static int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg){ InitData initData; char const *zMasterSchema; char const *zMasterName = SCHEMA_TABLE(iDb); + int openedTransaction = 0; /* ** The master database table has a structure like this @@ -74728,14 +74845,19 @@ static int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg){ } return SQLITE_OK; } - curMain = sqlite3MallocZero(sqlite3BtreeCursorSize()); - if( !curMain ){ - rc = SQLITE_NOMEM; - goto error_out; - } + + /* If there is not already a read-only (or read-write) transaction opened + ** on the b-tree database, open one now. If a transaction is opened, it + ** will be closed before this function returns. */ sqlite3BtreeEnter(pDb->pBt); - rc = sqlite3BtreeCursor(pDb->pBt, MASTER_ROOT, 0, 0, curMain); - if( rc==SQLITE_EMPTY ) rc = SQLITE_OK; + if( !sqlite3BtreeIsInReadTrans(pDb->pBt) ){ + rc = sqlite3BtreeBeginTrans(pDb->pBt, 0); + if( rc!=SQLITE_OK ){ + sqlite3SetString(pzErrMsg, db, "%s", sqlite3ErrStr(rc)); + goto initone_error_out; + } + openedTransaction = 1; + } /* Get the database meta information. ** @@ -74754,12 +74876,8 @@ static int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg){ ** Note: The #defined SQLITE_UTF* symbols in sqliteInt.h correspond to ** the possible values of meta[4]. */ - for(i=0; rc==SQLITE_OK && i<ArraySize(meta); i++){ - rc = sqlite3BtreeGetMeta(pDb->pBt, i+1, (u32 *)&meta[i]); - } - if( rc ){ - sqlite3SetString(pzErrMsg, db, "%s", sqlite3ErrStr(rc)); - goto initone_error_out; + for(i=0; i<ArraySize(meta); i++){ + sqlite3BtreeGetMeta(pDb->pBt, i+1, (u32 *)&meta[i]); } pDb->pSchema->schema_cookie = meta[BTREE_SCHEMA_VERSION-1]; @@ -74874,8 +74992,9 @@ static int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg){ ** before that point, jump to error_out. */ initone_error_out: - sqlite3BtreeCloseCursor(curMain); - sqlite3_free(curMain); + if( openedTransaction ){ + sqlite3BtreeCommit(pDb->pBt); + } sqlite3BtreeLeave(pDb->pBt); error_out: @@ -74953,43 +75072,47 @@ SQLITE_PRIVATE int sqlite3ReadSchema(Parse *pParse){ /* ** Check schema cookies in all databases. If any cookie is out -** of date, return 0. If all schema cookies are current, return 1. +** of date set pParse->rc to SQLITE_SCHEMA. If all schema cookies +** make no changes to pParse->rc. */ -static int schemaIsValid(sqlite3 *db){ +static void schemaIsValid(Parse *pParse){ + sqlite3 *db = pParse->db; int iDb; int rc; - BtCursor *curTemp; int cookie; - int allOk = 1; - curTemp = (BtCursor *)sqlite3Malloc(sqlite3BtreeCursorSize()); - if( curTemp ){ - assert( sqlite3_mutex_held(db->mutex) ); - for(iDb=0; allOk && iDb<db->nDb; iDb++){ - Btree *pBt; - pBt = db->aDb[iDb].pBt; - if( pBt==0 ) continue; - memset(curTemp, 0, sqlite3BtreeCursorSize()); - rc = sqlite3BtreeCursor(pBt, MASTER_ROOT, 0, 0, curTemp); - if( rc==SQLITE_OK ){ - rc = sqlite3BtreeGetMeta(pBt, BTREE_SCHEMA_VERSION, (u32 *)&cookie); - if( ALWAYS(rc==SQLITE_OK) - && cookie!=db->aDb[iDb].pSchema->schema_cookie ){ - allOk = 0; - } - sqlite3BtreeCloseCursor(curTemp); - } - if( NEVER(rc==SQLITE_NOMEM) || rc==SQLITE_IOERR_NOMEM ){ + assert( pParse->checkSchema ); + assert( sqlite3_mutex_held(db->mutex) ); + for(iDb=0; iDb<db->nDb; iDb++){ + int openedTransaction = 0; /* True if a transaction is opened */ + Btree *pBt = db->aDb[iDb].pBt; /* Btree database to read cookie from */ + if( pBt==0 ) continue; + + /* If there is not already a read-only (or read-write) transaction opened + ** on the b-tree database, open one now. If a transaction is opened, it + ** will be closed immediately after reading the meta-value. */ + if( !sqlite3BtreeIsInReadTrans(pBt) ){ + rc = sqlite3BtreeBeginTrans(pBt, 0); + if( rc==SQLITE_NOMEM || rc==SQLITE_IOERR_NOMEM ){ db->mallocFailed = 1; } + if( rc!=SQLITE_OK ) return; + openedTransaction = 1; } - sqlite3_free(curTemp); - }else{ - allOk = 0; - db->mallocFailed = 1; - } - return allOk; + /* Read the schema cookie from the database. If it does not match the + ** value stored as part of the in the in-memory schema representation, + ** set Parse.rc to SQLITE_SCHEMA. */ + sqlite3BtreeGetMeta(pBt, BTREE_SCHEMA_VERSION, (u32 *)&cookie); + if( cookie!=db->aDb[iDb].pSchema->schema_cookie ){ + pParse->rc = SQLITE_SCHEMA; + } + + /* Close the transaction, if one was opened. */ + if( openedTransaction ){ + sqlite3BtreeCommit(pBt); + } + } } /* @@ -75093,6 +75216,7 @@ static int sqlite3Prepare( } } + sqlite3VtabUnlockList(db); pParse->db = db; if( nBytes>=0 && (nBytes==0 || zSql[nBytes-1]!=0) ){ @@ -75122,8 +75246,8 @@ static int sqlite3Prepare( pParse->rc = SQLITE_NOMEM; } if( pParse->rc==SQLITE_DONE ) pParse->rc = SQLITE_OK; - if( pParse->checkSchema && !schemaIsValid(db) ){ - pParse->rc = SQLITE_SCHEMA; + if( pParse->checkSchema ){ + schemaIsValid(pParse); } if( pParse->rc==SQLITE_SCHEMA ){ sqlite3ResetInternalSchema(db, 0); @@ -77725,6 +77849,9 @@ static Expr *substExpr( assert( pEList!=0 && pExpr->iColumn<pEList->nExpr ); assert( pExpr->pLeft==0 && pExpr->pRight==0 ); pNew = sqlite3ExprDup(db, pEList->a[pExpr->iColumn].pExpr, 0); + if( pNew && pExpr->pColl ){ + pNew->pColl = pExpr->pColl; + } sqlite3ExprDelete(db, pExpr); pExpr = pNew; } @@ -79886,14 +80013,14 @@ SQLITE_PRIVATE void sqlite3BeginTrigger( int isTemp, /* True if the TEMPORARY keyword is present */ int noErr /* Suppress errors if the trigger already exists */ ){ - Trigger *pTrigger = 0; - Table *pTab; + Trigger *pTrigger = 0; /* The new trigger */ + Table *pTab; /* Table that the trigger fires off of */ char *zName = 0; /* Name of the trigger */ - sqlite3 *db = pParse->db; + sqlite3 *db = pParse->db; /* The database connection */ int iDb; /* The database to store the trigger in */ Token *pName; /* The unqualified db name */ - DbFixer sFix; - int iTabDb; + DbFixer sFix; /* State vector for the DB fixer */ + int iTabDb; /* Index of the database holding pTab */ assert( pName1!=0 ); /* pName1->z might be NULL, but not pName1 itself */ assert( pName2!=0 ); @@ -79938,6 +80065,17 @@ SQLITE_PRIVATE void sqlite3BeginTrigger( pTab = sqlite3SrcListLookup(pParse, pTableName); if( !pTab ){ /* The table does not exist. */ + if( db->init.iDb==1 ){ + /* Ticket #3810. + ** Normally, whenever a table is dropped, all associated triggers are + ** dropped too. But if a TEMP trigger is created on a non-TEMP table + ** and the table is dropped by a different database connection, the + ** trigger is not visible to the database connection that does the + ** drop so the trigger cannot be dropped. This results in an + ** "orphaned trigger" - a trigger whose associated table is missing. + */ + db->init.orphanTrigger = 1; + } goto trigger_cleanup; } if( IsVirtual(pTab) ){ @@ -80137,7 +80275,7 @@ SQLITE_PRIVATE TriggerStep *sqlite3TriggerSelectStep(sqlite3 *db, Select *pSelec */ static TriggerStep *triggerStepAllocate( sqlite3 *db, /* Database connection */ - int op, /* Trigger opcode */ + u8 op, /* Trigger opcode */ Token *pName /* The target name */ ){ TriggerStep *pTriggerStep; @@ -80166,7 +80304,7 @@ SQLITE_PRIVATE TriggerStep *sqlite3TriggerInsertStep( IdList *pColumn, /* List of columns in pTableName to insert into */ ExprList *pEList, /* The VALUE clause: a list of values to be inserted */ Select *pSelect, /* A SELECT statement that supplies values */ - int orconf /* The conflict algorithm (OE_Abort, OE_Replace, etc.) */ + u8 orconf /* The conflict algorithm (OE_Abort, OE_Replace, etc.) */ ){ TriggerStep *pTriggerStep; @@ -80198,7 +80336,7 @@ SQLITE_PRIVATE TriggerStep *sqlite3TriggerUpdateStep( Token *pTableName, /* Name of the table to be updated */ ExprList *pEList, /* The SET clause: list of column and new values */ Expr *pWhere, /* The WHERE clause */ - int orconf /* The conflict algorithm. (OE_Abort, OE_Ignore, etc) */ + u8 orconf /* The conflict algorithm. (OE_Abort, OE_Ignore, etc) */ ){ TriggerStep *pTriggerStep; @@ -80716,8 +80854,13 @@ static void updateVirtualTable( ** the column is a literal number, string or null. The sqlite3ValueFromExpr() ** function is capable of transforming these types of expressions into ** sqlite3_value objects. +** +** If parameter iReg is not negative, code an OP_RealAffinity instruction +** on register iReg. This is used when an equivalent integer value is +** stored in place of an 8-byte floating point value in order to save +** space. */ -SQLITE_PRIVATE void sqlite3ColumnDefault(Vdbe *v, Table *pTab, int i){ +SQLITE_PRIVATE void sqlite3ColumnDefault(Vdbe *v, Table *pTab, int i, int iReg){ assert( pTab!=0 ); if( !pTab->pSelect ){ sqlite3_value *pValue; @@ -80730,6 +80873,11 @@ SQLITE_PRIVATE void sqlite3ColumnDefault(Vdbe *v, Table *pTab, int i){ if( pValue ){ sqlite3VdbeChangeP4(v, -1, (const char *)pValue, P4_MEM); } +#ifndef SQLITE_OMIT_FLOATING_POINT + if( iReg>=0 && pTab->aCol[i].affinity==SQLITE_AFF_REAL ){ + sqlite3VdbeAddOp1(v, OP_RealAffinity, iReg); + } +#endif } } @@ -80790,7 +80938,7 @@ SQLITE_PRIVATE void sqlite3Update( int regData; /* New data for the row */ int regRowSet = 0; /* Rowset of rows to be updated */ - sContext.pParse = 0; + memset(&sContext, 0, sizeof(sContext)); db = pParse->db; if( pParse->nErr || db->mallocFailed ){ goto update_cleanup; @@ -80818,10 +80966,10 @@ SQLITE_PRIVATE void sqlite3Update( # define isView 0 #endif - if( sqlite3IsReadOnly(pParse, pTab, (pTrigger?1:0)) ){ + if( sqlite3ViewGetColumnNames(pParse, pTab) ){ goto update_cleanup; } - if( sqlite3ViewGetColumnNames(pParse, pTab) ){ + if( sqlite3IsReadOnly(pParse, pTab, (pTrigger?1:0)) ){ goto update_cleanup; } aXRef = sqlite3DbMallocRaw(db, sizeof(int) * pTab->nCol ); @@ -81114,7 +81262,7 @@ SQLITE_PRIVATE void sqlite3Update( if( (i<32 && (new_col_mask&((u32)1<<i))!=0) || new_col_mask==0xffffffff ){ if( j<0 ){ sqlite3VdbeAddOp3(v, OP_Column, iCur, i, regCols+i); - sqlite3ColumnDefault(v, pTab, i); + sqlite3ColumnDefault(v, pTab, i, -1); }else{ sqlite3ExprCodeAndCache(pParse, pChanges->a[j].pExpr, regCols+i); } @@ -81165,7 +81313,7 @@ SQLITE_PRIVATE void sqlite3Update( j = aXRef[i]; if( j<0 ){ sqlite3VdbeAddOp3(v, OP_Column, iCur, i, regData+i); - sqlite3ColumnDefault(v, pTab, i); + sqlite3ColumnDefault(v, pTab, i, regData+i); }else{ sqlite3ExprCode(pParse, pChanges->a[j].pExpr, regData+i); } @@ -81294,7 +81442,7 @@ static void updateVirtualTable( int addr; /* Address of top of loop */ int iReg; /* First register in set passed to OP_VUpdate */ sqlite3 *db = pParse->db; /* Database connection */ - const char *pVtab = (const char*)pTab->pVtab; + const char *pVTab = (const char*)sqlite3GetVTable(db, pTab); SelectDest dest; /* Construct the SELECT statement that will find the new values for @@ -81339,7 +81487,7 @@ static void updateVirtualTable( sqlite3VdbeAddOp3(v, OP_Column, ephemTab, i+1+(pRowid!=0), iReg+2+i); } sqlite3VtabMakeWritable(pParse, pTab); - sqlite3VdbeAddOp4(v, OP_VUpdate, 0, pTab->nCol+2, iReg, pVtab, P4_VTAB); + sqlite3VdbeAddOp4(v, OP_VUpdate, 0, pTab->nCol+2, iReg, pVTab, P4_VTAB); sqlite3VdbeAddOp2(v, OP_Next, ephemTab, addr+1); sqlite3VdbeJumpHere(v, addr); sqlite3VdbeAddOp2(v, OP_Close, ephemTab, 0); @@ -81610,8 +81758,7 @@ SQLITE_PRIVATE int sqlite3RunVacuum(char **pzErrMsg, sqlite3 *db){ for(i=0; i<ArraySize(aCopy); i+=2){ /* GetMeta() and UpdateMeta() cannot fail in this context because ** we already have page 1 loaded into cache and marked dirty. */ - rc = sqlite3BtreeGetMeta(pMain, aCopy[i], &meta); - if( NEVER(rc!=SQLITE_OK) ) goto end_of_vacuum; + sqlite3BtreeGetMeta(pMain, aCopy[i], &meta); rc = sqlite3BtreeUpdateMeta(pTemp, aCopy[i], meta+aCopy[i+1]); if( NEVER(rc!=SQLITE_OK) ) goto end_of_vacuum; } @@ -81685,7 +81832,7 @@ static int createModule( const sqlite3_module *pModule, /* The definition of the module */ void *pAux, /* Context pointer for xCreate/xConnect */ void (*xDestroy)(void *) /* Module destructor function */ -) { +){ int rc, nName; Module *pMod; @@ -81751,33 +81898,128 @@ SQLITE_API int sqlite3_create_module_v2( ** If a disconnect is attempted while a virtual table is locked, ** the disconnect is deferred until all locks have been removed. */ -SQLITE_PRIVATE void sqlite3VtabLock(sqlite3_vtab *pVtab){ - pVtab->nRef++; +SQLITE_PRIVATE void sqlite3VtabLock(VTable *pVTab){ + pVTab->nRef++; +} + + +/* +** pTab is a pointer to a Table structure representing a virtual-table. +** Return a pointer to the VTable object used by connection db to access +** this virtual-table, if one has been created, or NULL otherwise. +*/ +SQLITE_PRIVATE VTable *sqlite3GetVTable(sqlite3 *db, Table *pTab){ + VTable *pVtab; + assert( IsVirtual(pTab) ); + for(pVtab=pTab->pVTable; pVtab && pVtab->db!=db; pVtab=pVtab->pNext); + return pVtab; } /* -** Unlock a virtual table. When the last lock is removed, -** disconnect the virtual table. +** Decrement the ref-count on a virtual table object. When the ref-count +** reaches zero, call the xDisconnect() method to delete the object. */ -SQLITE_PRIVATE void sqlite3VtabUnlock(sqlite3 *db, sqlite3_vtab *pVtab){ -#ifndef SQLITE_DEBUG - UNUSED_PARAMETER(db); -#endif - assert( pVtab->nRef>0 ); - pVtab->nRef--; - assert(db); +SQLITE_PRIVATE void sqlite3VtabUnlock(VTable *pVTab){ + sqlite3 *db = pVTab->db; + + assert( db ); + assert( pVTab->nRef>0 ); assert( sqlite3SafetyCheckOk(db) ); - if( pVtab->nRef==0 ){ + + pVTab->nRef--; + if( pVTab->nRef==0 ){ + sqlite3_vtab *p = pVTab->pVtab; + if( p ){ #ifdef SQLITE_DEBUG - if( db->magic==SQLITE_MAGIC_BUSY ){ - (void)sqlite3SafetyOff(db); - pVtab->pModule->xDisconnect(pVtab); - (void)sqlite3SafetyOn(db); - } else + if( pVTab->db->magic==SQLITE_MAGIC_BUSY ){ + (void)sqlite3SafetyOff(db); + p->pModule->xDisconnect(p); + (void)sqlite3SafetyOn(db); + } else #endif - { - pVtab->pModule->xDisconnect(pVtab); + { + p->pModule->xDisconnect(p); + } } + sqlite3DbFree(db, pVTab); + } +} + +/* +** Table p is a virtual table. This function moves all elements in the +** p->pVTable list to the sqlite3.pDisconnect lists of their associated +** database connections to be disconnected at the next opportunity. +** Except, if argument db is not NULL, then the entry associated with +** connection db is left in the p->pVTable list. +*/ +static VTable *vtabDisconnectAll(sqlite3 *db, Table *p){ + VTable *pRet = 0; + VTable *pVTable = p->pVTable; + p->pVTable = 0; + + /* Assert that the mutex (if any) associated with the BtShared database + ** that contains table p is held by the caller. See header comments + ** above function sqlite3VtabUnlockList() for an explanation of why + ** this makes it safe to access the sqlite3.pDisconnect list of any + ** database connection that may have an entry in the p->pVTable list. */ + assert( db==0 || + sqlite3BtreeHoldsMutex(db->aDb[sqlite3SchemaToIndex(db, p->pSchema)].pBt) + ); + + while( pVTable ){ + sqlite3 *db2 = pVTable->db; + VTable *pNext = pVTable->pNext; + assert( db2 ); + if( db2==db ){ + pRet = pVTable; + p->pVTable = pRet; + pRet->pNext = 0; + }else{ + pVTable->pNext = db2->pDisconnect; + db2->pDisconnect = pVTable; + } + pVTable = pNext; + } + + assert( !db || pRet ); + return pRet; +} + + +/* +** Disconnect all the virtual table objects in the sqlite3.pDisconnect list. +** +** This function may only be called when the mutexes associated with all +** shared b-tree databases opened using connection db are held by the +** caller. This is done to protect the sqlite3.pDisconnect list. The +** sqlite3.pDisconnect list is accessed only as follows: +** +** 1) By this function. In this case, all BtShared mutexes and the mutex +** associated with the database handle itself must be held. +** +** 2) By function vtabDisconnectAll(), when it adds a VTable entry to +** the sqlite3.pDisconnect list. In this case either the BtShared mutex +** associated with the database the virtual table is stored in is held +** or, if the virtual table is stored in a non-sharable database, then +** the database handle mutex is held. +** +** As a result, a sqlite3.pDisconnect cannot be accessed simultaneously +** by multiple threads. It is thread-safe. +*/ +SQLITE_PRIVATE void sqlite3VtabUnlockList(sqlite3 *db){ + VTable *p = db->pDisconnect; + db->pDisconnect = 0; + + assert( sqlite3BtreeHoldsAllMutexes(db) ); + assert( sqlite3_mutex_held(db->mutex) ); + + if( p ){ + sqlite3ExpirePreparedStatements(db); + do { + VTable *pNext = p->pNext; + sqlite3VtabUnlock(p); + p = pNext; + }while( p ); } } @@ -81785,22 +82027,24 @@ SQLITE_PRIVATE void sqlite3VtabUnlock(sqlite3 *db, sqlite3_vtab *pVtab){ ** Clear any and all virtual-table information from the Table record. ** This routine is called, for example, just before deleting the Table ** record. +** +** Since it is a virtual-table, the Table structure contains a pointer +** to the head of a linked list of VTable structures. Each VTable +** structure is associated with a single sqlite3* user of the schema. +** The reference count of the VTable structure associated with database +** connection db is decremented immediately (which may lead to the +** structure being xDisconnected and free). Any other VTable structures +** in the list are moved to the sqlite3.pDisconnect list of the associated +** database connection. */ SQLITE_PRIVATE void sqlite3VtabClear(Table *p){ - sqlite3_vtab *pVtab = p->pVtab; - Schema *pSchema = p->pSchema; - sqlite3 *db = pSchema ? pSchema->db : 0; - if( pVtab ){ - assert( p->pMod && p->pMod->pModule ); - sqlite3VtabUnlock(db, pVtab); - p->pVtab = 0; - } + vtabDisconnectAll(0, p); if( p->azModuleArg ){ int i; for(i=0; i<p->nModuleArg; i++){ - sqlite3DbFree(db, p->azModuleArg[i]); + sqlite3DbFree(p->dbMem, p->azModuleArg[i]); } - sqlite3DbFree(db, p->azModuleArg); + sqlite3DbFree(p->dbMem, p->azModuleArg); } } @@ -81845,11 +82089,6 @@ SQLITE_PRIVATE void sqlite3VtabBeginParse( Table *pTable; /* The new virtual table */ sqlite3 *db; /* Database connection */ - if( pParse->db->flags & SQLITE_SharedCache ){ - sqlite3ErrorMsg(pParse, "Cannot use virtual tables in shared-cache mode"); - return; - } - sqlite3StartTable(pParse, pName1, pName2, 0, 0, 1, 0); pTable = pParse->pNewTable; if( pTable==0 ) return; @@ -81898,23 +82137,13 @@ static void addArgumentToVtab(Parse *pParse){ ** has been completely parsed. */ SQLITE_PRIVATE void sqlite3VtabFinishParse(Parse *pParse, Token *pEnd){ - Table *pTab; /* The table being constructed */ - sqlite3 *db; /* The database connection */ - char *zModule; /* The module name of the table: USING modulename */ - Module *pMod = 0; + Table *pTab = pParse->pNewTable; /* The table being constructed */ + sqlite3 *db = pParse->db; /* The database connection */ + if( pTab==0 ) return; addArgumentToVtab(pParse); pParse->sArg.z = 0; - - /* Lookup the module name. */ - pTab = pParse->pNewTable; - if( pTab==0 ) return; - db = pParse->db; if( pTab->nModuleArg<1 ) return; - zModule = pTab->azModuleArg[0]; - pMod = (Module*)sqlite3HashFind(&db->aModule, zModule, - sqlite3Strlen30(zModule)); - pTab->pMod = pMod; /* If the CREATE VIRTUAL TABLE statement is being entered for the ** first time (in other words if the virtual table is actually being @@ -81965,9 +82194,10 @@ SQLITE_PRIVATE void sqlite3VtabFinishParse(Parse *pParse, Token *pEnd){ } /* If we are rereading the sqlite_master table create the in-memory - ** record of the table. If the module has already been registered, - ** also call the xConnect method here. - */ + ** record of the table. The xConnect() method is not called until + ** the first time the virtual table is used in an SQL statement. This + ** allows a schema that contains virtual tables to be loaded before + ** the required virtual table implementations are registered. */ else { Table *pOld; Schema *pSchema = pTab->pSchema; @@ -82021,9 +82251,8 @@ static int vtabCallConstructor( int (*xConstruct)(sqlite3*,void*,int,const char*const*,sqlite3_vtab**,char**), char **pzErr ){ + VTable *pVTable; int rc; - int rc2; - sqlite3_vtab *pVtab = 0; const char *const*azArg = (const char *const*)pTab->azModuleArg; int nArg = pTab->nModuleArg; char *zErr = 0; @@ -82033,22 +82262,23 @@ static int vtabCallConstructor( return SQLITE_NOMEM; } + pVTable = sqlite3DbMallocZero(db, sizeof(VTable)); + if( !pVTable ){ + sqlite3DbFree(db, zModuleName); + return SQLITE_NOMEM; + } + pVTable->db = db; + pVTable->pMod = pMod; + assert( !db->pVTab ); assert( xConstruct ); - db->pVTab = pTab; - rc = sqlite3SafetyOff(db); - assert( rc==SQLITE_OK ); - rc = xConstruct(db, pMod->pAux, nArg, azArg, &pVtab, &zErr); - rc2 = sqlite3SafetyOn(db); + + /* Invoke the virtual table constructor */ + (void)sqlite3SafetyOff(db); + rc = xConstruct(db, pMod->pAux, nArg, azArg, &pVTable->pVtab, &zErr); + (void)sqlite3SafetyOn(db); if( rc==SQLITE_NOMEM ) db->mallocFailed = 1; - /* Justification of ALWAYS(): A correct vtab constructor must allocate - ** the sqlite3_vtab object if successful. */ - if( rc==SQLITE_OK && ALWAYS(pVtab) ){ - pVtab->pModule = pMod->pModule; - pVtab->nRef = 1; - pTab->pVtab = pVtab; - } if( SQLITE_OK!=rc ){ if( zErr==0 ){ @@ -82057,54 +82287,61 @@ static int vtabCallConstructor( *pzErr = sqlite3MPrintf(db, "%s", zErr); sqlite3DbFree(db, zErr); } - }else if( db->pVTab ){ - const char *zFormat = "vtable constructor did not declare schema: %s"; - *pzErr = sqlite3MPrintf(db, zFormat, pTab->zName); - rc = SQLITE_ERROR; - } - if( rc==SQLITE_OK ){ - rc = rc2; - } - db->pVTab = 0; - sqlite3DbFree(db, zModuleName); + sqlite3DbFree(db, pVTable); + }else if( ALWAYS(pVTable->pVtab) ){ + /* Justification of ALWAYS(): A correct vtab constructor must allocate + ** the sqlite3_vtab object if successful. */ + pVTable->pVtab->pModule = pMod->pModule; + pVTable->nRef = 1; + if( db->pVTab ){ + const char *zFormat = "vtable constructor did not declare schema: %s"; + *pzErr = sqlite3MPrintf(db, zFormat, pTab->zName); + sqlite3VtabUnlock(pVTable); + rc = SQLITE_ERROR; + }else{ + int iCol; + /* If everything went according to plan, link the new VTable structure + ** into the linked list headed by pTab->pVTable. Then loop through the + ** columns of the table to see if any of them contain the token "hidden". + ** If so, set the Column.isHidden flag and remove the token from + ** the type string. */ + pVTable->pNext = pTab->pVTable; + pTab->pVTable = pVTable; - /* If everything went according to plan, loop through the columns - ** of the table to see if any of them contain the token "hidden". - ** If so, set the Column.isHidden flag and remove the token from - ** the type string. - */ - if( rc==SQLITE_OK ){ - int iCol; - for(iCol=0; iCol<pTab->nCol; iCol++){ - char *zType = pTab->aCol[iCol].zType; - int nType; - int i = 0; - if( !zType ) continue; - nType = sqlite3Strlen30(zType); - if( sqlite3StrNICmp("hidden", zType, 6) || (zType[6] && zType[6]!=' ') ){ - for(i=0; i<nType; i++){ - if( (0==sqlite3StrNICmp(" hidden", &zType[i], 7)) - && (zType[i+7]=='\0' || zType[i+7]==' ') - ){ - i++; - break; + for(iCol=0; iCol<pTab->nCol; iCol++){ + char *zType = pTab->aCol[iCol].zType; + int nType; + int i = 0; + if( !zType ) continue; + nType = sqlite3Strlen30(zType); + if( sqlite3StrNICmp("hidden", zType, 6)||(zType[6] && zType[6]!=' ') ){ + for(i=0; i<nType; i++){ + if( (0==sqlite3StrNICmp(" hidden", &zType[i], 7)) + && (zType[i+7]=='\0' || zType[i+7]==' ') + ){ + i++; + break; + } } } - } - if( i<nType ){ - int j; - int nDel = 6 + (zType[i+6] ? 1 : 0); - for(j=i; (j+nDel)<=nType; j++){ - zType[j] = zType[j+nDel]; - } - if( zType[i]=='\0' && i>0 ){ - assert(zType[i-1]==' '); - zType[i-1] = '\0'; + if( i<nType ){ + int j; + int nDel = 6 + (zType[i+6] ? 1 : 0); + for(j=i; (j+nDel)<=nType; j++){ + zType[j] = zType[j+nDel]; + } + if( zType[i]=='\0' && i>0 ){ + assert(zType[i-1]==' '); + zType[i-1] = '\0'; + } + pTab->aCol[iCol].isHidden = 1; } - pTab->aCol[iCol].isHidden = 1; } } } + + sqlite3DbFree(db, zModuleName); + db->pVTab = 0; return rc; } @@ -82116,22 +82353,26 @@ static int vtabCallConstructor( ** This call is a no-op if table pTab is not a virtual table. */ SQLITE_PRIVATE int sqlite3VtabCallConnect(Parse *pParse, Table *pTab){ + sqlite3 *db = pParse->db; + const char *zMod; Module *pMod; - int rc = SQLITE_OK; + int rc; assert( pTab ); - if( (pTab->tabFlags & TF_Virtual)==0 || pTab->pVtab ){ + if( (pTab->tabFlags & TF_Virtual)==0 || sqlite3GetVTable(db, pTab) ){ return SQLITE_OK; } - pMod = pTab->pMod; + /* Locate the required virtual table module */ + zMod = pTab->azModuleArg[0]; + pMod = (Module*)sqlite3HashFind(&db->aModule, zMod, sqlite3Strlen30(zMod)); + if( !pMod ){ const char *zModule = pTab->azModuleArg[0]; sqlite3ErrorMsg(pParse, "no such module: %s", zModule); rc = SQLITE_ERROR; - } else { + }else{ char *zErr = 0; - sqlite3 *db = pParse->db; rc = vtabCallConstructor(db, pTab, pMod, pMod->pModule->xConnect, &zErr); if( rc!=SQLITE_OK ){ sqlite3ErrorMsg(pParse, "%s", zErr); @@ -82143,14 +82384,14 @@ SQLITE_PRIVATE int sqlite3VtabCallConnect(Parse *pParse, Table *pTab){ } /* -** Add the virtual table pVtab to the array sqlite3.aVTrans[]. +** Add the virtual table pVTab to the array sqlite3.aVTrans[]. */ -static int addToVTrans(sqlite3 *db, sqlite3_vtab *pVtab){ +static int addToVTrans(sqlite3 *db, VTable *pVTab){ const int ARRAY_INCR = 5; /* Grow the sqlite3.aVTrans array if required */ if( (db->nVTrans%ARRAY_INCR)==0 ){ - sqlite3_vtab **aVTrans; + VTable **aVTrans; int nBytes = sizeof(sqlite3_vtab *) * (db->nVTrans + ARRAY_INCR); aVTrans = sqlite3DbRealloc(db, (void *)db->aVTrans, nBytes); if( !aVTrans ){ @@ -82161,8 +82402,8 @@ static int addToVTrans(sqlite3 *db, sqlite3_vtab *pVtab){ } /* Add pVtab to the end of sqlite3.aVTrans */ - db->aVTrans[db->nVTrans++] = pVtab; - sqlite3VtabLock(pVtab); + db->aVTrans[db->nVTrans++] = pVTab; + sqlite3VtabLock(pVTab); return SQLITE_OK; } @@ -82178,19 +82419,21 @@ SQLITE_PRIVATE int sqlite3VtabCallCreate(sqlite3 *db, int iDb, const char *zTab, int rc = SQLITE_OK; Table *pTab; Module *pMod; - const char *zModule; + const char *zMod; pTab = sqlite3FindTable(db, zTab, db->aDb[iDb].zName); - assert(pTab && (pTab->tabFlags & TF_Virtual)!=0 && !pTab->pVtab); - pMod = pTab->pMod; - zModule = pTab->azModuleArg[0]; + assert( pTab && (pTab->tabFlags & TF_Virtual)!=0 && !pTab->pVTable ); + + /* Locate the required virtual table module */ + zMod = pTab->azModuleArg[0]; + pMod = (Module*)sqlite3HashFind(&db->aModule, zMod, sqlite3Strlen30(zMod)); /* If the module has been registered and includes a Create method, ** invoke it now. If the module has not been registered, return an ** error. Otherwise, do nothing. */ if( !pMod ){ - *pzErr = sqlite3MPrintf(db, "no such module: %s", zModule); + *pzErr = sqlite3MPrintf(db, "no such module: %s", zMod); rc = SQLITE_ERROR; }else{ rc = vtabCallConstructor(db, pTab, pMod, pMod->pModule->xCreate, pzErr); @@ -82198,8 +82441,8 @@ SQLITE_PRIVATE int sqlite3VtabCallCreate(sqlite3 *db, int iDb, const char *zTab, /* Justification of ALWAYS(): The xConstructor method is required to ** create a valid sqlite3_vtab if it returns SQLITE_OK. */ - if( rc==SQLITE_OK && ALWAYS(pTab->pVtab) ){ - rc = addToVTrans(db, pTab->pVtab); + if( rc==SQLITE_OK && ALWAYS(sqlite3GetVTable(db, pTab)) ){ + rc = addToVTrans(db, sqlite3GetVTable(db, pTab)); } return rc; @@ -82224,7 +82467,7 @@ SQLITE_API int sqlite3_declare_vtab(sqlite3 *db, const char *zCreateTable){ sqlite3_mutex_leave(db->mutex); return SQLITE_MISUSE; } - assert((pTab->tabFlags & TF_Virtual)!=0 && pTab->nCol==0 && pTab->aCol==0); + assert( (pTab->tabFlags & TF_Virtual)!=0 ); pParse = sqlite3StackAllocZero(db, sizeof(*pParse)); if( pParse==0 ){ @@ -82239,10 +82482,12 @@ SQLITE_API int sqlite3_declare_vtab(sqlite3 *db, const char *zCreateTable){ !pParse->pNewTable->pSelect && (pParse->pNewTable->tabFlags & TF_Virtual)==0 ){ - pTab->aCol = pParse->pNewTable->aCol; - pTab->nCol = pParse->pNewTable->nCol; - pParse->pNewTable->nCol = 0; - pParse->pNewTable->aCol = 0; + if( !pTab->aCol ){ + pTab->aCol = pParse->pNewTable->aCol; + pTab->nCol = pParse->pNewTable->nCol; + pParse->pNewTable->nCol = 0; + pParse->pNewTable->aCol = 0; + } db->pVTab = 0; } else { sqlite3Error(db, SQLITE_ERROR, zErr); @@ -82276,21 +82521,20 @@ SQLITE_PRIVATE int sqlite3VtabCallDestroy(sqlite3 *db, int iDb, const char *zTab Table *pTab; pTab = sqlite3FindTable(db, zTab, db->aDb[iDb].zName); - if( ALWAYS(pTab!=0 && pTab->pVtab!=0) ){ - int (*xDestroy)(sqlite3_vtab *pVTab) = pTab->pMod->pModule->xDestroy; + if( ALWAYS(pTab!=0 && pTab->pVTable!=0) ){ + VTable *p = vtabDisconnectAll(db, pTab); + rc = sqlite3SafetyOff(db); assert( rc==SQLITE_OK ); - rc = xDestroy(pTab->pVtab); + rc = p->pMod->pModule->xDestroy(p->pVtab); (void)sqlite3SafetyOn(db); + + /* Remove the sqlite3_vtab* from the aVTrans[] array, if applicable */ if( rc==SQLITE_OK ){ - int i; - for(i=0; i<db->nVTrans; i++){ - if( db->aVTrans[i]==pTab->pVtab ){ - db->aVTrans[i] = db->aVTrans[--db->nVTrans]; - break; - } - } - pTab->pVtab = 0; + assert( pTab->pVTable==p && p->pNext==0 ); + p->pVtab = 0; + pTab->pVTable = 0; + sqlite3VtabUnlock(p); } } @@ -82309,13 +82553,14 @@ static void callFinaliser(sqlite3 *db, int offset){ int i; if( db->aVTrans ){ for(i=0; i<db->nVTrans; i++){ - sqlite3_vtab *pVtab = db->aVTrans[i]; - int (*x)(sqlite3_vtab *); - - assert( pVtab!=0 ); - x = *(int (**)(sqlite3_vtab *))((char *)pVtab->pModule + offset); - if( x ) x(pVtab); - sqlite3VtabUnlock(db, pVtab); + VTable *pVTab = db->aVTrans[i]; + sqlite3_vtab *p = pVTab->pVtab; + if( p ){ + int (*x)(sqlite3_vtab *); + x = *(int (**)(sqlite3_vtab *))((char *)p->pModule + offset); + if( x ) x(p); + } + sqlite3VtabUnlock(pVTab); } sqlite3DbFree(db, db->aVTrans); db->nVTrans = 0; @@ -82335,16 +82580,14 @@ SQLITE_PRIVATE int sqlite3VtabSync(sqlite3 *db, char **pzErrmsg){ int i; int rc = SQLITE_OK; int rcsafety; - sqlite3_vtab **aVTrans = db->aVTrans; + VTable **aVTrans = db->aVTrans; rc = sqlite3SafetyOff(db); db->aVTrans = 0; for(i=0; rc==SQLITE_OK && i<db->nVTrans; i++){ - sqlite3_vtab *pVtab = aVTrans[i]; int (*x)(sqlite3_vtab *); - assert( pVtab!=0 ); - x = pVtab->pModule->xSync; - if( x ){ + sqlite3_vtab *pVtab = aVTrans[i]->pVtab; + if( pVtab && (x = pVtab->pModule->xSync)!=0 ){ rc = x(pVtab); sqlite3DbFree(db, *pzErrmsg); *pzErrmsg = pVtab->zErrMsg; @@ -82386,7 +82629,7 @@ SQLITE_PRIVATE int sqlite3VtabCommit(sqlite3 *db){ ** If the xBegin call is successful, place the sqlite3_vtab pointer ** in the sqlite3.aVTrans array. */ -SQLITE_PRIVATE int sqlite3VtabBegin(sqlite3 *db, sqlite3_vtab *pVtab){ +SQLITE_PRIVATE int sqlite3VtabBegin(sqlite3 *db, VTable *pVTab){ int rc = SQLITE_OK; const sqlite3_module *pModule; @@ -82398,10 +82641,10 @@ SQLITE_PRIVATE int sqlite3VtabBegin(sqlite3 *db, sqlite3_vtab *pVtab){ if( sqlite3VtabInSync(db) ){ return SQLITE_LOCKED; } - if( !pVtab ){ + if( !pVTab ){ return SQLITE_OK; } - pModule = pVtab->pModule; + pModule = pVTab->pVtab->pModule; if( pModule->xBegin ){ int i; @@ -82409,15 +82652,15 @@ SQLITE_PRIVATE int sqlite3VtabBegin(sqlite3 *db, sqlite3_vtab *pVtab){ /* If pVtab is already in the aVTrans array, return early */ for(i=0; i<db->nVTrans; i++){ - if( db->aVTrans[i]==pVtab ){ + if( db->aVTrans[i]==pVTab ){ return SQLITE_OK; } } /* Invoke the xBegin method */ - rc = pModule->xBegin(pVtab); + rc = pModule->xBegin(pVTab->pVtab); if( rc==SQLITE_OK ){ - rc = addToVTrans(db, pVtab); + rc = addToVTrans(db, pVTab); } } return rc; @@ -82459,7 +82702,7 @@ SQLITE_PRIVATE FuncDef *sqlite3VtabOverloadFunction( pTab = pExpr->pTab; if( NEVER(pTab==0) ) return pDef; if( (pTab->tabFlags & TF_Virtual)==0 ) return pDef; - pVtab = pTab->pVtab; + pVtab = sqlite3GetVTable(db, pTab)->pVtab; assert( pVtab!=0 ); assert( pVtab->pModule!=0 ); pMod = (sqlite3_module *)pVtab->pModule; @@ -82483,7 +82726,7 @@ SQLITE_PRIVATE FuncDef *sqlite3VtabOverloadFunction( /* Create a new ephemeral function definition for the overloaded ** function */ pNew = sqlite3DbMallocZero(db, sizeof(*pNew) - + sqlite3Strlen30(pDef->zName) ); + + sqlite3Strlen30(pDef->zName) + 1); if( pNew==0 ){ return pDef; } @@ -83701,6 +83944,7 @@ static void exprAnalyze( else if( pExpr->op==TK_OR ){ assert( pWC->op==TK_AND ); exprAnalyzeOrTerm(pSrc, pWC, idxTerm); + pTerm = &pWC->a[idxTerm]; } #endif /* SQLITE_OMIT_OR_OPTIMIZATION */ @@ -84251,7 +84495,7 @@ static sqlite3_index_info *allocateIndexInfo( ** that this is required. */ static int vtabBestIndex(Parse *pParse, Table *pTab, sqlite3_index_info *p){ - sqlite3_vtab *pVtab = pTab->pVtab; + sqlite3_vtab *pVtab = sqlite3GetVTable(pParse->db, pTab)->pVtab; int i; int rc; @@ -84348,7 +84592,7 @@ static void bestVirtualIndex( ** sqlite3ViewGetColumnNames() would have picked up the error. */ assert( pTab->azModuleArg && pTab->azModuleArg[0] ); - assert( pTab->pVtab ); + assert( sqlite3GetVTable(pParse->db, pTab) ); /* Set the aConstraint[].usable fields and initialize all ** output variables to zero. @@ -84738,7 +84982,7 @@ static void bestBtreeIndex( /* Report the best result */ pCost->plan.wsFlags |= eqTermMask; - WHERETRACE(("best index is %s, cost=%.9g, nrow=%.9g, wsFlags=%x, nEq=%d\n", + WHERETRACE(("best index is %s, nrow=%.9g, cost=%.9g, wsFlags=%x, nEq=%d\n", (pCost->plan.wsFlags & WHERE_INDEXED)!=0 ? pCost->plan.u.pIdx->zName : "(none)", pCost->nRow, pCost->rCost, pCost->plan.wsFlags, pCost->plan.nEq)); @@ -85929,13 +86173,13 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( #endif /* SQLITE_OMIT_EXPLAIN */ pTabItem = &pTabList->a[pLevel->iFrom]; pTab = pTabItem->pTab; - iDb = sqlite3SchemaToIndex(pParse->db, pTab->pSchema); + iDb = sqlite3SchemaToIndex(db, pTab->pSchema); if( (pTab->tabFlags & TF_Ephemeral)!=0 || pTab->pSelect ) continue; #ifndef SQLITE_OMIT_VIRTUALTABLE if( (pLevel->plan.wsFlags & WHERE_VIRTUALTABLE)!=0 ){ + const char *pVTab = (const char *)sqlite3GetVTable(db, pTab); int iCur = pTabItem->iCursor; - sqlite3VdbeAddOp4(v, OP_VOpen, iCur, 0, 0, - (const char*)pTab->pVtab, P4_VTAB); + sqlite3VdbeAddOp4(v, OP_VOpen, iCur, 0, 0, pVTab, P4_VTAB); }else #endif if( (pLevel->plan.wsFlags & WHERE_IDX_ONLY)==0 @@ -86161,6 +86405,12 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ /************** Begin file parse.c *******************************************/ /* Driver template for the LEMON parser generator. ** The author disclaims copyright to this source code. +** +** This version of "lempar.c" is modified, slightly, for use by SQLite. +** The only modifications are the addition of a couple of NEVER() +** macros to disable tests that are needed in the case of a general +** LALR(1) grammar but which are always false in the +** specific grammar used by SQLite. */ /* First off, code is included that follows the "include" declaration ** in the input grammar file. */ @@ -86323,25 +86573,26 @@ struct AttachKey { int type; Token key; }; ** defined, then do no error processing. */ #define YYCODETYPE unsigned char -#define YYNOCODE 252 +#define YYNOCODE 254 #define YYACTIONTYPE unsigned short int #define YYWILDCARD 65 #define sqlite3ParserTOKENTYPE Token typedef union { int yyinit; sqlite3ParserTOKENTYPE yy0; - Expr* yy72; - TriggerStep* yy145; - ExprList* yy148; - SrcList* yy185; - ExprSpan yy190; - int yy194; - Select* yy243; - IdList* yy254; - struct TrigEvent yy332; - struct LimitVal yy354; - struct LikeOp yy392; - struct {int value; int mask;} yy497; + Select* yy3; + ExprList* yy14; + SrcList* yy65; + struct LikeOp yy96; + Expr* yy132; + u8 yy186; + int yy328; + ExprSpan yy346; + struct TrigEvent yy378; + IdList* yy408; + struct {int value; int mask;} yy429; + TriggerStep* yy473; + struct LimitVal yy476; } YYMINORTYPE; #ifndef YYSTACKDEPTH #define YYSTACKDEPTH 100 @@ -86350,8 +86601,8 @@ typedef union { #define sqlite3ParserARG_PDECL ,Parse *pParse #define sqlite3ParserARG_FETCH Parse *pParse = yypParser->pParse #define sqlite3ParserARG_STORE yypParser->pParse = pParse -#define YYNSTATE 619 -#define YYNRULE 324 +#define YYNSTATE 629 +#define YYNRULE 329 #define YYFALLBACK 1 #define YY_NO_ACTION (YYNSTATE+YYNRULE+2) #define YY_ACCEPT_ACTION (YYNSTATE+YYNRULE+1) @@ -86422,157 +86673,158 @@ static const YYMINORTYPE yyzerominor = { 0 }; ** yy_default[] Default action for each state. */ static const YYACTIONTYPE yy_action[] = { - /* 0 */ 305, 944, 176, 618, 2, 150, 214, 441, 24, 24, - /* 10 */ 24, 24, 490, 26, 26, 26, 26, 27, 27, 28, - /* 20 */ 28, 28, 29, 216, 415, 416, 212, 415, 416, 448, - /* 30 */ 454, 31, 26, 26, 26, 26, 27, 27, 28, 28, - /* 40 */ 28, 29, 216, 30, 485, 32, 134, 23, 22, 311, - /* 50 */ 458, 459, 455, 455, 25, 25, 24, 24, 24, 24, - /* 60 */ 438, 26, 26, 26, 26, 27, 27, 28, 28, 28, - /* 70 */ 29, 216, 305, 216, 314, 441, 514, 492, 45, 26, - /* 80 */ 26, 26, 26, 27, 27, 28, 28, 28, 29, 216, - /* 90 */ 415, 416, 418, 419, 156, 418, 419, 362, 365, 366, - /* 100 */ 314, 448, 454, 387, 516, 21, 186, 497, 367, 27, - /* 110 */ 27, 28, 28, 28, 29, 216, 415, 416, 417, 23, - /* 120 */ 22, 311, 458, 459, 455, 455, 25, 25, 24, 24, - /* 130 */ 24, 24, 557, 26, 26, 26, 26, 27, 27, 28, - /* 140 */ 28, 28, 29, 216, 305, 228, 506, 135, 470, 218, - /* 150 */ 550, 145, 132, 256, 360, 261, 361, 153, 418, 419, - /* 160 */ 241, 600, 333, 30, 265, 32, 134, 441, 598, 599, - /* 170 */ 230, 228, 492, 448, 454, 57, 508, 330, 132, 256, - /* 180 */ 360, 261, 361, 153, 418, 419, 437, 78, 410, 407, - /* 190 */ 265, 23, 22, 311, 458, 459, 455, 455, 25, 25, - /* 200 */ 24, 24, 24, 24, 344, 26, 26, 26, 26, 27, - /* 210 */ 27, 28, 28, 28, 29, 216, 305, 214, 536, 549, - /* 220 */ 308, 127, 491, 597, 30, 333, 32, 134, 347, 389, - /* 230 */ 431, 63, 333, 357, 417, 441, 509, 333, 417, 537, - /* 240 */ 330, 215, 193, 596, 595, 448, 454, 330, 18, 437, - /* 250 */ 85, 16, 330, 183, 190, 558, 437, 78, 312, 465, - /* 260 */ 466, 437, 85, 23, 22, 311, 458, 459, 455, 455, - /* 270 */ 25, 25, 24, 24, 24, 24, 438, 26, 26, 26, - /* 280 */ 26, 27, 27, 28, 28, 28, 29, 216, 305, 349, - /* 290 */ 221, 316, 597, 191, 380, 333, 474, 234, 347, 383, - /* 300 */ 326, 412, 220, 346, 594, 217, 213, 417, 112, 333, - /* 310 */ 330, 4, 596, 401, 211, 556, 531, 448, 454, 437, - /* 320 */ 79, 217, 555, 517, 330, 336, 515, 461, 461, 471, - /* 330 */ 443, 574, 434, 437, 78, 23, 22, 311, 458, 459, - /* 340 */ 455, 455, 25, 25, 24, 24, 24, 24, 438, 26, - /* 350 */ 26, 26, 26, 27, 27, 28, 28, 28, 29, 216, - /* 360 */ 305, 445, 445, 445, 156, 470, 218, 362, 365, 366, - /* 370 */ 333, 247, 397, 400, 217, 351, 333, 30, 367, 32, - /* 380 */ 134, 390, 282, 281, 39, 330, 41, 432, 547, 448, - /* 390 */ 454, 330, 214, 533, 437, 93, 544, 603, 1, 406, - /* 400 */ 437, 93, 415, 416, 497, 40, 538, 23, 22, 311, - /* 410 */ 458, 459, 455, 455, 25, 25, 24, 24, 24, 24, - /* 420 */ 575, 26, 26, 26, 26, 27, 27, 28, 28, 28, - /* 430 */ 29, 216, 305, 276, 333, 179, 510, 492, 210, 549, - /* 440 */ 322, 415, 416, 222, 192, 387, 323, 240, 417, 330, - /* 450 */ 559, 63, 415, 416, 417, 619, 410, 407, 437, 71, - /* 460 */ 417, 448, 454, 539, 574, 28, 28, 28, 29, 216, - /* 470 */ 418, 419, 438, 338, 465, 466, 403, 43, 438, 23, - /* 480 */ 22, 311, 458, 459, 455, 455, 25, 25, 24, 24, - /* 490 */ 24, 24, 497, 26, 26, 26, 26, 27, 27, 28, - /* 500 */ 28, 28, 29, 216, 305, 429, 209, 135, 513, 418, - /* 510 */ 419, 433, 233, 64, 390, 282, 281, 441, 66, 544, - /* 520 */ 418, 419, 415, 416, 156, 214, 405, 362, 365, 366, - /* 530 */ 549, 252, 492, 448, 454, 493, 217, 8, 367, 497, - /* 540 */ 438, 608, 63, 208, 299, 417, 494, 472, 548, 200, - /* 550 */ 196, 23, 22, 311, 458, 459, 455, 455, 25, 25, - /* 560 */ 24, 24, 24, 24, 388, 26, 26, 26, 26, 27, - /* 570 */ 27, 28, 28, 28, 29, 216, 305, 479, 254, 356, - /* 580 */ 530, 60, 519, 520, 438, 441, 391, 333, 358, 7, - /* 590 */ 418, 419, 333, 480, 330, 374, 197, 137, 462, 501, - /* 600 */ 449, 450, 330, 437, 9, 448, 454, 330, 481, 487, - /* 610 */ 521, 437, 72, 569, 417, 436, 437, 67, 488, 435, - /* 620 */ 522, 452, 453, 23, 22, 311, 458, 459, 455, 455, - /* 630 */ 25, 25, 24, 24, 24, 24, 333, 26, 26, 26, - /* 640 */ 26, 27, 27, 28, 28, 28, 29, 216, 305, 333, - /* 650 */ 451, 330, 268, 392, 463, 333, 65, 333, 370, 436, - /* 660 */ 437, 76, 313, 435, 330, 150, 185, 441, 475, 333, - /* 670 */ 330, 501, 330, 437, 97, 29, 216, 448, 454, 437, - /* 680 */ 96, 437, 101, 355, 330, 242, 417, 336, 154, 461, - /* 690 */ 461, 354, 571, 437, 99, 23, 22, 311, 458, 459, - /* 700 */ 455, 455, 25, 25, 24, 24, 24, 24, 333, 26, - /* 710 */ 26, 26, 26, 27, 27, 28, 28, 28, 29, 216, - /* 720 */ 305, 333, 248, 330, 264, 56, 336, 333, 461, 461, - /* 730 */ 864, 335, 437, 104, 378, 441, 330, 417, 333, 417, - /* 740 */ 567, 333, 330, 307, 566, 437, 105, 442, 265, 448, - /* 750 */ 454, 437, 126, 330, 572, 520, 330, 336, 379, 461, - /* 760 */ 461, 317, 437, 128, 194, 437, 59, 23, 22, 311, - /* 770 */ 458, 459, 455, 455, 25, 25, 24, 24, 24, 24, - /* 780 */ 333, 26, 26, 26, 26, 27, 27, 28, 28, 28, - /* 790 */ 29, 216, 305, 333, 136, 330, 467, 479, 438, 333, - /* 800 */ 352, 333, 611, 303, 437, 102, 201, 137, 330, 417, - /* 810 */ 456, 178, 333, 480, 330, 417, 330, 437, 77, 486, - /* 820 */ 249, 448, 454, 437, 100, 437, 68, 330, 481, 469, - /* 830 */ 343, 616, 934, 341, 934, 417, 437, 98, 489, 23, - /* 840 */ 22, 311, 458, 459, 455, 455, 25, 25, 24, 24, - /* 850 */ 24, 24, 333, 26, 26, 26, 26, 27, 27, 28, - /* 860 */ 28, 28, 29, 216, 305, 333, 399, 330, 164, 264, - /* 870 */ 205, 333, 264, 334, 612, 250, 437, 129, 409, 2, - /* 880 */ 330, 325, 175, 333, 417, 214, 330, 417, 417, 437, - /* 890 */ 130, 468, 468, 448, 454, 437, 131, 398, 330, 257, - /* 900 */ 336, 259, 461, 461, 438, 154, 229, 437, 69, 318, - /* 910 */ 258, 23, 33, 311, 458, 459, 455, 455, 25, 25, - /* 920 */ 24, 24, 24, 24, 333, 26, 26, 26, 26, 27, - /* 930 */ 27, 28, 28, 28, 29, 216, 305, 333, 155, 330, - /* 940 */ 531, 264, 414, 333, 264, 472, 339, 200, 437, 80, - /* 950 */ 542, 499, 330, 151, 541, 333, 417, 417, 330, 417, - /* 960 */ 307, 437, 81, 535, 534, 448, 454, 437, 70, 47, - /* 970 */ 330, 616, 933, 543, 933, 420, 421, 422, 319, 437, - /* 980 */ 82, 320, 304, 613, 22, 311, 458, 459, 455, 455, - /* 990 */ 25, 25, 24, 24, 24, 24, 333, 26, 26, 26, - /* 1000 */ 26, 27, 27, 28, 28, 28, 29, 216, 305, 333, - /* 1010 */ 209, 330, 364, 206, 612, 333, 528, 565, 377, 565, - /* 1020 */ 437, 83, 525, 526, 330, 615, 545, 333, 501, 577, - /* 1030 */ 330, 333, 290, 437, 84, 426, 396, 448, 454, 437, - /* 1040 */ 86, 590, 330, 417, 438, 141, 330, 438, 413, 423, - /* 1050 */ 417, 437, 87, 424, 327, 437, 88, 311, 458, 459, - /* 1060 */ 455, 455, 25, 25, 24, 24, 24, 24, 388, 26, - /* 1070 */ 26, 26, 26, 27, 27, 28, 28, 28, 29, 216, - /* 1080 */ 35, 340, 286, 3, 333, 270, 333, 329, 416, 142, - /* 1090 */ 384, 321, 276, 425, 144, 35, 340, 337, 3, 330, - /* 1100 */ 6, 330, 329, 416, 304, 614, 276, 417, 437, 73, - /* 1110 */ 437, 74, 337, 333, 328, 342, 427, 333, 439, 333, - /* 1120 */ 540, 417, 155, 47, 289, 474, 287, 274, 330, 272, - /* 1130 */ 342, 417, 330, 350, 330, 277, 276, 437, 89, 243, - /* 1140 */ 474, 437, 90, 437, 91, 38, 37, 615, 333, 584, - /* 1150 */ 244, 417, 428, 276, 36, 331, 332, 46, 245, 443, - /* 1160 */ 38, 37, 507, 330, 202, 203, 204, 417, 417, 36, - /* 1170 */ 331, 332, 437, 92, 443, 198, 267, 214, 155, 586, - /* 1180 */ 235, 236, 237, 143, 239, 348, 133, 583, 440, 246, - /* 1190 */ 445, 445, 445, 446, 447, 10, 587, 276, 20, 42, - /* 1200 */ 172, 417, 294, 333, 288, 445, 445, 445, 446, 447, - /* 1210 */ 10, 295, 417, 35, 340, 219, 3, 149, 330, 484, - /* 1220 */ 329, 416, 333, 170, 276, 574, 48, 437, 75, 169, - /* 1230 */ 337, 19, 171, 251, 444, 415, 416, 330, 333, 417, - /* 1240 */ 588, 345, 276, 177, 353, 498, 437, 17, 342, 417, - /* 1250 */ 483, 253, 255, 330, 276, 496, 417, 417, 474, 333, - /* 1260 */ 504, 505, 437, 94, 369, 417, 155, 231, 359, 417, - /* 1270 */ 417, 518, 523, 474, 330, 395, 291, 281, 38, 37, - /* 1280 */ 500, 306, 315, 437, 95, 232, 214, 36, 331, 332, - /* 1290 */ 524, 502, 443, 188, 189, 417, 262, 292, 532, 263, - /* 1300 */ 551, 260, 269, 515, 271, 273, 417, 443, 570, 402, - /* 1310 */ 155, 417, 527, 417, 417, 417, 275, 417, 280, 417, - /* 1320 */ 417, 382, 385, 445, 445, 445, 446, 447, 10, 528, - /* 1330 */ 386, 417, 283, 417, 284, 285, 417, 417, 445, 445, - /* 1340 */ 445, 582, 593, 293, 107, 417, 296, 417, 297, 417, - /* 1350 */ 417, 607, 578, 529, 151, 300, 417, 417, 417, 226, - /* 1360 */ 579, 417, 54, 417, 158, 591, 417, 54, 225, 610, - /* 1370 */ 227, 302, 546, 552, 301, 553, 554, 371, 560, 159, - /* 1380 */ 375, 373, 207, 160, 51, 562, 563, 161, 117, 278, - /* 1390 */ 381, 140, 573, 163, 181, 393, 394, 118, 119, 120, - /* 1400 */ 180, 580, 121, 123, 324, 605, 604, 606, 55, 609, - /* 1410 */ 589, 309, 224, 62, 58, 103, 411, 111, 238, 430, - /* 1420 */ 199, 174, 660, 661, 662, 146, 147, 460, 310, 457, - /* 1430 */ 34, 476, 464, 473, 182, 195, 148, 477, 5, 478, - /* 1440 */ 482, 12, 138, 44, 11, 106, 495, 511, 512, 503, - /* 1450 */ 223, 49, 363, 108, 109, 152, 266, 50, 110, 157, - /* 1460 */ 258, 372, 184, 561, 139, 113, 151, 162, 279, 115, - /* 1470 */ 376, 15, 576, 116, 165, 52, 13, 368, 581, 53, - /* 1480 */ 167, 166, 585, 122, 124, 114, 592, 564, 568, 168, - /* 1490 */ 14, 61, 601, 602, 173, 298, 125, 408, 187, 617, - /* 1500 */ 945, 945, 404, + /* 0 */ 309, 959, 178, 628, 2, 153, 216, 448, 24, 24, + /* 10 */ 24, 24, 497, 26, 26, 26, 26, 27, 27, 28, + /* 20 */ 28, 28, 29, 218, 422, 423, 214, 422, 423, 455, + /* 30 */ 461, 31, 26, 26, 26, 26, 27, 27, 28, 28, + /* 40 */ 28, 29, 218, 30, 492, 32, 137, 23, 22, 315, + /* 50 */ 465, 466, 462, 462, 25, 25, 24, 24, 24, 24, + /* 60 */ 445, 26, 26, 26, 26, 27, 27, 28, 28, 28, + /* 70 */ 29, 218, 309, 218, 318, 448, 521, 499, 45, 26, + /* 80 */ 26, 26, 26, 27, 27, 28, 28, 28, 29, 218, + /* 90 */ 422, 423, 425, 426, 159, 425, 426, 366, 369, 370, + /* 100 */ 318, 455, 461, 394, 523, 21, 188, 504, 371, 27, + /* 110 */ 27, 28, 28, 28, 29, 218, 422, 423, 424, 23, + /* 120 */ 22, 315, 465, 466, 462, 462, 25, 25, 24, 24, + /* 130 */ 24, 24, 564, 26, 26, 26, 26, 27, 27, 28, + /* 140 */ 28, 28, 29, 218, 309, 230, 513, 138, 477, 220, + /* 150 */ 557, 148, 135, 260, 364, 265, 365, 156, 425, 426, + /* 160 */ 245, 610, 337, 30, 269, 32, 137, 448, 608, 609, + /* 170 */ 233, 230, 499, 455, 461, 57, 515, 334, 135, 260, + /* 180 */ 364, 265, 365, 156, 425, 426, 444, 78, 417, 414, + /* 190 */ 269, 23, 22, 315, 465, 466, 462, 462, 25, 25, + /* 200 */ 24, 24, 24, 24, 348, 26, 26, 26, 26, 27, + /* 210 */ 27, 28, 28, 28, 29, 218, 309, 216, 543, 556, + /* 220 */ 486, 130, 498, 607, 30, 337, 32, 137, 351, 396, + /* 230 */ 438, 63, 337, 361, 424, 448, 487, 337, 424, 544, + /* 240 */ 334, 217, 195, 606, 605, 455, 461, 334, 18, 444, + /* 250 */ 85, 488, 334, 347, 192, 565, 444, 78, 316, 472, + /* 260 */ 473, 444, 85, 23, 22, 315, 465, 466, 462, 462, + /* 270 */ 25, 25, 24, 24, 24, 24, 445, 26, 26, 26, + /* 280 */ 26, 27, 27, 28, 28, 28, 29, 218, 309, 353, + /* 290 */ 223, 320, 607, 193, 238, 337, 481, 16, 351, 185, + /* 300 */ 330, 419, 222, 350, 604, 219, 215, 424, 112, 337, + /* 310 */ 334, 157, 606, 408, 213, 563, 538, 455, 461, 444, + /* 320 */ 79, 219, 562, 524, 334, 576, 522, 629, 417, 414, + /* 330 */ 450, 581, 441, 444, 78, 23, 22, 315, 465, 466, + /* 340 */ 462, 462, 25, 25, 24, 24, 24, 24, 445, 26, + /* 350 */ 26, 26, 26, 27, 27, 28, 28, 28, 29, 218, + /* 360 */ 309, 452, 452, 452, 159, 399, 311, 366, 369, 370, + /* 370 */ 337, 251, 404, 407, 219, 355, 556, 4, 371, 422, + /* 380 */ 423, 397, 286, 285, 244, 334, 540, 566, 63, 455, + /* 390 */ 461, 424, 216, 478, 444, 93, 28, 28, 28, 29, + /* 400 */ 218, 413, 477, 220, 578, 40, 545, 23, 22, 315, + /* 410 */ 465, 466, 462, 462, 25, 25, 24, 24, 24, 24, + /* 420 */ 582, 26, 26, 26, 26, 27, 27, 28, 28, 28, + /* 430 */ 29, 218, 309, 546, 337, 30, 517, 32, 137, 378, + /* 440 */ 326, 337, 874, 153, 194, 448, 1, 425, 426, 334, + /* 450 */ 422, 423, 422, 423, 29, 218, 334, 613, 444, 71, + /* 460 */ 210, 455, 461, 66, 581, 444, 93, 422, 423, 626, + /* 470 */ 949, 303, 949, 500, 479, 555, 202, 43, 445, 23, + /* 480 */ 22, 315, 465, 466, 462, 462, 25, 25, 24, 24, + /* 490 */ 24, 24, 436, 26, 26, 26, 26, 27, 27, 28, + /* 500 */ 28, 28, 29, 218, 309, 187, 211, 360, 520, 440, + /* 510 */ 246, 327, 622, 448, 397, 286, 285, 551, 425, 426, + /* 520 */ 425, 426, 334, 159, 337, 216, 366, 369, 370, 494, + /* 530 */ 556, 444, 9, 455, 461, 425, 426, 371, 495, 334, + /* 540 */ 445, 618, 63, 504, 198, 424, 501, 449, 444, 72, + /* 550 */ 474, 23, 22, 315, 465, 466, 462, 462, 25, 25, + /* 560 */ 24, 24, 24, 24, 395, 26, 26, 26, 26, 27, + /* 570 */ 27, 28, 28, 28, 29, 218, 309, 486, 445, 337, + /* 580 */ 537, 60, 224, 479, 343, 202, 398, 337, 439, 554, + /* 590 */ 199, 140, 337, 487, 334, 526, 527, 551, 516, 508, + /* 600 */ 456, 457, 334, 444, 67, 455, 461, 334, 488, 476, + /* 610 */ 528, 444, 76, 39, 424, 41, 444, 97, 579, 527, + /* 620 */ 529, 459, 460, 23, 22, 315, 465, 466, 462, 462, + /* 630 */ 25, 25, 24, 24, 24, 24, 337, 26, 26, 26, + /* 640 */ 26, 27, 27, 28, 28, 28, 29, 218, 309, 337, + /* 650 */ 458, 334, 272, 621, 307, 337, 312, 337, 374, 64, + /* 660 */ 444, 96, 317, 448, 334, 342, 472, 473, 469, 337, + /* 670 */ 334, 508, 334, 444, 101, 359, 252, 455, 461, 444, + /* 680 */ 99, 444, 104, 358, 334, 345, 424, 340, 157, 468, + /* 690 */ 468, 424, 493, 444, 105, 23, 22, 315, 465, 466, + /* 700 */ 462, 462, 25, 25, 24, 24, 24, 24, 337, 26, + /* 710 */ 26, 26, 26, 27, 27, 28, 28, 28, 29, 218, + /* 720 */ 309, 337, 181, 334, 499, 56, 139, 337, 219, 268, + /* 730 */ 384, 448, 444, 129, 382, 387, 334, 168, 337, 389, + /* 740 */ 508, 424, 334, 311, 424, 444, 131, 496, 269, 455, + /* 750 */ 461, 444, 59, 334, 424, 424, 391, 340, 8, 468, + /* 760 */ 468, 263, 444, 102, 390, 290, 321, 23, 22, 315, + /* 770 */ 465, 466, 462, 462, 25, 25, 24, 24, 24, 24, + /* 780 */ 337, 26, 26, 26, 26, 27, 27, 28, 28, 28, + /* 790 */ 29, 218, 309, 337, 138, 334, 416, 2, 268, 337, + /* 800 */ 389, 337, 443, 325, 444, 77, 442, 293, 334, 291, + /* 810 */ 7, 482, 337, 424, 334, 424, 334, 444, 100, 499, + /* 820 */ 339, 455, 461, 444, 68, 444, 98, 334, 254, 504, + /* 830 */ 232, 626, 948, 504, 948, 231, 444, 132, 47, 23, + /* 840 */ 22, 315, 465, 466, 462, 462, 25, 25, 24, 24, + /* 850 */ 24, 24, 337, 26, 26, 26, 26, 27, 27, 28, + /* 860 */ 28, 28, 29, 218, 309, 337, 280, 334, 256, 538, + /* 870 */ 362, 337, 258, 268, 622, 549, 444, 133, 203, 140, + /* 880 */ 334, 424, 548, 337, 180, 158, 334, 292, 424, 444, + /* 890 */ 134, 287, 552, 455, 461, 444, 69, 443, 334, 463, + /* 900 */ 340, 442, 468, 468, 427, 428, 429, 444, 80, 281, + /* 910 */ 322, 23, 33, 315, 465, 466, 462, 462, 25, 25, + /* 920 */ 24, 24, 24, 24, 337, 26, 26, 26, 26, 27, + /* 930 */ 27, 28, 28, 28, 29, 218, 309, 337, 406, 334, + /* 940 */ 212, 268, 550, 337, 268, 389, 329, 177, 444, 81, + /* 950 */ 542, 541, 334, 475, 475, 337, 424, 216, 334, 424, + /* 960 */ 424, 444, 70, 535, 368, 455, 461, 444, 82, 405, + /* 970 */ 334, 261, 392, 340, 445, 468, 468, 587, 323, 444, + /* 980 */ 83, 324, 262, 288, 22, 315, 465, 466, 462, 462, + /* 990 */ 25, 25, 24, 24, 24, 24, 337, 26, 26, 26, + /* 1000 */ 26, 27, 27, 28, 28, 28, 29, 218, 309, 337, + /* 1010 */ 211, 334, 294, 356, 340, 337, 468, 468, 532, 533, + /* 1020 */ 444, 84, 403, 144, 334, 574, 600, 337, 424, 573, + /* 1030 */ 334, 337, 420, 444, 86, 253, 234, 455, 461, 444, + /* 1040 */ 87, 430, 334, 383, 445, 431, 334, 274, 196, 331, + /* 1050 */ 424, 444, 88, 432, 145, 444, 73, 315, 465, 466, + /* 1060 */ 462, 462, 25, 25, 24, 24, 24, 24, 395, 26, + /* 1070 */ 26, 26, 26, 27, 27, 28, 28, 28, 29, 218, + /* 1080 */ 35, 344, 445, 3, 337, 394, 337, 333, 423, 278, + /* 1090 */ 388, 276, 280, 207, 147, 35, 344, 341, 3, 334, + /* 1100 */ 424, 334, 333, 423, 308, 623, 280, 424, 444, 74, + /* 1110 */ 444, 89, 341, 337, 6, 346, 338, 337, 421, 337, + /* 1120 */ 470, 424, 65, 332, 280, 481, 446, 445, 334, 247, + /* 1130 */ 346, 424, 334, 424, 334, 594, 280, 444, 90, 424, + /* 1140 */ 481, 444, 91, 444, 92, 38, 37, 625, 337, 410, + /* 1150 */ 47, 424, 237, 280, 36, 335, 336, 354, 248, 450, + /* 1160 */ 38, 37, 514, 334, 572, 381, 572, 596, 424, 36, + /* 1170 */ 335, 336, 444, 75, 450, 200, 506, 216, 154, 597, + /* 1180 */ 239, 240, 241, 146, 243, 249, 547, 593, 158, 433, + /* 1190 */ 452, 452, 452, 453, 454, 10, 598, 280, 20, 46, + /* 1200 */ 174, 412, 298, 337, 424, 452, 452, 452, 453, 454, + /* 1210 */ 10, 299, 424, 35, 344, 352, 3, 250, 334, 434, + /* 1220 */ 333, 423, 337, 172, 280, 581, 208, 444, 17, 171, + /* 1230 */ 341, 19, 173, 447, 424, 422, 423, 334, 337, 424, + /* 1240 */ 235, 280, 204, 205, 206, 42, 444, 94, 346, 435, + /* 1250 */ 136, 451, 221, 334, 308, 624, 424, 349, 481, 490, + /* 1260 */ 445, 152, 444, 95, 424, 424, 424, 236, 503, 491, + /* 1270 */ 507, 179, 424, 481, 424, 402, 295, 285, 38, 37, + /* 1280 */ 271, 310, 158, 424, 296, 424, 216, 36, 335, 336, + /* 1290 */ 509, 266, 450, 190, 191, 539, 267, 625, 558, 273, + /* 1300 */ 275, 48, 277, 522, 279, 424, 424, 450, 255, 409, + /* 1310 */ 424, 424, 257, 424, 424, 424, 284, 424, 386, 424, + /* 1320 */ 357, 584, 585, 452, 452, 452, 453, 454, 10, 259, + /* 1330 */ 393, 424, 289, 424, 592, 603, 424, 424, 452, 452, + /* 1340 */ 452, 297, 300, 301, 505, 424, 617, 424, 363, 424, + /* 1350 */ 424, 373, 577, 158, 158, 511, 424, 424, 424, 525, + /* 1360 */ 588, 424, 154, 589, 601, 54, 54, 620, 512, 306, + /* 1370 */ 319, 530, 531, 535, 264, 107, 228, 536, 534, 375, + /* 1380 */ 559, 304, 560, 561, 305, 227, 229, 553, 567, 161, + /* 1390 */ 162, 379, 377, 163, 51, 209, 569, 282, 164, 570, + /* 1400 */ 385, 143, 580, 116, 119, 183, 400, 590, 401, 121, + /* 1410 */ 122, 123, 124, 126, 599, 328, 614, 55, 58, 615, + /* 1420 */ 616, 619, 62, 418, 103, 226, 111, 176, 242, 182, + /* 1430 */ 437, 313, 201, 314, 670, 671, 672, 149, 150, 467, + /* 1440 */ 464, 34, 483, 471, 480, 184, 197, 502, 484, 5, + /* 1450 */ 485, 151, 489, 44, 141, 11, 106, 160, 225, 518, + /* 1460 */ 519, 49, 510, 108, 367, 270, 12, 155, 109, 50, + /* 1470 */ 110, 262, 376, 186, 568, 113, 142, 154, 165, 115, + /* 1480 */ 15, 283, 583, 166, 167, 380, 586, 117, 13, 120, + /* 1490 */ 372, 52, 53, 118, 591, 169, 114, 170, 595, 125, + /* 1500 */ 127, 571, 575, 602, 14, 128, 611, 612, 61, 175, + /* 1510 */ 189, 415, 302, 627, 960, 960, 960, 960, 411, }; static const YYCODETYPE yy_lookahead[] = { /* 0 */ 19, 142, 143, 144, 145, 24, 116, 26, 75, 76, @@ -86597,138 +86849,139 @@ static const YYCODETYPE yy_lookahead[] = { /* 190 */ 109, 66, 67, 68, 69, 70, 71, 72, 73, 74, /* 200 */ 75, 76, 77, 78, 191, 80, 81, 82, 83, 84, /* 210 */ 85, 86, 87, 88, 89, 90, 19, 116, 35, 150, - /* 220 */ 155, 24, 208, 150, 222, 150, 224, 225, 216, 128, - /* 230 */ 161, 162, 150, 221, 165, 94, 23, 150, 165, 56, + /* 220 */ 12, 24, 208, 150, 222, 150, 224, 225, 216, 128, + /* 230 */ 161, 162, 150, 221, 165, 94, 28, 150, 165, 56, /* 240 */ 165, 197, 160, 170, 171, 48, 49, 165, 204, 174, - /* 250 */ 175, 22, 165, 24, 185, 186, 174, 175, 169, 170, + /* 250 */ 175, 43, 165, 45, 185, 186, 174, 175, 169, 170, /* 260 */ 171, 174, 175, 66, 67, 68, 69, 70, 71, 72, /* 270 */ 73, 74, 75, 76, 77, 78, 194, 80, 81, 82, /* 280 */ 83, 84, 85, 86, 87, 88, 89, 90, 19, 214, - /* 290 */ 215, 108, 150, 25, 229, 150, 64, 148, 216, 234, + /* 290 */ 215, 108, 150, 25, 148, 150, 64, 22, 216, 24, /* 300 */ 146, 147, 215, 221, 231, 232, 152, 165, 154, 150, - /* 310 */ 165, 196, 170, 171, 160, 181, 182, 48, 49, 174, - /* 320 */ 175, 232, 188, 165, 165, 112, 94, 114, 115, 166, + /* 310 */ 165, 49, 170, 171, 160, 181, 182, 48, 49, 174, + /* 320 */ 175, 232, 188, 165, 165, 21, 94, 0, 1, 2, /* 330 */ 98, 55, 174, 174, 175, 66, 67, 68, 69, 70, /* 340 */ 71, 72, 73, 74, 75, 76, 77, 78, 194, 80, /* 350 */ 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, - /* 360 */ 19, 129, 130, 131, 96, 84, 85, 99, 100, 101, - /* 370 */ 150, 226, 218, 231, 232, 216, 150, 222, 110, 224, - /* 380 */ 225, 105, 106, 107, 135, 165, 137, 172, 173, 48, - /* 390 */ 49, 165, 116, 183, 174, 175, 181, 242, 22, 245, - /* 400 */ 174, 175, 26, 27, 166, 136, 183, 66, 67, 68, + /* 360 */ 19, 129, 130, 131, 96, 61, 104, 99, 100, 101, + /* 370 */ 150, 226, 218, 231, 232, 216, 150, 196, 110, 26, + /* 380 */ 27, 105, 106, 107, 158, 165, 183, 161, 162, 48, + /* 390 */ 49, 165, 116, 166, 174, 175, 86, 87, 88, 89, + /* 400 */ 90, 247, 84, 85, 100, 136, 183, 66, 67, 68, /* 410 */ 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, /* 420 */ 11, 80, 81, 82, 83, 84, 85, 86, 87, 88, - /* 430 */ 89, 90, 19, 150, 150, 23, 23, 25, 160, 150, - /* 440 */ 220, 26, 27, 205, 160, 150, 220, 158, 165, 165, - /* 450 */ 161, 162, 26, 27, 165, 0, 1, 2, 174, 175, - /* 460 */ 165, 48, 49, 183, 55, 86, 87, 88, 89, 90, - /* 470 */ 94, 95, 194, 169, 170, 171, 193, 136, 194, 66, + /* 430 */ 89, 90, 19, 183, 150, 222, 23, 224, 225, 237, + /* 440 */ 220, 150, 138, 24, 160, 26, 22, 94, 95, 165, + /* 450 */ 26, 27, 26, 27, 89, 90, 165, 244, 174, 175, + /* 460 */ 236, 48, 49, 22, 55, 174, 175, 26, 27, 22, + /* 470 */ 23, 163, 25, 120, 166, 167, 168, 136, 194, 66, /* 480 */ 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, - /* 490 */ 77, 78, 166, 80, 81, 82, 83, 84, 85, 86, - /* 500 */ 87, 88, 89, 90, 19, 153, 160, 95, 23, 94, - /* 510 */ 95, 173, 217, 22, 105, 106, 107, 26, 22, 181, - /* 520 */ 94, 95, 26, 27, 96, 116, 243, 99, 100, 101, - /* 530 */ 150, 205, 120, 48, 49, 120, 232, 22, 110, 166, - /* 540 */ 194, 161, 162, 236, 163, 165, 120, 166, 167, 168, - /* 550 */ 160, 66, 67, 68, 69, 70, 71, 72, 73, 74, + /* 490 */ 77, 78, 153, 80, 81, 82, 83, 84, 85, 86, + /* 500 */ 87, 88, 89, 90, 19, 196, 160, 150, 23, 173, + /* 510 */ 198, 220, 65, 94, 105, 106, 107, 181, 94, 95, + /* 520 */ 94, 95, 165, 96, 150, 116, 99, 100, 101, 31, + /* 530 */ 150, 174, 175, 48, 49, 94, 95, 110, 40, 165, + /* 540 */ 194, 161, 162, 166, 160, 165, 120, 166, 174, 175, + /* 550 */ 233, 66, 67, 68, 69, 70, 71, 72, 73, 74, /* 560 */ 75, 76, 77, 78, 218, 80, 81, 82, 83, 84, - /* 570 */ 85, 86, 87, 88, 89, 90, 19, 12, 205, 150, - /* 580 */ 23, 235, 190, 191, 194, 94, 240, 150, 86, 74, - /* 590 */ 94, 95, 150, 28, 165, 237, 206, 207, 23, 150, - /* 600 */ 48, 49, 165, 174, 175, 48, 49, 165, 43, 31, - /* 610 */ 45, 174, 175, 21, 165, 113, 174, 175, 40, 117, + /* 570 */ 85, 86, 87, 88, 89, 90, 19, 12, 194, 150, + /* 580 */ 23, 235, 205, 166, 167, 168, 240, 150, 172, 173, + /* 590 */ 206, 207, 150, 28, 165, 190, 191, 181, 23, 150, + /* 600 */ 48, 49, 165, 174, 175, 48, 49, 165, 43, 233, + /* 610 */ 45, 174, 175, 135, 165, 137, 174, 175, 190, 191, /* 620 */ 55, 69, 70, 66, 67, 68, 69, 70, 71, 72, /* 630 */ 73, 74, 75, 76, 77, 78, 150, 80, 81, 82, /* 640 */ 83, 84, 85, 86, 87, 88, 89, 90, 19, 150, - /* 650 */ 98, 165, 23, 61, 23, 150, 25, 150, 19, 113, - /* 660 */ 174, 175, 213, 117, 165, 24, 196, 26, 23, 150, - /* 670 */ 165, 150, 165, 174, 175, 89, 90, 48, 49, 174, - /* 680 */ 175, 174, 175, 19, 165, 198, 165, 112, 49, 114, - /* 690 */ 115, 27, 100, 174, 175, 66, 67, 68, 69, 70, + /* 650 */ 98, 165, 23, 250, 251, 150, 155, 150, 19, 22, + /* 660 */ 174, 175, 213, 26, 165, 169, 170, 171, 23, 150, + /* 670 */ 165, 150, 165, 174, 175, 19, 150, 48, 49, 174, + /* 680 */ 175, 174, 175, 27, 165, 228, 165, 112, 49, 114, + /* 690 */ 115, 165, 177, 174, 175, 66, 67, 68, 69, 70, /* 700 */ 71, 72, 73, 74, 75, 76, 77, 78, 150, 80, /* 710 */ 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, - /* 720 */ 19, 150, 150, 165, 150, 24, 112, 150, 114, 115, - /* 730 */ 138, 19, 174, 175, 213, 94, 165, 165, 150, 165, - /* 740 */ 29, 150, 165, 104, 33, 174, 175, 166, 109, 48, - /* 750 */ 49, 174, 175, 165, 190, 191, 165, 112, 47, 114, - /* 760 */ 115, 187, 174, 175, 160, 174, 175, 66, 67, 68, + /* 720 */ 19, 150, 23, 165, 25, 24, 150, 150, 232, 150, + /* 730 */ 229, 94, 174, 175, 213, 234, 165, 25, 150, 150, + /* 740 */ 150, 165, 165, 104, 165, 174, 175, 177, 109, 48, + /* 750 */ 49, 174, 175, 165, 165, 165, 19, 112, 22, 114, + /* 760 */ 115, 177, 174, 175, 27, 16, 187, 66, 67, 68, /* 770 */ 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, /* 780 */ 150, 80, 81, 82, 83, 84, 85, 86, 87, 88, - /* 790 */ 89, 90, 19, 150, 150, 165, 233, 12, 194, 150, - /* 800 */ 150, 150, 248, 249, 174, 175, 206, 207, 165, 165, - /* 810 */ 98, 23, 150, 28, 165, 165, 165, 174, 175, 177, - /* 820 */ 150, 48, 49, 174, 175, 174, 175, 165, 43, 233, - /* 830 */ 45, 22, 23, 228, 25, 165, 174, 175, 177, 66, + /* 790 */ 89, 90, 19, 150, 95, 165, 144, 145, 150, 150, + /* 800 */ 150, 150, 113, 213, 174, 175, 117, 58, 165, 60, + /* 810 */ 74, 23, 150, 165, 165, 165, 165, 174, 175, 120, + /* 820 */ 19, 48, 49, 174, 175, 174, 175, 165, 209, 166, + /* 830 */ 241, 22, 23, 166, 25, 187, 174, 175, 126, 66, /* 840 */ 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, /* 850 */ 77, 78, 150, 80, 81, 82, 83, 84, 85, 86, - /* 860 */ 87, 88, 89, 90, 19, 150, 97, 165, 25, 150, - /* 870 */ 160, 150, 150, 150, 65, 209, 174, 175, 144, 145, - /* 880 */ 165, 246, 247, 150, 165, 116, 165, 165, 165, 174, - /* 890 */ 175, 129, 130, 48, 49, 174, 175, 128, 165, 98, - /* 900 */ 112, 177, 114, 115, 194, 49, 187, 174, 175, 187, - /* 910 */ 109, 66, 67, 68, 69, 70, 71, 72, 73, 74, + /* 860 */ 87, 88, 89, 90, 19, 150, 150, 165, 205, 182, + /* 870 */ 86, 150, 205, 150, 65, 166, 174, 175, 206, 207, + /* 880 */ 165, 165, 177, 150, 23, 25, 165, 138, 165, 174, + /* 890 */ 175, 241, 166, 48, 49, 174, 175, 113, 165, 98, + /* 900 */ 112, 117, 114, 115, 7, 8, 9, 174, 175, 193, + /* 910 */ 187, 66, 67, 68, 69, 70, 71, 72, 73, 74, /* 920 */ 75, 76, 77, 78, 150, 80, 81, 82, 83, 84, - /* 930 */ 85, 86, 87, 88, 89, 90, 19, 150, 25, 165, - /* 940 */ 182, 150, 150, 150, 150, 166, 167, 168, 174, 175, - /* 950 */ 166, 23, 165, 25, 177, 150, 165, 165, 165, 165, - /* 960 */ 104, 174, 175, 97, 98, 48, 49, 174, 175, 126, - /* 970 */ 165, 22, 23, 177, 25, 7, 8, 9, 187, 174, - /* 980 */ 175, 187, 22, 23, 67, 68, 69, 70, 71, 72, + /* 930 */ 85, 86, 87, 88, 89, 90, 19, 150, 97, 165, + /* 940 */ 160, 150, 177, 150, 150, 150, 248, 249, 174, 175, + /* 950 */ 97, 98, 165, 129, 130, 150, 165, 116, 165, 165, + /* 960 */ 165, 174, 175, 103, 178, 48, 49, 174, 175, 128, + /* 970 */ 165, 98, 242, 112, 194, 114, 115, 199, 187, 174, + /* 980 */ 175, 187, 109, 242, 67, 68, 69, 70, 71, 72, /* 990 */ 73, 74, 75, 76, 77, 78, 150, 80, 81, 82, /* 1000 */ 83, 84, 85, 86, 87, 88, 89, 90, 19, 150, - /* 1010 */ 160, 165, 178, 160, 65, 150, 103, 105, 106, 107, - /* 1020 */ 174, 175, 7, 8, 165, 65, 166, 150, 150, 199, - /* 1030 */ 165, 150, 209, 174, 175, 150, 209, 48, 49, 174, - /* 1040 */ 175, 199, 165, 165, 194, 6, 165, 194, 149, 149, - /* 1050 */ 165, 174, 175, 149, 149, 174, 175, 68, 69, 70, + /* 1010 */ 160, 165, 209, 150, 112, 150, 114, 115, 7, 8, + /* 1020 */ 174, 175, 209, 6, 165, 29, 199, 150, 165, 33, + /* 1030 */ 165, 150, 149, 174, 175, 150, 241, 48, 49, 174, + /* 1040 */ 175, 149, 165, 47, 194, 149, 165, 16, 160, 149, + /* 1050 */ 165, 174, 175, 13, 151, 174, 175, 68, 69, 70, /* 1060 */ 71, 72, 73, 74, 75, 76, 77, 78, 218, 80, /* 1070 */ 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, - /* 1080 */ 19, 20, 16, 22, 150, 16, 150, 26, 27, 151, - /* 1090 */ 240, 213, 150, 13, 151, 19, 20, 36, 22, 165, - /* 1100 */ 25, 165, 26, 27, 22, 23, 150, 165, 174, 175, - /* 1110 */ 174, 175, 36, 150, 159, 54, 150, 150, 194, 150, - /* 1120 */ 23, 165, 25, 126, 58, 64, 60, 58, 165, 60, - /* 1130 */ 54, 165, 165, 123, 165, 193, 150, 174, 175, 199, + /* 1080 */ 19, 20, 194, 22, 150, 150, 150, 26, 27, 58, + /* 1090 */ 240, 60, 150, 160, 151, 19, 20, 36, 22, 165, + /* 1100 */ 165, 165, 26, 27, 22, 23, 150, 165, 174, 175, + /* 1110 */ 174, 175, 36, 150, 25, 54, 150, 150, 150, 150, + /* 1120 */ 23, 165, 25, 159, 150, 64, 194, 194, 165, 199, + /* 1130 */ 54, 165, 165, 165, 165, 193, 150, 174, 175, 165, /* 1140 */ 64, 174, 175, 174, 175, 84, 85, 65, 150, 193, - /* 1150 */ 200, 165, 150, 150, 93, 94, 95, 124, 201, 98, - /* 1160 */ 84, 85, 86, 165, 105, 106, 107, 165, 165, 93, + /* 1150 */ 126, 165, 217, 150, 93, 94, 95, 123, 200, 98, + /* 1160 */ 84, 85, 86, 165, 105, 106, 107, 193, 165, 93, /* 1170 */ 94, 95, 174, 175, 98, 5, 23, 116, 25, 193, - /* 1180 */ 10, 11, 12, 13, 14, 122, 150, 17, 203, 202, - /* 1190 */ 129, 130, 131, 132, 133, 134, 193, 150, 125, 135, - /* 1200 */ 30, 165, 32, 150, 138, 129, 130, 131, 132, 133, - /* 1210 */ 134, 41, 165, 19, 20, 227, 22, 118, 165, 157, - /* 1220 */ 26, 27, 150, 53, 150, 55, 104, 174, 175, 59, - /* 1230 */ 36, 22, 62, 210, 150, 26, 27, 165, 150, 165, - /* 1240 */ 193, 150, 150, 157, 121, 211, 174, 175, 54, 165, - /* 1250 */ 150, 210, 210, 165, 150, 150, 165, 165, 64, 150, - /* 1260 */ 211, 211, 174, 175, 23, 165, 25, 193, 104, 165, - /* 1270 */ 165, 176, 176, 64, 165, 105, 106, 107, 84, 85, - /* 1280 */ 150, 111, 46, 174, 175, 193, 116, 93, 94, 95, - /* 1290 */ 184, 150, 98, 84, 85, 165, 150, 193, 150, 150, - /* 1300 */ 150, 176, 150, 94, 150, 150, 165, 98, 23, 139, - /* 1310 */ 25, 165, 178, 165, 165, 165, 150, 165, 150, 165, - /* 1320 */ 165, 150, 150, 129, 130, 131, 132, 133, 134, 103, + /* 1180 */ 10, 11, 12, 13, 14, 201, 23, 17, 25, 150, + /* 1190 */ 129, 130, 131, 132, 133, 134, 193, 150, 125, 124, + /* 1200 */ 30, 245, 32, 150, 165, 129, 130, 131, 132, 133, + /* 1210 */ 134, 41, 165, 19, 20, 122, 22, 202, 165, 150, + /* 1220 */ 26, 27, 150, 53, 150, 55, 160, 174, 175, 59, + /* 1230 */ 36, 22, 62, 203, 165, 26, 27, 165, 150, 165, + /* 1240 */ 193, 150, 105, 106, 107, 135, 174, 175, 54, 150, + /* 1250 */ 150, 150, 227, 165, 22, 23, 165, 150, 64, 150, + /* 1260 */ 194, 118, 174, 175, 165, 165, 165, 193, 150, 157, + /* 1270 */ 150, 157, 165, 64, 165, 105, 106, 107, 84, 85, + /* 1280 */ 23, 111, 25, 165, 193, 165, 116, 93, 94, 95, + /* 1290 */ 150, 150, 98, 84, 85, 150, 150, 65, 150, 150, + /* 1300 */ 150, 104, 150, 94, 150, 165, 165, 98, 210, 139, + /* 1310 */ 165, 165, 210, 165, 165, 165, 150, 165, 150, 165, + /* 1320 */ 121, 150, 150, 129, 130, 131, 132, 133, 134, 210, /* 1330 */ 150, 165, 150, 165, 150, 150, 165, 165, 129, 130, - /* 1340 */ 131, 150, 150, 150, 22, 165, 150, 165, 150, 165, - /* 1350 */ 165, 150, 23, 176, 25, 179, 165, 165, 165, 90, - /* 1360 */ 23, 165, 25, 165, 156, 23, 165, 25, 230, 23, - /* 1370 */ 230, 25, 184, 176, 179, 176, 176, 18, 157, 156, - /* 1380 */ 44, 157, 157, 156, 135, 157, 239, 156, 22, 238, - /* 1390 */ 157, 66, 189, 189, 219, 157, 18, 192, 192, 192, - /* 1400 */ 219, 199, 192, 189, 157, 157, 39, 157, 241, 37, - /* 1410 */ 199, 250, 180, 244, 241, 164, 1, 180, 15, 23, - /* 1420 */ 22, 247, 118, 118, 118, 118, 118, 113, 250, 98, - /* 1430 */ 22, 11, 23, 23, 22, 22, 25, 23, 34, 23, - /* 1440 */ 23, 34, 118, 25, 25, 22, 120, 23, 23, 27, - /* 1450 */ 50, 22, 50, 22, 22, 34, 23, 22, 22, 102, - /* 1460 */ 109, 19, 24, 20, 38, 104, 25, 104, 138, 22, - /* 1470 */ 42, 5, 1, 108, 127, 74, 22, 50, 1, 74, - /* 1480 */ 16, 119, 20, 119, 108, 51, 128, 57, 51, 121, - /* 1490 */ 22, 16, 23, 23, 15, 140, 127, 3, 22, 4, - /* 1500 */ 251, 251, 63, + /* 1340 */ 131, 150, 150, 150, 211, 165, 150, 165, 104, 165, + /* 1350 */ 165, 23, 23, 25, 25, 211, 165, 165, 165, 176, + /* 1360 */ 23, 165, 25, 23, 23, 25, 25, 23, 211, 25, + /* 1370 */ 46, 176, 184, 103, 176, 22, 90, 176, 178, 18, + /* 1380 */ 176, 179, 176, 176, 179, 230, 230, 184, 157, 156, + /* 1390 */ 156, 44, 157, 156, 135, 157, 157, 238, 156, 239, + /* 1400 */ 157, 66, 189, 189, 22, 219, 157, 199, 18, 192, + /* 1410 */ 192, 192, 192, 189, 199, 157, 39, 243, 243, 157, + /* 1420 */ 157, 37, 246, 1, 164, 180, 180, 249, 15, 219, + /* 1430 */ 23, 252, 22, 252, 118, 118, 118, 118, 118, 113, + /* 1440 */ 98, 22, 11, 23, 23, 22, 22, 120, 23, 34, + /* 1450 */ 23, 25, 23, 25, 118, 25, 22, 102, 50, 23, + /* 1460 */ 23, 22, 27, 22, 50, 23, 34, 34, 22, 22, + /* 1470 */ 22, 109, 19, 24, 20, 104, 38, 25, 104, 22, + /* 1480 */ 5, 138, 1, 118, 34, 42, 27, 108, 22, 119, + /* 1490 */ 50, 74, 74, 127, 1, 16, 51, 121, 20, 119, + /* 1500 */ 108, 57, 51, 128, 22, 127, 23, 23, 16, 15, + /* 1510 */ 22, 3, 140, 4, 253, 253, 253, 253, 63, }; #define YY_SHIFT_USE_DFLT (-111) -#define YY_SHIFT_MAX 408 +#define YY_SHIFT_MAX 415 static const short yy_shift_ofst[] = { /* 0 */ 187, 1061, 1170, 1061, 1194, 1194, -2, 64, 64, -19, /* 10 */ 1194, 1194, 1194, 1194, 1194, 276, 1, 125, 1076, 1194, @@ -86736,140 +86989,142 @@ static const short yy_shift_ofst[] = { /* 30 */ 1194, 1194, 1194, 1194, 1194, 1194, 1194, 1194, 1194, 1194, /* 40 */ 1194, 1194, 1194, 1194, 1194, 1194, 1194, 1194, 1194, 1194, /* 50 */ 1194, 1194, 1194, 1194, 1194, 1194, 1194, 1194, 1194, -48, - /* 60 */ 409, 1, 1, 141, 281, 281, -110, 53, 197, 269, + /* 60 */ 409, 1, 1, 141, 318, 318, -110, 53, 197, 269, /* 70 */ 341, 413, 485, 557, 629, 701, 773, 845, 773, 773, /* 80 */ 773, 773, 773, 773, 773, 773, 773, 773, 773, 773, /* 90 */ 773, 773, 773, 773, 773, 773, 917, 989, 989, -67, - /* 100 */ -67, -1, -1, 55, 25, 379, 1, 1, 1, 1, - /* 110 */ 1, 639, 592, 1, 1, 1, 1, 1, 1, 1, - /* 120 */ 1, 1, 1, 1, 1, 1, 586, 141, -17, -111, - /* 130 */ -111, -111, 1209, 81, 376, 415, 426, 496, 90, 565, - /* 140 */ 565, 1, 1, 1, 1, 1, 1, 1, 1, 1, + /* 100 */ -67, -1, -1, 55, 25, 310, 1, 1, 1, 1, + /* 110 */ 1, 639, 304, 1, 1, 1, 1, 1, 1, 1, + /* 120 */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 365, + /* 130 */ 141, -17, -111, -111, -111, 1209, 81, 424, 353, 426, + /* 140 */ 441, 90, 565, 565, 1, 1, 1, 1, 1, 1, /* 150 */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 160 */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - /* 170 */ 1, 1, 1, 1, 809, 949, 455, 641, 641, 641, - /* 180 */ 769, 101, -110, -110, -110, -111, -111, -111, 232, 232, - /* 190 */ 268, 428, 213, 575, 645, 785, 788, 412, 968, 502, - /* 200 */ 491, 52, 183, 183, 183, 614, 614, 711, 912, 614, - /* 210 */ 614, 614, 614, 229, 546, -13, 141, 762, 762, 249, - /* 220 */ 578, 578, 664, 578, 856, 578, 141, 578, 141, 913, - /* 230 */ 843, 664, 664, 843, 1039, 1039, 1039, 1039, 1080, 1080, - /* 240 */ 1075, -110, 997, 1010, 1033, 1063, 1073, 1064, 1099, 1099, - /* 250 */ 1122, 1123, 1122, 1123, 1122, 1123, 1164, 1164, 1236, 1164, - /* 260 */ 1226, 1164, 1322, 1269, 1269, 1236, 1164, 1164, 1164, 1322, - /* 270 */ 1359, 1099, 1359, 1099, 1359, 1099, 1099, 1336, 1249, 1359, - /* 280 */ 1099, 1325, 1325, 1366, 997, 1099, 1378, 1378, 1378, 1378, - /* 290 */ 997, 1325, 1366, 1099, 1367, 1367, 1099, 1099, 1372, -111, - /* 300 */ -111, -111, -111, -111, -111, 552, 1066, 1059, 1069, 960, - /* 310 */ 1082, 712, 631, 928, 801, 1015, 866, 1097, 1153, 1241, - /* 320 */ 1285, 1329, 1337, 1342, 515, 1346, 1415, 1403, 1396, 1398, - /* 330 */ 1304, 1305, 1306, 1307, 1308, 1331, 1314, 1408, 1409, 1410, - /* 340 */ 1412, 1420, 1413, 1414, 1411, 1416, 1417, 1418, 1404, 1419, - /* 350 */ 1407, 1418, 1326, 1423, 1421, 1422, 1324, 1424, 1425, 1426, - /* 360 */ 1400, 1429, 1402, 1431, 1433, 1432, 1435, 1427, 1436, 1357, - /* 370 */ 1351, 1442, 1443, 1438, 1361, 1428, 1430, 1434, 1441, 1437, - /* 380 */ 1330, 1363, 1447, 1466, 1471, 1365, 1401, 1405, 1347, 1454, - /* 390 */ 1362, 1477, 1464, 1368, 1462, 1364, 1376, 1369, 1468, 1358, - /* 400 */ 1469, 1470, 1475, 1439, 1479, 1355, 1476, 1494, 1495, + /* 170 */ 1, 1, 1, 1, 1, 1, 447, 809, 327, 419, + /* 180 */ 419, 419, 841, 101, -110, -110, -110, -111, -111, -111, + /* 190 */ 232, 232, 268, 427, 575, 645, 788, 208, 861, 699, + /* 200 */ 897, 784, 637, 52, 183, 183, 183, 902, 902, 996, + /* 210 */ 1059, 902, 902, 902, 902, 275, 689, -13, 141, 824, + /* 220 */ 824, 478, 498, 498, 656, 498, 262, 498, 141, 498, + /* 230 */ 141, 860, 737, 712, 737, 656, 656, 712, 1017, 1017, + /* 240 */ 1017, 1017, 1040, 1040, 1089, -110, 1024, 1034, 1075, 1093, + /* 250 */ 1073, 1110, 1143, 1143, 1197, 1199, 1197, 1199, 1197, 1199, + /* 260 */ 1244, 1244, 1324, 1244, 1270, 1244, 1353, 1286, 1286, 1324, + /* 270 */ 1244, 1244, 1244, 1353, 1361, 1143, 1361, 1143, 1361, 1143, + /* 280 */ 1143, 1347, 1259, 1361, 1143, 1335, 1335, 1382, 1024, 1143, + /* 290 */ 1390, 1390, 1390, 1390, 1024, 1335, 1382, 1143, 1377, 1377, + /* 300 */ 1143, 1143, 1384, -111, -111, -111, -111, -111, -111, 552, + /* 310 */ 749, 1137, 1031, 1082, 1232, 801, 1097, 1153, 873, 1011, + /* 320 */ 853, 1163, 1257, 1328, 1329, 1337, 1340, 1341, 736, 1344, + /* 330 */ 1422, 1413, 1407, 1410, 1316, 1317, 1318, 1319, 1320, 1342, + /* 340 */ 1326, 1419, 1420, 1421, 1423, 1431, 1424, 1425, 1426, 1427, + /* 350 */ 1429, 1428, 1415, 1430, 1432, 1428, 1327, 1434, 1433, 1435, + /* 360 */ 1336, 1436, 1437, 1438, 1408, 1439, 1414, 1441, 1442, 1446, + /* 370 */ 1447, 1440, 1448, 1355, 1362, 1453, 1454, 1449, 1371, 1443, + /* 380 */ 1444, 1445, 1452, 1451, 1343, 1374, 1457, 1475, 1481, 1365, + /* 390 */ 1450, 1459, 1379, 1417, 1418, 1366, 1466, 1370, 1493, 1479, + /* 400 */ 1376, 1478, 1380, 1392, 1378, 1482, 1375, 1483, 1484, 1492, + /* 410 */ 1455, 1494, 1372, 1488, 1508, 1509, }; #define YY_REDUCE_USE_DFLT (-180) -#define YY_REDUCE_MAX 304 +#define YY_REDUCE_MAX 308 static const short yy_reduce_ofst[] = { /* 0 */ -141, 82, 154, 284, 12, 75, 69, 73, 142, -59, - /* 10 */ 145, 87, 159, 220, 226, 346, 289, 155, 429, 437, - /* 20 */ 442, 486, 499, 505, 507, 519, 558, 571, 577, 588, - /* 30 */ 591, 630, 643, 649, 651, 662, 702, 715, 721, 733, - /* 40 */ 774, 787, 793, 805, 846, 859, 865, 877, 881, 934, - /* 50 */ 936, 963, 967, 969, 998, 1053, 1072, 1088, 1109, -179, - /* 60 */ 850, 283, 380, 381, 89, 304, 390, 2, 2, 2, + /* 10 */ 145, 87, 159, 220, 291, 346, 226, 213, 357, 374, + /* 20 */ 429, 437, 442, 486, 499, 505, 507, 519, 558, 571, + /* 30 */ 577, 588, 630, 643, 649, 651, 662, 702, 715, 721, + /* 40 */ 733, 774, 787, 793, 805, 846, 859, 865, 877, 881, + /* 50 */ 934, 936, 963, 967, 969, 998, 1053, 1072, 1088, -179, + /* 60 */ 850, 956, 380, 308, 89, 496, 384, 2, 2, 2, /* 70 */ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, /* 80 */ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, /* 90 */ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - /* 100 */ 2, 2, 2, 215, 2, 2, 449, 574, 719, 722, - /* 110 */ 791, 134, 65, 942, 521, 794, -47, 878, 956, 986, - /* 120 */ 1003, 1047, 1074, 1092, 295, 1104, 2, 779, 2, 2, - /* 130 */ 2, 2, 158, 338, 572, 644, 650, 670, 723, 392, - /* 140 */ 564, 792, 885, 966, 1002, 1036, 723, 1084, 1091, 1100, - /* 150 */ 1105, 1130, 1141, 1146, 1148, 1149, 1150, 1152, 1154, 1155, - /* 160 */ 1166, 1168, 1171, 1172, 1180, 1182, 1184, 1185, 1191, 1192, - /* 170 */ 1193, 1196, 1198, 1201, 554, 554, 734, 238, 326, 373, - /* 180 */ -134, 278, 604, 710, 853, 44, 600, 635, -98, -70, - /* 190 */ -54, -36, -35, -35, -35, 13, -35, 14, 149, 115, - /* 200 */ 163, 14, 210, 223, 280, -35, -35, 307, 358, -35, - /* 210 */ -35, -35, -35, 352, 470, 487, 581, 563, 596, 605, - /* 220 */ 642, 661, 666, 724, 758, 777, 784, 796, 860, 834, - /* 230 */ 830, 823, 827, 842, 899, 900, 904, 905, 938, 943, - /* 240 */ 955, 924, 940, 950, 957, 987, 985, 988, 1062, 1086, - /* 250 */ 1023, 1034, 1041, 1049, 1042, 1050, 1095, 1096, 1106, 1125, - /* 260 */ 1134, 1177, 1176, 1138, 1140, 1188, 1197, 1199, 1200, 1195, - /* 270 */ 1208, 1221, 1223, 1224, 1227, 1225, 1228, 1151, 1147, 1231, - /* 280 */ 1233, 1203, 1204, 1175, 1202, 1238, 1205, 1206, 1207, 1210, - /* 290 */ 1211, 1214, 1181, 1247, 1167, 1173, 1248, 1250, 1169, 1251, - /* 300 */ 1232, 1237, 1174, 1161, 1178, + /* 100 */ 2, 2, 2, 416, 2, 2, 449, 579, 648, 723, + /* 110 */ 791, 134, 501, 716, 521, 794, 589, -47, 650, 590, + /* 120 */ 795, 942, 974, 986, 1003, 1047, 1074, 935, 1091, 2, + /* 130 */ 417, 2, 2, 2, 2, 158, 336, 526, 576, 863, + /* 140 */ 885, 966, 405, 428, 968, 1039, 1069, 1099, 1100, 966, + /* 150 */ 1101, 1107, 1109, 1118, 1120, 1140, 1141, 1145, 1146, 1148, + /* 160 */ 1149, 1150, 1152, 1154, 1166, 1168, 1171, 1172, 1180, 1182, + /* 170 */ 1184, 1185, 1191, 1192, 1193, 1196, 403, 403, 652, 377, + /* 180 */ 663, 667, -134, 780, 888, 933, 1066, 44, 672, 698, + /* 190 */ -98, -70, -54, -36, -35, -35, -35, 13, -35, 14, + /* 200 */ 146, 181, 227, 14, 203, 223, 250, -35, -35, 224, + /* 210 */ 202, -35, -35, -35, -35, 339, 309, 312, 381, 317, + /* 220 */ 376, 457, 515, 570, 619, 584, 687, 705, 709, 765, + /* 230 */ 726, 786, 730, 778, 741, 803, 813, 827, 883, 892, + /* 240 */ 896, 900, 903, 943, 964, 932, 930, 958, 984, 1015, + /* 250 */ 1030, 1025, 1112, 1114, 1098, 1133, 1102, 1144, 1119, 1157, + /* 260 */ 1183, 1195, 1188, 1198, 1200, 1201, 1202, 1155, 1156, 1203, + /* 270 */ 1204, 1206, 1207, 1205, 1233, 1231, 1234, 1235, 1237, 1238, + /* 280 */ 1239, 1159, 1160, 1242, 1243, 1213, 1214, 1186, 1208, 1249, + /* 290 */ 1217, 1218, 1219, 1220, 1215, 1224, 1210, 1258, 1174, 1175, + /* 300 */ 1262, 1263, 1176, 1260, 1245, 1246, 1178, 1179, 1181, }; static const YYACTIONTYPE yy_default[] = { - /* 0 */ 624, 859, 943, 943, 859, 943, 943, 888, 888, 747, - /* 10 */ 857, 943, 943, 943, 943, 943, 943, 917, 943, 943, - /* 20 */ 943, 943, 943, 943, 943, 943, 943, 943, 943, 943, - /* 30 */ 943, 943, 943, 943, 943, 943, 943, 943, 943, 943, - /* 40 */ 943, 943, 943, 943, 943, 943, 943, 943, 943, 943, - /* 50 */ 943, 943, 943, 943, 943, 943, 943, 943, 943, 831, - /* 60 */ 943, 943, 943, 663, 888, 888, 751, 782, 943, 943, - /* 70 */ 943, 943, 943, 943, 943, 943, 783, 943, 861, 856, - /* 80 */ 852, 854, 853, 860, 784, 773, 780, 787, 762, 901, - /* 90 */ 789, 790, 796, 797, 918, 916, 819, 818, 837, 821, - /* 100 */ 843, 820, 830, 655, 822, 823, 943, 943, 943, 943, - /* 110 */ 943, 716, 650, 943, 943, 943, 943, 943, 943, 943, - /* 120 */ 943, 943, 943, 943, 943, 943, 824, 943, 825, 838, - /* 130 */ 839, 840, 943, 943, 943, 943, 943, 943, 943, 943, - /* 140 */ 943, 630, 943, 943, 943, 943, 943, 943, 943, 943, - /* 150 */ 943, 943, 943, 943, 943, 943, 943, 943, 943, 943, - /* 160 */ 943, 943, 943, 943, 943, 943, 943, 943, 943, 872, - /* 170 */ 943, 921, 923, 943, 943, 943, 624, 747, 747, 747, - /* 180 */ 943, 943, 943, 943, 943, 741, 751, 935, 943, 943, - /* 190 */ 707, 943, 943, 943, 943, 943, 943, 943, 632, 739, - /* 200 */ 665, 749, 943, 943, 943, 652, 728, 894, 943, 908, - /* 210 */ 906, 730, 792, 943, 739, 748, 943, 943, 943, 855, - /* 220 */ 776, 776, 764, 776, 686, 776, 943, 776, 943, 689, - /* 230 */ 786, 764, 764, 786, 629, 629, 629, 629, 640, 640, - /* 240 */ 706, 943, 786, 777, 779, 769, 781, 943, 755, 755, - /* 250 */ 763, 768, 763, 768, 763, 768, 718, 718, 703, 718, - /* 260 */ 689, 718, 865, 869, 869, 703, 718, 718, 718, 865, - /* 270 */ 647, 755, 647, 755, 647, 755, 755, 898, 900, 647, - /* 280 */ 755, 720, 720, 798, 786, 755, 727, 727, 727, 727, - /* 290 */ 786, 720, 798, 755, 920, 920, 755, 755, 928, 673, - /* 300 */ 691, 691, 935, 940, 940, 943, 943, 943, 943, 943, - /* 310 */ 943, 943, 943, 943, 943, 943, 943, 943, 943, 943, - /* 320 */ 943, 943, 943, 943, 874, 943, 943, 638, 943, 657, - /* 330 */ 805, 810, 806, 943, 807, 943, 733, 943, 943, 943, - /* 340 */ 943, 943, 943, 943, 943, 943, 943, 858, 943, 770, - /* 350 */ 943, 778, 943, 943, 943, 943, 943, 943, 943, 943, - /* 360 */ 943, 943, 943, 943, 943, 943, 943, 943, 943, 943, - /* 370 */ 943, 943, 943, 943, 943, 943, 943, 896, 897, 943, - /* 380 */ 943, 943, 943, 943, 943, 943, 943, 943, 943, 943, - /* 390 */ 943, 943, 943, 943, 943, 943, 943, 943, 943, 943, - /* 400 */ 943, 943, 943, 927, 943, 943, 930, 625, 943, 620, - /* 410 */ 622, 623, 627, 628, 631, 657, 658, 660, 661, 662, - /* 420 */ 633, 634, 635, 636, 637, 639, 643, 641, 642, 644, - /* 430 */ 651, 653, 672, 674, 676, 737, 738, 802, 731, 732, - /* 440 */ 736, 659, 813, 804, 808, 809, 811, 812, 826, 827, - /* 450 */ 829, 835, 842, 845, 828, 833, 834, 836, 841, 844, - /* 460 */ 734, 735, 848, 666, 667, 670, 671, 884, 886, 885, - /* 470 */ 887, 669, 668, 814, 817, 850, 851, 909, 910, 911, - /* 480 */ 912, 913, 846, 756, 849, 832, 771, 774, 775, 772, - /* 490 */ 740, 750, 758, 759, 760, 761, 745, 746, 752, 767, - /* 500 */ 800, 801, 765, 766, 753, 754, 742, 743, 744, 847, - /* 510 */ 803, 815, 816, 677, 678, 810, 679, 680, 681, 719, - /* 520 */ 722, 723, 724, 682, 701, 704, 705, 683, 690, 684, - /* 530 */ 685, 692, 693, 694, 697, 698, 699, 700, 695, 696, - /* 540 */ 866, 867, 870, 868, 687, 688, 702, 675, 664, 656, - /* 550 */ 708, 711, 712, 713, 714, 715, 717, 709, 710, 654, - /* 560 */ 645, 648, 757, 890, 899, 895, 891, 892, 893, 649, - /* 570 */ 862, 863, 721, 794, 795, 889, 902, 904, 799, 905, - /* 580 */ 907, 903, 932, 646, 725, 726, 729, 871, 914, 785, - /* 590 */ 788, 791, 793, 873, 875, 877, 879, 880, 881, 882, - /* 600 */ 883, 876, 878, 915, 919, 922, 924, 925, 926, 929, - /* 610 */ 931, 936, 937, 938, 941, 942, 939, 626, 621, + /* 0 */ 634, 869, 958, 958, 869, 958, 958, 898, 898, 757, + /* 10 */ 867, 958, 958, 958, 958, 958, 958, 932, 958, 958, + /* 20 */ 958, 958, 958, 958, 958, 958, 958, 958, 958, 958, + /* 30 */ 958, 958, 958, 958, 958, 958, 958, 958, 958, 958, + /* 40 */ 958, 958, 958, 958, 958, 958, 958, 958, 958, 958, + /* 50 */ 958, 958, 958, 958, 958, 958, 958, 958, 958, 841, + /* 60 */ 958, 958, 958, 673, 898, 898, 761, 792, 958, 958, + /* 70 */ 958, 958, 958, 958, 958, 958, 793, 958, 871, 866, + /* 80 */ 862, 864, 863, 870, 794, 783, 790, 797, 772, 911, + /* 90 */ 799, 800, 806, 807, 933, 931, 829, 828, 847, 831, + /* 100 */ 853, 830, 840, 665, 832, 833, 958, 958, 958, 958, + /* 110 */ 958, 726, 660, 958, 958, 958, 958, 958, 958, 958, + /* 120 */ 958, 958, 958, 958, 958, 958, 958, 958, 958, 834, + /* 130 */ 958, 835, 848, 849, 850, 958, 958, 958, 958, 958, + /* 140 */ 958, 958, 958, 958, 640, 958, 958, 958, 958, 958, + /* 150 */ 958, 958, 958, 958, 958, 958, 958, 958, 958, 958, + /* 160 */ 958, 958, 958, 958, 958, 958, 958, 958, 958, 958, + /* 170 */ 958, 882, 958, 936, 938, 958, 958, 958, 634, 757, + /* 180 */ 757, 757, 958, 958, 958, 958, 958, 751, 761, 950, + /* 190 */ 958, 958, 717, 958, 958, 958, 958, 958, 958, 958, + /* 200 */ 642, 749, 675, 759, 958, 958, 958, 662, 738, 904, + /* 210 */ 958, 923, 921, 740, 802, 958, 749, 758, 958, 958, + /* 220 */ 958, 865, 786, 786, 774, 786, 696, 786, 958, 786, + /* 230 */ 958, 699, 916, 796, 916, 774, 774, 796, 639, 639, + /* 240 */ 639, 639, 650, 650, 716, 958, 796, 787, 789, 779, + /* 250 */ 791, 958, 765, 765, 773, 778, 773, 778, 773, 778, + /* 260 */ 728, 728, 713, 728, 699, 728, 875, 879, 879, 713, + /* 270 */ 728, 728, 728, 875, 657, 765, 657, 765, 657, 765, + /* 280 */ 765, 908, 910, 657, 765, 730, 730, 808, 796, 765, + /* 290 */ 737, 737, 737, 737, 796, 730, 808, 765, 935, 935, + /* 300 */ 765, 765, 943, 683, 701, 701, 950, 955, 955, 958, + /* 310 */ 958, 958, 958, 958, 958, 958, 958, 958, 958, 958, + /* 320 */ 958, 958, 958, 958, 958, 958, 958, 958, 884, 958, + /* 330 */ 958, 648, 958, 667, 815, 820, 816, 958, 817, 958, + /* 340 */ 743, 958, 958, 958, 958, 958, 958, 958, 958, 958, + /* 350 */ 958, 868, 958, 780, 958, 788, 958, 958, 958, 958, + /* 360 */ 958, 958, 958, 958, 958, 958, 958, 958, 958, 958, + /* 370 */ 958, 958, 958, 958, 958, 958, 958, 958, 958, 958, + /* 380 */ 958, 906, 907, 958, 958, 958, 958, 958, 958, 914, + /* 390 */ 958, 958, 958, 958, 958, 958, 958, 958, 958, 958, + /* 400 */ 958, 958, 958, 958, 958, 958, 958, 958, 958, 958, + /* 410 */ 942, 958, 958, 945, 635, 958, 630, 632, 633, 637, + /* 420 */ 638, 641, 667, 668, 670, 671, 672, 643, 644, 645, + /* 430 */ 646, 647, 649, 653, 651, 652, 654, 661, 663, 682, + /* 440 */ 684, 686, 747, 748, 812, 741, 742, 746, 669, 823, + /* 450 */ 814, 818, 819, 821, 822, 836, 837, 839, 845, 852, + /* 460 */ 855, 838, 843, 844, 846, 851, 854, 744, 745, 858, + /* 470 */ 676, 677, 680, 681, 894, 896, 895, 897, 679, 678, + /* 480 */ 824, 827, 860, 861, 924, 925, 926, 927, 928, 856, + /* 490 */ 766, 859, 842, 781, 784, 785, 782, 750, 760, 768, + /* 500 */ 769, 770, 771, 755, 756, 762, 777, 810, 811, 775, + /* 510 */ 776, 763, 764, 752, 753, 754, 857, 813, 825, 826, + /* 520 */ 687, 688, 820, 689, 690, 691, 729, 732, 733, 734, + /* 530 */ 692, 711, 714, 715, 693, 700, 694, 695, 702, 703, + /* 540 */ 704, 707, 708, 709, 710, 705, 706, 876, 877, 880, + /* 550 */ 878, 697, 698, 712, 685, 674, 666, 718, 721, 722, + /* 560 */ 723, 724, 725, 727, 719, 720, 664, 655, 658, 767, + /* 570 */ 900, 909, 905, 901, 902, 903, 659, 872, 873, 731, + /* 580 */ 804, 805, 899, 912, 915, 917, 918, 919, 809, 920, + /* 590 */ 922, 913, 947, 656, 735, 736, 739, 881, 929, 795, + /* 600 */ 798, 801, 803, 883, 885, 887, 889, 890, 891, 892, + /* 610 */ 893, 886, 888, 930, 934, 937, 939, 940, 941, 944, + /* 620 */ 946, 951, 952, 953, 956, 957, 954, 636, 631, }; #define YY_SZ_ACTTAB (int)(sizeof(yy_action)/sizeof(yy_action[0])) @@ -87087,9 +87342,10 @@ static const char *const yyTokenName[] = { "case_else", "uniqueflag", "collate", "nmnum", "plus_opt", "number", "trigger_decl", "trigger_cmd_list", "trigger_time", "trigger_event", "foreach_clause", "when_clause", - "trigger_cmd", "database_kw_opt", "key_opt", "add_column_fullname", - "kwcolumn_opt", "create_vtab", "vtabarglist", "vtabarg", - "vtabargtoken", "lp", "anylist", + "trigger_cmd", "trnm", "tridxby", "database_kw_opt", + "key_opt", "add_column_fullname", "kwcolumn_opt", "create_vtab", + "vtabarglist", "vtabarg", "vtabargtoken", "lp", + "anylist", }; #endif /* NDEBUG */ @@ -87382,45 +87638,50 @@ static const char *const yyRuleName[] = { /* 282 */ "when_clause ::= WHEN expr", /* 283 */ "trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI", /* 284 */ "trigger_cmd_list ::= trigger_cmd SEMI", - /* 285 */ "trigger_cmd ::= UPDATE orconf nm SET setlist where_opt", - /* 286 */ "trigger_cmd ::= insert_cmd INTO nm inscollist_opt VALUES LP itemlist RP", - /* 287 */ "trigger_cmd ::= insert_cmd INTO nm inscollist_opt select", - /* 288 */ "trigger_cmd ::= DELETE FROM nm where_opt", - /* 289 */ "trigger_cmd ::= select", - /* 290 */ "expr ::= RAISE LP IGNORE RP", - /* 291 */ "expr ::= RAISE LP raisetype COMMA nm RP", - /* 292 */ "raisetype ::= ROLLBACK", - /* 293 */ "raisetype ::= ABORT", - /* 294 */ "raisetype ::= FAIL", - /* 295 */ "cmd ::= DROP TRIGGER ifexists fullname", - /* 296 */ "cmd ::= ATTACH database_kw_opt expr AS expr key_opt", - /* 297 */ "cmd ::= DETACH database_kw_opt expr", - /* 298 */ "key_opt ::=", - /* 299 */ "key_opt ::= KEY expr", - /* 300 */ "database_kw_opt ::= DATABASE", - /* 301 */ "database_kw_opt ::=", - /* 302 */ "cmd ::= REINDEX", - /* 303 */ "cmd ::= REINDEX nm dbnm", - /* 304 */ "cmd ::= ANALYZE", - /* 305 */ "cmd ::= ANALYZE nm dbnm", - /* 306 */ "cmd ::= ALTER TABLE fullname RENAME TO nm", - /* 307 */ "cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt column", - /* 308 */ "add_column_fullname ::= fullname", - /* 309 */ "kwcolumn_opt ::=", - /* 310 */ "kwcolumn_opt ::= COLUMNKW", - /* 311 */ "cmd ::= create_vtab", - /* 312 */ "cmd ::= create_vtab LP vtabarglist RP", - /* 313 */ "create_vtab ::= createkw VIRTUAL TABLE nm dbnm USING nm", - /* 314 */ "vtabarglist ::= vtabarg", - /* 315 */ "vtabarglist ::= vtabarglist COMMA vtabarg", - /* 316 */ "vtabarg ::=", - /* 317 */ "vtabarg ::= vtabarg vtabargtoken", - /* 318 */ "vtabargtoken ::= ANY", - /* 319 */ "vtabargtoken ::= lp anylist RP", - /* 320 */ "lp ::= LP", - /* 321 */ "anylist ::=", - /* 322 */ "anylist ::= anylist LP anylist RP", - /* 323 */ "anylist ::= anylist ANY", + /* 285 */ "trnm ::= nm", + /* 286 */ "trnm ::= nm DOT nm", + /* 287 */ "tridxby ::=", + /* 288 */ "tridxby ::= INDEXED BY nm", + /* 289 */ "tridxby ::= NOT INDEXED", + /* 290 */ "trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist where_opt", + /* 291 */ "trigger_cmd ::= insert_cmd INTO trnm inscollist_opt VALUES LP itemlist RP", + /* 292 */ "trigger_cmd ::= insert_cmd INTO trnm inscollist_opt select", + /* 293 */ "trigger_cmd ::= DELETE FROM trnm tridxby where_opt", + /* 294 */ "trigger_cmd ::= select", + /* 295 */ "expr ::= RAISE LP IGNORE RP", + /* 296 */ "expr ::= RAISE LP raisetype COMMA nm RP", + /* 297 */ "raisetype ::= ROLLBACK", + /* 298 */ "raisetype ::= ABORT", + /* 299 */ "raisetype ::= FAIL", + /* 300 */ "cmd ::= DROP TRIGGER ifexists fullname", + /* 301 */ "cmd ::= ATTACH database_kw_opt expr AS expr key_opt", + /* 302 */ "cmd ::= DETACH database_kw_opt expr", + /* 303 */ "key_opt ::=", + /* 304 */ "key_opt ::= KEY expr", + /* 305 */ "database_kw_opt ::= DATABASE", + /* 306 */ "database_kw_opt ::=", + /* 307 */ "cmd ::= REINDEX", + /* 308 */ "cmd ::= REINDEX nm dbnm", + /* 309 */ "cmd ::= ANALYZE", + /* 310 */ "cmd ::= ANALYZE nm dbnm", + /* 311 */ "cmd ::= ALTER TABLE fullname RENAME TO nm", + /* 312 */ "cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt column", + /* 313 */ "add_column_fullname ::= fullname", + /* 314 */ "kwcolumn_opt ::=", + /* 315 */ "kwcolumn_opt ::= COLUMNKW", + /* 316 */ "cmd ::= create_vtab", + /* 317 */ "cmd ::= create_vtab LP vtabarglist RP", + /* 318 */ "create_vtab ::= createkw VIRTUAL TABLE nm dbnm USING nm", + /* 319 */ "vtabarglist ::= vtabarg", + /* 320 */ "vtabarglist ::= vtabarglist COMMA vtabarg", + /* 321 */ "vtabarg ::=", + /* 322 */ "vtabarg ::= vtabarg vtabargtoken", + /* 323 */ "vtabargtoken ::= ANY", + /* 324 */ "vtabargtoken ::= lp anylist RP", + /* 325 */ "lp ::= LP", + /* 326 */ "anylist ::=", + /* 327 */ "anylist ::= anylist LP anylist RP", + /* 328 */ "anylist ::= anylist ANY", }; #endif /* NDEBUG */ @@ -87502,14 +87763,14 @@ static void yy_destructor( case 160: /* select */ case 194: /* oneselect */ { -sqlite3SelectDelete(pParse->db, (yypminor->yy243)); +sqlite3SelectDelete(pParse->db, (yypminor->yy3)); } break; case 174: /* term */ case 175: /* expr */ case 223: /* escape */ { -sqlite3ExprDelete(pParse->db, (yypminor->yy190).pExpr); +sqlite3ExprDelete(pParse->db, (yypminor->yy346).pExpr); } break; case 179: /* idxlist_opt */ @@ -87525,7 +87786,7 @@ sqlite3ExprDelete(pParse->db, (yypminor->yy190).pExpr); case 221: /* exprlist */ case 227: /* case_exprlist */ { -sqlite3ExprListDelete(pParse->db, (yypminor->yy148)); +sqlite3ExprListDelete(pParse->db, (yypminor->yy14)); } break; case 193: /* fullname */ @@ -87533,7 +87794,7 @@ sqlite3ExprListDelete(pParse->db, (yypminor->yy148)); case 206: /* seltablist */ case 207: /* stl_prefix */ { -sqlite3SrcListDelete(pParse->db, (yypminor->yy185)); +sqlite3SrcListDelete(pParse->db, (yypminor->yy65)); } break; case 199: /* where_opt */ @@ -87543,27 +87804,27 @@ sqlite3SrcListDelete(pParse->db, (yypminor->yy185)); case 226: /* case_operand */ case 228: /* case_else */ case 239: /* when_clause */ - case 242: /* key_opt */ + case 244: /* key_opt */ { -sqlite3ExprDelete(pParse->db, (yypminor->yy72)); +sqlite3ExprDelete(pParse->db, (yypminor->yy132)); } break; case 211: /* using_opt */ case 213: /* inscollist */ case 219: /* inscollist_opt */ { -sqlite3IdListDelete(pParse->db, (yypminor->yy254)); +sqlite3IdListDelete(pParse->db, (yypminor->yy408)); } break; case 235: /* trigger_cmd_list */ case 240: /* trigger_cmd */ { -sqlite3DeleteTriggerStep(pParse->db, (yypminor->yy145)); +sqlite3DeleteTriggerStep(pParse->db, (yypminor->yy473)); } break; case 237: /* trigger_event */ { -sqlite3IdListDelete(pParse->db, (yypminor->yy332).b); +sqlite3IdListDelete(pParse->db, (yypminor->yy378).b); } break; default: break; /* If no destructor action specified: do nothing */ @@ -87582,7 +87843,9 @@ static int yy_pop_parser_stack(yyParser *pParser){ YYCODETYPE yymajor; yyStackEntry *yytos = &pParser->yystack[pParser->yyidx]; - if( pParser->yyidx<0 ) return 0; + /* There is no mechanism by which the parser stack can be popped below + ** empty in SQLite. */ + if( NEVER(pParser->yyidx<0) ) return 0; #ifndef NDEBUG if( yyTraceFILE && pParser->yyidx>=0 ){ fprintf(yyTraceFILE,"%sPopping %s\n", @@ -87613,7 +87876,9 @@ SQLITE_PRIVATE void sqlite3ParserFree( void (*freeProc)(void*) /* Function used to reclaim memory */ ){ yyParser *pParser = (yyParser*)p; - if( pParser==0 ) return; + /* In SQLite, we never try to destroy a parser that was not successfully + ** created in the first place. */ + if( NEVER(pParser==0) ) return; while( pParser->yyidx>=0 ) yy_pop_parser_stack(pParser); #if YYSTACKDEPTH<=0 free(pParser->yystack); @@ -87652,6 +87917,8 @@ static int yy_find_shift_action( assert( iLookAhead!=YYNOCODE ); i += iLookAhead; if( i<0 || i>=YY_SZ_ACTTAB || yy_lookahead[i]!=iLookAhead ){ + /* The user of ";" instead of "\000" as a statement terminator in SQLite + ** means that we always have a look-ahead token. */ if( iLookAhead>0 ){ #ifdef YYFALLBACK YYCODETYPE iFallback; /* Fallback token */ @@ -88081,10 +88348,15 @@ static const struct { { 239, 2 }, { 235, 3 }, { 235, 2 }, - { 240, 6 }, + { 241, 1 }, + { 241, 3 }, + { 242, 0 }, + { 242, 3 }, + { 242, 2 }, + { 240, 7 }, { 240, 8 }, { 240, 5 }, - { 240, 4 }, + { 240, 5 }, { 240, 1 }, { 175, 4 }, { 175, 6 }, @@ -88094,32 +88366,32 @@ static const struct { { 147, 4 }, { 147, 6 }, { 147, 3 }, - { 242, 0 }, - { 242, 2 }, - { 241, 1 }, - { 241, 0 }, + { 244, 0 }, + { 244, 2 }, + { 243, 1 }, + { 243, 0 }, { 147, 1 }, { 147, 3 }, { 147, 1 }, { 147, 3 }, { 147, 6 }, { 147, 6 }, - { 243, 1 }, - { 244, 0 }, - { 244, 1 }, + { 245, 1 }, + { 246, 0 }, + { 246, 1 }, { 147, 1 }, { 147, 4 }, - { 245, 7 }, - { 246, 1 }, - { 246, 3 }, - { 247, 0 }, - { 247, 2 }, + { 247, 7 }, { 248, 1 }, { 248, 3 }, - { 249, 1 }, - { 250, 0 }, - { 250, 4 }, - { 250, 2 }, + { 249, 0 }, + { 249, 2 }, + { 250, 1 }, + { 250, 3 }, + { 251, 1 }, + { 252, 0 }, + { 252, 4 }, + { 252, 2 }, }; static void yy_accept(yyParser*); /* Forward Declaration */ @@ -88187,17 +88459,17 @@ static void yy_reduce( { sqlite3FinishCoding(pParse); } break; case 9: /* cmd ::= BEGIN transtype trans_opt */ -{sqlite3BeginTransaction(pParse, yymsp[-1].minor.yy194);} +{sqlite3BeginTransaction(pParse, yymsp[-1].minor.yy328);} break; case 13: /* transtype ::= */ -{yygotominor.yy194 = TK_DEFERRED;} +{yygotominor.yy328 = TK_DEFERRED;} break; case 14: /* transtype ::= DEFERRED */ case 15: /* transtype ::= IMMEDIATE */ yytestcase(yyruleno==15); case 16: /* transtype ::= EXCLUSIVE */ yytestcase(yyruleno==16); case 114: /* multiselect_op ::= UNION */ yytestcase(yyruleno==114); case 116: /* multiselect_op ::= EXCEPT|INTERSECT */ yytestcase(yyruleno==116); -{yygotominor.yy194 = yymsp[0].major;} +{yygotominor.yy328 = yymsp[0].major;} break; case 17: /* cmd ::= COMMIT trans_opt */ case 18: /* cmd ::= END trans_opt */ yytestcase(yyruleno==18); @@ -88223,7 +88495,7 @@ static void yy_reduce( break; case 26: /* create_table ::= createkw temp TABLE ifnotexists nm dbnm */ { - sqlite3StartTable(pParse,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0,yymsp[-4].minor.yy194,0,0,yymsp[-2].minor.yy194); + sqlite3StartTable(pParse,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0,yymsp[-4].minor.yy328,0,0,yymsp[-2].minor.yy328); } break; case 27: /* createkw ::= CREATE */ @@ -88243,7 +88515,7 @@ static void yy_reduce( case 120: /* distinct ::= */ yytestcase(yyruleno==120); case 222: /* between_op ::= BETWEEN */ yytestcase(yyruleno==222); case 225: /* in_op ::= IN */ yytestcase(yyruleno==225); -{yygotominor.yy194 = 0;} +{yygotominor.yy328 = 0;} break; case 29: /* ifnotexists ::= IF NOT EXISTS */ case 30: /* temp ::= TEMP */ yytestcase(yyruleno==30); @@ -88253,7 +88525,7 @@ static void yy_reduce( case 118: /* distinct ::= DISTINCT */ yytestcase(yyruleno==118); case 223: /* between_op ::= NOT BETWEEN */ yytestcase(yyruleno==223); case 226: /* in_op ::= NOT IN */ yytestcase(yyruleno==226); -{yygotominor.yy194 = 1;} +{yygotominor.yy328 = 1;} break; case 32: /* create_table_args ::= LP columnlist conslist_opt RP */ { @@ -88262,8 +88534,8 @@ static void yy_reduce( break; case 33: /* create_table_args ::= AS select */ { - sqlite3EndTable(pParse,0,0,yymsp[0].minor.yy243); - sqlite3SelectDelete(pParse->db, yymsp[0].minor.yy243); + sqlite3EndTable(pParse,0,0,yymsp[0].minor.yy3); + sqlite3SelectDelete(pParse->db, yymsp[0].minor.yy3); } break; case 36: /* column ::= columnid type carglist */ @@ -88299,6 +88571,7 @@ static void yy_reduce( case 265: /* plus_num ::= plus_opt number */ yytestcase(yyruleno==265); case 266: /* minus_num ::= MINUS number */ yytestcase(yyruleno==266); case 267: /* number ::= INTEGER|FLOAT */ yytestcase(yyruleno==267); + case 285: /* trnm ::= nm */ yytestcase(yyruleno==285); {yygotominor.yy0 = yymsp[0].minor.yy0;} break; case 45: /* type ::= typetoken */ @@ -88321,17 +88594,17 @@ static void yy_reduce( break; case 57: /* ccons ::= DEFAULT term */ case 59: /* ccons ::= DEFAULT PLUS term */ yytestcase(yyruleno==59); -{sqlite3AddDefaultValue(pParse,&yymsp[0].minor.yy190);} +{sqlite3AddDefaultValue(pParse,&yymsp[0].minor.yy346);} break; case 58: /* ccons ::= DEFAULT LP expr RP */ -{sqlite3AddDefaultValue(pParse,&yymsp[-1].minor.yy190);} +{sqlite3AddDefaultValue(pParse,&yymsp[-1].minor.yy346);} break; case 60: /* ccons ::= DEFAULT MINUS term */ { ExprSpan v; - v.pExpr = sqlite3PExpr(pParse, TK_UMINUS, yymsp[0].minor.yy190.pExpr, 0, 0); + v.pExpr = sqlite3PExpr(pParse, TK_UMINUS, yymsp[0].minor.yy346.pExpr, 0, 0); v.zStart = yymsp[-1].minor.yy0.z; - v.zEnd = yymsp[0].minor.yy190.zEnd; + v.zEnd = yymsp[0].minor.yy346.zEnd; sqlite3AddDefaultValue(pParse,&v); } break; @@ -88343,64 +88616,62 @@ static void yy_reduce( } break; case 63: /* ccons ::= NOT NULL onconf */ -{sqlite3AddNotNull(pParse, yymsp[0].minor.yy194);} +{sqlite3AddNotNull(pParse, yymsp[0].minor.yy328);} break; case 64: /* ccons ::= PRIMARY KEY sortorder onconf autoinc */ -{sqlite3AddPrimaryKey(pParse,0,yymsp[-1].minor.yy194,yymsp[0].minor.yy194,yymsp[-2].minor.yy194);} +{sqlite3AddPrimaryKey(pParse,0,yymsp[-1].minor.yy328,yymsp[0].minor.yy328,yymsp[-2].minor.yy328);} break; case 65: /* ccons ::= UNIQUE onconf */ -{sqlite3CreateIndex(pParse,0,0,0,0,yymsp[0].minor.yy194,0,0,0,0);} +{sqlite3CreateIndex(pParse,0,0,0,0,yymsp[0].minor.yy328,0,0,0,0);} break; case 66: /* ccons ::= CHECK LP expr RP */ -{sqlite3AddCheckConstraint(pParse,yymsp[-1].minor.yy190.pExpr);} +{sqlite3AddCheckConstraint(pParse,yymsp[-1].minor.yy346.pExpr);} break; case 67: /* ccons ::= REFERENCES nm idxlist_opt refargs */ -{sqlite3CreateForeignKey(pParse,0,&yymsp[-2].minor.yy0,yymsp[-1].minor.yy148,yymsp[0].minor.yy194);} +{sqlite3CreateForeignKey(pParse,0,&yymsp[-2].minor.yy0,yymsp[-1].minor.yy14,yymsp[0].minor.yy328);} break; case 68: /* ccons ::= defer_subclause */ -{sqlite3DeferForeignKey(pParse,yymsp[0].minor.yy194);} +{sqlite3DeferForeignKey(pParse,yymsp[0].minor.yy328);} break; case 69: /* ccons ::= COLLATE ids */ {sqlite3AddCollateType(pParse, &yymsp[0].minor.yy0);} break; case 72: /* refargs ::= */ -{ yygotominor.yy194 = OE_Restrict * 0x010101; } +{ yygotominor.yy328 = OE_Restrict * 0x010101; } break; case 73: /* refargs ::= refargs refarg */ -{ yygotominor.yy194 = (yymsp[-1].minor.yy194 & ~yymsp[0].minor.yy497.mask) | yymsp[0].minor.yy497.value; } +{ yygotominor.yy328 = (yymsp[-1].minor.yy328 & ~yymsp[0].minor.yy429.mask) | yymsp[0].minor.yy429.value; } break; case 74: /* refarg ::= MATCH nm */ -{ yygotominor.yy497.value = 0; yygotominor.yy497.mask = 0x000000; } +{ yygotominor.yy429.value = 0; yygotominor.yy429.mask = 0x000000; } break; case 75: /* refarg ::= ON DELETE refact */ -{ yygotominor.yy497.value = yymsp[0].minor.yy194; yygotominor.yy497.mask = 0x0000ff; } +{ yygotominor.yy429.value = yymsp[0].minor.yy328; yygotominor.yy429.mask = 0x0000ff; } break; case 76: /* refarg ::= ON UPDATE refact */ -{ yygotominor.yy497.value = yymsp[0].minor.yy194<<8; yygotominor.yy497.mask = 0x00ff00; } +{ yygotominor.yy429.value = yymsp[0].minor.yy328<<8; yygotominor.yy429.mask = 0x00ff00; } break; case 77: /* refarg ::= ON INSERT refact */ -{ yygotominor.yy497.value = yymsp[0].minor.yy194<<16; yygotominor.yy497.mask = 0xff0000; } +{ yygotominor.yy429.value = yymsp[0].minor.yy328<<16; yygotominor.yy429.mask = 0xff0000; } break; case 78: /* refact ::= SET NULL */ -{ yygotominor.yy194 = OE_SetNull; } +{ yygotominor.yy328 = OE_SetNull; } break; case 79: /* refact ::= SET DEFAULT */ -{ yygotominor.yy194 = OE_SetDflt; } +{ yygotominor.yy328 = OE_SetDflt; } break; case 80: /* refact ::= CASCADE */ -{ yygotominor.yy194 = OE_Cascade; } +{ yygotominor.yy328 = OE_Cascade; } break; case 81: /* refact ::= RESTRICT */ -{ yygotominor.yy194 = OE_Restrict; } +{ yygotominor.yy328 = OE_Restrict; } break; case 82: /* defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt */ case 83: /* defer_subclause ::= DEFERRABLE init_deferred_pred_opt */ yytestcase(yyruleno==83); case 98: /* defer_subclause_opt ::= defer_subclause */ yytestcase(yyruleno==98); case 100: /* onconf ::= ON CONFLICT resolvetype */ yytestcase(yyruleno==100); - case 102: /* orconf ::= OR resolvetype */ yytestcase(yyruleno==102); case 103: /* resolvetype ::= raisetype */ yytestcase(yyruleno==103); - case 175: /* insert_cmd ::= INSERT orconf */ yytestcase(yyruleno==175); -{yygotominor.yy194 = yymsp[0].minor.yy194;} +{yygotominor.yy328 = yymsp[0].minor.yy328;} break; case 87: /* conslist_opt ::= */ {yygotominor.yy0.n = 0; yygotominor.yy0.z = 0;} @@ -88409,97 +88680,101 @@ static void yy_reduce( {yygotominor.yy0 = yymsp[-1].minor.yy0;} break; case 93: /* tcons ::= PRIMARY KEY LP idxlist autoinc RP onconf */ -{sqlite3AddPrimaryKey(pParse,yymsp[-3].minor.yy148,yymsp[0].minor.yy194,yymsp[-2].minor.yy194,0);} +{sqlite3AddPrimaryKey(pParse,yymsp[-3].minor.yy14,yymsp[0].minor.yy328,yymsp[-2].minor.yy328,0);} break; case 94: /* tcons ::= UNIQUE LP idxlist RP onconf */ -{sqlite3CreateIndex(pParse,0,0,0,yymsp[-2].minor.yy148,yymsp[0].minor.yy194,0,0,0,0);} +{sqlite3CreateIndex(pParse,0,0,0,yymsp[-2].minor.yy14,yymsp[0].minor.yy328,0,0,0,0);} break; case 95: /* tcons ::= CHECK LP expr RP onconf */ -{sqlite3AddCheckConstraint(pParse,yymsp[-2].minor.yy190.pExpr);} +{sqlite3AddCheckConstraint(pParse,yymsp[-2].minor.yy346.pExpr);} break; case 96: /* tcons ::= FOREIGN KEY LP idxlist RP REFERENCES nm idxlist_opt refargs defer_subclause_opt */ { - sqlite3CreateForeignKey(pParse, yymsp[-6].minor.yy148, &yymsp[-3].minor.yy0, yymsp[-2].minor.yy148, yymsp[-1].minor.yy194); - sqlite3DeferForeignKey(pParse, yymsp[0].minor.yy194); + sqlite3CreateForeignKey(pParse, yymsp[-6].minor.yy14, &yymsp[-3].minor.yy0, yymsp[-2].minor.yy14, yymsp[-1].minor.yy328); + sqlite3DeferForeignKey(pParse, yymsp[0].minor.yy328); } break; case 99: /* onconf ::= */ - case 101: /* orconf ::= */ yytestcase(yyruleno==101); -{yygotominor.yy194 = OE_Default;} +{yygotominor.yy328 = OE_Default;} + break; + case 101: /* orconf ::= */ +{yygotominor.yy186 = OE_Default;} + break; + case 102: /* orconf ::= OR resolvetype */ +{yygotominor.yy186 = (u8)yymsp[0].minor.yy328;} break; case 104: /* resolvetype ::= IGNORE */ -{yygotominor.yy194 = OE_Ignore;} +{yygotominor.yy328 = OE_Ignore;} break; case 105: /* resolvetype ::= REPLACE */ - case 176: /* insert_cmd ::= REPLACE */ yytestcase(yyruleno==176); -{yygotominor.yy194 = OE_Replace;} +{yygotominor.yy328 = OE_Replace;} break; case 106: /* cmd ::= DROP TABLE ifexists fullname */ { - sqlite3DropTable(pParse, yymsp[0].minor.yy185, 0, yymsp[-1].minor.yy194); + sqlite3DropTable(pParse, yymsp[0].minor.yy65, 0, yymsp[-1].minor.yy328); } break; case 109: /* cmd ::= createkw temp VIEW ifnotexists nm dbnm AS select */ { - sqlite3CreateView(pParse, &yymsp[-7].minor.yy0, &yymsp[-3].minor.yy0, &yymsp[-2].minor.yy0, yymsp[0].minor.yy243, yymsp[-6].minor.yy194, yymsp[-4].minor.yy194); + sqlite3CreateView(pParse, &yymsp[-7].minor.yy0, &yymsp[-3].minor.yy0, &yymsp[-2].minor.yy0, yymsp[0].minor.yy3, yymsp[-6].minor.yy328, yymsp[-4].minor.yy328); } break; case 110: /* cmd ::= DROP VIEW ifexists fullname */ { - sqlite3DropTable(pParse, yymsp[0].minor.yy185, 1, yymsp[-1].minor.yy194); + sqlite3DropTable(pParse, yymsp[0].minor.yy65, 1, yymsp[-1].minor.yy328); } break; case 111: /* cmd ::= select */ { SelectDest dest = {SRT_Output, 0, 0, 0, 0}; - sqlite3Select(pParse, yymsp[0].minor.yy243, &dest); - sqlite3SelectDelete(pParse->db, yymsp[0].minor.yy243); + sqlite3Select(pParse, yymsp[0].minor.yy3, &dest); + sqlite3SelectDelete(pParse->db, yymsp[0].minor.yy3); } break; case 112: /* select ::= oneselect */ -{yygotominor.yy243 = yymsp[0].minor.yy243;} +{yygotominor.yy3 = yymsp[0].minor.yy3;} break; case 113: /* select ::= select multiselect_op oneselect */ { - if( yymsp[0].minor.yy243 ){ - yymsp[0].minor.yy243->op = (u8)yymsp[-1].minor.yy194; - yymsp[0].minor.yy243->pPrior = yymsp[-2].minor.yy243; + if( yymsp[0].minor.yy3 ){ + yymsp[0].minor.yy3->op = (u8)yymsp[-1].minor.yy328; + yymsp[0].minor.yy3->pPrior = yymsp[-2].minor.yy3; }else{ - sqlite3SelectDelete(pParse->db, yymsp[-2].minor.yy243); + sqlite3SelectDelete(pParse->db, yymsp[-2].minor.yy3); } - yygotominor.yy243 = yymsp[0].minor.yy243; + yygotominor.yy3 = yymsp[0].minor.yy3; } break; case 115: /* multiselect_op ::= UNION ALL */ -{yygotominor.yy194 = TK_ALL;} +{yygotominor.yy328 = TK_ALL;} break; case 117: /* oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt */ { - yygotominor.yy243 = sqlite3SelectNew(pParse,yymsp[-6].minor.yy148,yymsp[-5].minor.yy185,yymsp[-4].minor.yy72,yymsp[-3].minor.yy148,yymsp[-2].minor.yy72,yymsp[-1].minor.yy148,yymsp[-7].minor.yy194,yymsp[0].minor.yy354.pLimit,yymsp[0].minor.yy354.pOffset); + yygotominor.yy3 = sqlite3SelectNew(pParse,yymsp[-6].minor.yy14,yymsp[-5].minor.yy65,yymsp[-4].minor.yy132,yymsp[-3].minor.yy14,yymsp[-2].minor.yy132,yymsp[-1].minor.yy14,yymsp[-7].minor.yy328,yymsp[0].minor.yy476.pLimit,yymsp[0].minor.yy476.pOffset); } break; case 121: /* sclp ::= selcollist COMMA */ case 247: /* idxlist_opt ::= LP idxlist RP */ yytestcase(yyruleno==247); -{yygotominor.yy148 = yymsp[-1].minor.yy148;} +{yygotominor.yy14 = yymsp[-1].minor.yy14;} break; case 122: /* sclp ::= */ case 150: /* orderby_opt ::= */ yytestcase(yyruleno==150); case 158: /* groupby_opt ::= */ yytestcase(yyruleno==158); case 240: /* exprlist ::= */ yytestcase(yyruleno==240); case 246: /* idxlist_opt ::= */ yytestcase(yyruleno==246); -{yygotominor.yy148 = 0;} +{yygotominor.yy14 = 0;} break; case 123: /* selcollist ::= sclp expr as */ { - yygotominor.yy148 = sqlite3ExprListAppend(pParse, yymsp[-2].minor.yy148, yymsp[-1].minor.yy190.pExpr); - if( yymsp[0].minor.yy0.n>0 ) sqlite3ExprListSetName(pParse, yygotominor.yy148, &yymsp[0].minor.yy0, 1); - sqlite3ExprListSetSpan(pParse,yygotominor.yy148,&yymsp[-1].minor.yy190); + yygotominor.yy14 = sqlite3ExprListAppend(pParse, yymsp[-2].minor.yy14, yymsp[-1].minor.yy346.pExpr); + if( yymsp[0].minor.yy0.n>0 ) sqlite3ExprListSetName(pParse, yygotominor.yy14, &yymsp[0].minor.yy0, 1); + sqlite3ExprListSetSpan(pParse,yygotominor.yy14,&yymsp[-1].minor.yy346); } break; case 124: /* selcollist ::= sclp STAR */ { Expr *p = sqlite3Expr(pParse->db, TK_ALL, 0); - yygotominor.yy148 = sqlite3ExprListAppend(pParse, yymsp[-1].minor.yy148, p); + yygotominor.yy14 = sqlite3ExprListAppend(pParse, yymsp[-1].minor.yy14, p); } break; case 125: /* selcollist ::= sclp nm DOT STAR */ @@ -88507,52 +88782,50 @@ static void yy_reduce( Expr *pRight = sqlite3PExpr(pParse, TK_ALL, 0, 0, &yymsp[0].minor.yy0); Expr *pLeft = sqlite3PExpr(pParse, TK_ID, 0, 0, &yymsp[-2].minor.yy0); Expr *pDot = sqlite3PExpr(pParse, TK_DOT, pLeft, pRight, 0); - yygotominor.yy148 = sqlite3ExprListAppend(pParse,yymsp[-3].minor.yy148, pDot); + yygotominor.yy14 = sqlite3ExprListAppend(pParse,yymsp[-3].minor.yy14, pDot); } break; case 128: /* as ::= */ {yygotominor.yy0.n = 0;} break; case 129: /* from ::= */ -{yygotominor.yy185 = sqlite3DbMallocZero(pParse->db, sizeof(*yygotominor.yy185));} +{yygotominor.yy65 = sqlite3DbMallocZero(pParse->db, sizeof(*yygotominor.yy65));} break; case 130: /* from ::= FROM seltablist */ { - yygotominor.yy185 = yymsp[0].minor.yy185; - sqlite3SrcListShiftJoinType(yygotominor.yy185); + yygotominor.yy65 = yymsp[0].minor.yy65; + sqlite3SrcListShiftJoinType(yygotominor.yy65); } break; case 131: /* stl_prefix ::= seltablist joinop */ { - yygotominor.yy185 = yymsp[-1].minor.yy185; - if( ALWAYS(yygotominor.yy185 && yygotominor.yy185->nSrc>0) ) yygotominor.yy185->a[yygotominor.yy185->nSrc-1].jointype = (u8)yymsp[0].minor.yy194; + yygotominor.yy65 = yymsp[-1].minor.yy65; + if( ALWAYS(yygotominor.yy65 && yygotominor.yy65->nSrc>0) ) yygotominor.yy65->a[yygotominor.yy65->nSrc-1].jointype = (u8)yymsp[0].minor.yy328; } break; case 132: /* stl_prefix ::= */ -{yygotominor.yy185 = 0;} +{yygotominor.yy65 = 0;} break; case 133: /* seltablist ::= stl_prefix nm dbnm as indexed_opt on_opt using_opt */ { - yygotominor.yy185 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy185,&yymsp[-5].minor.yy0,&yymsp[-4].minor.yy0,&yymsp[-3].minor.yy0,0,yymsp[-1].minor.yy72,yymsp[0].minor.yy254); - sqlite3SrcListIndexedBy(pParse, yygotominor.yy185, &yymsp[-2].minor.yy0); + yygotominor.yy65 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy65,&yymsp[-5].minor.yy0,&yymsp[-4].minor.yy0,&yymsp[-3].minor.yy0,0,yymsp[-1].minor.yy132,yymsp[0].minor.yy408); + sqlite3SrcListIndexedBy(pParse, yygotominor.yy65, &yymsp[-2].minor.yy0); } break; case 134: /* seltablist ::= stl_prefix LP select RP as on_opt using_opt */ { - yygotominor.yy185 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy185,0,0,&yymsp[-2].minor.yy0,yymsp[-4].minor.yy243,yymsp[-1].minor.yy72,yymsp[0].minor.yy254); + yygotominor.yy65 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy65,0,0,&yymsp[-2].minor.yy0,yymsp[-4].minor.yy3,yymsp[-1].minor.yy132,yymsp[0].minor.yy408); } break; case 135: /* seltablist ::= stl_prefix LP seltablist RP as on_opt using_opt */ { - if( yymsp[-6].minor.yy185==0 ){ - sqlite3ExprDelete(pParse->db, yymsp[-1].minor.yy72); - sqlite3IdListDelete(pParse->db, yymsp[0].minor.yy254); - yygotominor.yy185 = yymsp[-4].minor.yy185; + if( yymsp[-6].minor.yy65==0 && yymsp[-2].minor.yy0.n==0 && yymsp[-1].minor.yy132==0 && yymsp[0].minor.yy408==0 ){ + yygotominor.yy65 = yymsp[-4].minor.yy65; }else{ Select *pSubquery; - sqlite3SrcListShiftJoinType(yymsp[-4].minor.yy185); - pSubquery = sqlite3SelectNew(pParse,0,yymsp[-4].minor.yy185,0,0,0,0,0,0,0); - yygotominor.yy185 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy185,0,0,&yymsp[-2].minor.yy0,pSubquery,yymsp[-1].minor.yy72,yymsp[0].minor.yy254); + sqlite3SrcListShiftJoinType(yymsp[-4].minor.yy65); + pSubquery = sqlite3SelectNew(pParse,0,yymsp[-4].minor.yy65,0,0,0,0,0,0,0); + yygotominor.yy65 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy65,0,0,&yymsp[-2].minor.yy0,pSubquery,yymsp[-1].minor.yy132,yymsp[0].minor.yy408); } } break; @@ -88561,19 +88834,19 @@ static void yy_reduce( {yygotominor.yy0.z=0; yygotominor.yy0.n=0;} break; case 138: /* fullname ::= nm dbnm */ -{yygotominor.yy185 = sqlite3SrcListAppend(pParse->db,0,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0);} +{yygotominor.yy65 = sqlite3SrcListAppend(pParse->db,0,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0);} break; case 139: /* joinop ::= COMMA|JOIN */ -{ yygotominor.yy194 = JT_INNER; } +{ yygotominor.yy328 = JT_INNER; } break; case 140: /* joinop ::= JOIN_KW JOIN */ -{ yygotominor.yy194 = sqlite3JoinType(pParse,&yymsp[-1].minor.yy0,0,0); } +{ yygotominor.yy328 = sqlite3JoinType(pParse,&yymsp[-1].minor.yy0,0,0); } break; case 141: /* joinop ::= JOIN_KW nm JOIN */ -{ yygotominor.yy194 = sqlite3JoinType(pParse,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0,0); } +{ yygotominor.yy328 = sqlite3JoinType(pParse,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0,0); } break; case 142: /* joinop ::= JOIN_KW nm nm JOIN */ -{ yygotominor.yy194 = sqlite3JoinType(pParse,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0); } +{ yygotominor.yy328 = sqlite3JoinType(pParse,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0); } break; case 143: /* on_opt ::= ON expr */ case 154: /* sortitem ::= expr */ yytestcase(yyruleno==154); @@ -88581,132 +88854,138 @@ static void yy_reduce( case 168: /* where_opt ::= WHERE expr */ yytestcase(yyruleno==168); case 235: /* case_else ::= ELSE expr */ yytestcase(yyruleno==235); case 237: /* case_operand ::= expr */ yytestcase(yyruleno==237); -{yygotominor.yy72 = yymsp[0].minor.yy190.pExpr;} +{yygotominor.yy132 = yymsp[0].minor.yy346.pExpr;} break; case 144: /* on_opt ::= */ case 160: /* having_opt ::= */ yytestcase(yyruleno==160); case 167: /* where_opt ::= */ yytestcase(yyruleno==167); case 236: /* case_else ::= */ yytestcase(yyruleno==236); case 238: /* case_operand ::= */ yytestcase(yyruleno==238); -{yygotominor.yy72 = 0;} +{yygotominor.yy132 = 0;} break; case 147: /* indexed_opt ::= NOT INDEXED */ {yygotominor.yy0.z=0; yygotominor.yy0.n=1;} break; case 148: /* using_opt ::= USING LP inscollist RP */ case 180: /* inscollist_opt ::= LP inscollist RP */ yytestcase(yyruleno==180); -{yygotominor.yy254 = yymsp[-1].minor.yy254;} +{yygotominor.yy408 = yymsp[-1].minor.yy408;} break; case 149: /* using_opt ::= */ case 179: /* inscollist_opt ::= */ yytestcase(yyruleno==179); -{yygotominor.yy254 = 0;} +{yygotominor.yy408 = 0;} break; case 151: /* orderby_opt ::= ORDER BY sortlist */ case 159: /* groupby_opt ::= GROUP BY nexprlist */ yytestcase(yyruleno==159); case 239: /* exprlist ::= nexprlist */ yytestcase(yyruleno==239); -{yygotominor.yy148 = yymsp[0].minor.yy148;} +{yygotominor.yy14 = yymsp[0].minor.yy14;} break; case 152: /* sortlist ::= sortlist COMMA sortitem sortorder */ { - yygotominor.yy148 = sqlite3ExprListAppend(pParse,yymsp[-3].minor.yy148,yymsp[-1].minor.yy72); - if( yygotominor.yy148 ) yygotominor.yy148->a[yygotominor.yy148->nExpr-1].sortOrder = (u8)yymsp[0].minor.yy194; + yygotominor.yy14 = sqlite3ExprListAppend(pParse,yymsp[-3].minor.yy14,yymsp[-1].minor.yy132); + if( yygotominor.yy14 ) yygotominor.yy14->a[yygotominor.yy14->nExpr-1].sortOrder = (u8)yymsp[0].minor.yy328; } break; case 153: /* sortlist ::= sortitem sortorder */ { - yygotominor.yy148 = sqlite3ExprListAppend(pParse,0,yymsp[-1].minor.yy72); - if( yygotominor.yy148 && ALWAYS(yygotominor.yy148->a) ) yygotominor.yy148->a[0].sortOrder = (u8)yymsp[0].minor.yy194; + yygotominor.yy14 = sqlite3ExprListAppend(pParse,0,yymsp[-1].minor.yy132); + if( yygotominor.yy14 && ALWAYS(yygotominor.yy14->a) ) yygotominor.yy14->a[0].sortOrder = (u8)yymsp[0].minor.yy328; } break; case 155: /* sortorder ::= ASC */ case 157: /* sortorder ::= */ yytestcase(yyruleno==157); -{yygotominor.yy194 = SQLITE_SO_ASC;} +{yygotominor.yy328 = SQLITE_SO_ASC;} break; case 156: /* sortorder ::= DESC */ -{yygotominor.yy194 = SQLITE_SO_DESC;} +{yygotominor.yy328 = SQLITE_SO_DESC;} break; case 162: /* limit_opt ::= */ -{yygotominor.yy354.pLimit = 0; yygotominor.yy354.pOffset = 0;} +{yygotominor.yy476.pLimit = 0; yygotominor.yy476.pOffset = 0;} break; case 163: /* limit_opt ::= LIMIT expr */ -{yygotominor.yy354.pLimit = yymsp[0].minor.yy190.pExpr; yygotominor.yy354.pOffset = 0;} +{yygotominor.yy476.pLimit = yymsp[0].minor.yy346.pExpr; yygotominor.yy476.pOffset = 0;} break; case 164: /* limit_opt ::= LIMIT expr OFFSET expr */ -{yygotominor.yy354.pLimit = yymsp[-2].minor.yy190.pExpr; yygotominor.yy354.pOffset = yymsp[0].minor.yy190.pExpr;} +{yygotominor.yy476.pLimit = yymsp[-2].minor.yy346.pExpr; yygotominor.yy476.pOffset = yymsp[0].minor.yy346.pExpr;} break; case 165: /* limit_opt ::= LIMIT expr COMMA expr */ -{yygotominor.yy354.pOffset = yymsp[-2].minor.yy190.pExpr; yygotominor.yy354.pLimit = yymsp[0].minor.yy190.pExpr;} +{yygotominor.yy476.pOffset = yymsp[-2].minor.yy346.pExpr; yygotominor.yy476.pLimit = yymsp[0].minor.yy346.pExpr;} break; case 166: /* cmd ::= DELETE FROM fullname indexed_opt where_opt */ { - sqlite3SrcListIndexedBy(pParse, yymsp[-2].minor.yy185, &yymsp[-1].minor.yy0); - sqlite3DeleteFrom(pParse,yymsp[-2].minor.yy185,yymsp[0].minor.yy72); + sqlite3SrcListIndexedBy(pParse, yymsp[-2].minor.yy65, &yymsp[-1].minor.yy0); + sqlite3DeleteFrom(pParse,yymsp[-2].minor.yy65,yymsp[0].minor.yy132); } break; case 169: /* cmd ::= UPDATE orconf fullname indexed_opt SET setlist where_opt */ { - sqlite3SrcListIndexedBy(pParse, yymsp[-4].minor.yy185, &yymsp[-3].minor.yy0); - sqlite3ExprListCheckLength(pParse,yymsp[-1].minor.yy148,"set list"); - sqlite3Update(pParse,yymsp[-4].minor.yy185,yymsp[-1].minor.yy148,yymsp[0].minor.yy72,yymsp[-5].minor.yy194); + sqlite3SrcListIndexedBy(pParse, yymsp[-4].minor.yy65, &yymsp[-3].minor.yy0); + sqlite3ExprListCheckLength(pParse,yymsp[-1].minor.yy14,"set list"); + sqlite3Update(pParse,yymsp[-4].minor.yy65,yymsp[-1].minor.yy14,yymsp[0].minor.yy132,yymsp[-5].minor.yy186); } break; case 170: /* setlist ::= setlist COMMA nm EQ expr */ { - yygotominor.yy148 = sqlite3ExprListAppend(pParse, yymsp[-4].minor.yy148, yymsp[0].minor.yy190.pExpr); - sqlite3ExprListSetName(pParse, yygotominor.yy148, &yymsp[-2].minor.yy0, 1); + yygotominor.yy14 = sqlite3ExprListAppend(pParse, yymsp[-4].minor.yy14, yymsp[0].minor.yy346.pExpr); + sqlite3ExprListSetName(pParse, yygotominor.yy14, &yymsp[-2].minor.yy0, 1); } break; case 171: /* setlist ::= nm EQ expr */ { - yygotominor.yy148 = sqlite3ExprListAppend(pParse, 0, yymsp[0].minor.yy190.pExpr); - sqlite3ExprListSetName(pParse, yygotominor.yy148, &yymsp[-2].minor.yy0, 1); + yygotominor.yy14 = sqlite3ExprListAppend(pParse, 0, yymsp[0].minor.yy346.pExpr); + sqlite3ExprListSetName(pParse, yygotominor.yy14, &yymsp[-2].minor.yy0, 1); } break; case 172: /* cmd ::= insert_cmd INTO fullname inscollist_opt VALUES LP itemlist RP */ -{sqlite3Insert(pParse, yymsp[-5].minor.yy185, yymsp[-1].minor.yy148, 0, yymsp[-4].minor.yy254, yymsp[-7].minor.yy194);} +{sqlite3Insert(pParse, yymsp[-5].minor.yy65, yymsp[-1].minor.yy14, 0, yymsp[-4].minor.yy408, yymsp[-7].minor.yy186);} break; case 173: /* cmd ::= insert_cmd INTO fullname inscollist_opt select */ -{sqlite3Insert(pParse, yymsp[-2].minor.yy185, 0, yymsp[0].minor.yy243, yymsp[-1].minor.yy254, yymsp[-4].minor.yy194);} +{sqlite3Insert(pParse, yymsp[-2].minor.yy65, 0, yymsp[0].minor.yy3, yymsp[-1].minor.yy408, yymsp[-4].minor.yy186);} break; case 174: /* cmd ::= insert_cmd INTO fullname inscollist_opt DEFAULT VALUES */ -{sqlite3Insert(pParse, yymsp[-3].minor.yy185, 0, 0, yymsp[-2].minor.yy254, yymsp[-5].minor.yy194);} +{sqlite3Insert(pParse, yymsp[-3].minor.yy65, 0, 0, yymsp[-2].minor.yy408, yymsp[-5].minor.yy186);} + break; + case 175: /* insert_cmd ::= INSERT orconf */ +{yygotominor.yy186 = yymsp[0].minor.yy186;} + break; + case 176: /* insert_cmd ::= REPLACE */ +{yygotominor.yy186 = OE_Replace;} break; case 177: /* itemlist ::= itemlist COMMA expr */ case 241: /* nexprlist ::= nexprlist COMMA expr */ yytestcase(yyruleno==241); -{yygotominor.yy148 = sqlite3ExprListAppend(pParse,yymsp[-2].minor.yy148,yymsp[0].minor.yy190.pExpr);} +{yygotominor.yy14 = sqlite3ExprListAppend(pParse,yymsp[-2].minor.yy14,yymsp[0].minor.yy346.pExpr);} break; case 178: /* itemlist ::= expr */ case 242: /* nexprlist ::= expr */ yytestcase(yyruleno==242); -{yygotominor.yy148 = sqlite3ExprListAppend(pParse,0,yymsp[0].minor.yy190.pExpr);} +{yygotominor.yy14 = sqlite3ExprListAppend(pParse,0,yymsp[0].minor.yy346.pExpr);} break; case 181: /* inscollist ::= inscollist COMMA nm */ -{yygotominor.yy254 = sqlite3IdListAppend(pParse->db,yymsp[-2].minor.yy254,&yymsp[0].minor.yy0);} +{yygotominor.yy408 = sqlite3IdListAppend(pParse->db,yymsp[-2].minor.yy408,&yymsp[0].minor.yy0);} break; case 182: /* inscollist ::= nm */ -{yygotominor.yy254 = sqlite3IdListAppend(pParse->db,0,&yymsp[0].minor.yy0);} +{yygotominor.yy408 = sqlite3IdListAppend(pParse->db,0,&yymsp[0].minor.yy0);} break; case 183: /* expr ::= term */ case 211: /* escape ::= ESCAPE expr */ yytestcase(yyruleno==211); -{yygotominor.yy190 = yymsp[0].minor.yy190;} +{yygotominor.yy346 = yymsp[0].minor.yy346;} break; case 184: /* expr ::= LP expr RP */ -{yygotominor.yy190.pExpr = yymsp[-1].minor.yy190.pExpr; spanSet(&yygotominor.yy190,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0);} +{yygotominor.yy346.pExpr = yymsp[-1].minor.yy346.pExpr; spanSet(&yygotominor.yy346,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0);} break; case 185: /* term ::= NULL */ case 190: /* term ::= INTEGER|FLOAT|BLOB */ yytestcase(yyruleno==190); case 191: /* term ::= STRING */ yytestcase(yyruleno==191); -{spanExpr(&yygotominor.yy190, pParse, yymsp[0].major, &yymsp[0].minor.yy0);} +{spanExpr(&yygotominor.yy346, pParse, yymsp[0].major, &yymsp[0].minor.yy0);} break; case 186: /* expr ::= id */ case 187: /* expr ::= JOIN_KW */ yytestcase(yyruleno==187); -{spanExpr(&yygotominor.yy190, pParse, TK_ID, &yymsp[0].minor.yy0);} +{spanExpr(&yygotominor.yy346, pParse, TK_ID, &yymsp[0].minor.yy0);} break; case 188: /* expr ::= nm DOT nm */ { Expr *temp1 = sqlite3PExpr(pParse, TK_ID, 0, 0, &yymsp[-2].minor.yy0); Expr *temp2 = sqlite3PExpr(pParse, TK_ID, 0, 0, &yymsp[0].minor.yy0); - yygotominor.yy190.pExpr = sqlite3PExpr(pParse, TK_DOT, temp1, temp2, 0); - spanSet(&yygotominor.yy190,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0); + yygotominor.yy346.pExpr = sqlite3PExpr(pParse, TK_DOT, temp1, temp2, 0); + spanSet(&yygotominor.yy346,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0); } break; case 189: /* expr ::= nm DOT nm DOT nm */ @@ -88715,8 +88994,8 @@ static void yy_reduce( Expr *temp2 = sqlite3PExpr(pParse, TK_ID, 0, 0, &yymsp[-2].minor.yy0); Expr *temp3 = sqlite3PExpr(pParse, TK_ID, 0, 0, &yymsp[0].minor.yy0); Expr *temp4 = sqlite3PExpr(pParse, TK_DOT, temp2, temp3, 0); - yygotominor.yy190.pExpr = sqlite3PExpr(pParse, TK_DOT, temp1, temp4, 0); - spanSet(&yygotominor.yy190,&yymsp[-4].minor.yy0,&yymsp[0].minor.yy0); + yygotominor.yy346.pExpr = sqlite3PExpr(pParse, TK_DOT, temp1, temp4, 0); + spanSet(&yygotominor.yy346,&yymsp[-4].minor.yy0,&yymsp[0].minor.yy0); } break; case 192: /* expr ::= REGISTER */ @@ -88726,61 +89005,61 @@ static void yy_reduce( ** in the virtual machine. #N is the N-th register. */ if( pParse->nested==0 ){ sqlite3ErrorMsg(pParse, "near \"%T\": syntax error", &yymsp[0].minor.yy0); - yygotominor.yy190.pExpr = 0; + yygotominor.yy346.pExpr = 0; }else{ - yygotominor.yy190.pExpr = sqlite3PExpr(pParse, TK_REGISTER, 0, 0, &yymsp[0].minor.yy0); - if( yygotominor.yy190.pExpr ) sqlite3GetInt32(&yymsp[0].minor.yy0.z[1], &yygotominor.yy190.pExpr->iTable); + yygotominor.yy346.pExpr = sqlite3PExpr(pParse, TK_REGISTER, 0, 0, &yymsp[0].minor.yy0); + if( yygotominor.yy346.pExpr ) sqlite3GetInt32(&yymsp[0].minor.yy0.z[1], &yygotominor.yy346.pExpr->iTable); } - spanSet(&yygotominor.yy190, &yymsp[0].minor.yy0, &yymsp[0].minor.yy0); + spanSet(&yygotominor.yy346, &yymsp[0].minor.yy0, &yymsp[0].minor.yy0); } break; case 193: /* expr ::= VARIABLE */ { - spanExpr(&yygotominor.yy190, pParse, TK_VARIABLE, &yymsp[0].minor.yy0); - sqlite3ExprAssignVarNumber(pParse, yygotominor.yy190.pExpr); - spanSet(&yygotominor.yy190, &yymsp[0].minor.yy0, &yymsp[0].minor.yy0); + spanExpr(&yygotominor.yy346, pParse, TK_VARIABLE, &yymsp[0].minor.yy0); + sqlite3ExprAssignVarNumber(pParse, yygotominor.yy346.pExpr); + spanSet(&yygotominor.yy346, &yymsp[0].minor.yy0, &yymsp[0].minor.yy0); } break; case 194: /* expr ::= expr COLLATE ids */ { - yygotominor.yy190.pExpr = sqlite3ExprSetColl(pParse, yymsp[-2].minor.yy190.pExpr, &yymsp[0].minor.yy0); - yygotominor.yy190.zStart = yymsp[-2].minor.yy190.zStart; - yygotominor.yy190.zEnd = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n]; + yygotominor.yy346.pExpr = sqlite3ExprSetColl(pParse, yymsp[-2].minor.yy346.pExpr, &yymsp[0].minor.yy0); + yygotominor.yy346.zStart = yymsp[-2].minor.yy346.zStart; + yygotominor.yy346.zEnd = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n]; } break; case 195: /* expr ::= CAST LP expr AS typetoken RP */ { - yygotominor.yy190.pExpr = sqlite3PExpr(pParse, TK_CAST, yymsp[-3].minor.yy190.pExpr, 0, &yymsp[-1].minor.yy0); - spanSet(&yygotominor.yy190,&yymsp[-5].minor.yy0,&yymsp[0].minor.yy0); + yygotominor.yy346.pExpr = sqlite3PExpr(pParse, TK_CAST, yymsp[-3].minor.yy346.pExpr, 0, &yymsp[-1].minor.yy0); + spanSet(&yygotominor.yy346,&yymsp[-5].minor.yy0,&yymsp[0].minor.yy0); } break; case 196: /* expr ::= ID LP distinct exprlist RP */ { - if( yymsp[-1].minor.yy148 && yymsp[-1].minor.yy148->nExpr>pParse->db->aLimit[SQLITE_LIMIT_FUNCTION_ARG] ){ + if( yymsp[-1].minor.yy14 && yymsp[-1].minor.yy14->nExpr>pParse->db->aLimit[SQLITE_LIMIT_FUNCTION_ARG] ){ sqlite3ErrorMsg(pParse, "too many arguments on function %T", &yymsp[-4].minor.yy0); } - yygotominor.yy190.pExpr = sqlite3ExprFunction(pParse, yymsp[-1].minor.yy148, &yymsp[-4].minor.yy0); - spanSet(&yygotominor.yy190,&yymsp[-4].minor.yy0,&yymsp[0].minor.yy0); - if( yymsp[-2].minor.yy194 && yygotominor.yy190.pExpr ){ - yygotominor.yy190.pExpr->flags |= EP_Distinct; + yygotominor.yy346.pExpr = sqlite3ExprFunction(pParse, yymsp[-1].minor.yy14, &yymsp[-4].minor.yy0); + spanSet(&yygotominor.yy346,&yymsp[-4].minor.yy0,&yymsp[0].minor.yy0); + if( yymsp[-2].minor.yy328 && yygotominor.yy346.pExpr ){ + yygotominor.yy346.pExpr->flags |= EP_Distinct; } } break; case 197: /* expr ::= ID LP STAR RP */ { - yygotominor.yy190.pExpr = sqlite3ExprFunction(pParse, 0, &yymsp[-3].minor.yy0); - spanSet(&yygotominor.yy190,&yymsp[-3].minor.yy0,&yymsp[0].minor.yy0); + yygotominor.yy346.pExpr = sqlite3ExprFunction(pParse, 0, &yymsp[-3].minor.yy0); + spanSet(&yygotominor.yy346,&yymsp[-3].minor.yy0,&yymsp[0].minor.yy0); } break; case 198: /* term ::= CTIME_KW */ { /* The CURRENT_TIME, CURRENT_DATE, and CURRENT_TIMESTAMP values are ** treated as functions that return constants */ - yygotominor.yy190.pExpr = sqlite3ExprFunction(pParse, 0,&yymsp[0].minor.yy0); - if( yygotominor.yy190.pExpr ){ - yygotominor.yy190.pExpr->op = TK_CONST_FUNC; + yygotominor.yy346.pExpr = sqlite3ExprFunction(pParse, 0,&yymsp[0].minor.yy0); + if( yygotominor.yy346.pExpr ){ + yygotominor.yy346.pExpr->op = TK_CONST_FUNC; } - spanSet(&yygotominor.yy190, &yymsp[0].minor.yy0, &yymsp[0].minor.yy0); + spanSet(&yygotominor.yy346, &yymsp[0].minor.yy0, &yymsp[0].minor.yy0); } break; case 199: /* expr ::= expr AND expr */ @@ -88791,182 +89070,182 @@ static void yy_reduce( case 204: /* expr ::= expr PLUS|MINUS expr */ yytestcase(yyruleno==204); case 205: /* expr ::= expr STAR|SLASH|REM expr */ yytestcase(yyruleno==205); case 206: /* expr ::= expr CONCAT expr */ yytestcase(yyruleno==206); -{spanBinaryExpr(&yygotominor.yy190,pParse,yymsp[-1].major,&yymsp[-2].minor.yy190,&yymsp[0].minor.yy190);} +{spanBinaryExpr(&yygotominor.yy346,pParse,yymsp[-1].major,&yymsp[-2].minor.yy346,&yymsp[0].minor.yy346);} break; case 207: /* likeop ::= LIKE_KW */ case 209: /* likeop ::= MATCH */ yytestcase(yyruleno==209); -{yygotominor.yy392.eOperator = yymsp[0].minor.yy0; yygotominor.yy392.not = 0;} +{yygotominor.yy96.eOperator = yymsp[0].minor.yy0; yygotominor.yy96.not = 0;} break; case 208: /* likeop ::= NOT LIKE_KW */ case 210: /* likeop ::= NOT MATCH */ yytestcase(yyruleno==210); -{yygotominor.yy392.eOperator = yymsp[0].minor.yy0; yygotominor.yy392.not = 1;} +{yygotominor.yy96.eOperator = yymsp[0].minor.yy0; yygotominor.yy96.not = 1;} break; case 212: /* escape ::= */ -{memset(&yygotominor.yy190,0,sizeof(yygotominor.yy190));} +{memset(&yygotominor.yy346,0,sizeof(yygotominor.yy346));} break; case 213: /* expr ::= expr likeop expr escape */ { ExprList *pList; - pList = sqlite3ExprListAppend(pParse,0, yymsp[-1].minor.yy190.pExpr); - pList = sqlite3ExprListAppend(pParse,pList, yymsp[-3].minor.yy190.pExpr); - if( yymsp[0].minor.yy190.pExpr ){ - pList = sqlite3ExprListAppend(pParse,pList, yymsp[0].minor.yy190.pExpr); + pList = sqlite3ExprListAppend(pParse,0, yymsp[-1].minor.yy346.pExpr); + pList = sqlite3ExprListAppend(pParse,pList, yymsp[-3].minor.yy346.pExpr); + if( yymsp[0].minor.yy346.pExpr ){ + pList = sqlite3ExprListAppend(pParse,pList, yymsp[0].minor.yy346.pExpr); } - yygotominor.yy190.pExpr = sqlite3ExprFunction(pParse, pList, &yymsp[-2].minor.yy392.eOperator); - if( yymsp[-2].minor.yy392.not ) yygotominor.yy190.pExpr = sqlite3PExpr(pParse, TK_NOT, yygotominor.yy190.pExpr, 0, 0); - yygotominor.yy190.zStart = yymsp[-3].minor.yy190.zStart; - yygotominor.yy190.zEnd = yymsp[-1].minor.yy190.zEnd; - if( yygotominor.yy190.pExpr ) yygotominor.yy190.pExpr->flags |= EP_InfixFunc; + yygotominor.yy346.pExpr = sqlite3ExprFunction(pParse, pList, &yymsp[-2].minor.yy96.eOperator); + if( yymsp[-2].minor.yy96.not ) yygotominor.yy346.pExpr = sqlite3PExpr(pParse, TK_NOT, yygotominor.yy346.pExpr, 0, 0); + yygotominor.yy346.zStart = yymsp[-3].minor.yy346.zStart; + yygotominor.yy346.zEnd = yymsp[-1].minor.yy346.zEnd; + if( yygotominor.yy346.pExpr ) yygotominor.yy346.pExpr->flags |= EP_InfixFunc; } break; case 214: /* expr ::= expr ISNULL|NOTNULL */ -{spanUnaryPostfix(&yygotominor.yy190,pParse,yymsp[0].major,&yymsp[-1].minor.yy190,&yymsp[0].minor.yy0);} +{spanUnaryPostfix(&yygotominor.yy346,pParse,yymsp[0].major,&yymsp[-1].minor.yy346,&yymsp[0].minor.yy0);} break; case 215: /* expr ::= expr IS NULL */ -{spanUnaryPostfix(&yygotominor.yy190,pParse,TK_ISNULL,&yymsp[-2].minor.yy190,&yymsp[0].minor.yy0);} +{spanUnaryPostfix(&yygotominor.yy346,pParse,TK_ISNULL,&yymsp[-2].minor.yy346,&yymsp[0].minor.yy0);} break; case 216: /* expr ::= expr NOT NULL */ -{spanUnaryPostfix(&yygotominor.yy190,pParse,TK_NOTNULL,&yymsp[-2].minor.yy190,&yymsp[0].minor.yy0);} +{spanUnaryPostfix(&yygotominor.yy346,pParse,TK_NOTNULL,&yymsp[-2].minor.yy346,&yymsp[0].minor.yy0);} break; case 217: /* expr ::= expr IS NOT NULL */ -{spanUnaryPostfix(&yygotominor.yy190,pParse,TK_NOTNULL,&yymsp[-3].minor.yy190,&yymsp[0].minor.yy0);} +{spanUnaryPostfix(&yygotominor.yy346,pParse,TK_NOTNULL,&yymsp[-3].minor.yy346,&yymsp[0].minor.yy0);} break; case 218: /* expr ::= NOT expr */ case 219: /* expr ::= BITNOT expr */ yytestcase(yyruleno==219); -{spanUnaryPrefix(&yygotominor.yy190,pParse,yymsp[-1].major,&yymsp[0].minor.yy190,&yymsp[-1].minor.yy0);} +{spanUnaryPrefix(&yygotominor.yy346,pParse,yymsp[-1].major,&yymsp[0].minor.yy346,&yymsp[-1].minor.yy0);} break; case 220: /* expr ::= MINUS expr */ -{spanUnaryPrefix(&yygotominor.yy190,pParse,TK_UMINUS,&yymsp[0].minor.yy190,&yymsp[-1].minor.yy0);} +{spanUnaryPrefix(&yygotominor.yy346,pParse,TK_UMINUS,&yymsp[0].minor.yy346,&yymsp[-1].minor.yy0);} break; case 221: /* expr ::= PLUS expr */ -{spanUnaryPrefix(&yygotominor.yy190,pParse,TK_UPLUS,&yymsp[0].minor.yy190,&yymsp[-1].minor.yy0);} +{spanUnaryPrefix(&yygotominor.yy346,pParse,TK_UPLUS,&yymsp[0].minor.yy346,&yymsp[-1].minor.yy0);} break; case 224: /* expr ::= expr between_op expr AND expr */ { - ExprList *pList = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy190.pExpr); - pList = sqlite3ExprListAppend(pParse,pList, yymsp[0].minor.yy190.pExpr); - yygotominor.yy190.pExpr = sqlite3PExpr(pParse, TK_BETWEEN, yymsp[-4].minor.yy190.pExpr, 0, 0); - if( yygotominor.yy190.pExpr ){ - yygotominor.yy190.pExpr->x.pList = pList; + ExprList *pList = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy346.pExpr); + pList = sqlite3ExprListAppend(pParse,pList, yymsp[0].minor.yy346.pExpr); + yygotominor.yy346.pExpr = sqlite3PExpr(pParse, TK_BETWEEN, yymsp[-4].minor.yy346.pExpr, 0, 0); + if( yygotominor.yy346.pExpr ){ + yygotominor.yy346.pExpr->x.pList = pList; }else{ sqlite3ExprListDelete(pParse->db, pList); } - if( yymsp[-3].minor.yy194 ) yygotominor.yy190.pExpr = sqlite3PExpr(pParse, TK_NOT, yygotominor.yy190.pExpr, 0, 0); - yygotominor.yy190.zStart = yymsp[-4].minor.yy190.zStart; - yygotominor.yy190.zEnd = yymsp[0].minor.yy190.zEnd; + if( yymsp[-3].minor.yy328 ) yygotominor.yy346.pExpr = sqlite3PExpr(pParse, TK_NOT, yygotominor.yy346.pExpr, 0, 0); + yygotominor.yy346.zStart = yymsp[-4].minor.yy346.zStart; + yygotominor.yy346.zEnd = yymsp[0].minor.yy346.zEnd; } break; case 227: /* expr ::= expr in_op LP exprlist RP */ { - yygotominor.yy190.pExpr = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy190.pExpr, 0, 0); - if( yygotominor.yy190.pExpr ){ - yygotominor.yy190.pExpr->x.pList = yymsp[-1].minor.yy148; - sqlite3ExprSetHeight(pParse, yygotominor.yy190.pExpr); + yygotominor.yy346.pExpr = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy346.pExpr, 0, 0); + if( yygotominor.yy346.pExpr ){ + yygotominor.yy346.pExpr->x.pList = yymsp[-1].minor.yy14; + sqlite3ExprSetHeight(pParse, yygotominor.yy346.pExpr); }else{ - sqlite3ExprListDelete(pParse->db, yymsp[-1].minor.yy148); + sqlite3ExprListDelete(pParse->db, yymsp[-1].minor.yy14); } - if( yymsp[-3].minor.yy194 ) yygotominor.yy190.pExpr = sqlite3PExpr(pParse, TK_NOT, yygotominor.yy190.pExpr, 0, 0); - yygotominor.yy190.zStart = yymsp[-4].minor.yy190.zStart; - yygotominor.yy190.zEnd = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n]; + if( yymsp[-3].minor.yy328 ) yygotominor.yy346.pExpr = sqlite3PExpr(pParse, TK_NOT, yygotominor.yy346.pExpr, 0, 0); + yygotominor.yy346.zStart = yymsp[-4].minor.yy346.zStart; + yygotominor.yy346.zEnd = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n]; } break; case 228: /* expr ::= LP select RP */ { - yygotominor.yy190.pExpr = sqlite3PExpr(pParse, TK_SELECT, 0, 0, 0); - if( yygotominor.yy190.pExpr ){ - yygotominor.yy190.pExpr->x.pSelect = yymsp[-1].minor.yy243; - ExprSetProperty(yygotominor.yy190.pExpr, EP_xIsSelect); - sqlite3ExprSetHeight(pParse, yygotominor.yy190.pExpr); + yygotominor.yy346.pExpr = sqlite3PExpr(pParse, TK_SELECT, 0, 0, 0); + if( yygotominor.yy346.pExpr ){ + yygotominor.yy346.pExpr->x.pSelect = yymsp[-1].minor.yy3; + ExprSetProperty(yygotominor.yy346.pExpr, EP_xIsSelect); + sqlite3ExprSetHeight(pParse, yygotominor.yy346.pExpr); }else{ - sqlite3SelectDelete(pParse->db, yymsp[-1].minor.yy243); + sqlite3SelectDelete(pParse->db, yymsp[-1].minor.yy3); } - yygotominor.yy190.zStart = yymsp[-2].minor.yy0.z; - yygotominor.yy190.zEnd = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n]; + yygotominor.yy346.zStart = yymsp[-2].minor.yy0.z; + yygotominor.yy346.zEnd = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n]; } break; case 229: /* expr ::= expr in_op LP select RP */ { - yygotominor.yy190.pExpr = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy190.pExpr, 0, 0); - if( yygotominor.yy190.pExpr ){ - yygotominor.yy190.pExpr->x.pSelect = yymsp[-1].minor.yy243; - ExprSetProperty(yygotominor.yy190.pExpr, EP_xIsSelect); - sqlite3ExprSetHeight(pParse, yygotominor.yy190.pExpr); + yygotominor.yy346.pExpr = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy346.pExpr, 0, 0); + if( yygotominor.yy346.pExpr ){ + yygotominor.yy346.pExpr->x.pSelect = yymsp[-1].minor.yy3; + ExprSetProperty(yygotominor.yy346.pExpr, EP_xIsSelect); + sqlite3ExprSetHeight(pParse, yygotominor.yy346.pExpr); }else{ - sqlite3SelectDelete(pParse->db, yymsp[-1].minor.yy243); + sqlite3SelectDelete(pParse->db, yymsp[-1].minor.yy3); } - if( yymsp[-3].minor.yy194 ) yygotominor.yy190.pExpr = sqlite3PExpr(pParse, TK_NOT, yygotominor.yy190.pExpr, 0, 0); - yygotominor.yy190.zStart = yymsp[-4].minor.yy190.zStart; - yygotominor.yy190.zEnd = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n]; + if( yymsp[-3].minor.yy328 ) yygotominor.yy346.pExpr = sqlite3PExpr(pParse, TK_NOT, yygotominor.yy346.pExpr, 0, 0); + yygotominor.yy346.zStart = yymsp[-4].minor.yy346.zStart; + yygotominor.yy346.zEnd = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n]; } break; case 230: /* expr ::= expr in_op nm dbnm */ { SrcList *pSrc = sqlite3SrcListAppend(pParse->db, 0,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0); - yygotominor.yy190.pExpr = sqlite3PExpr(pParse, TK_IN, yymsp[-3].minor.yy190.pExpr, 0, 0); - if( yygotominor.yy190.pExpr ){ - yygotominor.yy190.pExpr->x.pSelect = sqlite3SelectNew(pParse, 0,pSrc,0,0,0,0,0,0,0); - ExprSetProperty(yygotominor.yy190.pExpr, EP_xIsSelect); - sqlite3ExprSetHeight(pParse, yygotominor.yy190.pExpr); + yygotominor.yy346.pExpr = sqlite3PExpr(pParse, TK_IN, yymsp[-3].minor.yy346.pExpr, 0, 0); + if( yygotominor.yy346.pExpr ){ + yygotominor.yy346.pExpr->x.pSelect = sqlite3SelectNew(pParse, 0,pSrc,0,0,0,0,0,0,0); + ExprSetProperty(yygotominor.yy346.pExpr, EP_xIsSelect); + sqlite3ExprSetHeight(pParse, yygotominor.yy346.pExpr); }else{ sqlite3SrcListDelete(pParse->db, pSrc); } - if( yymsp[-2].minor.yy194 ) yygotominor.yy190.pExpr = sqlite3PExpr(pParse, TK_NOT, yygotominor.yy190.pExpr, 0, 0); - yygotominor.yy190.zStart = yymsp[-3].minor.yy190.zStart; - yygotominor.yy190.zEnd = yymsp[0].minor.yy0.z ? &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n] : &yymsp[-1].minor.yy0.z[yymsp[-1].minor.yy0.n]; + if( yymsp[-2].minor.yy328 ) yygotominor.yy346.pExpr = sqlite3PExpr(pParse, TK_NOT, yygotominor.yy346.pExpr, 0, 0); + yygotominor.yy346.zStart = yymsp[-3].minor.yy346.zStart; + yygotominor.yy346.zEnd = yymsp[0].minor.yy0.z ? &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n] : &yymsp[-1].minor.yy0.z[yymsp[-1].minor.yy0.n]; } break; case 231: /* expr ::= EXISTS LP select RP */ { - Expr *p = yygotominor.yy190.pExpr = sqlite3PExpr(pParse, TK_EXISTS, 0, 0, 0); + Expr *p = yygotominor.yy346.pExpr = sqlite3PExpr(pParse, TK_EXISTS, 0, 0, 0); if( p ){ - p->x.pSelect = yymsp[-1].minor.yy243; + p->x.pSelect = yymsp[-1].minor.yy3; ExprSetProperty(p, EP_xIsSelect); sqlite3ExprSetHeight(pParse, p); }else{ - sqlite3SelectDelete(pParse->db, yymsp[-1].minor.yy243); + sqlite3SelectDelete(pParse->db, yymsp[-1].minor.yy3); } - yygotominor.yy190.zStart = yymsp[-3].minor.yy0.z; - yygotominor.yy190.zEnd = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n]; + yygotominor.yy346.zStart = yymsp[-3].minor.yy0.z; + yygotominor.yy346.zEnd = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n]; } break; case 232: /* expr ::= CASE case_operand case_exprlist case_else END */ { - yygotominor.yy190.pExpr = sqlite3PExpr(pParse, TK_CASE, yymsp[-3].minor.yy72, yymsp[-1].minor.yy72, 0); - if( yygotominor.yy190.pExpr ){ - yygotominor.yy190.pExpr->x.pList = yymsp[-2].minor.yy148; - sqlite3ExprSetHeight(pParse, yygotominor.yy190.pExpr); + yygotominor.yy346.pExpr = sqlite3PExpr(pParse, TK_CASE, yymsp[-3].minor.yy132, yymsp[-1].minor.yy132, 0); + if( yygotominor.yy346.pExpr ){ + yygotominor.yy346.pExpr->x.pList = yymsp[-2].minor.yy14; + sqlite3ExprSetHeight(pParse, yygotominor.yy346.pExpr); }else{ - sqlite3ExprListDelete(pParse->db, yymsp[-2].minor.yy148); + sqlite3ExprListDelete(pParse->db, yymsp[-2].minor.yy14); } - yygotominor.yy190.zStart = yymsp[-4].minor.yy0.z; - yygotominor.yy190.zEnd = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n]; + yygotominor.yy346.zStart = yymsp[-4].minor.yy0.z; + yygotominor.yy346.zEnd = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n]; } break; case 233: /* case_exprlist ::= case_exprlist WHEN expr THEN expr */ { - yygotominor.yy148 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy148, yymsp[-2].minor.yy190.pExpr); - yygotominor.yy148 = sqlite3ExprListAppend(pParse,yygotominor.yy148, yymsp[0].minor.yy190.pExpr); + yygotominor.yy14 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy14, yymsp[-2].minor.yy346.pExpr); + yygotominor.yy14 = sqlite3ExprListAppend(pParse,yygotominor.yy14, yymsp[0].minor.yy346.pExpr); } break; case 234: /* case_exprlist ::= WHEN expr THEN expr */ { - yygotominor.yy148 = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy190.pExpr); - yygotominor.yy148 = sqlite3ExprListAppend(pParse,yygotominor.yy148, yymsp[0].minor.yy190.pExpr); + yygotominor.yy14 = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy346.pExpr); + yygotominor.yy14 = sqlite3ExprListAppend(pParse,yygotominor.yy14, yymsp[0].minor.yy346.pExpr); } break; case 243: /* cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP idxlist RP */ { sqlite3CreateIndex(pParse, &yymsp[-6].minor.yy0, &yymsp[-5].minor.yy0, - sqlite3SrcListAppend(pParse->db,0,&yymsp[-3].minor.yy0,0), yymsp[-1].minor.yy148, yymsp[-9].minor.yy194, - &yymsp[-10].minor.yy0, &yymsp[0].minor.yy0, SQLITE_SO_ASC, yymsp[-7].minor.yy194); + sqlite3SrcListAppend(pParse->db,0,&yymsp[-3].minor.yy0,0), yymsp[-1].minor.yy14, yymsp[-9].minor.yy328, + &yymsp[-10].minor.yy0, &yymsp[0].minor.yy0, SQLITE_SO_ASC, yymsp[-7].minor.yy328); } break; case 244: /* uniqueflag ::= UNIQUE */ - case 293: /* raisetype ::= ABORT */ yytestcase(yyruleno==293); -{yygotominor.yy194 = OE_Abort;} + case 298: /* raisetype ::= ABORT */ yytestcase(yyruleno==298); +{yygotominor.yy328 = OE_Abort;} break; case 245: /* uniqueflag ::= */ -{yygotominor.yy194 = OE_None;} +{yygotominor.yy328 = OE_None;} break; case 248: /* idxlist ::= idxlist COMMA nm collate sortorder */ { @@ -88975,10 +89254,10 @@ static void yy_reduce( p = sqlite3Expr(pParse->db, TK_COLUMN, 0); sqlite3ExprSetColl(pParse, p, &yymsp[-1].minor.yy0); } - yygotominor.yy148 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy148, p); - sqlite3ExprListSetName(pParse,yygotominor.yy148,&yymsp[-2].minor.yy0,1); - sqlite3ExprListCheckLength(pParse, yygotominor.yy148, "index"); - if( yygotominor.yy148 ) yygotominor.yy148->a[yygotominor.yy148->nExpr-1].sortOrder = (u8)yymsp[0].minor.yy194; + yygotominor.yy14 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy14, p); + sqlite3ExprListSetName(pParse,yygotominor.yy14,&yymsp[-2].minor.yy0,1); + sqlite3ExprListCheckLength(pParse, yygotominor.yy14, "index"); + if( yygotominor.yy14 ) yygotominor.yy14->a[yygotominor.yy14->nExpr-1].sortOrder = (u8)yymsp[0].minor.yy328; } break; case 249: /* idxlist ::= nm collate sortorder */ @@ -88988,17 +89267,17 @@ static void yy_reduce( p = sqlite3PExpr(pParse, TK_COLUMN, 0, 0, 0); sqlite3ExprSetColl(pParse, p, &yymsp[-1].minor.yy0); } - yygotominor.yy148 = sqlite3ExprListAppend(pParse,0, p); - sqlite3ExprListSetName(pParse, yygotominor.yy148, &yymsp[-2].minor.yy0, 1); - sqlite3ExprListCheckLength(pParse, yygotominor.yy148, "index"); - if( yygotominor.yy148 ) yygotominor.yy148->a[yygotominor.yy148->nExpr-1].sortOrder = (u8)yymsp[0].minor.yy194; + yygotominor.yy14 = sqlite3ExprListAppend(pParse,0, p); + sqlite3ExprListSetName(pParse, yygotominor.yy14, &yymsp[-2].minor.yy0, 1); + sqlite3ExprListCheckLength(pParse, yygotominor.yy14, "index"); + if( yygotominor.yy14 ) yygotominor.yy14->a[yygotominor.yy14->nExpr-1].sortOrder = (u8)yymsp[0].minor.yy328; } break; case 250: /* collate ::= */ {yygotominor.yy0.z = 0; yygotominor.yy0.n = 0;} break; case 252: /* cmd ::= DROP INDEX ifexists fullname */ -{sqlite3DropIndex(pParse, yymsp[0].minor.yy185, yymsp[-1].minor.yy194);} +{sqlite3DropIndex(pParse, yymsp[0].minor.yy65, yymsp[-1].minor.yy328);} break; case 253: /* cmd ::= VACUUM */ case 254: /* cmd ::= VACUUM nm */ yytestcase(yyruleno==254); @@ -89024,156 +89303,178 @@ static void yy_reduce( Token all; all.z = yymsp[-3].minor.yy0.z; all.n = (int)(yymsp[0].minor.yy0.z - yymsp[-3].minor.yy0.z) + yymsp[0].minor.yy0.n; - sqlite3FinishTrigger(pParse, yymsp[-1].minor.yy145, &all); + sqlite3FinishTrigger(pParse, yymsp[-1].minor.yy473, &all); } break; case 271: /* trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause */ { - sqlite3BeginTrigger(pParse, &yymsp[-7].minor.yy0, &yymsp[-6].minor.yy0, yymsp[-5].minor.yy194, yymsp[-4].minor.yy332.a, yymsp[-4].minor.yy332.b, yymsp[-2].minor.yy185, yymsp[0].minor.yy72, yymsp[-10].minor.yy194, yymsp[-8].minor.yy194); + sqlite3BeginTrigger(pParse, &yymsp[-7].minor.yy0, &yymsp[-6].minor.yy0, yymsp[-5].minor.yy328, yymsp[-4].minor.yy378.a, yymsp[-4].minor.yy378.b, yymsp[-2].minor.yy65, yymsp[0].minor.yy132, yymsp[-10].minor.yy328, yymsp[-8].minor.yy328); yygotominor.yy0 = (yymsp[-6].minor.yy0.n==0?yymsp[-7].minor.yy0:yymsp[-6].minor.yy0); } break; case 272: /* trigger_time ::= BEFORE */ case 275: /* trigger_time ::= */ yytestcase(yyruleno==275); -{ yygotominor.yy194 = TK_BEFORE; } +{ yygotominor.yy328 = TK_BEFORE; } break; case 273: /* trigger_time ::= AFTER */ -{ yygotominor.yy194 = TK_AFTER; } +{ yygotominor.yy328 = TK_AFTER; } break; case 274: /* trigger_time ::= INSTEAD OF */ -{ yygotominor.yy194 = TK_INSTEAD;} +{ yygotominor.yy328 = TK_INSTEAD;} break; case 276: /* trigger_event ::= DELETE|INSERT */ case 277: /* trigger_event ::= UPDATE */ yytestcase(yyruleno==277); -{yygotominor.yy332.a = yymsp[0].major; yygotominor.yy332.b = 0;} +{yygotominor.yy378.a = yymsp[0].major; yygotominor.yy378.b = 0;} break; case 278: /* trigger_event ::= UPDATE OF inscollist */ -{yygotominor.yy332.a = TK_UPDATE; yygotominor.yy332.b = yymsp[0].minor.yy254;} +{yygotominor.yy378.a = TK_UPDATE; yygotominor.yy378.b = yymsp[0].minor.yy408;} break; case 281: /* when_clause ::= */ - case 298: /* key_opt ::= */ yytestcase(yyruleno==298); -{ yygotominor.yy72 = 0; } + case 303: /* key_opt ::= */ yytestcase(yyruleno==303); +{ yygotominor.yy132 = 0; } break; case 282: /* when_clause ::= WHEN expr */ - case 299: /* key_opt ::= KEY expr */ yytestcase(yyruleno==299); -{ yygotominor.yy72 = yymsp[0].minor.yy190.pExpr; } + case 304: /* key_opt ::= KEY expr */ yytestcase(yyruleno==304); +{ yygotominor.yy132 = yymsp[0].minor.yy346.pExpr; } break; case 283: /* trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI */ { - assert( yymsp[-2].minor.yy145!=0 ); - yymsp[-2].minor.yy145->pLast->pNext = yymsp[-1].minor.yy145; - yymsp[-2].minor.yy145->pLast = yymsp[-1].minor.yy145; - yygotominor.yy145 = yymsp[-2].minor.yy145; + assert( yymsp[-2].minor.yy473!=0 ); + yymsp[-2].minor.yy473->pLast->pNext = yymsp[-1].minor.yy473; + yymsp[-2].minor.yy473->pLast = yymsp[-1].minor.yy473; + yygotominor.yy473 = yymsp[-2].minor.yy473; } break; case 284: /* trigger_cmd_list ::= trigger_cmd SEMI */ { - assert( yymsp[-1].minor.yy145!=0 ); - yymsp[-1].minor.yy145->pLast = yymsp[-1].minor.yy145; - yygotominor.yy145 = yymsp[-1].minor.yy145; + assert( yymsp[-1].minor.yy473!=0 ); + yymsp[-1].minor.yy473->pLast = yymsp[-1].minor.yy473; + yygotominor.yy473 = yymsp[-1].minor.yy473; +} + break; + case 286: /* trnm ::= nm DOT nm */ +{ + yygotominor.yy0 = yymsp[0].minor.yy0; + sqlite3ErrorMsg(pParse, + "qualified table names are not allowed on INSERT, UPDATE, and DELETE " + "statements within triggers"); +} + break; + case 288: /* tridxby ::= INDEXED BY nm */ +{ + sqlite3ErrorMsg(pParse, + "the INDEXED BY clause is not allowed on UPDATE or DELETE statements " + "within triggers"); +} + break; + case 289: /* tridxby ::= NOT INDEXED */ +{ + sqlite3ErrorMsg(pParse, + "the NOT INDEXED clause is not allowed on UPDATE or DELETE statements " + "within triggers"); } break; - case 285: /* trigger_cmd ::= UPDATE orconf nm SET setlist where_opt */ -{ yygotominor.yy145 = sqlite3TriggerUpdateStep(pParse->db, &yymsp[-3].minor.yy0, yymsp[-1].minor.yy148, yymsp[0].minor.yy72, yymsp[-4].minor.yy194); } + case 290: /* trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist where_opt */ +{ yygotominor.yy473 = sqlite3TriggerUpdateStep(pParse->db, &yymsp[-4].minor.yy0, yymsp[-1].minor.yy14, yymsp[0].minor.yy132, yymsp[-5].minor.yy186); } break; - case 286: /* trigger_cmd ::= insert_cmd INTO nm inscollist_opt VALUES LP itemlist RP */ -{yygotominor.yy145 = sqlite3TriggerInsertStep(pParse->db, &yymsp[-5].minor.yy0, yymsp[-4].minor.yy254, yymsp[-1].minor.yy148, 0, yymsp[-7].minor.yy194);} + case 291: /* trigger_cmd ::= insert_cmd INTO trnm inscollist_opt VALUES LP itemlist RP */ +{yygotominor.yy473 = sqlite3TriggerInsertStep(pParse->db, &yymsp[-5].minor.yy0, yymsp[-4].minor.yy408, yymsp[-1].minor.yy14, 0, yymsp[-7].minor.yy186);} break; - case 287: /* trigger_cmd ::= insert_cmd INTO nm inscollist_opt select */ -{yygotominor.yy145 = sqlite3TriggerInsertStep(pParse->db, &yymsp[-2].minor.yy0, yymsp[-1].minor.yy254, 0, yymsp[0].minor.yy243, yymsp[-4].minor.yy194);} + case 292: /* trigger_cmd ::= insert_cmd INTO trnm inscollist_opt select */ +{yygotominor.yy473 = sqlite3TriggerInsertStep(pParse->db, &yymsp[-2].minor.yy0, yymsp[-1].minor.yy408, 0, yymsp[0].minor.yy3, yymsp[-4].minor.yy186);} break; - case 288: /* trigger_cmd ::= DELETE FROM nm where_opt */ -{yygotominor.yy145 = sqlite3TriggerDeleteStep(pParse->db, &yymsp[-1].minor.yy0, yymsp[0].minor.yy72);} + case 293: /* trigger_cmd ::= DELETE FROM trnm tridxby where_opt */ +{yygotominor.yy473 = sqlite3TriggerDeleteStep(pParse->db, &yymsp[-2].minor.yy0, yymsp[0].minor.yy132);} break; - case 289: /* trigger_cmd ::= select */ -{yygotominor.yy145 = sqlite3TriggerSelectStep(pParse->db, yymsp[0].minor.yy243); } + case 294: /* trigger_cmd ::= select */ +{yygotominor.yy473 = sqlite3TriggerSelectStep(pParse->db, yymsp[0].minor.yy3); } break; - case 290: /* expr ::= RAISE LP IGNORE RP */ + case 295: /* expr ::= RAISE LP IGNORE RP */ { - yygotominor.yy190.pExpr = sqlite3PExpr(pParse, TK_RAISE, 0, 0, 0); - if( yygotominor.yy190.pExpr ){ - yygotominor.yy190.pExpr->affinity = OE_Ignore; + yygotominor.yy346.pExpr = sqlite3PExpr(pParse, TK_RAISE, 0, 0, 0); + if( yygotominor.yy346.pExpr ){ + yygotominor.yy346.pExpr->affinity = OE_Ignore; } - yygotominor.yy190.zStart = yymsp[-3].minor.yy0.z; - yygotominor.yy190.zEnd = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n]; + yygotominor.yy346.zStart = yymsp[-3].minor.yy0.z; + yygotominor.yy346.zEnd = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n]; } break; - case 291: /* expr ::= RAISE LP raisetype COMMA nm RP */ + case 296: /* expr ::= RAISE LP raisetype COMMA nm RP */ { - yygotominor.yy190.pExpr = sqlite3PExpr(pParse, TK_RAISE, 0, 0, &yymsp[-1].minor.yy0); - if( yygotominor.yy190.pExpr ) { - yygotominor.yy190.pExpr->affinity = (char)yymsp[-3].minor.yy194; + yygotominor.yy346.pExpr = sqlite3PExpr(pParse, TK_RAISE, 0, 0, &yymsp[-1].minor.yy0); + if( yygotominor.yy346.pExpr ) { + yygotominor.yy346.pExpr->affinity = (char)yymsp[-3].minor.yy328; } - yygotominor.yy190.zStart = yymsp[-5].minor.yy0.z; - yygotominor.yy190.zEnd = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n]; + yygotominor.yy346.zStart = yymsp[-5].minor.yy0.z; + yygotominor.yy346.zEnd = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n]; } break; - case 292: /* raisetype ::= ROLLBACK */ -{yygotominor.yy194 = OE_Rollback;} + case 297: /* raisetype ::= ROLLBACK */ +{yygotominor.yy328 = OE_Rollback;} break; - case 294: /* raisetype ::= FAIL */ -{yygotominor.yy194 = OE_Fail;} + case 299: /* raisetype ::= FAIL */ +{yygotominor.yy328 = OE_Fail;} break; - case 295: /* cmd ::= DROP TRIGGER ifexists fullname */ + case 300: /* cmd ::= DROP TRIGGER ifexists fullname */ { - sqlite3DropTrigger(pParse,yymsp[0].minor.yy185,yymsp[-1].minor.yy194); + sqlite3DropTrigger(pParse,yymsp[0].minor.yy65,yymsp[-1].minor.yy328); } break; - case 296: /* cmd ::= ATTACH database_kw_opt expr AS expr key_opt */ + case 301: /* cmd ::= ATTACH database_kw_opt expr AS expr key_opt */ { - sqlite3Attach(pParse, yymsp[-3].minor.yy190.pExpr, yymsp[-1].minor.yy190.pExpr, yymsp[0].minor.yy72); + sqlite3Attach(pParse, yymsp[-3].minor.yy346.pExpr, yymsp[-1].minor.yy346.pExpr, yymsp[0].minor.yy132); } break; - case 297: /* cmd ::= DETACH database_kw_opt expr */ + case 302: /* cmd ::= DETACH database_kw_opt expr */ { - sqlite3Detach(pParse, yymsp[0].minor.yy190.pExpr); + sqlite3Detach(pParse, yymsp[0].minor.yy346.pExpr); } break; - case 302: /* cmd ::= REINDEX */ + case 307: /* cmd ::= REINDEX */ {sqlite3Reindex(pParse, 0, 0);} break; - case 303: /* cmd ::= REINDEX nm dbnm */ + case 308: /* cmd ::= REINDEX nm dbnm */ {sqlite3Reindex(pParse, &yymsp[-1].minor.yy0, &yymsp[0].minor.yy0);} break; - case 304: /* cmd ::= ANALYZE */ + case 309: /* cmd ::= ANALYZE */ {sqlite3Analyze(pParse, 0, 0);} break; - case 305: /* cmd ::= ANALYZE nm dbnm */ + case 310: /* cmd ::= ANALYZE nm dbnm */ {sqlite3Analyze(pParse, &yymsp[-1].minor.yy0, &yymsp[0].minor.yy0);} break; - case 306: /* cmd ::= ALTER TABLE fullname RENAME TO nm */ + case 311: /* cmd ::= ALTER TABLE fullname RENAME TO nm */ { - sqlite3AlterRenameTable(pParse,yymsp[-3].minor.yy185,&yymsp[0].minor.yy0); + sqlite3AlterRenameTable(pParse,yymsp[-3].minor.yy65,&yymsp[0].minor.yy0); } break; - case 307: /* cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt column */ + case 312: /* cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt column */ { sqlite3AlterFinishAddColumn(pParse, &yymsp[0].minor.yy0); } break; - case 308: /* add_column_fullname ::= fullname */ + case 313: /* add_column_fullname ::= fullname */ { pParse->db->lookaside.bEnabled = 0; - sqlite3AlterBeginAddColumn(pParse, yymsp[0].minor.yy185); + sqlite3AlterBeginAddColumn(pParse, yymsp[0].minor.yy65); } break; - case 311: /* cmd ::= create_vtab */ + case 316: /* cmd ::= create_vtab */ {sqlite3VtabFinishParse(pParse,0);} break; - case 312: /* cmd ::= create_vtab LP vtabarglist RP */ + case 317: /* cmd ::= create_vtab LP vtabarglist RP */ {sqlite3VtabFinishParse(pParse,&yymsp[0].minor.yy0);} break; - case 313: /* create_vtab ::= createkw VIRTUAL TABLE nm dbnm USING nm */ + case 318: /* create_vtab ::= createkw VIRTUAL TABLE nm dbnm USING nm */ { sqlite3VtabBeginParse(pParse, &yymsp[-3].minor.yy0, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0); } break; - case 316: /* vtabarg ::= */ + case 321: /* vtabarg ::= */ {sqlite3VtabArgInit(pParse);} break; - case 318: /* vtabargtoken ::= ANY */ - case 319: /* vtabargtoken ::= lp anylist RP */ yytestcase(yyruleno==319); - case 320: /* lp ::= LP */ yytestcase(yyruleno==320); + case 323: /* vtabargtoken ::= ANY */ + case 324: /* vtabargtoken ::= lp anylist RP */ yytestcase(yyruleno==324); + case 325: /* lp ::= LP */ yytestcase(yyruleno==325); {sqlite3VtabArgExtend(pParse,&yymsp[0].minor.yy0);} break; default: @@ -89206,16 +89507,17 @@ static void yy_reduce( /* (269) plus_opt ::= */ yytestcase(yyruleno==269); /* (279) foreach_clause ::= */ yytestcase(yyruleno==279); /* (280) foreach_clause ::= FOR EACH ROW */ yytestcase(yyruleno==280); - /* (300) database_kw_opt ::= DATABASE */ yytestcase(yyruleno==300); - /* (301) database_kw_opt ::= */ yytestcase(yyruleno==301); - /* (309) kwcolumn_opt ::= */ yytestcase(yyruleno==309); - /* (310) kwcolumn_opt ::= COLUMNKW */ yytestcase(yyruleno==310); - /* (314) vtabarglist ::= vtabarg */ yytestcase(yyruleno==314); - /* (315) vtabarglist ::= vtabarglist COMMA vtabarg */ yytestcase(yyruleno==315); - /* (317) vtabarg ::= vtabarg vtabargtoken */ yytestcase(yyruleno==317); - /* (321) anylist ::= */ yytestcase(yyruleno==321); - /* (322) anylist ::= anylist LP anylist RP */ yytestcase(yyruleno==322); - /* (323) anylist ::= anylist ANY */ yytestcase(yyruleno==323); + /* (287) tridxby ::= */ yytestcase(yyruleno==287); + /* (305) database_kw_opt ::= DATABASE */ yytestcase(yyruleno==305); + /* (306) database_kw_opt ::= */ yytestcase(yyruleno==306); + /* (314) kwcolumn_opt ::= */ yytestcase(yyruleno==314); + /* (315) kwcolumn_opt ::= COLUMNKW */ yytestcase(yyruleno==315); + /* (319) vtabarglist ::= vtabarg */ yytestcase(yyruleno==319); + /* (320) vtabarglist ::= vtabarglist COMMA vtabarg */ yytestcase(yyruleno==320); + /* (322) vtabarg ::= vtabarg vtabargtoken */ yytestcase(yyruleno==322); + /* (326) anylist ::= */ yytestcase(yyruleno==326); + /* (327) anylist ::= anylist LP anylist RP */ yytestcase(yyruleno==327); + /* (328) anylist ::= anylist ANY */ yytestcase(yyruleno==328); break; }; yygoto = yyRuleInfo[yyruleno].lhs; @@ -89543,7 +89845,7 @@ const unsigned char ebcdicToAscii[] = { ** ** The code in this file has been automatically generated by ** -** $Header$ +** $Header: /sqlite/sqlite/tool/mkkeywordhash.c,v 1.38 2009/06/09 14:27:41 drh Exp $ ** ** The code in this file implements a function that determines whether ** or not a given identifier is really an SQL keyword. The same thing @@ -90153,7 +90455,7 @@ SQLITE_PRIVATE int sqlite3RunParser(Parse *pParse, const char *zSql, char **pzEr db->u1.isInterrupted = 0; } pParse->rc = SQLITE_OK; - pParse->zTail = pParse->zSql = zSql; + pParse->zTail = zSql; i = 0; assert( pzErrMsg!=0 ); pEngine = sqlite3ParserAlloc((void*(*)(size_t))sqlite3Malloc); @@ -92283,10 +92585,8 @@ static int openDatabase( */ db->aDb[0].zName = "main"; db->aDb[0].safety_level = 3; -#ifndef SQLITE_OMIT_TEMPDB db->aDb[1].zName = "temp"; db->aDb[1].safety_level = 1; -#endif db->magic = SQLITE_MAGIC_OPEN; if( db->mallocFailed ){ @@ -92892,6 +93192,21 @@ SQLITE_API int sqlite3_test_control(int op, ...){ rc = ALWAYS(x); break; } + + /* sqlite3_test_control(SQLITE_TESTCTRL_RESERVE, sqlite3 *db, int N) + ** + ** Set the nReserve size to N for the main database on the database + ** connection db. + */ + case SQLITE_TESTCTRL_RESERVE: { + sqlite3 *db = va_arg(ap, sqlite3*); + int x = va_arg(ap,int); + sqlite3_mutex_enter(db->mutex); + sqlite3BtreeSetPageSize(db->aDb[0].pBt, 0, x, 0); + sqlite3_mutex_leave(db->mutex); + break; + } + } va_end(ap); #endif /* SQLITE_OMIT_BUILTIN_TEST */ @@ -101035,7 +101350,9 @@ static int getNextNode( for(ii=0; ii<pParse->nCol; ii++){ const char *zStr = pParse->azCol[ii]; int nStr = strlen(zStr); - if( nInput>nStr && zInput[nStr]==':' && memcmp(zStr, zInput, nStr)==0 ){ + if( nInput>nStr && zInput[nStr]==':' + && sqlite3_strnicmp(zStr, zInput, nStr)==0 + ){ iCol = ii; iColLen = ((zInput - z) + nStr + 1); break; @@ -101152,10 +101469,10 @@ static int fts3ExprParse( pNot->eType = FTSQUERY_NOT; pNot->pRight = p; if( pNotBranch ){ - pNotBranch->pLeft = p; - pNot->pRight = pNotBranch; + pNot->pLeft = pNotBranch; } pNotBranch = pNot; + p = pPrev; }else{ int eType = p->eType; assert( eType!=FTSQUERY_PHRASE || !p->pPhrase->isNot ); @@ -101237,7 +101554,11 @@ static int fts3ExprParse( if( !pRet ){ rc = SQLITE_ERROR; }else{ - pNotBranch->pLeft = pRet; + Fts3Expr *pIter = pNotBranch; + while( pIter->pLeft ){ + pIter = pIter->pLeft; + } + pIter->pLeft = pRet; pRet = pNotBranch; } } @@ -105453,7 +105774,7 @@ static int hashIsEmpty(Rtree *pRtree){ /* ** The xUpdate method for rtree module virtual tables. */ -int rtreeUpdate( +static int rtreeUpdate( sqlite3_vtab *pVtab, int nData, sqlite3_value **azData, @@ -105848,8 +106169,10 @@ static int rtreeInit( zSql = sqlite3_mprintf("%s);", zTmp); sqlite3_free(zTmp); } - if( !zSql || sqlite3_declare_vtab(db, zSql) ){ + if( !zSql ){ rc = SQLITE_NOMEM; + }else if( SQLITE_OK!=(rc = sqlite3_declare_vtab(db, zSql)) ){ + *pzErr = sqlite3_mprintf("%s", sqlite3_errmsg(db)); } sqlite3_free(zSql); } |