From 49e52e8dd68cc58b9c9ec9bd2c1f89184845d746 Mon Sep 17 00:00:00 2001 From: Christian Ehrlicher Date: Fri, 25 Aug 2023 16:52:00 +0200 Subject: SQLite: Update SQLite to v3.43.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ChangeLog][Third-Party Code] Updated SQLite to v3.43.0 Pick-to: 5.15 6.2 6.5 6.6 Fixes: QTBUG-116248 Change-Id: I039f572d21a8506faa5e29a48cdc7e40f990d946 Reviewed-by: Volker Hilsheimer Reviewed-by: Kai Köhne --- src/3rdparty/sqlite/qt_attribution.json | 4 +- src/3rdparty/sqlite/sqlite3.c | 7718 ++++++++++++++++++++++--------- src/3rdparty/sqlite/sqlite3.h | 106 +- 3 files changed, 5525 insertions(+), 2303 deletions(-) (limited to 'src/3rdparty') diff --git a/src/3rdparty/sqlite/qt_attribution.json b/src/3rdparty/sqlite/qt_attribution.json index 08763bd1f8..1d9fbaa4fb 100644 --- a/src/3rdparty/sqlite/qt_attribution.json +++ b/src/3rdparty/sqlite/qt_attribution.json @@ -7,8 +7,8 @@ "Description": "SQLite is a small C library that implements a self-contained, embeddable, zero-configuration SQL database engine.", "Homepage": "https://www.sqlite.org/", - "Version": "3.42.0", - "DownloadLocation": "https://sqlite.org/2023/sqlite-amalgamation-3420000.zip", + "Version": "3.43.0", + "DownloadLocation": "https://sqlite.org/2023/sqlite-amalgamation-3430000.zip", "License": "Public Domain", "LicenseId": "CC0-1.0", "Copyright": "The authors disclaim copyright to the source code. However, a license can be obtained if needed." diff --git a/src/3rdparty/sqlite/sqlite3.c b/src/3rdparty/sqlite/sqlite3.c index dd3b5c5757..310583f996 100644 --- a/src/3rdparty/sqlite/sqlite3.c +++ b/src/3rdparty/sqlite/sqlite3.c @@ -1,6 +1,6 @@ /****************************************************************************** ** This file is an amalgamation of many separate C source files from SQLite -** version 3.42.0. By combining all the individual C code files into this +** version 3.43.0. By combining all the individual C code files into this ** single large file, the entire code can be compiled as a single translation ** unit. This allows many compilers to do optimizations that would not be ** possible if the files were compiled separately. Performance improvements @@ -16,6 +16,9 @@ ** 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 content in this amalgamation comes from Fossil check-in +** f80b798b3f4b81a7bb4233c58294edd0f11. */ #define SQLITE_CORE 1 #define SQLITE_AMALGAMATION 1 @@ -50,11 +53,11 @@ ** used on lines of code that actually ** implement parts of coverage testing. ** -** OPTIMIZATION-IF-TRUE - This branch is allowed to alway be false +** OPTIMIZATION-IF-TRUE - This branch is allowed to always be false ** and the correct answer is still obtained, ** though perhaps more slowly. ** -** OPTIMIZATION-IF-FALSE - This branch is allowed to alway be true +** OPTIMIZATION-IF-FALSE - This branch is allowed to always be true ** and the correct answer is still obtained, ** though perhaps more slowly. ** @@ -456,9 +459,9 @@ extern "C" { ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ -#define SQLITE_VERSION "3.42.0" -#define SQLITE_VERSION_NUMBER 3042000 -#define SQLITE_SOURCE_ID "2023-05-16 12:36:15 831d0fb2836b71c9bc51067c49fee4b8f18047814f2ff22d817d25195cf350b0" +#define SQLITE_VERSION "3.43.0" +#define SQLITE_VERSION_NUMBER 3043000 +#define SQLITE_SOURCE_ID "2023-08-24 12:36:59 0f80b798b3f4b81a7bb4233c58294edd0f1156f36b6ecf5ab8e83631d468778c" /* ** CAPI3REF: Run-Time Library Version Numbers @@ -838,6 +841,7 @@ SQLITE_API int sqlite3_exec( #define SQLITE_IOERR_ROLLBACK_ATOMIC (SQLITE_IOERR | (31<<8)) #define SQLITE_IOERR_DATA (SQLITE_IOERR | (32<<8)) #define SQLITE_IOERR_CORRUPTFS (SQLITE_IOERR | (33<<8)) +#define SQLITE_IOERR_IN_PAGE (SQLITE_IOERR | (34<<8)) #define SQLITE_LOCKED_SHAREDCACHE (SQLITE_LOCKED | (1<<8)) #define SQLITE_LOCKED_VTAB (SQLITE_LOCKED | (2<<8)) #define SQLITE_BUSY_RECOVERY (SQLITE_BUSY | (1<<8)) @@ -1500,7 +1504,7 @@ struct sqlite3_io_methods { ** by clients within the current process, only within other processes. ** **
  • [[SQLITE_FCNTL_CKSM_FILE]] -** The [SQLITE_FCNTL_CKSM_FILE] opcode is for use interally by the +** The [SQLITE_FCNTL_CKSM_FILE] opcode is for use internally by the ** [checksum VFS shim] only. ** **
  • [[SQLITE_FCNTL_RESET_CACHE]] @@ -2764,7 +2768,7 @@ struct sqlite3_mem_methods { ** the [VACUUM] command will fail with an obscure error when attempting to ** process a table with generated columns and a descending index. This is ** not considered a bug since SQLite versions 3.3.0 and earlier do not support -** either generated columns or decending indexes. +** either generated columns or descending indexes. ** ** ** [[SQLITE_DBCONFIG_STMT_SCANSTATUS]] @@ -3045,6 +3049,7 @@ SQLITE_API sqlite3_int64 sqlite3_total_changes64(sqlite3*); ** ** ^The [sqlite3_is_interrupted(D)] interface can be used to determine whether ** or not an interrupt is currently in effect for [database connection] D. +** It returns 1 if an interrupt is currently in effect, or 0 otherwise. */ SQLITE_API void sqlite3_interrupt(sqlite3*); SQLITE_API int sqlite3_is_interrupted(sqlite3*); @@ -3698,8 +3703,10 @@ SQLITE_API SQLITE_DEPRECATED void *sqlite3_profile(sqlite3*, ** M argument should be the bitwise OR-ed combination of ** zero or more [SQLITE_TRACE] constants. ** -** ^Each call to either sqlite3_trace() or sqlite3_trace_v2() overrides -** (cancels) any prior calls to sqlite3_trace() or sqlite3_trace_v2(). +** ^Each call to either sqlite3_trace(D,X,P) or sqlite3_trace_v2(D,M,X,P) +** overrides (cancels) all prior calls to sqlite3_trace(D,X,P) or +** sqlite3_trace_v2(D,M,X,P) for the [database connection] D. Each +** database connection may have at most one trace callback. ** ** ^The X callback is invoked whenever any of the events identified by ** mask M occur. ^The integer return value from the callback is currently @@ -4068,7 +4075,7 @@ SQLITE_API int sqlite3_open_v2( ** as F) must be one of: **
      **
    • A database filename pointer created by the SQLite core and -** passed into the xOpen() method of a VFS implemention, or +** passed into the xOpen() method of a VFS implementation, or **
    • A filename obtained from [sqlite3_db_filename()], or **
    • A new filename constructed using [sqlite3_create_filename()]. **
    @@ -4181,7 +4188,7 @@ SQLITE_API sqlite3_file *sqlite3_database_file_object(const char*); /* ** CAPI3REF: Create and Destroy VFS Filenames ** -** These interfces are provided for use by [VFS shim] implementations and +** These interfaces are provided for use by [VFS shim] implementations and ** are not useful outside of that context. ** ** The sqlite3_create_filename(D,J,W,N,P) allocates memory to hold a version of @@ -4728,6 +4735,41 @@ SQLITE_API int sqlite3_stmt_readonly(sqlite3_stmt *pStmt); */ SQLITE_API int sqlite3_stmt_isexplain(sqlite3_stmt *pStmt); +/* +** CAPI3REF: Change The EXPLAIN Setting For A Prepared Statement +** METHOD: sqlite3_stmt +** +** The sqlite3_stmt_explain(S,E) interface changes the EXPLAIN +** setting for [prepared statement] S. If E is zero, then S becomes +** a normal prepared statement. If E is 1, then S behaves as if +** its SQL text began with "[EXPLAIN]". If E is 2, then S behaves as if +** its SQL text began with "[EXPLAIN QUERY PLAN]". +** +** Calling sqlite3_stmt_explain(S,E) might cause S to be reprepared. +** SQLite tries to avoid a reprepare, but a reprepare might be necessary +** on the first transition into EXPLAIN or EXPLAIN QUERY PLAN mode. +** +** Because of the potential need to reprepare, a call to +** sqlite3_stmt_explain(S,E) will fail with SQLITE_ERROR if S cannot be +** reprepared because it was created using [sqlite3_prepare()] instead of +** the newer [sqlite3_prepare_v2()] or [sqlite3_prepare_v3()] interfaces and +** hence has no saved SQL text with which to reprepare. +** +** Changing the explain setting for a prepared statement does not change +** the original SQL text for the statement. Hence, if the SQL text originally +** began with EXPLAIN or EXPLAIN QUERY PLAN, but sqlite3_stmt_explain(S,0) +** is called to convert the statement into an ordinary statement, the EXPLAIN +** or EXPLAIN QUERY PLAN keywords will still appear in the sqlite3_sql(S) +** output, even though the statement now acts like a normal SQL statement. +** +** This routine returns SQLITE_OK if the explain mode is successfully +** changed, or an error code if the explain mode could not be changed. +** The explain mode cannot be changed while a statement is active. +** Hence, it is good practice to call [sqlite3_reset(S)] +** immediately prior to calling sqlite3_stmt_explain(S,E). +*/ +SQLITE_API int sqlite3_stmt_explain(sqlite3_stmt *pStmt, int eMode); + /* ** CAPI3REF: Determine If A Prepared Statement Has Been Reset ** METHOD: sqlite3_stmt @@ -4891,7 +4933,7 @@ typedef struct sqlite3_context sqlite3_context; ** with it may be passed. ^It is called to dispose of the BLOB or string even ** if the call to the bind API fails, except the destructor is not called if ** the third parameter is a NULL pointer or the fourth parameter is negative. -** ^ (2) The special constant, [SQLITE_STATIC], may be passsed to indicate that +** ^ (2) The special constant, [SQLITE_STATIC], may be passed to indicate that ** the application remains responsible for disposing of the object. ^In this ** case, the object and the provided pointer to it must remain valid until ** either the prepared statement is finalized or the same SQL parameter is @@ -5570,14 +5612,26 @@ SQLITE_API int sqlite3_finalize(sqlite3_stmt *pStmt); ** ^The [sqlite3_reset(S)] interface resets the [prepared statement] S ** back to the beginning of its program. ** -** ^If the most recent call to [sqlite3_step(S)] for the -** [prepared statement] S returned [SQLITE_ROW] or [SQLITE_DONE], -** or if [sqlite3_step(S)] has never before been called on S, -** then [sqlite3_reset(S)] returns [SQLITE_OK]. +** ^The return code from [sqlite3_reset(S)] indicates whether or not +** the previous evaluation of prepared statement S completed successfully. +** ^If [sqlite3_step(S)] has never before been called on S or if +** [sqlite3_step(S)] has not been called since the previous call +** to [sqlite3_reset(S)], then [sqlite3_reset(S)] will return +** [SQLITE_OK]. ** ** ^If the most recent call to [sqlite3_step(S)] for the ** [prepared statement] S indicated an error, then ** [sqlite3_reset(S)] returns an appropriate [error code]. +** ^The [sqlite3_reset(S)] interface might also return an [error code] +** if there were no prior errors but the process of resetting +** the prepared statement caused a new error. ^For example, if an +** [INSERT] statement with a [RETURNING] clause is only stepped one time, +** that one call to [sqlite3_step(S)] might return SQLITE_ROW but +** the overall statement might still fail and the [sqlite3_reset(S)] call +** might return SQLITE_BUSY if locking constraints prevent the +** database change from committing. Therefore, it is important that +** applications check the return code from [sqlite3_reset(S)] even if +** no prior call to [sqlite3_step(S)] indicated a problem. ** ** ^The [sqlite3_reset(S)] interface does not change the values ** of any [sqlite3_bind_blob|bindings] on the [prepared statement] S. @@ -5794,7 +5848,7 @@ SQLITE_API int sqlite3_create_window_function( ** [application-defined SQL function] ** that has side-effects or that could potentially leak sensitive information. ** This will prevent attacks in which an application is tricked -** into using a database file that has had its schema surreptiously +** into using a database file that has had its schema surreptitiously ** modified to invoke the application-defined function in ways that are ** harmful. **

    @@ -8471,7 +8525,8 @@ SQLITE_API int sqlite3_test_control(int op, ...); #define SQLITE_TESTCTRL_TRACEFLAGS 31 #define SQLITE_TESTCTRL_TUNE 32 #define SQLITE_TESTCTRL_LOGEST 33 -#define SQLITE_TESTCTRL_LAST 33 /* Largest TESTCTRL */ +#define SQLITE_TESTCTRL_USELONGDOUBLE 34 +#define SQLITE_TESTCTRL_LAST 34 /* Largest TESTCTRL */ /* ** CAPI3REF: SQL Keyword Checking @@ -9503,8 +9558,8 @@ SQLITE_API int sqlite3_backup_pagecount(sqlite3_backup *p); ** blocked connection already has a registered unlock-notify callback, ** then the new callback replaces the old.)^ ^If sqlite3_unlock_notify() is ** called with a NULL pointer as its second argument, then any existing -** unlock-notify callback is canceled. ^The blocked connections -** unlock-notify callback may also be canceled by closing the blocked +** unlock-notify callback is cancelled. ^The blocked connections +** unlock-notify callback may also be cancelled by closing the blocked ** connection using [sqlite3_close()]. ** ** The unlock-notify callback is not reentrant. If an application invokes @@ -9927,7 +9982,7 @@ SQLITE_API int sqlite3_vtab_config(sqlite3*, int op, ...); ** [[SQLITE_VTAB_DIRECTONLY]]

    SQLITE_VTAB_DIRECTONLY
    **
    Calls of the form ** [sqlite3_vtab_config](db,SQLITE_VTAB_DIRECTONLY) from within the -** the [xConnect] or [xCreate] methods of a [virtual table] implmentation +** the [xConnect] or [xCreate] methods of a [virtual table] implementation ** prohibits that virtual table from being used from within triggers and ** views. **
    @@ -10117,7 +10172,7 @@ SQLITE_API int sqlite3_vtab_distinct(sqlite3_index_info*); ** communicated to the xBestIndex method as a ** [SQLITE_INDEX_CONSTRAINT_EQ] constraint.)^ If xBestIndex wants to use ** this constraint, it must set the corresponding -** aConstraintUsage[].argvIndex to a postive integer. ^(Then, under +** aConstraintUsage[].argvIndex to a positive integer. ^(Then, under ** the usual mode of handling IN operators, SQLite generates [bytecode] ** that invokes the [xFilter|xFilter() method] once for each value ** on the right-hand side of the IN operator.)^ Thus the virtual table @@ -10546,7 +10601,7 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3*); ** When the [sqlite3_blob_write()] API is used to update a blob column, ** the pre-update hook is invoked with SQLITE_DELETE. This is because the ** in this case the new values are not available. In this case, when a -** callback made with op==SQLITE_DELETE is actuall a write using the +** callback made with op==SQLITE_DELETE is actually a write using the ** sqlite3_blob_write() API, the [sqlite3_preupdate_blobwrite()] returns ** the index of the column being written. In other cases, where the ** pre-update hook is being invoked for some other reason, including a @@ -13064,7 +13119,7 @@ struct Fts5PhraseIter { ** See xPhraseFirstColumn above. */ struct Fts5ExtensionApi { - int iVersion; /* Currently always set to 3 */ + int iVersion; /* Currently always set to 2 */ void *(*xUserData)(Fts5Context*); @@ -13293,8 +13348,8 @@ struct Fts5ExtensionApi { ** as separate queries of the FTS index are required for each synonym. ** ** When using methods (2) or (3), it is important that the tokenizer only -** provide synonyms when tokenizing document text (method (2)) or query -** text (method (3)), not both. Doing so will not cause any errors, but is +** provide synonyms when tokenizing document text (method (3)) or query +** text (method (2)), not both. Doing so will not cause any errors, but is ** inefficient. */ typedef struct Fts5Tokenizer Fts5Tokenizer; @@ -13342,7 +13397,7 @@ struct fts5_api { int (*xCreateTokenizer)( fts5_api *pApi, const char *zName, - void *pContext, + void *pUserData, fts5_tokenizer *pTokenizer, void (*xDestroy)(void*) ); @@ -13351,7 +13406,7 @@ struct fts5_api { int (*xFindTokenizer)( fts5_api *pApi, const char *zName, - void **ppContext, + void **ppUserData, fts5_tokenizer *pTokenizer ); @@ -13359,7 +13414,7 @@ struct fts5_api { int (*xCreateFunction)( fts5_api *pApi, const char *zName, - void *pContext, + void *pUserData, fts5_extension_function xFunction, void (*xDestroy)(void*) ); @@ -13470,7 +13525,7 @@ struct fts5_api { ** level of recursion for each term. A stack overflow can result ** if the number of terms is too large. In practice, most SQL ** never has more than 3 or 4 terms. Use a value of 0 to disable -** any limit on the number of terms in a compount SELECT. +** any limit on the number of terms in a compound SELECT. */ #ifndef SQLITE_MAX_COMPOUND_SELECT # define SQLITE_MAX_COMPOUND_SELECT 500 @@ -14573,8 +14628,31 @@ typedef INT16_TYPE LogEst; ** the end of buffer S. This macro returns true if P points to something ** contained within the buffer S. */ -#define SQLITE_WITHIN(P,S,E) (((uptr)(P)>=(uptr)(S))&&((uptr)(P)<(uptr)(E))) +#define SQLITE_WITHIN(P,S,E) (((uptr)(P)>=(uptr)(S))&&((uptr)(P)<(uptr)(E))) +/* +** P is one byte past the end of a large buffer. Return true if a span of bytes +** between S..E crosses the end of that buffer. In other words, return true +** if the sub-buffer S..E-1 overflows the buffer whose last byte is P-1. +** +** S is the start of the span. E is one byte past the end of end of span. +** +** P +** |-----------------| FALSE +** |-------| +** S E +** +** P +** |-----------------| +** |-------| TRUE +** S E +** +** P +** |-----------------| +** |-------| FALSE +** S E +*/ +#define SQLITE_OVERFLOW(P,S,E) (((uptr)(S)<(uptr)(P))&&((uptr)(E)>(uptr)(P))) /* ** Macros to determine whether the machine is big or little endian, @@ -14808,7 +14886,7 @@ struct BusyHandler { /* ** Name of table that holds the database schema. ** -** The PREFERRED names are used whereever possible. But LEGACY is also +** The PREFERRED names are used wherever possible. But LEGACY is also ** used for backwards compatibility. ** ** 1. Queries can use either the PREFERRED or the LEGACY names @@ -14922,6 +15000,7 @@ typedef struct Schema Schema; typedef struct Expr Expr; typedef struct ExprList ExprList; typedef struct FKey FKey; +typedef struct FpDecode FpDecode; typedef struct FuncDestructor FuncDestructor; typedef struct FuncDef FuncDef; typedef struct FuncDefHash FuncDefHash; @@ -14940,6 +15019,7 @@ typedef struct Parse Parse; typedef struct ParseCleanup ParseCleanup; typedef struct PreUpdate PreUpdate; typedef struct PrintfArguments PrintfArguments; +typedef struct RCStr RCStr; typedef struct RenameToken RenameToken; typedef struct Returning Returning; typedef struct RowSet RowSet; @@ -15577,6 +15657,10 @@ SQLITE_PRIVATE void sqlite3PagerRefdump(Pager*); # define enable_simulated_io_errors() #endif +#if defined(SQLITE_USE_SEH) && !defined(SQLITE_OMIT_WAL) +SQLITE_PRIVATE int sqlite3PagerWalSystemErrno(Pager*); +#endif + #endif /* SQLITE_PAGER_H */ /************** End of pager.h ***********************************************/ @@ -15906,9 +15990,7 @@ SQLITE_PRIVATE int sqlite3BtreePrevious(BtCursor*, int flags); SQLITE_PRIVATE i64 sqlite3BtreeIntegerKey(BtCursor*); SQLITE_PRIVATE void sqlite3BtreeCursorPin(BtCursor*); SQLITE_PRIVATE void sqlite3BtreeCursorUnpin(BtCursor*); -#ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC SQLITE_PRIVATE i64 sqlite3BtreeOffset(BtCursor*); -#endif SQLITE_PRIVATE int sqlite3BtreePayload(BtCursor*, u32 offset, u32 amt, void*); SQLITE_PRIVATE const void *sqlite3BtreePayloadFetch(BtCursor*, u32 *pAmt); SQLITE_PRIVATE u32 sqlite3BtreePayloadSize(BtCursor*); @@ -16383,7 +16465,7 @@ typedef struct VdbeOpList VdbeOpList; /* 8 */ 0x01, 0x01, 0x01, 0x01, 0x03, 0x03, 0x01, 0x01,\ /* 16 */ 0x03, 0x03, 0x01, 0x12, 0x01, 0x49, 0x49, 0x49,\ /* 24 */ 0x49, 0x01, 0x49, 0x49, 0x49, 0x49, 0x49, 0x49,\ -/* 32 */ 0x41, 0x01, 0x01, 0x01, 0x41, 0x01, 0x41, 0x41,\ +/* 32 */ 0x41, 0x01, 0x41, 0x41, 0x41, 0x01, 0x41, 0x41,\ /* 40 */ 0x41, 0x41, 0x41, 0x26, 0x26, 0x41, 0x23, 0x0b,\ /* 48 */ 0x01, 0x01, 0x03, 0x03, 0x0b, 0x0b, 0x0b, 0x0b,\ /* 56 */ 0x0b, 0x0b, 0x01, 0x03, 0x03, 0x03, 0x01, 0x41,\ @@ -16395,7 +16477,7 @@ typedef struct VdbeOpList VdbeOpList; /* 104 */ 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26,\ /* 112 */ 0x40, 0x00, 0x12, 0x40, 0x40, 0x10, 0x40, 0x00,\ /* 120 */ 0x00, 0x00, 0x40, 0x00, 0x40, 0x40, 0x10, 0x10,\ -/* 128 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50,\ +/* 128 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x50,\ /* 136 */ 0x00, 0x40, 0x04, 0x04, 0x00, 0x40, 0x50, 0x40,\ /* 144 */ 0x10, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00,\ /* 152 */ 0x00, 0x10, 0x00, 0x00, 0x06, 0x10, 0x00, 0x04,\ @@ -16577,7 +16659,7 @@ SQLITE_PRIVATE void sqlite3VdbeNoopComment(Vdbe*, const char*, ...); ** The VdbeCoverage macros are used to set a coverage testing point ** for VDBE branch instructions. The coverage testing points are line ** numbers in the sqlite3.c source file. VDBE branch coverage testing -** only works with an amalagmation build. That's ok since a VDBE branch +** only works with an amalgamation build. That's ok since a VDBE branch ** coverage build designed for testing the test suite only. No application ** should ever ship with VDBE branch coverage measuring turned on. ** @@ -16595,7 +16677,7 @@ SQLITE_PRIVATE void sqlite3VdbeNoopComment(Vdbe*, const char*, ...); ** // NULL option is not possible ** ** VdbeCoverageEqNe(v) // Previous OP_Jump is only interested -** // in distingishing equal and not-equal. +** // in distinguishing equal and not-equal. ** ** Every VDBE branch operation must be tagged with one of the macros above. ** If not, then when "make test" is run with -DSQLITE_VDBE_COVERAGE and @@ -16605,7 +16687,7 @@ SQLITE_PRIVATE void sqlite3VdbeNoopComment(Vdbe*, const char*, ...); ** During testing, the test application will invoke ** sqlite3_test_control(SQLITE_TESTCTRL_VDBE_COVERAGE,...) to set a callback ** routine that is invoked as each bytecode branch is taken. The callback -** contains the sqlite3.c source line number ov the VdbeCoverage macro and +** contains the sqlite3.c source line number of the VdbeCoverage macro and ** flags to indicate whether or not the branch was taken. The test application ** is responsible for keeping track of this and reporting byte-code branches ** that are never taken. @@ -16944,7 +17026,7 @@ SQLITE_API int sqlite3_mutex_held(sqlite3_mutex*); /* ** Default synchronous levels. ** -** Note that (for historcal reasons) the PAGER_SYNCHRONOUS_* macros differ +** Note that (for historical reasons) the PAGER_SYNCHRONOUS_* macros differ ** from the SQLITE_DEFAULT_SYNCHRONOUS value by 1. ** ** PAGER_SYNCHRONOUS DEFAULT_SYNCHRONOUS @@ -16983,7 +17065,7 @@ struct Db { ** An instance of the following structure stores a database schema. ** ** Most Schema objects are associated with a Btree. The exception is -** the Schema for the TEMP databaes (sqlite3.aDb[1]) which is free-standing. +** the Schema for the TEMP database (sqlite3.aDb[1]) which is free-standing. ** In shared cache mode, a single Schema object can be shared by multiple ** Btrees that refer to the same underlying BtShared object. ** @@ -17094,7 +17176,7 @@ struct Lookaside { LookasideSlot *pInit; /* List of buffers not previously used */ LookasideSlot *pFree; /* List of available buffers */ #ifndef SQLITE_OMIT_TWOSIZE_LOOKASIDE - LookasideSlot *pSmallInit; /* List of small buffers not prediously used */ + LookasideSlot *pSmallInit; /* List of small buffers not previously used */ LookasideSlot *pSmallFree; /* List of available small buffers */ void *pMiddle; /* First byte past end of full-size buffers and ** the first byte of LOOKASIDE_SMALL buffers */ @@ -17111,7 +17193,7 @@ struct LookasideSlot { #define EnableLookaside db->lookaside.bDisable--;\ db->lookaside.sz=db->lookaside.bDisable?0:db->lookaside.szTrue -/* Size of the smaller allocations in two-size lookside */ +/* Size of the smaller allocations in two-size lookaside */ #ifdef SQLITE_OMIT_TWOSIZE_LOOKASIDE # define LOOKASIDE_SMALL 0 #else @@ -17450,6 +17532,7 @@ struct sqlite3 { #define SQLITE_IndexedExpr 0x01000000 /* Pull exprs from index when able */ #define SQLITE_Coroutines 0x02000000 /* Co-routines for subqueries */ #define SQLITE_NullUnusedCols 0x04000000 /* NULL unused columns in subqueries */ +#define SQLITE_OnePass 0x08000000 /* Single-pass DELETE and UPDATE */ #define SQLITE_AllOpts 0xffffffff /* All optimizations */ /* @@ -17532,6 +17615,7 @@ struct FuncDestructor { ** SQLITE_FUNC_ANYORDER == NC_OrderAgg == SF_OrderByReqd ** SQLITE_FUNC_LENGTH == OPFLAG_LENGTHARG ** SQLITE_FUNC_TYPEOF == OPFLAG_TYPEOFARG +** SQLITE_FUNC_BYTELEN == OPFLAG_BYTELENARG ** SQLITE_FUNC_CONSTANT == SQLITE_DETERMINISTIC from the API ** SQLITE_FUNC_DIRECT == SQLITE_DIRECTONLY from the API ** SQLITE_FUNC_UNSAFE == SQLITE_INNOCUOUS -- opposite meanings!!! @@ -17539,7 +17623,7 @@ struct FuncDestructor { ** ** Note that even though SQLITE_FUNC_UNSAFE and SQLITE_INNOCUOUS have the ** same bit value, their meanings are inverted. SQLITE_FUNC_UNSAFE is -** used internally and if set means tha the function has side effects. +** used internally and if set means that the function has side effects. ** SQLITE_INNOCUOUS is used by application code and means "not unsafe". ** See multiple instances of tag-20230109-1. */ @@ -17550,6 +17634,7 @@ struct FuncDestructor { #define SQLITE_FUNC_NEEDCOLL 0x0020 /* sqlite3GetFuncCollSeq() might be called*/ #define SQLITE_FUNC_LENGTH 0x0040 /* Built-in length() function */ #define SQLITE_FUNC_TYPEOF 0x0080 /* Built-in typeof() function */ +#define SQLITE_FUNC_BYTELEN 0x00c0 /* Built-in octet_length() function */ #define SQLITE_FUNC_COUNT 0x0100 /* Built-in count(*) aggregate */ /* 0x0200 -- available for reuse */ #define SQLITE_FUNC_UNLIKELY 0x0400 /* Built-in unlikely() function */ @@ -18129,7 +18214,7 @@ struct FKey { ** foreign key. ** ** The OE_Default value is a place holder that means to use whatever -** conflict resolution algorthm is required from context. +** conflict resolution algorithm is required from context. ** ** The following symbolic values are used to record which type ** of conflict resolution action to take. @@ -18543,7 +18628,7 @@ struct Expr { ** TK_REGISTER: register number ** TK_TRIGGER: 1 -> new, 0 -> old ** EP_Unlikely: 134217728 times likelihood - ** TK_IN: ephemerial table holding RHS + ** TK_IN: ephemeral table holding RHS ** TK_SELECT_COLUMN: Number of columns on the LHS ** TK_SELECT: 1st register of result vector */ ynVar iColumn; /* TK_COLUMN: column index. -1 for rowid. @@ -18625,6 +18710,8 @@ struct Expr { */ #define ExprUseUToken(E) (((E)->flags&EP_IntValue)==0) #define ExprUseUValue(E) (((E)->flags&EP_IntValue)!=0) +#define ExprUseWOfst(E) (((E)->flags&(EP_InnerON|EP_OuterON))==0) +#define ExprUseWJoin(E) (((E)->flags&(EP_InnerON|EP_OuterON))!=0) #define ExprUseXList(E) (((E)->flags&EP_xIsSelect)==0) #define ExprUseXSelect(E) (((E)->flags&EP_xIsSelect)!=0) #define ExprUseYTab(E) (((E)->flags&(EP_WinFunc|EP_Subrtn))==0) @@ -18813,7 +18900,7 @@ struct SrcItem { unsigned notCte :1; /* This item may not match a CTE */ unsigned isUsing :1; /* u3.pUsing is valid */ unsigned isOn :1; /* u3.pOn was once valid and non-NULL */ - unsigned isSynthUsing :1; /* u3.pUsing is synthensized from NATURAL */ + unsigned isSynthUsing :1; /* u3.pUsing is synthesized from NATURAL */ unsigned isNestedFrom :1; /* pSelect is a SF_NestedFrom subquery */ } fg; int iCursor; /* The VDBE cursor number used to access this table */ @@ -19349,6 +19436,9 @@ struct Parse { int regRoot; /* Register holding root page number for new objects */ int nMaxArg; /* Max args passed to user function by sub-program */ int nSelect; /* Number of SELECT stmts. Counter for Select.selId */ +#ifndef SQLITE_OMIT_PROGRESS_CALLBACK + u32 nProgressSteps; /* xProgress steps taken during sqlite3_prepare() */ +#endif #ifndef SQLITE_OMIT_SHARED_CACHE int nTableLock; /* Number of locks in aTableLock */ TableLock *aTableLock; /* Required table locks for shared-cache mode */ @@ -19362,12 +19452,9 @@ struct Parse { int addrCrTab; /* Address of OP_CreateBtree on CREATE TABLE */ Returning *pReturning; /* The RETURNING clause */ } u1; - u32 nQueryLoop; /* Est number of iterations of a query (10*log2(N)) */ u32 oldmask; /* Mask of old.* columns referenced */ u32 newmask; /* Mask of new.* columns referenced */ -#ifndef SQLITE_OMIT_PROGRESS_CALLBACK - u32 nProgressSteps; /* xProgress steps taken during sqlite3_prepare() */ -#endif + LogEst nQueryLoop; /* Est number of iterations of a query (10*log2(N)) */ u8 eTriggerOp; /* TK_UPDATE, TK_INSERT or TK_DELETE */ u8 bReturning; /* Coding a RETURNING trigger */ u8 eOrconf; /* Default ON CONFLICT policy for trigger steps */ @@ -19491,6 +19578,7 @@ struct AuthContext { #define OPFLAG_ISNOOP 0x40 /* OP_Delete does pre-update-hook only */ #define OPFLAG_LENGTHARG 0x40 /* OP_Column only used for length() */ #define OPFLAG_TYPEOFARG 0x80 /* OP_Column only used for typeof() */ +#define OPFLAG_BYTELENARG 0xc0 /* OP_Column only for octet_length() */ #define OPFLAG_BULKCSR 0x01 /* OP_Open** used to open bulk cursor */ #define OPFLAG_SEEKEQ 0x02 /* OP_Open** cursor uses EQ seek only */ #define OPFLAG_FORDELETE 0x08 /* OP_Open should use BTREE_FORDELETE */ @@ -19633,6 +19721,25 @@ struct sqlite3_str { #define isMalloced(X) (((X)->printfFlags & SQLITE_PRINTF_MALLOCED)!=0) +/* +** The following object is the header for an "RCStr" or "reference-counted +** string". An RCStr is passed around and used like any other char* +** that has been dynamically allocated. The important interface +** differences: +** +** 1. RCStr strings are reference counted. They are deallocated +** when the reference count reaches zero. +** +** 2. Use sqlite3RCStrUnref() to free an RCStr string rather than +** sqlite3_free() +** +** 3. Make a (read-only) copy of a read-only RCStr string using +** sqlite3RCStrRef(). +*/ +struct RCStr { + u64 nRCRef; /* Number of references */ + /* Total structure size should be a multiple of 8 bytes for alignment */ +}; /* ** A pointer to this structure is used to communicate information @@ -19659,7 +19766,7 @@ typedef struct { /* Tuning parameters are set using SQLITE_TESTCTRL_TUNE and are controlled ** on debug-builds of the CLI using ".testctrl tune ID VALUE". Tuning ** parameters are for temporary use during development, to help find -** optimial values for parameters in the query planner. The should not +** optimal values for parameters in the query planner. The should not ** be used on trunk check-ins. They are a temporary mechanism available ** for transient development builds only. ** @@ -19685,6 +19792,7 @@ struct Sqlite3Config { u8 bUseCis; /* Use covering indices for full-scans */ u8 bSmallMalloc; /* Avoid large memory allocations if true */ u8 bExtraSchemaChecks; /* Verify type,name,tbl_name in schema */ + u8 bUseLongDouble; /* Make use of long double */ int mxStrlen; /* Maximum string length */ int neverCorrupt; /* Database is always well-formed */ int szLookaside; /* Default lookaside buffer size */ @@ -19771,6 +19879,7 @@ struct Walker { void (*xSelectCallback2)(Walker*,Select*);/* Second callback for SELECTs */ int walkerDepth; /* Number of subqueries */ u16 eCode; /* A small processing code */ + u16 mWFlags; /* Use-dependent flags */ union { /* Extra data for callback */ NameContext *pNC; /* Naming context */ int n; /* A counter */ @@ -19810,6 +19919,7 @@ struct DbFixer { /* Forward declarations */ SQLITE_PRIVATE int sqlite3WalkExpr(Walker*, Expr*); +SQLITE_PRIVATE int sqlite3WalkExprNN(Walker*, Expr*); SQLITE_PRIVATE int sqlite3WalkExprList(Walker*, ExprList*); SQLITE_PRIVATE int sqlite3WalkSelect(Walker*, Select*); SQLITE_PRIVATE int sqlite3WalkSelectExpr(Walker*, Select*); @@ -20191,6 +20301,20 @@ struct PrintfArguments { sqlite3_value **apArg; /* The argument values */ }; +/* +** An instance of this object receives the decoding of a floating point +** value into an approximate decimal representation. +*/ +struct FpDecode { + char sign; /* '+' or '-' */ + char isSpecial; /* 1: Infinity 2: NaN */ + int n; /* Significant digits in the decode */ + int iDP; /* Location of the decimal point */ + char *z; /* Start of significant digits */ + char zBuf[24]; /* Storage for significant digits */ +}; + +SQLITE_PRIVATE void sqlite3FpDecode(FpDecode*,double,int,int); SQLITE_PRIVATE char *sqlite3MPrintf(sqlite3*,const char*, ...); SQLITE_PRIVATE char *sqlite3VMPrintf(sqlite3*,const char*, va_list); #if defined(SQLITE_DEBUG) || defined(SQLITE_HAVE_OS_TRACE) @@ -20481,7 +20605,7 @@ SQLITE_PRIVATE int sqlite3ExprCompare(const Parse*,const Expr*,const Expr*, int) SQLITE_PRIVATE int sqlite3ExprCompareSkip(Expr*,Expr*,int); SQLITE_PRIVATE int sqlite3ExprListCompare(const ExprList*,const ExprList*, int); SQLITE_PRIVATE int sqlite3ExprImpliesExpr(const Parse*,const Expr*,const Expr*, int); -SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr*,int); +SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr*,int,int); SQLITE_PRIVATE void sqlite3AggInfoPersistWalkerInit(Walker*,Parse*); SQLITE_PRIVATE void sqlite3ExprAnalyzeAggregates(NameContext*, Expr*); SQLITE_PRIVATE void sqlite3ExprAnalyzeAggList(NameContext*,ExprList*); @@ -20630,6 +20754,7 @@ SQLITE_PRIVATE int sqlite3FixSrcList(DbFixer*, SrcList*); SQLITE_PRIVATE int sqlite3FixSelect(DbFixer*, Select*); SQLITE_PRIVATE int sqlite3FixExpr(DbFixer*, Expr*); SQLITE_PRIVATE int sqlite3FixTriggerStep(DbFixer*, TriggerStep*); + SQLITE_PRIVATE int sqlite3RealSameAsInt(double,sqlite3_int64); SQLITE_PRIVATE i64 sqlite3RealToI64(double); SQLITE_PRIVATE int sqlite3Int64ToText(i64,char*); @@ -20734,6 +20859,7 @@ SQLITE_PRIVATE void sqlite3FileSuffix3(const char*, char*); SQLITE_PRIVATE u8 sqlite3GetBoolean(const char *z,u8); SQLITE_PRIVATE const void *sqlite3ValueText(sqlite3_value*, u8); +SQLITE_PRIVATE int sqlite3ValueIsOfClass(const sqlite3_value*, void(*)(void*)); SQLITE_PRIVATE int sqlite3ValueBytes(sqlite3_value*, u8); SQLITE_PRIVATE void sqlite3ValueSetStr(sqlite3_value*, int, const void *,u8, void(*)(void*)); @@ -20841,6 +20967,11 @@ SQLITE_PRIVATE void sqlite3OomClear(sqlite3*); SQLITE_PRIVATE int sqlite3ApiExit(sqlite3 *db, int); SQLITE_PRIVATE int sqlite3OpenTempDatabase(Parse *); +SQLITE_PRIVATE char *sqlite3RCStrRef(char*); +SQLITE_PRIVATE void sqlite3RCStrUnref(char*); +SQLITE_PRIVATE char *sqlite3RCStrNew(u64); +SQLITE_PRIVATE char *sqlite3RCStrResize(char*,u64); + SQLITE_PRIVATE void sqlite3StrAccumInit(StrAccum*, sqlite3*, char*, int, int); SQLITE_PRIVATE int sqlite3StrAccumEnlarge(StrAccum*, i64); SQLITE_PRIVATE char *sqlite3StrAccumFinish(StrAccum*); @@ -21092,6 +21223,7 @@ SQLITE_PRIVATE int sqlite3ExprCheckHeight(Parse*, int); #define sqlite3SelectExprHeight(x) 0 #define sqlite3ExprCheckHeight(x,y) #endif +SQLITE_PRIVATE void sqlite3ExprSetErrorOffset(Expr*,int); SQLITE_PRIVATE u32 sqlite3Get4byte(const u8*); SQLITE_PRIVATE void sqlite3Put4byte(u8*, u32); @@ -21377,9 +21509,6 @@ static const char * const sqlite3azCompileOpt[] = { #ifdef SQLITE_4_BYTE_ALIGNED_MALLOC "4_BYTE_ALIGNED_MALLOC", #endif -#ifdef SQLITE_64BIT_STATS - "64BIT_STATS", -#endif #ifdef SQLITE_ALLOW_COVERING_INDEX_SCAN # if SQLITE_ALLOW_COVERING_INDEX_SCAN != 1 "ALLOW_COVERING_INDEX_SCAN=" CTIMEOPT_VAL(SQLITE_ALLOW_COVERING_INDEX_SCAN), @@ -21716,6 +21845,9 @@ static const char * const sqlite3azCompileOpt[] = { #ifdef SQLITE_INTEGRITY_CHECK_ERROR_MAX "INTEGRITY_CHECK_ERROR_MAX=" CTIMEOPT_VAL(SQLITE_INTEGRITY_CHECK_ERROR_MAX), #endif +#ifdef SQLITE_LEGACY_JSON_VALID + "LEGACY_JSON_VALID", +#endif #ifdef SQLITE_LIKE_DOESNT_MATCH_BLOBS "LIKE_DOESNT_MATCH_BLOBS", #endif @@ -22350,6 +22482,7 @@ SQLITE_PRIVATE SQLITE_WSD struct Sqlite3Config sqlite3Config = { SQLITE_ALLOW_COVERING_INDEX_SCAN, /* bUseCis */ 0, /* bSmallMalloc */ 1, /* bExtraSchemaChecks */ + sizeof(LONGDOUBLE_TYPE)>8, /* bUseLongDouble */ 0x7ffffffe, /* mxStrlen */ 0, /* neverCorrupt */ SQLITE_DEFAULT_LOOKASIDE, /* szLookaside, nLookaside */ @@ -22579,6 +22712,9 @@ typedef struct VdbeSorter VdbeSorter; /* Elements of the linked list at Vdbe.pAuxData */ typedef struct AuxData AuxData; +/* A cache of large TEXT or BLOB values in a VdbeCursor */ +typedef struct VdbeTxtBlbCache VdbeTxtBlbCache; + /* Types of VDBE cursors */ #define CURTYPE_BTREE 0 #define CURTYPE_SORTER 1 @@ -22610,6 +22746,7 @@ struct VdbeCursor { Bool useRandomRowid:1; /* Generate new record numbers semi-randomly */ Bool isOrdered:1; /* True if the table is not BTREE_UNORDERED */ Bool noReuse:1; /* OpenEphemeral may not reuse this cursor */ + Bool colCache:1; /* pCache pointer is initialized and non-NULL */ u16 seekHit; /* See the OP_SeekHit and OP_IfNoHope opcodes */ union { /* pBtx for isEphermeral. pAltMap otherwise */ Btree *pBtx; /* Separate file holding temporary table */ @@ -22650,6 +22787,7 @@ struct VdbeCursor { #ifdef SQLITE_ENABLE_COLUMN_USED_MASK u64 maskUsed; /* Mask of columns used by this cursor */ #endif + VdbeTxtBlbCache *pCache; /* Cache of large TEXT or BLOB values */ /* 2*nField extra array elements allocated for aType[], beyond the one ** static element declared in the structure. nField total array slots for @@ -22662,12 +22800,25 @@ struct VdbeCursor { #define IsNullCursor(P) \ ((P)->eCurType==CURTYPE_PSEUDO && (P)->nullRow && (P)->seekResult==0) - /* ** A value for VdbeCursor.cacheStatus that means the cache is always invalid. */ #define CACHE_STALE 0 +/* +** Large TEXT or BLOB values can be slow to load, so we want to avoid +** loading them more than once. For that reason, large TEXT and BLOB values +** can be stored in a cache defined by this object, and attached to the +** VdbeCursor using the pCache field. +*/ +struct VdbeTxtBlbCache { + char *pCValue; /* A RCStr buffer to hold the value */ + i64 iOffset; /* File offset of the row being cached */ + int iCol; /* Column for which the cache is valid */ + u32 cacheStatus; /* Vdbe.cacheCtr value */ + u32 colCacheCtr; /* Column cache counter */ +}; + /* ** When a sub-program is executed (OP_Program), a structure of this type ** is allocated to store the current value of the program counter, as @@ -22988,16 +23139,18 @@ struct Vdbe { u32 nWrite; /* Number of write operations that have occurred */ #endif u16 nResColumn; /* Number of columns in one row of the result set */ + u16 nResAlloc; /* Column slots allocated to aColName[] */ u8 errorAction; /* Recovery action to do in case of an error */ u8 minWriteFileFormat; /* Minimum file format for writable database files */ u8 prepFlags; /* SQLITE_PREPARE_* flags */ u8 eVdbeState; /* On of the VDBE_*_STATE values */ bft expired:2; /* 1: recompile VM immediately 2: when convenient */ - bft explain:2; /* True if EXPLAIN present on SQL command */ + bft explain:2; /* 0: normal, 1: EXPLAIN, 2: EXPLAIN QUERY PLAN */ bft changeCntOn:1; /* True to update the change-counter */ bft usesStmtJournal:1; /* True if uses a statement journal */ bft readOnly:1; /* True for statements that do not write */ bft bIsReader:1; /* True for statements that read */ + bft haveEqpOps:1; /* Bytecode supports EXPLAIN QUERY PLAN */ yDbMask btreeMask; /* Bitmask of db->aDb[] entries referenced */ yDbMask lockMask; /* Subset of btreeMask that requires a lock */ u32 aCounter[9]; /* Counters used by sqlite3_stmt_status() */ @@ -23044,7 +23197,7 @@ struct PreUpdate { i64 iKey1; /* First key value passed to hook */ i64 iKey2; /* Second key value passed to hook */ Mem *aNew; /* Array of new.* values */ - Table *pTab; /* Schema object being upated */ + Table *pTab; /* Schema object being updated */ Index *pPk; /* PK index if pTab is WITHOUT ROWID */ }; @@ -23134,6 +23287,7 @@ SQLITE_PRIVATE int sqlite3VdbeMemSetZeroBlob(Mem*,int); SQLITE_PRIVATE int sqlite3VdbeMemIsRowSet(const Mem*); #endif SQLITE_PRIVATE int sqlite3VdbeMemSetRowSet(Mem*); +SQLITE_PRIVATE void sqlite3VdbeMemZeroTerminateIfAble(Mem*); SQLITE_PRIVATE int sqlite3VdbeMemMakeWriteable(Mem*); SQLITE_PRIVATE int sqlite3VdbeMemStringify(Mem*, u8, u8); SQLITE_PRIVATE int sqlite3IntFloatCompare(i64,double); @@ -23730,8 +23884,8 @@ struct DateTime { */ static int getDigits(const char *zDate, const char *zFormat, ...){ /* The aMx[] array translates the 3rd character of each format - ** spec into a max size: a b c d e f */ - static const u16 aMx[] = { 12, 14, 24, 31, 59, 9999 }; + ** spec into a max size: a b c d e f */ + static const u16 aMx[] = { 12, 14, 24, 31, 59, 14712 }; va_list ap; int cnt = 0; char nextC; @@ -24072,17 +24226,14 @@ static void computeYMD(DateTime *p){ ** Compute the Hour, Minute, and Seconds from the julian day number. */ static void computeHMS(DateTime *p){ - int s; + int day_ms, day_min; /* milliseconds, minutes into the day */ if( p->validHMS ) return; computeJD(p); - s = (int)((p->iJD + 43200000) % 86400000); - p->s = s/1000.0; - s = (int)p->s; - p->s -= s; - p->h = s/3600; - s -= p->h*3600; - p->m = s/60; - p->s += s - p->m*60; + day_ms = (int)((p->iJD + 43200000) % 86400000); + p->s = (day_ms % 60000)/1000.0; + day_min = day_ms/60000; + p->m = day_min % 60; + p->h = day_min / 60; p->rawS = 0; p->validHMS = 1; } @@ -24261,6 +24412,25 @@ static const struct { { 4, "year", 14713.0, 31536000.0 }, }; +/* +** If the DateTime p is raw number, try to figure out if it is +** a julian day number of a unix timestamp. Set the p value +** appropriately. +*/ +static void autoAdjustDate(DateTime *p){ + if( !p->rawS || p->validJD ){ + p->rawS = 0; + }else if( p->s>=-21086676*(i64)10000 /* -4713-11-24 12:00:00 */ + && p->s<=(25340230*(i64)10000)+799 /* 9999-12-31 23:59:59 */ + ){ + double r = p->s*1000.0 + 210866760000000.0; + clearYMD_HMS_TZ(p); + p->iJD = (sqlite3_int64)(r + 0.5); + p->validJD = 1; + p->rawS = 0; + } +} + /* ** Process a modifier to a date-time stamp. The modifiers are ** as follows: @@ -24304,19 +24474,8 @@ static int parseModifier( */ if( sqlite3_stricmp(z, "auto")==0 ){ if( idx>1 ) return 1; /* IMP: R-33611-57934 */ - if( !p->rawS || p->validJD ){ - rc = 0; - p->rawS = 0; - }else if( p->s>=-21086676*(i64)10000 /* -4713-11-24 12:00:00 */ - && p->s<=(25340230*(i64)10000)+799 /* 9999-12-31 23:59:59 */ - ){ - r = p->s*1000.0 + 210866760000000.0; - clearYMD_HMS_TZ(p); - p->iJD = (sqlite3_int64)(r + 0.5); - p->validJD = 1; - p->rawS = 0; - rc = 0; - } + autoAdjustDate(p); + rc = 0; } break; } @@ -24482,18 +24641,73 @@ static int parseModifier( case '9': { double rRounder; int i; - for(n=1; z[n] && z[n]!=':' && !sqlite3Isspace(z[n]); n++){} + int Y,M,D,h,m,x; + const char *z2 = z; + char z0 = z[0]; + for(n=1; z[n]; n++){ + if( z[n]==':' ) break; + if( sqlite3Isspace(z[n]) ) break; + if( z[n]=='-' ){ + if( n==5 && getDigits(&z[1], "40f", &Y)==1 ) break; + if( n==6 && getDigits(&z[1], "50f", &Y)==1 ) break; + } + } if( sqlite3AtoF(z, &r, n, SQLITE_UTF8)<=0 ){ - rc = 1; + assert( rc==1 ); break; } - if( z[n]==':' ){ + if( z[n]=='-' ){ + /* A modifier of the form (+|-)YYYY-MM-DD adds or subtracts the + ** specified number of years, months, and days. MM is limited to + ** the range 0-11 and DD is limited to 0-30. + */ + if( z0!='+' && z0!='-' ) break; /* Must start with +/- */ + if( n==5 ){ + if( getDigits(&z[1], "40f-20a-20d", &Y, &M, &D)!=3 ) break; + }else{ + assert( n==6 ); + if( getDigits(&z[1], "50f-20a-20d", &Y, &M, &D)!=3 ) break; + z++; + } + if( M>=12 ) break; /* M range 0..11 */ + if( D>=31 ) break; /* D range 0..30 */ + computeYMD_HMS(p); + p->validJD = 0; + if( z0=='-' ){ + p->Y -= Y; + p->M -= M; + D = -D; + }else{ + p->Y += Y; + p->M += M; + } + x = p->M>0 ? (p->M-1)/12 : (p->M-12)/12; + p->Y += x; + p->M -= x*12; + computeJD(p); + p->validHMS = 0; + p->validYMD = 0; + p->iJD += (i64)D*86400000; + if( z[11]==0 ){ + rc = 0; + break; + } + if( sqlite3Isspace(z[11]) + && getDigits(&z[12], "20c:20e", &h, &m)==2 + ){ + z2 = &z[12]; + n = 2; + }else{ + break; + } + } + if( z2[n]==':' ){ /* A modifier of the form (+|-)HH:MM:SS.FFF adds (or subtracts) the ** specified number of hours, minutes, seconds, and fractional seconds ** to the time. The ".FFF" may be omitted. The ":SS.FFF" may be ** omitted. */ - const char *z2 = z; + DateTime tx; sqlite3_int64 day; if( !sqlite3Isdigit(*z2) ) z2++; @@ -24503,7 +24717,7 @@ static int parseModifier( tx.iJD -= 43200000; day = tx.iJD/86400000; tx.iJD -= day*86400000; - if( z[0]=='-' ) tx.iJD = -tx.iJD; + if( z0=='-' ) tx.iJD = -tx.iJD; computeJD(p); clearYMD_HMS_TZ(p); p->iJD += tx.iJD; @@ -24519,7 +24733,7 @@ static int parseModifier( if( n>10 || n<3 ) break; if( sqlite3UpperToLower[(u8)z[n-1]]=='s' ) n--; computeJD(p); - rc = 1; + assert( rc==1 ); rRounder = r<0 ? -0.5 : +0.5; for(i=0; iM += (int)r; @@ -24687,7 +24900,7 @@ static void datetimeFunc( zBuf[16] = '0' + (x.m)%10; zBuf[17] = ':'; if( x.useSubsec ){ - s = (int)1000.0*x.s; + s = (int)(1000.0*x.s + 0.5); zBuf[18] = '0' + (s/10000)%10; zBuf[19] = '0' + (s/1000)%10; zBuf[20] = '.'; @@ -24734,7 +24947,7 @@ static void timeFunc( zBuf[4] = '0' + (x.m)%10; zBuf[5] = ':'; if( x.useSubsec ){ - s = (int)1000.0*x.s; + s = (int)(1000.0*x.s + 0.5); zBuf[6] = '0' + (s/10000)%10; zBuf[7] = '0' + (s/1000)%10; zBuf[8] = '.'; @@ -24805,7 +25018,7 @@ static void dateFunc( ** %M minute 00-59 ** %s seconds since 1970-01-01 ** %S seconds 00-59 -** %w day of week 0-6 sunday==0 +** %w day of week 0-6 Sunday==0 ** %W week of year 00-53 ** %Y year 0000-9999 ** %% % @@ -24945,6 +25158,117 @@ static void cdateFunc( dateFunc(context, 0, 0); } +/* +** timediff(DATE1, DATE2) +** +** Return the amount of time that must be added to DATE2 in order to +** convert it into DATE2. The time difference format is: +** +** +YYYY-MM-DD HH:MM:SS.SSS +** +** The initial "+" becomes "-" if DATE1 occurs before DATE2. For +** date/time values A and B, the following invariant should hold: +** +** datetime(A) == (datetime(B, timediff(A,B)) +** +** Both DATE arguments must be either a julian day number, or an +** ISO-8601 string. The unix timestamps are not supported by this +** routine. +*/ +static void timediffFunc( + sqlite3_context *context, + int NotUsed1, + sqlite3_value **argv +){ + char sign; + int Y, M; + DateTime d1, d2; + sqlite3_str sRes; + UNUSED_PARAMETER(NotUsed1); + if( isDate(context, 1, &argv[0], &d1) ) return; + if( isDate(context, 1, &argv[1], &d2) ) return; + computeYMD_HMS(&d1); + computeYMD_HMS(&d2); + if( d1.iJD>=d2.iJD ){ + sign = '+'; + Y = d1.Y - d2.Y; + if( Y ){ + d2.Y = d1.Y; + d2.validJD = 0; + computeJD(&d2); + } + M = d1.M - d2.M; + if( M<0 ){ + Y--; + M += 12; + } + if( M!=0 ){ + d2.M = d1.M; + d2.validJD = 0; + computeJD(&d2); + } + while( d1.iJDd2.iJD ){ + M--; + if( M<0 ){ + M = 11; + Y--; + } + d2.M++; + if( d2.M>12 ){ + d2.M = 1; + d2.Y++; + } + d2.validJD = 0; + computeJD(&d2); + } + d1.iJD = d2.iJD - d1.iJD; + d1.iJD += (u64)1486995408 * (u64)100000; + } + d1.validYMD = 0; + d1.validHMS = 0; + d1.validTZ = 0; + computeYMD_HMS(&d1); + sqlite3StrAccumInit(&sRes, 0, 0, 0, 100); + sqlite3_str_appendf(&sRes, "%c%04d-%02d-%02d %02d:%02d:%06.3f", + sign, Y, M, d1.D-1, d1.h, d1.m, d1.s); + sqlite3ResultStrAccum(context, &sRes); +} + + /* ** current_timestamp() ** @@ -25019,6 +25343,7 @@ SQLITE_PRIVATE void sqlite3RegisterDateTimeFunctions(void){ PURE_DATE(time, -1, 0, 0, timeFunc ), PURE_DATE(datetime, -1, 0, 0, datetimeFunc ), PURE_DATE(strftime, -1, 0, 0, strftimeFunc ), + PURE_DATE(timediff, 2, 0, 0, timediffFunc ), DFUNCTION(current_time, 0, 0, 0, ctimeFunc ), DFUNCTION(current_timestamp, 0, 0, 0, ctimestampFunc), DFUNCTION(current_date, 0, 0, 0, cdateFunc ), @@ -25172,7 +25497,7 @@ SQLITE_PRIVATE int sqlite3OsFileControl(sqlite3_file *id, int op, void *pArg){ /* Faults are not injected into COMMIT_PHASETWO because, assuming SQLite ** is using a regular VFS, it is called after the corresponding ** transaction has been committed. Injecting a fault at this point - ** confuses the test scripts - the COMMIT comand returns SQLITE_NOMEM + ** confuses the test scripts - the COMMIT command returns SQLITE_NOMEM ** but the transaction is committed anyway. ** ** The core must call OsFileControl() though, not OsFileControlHint(), @@ -25793,7 +26118,7 @@ static void *sqlite3MemMalloc(int nByte){ ** or sqlite3MemRealloc(). ** ** For this low-level routine, we already know that pPrior!=0 since -** cases where pPrior==0 will have been intecepted and dealt with +** cases where pPrior==0 will have been intercepted and dealt with ** by higher-level routines. */ static void sqlite3MemFree(void *pPrior){ @@ -25881,7 +26206,7 @@ static int sqlite3MemInit(void *NotUsed){ return SQLITE_OK; } len = sizeof(cpuCount); - /* One usually wants to use hw.acctivecpu for MT decisions, but not here */ + /* One usually wants to use hw.activecpu for MT decisions, but not here */ sysctlbyname("hw.ncpu", &cpuCount, &len, NULL, 0); if( cpuCount>1 ){ /* defer MT decisions to system malloc */ @@ -28348,7 +28673,7 @@ SQLITE_PRIVATE sqlite3_mutex_methods const *sqlite3DefaultMutex(void){ /* ** The sqlite3_mutex.id, sqlite3_mutex.nRef, and sqlite3_mutex.owner fields -** are necessary under two condidtions: (1) Debug builds and (2) using +** are necessary under two conditions: (1) Debug builds and (2) using ** home-grown mutexes. Encapsulate these conditions into a single #define. */ #if defined(SQLITE_DEBUG) || defined(SQLITE_HOMEGROWN_RECURSIVE_MUTEX) @@ -28849,7 +29174,7 @@ struct sqlite3_mutex { CRITICAL_SECTION mutex; /* Mutex controlling the lock */ int id; /* Mutex type */ #ifdef SQLITE_DEBUG - volatile int nRef; /* Number of enterances */ + volatile int nRef; /* Number of entrances */ volatile DWORD owner; /* Thread holding this mutex */ volatile LONG trace; /* True to trace changes */ #endif @@ -30221,57 +30546,6 @@ static const et_info fmtinfo[] = { ** %!S Like %S but prefer the zName over the zAlias */ -/* Floating point constants used for rounding */ -static const double arRound[] = { - 5.0e-01, 5.0e-02, 5.0e-03, 5.0e-04, 5.0e-05, - 5.0e-06, 5.0e-07, 5.0e-08, 5.0e-09, 5.0e-10, -}; - -/* -** If SQLITE_OMIT_FLOATING_POINT is defined, then none of the floating point -** conversions will work. -*/ -#ifndef SQLITE_OMIT_FLOATING_POINT -/* -** "*val" is a double such that 0.1 <= *val < 10.0 -** Return the ascii code for the leading digit of *val, then -** multiply "*val" by 10.0 to renormalize. -** -** Example: -** input: *val = 3.14159 -** output: *val = 1.4159 function return = '3' -** -** The counter *cnt is incremented each time. After counter exceeds -** 16 (the number of significant digits in a 64-bit float) '0' is -** always returned. -*/ -static char et_getdigit(LONGDOUBLE_TYPE *val, int *cnt){ - int digit; - LONGDOUBLE_TYPE d; - if( (*cnt)<=0 ) return '0'; - (*cnt)--; - digit = (int)*val; - d = digit; - digit += '0'; - *val = (*val - d)*10.0; - return (char)digit; -} -#endif /* SQLITE_OMIT_FLOATING_POINT */ - -#ifndef SQLITE_OMIT_FLOATING_POINT -/* -** "*val" is a u64. *msd is a divisor used to extract the -** most significant digit of *val. Extract that most significant -** digit and return it. -*/ -static char et_getdigit_int(u64 *val, u64 *msd){ - u64 x = (*val)/(*msd); - *val -= x*(*msd); - if( *msd>=10 ) *msd /= 10; - return '0' + (char)(x & 15); -} -#endif /* SQLITE_OMIT_FLOATING_POINT */ - /* ** Set the StrAccum object to an error mode. */ @@ -30363,20 +30637,15 @@ SQLITE_API void sqlite3_str_vappendf( u8 bArgList; /* True for SQLITE_PRINTF_SQLFUNC */ char prefix; /* Prefix character. "+" or "-" or " " or '\0'. */ sqlite_uint64 longvalue; /* Value for integer types */ - LONGDOUBLE_TYPE realvalue; /* Value for real types */ - sqlite_uint64 msd; /* Divisor to get most-significant-digit - ** of longvalue */ + double realvalue; /* Value for real types */ const et_info *infop; /* Pointer to the appropriate info structure */ char *zOut; /* Rendering buffer */ int nOut; /* Size of the rendering buffer */ char *zExtra = 0; /* Malloced memory used by some conversion */ -#ifndef SQLITE_OMIT_FLOATING_POINT - int exp, e2; /* exponent of real numbers */ - int nsd; /* Number of significant digits returned */ - double rounder; /* Used for rounding floating point values */ + int exp, e2; /* exponent of real numbers */ etByte flag_dp; /* True if decimal point should be shown */ etByte flag_rtz; /* True if trailing zeros should be removed */ -#endif + PrintfArguments *pArgList = 0; /* Arguments for SQLITE_PRINTF_SQLFUNC */ char buf[etBUFSIZE]; /* Conversion buffer */ @@ -30651,94 +30920,61 @@ SQLITE_API void sqlite3_str_vappendf( break; case etFLOAT: case etEXP: - case etGENERIC: + case etGENERIC: { + FpDecode s; + int iRound; + int j; + if( bArgList ){ realvalue = getDoubleArg(pArgList); }else{ realvalue = va_arg(ap,double); } -#ifdef SQLITE_OMIT_FLOATING_POINT - length = 0; -#else if( precision<0 ) precision = 6; /* Set default precision */ #ifdef SQLITE_FP_PRECISION_LIMIT if( precision>SQLITE_FP_PRECISION_LIMIT ){ precision = SQLITE_FP_PRECISION_LIMIT; } #endif - if( realvalue<0.0 ){ - realvalue = -realvalue; - prefix = '-'; + if( xtype==etFLOAT ){ + iRound = -precision; + }else if( xtype==etGENERIC ){ + iRound = precision; }else{ - prefix = flag_prefix; + iRound = precision+1; } - exp = 0; - if( xtype==etGENERIC && precision>0 ) precision--; - testcase( precision>0xfff ); - if( realvalue<1.0e+16 - && realvalue==(LONGDOUBLE_TYPE)(longvalue = (u64)realvalue) - ){ - /* Number is a pure integer that can be represented as u64 */ - for(msd=1; msd*10<=longvalue; msd *= 10, exp++){} - if( exp>precision && xtype!=etFLOAT ){ - u64 rnd = msd/2; - int kk = precision; - while( kk-- > 0 ){ rnd /= 10; } - longvalue += rnd; - } - }else{ - msd = 0; - longvalue = 0; /* To prevent a compiler warning */ - idx = precision & 0xfff; - rounder = arRound[idx%10]; - while( idx>=10 ){ rounder *= 1.0e-10; idx -= 10; } - if( xtype==etFLOAT ){ - double rx = (double)realvalue; - sqlite3_uint64 u; - int ex; - memcpy(&u, &rx, sizeof(u)); - ex = -1023 + (int)((u>>52)&0x7ff); - if( precision+(ex/3) < 15 ) rounder += realvalue*3e-16; - realvalue += rounder; - } - if( sqlite3IsNaN((double)realvalue) ){ - if( flag_zeropad ){ - bufpt = "null"; - length = 4; + sqlite3FpDecode(&s, realvalue, iRound, flag_altform2 ? 26 : 16); + if( s.isSpecial ){ + if( s.isSpecial==2 ){ + bufpt = flag_zeropad ? "null" : "NaN"; + length = sqlite3Strlen30(bufpt); + break; + }else if( flag_zeropad ){ + s.z[0] = '9'; + s.iDP = 1000; + s.n = 1; + }else{ + memcpy(buf, "-Inf", 5); + bufpt = buf; + if( s.sign=='-' ){ + /* no-op */ + }else if( flag_prefix ){ + buf[0] = flag_prefix; }else{ - bufpt = "NaN"; - length = 3; + bufpt++; } + length = sqlite3Strlen30(bufpt); break; } - - /* Normalize realvalue to within 10.0 > realvalue >= 1.0 */ - if( ALWAYS(realvalue>0.0) ){ - LONGDOUBLE_TYPE scale = 1.0; - while( realvalue>=1e100*scale && exp<=350){ scale*=1e100;exp+=100;} - while( realvalue>=1e10*scale && exp<=350 ){ scale*=1e10; exp+=10; } - while( realvalue>=10.0*scale && exp<=350 ){ scale *= 10.0; exp++; } - realvalue /= scale; - while( realvalue<1e-8 ){ realvalue *= 1e8; exp-=8; } - while( realvalue<1.0 ){ realvalue *= 10.0; exp--; } - if( exp>350 ){ - if( flag_zeropad ){ - realvalue = 9.0; - exp = 999; - }else{ - bufpt = buf; - buf[0] = prefix; - memcpy(buf+(prefix!=0),"Inf",4); - length = 3+(prefix!=0); - break; - } - } - if( xtype!=etFLOAT ){ - realvalue += rounder; - if( realvalue>=10.0 ){ realvalue *= 0.1; exp++; } - } - } } + if( s.sign=='-' ){ + prefix = '-'; + }else{ + prefix = flag_prefix; + } + + exp = s.iDP-1; + if( xtype==etGENERIC && precision>0 ) precision--; /* ** If the field type is etGENERIC, then convert to either etEXP @@ -30758,9 +30994,8 @@ SQLITE_API void sqlite3_str_vappendf( if( xtype==etEXP ){ e2 = 0; }else{ - e2 = exp; + e2 = s.iDP - 1; } - nsd = 16 + flag_altform2*10; bufpt = buf; { i64 szBufNeeded; /* Size of a temporary buffer needed */ @@ -30778,16 +31013,12 @@ SQLITE_API void sqlite3_str_vappendf( *(bufpt++) = prefix; } /* Digits prior to the decimal point */ + j = 0; if( e2<0 ){ *(bufpt++) = '0'; - }else if( msd>0 ){ - for(; e2>=0; e2--){ - *(bufpt++) = et_getdigit_int(&longvalue,&msd); - if( cThousand && (e2%3)==0 && e2>1 ) *(bufpt++) = ','; - } }else{ for(; e2>=0; e2--){ - *(bufpt++) = et_getdigit(&realvalue,&nsd); + *(bufpt++) = j1 ) *(bufpt++) = ','; } } @@ -30797,19 +31028,12 @@ SQLITE_API void sqlite3_str_vappendf( } /* "0" digits after the decimal point but before the first ** significant digit of the number */ - for(e2++; e2<0; precision--, e2++){ - assert( precision>0 ); + for(e2++; e2<0 && precision>0; precision--, e2++){ *(bufpt++) = '0'; } /* Significant digits after the decimal point */ - if( msd>0 ){ - while( (precision--)>0 ){ - *(bufpt++) = et_getdigit_int(&longvalue,&msd); - } - }else{ - while( (precision--)>0 ){ - *(bufpt++) = et_getdigit(&realvalue,&nsd); - } + while( (precision--)>0 ){ + *(bufpt++) = jcharset]; if( exp<0 ){ *(bufpt++) = '-'; exp = -exp; @@ -30858,8 +31083,8 @@ SQLITE_API void sqlite3_str_vappendf( while( nPad-- ) bufpt[i++] = '0'; length = width; } -#endif /* !defined(SQLITE_OMIT_FLOATING_POINT) */ break; + } case etSIZE: if( !bArgList ){ *(va_arg(ap,int*)) = pAccum->nChar; @@ -31583,6 +31808,75 @@ SQLITE_API void sqlite3_str_appendf(StrAccum *p, const char *zFormat, ...){ va_end(ap); } + +/***************************************************************************** +** Reference counted string storage +*****************************************************************************/ + +/* +** Increase the reference count of the string by one. +** +** The input parameter is returned. +*/ +SQLITE_PRIVATE char *sqlite3RCStrRef(char *z){ + RCStr *p = (RCStr*)z; + assert( p!=0 ); + p--; + p->nRCRef++; + return z; +} + +/* +** Decrease the reference count by one. Free the string when the +** reference count reaches zero. +*/ +SQLITE_PRIVATE void sqlite3RCStrUnref(char *z){ + RCStr *p = (RCStr*)z; + assert( p!=0 ); + p--; + assert( p->nRCRef>0 ); + if( p->nRCRef>=2 ){ + p->nRCRef--; + }else{ + sqlite3_free(p); + } +} + +/* +** Create a new string that is capable of holding N bytes of text, not counting +** the zero byte at the end. The string is uninitialized. +** +** The reference count is initially 1. Call sqlite3RCStrUnref() to free the +** newly allocated string. +** +** This routine returns 0 on an OOM. +*/ +SQLITE_PRIVATE char *sqlite3RCStrNew(u64 N){ + RCStr *p = sqlite3_malloc64( N + sizeof(*p) + 1 ); + if( p==0 ) return 0; + p->nRCRef = 1; + return (char*)&p[1]; +} + +/* +** Change the size of the string so that it is able to hold N bytes. +** The string might be reallocated, so return the new allocation. +*/ +SQLITE_PRIVATE char *sqlite3RCStrResize(char *z, u64 N){ + RCStr *p = (RCStr*)z; + RCStr *pNew; + assert( p!=0 ); + p--; + assert( p->nRCRef==1 ); + pNew = sqlite3_realloc64(p, N+sizeof(RCStr)+1); + if( pNew==0 ){ + sqlite3_free(p); + return 0; + }else{ + return (char*)&pNew[1]; + } +} + /************** End of printf.c **********************************************/ /************** Begin file treeview.c ****************************************/ /* @@ -32230,7 +32524,8 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m }; assert( pExpr->op2==TK_IS || pExpr->op2==TK_ISNOT ); assert( pExpr->pRight ); - assert( sqlite3ExprSkipCollate(pExpr->pRight)->op==TK_TRUEFALSE ); + assert( sqlite3ExprSkipCollateAndLikely(pExpr->pRight)->op + == TK_TRUEFALSE ); x = (pExpr->op2==TK_ISNOT)*2 + sqlite3ExprTruthValue(pExpr->pRight); zUniOp = azOp[x]; break; @@ -33889,7 +34184,7 @@ SQLITE_PRIVATE void sqlite3UtfSelfTest(void){ /* ** Calls to sqlite3FaultSim() are used to simulate a failure during testing, ** or to bypass normal error detection during testing in order to let -** execute proceed futher downstream. +** execute proceed further downstream. ** ** In deployment, sqlite3FaultSim() *always* return SQLITE_OK (0). The ** sqlite3FaultSim() function only returns non-zero during testing. @@ -34006,6 +34301,23 @@ SQLITE_PRIVATE void sqlite3ErrorClear(sqlite3 *db){ */ SQLITE_PRIVATE void sqlite3SystemError(sqlite3 *db, int rc){ if( rc==SQLITE_IOERR_NOMEM ) return; +#ifdef SQLITE_USE_SEH + if( rc==SQLITE_IOERR_IN_PAGE ){ + int ii; + int iErr; + sqlite3BtreeEnterAll(db); + for(ii=0; iinDb; ii++){ + if( db->aDb[ii].pBt ){ + iErr = sqlite3PagerWalSystemErrno(sqlite3BtreePager(db->aDb[ii].pBt)); + if( iErr ){ + db->iSysErrno = iErr; + } + } + } + sqlite3BtreeLeaveAll(db); + return; + } +#endif rc &= 0xff; if( rc==SQLITE_CANTOPEN || rc==SQLITE_IOERR ){ db->iSysErrno = sqlite3OsGetLastError(db->pVfs); @@ -34251,43 +34563,40 @@ SQLITE_PRIVATE u8 sqlite3StrIHash(const char *z){ return h; } -/* -** Compute 10 to the E-th power. Examples: E==1 results in 10. -** E==2 results in 100. E==50 results in 1.0e50. +/* Double-Double multiplication. (x[0],x[1]) *= (y,yy) ** -** This routine only works for values of E between 1 and 341. +** Reference: +** T. J. Dekker, "A Floating-Point Technique for Extending the +** Available Precision". 1971-07-26. */ -static LONGDOUBLE_TYPE sqlite3Pow10(int E){ -#if defined(_MSC_VER) - static const LONGDOUBLE_TYPE x[] = { - 1.0e+001L, - 1.0e+002L, - 1.0e+004L, - 1.0e+008L, - 1.0e+016L, - 1.0e+032L, - 1.0e+064L, - 1.0e+128L, - 1.0e+256L - }; - LONGDOUBLE_TYPE r = 1.0; - int i; - assert( E>=0 && E<=307 ); - for(i=0; E!=0; i++, E >>=1){ - if( E & 1 ) r *= x[i]; - } - return r; -#else - LONGDOUBLE_TYPE x = 10.0; - LONGDOUBLE_TYPE r = 1.0; - while(1){ - if( E & 1 ) r *= x; - E >>= 1; - if( E==0 ) break; - x *= x; - } - return r; -#endif +static void dekkerMul2(volatile double *x, double y, double yy){ + /* + ** The "volatile" keywords on parameter x[] and on local variables + ** below are needed force intermediate results to be truncated to + ** binary64 rather than be carried around in an extended-precision + ** format. The truncation is necessary for the Dekker algorithm to + ** work. Intel x86 floating point might omit the truncation without + ** the use of volatile. + */ + volatile double tx, ty, p, q, c, cc; + double hx, hy; + u64 m; + memcpy(&m, (void*)&x[0], 8); + m &= 0xfffffffffc000000LL; + memcpy(&hx, &m, 8); + tx = x[0] - hx; + memcpy(&m, &y, 8); + m &= 0xfffffffffc000000LL; + memcpy(&hy, &m, 8); + ty = y - hy; + p = hx*hy; + q = hx*ty + tx*hy; + c = p+q; + cc = p - c + q + tx*ty; + cc = x[0]*yy + x[1]*y + cc; + x[0] = c + cc; + x[1] = c - x[0]; + x[1] += cc; } /* @@ -34328,12 +34637,11 @@ SQLITE_PRIVATE int sqlite3AtoF(const char *z, double *pResult, int length, u8 en const char *zEnd; /* sign * significand * (10 ^ (esign * exponent)) */ int sign = 1; /* sign of significand */ - i64 s = 0; /* significand */ + u64 s = 0; /* significand */ int d = 0; /* adjust exponent for shifting decimal point */ int esign = 1; /* sign of exponent */ int e = 0; /* exponent */ int eValid = 1; /* True exponent is either not used or is well-formed */ - double result; int nDigit = 0; /* Number of digits processed */ int eType = 1; /* 1: pure integer, 2+: fractional -1 or less: bad UTF16 */ @@ -34373,7 +34681,7 @@ SQLITE_PRIVATE int sqlite3AtoF(const char *z, double *pResult, int length, u8 en while( z=((LARGEST_INT64-9)/10) ){ + if( s>=((LARGEST_UINT64-9)/10) ){ /* skip non-significant significand digits ** (increase exponent by d to shift decimal left) */ while( z0 ){ /*OPTIMIZATION-IF-TRUE*/ - if( esign>0 ){ - if( s>=(LARGEST_INT64/10) ) break; /*OPTIMIZATION-IF-FALSE*/ - s *= 10; - }else{ - if( s%10!=0 ) break; /*OPTIMIZATION-IF-FALSE*/ - s /= 10; - } - e--; - } + /* adjust exponent by d, and update sign */ + e = (e*esign) + d; - /* adjust the sign of significand */ - s = sign<0 ? -s : s; + /* Try to adjust the exponent to make it smaller */ + while( e>0 && s<(LARGEST_UINT64/10) ){ + s *= 10; + e--; + } + while( e<0 && (s%10)==0 ){ + s /= 10; + e++; + } - if( e==0 ){ /*OPTIMIZATION-IF-TRUE*/ - result = (double)s; + if( e==0 ){ + *pResult = s; + }else if( sqlite3Config.bUseLongDouble ){ + LONGDOUBLE_TYPE r = (LONGDOUBLE_TYPE)s; + if( e>0 ){ + while( e>=100 ){ e-=100; r *= 1.0e+100L; } + while( e>=10 ){ e-=10; r *= 1.0e+10L; } + while( e>=1 ){ e-=1; r *= 1.0e+01L; } }else{ - /* attempt to handle extremely small/large numbers better */ - if( e>307 ){ /*OPTIMIZATION-IF-TRUE*/ - if( e<342 ){ /*OPTIMIZATION-IF-TRUE*/ - LONGDOUBLE_TYPE scale = sqlite3Pow10(e-308); - if( esign<0 ){ - result = s / scale; - result /= 1.0e+308; - }else{ - result = s * scale; - result *= 1.0e+308; - } - }else{ assert( e>=342 ); - if( esign<0 ){ - result = 0.0*s; - }else{ + while( e<=-100 ){ e+=100; r *= 1.0e-100L; } + while( e<=-10 ){ e+=10; r *= 1.0e-10L; } + while( e<=-1 ){ e+=1; r *= 1.0e-01L; } + } + assert( r>=0.0 ); + if( r>+1.7976931348623157081452742373e+308L ){ #ifdef INFINITY - result = INFINITY*s; + *pResult = +INFINITY; #else - result = 1e308*1e308*s; /* Infinity */ + *pResult = 1.0e308*10.0; #endif - } - } - }else{ - LONGDOUBLE_TYPE scale = sqlite3Pow10(e); - if( esign<0 ){ - result = s / scale; - }else{ - result = s * scale; - } + }else{ + *pResult = (double)r; + } + }else{ + double rr[2]; + u64 s2; + rr[0] = (double)s; + s2 = (u64)rr[0]; + rr[1] = s>=s2 ? (double)(s - s2) : -(double)(s2 - s); + if( e>0 ){ + while( e>=100 ){ + e -= 100; + dekkerMul2(rr, 1.0e+100, -1.5902891109759918046e+83); + } + while( e>=10 ){ + e -= 10; + dekkerMul2(rr, 1.0e+10, 0.0); + } + while( e>=1 ){ + e -= 1; + dekkerMul2(rr, 1.0e+01, 0.0); + } + }else{ + while( e<=-100 ){ + e += 100; + dekkerMul2(rr, 1.0e-100, -1.99918998026028836196e-117); + } + while( e<=-10 ){ + e += 10; + dekkerMul2(rr, 1.0e-10, -3.6432197315497741579e-27); + } + while( e<=-1 ){ + e += 1; + dekkerMul2(rr, 1.0e-01, -5.5511151231257827021e-18); } } + *pResult = rr[0]+rr[1]; + if( sqlite3IsNaN(*pResult) ) *pResult = 1e300*1e300; } + if( sign<0 ) *pResult = -*pResult; + assert( !sqlite3IsNaN(*pResult) ); - /* store the result */ - *pResult = result; - - /* return true if number and no extra non-whitespace chracters after */ +atof_return: + /* return true if number and no extra non-whitespace characters after */ if( z==zEnd && nDigit>0 && eValid && eType>0 ){ return eType; }else if( eType>=2 && (eType==3 || eValid) && nDigit>0 ){ @@ -34636,7 +34954,7 @@ SQLITE_PRIVATE int sqlite3Atoi64(const char *zNum, i64 *pNum, int length, u8 enc /* This test and assignment is needed only to suppress UB warnings ** from clang and -fsanitize=undefined. This test and assignment make ** the code a little larger and slower, and no harm comes from omitting - ** them, but we must appaise the undefined-behavior pharisees. */ + ** them, but we must appease the undefined-behavior pharisees. */ *pNum = neg ? SMALLEST_INT64 : LARGEST_INT64; }else if( neg ){ *pNum = -(i64)u; @@ -34714,7 +35032,9 @@ SQLITE_PRIVATE int sqlite3DecOrHexToI64(const char *z, i64 *pOut){ }else #endif /* SQLITE_OMIT_HEX_INTEGER */ { - return sqlite3Atoi64(z, pOut, sqlite3Strlen30(z), SQLITE_UTF8); + int n = (int)(0x3fffffff&strspn(z,"+- \n\t0123456789")); + if( z[n] ) n++; + return sqlite3Atoi64(z, pOut, n, SQLITE_UTF8); } } @@ -34793,6 +35113,153 @@ SQLITE_PRIVATE int sqlite3Atoi(const char *z){ return x; } +/* +** Decode a floating-point value into an approximate decimal +** representation. +** +** Round the decimal representation to n significant digits if +** n is positive. Or round to -n signficant digits after the +** decimal point if n is negative. No rounding is performed if +** n is zero. +** +** The significant digits of the decimal representation are +** stored in p->z[] which is a often (but not always) a pointer +** into the middle of p->zBuf[]. There are p->n significant digits. +** The p->z[] array is *not* zero-terminated. +*/ +SQLITE_PRIVATE void sqlite3FpDecode(FpDecode *p, double r, int iRound, int mxRound){ + int i; + u64 v; + int e, exp = 0; + p->isSpecial = 0; + p->z = p->zBuf; + + /* Convert negative numbers to positive. Deal with Infinity, 0.0, and + ** NaN. */ + if( r<0.0 ){ + p->sign = '-'; + r = -r; + }else if( r==0.0 ){ + p->sign = '+'; + p->n = 1; + p->iDP = 1; + p->z = "0"; + return; + }else{ + p->sign = '+'; + } + memcpy(&v,&r,8); + e = v>>52; + if( (e&0x7ff)==0x7ff ){ + p->isSpecial = 1 + (v!=0x7ff0000000000000LL); + p->n = 0; + p->iDP = 0; + return; + } + + /* Multiply r by powers of ten until it lands somewhere in between + ** 1.0e+19 and 1.0e+17. + */ + if( sqlite3Config.bUseLongDouble ){ + LONGDOUBLE_TYPE rr = r; + if( rr>=1.0e+19 ){ + while( rr>=1.0e+119L ){ exp+=100; rr *= 1.0e-100L; } + while( rr>=1.0e+29L ){ exp+=10; rr *= 1.0e-10L; } + while( rr>=1.0e+19L ){ exp++; rr *= 1.0e-1L; } + }else{ + while( rr<1.0e-97L ){ exp-=100; rr *= 1.0e+100L; } + while( rr<1.0e+07L ){ exp-=10; rr *= 1.0e+10L; } + while( rr<1.0e+17L ){ exp--; rr *= 1.0e+1L; } + } + v = (u64)rr; + }else{ + /* If high-precision floating point is not available using "long double", + ** then use Dekker-style double-double computation to increase the + ** precision. + ** + ** The error terms on constants like 1.0e+100 computed using the + ** decimal extension, for example as follows: + ** + ** SELECT decimal_exp(decimal_sub('1.0e+100',decimal(1.0e+100))); + */ + double rr[2]; + rr[0] = r; + rr[1] = 0.0; + if( rr[0]>1.84e+19 ){ + while( rr[0]>1.84e+119 ){ + exp += 100; + dekkerMul2(rr, 1.0e-100, -1.99918998026028836196e-117); + } + while( rr[0]>1.84e+29 ){ + exp += 10; + dekkerMul2(rr, 1.0e-10, -3.6432197315497741579e-27); + } + while( rr[0]>1.84e+19 ){ + exp += 1; + dekkerMul2(rr, 1.0e-01, -5.5511151231257827021e-18); + } + }else{ + while( rr[0]<1.84e-82 ){ + exp -= 100; + dekkerMul2(rr, 1.0e+100, -1.5902891109759918046e+83); + } + while( rr[0]<1.84e+08 ){ + exp -= 10; + dekkerMul2(rr, 1.0e+10, 0.0); + } + while( rr[0]<1.84e+18 ){ + exp -= 1; + dekkerMul2(rr, 1.0e+01, 0.0); + } + } + v = rr[1]<0.0 ? (u64)rr[0]-(u64)(-rr[1]) : (u64)rr[0]+(u64)rr[1]; + } + + + /* Extract significant digits. */ + i = sizeof(p->zBuf)-1; + assert( v>0 ); + while( v ){ p->zBuf[i--] = (v%10) + '0'; v /= 10; } + assert( i>=0 && izBuf)-1 ); + p->n = sizeof(p->zBuf) - 1 - i; + assert( p->n>0 ); + assert( p->nzBuf) ); + p->iDP = p->n + exp; + if( iRound<0 ){ + iRound = p->iDP - iRound; + if( iRound==0 && p->zBuf[i+1]>='5' ){ + iRound = 1; + p->zBuf[i--] = '0'; + p->n++; + p->iDP++; + } + } + if( iRound>0 && (iRoundn || p->n>mxRound) ){ + char *z = &p->zBuf[i+1]; + if( iRound>mxRound ) iRound = mxRound; + p->n = iRound; + if( z[iRound]>='5' ){ + int j = iRound-1; + while( 1 /*exit-by-break*/ ){ + z[j]++; + if( z[j]<='9' ) break; + z[j] = '0'; + if( j==0 ){ + p->z[i--] = '1'; + p->n++; + p->iDP++; + break; + }else{ + j--; + } + } + } + } + p->z = &p->zBuf[i+1]; + assert( i+p->n < sizeof(p->zBuf) ); + while( ALWAYS(p->n>0) && p->z[p->n-1]=='0' ){ p->n--; } +} + /* ** Try to convert z into an unsigned 32-bit integer. Return true on ** success and false if there is an error. @@ -35321,7 +35788,7 @@ SQLITE_PRIVATE int sqlite3SafetyCheckSickOrOk(sqlite3 *db){ } /* -** Attempt to add, substract, or multiply the 64-bit signed value iB against +** Attempt to add, subtract, or multiply the 64-bit signed value iB against ** the other 64-bit signed integer at *pA and store the result in *pA. ** Return 0 on success. Or if the operation would have resulted in an ** overflow, leave *pA unchanged and return 1. @@ -35634,7 +36101,7 @@ SQLITE_PRIVATE int sqlite3VListNameToNum(VList *pIn, const char *zName, int nNam #define SQLITE_HWTIME_H /* -** The following routine only works on pentium-class (or newer) processors. +** The following routine only works on Pentium-class (or newer) processors. ** It uses the RDTSC opcode to read the cycle count value out of the ** processor and returns that value. This can be used for high-res ** profiling. @@ -35806,7 +36273,7 @@ static void insertElement( } -/* Resize the hash table so that it cantains "new_size" buckets. +/* Resize the hash table so that it contains "new_size" buckets. ** ** The hash table might fail to resize if sqlite3_malloc() fails or ** if the new size is the same as the prior size. @@ -37192,7 +37659,7 @@ SQLITE_PRIVATE int sqlite3KvvfsInit(void){ ** This source file is organized into divisions where the logic for various ** subfunctions is contained within the appropriate division. PLEASE ** KEEP THE STRUCTURE OF THIS FILE INTACT. New code should be placed -** in the correct division and should be clearly labeled. +** in the correct division and should be clearly labelled. ** ** The layout of divisions is as follows: ** @@ -37779,7 +38246,7 @@ static int robustFchown(int fd, uid_t uid, gid_t gid){ /* ** This is the xSetSystemCall() method of sqlite3_vfs for all of the -** "unix" VFSes. Return SQLITE_OK opon successfully updating the +** "unix" VFSes. Return SQLITE_OK upon successfully updating the ** system call pointer, or SQLITE_NOTFOUND if there is no configurable ** system call named zName. */ @@ -38301,7 +38768,7 @@ static void vxworksReleaseFileId(struct vxworksFileId *pId){ ** If you close a file descriptor that points to a file that has locks, ** all locks on that file that are owned by the current process are ** released. To work around this problem, each unixInodeInfo object -** maintains a count of the number of pending locks on tha inode. +** maintains a count of the number of pending locks on the inode. ** When an attempt is made to close an unixFile, if there are ** other unixFile open on the same inode that are holding locks, the call ** to close() the file descriptor is deferred until all of the locks clear. @@ -38315,7 +38782,7 @@ static void vxworksReleaseFileId(struct vxworksFileId *pId){ ** not posix compliant. Under LinuxThreads, a lock created by thread ** A cannot be modified or overridden by a different thread B. ** Only thread A can modify the lock. Locking behavior is correct -** if the appliation uses the newer Native Posix Thread Library (NPTL) +** if the application uses the newer Native Posix Thread Library (NPTL) ** on linux - with NPTL a lock created by thread A can override locks ** in thread B. But there is no way to know at compile-time which ** threading library is being used. So there is no way to know at @@ -38517,7 +38984,7 @@ static void storeLastErrno(unixFile *pFile, int error){ } /* -** Close all file descriptors accumuated in the unixInodeInfo->pUnused list. +** Close all file descriptors accumulated in the unixInodeInfo->pUnused list. */ static void closePendingFds(unixFile *pFile){ unixInodeInfo *pInode = pFile->pInode; @@ -38880,7 +39347,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ ** slightly in order to be compatible with Windows95 systems simultaneously ** accessing the same database file, in case that is ever required. ** - ** Symbols defined in os.h indentify the 'pending byte' and the 'reserved + ** Symbols defined in os.h identify the 'pending byte' and the 'reserved ** byte', each single bytes at well known offsets, and the 'shared byte ** range', a range of 510 bytes at a well known offset. ** @@ -38888,7 +39355,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ ** byte'. If this is successful, 'shared byte range' is read-locked ** and the lock on the 'pending byte' released. (Legacy note: When ** SQLite was first developed, Windows95 systems were still very common, - ** and Widnows95 lacks a shared-lock capability. So on Windows95, a + ** and Windows95 lacks a shared-lock capability. So on Windows95, a ** single randomly selected by from the 'shared byte range' is locked. ** Windows95 is now pretty much extinct, but this work-around for the ** lack of shared-locks on Windows95 lives on, for backwards @@ -38909,7 +39376,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ ** obtaining a write-lock on the 'pending byte'. This ensures that no new ** SHARED locks can be obtained, but existing SHARED locks are allowed to ** persist. If the call to this function fails to obtain the EXCLUSIVE - ** lock in this case, it holds the PENDING lock intead. The client may + ** lock in this case, it holds the PENDING lock instead. The client may ** then re-attempt the EXCLUSIVE lock later on, after existing SHARED ** locks have cleared. */ @@ -38937,7 +39404,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ /* Make sure the locking sequence is correct. ** (1) We never move from unlocked to anything higher than shared lock. - ** (2) SQLite never explicitly requests a pendig lock. + ** (2) SQLite never explicitly requests a pending lock. ** (3) A shared lock is always held when a reserve lock is requested. */ assert( pFile->eFileLock!=NO_LOCK || eFileLock==SHARED_LOCK ); @@ -40155,7 +40622,7 @@ static int afpLock(sqlite3_file *id, int eFileLock){ /* Make sure the locking sequence is correct ** (1) We never move from unlocked to anything higher than shared lock. - ** (2) SQLite never explicitly requests a pendig lock. + ** (2) SQLite never explicitly requests a pending lock. ** (3) A shared lock is always held when a reserve lock is requested. */ assert( pFile->eFileLock!=NO_LOCK || eFileLock==SHARED_LOCK ); @@ -40271,7 +40738,7 @@ static int afpLock(sqlite3_file *id, int eFileLock){ if( !(failed = afpSetLock(context->dbPath, pFile, SHARED_FIRST + pInode->sharedByte, 1, 0)) ){ int failed2 = SQLITE_OK; - /* now attemmpt to get the exclusive lock range */ + /* now attempt to get the exclusive lock range */ failed = afpSetLock(context->dbPath, pFile, SHARED_FIRST, SHARED_SIZE, 1); if( failed && (failed2 = afpSetLock(context->dbPath, pFile, @@ -40566,7 +41033,7 @@ static int unixRead( #endif #if SQLITE_MAX_MMAP_SIZE>0 - /* Deal with as much of this read request as possible by transfering + /* Deal with as much of this read request as possible by transferring ** data from the memory mapping using memcpy(). */ if( offsetmmapSize ){ if( offset+amt <= pFile->mmapSize ){ @@ -40718,7 +41185,7 @@ static int unixWrite( #endif #if defined(SQLITE_MMAP_READWRITE) && SQLITE_MAX_MMAP_SIZE>0 - /* Deal with as much of this write request as possible by transfering + /* Deal with as much of this write request as possible by transferring ** data from the memory mapping using memcpy(). */ if( offsetmmapSize ){ if( offset+amt <= pFile->mmapSize ){ @@ -40840,7 +41307,7 @@ static int full_fsync(int fd, int fullSync, int dataOnly){ /* If we compiled with the SQLITE_NO_SYNC flag, then syncing is a ** no-op. But go ahead and call fstat() to validate the file ** descriptor as we need a method to provoke a failure during - ** coverate testing. + ** coverage testing. */ #ifdef SQLITE_NO_SYNC { @@ -43885,12 +44352,17 @@ static int unixRandomness(sqlite3_vfs *NotUsed, int nBuf, char *zBuf){ ** than the argument. */ static int unixSleep(sqlite3_vfs *NotUsed, int microseconds){ -#if OS_VXWORKS || _POSIX_C_SOURCE >= 199309L +#if !defined(HAVE_NANOSLEEP) || HAVE_NANOSLEEP+0 struct timespec sp; - sp.tv_sec = microseconds / 1000000; sp.tv_nsec = (microseconds % 1000000) * 1000; + + /* Almost all modern unix systems support nanosleep(). But if you are + ** compiling for one of the rare exceptions, you can use + ** -DHAVE_NANOSLEEP=0 (perhaps in conjuction with -DHAVE_USLEEP if + ** usleep() is available) in order to bypass the use of nanosleep() */ nanosleep(&sp, NULL); + UNUSED_PARAMETER(NotUsed); return microseconds; #elif defined(HAVE_USLEEP) && HAVE_USLEEP @@ -46480,7 +46952,7 @@ static struct win_syscall { /* ** This is the xSetSystemCall() method of sqlite3_vfs for all of the -** "win32" VFSes. Return SQLITE_OK opon successfully updating the +** "win32" VFSes. Return SQLITE_OK upon successfully updating the ** system call pointer, or SQLITE_NOTFOUND if there is no configurable ** system call named zName. */ @@ -48060,7 +48532,7 @@ static int winRead( pFile->h, pBuf, amt, offset, pFile->locktype)); #if SQLITE_MAX_MMAP_SIZE>0 - /* Deal with as much of this read request as possible by transfering + /* Deal with as much of this read request as possible by transferring ** data from the memory mapping using memcpy(). */ if( offsetmmapSize ){ if( offset+amt <= pFile->mmapSize ){ @@ -48138,7 +48610,7 @@ static int winWrite( pFile->h, pBuf, amt, offset, pFile->locktype)); #if defined(SQLITE_MMAP_READWRITE) && SQLITE_MAX_MMAP_SIZE>0 - /* Deal with as much of this write request as possible by transfering + /* Deal with as much of this write request as possible by transferring ** data from the memory mapping using memcpy(). */ if( offsetmmapSize ){ if( offset+amt <= pFile->mmapSize ){ @@ -48248,7 +48720,7 @@ static int winTruncate(sqlite3_file *id, sqlite3_int64 nByte){ ** all references to memory-mapped content are closed. That is doable, ** but involves adding a few branches in the common write code path which ** could slow down normal operations slightly. Hence, we have decided for - ** now to simply make trancations a no-op if there are pending reads. We + ** now to simply make transactions a no-op if there are pending reads. We ** can maybe revisit this decision in the future. */ return SQLITE_OK; @@ -48307,7 +48779,7 @@ static int winTruncate(sqlite3_file *id, sqlite3_int64 nByte){ #ifdef SQLITE_TEST /* ** Count the number of fullsyncs and normal syncs. This is used to test -** that syncs and fullsyncs are occuring at the right times. +** that syncs and fullsyncs are occurring at the right times. */ SQLITE_API int sqlite3_sync_count = 0; SQLITE_API int sqlite3_fullsync_count = 0; @@ -48664,7 +49136,7 @@ static int winLock(sqlite3_file *id, int locktype){ */ if( locktype==EXCLUSIVE_LOCK && res ){ assert( pFile->locktype>=SHARED_LOCK ); - res = winUnlockReadLock(pFile); + (void)winUnlockReadLock(pFile); res = winLockFile(&pFile->h, SQLITE_LOCKFILE_FLAGS, SHARED_FIRST, 0, SHARED_SIZE, 0); if( res ){ @@ -50068,6 +50540,7 @@ static int winGetTempname(sqlite3_vfs *pVfs, char **pzBuf){ "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "0123456789"; size_t i, j; + DWORD pid; int nPre = sqlite3Strlen30(SQLITE_TEMP_FILE_PREFIX); int nMax, nBuf, nDir, nLen; char *zBuf; @@ -50280,7 +50753,10 @@ static int winGetTempname(sqlite3_vfs *pVfs, char **pzBuf){ j = sqlite3Strlen30(zBuf); sqlite3_randomness(15, &zBuf[j]); + pid = osGetCurrentProcessId(); for(i=0; i<15; i++, j++){ + zBuf[j] += pid & 0xff; + pid >>= 8; zBuf[j] = (char)zChars[ ((unsigned char)zBuf[j])%(sizeof(zChars)-1) ]; } zBuf[j] = 0; @@ -52645,7 +53121,7 @@ SQLITE_PRIVATE int sqlite3BitvecSet(Bitvec *p, u32 i){ h = BITVEC_HASH(i++); /* if there wasn't a hash collision, and this doesn't */ /* completely fill the hash, then just add it without */ - /* worring about sub-dividing and re-hashing. */ + /* worrying about sub-dividing and re-hashing. */ if( !p->u.aHash[h] ){ if (p->nSet<(BITVEC_NINT-1)) { goto bitvec_set_end; @@ -52978,7 +53454,7 @@ struct PCache { ** Return 1 if pPg is on the dirty list for pCache. Return 0 if not. ** This routine runs inside of assert() statements only. */ -#ifdef SQLITE_DEBUG +#if defined(SQLITE_ENABLE_EXPENSIVE_ASSERT) static int pageOnDirtyList(PCache *pCache, PgHdr *pPg){ PgHdr *p; for(p=pCache->pDirty; p; p=p->pDirtyNext){ @@ -52986,6 +53462,16 @@ static int pageOnDirtyList(PCache *pCache, PgHdr *pPg){ } return 0; } +static int pageNotOnDirtyList(PCache *pCache, PgHdr *pPg){ + PgHdr *p; + for(p=pCache->pDirty; p; p=p->pDirtyNext){ + if( p==pPg ) return 0; + } + return 1; +} +#else +# define pageOnDirtyList(A,B) 1 +# define pageNotOnDirtyList(A,B) 1 #endif /* @@ -53006,7 +53492,7 @@ SQLITE_PRIVATE int sqlite3PcachePageSanity(PgHdr *pPg){ assert( pCache!=0 ); /* Every page has an associated PCache */ if( pPg->flags & PGHDR_CLEAN ){ assert( (pPg->flags & PGHDR_DIRTY)==0 );/* Cannot be both CLEAN and DIRTY */ - assert( !pageOnDirtyList(pCache, pPg) );/* CLEAN pages not on dirty list */ + assert( pageNotOnDirtyList(pCache, pPg) );/* CLEAN pages not on dirtylist */ }else{ assert( (pPg->flags & PGHDR_DIRTY)!=0 );/* If not CLEAN must be DIRTY */ assert( pPg->pDirtyNext==0 || pPg->pDirtyNext->pDirtyPrev==pPg ); @@ -53142,7 +53628,7 @@ static int numberOfCachePages(PCache *p){ return p->szCache; }else{ i64 n; - /* IMPLEMANTATION-OF: R-59858-46238 If the argument N is negative, then the + /* IMPLEMENTATION-OF: R-59858-46238 If the argument N is negative, then the ** number of cache pages is adjusted to be a number of pages that would ** use approximately abs(N*1024) bytes of memory based on the current ** page size. */ @@ -53630,7 +54116,7 @@ static PgHdr *pcacheMergeDirtyList(PgHdr *pA, PgHdr *pB){ } /* -** Sort the list of pages in accending order by pgno. Pages are +** Sort the list of pages in ascending order by pgno. Pages are ** connected by pDirty pointers. The pDirtyPrev pointers are ** corrupted by this sort. ** @@ -53870,7 +54356,7 @@ SQLITE_PRIVATE void sqlite3PcacheIterateDirty(PCache *pCache, void (*xIter)(PgHd ** If N is positive, then N pages worth of memory are allocated using a single ** sqlite3Malloc() call and that memory is used for the first N pages allocated. ** Or if N is negative, then -1024*N bytes of memory are allocated and used -** for as many pages as can be accomodated. +** for as many pages as can be accommodated. ** ** Only one of (2) or (3) can be used. Once the memory available to (2) or ** (3) is exhausted, subsequent allocations fail over to the general-purpose @@ -53904,7 +54390,7 @@ typedef struct PGroup PGroup; ** in memory directly after the associated page data, if the database is ** corrupt, code at the b-tree layer may overread the page buffer and ** read part of this structure before the corruption is detected. This -** can cause a valgrind error if the unitialized gap is accessed. Using u16 +** can cause a valgrind error if the uninitialized gap is accessed. Using u16 ** ensures there is no such gap, and therefore no bytes of uninitialized ** memory in the structure. ** @@ -55124,7 +55610,7 @@ SQLITE_PRIVATE void sqlite3PcacheStats( ** The TEST primitive includes a "batch" number. The TEST primitive ** will only see elements that were inserted before the last change ** in the batch number. In other words, if an INSERT occurs between -** two TESTs where the TESTs have the same batch nubmer, then the +** two TESTs where the TESTs have the same batch number, then the ** value added by the INSERT will not be visible to the second TEST. ** The initial batch number is zero, so if the very first TEST contains ** a non-zero batch number, it will see all prior INSERTs. @@ -55656,6 +56142,7 @@ SQLITE_PRIVATE int sqlite3RowSetTest(RowSet *pRowSet, int iBatch, sqlite3_int64 # define sqlite3WalFramesize(z) 0 # define sqlite3WalFindFrame(x,y,z) 0 # define sqlite3WalFile(x) 0 +# undef SQLITE_USE_SEH #else #define WAL_SAVEPOINT_NDATA 4 @@ -55762,6 +56249,10 @@ SQLITE_PRIVATE int sqlite3WalWriteLock(Wal *pWal, int bLock); SQLITE_PRIVATE void sqlite3WalDb(Wal *pWal, sqlite3 *db); #endif +#ifdef SQLITE_USE_SEH +SQLITE_PRIVATE int sqlite3WalSystemErrno(Wal*); +#endif + #endif /* ifndef SQLITE_OMIT_WAL */ #endif /* SQLITE_WAL_H */ @@ -56047,7 +56538,7 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ ** outstanding transactions have been abandoned, the pager is able to ** transition back to OPEN state, discarding the contents of the ** page-cache and any other in-memory state at the same time. Everything -** is reloaded from disk (and, if necessary, hot-journal rollback peformed) +** is reloaded from disk (and, if necessary, hot-journal rollback performed) ** when a read-transaction is next opened on the pager (transitioning ** the pager into READER state). At that point the system has recovered ** from the error. @@ -57420,7 +57911,7 @@ static int readJournalHdr( ** + 4 bytes: super-journal name checksum. ** + 8 bytes: aJournalMagic[]. ** -** The super-journal page checksum is the sum of the bytes in thesuper-journal +** The super-journal page checksum is the sum of the bytes in the super-journal ** name, where each byte is interpreted as a signed 8-bit integer. ** ** If zSuper is a NULL pointer (occurs for a single database transaction), @@ -57473,7 +57964,7 @@ static int writeSuperJournal(Pager *pPager, const char *zSuper){ } pPager->journalOff += (nSuper+20); - /* If the pager is in peristent-journal mode, then the physical + /* If the pager is in persistent-journal mode, then the physical ** journal-file may extend past the end of the super-journal name ** and 8 bytes of magic data just written to the file. This is ** dangerous because the code to rollback a hot-journal file @@ -57643,7 +58134,7 @@ static void pager_unlock(Pager *pPager){ /* ** This function is called whenever an IOERR or FULL error that requires -** the pager to transition into the ERROR state may ahve occurred. +** the pager to transition into the ERROR state may have occurred. ** The first argument is a pointer to the pager structure, the second ** the error-code about to be returned by a pager API function. The ** value returned is a copy of the second argument to this function. @@ -57918,7 +58409,7 @@ static void pagerUnlockAndRollback(Pager *pPager){ /* ** Parameter aData must point to a buffer of pPager->pageSize bytes -** of data. Compute and return a checksum based ont the contents of the +** of data. Compute and return a checksum based on the contents of the ** page of data and the current value of pPager->cksumInit. ** ** This is not a real checksum. It is really just the sum of the @@ -58884,7 +59375,7 @@ static int pagerWalFrames( assert( pPager->pWal ); assert( pList ); #ifdef SQLITE_DEBUG - /* Verify that the page list is in accending order */ + /* Verify that the page list is in ascending order */ for(p=pList; p && p->pDirty; p=p->pDirty){ assert( p->pgno < p->pDirty->pgno ); } @@ -59015,7 +59506,7 @@ static int pagerPagecount(Pager *pPager, Pgno *pnPage){ #ifndef SQLITE_OMIT_WAL /* ** Check if the *-wal file that corresponds to the database opened by pPager -** exists if the database is not empy, or verify that the *-wal file does +** exists if the database is not empty, or verify that the *-wal file does ** not exist (by deleting it) if the database file is empty. ** ** If the database is not empty and the *-wal file exists, open the pager @@ -60425,11 +60916,7 @@ SQLITE_PRIVATE int sqlite3PagerOpen( int rc = SQLITE_OK; /* Return code */ int tempFile = 0; /* True for temp files (incl. in-memory files) */ int memDb = 0; /* True if this is an in-memory file */ -#ifndef SQLITE_OMIT_DESERIALIZE int memJM = 0; /* Memory journal mode */ -#else -# define memJM 0 -#endif int readOnly = 0; /* True if this is a read-only file */ int journalFileSize; /* Bytes to allocate for each journal fd */ char *zPathname = 0; /* Full path to database file */ @@ -60548,12 +61035,13 @@ SQLITE_PRIVATE int sqlite3PagerOpen( ** specific formatting and order of the various filenames, so if the format ** changes here, be sure to change it there as well. */ + assert( SQLITE_PTRSIZE==sizeof(Pager*) ); pPtr = (u8 *)sqlite3MallocZero( ROUND8(sizeof(*pPager)) + /* Pager structure */ ROUND8(pcacheSize) + /* PCache object */ ROUND8(pVfs->szOsFile) + /* The main db file */ journalFileSize * 2 + /* The two journal files */ - sizeof(pPager) + /* Space to hold a pointer */ + SQLITE_PTRSIZE + /* Space to hold a pointer */ 4 + /* Database prefix */ nPathname + 1 + /* database filename */ nUriByte + /* query parameters */ @@ -60574,7 +61062,7 @@ SQLITE_PRIVATE int sqlite3PagerOpen( pPager->sjfd = (sqlite3_file*)pPtr; pPtr += journalFileSize; pPager->jfd = (sqlite3_file*)pPtr; pPtr += journalFileSize; assert( EIGHT_BYTE_ALIGNMENT(pPager->jfd) ); - memcpy(pPtr, &pPager, sizeof(pPager)); pPtr += sizeof(pPager); + memcpy(pPtr, &pPager, SQLITE_PTRSIZE); pPtr += SQLITE_PTRSIZE; /* Fill in the Pager.zFilename and pPager.zQueryParam fields */ pPtr += 4; /* Skip zero prefix */ @@ -60628,9 +61116,7 @@ SQLITE_PRIVATE int sqlite3PagerOpen( int fout = 0; /* VFS flags returned by xOpen() */ rc = sqlite3OsOpen(pVfs, pPager->zFilename, pPager->fd, vfsFlags, &fout); assert( !memDb ); -#ifndef SQLITE_OMIT_DESERIALIZE pPager->memVfs = memJM = (fout&SQLITE_OPEN_MEMORY)!=0; -#endif readOnly = (fout&SQLITE_OPEN_READONLY)!=0; /* If the file was successfully opened for read/write access, @@ -60767,7 +61253,7 @@ act_like_temp_file: /* ** Return the sqlite3_file for the main database given the name -** of the corresonding WAL or Journal name as passed into +** of the corresponding WAL or Journal name as passed into ** xOpen. */ SQLITE_API sqlite3_file *sqlite3_database_file_object(const char *zName){ @@ -63052,7 +63538,7 @@ SQLITE_PRIVATE int sqlite3PagerSetJournalMode(Pager *pPager, int eMode){ assert( pPager->eState!=PAGER_ERROR ); pPager->journalMode = (u8)eMode; - /* When transistioning from TRUNCATE or PERSIST to any other journal + /* When transitioning from TRUNCATE or PERSIST to any other journal ** mode except WAL, unless the pager is in locking_mode=exclusive mode, ** delete the journal file. */ @@ -63480,6 +63966,12 @@ SQLITE_PRIVATE int sqlite3PagerWalFramesize(Pager *pPager){ } #endif +#ifdef SQLITE_USE_SEH +SQLITE_PRIVATE int sqlite3PagerWalSystemErrno(Pager *pPager){ + return sqlite3WalSystemErrno(pPager->pWal); +} +#endif + #endif /* SQLITE_OMIT_DISKIO */ /************** End of pager.c ***********************************************/ @@ -63770,7 +64262,7 @@ SQLITE_PRIVATE int sqlite3WalTrace = 0; ** ** Technically, the various VFSes are free to implement these locks however ** they see fit. However, compatibility is encouraged so that VFSes can -** interoperate. The standard implemention used on both unix and windows +** interoperate. The standard implementation used on both unix and windows ** is for the index number to indicate a byte offset into the ** WalCkptInfo.aLock[] array in the wal-index header. In other words, all ** locks are on the shm file. The WALINDEX_LOCK_OFFSET constant (which @@ -63846,7 +64338,7 @@ struct WalIndexHdr { ** the mxFrame for that reader. The value READMARK_NOT_USED (0xffffffff) ** for any aReadMark[] means that entry is unused. aReadMark[0] is ** a special case; its value is never used and it exists as a place-holder -** to avoid having to offset aReadMark[] indexs by one. Readers holding +** to avoid having to offset aReadMark[] indexes by one. Readers holding ** WAL_READ_LOCK(0) always ignore the entire WAL and read all content ** directly from the database. ** @@ -64014,7 +64506,15 @@ struct Wal { u32 iReCksum; /* On commit, recalculate checksums from here */ const char *zWalName; /* Name of WAL file */ u32 nCkpt; /* Checkpoint sequence counter in the wal-header */ +#ifdef SQLITE_USE_SEH + u32 lockMask; /* Mask of locks held */ + void *pFree; /* Pointer to sqlite3_free() if exception thrown */ + u32 *pWiValue; /* Value to write into apWiData[iWiPg] */ + int iWiPg; /* Write pWiValue into apWiData[iWiPg] */ + int iSysErrno; /* System error code following exception */ +#endif #ifdef SQLITE_DEBUG + int nSehTry; /* Number of nested SEH_TRY{} blocks */ u8 lockError; /* True if a locking error has occurred */ #endif #ifdef SQLITE_ENABLE_SNAPSHOT @@ -64096,6 +64596,113 @@ struct WalIterator { sizeof(ht_slot)*HASHTABLE_NSLOT + HASHTABLE_NPAGE*sizeof(u32) \ ) +/* +** Structured Exception Handling (SEH) is a Windows-specific technique +** for catching exceptions raised while accessing memory-mapped files. +** +** The -DSQLITE_USE_SEH compile-time option means to use SEH to catch and +** deal with system-level errors that arise during WAL -shm file processing. +** Without this compile-time option, any system-level faults that appear +** while accessing the memory-mapped -shm file will cause a process-wide +** signal to be deliver, which will more than likely cause the entire +** process to exit. +*/ +#ifdef SQLITE_USE_SEH +#include + +/* Beginning of a block of code in which an exception might occur */ +# define SEH_TRY __try { \ + assert( walAssertLockmask(pWal) && pWal->nSehTry==0 ); \ + VVA_ONLY(pWal->nSehTry++); + +/* The end of a block of code in which an exception might occur */ +# define SEH_EXCEPT(X) \ + VVA_ONLY(pWal->nSehTry--); \ + assert( pWal->nSehTry==0 ); \ + } __except( sehExceptionFilter(pWal, GetExceptionCode(), GetExceptionInformation() ) ){ X } + +/* Simulate a memory-mapping fault in the -shm file for testing purposes */ +# define SEH_INJECT_FAULT sehInjectFault(pWal) + +/* +** The second argument is the return value of GetExceptionCode() for the +** current exception. Return EXCEPTION_EXECUTE_HANDLER if the exception code +** indicates that the exception may have been caused by accessing the *-shm +** file mapping. Or EXCEPTION_CONTINUE_SEARCH otherwise. +*/ +static int sehExceptionFilter(Wal *pWal, int eCode, EXCEPTION_POINTERS *p){ + VVA_ONLY(pWal->nSehTry--); + if( eCode==EXCEPTION_IN_PAGE_ERROR ){ + if( p && p->ExceptionRecord && p->ExceptionRecord->NumberParameters>=3 ){ + /* From MSDN: For this type of exception, the first element of the + ** ExceptionInformation[] array is a read-write flag - 0 if the exception + ** was thrown while reading, 1 if while writing. The second element is + ** the virtual address being accessed. The "third array element specifies + ** the underlying NTSTATUS code that resulted in the exception". */ + pWal->iSysErrno = (int)p->ExceptionRecord->ExceptionInformation[2]; + } + return EXCEPTION_EXECUTE_HANDLER; + } + return EXCEPTION_CONTINUE_SEARCH; +} + +/* +** If one is configured, invoke the xTestCallback callback with 650 as +** the argument. If it returns true, throw the same exception that is +** thrown by the system if the *-shm file mapping is accessed after it +** has been invalidated. +*/ +static void sehInjectFault(Wal *pWal){ + int res; + assert( pWal->nSehTry>0 ); + + res = sqlite3FaultSim(650); + if( res!=0 ){ + ULONG_PTR aArg[3]; + aArg[0] = 0; + aArg[1] = 0; + aArg[2] = (ULONG_PTR)res; + RaiseException(EXCEPTION_IN_PAGE_ERROR, 0, 3, (const ULONG_PTR*)aArg); + } +} + +/* +** There are two ways to use this macro. To set a pointer to be freed +** if an exception is thrown: +** +** SEH_FREE_ON_ERROR(0, pPtr); +** +** and to cancel the same: +** +** SEH_FREE_ON_ERROR(pPtr, 0); +** +** In the first case, there must not already be a pointer registered to +** be freed. In the second case, pPtr must be the registered pointer. +*/ +#define SEH_FREE_ON_ERROR(X,Y) \ + assert( (X==0 || Y==0) && pWal->pFree==X ); pWal->pFree = Y + +/* +** There are two ways to use this macro. To arrange for pWal->apWiData[iPg] +** to be set to pValue if an exception is thrown: +** +** SEH_SET_ON_ERROR(iPg, pValue); +** +** and to cancel the same: +** +** SEH_SET_ON_ERROR(0, 0); +*/ +#define SEH_SET_ON_ERROR(X,Y) pWal->iWiPg = X; pWal->pWiValue = Y + +#else +# define SEH_TRY VVA_ONLY(pWal->nSehTry++); +# define SEH_EXCEPT(X) VVA_ONLY(pWal->nSehTry--); assert( pWal->nSehTry==0 ); +# define SEH_INJECT_FAULT assert( pWal->nSehTry>0 ); +# define SEH_FREE_ON_ERROR(X,Y) +# define SEH_SET_ON_ERROR(X,Y) +#endif /* ifdef SQLITE_USE_SEH */ + + /* ** Obtain a pointer to the iPage'th page of the wal-index. The wal-index ** is broken into pages of WALINDEX_PGSZ bytes. Wal-index pages are @@ -64168,6 +64775,7 @@ static int walIndexPage( int iPage, /* The page we seek */ volatile u32 **ppPage /* Write the page pointer here */ ){ + SEH_INJECT_FAULT; if( pWal->nWiData<=iPage || (*ppPage = pWal->apWiData[iPage])==0 ){ return walIndexPageRealloc(pWal, iPage, ppPage); } @@ -64179,6 +64787,7 @@ static int walIndexPage( */ static volatile WalCkptInfo *walCkptInfo(Wal *pWal){ assert( pWal->nWiData>0 && pWal->apWiData[0] ); + SEH_INJECT_FAULT; return (volatile WalCkptInfo*)&(pWal->apWiData[0][sizeof(WalIndexHdr)/2]); } @@ -64187,6 +64796,7 @@ static volatile WalCkptInfo *walCkptInfo(Wal *pWal){ */ static volatile WalIndexHdr *walIndexHdr(Wal *pWal){ assert( pWal->nWiData>0 && pWal->apWiData[0] ); + SEH_INJECT_FAULT; return (volatile WalIndexHdr*)pWal->apWiData[0]; } @@ -64376,7 +64986,7 @@ static int walDecodeFrame( return 0; } - /* A frame is only valid if the page number is creater than zero. + /* A frame is only valid if the page number is greater than zero. */ pgno = sqlite3Get4byte(&aFrame[0]); if( pgno==0 ){ @@ -64384,7 +64994,7 @@ static int walDecodeFrame( } /* A frame is only valid if a checksum of the WAL header, - ** all prior frams, the first 16 bytes of this frame-header, + ** all prior frames, the first 16 bytes of this frame-header, ** and the frame-data matches the checksum in the last 8 ** bytes of this frame-header. */ @@ -64444,12 +65054,18 @@ static int walLockShared(Wal *pWal, int lockIdx){ WALTRACE(("WAL%p: acquire SHARED-%s %s\n", pWal, walLockName(lockIdx), rc ? "failed" : "ok")); VVA_ONLY( pWal->lockError = (u8)(rc!=SQLITE_OK && (rc&0xFF)!=SQLITE_BUSY); ) +#ifdef SQLITE_USE_SEH + if( rc==SQLITE_OK ) pWal->lockMask |= (1 << lockIdx); +#endif return rc; } static void walUnlockShared(Wal *pWal, int lockIdx){ if( pWal->exclusiveMode ) return; (void)sqlite3OsShmLock(pWal->pDbFd, lockIdx, 1, SQLITE_SHM_UNLOCK | SQLITE_SHM_SHARED); +#ifdef SQLITE_USE_SEH + pWal->lockMask &= ~(1 << lockIdx); +#endif WALTRACE(("WAL%p: release SHARED-%s\n", pWal, walLockName(lockIdx))); } static int walLockExclusive(Wal *pWal, int lockIdx, int n){ @@ -64460,12 +65076,20 @@ static int walLockExclusive(Wal *pWal, int lockIdx, int n){ WALTRACE(("WAL%p: acquire EXCLUSIVE-%s cnt=%d %s\n", pWal, walLockName(lockIdx), n, rc ? "failed" : "ok")); VVA_ONLY( pWal->lockError = (u8)(rc!=SQLITE_OK && (rc&0xFF)!=SQLITE_BUSY); ) +#ifdef SQLITE_USE_SEH + if( rc==SQLITE_OK ){ + pWal->lockMask |= (((1<exclusiveMode ) return; (void)sqlite3OsShmLock(pWal->pDbFd, lockIdx, n, SQLITE_SHM_UNLOCK | SQLITE_SHM_EXCLUSIVE); +#ifdef SQLITE_USE_SEH + pWal->lockMask &= ~(((1<apWiData[0][WALINDEX_HDR_SIZE/sizeof(u32) + iFrame - 1]; } @@ -64816,6 +65441,7 @@ static int walIndexRecover(Wal *pWal){ /* Malloc a buffer to read frames into. */ szFrame = szPage + WAL_FRAME_HDRSIZE; aFrame = (u8 *)sqlite3_malloc64(szFrame + WALINDEX_PGSZ); + SEH_FREE_ON_ERROR(0, aFrame); if( !aFrame ){ rc = SQLITE_NOMEM_BKPT; goto recovery_error; @@ -64834,6 +65460,7 @@ static int walIndexRecover(Wal *pWal){ rc = walIndexPage(pWal, iPg, (volatile u32**)&aShare); assert( aShare!=0 || rc!=SQLITE_OK ); if( aShare==0 ) break; + SEH_SET_ON_ERROR(iPg, aShare); pWal->apWiData[iPg] = aPrivate; for(iFrame=iFirst; iFrame<=iLast; iFrame++){ @@ -64861,6 +65488,7 @@ static int walIndexRecover(Wal *pWal){ } } pWal->apWiData[iPg] = aShare; + SEH_SET_ON_ERROR(0,0); nHdr = (iPg==0 ? WALINDEX_HDR_SIZE : 0); nHdr32 = nHdr / sizeof(u32); #ifndef SQLITE_SAFER_WALINDEX_RECOVERY @@ -64891,9 +65519,11 @@ static int walIndexRecover(Wal *pWal){ } } #endif + SEH_INJECT_FAULT; if( iFrame<=iLast ) break; } + SEH_FREE_ON_ERROR(aFrame, 0); sqlite3_free(aFrame); } @@ -64921,6 +65551,7 @@ finished: }else{ pInfo->aReadMark[i] = READMARK_NOT_USED; } + SEH_INJECT_FAULT; walUnlockExclusive(pWal, WAL_READ_LOCK(i), 1); }else if( rc!=SQLITE_BUSY ){ goto recovery_error; @@ -65078,7 +65709,7 @@ SQLITE_PRIVATE int sqlite3WalOpen( } /* -** Change the size to which the WAL file is trucated on each reset. +** Change the size to which the WAL file is truncated on each reset. */ SQLITE_PRIVATE void sqlite3WalLimit(Wal *pWal, i64 iLimit){ if( pWal ) pWal->mxWalSize = iLimit; @@ -65304,23 +65935,16 @@ static int walIteratorInit(Wal *pWal, u32 nBackfill, WalIterator **pp){ nByte = sizeof(WalIterator) + (nSegment-1)*sizeof(struct WalSegment) + iLast*sizeof(ht_slot); - p = (WalIterator *)sqlite3_malloc64(nByte); + p = (WalIterator *)sqlite3_malloc64(nByte + + sizeof(ht_slot) * (iLast>HASHTABLE_NPAGE?HASHTABLE_NPAGE:iLast) + ); if( !p ){ return SQLITE_NOMEM_BKPT; } memset(p, 0, nByte); p->nSegment = nSegment; - - /* Allocate temporary space used by the merge-sort routine. This block - ** of memory will be freed before this function returns. - */ - aTmp = (ht_slot *)sqlite3_malloc64( - sizeof(ht_slot) * (iLast>HASHTABLE_NPAGE?HASHTABLE_NPAGE:iLast) - ); - if( !aTmp ){ - rc = SQLITE_NOMEM_BKPT; - } - + aTmp = (ht_slot*)&(((u8*)p)[nByte]); + SEH_FREE_ON_ERROR(0, p); for(i=walFramePage(nBackfill+1); rc==SQLITE_OK && iaSegment[i].aPgno = (u32 *)sLoc.aPgno; } } - sqlite3_free(aTmp); - if( rc!=SQLITE_OK ){ + SEH_FREE_ON_ERROR(p, 0); walIteratorFree(p); p = 0; } @@ -65576,13 +66199,13 @@ static int walCheckpoint( mxSafeFrame = pWal->hdr.mxFrame; mxPage = pWal->hdr.nPage; for(i=1; iaReadMark+i); + u32 y = AtomicLoad(pInfo->aReadMark+i); SEH_INJECT_FAULT; if( mxSafeFrame>y ){ assert( y<=pWal->hdr.mxFrame ); rc = walBusyLock(pWal, xBusy, pBusyArg, WAL_READ_LOCK(i), 1); if( rc==SQLITE_OK ){ u32 iMark = (i==1 ? mxSafeFrame : READMARK_NOT_USED); - AtomicStore(pInfo->aReadMark+i, iMark); + AtomicStore(pInfo->aReadMark+i, iMark); SEH_INJECT_FAULT; walUnlockExclusive(pWal, WAL_READ_LOCK(i), 1); }else if( rc==SQLITE_BUSY ){ mxSafeFrame = y; @@ -65603,8 +66226,7 @@ static int walCheckpoint( && (rc = walBusyLock(pWal,xBusy,pBusyArg,WAL_READ_LOCK(0),1))==SQLITE_OK ){ u32 nBackfill = pInfo->nBackfill; - - pInfo->nBackfillAttempted = mxSafeFrame; + pInfo->nBackfillAttempted = mxSafeFrame; SEH_INJECT_FAULT; /* Sync the WAL to disk */ rc = sqlite3OsSync(pWal->pWalFd, CKPT_SYNC_FLAGS(sync_flags)); @@ -65635,6 +66257,7 @@ static int walCheckpoint( while( rc==SQLITE_OK && 0==walIteratorNext(pIter, &iDbpage, &iFrame) ){ i64 iOffset; assert( walFramePgno(pWal, iFrame)==iDbpage ); + SEH_INJECT_FAULT; if( AtomicLoad(&db->u1.isInterrupted) ){ rc = db->mallocFailed ? SQLITE_NOMEM_BKPT : SQLITE_INTERRUPT; break; @@ -65664,7 +66287,7 @@ static int walCheckpoint( } } if( rc==SQLITE_OK ){ - AtomicStore(&pInfo->nBackfill, mxSafeFrame); + AtomicStore(&pInfo->nBackfill, mxSafeFrame); SEH_INJECT_FAULT; } } @@ -65686,6 +66309,7 @@ static int walCheckpoint( */ if( rc==SQLITE_OK && eMode!=SQLITE_CHECKPOINT_PASSIVE ){ assert( pWal->writeLock ); + SEH_INJECT_FAULT; if( pInfo->nBackfillhdr.mxFrame ){ rc = SQLITE_BUSY; }else if( eMode>=SQLITE_CHECKPOINT_RESTART ){ @@ -65717,6 +66341,7 @@ static int walCheckpoint( } walcheckpoint_out: + SEH_FREE_ON_ERROR(pIter, 0); walIteratorFree(pIter); return rc; } @@ -65739,6 +66364,93 @@ static void walLimitSize(Wal *pWal, i64 nMax){ } } +#ifdef SQLITE_USE_SEH +/* +** This is the "standard" exception handler used in a few places to handle +** an exception thrown by reading from the *-shm mapping after it has become +** invalid in SQLITE_USE_SEH builds. It is used as follows: +** +** SEH_TRY { ... } +** SEH_EXCEPT( rc = walHandleException(pWal); ) +** +** This function does three things: +** +** 1) Determines the locks that should be held, based on the contents of +** the Wal.readLock, Wal.writeLock and Wal.ckptLock variables. All other +** held locks are assumed to be transient locks that would have been +** released had the exception not been thrown and are dropped. +** +** 2) Frees the pointer at Wal.pFree, if any, using sqlite3_free(). +** +** 3) Set pWal->apWiData[pWal->iWiPg] to pWal->pWiValue if not NULL +** +** 4) Returns SQLITE_IOERR. +*/ +static int walHandleException(Wal *pWal){ + if( pWal->exclusiveMode==0 ){ + static const int S = 1; + static const int E = (1<lockMask & ~( + (pWal->readLock<0 ? 0 : (S << WAL_READ_LOCK(pWal->readLock))) + | (pWal->writeLock ? (E << WAL_WRITE_LOCK) : 0) + | (pWal->ckptLock ? (E << WAL_CKPT_LOCK) : 0) + ); + for(ii=0; iipFree); + pWal->pFree = 0; + if( pWal->pWiValue ){ + pWal->apWiData[pWal->iWiPg] = pWal->pWiValue; + pWal->pWiValue = 0; + } + return SQLITE_IOERR_IN_PAGE; +} + +/* +** Assert that the Wal.lockMask mask, which indicates the locks held +** by the connenction, is consistent with the Wal.readLock, Wal.writeLock +** and Wal.ckptLock variables. To be used as: +** +** assert( walAssertLockmask(pWal) ); +*/ +static int walAssertLockmask(Wal *pWal){ + if( pWal->exclusiveMode==0 ){ + static const int S = 1; + static const int E = (1<readLock<0 ? 0 : (S << WAL_READ_LOCK(pWal->readLock))) + | (pWal->writeLock ? (E << WAL_WRITE_LOCK) : 0) + | (pWal->ckptLock ? (E << WAL_CKPT_LOCK) : 0) +#ifdef SQLITE_ENABLE_SNAPSHOT + | (pWal->pSnapshot ? (pWal->lockMask & (1 << WAL_CKPT_LOCK)) : 0) +#endif + ); + assert( mExpect==pWal->lockMask ); + } + return 1; +} + +/* +** Return and zero the "system error" field set when an +** EXCEPTION_IN_PAGE_ERROR exception is caught. +*/ +SQLITE_PRIVATE int sqlite3WalSystemErrno(Wal *pWal){ + int iRet = 0; + if( pWal ){ + iRet = pWal->iSysErrno; + pWal->iSysErrno = 0; + } + return iRet; +} + +#else +# define walAssertLockmask(x) 1 +#endif /* ifdef SQLITE_USE_SEH */ + /* ** Close a connection to a log file. */ @@ -65753,6 +66465,8 @@ SQLITE_PRIVATE int sqlite3WalClose( if( pWal ){ int isDelete = 0; /* True to unlink wal and wal-index files */ + assert( walAssertLockmask(pWal) ); + /* If an EXCLUSIVE lock can be obtained on the database file (using the ** ordinary, rollback-mode locking methods, this guarantees that the ** connection associated with this log file is the only connection to @@ -65777,7 +66491,7 @@ SQLITE_PRIVATE int sqlite3WalClose( ); if( bPersist!=1 ){ /* Try to delete the WAL file if the checkpoint completed and - ** fsyned (rc==SQLITE_OK) and if we are not in persistent-wal + ** fsynced (rc==SQLITE_OK) and if we are not in persistent-wal ** mode (!bPersist) */ isDelete = 1; }else if( pWal->mxWalSize>=0 ){ @@ -65844,7 +66558,7 @@ static SQLITE_NO_TSAN int walIndexTryHdr(Wal *pWal, int *pChanged){ ** give false-positive warnings about these accesses because the tools do not ** account for the double-read and the memory barrier. The use of mutexes ** here would be problematic as the memory being accessed is potentially - ** shared among multiple processes and not all mutex implementions work + ** shared among multiple processes and not all mutex implementations work ** reliably in that environment. */ aHdr = walIndexHdr(pWal); @@ -66295,6 +67009,7 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ assert( pWal->nWiData>0 ); assert( pWal->apWiData[0]!=0 ); pInfo = walCkptInfo(pWal); + SEH_INJECT_FAULT; if( !useWal && AtomicLoad(&pInfo->nBackfill)==pWal->hdr.mxFrame #ifdef SQLITE_ENABLE_SNAPSHOT && (pWal->pSnapshot==0 || pWal->hdr.mxFrame==0) @@ -66344,7 +67059,7 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ } #endif for(i=1; iaReadMark+i); + u32 thisMark = AtomicLoad(pInfo->aReadMark+i); SEH_INJECT_FAULT; if( mxReadMark<=thisMark && thisMark<=mxFrame ){ assert( thisMark!=READMARK_NOT_USED ); mxReadMark = thisMark; @@ -66410,7 +67125,7 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ ** we can guarantee that the checkpointer that set nBackfill could not ** see any pages past pWal->hdr.mxFrame, this problem does not come up. */ - pWal->minFrame = AtomicLoad(&pInfo->nBackfill)+1; + pWal->minFrame = AtomicLoad(&pInfo->nBackfill)+1; SEH_INJECT_FAULT; walShmBarrier(pWal); if( AtomicLoad(pInfo->aReadMark+mxI)!=mxReadMark || memcmp((void *)walIndexHdr(pWal), &pWal->hdr, sizeof(WalIndexHdr)) @@ -66425,6 +67140,54 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ } #ifdef SQLITE_ENABLE_SNAPSHOT +/* +** This function does the work of sqlite3WalSnapshotRecover(). +*/ +static int walSnapshotRecover( + Wal *pWal, /* WAL handle */ + void *pBuf1, /* Temp buffer pWal->szPage bytes in size */ + void *pBuf2 /* Temp buffer pWal->szPage bytes in size */ +){ + int szPage = (int)pWal->szPage; + int rc; + i64 szDb; /* Size of db file in bytes */ + + rc = sqlite3OsFileSize(pWal->pDbFd, &szDb); + if( rc==SQLITE_OK ){ + volatile WalCkptInfo *pInfo = walCkptInfo(pWal); + u32 i = pInfo->nBackfillAttempted; + for(i=pInfo->nBackfillAttempted; i>AtomicLoad(&pInfo->nBackfill); i--){ + WalHashLoc sLoc; /* Hash table location */ + u32 pgno; /* Page number in db file */ + i64 iDbOff; /* Offset of db file entry */ + i64 iWalOff; /* Offset of wal file entry */ + + rc = walHashGet(pWal, walFramePage(i), &sLoc); + if( rc!=SQLITE_OK ) break; + assert( i - sLoc.iZero - 1 >=0 ); + pgno = sLoc.aPgno[i-sLoc.iZero-1]; + iDbOff = (i64)(pgno-1) * szPage; + + if( iDbOff+szPage<=szDb ){ + iWalOff = walFrameOffset(i, szPage) + WAL_FRAME_HDRSIZE; + rc = sqlite3OsRead(pWal->pWalFd, pBuf1, szPage, iWalOff); + + if( rc==SQLITE_OK ){ + rc = sqlite3OsRead(pWal->pDbFd, pBuf2, szPage, iDbOff); + } + + if( rc!=SQLITE_OK || 0==memcmp(pBuf1, pBuf2, szPage) ){ + break; + } + } + + pInfo->nBackfillAttempted = i-1; + } + } + + return rc; +} + /* ** Attempt to reduce the value of the WalCkptInfo.nBackfillAttempted ** variable so that older snapshots can be accessed. To do this, loop @@ -66450,50 +67213,21 @@ SQLITE_PRIVATE int sqlite3WalSnapshotRecover(Wal *pWal){ assert( pWal->readLock>=0 ); rc = walLockExclusive(pWal, WAL_CKPT_LOCK, 1); if( rc==SQLITE_OK ){ - volatile WalCkptInfo *pInfo = walCkptInfo(pWal); - int szPage = (int)pWal->szPage; - i64 szDb; /* Size of db file in bytes */ - - rc = sqlite3OsFileSize(pWal->pDbFd, &szDb); - if( rc==SQLITE_OK ){ - void *pBuf1 = sqlite3_malloc(szPage); - void *pBuf2 = sqlite3_malloc(szPage); - if( pBuf1==0 || pBuf2==0 ){ - rc = SQLITE_NOMEM; - }else{ - u32 i = pInfo->nBackfillAttempted; - for(i=pInfo->nBackfillAttempted; i>AtomicLoad(&pInfo->nBackfill); i--){ - WalHashLoc sLoc; /* Hash table location */ - u32 pgno; /* Page number in db file */ - i64 iDbOff; /* Offset of db file entry */ - i64 iWalOff; /* Offset of wal file entry */ - - rc = walHashGet(pWal, walFramePage(i), &sLoc); - if( rc!=SQLITE_OK ) break; - assert( i - sLoc.iZero - 1 >=0 ); - pgno = sLoc.aPgno[i-sLoc.iZero-1]; - iDbOff = (i64)(pgno-1) * szPage; - - if( iDbOff+szPage<=szDb ){ - iWalOff = walFrameOffset(i, szPage) + WAL_FRAME_HDRSIZE; - rc = sqlite3OsRead(pWal->pWalFd, pBuf1, szPage, iWalOff); - - if( rc==SQLITE_OK ){ - rc = sqlite3OsRead(pWal->pDbFd, pBuf2, szPage, iDbOff); - } - - if( rc!=SQLITE_OK || 0==memcmp(pBuf1, pBuf2, szPage) ){ - break; - } - } - - pInfo->nBackfillAttempted = i-1; - } + void *pBuf1 = sqlite3_malloc(pWal->szPage); + void *pBuf2 = sqlite3_malloc(pWal->szPage); + if( pBuf1==0 || pBuf2==0 ){ + rc = SQLITE_NOMEM; + }else{ + pWal->ckptLock = 1; + SEH_TRY { + rc = walSnapshotRecover(pWal, pBuf1, pBuf2); } - - sqlite3_free(pBuf1); - sqlite3_free(pBuf2); + SEH_EXCEPT( rc = SQLITE_IOERR_IN_PAGE; ) + pWal->ckptLock = 0; } + + sqlite3_free(pBuf1); + sqlite3_free(pBuf2); walUnlockExclusive(pWal, WAL_CKPT_LOCK, 1); } @@ -66502,28 +67236,20 @@ SQLITE_PRIVATE int sqlite3WalSnapshotRecover(Wal *pWal){ #endif /* SQLITE_ENABLE_SNAPSHOT */ /* -** Begin a read transaction on the database. -** -** This routine used to be called sqlite3OpenSnapshot() and with good reason: -** it takes a snapshot of the state of the WAL and wal-index for the current -** instant in time. The current thread will continue to use this snapshot. -** Other threads might append new content to the WAL and wal-index but -** that extra content is ignored by the current thread. -** -** If the database contents have changes since the previous read -** transaction, then *pChanged is set to 1 before returning. The -** Pager layer will use this to know that its cache is stale and -** needs to be flushed. +** This function does the work of sqlite3WalBeginReadTransaction() (see +** below). That function simply calls this one inside an SEH_TRY{...} block. */ -SQLITE_PRIVATE int sqlite3WalBeginReadTransaction(Wal *pWal, int *pChanged){ +static int walBeginReadTransaction(Wal *pWal, int *pChanged){ int rc; /* Return code */ int cnt = 0; /* Number of TryBeginRead attempts */ #ifdef SQLITE_ENABLE_SNAPSHOT + int ckptLock = 0; int bChanged = 0; WalIndexHdr *pSnapshot = pWal->pSnapshot; #endif assert( pWal->ckptLock==0 ); + assert( pWal->nSehTry>0 ); #ifdef SQLITE_ENABLE_SNAPSHOT if( pSnapshot ){ @@ -66546,7 +67272,7 @@ SQLITE_PRIVATE int sqlite3WalBeginReadTransaction(Wal *pWal, int *pChanged){ if( rc!=SQLITE_OK ){ return rc; } - pWal->ckptLock = 1; + ckptLock = 1; } #endif @@ -66610,15 +67336,37 @@ SQLITE_PRIVATE int sqlite3WalBeginReadTransaction(Wal *pWal, int *pChanged){ } /* Release the shared CKPT lock obtained above. */ - if( pWal->ckptLock ){ + if( ckptLock ){ assert( pSnapshot ); walUnlockShared(pWal, WAL_CKPT_LOCK); - pWal->ckptLock = 0; } #endif return rc; } +/* +** Begin a read transaction on the database. +** +** This routine used to be called sqlite3OpenSnapshot() and with good reason: +** it takes a snapshot of the state of the WAL and wal-index for the current +** instant in time. The current thread will continue to use this snapshot. +** Other threads might append new content to the WAL and wal-index but +** that extra content is ignored by the current thread. +** +** If the database contents have changes since the previous read +** transaction, then *pChanged is set to 1 before returning. The +** Pager layer will use this to know that its cache is stale and +** needs to be flushed. +*/ +SQLITE_PRIVATE int sqlite3WalBeginReadTransaction(Wal *pWal, int *pChanged){ + int rc; + SEH_TRY { + rc = walBeginReadTransaction(pWal, pChanged); + } + SEH_EXCEPT( rc = walHandleException(pWal); ) + return rc; +} + /* ** Finish with a read transaction. All this does is release the ** read-lock. @@ -66639,7 +67387,7 @@ SQLITE_PRIVATE void sqlite3WalEndReadTransaction(Wal *pWal){ ** Return SQLITE_OK if successful, or an error code if an error occurs. If an ** error does occur, the final value of *piRead is undefined. */ -SQLITE_PRIVATE int sqlite3WalFindFrame( +static int walFindFrame( Wal *pWal, /* WAL handle */ Pgno pgno, /* Database page number to read data for */ u32 *piRead /* OUT: Frame number (or zero) */ @@ -66702,6 +67450,7 @@ SQLITE_PRIVATE int sqlite3WalFindFrame( } nCollide = HASHTABLE_NSLOT; iKey = walHash(pgno); + SEH_INJECT_FAULT; while( (iH = AtomicLoad(&sLoc.aHash[iKey]))!=0 ){ u32 iFrame = iH + sLoc.iZero; if( iFrame<=iLast && iFrame>=pWal->minFrame && sLoc.aPgno[iH-1]==pgno ){ @@ -66738,6 +67487,30 @@ SQLITE_PRIVATE int sqlite3WalFindFrame( return SQLITE_OK; } +/* +** Search the wal file for page pgno. If found, set *piRead to the frame that +** contains the page. Otherwise, if pgno is not in the wal file, set *piRead +** to zero. +** +** Return SQLITE_OK if successful, or an error code if an error occurs. If an +** error does occur, the final value of *piRead is undefined. +** +** The difference between this function and walFindFrame() is that this +** function wraps walFindFrame() in an SEH_TRY{...} block. +*/ +SQLITE_PRIVATE int sqlite3WalFindFrame( + Wal *pWal, /* WAL handle */ + Pgno pgno, /* Database page number to read data for */ + u32 *piRead /* OUT: Frame number (or zero) */ +){ + int rc; + SEH_TRY { + rc = walFindFrame(pWal, pgno, piRead); + } + SEH_EXCEPT( rc = SQLITE_IOERR_IN_PAGE; ) + return rc; +} + /* ** Read the contents of frame iRead from the wal file into buffer pOut ** (which is nOut bytes in size). Return SQLITE_OK if successful, or an @@ -66819,12 +67592,17 @@ SQLITE_PRIVATE int sqlite3WalBeginWriteTransaction(Wal *pWal){ ** time the read transaction on this connection was started, then ** the write is disallowed. */ - if( memcmp(&pWal->hdr, (void *)walIndexHdr(pWal), sizeof(WalIndexHdr))!=0 ){ + SEH_TRY { + if( memcmp(&pWal->hdr, (void *)walIndexHdr(pWal), sizeof(WalIndexHdr))!=0 ){ + rc = SQLITE_BUSY_SNAPSHOT; + } + } + SEH_EXCEPT( rc = SQLITE_IOERR_IN_PAGE; ) + + if( rc!=SQLITE_OK ){ walUnlockExclusive(pWal, WAL_WRITE_LOCK, 1); pWal->writeLock = 0; - rc = SQLITE_BUSY_SNAPSHOT; } - return rc; } @@ -66860,30 +67638,33 @@ SQLITE_PRIVATE int sqlite3WalUndo(Wal *pWal, int (*xUndo)(void *, Pgno), void *p Pgno iMax = pWal->hdr.mxFrame; Pgno iFrame; - /* Restore the clients cache of the wal-index header to the state it - ** was in before the client began writing to the database. - */ - memcpy(&pWal->hdr, (void *)walIndexHdr(pWal), sizeof(WalIndexHdr)); - - for(iFrame=pWal->hdr.mxFrame+1; - ALWAYS(rc==SQLITE_OK) && iFrame<=iMax; - iFrame++ - ){ - /* This call cannot fail. Unless the page for which the page number - ** is passed as the second argument is (a) in the cache and - ** (b) has an outstanding reference, then xUndo is either a no-op - ** (if (a) is false) or simply expels the page from the cache (if (b) - ** is false). - ** - ** If the upper layer is doing a rollback, it is guaranteed that there - ** are no outstanding references to any page other than page 1. And - ** page 1 is never written to the log until the transaction is - ** committed. As a result, the call to xUndo may not fail. + SEH_TRY { + /* Restore the clients cache of the wal-index header to the state it + ** was in before the client began writing to the database. */ - assert( walFramePgno(pWal, iFrame)!=1 ); - rc = xUndo(pUndoCtx, walFramePgno(pWal, iFrame)); + memcpy(&pWal->hdr, (void *)walIndexHdr(pWal), sizeof(WalIndexHdr)); + + for(iFrame=pWal->hdr.mxFrame+1; + ALWAYS(rc==SQLITE_OK) && iFrame<=iMax; + iFrame++ + ){ + /* This call cannot fail. Unless the page for which the page number + ** is passed as the second argument is (a) in the cache and + ** (b) has an outstanding reference, then xUndo is either a no-op + ** (if (a) is false) or simply expels the page from the cache (if (b) + ** is false). + ** + ** If the upper layer is doing a rollback, it is guaranteed that there + ** are no outstanding references to any page other than page 1. And + ** page 1 is never written to the log until the transaction is + ** committed. As a result, the call to xUndo may not fail. + */ + assert( walFramePgno(pWal, iFrame)!=1 ); + rc = xUndo(pUndoCtx, walFramePgno(pWal, iFrame)); + } + if( iMax!=pWal->hdr.mxFrame ) walCleanupHash(pWal); } - if( iMax!=pWal->hdr.mxFrame ) walCleanupHash(pWal); + SEH_EXCEPT( rc = SQLITE_IOERR_IN_PAGE; ) } return rc; } @@ -66927,7 +67708,10 @@ SQLITE_PRIVATE int sqlite3WalSavepointUndo(Wal *pWal, u32 *aWalData){ pWal->hdr.mxFrame = aWalData[0]; pWal->hdr.aFrameCksum[0] = aWalData[1]; pWal->hdr.aFrameCksum[1] = aWalData[2]; - walCleanupHash(pWal); + SEH_TRY { + walCleanupHash(pWal); + } + SEH_EXCEPT( rc = SQLITE_IOERR_IN_PAGE; ) } return rc; @@ -67108,7 +67892,7 @@ static int walRewriteChecksums(Wal *pWal, u32 iLast){ ** Write a set of frames to the log. The caller must hold the write-lock ** on the log file (obtained using sqlite3WalBeginWriteTransaction()). */ -SQLITE_PRIVATE int sqlite3WalFrames( +static int walFrames( Wal *pWal, /* Wal handle to write to */ int szPage, /* Database page-size in bytes */ PgHdr *pList, /* List of dirty pages to write */ @@ -67219,7 +68003,7 @@ SQLITE_PRIVATE int sqlite3WalFrames( ** checksums must be recomputed when the transaction is committed. */ if( iFirst && (p->pDirty || isCommit==0) ){ u32 iWrite = 0; - VVA_ONLY(rc =) sqlite3WalFindFrame(pWal, p->pgno, &iWrite); + VVA_ONLY(rc =) walFindFrame(pWal, p->pgno, &iWrite); assert( rc==SQLITE_OK || iWrite==0 ); if( iWrite>=iFirst ){ i64 iOff = walFrameOffset(iWrite, szPage) + WAL_FRAME_HDRSIZE; @@ -67338,6 +68122,29 @@ SQLITE_PRIVATE int sqlite3WalFrames( return rc; } +/* +** Write a set of frames to the log. The caller must hold the write-lock +** on the log file (obtained using sqlite3WalBeginWriteTransaction()). +** +** The difference between this function and walFrames() is that this +** function wraps walFrames() in an SEH_TRY{...} block. +*/ +SQLITE_PRIVATE int sqlite3WalFrames( + Wal *pWal, /* Wal handle to write to */ + int szPage, /* Database page-size in bytes */ + PgHdr *pList, /* List of dirty pages to write */ + Pgno nTruncate, /* Database size after this commit */ + int isCommit, /* True if this is a commit */ + int sync_flags /* Flags to pass to OsSync() (or 0) */ +){ + int rc; + SEH_TRY { + rc = walFrames(pWal, szPage, pList, nTruncate, isCommit, sync_flags); + } + SEH_EXCEPT( rc = walHandleException(pWal); ) + return rc; +} + /* ** This routine is called to implement sqlite3_wal_checkpoint() and ** related interfaces. @@ -67417,30 +68224,33 @@ SQLITE_PRIVATE int sqlite3WalCheckpoint( /* Read the wal-index header. */ - if( rc==SQLITE_OK ){ - walDisableBlocking(pWal); - rc = walIndexReadHdr(pWal, &isChanged); - (void)walEnableBlocking(pWal); - if( isChanged && pWal->pDbFd->pMethods->iVersion>=3 ){ - sqlite3OsUnfetch(pWal->pDbFd, 0, 0); + SEH_TRY { + if( rc==SQLITE_OK ){ + walDisableBlocking(pWal); + rc = walIndexReadHdr(pWal, &isChanged); + (void)walEnableBlocking(pWal); + if( isChanged && pWal->pDbFd->pMethods->iVersion>=3 ){ + sqlite3OsUnfetch(pWal->pDbFd, 0, 0); + } } - } - - /* Copy data from the log to the database file. */ - if( rc==SQLITE_OK ){ - if( pWal->hdr.mxFrame && walPagesize(pWal)!=nBuf ){ - rc = SQLITE_CORRUPT_BKPT; - }else{ - rc = walCheckpoint(pWal, db, eMode2, xBusy2, pBusyArg, sync_flags, zBuf); - } + /* Copy data from the log to the database file. */ + if( rc==SQLITE_OK ){ + if( pWal->hdr.mxFrame && walPagesize(pWal)!=nBuf ){ + rc = SQLITE_CORRUPT_BKPT; + }else{ + rc = walCheckpoint(pWal, db, eMode2, xBusy2, pBusyArg, sync_flags,zBuf); + } - /* If no error occurred, set the output variables. */ - if( rc==SQLITE_OK || rc==SQLITE_BUSY ){ - if( pnLog ) *pnLog = (int)pWal->hdr.mxFrame; - if( pnCkpt ) *pnCkpt = (int)(walCkptInfo(pWal)->nBackfill); + /* If no error occurred, set the output variables. */ + if( rc==SQLITE_OK || rc==SQLITE_BUSY ){ + if( pnLog ) *pnLog = (int)pWal->hdr.mxFrame; + SEH_INJECT_FAULT; + if( pnCkpt ) *pnCkpt = (int)(walCkptInfo(pWal)->nBackfill); + } } } + SEH_EXCEPT( rc = walHandleException(pWal); ) if( isChanged ){ /* If a new wal-index header was loaded before the checkpoint was @@ -67517,7 +68327,9 @@ SQLITE_PRIVATE int sqlite3WalExclusiveMode(Wal *pWal, int op){ ** locks are taken in this case). Nor should the pager attempt to ** upgrade to exclusive-mode following such an error. */ +#ifndef SQLITE_USE_SEH assert( pWal->readLock>=0 || pWal->lockError ); +#endif assert( pWal->readLock>=0 || (op<=0 && pWal->exclusiveMode==0) ); if( op==0 ){ @@ -67618,16 +68430,19 @@ SQLITE_API int sqlite3_snapshot_cmp(sqlite3_snapshot *p1, sqlite3_snapshot *p2){ */ SQLITE_PRIVATE int sqlite3WalSnapshotCheck(Wal *pWal, sqlite3_snapshot *pSnapshot){ int rc; - rc = walLockShared(pWal, WAL_CKPT_LOCK); - if( rc==SQLITE_OK ){ - WalIndexHdr *pNew = (WalIndexHdr*)pSnapshot; - if( memcmp(pNew->aSalt, pWal->hdr.aSalt, sizeof(pWal->hdr.aSalt)) - || pNew->mxFramenBackfillAttempted - ){ - rc = SQLITE_ERROR_SNAPSHOT; - walUnlockShared(pWal, WAL_CKPT_LOCK); + SEH_TRY { + rc = walLockShared(pWal, WAL_CKPT_LOCK); + if( rc==SQLITE_OK ){ + WalIndexHdr *pNew = (WalIndexHdr*)pSnapshot; + if( memcmp(pNew->aSalt, pWal->hdr.aSalt, sizeof(pWal->hdr.aSalt)) + || pNew->mxFramenBackfillAttempted + ){ + rc = SQLITE_ERROR_SNAPSHOT; + walUnlockShared(pWal, WAL_CKPT_LOCK); + } } } + SEH_EXCEPT( rc = walHandleException(pWal); ) return rc; } @@ -67866,7 +68681,7 @@ SQLITE_PRIVATE sqlite3_file *sqlite3WalFile(Wal *pWal){ ** 0x81 0x00 becomes 0x00000080 ** 0x82 0x00 becomes 0x00000100 ** 0x80 0x7f becomes 0x0000007f -** 0x8a 0x91 0xd1 0xac 0x78 becomes 0x12345678 +** 0x81 0x91 0xd1 0xac 0x78 becomes 0x12345678 ** 0x81 0x81 0x81 0x81 0x01 becomes 0x10204081 ** ** Variable length integers are used for rowids and to hold the number of @@ -67949,7 +68764,7 @@ typedef struct CellInfo CellInfo; ** page that has been loaded into memory. The information in this object ** is derived from the raw on-disk page content. ** -** As each database page is loaded into memory, the pager allocats an +** As each database page is loaded into memory, the pager allocates an ** instance of this object and zeros the first 8 bytes. (This is the ** "extra" information associated with each page of the pager.) ** @@ -68405,7 +69220,7 @@ struct IntegrityCk { /* ** get2byteAligned(), unlike get2byte(), requires that its argument point to a -** two-byte aligned address. get2bytea() is only used for accessing the +** two-byte aligned address. get2byteAligned() is only used for accessing the ** cell addresses in a btree header. */ #if SQLITE_BYTEORDER==4321 @@ -68582,7 +69397,7 @@ SQLITE_PRIVATE int sqlite3BtreeHoldsMutex(Btree *p){ ** ** There is a corresponding leave-all procedures. ** -** Enter the mutexes in accending order by BtShared pointer address +** Enter the mutexes in ascending order by BtShared pointer address ** to avoid the possibility of deadlock when two threads with ** two or more btrees in common both try to lock all their btrees ** at the same instant. @@ -68714,6 +69529,7 @@ SQLITE_PRIVATE void sqlite3BtreeLeaveCursor(BtCursor *pCur){ /************** End of btmutex.c *********************************************/ /************** Begin file btree.c *******************************************/ + /* ** 2004 April 6 ** @@ -70249,7 +71065,7 @@ static void ptrmapPutOvflPtr(MemPage *pPage, MemPage *pSrc, u8 *pCell,int *pRC){ pPage->xParseCell(pPage, pCell, &info); if( info.nLocalaDataEnd, pCell, pCell+info.nLocal) ){ + if( SQLITE_OVERFLOW(pSrc->aDataEnd, pCell, pCell+info.nLocal) ){ testcase( pSrc!=pPage ); *pRC = SQLITE_CORRUPT_BKPT; return; @@ -70350,7 +71166,7 @@ static int defragmentPage(MemPage *pPage, int nMaxFrag){ iCellStart = get2byte(&data[hdr+5]); if( nCell>0 ){ temp = sqlite3PagerTempSpace(pPage->pBt->pPager); - memcpy(&temp[iCellStart], &data[iCellStart], usableSize - iCellStart); + memcpy(temp, data, usableSize); src = temp; for(i=0; iiPage. -** -** The page is fetched as read-write unless pCur is not NULL and is -** a read-only cursor. -** -** If an error occurs, then *ppPage is undefined. It -** may remain unchanged, or it may be set to an invalid value. */ static int getAndInitPage( BtShared *pBt, /* The database file */ Pgno pgno, /* Number of the page to get */ MemPage **ppPage, /* Write the page pointer here */ - BtCursor *pCur, /* Cursor to receive the page, or NULL */ int bReadOnly /* True for a read-only page */ ){ int rc; DbPage *pDbPage; + MemPage *pPage; assert( sqlite3_mutex_held(pBt->mutex) ); - assert( pCur==0 || ppPage==&pCur->pPage ); - assert( pCur==0 || bReadOnly==pCur->curPagerFlags ); - assert( pCur==0 || pCur->iPage>0 ); if( pgno>btreePagecount(pBt) ){ - rc = SQLITE_CORRUPT_BKPT; - goto getAndInitPage_error1; + *ppPage = 0; + return SQLITE_CORRUPT_BKPT; } rc = sqlite3PagerGet(pBt->pPager, pgno, (DbPage**)&pDbPage, bReadOnly); if( rc ){ - goto getAndInitPage_error1; + *ppPage = 0; + return rc; } - *ppPage = (MemPage*)sqlite3PagerGetExtra(pDbPage); - if( (*ppPage)->isInit==0 ){ + pPage = (MemPage*)sqlite3PagerGetExtra(pDbPage); + if( pPage->isInit==0 ){ btreePageFromDbPage(pDbPage, pgno, pBt); - rc = btreeInitPage(*ppPage); + rc = btreeInitPage(pPage); if( rc!=SQLITE_OK ){ - goto getAndInitPage_error2; + releasePage(pPage); + *ppPage = 0; + return rc; } } - assert( (*ppPage)->pgno==pgno || CORRUPT_DB ); - assert( (*ppPage)->aData==sqlite3PagerGetData(pDbPage) ); - - /* If obtaining a child page for a cursor, we must verify that the page is - ** compatible with the root page. */ - if( pCur && ((*ppPage)->nCell<1 || (*ppPage)->intKey!=pCur->curIntKey) ){ - rc = SQLITE_CORRUPT_PGNO(pgno); - goto getAndInitPage_error2; - } + assert( pPage->pgno==pgno || CORRUPT_DB ); + assert( pPage->aData==sqlite3PagerGetData(pDbPage) ); + *ppPage = pPage; return SQLITE_OK; - -getAndInitPage_error2: - releasePage(*ppPage); -getAndInitPage_error1: - if( pCur ){ - pCur->iPage--; - pCur->pPage = pCur->apPage[pCur->iPage]; - } - testcase( pgno==0 ); - assert( pgno!=0 || rc!=SQLITE_OK ); - return rc; } /* @@ -71177,7 +71966,7 @@ static void pageReinit(DbPage *pData){ ** call to btreeInitPage() will likely return SQLITE_CORRUPT. ** But no harm is done by this. And it is very important that ** btreeInitPage() be called on every btree page so we make - ** the call for every page that comes in for re-initing. */ + ** the call for every page that comes in for re-initializing. */ btreeInitPage(pPage); } } @@ -71356,6 +72145,9 @@ SQLITE_PRIVATE int sqlite3BtreeOpen( assert( sizeof(u16)==2 ); assert( sizeof(Pgno)==4 ); + /* Suppress false-positive compiler warning from PVS-Studio */ + memset(&zDbHeader[16], 0, 8); + pBt = sqlite3MallocZero( sizeof(*pBt) ); if( pBt==0 ){ rc = SQLITE_NOMEM_BKPT; @@ -71572,7 +72364,7 @@ static SQLITE_NOINLINE int allocateTempSpace(BtShared *pBt){ ** can mean that fillInCell() only initializes the first 2 or 3 ** bytes of pTmpSpace, but that the first 4 bytes are copied from ** it into a database page. This is not actually a problem, but it - ** does cause a valgrind error when the 1 or 2 bytes of unitialized + ** does cause a valgrind error when the 1 or 2 bytes of uninitialized ** data is passed to system call write(). So to avoid this error, ** zero the first 4 bytes of temp space here. ** @@ -71807,7 +72599,7 @@ SQLITE_PRIVATE int sqlite3BtreeGetReserveNoMutex(Btree *p){ /* ** Return the number of bytes of space at the end of every page that -** are intentually left unused. This is the "reserved" space that is +** are intentionally left unused. This is the "reserved" space that is ** sometimes used by extensions. ** ** The value returned is the larger of the current reserve size and @@ -72054,7 +72846,6 @@ static int lockBtree(BtShared *pBt){ ){ goto page1_init_failed; } - pBt->btsFlags |= BTS_PAGESIZE_FIXED; assert( (pageSize & 7)==0 ); /* EVIDENCE-OF: R-59310-51205 The "reserved space" size in the 1-byte ** integer at offset 20 is the number of bytes of space at the end of @@ -72074,6 +72865,7 @@ static int lockBtree(BtShared *pBt){ releasePageOne(pPage1); pBt->usableSize = usableSize; pBt->pageSize = pageSize; + pBt->btsFlags |= BTS_PAGESIZE_FIXED; freeTempSpace(pBt); rc = sqlite3PagerSetPagesize(pBt->pPager, &pBt->pageSize, pageSize-usableSize); @@ -72093,6 +72885,7 @@ static int lockBtree(BtShared *pBt){ if( usableSize<480 ){ goto page1_init_failed; } + pBt->btsFlags |= BTS_PAGESIZE_FIXED; pBt->pageSize = pageSize; pBt->usableSize = usableSize; #ifndef SQLITE_OMIT_AUTOVACUUM @@ -72271,7 +73064,11 @@ SQLITE_PRIVATE int sqlite3BtreeNewDb(Btree *p){ ** when A already has a read lock, we encourage A to give up and let B ** proceed. */ -SQLITE_PRIVATE int sqlite3BtreeBeginTrans(Btree *p, int wrflag, int *pSchemaVersion){ +static SQLITE_NOINLINE int btreeBeginTrans( + Btree *p, /* The btree in which to start the transaction */ + int wrflag, /* True to start a write transaction */ + int *pSchemaVersion /* Put schema version number here, if not NULL */ +){ BtShared *pBt = p->pBt; Pager *pPager = pBt->pPager; int rc = SQLITE_OK; @@ -72443,6 +73240,28 @@ trans_begun: sqlite3BtreeLeave(p); return rc; } +SQLITE_PRIVATE int sqlite3BtreeBeginTrans(Btree *p, int wrflag, int *pSchemaVersion){ + BtShared *pBt; + if( p->sharable + || p->inTrans==TRANS_NONE + || (p->inTrans==TRANS_READ && wrflag!=0) + ){ + return btreeBeginTrans(p,wrflag,pSchemaVersion); + } + pBt = p->pBt; + if( pSchemaVersion ){ + *pSchemaVersion = get4byte(&pBt->pPage1->aData[40]); + } + if( wrflag ){ + /* This call makes sure that the pager has the correct number of + ** open savepoints. If the second parameter is greater than 0 and + ** the sub-journal is not already open, then it will be opened here. + */ + return sqlite3PagerOpenSavepoint(pBt->pPager, p->db->nSavepoint); + }else{ + return SQLITE_OK; + } +} #ifndef SQLITE_OMIT_AUTOVACUUM @@ -73538,7 +74357,6 @@ SQLITE_PRIVATE void sqlite3BtreeCursorUnpin(BtCursor *pCur){ pCur->curFlags &= ~BTCF_Pinned; } -#ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC /* ** Return the offset into the database file for the start of the ** payload to which the cursor is pointing. @@ -73550,7 +74368,6 @@ SQLITE_PRIVATE i64 sqlite3BtreeOffset(BtCursor *pCur){ return (i64)pCur->pBt->pageSize*((i64)pCur->pPage->pgno - 1) + (i64)(pCur->info.pPayload - pCur->pPage->aData); } -#endif /* SQLITE_ENABLE_OFFSET_SQL_FUNC */ /* ** Return the number of bytes of payload for the entry that pCur is @@ -73576,7 +74393,7 @@ SQLITE_PRIVATE u32 sqlite3BtreePayloadSize(BtCursor *pCur){ ** routine always returns 2147483647 (which is the largest record ** that SQLite can handle) or more. But returning a smaller value might ** prevent large memory allocations when trying to interpret a -** corrupt datrabase. +** corrupt database. ** ** The current implementation merely returns the size of the underlying ** database file. @@ -74038,6 +74855,7 @@ SQLITE_PRIVATE const void *sqlite3BtreePayloadFetch(BtCursor *pCur, u32 *pAmt){ ** vice-versa). */ static int moveToChild(BtCursor *pCur, u32 newPgno){ + int rc; assert( cursorOwnsBtShared(pCur) ); assert( pCur->eState==CURSOR_VALID ); assert( pCur->iPageapPage[pCur->iPage] = pCur->pPage; pCur->ix = 0; pCur->iPage++; - return getAndInitPage(pCur->pBt, newPgno, &pCur->pPage, pCur, - pCur->curPagerFlags); + rc = getAndInitPage(pCur->pBt, newPgno, &pCur->pPage, pCur->curPagerFlags); + assert( pCur->pPage!=0 || rc!=SQLITE_OK ); + if( rc==SQLITE_OK + && (pCur->pPage->nCell<1 || pCur->pPage->intKey!=pCur->curIntKey) + ){ + releasePage(pCur->pPage); + rc = SQLITE_CORRUPT_PGNO(newPgno); + } + if( rc ){ + pCur->pPage = pCur->apPage[--pCur->iPage]; + } + return rc; } #ifdef SQLITE_DEBUG @@ -74159,7 +74987,7 @@ static int moveToRoot(BtCursor *pCur){ sqlite3BtreeClearCursor(pCur); } rc = getAndInitPage(pCur->pBt, pCur->pgnoRoot, &pCur->pPage, - 0, pCur->curPagerFlags); + pCur->curPagerFlags); if( rc!=SQLITE_OK ){ pCur->eState = CURSOR_INVALID; return rc; @@ -74271,7 +75099,7 @@ SQLITE_PRIVATE int sqlite3BtreeFirst(BtCursor *pCur, int *pRes){ *pRes = 0; rc = moveToLeftmost(pCur); }else if( rc==SQLITE_EMPTY ){ - assert( pCur->pgnoRoot==0 || pCur->pPage->nCell==0 ); + assert( pCur->pgnoRoot==0 || (pCur->pPage!=0 && pCur->pPage->nCell==0) ); *pRes = 1; rc = SQLITE_OK; } @@ -74376,7 +75204,7 @@ SQLITE_PRIVATE int sqlite3BtreeTableMoveto( /* If the requested key is one more than the previous key, then ** try to get there using sqlite3BtreeNext() rather than a full ** binary search. This is an optimization only. The correct answer - ** is still obtained without this case, only a little more slowely */ + ** is still obtained without this case, only a little more slowly. */ if( pCur->info.nKey+1==intKey ){ *pRes = 0; rc = sqlite3BtreeNext(pCur, 0); @@ -74772,10 +75600,36 @@ bypass_moveto_root: }else{ chldPg = get4byte(findCell(pPage, lwr)); } - pCur->ix = (u16)lwr; - rc = moveToChild(pCur, chldPg); - if( rc ) break; - } + + /* This block is similar to an in-lined version of: + ** + ** pCur->ix = (u16)lwr; + ** rc = moveToChild(pCur, chldPg); + ** if( rc ) break; + */ + pCur->info.nSize = 0; + pCur->curFlags &= ~(BTCF_ValidNKey|BTCF_ValidOvfl); + if( pCur->iPage>=(BTCURSOR_MAX_DEPTH-1) ){ + return SQLITE_CORRUPT_BKPT; + } + pCur->aiIdx[pCur->iPage] = (u16)lwr; + pCur->apPage[pCur->iPage] = pCur->pPage; + pCur->ix = 0; + pCur->iPage++; + rc = getAndInitPage(pCur->pBt, chldPg, &pCur->pPage, pCur->curPagerFlags); + if( rc==SQLITE_OK + && (pCur->pPage->nCell<1 || pCur->pPage->intKey!=pCur->curIntKey) + ){ + releasePage(pCur->pPage); + rc = SQLITE_CORRUPT_PGNO(chldPg); + } + if( rc ){ + pCur->pPage = pCur->apPage[--pCur->iPage]; + break; + } + /* + ***** End of in-lined moveToChild() call */ + } moveto_index_finish: pCur->info.nSize = 0; assert( (pCur->curFlags & BTCF_ValidOvfl)==0 ); @@ -75559,7 +76413,7 @@ static SQLITE_NOINLINE int clearCellOverflow( /* Call xParseCell to compute the size of a cell. If the cell contains ** overflow, then invoke cellClearOverflow to clear out that overflow. -** STore the result code (SQLITE_OK or some error code) in rc. +** Store the result code (SQLITE_OK or some error code) in rc. ** ** Implemented as macro to force inlining for performance. */ @@ -76175,7 +77029,7 @@ static int rebuildPage( if( NEVER(j>(u32)usableSize) ){ j = 0; } memcpy(&pTmp[j], &aData[j], usableSize - j); - for(k=0; pCArray->ixNx[k]<=i && ALWAYS(kixNx[k]<=i; k++){} pSrcEnd = pCArray->apEnd[k]; pData = pEnd; @@ -76238,7 +77092,7 @@ static int rebuildPage( ** Finally, argument pBegin points to the byte immediately following the ** end of the space required by this page for the cell-pointer area (for ** all cells - not just those inserted by the current call). If the content -** area must be extended to before this point in order to accomodate all +** area must be extended to before this point in order to accommodate all ** cells in apCell[], then the cells do not fit and non-zero is returned. */ static int pageInsertArray( @@ -76258,7 +77112,7 @@ static int pageInsertArray( u8 *pEnd; /* Maximum extent of cell data */ assert( CORRUPT_DB || pPg->hdrOffset==0 ); /* Never called on page 1 */ if( iEnd<=iFirst ) return 0; - for(k=0; pCArray->ixNx[k]<=i && ALWAYS(kixNx[k]<=i ; k++){} pEnd = pCArray->apEnd[k]; while( 1 /*Exit by break*/ ){ int sz, rc; @@ -76553,7 +77407,7 @@ static int balance_quick(MemPage *pParent, MemPage *pPage, u8 *pSpace){ ** with entries for the new page, and any pointer from the ** cell on the page to an overflow page. If either of these ** operations fails, the return code is set, but the contents - ** of the parent page are still manipulated by thh code below. + ** of the parent page are still manipulated by the code below. ** That is Ok, at this point the parent page is guaranteed to ** be marked as dirty. Returning an error code will cause a ** rollback, undoing any changes made to the parent page. @@ -76829,7 +77683,7 @@ static int balance_nonroot( pgno = get4byte(pRight); while( 1 ){ if( rc==SQLITE_OK ){ - rc = getAndInitPage(pBt, pgno, &apOld[i], 0, 0); + rc = getAndInitPage(pBt, pgno, &apOld[i], 0); } if( rc ){ memset(apOld, 0, (i+1)*sizeof(MemPage*)); @@ -77143,7 +77997,7 @@ static int balance_nonroot( } } - /* Sanity check: For a non-corrupt database file one of the follwing + /* Sanity check: For a non-corrupt database file one of the following ** must be true: ** (1) We found one or more cells (cntNew[0])>0), or ** (2) pPage is a virtual root page. A virtual root page is when @@ -77368,9 +78222,9 @@ static int balance_nonroot( iOvflSpace += sz; assert( sz<=pBt->maxLocal+23 ); assert( iOvflSpace <= (int)pBt->pageSize ); - for(k=0; b.ixNx[k]<=j && ALWAYS(k=0 && iPg=1 || i>=0 ); + assert( iPg=0 /* On the upwards pass, or... */ || cntOld[iPg-1]>=cntNew[iPg-1] /* Condition (1) is true */ @@ -77760,7 +78616,7 @@ static int btreeOverwriteContent( ){ int nData = pX->nData - iOffset; if( nData<=0 ){ - /* Overwritting with zeros */ + /* Overwriting with zeros */ int i; for(i=0; ipData to write */ @@ -78543,7 +79399,7 @@ static int btreeCreateTable(Btree *p, Pgno *piTable, int createTabFlags){ MemPage *pRoot; Pgno pgnoRoot; int rc; - int ptfFlags; /* Page-type flage for the root page of new table */ + int ptfFlags; /* Page-type flags for the root page of new table */ assert( sqlite3BtreeHoldsMutex(p) ); assert( pBt->inTransaction==TRANS_WRITE ); @@ -78712,7 +79568,7 @@ static int clearDatabasePage( if( pgno>btreePagecount(pBt) ){ return SQLITE_CORRUPT_BKPT; } - rc = getAndInitPage(pBt, pgno, &pPage, 0, 0); + rc = getAndInitPage(pBt, pgno, &pPage, 0); if( rc ) return rc; if( (pBt->openFlags & BTREE_SINGLE)==0 && sqlite3PagerPageRefcount(pPage->pDbPage) != (1 + (pgno==1)) @@ -79378,7 +80234,7 @@ static int checkTreePage( if( iPage==0 ) return 0; if( checkRef(pCheck, iPage) ) return 0; pCheck->zPfx = "Tree %u page %u: "; - pCheck->v0 = pCheck->v1 = iPage; + pCheck->v1 = iPage; if( (rc = btreeGetPage(pBt, iPage, &pPage, 0))!=0 ){ checkAppendMsg(pCheck, "unable to get the page. error code=%d", rc); @@ -79715,6 +80571,7 @@ SQLITE_PRIVATE int sqlite3BtreeIntegrityCheck( checkPtrmap(&sCheck, aRoot[i], PTRMAP_ROOTPAGE, 0); } #endif + sCheck.v0 = aRoot[i]; checkTreePage(&sCheck, aRoot[i], ¬Used, LARGEST_INT64); } pBt->db->flags = savedDbFlags; @@ -81141,6 +81998,40 @@ SQLITE_PRIVATE int sqlite3VdbeMemClearAndResize(Mem *pMem, int szNew){ return SQLITE_OK; } +/* +** If pMem is already a string, detect if it is a zero-terminated +** string, or make it into one if possible, and mark it as such. +** +** This is an optimization. Correct operation continues even if +** this routine is a no-op. +*/ +SQLITE_PRIVATE void sqlite3VdbeMemZeroTerminateIfAble(Mem *pMem){ + if( (pMem->flags & (MEM_Str|MEM_Term|MEM_Ephem|MEM_Static))!=MEM_Str ){ + /* pMem must be a string, and it cannot be an ephemeral or static string */ + return; + } + if( pMem->enc!=SQLITE_UTF8 ) return; + if( NEVER(pMem->z==0) ) return; + if( pMem->flags & MEM_Dyn ){ + if( pMem->xDel==sqlite3_free + && sqlite3_msize(pMem->z) >= (u64)(pMem->n+1) + ){ + pMem->z[pMem->n] = 0; + pMem->flags |= MEM_Term; + return; + } + if( pMem->xDel==(void(*)(void*))sqlite3RCStrUnref ){ + /* Blindly assume that all RCStr objects are zero-terminated */ + pMem->flags |= MEM_Term; + return; + } + }else if( pMem->szMalloc >= pMem->n+1 ){ + pMem->z[pMem->n] = 0; + pMem->flags |= MEM_Term; + return; + } +} + /* ** It is already known that pMem contains an unterminated string. ** Add the zero terminator. @@ -81402,36 +82293,6 @@ SQLITE_PRIVATE void sqlite3VdbeMemReleaseMalloc(Mem *p){ if( p->szMalloc ) vdbeMemClear(p); } -/* -** Convert a 64-bit IEEE double into a 64-bit signed integer. -** If the double is out of range of a 64-bit signed integer then -** return the closest available 64-bit signed integer. -*/ -static SQLITE_NOINLINE i64 doubleToInt64(double r){ -#ifdef SQLITE_OMIT_FLOATING_POINT - /* When floating-point is omitted, double and int64 are the same thing */ - return r; -#else - /* - ** Many compilers we encounter do not define constants for the - ** minimum and maximum 64-bit integers, or they define them - ** inconsistently. And many do not understand the "LL" notation. - ** So we define our own static constants here using nothing - ** larger than a 32-bit integer constant. - */ - static const i64 maxInt = LARGEST_INT64; - static const i64 minInt = SMALLEST_INT64; - - if( r<=(double)minInt ){ - return minInt; - }else if( r>=(double)maxInt ){ - return maxInt; - }else{ - return (i64)r; - } -#endif -} - /* ** Return some kind of integer value which is the best we can do ** at representing the value that *pMem describes as an integer. @@ -81458,7 +82319,7 @@ SQLITE_PRIVATE i64 sqlite3VdbeIntValue(const Mem *pMem){ testcase( flags & MEM_IntReal ); return pMem->u.i; }else if( flags & MEM_Real ){ - return doubleToInt64(pMem->u.r); + return sqlite3RealToI64(pMem->u.r); }else if( (flags & (MEM_Str|MEM_Blob))!=0 && pMem->z!=0 ){ return memIntValue(pMem); }else{ @@ -81520,7 +82381,7 @@ SQLITE_PRIVATE void sqlite3VdbeIntegerAffinity(Mem *pMem){ if( pMem->flags & MEM_IntReal ){ MemSetTypeFlag(pMem, MEM_Int); }else{ - i64 ix = doubleToInt64(pMem->u.r); + i64 ix = sqlite3RealToI64(pMem->u.r); /* Only mark the value as an integer if ** @@ -81588,8 +82449,8 @@ SQLITE_PRIVATE int sqlite3RealSameAsInt(double r1, sqlite3_int64 i){ ** from UBSAN. */ SQLITE_PRIVATE i64 sqlite3RealToI64(double r){ - if( r<=(double)SMALLEST_INT64 ) return SMALLEST_INT64; - if( r>=(double)LARGEST_INT64) return LARGEST_INT64; + if( r<-9223372036854774784.0 ) return SMALLEST_INT64; + if( r>+9223372036854774784.0 ) return LARGEST_INT64; return (i64)r; } @@ -81660,6 +82521,7 @@ SQLITE_PRIVATE int sqlite3VdbeMemCast(Mem *pMem, u8 aff, u8 encoding){ break; } default: { + int rc; assert( aff==SQLITE_AFF_TEXT ); assert( MEM_Str==(MEM_Blob>>3) ); pMem->flags |= (pMem->flags&MEM_Blob)>>3; @@ -81667,7 +82529,9 @@ SQLITE_PRIVATE int sqlite3VdbeMemCast(Mem *pMem, u8 aff, u8 encoding){ assert( pMem->flags & MEM_Str || pMem->db->mallocFailed ); pMem->flags &= ~(MEM_Int|MEM_Real|MEM_IntReal|MEM_Blob|MEM_Zero); if( encoding!=SQLITE_UTF8 ) pMem->n &= ~1; - return sqlite3VdbeChangeEncoding(pMem, encoding); + rc = sqlite3VdbeChangeEncoding(pMem, encoding); + if( rc ) return rc; + sqlite3VdbeMemZeroTerminateIfAble(pMem); } } return SQLITE_OK; @@ -82191,6 +83055,24 @@ SQLITE_PRIVATE const void *sqlite3ValueText(sqlite3_value* pVal, u8 enc){ return valueToText(pVal, enc); } +/* Return true if sqlit3_value object pVal is a string or blob value +** that uses the destructor specified in the second argument. +** +** TODO: Maybe someday promote this interface into a published API so +** that third-party extensions can get access to it? +*/ +SQLITE_PRIVATE int sqlite3ValueIsOfClass(const sqlite3_value *pVal, void(*xFree)(void*)){ + if( ALWAYS(pVal!=0) + && ALWAYS((pVal->flags & (MEM_Str|MEM_Blob))!=0) + && (pVal->flags & MEM_Dyn)!=0 + && pVal->xDel==xFree + ){ + return 1; + }else{ + return 0; + } +} + /* ** Create a new sqlite3_value object. */ @@ -82258,6 +83140,7 @@ static sqlite3_value *valueNew(sqlite3 *db, struct ValueNewStat4Ctx *p){ } pRec->nField = p->iVal+1; + sqlite3VdbeMemSetNull(&pRec->aMem[p->iVal]); return &pRec->aMem[p->iVal]; } #else @@ -83046,6 +83929,35 @@ static void test_addop_breakpoint(int pc, Op *pOp){ } #endif +/* +** Slow paths for sqlite3VdbeAddOp3() and sqlite3VdbeAddOp4Int() for the +** unusual case when we need to increase the size of the Vdbe.aOp[] array +** before adding the new opcode. +*/ +static SQLITE_NOINLINE int growOp3(Vdbe *p, int op, int p1, int p2, int p3){ + assert( p->nOpAlloc<=p->nOp ); + if( growOpArray(p, 1) ) return 1; + assert( p->nOpAlloc>p->nOp ); + return sqlite3VdbeAddOp3(p, op, p1, p2, p3); +} +static SQLITE_NOINLINE int addOp4IntSlow( + Vdbe *p, /* Add the opcode to this VM */ + int op, /* The new opcode */ + int p1, /* The P1 operand */ + int p2, /* The P2 operand */ + int p3, /* The P3 operand */ + int p4 /* The P4 operand as an integer */ +){ + int addr = sqlite3VdbeAddOp3(p, op, p1, p2, p3); + if( p->db->mallocFailed==0 ){ + VdbeOp *pOp = &p->aOp[addr]; + pOp->p4type = P4_INT32; + pOp->p4.i = p4; + } + return addr; +} + + /* ** Add a new instruction to the list of instructions current in the ** VDBE. Return the address of the new instruction. @@ -83056,17 +83968,16 @@ static void test_addop_breakpoint(int pc, Op *pOp){ ** ** op The opcode for this instruction ** -** p1, p2, p3 Operands -** -** Use the sqlite3VdbeResolveLabel() function to fix an address and -** the sqlite3VdbeChangeP4() function to change the value of the P4 -** operand. +** p1, p2, p3, p4 Operands */ -static SQLITE_NOINLINE int growOp3(Vdbe *p, int op, int p1, int p2, int p3){ - assert( p->nOpAlloc<=p->nOp ); - if( growOpArray(p, 1) ) return 1; - assert( p->nOpAlloc>p->nOp ); - return sqlite3VdbeAddOp3(p, op, p1, p2, p3); +SQLITE_PRIVATE int sqlite3VdbeAddOp0(Vdbe *p, int op){ + return sqlite3VdbeAddOp3(p, op, 0, 0, 0); +} +SQLITE_PRIVATE int sqlite3VdbeAddOp1(Vdbe *p, int op, int p1){ + return sqlite3VdbeAddOp3(p, op, p1, 0, 0); +} +SQLITE_PRIVATE int sqlite3VdbeAddOp2(Vdbe *p, int op, int p1, int p2){ + return sqlite3VdbeAddOp3(p, op, p1, p2, 0); } SQLITE_PRIVATE int sqlite3VdbeAddOp3(Vdbe *p, int op, int p1, int p2, int p3){ int i; @@ -83089,6 +84000,9 @@ SQLITE_PRIVATE int sqlite3VdbeAddOp3(Vdbe *p, int op, int p1, int p2, int p3){ pOp->p3 = p3; pOp->p4.p = 0; pOp->p4type = P4_NOTUSED; + + /* Replicate this logic in sqlite3VdbeAddOp4Int() + ** vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv */ #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS pOp->zComment = 0; #endif @@ -83105,16 +84019,59 @@ SQLITE_PRIVATE int sqlite3VdbeAddOp3(Vdbe *p, int op, int p1, int p2, int p3){ #ifdef SQLITE_VDBE_COVERAGE pOp->iSrcLine = 0; #endif + /* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + ** Replicate in sqlite3VdbeAddOp4Int() */ + return i; } -SQLITE_PRIVATE int sqlite3VdbeAddOp0(Vdbe *p, int op){ - return sqlite3VdbeAddOp3(p, op, 0, 0, 0); -} -SQLITE_PRIVATE int sqlite3VdbeAddOp1(Vdbe *p, int op, int p1){ - return sqlite3VdbeAddOp3(p, op, p1, 0, 0); -} -SQLITE_PRIVATE int sqlite3VdbeAddOp2(Vdbe *p, int op, int p1, int p2){ - return sqlite3VdbeAddOp3(p, op, p1, p2, 0); +SQLITE_PRIVATE int sqlite3VdbeAddOp4Int( + Vdbe *p, /* Add the opcode to this VM */ + int op, /* The new opcode */ + int p1, /* The P1 operand */ + int p2, /* The P2 operand */ + int p3, /* The P3 operand */ + int p4 /* The P4 operand as an integer */ +){ + int i; + VdbeOp *pOp; + + i = p->nOp; + if( p->nOpAlloc<=i ){ + return addOp4IntSlow(p, op, p1, p2, p3, p4); + } + p->nOp++; + pOp = &p->aOp[i]; + assert( pOp!=0 ); + pOp->opcode = (u8)op; + pOp->p5 = 0; + pOp->p1 = p1; + pOp->p2 = p2; + pOp->p3 = p3; + pOp->p4.i = p4; + pOp->p4type = P4_INT32; + + /* Replicate this logic in sqlite3VdbeAddOp3() + ** vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv */ +#ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS + pOp->zComment = 0; +#endif +#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || defined(VDBE_PROFILE) + pOp->nExec = 0; + pOp->nCycle = 0; +#endif +#ifdef SQLITE_DEBUG + if( p->db->flags & SQLITE_VdbeAddopTrace ){ + sqlite3VdbePrintOp(0, i, &p->aOp[i]); + test_addop_breakpoint(i, &p->aOp[i]); + } +#endif +#ifdef SQLITE_VDBE_COVERAGE + pOp->iSrcLine = 0; +#endif + /* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + ** Replicate in sqlite3VdbeAddOp3() */ + + return i; } /* Generate code for an unconditional jump to instruction iDest @@ -83292,7 +84249,7 @@ SQLITE_PRIVATE int sqlite3VdbeExplain(Parse *pParse, u8 bPush, const char *zFmt, if( bPush){ pParse->addrExplain = iThis; } - sqlite3VdbeScanStatus(v, iThis, 0, 0, 0, 0); + sqlite3VdbeScanStatus(v, iThis, -1, -1, 0, 0); } return addr; } @@ -83322,26 +84279,6 @@ SQLITE_PRIVATE void sqlite3VdbeAddParseSchemaOp(Vdbe *p, int iDb, char *zWhere, sqlite3MayAbort(p->pParse); } -/* -** Add an opcode that includes the p4 value as an integer. -*/ -SQLITE_PRIVATE int sqlite3VdbeAddOp4Int( - Vdbe *p, /* Add the opcode to this VM */ - int op, /* The new opcode */ - int p1, /* The P1 operand */ - int p2, /* The P2 operand */ - int p3, /* The P3 operand */ - int p4 /* The P4 operand as an integer */ -){ - int addr = sqlite3VdbeAddOp3(p, op, p1, p2, p3); - if( p->db->mallocFailed==0 ){ - VdbeOp *pOp = &p->aOp[addr]; - pOp->p4type = P4_INT32; - pOp->p4.i = p4; - } - return addr; -} - /* Insert the end of a co-routine */ SQLITE_PRIVATE void sqlite3VdbeEndCoroutine(Vdbe *v, int regYield){ @@ -83654,7 +84591,7 @@ static void resolveP2Values(Vdbe *p, int *pMaxFuncArgs){ p->bIsReader = 0; pOp = &p->aOp[p->nOp-1]; assert( p->aOp[0].opcode==OP_Init ); - while( 1 /* Loop termates when it reaches the OP_Init opcode */ ){ + while( 1 /* Loop terminates when it reaches the OP_Init opcode */ ){ /* Only JUMP opcodes and the short list of special opcodes in the switch ** below need to be considered. The mkopcodeh.tcl generator script groups ** all these opcodes together near the front of the opcode list. Skip @@ -84024,8 +84961,8 @@ SQLITE_PRIVATE void sqlite3VdbeScanStatusCounters( pScan = 0; } if( pScan ){ - pScan->addrLoop = addrLoop; - pScan->addrVisit = addrVisit; + if( addrLoop>0 ) pScan->addrLoop = addrLoop; + if( addrVisit>0 ) pScan->addrVisit = addrVisit; } } } @@ -84108,7 +85045,7 @@ SQLITE_PRIVATE void sqlite3VdbeJumpHereOrPopInst(Vdbe *p, int addr){ /* ** If the input FuncDef structure is ephemeral, then free it. If -** the FuncDef is not ephermal, then do nothing. +** the FuncDef is not ephemeral, then do nothing. */ static void freeEphemeralFunction(sqlite3 *db, FuncDef *pDef){ assert( db!=0 ); @@ -84272,7 +85209,6 @@ SQLITE_PRIVATE void sqlite3VdbeReleaseRegisters( } #endif /* SQLITE_DEBUG */ - /* ** Change the value of the P4 operand for a specific instruction. ** This routine is useful when a large program is loaded from a @@ -85193,7 +86129,7 @@ SQLITE_PRIVATE int sqlite3VdbeList( sqlite3VdbeMemSetInt64(pMem+1, pOp->p2); sqlite3VdbeMemSetInt64(pMem+2, pOp->p3); sqlite3VdbeMemSetStr(pMem+3, zP4, -1, SQLITE_UTF8, sqlite3_free); - p->nResColumn = 4; + assert( p->nResColumn==4 ); }else{ sqlite3VdbeMemSetInt64(pMem+0, i); sqlite3VdbeMemSetStr(pMem+1, (char*)sqlite3OpcodeName(pOp->opcode), @@ -85212,7 +86148,7 @@ SQLITE_PRIVATE int sqlite3VdbeList( sqlite3VdbeMemSetNull(pMem+7); #endif sqlite3VdbeMemSetStr(pMem+5, zP4, -1, SQLITE_UTF8, sqlite3_free); - p->nResColumn = 8; + assert( p->nResColumn==8 ); } p->pResultRow = pMem; if( db->mallocFailed ){ @@ -85426,26 +86362,9 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( resolveP2Values(p, &nArg); p->usesStmtJournal = (u8)(pParse->isMultiWrite && pParse->mayAbort); if( pParse->explain ){ - static const char * const azColName[] = { - "addr", "opcode", "p1", "p2", "p3", "p4", "p5", "comment", - "id", "parent", "notused", "detail" - }; - int iFirst, mx, i; if( nMem<10 ) nMem = 10; p->explain = pParse->explain; - if( pParse->explain==2 ){ - sqlite3VdbeSetNumCols(p, 4); - iFirst = 8; - mx = 12; - }else{ - sqlite3VdbeSetNumCols(p, 8); - iFirst = 0; - mx = 8; - } - for(i=iFirst; inResColumn = 12 - 4*p->explain; } p->expired = 0; @@ -85497,7 +86416,23 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( SQLITE_PRIVATE void sqlite3VdbeFreeCursor(Vdbe *p, VdbeCursor *pCx){ if( pCx ) sqlite3VdbeFreeCursorNN(p,pCx); } +static SQLITE_NOINLINE void freeCursorWithCache(Vdbe *p, VdbeCursor *pCx){ + VdbeTxtBlbCache *pCache = pCx->pCache; + assert( pCx->colCache ); + pCx->colCache = 0; + pCx->pCache = 0; + if( pCache->pCValue ){ + sqlite3RCStrUnref(pCache->pCValue); + pCache->pCValue = 0; + } + sqlite3DbFree(p->db, pCache); + sqlite3VdbeFreeCursorNN(p, pCx); +} SQLITE_PRIVATE void sqlite3VdbeFreeCursorNN(Vdbe *p, VdbeCursor *pCx){ + if( pCx->colCache ){ + freeCursorWithCache(p, pCx); + return; + } switch( pCx->eCurType ){ case CURTYPE_SORTER: { sqlite3VdbeSorterClose(p->db, pCx); @@ -85598,12 +86533,12 @@ SQLITE_PRIVATE void sqlite3VdbeSetNumCols(Vdbe *p, int nResColumn){ int n; sqlite3 *db = p->db; - if( p->nResColumn ){ - releaseMemArray(p->aColName, p->nResColumn*COLNAME_N); + if( p->nResAlloc ){ + releaseMemArray(p->aColName, p->nResAlloc*COLNAME_N); sqlite3DbFree(db, p->aColName); } n = nResColumn*COLNAME_N; - p->nResColumn = (u16)nResColumn; + p->nResColumn = p->nResAlloc = (u16)nResColumn; p->aColName = (Mem*)sqlite3DbMallocRawNN(db, sizeof(Mem)*n ); if( p->aColName==0 ) return; initMemArray(p->aColName, n, db, MEM_Null); @@ -85628,14 +86563,14 @@ SQLITE_PRIVATE int sqlite3VdbeSetColName( ){ int rc; Mem *pColName; - assert( idxnResColumn ); + assert( idxnResAlloc ); assert( vardb->mallocFailed ){ assert( !zName || xDel!=SQLITE_DYNAMIC ); return SQLITE_NOMEM_BKPT; } assert( p->aColName!=0 ); - pColName = &(p->aColName[idx+var*p->nResColumn]); + pColName = &(p->aColName[idx+var*p->nResAlloc]); rc = sqlite3VdbeMemSetStr(pColName, zName, -1, SQLITE_UTF8, xDel); assert( rc!=0 || !zName || (pColName->flags&MEM_Term)!=0 ); return rc; @@ -86148,6 +87083,7 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ sqlite3VdbeLeave(p); return SQLITE_BUSY; }else if( rc!=SQLITE_OK ){ + sqlite3SystemError(db, rc); p->rc = rc; sqlite3RollbackAll(db, SQLITE_OK); p->nChange = 0; @@ -86459,7 +87395,7 @@ static void sqlite3VdbeClearObject(sqlite3 *db, Vdbe *p){ assert( db!=0 ); assert( p->db==0 || p->db==db ); if( p->aColName ){ - releaseMemArray(p->aColName, p->nResColumn*COLNAME_N); + releaseMemArray(p->aColName, p->nResAlloc*COLNAME_N); sqlite3DbNNFreeNN(db, p->aColName); } for(pSub=p->pProgram; pSub; pSub=pNext){ @@ -87059,6 +87995,15 @@ static int vdbeRecordCompareDebug( if( d1+(u64)serial_type1+2>(u64)nKey1 && d1+(u64)sqlite3VdbeSerialTypeLen(serial_type1)>(u64)nKey1 ){ + if( serial_type1>=1 + && serial_type1<=7 + && d1+(u64)sqlite3VdbeSerialTypeLen(serial_type1)<=(u64)nKey1+8 + && CORRUPT_DB + ){ + return 1; /* corrupt record not detected by + ** sqlite3VdbeRecordCompareWithSkip(). Return true + ** to avoid firing the assert() */ + } break; } @@ -87502,7 +88447,7 @@ SQLITE_PRIVATE int sqlite3VdbeRecordCompareWithSkip( /* Serial types 12 or greater are strings and blobs (greater than ** numbers). Types 10 and 11 are currently "reserved for future ** use", so it doesn't really matter what the results of comparing - ** them to numberic values are. */ + ** them to numeric values are. */ rc = serial_type==10 ? -1 : +1; }else if( serial_type==0 ){ rc = -1; @@ -88759,6 +89704,7 @@ SQLITE_API void sqlite3_result_text64( (void)invokeValueDestructor(z, xDel, pCtx); }else{ setResultStrOrError(pCtx, z, (int)n, enc, xDel); + sqlite3VdbeMemZeroTerminateIfAble(pCtx->pOut); } } #ifndef SQLITE_OMIT_UTF16 @@ -89131,7 +90077,7 @@ SQLITE_API int sqlite3_vtab_nochange(sqlite3_context *p){ ** The destructor function for a ValueList object. This needs to be ** a separate function, unknowable to the application, to ensure that ** calls to sqlite3_vtab_in_first()/sqlite3_vtab_in_next() that are not -** preceeded by activation of IN processing via sqlite3_vtab_int() do not +** preceded by activation of IN processing via sqlite3_vtab_int() do not ** try to access a fake ValueList object inserted by a hostile extension. */ SQLITE_PRIVATE void sqlite3VdbeValueListFree(void *pToDelete){ @@ -89371,7 +90317,8 @@ SQLITE_API int sqlite3_aggregate_count(sqlite3_context *p){ */ SQLITE_API int sqlite3_column_count(sqlite3_stmt *pStmt){ Vdbe *pVm = (Vdbe *)pStmt; - return pVm ? pVm->nResColumn : 0; + if( pVm==0 ) return 0; + return pVm->nResColumn; } /* @@ -89460,7 +90407,7 @@ static Mem *columnMem(sqlite3_stmt *pStmt, int i){ ** sqlite3_column_real() ** sqlite3_column_bytes() ** sqlite3_column_bytes16() -** sqiite3_column_blob() +** sqlite3_column_blob() */ static void columnMallocFailure(sqlite3_stmt *pStmt) { @@ -89544,6 +90491,32 @@ SQLITE_API int sqlite3_column_type(sqlite3_stmt *pStmt, int i){ return iType; } +/* +** Column names appropriate for EXPLAIN or EXPLAIN QUERY PLAN. +*/ +static const char * const azExplainColNames8[] = { + "addr", "opcode", "p1", "p2", "p3", "p4", "p5", "comment", /* EXPLAIN */ + "id", "parent", "notused", "detail" /* EQP */ +}; +static const u16 azExplainColNames16data[] = { + /* 0 */ 'a', 'd', 'd', 'r', 0, + /* 5 */ 'o', 'p', 'c', 'o', 'd', 'e', 0, + /* 12 */ 'p', '1', 0, + /* 15 */ 'p', '2', 0, + /* 18 */ 'p', '3', 0, + /* 21 */ 'p', '4', 0, + /* 24 */ 'p', '5', 0, + /* 27 */ 'c', 'o', 'm', 'm', 'e', 'n', 't', 0, + /* 35 */ 'i', 'd', 0, + /* 38 */ 'p', 'a', 'r', 'e', 'n', 't', 0, + /* 45 */ 'n', 'o', 't', 'u', 's', 'e', 'd', 0, + /* 53 */ 'd', 'e', 't', 'a', 'i', 'l', 0 +}; +static const u8 iExplainColNames16[] = { + 0, 5, 12, 15, 18, 21, 24, 27, + 35, 38, 45, 53 +}; + /* ** Convert the N-th element of pStmt->pColName[] into a string using ** xFunc() then return that string. If N is out of range, return 0. @@ -89576,15 +90549,29 @@ static const void *columnName( return 0; } #endif + if( N<0 ) return 0; ret = 0; p = (Vdbe *)pStmt; db = p->db; assert( db!=0 ); - n = sqlite3_column_count(pStmt); - if( N=0 ){ + sqlite3_mutex_enter(db->mutex); + + if( p->explain ){ + if( useType>0 ) goto columnName_end; + n = p->explain==1 ? 8 : 4; + if( N>=n ) goto columnName_end; + if( useUtf16 ){ + int i = iExplainColNames16[N + 8*p->explain - 8]; + ret = (void*)&azExplainColNames16data[i]; + }else{ + ret = (void*)azExplainColNames8[N + 8*p->explain - 8]; + } + goto columnName_end; + } + n = p->nResColumn; + if( NmallocFailed; N += useType*n; - sqlite3_mutex_enter(db->mutex); #ifndef SQLITE_OMIT_UTF16 if( useUtf16 ){ ret = sqlite3_value_text16((sqlite3_value*)&p->aColName[N]); @@ -89601,8 +90588,9 @@ static const void *columnName( sqlite3OomClear(db); ret = 0; } - sqlite3_mutex_leave(db->mutex); } +columnName_end: + sqlite3_mutex_leave(db->mutex); return ret; } @@ -89695,7 +90683,7 @@ SQLITE_API const void *sqlite3_column_origin_name16(sqlite3_stmt *pStmt, int N){ /* ** Unbind the value bound to variable i in virtual machine p. This is the ** the same as binding a NULL value to the column. If the "i" parameter is -** out of range, then SQLITE_RANGE is returned. Othewise SQLITE_OK. +** out of range, then SQLITE_RANGE is returned. Otherwise SQLITE_OK. ** ** A successful evaluation of this routine acquires the mutex on p. ** the mutex is released if any kind of error occurs. @@ -90059,6 +91047,39 @@ SQLITE_API int sqlite3_stmt_isexplain(sqlite3_stmt *pStmt){ return pStmt ? ((Vdbe*)pStmt)->explain : 0; } +/* +** Set the explain mode for a statement. +*/ +SQLITE_API int sqlite3_stmt_explain(sqlite3_stmt *pStmt, int eMode){ + Vdbe *v = (Vdbe*)pStmt; + int rc; + sqlite3_mutex_enter(v->db->mutex); + if( ((int)v->explain)==eMode ){ + rc = SQLITE_OK; + }else if( eMode<0 || eMode>2 ){ + rc = SQLITE_ERROR; + }else if( (v->prepFlags & SQLITE_PREPARE_SAVESQL)==0 ){ + rc = SQLITE_ERROR; + }else if( v->eVdbeState!=VDBE_READY_STATE ){ + rc = SQLITE_BUSY; + }else if( v->nMem>=10 && (eMode!=2 || v->haveEqpOps) ){ + /* No reprepare necessary */ + v->explain = eMode; + rc = SQLITE_OK; + }else{ + v->explain = eMode; + rc = sqlite3Reprepare(v); + v->haveEqpOps = eMode==2; + } + if( v->explain ){ + v->nResColumn = 12 - 4*v->explain; + }else{ + v->nResColumn = v->nResAlloc; + } + sqlite3_mutex_leave(v->db->mutex); + return rc; +} + /* ** Return true if the prepared statement is in need of being reset. */ @@ -91298,6 +92319,9 @@ SQLITE_PRIVATE void sqlite3VdbeMemPrettyPrint(Mem *pMem, StrAccum *pStr){ sqlite3_str_appendchar(pStr, 1, (c>=0x20&&c<=0x7f) ? c : '.'); } sqlite3_str_appendf(pStr, "]%s", encnames[pMem->enc]); + if( f & MEM_Term ){ + sqlite3_str_appendf(pStr, "(0-term)"); + } } } #endif @@ -91434,6 +92458,93 @@ static u64 filterHash(const Mem *aMem, const Op *pOp){ return h; } + +/* +** For OP_Column, factor out the case where content is loaded from +** overflow pages, so that the code to implement this case is separate +** the common case where all content fits on the page. Factoring out +** the code reduces register pressure and helps the common case +** to run faster. +*/ +static SQLITE_NOINLINE int vdbeColumnFromOverflow( + VdbeCursor *pC, /* The BTree cursor from which we are reading */ + int iCol, /* The column to read */ + int t, /* The serial-type code for the column value */ + i64 iOffset, /* Offset to the start of the content value */ + u32 cacheStatus, /* Current Vdbe.cacheCtr value */ + u32 colCacheCtr, /* Current value of the column cache counter */ + Mem *pDest /* Store the value into this register. */ +){ + int rc; + sqlite3 *db = pDest->db; + int encoding = pDest->enc; + int len = sqlite3VdbeSerialTypeLen(t); + assert( pC->eCurType==CURTYPE_BTREE ); + if( len>db->aLimit[SQLITE_LIMIT_LENGTH] ) return SQLITE_TOOBIG; + if( len > 4000 && pC->pKeyInfo==0 ){ + /* Cache large column values that are on overflow pages using + ** an RCStr (reference counted string) so that if they are reloaded, + ** that do not have to be copied a second time. The overhead of + ** creating and managing the cache is such that this is only + ** profitable for larger TEXT and BLOB values. + ** + ** Only do this on table-btrees so that writes to index-btrees do not + ** need to clear the cache. This buys performance in the common case + ** in exchange for generality. + */ + VdbeTxtBlbCache *pCache; + char *pBuf; + if( pC->colCache==0 ){ + pC->pCache = sqlite3DbMallocZero(db, sizeof(VdbeTxtBlbCache) ); + if( pC->pCache==0 ) return SQLITE_NOMEM; + pC->colCache = 1; + } + pCache = pC->pCache; + if( pCache->pCValue==0 + || pCache->iCol!=iCol + || pCache->cacheStatus!=cacheStatus + || pCache->colCacheCtr!=colCacheCtr + || pCache->iOffset!=sqlite3BtreeOffset(pC->uc.pCursor) + ){ + if( pCache->pCValue ) sqlite3RCStrUnref(pCache->pCValue); + pBuf = pCache->pCValue = sqlite3RCStrNew( len+3 ); + if( pBuf==0 ) return SQLITE_NOMEM; + rc = sqlite3BtreePayload(pC->uc.pCursor, iOffset, len, pBuf); + if( rc ) return rc; + pBuf[len] = 0; + pBuf[len+1] = 0; + pBuf[len+2] = 0; + pCache->iCol = iCol; + pCache->cacheStatus = cacheStatus; + pCache->colCacheCtr = colCacheCtr; + pCache->iOffset = sqlite3BtreeOffset(pC->uc.pCursor); + }else{ + pBuf = pCache->pCValue; + } + assert( t>=12 ); + sqlite3RCStrRef(pBuf); + if( t&1 ){ + rc = sqlite3VdbeMemSetStr(pDest, pBuf, len, encoding, + (void(*)(void*))sqlite3RCStrUnref); + pDest->flags |= MEM_Term; + }else{ + rc = sqlite3VdbeMemSetStr(pDest, pBuf, len, 0, + (void(*)(void*))sqlite3RCStrUnref); + } + }else{ + rc = sqlite3VdbeMemFromBtree(pC->uc.pCursor, iOffset, len, pDest); + if( rc ) return rc; + sqlite3VdbeSerialGet((const u8*)pDest->z, t, pDest); + if( (t&1)!=0 && encoding==SQLITE_UTF8 ){ + pDest->z[len] = 0; + pDest->flags |= MEM_Term; + } + } + pDest->flags &= ~MEM_Ephem; + return rc; +} + + /* ** Return the symbolic name for the data type of a pMem */ @@ -91476,6 +92587,7 @@ SQLITE_PRIVATE int sqlite3VdbeExec( Mem *pIn2 = 0; /* 2nd input operand */ Mem *pIn3 = 0; /* 3rd input operand */ Mem *pOut = 0; /* Output operand */ + u32 colCacheCtr = 0; /* Column cache counter */ #if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || defined(VDBE_PROFILE) u64 *pnCycle = 0; int bStmtScanStatus = IS_STMT_SCANSTATUS(db)!=0; @@ -91671,8 +92783,8 @@ SQLITE_PRIVATE int sqlite3VdbeExec( case OP_Goto: { /* jump */ #ifdef SQLITE_DEBUG - /* In debuggging mode, when the p5 flags is set on an OP_Goto, that - ** means we should really jump back to the preceeding OP_ReleaseReg + /* In debugging mode, when the p5 flags is set on an OP_Goto, that + ** means we should really jump back to the preceding OP_ReleaseReg ** instruction. */ if( pOp->p5 ){ assert( pOp->p2 < (int)(pOp - aOp) ); @@ -91880,7 +92992,7 @@ case OP_HaltIfNull: { /* in3 */ ** P5 is a value between 0 and 4, inclusive, that modifies the P4 string. ** ** 0: (no change) -** 1: NOT NULL contraint failed: P4 +** 1: NOT NULL constraint failed: P4 ** 2: UNIQUE constraint failed: P4 ** 3: CHECK constraint failed: P4 ** 4: FOREIGN KEY constraint failed: P4 @@ -93011,10 +94123,10 @@ case OP_Ge: { /* same as TK_GE, jump, in1, in3 */ ** opcodes are allowed to occur between this instruction and the previous ** OP_Lt or OP_Gt. ** -** If result of an OP_Eq comparison on the same two operands as the -** prior OP_Lt or OP_Gt would have been true, then jump to P2. -** If the result of an OP_Eq comparison on the two previous -** operands would have been false or NULL, then fall through. +** If the result of an OP_Eq comparison on the same two operands as +** the prior OP_Lt or OP_Gt would have been true, then jump to P2. If +** the result of an OP_Eq comparison on the two previous operands +** would have been false or NULL, then fall through. */ case OP_ElseEq: { /* same as TK_ESCAPE, jump */ @@ -93444,7 +94556,7 @@ case OP_IsType: { /* jump */ /* Opcode: ZeroOrNull P1 P2 P3 * * ** Synopsis: r[P2] = 0 OR NULL ** -** If all both registers P1 and P3 are NOT NULL, then store a zero in +** If both registers P1 and P3 are NOT NULL, then store a zero in ** register P2. If either registers P1 or P3 are NULL then put ** a NULL in register P2. */ @@ -93798,11 +94910,16 @@ op_column_restart: pDest->flags = aFlag[t&1]; } }else{ + u8 p5; pDest->enc = encoding; + assert( pDest->db==db ); /* This branch happens only when content is on overflow pages */ - if( ((pOp->p5 & (OPFLAG_LENGTHARG|OPFLAG_TYPEOFARG))!=0 - && ((t>=12 && (t&1)==0) || (pOp->p5 & OPFLAG_TYPEOFARG)!=0)) - || (len = sqlite3VdbeSerialTypeLen(t))==0 + if( ((p5 = (pOp->p5 & OPFLAG_BYTELENARG))!=0 + && (p5==OPFLAG_TYPEOFARG + || (t>=12 && ((t&1)==0 || p5==OPFLAG_BYTELENARG)) + ) + ) + || sqlite3VdbeSerialTypeLen(t)==0 ){ /* Content is irrelevant for ** 1. the typeof() function, @@ -93819,11 +94936,13 @@ op_column_restart: */ sqlite3VdbeSerialGet((u8*)sqlite3CtypeMap, t, pDest); }else{ - if( len>db->aLimit[SQLITE_LIMIT_LENGTH] ) goto too_big; - rc = sqlite3VdbeMemFromBtree(pC->uc.pCursor, aOffset[p2], len, pDest); - if( rc!=SQLITE_OK ) goto abort_due_to_error; - sqlite3VdbeSerialGet((const u8*)pDest->z, t, pDest); - pDest->flags &= ~MEM_Ephem; + rc = vdbeColumnFromOverflow(pC, p2, t, aOffset[p2], + p->cacheCtr, colCacheCtr, pDest); + if( rc ){ + if( rc==SQLITE_NOMEM ) goto no_mem; + if( rc==SQLITE_TOOBIG ) goto too_big; + goto abort_due_to_error; + } } } @@ -95107,7 +96226,7 @@ case OP_OpenEphemeral: { /* ncycle */ } pCx = p->apCsr[pOp->p1]; if( pCx && !pCx->noReuse && ALWAYS(pOp->p2<=pCx->nField) ){ - /* If the ephermeral table is already open and has no duplicates from + /* If the ephemeral table is already open and has no duplicates from ** OP_OpenDup, then erase all existing content so that the table is ** empty again, rather than creating a new table. */ assert( pCx->isEphemeral ); @@ -95598,7 +96717,7 @@ seek_not_found: ** row. If This.P5 is false (0) then a jump is made to SeekGE.P2. If ** This.P5 is true (non-zero) then a jump is made to This.P2. The P5==0 ** case occurs when there are no inequality constraints to the right of -** the IN constraing. The jump to SeekGE.P2 ends the loop. The P5!=0 case +** the IN constraint. The jump to SeekGE.P2 ends the loop. The P5!=0 case ** occurs when there are inequality constraints to the right of the IN ** operator. In that case, the This.P2 will point either directly to or ** to setup code prior to the OP_IdxGT or OP_IdxGE opcode that checks for @@ -95606,7 +96725,7 @@ seek_not_found: ** ** Possible outcomes from this opcode:
      ** -**
    1. If the cursor is initally not pointed to any valid row, then +**
    2. If the cursor is initially not pointed to any valid row, then ** fall through into the subsequent OP_SeekGE opcode. ** **
    3. If the cursor is left pointing to a row that is before the target @@ -95838,13 +96957,13 @@ case OP_IfNotOpen: { /* jump */ ** operands to OP_NotFound and OP_IdxGT. ** ** This opcode is an optimization attempt only. If this opcode always -** falls through, the correct answer is still obtained, but extra works +** falls through, the correct answer is still obtained, but extra work ** is performed. ** ** A value of N in the seekHit flag of cursor P1 means that there exists ** a key P3:N that will match some record in the index. We want to know ** if it is possible for a record P3:P4 to match some record in the -** index. If it is not possible, we can skips some work. So if seekHit +** index. If it is not possible, we can skip some work. So if seekHit ** is less than P4, attempt to find out if a match is possible by running ** OP_NotFound. ** @@ -96356,6 +97475,7 @@ case OP_Insert: { ); pC->deferredMoveto = 0; pC->cacheStatus = CACHE_STALE; + colCacheCtr++; /* Invoke the update-hook if required. */ if( rc ) goto abort_due_to_error; @@ -96409,10 +97529,10 @@ case OP_RowCell: { ** left in an undefined state. ** ** If the OPFLAG_AUXDELETE bit is set on P5, that indicates that this -** delete one of several associated with deleting a table row and all its -** associated index entries. Exactly one of those deletes is the "primary" -** delete. The others are all on OPFLAG_FORDELETE cursors or else are -** marked with the AUXDELETE flag. +** delete is one of several associated with deleting a table row and +** all its associated index entries. Exactly one of those deletes is +** the "primary" delete. The others are all on OPFLAG_FORDELETE +** cursors or else are marked with the AUXDELETE flag. ** ** If the OPFLAG_NCHANGE flag of P2 (NB: P2 not P5) is set, then the row ** change count is incremented (otherwise not). @@ -96516,6 +97636,7 @@ case OP_Delete: { rc = sqlite3BtreeDelete(pC->uc.pCursor, pOp->p5); pC->cacheStatus = CACHE_STALE; + colCacheCtr++; pC->seekResult = 0; if( rc ) goto abort_due_to_error; @@ -96583,13 +97704,13 @@ case OP_SorterCompare: { ** Write into register P2 the current sorter data for sorter cursor P1. ** Then clear the column header cache on cursor P3. ** -** This opcode is normally use to move a record out of the sorter and into +** This opcode is normally used to move a record out of the sorter and into ** a register that is the source for a pseudo-table cursor created using ** OpenPseudo. That pseudo-table cursor is the one that is identified by ** parameter P3. Clearing the P3 column cache as part of this opcode saves ** us from having to issue a separate NullRow instruction to clear that cache. */ -case OP_SorterData: { +case OP_SorterData: { /* ncycle */ VdbeCursor *pC; pOut = &aMem[pOp->p2]; @@ -96864,8 +97985,8 @@ case OP_IfSmaller: { /* jump */ ** regression tests can determine whether or not the optimizer is ** correctly optimizing out sorts. */ -case OP_SorterSort: /* jump */ -case OP_Sort: { /* jump */ +case OP_SorterSort: /* jump ncycle */ +case OP_Sort: { /* jump ncycle */ #ifdef SQLITE_TEST sqlite3_sort_count++; sqlite3_search_count--; @@ -97392,7 +98513,7 @@ case OP_IdxGE: { /* jump, ncycle */ ** file is given by P1. ** ** The table being destroyed is in the main database file if P3==0. If -** P3==1 then the table to be clear is in the auxiliary database file +** P3==1 then the table to be destroyed is in the auxiliary database file ** that is used to store tables create using CREATE TEMPORARY TABLE. ** ** If AUTOVACUUM is enabled then it is possible that another root page @@ -97452,8 +98573,8 @@ case OP_Destroy: { /* out2 */ ** in the database file is given by P1. But, unlike Destroy, do not ** remove the table or index from the database file. ** -** The table being clear is in the main database file if P2==0. If -** P2==1 then the table to be clear is in the auxiliary database file +** The table being cleared is in the main database file if P2==0. If +** P2==1 then the table to be cleared is in the auxiliary database file ** that is used to store tables create using CREATE TEMPORARY TABLE. ** ** If the P3 value is non-zero, then the row change count is incremented @@ -98279,7 +99400,7 @@ case OP_AggStep1: { /* If this function is inside of a trigger, the register array in aMem[] ** might change from one evaluation to the next. The next block of code ** checks to see if the register array has changed, and if so it - ** reinitializes the relavant parts of the sqlite3_context object */ + ** reinitializes the relevant parts of the sqlite3_context object */ if( pCtx->pMem != pMem ){ pCtx->pMem = pMem; for(i=pCtx->argc-1; i>=0; i--) pCtx->argv[i] = &aMem[pOp->p2+i]; @@ -99157,7 +100278,7 @@ case OP_MaxPgcnt: { /* out2 */ ** This opcode works exactly like OP_Function. The only difference is in ** its name. This opcode is used in places where the function must be ** purely non-deterministic. Some built-in date/time functions can be -** either determinitic of non-deterministic, depending on their arguments. +** either deterministic of non-deterministic, depending on their arguments. ** When those function are used in a non-deterministic way, they will check ** to see if they were called using OP_PureFunc instead of OP_Function, and ** if they were, they throw an error. @@ -99175,7 +100296,7 @@ case OP_Function: { /* group */ /* If this function is inside of a trigger, the register array in aMem[] ** might change from one evaluation to the next. The next block of code ** checks to see if the register array has changed, and if so it - ** reinitializes the relavant parts of the sqlite3_context object */ + ** reinitializes the relevant parts of the sqlite3_context object */ pOut = &aMem[pOp->p3]; if( pCtx->pOut != pOut ){ pCtx->pVdbe = p; @@ -99251,7 +100372,7 @@ case OP_FilterAdd: { printf("hash: %llu modulo %d -> %u\n", h, pIn1->n, (int)(h%pIn1->n)); } #endif - h %= pIn1->n; + h %= (pIn1->n*8); pIn1->z[h/8] |= 1<<(h&7); break; } @@ -99287,7 +100408,7 @@ case OP_Filter: { /* jump */ printf("hash: %llu modulo %d -> %u\n", h, pIn1->n, (int)(h%pIn1->n)); } #endif - h %= pIn1->n; + h %= (pIn1->n*8); if( (pIn1->z[h/8] & (1<<(h&7)))==0 ){ VdbeBranchTaken(1, 2); p->aCounter[SQLITE_STMTSTATUS_FILTER_HIT]++; @@ -99539,7 +100660,7 @@ default: { /* This is really OP_Noop, OP_Explain */ } if( opProperty==0xff ){ /* Never happens. This code exists to avoid a harmless linkage - ** warning aboud sqlite3VdbeRegisterDump() being defined but not + ** warning about sqlite3VdbeRegisterDump() being defined but not ** used. */ sqlite3VdbeRegisterDump(p); } @@ -100257,7 +101378,7 @@ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *pBlob, sqlite3_int64 iRow){ ** The threshold for the amount of main memory to use before flushing ** records to a PMA is roughly the same as the limit configured for the ** page-cache of the main database. Specifically, the threshold is set to -** the value returned by "PRAGMA main.page_size" multipled by +** the value returned by "PRAGMA main.page_size" multiplied by ** that returned by "PRAGMA main.cache_size", in bytes. ** ** If the sorter is running in single-threaded mode, then all PMAs generated @@ -100280,7 +101401,7 @@ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *pBlob, sqlite3_int64 iRow){ ** ** If there are fewer than SORTER_MAX_MERGE_COUNT PMAs in total and the ** sorter is running in single-threaded mode, then these PMAs are merged -** incrementally as keys are retreived from the sorter by the VDBE. The +** incrementally as keys are retrieved from the sorter by the VDBE. The ** MergeEngine object, described in further detail below, performs this ** merge. ** @@ -100443,7 +101564,7 @@ struct MergeEngine { ** ** Essentially, this structure contains all those fields of the VdbeSorter ** structure for which each thread requires a separate instance. For example, -** each thread requries its own UnpackedRecord object to unpack records in +** each thread requeries its own UnpackedRecord object to unpack records in ** as part of comparison operations. ** ** Before a background thread is launched, variable bDone is set to 0. Then, @@ -100515,7 +101636,7 @@ struct VdbeSorter { ** PMA, in sorted order. The next key to be read is cached in nKey/aKey. ** aKey might point into aMap or into aBuffer. If neither of those locations ** contain a contiguous representation of the key, then aAlloc is allocated -** and the key is copied into aAlloc and aKey is made to poitn to aAlloc. +** and the key is copied into aAlloc and aKey is made to point to aAlloc. ** ** pFd==0 at EOF. */ @@ -101886,7 +103007,7 @@ static int vdbeSorterFlushPMA(VdbeSorter *pSorter){ ** the background thread from a sub-tasks previous turn is still running, ** skip it. If the first (pSorter->nTask-1) sub-tasks are all still busy, ** fall back to using the final sub-task. The first (pSorter->nTask-1) - ** sub-tasks are prefered as they use background threads - the final + ** sub-tasks are preferred as they use background threads - the final ** sub-task uses the main thread. */ for(i=0; iiPrev + i + 1) % nWorker; @@ -102370,7 +103491,7 @@ static int vdbePmaReaderIncrMergeInit(PmaReader *pReadr, int eMode){ rc = vdbeMergeEngineInit(pTask, pIncr->pMerger, eMode); - /* Set up the required files for pIncr. A multi-theaded IncrMerge object + /* Set up the required files for pIncr. A multi-threaded IncrMerge object ** requires two temp files to itself, whereas a single-threaded object ** only requires a region of pTask->file2. */ if( rc==SQLITE_OK ){ @@ -103010,6 +104131,8 @@ static int bytecodevtabConnect( "p5 INT," "comment TEXT," "subprog TEXT," + "nexec INT," + "ncycle INT," "stmt HIDDEN" ");", @@ -103172,7 +104295,7 @@ static int bytecodevtabColumn( } } } - i += 10; + i += 20; } } switch( i ){ @@ -103222,16 +104345,31 @@ static int bytecodevtabColumn( } break; } - case 10: /* tables_used.type */ + +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + case 9: /* nexec */ + sqlite3_result_int(ctx, pOp->nExec); + break; + case 10: /* ncycle */ + sqlite3_result_int(ctx, pOp->nCycle); + break; +#else + case 9: /* nexec */ + case 10: /* ncycle */ + sqlite3_result_int(ctx, 0); + break; +#endif + + case 20: /* tables_used.type */ sqlite3_result_text(ctx, pCur->zType, -1, SQLITE_STATIC); break; - case 11: /* tables_used.schema */ + case 21: /* tables_used.schema */ sqlite3_result_text(ctx, pCur->zSchema, -1, SQLITE_STATIC); break; - case 12: /* tables_used.name */ + case 22: /* tables_used.name */ sqlite3_result_text(ctx, pCur->zName, -1, SQLITE_STATIC); break; - case 13: /* tables_used.wr */ + case 23: /* tables_used.wr */ sqlite3_result_int(ctx, pOp->opcode==OP_OpenWrite); break; } @@ -103305,7 +104443,7 @@ static int bytecodevtabBestIndex( int rc = SQLITE_CONSTRAINT; struct sqlite3_index_constraint *p; bytecodevtab *pVTab = (bytecodevtab*)tab; - int iBaseCol = pVTab->bTablesUsed ? 4 : 8; + int iBaseCol = pVTab->bTablesUsed ? 4 : 10; pIdxInfo->estimatedCost = (double)100; pIdxInfo->estimatedRows = 100; pIdxInfo->idxNum = 0; @@ -103876,7 +105014,7 @@ static int walkWindowList(Walker *pWalker, Window *pList, int bOneOnly){ ** The return value from this routine is WRC_Abort to abandon the tree walk ** and WRC_Continue to continue. */ -static SQLITE_NOINLINE int walkExpr(Walker *pWalker, Expr *pExpr){ +SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3WalkExprNN(Walker *pWalker, Expr *pExpr){ int rc; testcase( ExprHasProperty(pExpr, EP_TokenOnly) ); testcase( ExprHasProperty(pExpr, EP_Reduced) ); @@ -103885,7 +105023,9 @@ static SQLITE_NOINLINE int walkExpr(Walker *pWalker, Expr *pExpr){ if( rc ) return rc & WRC_Abort; if( !ExprHasProperty(pExpr,(EP_TokenOnly|EP_Leaf)) ){ assert( pExpr->x.pList==0 || pExpr->pRight==0 ); - if( pExpr->pLeft && walkExpr(pWalker, pExpr->pLeft) ) return WRC_Abort; + if( pExpr->pLeft && sqlite3WalkExprNN(pWalker, pExpr->pLeft) ){ + return WRC_Abort; + } if( pExpr->pRight ){ assert( !ExprHasProperty(pExpr, EP_WinFunc) ); pExpr = pExpr->pRight; @@ -103909,7 +105049,7 @@ static SQLITE_NOINLINE int walkExpr(Walker *pWalker, Expr *pExpr){ return WRC_Continue; } SQLITE_PRIVATE int sqlite3WalkExpr(Walker *pWalker, Expr *pExpr){ - return pExpr ? walkExpr(pWalker,pExpr) : WRC_Continue; + return pExpr ? sqlite3WalkExprNN(pWalker,pExpr) : WRC_Continue; } /* @@ -104035,7 +105175,7 @@ SQLITE_PRIVATE int sqlite3WalkSelect(Walker *pWalker, Select *p){ } /* Increase the walkerDepth when entering a subquery, and -** descrease when leaving the subquery. +** decrease when leaving the subquery. */ SQLITE_PRIVATE int sqlite3WalkerDepthIncrease(Walker *pWalker, Select *pSelect){ UNUSED_PARAMETER(pSelect); @@ -105769,7 +106909,7 @@ static int resolveOrderGroupBy( } for(j=0; jpEList->nExpr; j++){ if( sqlite3ExprCompare(0, pE, pSelect->pEList->a[j].pExpr, -1)==0 ){ - /* Since this expresion is being changed into a reference + /* Since this expression is being changed into a reference ** to an identical expression in the result set, remove all Window ** objects belonging to the expression from the Select.pWin list. */ windowRemoveExprFromSelect(pSelect, pE); @@ -106092,7 +107232,8 @@ SQLITE_PRIVATE int sqlite3ResolveExprNames( return SQLITE_ERROR; } #endif - sqlite3WalkExpr(&w, pExpr); + assert( pExpr!=0 ); + sqlite3WalkExprNN(&w, pExpr); #if SQLITE_MAX_EXPR_DEPTH>0 w.pParse->nHeight -= pExpr->nHeight; #endif @@ -106134,7 +107275,7 @@ SQLITE_PRIVATE int sqlite3ResolveExprListNames( return WRC_Abort; } #endif - sqlite3WalkExpr(&w, pExpr); + sqlite3WalkExprNN(&w, pExpr); #if SQLITE_MAX_EXPR_DEPTH>0 w.pParse->nHeight -= pExpr->nHeight; #endif @@ -106156,7 +107297,7 @@ SQLITE_PRIVATE int sqlite3ResolveExprListNames( /* ** Resolve all names in all expressions of a SELECT and in all -** decendents of the SELECT, including compounds off of p->pPrior, +** descendants of the SELECT, including compounds off of p->pPrior, ** subqueries in expressions, and subqueries used as FROM clause ** terms. ** @@ -106306,6 +107447,7 @@ SQLITE_PRIVATE char sqlite3ExprAffinity(const Expr *pExpr){ if( op==TK_SELECT_COLUMN ){ assert( pExpr->pLeft!=0 && ExprUseXSelect(pExpr->pLeft) ); assert( pExpr->iColumn < pExpr->iTable ); + assert( pExpr->iColumn >= 0 ); assert( pExpr->iTable==pExpr->pLeft->x.pSelect->pEList->nExpr ); return sqlite3ExprAffinity( pExpr->pLeft->x.pSelect->pEList->a[pExpr->iColumn].pExpr @@ -106542,7 +107684,7 @@ SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, const Expr *pExpr){ /* ** Return the collation sequence for the expression pExpr. If ** there is no defined collating sequence, return a pointer to the -** defautl collation sequence. +** default collation sequence. ** ** See also: sqlite3ExprCollSeq() ** @@ -106672,7 +107814,7 @@ SQLITE_PRIVATE CollSeq *sqlite3BinaryCompareCollSeq( return pColl; } -/* Expresssion p is a comparison operator. Return a collation sequence +/* Expression p is a comparison operator. Return a collation sequence ** appropriate for the comparison operator. ** ** This is normally just a wrapper around sqlite3BinaryCompareCollSeq(). @@ -107128,6 +108270,15 @@ SQLITE_PRIVATE void sqlite3ExprSetHeightAndFlags(Parse *pParse, Expr *p){ #define exprSetHeight(y) #endif /* SQLITE_MAX_EXPR_DEPTH>0 */ +/* +** Set the error offset for an Expr node, if possible. +*/ +SQLITE_PRIVATE void sqlite3ExprSetErrorOffset(Expr *pExpr, int iOfst){ + if( pExpr==0 ) return; + if( NEVER(ExprUseWJoin(pExpr)) ) return; + pExpr->w.iOfst = iOfst; +} + /* ** This routine is the core allocator for Expr nodes. ** @@ -107588,7 +108739,7 @@ SQLITE_PRIVATE void sqlite3ClearOnOrUsing(sqlite3 *db, OnOrUsing *p){ /* ** Arrange to cause pExpr to be deleted when the pParse is deleted. ** This is similar to sqlite3ExprDelete() except that the delete is -** deferred untilthe pParse is deleted. +** deferred until the pParse is deleted. ** ** The pExpr might be deleted immediately on an OOM error. ** @@ -108430,7 +109581,7 @@ SQLITE_PRIVATE int sqlite3ExprIdToTrueFalse(Expr *pExpr){ ** and 0 if it is FALSE. */ SQLITE_PRIVATE int sqlite3ExprTruthValue(const Expr *pExpr){ - pExpr = sqlite3ExprSkipCollate((Expr*)pExpr); + pExpr = sqlite3ExprSkipCollateAndLikely((Expr*)pExpr); assert( pExpr->op==TK_TRUEFALSE ); assert( !ExprHasProperty(pExpr, EP_IntValue) ); assert( sqlite3StrICmp(pExpr->u.zToken,"true")==0 @@ -109023,7 +110174,7 @@ static int sqlite3InRhsIsConstant(Expr *pIn){ ** IN_INDEX_INDEX_ASC - The cursor was opened on an ascending index. ** IN_INDEX_INDEX_DESC - The cursor was opened on a descending index. ** IN_INDEX_EPH - The cursor was opened on a specially created and -** populated epheremal table. +** populated ephemeral table. ** IN_INDEX_NOOP - No cursor was allocated. The IN operator must be ** implemented as a sequence of comparisons. ** @@ -109036,7 +110187,7 @@ static int sqlite3InRhsIsConstant(Expr *pIn){ ** an ephemeral table might need to be generated from the RHS and then ** pX->iTable made to point to the ephemeral table instead of an ** existing table. In this case, the creation and initialization of the -** ephmeral table might be put inside of a subroutine, the EP_Subrtn flag +** ephemeral table might be put inside of a subroutine, the EP_Subrtn flag ** will be set on pX and the pX->y.sub fields will be set to show where ** the subroutine is coded. ** @@ -109048,12 +110199,12 @@ static int sqlite3InRhsIsConstant(Expr *pIn){ ** ** When IN_INDEX_LOOP is used (and the b-tree will be used to iterate ** through the set members) then the b-tree must not contain duplicates. -** An epheremal table will be created unless the selected columns are guaranteed +** An ephemeral table will be created unless the selected columns are guaranteed ** to be unique - either because it is an INTEGER PRIMARY KEY or due to ** a UNIQUE constraint or index. ** ** When IN_INDEX_MEMBERSHIP is used (and the b-tree will be used -** for fast set membership tests) then an epheremal table must +** for fast set membership tests) then an ephemeral table must ** be used unless is a single INTEGER PRIMARY KEY column or an ** index can be found with the specified as its left-most. ** @@ -109386,7 +110537,7 @@ SQLITE_PRIVATE void sqlite3VectorErrorMsg(Parse *pParse, Expr *pExpr){ ** x IN (SELECT a FROM b) -- IN operator with subquery on the right ** ** The pExpr parameter is the IN operator. The cursor number for the -** constructed ephermeral table is returned. The first time the ephemeral +** constructed ephemeral table is returned. The first time the ephemeral ** table is computed, the cursor number is also stored in pExpr->iTable, ** however the cursor number returned might not be the same, as it might ** have been duplicated using OP_OpenDup. @@ -110201,10 +111352,13 @@ SQLITE_PRIVATE int sqlite3ExprCodeGetColumn( u8 p5 /* P5 value for OP_Column + FLAGS */ ){ assert( pParse->pVdbe!=0 ); + assert( (p5 & (OPFLAG_NOCHNG|OPFLAG_TYPEOFARG|OPFLAG_LENGTHARG))==p5 ); + assert( IsVirtual(pTab) || (p5 & OPFLAG_NOCHNG)==0 ); sqlite3ExprCodeGetColumnOfTable(pParse->pVdbe, pTab, iTable, iColumn, iReg); if( p5 ){ VdbeOp *pOp = sqlite3VdbeGetLastOp(pParse->pVdbe); if( pOp->opcode==OP_Column ) pOp->p5 = p5; + if( pOp->opcode==OP_VColumn ) pOp->p5 = (p5 & OPFLAG_NOCHNG); } return iReg; } @@ -110233,7 +111387,7 @@ static void exprToRegister(Expr *pExpr, int iReg){ /* ** Evaluate an expression (either a vector or a scalar expression) and store -** the result in continguous temporary registers. Return the index of +** the result in contiguous temporary registers. Return the index of ** the first register used to store the result. ** ** If the returned result register is a temporary scalar, then also write @@ -110273,7 +111427,7 @@ static int exprCodeVector(Parse *pParse, Expr *p, int *piFreeable){ */ static void setDoNotMergeFlagOnCopy(Vdbe *v){ if( sqlite3VdbeGetLastOp(v)->opcode==OP_Copy ){ - sqlite3VdbeChangeP5(v, 1); /* Tag trailing OP_Copy as not mergable */ + sqlite3VdbeChangeP5(v, 1); /* Tag trailing OP_Copy as not mergeable */ } } @@ -110363,13 +111517,13 @@ static int exprCodeInlineFunction( } case INLINEFUNC_implies_nonnull_row: { - /* REsult of sqlite3ExprImpliesNonNullRow() */ + /* Result of sqlite3ExprImpliesNonNullRow() */ Expr *pA1; assert( nFarg==2 ); pA1 = pFarg->a[1].pExpr; if( pA1->op==TK_COLUMN ){ sqlite3VdbeAddOp2(v, OP_Integer, - sqlite3ExprImpliesNonNullRow(pFarg->a[0].pExpr,pA1->iTable), + sqlite3ExprImpliesNonNullRow(pFarg->a[0].pExpr,pA1->iTable,1), target); }else{ sqlite3VdbeAddOp2(v, OP_Null, 0, target); @@ -110545,7 +111699,7 @@ expr_code_doover: if( ExprHasProperty(pExpr, EP_FixedCol) ){ /* This COLUMN expression is really a constant due to WHERE clause ** constraints, and that constant is coded by the pExpr->pLeft - ** expresssion. However, make sure the constant has the correct + ** expression. However, make sure the constant has the correct ** datatype by applying the Affinity of the table column to the ** constant. */ @@ -110871,7 +112025,7 @@ expr_code_doover: sqlite3ErrorMsg(pParse, "unknown function: %#T()", pExpr); break; } - if( pDef->funcFlags & SQLITE_FUNC_INLINE ){ + if( (pDef->funcFlags & SQLITE_FUNC_INLINE)!=0 && ALWAYS(pFarg!=0) ){ assert( (pDef->funcFlags & SQLITE_FUNC_UNSAFE)==0 ); assert( (pDef->funcFlags & SQLITE_FUNC_DIRECT)==0 ); return exprCodeInlineFunction(pParse, pFarg, @@ -110897,10 +112051,10 @@ expr_code_doover: r1 = sqlite3GetTempRange(pParse, nFarg); } - /* For length() and typeof() functions with a column argument, + /* For length() and typeof() and octet_length() functions, ** set the P5 parameter to the OP_Column opcode to OPFLAG_LENGTHARG - ** or OPFLAG_TYPEOFARG respectively, to avoid unnecessary data - ** loading. + ** or OPFLAG_TYPEOFARG or OPFLAG_BYTELENARG respectively, to avoid + ** unnecessary data loading. */ if( (pDef->funcFlags & (SQLITE_FUNC_LENGTH|SQLITE_FUNC_TYPEOF))!=0 ){ u8 exprOp; @@ -110910,14 +112064,16 @@ expr_code_doover: if( exprOp==TK_COLUMN || exprOp==TK_AGG_COLUMN ){ assert( SQLITE_FUNC_LENGTH==OPFLAG_LENGTHARG ); assert( SQLITE_FUNC_TYPEOF==OPFLAG_TYPEOFARG ); - testcase( pDef->funcFlags & OPFLAG_LENGTHARG ); - pFarg->a[0].pExpr->op2 = - pDef->funcFlags & (OPFLAG_LENGTHARG|OPFLAG_TYPEOFARG); + assert( SQLITE_FUNC_BYTELEN==OPFLAG_BYTELENARG ); + assert( (OPFLAG_LENGTHARG|OPFLAG_TYPEOFARG)==OPFLAG_BYTELENARG ); + testcase( (pDef->funcFlags & OPFLAG_BYTELENARG)==OPFLAG_LENGTHARG ); + testcase( (pDef->funcFlags & OPFLAG_BYTELENARG)==OPFLAG_TYPEOFARG ); + testcase( (pDef->funcFlags & OPFLAG_BYTELENARG)==OPFLAG_BYTELENARG); + pFarg->a[0].pExpr->op2 = pDef->funcFlags & OPFLAG_BYTELENARG; } } - sqlite3ExprCodeExprList(pParse, pFarg, r1, 0, - SQLITE_ECEL_DUP|SQLITE_ECEL_FACTOR); + sqlite3ExprCodeExprList(pParse, pFarg, r1, 0, SQLITE_ECEL_FACTOR); }else{ r1 = 0; } @@ -111274,7 +112430,7 @@ expr_code_doover: ** ** If regDest>=0 then the result is always stored in that register and the ** result is not reusable. If regDest<0 then this routine is free to -** store the value whereever it wants. The register where the expression +** store the value wherever it wants. The register where the expression ** is stored is returned. When regDest<0, two identical expressions might ** code to the same register, if they do not contain function calls and hence ** are factored out into the initialization section at the end of the @@ -112192,7 +113348,7 @@ static int exprImpliesNotNull( ** pE1: x!=123 pE2: x IS NOT NULL Result: true ** pE1: x!=?1 pE2: x IS NOT NULL Result: true ** pE1: x IS NULL pE2: x IS NOT NULL Result: false -** pE1: x IS ?2 pE2: x IS NOT NULL Reuslt: false +** pE1: x IS ?2 pE2: x IS NOT NULL Result: false ** ** When comparing TK_COLUMN nodes between pE1 and pE2, if pE2 has ** Expr.iTable<0 then assume a table number given by iTab. @@ -112229,11 +113385,29 @@ SQLITE_PRIVATE int sqlite3ExprImpliesExpr( return 0; } +/* This is a helper function to impliesNotNullRow(). In this routine, +** set pWalker->eCode to one only if *both* of the input expressions +** separately have the implies-not-null-row property. +*/ +static void bothImplyNotNullRow(Walker *pWalker, Expr *pE1, Expr *pE2){ + if( pWalker->eCode==0 ){ + sqlite3WalkExpr(pWalker, pE1); + if( pWalker->eCode ){ + pWalker->eCode = 0; + sqlite3WalkExpr(pWalker, pE2); + } + } +} + /* ** This is the Expr node callback for sqlite3ExprImpliesNonNullRow(). ** If the expression node requires that the table at pWalker->iCur ** have one or more non-NULL column, then set pWalker->eCode to 1 and abort. ** +** pWalker->mWFlags is non-zero if this inquiry is being undertaking on +** behalf of a RIGHT JOIN (or FULL JOIN). That makes a difference when +** evaluating terms in the ON clause of an inner join. +** ** This routine controls an optimization. False positives (setting ** pWalker->eCode to 1 when it should not be) are deadly, but false-negatives ** (never setting pWalker->eCode) is a harmless missed optimization. @@ -112242,28 +113416,33 @@ static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){ testcase( pExpr->op==TK_AGG_COLUMN ); testcase( pExpr->op==TK_AGG_FUNCTION ); if( ExprHasProperty(pExpr, EP_OuterON) ) return WRC_Prune; + if( ExprHasProperty(pExpr, EP_InnerON) && pWalker->mWFlags ){ + /* If iCur is used in an inner-join ON clause to the left of a + ** RIGHT JOIN, that does *not* mean that the table must be non-null. + ** But it is difficult to check for that condition precisely. + ** To keep things simple, any use of iCur from any inner-join is + ** ignored while attempting to simplify a RIGHT JOIN. */ + return WRC_Prune; + } switch( pExpr->op ){ case TK_ISNOT: case TK_ISNULL: case TK_NOTNULL: case TK_IS: - case TK_OR: case TK_VECTOR: - case TK_CASE: - case TK_IN: case TK_FUNCTION: case TK_TRUTH: + case TK_CASE: testcase( pExpr->op==TK_ISNOT ); testcase( pExpr->op==TK_ISNULL ); testcase( pExpr->op==TK_NOTNULL ); testcase( pExpr->op==TK_IS ); - testcase( pExpr->op==TK_OR ); testcase( pExpr->op==TK_VECTOR ); - testcase( pExpr->op==TK_CASE ); - testcase( pExpr->op==TK_IN ); testcase( pExpr->op==TK_FUNCTION ); testcase( pExpr->op==TK_TRUTH ); + testcase( pExpr->op==TK_CASE ); return WRC_Prune; + case TK_COLUMN: if( pWalker->u.iCur==pExpr->iTable ){ pWalker->eCode = 1; @@ -112271,21 +113450,38 @@ static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){ } return WRC_Prune; + case TK_OR: case TK_AND: - if( pWalker->eCode==0 ){ + /* Both sides of an AND or OR must separately imply non-null-row. + ** Consider these cases: + ** 1. NOT (x AND y) + ** 2. x OR y + ** If only one of x or y is non-null-row, then the overall expression + ** can be true if the other arm is false (case 1) or true (case 2). + */ + testcase( pExpr->op==TK_OR ); + testcase( pExpr->op==TK_AND ); + bothImplyNotNullRow(pWalker, pExpr->pLeft, pExpr->pRight); + return WRC_Prune; + + case TK_IN: + /* Beware of "x NOT IN ()" and "x NOT IN (SELECT 1 WHERE false)", + ** both of which can be true. But apart from these cases, if + ** the left-hand side of the IN is NULL then the IN itself will be + ** NULL. */ + if( ExprUseXList(pExpr) && ALWAYS(pExpr->x.pList->nExpr>0) ){ sqlite3WalkExpr(pWalker, pExpr->pLeft); - if( pWalker->eCode ){ - pWalker->eCode = 0; - sqlite3WalkExpr(pWalker, pExpr->pRight); - } } return WRC_Prune; case TK_BETWEEN: - if( sqlite3WalkExpr(pWalker, pExpr->pLeft)==WRC_Abort ){ - assert( pWalker->eCode ); - return WRC_Abort; - } + /* In "x NOT BETWEEN y AND z" either x must be non-null-row or else + ** both y and z must be non-null row */ + assert( ExprUseXList(pExpr) ); + assert( pExpr->x.pList->nExpr==2 ); + sqlite3WalkExpr(pWalker, pExpr->pLeft); + bothImplyNotNullRow(pWalker, pExpr->x.pList->a[0].pExpr, + pExpr->x.pList->a[1].pExpr); return WRC_Prune; /* Virtual tables are allowed to use constraints like x=NULL. So @@ -112347,7 +113543,7 @@ static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){ ** be non-NULL, then the LEFT JOIN can be safely converted into an ** ordinary join. */ -SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr *p, int iTab){ +SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr *p, int iTab, int isRJ){ Walker w; p = sqlite3ExprSkipCollateAndLikely(p); if( p==0 ) return 0; @@ -112355,7 +113551,7 @@ SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr *p, int iTab){ p = p->pLeft; }else{ while( p->op==TK_AND ){ - if( sqlite3ExprImpliesNonNullRow(p->pLeft, iTab) ) return 1; + if( sqlite3ExprImpliesNonNullRow(p->pLeft, iTab, isRJ) ) return 1; p = p->pRight; } } @@ -112363,6 +113559,7 @@ SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr *p, int iTab){ w.xSelectCallback = 0; w.xSelectCallback2 = 0; w.eCode = 0; + w.mWFlags = isRJ!=0; w.u.iCur = iTab; sqlite3WalkExpr(&w, p); return w.eCode; @@ -112423,7 +113620,7 @@ SQLITE_PRIVATE int sqlite3ExprCoveredByIndex( } -/* Structure used to pass information throught the Walker in order to +/* Structure used to pass information throughout the Walker in order to ** implement sqlite3ReferencesSrcList(). */ struct RefSrcList { @@ -112639,7 +113836,7 @@ static int addAggInfoFunc(sqlite3 *db, AggInfo *pInfo){ ** Return the index in aCol[] of the entry that describes that column. ** ** If no prior entry is found, create a new one and return -1. The -** new column will have an idex of pAggInfo->nColumn-1. +** new column will have an index of pAggInfo->nColumn-1. */ static void findOrCreateAggInfoColumn( Parse *pParse, /* Parsing context */ @@ -112652,6 +113849,7 @@ static void findOrCreateAggInfoColumn( assert( pAggInfo->iFirstReg==0 ); pCol = pAggInfo->aCol; for(k=0; knColumn; k++, pCol++){ + if( pCol->pCExpr==pExpr ) return; if( pCol->iTable==pExpr->iTable && pCol->iColumn==pExpr->iColumn && pExpr->op!=TK_IF_NULL_ROW @@ -113532,7 +114730,7 @@ SQLITE_PRIVATE void sqlite3AlterBeginAddColumn(Parse *pParse, SrcList *pSrc){ pNew->u.tab.pDfltList = sqlite3ExprListDup(db, pTab->u.tab.pDfltList, 0); pNew->pSchema = db->aDb[iDb].pSchema; pNew->u.tab.addColOffset = pTab->u.tab.addColOffset; - pNew->nTabRef = 1; + assert( pNew->nTabRef==1 ); exit_begin_add_column: sqlite3SrcListDelete(db, pSrc); @@ -114037,7 +115235,7 @@ static RenameToken *renameColumnTokenNext(RenameCtx *pCtx){ } /* -** An error occured while parsing or otherwise processing a database +** An error occurred while parsing or otherwise processing a database ** object (either pParse->pNewTable, pNewIndex or pNewTrigger) as part of an ** ALTER TABLE RENAME COLUMN program. The error message emitted by the ** sub-routine is currently stored in pParse->zErrMsg. This function @@ -117143,14 +118341,15 @@ static int loadStatTbl( decodeIntArray((char*)sqlite3_column_text(pStmt,2),nCol,pSample->anLt,0,0); decodeIntArray((char*)sqlite3_column_text(pStmt,3),nCol,pSample->anDLt,0,0); - /* Take a copy of the sample. Add two 0x00 bytes the end of the buffer. + /* Take a copy of the sample. Add 8 extra 0x00 bytes the end of the buffer. ** This is in case the sample record is corrupted. In that case, the ** sqlite3VdbeRecordCompare() may read up to two varints past the ** end of the allocated buffer before it realizes it is dealing with - ** a corrupt record. Adding the two 0x00 bytes prevents this from causing + ** a corrupt record. Or it might try to read a large integer from the + ** buffer. In any case, eight 0x00 bytes prevents this from causing ** a buffer overread. */ pSample->n = sqlite3_column_bytes(pStmt, 4); - pSample->p = sqlite3DbMallocZero(db, pSample->n + 2); + pSample->p = sqlite3DbMallocZero(db, pSample->n + 8); if( pSample->p==0 ){ sqlite3_finalize(pStmt); return SQLITE_NOMEM_BKPT; @@ -118108,7 +119307,7 @@ SQLITE_PRIVATE int sqlite3AuthCheck( sqlite3 *db = pParse->db; int rc; - /* Don't do any authorization checks if the database is initialising + /* Don't do any authorization checks if the database is initializing ** or if the parser is being invoked from within sqlite3_declare_vtab. */ assert( !IN_RENAME_OBJECT || db->xAuth==0 ); @@ -118409,15 +119608,17 @@ SQLITE_PRIVATE void sqlite3FinishCoding(Parse *pParse){ pParse->nVtabLock = 0; #endif +#ifndef SQLITE_OMIT_SHARED_CACHE /* Once all the cookies have been verified and transactions opened, ** obtain the required table-locks. This is a no-op unless the ** shared-cache feature is enabled. */ - codeTableLocks(pParse); + if( pParse->nTableLock ) codeTableLocks(pParse); +#endif /* Initialize any AUTOINCREMENT data structures required. */ - sqlite3AutoincrementBegin(pParse); + if( pParse->pAinc ) sqlite3AutoincrementBegin(pParse); /* Code constant expressions that where factored out of inner loops. ** @@ -118930,7 +120131,7 @@ SQLITE_PRIVATE void sqlite3ColumnSetColl( } /* -** Return the collating squence name for a column +** Return the collating sequence name for a column */ SQLITE_PRIVATE const char *sqlite3ColumnColl(Column *pCol){ const char *z; @@ -119688,7 +120889,7 @@ SQLITE_PRIVATE void sqlite3AddColumn(Parse *pParse, Token sName, Token sType){ } if( !IN_RENAME_OBJECT ) sqlite3DequoteToken(&sName); - /* Because keywords GENERATE ALWAYS can be converted into indentifiers + /* Because keywords GENERATE ALWAYS can be converted into identifiers ** by the parser, we can sometimes end up with a typename that ends ** with "generated always". Check for this case and omit the surplus ** text. */ @@ -119909,7 +121110,7 @@ SQLITE_PRIVATE void sqlite3AddDefaultValue( Parse *pParse, /* Parsing context */ Expr *pExpr, /* The parsed expression of the default value */ const char *zStart, /* Start of the default value text */ - const char *zEnd /* First character past end of defaut value text */ + const char *zEnd /* First character past end of default value text */ ){ Table *p; Column *pCol; @@ -120257,7 +121458,7 @@ static int identLength(const char *z){ ** to the specified offset in the buffer and updates *pIdx to refer ** to the first byte after the last byte written before returning. ** -** If the string zSignedIdent consists entirely of alpha-numeric +** If the string zSignedIdent consists entirely of alphanumeric ** characters, does not begin with a digit and is not an SQL keyword, ** then it is copied to the output buffer exactly as it is. Otherwise, ** it is quoted using double-quotes. @@ -120409,7 +121610,7 @@ static void estimateIndexWidth(Index *pIdx){ for(i=0; inColumn; i++){ i16 x = pIdx->aiColumn[i]; assert( xpTable->nCol ); - wIndex += x<0 ? 1 : aCol[pIdx->aiColumn[i]].szEst; + wIndex += x<0 ? 1 : aCol[x].szEst; } pIdx->szIdxRow = sqlite3LogEst(wIndex*4); } @@ -122147,7 +123348,7 @@ SQLITE_PRIVATE void sqlite3CreateIndex( #ifndef SQLITE_OMIT_TEMPDB /* If the index name was unqualified, check if the table ** is a temp table. If so, set the database to 1. Do not do this - ** if initialising a database schema. + ** if initializing a database schema. */ if( !db->init.busy ){ pTab = sqlite3SrcListLookup(pParse, pTblName); @@ -123804,7 +125005,7 @@ SQLITE_PRIVATE void sqlite3CteDelete(sqlite3 *db, Cte *pCte){ /* ** This routine is invoked once per CTE by the parser while parsing a -** WITH clause. The CTE described by teh third argument is added to +** WITH clause. The CTE described by the third argument is added to ** the WITH clause of the second argument. If the second argument is ** NULL, then a new WITH argument is created. */ @@ -124446,8 +125647,9 @@ SQLITE_PRIVATE Table *sqlite3SrcListLookup(Parse *pParse, SrcList *pSrc){ Table *pTab; assert( pItem && pSrc->nSrc>=1 ); pTab = sqlite3LocateTableItem(pParse, 0, pItem); - sqlite3DeleteTable(pParse->db, pItem->pTab); + if( pItem->pTab ) sqlite3DeleteTable(pParse->db, pItem->pTab); pItem->pTab = pTab; + pItem->fg.notCte = 1; if( pTab ){ pTab->nTabRef++; if( pItem->fg.isIndexedBy && sqlite3IndexedByLookup(pParse, pItem) ){ @@ -124600,7 +125802,7 @@ SQLITE_PRIVATE Expr *sqlite3LimitWhere( sqlite3 *db = pParse->db; Expr *pLhs = NULL; /* LHS of IN(SELECT...) operator */ Expr *pInClause = NULL; /* WHERE rowid IN ( select ) */ - ExprList *pEList = NULL; /* Expression list contaning only pSelectRowid */ + ExprList *pEList = NULL; /* Expression list containing only pSelectRowid*/ SrcList *pSelectSrc = NULL; /* SELECT rowid FROM x ... (dup of pSrc) */ Select *pSelect = NULL; /* Complete SELECT tree */ Table *pTab; @@ -124638,14 +125840,20 @@ SQLITE_PRIVATE Expr *sqlite3LimitWhere( ); }else{ Index *pPk = sqlite3PrimaryKeyIndex(pTab); + assert( pPk!=0 ); + assert( pPk->nKeyCol>=1 ); if( pPk->nKeyCol==1 ){ - const char *zName = pTab->aCol[pPk->aiColumn[0]].zCnName; + const char *zName; + assert( pPk->aiColumn[0]>=0 && pPk->aiColumn[0]nCol ); + zName = pTab->aCol[pPk->aiColumn[0]].zCnName; pLhs = sqlite3Expr(db, TK_ID, zName); pEList = sqlite3ExprListAppend(pParse, 0, sqlite3Expr(db, TK_ID, zName)); }else{ int i; for(i=0; inKeyCol; i++){ - Expr *p = sqlite3Expr(db, TK_ID, pTab->aCol[pPk->aiColumn[i]].zCnName); + Expr *p; + assert( pPk->aiColumn[i]>=0 && pPk->aiColumn[i]nCol ); + p = sqlite3Expr(db, TK_ID, pTab->aCol[pPk->aiColumn[i]].zCnName); pEList = sqlite3ExprListAppend(pParse, pEList, p); } pLhs = sqlite3PExpr(pParse, TK_VECTOR, 0, 0); @@ -124674,7 +125882,7 @@ SQLITE_PRIVATE Expr *sqlite3LimitWhere( pOrderBy,0,pLimit ); - /* now generate the new WHERE rowid IN clause for the DELETE/UDPATE */ + /* now generate the new WHERE rowid IN clause for the DELETE/UPDATE */ pInClause = sqlite3PExpr(pParse, TK_IN, pLhs, 0); sqlite3PExprAddSelect(pParse, pInClause, pSelect); return pInClause; @@ -124903,7 +126111,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( if( HasRowid(pTab) ){ /* For a rowid table, initialize the RowSet to an empty set */ pPk = 0; - nPk = 1; + assert( nPk==1 ); iRowSet = ++pParse->nMem; sqlite3VdbeAddOp2(v, OP_Null, 0, iRowSet); }else{ @@ -124931,7 +126139,8 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( if( pWInfo==0 ) goto delete_from_cleanup; eOnePass = sqlite3WhereOkOnePass(pWInfo, aiCurOnePass); assert( IsVirtual(pTab)==0 || eOnePass!=ONEPASS_MULTI ); - assert( IsVirtual(pTab) || bComplex || eOnePass!=ONEPASS_OFF ); + assert( IsVirtual(pTab) || bComplex || eOnePass!=ONEPASS_OFF + || OptimizationDisabled(db, SQLITE_OnePass) ); if( eOnePass!=ONEPASS_SINGLE ) sqlite3MultiWrite(pParse); if( sqlite3WhereUsesDeferredSeek(pWInfo) ){ sqlite3VdbeAddOp1(v, OP_FinishSeek, iTabCur); @@ -125268,9 +126477,11 @@ SQLITE_PRIVATE void sqlite3GenerateRowDelete( sqlite3FkActions(pParse, pTab, 0, iOld, 0, 0); /* Invoke AFTER DELETE trigger programs. */ - sqlite3CodeRowTrigger(pParse, pTrigger, - TK_DELETE, 0, TRIGGER_AFTER, pTab, iOld, onconf, iLabel - ); + if( pTrigger ){ + sqlite3CodeRowTrigger(pParse, pTrigger, + TK_DELETE, 0, TRIGGER_AFTER, pTab, iOld, onconf, iLabel + ); + } /* Jump here if the row had already been deleted before any BEFORE ** trigger programs were invoked. Or if a trigger program throws a @@ -125583,6 +126794,42 @@ static void lengthFunc( } } +/* +** Implementation of the octet_length() function +*/ +static void bytelengthFunc( + sqlite3_context *context, + int argc, + sqlite3_value **argv +){ + assert( argc==1 ); + UNUSED_PARAMETER(argc); + switch( sqlite3_value_type(argv[0]) ){ + case SQLITE_BLOB: { + sqlite3_result_int(context, sqlite3_value_bytes(argv[0])); + break; + } + case SQLITE_INTEGER: + case SQLITE_FLOAT: { + i64 m = sqlite3_context_db_handle(context)->enc<=SQLITE_UTF8 ? 1 : 2; + sqlite3_result_int64(context, sqlite3_value_bytes(argv[0])*m); + break; + } + case SQLITE_TEXT: { + if( sqlite3_value_encoding(argv[0])<=SQLITE_UTF8 ){ + sqlite3_result_int(context, sqlite3_value_bytes(argv[0])); + }else{ + sqlite3_result_int(context, sqlite3_value_bytes16(argv[0])); + } + break; + } + default: { + sqlite3_result_null(context); + break; + } + } +} + /* ** Implementation of the abs() function. ** @@ -125859,7 +127106,7 @@ static void roundFunc(sqlite3_context *context, int argc, sqlite3_value **argv){ }else if( n==0 ){ r = (double)((sqlite_int64)(r+(r<0?-0.5:+0.5))); }else{ - zBuf = sqlite3_mprintf("%.*f",n,r); + zBuf = sqlite3_mprintf("%!.*f",n,r); if( zBuf==0 ){ sqlite3_result_error_nomem(context); return; @@ -126059,7 +127306,7 @@ struct compareInfo { /* ** For LIKE and GLOB matching on EBCDIC machines, assume that every -** character is exactly one byte in size. Also, provde the Utf8Read() +** character is exactly one byte in size. Also, provide the Utf8Read() ** macro for fast reading of the next character in the common case where ** the next character is ASCII. */ @@ -126292,7 +127539,7 @@ SQLITE_API int sqlite3_like_count = 0; /* ** Implementation of the like() SQL function. This function implements -** the build-in LIKE operator. The first argument to the function is the +** the built-in LIKE operator. The first argument to the function is the ** pattern and the second argument is the string. So, the SQL statements: ** ** A LIKE B @@ -126625,6 +127872,7 @@ static void charFunc( *zOut++ = 0x80 + (u8)(c & 0x3F); } \ } + *zOut = 0; sqlite3_result_text64(context, (char*)z, zOut-z, sqlite3_free, SQLITE_UTF8); } @@ -126678,7 +127926,7 @@ static int strContainsChar(const u8 *zStr, int nStr, u32 ch){ ** decoded and returned as a blob. ** ** If there is only a single argument, then it must consist only of an -** even number of hexadeximal digits. Otherwise, return NULL. +** even number of hexadecimal digits. Otherwise, return NULL. ** ** Or, if there is a second argument, then any character that appears in ** the second argument is also allowed to appear between pairs of hexadecimal @@ -127068,13 +128316,68 @@ static void loadExt(sqlite3_context *context, int argc, sqlite3_value **argv){ */ typedef struct SumCtx SumCtx; struct SumCtx { - double rSum; /* Floating point sum */ - i64 iSum; /* Integer sum */ + double rSum; /* Running sum as as a double */ + double rErr; /* Error term for Kahan-Babushka-Neumaier summation */ + i64 iSum; /* Running sum as a signed integer */ i64 cnt; /* Number of elements summed */ - u8 overflow; /* True if integer overflow seen */ - u8 approx; /* True if non-integer value was input to the sum */ + u8 approx; /* True if any non-integer value was input to the sum */ + u8 ovrfl; /* Integer overflow seen */ }; +/* +** Do one step of the Kahan-Babushka-Neumaier summation. +** +** https://en.wikipedia.org/wiki/Kahan_summation_algorithm +** +** Variables are marked "volatile" to defeat c89 x86 floating point +** optimizations can mess up this algorithm. +*/ +static void kahanBabuskaNeumaierStep( + volatile SumCtx *pSum, + volatile double r +){ + volatile double s = pSum->rSum; + volatile double t = s + r; + if( fabs(s) > fabs(r) ){ + pSum->rErr += (s - t) + r; + }else{ + pSum->rErr += (r - t) + s; + } + pSum->rSum = t; +} + +/* +** Add a (possibly large) integer to the running sum. +*/ +static void kahanBabuskaNeumaierStepInt64(volatile SumCtx *pSum, i64 iVal){ + if( iVal<=-4503599627370496LL || iVal>=+4503599627370496LL ){ + i64 iBig, iSm; + iSm = iVal % 16384; + iBig = iVal - iSm; + kahanBabuskaNeumaierStep(pSum, iBig); + kahanBabuskaNeumaierStep(pSum, iSm); + }else{ + kahanBabuskaNeumaierStep(pSum, (double)iVal); + } +} + +/* +** Initialize the Kahan-Babaska-Neumaier sum from a 64-bit integer +*/ +static void kahanBabuskaNeumaierInit( + volatile SumCtx *p, + i64 iVal +){ + if( iVal<=-4503599627370496LL || iVal>=+4503599627370496LL ){ + i64 iSm = iVal % 16384; + p->rSum = (double)(iVal - iSm); + p->rErr = (double)iSm; + }else{ + p->rSum = (double)iVal; + p->rErr = 0.0; + } +} + /* ** Routines used to compute the sum, average, and total. ** @@ -127094,15 +128397,29 @@ static void sumStep(sqlite3_context *context, int argc, sqlite3_value **argv){ type = sqlite3_value_numeric_type(argv[0]); if( p && type!=SQLITE_NULL ){ p->cnt++; - if( type==SQLITE_INTEGER ){ - i64 v = sqlite3_value_int64(argv[0]); - p->rSum += v; - if( (p->approx|p->overflow)==0 && sqlite3AddInt64(&p->iSum, v) ){ - p->approx = p->overflow = 1; + if( p->approx==0 ){ + if( type!=SQLITE_INTEGER ){ + kahanBabuskaNeumaierInit(p, p->iSum); + p->approx = 1; + kahanBabuskaNeumaierStep(p, sqlite3_value_double(argv[0])); + }else{ + i64 x = p->iSum; + if( sqlite3AddInt64(&x, sqlite3_value_int64(argv[0]))==0 ){ + p->iSum = x; + }else{ + p->ovrfl = 1; + kahanBabuskaNeumaierInit(p, p->iSum); + p->approx = 1; + kahanBabuskaNeumaierStepInt64(p, sqlite3_value_int64(argv[0])); + } } }else{ - p->rSum += sqlite3_value_double(argv[0]); - p->approx = 1; + if( type==SQLITE_INTEGER ){ + kahanBabuskaNeumaierStepInt64(p, sqlite3_value_int64(argv[0])); + }else{ + p->ovrfl = 0; + kahanBabuskaNeumaierStep(p, sqlite3_value_double(argv[0])); + } } } } @@ -127119,13 +128436,18 @@ static void sumInverse(sqlite3_context *context, int argc, sqlite3_value**argv){ if( ALWAYS(p) && type!=SQLITE_NULL ){ assert( p->cnt>0 ); p->cnt--; - assert( type==SQLITE_INTEGER || p->approx ); - if( type==SQLITE_INTEGER && p->approx==0 ){ - i64 v = sqlite3_value_int64(argv[0]); - p->rSum -= v; - p->iSum -= v; + if( !p->approx ){ + p->iSum -= sqlite3_value_int64(argv[0]); + }else if( type==SQLITE_INTEGER ){ + i64 iVal = sqlite3_value_int64(argv[0]); + if( iVal!=SMALLEST_INT64 ){ + kahanBabuskaNeumaierStepInt64(p, -iVal); + }else{ + kahanBabuskaNeumaierStepInt64(p, LARGEST_INT64); + kahanBabuskaNeumaierStepInt64(p, 1); + } }else{ - p->rSum -= sqlite3_value_double(argv[0]); + kahanBabuskaNeumaierStep(p, -sqlite3_value_double(argv[0])); } } } @@ -127136,10 +128458,12 @@ static void sumFinalize(sqlite3_context *context){ SumCtx *p; p = sqlite3_aggregate_context(context, 0); if( p && p->cnt>0 ){ - if( p->overflow ){ - sqlite3_result_error(context,"integer overflow",-1); - }else if( p->approx ){ - sqlite3_result_double(context, p->rSum); + if( p->approx ){ + if( p->ovrfl ){ + sqlite3_result_error(context,"integer overflow",-1); + }else{ + sqlite3_result_double(context, p->rSum+p->rErr); + } }else{ sqlite3_result_int64(context, p->iSum); } @@ -127149,14 +128473,27 @@ static void avgFinalize(sqlite3_context *context){ SumCtx *p; p = sqlite3_aggregate_context(context, 0); if( p && p->cnt>0 ){ - sqlite3_result_double(context, p->rSum/(double)p->cnt); + double r; + if( p->approx ){ + r = p->rSum+p->rErr; + }else{ + r = (double)(p->iSum); + } + sqlite3_result_double(context, r/(double)p->cnt); } } static void totalFinalize(sqlite3_context *context){ SumCtx *p; + double r = 0.0; p = sqlite3_aggregate_context(context, 0); - /* (double)0 In case of SQLITE_OMIT_FLOATING_POINT... */ - sqlite3_result_double(context, p ? p->rSum : (double)0); + if( p ){ + if( p->approx ){ + r = p->rSum+p->rErr; + }else{ + r = (double)(p->iSum); + } + } + sqlite3_result_double(context, r); } /* @@ -127378,7 +128715,7 @@ static void groupConcatInverse( if( sqlite3_value_type(argv[0])==SQLITE_NULL ) return; pGCC = (GroupConcatCtx*)sqlite3_aggregate_context(context, sizeof(*pGCC)); /* pGCC is always non-NULL since groupConcatStep() will have always - ** run frist to initialize it */ + ** run first to initialize it */ if( ALWAYS(pGCC) ){ int nVS; /* Must call sqlite3_value_text() to convert the argument into text prior @@ -127462,8 +128799,10 @@ SQLITE_PRIVATE void sqlite3RegisterPerConnectionBuiltinFunctions(sqlite3 *db){ ** sensitive. */ SQLITE_PRIVATE void sqlite3RegisterLikeFunctions(sqlite3 *db, int caseSensitive){ + FuncDef *pDef; struct compareInfo *pInfo; int flags; + int nArg; if( caseSensitive ){ pInfo = (struct compareInfo*)&likeInfoAlt; flags = SQLITE_FUNC_LIKE | SQLITE_FUNC_CASE; @@ -127471,10 +128810,13 @@ SQLITE_PRIVATE void sqlite3RegisterLikeFunctions(sqlite3 *db, int caseSensitive) pInfo = (struct compareInfo*)&likeInfoNorm; flags = SQLITE_FUNC_LIKE; } - sqlite3CreateFunc(db, "like", 2, SQLITE_UTF8, pInfo, likeFunc, 0, 0, 0, 0, 0); - sqlite3CreateFunc(db, "like", 3, SQLITE_UTF8, pInfo, likeFunc, 0, 0, 0, 0, 0); - sqlite3FindFunction(db, "like", 2, SQLITE_UTF8, 0)->funcFlags |= flags; - sqlite3FindFunction(db, "like", 3, SQLITE_UTF8, 0)->funcFlags |= flags; + for(nArg=2; nArg<=3; nArg++){ + sqlite3CreateFunc(db, "like", nArg, SQLITE_UTF8, pInfo, likeFunc, + 0, 0, 0, 0, 0); + pDef = sqlite3FindFunction(db, "like", nArg, SQLITE_UTF8, 0); + pDef->funcFlags |= flags; + pDef->funcFlags &= ~SQLITE_FUNC_UNSAFE; + } } /* @@ -127746,6 +129088,37 @@ static void signFunc( sqlite3_result_int(context, x<0.0 ? -1 : x>0.0 ? +1 : 0); } +#ifdef SQLITE_DEBUG +/* +** Implementation of fpdecode(x,y,z) function. +** +** x is a real number that is to be decoded. y is the precision. +** z is the maximum real precision. +*/ +static void fpdecodeFunc( + sqlite3_context *context, + int argc, + sqlite3_value **argv +){ + FpDecode s; + double x; + int y, z; + char zBuf[100]; + UNUSED_PARAMETER(argc); + assert( argc==3 ); + x = sqlite3_value_double(argv[0]); + y = sqlite3_value_int(argv[1]); + z = sqlite3_value_int(argv[2]); + sqlite3FpDecode(&s, x, y, z); + if( s.isSpecial==2 ){ + sqlite3_snprintf(sizeof(zBuf), zBuf, "NaN"); + }else{ + sqlite3_snprintf(sizeof(zBuf), zBuf, "%c%.*s/%d", s.sign, s.n, s.z, s.iDP); + } + sqlite3_result_text(context, zBuf, -1, SQLITE_TRANSIENT); +} +#endif /* SQLITE_DEBUG */ + /* ** All of the FuncDef structures in the aBuiltinFunc[] array above ** to the global function hash table. This occurs at start-time (as @@ -127810,12 +129183,16 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ FUNCTION2(typeof, 1, 0, 0, typeofFunc, SQLITE_FUNC_TYPEOF), FUNCTION2(subtype, 1, 0, 0, subtypeFunc, SQLITE_FUNC_TYPEOF), FUNCTION2(length, 1, 0, 0, lengthFunc, SQLITE_FUNC_LENGTH), + FUNCTION2(octet_length, 1, 0, 0, bytelengthFunc,SQLITE_FUNC_BYTELEN), FUNCTION(instr, 2, 0, 0, instrFunc ), FUNCTION(printf, -1, 0, 0, printfFunc ), FUNCTION(format, -1, 0, 0, printfFunc ), FUNCTION(unicode, 1, 0, 0, unicodeFunc ), FUNCTION(char, -1, 0, 0, charFunc ), FUNCTION(abs, 1, 0, 0, absFunc ), +#ifdef SQLITE_DEBUG + FUNCTION(fpdecode, 3, 0, 0, fpdecodeFunc ), +#endif #ifndef SQLITE_OMIT_FLOATING_POINT FUNCTION(round, 1, 0, 0, roundFunc ), FUNCTION(round, 2, 0, 0, roundFunc ), @@ -129386,9 +130763,8 @@ SQLITE_PRIVATE void sqlite3FkDelete(sqlite3 *db, Table *pTab){ if( pFKey->pPrevTo ){ pFKey->pPrevTo->pNextTo = pFKey->pNextTo; }else{ - void *p = (void *)pFKey->pNextTo; - const char *z = (p ? pFKey->pNextTo->zTo : pFKey->zTo); - sqlite3HashInsert(&pTab->pSchema->fkeyHash, z, p); + const char *z = (pFKey->pNextTo ? pFKey->pNextTo->zTo : pFKey->zTo); + sqlite3HashInsert(&pTab->pSchema->fkeyHash, z, pFKey->pNextTo); } if( pFKey->pNextTo ){ pFKey->pNextTo->pPrevTo = pFKey->pPrevTo; @@ -129451,8 +130827,10 @@ SQLITE_PRIVATE void sqlite3OpenTable( assert( pParse->pVdbe!=0 ); v = pParse->pVdbe; assert( opcode==OP_OpenWrite || opcode==OP_OpenRead ); - sqlite3TableLock(pParse, iDb, pTab->tnum, - (opcode==OP_OpenWrite)?1:0, pTab->zName); + if( !pParse->db->noSharedCache ){ + sqlite3TableLock(pParse, iDb, pTab->tnum, + (opcode==OP_OpenWrite)?1:0, pTab->zName); + } if( HasRowid(pTab) ){ sqlite3VdbeAddOp4Int(v, opcode, iCur, pTab->tnum, iDb, pTab->nNVCol); VdbeComment((v, "%s", pTab->zName)); @@ -129581,7 +130959,7 @@ SQLITE_PRIVATE char *sqlite3TableAffinityStr(sqlite3 *db, const Table *pTab){ ** For STRICT tables: ** ------------------ ** -** Generate an appropropriate OP_TypeCheck opcode that will verify the +** Generate an appropriate OP_TypeCheck opcode that will verify the ** datatypes against the column definitions in pTab. If iReg==0, that ** means an OP_MakeRecord opcode has already been generated and should be ** the last opcode generated. The new OP_TypeCheck needs to be inserted @@ -130873,7 +132251,7 @@ insert_cleanup: /* This is the Walker callback from sqlite3ExprReferencesUpdatedColumn(). * Set bit 0x01 of pWalker->eCode if pWalker->eCode to 0 and if this ** expression node references any of the -** columns that are being modifed by an UPDATE statement. +** columns that are being modified by an UPDATE statement. */ static int checkConstraintExprNode(Walker *pWalker, Expr *pExpr){ if( pExpr->op==TK_COLUMN ){ @@ -131096,7 +132474,7 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( int *aiChng, /* column i is unchanged if aiChng[i]<0 */ Upsert *pUpsert /* ON CONFLICT clauses, if any. NULL otherwise */ ){ - Vdbe *v; /* VDBE under constrution */ + Vdbe *v; /* VDBE under construction */ Index *pIdx; /* Pointer to one of the indices */ Index *pPk = 0; /* The PRIMARY KEY index for WITHOUT ROWID tables */ sqlite3 *db; /* Database connection */ @@ -131579,7 +132957,7 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( pIdx; pIdx = indexIteratorNext(&sIdxIter, &ix) ){ - int regIdx; /* Range of registers hold conent for pIdx */ + int regIdx; /* Range of registers holding content for pIdx */ int regR; /* Range of registers holding conflicting PK */ int iThisCur; /* Cursor for this UNIQUE index */ int addrUniqueOk; /* Jump here if the UNIQUE constraint is satisfied */ @@ -132074,6 +133452,8 @@ SQLITE_PRIVATE int sqlite3OpenTableAndIndices( assert( op==OP_OpenRead || op==OP_OpenWrite ); assert( op==OP_OpenWrite || p5==0 ); + assert( piDataCur!=0 ); + assert( piIdxCur!=0 ); if( IsVirtual(pTab) ){ /* This routine is a no-op for virtual tables. Leave the output ** variables *piDataCur and *piIdxCur set to illegal cursor numbers @@ -132086,18 +133466,18 @@ SQLITE_PRIVATE int sqlite3OpenTableAndIndices( assert( v!=0 ); if( iBase<0 ) iBase = pParse->nTab; iDataCur = iBase++; - if( piDataCur ) *piDataCur = iDataCur; + *piDataCur = iDataCur; if( HasRowid(pTab) && (aToOpen==0 || aToOpen[0]) ){ sqlite3OpenTable(pParse, iDataCur, iDb, pTab, op); - }else{ + }else if( pParse->db->noSharedCache==0 ){ sqlite3TableLock(pParse, iDb, pTab->tnum, op==OP_OpenWrite, pTab->zName); } - if( piIdxCur ) *piIdxCur = iBase; + *piIdxCur = iBase; for(i=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, i++){ int iIdxCur = iBase++; assert( pIdx->pSchema==pTab->pSchema ); if( IsPrimaryKeyIndex(pIdx) && !HasRowid(pTab) ){ - if( piDataCur ) *piDataCur = iIdxCur; + *piDataCur = iIdxCur; p5 = 0; } if( aToOpen==0 || aToOpen[i+1] ){ @@ -132395,7 +133775,7 @@ static int xferOptimization( } #endif #ifndef SQLITE_OMIT_FOREIGN_KEY - /* Disallow the transfer optimization if the destination table constains + /* Disallow the transfer optimization if the destination table contains ** any foreign key constraints. This is more restrictive than necessary. ** But the main beneficiary of the transfer optimization is the VACUUM ** command, and the VACUUM command disables foreign key constraints. So @@ -133105,6 +134485,8 @@ struct sqlite3_api_routines { int (*value_encoding)(sqlite3_value*); /* Version 3.41.0 and later */ int (*is_interrupted)(sqlite3*); + /* Version 3.43.0 and later */ + int (*stmt_explain)(sqlite3_stmt*,int); }; /* @@ -133433,6 +134815,8 @@ typedef int (*sqlite3_loadext_entry)( #define sqlite3_value_encoding sqlite3_api->value_encoding /* Version 3.41.0 and later */ #define sqlite3_is_interrupted sqlite3_api->is_interrupted +/* Version 3.43.0 and later */ +#define sqlite3_stmt_explain sqlite3_api->stmt_explain #endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */ #if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) @@ -133949,7 +135333,9 @@ static const sqlite3_api_routines sqlite3Apis = { /* Version 3.40.0 and later */ sqlite3_value_encoding, /* Version 3.41.0 and later */ - sqlite3_is_interrupted + sqlite3_is_interrupted, + /* Version 3.43.0 and later */ + sqlite3_stmt_explain }; /* True if x is the directory separator character @@ -134029,6 +135415,10 @@ static int sqlite3LoadExtension( */ if( nMsg>SQLITE_MAX_PATHLEN ) goto extension_not_found; + /* Do not allow sqlite3_load_extension() to link to a copy of the + ** running application, by passing in an empty filename. */ + if( nMsg==0 ) goto extension_not_found; + handle = sqlite3OsDlOpen(pVfs, zFile); #if SQLITE_OS_UNIX || SQLITE_OS_WIN for(ii=0; iipParse; db->pParse = &sParse; sParse.db = db; - sParse.pReprepare = pReprepare; + if( pReprepare ){ + sParse.pReprepare = pReprepare; + sParse.explain = sqlite3_stmt_isexplain((sqlite3_stmt*)pReprepare); + }else{ + assert( sParse.pReprepare==0 ); + } assert( ppStmt && *ppStmt==0 ); if( db->mallocFailed ){ sqlite3ErrorMsg(&sParse, "out of memory"); @@ -139227,7 +140622,7 @@ static Select *findRightmost(Select *p){ ** NATURAL FULL OUTER JT_NATRUAL|JT_LEFT|JT_RIGHT ** ** To preserve historical compatibly, SQLite also accepts a variety -** of other non-standard and in many cases non-sensical join types. +** of other non-standard and in many cases nonsensical join types. ** This routine makes as much sense at it can from the nonsense join ** type and returns a result. Examples of accepted nonsense join types ** include but are not limited to: @@ -139498,7 +140893,7 @@ static int sqlite3ProcessJoin(Parse *pParse, Select *p){ if( NEVER(pLeft->pTab==0 || pRightTab==0) ) continue; joinType = (pRight->fg.jointype & JT_OUTER)!=0 ? EP_OuterON : EP_InnerON; - /* If this is a NATURAL join, synthesize an approprate USING clause + /* If this is a NATURAL join, synthesize an appropriate USING clause ** to specify which columns should be joined. */ if( pRight->fg.jointype & JT_NATURAL ){ @@ -139714,7 +141109,7 @@ static void pushOntoSorter( ** (3) Some output columns are omitted from the sort record due to ** the SQLITE_ENABLE_SORTER_REFERENCES optimization, or due to the ** SQLITE_ECEL_OMITREF optimization, or due to the - ** SortCtx.pDeferredRowLoad optimiation. In any of these cases + ** SortCtx.pDeferredRowLoad optimization. In any of these cases ** regOrigData is 0 to prevent this routine from trying to copy ** values that might not yet exist. */ @@ -139770,7 +141165,7 @@ static void pushOntoSorter( testcase( pKI->nAllField > pKI->nKeyField+2 ); pOp->p4.pKeyInfo = sqlite3KeyInfoFromExprList(pParse,pSort->pOrderBy,nOBSat, pKI->nAllField-pKI->nKeyField-1); - pOp = 0; /* Ensure pOp not used after sqltie3VdbeAddOp3() */ + pOp = 0; /* Ensure pOp not used after sqlite3VdbeAddOp3() */ addrJmp = sqlite3VdbeCurrentAddr(v); sqlite3VdbeAddOp3(v, OP_Jump, addrJmp+1, 0, addrJmp+1); VdbeCoverage(v); pSort->labelBkOut = sqlite3VdbeMakeLabel(pParse); @@ -139864,7 +141259,7 @@ static void codeOffset( ** The returned value in this case is a copy of parameter iTab. ** ** WHERE_DISTINCT_ORDERED: -** In this case rows are being delivered sorted order. The ephermal +** In this case rows are being delivered sorted order. The ephemeral ** table is not required. Instead, the current set of values ** is compared against previous row. If they match, the new row ** is not distinct and control jumps to VM address addrRepeat. Otherwise, @@ -140293,6 +141688,16 @@ static void selectInnerLoop( testcase( eDest==SRT_Fifo ); testcase( eDest==SRT_DistFifo ); sqlite3VdbeAddOp3(v, OP_MakeRecord, regResult, nResultCol, r1+nPrefixReg); +#if !defined(SQLITE_ENABLE_NULL_TRIM) && defined(SQLITE_DEBUG) + /* A destination of SRT_Table and a non-zero iSDParm2 parameter means + ** that this is an "UPDATE ... FROM" on a virtual table or view. In this + ** case set the p5 parameter of the OP_MakeRecord to OPFLAG_NOCHNG_MAGIC. + ** This does not affect operation in any way - it just allows MakeRecord + ** to process OPFLAG_NOCHANGE values without an assert() failing. */ + if( eDest==SRT_Table && pDest->iSDParm2 ){ + sqlite3VdbeChangeP5(v, OPFLAG_NOCHNG_MAGIC); + } +#endif #ifndef SQLITE_OMIT_CTE if( eDest==SRT_DistFifo ){ /* If the destination is DistFifo, then cursor (iParm+1) is open @@ -141096,13 +142501,6 @@ SQLITE_PRIVATE void sqlite3GenerateColumnNames( int fullName; /* TABLE.COLUMN if no AS clause and is a direct table ref */ int srcName; /* COLUMN or TABLE.COLUMN if no AS clause and is direct */ -#ifndef SQLITE_OMIT_EXPLAIN - /* If this is an EXPLAIN, skip this step */ - if( pParse->explain ){ - return; - } -#endif - if( pParse->colNamesSet ) return; /* Column names are determined by the left-most term of a compound select */ while( pSelect->pPrior ) pSelect = pSelect->pPrior; @@ -141289,7 +142687,7 @@ SQLITE_PRIVATE int sqlite3ColumnsFromExprList( ** kind (maybe a parenthesized subquery in the FROM clause of a larger ** query, or a VIEW, or a CTE). This routine computes type information ** for that Table object based on the Select object that implements the -** subquery. For the purposes of this routine, "type infomation" means: +** subquery. For the purposes of this routine, "type information" means: ** ** * The datatype name, as it might appear in a CREATE TABLE statement ** * Which collating sequence to use for the column @@ -141618,7 +143016,7 @@ static void generateWithRecursiveQuery( int iQueue; /* The Queue table */ int iDistinct = 0; /* To ensure unique results if UNION */ int eDest = SRT_Fifo; /* How to write to Queue */ - SelectDest destQueue; /* SelectDest targetting the Queue table */ + SelectDest destQueue; /* SelectDest targeting the Queue table */ int i; /* Loop counter */ int rc; /* Result code */ ExprList *pOrderBy; /* The ORDER BY clause */ @@ -142218,7 +143616,7 @@ SQLITE_PRIVATE void sqlite3SelectWrongNumTermsError(Parse *pParse, Select *p){ /* ** Code an output subroutine for a coroutine implementation of a -** SELECT statment. +** SELECT statement. ** ** The data to be output is contained in pIn->iSdst. There are ** pIn->nSdst columns to be output. pDest is where the output should @@ -142440,7 +143838,7 @@ static int generateOutputSubroutine( ** ** We call AltB, AeqB, AgtB, EofA, and EofB "subroutines" but they are not ** actually called using Gosub and they do not Return. EofA and EofB loop -** until all data is exhausted then jump to the "end" labe. AltB, AeqB, +** until all data is exhausted then jump to the "end" label. AltB, AeqB, ** and AgtB jump to either L2 or to one of EofA or EofB. */ #ifndef SQLITE_OMIT_COMPOUND_SELECT @@ -142477,7 +143875,7 @@ static int multiSelectOrderBy( int savedOffset; /* Saved value of p->iOffset */ int labelCmpr; /* Label for the start of the merge algorithm */ int labelEnd; /* Label for the end of the overall SELECT stmt */ - int addr1; /* Jump instructions that get retargetted */ + int addr1; /* Jump instructions that get retargeted */ int op; /* One of TK_ALL, TK_UNION, TK_EXCEPT, TK_INTERSECT */ KeyInfo *pKeyDup = 0; /* Comparison information for duplicate removal */ KeyInfo *pKeyMerge; /* Comparison information for merging rows */ @@ -142846,11 +144244,14 @@ static Expr *substExpr( #endif { Expr *pNew; - int iColumn = pExpr->iColumn; - Expr *pCopy = pSubst->pEList->a[iColumn].pExpr; + int iColumn; + Expr *pCopy; Expr ifNullRow; + iColumn = pExpr->iColumn; + assert( iColumn>=0 ); assert( pSubst->pEList!=0 && iColumnpEList->nExpr ); assert( pExpr->pRight==0 ); + pCopy = pSubst->pEList->a[iColumn].pExpr; if( sqlite3ExprIsVector(pCopy) ){ sqlite3VectorErrorMsg(pSubst->pParse, pCopy); }else{ @@ -143199,7 +144600,7 @@ static int compoundHasDifferentAffinities(Select *p){ ** (9) If the subquery uses LIMIT then the outer query may not be aggregate. ** ** (**) Restriction (10) was removed from the code on 2005-02-05 but we -** accidently carried the comment forward until 2014-09-15. Original +** accidentally carried the comment forward until 2014-09-15. Original ** constraint: "If the subquery is aggregate then the outer query ** may not use LIMIT." ** @@ -143291,7 +144692,8 @@ static int compoundHasDifferentAffinities(Select *p){ ** (27b) the subquery is a compound query and the RIGHT JOIN occurs ** in any arm of the compound query. (See also (17g).) ** -** (28) The subquery is not a MATERIALIZED CTE. +** (28) The subquery is not a MATERIALIZED CTE. (This is handled +** in the caller before ever reaching this routine.) ** ** ** In this routine, the "p" parameter is a pointer to the outer query. @@ -143401,9 +144803,9 @@ static int flattenSubquery( if( iFrom>0 && (pSubSrc->a[0].fg.jointype & JT_LTORJ)!=0 ){ return 0; /* Restriction (27a) */ } - if( pSubitem->fg.isCte && pSubitem->u2.pCteUse->eM10d==M10d_Yes ){ - return 0; /* (28) */ - } + + /* Condition (28) is blocked by the caller */ + assert( !pSubitem->fg.isCte || pSubitem->u2.pCteUse->eM10d!=M10d_Yes ); /* Restriction (17): If the sub-query is a compound SELECT, then it must ** use only the UNION ALL operator. And none of the simple select queries @@ -143473,7 +144875,7 @@ static int flattenSubquery( testcase( i==SQLITE_DENY ); pParse->zAuthContext = zSavedAuthContext; - /* Delete the transient structures associated with thesubquery */ + /* Delete the transient structures associated with the subquery */ pSub1 = pSubitem->pSelect; sqlite3DbFree(db, pSubitem->zDatabase); sqlite3DbFree(db, pSubitem->zName); @@ -143655,7 +145057,7 @@ static int flattenSubquery( ** ORDER BY column expression is identical to the iOrderByCol'th ** expression returned by SELECT statement pSub. Since these values ** do not necessarily correspond to columns in SELECT statement pParent, - ** zero them before transfering the ORDER BY clause. + ** zero them before transferring the ORDER BY clause. ** ** Not doing this may cause an error if a subsequent call to this ** function attempts to flatten a compound sub-query into pParent @@ -143715,8 +145117,7 @@ static int flattenSubquery( } } - /* Finially, delete what is left of the subquery and return - ** success. + /* Finally, delete what is left of the subquery and return success. */ sqlite3AggInfoPersistWalkerInit(&w, pParse); sqlite3WalkSelect(&w,pSub1); @@ -143751,7 +145152,7 @@ struct WhereConst { /* ** Add a new entry to the pConst object. Except, do not add duplicate -** pColumn entires. Also, do not add if doing so would not be appropriate. +** pColumn entries. Also, do not add if doing so would not be appropriate. ** ** The caller guarantees the pColumn is a column and pValue is a constant. ** This routine has to do some additional checks before completing the @@ -143937,7 +145338,7 @@ static int propagateConstantExprRewrite(Walker *pWalker, Expr *pExpr){ ** SELECT * FROM t1 WHERE a=123 AND b=123; ** ** The two SELECT statements above should return different answers. b=a -** is alway true because the comparison uses numeric affinity, but b=123 +** is always true because the comparison uses numeric affinity, but b=123 ** is false because it uses text affinity and '0123' is not the same as '123'. ** To work around this, the expression tree is not actually changed from ** "b=a" to "b=123" but rather the "a" in "b=a" is tagged with EP_FixedCol @@ -144021,7 +145422,7 @@ static int propagateConstants( ** At the time this function is called it is guaranteed that ** ** * the sub-query uses only one distinct window frame, and -** * that the window frame has a PARTITION BY clase. +** * that the window frame has a PARTITION BY clause. */ static int pushDownWindowCheck(Parse *pParse, Select *pSubq, Expr *pExpr){ assert( pSubq->pWin->pPartition ); @@ -145101,10 +146502,16 @@ static int selectExpander(Walker *pWalker, Select *p){ ** expanded. */ int tableSeen = 0; /* Set to 1 when TABLE matches */ char *zTName = 0; /* text of name of TABLE */ + int iErrOfst; if( pE->op==TK_DOT ){ assert( pE->pLeft!=0 ); assert( !ExprHasProperty(pE->pLeft, EP_IntValue) ); zTName = pE->pLeft->u.zToken; + assert( ExprUseWOfst(pE->pLeft) ); + iErrOfst = pE->pRight->w.iOfst; + }else{ + assert( ExprUseWOfst(pE) ); + iErrOfst = pE->w.iOfst; } for(i=0, pFrom=pTabList->a; inSrc; i++, pFrom++){ Table *pTab = pFrom->pTab; /* Table for this data source */ @@ -145141,6 +146548,7 @@ static int selectExpander(Walker *pWalker, Select *p){ for(ii=0; iinId; ii++){ const char *zUName = pUsing->a[ii].zName; pRight = sqlite3Expr(db, TK_ID, zUName); + sqlite3ExprSetErrorOffset(pRight, iErrOfst); pNew = sqlite3ExprListAppend(pParse, pNew, pRight); if( pNew ){ struct ExprList_item *pX = &pNew->a[pNew->nExpr-1]; @@ -145213,6 +146621,7 @@ static int selectExpander(Walker *pWalker, Select *p){ }else{ pExpr = pRight; } + sqlite3ExprSetErrorOffset(pExpr, iErrOfst); pNew = sqlite3ExprListAppend(pParse, pNew, pExpr); if( pNew==0 ){ break; /* OOM */ @@ -145529,7 +146938,7 @@ static int aggregateIdxEprRefToColCallback(Walker *pWalker, Expr *pExpr){ pExpr->op = TK_AGG_COLUMN; pExpr->iTable = pCol->iTable; pExpr->iColumn = pCol->iColumn; - ExprClearProperty(pExpr, EP_Skip|EP_Collate); + ExprClearProperty(pExpr, EP_Skip|EP_Collate|EP_Unlikely); return WRC_Prune; } @@ -145560,7 +146969,7 @@ static void aggregateConvertIndexedExprRefToColumn(AggInfo *pAggInfo){ ** * The aCol[] and aFunc[] arrays may be modified ** * The AggInfoColumnReg() and AggInfoFuncReg() macros may not be used ** -** After clling this routine: +** After calling this routine: ** ** * The aCol[] and aFunc[] arrays are fixed ** * The AggInfoColumnReg() and AggInfoFuncReg() macros may be used @@ -146214,22 +147623,59 @@ SQLITE_PRIVATE int sqlite3Select( ** to a real table */ assert( pTab!=0 ); - /* Convert LEFT JOIN into JOIN if there are terms of the right table - ** of the LEFT JOIN used in the WHERE clause. + /* Try to simplify joins: + ** + ** LEFT JOIN -> JOIN + ** RIGHT JOIN -> JOIN + ** FULL JOIN -> RIGHT JOIN + ** + ** If terms of the i-th table are used in the WHERE clause in such a + ** way that the i-th table cannot be the NULL row of a join, then + ** perform the appropriate simplification. This is called + ** "OUTER JOIN strength reduction" in the SQLite documentation. */ - if( (pItem->fg.jointype & (JT_LEFT|JT_RIGHT))==JT_LEFT - && sqlite3ExprImpliesNonNullRow(p->pWhere, pItem->iCursor) + if( (pItem->fg.jointype & (JT_LEFT|JT_LTORJ))!=0 + && sqlite3ExprImpliesNonNullRow(p->pWhere, pItem->iCursor, + pItem->fg.jointype & JT_LTORJ) && OptimizationEnabled(db, SQLITE_SimplifyJoin) ){ - TREETRACE(0x1000,pParse,p, - ("LEFT-JOIN simplifies to JOIN on term %d\n",i)); - pItem->fg.jointype &= ~(JT_LEFT|JT_OUTER); + if( pItem->fg.jointype & JT_LEFT ){ + if( pItem->fg.jointype & JT_RIGHT ){ + TREETRACE(0x1000,pParse,p, + ("FULL-JOIN simplifies to RIGHT-JOIN on term %d\n",i)); + pItem->fg.jointype &= ~JT_LEFT; + }else{ + TREETRACE(0x1000,pParse,p, + ("LEFT-JOIN simplifies to JOIN on term %d\n",i)); + pItem->fg.jointype &= ~(JT_LEFT|JT_OUTER); + } + } + if( pItem->fg.jointype & JT_LTORJ ){ + for(j=i+1; jnSrc; j++){ + SrcItem *pI2 = &pTabList->a[j]; + if( pI2->fg.jointype & JT_RIGHT ){ + if( pI2->fg.jointype & JT_LEFT ){ + TREETRACE(0x1000,pParse,p, + ("FULL-JOIN simplifies to LEFT-JOIN on term %d\n",j)); + pI2->fg.jointype &= ~JT_RIGHT; + }else{ + TREETRACE(0x1000,pParse,p, + ("RIGHT-JOIN simplifies to JOIN on term %d\n",j)); + pI2->fg.jointype &= ~(JT_RIGHT|JT_OUTER); + } + } + } + for(j=pTabList->nSrc-1; j>=i; j--){ + pTabList->a[j].fg.jointype &= ~JT_LTORJ; + if( pTabList->a[j].fg.jointype & JT_RIGHT ) break; + } + } assert( pItem->iCursor>=0 ); unsetJoinExpr(p->pWhere, pItem->iCursor, pTabList->a[0].fg.jointype & JT_LTORJ); } - /* No futher action if this term of the FROM clause is not a subquery */ + /* No further action if this term of the FROM clause is not a subquery */ if( pSub==0 ) continue; /* Catch mismatch in the declared columns of a view and the number of @@ -146240,6 +147686,14 @@ SQLITE_PRIVATE int sqlite3Select( goto select_end; } + /* Do not attempt the usual optimizations (flattening and ORDER BY + ** elimination) on a MATERIALIZED common table expression because + ** a MATERIALIZED common table expression is an optimization fence. + */ + if( pItem->fg.isCte && pItem->u2.pCteUse->eM10d==M10d_Yes ){ + continue; + } + /* Do not try to flatten an aggregate subquery. ** ** Flattening an aggregate subquery is only possible if the outer query @@ -146269,6 +147723,8 @@ SQLITE_PRIVATE int sqlite3Select( ** (a) The outer query has a different ORDER BY clause ** (b) The subquery is part of a join ** See forum post 062d576715d277c8 + ** + ** Also retain the ORDER BY if the OmitOrderBy optimization is disabled. */ if( pSub->pOrderBy!=0 && (p->pOrderBy!=0 || pTabList->nSrc>1) /* Condition (5) */ @@ -146483,7 +147939,7 @@ SQLITE_PRIVATE int sqlite3Select( }else if( pItem->fg.isCte && pItem->u2.pCteUse->addrM9e>0 ){ /* This is a CTE for which materialization code has already been ** generated. Invoke the subroutine to compute the materialization, - ** the make the pItem->iCursor be a copy of the ephemerial table that + ** the make the pItem->iCursor be a copy of the ephemeral table that ** holds the result of the materialization. */ CteUse *pCteUse = pItem->u2.pCteUse; sqlite3VdbeAddOp2(v, OP_Gosub, pCteUse->regRtn, pCteUse->addrM9e); @@ -146866,7 +148322,7 @@ SQLITE_PRIVATE int sqlite3Select( */ if( pGroupBy ){ KeyInfo *pKeyInfo; /* Keying information for the group by clause */ - int addr1; /* A-vs-B comparision jump */ + int addr1; /* A-vs-B comparison jump */ int addrOutputRow; /* Start of subroutine that outputs a result row */ int regOutputRow; /* Return address register for output subroutine */ int addrSetAbort; /* Set the abort flag and return */ @@ -146957,9 +148413,13 @@ SQLITE_PRIVATE int sqlite3Select( int nCol; int nGroupBy; - explainTempTable(pParse, +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + int addrExp; /* Address of OP_Explain instruction */ +#endif + ExplainQueryPlan2(addrExp, (pParse, 0, "USE TEMP B-TREE FOR %s", (sDistinct.isTnct && (p->selFlags&SF_Distinct)==0) ? - "DISTINCT" : "GROUP BY"); + "DISTINCT" : "GROUP BY" + )); groupBySort = 1; nGroupBy = pGroupBy->nExpr; @@ -146984,18 +148444,23 @@ SQLITE_PRIVATE int sqlite3Select( } pAggInfo->directMode = 0; regRecord = sqlite3GetTempReg(pParse); + sqlite3VdbeScanStatusCounters(v, addrExp, 0, sqlite3VdbeCurrentAddr(v)); sqlite3VdbeAddOp3(v, OP_MakeRecord, regBase, nCol, regRecord); sqlite3VdbeAddOp2(v, OP_SorterInsert, pAggInfo->sortingIdx, regRecord); + sqlite3VdbeScanStatusRange(v, addrExp, sqlite3VdbeCurrentAddr(v)-2, -1); sqlite3ReleaseTempReg(pParse, regRecord); sqlite3ReleaseTempRange(pParse, regBase, nCol); TREETRACE(0x2,pParse,p,("WhereEnd\n")); sqlite3WhereEnd(pWInfo); pAggInfo->sortingIdxPTab = sortPTab = pParse->nTab++; sortOut = sqlite3GetTempReg(pParse); + sqlite3VdbeScanStatusCounters(v, addrExp, sqlite3VdbeCurrentAddr(v), 0); sqlite3VdbeAddOp3(v, OP_OpenPseudo, sortPTab, sortOut, nCol); sqlite3VdbeAddOp2(v, OP_SorterSort, pAggInfo->sortingIdx, addrEnd); VdbeComment((v, "GROUP BY sort")); VdbeCoverage(v); pAggInfo->useSortingIdx = 1; + sqlite3VdbeScanStatusRange(v, addrExp, -1, sortPTab); + sqlite3VdbeScanStatusRange(v, addrExp, -1, pAggInfo->sortingIdx); } /* If there are entries in pAgggInfo->aFunc[] that contain subexpressions @@ -149246,7 +150711,7 @@ static void updateFromSelect( assert( pTabList->nSrc>1 ); if( pSrc ){ - pSrc->a[0].fg.notCte = 1; + assert( pSrc->a[0].fg.notCte ); pSrc->a[0].iCursor = -1; pSrc->a[0].pTab->nTabRef--; pSrc->a[0].pTab = 0; @@ -149763,7 +151228,7 @@ SQLITE_PRIVATE void sqlite3Update( && !hasFK && !chngKey && !bReplace - && (sNC.ncFlags & NC_Subquery)==0 + && (pWhere==0 || !ExprHasProperty(pWhere, EP_Subquery)) ){ flags |= WHERE_ONEPASS_MULTIROW; } @@ -149835,6 +151300,8 @@ SQLITE_PRIVATE void sqlite3Update( if( !isView ){ int addrOnce = 0; + int iNotUsed1 = 0; + int iNotUsed2 = 0; /* Open every index that needs updating. */ if( eOnePass!=ONEPASS_OFF ){ @@ -149846,7 +151313,7 @@ SQLITE_PRIVATE void sqlite3Update( addrOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v); } sqlite3OpenTableAndIndices(pParse, pTab, OP_OpenWrite, 0, iBaseCur, - aToOpen, 0, 0); + aToOpen, &iNotUsed1, &iNotUsed2); if( addrOnce ){ sqlite3VdbeJumpHereOrPopInst(v, addrOnce); } @@ -150137,8 +151604,10 @@ SQLITE_PRIVATE void sqlite3Update( sqlite3VdbeAddOp2(v, OP_AddImm, regRowCount, 1); } - sqlite3CodeRowTrigger(pParse, pTrigger, TK_UPDATE, pChanges, - TRIGGER_AFTER, pTab, regOldRowid, onError, labelContinue); + if( pTrigger ){ + sqlite3CodeRowTrigger(pParse, pTrigger, TK_UPDATE, pChanges, + TRIGGER_AFTER, pTab, regOldRowid, onError, labelContinue); + } /* Repeat the above with the next record to be updated, until ** all record selected by the WHERE clause have been updated. @@ -150233,7 +151702,7 @@ static void updateVirtualTable( int nArg = 2 + pTab->nCol; /* Number of arguments to VUpdate */ int regArg; /* First register in VUpdate arg array */ int regRec; /* Register in which to assemble record */ - int regRowid; /* Register for ephem table rowid */ + int regRowid; /* Register for ephemeral table rowid */ int iCsr = pSrc->a[0].iCursor; /* Cursor used for virtual table scan */ int aDummy[2]; /* Unused arg for sqlite3WhereOkOnePass() */ int eOnePass; /* True to use onepass strategy */ @@ -150277,7 +151746,9 @@ static void updateVirtualTable( sqlite3ExprDup(db, pChanges->a[aXRef[i]].pExpr, 0) ); }else{ - pList = sqlite3ExprListAppend(pParse, pList, exprRowColumn(pParse, i)); + Expr *pRowExpr = exprRowColumn(pParse, i); + if( pRowExpr ) pRowExpr->op2 = OPFLAG_NOCHNG; + pList = sqlite3ExprListAppend(pParse, pList, pRowExpr); } } @@ -150354,7 +151825,7 @@ static void updateVirtualTable( sqlite3WhereEnd(pWInfo); } - /* Begin scannning through the ephemeral table. */ + /* Begin scanning through the ephemeral table. */ addr = sqlite3VdbeAddOp1(v, OP_Rewind, ephemTab); VdbeCoverage(v); /* Extract arguments from the current row of the ephemeral table and @@ -150562,7 +152033,7 @@ SQLITE_PRIVATE int sqlite3UpsertAnalyzeTarget( pExpr = &sCol[0]; } for(jj=0; jja[jj].pExpr,pExpr,iCursor)<2 ){ + if( sqlite3ExprCompare(0,pTarget->a[jj].pExpr,pExpr,iCursor)<2 ){ break; /* Column ii of the index matches column jj of target */ } } @@ -150911,7 +152382,7 @@ SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3RunVacuum( ** (possibly synchronous) transaction opened on the main database before ** sqlite3BtreeCopyFile() is called. ** - ** An optimisation would be to use a non-journaled pager. + ** An optimization would be to use a non-journaled pager. ** (Later:) I tried setting "PRAGMA vacuum_db.journal_mode=OFF" but ** that actually made the VACUUM run slower. Very little journalling ** actually occurs when doing a vacuum since the vacuum_db is initially @@ -151600,7 +153071,7 @@ SQLITE_PRIVATE void sqlite3VtabFinishParse(Parse *pParse, Token *pEnd){ ** the information we've collected. ** ** The VM register number pParse->regRowid holds the rowid of an - ** entry in the sqlite_schema table tht was created for this vtab + ** entry in the sqlite_schema table that was created for this vtab ** by sqlite3StartTable(). */ iDb = sqlite3SchemaToIndex(db, pTab->pSchema); @@ -152344,7 +153815,7 @@ SQLITE_PRIVATE void sqlite3VtabMakeWritable(Parse *pParse, Table *pTab){ ** ** An eponymous virtual table instance is one that is named after its ** module, and more importantly, does not require a CREATE VIRTUAL TABLE -** statement in order to come into existance. Eponymous virtual table +** statement in order to come into existence. Eponymous virtual table ** instances always exist. They cannot be DROP-ed. ** ** Any virtual table module for which xConnect and xCreate are the same @@ -152535,7 +154006,7 @@ typedef struct WhereRightJoin WhereRightJoin; /* ** This object is a header on a block of allocated memory that will be -** automatically freed when its WInfo oject is destructed. +** automatically freed when its WInfo object is destructed. */ struct WhereMemBlock { WhereMemBlock *pNext; /* Next block in the chain */ @@ -152596,7 +154067,7 @@ struct WhereLevel { int iCur; /* The VDBE cursor used by this IN operator */ int addrInTop; /* Top of the IN loop */ int iBase; /* Base register of multi-key index record */ - int nPrefix; /* Number of prior entires in the key */ + int nPrefix; /* Number of prior entries in the key */ u8 eEndLoopOp; /* IN Loop terminator. OP_Next or OP_Prev */ } *aInLoop; /* Information about each nested IN operator */ } in; /* Used when pWLoop->wsFlags&WHERE_IN_ABLE */ @@ -152846,7 +154317,7 @@ struct WhereClause { int nTerm; /* Number of terms */ int nSlot; /* Number of entries in a[] */ int nBase; /* Number of terms through the last non-Virtual */ - WhereTerm *a; /* Each a[] describes a term of the WHERE cluase */ + WhereTerm *a; /* Each a[] describes a term of the WHERE clause */ #if defined(SQLITE_SMALL_STACK) WhereTerm aStatic[1]; /* Initial static space for a[] */ #else @@ -153434,6 +154905,12 @@ SQLITE_PRIVATE void sqlite3WhereAddScanStatus( if( wsFlags & WHERE_INDEXED ){ sqlite3VdbeScanStatusRange(v, addrExplain, -1, pLvl->iIdxCur); } + }else{ + int addr = pSrclist->a[pLvl->iFrom].addrFillSub; + VdbeOp *pOp = sqlite3VdbeGetOp(v, addr-1); + assert( sqlite3VdbeDb(v)->mallocFailed || pOp->opcode==OP_InitCoroutine ); + assert( sqlite3VdbeDb(v)->mallocFailed || pOp->p2>addr ); + sqlite3VdbeScanStatusRange(v, addrExplain, addr, pOp->p2-1); } } } @@ -153931,7 +155408,7 @@ static int codeAllEqualityTerms( /* Figure out how many memory cells we will need then allocate them. */ regBase = pParse->nMem + 1; - nReg = pLoop->u.btree.nEq + nExtraReg; + nReg = nEq + nExtraReg; pParse->nMem += nReg; zAff = sqlite3DbStrDup(pParse->db,sqlite3IndexAffinityStr(pParse->db,pIdx)); @@ -153978,9 +155455,6 @@ static int codeAllEqualityTerms( sqlite3VdbeAddOp2(v, OP_Copy, r1, regBase+j); } } - } - for(j=nSkip; jaLTerm[j]; if( pTerm->eOperator & WO_IN ){ if( pTerm->pExpr->flags & EP_xIsSelect ){ /* No affinity ever needs to be (or should be) applied to a value @@ -154123,7 +155597,7 @@ static int codeCursorHintIsOrFunction(Walker *pWalker, Expr *pExpr){ ** 2) transform the expression node to a TK_REGISTER node that reads ** from the newly populated register. ** -** Also, if the node is a TK_COLUMN that does access the table idenified +** Also, if the node is a TK_COLUMN that does access the table identified ** by pCCurHint.iTabCur, and an index is being used (which we will ** know because CCurHint.pIdx!=0) then transform the TK_COLUMN into ** an access of the index rather than the original table. @@ -154741,7 +156215,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( }; assert( TK_LE==TK_GT+1 ); /* Make sure the ordering.. */ assert( TK_LT==TK_GT+2 ); /* ... of the TK_xx values... */ - assert( TK_GE==TK_GT+3 ); /* ... is correcct. */ + assert( TK_GE==TK_GT+3 ); /* ... is correct. */ assert( (pStart->wtFlags & TERM_VNULL)==0 ); testcase( pStart->wtFlags & TERM_VIRTUAL ); @@ -155921,7 +157395,7 @@ SQLITE_PRIVATE SQLITE_NOINLINE void sqlite3WhereRightJoinLoop( ** the WHERE clause of SQL statements. ** ** This file was originally part of where.c but was split out to improve -** readability and editabiliity. This file contains utility routines for +** readability and editability. This file contains utility routines for ** analyzing Expr objects in the WHERE clause. */ /* #include "sqliteInt.h" */ @@ -156137,7 +157611,7 @@ static int isLikeOrGlob( ** range search. The third is because the caller assumes that the pattern ** consists of at least one character after all escapes have been ** removed. */ - if( cnt!=0 && 255!=(u8)z[cnt-1] && (cnt>1 || z[0]!=wc[3]) ){ + if( (cnt>1 || (cnt>0 && z[0]!=wc[3])) && 255!=(u8)z[cnt-1] ){ Expr *pPrefix; /* A "complete" match if the pattern ends with "*" or "%" */ @@ -156710,7 +158184,7 @@ static void exprAnalyzeOrTerm( pOrTerm->leftCursor))==0 ){ /* This term must be of the form t1.a==t2.b where t2 is in the ** chngToIN set but t1 is not. This term will be either preceded - ** or follwed by an inverted copy (t2.b==t1.a). Skip this term + ** or followed by an inverted copy (t2.b==t1.a). Skip this term ** and use its inversion. */ testcase( pOrTerm->wtFlags & TERM_COPIED ); testcase( pOrTerm->wtFlags & TERM_VIRTUAL ); @@ -156972,8 +158446,8 @@ static void exprAnalyze( WhereTerm *pTerm; /* The term to be analyzed */ WhereMaskSet *pMaskSet; /* Set of table index masks */ Expr *pExpr; /* The expression to be analyzed */ - Bitmask prereqLeft; /* Prerequesites of the pExpr->pLeft */ - Bitmask prereqAll; /* Prerequesites of pExpr */ + Bitmask prereqLeft; /* Prerequisites of the pExpr->pLeft */ + Bitmask prereqAll; /* Prerequisites of pExpr */ Bitmask extraRight = 0; /* Extra dependencies on LEFT JOIN */ Expr *pStr1 = 0; /* RHS of LIKE/GLOB operator */ int isComplete = 0; /* RHS of LIKE/GLOB ends with wildcard */ @@ -159534,7 +161008,7 @@ SQLITE_PRIVATE char sqlite3IndexColumnAffinity(sqlite3 *db, Index *pIdx, int iCo ** Value pLoop->nOut is currently set to the estimated number of rows ** visited for scanning (a=? AND b=?). This function reduces that estimate ** by some factor to account for the (c BETWEEN ? AND ?) expression based -** on the stat4 data for the index. this scan will be peformed multiple +** on the stat4 data for the index. this scan will be performed multiple ** times (once for each (a,b) combination that matches a=?) is dealt with ** by the caller. ** @@ -160289,7 +161763,7 @@ static WhereLoop **whereLoopFindLesser( ** rSetup. Call this SETUP-INVARIANT */ assert( p->rSetup>=pTemplate->rSetup ); - /* Any loop using an appliation-defined index (or PRIMARY KEY or + /* Any loop using an application-defined index (or PRIMARY KEY or ** UNIQUE constraint) with one or more == constraints is better ** than an automatic index. Unless it is a skip-scan. */ if( (p->wsFlags & WHERE_AUTO_INDEX)!=0 @@ -160316,7 +161790,7 @@ static WhereLoop **whereLoopFindLesser( /* If pTemplate is always better than p, then cause p to be overwritten ** with pTemplate. pTemplate is better than p if: - ** (1) pTemplate has no more dependences than p, and + ** (1) pTemplate has no more dependencies than p, and ** (2) pTemplate has an equal or lower cost than p. */ if( (p->prereq & pTemplate->prereq)==pTemplate->prereq /* (1) */ @@ -160434,7 +161908,7 @@ static int whereLoopInsert(WhereLoopBuilder *pBuilder, WhereLoop *pTemplate){ }else{ /* We will be overwriting WhereLoop p[]. But before we do, first ** go through the rest of the list and delete any other entries besides - ** p[] that are also supplated by pTemplate */ + ** p[] that are also supplanted by pTemplate */ WhereLoop **ppTail = &p->pNextLoop; WhereLoop *pToDel; while( *ppTail ){ @@ -160634,7 +162108,7 @@ static int whereRangeVectorLen( } /* -** Adjust the cost C by the costMult facter T. This only occurs if +** Adjust the cost C by the costMult factor T. This only occurs if ** compiled with -DSQLITE_ENABLE_COSTMULT */ #ifdef SQLITE_ENABLE_COSTMULT @@ -160661,7 +162135,7 @@ static int whereLoopAddBtreeIndex( Index *pProbe, /* An index on pSrc */ LogEst nInMul /* log(Number of iterations due to IN) */ ){ - WhereInfo *pWInfo = pBuilder->pWInfo; /* WHERE analyse context */ + WhereInfo *pWInfo = pBuilder->pWInfo; /* WHERE analyze context */ Parse *pParse = pWInfo->pParse; /* Parsing context */ sqlite3 *db = pParse->db; /* Database connection malloc context */ WhereLoop *pNew; /* Template WhereLoop under construction */ @@ -160971,7 +162445,7 @@ static int whereLoopAddBtreeIndex( assert( pSrc->pTab->szTabRow>0 ); if( pProbe->idxType==SQLITE_IDXTYPE_IPK ){ /* The pProbe->szIdxRow is low for an IPK table since the interior - ** pages are small. Thuse szIdxRow gives a good estimate of seek cost. + ** pages are small. Thus szIdxRow gives a good estimate of seek cost. ** But the leaf pages are full-size, so pProbe->szIdxRow would badly ** under-estimate the scanning cost. */ rCostIdx = pNew->nOut + 16; @@ -161316,7 +162790,7 @@ static SQLITE_NOINLINE u32 whereIsCoveringIndex( */ static int whereLoopAddBtree( WhereLoopBuilder *pBuilder, /* WHERE clause information */ - Bitmask mPrereq /* Extra prerequesites for using this table */ + Bitmask mPrereq /* Extra prerequisites for using this table */ ){ WhereInfo *pWInfo; /* WHERE analysis context */ Index *pProbe; /* An index we are evaluating */ @@ -161823,7 +163297,7 @@ static int whereLoopAddVirtualOne( ** ** Return a pointer to the collation name: ** -** 1. If there is an explicit COLLATE operator on the constaint, return it. +** 1. If there is an explicit COLLATE operator on the constraint, return it. ** ** 2. Else, if the column has an alternative collation, return that. ** @@ -162784,7 +164258,8 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ ** For joins of 3 or more tables, track the 10 best paths */ mxChoice = (nLoop<=1) ? 1 : (nLoop==2 ? 5 : 10); assert( nLoop<=pWInfo->pTabList->nSrc ); - WHERETRACE(0x002, ("---- begin solver. (nRowEst=%d)\n", nRowEst)); + WHERETRACE(0x002, ("---- begin solver. (nRowEst=%d, nQueryLoop=%d)\n", + nRowEst, pParse->nQueryLoop)); /* If nRowEst is zero and there is an ORDER BY clause, ignore it. In this ** case the purpose of this call is to estimate the number of rows returned @@ -162887,7 +164362,7 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ ); } /* TUNING: Add a small extra penalty (3) to sorting as an - ** extra encouragment to the query planner to select a plan + ** extra encouragement to the query planner to select a plan ** where the rows emerge in the correct order without any sorting ** required. */ rCost = sqlite3LogEstAdd(rUnsorted, aSortCost[isOrdered]) + 3; @@ -162903,9 +164378,10 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ /* TUNING: A full-scan of a VIEW or subquery in the outer loop ** is not so bad. */ - if( iLoop==0 && (pWLoop->wsFlags & WHERE_VIEWSCAN)!=0 ){ + if( iLoop==0 && (pWLoop->wsFlags & WHERE_VIEWSCAN)!=0 && nLoop>1 ){ rCost += -10; nOut += -30; + WHERETRACE(0x80,("VIEWSCAN cost reduction for %c\n",pWLoop->cId)); } /* Check to see if pWLoop should be added to the set of @@ -163537,6 +165013,28 @@ static SQLITE_NOINLINE void whereAddIndexedExpr( } } +/* +** Set the reverse-scan order mask to one for all tables in the query +** with the exception of MATERIALIZED common table expressions that have +** their own internal ORDER BY clauses. +** +** This implements the PRAGMA reverse_unordered_selects=ON setting. +** (Also SQLITE_DBCONFIG_REVERSE_SCANORDER). +*/ +static SQLITE_NOINLINE void whereReverseScanOrder(WhereInfo *pWInfo){ + int ii; + for(ii=0; iipTabList->nSrc; ii++){ + SrcItem *pItem = &pWInfo->pTabList->a[ii]; + if( !pItem->fg.isCte + || pItem->u2.pCteUse->eM10d!=M10d_Yes + || NEVER(pItem->pSelect==0) + || pItem->pSelect->pOrderBy==0 + ){ + pWInfo->revMask |= MASKBIT(ii); + } + } +} + /* ** Generate the beginning of the loop used for WHERE clause processing. ** The return value is a pointer to an opaque structure that contains @@ -163595,7 +165093,7 @@ static SQLITE_NOINLINE void whereAddIndexedExpr( ** ** OUTER JOINS ** -** An outer join of tables t1 and t2 is conceptally coded as follows: +** An outer join of tables t1 and t2 is conceptually coded as follows: ** ** foreach row1 in t1 do ** flag = 0 @@ -163750,7 +165248,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( ** ** The N-th term of the FROM clause is assigned a bitmask of 1<mallocFailed ) goto whereBeginError; } } + assert( pWInfo->pTabList!=0 ); if( pWInfo->pOrderBy==0 && (db->flags & SQLITE_ReverseOrder)!=0 ){ - pWInfo->revMask = ALLBITS; + whereReverseScanOrder(pWInfo); } if( pParse->nErr ){ goto whereBeginError; @@ -164002,6 +165501,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( 0!=(wctrlFlags & WHERE_ONEPASS_MULTIROW) && !IsVirtual(pTabList->a[0].pTab) && (0==(wsFlags & WHERE_MULTI_OR) || (wctrlFlags & WHERE_DUPLICATES_OK)) + && OptimizationEnabled(db, SQLITE_OnePass) )){ pWInfo->eOnePass = bOnerow ? ONEPASS_SINGLE : ONEPASS_MULTI; if( HasRowid(pTabList->a[0].pTab) && (wsFlags & WHERE_IDX_ONLY) ){ @@ -164731,7 +166231,7 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ ** ** These are the same built-in window functions supported by Postgres. ** Although the behaviour of aggregate window functions (functions that -** can be used as either aggregates or window funtions) allows them to +** can be used as either aggregates or window functions) allows them to ** be implemented using an API, built-in window functions are much more ** esoteric. Additionally, some window functions (e.g. nth_value()) ** may only be implemented by caching the entire partition in memory. @@ -165261,7 +166761,7 @@ static Window *windowFind(Parse *pParse, Window *pList, const char *zName){ ** is the Window object representing the associated OVER clause. This ** function updates the contents of pWin as follows: ** -** * If the OVER clause refered to a named window (as in "max(x) OVER win"), +** * If the OVER clause referred to a named window (as in "max(x) OVER win"), ** search list pList for a matching WINDOW definition, and update pWin ** accordingly. If no such WINDOW clause can be found, leave an error ** in pParse. @@ -165882,7 +167382,7 @@ SQLITE_PRIVATE Window *sqlite3WindowAssemble( } /* -** Window *pWin has just been created from a WINDOW clause. Tokne pBase +** Window *pWin has just been created from a WINDOW clause. Token pBase ** is the base window. Earlier windows from the same WINDOW clause are ** stored in the linked list starting at pWin->pNextWin. This function ** either updates *pWin according to the base specification, or else @@ -166188,7 +167688,7 @@ struct WindowCsrAndReg { ** ** (ORDER BY a, b GROUPS BETWEEN 2 PRECEDING AND 2 FOLLOWING) ** -** The windows functions implmentation caches the input rows in a temp +** The windows functions implementation caches the input rows in a temp ** table, sorted by "a, b" (it actually populates the cache lazily, and ** aggressively removes rows once they are no longer required, but that's ** a mere detail). It keeps three cursors open on the temp table. One @@ -167197,7 +168697,7 @@ static int windowExprGtZero(Parse *pParse, Expr *pExpr){ ** ** For the most part, the patterns above are adapted to support UNBOUNDED by ** assuming that it is equivalent to "infinity PRECEDING/FOLLOWING" and -** CURRENT ROW by assuming that it is equivilent to "0 PRECEDING/FOLLOWING". +** CURRENT ROW by assuming that it is equivalent to "0 PRECEDING/FOLLOWING". ** This is optimized of course - branches that will never be taken and ** conditions that are always true are omitted from the VM code. The only ** exceptional case is: @@ -167476,7 +168976,7 @@ SQLITE_PRIVATE void sqlite3WindowCodeStep( } /* Allocate registers for the array of values from the sub-query, the - ** samve values in record form, and the rowid used to insert said record + ** same values in record form, and the rowid used to insert said record ** into the ephemeral table. */ regNew = pParse->nMem+1; pParse->nMem += nInput; @@ -167717,7 +169217,8 @@ SQLITE_PRIVATE void sqlite3WindowCodeStep( /************** End of window.c **********************************************/ /************** Begin file parse.c *******************************************/ /* This file is automatically generated by Lemon from input grammar -** source file "parse.y". */ +** source file "parse.y". +*/ /* ** 2001-09-15 ** @@ -167734,7 +169235,7 @@ SQLITE_PRIVATE void sqlite3WindowCodeStep( ** The canonical source code to this file ("parse.y") is a Lemon grammar ** file that specifies the input grammar and actions to take while parsing. ** That input file is processed by Lemon to generate a C-language -** implementation of a parser for the given grammer. You might be reading +** implementation of a parser for the given grammar. You might be reading ** this comment as part of the translated C-code. Edits should be made ** to the original parse.y sources. */ @@ -168230,7 +169731,7 @@ typedef union { #define YYFALLBACK 1 #define YYNSTATE 575 #define YYNRULE 403 -#define YYNRULE_WITH_ACTION 340 +#define YYNRULE_WITH_ACTION 338 #define YYNTOKEN 185 #define YY_MAX_SHIFT 574 #define YY_MIN_SHIFTREDUCE 833 @@ -168312,106 +169813,106 @@ static const YYACTIONTYPE yy_action[] = { /* 10 */ 568, 1310, 377, 1289, 408, 562, 562, 562, 568, 409, /* 20 */ 378, 1310, 1272, 41, 41, 41, 41, 208, 1520, 71, /* 30 */ 71, 969, 419, 41, 41, 491, 303, 279, 303, 970, - /* 40 */ 397, 71, 71, 125, 126, 80, 1212, 1212, 1047, 1050, + /* 40 */ 397, 71, 71, 125, 126, 80, 1210, 1210, 1047, 1050, /* 50 */ 1037, 1037, 123, 123, 124, 124, 124, 124, 476, 409, /* 60 */ 1237, 1, 1, 574, 2, 1241, 550, 118, 115, 229, /* 70 */ 317, 480, 146, 480, 524, 118, 115, 229, 529, 1323, - /* 80 */ 417, 523, 142, 125, 126, 80, 1212, 1212, 1047, 1050, + /* 80 */ 417, 523, 142, 125, 126, 80, 1210, 1210, 1047, 1050, /* 90 */ 1037, 1037, 123, 123, 124, 124, 124, 124, 118, 115, /* 100 */ 229, 327, 122, 122, 122, 122, 121, 121, 120, 120, /* 110 */ 120, 119, 116, 444, 284, 284, 284, 284, 442, 442, - /* 120 */ 442, 1561, 376, 1563, 1188, 375, 1159, 565, 1159, 565, - /* 130 */ 409, 1561, 537, 259, 226, 444, 101, 145, 449, 316, + /* 120 */ 442, 1559, 376, 1561, 1186, 375, 1157, 565, 1157, 565, + /* 130 */ 409, 1559, 537, 259, 226, 444, 101, 145, 449, 316, /* 140 */ 559, 240, 122, 122, 122, 122, 121, 121, 120, 120, - /* 150 */ 120, 119, 116, 444, 125, 126, 80, 1212, 1212, 1047, + /* 150 */ 120, 119, 116, 444, 125, 126, 80, 1210, 1210, 1047, /* 160 */ 1050, 1037, 1037, 123, 123, 124, 124, 124, 124, 142, - /* 170 */ 294, 1188, 339, 448, 120, 120, 120, 119, 116, 444, - /* 180 */ 127, 1188, 1189, 1188, 148, 441, 440, 568, 119, 116, + /* 170 */ 294, 1186, 339, 448, 120, 120, 120, 119, 116, 444, + /* 180 */ 127, 1186, 1187, 1186, 148, 441, 440, 568, 119, 116, /* 190 */ 444, 124, 124, 124, 124, 117, 122, 122, 122, 122, /* 200 */ 121, 121, 120, 120, 120, 119, 116, 444, 454, 113, /* 210 */ 13, 13, 546, 122, 122, 122, 122, 121, 121, 120, - /* 220 */ 120, 120, 119, 116, 444, 422, 316, 559, 1188, 1189, - /* 230 */ 1188, 149, 1220, 409, 1220, 124, 124, 124, 124, 122, + /* 220 */ 120, 120, 119, 116, 444, 422, 316, 559, 1186, 1187, + /* 230 */ 1186, 149, 1218, 409, 1218, 124, 124, 124, 124, 122, /* 240 */ 122, 122, 122, 121, 121, 120, 120, 120, 119, 116, /* 250 */ 444, 465, 342, 1034, 1034, 1048, 1051, 125, 126, 80, - /* 260 */ 1212, 1212, 1047, 1050, 1037, 1037, 123, 123, 124, 124, - /* 270 */ 124, 124, 1275, 522, 222, 1188, 568, 409, 224, 514, + /* 260 */ 1210, 1210, 1047, 1050, 1037, 1037, 123, 123, 124, 124, + /* 270 */ 124, 124, 1275, 522, 222, 1186, 568, 409, 224, 514, /* 280 */ 175, 82, 83, 122, 122, 122, 122, 121, 121, 120, - /* 290 */ 120, 120, 119, 116, 444, 1005, 16, 16, 1188, 133, - /* 300 */ 133, 125, 126, 80, 1212, 1212, 1047, 1050, 1037, 1037, + /* 290 */ 120, 120, 119, 116, 444, 1005, 16, 16, 1186, 133, + /* 300 */ 133, 125, 126, 80, 1210, 1210, 1047, 1050, 1037, 1037, /* 310 */ 123, 123, 124, 124, 124, 124, 122, 122, 122, 122, /* 320 */ 121, 121, 120, 120, 120, 119, 116, 444, 1038, 546, - /* 330 */ 1188, 373, 1188, 1189, 1188, 252, 1429, 399, 504, 501, + /* 330 */ 1186, 373, 1186, 1187, 1186, 252, 1429, 399, 504, 501, /* 340 */ 500, 111, 560, 566, 4, 924, 924, 433, 499, 340, - /* 350 */ 460, 328, 360, 394, 1233, 1188, 1189, 1188, 563, 568, + /* 350 */ 460, 328, 360, 394, 1231, 1186, 1187, 1186, 563, 568, /* 360 */ 122, 122, 122, 122, 121, 121, 120, 120, 120, 119, - /* 370 */ 116, 444, 284, 284, 369, 1574, 1600, 441, 440, 154, - /* 380 */ 409, 445, 71, 71, 1282, 565, 1217, 1188, 1189, 1188, - /* 390 */ 85, 1219, 271, 557, 543, 515, 1555, 568, 98, 1218, - /* 400 */ 6, 1274, 472, 142, 125, 126, 80, 1212, 1212, 1047, + /* 370 */ 116, 444, 284, 284, 369, 1572, 1598, 441, 440, 154, + /* 380 */ 409, 445, 71, 71, 1282, 565, 1215, 1186, 1187, 1186, + /* 390 */ 85, 1217, 271, 557, 543, 515, 515, 568, 98, 1216, + /* 400 */ 6, 1274, 472, 142, 125, 126, 80, 1210, 1210, 1047, /* 410 */ 1050, 1037, 1037, 123, 123, 124, 124, 124, 124, 550, - /* 420 */ 13, 13, 1024, 507, 1220, 1188, 1220, 549, 109, 109, - /* 430 */ 222, 568, 1234, 175, 568, 427, 110, 197, 445, 569, - /* 440 */ 445, 430, 1546, 1014, 325, 551, 1188, 270, 287, 368, + /* 420 */ 13, 13, 1024, 507, 1218, 1186, 1218, 549, 109, 109, + /* 430 */ 222, 568, 1232, 175, 568, 427, 110, 197, 445, 569, + /* 440 */ 445, 430, 1546, 1014, 325, 551, 1186, 270, 287, 368, /* 450 */ 510, 363, 509, 257, 71, 71, 543, 71, 71, 359, - /* 460 */ 316, 559, 1606, 122, 122, 122, 122, 121, 121, 120, + /* 460 */ 316, 559, 1604, 122, 122, 122, 122, 121, 121, 120, /* 470 */ 120, 120, 119, 116, 444, 1014, 1014, 1016, 1017, 27, - /* 480 */ 284, 284, 1188, 1189, 1188, 1154, 568, 1605, 409, 899, - /* 490 */ 190, 550, 356, 565, 550, 935, 533, 517, 1154, 516, - /* 500 */ 413, 1154, 552, 1188, 1189, 1188, 568, 544, 1548, 51, - /* 510 */ 51, 214, 125, 126, 80, 1212, 1212, 1047, 1050, 1037, - /* 520 */ 1037, 123, 123, 124, 124, 124, 124, 1188, 474, 135, + /* 480 */ 284, 284, 1186, 1187, 1186, 1152, 568, 1603, 409, 899, + /* 490 */ 190, 550, 356, 565, 550, 935, 533, 517, 1152, 516, + /* 500 */ 413, 1152, 552, 1186, 1187, 1186, 568, 544, 544, 51, + /* 510 */ 51, 214, 125, 126, 80, 1210, 1210, 1047, 1050, 1037, + /* 520 */ 1037, 123, 123, 124, 124, 124, 124, 1186, 474, 135, /* 530 */ 135, 409, 284, 284, 1484, 505, 121, 121, 120, 120, - /* 540 */ 120, 119, 116, 444, 1005, 565, 518, 217, 541, 1555, - /* 550 */ 316, 559, 142, 6, 532, 125, 126, 80, 1212, 1212, + /* 540 */ 120, 119, 116, 444, 1005, 565, 518, 217, 541, 541, + /* 550 */ 316, 559, 142, 6, 532, 125, 126, 80, 1210, 1210, /* 560 */ 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, 124, - /* 570 */ 1549, 122, 122, 122, 122, 121, 121, 120, 120, 120, - /* 580 */ 119, 116, 444, 485, 1188, 1189, 1188, 482, 281, 1263, - /* 590 */ 955, 252, 1188, 373, 504, 501, 500, 1188, 340, 570, - /* 600 */ 1188, 570, 409, 292, 499, 955, 874, 191, 480, 316, + /* 570 */ 1548, 122, 122, 122, 122, 121, 121, 120, 120, 120, + /* 580 */ 119, 116, 444, 485, 1186, 1187, 1186, 482, 281, 1263, + /* 590 */ 955, 252, 1186, 373, 504, 501, 500, 1186, 340, 570, + /* 600 */ 1186, 570, 409, 292, 499, 955, 874, 191, 480, 316, /* 610 */ 559, 384, 290, 380, 122, 122, 122, 122, 121, 121, - /* 620 */ 120, 120, 120, 119, 116, 444, 125, 126, 80, 1212, - /* 630 */ 1212, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, - /* 640 */ 124, 409, 394, 1132, 1188, 867, 100, 284, 284, 1188, - /* 650 */ 1189, 1188, 373, 1089, 1188, 1189, 1188, 1188, 1189, 1188, - /* 660 */ 565, 455, 32, 373, 233, 125, 126, 80, 1212, 1212, + /* 620 */ 120, 120, 120, 119, 116, 444, 125, 126, 80, 1210, + /* 630 */ 1210, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, + /* 640 */ 124, 409, 394, 1132, 1186, 867, 100, 284, 284, 1186, + /* 650 */ 1187, 1186, 373, 1089, 1186, 1187, 1186, 1186, 1187, 1186, + /* 660 */ 565, 455, 32, 373, 233, 125, 126, 80, 1210, 1210, /* 670 */ 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, 124, /* 680 */ 1428, 957, 568, 228, 956, 122, 122, 122, 122, 121, - /* 690 */ 121, 120, 120, 120, 119, 116, 444, 1154, 228, 1188, - /* 700 */ 157, 1188, 1189, 1188, 1547, 13, 13, 301, 955, 1228, - /* 710 */ 1154, 153, 409, 1154, 373, 1577, 1172, 5, 369, 1574, - /* 720 */ 429, 1234, 3, 955, 122, 122, 122, 122, 121, 121, - /* 730 */ 120, 120, 120, 119, 116, 444, 125, 126, 80, 1212, - /* 740 */ 1212, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, - /* 750 */ 124, 409, 208, 567, 1188, 1025, 1188, 1189, 1188, 1188, + /* 690 */ 121, 120, 120, 120, 119, 116, 444, 1152, 228, 1186, + /* 700 */ 157, 1186, 1187, 1186, 1547, 13, 13, 301, 955, 1226, + /* 710 */ 1152, 153, 409, 1152, 373, 1575, 1170, 5, 369, 1572, + /* 720 */ 429, 1232, 3, 955, 122, 122, 122, 122, 121, 121, + /* 730 */ 120, 120, 120, 119, 116, 444, 125, 126, 80, 1210, + /* 740 */ 1210, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, + /* 750 */ 124, 409, 208, 567, 1186, 1025, 1186, 1187, 1186, 1186, /* 760 */ 388, 850, 155, 1546, 286, 402, 1094, 1094, 488, 568, - /* 770 */ 465, 342, 1315, 1315, 1546, 125, 126, 80, 1212, 1212, + /* 770 */ 465, 342, 1315, 1315, 1546, 125, 126, 80, 1210, 1210, /* 780 */ 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, 124, /* 790 */ 129, 568, 13, 13, 374, 122, 122, 122, 122, 121, /* 800 */ 121, 120, 120, 120, 119, 116, 444, 302, 568, 453, - /* 810 */ 528, 1188, 1189, 1188, 13, 13, 1188, 1189, 1188, 1293, + /* 810 */ 528, 1186, 1187, 1186, 13, 13, 1186, 1187, 1186, 1293, /* 820 */ 463, 1263, 409, 1313, 1313, 1546, 1010, 453, 452, 200, /* 830 */ 299, 71, 71, 1261, 122, 122, 122, 122, 121, 121, - /* 840 */ 120, 120, 120, 119, 116, 444, 125, 126, 80, 1212, - /* 850 */ 1212, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, - /* 860 */ 124, 409, 227, 1069, 1154, 284, 284, 419, 312, 278, - /* 870 */ 278, 285, 285, 1415, 406, 405, 382, 1154, 565, 568, - /* 880 */ 1154, 1191, 565, 1594, 565, 125, 126, 80, 1212, 1212, + /* 840 */ 120, 120, 120, 119, 116, 444, 125, 126, 80, 1210, + /* 850 */ 1210, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, + /* 860 */ 124, 409, 227, 1069, 1152, 284, 284, 419, 312, 278, + /* 870 */ 278, 285, 285, 1415, 406, 405, 382, 1152, 565, 568, + /* 880 */ 1152, 1189, 565, 1592, 565, 125, 126, 80, 1210, 1210, /* 890 */ 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, 124, /* 900 */ 453, 1476, 13, 13, 1530, 122, 122, 122, 122, 121, /* 910 */ 121, 120, 120, 120, 119, 116, 444, 201, 568, 354, - /* 920 */ 1580, 574, 2, 1241, 838, 839, 840, 1556, 317, 1207, - /* 930 */ 146, 6, 409, 255, 254, 253, 206, 1323, 9, 1191, + /* 920 */ 1578, 574, 2, 1241, 838, 839, 840, 1554, 317, 1205, + /* 930 */ 146, 6, 409, 255, 254, 253, 206, 1323, 9, 1189, /* 940 */ 262, 71, 71, 424, 122, 122, 122, 122, 121, 121, - /* 950 */ 120, 120, 120, 119, 116, 444, 125, 126, 80, 1212, - /* 960 */ 1212, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, - /* 970 */ 124, 568, 284, 284, 568, 1208, 409, 573, 313, 1241, - /* 980 */ 349, 1292, 352, 419, 317, 565, 146, 491, 525, 1637, + /* 950 */ 120, 120, 120, 119, 116, 444, 125, 126, 80, 1210, + /* 960 */ 1210, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, + /* 970 */ 124, 568, 284, 284, 568, 1206, 409, 573, 313, 1241, + /* 980 */ 349, 1292, 352, 419, 317, 565, 146, 491, 525, 1635, /* 990 */ 395, 371, 491, 1323, 70, 70, 1291, 71, 71, 240, - /* 1000 */ 1321, 104, 80, 1212, 1212, 1047, 1050, 1037, 1037, 123, + /* 1000 */ 1321, 104, 80, 1210, 1210, 1047, 1050, 1037, 1037, 123, /* 1010 */ 123, 124, 124, 124, 124, 122, 122, 122, 122, 121, /* 1020 */ 121, 120, 120, 120, 119, 116, 444, 1110, 284, 284, - /* 1030 */ 428, 448, 1519, 1208, 439, 284, 284, 1483, 1348, 311, + /* 1030 */ 428, 448, 1519, 1206, 439, 284, 284, 1483, 1348, 311, /* 1040 */ 474, 565, 1111, 969, 491, 491, 217, 1259, 565, 1532, /* 1050 */ 568, 970, 207, 568, 1024, 240, 383, 1112, 519, 122, /* 1060 */ 122, 122, 122, 121, 121, 120, 120, 120, 119, 116, @@ -168419,29 +169920,29 @@ static const YYACTIONTYPE yy_action[] = { /* 1080 */ 1489, 568, 284, 284, 97, 526, 491, 448, 911, 1322, /* 1090 */ 1318, 545, 409, 284, 284, 565, 151, 209, 1489, 1491, /* 1100 */ 262, 450, 55, 55, 56, 56, 565, 1014, 1014, 1016, - /* 1110 */ 443, 332, 409, 527, 12, 295, 125, 126, 80, 1212, - /* 1120 */ 1212, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, - /* 1130 */ 124, 347, 409, 862, 1528, 1208, 125, 126, 80, 1212, - /* 1140 */ 1212, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, - /* 1150 */ 124, 1133, 1635, 474, 1635, 371, 125, 114, 80, 1212, - /* 1160 */ 1212, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, + /* 1110 */ 443, 332, 409, 527, 12, 295, 125, 126, 80, 1210, + /* 1120 */ 1210, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, + /* 1130 */ 124, 347, 409, 862, 1528, 1206, 125, 126, 80, 1210, + /* 1140 */ 1210, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, + /* 1150 */ 124, 1133, 1633, 474, 1633, 371, 125, 114, 80, 1210, + /* 1160 */ 1210, 1047, 1050, 1037, 1037, 123, 123, 124, 124, 124, /* 1170 */ 124, 1489, 329, 474, 331, 122, 122, 122, 122, 121, /* 1180 */ 121, 120, 120, 120, 119, 116, 444, 203, 1415, 568, - /* 1190 */ 1290, 862, 464, 1208, 436, 122, 122, 122, 122, 121, - /* 1200 */ 121, 120, 120, 120, 119, 116, 444, 553, 1133, 1636, - /* 1210 */ 539, 1636, 15, 15, 890, 122, 122, 122, 122, 121, + /* 1190 */ 1290, 862, 464, 1206, 436, 122, 122, 122, 122, 121, + /* 1200 */ 121, 120, 120, 120, 119, 116, 444, 553, 1133, 1634, + /* 1210 */ 539, 1634, 15, 15, 890, 122, 122, 122, 122, 121, /* 1220 */ 121, 120, 120, 120, 119, 116, 444, 568, 298, 538, - /* 1230 */ 1131, 1415, 1553, 1554, 1327, 409, 6, 6, 1165, 1264, + /* 1230 */ 1131, 1415, 1552, 1553, 1327, 409, 6, 6, 1163, 1264, /* 1240 */ 415, 320, 284, 284, 1415, 508, 565, 525, 300, 457, /* 1250 */ 43, 43, 568, 891, 12, 565, 330, 478, 425, 407, - /* 1260 */ 126, 80, 1212, 1212, 1047, 1050, 1037, 1037, 123, 123, - /* 1270 */ 124, 124, 124, 124, 568, 57, 57, 288, 1188, 1415, - /* 1280 */ 496, 458, 392, 392, 391, 273, 389, 1131, 1552, 847, - /* 1290 */ 1165, 407, 6, 568, 321, 1154, 470, 44, 44, 1551, - /* 1300 */ 1110, 426, 234, 6, 323, 256, 540, 256, 1154, 431, - /* 1310 */ 568, 1154, 322, 17, 487, 1111, 58, 58, 122, 122, + /* 1260 */ 126, 80, 1210, 1210, 1047, 1050, 1037, 1037, 123, 123, + /* 1270 */ 124, 124, 124, 124, 568, 57, 57, 288, 1186, 1415, + /* 1280 */ 496, 458, 392, 392, 391, 273, 389, 1131, 1551, 847, + /* 1290 */ 1163, 407, 6, 568, 321, 1152, 470, 44, 44, 1550, + /* 1300 */ 1110, 426, 234, 6, 323, 256, 540, 256, 1152, 431, + /* 1310 */ 568, 1152, 322, 17, 487, 1111, 58, 58, 122, 122, /* 1320 */ 122, 122, 121, 121, 120, 120, 120, 119, 116, 444, - /* 1330 */ 1112, 216, 481, 59, 59, 1188, 1189, 1188, 111, 560, + /* 1330 */ 1112, 216, 481, 59, 59, 1186, 1187, 1186, 111, 560, /* 1340 */ 324, 4, 236, 456, 526, 568, 237, 456, 568, 437, /* 1350 */ 168, 556, 420, 141, 479, 563, 568, 293, 568, 1091, /* 1360 */ 568, 293, 568, 1091, 531, 568, 870, 8, 60, 60, @@ -168455,7 +169956,7 @@ static const YYACTIONTYPE yy_action[] = { /* 1440 */ 1014, 132, 132, 67, 67, 568, 467, 568, 930, 471, /* 1450 */ 1360, 283, 226, 929, 315, 1359, 407, 568, 459, 407, /* 1460 */ 1014, 1014, 1016, 239, 407, 86, 213, 1346, 52, 52, - /* 1470 */ 68, 68, 1014, 1014, 1016, 1017, 27, 1579, 1176, 447, + /* 1470 */ 68, 68, 1014, 1014, 1016, 1017, 27, 1577, 1174, 447, /* 1480 */ 69, 69, 288, 97, 108, 1535, 106, 392, 392, 391, /* 1490 */ 273, 389, 568, 877, 847, 881, 568, 111, 560, 466, /* 1500 */ 4, 568, 152, 30, 38, 568, 1128, 234, 396, 323, @@ -168464,7 +169965,7 @@ static const YYACTIONTYPE yy_action[] = { /* 1530 */ 568, 289, 1508, 568, 31, 1507, 568, 445, 338, 483, /* 1540 */ 100, 54, 54, 344, 72, 72, 296, 236, 1076, 557, /* 1550 */ 445, 877, 1356, 134, 134, 168, 73, 73, 141, 161, - /* 1560 */ 161, 1568, 557, 535, 568, 319, 568, 348, 536, 1007, + /* 1560 */ 161, 1566, 557, 535, 568, 319, 568, 348, 536, 1007, /* 1570 */ 473, 261, 261, 889, 888, 235, 535, 568, 1024, 568, /* 1580 */ 475, 534, 261, 367, 109, 109, 521, 136, 136, 130, /* 1590 */ 130, 1024, 110, 366, 445, 569, 445, 109, 109, 1014, @@ -168472,7 +169973,7 @@ static const YYACTIONTYPE yy_action[] = { /* 1610 */ 410, 351, 1014, 568, 353, 316, 559, 568, 343, 568, /* 1620 */ 100, 497, 357, 258, 100, 896, 897, 140, 140, 355, /* 1630 */ 1306, 1014, 1014, 1016, 1017, 27, 139, 139, 362, 451, - /* 1640 */ 137, 137, 138, 138, 1014, 1014, 1016, 1017, 27, 1176, + /* 1640 */ 137, 137, 138, 138, 1014, 1014, 1016, 1017, 27, 1174, /* 1650 */ 447, 568, 372, 288, 111, 560, 1018, 4, 392, 392, /* 1660 */ 391, 273, 389, 568, 1137, 847, 568, 1072, 568, 258, /* 1670 */ 492, 563, 568, 211, 75, 75, 555, 960, 234, 261, @@ -168480,44 +169981,44 @@ static const YYACTIONTYPE yy_action[] = { /* 1690 */ 74, 42, 42, 1369, 445, 48, 48, 1414, 563, 972, /* 1700 */ 973, 1088, 1087, 1088, 1087, 860, 557, 150, 928, 1342, /* 1710 */ 113, 1354, 554, 1419, 1018, 1271, 1262, 1250, 236, 1249, - /* 1720 */ 1251, 445, 1587, 1339, 308, 276, 168, 309, 11, 141, + /* 1720 */ 1251, 445, 1585, 1339, 308, 276, 168, 309, 11, 141, /* 1730 */ 393, 310, 232, 557, 1401, 1024, 335, 291, 1396, 219, /* 1740 */ 336, 109, 109, 934, 297, 1406, 235, 341, 477, 110, /* 1750 */ 502, 445, 569, 445, 1389, 1405, 1014, 400, 1289, 365, /* 1760 */ 223, 1480, 1024, 1479, 1351, 1352, 1350, 1349, 109, 109, - /* 1770 */ 204, 1590, 1228, 558, 265, 218, 110, 205, 445, 569, + /* 1770 */ 204, 1588, 1226, 558, 265, 218, 110, 205, 445, 569, /* 1780 */ 445, 410, 387, 1014, 1527, 179, 316, 559, 1014, 1014, - /* 1790 */ 1016, 1017, 27, 230, 1525, 1225, 79, 560, 85, 4, + /* 1790 */ 1016, 1017, 27, 230, 1525, 1223, 79, 560, 85, 4, /* 1800 */ 418, 215, 548, 81, 84, 188, 1402, 173, 181, 461, /* 1810 */ 451, 35, 462, 563, 183, 1014, 1014, 1016, 1017, 27, /* 1820 */ 184, 1485, 185, 186, 495, 242, 98, 398, 1408, 36, /* 1830 */ 1407, 484, 91, 469, 401, 1410, 445, 192, 1474, 246, /* 1840 */ 1496, 490, 346, 277, 248, 196, 493, 511, 557, 350, /* 1850 */ 1252, 249, 250, 403, 1309, 1308, 111, 560, 432, 4, - /* 1860 */ 1307, 1300, 93, 1604, 881, 1603, 224, 404, 434, 520, - /* 1870 */ 263, 435, 1573, 563, 1279, 1278, 364, 1024, 306, 1277, - /* 1880 */ 264, 1602, 1559, 109, 109, 370, 1299, 307, 1558, 438, + /* 1860 */ 1307, 1300, 93, 1602, 881, 1601, 224, 404, 434, 520, + /* 1870 */ 263, 435, 1571, 563, 1279, 1278, 364, 1024, 306, 1277, + /* 1880 */ 264, 1600, 1557, 109, 109, 370, 1299, 307, 1556, 438, /* 1890 */ 128, 110, 1374, 445, 569, 445, 445, 546, 1014, 10, /* 1900 */ 1461, 105, 381, 1373, 34, 571, 99, 1332, 557, 314, - /* 1910 */ 1182, 530, 272, 274, 379, 210, 1331, 547, 385, 386, + /* 1910 */ 1180, 530, 272, 274, 379, 210, 1331, 547, 385, 386, /* 1920 */ 275, 572, 1247, 1242, 411, 412, 1512, 165, 178, 1513, /* 1930 */ 1014, 1014, 1016, 1017, 27, 1511, 1510, 1024, 78, 147, /* 1940 */ 166, 220, 221, 109, 109, 834, 304, 167, 446, 212, /* 1950 */ 318, 110, 231, 445, 569, 445, 144, 1086, 1014, 1084, - /* 1960 */ 326, 180, 169, 1207, 182, 334, 238, 913, 241, 1100, + /* 1960 */ 326, 180, 169, 1205, 182, 334, 238, 913, 241, 1100, /* 1970 */ 187, 170, 171, 421, 87, 88, 423, 189, 89, 90, /* 1980 */ 172, 1103, 243, 1099, 244, 158, 18, 245, 345, 247, - /* 1990 */ 1014, 1014, 1016, 1017, 27, 261, 1092, 193, 1222, 489, + /* 1990 */ 1014, 1014, 1016, 1017, 27, 261, 1092, 193, 1220, 489, /* 2000 */ 194, 37, 366, 849, 494, 251, 195, 506, 92, 19, /* 2010 */ 498, 358, 20, 503, 879, 361, 94, 892, 305, 159, - /* 2020 */ 513, 39, 95, 1170, 160, 1053, 964, 1139, 96, 174, - /* 2030 */ 1138, 225, 280, 282, 198, 958, 113, 1160, 1156, 260, - /* 2040 */ 21, 22, 23, 1158, 1164, 1163, 1144, 24, 33, 25, + /* 2020 */ 513, 39, 95, 1168, 160, 1053, 964, 1139, 96, 174, + /* 2030 */ 1138, 225, 280, 282, 198, 958, 113, 1158, 1154, 260, + /* 2040 */ 21, 22, 23, 1156, 1162, 1161, 1143, 24, 33, 25, /* 2050 */ 202, 542, 26, 100, 1067, 102, 1054, 103, 7, 1052, /* 2060 */ 1056, 1109, 1057, 1108, 266, 267, 28, 40, 390, 1019, - /* 2070 */ 861, 112, 29, 564, 1178, 1177, 268, 176, 143, 923, + /* 2070 */ 861, 112, 29, 564, 1176, 1175, 268, 176, 143, 923, /* 2080 */ 1238, 1238, 1238, 1238, 1238, 1238, 1238, 1238, 1238, 1238, - /* 2090 */ 1238, 1238, 1238, 1238, 269, 1595, + /* 2090 */ 1238, 1238, 1238, 1238, 269, 1593, }; static const YYCODETYPE yy_lookahead[] = { /* 0 */ 193, 193, 193, 274, 275, 276, 193, 274, 275, 276, @@ -168860,14 +170361,14 @@ static const short yy_reduce_ofst[] = { /* 400 */ 1722, 1723, 1733, 1717, 1724, 1727, 1728, 1725, 1740, }; static const YYACTIONTYPE yy_default[] = { - /* 0 */ 1641, 1641, 1641, 1469, 1236, 1347, 1236, 1236, 1236, 1469, + /* 0 */ 1639, 1639, 1639, 1469, 1236, 1347, 1236, 1236, 1236, 1469, /* 10 */ 1469, 1469, 1236, 1377, 1377, 1522, 1269, 1236, 1236, 1236, /* 20 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1468, 1236, 1236, - /* 30 */ 1236, 1236, 1557, 1557, 1236, 1236, 1236, 1236, 1236, 1236, + /* 30 */ 1236, 1236, 1555, 1555, 1236, 1236, 1236, 1236, 1236, 1236, /* 40 */ 1236, 1236, 1386, 1236, 1393, 1236, 1236, 1236, 1236, 1236, /* 50 */ 1470, 1471, 1236, 1236, 1236, 1521, 1523, 1486, 1400, 1399, /* 60 */ 1398, 1397, 1504, 1365, 1391, 1384, 1388, 1465, 1466, 1464, - /* 70 */ 1619, 1471, 1470, 1236, 1387, 1433, 1449, 1432, 1236, 1236, + /* 70 */ 1617, 1471, 1470, 1236, 1387, 1433, 1449, 1432, 1236, 1236, /* 80 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, /* 90 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, /* 100 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, @@ -168876,47 +170377,47 @@ static const YYACTIONTYPE yy_default[] = { /* 130 */ 1441, 1448, 1447, 1446, 1455, 1445, 1442, 1435, 1434, 1436, /* 140 */ 1437, 1236, 1236, 1260, 1236, 1236, 1257, 1311, 1236, 1236, /* 150 */ 1236, 1236, 1236, 1541, 1540, 1236, 1438, 1236, 1269, 1427, - /* 160 */ 1426, 1452, 1439, 1451, 1450, 1529, 1593, 1592, 1487, 1236, - /* 170 */ 1236, 1236, 1236, 1236, 1236, 1557, 1236, 1236, 1236, 1236, + /* 160 */ 1426, 1452, 1439, 1451, 1450, 1529, 1591, 1590, 1487, 1236, + /* 170 */ 1236, 1236, 1236, 1236, 1236, 1555, 1236, 1236, 1236, 1236, /* 180 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, /* 190 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1367, - /* 200 */ 1557, 1557, 1236, 1269, 1557, 1557, 1368, 1368, 1265, 1265, + /* 200 */ 1555, 1555, 1236, 1269, 1555, 1555, 1368, 1368, 1265, 1265, /* 210 */ 1371, 1236, 1536, 1338, 1338, 1338, 1338, 1347, 1338, 1236, /* 220 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, /* 230 */ 1236, 1236, 1236, 1236, 1526, 1524, 1236, 1236, 1236, 1236, /* 240 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, /* 250 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, /* 260 */ 1236, 1236, 1236, 1343, 1236, 1236, 1236, 1236, 1236, 1236, - /* 270 */ 1236, 1236, 1236, 1236, 1236, 1586, 1236, 1499, 1325, 1343, - /* 280 */ 1343, 1343, 1343, 1345, 1326, 1324, 1337, 1270, 1243, 1633, - /* 290 */ 1403, 1392, 1344, 1392, 1630, 1390, 1403, 1403, 1390, 1403, - /* 300 */ 1344, 1630, 1286, 1608, 1281, 1377, 1377, 1377, 1367, 1367, - /* 310 */ 1367, 1367, 1371, 1371, 1467, 1344, 1337, 1236, 1633, 1633, - /* 320 */ 1353, 1353, 1632, 1632, 1353, 1487, 1616, 1412, 1314, 1320, - /* 330 */ 1320, 1320, 1320, 1353, 1254, 1390, 1616, 1616, 1390, 1412, - /* 340 */ 1314, 1390, 1314, 1390, 1353, 1254, 1503, 1627, 1353, 1254, + /* 270 */ 1236, 1236, 1236, 1236, 1236, 1584, 1236, 1499, 1325, 1343, + /* 280 */ 1343, 1343, 1343, 1345, 1326, 1324, 1337, 1270, 1243, 1631, + /* 290 */ 1403, 1392, 1344, 1392, 1628, 1390, 1403, 1403, 1390, 1403, + /* 300 */ 1344, 1628, 1286, 1606, 1281, 1377, 1377, 1377, 1367, 1367, + /* 310 */ 1367, 1367, 1371, 1371, 1467, 1344, 1337, 1236, 1631, 1631, + /* 320 */ 1353, 1353, 1630, 1630, 1353, 1487, 1614, 1412, 1314, 1320, + /* 330 */ 1320, 1320, 1320, 1353, 1254, 1390, 1614, 1614, 1390, 1412, + /* 340 */ 1314, 1390, 1314, 1390, 1353, 1254, 1503, 1625, 1353, 1254, /* 350 */ 1477, 1353, 1254, 1353, 1254, 1477, 1312, 1312, 1312, 1301, - /* 360 */ 1236, 1236, 1477, 1312, 1286, 1312, 1301, 1312, 1312, 1575, - /* 370 */ 1236, 1481, 1481, 1477, 1353, 1567, 1567, 1380, 1380, 1385, - /* 380 */ 1371, 1472, 1353, 1236, 1385, 1383, 1381, 1390, 1304, 1589, - /* 390 */ 1589, 1585, 1585, 1585, 1638, 1638, 1536, 1601, 1269, 1269, - /* 400 */ 1269, 1269, 1601, 1288, 1288, 1270, 1270, 1269, 1601, 1236, - /* 410 */ 1236, 1236, 1236, 1236, 1236, 1596, 1236, 1531, 1488, 1357, + /* 360 */ 1236, 1236, 1477, 1312, 1286, 1312, 1301, 1312, 1312, 1573, + /* 370 */ 1236, 1481, 1481, 1477, 1353, 1565, 1565, 1380, 1380, 1385, + /* 380 */ 1371, 1472, 1353, 1236, 1385, 1383, 1381, 1390, 1304, 1587, + /* 390 */ 1587, 1583, 1583, 1583, 1636, 1636, 1536, 1599, 1269, 1269, + /* 400 */ 1269, 1269, 1599, 1288, 1288, 1270, 1270, 1269, 1599, 1236, + /* 410 */ 1236, 1236, 1236, 1236, 1236, 1594, 1236, 1531, 1488, 1357, /* 420 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, /* 430 */ 1236, 1236, 1236, 1236, 1542, 1236, 1236, 1236, 1236, 1236, /* 440 */ 1236, 1236, 1236, 1236, 1236, 1417, 1236, 1239, 1533, 1236, /* 450 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1394, 1395, 1358, /* 460 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1409, 1236, 1236, /* 470 */ 1236, 1404, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, - /* 480 */ 1629, 1236, 1236, 1236, 1236, 1236, 1236, 1502, 1501, 1236, + /* 480 */ 1627, 1236, 1236, 1236, 1236, 1236, 1236, 1502, 1501, 1236, /* 490 */ 1236, 1355, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, /* 500 */ 1236, 1236, 1236, 1236, 1236, 1284, 1236, 1236, 1236, 1236, /* 510 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, /* 520 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1382, /* 530 */ 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, - /* 540 */ 1236, 1236, 1236, 1236, 1572, 1372, 1236, 1236, 1236, 1236, - /* 550 */ 1620, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, - /* 560 */ 1236, 1236, 1236, 1236, 1236, 1612, 1328, 1418, 1236, 1421, + /* 540 */ 1236, 1236, 1236, 1236, 1570, 1372, 1236, 1236, 1236, 1236, + /* 550 */ 1618, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, 1236, + /* 560 */ 1236, 1236, 1236, 1236, 1236, 1610, 1328, 1418, 1236, 1421, /* 570 */ 1258, 1236, 1248, 1236, 1236, }; /********** End of lemon-generated parsing tables *****************************/ @@ -169845,100 +171346,100 @@ static const char *const yyRuleName[] = { /* 306 */ "wqitem ::= nm eidlist_opt wqas LP select RP", /* 307 */ "wqlist ::= wqitem", /* 308 */ "wqlist ::= wqlist COMMA wqitem", - /* 309 */ "windowdefn_list ::= windowdefn", - /* 310 */ "windowdefn_list ::= windowdefn_list COMMA windowdefn", - /* 311 */ "windowdefn ::= nm AS LP window RP", - /* 312 */ "window ::= PARTITION BY nexprlist orderby_opt frame_opt", - /* 313 */ "window ::= nm PARTITION BY nexprlist orderby_opt frame_opt", - /* 314 */ "window ::= ORDER BY sortlist frame_opt", - /* 315 */ "window ::= nm ORDER BY sortlist frame_opt", - /* 316 */ "window ::= frame_opt", - /* 317 */ "window ::= nm frame_opt", - /* 318 */ "frame_opt ::=", - /* 319 */ "frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt", - /* 320 */ "frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt", - /* 321 */ "range_or_rows ::= RANGE|ROWS|GROUPS", - /* 322 */ "frame_bound_s ::= frame_bound", - /* 323 */ "frame_bound_s ::= UNBOUNDED PRECEDING", - /* 324 */ "frame_bound_e ::= frame_bound", - /* 325 */ "frame_bound_e ::= UNBOUNDED FOLLOWING", - /* 326 */ "frame_bound ::= expr PRECEDING|FOLLOWING", - /* 327 */ "frame_bound ::= CURRENT ROW", - /* 328 */ "frame_exclude_opt ::=", - /* 329 */ "frame_exclude_opt ::= EXCLUDE frame_exclude", - /* 330 */ "frame_exclude ::= NO OTHERS", - /* 331 */ "frame_exclude ::= CURRENT ROW", - /* 332 */ "frame_exclude ::= GROUP|TIES", - /* 333 */ "window_clause ::= WINDOW windowdefn_list", - /* 334 */ "filter_over ::= filter_clause over_clause", - /* 335 */ "filter_over ::= over_clause", - /* 336 */ "filter_over ::= filter_clause", - /* 337 */ "over_clause ::= OVER LP window RP", - /* 338 */ "over_clause ::= OVER nm", - /* 339 */ "filter_clause ::= FILTER LP WHERE expr RP", - /* 340 */ "input ::= cmdlist", - /* 341 */ "cmdlist ::= cmdlist ecmd", - /* 342 */ "cmdlist ::= ecmd", - /* 343 */ "ecmd ::= SEMI", - /* 344 */ "ecmd ::= cmdx SEMI", - /* 345 */ "ecmd ::= explain cmdx SEMI", - /* 346 */ "trans_opt ::=", - /* 347 */ "trans_opt ::= TRANSACTION", - /* 348 */ "trans_opt ::= TRANSACTION nm", - /* 349 */ "savepoint_opt ::= SAVEPOINT", - /* 350 */ "savepoint_opt ::=", - /* 351 */ "cmd ::= create_table create_table_args", - /* 352 */ "table_option_set ::= table_option", - /* 353 */ "columnlist ::= columnlist COMMA columnname carglist", - /* 354 */ "columnlist ::= columnname carglist", - /* 355 */ "nm ::= ID|INDEXED|JOIN_KW", - /* 356 */ "nm ::= STRING", - /* 357 */ "typetoken ::= typename", - /* 358 */ "typename ::= ID|STRING", - /* 359 */ "signed ::= plus_num", - /* 360 */ "signed ::= minus_num", - /* 361 */ "carglist ::= carglist ccons", - /* 362 */ "carglist ::=", - /* 363 */ "ccons ::= NULL onconf", - /* 364 */ "ccons ::= GENERATED ALWAYS AS generated", - /* 365 */ "ccons ::= AS generated", - /* 366 */ "conslist_opt ::= COMMA conslist", - /* 367 */ "conslist ::= conslist tconscomma tcons", - /* 368 */ "conslist ::= tcons", - /* 369 */ "tconscomma ::=", - /* 370 */ "defer_subclause_opt ::= defer_subclause", - /* 371 */ "resolvetype ::= raisetype", - /* 372 */ "selectnowith ::= oneselect", - /* 373 */ "oneselect ::= values", - /* 374 */ "sclp ::= selcollist COMMA", - /* 375 */ "as ::= ID|STRING", - /* 376 */ "indexed_opt ::= indexed_by", - /* 377 */ "returning ::=", - /* 378 */ "expr ::= term", - /* 379 */ "likeop ::= LIKE_KW|MATCH", - /* 380 */ "case_operand ::= expr", - /* 381 */ "exprlist ::= nexprlist", - /* 382 */ "nmnum ::= plus_num", - /* 383 */ "nmnum ::= nm", - /* 384 */ "nmnum ::= ON", - /* 385 */ "nmnum ::= DELETE", - /* 386 */ "nmnum ::= DEFAULT", - /* 387 */ "plus_num ::= INTEGER|FLOAT", - /* 388 */ "foreach_clause ::=", - /* 389 */ "foreach_clause ::= FOR EACH ROW", - /* 390 */ "trnm ::= nm", - /* 391 */ "tridxby ::=", - /* 392 */ "database_kw_opt ::= DATABASE", - /* 393 */ "database_kw_opt ::=", - /* 394 */ "kwcolumn_opt ::=", - /* 395 */ "kwcolumn_opt ::= COLUMNKW", - /* 396 */ "vtabarglist ::= vtabarg", - /* 397 */ "vtabarglist ::= vtabarglist COMMA vtabarg", - /* 398 */ "vtabarg ::= vtabarg vtabargtoken", - /* 399 */ "anylist ::=", - /* 400 */ "anylist ::= anylist LP anylist RP", - /* 401 */ "anylist ::= anylist ANY", - /* 402 */ "with ::=", + /* 309 */ "windowdefn_list ::= windowdefn_list COMMA windowdefn", + /* 310 */ "windowdefn ::= nm AS LP window RP", + /* 311 */ "window ::= PARTITION BY nexprlist orderby_opt frame_opt", + /* 312 */ "window ::= nm PARTITION BY nexprlist orderby_opt frame_opt", + /* 313 */ "window ::= ORDER BY sortlist frame_opt", + /* 314 */ "window ::= nm ORDER BY sortlist frame_opt", + /* 315 */ "window ::= nm frame_opt", + /* 316 */ "frame_opt ::=", + /* 317 */ "frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt", + /* 318 */ "frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt", + /* 319 */ "range_or_rows ::= RANGE|ROWS|GROUPS", + /* 320 */ "frame_bound_s ::= frame_bound", + /* 321 */ "frame_bound_s ::= UNBOUNDED PRECEDING", + /* 322 */ "frame_bound_e ::= frame_bound", + /* 323 */ "frame_bound_e ::= UNBOUNDED FOLLOWING", + /* 324 */ "frame_bound ::= expr PRECEDING|FOLLOWING", + /* 325 */ "frame_bound ::= CURRENT ROW", + /* 326 */ "frame_exclude_opt ::=", + /* 327 */ "frame_exclude_opt ::= EXCLUDE frame_exclude", + /* 328 */ "frame_exclude ::= NO OTHERS", + /* 329 */ "frame_exclude ::= CURRENT ROW", + /* 330 */ "frame_exclude ::= GROUP|TIES", + /* 331 */ "window_clause ::= WINDOW windowdefn_list", + /* 332 */ "filter_over ::= filter_clause over_clause", + /* 333 */ "filter_over ::= over_clause", + /* 334 */ "filter_over ::= filter_clause", + /* 335 */ "over_clause ::= OVER LP window RP", + /* 336 */ "over_clause ::= OVER nm", + /* 337 */ "filter_clause ::= FILTER LP WHERE expr RP", + /* 338 */ "input ::= cmdlist", + /* 339 */ "cmdlist ::= cmdlist ecmd", + /* 340 */ "cmdlist ::= ecmd", + /* 341 */ "ecmd ::= SEMI", + /* 342 */ "ecmd ::= cmdx SEMI", + /* 343 */ "ecmd ::= explain cmdx SEMI", + /* 344 */ "trans_opt ::=", + /* 345 */ "trans_opt ::= TRANSACTION", + /* 346 */ "trans_opt ::= TRANSACTION nm", + /* 347 */ "savepoint_opt ::= SAVEPOINT", + /* 348 */ "savepoint_opt ::=", + /* 349 */ "cmd ::= create_table create_table_args", + /* 350 */ "table_option_set ::= table_option", + /* 351 */ "columnlist ::= columnlist COMMA columnname carglist", + /* 352 */ "columnlist ::= columnname carglist", + /* 353 */ "nm ::= ID|INDEXED|JOIN_KW", + /* 354 */ "nm ::= STRING", + /* 355 */ "typetoken ::= typename", + /* 356 */ "typename ::= ID|STRING", + /* 357 */ "signed ::= plus_num", + /* 358 */ "signed ::= minus_num", + /* 359 */ "carglist ::= carglist ccons", + /* 360 */ "carglist ::=", + /* 361 */ "ccons ::= NULL onconf", + /* 362 */ "ccons ::= GENERATED ALWAYS AS generated", + /* 363 */ "ccons ::= AS generated", + /* 364 */ "conslist_opt ::= COMMA conslist", + /* 365 */ "conslist ::= conslist tconscomma tcons", + /* 366 */ "conslist ::= tcons", + /* 367 */ "tconscomma ::=", + /* 368 */ "defer_subclause_opt ::= defer_subclause", + /* 369 */ "resolvetype ::= raisetype", + /* 370 */ "selectnowith ::= oneselect", + /* 371 */ "oneselect ::= values", + /* 372 */ "sclp ::= selcollist COMMA", + /* 373 */ "as ::= ID|STRING", + /* 374 */ "indexed_opt ::= indexed_by", + /* 375 */ "returning ::=", + /* 376 */ "expr ::= term", + /* 377 */ "likeop ::= LIKE_KW|MATCH", + /* 378 */ "case_operand ::= expr", + /* 379 */ "exprlist ::= nexprlist", + /* 380 */ "nmnum ::= plus_num", + /* 381 */ "nmnum ::= nm", + /* 382 */ "nmnum ::= ON", + /* 383 */ "nmnum ::= DELETE", + /* 384 */ "nmnum ::= DEFAULT", + /* 385 */ "plus_num ::= INTEGER|FLOAT", + /* 386 */ "foreach_clause ::=", + /* 387 */ "foreach_clause ::= FOR EACH ROW", + /* 388 */ "trnm ::= nm", + /* 389 */ "tridxby ::=", + /* 390 */ "database_kw_opt ::= DATABASE", + /* 391 */ "database_kw_opt ::=", + /* 392 */ "kwcolumn_opt ::=", + /* 393 */ "kwcolumn_opt ::= COLUMNKW", + /* 394 */ "vtabarglist ::= vtabarg", + /* 395 */ "vtabarglist ::= vtabarglist COMMA vtabarg", + /* 396 */ "vtabarg ::= vtabarg vtabargtoken", + /* 397 */ "anylist ::=", + /* 398 */ "anylist ::= anylist LP anylist RP", + /* 399 */ "anylist ::= anylist ANY", + /* 400 */ "with ::=", + /* 401 */ "windowdefn_list ::= windowdefn", + /* 402 */ "window ::= frame_opt", }; #endif /* NDEBUG */ @@ -170754,100 +172255,100 @@ static const YYCODETYPE yyRuleInfoLhs[] = { 304, /* (306) wqitem ::= nm eidlist_opt wqas LP select RP */ 241, /* (307) wqlist ::= wqitem */ 241, /* (308) wqlist ::= wqlist COMMA wqitem */ - 306, /* (309) windowdefn_list ::= windowdefn */ - 306, /* (310) windowdefn_list ::= windowdefn_list COMMA windowdefn */ - 307, /* (311) windowdefn ::= nm AS LP window RP */ - 308, /* (312) window ::= PARTITION BY nexprlist orderby_opt frame_opt */ - 308, /* (313) window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ - 308, /* (314) window ::= ORDER BY sortlist frame_opt */ - 308, /* (315) window ::= nm ORDER BY sortlist frame_opt */ - 308, /* (316) window ::= frame_opt */ - 308, /* (317) window ::= nm frame_opt */ - 309, /* (318) frame_opt ::= */ - 309, /* (319) frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ - 309, /* (320) frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ - 313, /* (321) range_or_rows ::= RANGE|ROWS|GROUPS */ - 315, /* (322) frame_bound_s ::= frame_bound */ - 315, /* (323) frame_bound_s ::= UNBOUNDED PRECEDING */ - 316, /* (324) frame_bound_e ::= frame_bound */ - 316, /* (325) frame_bound_e ::= UNBOUNDED FOLLOWING */ - 314, /* (326) frame_bound ::= expr PRECEDING|FOLLOWING */ - 314, /* (327) frame_bound ::= CURRENT ROW */ - 317, /* (328) frame_exclude_opt ::= */ - 317, /* (329) frame_exclude_opt ::= EXCLUDE frame_exclude */ - 318, /* (330) frame_exclude ::= NO OTHERS */ - 318, /* (331) frame_exclude ::= CURRENT ROW */ - 318, /* (332) frame_exclude ::= GROUP|TIES */ - 251, /* (333) window_clause ::= WINDOW windowdefn_list */ - 273, /* (334) filter_over ::= filter_clause over_clause */ - 273, /* (335) filter_over ::= over_clause */ - 273, /* (336) filter_over ::= filter_clause */ - 312, /* (337) over_clause ::= OVER LP window RP */ - 312, /* (338) over_clause ::= OVER nm */ - 311, /* (339) filter_clause ::= FILTER LP WHERE expr RP */ - 185, /* (340) input ::= cmdlist */ - 186, /* (341) cmdlist ::= cmdlist ecmd */ - 186, /* (342) cmdlist ::= ecmd */ - 187, /* (343) ecmd ::= SEMI */ - 187, /* (344) ecmd ::= cmdx SEMI */ - 187, /* (345) ecmd ::= explain cmdx SEMI */ - 192, /* (346) trans_opt ::= */ - 192, /* (347) trans_opt ::= TRANSACTION */ - 192, /* (348) trans_opt ::= TRANSACTION nm */ - 194, /* (349) savepoint_opt ::= SAVEPOINT */ - 194, /* (350) savepoint_opt ::= */ - 190, /* (351) cmd ::= create_table create_table_args */ - 203, /* (352) table_option_set ::= table_option */ - 201, /* (353) columnlist ::= columnlist COMMA columnname carglist */ - 201, /* (354) columnlist ::= columnname carglist */ - 193, /* (355) nm ::= ID|INDEXED|JOIN_KW */ - 193, /* (356) nm ::= STRING */ - 208, /* (357) typetoken ::= typename */ - 209, /* (358) typename ::= ID|STRING */ - 210, /* (359) signed ::= plus_num */ - 210, /* (360) signed ::= minus_num */ - 207, /* (361) carglist ::= carglist ccons */ - 207, /* (362) carglist ::= */ - 215, /* (363) ccons ::= NULL onconf */ - 215, /* (364) ccons ::= GENERATED ALWAYS AS generated */ - 215, /* (365) ccons ::= AS generated */ - 202, /* (366) conslist_opt ::= COMMA conslist */ - 228, /* (367) conslist ::= conslist tconscomma tcons */ - 228, /* (368) conslist ::= tcons */ - 229, /* (369) tconscomma ::= */ - 233, /* (370) defer_subclause_opt ::= defer_subclause */ - 235, /* (371) resolvetype ::= raisetype */ - 239, /* (372) selectnowith ::= oneselect */ - 240, /* (373) oneselect ::= values */ - 254, /* (374) sclp ::= selcollist COMMA */ - 255, /* (375) as ::= ID|STRING */ - 264, /* (376) indexed_opt ::= indexed_by */ - 272, /* (377) returning ::= */ - 217, /* (378) expr ::= term */ - 274, /* (379) likeop ::= LIKE_KW|MATCH */ - 278, /* (380) case_operand ::= expr */ - 261, /* (381) exprlist ::= nexprlist */ - 284, /* (382) nmnum ::= plus_num */ - 284, /* (383) nmnum ::= nm */ - 284, /* (384) nmnum ::= ON */ - 284, /* (385) nmnum ::= DELETE */ - 284, /* (386) nmnum ::= DEFAULT */ - 211, /* (387) plus_num ::= INTEGER|FLOAT */ - 289, /* (388) foreach_clause ::= */ - 289, /* (389) foreach_clause ::= FOR EACH ROW */ - 292, /* (390) trnm ::= nm */ - 293, /* (391) tridxby ::= */ - 294, /* (392) database_kw_opt ::= DATABASE */ - 294, /* (393) database_kw_opt ::= */ - 297, /* (394) kwcolumn_opt ::= */ - 297, /* (395) kwcolumn_opt ::= COLUMNKW */ - 299, /* (396) vtabarglist ::= vtabarg */ - 299, /* (397) vtabarglist ::= vtabarglist COMMA vtabarg */ - 300, /* (398) vtabarg ::= vtabarg vtabargtoken */ - 303, /* (399) anylist ::= */ - 303, /* (400) anylist ::= anylist LP anylist RP */ - 303, /* (401) anylist ::= anylist ANY */ - 266, /* (402) with ::= */ + 306, /* (309) windowdefn_list ::= windowdefn_list COMMA windowdefn */ + 307, /* (310) windowdefn ::= nm AS LP window RP */ + 308, /* (311) window ::= PARTITION BY nexprlist orderby_opt frame_opt */ + 308, /* (312) window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ + 308, /* (313) window ::= ORDER BY sortlist frame_opt */ + 308, /* (314) window ::= nm ORDER BY sortlist frame_opt */ + 308, /* (315) window ::= nm frame_opt */ + 309, /* (316) frame_opt ::= */ + 309, /* (317) frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ + 309, /* (318) frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ + 313, /* (319) range_or_rows ::= RANGE|ROWS|GROUPS */ + 315, /* (320) frame_bound_s ::= frame_bound */ + 315, /* (321) frame_bound_s ::= UNBOUNDED PRECEDING */ + 316, /* (322) frame_bound_e ::= frame_bound */ + 316, /* (323) frame_bound_e ::= UNBOUNDED FOLLOWING */ + 314, /* (324) frame_bound ::= expr PRECEDING|FOLLOWING */ + 314, /* (325) frame_bound ::= CURRENT ROW */ + 317, /* (326) frame_exclude_opt ::= */ + 317, /* (327) frame_exclude_opt ::= EXCLUDE frame_exclude */ + 318, /* (328) frame_exclude ::= NO OTHERS */ + 318, /* (329) frame_exclude ::= CURRENT ROW */ + 318, /* (330) frame_exclude ::= GROUP|TIES */ + 251, /* (331) window_clause ::= WINDOW windowdefn_list */ + 273, /* (332) filter_over ::= filter_clause over_clause */ + 273, /* (333) filter_over ::= over_clause */ + 273, /* (334) filter_over ::= filter_clause */ + 312, /* (335) over_clause ::= OVER LP window RP */ + 312, /* (336) over_clause ::= OVER nm */ + 311, /* (337) filter_clause ::= FILTER LP WHERE expr RP */ + 185, /* (338) input ::= cmdlist */ + 186, /* (339) cmdlist ::= cmdlist ecmd */ + 186, /* (340) cmdlist ::= ecmd */ + 187, /* (341) ecmd ::= SEMI */ + 187, /* (342) ecmd ::= cmdx SEMI */ + 187, /* (343) ecmd ::= explain cmdx SEMI */ + 192, /* (344) trans_opt ::= */ + 192, /* (345) trans_opt ::= TRANSACTION */ + 192, /* (346) trans_opt ::= TRANSACTION nm */ + 194, /* (347) savepoint_opt ::= SAVEPOINT */ + 194, /* (348) savepoint_opt ::= */ + 190, /* (349) cmd ::= create_table create_table_args */ + 203, /* (350) table_option_set ::= table_option */ + 201, /* (351) columnlist ::= columnlist COMMA columnname carglist */ + 201, /* (352) columnlist ::= columnname carglist */ + 193, /* (353) nm ::= ID|INDEXED|JOIN_KW */ + 193, /* (354) nm ::= STRING */ + 208, /* (355) typetoken ::= typename */ + 209, /* (356) typename ::= ID|STRING */ + 210, /* (357) signed ::= plus_num */ + 210, /* (358) signed ::= minus_num */ + 207, /* (359) carglist ::= carglist ccons */ + 207, /* (360) carglist ::= */ + 215, /* (361) ccons ::= NULL onconf */ + 215, /* (362) ccons ::= GENERATED ALWAYS AS generated */ + 215, /* (363) ccons ::= AS generated */ + 202, /* (364) conslist_opt ::= COMMA conslist */ + 228, /* (365) conslist ::= conslist tconscomma tcons */ + 228, /* (366) conslist ::= tcons */ + 229, /* (367) tconscomma ::= */ + 233, /* (368) defer_subclause_opt ::= defer_subclause */ + 235, /* (369) resolvetype ::= raisetype */ + 239, /* (370) selectnowith ::= oneselect */ + 240, /* (371) oneselect ::= values */ + 254, /* (372) sclp ::= selcollist COMMA */ + 255, /* (373) as ::= ID|STRING */ + 264, /* (374) indexed_opt ::= indexed_by */ + 272, /* (375) returning ::= */ + 217, /* (376) expr ::= term */ + 274, /* (377) likeop ::= LIKE_KW|MATCH */ + 278, /* (378) case_operand ::= expr */ + 261, /* (379) exprlist ::= nexprlist */ + 284, /* (380) nmnum ::= plus_num */ + 284, /* (381) nmnum ::= nm */ + 284, /* (382) nmnum ::= ON */ + 284, /* (383) nmnum ::= DELETE */ + 284, /* (384) nmnum ::= DEFAULT */ + 211, /* (385) plus_num ::= INTEGER|FLOAT */ + 289, /* (386) foreach_clause ::= */ + 289, /* (387) foreach_clause ::= FOR EACH ROW */ + 292, /* (388) trnm ::= nm */ + 293, /* (389) tridxby ::= */ + 294, /* (390) database_kw_opt ::= DATABASE */ + 294, /* (391) database_kw_opt ::= */ + 297, /* (392) kwcolumn_opt ::= */ + 297, /* (393) kwcolumn_opt ::= COLUMNKW */ + 299, /* (394) vtabarglist ::= vtabarg */ + 299, /* (395) vtabarglist ::= vtabarglist COMMA vtabarg */ + 300, /* (396) vtabarg ::= vtabarg vtabargtoken */ + 303, /* (397) anylist ::= */ + 303, /* (398) anylist ::= anylist LP anylist RP */ + 303, /* (399) anylist ::= anylist ANY */ + 266, /* (400) with ::= */ + 306, /* (401) windowdefn_list ::= windowdefn */ + 308, /* (402) window ::= frame_opt */ }; /* For rule J, yyRuleInfoNRhs[J] contains the negative of the number @@ -171162,100 +172663,100 @@ static const signed char yyRuleInfoNRhs[] = { -6, /* (306) wqitem ::= nm eidlist_opt wqas LP select RP */ -1, /* (307) wqlist ::= wqitem */ -3, /* (308) wqlist ::= wqlist COMMA wqitem */ - -1, /* (309) windowdefn_list ::= windowdefn */ - -3, /* (310) windowdefn_list ::= windowdefn_list COMMA windowdefn */ - -5, /* (311) windowdefn ::= nm AS LP window RP */ - -5, /* (312) window ::= PARTITION BY nexprlist orderby_opt frame_opt */ - -6, /* (313) window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ - -4, /* (314) window ::= ORDER BY sortlist frame_opt */ - -5, /* (315) window ::= nm ORDER BY sortlist frame_opt */ - -1, /* (316) window ::= frame_opt */ - -2, /* (317) window ::= nm frame_opt */ - 0, /* (318) frame_opt ::= */ - -3, /* (319) frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ - -6, /* (320) frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ - -1, /* (321) range_or_rows ::= RANGE|ROWS|GROUPS */ - -1, /* (322) frame_bound_s ::= frame_bound */ - -2, /* (323) frame_bound_s ::= UNBOUNDED PRECEDING */ - -1, /* (324) frame_bound_e ::= frame_bound */ - -2, /* (325) frame_bound_e ::= UNBOUNDED FOLLOWING */ - -2, /* (326) frame_bound ::= expr PRECEDING|FOLLOWING */ - -2, /* (327) frame_bound ::= CURRENT ROW */ - 0, /* (328) frame_exclude_opt ::= */ - -2, /* (329) frame_exclude_opt ::= EXCLUDE frame_exclude */ - -2, /* (330) frame_exclude ::= NO OTHERS */ - -2, /* (331) frame_exclude ::= CURRENT ROW */ - -1, /* (332) frame_exclude ::= GROUP|TIES */ - -2, /* (333) window_clause ::= WINDOW windowdefn_list */ - -2, /* (334) filter_over ::= filter_clause over_clause */ - -1, /* (335) filter_over ::= over_clause */ - -1, /* (336) filter_over ::= filter_clause */ - -4, /* (337) over_clause ::= OVER LP window RP */ - -2, /* (338) over_clause ::= OVER nm */ - -5, /* (339) filter_clause ::= FILTER LP WHERE expr RP */ - -1, /* (340) input ::= cmdlist */ - -2, /* (341) cmdlist ::= cmdlist ecmd */ - -1, /* (342) cmdlist ::= ecmd */ - -1, /* (343) ecmd ::= SEMI */ - -2, /* (344) ecmd ::= cmdx SEMI */ - -3, /* (345) ecmd ::= explain cmdx SEMI */ - 0, /* (346) trans_opt ::= */ - -1, /* (347) trans_opt ::= TRANSACTION */ - -2, /* (348) trans_opt ::= TRANSACTION nm */ - -1, /* (349) savepoint_opt ::= SAVEPOINT */ - 0, /* (350) savepoint_opt ::= */ - -2, /* (351) cmd ::= create_table create_table_args */ - -1, /* (352) table_option_set ::= table_option */ - -4, /* (353) columnlist ::= columnlist COMMA columnname carglist */ - -2, /* (354) columnlist ::= columnname carglist */ - -1, /* (355) nm ::= ID|INDEXED|JOIN_KW */ - -1, /* (356) nm ::= STRING */ - -1, /* (357) typetoken ::= typename */ - -1, /* (358) typename ::= ID|STRING */ - -1, /* (359) signed ::= plus_num */ - -1, /* (360) signed ::= minus_num */ - -2, /* (361) carglist ::= carglist ccons */ - 0, /* (362) carglist ::= */ - -2, /* (363) ccons ::= NULL onconf */ - -4, /* (364) ccons ::= GENERATED ALWAYS AS generated */ - -2, /* (365) ccons ::= AS generated */ - -2, /* (366) conslist_opt ::= COMMA conslist */ - -3, /* (367) conslist ::= conslist tconscomma tcons */ - -1, /* (368) conslist ::= tcons */ - 0, /* (369) tconscomma ::= */ - -1, /* (370) defer_subclause_opt ::= defer_subclause */ - -1, /* (371) resolvetype ::= raisetype */ - -1, /* (372) selectnowith ::= oneselect */ - -1, /* (373) oneselect ::= values */ - -2, /* (374) sclp ::= selcollist COMMA */ - -1, /* (375) as ::= ID|STRING */ - -1, /* (376) indexed_opt ::= indexed_by */ - 0, /* (377) returning ::= */ - -1, /* (378) expr ::= term */ - -1, /* (379) likeop ::= LIKE_KW|MATCH */ - -1, /* (380) case_operand ::= expr */ - -1, /* (381) exprlist ::= nexprlist */ - -1, /* (382) nmnum ::= plus_num */ - -1, /* (383) nmnum ::= nm */ - -1, /* (384) nmnum ::= ON */ - -1, /* (385) nmnum ::= DELETE */ - -1, /* (386) nmnum ::= DEFAULT */ - -1, /* (387) plus_num ::= INTEGER|FLOAT */ - 0, /* (388) foreach_clause ::= */ - -3, /* (389) foreach_clause ::= FOR EACH ROW */ - -1, /* (390) trnm ::= nm */ - 0, /* (391) tridxby ::= */ - -1, /* (392) database_kw_opt ::= DATABASE */ - 0, /* (393) database_kw_opt ::= */ - 0, /* (394) kwcolumn_opt ::= */ - -1, /* (395) kwcolumn_opt ::= COLUMNKW */ - -1, /* (396) vtabarglist ::= vtabarg */ - -3, /* (397) vtabarglist ::= vtabarglist COMMA vtabarg */ - -2, /* (398) vtabarg ::= vtabarg vtabargtoken */ - 0, /* (399) anylist ::= */ - -4, /* (400) anylist ::= anylist LP anylist RP */ - -2, /* (401) anylist ::= anylist ANY */ - 0, /* (402) with ::= */ + -3, /* (309) windowdefn_list ::= windowdefn_list COMMA windowdefn */ + -5, /* (310) windowdefn ::= nm AS LP window RP */ + -5, /* (311) window ::= PARTITION BY nexprlist orderby_opt frame_opt */ + -6, /* (312) window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ + -4, /* (313) window ::= ORDER BY sortlist frame_opt */ + -5, /* (314) window ::= nm ORDER BY sortlist frame_opt */ + -2, /* (315) window ::= nm frame_opt */ + 0, /* (316) frame_opt ::= */ + -3, /* (317) frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ + -6, /* (318) frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ + -1, /* (319) range_or_rows ::= RANGE|ROWS|GROUPS */ + -1, /* (320) frame_bound_s ::= frame_bound */ + -2, /* (321) frame_bound_s ::= UNBOUNDED PRECEDING */ + -1, /* (322) frame_bound_e ::= frame_bound */ + -2, /* (323) frame_bound_e ::= UNBOUNDED FOLLOWING */ + -2, /* (324) frame_bound ::= expr PRECEDING|FOLLOWING */ + -2, /* (325) frame_bound ::= CURRENT ROW */ + 0, /* (326) frame_exclude_opt ::= */ + -2, /* (327) frame_exclude_opt ::= EXCLUDE frame_exclude */ + -2, /* (328) frame_exclude ::= NO OTHERS */ + -2, /* (329) frame_exclude ::= CURRENT ROW */ + -1, /* (330) frame_exclude ::= GROUP|TIES */ + -2, /* (331) window_clause ::= WINDOW windowdefn_list */ + -2, /* (332) filter_over ::= filter_clause over_clause */ + -1, /* (333) filter_over ::= over_clause */ + -1, /* (334) filter_over ::= filter_clause */ + -4, /* (335) over_clause ::= OVER LP window RP */ + -2, /* (336) over_clause ::= OVER nm */ + -5, /* (337) filter_clause ::= FILTER LP WHERE expr RP */ + -1, /* (338) input ::= cmdlist */ + -2, /* (339) cmdlist ::= cmdlist ecmd */ + -1, /* (340) cmdlist ::= ecmd */ + -1, /* (341) ecmd ::= SEMI */ + -2, /* (342) ecmd ::= cmdx SEMI */ + -3, /* (343) ecmd ::= explain cmdx SEMI */ + 0, /* (344) trans_opt ::= */ + -1, /* (345) trans_opt ::= TRANSACTION */ + -2, /* (346) trans_opt ::= TRANSACTION nm */ + -1, /* (347) savepoint_opt ::= SAVEPOINT */ + 0, /* (348) savepoint_opt ::= */ + -2, /* (349) cmd ::= create_table create_table_args */ + -1, /* (350) table_option_set ::= table_option */ + -4, /* (351) columnlist ::= columnlist COMMA columnname carglist */ + -2, /* (352) columnlist ::= columnname carglist */ + -1, /* (353) nm ::= ID|INDEXED|JOIN_KW */ + -1, /* (354) nm ::= STRING */ + -1, /* (355) typetoken ::= typename */ + -1, /* (356) typename ::= ID|STRING */ + -1, /* (357) signed ::= plus_num */ + -1, /* (358) signed ::= minus_num */ + -2, /* (359) carglist ::= carglist ccons */ + 0, /* (360) carglist ::= */ + -2, /* (361) ccons ::= NULL onconf */ + -4, /* (362) ccons ::= GENERATED ALWAYS AS generated */ + -2, /* (363) ccons ::= AS generated */ + -2, /* (364) conslist_opt ::= COMMA conslist */ + -3, /* (365) conslist ::= conslist tconscomma tcons */ + -1, /* (366) conslist ::= tcons */ + 0, /* (367) tconscomma ::= */ + -1, /* (368) defer_subclause_opt ::= defer_subclause */ + -1, /* (369) resolvetype ::= raisetype */ + -1, /* (370) selectnowith ::= oneselect */ + -1, /* (371) oneselect ::= values */ + -2, /* (372) sclp ::= selcollist COMMA */ + -1, /* (373) as ::= ID|STRING */ + -1, /* (374) indexed_opt ::= indexed_by */ + 0, /* (375) returning ::= */ + -1, /* (376) expr ::= term */ + -1, /* (377) likeop ::= LIKE_KW|MATCH */ + -1, /* (378) case_operand ::= expr */ + -1, /* (379) exprlist ::= nexprlist */ + -1, /* (380) nmnum ::= plus_num */ + -1, /* (381) nmnum ::= nm */ + -1, /* (382) nmnum ::= ON */ + -1, /* (383) nmnum ::= DELETE */ + -1, /* (384) nmnum ::= DEFAULT */ + -1, /* (385) plus_num ::= INTEGER|FLOAT */ + 0, /* (386) foreach_clause ::= */ + -3, /* (387) foreach_clause ::= FOR EACH ROW */ + -1, /* (388) trnm ::= nm */ + 0, /* (389) tridxby ::= */ + -1, /* (390) database_kw_opt ::= DATABASE */ + 0, /* (391) database_kw_opt ::= */ + 0, /* (392) kwcolumn_opt ::= */ + -1, /* (393) kwcolumn_opt ::= COLUMNKW */ + -1, /* (394) vtabarglist ::= vtabarg */ + -3, /* (395) vtabarglist ::= vtabarglist COMMA vtabarg */ + -2, /* (396) vtabarg ::= vtabarg vtabargtoken */ + 0, /* (397) anylist ::= */ + -4, /* (398) anylist ::= anylist LP anylist RP */ + -2, /* (399) anylist ::= anylist ANY */ + 0, /* (400) with ::= */ + -1, /* (401) windowdefn_list ::= windowdefn */ + -1, /* (402) window ::= frame_opt */ }; static void yy_accept(yyParser*); /* Forward Declaration */ @@ -171298,10 +172799,10 @@ static YYACTIONTYPE yy_reduce( /********** Begin reduce actions **********************************************/ YYMINORTYPE yylhsminor; case 0: /* explain ::= EXPLAIN */ -{ pParse->explain = 1; } +{ if( pParse->pReprepare==0 ) pParse->explain = 1; } break; case 1: /* explain ::= EXPLAIN QUERY PLAN */ -{ pParse->explain = 2; } +{ if( pParse->pReprepare==0 ) pParse->explain = 2; } break; case 2: /* cmdx ::= cmd */ { sqlite3FinishCoding(pParse); } @@ -171315,7 +172816,7 @@ static YYACTIONTYPE yy_reduce( case 5: /* transtype ::= DEFERRED */ case 6: /* transtype ::= IMMEDIATE */ yytestcase(yyruleno==6); case 7: /* transtype ::= EXCLUSIVE */ yytestcase(yyruleno==7); - case 321: /* range_or_rows ::= RANGE|ROWS|GROUPS */ yytestcase(yyruleno==321); + case 319: /* range_or_rows ::= RANGE|ROWS|GROUPS */ yytestcase(yyruleno==319); {yymsp[0].minor.yy394 = yymsp[0].major; /*A-overwrites-X*/} break; case 8: /* cmd ::= COMMIT|END trans_opt */ @@ -171611,7 +173112,6 @@ static YYACTIONTYPE yy_reduce( if( p ){ parserDoubleLinkSelect(pParse, p); } - yymsp[0].minor.yy47 = p; /*A-overwrites-X*/ } break; case 88: /* selectnowith ::= selectnowith multiselect_op oneselect */ @@ -171703,14 +173203,17 @@ static YYACTIONTYPE yy_reduce( case 101: /* selcollist ::= sclp scanpt STAR */ { Expr *p = sqlite3Expr(pParse->db, TK_ASTERISK, 0); + sqlite3ExprSetErrorOffset(p, (int)(yymsp[0].minor.yy0.z - pParse->zTail)); yymsp[-2].minor.yy322 = sqlite3ExprListAppend(pParse, yymsp[-2].minor.yy322, p); } break; case 102: /* selcollist ::= sclp scanpt nm DOT STAR */ { - Expr *pRight = sqlite3PExpr(pParse, TK_ASTERISK, 0, 0); - Expr *pLeft = tokenExpr(pParse, TK_ID, yymsp[-2].minor.yy0); - Expr *pDot = sqlite3PExpr(pParse, TK_DOT, pLeft, pRight); + Expr *pRight, *pLeft, *pDot; + pRight = sqlite3PExpr(pParse, TK_ASTERISK, 0, 0); + sqlite3ExprSetErrorOffset(pRight, (int)(yymsp[0].minor.yy0.z - pParse->zTail)); + pLeft = tokenExpr(pParse, TK_ID, yymsp[-2].minor.yy0); + pDot = sqlite3PExpr(pParse, TK_DOT, pLeft, pRight); yymsp[-4].minor.yy322 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy322, pDot); } break; @@ -172604,11 +174107,7 @@ static YYACTIONTYPE yy_reduce( yymsp[-2].minor.yy521 = sqlite3WithAdd(pParse, yymsp[-2].minor.yy521, yymsp[0].minor.yy385); } break; - case 309: /* windowdefn_list ::= windowdefn */ -{ yylhsminor.yy41 = yymsp[0].minor.yy41; } - yymsp[0].minor.yy41 = yylhsminor.yy41; - break; - case 310: /* windowdefn_list ::= windowdefn_list COMMA windowdefn */ + case 309: /* windowdefn_list ::= windowdefn_list COMMA windowdefn */ { assert( yymsp[0].minor.yy41!=0 ); sqlite3WindowChain(pParse, yymsp[0].minor.yy41, yymsp[-2].minor.yy41); @@ -172617,7 +174116,7 @@ static YYACTIONTYPE yy_reduce( } yymsp[-2].minor.yy41 = yylhsminor.yy41; break; - case 311: /* windowdefn ::= nm AS LP window RP */ + case 310: /* windowdefn ::= nm AS LP window RP */ { if( ALWAYS(yymsp[-1].minor.yy41) ){ yymsp[-1].minor.yy41->zName = sqlite3DbStrNDup(pParse->db, yymsp[-4].minor.yy0.z, yymsp[-4].minor.yy0.n); @@ -172626,90 +174125,83 @@ static YYACTIONTYPE yy_reduce( } yymsp[-4].minor.yy41 = yylhsminor.yy41; break; - case 312: /* window ::= PARTITION BY nexprlist orderby_opt frame_opt */ + case 311: /* window ::= PARTITION BY nexprlist orderby_opt frame_opt */ { yymsp[-4].minor.yy41 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy41, yymsp[-2].minor.yy322, yymsp[-1].minor.yy322, 0); } break; - case 313: /* window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ + case 312: /* window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ { yylhsminor.yy41 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy41, yymsp[-2].minor.yy322, yymsp[-1].minor.yy322, &yymsp[-5].minor.yy0); } yymsp[-5].minor.yy41 = yylhsminor.yy41; break; - case 314: /* window ::= ORDER BY sortlist frame_opt */ + case 313: /* window ::= ORDER BY sortlist frame_opt */ { yymsp[-3].minor.yy41 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy41, 0, yymsp[-1].minor.yy322, 0); } break; - case 315: /* window ::= nm ORDER BY sortlist frame_opt */ + case 314: /* window ::= nm ORDER BY sortlist frame_opt */ { yylhsminor.yy41 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy41, 0, yymsp[-1].minor.yy322, &yymsp[-4].minor.yy0); } yymsp[-4].minor.yy41 = yylhsminor.yy41; break; - case 316: /* window ::= frame_opt */ - case 335: /* filter_over ::= over_clause */ yytestcase(yyruleno==335); -{ - yylhsminor.yy41 = yymsp[0].minor.yy41; -} - yymsp[0].minor.yy41 = yylhsminor.yy41; - break; - case 317: /* window ::= nm frame_opt */ + case 315: /* window ::= nm frame_opt */ { yylhsminor.yy41 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy41, 0, 0, &yymsp[-1].minor.yy0); } yymsp[-1].minor.yy41 = yylhsminor.yy41; break; - case 318: /* frame_opt ::= */ + case 316: /* frame_opt ::= */ { yymsp[1].minor.yy41 = sqlite3WindowAlloc(pParse, 0, TK_UNBOUNDED, 0, TK_CURRENT, 0, 0); } break; - case 319: /* frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ + case 317: /* frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ { yylhsminor.yy41 = sqlite3WindowAlloc(pParse, yymsp[-2].minor.yy394, yymsp[-1].minor.yy595.eType, yymsp[-1].minor.yy595.pExpr, TK_CURRENT, 0, yymsp[0].minor.yy516); } yymsp[-2].minor.yy41 = yylhsminor.yy41; break; - case 320: /* frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ + case 318: /* frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ { yylhsminor.yy41 = sqlite3WindowAlloc(pParse, yymsp[-5].minor.yy394, yymsp[-3].minor.yy595.eType, yymsp[-3].minor.yy595.pExpr, yymsp[-1].minor.yy595.eType, yymsp[-1].minor.yy595.pExpr, yymsp[0].minor.yy516); } yymsp[-5].minor.yy41 = yylhsminor.yy41; break; - case 322: /* frame_bound_s ::= frame_bound */ - case 324: /* frame_bound_e ::= frame_bound */ yytestcase(yyruleno==324); + case 320: /* frame_bound_s ::= frame_bound */ + case 322: /* frame_bound_e ::= frame_bound */ yytestcase(yyruleno==322); {yylhsminor.yy595 = yymsp[0].minor.yy595;} yymsp[0].minor.yy595 = yylhsminor.yy595; break; - case 323: /* frame_bound_s ::= UNBOUNDED PRECEDING */ - case 325: /* frame_bound_e ::= UNBOUNDED FOLLOWING */ yytestcase(yyruleno==325); - case 327: /* frame_bound ::= CURRENT ROW */ yytestcase(yyruleno==327); + case 321: /* frame_bound_s ::= UNBOUNDED PRECEDING */ + case 323: /* frame_bound_e ::= UNBOUNDED FOLLOWING */ yytestcase(yyruleno==323); + case 325: /* frame_bound ::= CURRENT ROW */ yytestcase(yyruleno==325); {yylhsminor.yy595.eType = yymsp[-1].major; yylhsminor.yy595.pExpr = 0;} yymsp[-1].minor.yy595 = yylhsminor.yy595; break; - case 326: /* frame_bound ::= expr PRECEDING|FOLLOWING */ + case 324: /* frame_bound ::= expr PRECEDING|FOLLOWING */ {yylhsminor.yy595.eType = yymsp[0].major; yylhsminor.yy595.pExpr = yymsp[-1].minor.yy528;} yymsp[-1].minor.yy595 = yylhsminor.yy595; break; - case 328: /* frame_exclude_opt ::= */ + case 326: /* frame_exclude_opt ::= */ {yymsp[1].minor.yy516 = 0;} break; - case 329: /* frame_exclude_opt ::= EXCLUDE frame_exclude */ + case 327: /* frame_exclude_opt ::= EXCLUDE frame_exclude */ {yymsp[-1].minor.yy516 = yymsp[0].minor.yy516;} break; - case 330: /* frame_exclude ::= NO OTHERS */ - case 331: /* frame_exclude ::= CURRENT ROW */ yytestcase(yyruleno==331); + case 328: /* frame_exclude ::= NO OTHERS */ + case 329: /* frame_exclude ::= CURRENT ROW */ yytestcase(yyruleno==329); {yymsp[-1].minor.yy516 = yymsp[-1].major; /*A-overwrites-X*/} break; - case 332: /* frame_exclude ::= GROUP|TIES */ + case 330: /* frame_exclude ::= GROUP|TIES */ {yymsp[0].minor.yy516 = yymsp[0].major; /*A-overwrites-X*/} break; - case 333: /* window_clause ::= WINDOW windowdefn_list */ + case 331: /* window_clause ::= WINDOW windowdefn_list */ { yymsp[-1].minor.yy41 = yymsp[0].minor.yy41; } break; - case 334: /* filter_over ::= filter_clause over_clause */ + case 332: /* filter_over ::= filter_clause over_clause */ { if( yymsp[0].minor.yy41 ){ yymsp[0].minor.yy41->pFilter = yymsp[-1].minor.yy528; @@ -172720,7 +174212,13 @@ static YYACTIONTYPE yy_reduce( } yymsp[-1].minor.yy41 = yylhsminor.yy41; break; - case 336: /* filter_over ::= filter_clause */ + case 333: /* filter_over ::= over_clause */ +{ + yylhsminor.yy41 = yymsp[0].minor.yy41; +} + yymsp[0].minor.yy41 = yylhsminor.yy41; + break; + case 334: /* filter_over ::= filter_clause */ { yylhsminor.yy41 = (Window*)sqlite3DbMallocZero(pParse->db, sizeof(Window)); if( yylhsminor.yy41 ){ @@ -172732,13 +174230,13 @@ static YYACTIONTYPE yy_reduce( } yymsp[0].minor.yy41 = yylhsminor.yy41; break; - case 337: /* over_clause ::= OVER LP window RP */ + case 335: /* over_clause ::= OVER LP window RP */ { yymsp[-3].minor.yy41 = yymsp[-1].minor.yy41; assert( yymsp[-3].minor.yy41!=0 ); } break; - case 338: /* over_clause ::= OVER nm */ + case 336: /* over_clause ::= OVER nm */ { yymsp[-1].minor.yy41 = (Window*)sqlite3DbMallocZero(pParse->db, sizeof(Window)); if( yymsp[-1].minor.yy41 ){ @@ -172746,73 +174244,75 @@ static YYACTIONTYPE yy_reduce( } } break; - case 339: /* filter_clause ::= FILTER LP WHERE expr RP */ + case 337: /* filter_clause ::= FILTER LP WHERE expr RP */ { yymsp[-4].minor.yy528 = yymsp[-1].minor.yy528; } break; default: - /* (340) input ::= cmdlist */ yytestcase(yyruleno==340); - /* (341) cmdlist ::= cmdlist ecmd */ yytestcase(yyruleno==341); - /* (342) cmdlist ::= ecmd (OPTIMIZED OUT) */ assert(yyruleno!=342); - /* (343) ecmd ::= SEMI */ yytestcase(yyruleno==343); - /* (344) ecmd ::= cmdx SEMI */ yytestcase(yyruleno==344); - /* (345) ecmd ::= explain cmdx SEMI (NEVER REDUCES) */ assert(yyruleno!=345); - /* (346) trans_opt ::= */ yytestcase(yyruleno==346); - /* (347) trans_opt ::= TRANSACTION */ yytestcase(yyruleno==347); - /* (348) trans_opt ::= TRANSACTION nm */ yytestcase(yyruleno==348); - /* (349) savepoint_opt ::= SAVEPOINT */ yytestcase(yyruleno==349); - /* (350) savepoint_opt ::= */ yytestcase(yyruleno==350); - /* (351) cmd ::= create_table create_table_args */ yytestcase(yyruleno==351); - /* (352) table_option_set ::= table_option (OPTIMIZED OUT) */ assert(yyruleno!=352); - /* (353) columnlist ::= columnlist COMMA columnname carglist */ yytestcase(yyruleno==353); - /* (354) columnlist ::= columnname carglist */ yytestcase(yyruleno==354); - /* (355) nm ::= ID|INDEXED|JOIN_KW */ yytestcase(yyruleno==355); - /* (356) nm ::= STRING */ yytestcase(yyruleno==356); - /* (357) typetoken ::= typename */ yytestcase(yyruleno==357); - /* (358) typename ::= ID|STRING */ yytestcase(yyruleno==358); - /* (359) signed ::= plus_num (OPTIMIZED OUT) */ assert(yyruleno!=359); - /* (360) signed ::= minus_num (OPTIMIZED OUT) */ assert(yyruleno!=360); - /* (361) carglist ::= carglist ccons */ yytestcase(yyruleno==361); - /* (362) carglist ::= */ yytestcase(yyruleno==362); - /* (363) ccons ::= NULL onconf */ yytestcase(yyruleno==363); - /* (364) ccons ::= GENERATED ALWAYS AS generated */ yytestcase(yyruleno==364); - /* (365) ccons ::= AS generated */ yytestcase(yyruleno==365); - /* (366) conslist_opt ::= COMMA conslist */ yytestcase(yyruleno==366); - /* (367) conslist ::= conslist tconscomma tcons */ yytestcase(yyruleno==367); - /* (368) conslist ::= tcons (OPTIMIZED OUT) */ assert(yyruleno!=368); - /* (369) tconscomma ::= */ yytestcase(yyruleno==369); - /* (370) defer_subclause_opt ::= defer_subclause (OPTIMIZED OUT) */ assert(yyruleno!=370); - /* (371) resolvetype ::= raisetype (OPTIMIZED OUT) */ assert(yyruleno!=371); - /* (372) selectnowith ::= oneselect (OPTIMIZED OUT) */ assert(yyruleno!=372); - /* (373) oneselect ::= values */ yytestcase(yyruleno==373); - /* (374) sclp ::= selcollist COMMA */ yytestcase(yyruleno==374); - /* (375) as ::= ID|STRING */ yytestcase(yyruleno==375); - /* (376) indexed_opt ::= indexed_by (OPTIMIZED OUT) */ assert(yyruleno!=376); - /* (377) returning ::= */ yytestcase(yyruleno==377); - /* (378) expr ::= term (OPTIMIZED OUT) */ assert(yyruleno!=378); - /* (379) likeop ::= LIKE_KW|MATCH */ yytestcase(yyruleno==379); - /* (380) case_operand ::= expr */ yytestcase(yyruleno==380); - /* (381) exprlist ::= nexprlist */ yytestcase(yyruleno==381); - /* (382) nmnum ::= plus_num (OPTIMIZED OUT) */ assert(yyruleno!=382); - /* (383) nmnum ::= nm (OPTIMIZED OUT) */ assert(yyruleno!=383); - /* (384) nmnum ::= ON */ yytestcase(yyruleno==384); - /* (385) nmnum ::= DELETE */ yytestcase(yyruleno==385); - /* (386) nmnum ::= DEFAULT */ yytestcase(yyruleno==386); - /* (387) plus_num ::= INTEGER|FLOAT */ yytestcase(yyruleno==387); - /* (388) foreach_clause ::= */ yytestcase(yyruleno==388); - /* (389) foreach_clause ::= FOR EACH ROW */ yytestcase(yyruleno==389); - /* (390) trnm ::= nm */ yytestcase(yyruleno==390); - /* (391) tridxby ::= */ yytestcase(yyruleno==391); - /* (392) database_kw_opt ::= DATABASE */ yytestcase(yyruleno==392); - /* (393) database_kw_opt ::= */ yytestcase(yyruleno==393); - /* (394) kwcolumn_opt ::= */ yytestcase(yyruleno==394); - /* (395) kwcolumn_opt ::= COLUMNKW */ yytestcase(yyruleno==395); - /* (396) vtabarglist ::= vtabarg */ yytestcase(yyruleno==396); - /* (397) vtabarglist ::= vtabarglist COMMA vtabarg */ yytestcase(yyruleno==397); - /* (398) vtabarg ::= vtabarg vtabargtoken */ yytestcase(yyruleno==398); - /* (399) anylist ::= */ yytestcase(yyruleno==399); - /* (400) anylist ::= anylist LP anylist RP */ yytestcase(yyruleno==400); - /* (401) anylist ::= anylist ANY */ yytestcase(yyruleno==401); - /* (402) with ::= */ yytestcase(yyruleno==402); + /* (338) input ::= cmdlist */ yytestcase(yyruleno==338); + /* (339) cmdlist ::= cmdlist ecmd */ yytestcase(yyruleno==339); + /* (340) cmdlist ::= ecmd (OPTIMIZED OUT) */ assert(yyruleno!=340); + /* (341) ecmd ::= SEMI */ yytestcase(yyruleno==341); + /* (342) ecmd ::= cmdx SEMI */ yytestcase(yyruleno==342); + /* (343) ecmd ::= explain cmdx SEMI (NEVER REDUCES) */ assert(yyruleno!=343); + /* (344) trans_opt ::= */ yytestcase(yyruleno==344); + /* (345) trans_opt ::= TRANSACTION */ yytestcase(yyruleno==345); + /* (346) trans_opt ::= TRANSACTION nm */ yytestcase(yyruleno==346); + /* (347) savepoint_opt ::= SAVEPOINT */ yytestcase(yyruleno==347); + /* (348) savepoint_opt ::= */ yytestcase(yyruleno==348); + /* (349) cmd ::= create_table create_table_args */ yytestcase(yyruleno==349); + /* (350) table_option_set ::= table_option (OPTIMIZED OUT) */ assert(yyruleno!=350); + /* (351) columnlist ::= columnlist COMMA columnname carglist */ yytestcase(yyruleno==351); + /* (352) columnlist ::= columnname carglist */ yytestcase(yyruleno==352); + /* (353) nm ::= ID|INDEXED|JOIN_KW */ yytestcase(yyruleno==353); + /* (354) nm ::= STRING */ yytestcase(yyruleno==354); + /* (355) typetoken ::= typename */ yytestcase(yyruleno==355); + /* (356) typename ::= ID|STRING */ yytestcase(yyruleno==356); + /* (357) signed ::= plus_num (OPTIMIZED OUT) */ assert(yyruleno!=357); + /* (358) signed ::= minus_num (OPTIMIZED OUT) */ assert(yyruleno!=358); + /* (359) carglist ::= carglist ccons */ yytestcase(yyruleno==359); + /* (360) carglist ::= */ yytestcase(yyruleno==360); + /* (361) ccons ::= NULL onconf */ yytestcase(yyruleno==361); + /* (362) ccons ::= GENERATED ALWAYS AS generated */ yytestcase(yyruleno==362); + /* (363) ccons ::= AS generated */ yytestcase(yyruleno==363); + /* (364) conslist_opt ::= COMMA conslist */ yytestcase(yyruleno==364); + /* (365) conslist ::= conslist tconscomma tcons */ yytestcase(yyruleno==365); + /* (366) conslist ::= tcons (OPTIMIZED OUT) */ assert(yyruleno!=366); + /* (367) tconscomma ::= */ yytestcase(yyruleno==367); + /* (368) defer_subclause_opt ::= defer_subclause (OPTIMIZED OUT) */ assert(yyruleno!=368); + /* (369) resolvetype ::= raisetype (OPTIMIZED OUT) */ assert(yyruleno!=369); + /* (370) selectnowith ::= oneselect (OPTIMIZED OUT) */ assert(yyruleno!=370); + /* (371) oneselect ::= values */ yytestcase(yyruleno==371); + /* (372) sclp ::= selcollist COMMA */ yytestcase(yyruleno==372); + /* (373) as ::= ID|STRING */ yytestcase(yyruleno==373); + /* (374) indexed_opt ::= indexed_by (OPTIMIZED OUT) */ assert(yyruleno!=374); + /* (375) returning ::= */ yytestcase(yyruleno==375); + /* (376) expr ::= term (OPTIMIZED OUT) */ assert(yyruleno!=376); + /* (377) likeop ::= LIKE_KW|MATCH */ yytestcase(yyruleno==377); + /* (378) case_operand ::= expr */ yytestcase(yyruleno==378); + /* (379) exprlist ::= nexprlist */ yytestcase(yyruleno==379); + /* (380) nmnum ::= plus_num (OPTIMIZED OUT) */ assert(yyruleno!=380); + /* (381) nmnum ::= nm (OPTIMIZED OUT) */ assert(yyruleno!=381); + /* (382) nmnum ::= ON */ yytestcase(yyruleno==382); + /* (383) nmnum ::= DELETE */ yytestcase(yyruleno==383); + /* (384) nmnum ::= DEFAULT */ yytestcase(yyruleno==384); + /* (385) plus_num ::= INTEGER|FLOAT */ yytestcase(yyruleno==385); + /* (386) foreach_clause ::= */ yytestcase(yyruleno==386); + /* (387) foreach_clause ::= FOR EACH ROW */ yytestcase(yyruleno==387); + /* (388) trnm ::= nm */ yytestcase(yyruleno==388); + /* (389) tridxby ::= */ yytestcase(yyruleno==389); + /* (390) database_kw_opt ::= DATABASE */ yytestcase(yyruleno==390); + /* (391) database_kw_opt ::= */ yytestcase(yyruleno==391); + /* (392) kwcolumn_opt ::= */ yytestcase(yyruleno==392); + /* (393) kwcolumn_opt ::= COLUMNKW */ yytestcase(yyruleno==393); + /* (394) vtabarglist ::= vtabarg */ yytestcase(yyruleno==394); + /* (395) vtabarglist ::= vtabarglist COMMA vtabarg */ yytestcase(yyruleno==395); + /* (396) vtabarg ::= vtabarg vtabargtoken */ yytestcase(yyruleno==396); + /* (397) anylist ::= */ yytestcase(yyruleno==397); + /* (398) anylist ::= anylist LP anylist RP */ yytestcase(yyruleno==398); + /* (399) anylist ::= anylist ANY */ yytestcase(yyruleno==399); + /* (400) with ::= */ yytestcase(yyruleno==400); + /* (401) windowdefn_list ::= windowdefn (OPTIMIZED OUT) */ assert(yyruleno!=401); + /* (402) window ::= frame_opt (OPTIMIZED OUT) */ assert(yyruleno!=402); break; /********** End reduce actions ************************************************/ }; @@ -173601,180 +175101,179 @@ static const unsigned char aKWCode[148] = {0, static int keywordCode(const char *z, int n, int *pType){ int i, j; const char *zKW; - if( n>=2 ){ - i = ((charMap(z[0])*4) ^ (charMap(z[n-1])*3) ^ n*1) % 127; - for(i=(int)aKWHash[i]; i>0; i=aKWNext[i]){ - if( aKWLen[i]!=n ) continue; - zKW = &zKWText[aKWOffset[i]]; + assert( n>=2 ); + i = ((charMap(z[0])*4) ^ (charMap(z[n-1])*3) ^ n*1) % 127; + for(i=(int)aKWHash[i]; i>0; i=aKWNext[i]){ + if( aKWLen[i]!=n ) continue; + zKW = &zKWText[aKWOffset[i]]; #ifdef SQLITE_ASCII - if( (z[0]&~0x20)!=zKW[0] ) continue; - if( (z[1]&~0x20)!=zKW[1] ) continue; - j = 2; - while( j=2 ) keywordCode((char*)z, n, &id); return id; } #define SQLITE_N_KEYWORD 147 @@ -174079,7 +175578,7 @@ SQLITE_PRIVATE int sqlite3GetToken(const unsigned char *z, int *tokenType){ testcase( z[0]=='0' ); testcase( z[0]=='1' ); testcase( z[0]=='2' ); testcase( z[0]=='3' ); testcase( z[0]=='4' ); testcase( z[0]=='5' ); testcase( z[0]=='6' ); testcase( z[0]=='7' ); testcase( z[0]=='8' ); - testcase( z[0]=='9' ); + testcase( z[0]=='9' ); testcase( z[0]=='.' ); *tokenType = TK_INTEGER; #ifndef SQLITE_OMIT_HEX_INTEGER if( z[0]=='0' && (z[1]=='x' || z[1]=='X') && sqlite3Isxdigit(z[2]) ){ @@ -174151,7 +175650,8 @@ SQLITE_PRIVATE int sqlite3GetToken(const unsigned char *z, int *tokenType){ return i; } case CC_KYWD0: { - for(i=1; aiClass[z[i]]<=CC_KYWD; i++){} + if( aiClass[z[1]]>CC_KYWD ){ i = 1; break; } + for(i=2; aiClass[z[i]]<=CC_KYWD; i++){} if( IdChar(z[i]) ){ /* This token started out using characters that can appear in keywords, ** but z[i] is a character not allowed within keywords, so this must @@ -174930,12 +176430,6 @@ static int sqlite3TestExtInit(sqlite3 *db){ ** Forward declarations of external module initializer functions ** for modules that need them. */ -#ifdef SQLITE_ENABLE_FTS1 -SQLITE_PRIVATE int sqlite3Fts1Init(sqlite3*); -#endif -#ifdef SQLITE_ENABLE_FTS2 -SQLITE_PRIVATE int sqlite3Fts2Init(sqlite3*); -#endif #ifdef SQLITE_ENABLE_FTS5 SQLITE_PRIVATE int sqlite3Fts5Init(sqlite3*); #endif @@ -174948,12 +176442,6 @@ SQLITE_PRIVATE int sqlite3StmtVtabInit(sqlite3*); ** built-in extensions. */ static int (*const sqlite3BuiltinExtensions[])(sqlite3*) = { -#ifdef SQLITE_ENABLE_FTS1 - sqlite3Fts1Init, -#endif -#ifdef SQLITE_ENABLE_FTS2 - sqlite3Fts2Init, -#endif #ifdef SQLITE_ENABLE_FTS3 sqlite3Fts3Init, #endif @@ -176566,9 +178054,9 @@ static int sqliteDefaultBusyCallback( void *ptr, /* Database connection */ int count /* Number of times table has been busy */ ){ -#if SQLITE_OS_WIN || HAVE_USLEEP +#if SQLITE_OS_WIN || !defined(HAVE_NANOSLEEP) || HAVE_NANOSLEEP /* This case is for systems that have support for sleeping for fractions of - ** a second. Examples: All windows systems, unix systems with usleep() */ + ** a second. Examples: All windows systems, unix systems with nanosleep() */ static const u8 delays[] = { 1, 2, 5, 10, 15, 20, 25, 25, 25, 50, 50, 100 }; static const u8 totals[] = @@ -178206,7 +179694,7 @@ static int openDatabase( ** 0 off off ** ** Legacy behavior is 3 (double-quoted string literals are allowed anywhere) -** and so that is the default. But developers are encouranged to use +** and so that is the default. But developers are encouraged to use ** -DSQLITE_DQS=0 (best) or -DSQLITE_DQS=1 (second choice) if possible. */ #if !defined(SQLITE_DQS) @@ -178741,7 +180229,7 @@ SQLITE_API int sqlite3_table_column_metadata( /* Find the column for which info is requested */ if( zColumnName==0 ){ - /* Query for existance of table only */ + /* Query for existence of table only */ }else{ for(iCol=0; iColnCol; iCol++){ pCol = &pTab->aCol[iCol]; @@ -179061,10 +180549,12 @@ SQLITE_API int sqlite3_test_control(int op, ...){ sqlite3ShowSrcList(0); sqlite3ShowWith(0); sqlite3ShowUpsert(0); +#ifndef SQLITE_OMIT_TRIGGER sqlite3ShowTriggerStep(0); sqlite3ShowTriggerStepList(0); sqlite3ShowTrigger(0); sqlite3ShowTriggerList(0); +#endif #ifndef SQLITE_OMIT_WINDOWFUNC sqlite3ShowWindow(0); sqlite3ShowWinFunc(0); @@ -179181,7 +180671,7 @@ SQLITE_API int sqlite3_test_control(int op, ...){ ** formed and never corrupt. This flag is clear by default, indicating that ** database files might have arbitrary corruption. Setting the flag during ** testing causes certain assert() statements in the code to be activated - ** that demonstrat invariants on well-formed database files. + ** that demonstrate invariants on well-formed database files. */ case SQLITE_TESTCTRL_NEVER_CORRUPT: { sqlite3GlobalConfig.neverCorrupt = va_arg(ap, int); @@ -179335,7 +180825,7 @@ SQLITE_API int sqlite3_test_control(int op, ...){ ** ** op==0 Store the current sqlite3TreeTrace in *ptr ** op==1 Set sqlite3TreeTrace to the value *ptr - ** op==3 Store the current sqlite3WhereTrace in *ptr + ** op==2 Store the current sqlite3WhereTrace in *ptr ** op==3 Set sqlite3WhereTrace to the value *ptr */ case SQLITE_TESTCTRL_TRACEFLAGS: { @@ -179371,6 +180861,23 @@ SQLITE_API int sqlite3_test_control(int op, ...){ break; } +#if !defined(SQLITE_OMIT_WSD) + /* sqlite3_test_control(SQLITE_TESTCTRL_USELONGDOUBLE, int X); + ** + ** X<0 Make no changes to the bUseLongDouble. Just report value. + ** X==0 Disable bUseLongDouble + ** X==1 Enable bUseLongDouble + ** X==2 Set bUseLongDouble to its default value for this platform + */ + case SQLITE_TESTCTRL_USELONGDOUBLE: { + int b = va_arg(ap, int); + if( b==2 ) b = sizeof(LONGDOUBLE_TYPE)>8; + if( b>=0 ) sqlite3Config.bUseLongDouble = b>0; + rc = sqlite3Config.bUseLongDouble!=0; + break; + } +#endif + #if defined(SQLITE_DEBUG) && !defined(SQLITE_OMIT_WSD) /* sqlite3_test_control(SQLITE_TESTCTRL_TUNE, id, *piValue) @@ -179671,7 +181178,7 @@ SQLITE_API int sqlite3_snapshot_get( } /* -** Open a read-transaction on the snapshot idendified by pSnapshot. +** Open a read-transaction on the snapshot identified by pSnapshot. */ SQLITE_API int sqlite3_snapshot_open( sqlite3 *db, @@ -195706,6 +197213,7 @@ static int fts3IncrmergeLoad( for(i=nHeight; i>=0 && rc==SQLITE_OK; i--){ NodeReader reader; + memset(&reader, 0, sizeof(reader)); pNode = &pWriter->aNodeWriter[i]; if( pNode->block.a){ @@ -199752,25 +201260,51 @@ SQLITE_PRIVATE int sqlite3FtsUnicodeFold(int c, int eRemoveDiacritic){ ** increase for the parser. (Ubuntu14.10 gcc 4.8.4 x64 with -Os). */ static const char jsonIsSpace[] = { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }; #define fast_isspace(x) (jsonIsSpace[(unsigned char)x]) +/* +** Characters that are special to JSON. Control charaters, +** '"' and '\\'. +*/ +static const char jsonIsOk[256] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 +}; + + #if !defined(SQLITE_DEBUG) && !defined(SQLITE_COVERAGE_TEST) # define VVA(X) #else @@ -199781,6 +201315,7 @@ static const char jsonIsSpace[] = { typedef struct JsonString JsonString; typedef struct JsonNode JsonNode; typedef struct JsonParse JsonParse; +typedef struct JsonCleanup JsonCleanup; /* An instance of this object represents a JSON string ** under construction. Really, this is a generic string accumulator @@ -199796,16 +201331,26 @@ struct JsonString { char zSpace[100]; /* Initial static space */ }; +/* A deferred cleanup task. A list of JsonCleanup objects might be +** run when the JsonParse object is destroyed. +*/ +struct JsonCleanup { + JsonCleanup *pJCNext; /* Next in a list */ + void (*xOp)(void*); /* Routine to run */ + void *pArg; /* Argument to xOp() */ +}; + /* JSON type values */ -#define JSON_NULL 0 -#define JSON_TRUE 1 -#define JSON_FALSE 2 -#define JSON_INT 3 -#define JSON_REAL 4 -#define JSON_STRING 5 -#define JSON_ARRAY 6 -#define JSON_OBJECT 7 +#define JSON_SUBST 0 /* Special edit node. Uses u.iPrev */ +#define JSON_NULL 1 +#define JSON_TRUE 2 +#define JSON_FALSE 3 +#define JSON_INT 4 +#define JSON_REAL 5 +#define JSON_STRING 6 +#define JSON_ARRAY 7 +#define JSON_OBJECT 8 /* The "subtype" set for JSON values */ #define JSON_SUBTYPE 74 /* Ascii for "J" */ @@ -199814,52 +201359,87 @@ struct JsonString { ** Names of the various JSON types: */ static const char * const jsonType[] = { + "subst", "null", "true", "false", "integer", "real", "text", "array", "object" }; /* Bit values for the JsonNode.jnFlag field */ -#define JNODE_RAW 0x01 /* Content is raw, not JSON encoded */ -#define JNODE_ESCAPE 0x02 /* Content is text with \ escapes */ -#define JNODE_REMOVE 0x04 /* Do not output */ -#define JNODE_REPLACE 0x08 /* Replace with JsonNode.u.iReplace */ -#define JNODE_PATCH 0x10 /* Patch with JsonNode.u.pPatch */ -#define JNODE_APPEND 0x20 /* More ARRAY/OBJECT entries at u.iAppend */ -#define JNODE_LABEL 0x40 /* Is a label of an object */ -#define JNODE_JSON5 0x80 /* Node contains JSON5 enhancements */ +#define JNODE_RAW 0x01 /* Content is raw, not JSON encoded */ +#define JNODE_ESCAPE 0x02 /* Content is text with \ escapes */ +#define JNODE_REMOVE 0x04 /* Do not output */ +#define JNODE_REPLACE 0x08 /* Target of a JSON_SUBST node */ +#define JNODE_APPEND 0x10 /* More ARRAY/OBJECT entries at u.iAppend */ +#define JNODE_LABEL 0x20 /* Is a label of an object */ +#define JNODE_JSON5 0x40 /* Node contains JSON5 enhancements */ -/* A single node of parsed JSON +/* A single node of parsed JSON. An array of these nodes describes +** a parse of JSON + edits. +** +** Use the json_parse() SQL function (available when compiled with +** -DSQLITE_DEBUG) to see a dump of complete JsonParse objects, including +** a complete listing and decoding of the array of JsonNodes. */ struct JsonNode { u8 eType; /* One of the JSON_ type values */ u8 jnFlags; /* JNODE flags */ u8 eU; /* Which union element to use */ - u32 n; /* Bytes of content, or number of sub-nodes */ + u32 n; /* Bytes of content for INT, REAL or STRING + ** Number of sub-nodes for ARRAY and OBJECT + ** Node that SUBST applies to */ union { const char *zJContent; /* 1: Content for INT, REAL, and STRING */ u32 iAppend; /* 2: More terms for ARRAY and OBJECT */ u32 iKey; /* 3: Key for ARRAY objects in json_tree() */ - u32 iReplace; /* 4: Replacement content for JNODE_REPLACE */ - JsonNode *pPatch; /* 5: Node chain of patch for JNODE_PATCH */ + u32 iPrev; /* 4: Previous SUBST node, or 0 */ } u; }; -/* A completely parsed JSON string + +/* A parsed and possibly edited JSON string. Lifecycle: +** +** 1. JSON comes in and is parsed into an array aNode[]. The original +** JSON text is stored in zJson. +** +** 2. Zero or more changes are made (via json_remove() or json_replace() +** or similar) to the aNode[] array. +** +** 3. A new, edited and mimified JSON string is generated from aNode +** and stored in zAlt. The JsonParse object always owns zAlt. +** +** Step 1 always happens. Step 2 and 3 may or may not happen, depending +** on the operation. +** +** aNode[].u.zJContent entries typically point into zJson. Hence zJson +** must remain valid for the lifespan of the parse. For edits, +** aNode[].u.zJContent might point to malloced space other than zJson. +** Entries in pClup are responsible for freeing that extra malloced space. +** +** When walking the parse tree in aNode[], edits are ignored if useMod is +** false. */ struct JsonParse { u32 nNode; /* Number of slots of aNode[] used */ u32 nAlloc; /* Number of slots of aNode[] allocated */ JsonNode *aNode; /* Array of nodes containing the parse */ - const char *zJson; /* Original JSON string */ + char *zJson; /* Original JSON string (before edits) */ + char *zAlt; /* Revised and/or mimified JSON */ u32 *aUp; /* Index of parent of each node */ + JsonCleanup *pClup;/* Cleanup operations prior to freeing this object */ u16 iDepth; /* Nesting depth */ u8 nErr; /* Number of errors seen */ u8 oom; /* Set to true if out of memory */ + u8 bJsonIsRCStr; /* True if zJson is an RCStr */ u8 hasNonstd; /* True if input uses non-standard features like JSON5 */ + u8 useMod; /* Actually use the edits contain inside aNode */ + u8 hasMod; /* aNode contains edits from the original zJson */ + u32 nJPRef; /* Number of references to this object */ int nJson; /* Length of the zJson string in bytes */ + int nAlt; /* Length of alternative JSON string zAlt, in bytes */ u32 iErr; /* Error location in zJson[] */ - u32 iHold; /* Replace cache line with the lowest iHold value */ + u32 iSubst; /* Last JSON_SUBST entry in aNode[] */ + u32 iHold; /* Age of this entry in the cache for LRU replacement */ }; /* @@ -199892,16 +201472,14 @@ static void jsonInit(JsonString *p, sqlite3_context *pCtx){ jsonZero(p); } - /* Free all allocated memory and reset the JsonString object back to its ** initial state. */ static void jsonReset(JsonString *p){ - if( !p->bStatic ) sqlite3_free(p->zBuf); + if( !p->bStatic ) sqlite3RCStrUnref(p->zBuf); jsonZero(p); } - /* Report an out-of-memory (OOM) condition */ static void jsonOom(JsonString *p){ @@ -199918,7 +201496,7 @@ static int jsonGrow(JsonString *p, u32 N){ char *zNew; if( p->bStatic ){ if( p->bErr ) return 1; - zNew = sqlite3_malloc64(nTotal); + zNew = sqlite3RCStrNew(nTotal); if( zNew==0 ){ jsonOom(p); return SQLITE_NOMEM; @@ -199927,12 +201505,12 @@ static int jsonGrow(JsonString *p, u32 N){ p->zBuf = zNew; p->bStatic = 0; }else{ - zNew = sqlite3_realloc64(p->zBuf, nTotal); - if( zNew==0 ){ - jsonOom(p); + p->zBuf = sqlite3RCStrResize(p->zBuf, nTotal); + if( p->zBuf==0 ){ + p->bErr = 1; + jsonZero(p); return SQLITE_NOMEM; } - p->zBuf = zNew; } p->nAlloc = nTotal; return SQLITE_OK; @@ -199940,12 +201518,35 @@ static int jsonGrow(JsonString *p, u32 N){ /* Append N bytes from zIn onto the end of the JsonString string. */ -static void jsonAppendRaw(JsonString *p, const char *zIn, u32 N){ - if( N==0 ) return; - if( (N+p->nUsed >= p->nAlloc) && jsonGrow(p,N)!=0 ) return; +static SQLITE_NOINLINE void jsonAppendExpand( + JsonString *p, + const char *zIn, + u32 N +){ + assert( N>0 ); + if( jsonGrow(p,N) ) return; memcpy(p->zBuf+p->nUsed, zIn, N); p->nUsed += N; } +static void jsonAppendRaw(JsonString *p, const char *zIn, u32 N){ + if( N==0 ) return; + if( N+p->nUsed >= p->nAlloc ){ + jsonAppendExpand(p,zIn,N); + }else{ + memcpy(p->zBuf+p->nUsed, zIn, N); + p->nUsed += N; + } +} +static void jsonAppendRawNZ(JsonString *p, const char *zIn, u32 N){ + assert( N>0 ); + if( N+p->nUsed >= p->nAlloc ){ + jsonAppendExpand(p,zIn,N); + }else{ + memcpy(p->zBuf+p->nUsed, zIn, N); + p->nUsed += N; + } +} + /* Append formatted text (not to exceed N bytes) to the JsonString. */ @@ -199960,10 +201561,35 @@ static void jsonPrintf(int N, JsonString *p, const char *zFormat, ...){ /* Append a single character */ -static void jsonAppendChar(JsonString *p, char c){ - if( p->nUsed>=p->nAlloc && jsonGrow(p,1)!=0 ) return; +static SQLITE_NOINLINE void jsonAppendCharExpand(JsonString *p, char c){ + if( jsonGrow(p,1) ) return; p->zBuf[p->nUsed++] = c; } +static void jsonAppendChar(JsonString *p, char c){ + if( p->nUsed>=p->nAlloc ){ + jsonAppendCharExpand(p,c); + }else{ + p->zBuf[p->nUsed++] = c; + } +} + +/* Try to force the string to be a zero-terminated RCStr string. +** +** Return true on success. Return false if an OOM prevents this +** from happening. +*/ +static int jsonForceRCStr(JsonString *p){ + jsonAppendChar(p, 0); + if( p->bErr ) return 0; + p->nUsed--; + if( p->bStatic==0 ) return 1; + p->nAlloc = 0; + p->nUsed++; + jsonGrow(p, p->nUsed); + p->nUsed--; + return p->bStatic==0; +} + /* Append a comma separator to the output buffer, if the previous ** character is not '[' or '{'. @@ -199972,7 +201598,8 @@ static void jsonAppendSeparator(JsonString *p){ char c; if( p->nUsed==0 ) return; c = p->zBuf[p->nUsed-1]; - if( c!='[' && c!='{' ) jsonAppendChar(p, ','); + if( c=='[' || c=='{' ) return; + jsonAppendChar(p, ','); } /* Append the N-byte string in zIn to the end of the JsonString string @@ -199986,11 +201613,16 @@ static void jsonAppendString(JsonString *p, const char *zIn, u32 N){ p->zBuf[p->nUsed++] = '"'; for(i=0; izBuf[p->nUsed++] = c; + }else if( c=='"' || c=='\\' ){ json_simple_escape: if( (p->nUsed+N+3-i > p->nAlloc) && jsonGrow(p,N+3-i)!=0 ) return; p->zBuf[p->nUsed++] = '\\'; - }else if( c<=0x1f ){ + p->zBuf[p->nUsed++] = c; + }else if( c=='\'' ){ + p->zBuf[p->nUsed++] = c; + }else{ static const char aSpecial[] = { 0, 0, 0, 0, 0, 0, 0, 0, 'b', 't', 'n', 0, 'f', 'r', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 @@ -200001,6 +201633,7 @@ static void jsonAppendString(JsonString *p, const char *zIn, u32 N){ assert( aSpecial['\n']=='n' ); assert( aSpecial['\r']=='r' ); assert( aSpecial['\t']=='t' ); + assert( c>=0 && czBuf[p->nUsed++] = 'u'; p->zBuf[p->nUsed++] = '0'; p->zBuf[p->nUsed++] = '0'; - p->zBuf[p->nUsed++] = '0' + (c>>4); - c = "0123456789abcdef"[c&0xf]; + p->zBuf[p->nUsed++] = "0123456789abcdef"[c>>4]; + p->zBuf[p->nUsed++] = "0123456789abcdef"[c&0xf]; } - p->zBuf[p->nUsed++] = c; } p->zBuf[p->nUsed++] = '"'; assert( p->nUsednAlloc ); @@ -200032,7 +201664,7 @@ static void jsonAppendNormalizedString(JsonString *p, const char *zIn, u32 N){ while( N>0 ){ for(i=0; i0 ){ - jsonAppendRaw(p, zIn, i); + jsonAppendRawNZ(p, zIn, i); zIn += i; N -= i; if( N==0 ) break; @@ -200043,16 +201675,16 @@ static void jsonAppendNormalizedString(JsonString *p, const char *zIn, u32 N){ jsonAppendChar(p, '\''); break; case 'v': - jsonAppendRaw(p, "\\u0009", 6); + jsonAppendRawNZ(p, "\\u0009", 6); break; case 'x': - jsonAppendRaw(p, "\\u00", 4); - jsonAppendRaw(p, &zIn[2], 2); + jsonAppendRawNZ(p, "\\u00", 4); + jsonAppendRawNZ(p, &zIn[2], 2); zIn += 2; N -= 2; break; case '0': - jsonAppendRaw(p, "\\u0000", 6); + jsonAppendRawNZ(p, "\\u0000", 6); break; case '\r': if( zIn[2]=='\n' ){ @@ -200070,7 +201702,7 @@ static void jsonAppendNormalizedString(JsonString *p, const char *zIn, u32 N){ N -= 2; break; default: - jsonAppendRaw(p, zIn, 2); + jsonAppendRawNZ(p, zIn, 2); break; } zIn += 2; @@ -200100,11 +201732,12 @@ static void jsonAppendNormalizedInt(JsonString *p, const char *zIn, u32 N){ jsonPrintf(100,p,"%lld",i); }else{ assert( rc==2 ); - jsonAppendRaw(p, "9.0e999", 7); + jsonAppendRawNZ(p, "9.0e999", 7); } return; } - jsonAppendRaw(p, zIn, N); + assert( N>0 ); + jsonAppendRawNZ(p, zIn, N); } /* @@ -200136,7 +201769,7 @@ static void jsonAppendNormalizedReal(JsonString *p, const char *zIn, u32 N){ } } if( N>0 ){ - jsonAppendRaw(p, zIn, N); + jsonAppendRawNZ(p, zIn, N); } } @@ -200152,7 +201785,7 @@ static void jsonAppendValue( ){ switch( sqlite3_value_type(pValue) ){ case SQLITE_NULL: { - jsonAppendRaw(p, "null", 4); + jsonAppendRawNZ(p, "null", 4); break; } case SQLITE_FLOAT: { @@ -200188,15 +201821,25 @@ static void jsonAppendValue( /* Make the JSON in p the result of the SQL function. +** +** The JSON string is reset. */ static void jsonResult(JsonString *p){ if( p->bErr==0 ){ - sqlite3_result_text64(p->pCtx, p->zBuf, p->nUsed, - p->bStatic ? SQLITE_TRANSIENT : sqlite3_free, - SQLITE_UTF8); - jsonZero(p); + if( p->bStatic ){ + sqlite3_result_text64(p->pCtx, p->zBuf, p->nUsed, + SQLITE_TRANSIENT, SQLITE_UTF8); + }else if( jsonForceRCStr(p) ){ + sqlite3RCStrRef(p->zBuf); + sqlite3_result_text64(p->pCtx, p->zBuf, p->nUsed, + (void(*)(void*))sqlite3RCStrUnref, + SQLITE_UTF8); + } + } + if( p->bErr==1 ){ + sqlite3_result_error_nomem(p->pCtx); } - assert( p->bStatic ); + jsonReset(p); } /************************************************************************** @@ -200221,20 +201864,73 @@ static u32 jsonNodeSize(JsonNode *pNode){ ** delete the JsonParse object itself. */ static void jsonParseReset(JsonParse *pParse){ - sqlite3_free(pParse->aNode); - pParse->aNode = 0; + while( pParse->pClup ){ + JsonCleanup *pTask = pParse->pClup; + pParse->pClup = pTask->pJCNext; + pTask->xOp(pTask->pArg); + sqlite3_free(pTask); + } + assert( pParse->nJPRef<=1 ); + if( pParse->aNode ){ + sqlite3_free(pParse->aNode); + pParse->aNode = 0; + } pParse->nNode = 0; pParse->nAlloc = 0; - sqlite3_free(pParse->aUp); - pParse->aUp = 0; + if( pParse->aUp ){ + sqlite3_free(pParse->aUp); + pParse->aUp = 0; + } + if( pParse->bJsonIsRCStr ){ + sqlite3RCStrUnref(pParse->zJson); + pParse->zJson = 0; + pParse->bJsonIsRCStr = 0; + } + if( pParse->zAlt ){ + sqlite3RCStrUnref(pParse->zAlt); + pParse->zAlt = 0; + } } /* ** Free a JsonParse object that was obtained from sqlite3_malloc(). +** +** Note that destroying JsonParse might call sqlite3RCStrUnref() to +** destroy the zJson value. The RCStr object might recursively invoke +** JsonParse to destroy this pParse object again. Take care to ensure +** that this recursive destructor sequence terminates harmlessly. */ static void jsonParseFree(JsonParse *pParse){ - jsonParseReset(pParse); - sqlite3_free(pParse); + if( pParse->nJPRef>1 ){ + pParse->nJPRef--; + }else{ + jsonParseReset(pParse); + sqlite3_free(pParse); + } +} + +/* +** Add a cleanup task to the JsonParse object. +** +** If an OOM occurs, the cleanup operation happens immediately +** and this function returns SQLITE_NOMEM. +*/ +static int jsonParseAddCleanup( + JsonParse *pParse, /* Add the cleanup task to this parser */ + void(*xOp)(void*), /* The cleanup task */ + void *pArg /* Argument to the cleanup */ +){ + JsonCleanup *pTask = sqlite3_malloc64( sizeof(*pTask) ); + if( pTask==0 ){ + pParse->oom = 1; + xOp(pArg); + return SQLITE_ERROR; + } + pTask->pJCNext = pParse->pClup; + pParse->pClup = pTask; + pTask->xOp = xOp; + pTask->pArg = pArg; + return SQLITE_OK; } /* @@ -200243,32 +201939,38 @@ static void jsonParseFree(JsonParse *pParse){ ** the number of JsonNode objects that are encoded. */ static void jsonRenderNode( + JsonParse *pParse, /* the complete parse of the JSON */ JsonNode *pNode, /* The node to render */ - JsonString *pOut, /* Write JSON here */ - sqlite3_value **aReplace /* Replacement values */ + JsonString *pOut /* Write JSON here */ ){ assert( pNode!=0 ); - if( pNode->jnFlags & (JNODE_REPLACE|JNODE_PATCH) ){ - if( (pNode->jnFlags & JNODE_REPLACE)!=0 && ALWAYS(aReplace!=0) ){ - assert( pNode->eU==4 ); - jsonAppendValue(pOut, aReplace[pNode->u.iReplace]); - return; + while( (pNode->jnFlags & JNODE_REPLACE)!=0 && pParse->useMod ){ + u32 idx = (u32)(pNode - pParse->aNode); + u32 i = pParse->iSubst; + while( 1 /*exit-by-break*/ ){ + assert( inNode ); + assert( pParse->aNode[i].eType==JSON_SUBST ); + assert( pParse->aNode[i].eU==4 ); + assert( pParse->aNode[i].u.iPrevaNode[i].n==idx ){ + pNode = &pParse->aNode[i+1]; + break; + } + i = pParse->aNode[i].u.iPrev; } - assert( pNode->eU==5 ); - pNode = pNode->u.pPatch; } switch( pNode->eType ){ default: { assert( pNode->eType==JSON_NULL ); - jsonAppendRaw(pOut, "null", 4); + jsonAppendRawNZ(pOut, "null", 4); break; } case JSON_TRUE: { - jsonAppendRaw(pOut, "true", 4); + jsonAppendRawNZ(pOut, "true", 4); break; } case JSON_FALSE: { - jsonAppendRaw(pOut, "false", 5); + jsonAppendRawNZ(pOut, "false", 5); break; } case JSON_STRING: { @@ -200284,7 +201986,8 @@ static void jsonRenderNode( }else if( pNode->jnFlags & JNODE_JSON5 ){ jsonAppendNormalizedString(pOut, pNode->u.zJContent, pNode->n); }else{ - jsonAppendRaw(pOut, pNode->u.zJContent, pNode->n); + assert( pNode->n>0 ); + jsonAppendRawNZ(pOut, pNode->u.zJContent, pNode->n); } break; } @@ -200293,7 +201996,8 @@ static void jsonRenderNode( if( pNode->jnFlags & JNODE_JSON5 ){ jsonAppendNormalizedReal(pOut, pNode->u.zJContent, pNode->n); }else{ - jsonAppendRaw(pOut, pNode->u.zJContent, pNode->n); + assert( pNode->n>0 ); + jsonAppendRawNZ(pOut, pNode->u.zJContent, pNode->n); } break; } @@ -200302,7 +202006,8 @@ static void jsonRenderNode( if( pNode->jnFlags & JNODE_JSON5 ){ jsonAppendNormalizedInt(pOut, pNode->u.zJContent, pNode->n); }else{ - jsonAppendRaw(pOut, pNode->u.zJContent, pNode->n); + assert( pNode->n>0 ); + jsonAppendRawNZ(pOut, pNode->u.zJContent, pNode->n); } break; } @@ -200311,15 +202016,16 @@ static void jsonRenderNode( jsonAppendChar(pOut, '['); for(;;){ while( j<=pNode->n ){ - if( (pNode[j].jnFlags & JNODE_REMOVE)==0 ){ + if( (pNode[j].jnFlags & JNODE_REMOVE)==0 || pParse->useMod==0 ){ jsonAppendSeparator(pOut); - jsonRenderNode(&pNode[j], pOut, aReplace); + jsonRenderNode(pParse, &pNode[j], pOut); } j += jsonNodeSize(&pNode[j]); } if( (pNode->jnFlags & JNODE_APPEND)==0 ) break; + if( pParse->useMod==0 ) break; assert( pNode->eU==2 ); - pNode = &pNode[pNode->u.iAppend]; + pNode = &pParse->aNode[pNode->u.iAppend]; j = 1; } jsonAppendChar(pOut, ']'); @@ -200330,17 +202036,18 @@ static void jsonRenderNode( jsonAppendChar(pOut, '{'); for(;;){ while( j<=pNode->n ){ - if( (pNode[j+1].jnFlags & JNODE_REMOVE)==0 ){ + if( (pNode[j+1].jnFlags & JNODE_REMOVE)==0 || pParse->useMod==0 ){ jsonAppendSeparator(pOut); - jsonRenderNode(&pNode[j], pOut, aReplace); + jsonRenderNode(pParse, &pNode[j], pOut); jsonAppendChar(pOut, ':'); - jsonRenderNode(&pNode[j+1], pOut, aReplace); + jsonRenderNode(pParse, &pNode[j+1], pOut); } j += 1 + jsonNodeSize(&pNode[j+1]); } if( (pNode->jnFlags & JNODE_APPEND)==0 ) break; + if( pParse->useMod==0 ) break; assert( pNode->eU==2 ); - pNode = &pNode[pNode->u.iAppend]; + pNode = &pParse->aNode[pNode->u.iAppend]; j = 1; } jsonAppendChar(pOut, '}'); @@ -200350,18 +202057,29 @@ static void jsonRenderNode( } /* -** Return a JsonNode and all its descendents as a JSON string. +** Return a JsonNode and all its descendants as a JSON string. */ static void jsonReturnJson( + JsonParse *pParse, /* The complete JSON */ JsonNode *pNode, /* Node to return */ sqlite3_context *pCtx, /* Return value for this function */ - sqlite3_value **aReplace /* Array of replacement values */ + int bGenerateAlt /* Also store the rendered text in zAlt */ ){ JsonString s; - jsonInit(&s, pCtx); - jsonRenderNode(pNode, &s, aReplace); - jsonResult(&s); - sqlite3_result_subtype(pCtx, JSON_SUBTYPE); + if( pParse->oom ){ + sqlite3_result_error_nomem(pCtx); + return; + } + if( pParse->nErr==0 ){ + jsonInit(&s, pCtx); + jsonRenderNode(pParse, pNode, &s); + if( bGenerateAlt && pParse->zAlt==0 && jsonForceRCStr(&s) ){ + pParse->zAlt = sqlite3RCStrRef(s.zBuf); + pParse->nAlt = s.nUsed; + } + jsonResult(&s); + sqlite3_result_subtype(pCtx, JSON_SUBTYPE); + } } /* @@ -200399,9 +202117,9 @@ static u32 jsonHexToInt4(const char *z){ ** Make the JsonNode the return value of the function. */ static void jsonReturn( + JsonParse *pParse, /* Complete JSON parse tree */ JsonNode *pNode, /* Node to return */ - sqlite3_context *pCtx, /* Return value for this function */ - sqlite3_value **aReplace /* Array of replacement values */ + sqlite3_context *pCtx /* Return value for this function */ ){ switch( pNode->eType ){ default: { @@ -200423,7 +202141,6 @@ static void jsonReturn( int bNeg = 0; const char *z; - assert( pNode->eU==1 ); z = pNode->u.zJContent; if( z[0]=='-' ){ z++; bNeg = 1; } @@ -200548,7 +202265,7 @@ static void jsonReturn( } case JSON_ARRAY: case JSON_OBJECT: { - jsonReturnJson(pNode, pCtx, aReplace); + jsonReturnJson(pParse, pNode, pCtx, 0); break; } } @@ -200570,6 +202287,12 @@ static int jsonParseAddNode(JsonParse*,u32,u32,const char*); #endif +/* +** Add a single node to pParse->aNode after first expanding the +** size of the aNode array. Return the index of the new node. +** +** If an OOM error occurs, set pParse->oom and return -1. +*/ static JSON_NOINLINE int jsonParseAddNodeExpand( JsonParse *pParse, /* Append the node to this object */ u32 eType, /* Node type */ @@ -200586,7 +202309,7 @@ static JSON_NOINLINE int jsonParseAddNodeExpand( pParse->oom = 1; return -1; } - pParse->nAlloc = nNew; + pParse->nAlloc = sqlite3_msize(pNew)/sizeof(JsonNode); pParse->aNode = pNew; assert( pParse->nNodenAlloc ); return jsonParseAddNode(pParse, eType, n, zContent); @@ -200604,10 +202327,13 @@ static int jsonParseAddNode( const char *zContent /* Content */ ){ JsonNode *p; - if( pParse->aNode==0 || pParse->nNode>=pParse->nAlloc ){ + assert( pParse->aNode!=0 || pParse->nNode>=pParse->nAlloc ); + if( pParse->nNode>=pParse->nAlloc ){ return jsonParseAddNodeExpand(pParse, eType, n, zContent); } + assert( pParse->aNode!=0 ); p = &pParse->aNode[pParse->nNode]; + assert( p!=0 ); p->eType = (u8)(eType & 0xff); p->jnFlags = (u8)(eType >> 8); VVA( p->eU = zContent ? 1 : 0 ); @@ -200616,6 +202342,52 @@ static int jsonParseAddNode( return pParse->nNode++; } +/* +** Add an array of new nodes to the current pParse->aNode array. +** Return the index of the first node added. +** +** If an OOM error occurs, set pParse->oom. +*/ +static void jsonParseAddNodeArray( + JsonParse *pParse, /* Append the node to this object */ + JsonNode *aNode, /* Array of nodes to add */ + u32 nNode /* Number of elements in aNew */ +){ + assert( aNode!=0 ); + assert( nNode>=1 ); + if( pParse->nNode + nNode > pParse->nAlloc ){ + u32 nNew = pParse->nNode + nNode; + JsonNode *aNew = sqlite3_realloc64(pParse->aNode, nNew*sizeof(JsonNode)); + if( aNew==0 ){ + pParse->oom = 1; + return; + } + pParse->nAlloc = sqlite3_msize(aNew)/sizeof(JsonNode); + pParse->aNode = aNew; + } + memcpy(&pParse->aNode[pParse->nNode], aNode, nNode*sizeof(JsonNode)); + pParse->nNode += nNode; +} + +/* +** Add a new JSON_SUBST node. The node immediately following +** this new node will be the substitute content for iNode. +*/ +static int jsonParseAddSubstNode( + JsonParse *pParse, /* Add the JSON_SUBST here */ + u32 iNode /* References this node */ +){ + int idx = jsonParseAddNode(pParse, JSON_SUBST, iNode, 0); + if( pParse->oom ) return -1; + pParse->aNode[iNode].jnFlags |= JNODE_REPLACE; + pParse->aNode[idx].eU = 4; + pParse->aNode[idx].u.iPrev = pParse->iSubst; + pParse->iSubst = idx; + pParse->hasMod = 1; + pParse->useMod = 1; + return idx; +} + /* ** Return true if z[] begins with 2 (or more) hexadecimal digits */ @@ -200782,7 +202554,7 @@ static const struct NanInfName { ** ** Special return values: ** -** 0 End if input +** 0 End of input ** -1 Syntax error ** -2 '}' seen ** -3 ']' seen @@ -200957,15 +202729,12 @@ json_parse_restart: jnFlags = 0; parse_string: cDelim = z[i]; - j = i+1; - for(;;){ + for(j=i+1; 1; j++){ + if( jsonIsOk[(unsigned char)z[j]] ) continue; c = z[j]; - if( (c & ~0x1f)==0 ){ - /* Control characters are not allowed in strings */ - pParse->iErr = j; - return -1; - } - if( c=='\\' ){ + if( c==cDelim ){ + break; + }else if( c=='\\' ){ c = z[++j]; if( c=='"' || c=='\\' || c=='/' || c=='b' || c=='f' || c=='n' || c=='r' || c=='t' @@ -200985,10 +202754,11 @@ json_parse_restart: pParse->iErr = j; return -1; } - }else if( c==cDelim ){ - break; + }else if( c<=0x1f ){ + /* Control characters are not allowed in strings */ + pParse->iErr = j; + return -1; } - j++; } jsonParseAddNode(pParse, JSON_STRING | (jnFlags<<8), j+1-i, &z[i]); return j+1; @@ -201224,20 +202994,18 @@ json_parse_restart: /* ** Parse a complete JSON string. Return 0 on success or non-zero if there -** are any errors. If an error occurs, free all memory associated with -** pParse. +** are any errors. If an error occurs, free all memory held by pParse, +** but not pParse itself. ** -** pParse is uninitialized when this routine is called. +** pParse must be initialized to an empty parse object prior to calling +** this routine. */ static int jsonParse( JsonParse *pParse, /* Initialize and fill this JsonParse object */ - sqlite3_context *pCtx, /* Report errors here */ - const char *zJson /* Input JSON text to be parsed */ + sqlite3_context *pCtx /* Report errors here */ ){ int i; - memset(pParse, 0, sizeof(*pParse)); - if( zJson==0 ) return 1; - pParse->zJson = zJson; + const char *zJson = pParse->zJson; i = jsonParseValue(pParse, 0); if( pParse->oom ) i = -1; if( i>0 ){ @@ -201266,6 +203034,7 @@ static int jsonParse( return 0; } + /* Mark node i of pParse as being a child of iParent. Call recursively ** to fill in all the descendants of node i. */ @@ -201315,35 +203084,49 @@ static int jsonParseFindParents(JsonParse *pParse){ #define JSON_CACHE_SZ 4 /* Max number of cache entries */ /* -** Obtain a complete parse of the JSON found in the first argument -** of the argv array. Use the sqlite3_get_auxdata() cache for this -** parse if it is available. If the cache is not available or if it -** is no longer valid, parse the JSON again and return the new parse, -** and also register the new parse so that it will be available for +** Obtain a complete parse of the JSON found in the pJson argument +** +** Use the sqlite3_get_auxdata() cache to find a preexisting parse +** if it is available. If the cache is not available or if it +** is no longer valid, parse the JSON again and return the new parse. +** Also register the new parse so that it will be available for ** future sqlite3_get_auxdata() calls. ** ** If an error occurs and pErrCtx!=0 then report the error on pErrCtx ** and return NULL. ** -** If an error occurs and pErrCtx==0 then return the Parse object with -** JsonParse.nErr non-zero. If the caller invokes this routine with -** pErrCtx==0 and it gets back a JsonParse with nErr!=0, then the caller -** is responsible for invoking jsonParseFree() on the returned value. -** But the caller may invoke jsonParseFree() *only* if pParse->nErr!=0. +** The returned pointer (if it is not NULL) is owned by the cache in +** most cases, not the caller. The caller does NOT need to invoke +** jsonParseFree(), in most cases. +** +** Except, if an error occurs and pErrCtx==0 then return the JsonParse +** object with JsonParse.nErr non-zero and the caller will own the JsonParse +** object. In that case, it will be the responsibility of the caller to +** invoke jsonParseFree(). To summarize: +** +** pErrCtx!=0 || p->nErr==0 ==> Return value p is owned by the +** cache. Call does not need to +** free it. +** +** pErrCtx==0 && p->nErr!=0 ==> Return value is owned by the caller +** and so the caller must free it. */ static JsonParse *jsonParseCached( - sqlite3_context *pCtx, - sqlite3_value **argv, - sqlite3_context *pErrCtx + sqlite3_context *pCtx, /* Context to use for cache search */ + sqlite3_value *pJson, /* Function param containing JSON text */ + sqlite3_context *pErrCtx, /* Write parse errors here if not NULL */ + int bUnedited /* No prior edits allowed */ ){ - const char *zJson = (const char*)sqlite3_value_text(argv[0]); - int nJson = sqlite3_value_bytes(argv[0]); + char *zJson = (char*)sqlite3_value_text(pJson); + int nJson = sqlite3_value_bytes(pJson); JsonParse *p; JsonParse *pMatch = 0; int iKey; int iMinKey = 0; u32 iMinHold = 0xffffffff; u32 iMaxHold = 0; + int bJsonRCStr; + if( zJson==0 ) return 0; for(iKey=0; iKeynJson==nJson - && memcmp(p->zJson,zJson,nJson)==0 + && (p->hasMod==0 || bUnedited==0) + && (p->zJson==zJson || memcmp(p->zJson,zJson,nJson)==0) ){ p->nErr = 0; + p->useMod = 0; + pMatch = p; + }else + if( pMatch==0 + && p->zAlt!=0 + && bUnedited==0 + && p->nAlt==nJson + && memcmp(p->zAlt, zJson, nJson)==0 + ){ + p->nErr = 0; + p->useMod = 1; pMatch = p; }else if( p->iHoldiHold; @@ -201366,28 +203161,44 @@ static JsonParse *jsonParseCached( } } if( pMatch ){ + /* The input JSON text was found in the cache. Use the preexisting + ** parse of this JSON */ pMatch->nErr = 0; pMatch->iHold = iMaxHold+1; + assert( pMatch->nJPRef>0 ); /* pMatch is owned by the cache */ return pMatch; } - p = sqlite3_malloc64( sizeof(*p) + nJson + 1 ); + + /* The input JSON was not found anywhere in the cache. We will need + ** to parse it ourselves and generate a new JsonParse object. + */ + bJsonRCStr = sqlite3ValueIsOfClass(pJson,(void(*)(void*))sqlite3RCStrUnref); + p = sqlite3_malloc64( sizeof(*p) + (bJsonRCStr ? 0 : nJson+1) ); if( p==0 ){ sqlite3_result_error_nomem(pCtx); return 0; } memset(p, 0, sizeof(*p)); - p->zJson = (char*)&p[1]; - memcpy((char*)p->zJson, zJson, nJson+1); - if( jsonParse(p, pErrCtx, p->zJson) ){ + if( bJsonRCStr ){ + p->zJson = sqlite3RCStrRef(zJson); + p->bJsonIsRCStr = 1; + }else{ + p->zJson = (char*)&p[1]; + memcpy(p->zJson, zJson, nJson+1); + } + p->nJPRef = 1; + if( jsonParse(p, pErrCtx) ){ if( pErrCtx==0 ){ p->nErr = 1; + assert( p->nJPRef==1 ); /* Caller will own the new JsonParse object p */ return p; } - sqlite3_free(p); + jsonParseFree(p); return 0; } p->nJson = nJson; p->iHold = iMaxHold+1; + /* Transfer ownership of the new JsonParse to the cache */ sqlite3_set_auxdata(pCtx, JSON_CACHE_ID+iMinKey, p, (void(*)(void*))jsonParseFree); return (JsonParse*)sqlite3_get_auxdata(pCtx, JSON_CACHE_ID+iMinKey); @@ -201438,9 +203249,31 @@ static JsonNode *jsonLookupStep( ){ u32 i, j, nKey; const char *zKey; - JsonNode *pRoot = &pParse->aNode[iRoot]; + JsonNode *pRoot; + if( pParse->oom ) return 0; + pRoot = &pParse->aNode[iRoot]; + if( pRoot->jnFlags & (JNODE_REPLACE|JNODE_REMOVE) && pParse->useMod ){ + while( (pRoot->jnFlags & JNODE_REPLACE)!=0 ){ + u32 idx = (u32)(pRoot - pParse->aNode); + i = pParse->iSubst; + while( 1 /*exit-by-break*/ ){ + assert( inNode ); + assert( pParse->aNode[i].eType==JSON_SUBST ); + assert( pParse->aNode[i].eU==4 ); + assert( pParse->aNode[i].u.iPrevaNode[i].n==idx ){ + pRoot = &pParse->aNode[i+1]; + iRoot = i+1; + break; + } + i = pParse->aNode[i].u.iPrev; + } + } + if( pRoot->jnFlags & JNODE_REMOVE ){ + return 0; + } + } if( zPath[0]==0 ) return pRoot; - if( pRoot->jnFlags & JNODE_REPLACE ) return 0; if( zPath[0]=='.' ){ if( pRoot->eType!=JSON_OBJECT ) return 0; zPath++; @@ -201474,14 +203307,16 @@ static JsonNode *jsonLookupStep( j += jsonNodeSize(&pRoot[j]); } if( (pRoot->jnFlags & JNODE_APPEND)==0 ) break; + if( pParse->useMod==0 ) break; assert( pRoot->eU==2 ); - iRoot += pRoot->u.iAppend; + iRoot = pRoot->u.iAppend; pRoot = &pParse->aNode[iRoot]; j = 1; } if( pApnd ){ u32 iStart, iLabel; JsonNode *pNode; + assert( pParse->useMod ); iStart = jsonParseAddNode(pParse, JSON_OBJECT, 2, 0); iLabel = jsonParseAddNode(pParse, JSON_STRING, nKey, zKey); zPath += i; @@ -201490,7 +203325,7 @@ static JsonNode *jsonLookupStep( if( pNode ){ pRoot = &pParse->aNode[iRoot]; assert( pRoot->eU==0 ); - pRoot->u.iAppend = iStart - iRoot; + pRoot->u.iAppend = iStart; pRoot->jnFlags |= JNODE_APPEND; VVA( pRoot->eU = 2 ); pParse->aNode[iLabel].jnFlags |= JNODE_RAW; @@ -201511,12 +203346,13 @@ static JsonNode *jsonLookupStep( if( pRoot->eType!=JSON_ARRAY ) return 0; for(;;){ while( j<=pBase->n ){ - if( (pBase[j].jnFlags & JNODE_REMOVE)==0 ) i++; + if( (pBase[j].jnFlags & JNODE_REMOVE)==0 || pParse->useMod==0 ) i++; j += jsonNodeSize(&pBase[j]); } if( (pBase->jnFlags & JNODE_APPEND)==0 ) break; + if( pParse->useMod==0 ) break; assert( pBase->eU==2 ); - iBase += pBase->u.iAppend; + iBase = pBase->u.iAppend; pBase = &pParse->aNode[iBase]; j = 1; } @@ -201544,13 +203380,16 @@ static JsonNode *jsonLookupStep( zPath += j + 1; j = 1; for(;;){ - while( j<=pRoot->n && (i>0 || (pRoot[j].jnFlags & JNODE_REMOVE)!=0) ){ - if( (pRoot[j].jnFlags & JNODE_REMOVE)==0 ) i--; + while( j<=pRoot->n + && (i>0 || ((pRoot[j].jnFlags & JNODE_REMOVE)!=0 && pParse->useMod)) + ){ + if( (pRoot[j].jnFlags & JNODE_REMOVE)==0 || pParse->useMod==0 ) i--; j += jsonNodeSize(&pRoot[j]); } if( (pRoot->jnFlags & JNODE_APPEND)==0 ) break; + if( pParse->useMod==0 ) break; assert( pRoot->eU==2 ); - iRoot += pRoot->u.iAppend; + iRoot = pRoot->u.iAppend; pRoot = &pParse->aNode[iRoot]; j = 1; } @@ -201560,13 +203399,14 @@ static JsonNode *jsonLookupStep( if( i==0 && pApnd ){ u32 iStart; JsonNode *pNode; + assert( pParse->useMod ); iStart = jsonParseAddNode(pParse, JSON_ARRAY, 1, 0); pNode = jsonLookupAppend(pParse, zPath, pApnd, pzErr); if( pParse->oom ) return 0; if( pNode ){ pRoot = &pParse->aNode[iRoot]; assert( pRoot->eU==0 ); - pRoot->u.iAppend = iStart - iRoot; + pRoot->u.iAppend = iStart; pRoot->jnFlags |= JNODE_APPEND; VVA( pRoot->eU = 2 ); } @@ -201693,47 +203533,90 @@ static void jsonRemoveAllNulls(JsonNode *pNode){ ** SQL functions used for testing and debugging ****************************************************************************/ +#if SQLITE_DEBUG +/* +** Print N node entries. +*/ +static void jsonDebugPrintNodeEntries( + JsonNode *aNode, /* First node entry to print */ + int N /* Number of node entries to print */ +){ + int i; + for(i=0; iaNode, p->nNode); +} +static void jsonDebugPrintNode(JsonNode *pNode){ + jsonDebugPrintNodeEntries(pNode, jsonNodeSize(pNode)); +} +#else + /* The usual case */ +# define jsonDebugPrintNode(X) +# define jsonDebugPrintParse(X) +#endif + #ifdef SQLITE_DEBUG /* -** The json_parse(JSON) function returns a string which describes -** a parse of the JSON provided. Or it returns NULL if JSON is not -** well-formed. +** SQL function: json_parse(JSON) +** +** Parse JSON using jsonParseCached(). Then print a dump of that +** parse on standard output. Return the mimified JSON result, just +** like the json() function. */ static void jsonParseFunc( sqlite3_context *ctx, int argc, sqlite3_value **argv ){ - JsonString s; /* Output string - not real JSON */ - JsonParse x; /* The parse */ - u32 i; + JsonParse *p; /* The parse */ assert( argc==1 ); - if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; - jsonParseFindParents(&x); - jsonInit(&s, ctx); - for(i=0; inNode); + printf("nAlloc = %u\n", p->nAlloc); + printf("nJson = %d\n", p->nJson); + printf("nAlt = %d\n", p->nAlt); + printf("nErr = %u\n", p->nErr); + printf("oom = %u\n", p->oom); + printf("hasNonstd = %u\n", p->hasNonstd); + printf("useMod = %u\n", p->useMod); + printf("hasMod = %u\n", p->hasMod); + printf("nJPRef = %u\n", p->nJPRef); + printf("iSubst = %u\n", p->iSubst); + printf("iHold = %u\n", p->iHold); + jsonDebugPrintNodeEntries(p->aNode, p->nNode); + jsonReturnJson(p, p->aNode, ctx, 1); } /* @@ -201817,7 +203700,7 @@ static void jsonArrayLengthFunc( u32 i; JsonNode *pNode; - p = jsonParseCached(ctx, argv, ctx); + p = jsonParseCached(ctx, argv[0], ctx, 0); if( p==0 ) return; assert( p->nNode ); if( argc==2 ){ @@ -201830,9 +203713,14 @@ static void jsonArrayLengthFunc( return; } if( pNode->eType==JSON_ARRAY ){ - assert( (pNode->jnFlags & JNODE_APPEND)==0 ); - for(i=1; i<=pNode->n; n++){ - i += jsonNodeSize(&pNode[i]); + while( 1 /*exit-by-break*/ ){ + for(i=1; i<=pNode->n; n++){ + i += jsonNodeSize(&pNode[i]); + } + if( (pNode->jnFlags & JNODE_APPEND)==0 ) break; + if( p->useMod==0 ) break; + assert( pNode->eU==2 ); + pNode = &p->aNode[pNode->u.iAppend]; } } sqlite3_result_int64(ctx, n); @@ -201879,7 +203767,7 @@ static void jsonExtractFunc( JsonString jx; if( argc<2 ) return; - p = jsonParseCached(ctx, argv, ctx); + p = jsonParseCached(ctx, argv[0], ctx, 0); if( p==0 ) return; if( argc==2 ){ /* With a single PATH argument */ @@ -201897,11 +203785,11 @@ static void jsonExtractFunc( */ jsonInit(&jx, ctx); if( sqlite3Isdigit(zPath[0]) ){ - jsonAppendRaw(&jx, "$[", 2); + jsonAppendRawNZ(&jx, "$[", 2); jsonAppendRaw(&jx, zPath, (int)strlen(zPath)); - jsonAppendRaw(&jx, "]", 2); + jsonAppendRawNZ(&jx, "]", 2); }else{ - jsonAppendRaw(&jx, "$.", 1 + (zPath[0]!='[')); + jsonAppendRawNZ(&jx, "$.", 1 + (zPath[0]!='[')); jsonAppendRaw(&jx, zPath, (int)strlen(zPath)); jsonAppendChar(&jx, 0); } @@ -201912,15 +203800,15 @@ static void jsonExtractFunc( } if( pNode ){ if( flags & JSON_JSON ){ - jsonReturnJson(pNode, ctx, 0); + jsonReturnJson(p, pNode, ctx, 0); }else{ - jsonReturn(pNode, ctx, 0); + jsonReturn(p, pNode, ctx); sqlite3_result_subtype(ctx, 0); } } }else{ pNode = jsonLookup(p, zPath, 0, ctx); - if( p->nErr==0 && pNode ) jsonReturn(pNode, ctx, 0); + if( p->nErr==0 && pNode ) jsonReturn(p, pNode, ctx); } }else{ /* Two or more PATH arguments results in a JSON array with each @@ -201934,9 +203822,9 @@ static void jsonExtractFunc( if( p->nErr ) break; jsonAppendSeparator(&jx); if( pNode ){ - jsonRenderNode(pNode, &jx, 0); + jsonRenderNode(p, pNode, &jx); }else{ - jsonAppendRaw(&jx, "null", 4); + jsonAppendRawNZ(&jx, "null", 4); } } if( i==argc ){ @@ -201981,45 +203869,38 @@ static JsonNode *jsonMergePatch( assert( pTarget[j].eType==JSON_STRING ); assert( pTarget[j].jnFlags & JNODE_LABEL ); if( jsonSameLabel(&pPatch[i], &pTarget[j]) ){ - if( pTarget[j+1].jnFlags & (JNODE_REMOVE|JNODE_PATCH) ) break; + if( pTarget[j+1].jnFlags & (JNODE_REMOVE|JNODE_REPLACE) ) break; if( pPatch[i+1].eType==JSON_NULL ){ pTarget[j+1].jnFlags |= JNODE_REMOVE; }else{ JsonNode *pNew = jsonMergePatch(pParse, iTarget+j+1, &pPatch[i+1]); if( pNew==0 ) return 0; - pTarget = &pParse->aNode[iTarget]; - if( pNew!=&pTarget[j+1] ){ - assert( pTarget[j+1].eU==0 - || pTarget[j+1].eU==1 - || pTarget[j+1].eU==2 ); - testcase( pTarget[j+1].eU==1 ); - testcase( pTarget[j+1].eU==2 ); - VVA( pTarget[j+1].eU = 5 ); - pTarget[j+1].u.pPatch = pNew; - pTarget[j+1].jnFlags |= JNODE_PATCH; + if( pNew!=&pParse->aNode[iTarget+j+1] ){ + jsonParseAddSubstNode(pParse, iTarget+j+1); + jsonParseAddNodeArray(pParse, pNew, jsonNodeSize(pNew)); } + pTarget = &pParse->aNode[iTarget]; } break; } } if( j>=pTarget->n && pPatch[i+1].eType!=JSON_NULL ){ - int iStart, iPatch; - iStart = jsonParseAddNode(pParse, JSON_OBJECT, 2, 0); + int iStart; + JsonNode *pApnd; + u32 nApnd; + iStart = jsonParseAddNode(pParse, JSON_OBJECT, 0, 0); jsonParseAddNode(pParse, JSON_STRING, nKey, zKey); - iPatch = jsonParseAddNode(pParse, JSON_TRUE, 0, 0); + pApnd = &pPatch[i+1]; + if( pApnd->eType==JSON_OBJECT ) jsonRemoveAllNulls(pApnd); + nApnd = jsonNodeSize(pApnd); + jsonParseAddNodeArray(pParse, pApnd, jsonNodeSize(pApnd)); if( pParse->oom ) return 0; - jsonRemoveAllNulls(pPatch); - pTarget = &pParse->aNode[iTarget]; - assert( pParse->aNode[iRoot].eU==0 || pParse->aNode[iRoot].eU==2 ); - testcase( pParse->aNode[iRoot].eU==2 ); + pParse->aNode[iStart].n = 1+nApnd; pParse->aNode[iRoot].jnFlags |= JNODE_APPEND; + pParse->aNode[iRoot].u.iAppend = iStart; VVA( pParse->aNode[iRoot].eU = 2 ); - pParse->aNode[iRoot].u.iAppend = iStart - iRoot; iRoot = iStart; - assert( pParse->aNode[iPatch].eU==0 ); - VVA( pParse->aNode[iPatch].eU = 5 ); - pParse->aNode[iPatch].jnFlags |= JNODE_PATCH; - pParse->aNode[iPatch].u.pPatch = &pPatch[i+1]; + pTarget = &pParse->aNode[iTarget]; } } return pTarget; @@ -202035,25 +203916,28 @@ static void jsonPatchFunc( int argc, sqlite3_value **argv ){ - JsonParse x; /* The JSON that is being patched */ - JsonParse y; /* The patch */ + JsonParse *pX; /* The JSON that is being patched */ + JsonParse *pY; /* The patch */ JsonNode *pResult; /* The result of the merge */ UNUSED_PARAMETER(argc); - if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; - if( jsonParse(&y, ctx, (const char*)sqlite3_value_text(argv[1])) ){ - jsonParseReset(&x); - return; - } - pResult = jsonMergePatch(&x, 0, y.aNode); - assert( pResult!=0 || x.oom ); - if( pResult ){ - jsonReturnJson(pResult, ctx, 0); + pX = jsonParseCached(ctx, argv[0], ctx, 1); + if( pX==0 ) return; + assert( pX->hasMod==0 ); + pX->hasMod = 1; + pY = jsonParseCached(ctx, argv[1], ctx, 1); + if( pY==0 ) return; + pX->useMod = 1; + pY->useMod = 1; + pResult = jsonMergePatch(pX, 0, pY->aNode); + assert( pResult!=0 || pX->oom ); + if( pResult && pX->oom==0 ){ + jsonDebugPrintParse(pX); + jsonDebugPrintNode(pResult); + jsonReturnJson(pX, pResult, ctx, 0); }else{ sqlite3_result_error_nomem(ctx); } - jsonParseReset(&x); - jsonParseReset(&y); } @@ -202109,26 +203993,118 @@ static void jsonRemoveFunc( int argc, sqlite3_value **argv ){ - JsonParse x; /* The parse */ + JsonParse *pParse; /* The parse */ JsonNode *pNode; const char *zPath; u32 i; if( argc<1 ) return; - if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; - assert( x.nNode ); + pParse = jsonParseCached(ctx, argv[0], ctx, argc>1); + if( pParse==0 ) return; for(i=1; i<(u32)argc; i++){ zPath = (const char*)sqlite3_value_text(argv[i]); if( zPath==0 ) goto remove_done; - pNode = jsonLookup(&x, zPath, 0, ctx); - if( x.nErr ) goto remove_done; - if( pNode ) pNode->jnFlags |= JNODE_REMOVE; + pNode = jsonLookup(pParse, zPath, 0, ctx); + if( pParse->nErr ) goto remove_done; + if( pNode ){ + pNode->jnFlags |= JNODE_REMOVE; + pParse->hasMod = 1; + pParse->useMod = 1; + } } - if( (x.aNode[0].jnFlags & JNODE_REMOVE)==0 ){ - jsonReturnJson(x.aNode, ctx, 0); + if( (pParse->aNode[0].jnFlags & JNODE_REMOVE)==0 ){ + jsonReturnJson(pParse, pParse->aNode, ctx, 1); } remove_done: - jsonParseReset(&x); + jsonDebugPrintParse(p); +} + +/* +** Substitute the value at iNode with the pValue parameter. +*/ +static void jsonReplaceNode( + sqlite3_context *pCtx, + JsonParse *p, + int iNode, + sqlite3_value *pValue +){ + int idx = jsonParseAddSubstNode(p, iNode); + if( idx<=0 ){ + assert( p->oom ); + return; + } + switch( sqlite3_value_type(pValue) ){ + case SQLITE_NULL: { + jsonParseAddNode(p, JSON_NULL, 0, 0); + break; + } + case SQLITE_FLOAT: { + char *z = sqlite3_mprintf("%!0.15g", sqlite3_value_double(pValue)); + int n; + if( z==0 ){ + p->oom = 1; + break; + } + n = sqlite3Strlen30(z); + jsonParseAddNode(p, JSON_REAL, n, z); + jsonParseAddCleanup(p, sqlite3_free, z); + break; + } + case SQLITE_INTEGER: { + char *z = sqlite3_mprintf("%lld", sqlite3_value_int64(pValue)); + int n; + if( z==0 ){ + p->oom = 1; + break; + } + n = sqlite3Strlen30(z); + jsonParseAddNode(p, JSON_INT, n, z); + jsonParseAddCleanup(p, sqlite3_free, z); + + break; + } + case SQLITE_TEXT: { + const char *z = (const char*)sqlite3_value_text(pValue); + u32 n = (u32)sqlite3_value_bytes(pValue); + if( z==0 ){ + p->oom = 1; + break; + } + if( sqlite3_value_subtype(pValue)!=JSON_SUBTYPE ){ + char *zCopy = sqlite3DbStrDup(0, z); + int k; + if( zCopy ){ + jsonParseAddCleanup(p, sqlite3_free, zCopy); + }else{ + p->oom = 1; + sqlite3_result_error_nomem(pCtx); + } + k = jsonParseAddNode(p, JSON_STRING, n, zCopy); + assert( k>0 || p->oom ); + if( p->oom==0 ) p->aNode[k].jnFlags |= JNODE_RAW; + }else{ + JsonParse *pPatch = jsonParseCached(pCtx, pValue, pCtx, 1); + if( pPatch==0 ){ + p->oom = 1; + break; + } + jsonParseAddNodeArray(p, pPatch->aNode, pPatch->nNode); + /* The nodes copied out of pPatch and into p likely contain + ** u.zJContent pointers into pPatch->zJson. So preserve the + ** content of pPatch until p is destroyed. */ + assert( pPatch->nJPRef>=1 ); + pPatch->nJPRef++; + jsonParseAddCleanup(p, (void(*)(void*))jsonParseFree, pPatch); + } + break; + } + default: { + jsonParseAddNode(p, JSON_NULL, 0, 0); + sqlite3_result_error(pCtx, "JSON cannot hold BLOB values", -1); + p->nErr++; + break; + } + } } /* @@ -202142,7 +204118,7 @@ static void jsonReplaceFunc( int argc, sqlite3_value **argv ){ - JsonParse x; /* The parse */ + JsonParse *pParse; /* The parse */ JsonNode *pNode; const char *zPath; u32 i; @@ -202152,28 +204128,20 @@ static void jsonReplaceFunc( jsonWrongNumArgs(ctx, "replace"); return; } - if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; - assert( x.nNode ); + pParse = jsonParseCached(ctx, argv[0], ctx, argc>1); + if( pParse==0 ) return; for(i=1; i<(u32)argc; i+=2){ zPath = (const char*)sqlite3_value_text(argv[i]); - pNode = jsonLookup(&x, zPath, 0, ctx); - if( x.nErr ) goto replace_err; + pParse->useMod = 1; + pNode = jsonLookup(pParse, zPath, 0, ctx); + if( pParse->nErr ) goto replace_err; if( pNode ){ - assert( pNode->eU==0 || pNode->eU==1 || pNode->eU==4 ); - testcase( pNode->eU!=0 && pNode->eU!=1 ); - pNode->jnFlags |= (u8)JNODE_REPLACE; - VVA( pNode->eU = 4 ); - pNode->u.iReplace = i + 1; + jsonReplaceNode(ctx, pParse, (u32)(pNode - pParse->aNode), argv[i+1]); } } - if( x.aNode[0].jnFlags & JNODE_REPLACE ){ - assert( x.aNode[0].eU==4 ); - sqlite3_result_value(ctx, argv[x.aNode[0].u.iReplace]); - }else{ - jsonReturnJson(x.aNode, ctx, argv); - } + jsonReturnJson(pParse, pParse->aNode, ctx, 1); replace_err: - jsonParseReset(&x); + jsonDebugPrintParse(pParse); } @@ -202194,7 +204162,7 @@ static void jsonSetFunc( int argc, sqlite3_value **argv ){ - JsonParse x; /* The parse */ + JsonParse *pParse; /* The parse */ JsonNode *pNode; const char *zPath; u32 i; @@ -202206,33 +204174,27 @@ static void jsonSetFunc( jsonWrongNumArgs(ctx, bIsSet ? "set" : "insert"); return; } - if( jsonParse(&x, ctx, (const char*)sqlite3_value_text(argv[0])) ) return; - assert( x.nNode ); + pParse = jsonParseCached(ctx, argv[0], ctx, argc>1); + if( pParse==0 ) return; for(i=1; i<(u32)argc; i+=2){ zPath = (const char*)sqlite3_value_text(argv[i]); bApnd = 0; - pNode = jsonLookup(&x, zPath, &bApnd, ctx); - if( x.oom ){ + pParse->useMod = 1; + pNode = jsonLookup(pParse, zPath, &bApnd, ctx); + if( pParse->oom ){ sqlite3_result_error_nomem(ctx); goto jsonSetDone; - }else if( x.nErr ){ + }else if( pParse->nErr ){ goto jsonSetDone; }else if( pNode && (bApnd || bIsSet) ){ - testcase( pNode->eU!=0 && pNode->eU!=1 ); - assert( pNode->eU!=3 && pNode->eU!=5 ); - VVA( pNode->eU = 4 ); - pNode->jnFlags |= (u8)JNODE_REPLACE; - pNode->u.iReplace = i + 1; + jsonReplaceNode(ctx, pParse, (u32)(pNode - pParse->aNode), argv[i+1]); } } - if( x.aNode[0].jnFlags & JNODE_REPLACE ){ - assert( x.aNode[0].eU==4 ); - sqlite3_result_value(ctx, argv[x.aNode[0].u.iReplace]); - }else{ - jsonReturnJson(x.aNode, ctx, argv); - } + jsonDebugPrintParse(pParse); + jsonReturnJson(pParse, pParse->aNode, ctx, 1); + jsonSetDone: - jsonParseReset(&x); + /* no cleanup required */; } /* @@ -202251,7 +204213,7 @@ static void jsonTypeFunc( const char *zPath; JsonNode *pNode; - p = jsonParseCached(ctx, argv, ctx); + p = jsonParseCached(ctx, argv[0], ctx, 0); if( p==0 ) return; if( argc==2 ){ zPath = (const char*)sqlite3_value_text(argv[1]); @@ -202277,13 +204239,19 @@ static void jsonValidFunc( ){ JsonParse *p; /* The parse */ UNUSED_PARAMETER(argc); - if( sqlite3_value_type(argv[0])==SQLITE_NULL ) return; - p = jsonParseCached(ctx, argv, 0); + if( sqlite3_value_type(argv[0])==SQLITE_NULL ){ +#ifdef SQLITE_LEGACY_JSON_VALID + /* Incorrect legacy behavior was to return FALSE for a NULL input */ + sqlite3_result_int(ctx, 0); +#endif + return; + } + p = jsonParseCached(ctx, argv[0], 0, 0); if( p==0 || p->oom ){ sqlite3_result_error_nomem(ctx); sqlite3_free(p); }else{ - sqlite3_result_int(ctx, p->nErr==0 && p->hasNonstd==0); + sqlite3_result_int(ctx, p->nErr==0 && (p->hasNonstd==0 || p->useMod)); if( p->nErr ) jsonParseFree(p); } } @@ -202324,7 +204292,7 @@ static void jsonErrorFunc( JsonParse *p; /* The parse */ UNUSED_PARAMETER(argc); if( sqlite3_value_type(argv[0])==SQLITE_NULL ) return; - p = jsonParseCached(ctx, argv, 0); + p = jsonParseCached(ctx, argv[0], 0, 0); if( p==0 || p->oom ){ sqlite3_result_error_nomem(ctx); sqlite3_free(p); @@ -202333,7 +204301,7 @@ static void jsonErrorFunc( }else{ int n = 1; u32 i; - const char *z = p->zJson; + const char *z = (const char*)sqlite3_value_text(argv[0]); for(i=0; iiErr && ALWAYS(z[i]); i++){ if( (z[i]&0xc0)!=0x80 ) n++; } @@ -202381,7 +204349,8 @@ static void jsonArrayCompute(sqlite3_context *ctx, int isFinal){ assert( pStr->bStatic ); }else if( isFinal ){ sqlite3_result_text(ctx, pStr->zBuf, (int)pStr->nUsed, - pStr->bStatic ? SQLITE_TRANSIENT : sqlite3_free); + pStr->bStatic ? SQLITE_TRANSIENT : + (void(*)(void*))sqlite3RCStrUnref); pStr->bStatic = 1; }else{ sqlite3_result_text(ctx, pStr->zBuf, (int)pStr->nUsed, SQLITE_TRANSIENT); @@ -202422,7 +204391,7 @@ static void jsonGroupInverse( pStr = (JsonString*)sqlite3_aggregate_context(ctx, 0); #ifdef NEVER /* pStr is always non-NULL since jsonArrayStep() or jsonObjectStep() will - ** always have been called to initalize it */ + ** always have been called to initialize it */ if( NEVER(!pStr) ) return; #endif z = pStr->zBuf; @@ -202489,7 +204458,8 @@ static void jsonObjectCompute(sqlite3_context *ctx, int isFinal){ assert( pStr->bStatic ); }else if( isFinal ){ sqlite3_result_text(ctx, pStr->zBuf, (int)pStr->nUsed, - pStr->bStatic ? SQLITE_TRANSIENT : sqlite3_free); + pStr->bStatic ? SQLITE_TRANSIENT : + (void(*)(void*))sqlite3RCStrUnref); pStr->bStatic = 1; }else{ sqlite3_result_text(ctx, pStr->zBuf, (int)pStr->nUsed, SQLITE_TRANSIENT); @@ -202600,7 +204570,6 @@ static int jsonEachOpenTree(sqlite3_vtab *p, sqlite3_vtab_cursor **ppCursor){ /* Reset a JsonEachCursor back to its original state. Free any memory ** held. */ static void jsonEachCursorReset(JsonEachCursor *p){ - sqlite3_free(p->zJson); sqlite3_free(p->zRoot); jsonParseReset(&p->sParse); p->iRowid = 0; @@ -202738,7 +204707,7 @@ static int jsonEachColumn( case JEACH_KEY: { if( p->i==0 ) break; if( p->eType==JSON_OBJECT ){ - jsonReturn(pThis, ctx, 0); + jsonReturn(&p->sParse, pThis, ctx); }else if( p->eType==JSON_ARRAY ){ u32 iKey; if( p->bRecursive ){ @@ -202754,7 +204723,7 @@ static int jsonEachColumn( } case JEACH_VALUE: { if( pThis->jnFlags & JNODE_LABEL ) pThis++; - jsonReturn(pThis, ctx, 0); + jsonReturn(&p->sParse, pThis, ctx); break; } case JEACH_TYPE: { @@ -202765,7 +204734,7 @@ static int jsonEachColumn( case JEACH_ATOM: { if( pThis->jnFlags & JNODE_LABEL ) pThis++; if( pThis->eType>=JSON_ARRAY ) break; - jsonReturn(pThis, ctx, 0); + jsonReturn(&p->sParse, pThis, ctx); break; } case JEACH_ID: { @@ -202920,11 +204889,19 @@ static int jsonEachFilter( if( idxNum==0 ) return SQLITE_OK; z = (const char*)sqlite3_value_text(argv[0]); if( z==0 ) return SQLITE_OK; - n = sqlite3_value_bytes(argv[0]); - p->zJson = sqlite3_malloc64( n+1 ); - if( p->zJson==0 ) return SQLITE_NOMEM; - memcpy(p->zJson, z, (size_t)n+1); - if( jsonParse(&p->sParse, 0, p->zJson) ){ + memset(&p->sParse, 0, sizeof(p->sParse)); + p->sParse.nJPRef = 1; + if( sqlite3ValueIsOfClass(argv[0], (void(*)(void*))sqlite3RCStrUnref) ){ + p->sParse.zJson = sqlite3RCStrRef((char*)z); + }else{ + n = sqlite3_value_bytes(argv[0]); + p->sParse.zJson = sqlite3RCStrNew( n+1 ); + if( p->sParse.zJson==0 ) return SQLITE_NOMEM; + memcpy(p->sParse.zJson, z, (size_t)n+1); + } + p->sParse.bJsonIsRCStr = 1; + p->zJson = p->sParse.zJson; + if( jsonParse(&p->sParse, 0) ){ int rc = SQLITE_NOMEM; if( p->sParse.oom==0 ){ sqlite3_free(cur->pVtab->zErrMsg); @@ -203202,6 +205179,11 @@ typedef unsigned int u32; #endif #endif /* !defined(SQLITE_AMALGAMATION) */ +/* Macro to check for 4-byte alignment. Only used inside of assert() */ +#ifdef SQLITE_DEBUG +# define FOUR_BYTE_ALIGNED(X) ((((char*)(X) - (char*)0) & 3)==0) +#endif + /* #include */ /* #include */ /* #include */ @@ -203608,7 +205590,7 @@ static int readInt16(u8 *p){ return (p[0]<<8) + p[1]; } static void readCoord(u8 *p, RtreeCoord *pCoord){ - assert( (((sqlite3_uint64)p)&3)==0 ); /* p is always 4-byte aligned */ + assert( FOUR_BYTE_ALIGNED(p) ); #if SQLITE_BYTEORDER==1234 && MSVC_VERSION>=1300 pCoord->u = _byteswap_ulong(*(u32*)p); #elif SQLITE_BYTEORDER==1234 && GCC_VERSION>=4003000 @@ -203662,7 +205644,7 @@ static void writeInt16(u8 *p, int i){ } static int writeCoord(u8 *p, RtreeCoord *pCoord){ u32 i; - assert( (((sqlite3_uint64)p)&3)==0 ); /* p is always 4-byte aligned */ + assert( FOUR_BYTE_ALIGNED(p) ); assert( sizeof(RtreeCoord)==4 ); assert( sizeof(u32)==4 ); #if SQLITE_BYTEORDER==1234 && GCC_VERSION>=4003000 @@ -204390,7 +206372,7 @@ static void rtreeNonleafConstraint( assert(p->op==RTREE_LE || p->op==RTREE_LT || p->op==RTREE_GE || p->op==RTREE_GT || p->op==RTREE_EQ || p->op==RTREE_TRUE || p->op==RTREE_FALSE ); - assert( (((sqlite3_uint64)pCellData)&3)==0 ); /* 4-byte aligned */ + assert( FOUR_BYTE_ALIGNED(pCellData) ); switch( p->op ){ case RTREE_TRUE: return; /* Always satisfied */ case RTREE_FALSE: break; /* Never satisfied */ @@ -204443,7 +206425,7 @@ static void rtreeLeafConstraint( || p->op==RTREE_GT || p->op==RTREE_EQ || p->op==RTREE_TRUE || p->op==RTREE_FALSE ); pCellData += 8 + p->iCoord*4; - assert( (((sqlite3_uint64)pCellData)&3)==0 ); /* 4-byte aligned */ + assert( FOUR_BYTE_ALIGNED(pCellData) ); RTREE_DECODE_COORD(eInt, pCellData, xN); switch( p->op ){ case RTREE_TRUE: return; /* Always satisfied */ @@ -205013,7 +206995,20 @@ static int rtreeFilter( p->pInfo->nCoord = pRtree->nDim2; p->pInfo->anQueue = pCsr->anQueue; p->pInfo->mxLevel = pRtree->iDepth + 1; - }else if( eType==SQLITE_INTEGER || eType==SQLITE_FLOAT ){ + }else if( eType==SQLITE_INTEGER ){ + sqlite3_int64 iVal = sqlite3_value_int64(argv[ii]); +#ifdef SQLITE_RTREE_INT_ONLY + p->u.rValue = iVal; +#else + p->u.rValue = (double)iVal; + if( iVal>=((sqlite3_int64)1)<<48 + || iVal<=-(((sqlite3_int64)1)<<48) + ){ + if( p->op==RTREE_LT ) p->op = RTREE_LE; + if( p->op==RTREE_GT ) p->op = RTREE_GE; + } +#endif + }else if( eType==SQLITE_FLOAT ){ #ifdef SQLITE_RTREE_INT_ONLY p->u.rValue = sqlite3_value_int64(argv[ii]); #else @@ -205144,11 +207139,12 @@ static int rtreeBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ || p->op==SQLITE_INDEX_CONSTRAINT_MATCH) ){ u8 op; + u8 doOmit = 1; switch( p->op ){ - case SQLITE_INDEX_CONSTRAINT_EQ: op = RTREE_EQ; break; - case SQLITE_INDEX_CONSTRAINT_GT: op = RTREE_GT; break; + case SQLITE_INDEX_CONSTRAINT_EQ: op = RTREE_EQ; doOmit = 0; break; + case SQLITE_INDEX_CONSTRAINT_GT: op = RTREE_GT; doOmit = 0; break; case SQLITE_INDEX_CONSTRAINT_LE: op = RTREE_LE; break; - case SQLITE_INDEX_CONSTRAINT_LT: op = RTREE_LT; break; + case SQLITE_INDEX_CONSTRAINT_LT: op = RTREE_LT; doOmit = 0; break; case SQLITE_INDEX_CONSTRAINT_GE: op = RTREE_GE; break; case SQLITE_INDEX_CONSTRAINT_MATCH: op = RTREE_MATCH; break; default: op = 0; break; @@ -205157,7 +207153,7 @@ static int rtreeBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ zIdxStr[iIdx++] = op; zIdxStr[iIdx++] = (char)(p->iColumn - 1 + '0'); pIdxInfo->aConstraintUsage[ii].argvIndex = (iIdx/2); - pIdxInfo->aConstraintUsage[ii].omit = 1; + pIdxInfo->aConstraintUsage[ii].omit = doOmit; } } } @@ -218645,6 +220641,7 @@ static int sessionPreupdateEqual( rc = pSession->hook.xOld(pSession->hook.pCtx, iCol, &pVal); } assert( rc==SQLITE_OK ); + (void)rc; /* Suppress warning about unused variable */ if( sqlite3_value_type(pVal)!=eType ) return 0; /* A SessionChange object never has a NULL value in a PK column */ @@ -224060,7 +226057,7 @@ struct Fts5PhraseIter { ** See xPhraseFirstColumn above. */ struct Fts5ExtensionApi { - int iVersion; /* Currently always set to 3 */ + int iVersion; /* Currently always set to 2 */ void *(*xUserData)(Fts5Context*); @@ -224289,8 +226286,8 @@ struct Fts5ExtensionApi { ** as separate queries of the FTS index are required for each synonym. ** ** When using methods (2) or (3), it is important that the tokenizer only -** provide synonyms when tokenizing document text (method (2)) or query -** text (method (3)), not both. Doing so will not cause any errors, but is +** provide synonyms when tokenizing document text (method (3)) or query +** text (method (2)), not both. Doing so will not cause any errors, but is ** inefficient. */ typedef struct Fts5Tokenizer Fts5Tokenizer; @@ -224338,7 +226335,7 @@ struct fts5_api { int (*xCreateTokenizer)( fts5_api *pApi, const char *zName, - void *pContext, + void *pUserData, fts5_tokenizer *pTokenizer, void (*xDestroy)(void*) ); @@ -224347,7 +226344,7 @@ struct fts5_api { int (*xFindTokenizer)( fts5_api *pApi, const char *zName, - void **ppContext, + void **ppUserData, fts5_tokenizer *pTokenizer ); @@ -224355,7 +226352,7 @@ struct fts5_api { int (*xCreateFunction)( fts5_api *pApi, const char *zName, - void *pContext, + void *pUserData, fts5_extension_function xFunction, void (*xDestroy)(void*) ); @@ -224527,6 +226524,10 @@ typedef struct Fts5Config Fts5Config; ** attempt to merge together. A value of 1 sets the object to use the ** compile time default. Zero disables auto-merge altogether. ** +** bContentlessDelete: +** True if the contentless_delete option was present in the CREATE +** VIRTUAL TABLE statement. +** ** zContent: ** ** zContentRowid: @@ -224561,6 +226562,7 @@ struct Fts5Config { int nPrefix; /* Number of prefix indexes */ int *aPrefix; /* Sizes in bytes of nPrefix prefix indexes */ int eContent; /* An FTS5_CONTENT value */ + int bContentlessDelete; /* "contentless_delete=" option (dflt==0) */ char *zContent; /* content table */ char *zContentRowid; /* "content_rowid=" option value */ int bColumnsize; /* "columnsize=" option value (dflt==1) */ @@ -224582,6 +226584,7 @@ struct Fts5Config { char *zRank; /* Name of rank function */ char *zRankArgs; /* Arguments to rank function */ int bSecureDelete; /* 'secure-delete' */ + int nDeleteMerge; /* 'deletemerge' */ /* If non-NULL, points to sqlite3_vtab.base.zErrmsg. Often NULL. */ char **pzErrmsg; @@ -224904,6 +226907,9 @@ static int sqlite3Fts5IndexReset(Fts5Index *p); static int sqlite3Fts5IndexLoadConfig(Fts5Index *p); +static int sqlite3Fts5IndexGetOrigin(Fts5Index *p, i64 *piOrigin); +static int sqlite3Fts5IndexContentlessDelete(Fts5Index *p, i64 iOrigin, i64 iRowid); + /* ** End of interface to code in fts5_index.c. **************************************************************************/ @@ -224988,6 +226994,11 @@ static int sqlite3Fts5HashWrite( */ static void sqlite3Fts5HashClear(Fts5Hash*); +/* +** Return true if the hash is empty, false otherwise. +*/ +static int sqlite3Fts5HashIsEmpty(Fts5Hash*); + static int sqlite3Fts5HashQuery( Fts5Hash*, /* Hash table to query */ int nPre, @@ -225009,6 +227020,7 @@ static void sqlite3Fts5HashScanEntry(Fts5Hash *, ); + /* ** End of interface to code in fts5_hash.c. **************************************************************************/ @@ -225252,7 +227264,8 @@ static void sqlite3Fts5UnicodeAscii(u8*, u8*); #define FTS5_STAR 15 /* This file is automatically generated by Lemon from input grammar -** source file "fts5parse.y". */ +** source file "fts5parse.y". +*/ /* ** 2000-05-29 ** @@ -227880,6 +229893,8 @@ static void sqlite3Fts5TermsetFree(Fts5Termset *p){ #define FTS5_DEFAULT_CRISISMERGE 16 #define FTS5_DEFAULT_HASHSIZE (1024*1024) +#define FTS5_DEFAULT_DELETE_AUTOMERGE 10 /* default 10% */ + /* Maximum allowed page size */ #define FTS5_MAX_PAGE_SIZE (64*1024) @@ -228210,6 +230225,16 @@ static int fts5ConfigParseSpecial( return rc; } + if( sqlite3_strnicmp("contentless_delete", zCmd, nCmd)==0 ){ + if( (zArg[0]!='0' && zArg[0]!='1') || zArg[1]!='\0' ){ + *pzErr = sqlite3_mprintf("malformed contentless_delete=... directive"); + rc = SQLITE_ERROR; + }else{ + pConfig->bContentlessDelete = (zArg[0]=='1'); + } + return rc; + } + if( sqlite3_strnicmp("content_rowid", zCmd, nCmd)==0 ){ if( pConfig->zContentRowid ){ *pzErr = sqlite3_mprintf("multiple content_rowid=... directives"); @@ -228454,6 +230479,28 @@ static int sqlite3Fts5ConfigParse( sqlite3_free(zTwo); } + /* We only allow contentless_delete=1 if the table is indeed contentless. */ + if( rc==SQLITE_OK + && pRet->bContentlessDelete + && pRet->eContent!=FTS5_CONTENT_NONE + ){ + *pzErr = sqlite3_mprintf( + "contentless_delete=1 requires a contentless table" + ); + rc = SQLITE_ERROR; + } + + /* We only allow contentless_delete=1 if columnsize=0 is not present. + ** + ** This restriction may be removed at some point. + */ + if( rc==SQLITE_OK && pRet->bContentlessDelete && pRet->bColumnsize==0 ){ + *pzErr = sqlite3_mprintf( + "contentless_delete=1 is incompatible with columnsize=0" + ); + rc = SQLITE_ERROR; + } + /* If a tokenizer= option was successfully parsed, the tokenizer has ** already been allocated. Otherwise, allocate an instance of the default ** tokenizer (unicode61) now. */ @@ -228748,6 +230795,18 @@ static int sqlite3Fts5ConfigSetValue( } } + else if( 0==sqlite3_stricmp(zKey, "deletemerge") ){ + int nVal = -1; + if( SQLITE_INTEGER==sqlite3_value_numeric_type(pVal) ){ + nVal = sqlite3_value_int(pVal); + }else{ + *pbBadkey = 1; + } + if( nVal<0 ) nVal = FTS5_DEFAULT_DELETE_AUTOMERGE; + if( nVal>100 ) nVal = 0; + pConfig->nDeleteMerge = nVal; + } + else if( 0==sqlite3_stricmp(zKey, "rank") ){ const char *zIn = (const char*)sqlite3_value_text(pVal); char *zRank; @@ -228796,6 +230855,7 @@ static int sqlite3Fts5ConfigLoad(Fts5Config *pConfig, int iCookie){ pConfig->nUsermerge = FTS5_DEFAULT_USERMERGE; pConfig->nCrisisMerge = FTS5_DEFAULT_CRISISMERGE; pConfig->nHashSize = FTS5_DEFAULT_HASHSIZE; + pConfig->nDeleteMerge = FTS5_DEFAULT_DELETE_AUTOMERGE; zSql = sqlite3Fts5Mprintf(&rc, zSelect, pConfig->zDb, pConfig->zName); if( zSql ){ @@ -231319,7 +233379,7 @@ static Fts5ExprNode *sqlite3Fts5ParseImplicitAnd( return pRet; } -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) static char *fts5ExprTermPrint(Fts5ExprTerm *pTerm){ sqlite3_int64 nByte = 0; Fts5ExprTerm *p; @@ -231425,6 +233485,8 @@ static char *fts5ExprPrintTcl( if( zRet==0 ) return 0; } + }else if( pExpr->eType==0 ){ + zRet = sqlite3_mprintf("{}"); }else{ char const *zOp = 0; int i; @@ -231686,14 +233748,14 @@ static void fts5ExprFold( sqlite3_result_int(pCtx, sqlite3Fts5UnicodeFold(iCode, bRemoveDiacritics)); } } -#endif /* ifdef SQLITE_TEST */ +#endif /* if SQLITE_TEST || SQLITE_FTS5_DEBUG */ /* ** This is called during initialization to register the fts5_expr() scalar ** UDF with the SQLite handle passed as the only argument. */ static int sqlite3Fts5ExprInit(Fts5Global *pGlobal, sqlite3 *db){ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) struct Fts5ExprFunc { const char *z; void (*x)(sqlite3_context*,int,sqlite3_value**); @@ -232453,7 +234515,6 @@ static int fts5HashEntrySort( pList = fts5HashEntryMerge(pList, ap[i]); } - pHash->nEntry = 0; sqlite3_free(ap); *ppSorted = pList; return SQLITE_OK; @@ -232507,6 +234568,28 @@ static int sqlite3Fts5HashScanInit( return fts5HashEntrySort(p, pTerm, nTerm, &p->pScan); } +#ifdef SQLITE_DEBUG +static int fts5HashCount(Fts5Hash *pHash){ + int nEntry = 0; + int ii; + for(ii=0; iinSlot; ii++){ + Fts5HashEntry *p = 0; + for(p=pHash->aSlot[ii]; p; p=p->pHashNext){ + nEntry++; + } + } + return nEntry; +} +#endif + +/* +** Return true if the hash table is empty, false otherwise. +*/ +static int sqlite3Fts5HashIsEmpty(Fts5Hash *pHash){ + assert( pHash->nEntry==fts5HashCount(pHash) ); + return pHash->nEntry==0; +} + static void sqlite3Fts5HashScanNext(Fts5Hash *p){ assert( !sqlite3Fts5HashScanEof(p) ); p->pScan = p->pScan->pScanNext; @@ -232595,6 +234678,24 @@ static void sqlite3Fts5HashScanEntry( #define FTS5_MAX_LEVEL 64 +/* +** There are two versions of the format used for the structure record: +** +** 1. the legacy format, that may be read by all fts5 versions, and +** +** 2. the V2 format, which is used by contentless_delete=1 databases. +** +** Both begin with a 4-byte "configuration cookie" value. Then, a legacy +** format structure record contains a varint - the number of levels in +** the structure. Whereas a V2 structure record contains the constant +** 4 bytes [0xff 0x00 0x00 0x01]. This is unambiguous as the value of a +** varint has to be at least 16256 to begin with "0xFF". And the default +** maximum number of levels is 64. +** +** See below for more on structure record formats. +*/ +#define FTS5_STRUCTURE_V2 "\xFF\x00\x00\x01" + /* ** Details: ** @@ -232602,7 +234703,7 @@ static void sqlite3Fts5HashScanEntry( ** ** CREATE TABLE %_data(id INTEGER PRIMARY KEY, block BLOB); ** -** , contains the following 5 types of records. See the comments surrounding +** , contains the following 6 types of records. See the comments surrounding ** the FTS5_*_ROWID macros below for a description of how %_data rowids are ** assigned to each fo them. ** @@ -232611,12 +234712,12 @@ static void sqlite3Fts5HashScanEntry( ** The set of segments that make up an index - the index structure - are ** recorded in a single record within the %_data table. The record consists ** of a single 32-bit configuration cookie value followed by a list of -** SQLite varints. If the FTS table features more than one index (because -** there are one or more prefix indexes), it is guaranteed that all share -** the same cookie value. +** SQLite varints. +** +** If the structure record is a V2 record, the configuration cookie is +** followed by the following 4 bytes: [0xFF 0x00 0x00 0x01]. ** -** Immediately following the configuration cookie, the record begins with -** three varints: +** Next, the record continues with three varints: ** ** + number of levels, ** + total number of segments on all levels, @@ -232631,6 +234732,12 @@ static void sqlite3Fts5HashScanEntry( ** + first leaf page number (often 1, always greater than 0) ** + final leaf page number ** +** Then, for V2 structures only: +** +** + lower origin counter value, +** + upper origin counter value, +** + the number of tombstone hash pages. +** ** 2. The Averages Record: ** ** A single record within the %_data table. The data is a list of varints. @@ -232746,6 +234853,38 @@ static void sqlite3Fts5HashScanEntry( ** * A list of delta-encoded varints - the first rowid on each subsequent ** child page. ** +** 6. Tombstone Hash Page +** +** These records are only ever present in contentless_delete=1 tables. +** There are zero or more of these associated with each segment. They +** are used to store the tombstone rowids for rows contained in the +** associated segments. +** +** The set of nHashPg tombstone hash pages associated with a single +** segment together form a single hash table containing tombstone rowids. +** To find the page of the hash on which a key might be stored: +** +** iPg = (rowid % nHashPg) +** +** Then, within page iPg, which has nSlot slots: +** +** iSlot = (rowid / nHashPg) % nSlot +** +** Each tombstone hash page begins with an 8 byte header: +** +** 1-byte: Key-size (the size in bytes of each slot). Either 4 or 8. +** 1-byte: rowid-0-tombstone flag. This flag is only valid on the +** first tombstone hash page for each segment (iPg=0). If set, +** the hash table contains rowid 0. If clear, it does not. +** Rowid 0 is handled specially. +** 2-bytes: unused. +** 4-bytes: Big-endian integer containing number of entries on page. +** +** Following this are nSlot 4 or 8 byte slots (depending on the key-size +** in the first byte of the page header). The number of slots may be +** determined based on the size of the page record and the key-size: +** +** nSlot = (nByte - 8) / key-size */ /* @@ -232779,6 +234918,7 @@ static void sqlite3Fts5HashScanEntry( #define FTS5_SEGMENT_ROWID(segid, pgno) fts5_dri(segid, 0, 0, pgno) #define FTS5_DLIDX_ROWID(segid, height, pgno) fts5_dri(segid, 1, height, pgno) +#define FTS5_TOMBSTONE_ROWID(segid,ipg) fts5_dri(segid+(1<<16), 0, 0, ipg) #ifdef SQLITE_DEBUG static int sqlite3Fts5Corrupt() { return SQLITE_CORRUPT_VTAB; } @@ -232814,6 +234954,12 @@ struct Fts5Data { /* ** One object per %_data table. +** +** nContentlessDelete: +** The number of contentless delete operations since the most recent +** call to fts5IndexFlush() or fts5IndexDiscardData(). This is tracked +** so that extra auto-merge work can be done by fts5IndexFlush() to +** account for the delete operations. */ struct Fts5Index { Fts5Config *pConfig; /* Virtual table configuration */ @@ -232828,6 +234974,8 @@ struct Fts5Index { int nPendingData; /* Current bytes of pending data */ i64 iWriteRowid; /* Rowid for current doc being written */ int bDelete; /* Current write is a delete */ + int nContentlessDelete; /* Number of contentless delete ops */ + int nPendingRow; /* Number of INSERT in hash table */ /* Error state. */ int rc; /* Current error code */ @@ -232862,11 +235010,23 @@ struct Fts5DoclistIter { ** The contents of the "structure" record for each index are represented ** using an Fts5Structure record in memory. Which uses instances of the ** other Fts5StructureXXX types as components. +** +** nOriginCntr: +** This value is set to non-zero for structure records created for +** contentlessdelete=1 tables only. In that case it represents the +** origin value to apply to the next top-level segment created. */ struct Fts5StructureSegment { int iSegid; /* Segment id */ int pgnoFirst; /* First leaf page number in segment */ int pgnoLast; /* Last leaf page number in segment */ + + /* contentlessdelete=1 tables only: */ + u64 iOrigin1; + u64 iOrigin2; + int nPgTombstone; /* Number of tombstone hash table pages */ + u64 nEntryTombstone; /* Number of tombstone entries that "count" */ + u64 nEntry; /* Number of rows in this segment */ }; struct Fts5StructureLevel { int nMerge; /* Number of segments in incr-merge */ @@ -232876,6 +235036,7 @@ struct Fts5StructureLevel { struct Fts5Structure { int nRef; /* Object reference count */ u64 nWriteCounter; /* Total leaves written to level 0 */ + u64 nOriginCntr; /* Origin value for next top-level segment */ int nSegment; /* Total segments in this structure */ int nLevel; /* Number of levels in this index */ Fts5StructureLevel aLevel[1]; /* Array of nLevel level objects */ @@ -232964,6 +235125,13 @@ struct Fts5CResult { ** ** iTermIdx: ** Index of current term on iTermLeafPgno. +** +** apTombstone/nTombstone: +** These are used for contentless_delete=1 tables only. When the cursor +** is first allocated, the apTombstone[] array is allocated so that it +** is large enough for all tombstones hash pages associated with the +** segment. The pages themselves are loaded lazily from the database as +** they are required. */ struct Fts5SegIter { Fts5StructureSegment *pSeg; /* Segment to iterate through */ @@ -232972,6 +235140,8 @@ struct Fts5SegIter { Fts5Data *pLeaf; /* Current leaf data */ Fts5Data *pNextLeaf; /* Leaf page (iLeafPgno+1) */ i64 iLeafOffset; /* Byte offset within current leaf */ + Fts5Data **apTombstone; /* Array of tombstone pages */ + int nTombstone; /* Next method */ void (*xNext)(Fts5Index*, Fts5SegIter*, int*); @@ -233101,6 +235271,60 @@ static u16 fts5GetU16(const u8 *aIn){ return ((u16)aIn[0] << 8) + aIn[1]; } +/* +** The only argument points to a buffer at least 8 bytes in size. This +** function interprets the first 8 bytes of the buffer as a 64-bit big-endian +** unsigned integer and returns the result. +*/ +static u64 fts5GetU64(u8 *a){ + return ((u64)a[0] << 56) + + ((u64)a[1] << 48) + + ((u64)a[2] << 40) + + ((u64)a[3] << 32) + + ((u64)a[4] << 24) + + ((u64)a[5] << 16) + + ((u64)a[6] << 8) + + ((u64)a[7] << 0); +} + +/* +** The only argument points to a buffer at least 4 bytes in size. This +** function interprets the first 4 bytes of the buffer as a 32-bit big-endian +** unsigned integer and returns the result. +*/ +static u32 fts5GetU32(const u8 *a){ + return ((u32)a[0] << 24) + + ((u32)a[1] << 16) + + ((u32)a[2] << 8) + + ((u32)a[3] << 0); +} + +/* +** Write iVal, formated as a 64-bit big-endian unsigned integer, to the +** buffer indicated by the first argument. +*/ +static void fts5PutU64(u8 *a, u64 iVal){ + a[0] = ((iVal >> 56) & 0xFF); + a[1] = ((iVal >> 48) & 0xFF); + a[2] = ((iVal >> 40) & 0xFF); + a[3] = ((iVal >> 32) & 0xFF); + a[4] = ((iVal >> 24) & 0xFF); + a[5] = ((iVal >> 16) & 0xFF); + a[6] = ((iVal >> 8) & 0xFF); + a[7] = ((iVal >> 0) & 0xFF); +} + +/* +** Write iVal, formated as a 32-bit big-endian unsigned integer, to the +** buffer indicated by the first argument. +*/ +static void fts5PutU32(u8 *a, u32 iVal){ + a[0] = ((iVal >> 24) & 0xFF); + a[1] = ((iVal >> 16) & 0xFF); + a[2] = ((iVal >> 8) & 0xFF); + a[3] = ((iVal >> 0) & 0xFF); +} + /* ** Allocate and return a buffer at least nByte bytes in size. ** @@ -233328,10 +235552,17 @@ static void fts5DataDelete(Fts5Index *p, i64 iFirst, i64 iLast){ /* ** Remove all records associated with segment iSegid. */ -static void fts5DataRemoveSegment(Fts5Index *p, int iSegid){ +static void fts5DataRemoveSegment(Fts5Index *p, Fts5StructureSegment *pSeg){ + int iSegid = pSeg->iSegid; i64 iFirst = FTS5_SEGMENT_ROWID(iSegid, 0); i64 iLast = FTS5_SEGMENT_ROWID(iSegid+1, 0)-1; fts5DataDelete(p, iFirst, iLast); + + if( pSeg->nPgTombstone ){ + i64 iTomb1 = FTS5_TOMBSTONE_ROWID(iSegid, 0); + i64 iTomb2 = FTS5_TOMBSTONE_ROWID(iSegid, pSeg->nPgTombstone-1); + fts5DataDelete(p, iTomb1, iTomb2); + } if( p->pIdxDeleter==0 ){ Fts5Config *pConfig = p->pConfig; fts5IndexPrepareStmt(p, &p->pIdxDeleter, sqlite3_mprintf( @@ -233442,11 +235673,19 @@ static int fts5StructureDecode( int nSegment = 0; sqlite3_int64 nByte; /* Bytes of space to allocate at pRet */ Fts5Structure *pRet = 0; /* Structure object to return */ + int bStructureV2 = 0; /* True for FTS5_STRUCTURE_V2 */ + u64 nOriginCntr = 0; /* Largest origin value seen so far */ /* Grab the cookie value */ if( piCookie ) *piCookie = sqlite3Fts5Get32(pData); i = 4; + /* Check if this is a V2 structure record. Set bStructureV2 if it is. */ + if( 0==memcmp(&pData[i], FTS5_STRUCTURE_V2, 4) ){ + i += 4; + bStructureV2 = 1; + } + /* Read the total number of levels and segments from the start of the ** structure record. */ i += fts5GetVarint32(&pData[i], nLevel); @@ -233497,6 +235736,14 @@ static int fts5StructureDecode( i += fts5GetVarint32(&pData[i], pSeg->iSegid); i += fts5GetVarint32(&pData[i], pSeg->pgnoFirst); i += fts5GetVarint32(&pData[i], pSeg->pgnoLast); + if( bStructureV2 ){ + i += fts5GetVarint(&pData[i], &pSeg->iOrigin1); + i += fts5GetVarint(&pData[i], &pSeg->iOrigin2); + i += fts5GetVarint32(&pData[i], pSeg->nPgTombstone); + i += fts5GetVarint(&pData[i], &pSeg->nEntryTombstone); + i += fts5GetVarint(&pData[i], &pSeg->nEntry); + nOriginCntr = MAX(nOriginCntr, pSeg->iOrigin2); + } if( pSeg->pgnoLastpgnoFirst ){ rc = FTS5_CORRUPT; break; @@ -233507,6 +235754,9 @@ static int fts5StructureDecode( } } if( nSegment!=0 && rc==SQLITE_OK ) rc = FTS5_CORRUPT; + if( bStructureV2 ){ + pRet->nOriginCntr = nOriginCntr+1; + } if( rc!=SQLITE_OK ){ fts5StructureRelease(pRet); @@ -233719,6 +235969,7 @@ static void fts5StructureWrite(Fts5Index *p, Fts5Structure *pStruct){ Fts5Buffer buf; /* Buffer to serialize record into */ int iLvl; /* Used to iterate through levels */ int iCookie; /* Cookie value to store */ + int nHdr = (pStruct->nOriginCntr>0 ? (4+4+9+9+9) : (4+9+9)); assert( pStruct->nSegment==fts5StructureCountSegments(pStruct) ); memset(&buf, 0, sizeof(Fts5Buffer)); @@ -233727,9 +235978,12 @@ static void fts5StructureWrite(Fts5Index *p, Fts5Structure *pStruct){ iCookie = p->pConfig->iCookie; if( iCookie<0 ) iCookie = 0; - if( 0==sqlite3Fts5BufferSize(&p->rc, &buf, 4+9+9+9) ){ + if( 0==sqlite3Fts5BufferSize(&p->rc, &buf, nHdr) ){ sqlite3Fts5Put32(buf.p, iCookie); buf.n = 4; + if( pStruct->nOriginCntr>0 ){ + fts5BufferSafeAppendBlob(&buf, FTS5_STRUCTURE_V2, 4); + } fts5BufferSafeAppendVarint(&buf, pStruct->nLevel); fts5BufferSafeAppendVarint(&buf, pStruct->nSegment); fts5BufferSafeAppendVarint(&buf, (i64)pStruct->nWriteCounter); @@ -233743,9 +235997,17 @@ static void fts5StructureWrite(Fts5Index *p, Fts5Structure *pStruct){ assert( pLvl->nMerge<=pLvl->nSeg ); for(iSeg=0; iSegnSeg; iSeg++){ - fts5BufferAppendVarint(&p->rc, &buf, pLvl->aSeg[iSeg].iSegid); - fts5BufferAppendVarint(&p->rc, &buf, pLvl->aSeg[iSeg].pgnoFirst); - fts5BufferAppendVarint(&p->rc, &buf, pLvl->aSeg[iSeg].pgnoLast); + Fts5StructureSegment *pSeg = &pLvl->aSeg[iSeg]; + fts5BufferAppendVarint(&p->rc, &buf, pSeg->iSegid); + fts5BufferAppendVarint(&p->rc, &buf, pSeg->pgnoFirst); + fts5BufferAppendVarint(&p->rc, &buf, pSeg->pgnoLast); + if( pStruct->nOriginCntr>0 ){ + fts5BufferAppendVarint(&p->rc, &buf, pSeg->iOrigin1); + fts5BufferAppendVarint(&p->rc, &buf, pSeg->iOrigin2); + fts5BufferAppendVarint(&p->rc, &buf, pSeg->nPgTombstone); + fts5BufferAppendVarint(&p->rc, &buf, pSeg->nEntryTombstone); + fts5BufferAppendVarint(&p->rc, &buf, pSeg->nEntry); + } } } @@ -234268,6 +236530,23 @@ static void fts5SegIterSetNext(Fts5Index *p, Fts5SegIter *pIter){ } } +/* +** Allocate a tombstone hash page array (pIter->apTombstone) for the +** iterator passed as the second argument. If an OOM error occurs, leave +** an error in the Fts5Index object. +*/ +static void fts5SegIterAllocTombstone(Fts5Index *p, Fts5SegIter *pIter){ + const int nTomb = pIter->pSeg->nPgTombstone; + if( nTomb>0 ){ + Fts5Data **apTomb = 0; + apTomb = (Fts5Data**)sqlite3Fts5MallocZero(&p->rc, sizeof(Fts5Data)*nTomb); + if( apTomb ){ + pIter->apTombstone = apTomb; + pIter->nTombstone = nTomb; + } + } +} + /* ** Initialize the iterator object pIter to iterate through the entries in ** segment pSeg. The iterator is left pointing to the first entry when @@ -234309,6 +236588,7 @@ static void fts5SegIterInit( pIter->iPgidxOff = pIter->pLeaf->szLeaf+1; fts5SegIterLoadTerm(p, pIter, 0); fts5SegIterLoadNPos(p, pIter); + fts5SegIterAllocTombstone(p, pIter); } } @@ -235010,6 +237290,7 @@ static void fts5SegIterSeekInit( } fts5SegIterSetNext(p, pIter); + fts5SegIterAllocTombstone(p, pIter); /* Either: ** @@ -235090,6 +237371,20 @@ static void fts5SegIterHashInit( fts5SegIterSetNext(p, pIter); } +/* +** Array ap[] contains n elements. Release each of these elements using +** fts5DataRelease(). Then free the array itself using sqlite3_free(). +*/ +static void fts5IndexFreeArray(Fts5Data **ap, int n){ + if( ap ){ + int ii; + for(ii=0; iiterm); fts5DataRelease(pIter->pLeaf); fts5DataRelease(pIter->pNextLeaf); + fts5IndexFreeArray(pIter->apTombstone, pIter->nTombstone); fts5DlidxIterFree(pIter->pDlidx); sqlite3_free(pIter->aRowidOffset); memset(pIter, 0, sizeof(Fts5SegIter)); @@ -235434,6 +237730,84 @@ static void fts5MultiIterSetEof(Fts5Iter *pIter){ pIter->iSwitchRowid = pSeg->iRowid; } +/* +** The argument to this macro must be an Fts5Data structure containing a +** tombstone hash page. This macro returns the key-size of the hash-page. +*/ +#define TOMBSTONE_KEYSIZE(pPg) (pPg->p[0]==4 ? 4 : 8) + +#define TOMBSTONE_NSLOT(pPg) \ + ((pPg->nn > 16) ? ((pPg->nn-8) / TOMBSTONE_KEYSIZE(pPg)) : 1) + +/* +** Query a single tombstone hash table for rowid iRowid. Return true if +** it is found or false otherwise. The tombstone hash table is one of +** nHashTable tables. +*/ +static int fts5IndexTombstoneQuery( + Fts5Data *pHash, /* Hash table page to query */ + int nHashTable, /* Number of pages attached to segment */ + u64 iRowid /* Rowid to query hash for */ +){ + const int szKey = TOMBSTONE_KEYSIZE(pHash); + const int nSlot = TOMBSTONE_NSLOT(pHash); + int iSlot = (iRowid / nHashTable) % nSlot; + int nCollide = nSlot; + + if( iRowid==0 ){ + return pHash->p[1]; + }else if( szKey==4 ){ + u32 *aSlot = (u32*)&pHash->p[8]; + while( aSlot[iSlot] ){ + if( fts5GetU32((u8*)&aSlot[iSlot])==iRowid ) return 1; + if( nCollide--==0 ) break; + iSlot = (iSlot+1)%nSlot; + } + }else{ + u64 *aSlot = (u64*)&pHash->p[8]; + while( aSlot[iSlot] ){ + if( fts5GetU64((u8*)&aSlot[iSlot])==iRowid ) return 1; + if( nCollide--==0 ) break; + iSlot = (iSlot+1)%nSlot; + } + } + + return 0; +} + +/* +** Return true if the iterator passed as the only argument points +** to an segment entry for which there is a tombstone. Return false +** if there is no tombstone or if the iterator is already at EOF. +*/ +static int fts5MultiIterIsDeleted(Fts5Iter *pIter){ + int iFirst = pIter->aFirst[1].iFirst; + Fts5SegIter *pSeg = &pIter->aSeg[iFirst]; + + if( pSeg->pLeaf && pSeg->nTombstone ){ + /* Figure out which page the rowid might be present on. */ + int iPg = ((u64)pSeg->iRowid) % pSeg->nTombstone; + assert( iPg>=0 ); + + /* If tombstone hash page iPg has not yet been loaded from the + ** database, load it now. */ + if( pSeg->apTombstone[iPg]==0 ){ + pSeg->apTombstone[iPg] = fts5DataRead(pIter->pIndex, + FTS5_TOMBSTONE_ROWID(pSeg->pSeg->iSegid, iPg) + ); + if( pSeg->apTombstone[iPg]==0 ) return 0; + } + + return fts5IndexTombstoneQuery( + pSeg->apTombstone[iPg], + pSeg->nTombstone, + pSeg->iRowid + ); + } + + return 0; +} + /* ** Move the iterator to the next entry. ** @@ -235471,7 +237845,9 @@ static void fts5MultiIterNext( fts5AssertMultiIterSetup(p, pIter); assert( pSeg==&pIter->aSeg[pIter->aFirst[1].iFirst] && pSeg->pLeaf ); - if( pIter->bSkipEmpty==0 || pSeg->nPos ){ + if( (pIter->bSkipEmpty==0 || pSeg->nPos) + && 0==fts5MultiIterIsDeleted(pIter) + ){ pIter->xSetOutputs(pIter, pSeg); return; } @@ -235503,7 +237879,9 @@ static void fts5MultiIterNext2( } fts5AssertMultiIterSetup(p, pIter); - }while( fts5MultiIterIsEmpty(p, pIter) ); + }while( (fts5MultiIterIsEmpty(p, pIter) || fts5MultiIterIsDeleted(pIter)) + && (p->rc==SQLITE_OK) + ); } } @@ -236058,7 +238436,9 @@ static void fts5MultiIterNew( fts5MultiIterSetEof(pNew); fts5AssertMultiIterSetup(p, pNew); - if( pNew->bSkipEmpty && fts5MultiIterIsEmpty(p, pNew) ){ + if( (pNew->bSkipEmpty && fts5MultiIterIsEmpty(p, pNew)) + || fts5MultiIterIsDeleted(pNew) + ){ fts5MultiIterNext(p, pNew, 0, 0); }else if( pNew->base.bEof==0 ){ Fts5SegIter *pSeg = &pNew->aSeg[pNew->aFirst[1].iFirst]; @@ -236236,7 +238616,9 @@ static void fts5IndexDiscardData(Fts5Index *p){ if( p->pHash ){ sqlite3Fts5HashClear(p->pHash); p->nPendingData = 0; + p->nPendingRow = 0; } + p->nContentlessDelete = 0; } /* @@ -236873,6 +239255,12 @@ static void fts5IndexMergeLevel( /* Read input from all segments in the input level */ nInput = pLvl->nSeg; + + /* Set the range of origins that will go into the output segment. */ + if( pStruct->nOriginCntr>0 ){ + pSeg->iOrigin1 = pLvl->aSeg[0].iOrigin1; + pSeg->iOrigin2 = pLvl->aSeg[pLvl->nSeg-1].iOrigin2; + } } bOldest = (pLvlOut->nSeg==1 && pStruct->nLevel==iLvl+2); @@ -236932,8 +239320,11 @@ static void fts5IndexMergeLevel( int i; /* Remove the redundant segments from the %_data table */ + assert( pSeg->nEntry==0 ); for(i=0; iaSeg[i].iSegid); + Fts5StructureSegment *pOld = &pLvl->aSeg[i]; + pSeg->nEntry += (pOld->nEntry - pOld->nEntryTombstone); + fts5DataRemoveSegment(p, pOld); } /* Remove the redundant segments from the input level */ @@ -236959,6 +239350,43 @@ static void fts5IndexMergeLevel( if( pnRem ) *pnRem -= writer.nLeafWritten; } +/* +** If this is not a contentless_delete=1 table, or if the 'deletemerge' +** configuration option is set to 0, then this function always returns -1. +** Otherwise, it searches the structure object passed as the second argument +** for a level suitable for merging due to having a large number of +** tombstones in the tombstone hash. If one is found, its index is returned. +** Otherwise, if there is no suitable level, -1. +*/ +static int fts5IndexFindDeleteMerge(Fts5Index *p, Fts5Structure *pStruct){ + Fts5Config *pConfig = p->pConfig; + int iRet = -1; + if( pConfig->bContentlessDelete && pConfig->nDeleteMerge>0 ){ + int ii; + int nBest = 0; + + for(ii=0; iinLevel; ii++){ + Fts5StructureLevel *pLvl = &pStruct->aLevel[ii]; + i64 nEntry = 0; + i64 nTomb = 0; + int iSeg; + for(iSeg=0; iSegnSeg; iSeg++){ + nEntry += pLvl->aSeg[iSeg].nEntry; + nTomb += pLvl->aSeg[iSeg].nEntryTombstone; + } + assert_nc( nEntry>0 || pLvl->nSeg==0 ); + if( nEntry>0 ){ + int nPercent = (nTomb * 100) / nEntry; + if( nPercent>=pConfig->nDeleteMerge && nPercent>nBest ){ + iRet = ii; + nBest = nPercent; + } + } + } + } + return iRet; +} + /* ** Do up to nPg pages of automerge work on the index. ** @@ -236978,14 +239406,15 @@ static int fts5IndexMerge( int iBestLvl = 0; /* Level offering the most input segments */ int nBest = 0; /* Number of input segments on best level */ - /* Set iBestLvl to the level to read input segments from. */ + /* Set iBestLvl to the level to read input segments from. Or to -1 if + ** there is no level suitable to merge segments from. */ assert( pStruct->nLevel>0 ); for(iLvl=0; iLvlnLevel; iLvl++){ Fts5StructureLevel *pLvl = &pStruct->aLevel[iLvl]; if( pLvl->nMerge ){ if( pLvl->nMerge>nBest ){ iBestLvl = iLvl; - nBest = pLvl->nMerge; + nBest = nMin; } break; } @@ -236994,22 +239423,18 @@ static int fts5IndexMerge( iBestLvl = iLvl; } } - - /* If nBest is still 0, then the index must be empty. */ -#ifdef SQLITE_DEBUG - for(iLvl=0; nBest==0 && iLvlnLevel; iLvl++){ - assert( pStruct->aLevel[iLvl].nSeg==0 ); + if( nBestaLevel[iBestLvl].nMerge==0 ){ - break; - } + if( iBestLvl<0 ) break; bRet = 1; fts5IndexMergeLevel(p, &pStruct, iBestLvl, &nRem); if( p->rc==SQLITE_OK && pStruct->aLevel[iBestLvl].nMerge==0 ){ fts5StructurePromote(p, iBestLvl+1, pStruct); } + + if( nMin==1 ) nMin = 2; } *ppStruct = pStruct; return bRet; @@ -237175,7 +239600,7 @@ static void fts5SecureDeleteOverflow( pLeaf = 0; }else if( bDetailNone ){ break; - }else if( iNext>=pLeaf->szLeaf || iNext<4 ){ + }else if( iNext>=pLeaf->szLeaf || pLeaf->nnszLeaf || iNext<4 ){ p->rc = FTS5_CORRUPT; break; }else{ @@ -237194,9 +239619,13 @@ static void fts5SecureDeleteOverflow( int i1 = pLeaf->szLeaf; int i2 = 0; + i1 += fts5GetVarint32(&aPg[i1], iFirst); + if( iFirstrc = FTS5_CORRUPT; + break; + } aIdx = sqlite3Fts5MallocZero(&p->rc, (pLeaf->nn-pLeaf->szLeaf)+2); if( aIdx==0 ) break; - i1 += fts5GetVarint32(&aPg[i1], iFirst); i2 = sqlite3Fts5PutVarint(aIdx, iFirst-nShift); if( i1nn ){ memcpy(&aIdx[i2], &aPg[i1], pLeaf->nn-i1); @@ -237379,7 +239808,9 @@ static void fts5DoSecureDelete( iOff += sqlite3Fts5PutVarint(&aPg[iOff], nPrefix); } iOff += sqlite3Fts5PutVarint(&aPg[iOff], nSuffix); - if( nPrefix2>nPrefix ){ + if( nPrefix2>pSeg->term.n ){ + p->rc = FTS5_CORRUPT; + }else if( nPrefix2>nPrefix ){ memcpy(&aPg[iOff], &pSeg->term.p[nPrefix], nPrefix2-nPrefix); iOff += (nPrefix2-nPrefix); } @@ -237516,187 +239947,197 @@ static void fts5FlushOneHash(Fts5Index *p){ /* Obtain a reference to the index structure and allocate a new segment-id ** for the new level-0 segment. */ pStruct = fts5StructureRead(p); - iSegid = fts5AllocateSegid(p, pStruct); fts5StructureInvalidate(p); - if( iSegid ){ - const int pgsz = p->pConfig->pgsz; - int eDetail = p->pConfig->eDetail; - int bSecureDelete = p->pConfig->bSecureDelete; - Fts5StructureSegment *pSeg; /* New segment within pStruct */ - Fts5Buffer *pBuf; /* Buffer in which to assemble leaf page */ - Fts5Buffer *pPgidx; /* Buffer in which to assemble pgidx */ - - Fts5SegWriter writer; - fts5WriteInit(p, &writer, iSegid); - - pBuf = &writer.writer.buf; - pPgidx = &writer.writer.pgidx; - - /* fts5WriteInit() should have initialized the buffers to (most likely) - ** the maximum space required. */ - assert( p->rc || pBuf->nSpace>=(pgsz + FTS5_DATA_PADDING) ); - assert( p->rc || pPgidx->nSpace>=(pgsz + FTS5_DATA_PADDING) ); + if( sqlite3Fts5HashIsEmpty(pHash)==0 ){ + iSegid = fts5AllocateSegid(p, pStruct); + if( iSegid ){ + const int pgsz = p->pConfig->pgsz; + int eDetail = p->pConfig->eDetail; + int bSecureDelete = p->pConfig->bSecureDelete; + Fts5StructureSegment *pSeg; /* New segment within pStruct */ + Fts5Buffer *pBuf; /* Buffer in which to assemble leaf page */ + Fts5Buffer *pPgidx; /* Buffer in which to assemble pgidx */ + + Fts5SegWriter writer; + fts5WriteInit(p, &writer, iSegid); + + pBuf = &writer.writer.buf; + pPgidx = &writer.writer.pgidx; + + /* fts5WriteInit() should have initialized the buffers to (most likely) + ** the maximum space required. */ + assert( p->rc || pBuf->nSpace>=(pgsz + FTS5_DATA_PADDING) ); + assert( p->rc || pPgidx->nSpace>=(pgsz + FTS5_DATA_PADDING) ); + + /* Begin scanning through hash table entries. This loop runs once for each + ** term/doclist currently stored within the hash table. */ + if( p->rc==SQLITE_OK ){ + p->rc = sqlite3Fts5HashScanInit(pHash, 0, 0); + } + while( p->rc==SQLITE_OK && 0==sqlite3Fts5HashScanEof(pHash) ){ + const char *zTerm; /* Buffer containing term */ + int nTerm; /* Size of zTerm in bytes */ + const u8 *pDoclist; /* Pointer to doclist for this term */ + int nDoclist; /* Size of doclist in bytes */ + + /* Get the term and doclist for this entry. */ + sqlite3Fts5HashScanEntry(pHash, &zTerm, &pDoclist, &nDoclist); + nTerm = (int)strlen(zTerm); + if( bSecureDelete==0 ){ + fts5WriteAppendTerm(p, &writer, nTerm, (const u8*)zTerm); + if( p->rc!=SQLITE_OK ) break; + assert( writer.bFirstRowidInPage==0 ); + } - /* Begin scanning through hash table entries. This loop runs once for each - ** term/doclist currently stored within the hash table. */ - if( p->rc==SQLITE_OK ){ - p->rc = sqlite3Fts5HashScanInit(pHash, 0, 0); - } - while( p->rc==SQLITE_OK && 0==sqlite3Fts5HashScanEof(pHash) ){ - const char *zTerm; /* Buffer containing term */ - int nTerm; /* Size of zTerm in bytes */ - const u8 *pDoclist; /* Pointer to doclist for this term */ - int nDoclist; /* Size of doclist in bytes */ - - /* Get the term and doclist for this entry. */ - sqlite3Fts5HashScanEntry(pHash, &zTerm, &pDoclist, &nDoclist); - nTerm = (int)strlen(zTerm); - if( bSecureDelete==0 ){ - fts5WriteAppendTerm(p, &writer, nTerm, (const u8*)zTerm); - if( p->rc!=SQLITE_OK ) break; - assert( writer.bFirstRowidInPage==0 ); - } - - if( !bSecureDelete && pgsz>=(pBuf->n + pPgidx->n + nDoclist + 1) ){ - /* The entire doclist will fit on the current leaf. */ - fts5BufferSafeAppendBlob(pBuf, pDoclist, nDoclist); - }else{ - int bTermWritten = !bSecureDelete; - i64 iRowid = 0; - i64 iPrev = 0; - int iOff = 0; - - /* The entire doclist will not fit on this leaf. The following - ** loop iterates through the poslists that make up the current - ** doclist. */ - while( p->rc==SQLITE_OK && iOff=(pBuf->n + pPgidx->n + nDoclist + 1) ){ + /* The entire doclist will fit on the current leaf. */ + fts5BufferSafeAppendBlob(pBuf, pDoclist, nDoclist); + }else{ + int bTermWritten = !bSecureDelete; + i64 iRowid = 0; + i64 iPrev = 0; + int iOff = 0; + + /* The entire doclist will not fit on this leaf. The following + ** loop iterates through the poslists that make up the current + ** doclist. */ + while( p->rc==SQLITE_OK && iOffrc!=SQLITE_OK || pDoclist[iOff]==0x01 ){ iOff++; - nDoclist = 0; - }else{ continue; } } - }else if( (pDoclist[iOff] & 0x01) ){ - fts5FlushSecureDelete(p, pStruct, zTerm, iRowid); - if( p->rc!=SQLITE_OK || pDoclist[iOff]==0x01 ){ - iOff++; - continue; - } } - } - if( p->rc==SQLITE_OK && bTermWritten==0 ){ - fts5WriteAppendTerm(p, &writer, nTerm, (const u8*)zTerm); - bTermWritten = 1; - assert( p->rc!=SQLITE_OK || writer.bFirstRowidInPage==0 ); - } + if( p->rc==SQLITE_OK && bTermWritten==0 ){ + fts5WriteAppendTerm(p, &writer, nTerm, (const u8*)zTerm); + bTermWritten = 1; + assert( p->rc!=SQLITE_OK || writer.bFirstRowidInPage==0 ); + } - if( writer.bFirstRowidInPage ){ - fts5PutU16(&pBuf->p[0], (u16)pBuf->n); /* first rowid on page */ - pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], iRowid); - writer.bFirstRowidInPage = 0; - fts5WriteDlidxAppend(p, &writer, iRowid); - }else{ - pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], iRowid-iPrev); - } - if( p->rc!=SQLITE_OK ) break; - assert( pBuf->n<=pBuf->nSpace ); - iPrev = iRowid; + if( writer.bFirstRowidInPage ){ + fts5PutU16(&pBuf->p[0], (u16)pBuf->n); /* first rowid on page */ + pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], iRowid); + writer.bFirstRowidInPage = 0; + fts5WriteDlidxAppend(p, &writer, iRowid); + }else{ + u64 iRowidDelta = (u64)iRowid - (u64)iPrev; + pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], iRowidDelta); + } + if( p->rc!=SQLITE_OK ) break; + assert( pBuf->n<=pBuf->nSpace ); + iPrev = iRowid; - if( eDetail==FTS5_DETAIL_NONE ){ - if( iOffp[pBuf->n++] = 0; - iOff++; + if( eDetail==FTS5_DETAIL_NONE ){ if( iOffp[pBuf->n++] = 0; iOff++; + if( iOffp[pBuf->n++] = 0; + iOff++; + } + } + if( (pBuf->n + pPgidx->n)>=pgsz ){ + fts5WriteFlushLeaf(p, &writer); } - } - if( (pBuf->n + pPgidx->n)>=pgsz ){ - fts5WriteFlushLeaf(p, &writer); - } - }else{ - int bDummy; - int nPos; - int nCopy = fts5GetPoslistSize(&pDoclist[iOff], &nPos, &bDummy); - nCopy += nPos; - if( (pBuf->n + pPgidx->n + nCopy) <= pgsz ){ - /* The entire poslist will fit on the current leaf. So copy - ** it in one go. */ - fts5BufferSafeAppendBlob(pBuf, &pDoclist[iOff], nCopy); }else{ - /* The entire poslist will not fit on this leaf. So it needs - ** to be broken into sections. The only qualification being - ** that each varint must be stored contiguously. */ - const u8 *pPoslist = &pDoclist[iOff]; - int iPos = 0; - while( p->rc==SQLITE_OK ){ - int nSpace = pgsz - pBuf->n - pPgidx->n; - int n = 0; - if( (nCopy - iPos)<=nSpace ){ - n = nCopy - iPos; - }else{ - n = fts5PoslistPrefix(&pPoslist[iPos], nSpace); - } - assert( n>0 ); - fts5BufferSafeAppendBlob(pBuf, &pPoslist[iPos], n); - iPos += n; - if( (pBuf->n + pPgidx->n)>=pgsz ){ - fts5WriteFlushLeaf(p, &writer); + int bDummy; + int nPos; + int nCopy = fts5GetPoslistSize(&pDoclist[iOff], &nPos, &bDummy); + nCopy += nPos; + if( (pBuf->n + pPgidx->n + nCopy) <= pgsz ){ + /* The entire poslist will fit on the current leaf. So copy + ** it in one go. */ + fts5BufferSafeAppendBlob(pBuf, &pDoclist[iOff], nCopy); + }else{ + /* The entire poslist will not fit on this leaf. So it needs + ** to be broken into sections. The only qualification being + ** that each varint must be stored contiguously. */ + const u8 *pPoslist = &pDoclist[iOff]; + int iPos = 0; + while( p->rc==SQLITE_OK ){ + int nSpace = pgsz - pBuf->n - pPgidx->n; + int n = 0; + if( (nCopy - iPos)<=nSpace ){ + n = nCopy - iPos; + }else{ + n = fts5PoslistPrefix(&pPoslist[iPos], nSpace); + } + assert( n>0 ); + fts5BufferSafeAppendBlob(pBuf, &pPoslist[iPos], n); + iPos += n; + if( (pBuf->n + pPgidx->n)>=pgsz ){ + fts5WriteFlushLeaf(p, &writer); + } + if( iPos>=nCopy ) break; } - if( iPos>=nCopy ) break; } + iOff += nCopy; } - iOff += nCopy; } } - } - - /* TODO2: Doclist terminator written here. */ - /* pBuf->p[pBuf->n++] = '\0'; */ - assert( pBuf->n<=pBuf->nSpace ); - if( p->rc==SQLITE_OK ) sqlite3Fts5HashScanNext(pHash); - } - sqlite3Fts5HashClear(pHash); - fts5WriteFinish(p, &writer, &pgnoLast); - assert( p->rc!=SQLITE_OK || bSecureDelete || pgnoLast>0 ); - if( pgnoLast>0 ){ - /* Update the Fts5Structure. It is written back to the database by the - ** fts5StructureRelease() call below. */ - if( pStruct->nLevel==0 ){ - fts5StructureAddLevel(&p->rc, &pStruct); + /* TODO2: Doclist terminator written here. */ + /* pBuf->p[pBuf->n++] = '\0'; */ + assert( pBuf->n<=pBuf->nSpace ); + if( p->rc==SQLITE_OK ) sqlite3Fts5HashScanNext(pHash); } - fts5StructureExtendLevel(&p->rc, pStruct, 0, 1, 0); - if( p->rc==SQLITE_OK ){ - pSeg = &pStruct->aLevel[0].aSeg[ pStruct->aLevel[0].nSeg++ ]; - pSeg->iSegid = iSegid; - pSeg->pgnoFirst = 1; - pSeg->pgnoLast = pgnoLast; - pStruct->nSegment++; + sqlite3Fts5HashClear(pHash); + fts5WriteFinish(p, &writer, &pgnoLast); + + assert( p->rc!=SQLITE_OK || bSecureDelete || pgnoLast>0 ); + if( pgnoLast>0 ){ + /* Update the Fts5Structure. It is written back to the database by the + ** fts5StructureRelease() call below. */ + if( pStruct->nLevel==0 ){ + fts5StructureAddLevel(&p->rc, &pStruct); + } + fts5StructureExtendLevel(&p->rc, pStruct, 0, 1, 0); + if( p->rc==SQLITE_OK ){ + pSeg = &pStruct->aLevel[0].aSeg[ pStruct->aLevel[0].nSeg++ ]; + pSeg->iSegid = iSegid; + pSeg->pgnoFirst = 1; + pSeg->pgnoLast = pgnoLast; + if( pStruct->nOriginCntr>0 ){ + pSeg->iOrigin1 = pStruct->nOriginCntr; + pSeg->iOrigin2 = pStruct->nOriginCntr; + pSeg->nEntry = p->nPendingRow; + pStruct->nOriginCntr++; + } + pStruct->nSegment++; + } + fts5StructurePromote(p, 0, pStruct); } - fts5StructurePromote(p, 0, pStruct); } } - fts5IndexAutomerge(p, &pStruct, pgnoLast); + fts5IndexAutomerge(p, &pStruct, pgnoLast + p->nContentlessDelete); fts5IndexCrisismerge(p, &pStruct); fts5StructureWrite(p, pStruct); fts5StructureRelease(pStruct); + p->nContentlessDelete = 0; } /* @@ -237704,10 +240145,11 @@ static void fts5FlushOneHash(Fts5Index *p){ */ static void fts5IndexFlush(Fts5Index *p){ /* Unless it is empty, flush the hash table to disk */ - if( p->nPendingData ){ + if( p->nPendingData || p->nContentlessDelete ){ assert( p->pHash ); - p->nPendingData = 0; fts5FlushOneHash(p); + p->nPendingData = 0; + p->nPendingRow = 0; } } @@ -237723,17 +240165,22 @@ static Fts5Structure *fts5IndexOptimizeStruct( /* Figure out if this structure requires optimization. A structure does ** not require optimization if either: ** - ** + it consists of fewer than two segments, or - ** + all segments are on the same level, or - ** + all segments except one are currently inputs to a merge operation. + ** 1. it consists of fewer than two segments, or + ** 2. all segments are on the same level, or + ** 3. all segments except one are currently inputs to a merge operation. ** - ** In the first case, return NULL. In the second, increment the ref-count - ** on *pStruct and return a copy of the pointer to it. + ** In the first case, if there are no tombstone hash pages, return NULL. In + ** the second, increment the ref-count on *pStruct and return a copy of the + ** pointer to it. */ - if( nSeg<2 ) return 0; + if( nSeg==0 ) return 0; for(i=0; inLevel; i++){ int nThis = pStruct->aLevel[i].nSeg; - if( nThis==nSeg || (nThis==nSeg-1 && pStruct->aLevel[i].nMerge==nThis) ){ + int nMerge = pStruct->aLevel[i].nMerge; + if( nThis>0 && (nThis==nSeg || (nThis==nSeg-1 && nMerge==nThis)) ){ + if( nSeg==1 && nThis==1 && pStruct->aLevel[i].aSeg[0].nPgTombstone==0 ){ + return 0; + } fts5StructureRef(pStruct); return pStruct; } @@ -237749,6 +240196,7 @@ static Fts5Structure *fts5IndexOptimizeStruct( pNew->nLevel = MIN(pStruct->nLevel+1, FTS5_MAX_LEVEL); pNew->nRef = 1; pNew->nWriteCounter = pStruct->nWriteCounter; + pNew->nOriginCntr = pStruct->nOriginCntr; pLvl = &pNew->aLevel[pNew->nLevel-1]; pLvl->aSeg = (Fts5StructureSegment*)sqlite3Fts5MallocZero(&p->rc, nByte); if( pLvl->aSeg ){ @@ -237779,6 +240227,7 @@ static int sqlite3Fts5IndexOptimize(Fts5Index *p){ assert( p->rc==SQLITE_OK ); fts5IndexFlush(p); + assert( p->nContentlessDelete==0 ); pStruct = fts5StructureRead(p); fts5StructureInvalidate(p); @@ -237808,7 +240257,10 @@ static int sqlite3Fts5IndexOptimize(Fts5Index *p){ ** INSERT command. */ static int sqlite3Fts5IndexMerge(Fts5Index *p, int nMerge){ - Fts5Structure *pStruct = fts5StructureRead(p); + Fts5Structure *pStruct = 0; + + fts5IndexFlush(p); + pStruct = fts5StructureRead(p); if( pStruct ){ int nMin = p->pConfig->nUsermerge; fts5StructureInvalidate(p); @@ -237816,7 +240268,7 @@ static int sqlite3Fts5IndexMerge(Fts5Index *p, int nMerge){ Fts5Structure *pNew = fts5IndexOptimizeStruct(p, pStruct); fts5StructureRelease(pStruct); pStruct = pNew; - nMin = 2; + nMin = 1; nMerge = nMerge*-1; } if( pStruct && pStruct->nLevel ){ @@ -238330,6 +240782,9 @@ static int sqlite3Fts5IndexBeginWrite(Fts5Index *p, int bDelete, i64 iRowid){ p->iWriteRowid = iRowid; p->bDelete = bDelete; + if( bDelete==0 ){ + p->nPendingRow++; + } return fts5IndexReturn(p); } @@ -238367,6 +240822,9 @@ static int sqlite3Fts5IndexReinit(Fts5Index *p){ fts5StructureInvalidate(p); fts5IndexDiscardData(p); memset(&s, 0, sizeof(Fts5Structure)); + if( p->pConfig->bContentlessDelete ){ + s.nOriginCntr = 1; + } fts5DataWrite(p, FTS5_AVERAGES_ROWID, (const u8*)"", 0); fts5StructureWrite(p, &s); return fts5IndexReturn(p); @@ -238758,6 +241216,347 @@ static int sqlite3Fts5IndexLoadConfig(Fts5Index *p){ return fts5IndexReturn(p); } +/* +** Retrieve the origin value that will be used for the segment currently +** being accumulated in the in-memory hash table when it is flushed to +** disk. If successful, SQLITE_OK is returned and (*piOrigin) set to +** the queried value. Or, if an error occurs, an error code is returned +** and the final value of (*piOrigin) is undefined. +*/ +static int sqlite3Fts5IndexGetOrigin(Fts5Index *p, i64 *piOrigin){ + Fts5Structure *pStruct; + pStruct = fts5StructureRead(p); + if( pStruct ){ + *piOrigin = pStruct->nOriginCntr; + fts5StructureRelease(pStruct); + } + return fts5IndexReturn(p); +} + +/* +** Buffer pPg contains a page of a tombstone hash table - one of nPg pages +** associated with the same segment. This function adds rowid iRowid to +** the hash table. The caller is required to guarantee that there is at +** least one free slot on the page. +** +** If parameter bForce is false and the hash table is deemed to be full +** (more than half of the slots are occupied), then non-zero is returned +** and iRowid not inserted. Or, if bForce is true or if the hash table page +** is not full, iRowid is inserted and zero returned. +*/ +static int fts5IndexTombstoneAddToPage( + Fts5Data *pPg, + int bForce, + int nPg, + u64 iRowid +){ + const int szKey = TOMBSTONE_KEYSIZE(pPg); + const int nSlot = TOMBSTONE_NSLOT(pPg); + const int nElem = fts5GetU32(&pPg->p[4]); + int iSlot = (iRowid / nPg) % nSlot; + int nCollide = nSlot; + + if( szKey==4 && iRowid>0xFFFFFFFF ) return 2; + if( iRowid==0 ){ + pPg->p[1] = 0x01; + return 0; + } + + if( bForce==0 && nElem>=(nSlot/2) ){ + return 1; + } + + fts5PutU32(&pPg->p[4], nElem+1); + if( szKey==4 ){ + u32 *aSlot = (u32*)&pPg->p[8]; + while( aSlot[iSlot] ){ + iSlot = (iSlot + 1) % nSlot; + if( nCollide--==0 ) return 0; + } + fts5PutU32((u8*)&aSlot[iSlot], (u32)iRowid); + }else{ + u64 *aSlot = (u64*)&pPg->p[8]; + while( aSlot[iSlot] ){ + iSlot = (iSlot + 1) % nSlot; + if( nCollide--==0 ) return 0; + } + fts5PutU64((u8*)&aSlot[iSlot], iRowid); + } + + return 0; +} + +/* +** This function attempts to build a new hash containing all the keys +** currently in the tombstone hash table for segment pSeg. The new +** hash will be stored in the nOut buffers passed in array apOut[]. +** All pages of the new hash use key-size szKey (4 or 8). +** +** Return 0 if the hash is successfully rebuilt into the nOut pages. +** Or non-zero if it is not (because one page became overfull). In this +** case the caller should retry with a larger nOut parameter. +** +** Parameter pData1 is page iPg1 of the hash table being rebuilt. +*/ +static int fts5IndexTombstoneRehash( + Fts5Index *p, + Fts5StructureSegment *pSeg, /* Segment to rebuild hash of */ + Fts5Data *pData1, /* One page of current hash - or NULL */ + int iPg1, /* Which page of the current hash is pData1 */ + int szKey, /* 4 or 8, the keysize */ + int nOut, /* Number of output pages */ + Fts5Data **apOut /* Array of output hash pages */ +){ + int ii; + int res = 0; + + /* Initialize the headers of all the output pages */ + for(ii=0; iip[0] = szKey; + fts5PutU32(&apOut[ii]->p[4], 0); + } + + /* Loop through the current pages of the hash table. */ + for(ii=0; res==0 && iinPgTombstone; ii++){ + Fts5Data *pData = 0; /* Page ii of the current hash table */ + Fts5Data *pFree = 0; /* Free this at the end of the loop */ + + if( iPg1==ii ){ + pData = pData1; + }else{ + pFree = pData = fts5DataRead(p, FTS5_TOMBSTONE_ROWID(pSeg->iSegid, ii)); + } + + if( pData ){ + int szKeyIn = TOMBSTONE_KEYSIZE(pData); + int nSlotIn = (pData->nn - 8) / szKeyIn; + int iIn; + for(iIn=0; iInp[8]; + if( aSlot[iIn] ) iVal = fts5GetU32((u8*)&aSlot[iIn]); + }else{ + u64 *aSlot = (u64*)&pData->p[8]; + if( aSlot[iIn] ) iVal = fts5GetU64((u8*)&aSlot[iIn]); + } + + /* If iVal is not 0 at this point, insert it into the new hash table */ + if( iVal ){ + Fts5Data *pPg = apOut[(iVal % nOut)]; + res = fts5IndexTombstoneAddToPage(pPg, 0, nOut, iVal); + if( res ) break; + } + } + + /* If this is page 0 of the old hash, copy the rowid-0-flag from the + ** old hash to the new. */ + if( ii==0 ){ + apOut[0]->p[1] = pData->p[1]; + } + } + fts5DataRelease(pFree); + } + + return res; +} + +/* +** This is called to rebuild the hash table belonging to segment pSeg. +** If parameter pData1 is not NULL, then one page of the existing hash table +** has already been loaded - pData1, which is page iPg1. The key-size for +** the new hash table is szKey (4 or 8). +** +** If successful, the new hash table is not written to disk. Instead, +** output parameter (*pnOut) is set to the number of pages in the new +** hash table, and (*papOut) to point to an array of buffers containing +** the new page data. +** +** If an error occurs, an error code is left in the Fts5Index object and +** both output parameters set to 0 before returning. +*/ +static void fts5IndexTombstoneRebuild( + Fts5Index *p, + Fts5StructureSegment *pSeg, /* Segment to rebuild hash of */ + Fts5Data *pData1, /* One page of current hash - or NULL */ + int iPg1, /* Which page of the current hash is pData1 */ + int szKey, /* 4 or 8, the keysize */ + int *pnOut, /* OUT: Number of output pages */ + Fts5Data ***papOut /* OUT: Output hash pages */ +){ + const int MINSLOT = 32; + int nSlotPerPage = MAX(MINSLOT, (p->pConfig->pgsz - 8) / szKey); + int nSlot = 0; /* Number of slots in each output page */ + int nOut = 0; + + /* Figure out how many output pages (nOut) and how many slots per + ** page (nSlot). There are three possibilities: + ** + ** 1. The hash table does not yet exist. In this case the new hash + ** table will consist of a single page with MINSLOT slots. + ** + ** 2. The hash table exists but is currently a single page. In this + ** case an attempt is made to grow the page to accommodate the new + ** entry. The page is allowed to grow up to nSlotPerPage (see above) + ** slots. + ** + ** 3. The hash table already consists of more than one page, or of + ** a single page already so large that it cannot be grown. In this + ** case the new hash consists of (nPg*2+1) pages of nSlotPerPage + ** slots each, where nPg is the current number of pages in the + ** hash table. + */ + if( pSeg->nPgTombstone==0 ){ + /* Case 1. */ + nOut = 1; + nSlot = MINSLOT; + }else if( pSeg->nPgTombstone==1 ){ + /* Case 2. */ + int nElem = (int)fts5GetU32(&pData1->p[4]); + assert( pData1 && iPg1==0 ); + nOut = 1; + nSlot = MAX(nElem*4, MINSLOT); + if( nSlot>nSlotPerPage ) nOut = 0; + } + if( nOut==0 ){ + /* Case 3. */ + nOut = (pSeg->nPgTombstone * 2 + 1); + nSlot = nSlotPerPage; + } + + /* Allocate the required array and output pages */ + while( 1 ){ + int res = 0; + int ii = 0; + int szPage = 0; + Fts5Data **apOut = 0; + + /* Allocate space for the new hash table */ + assert( nSlot>=MINSLOT ); + apOut = (Fts5Data**)sqlite3Fts5MallocZero(&p->rc, sizeof(Fts5Data*) * nOut); + szPage = 8 + nSlot*szKey; + for(ii=0; iirc, + sizeof(Fts5Data)+szPage + ); + if( pNew ){ + pNew->nn = szPage; + pNew->p = (u8*)&pNew[1]; + apOut[ii] = pNew; + } + } + + /* Rebuild the hash table. */ + if( p->rc==SQLITE_OK ){ + res = fts5IndexTombstoneRehash(p, pSeg, pData1, iPg1, szKey, nOut, apOut); + } + if( res==0 ){ + if( p->rc ){ + fts5IndexFreeArray(apOut, nOut); + apOut = 0; + nOut = 0; + } + *pnOut = nOut; + *papOut = apOut; + break; + } + + /* If control flows to here, it was not possible to rebuild the hash + ** table. Free all buffers and then try again with more pages. */ + assert( p->rc==SQLITE_OK ); + fts5IndexFreeArray(apOut, nOut); + nSlot = nSlotPerPage; + nOut = nOut*2 + 1; + } +} + + +/* +** Add a tombstone for rowid iRowid to segment pSeg. +*/ +static void fts5IndexTombstoneAdd( + Fts5Index *p, + Fts5StructureSegment *pSeg, + u64 iRowid +){ + Fts5Data *pPg = 0; + int iPg = -1; + int szKey = 0; + int nHash = 0; + Fts5Data **apHash = 0; + + p->nContentlessDelete++; + + if( pSeg->nPgTombstone>0 ){ + iPg = iRowid % pSeg->nPgTombstone; + pPg = fts5DataRead(p, FTS5_TOMBSTONE_ROWID(pSeg->iSegid,iPg)); + if( pPg==0 ){ + assert( p->rc!=SQLITE_OK ); + return; + } + + if( 0==fts5IndexTombstoneAddToPage(pPg, 0, pSeg->nPgTombstone, iRowid) ){ + fts5DataWrite(p, FTS5_TOMBSTONE_ROWID(pSeg->iSegid,iPg), pPg->p, pPg->nn); + fts5DataRelease(pPg); + return; + } + } + + /* Have to rebuild the hash table. First figure out the key-size (4 or 8). */ + szKey = pPg ? TOMBSTONE_KEYSIZE(pPg) : 4; + if( iRowid>0xFFFFFFFF ) szKey = 8; + + /* Rebuild the hash table */ + fts5IndexTombstoneRebuild(p, pSeg, pPg, iPg, szKey, &nHash, &apHash); + assert( p->rc==SQLITE_OK || (nHash==0 && apHash==0) ); + + /* If all has succeeded, write the new rowid into one of the new hash + ** table pages, then write them all out to disk. */ + if( nHash ){ + int ii = 0; + fts5IndexTombstoneAddToPage(apHash[iRowid % nHash], 1, nHash, iRowid); + for(ii=0; iiiSegid, ii); + fts5DataWrite(p, iTombstoneRowid, apHash[ii]->p, apHash[ii]->nn); + } + pSeg->nPgTombstone = nHash; + fts5StructureWrite(p, p->pStruct); + } + + fts5DataRelease(pPg); + fts5IndexFreeArray(apHash, nHash); +} + +/* +** Add iRowid to the tombstone list of the segment or segments that contain +** rows from origin iOrigin. Return SQLITE_OK if successful, or an SQLite +** error code otherwise. +*/ +static int sqlite3Fts5IndexContentlessDelete(Fts5Index *p, i64 iOrigin, i64 iRowid){ + Fts5Structure *pStruct; + pStruct = fts5StructureRead(p); + if( pStruct ){ + int bFound = 0; /* True after pSeg->nEntryTombstone incr. */ + int iLvl; + for(iLvl=pStruct->nLevel-1; iLvl>=0; iLvl--){ + int iSeg; + for(iSeg=pStruct->aLevel[iLvl].nSeg-1; iSeg>=0; iSeg--){ + Fts5StructureSegment *pSeg = &pStruct->aLevel[iLvl].aSeg[iSeg]; + if( pSeg->iOrigin1<=(u64)iOrigin && pSeg->iOrigin2>=(u64)iOrigin ){ + if( bFound==0 ){ + pSeg->nEntryTombstone++; + bFound = 1; + } + fts5IndexTombstoneAdd(p, pSeg, iRowid); + } + } + } + fts5StructureRelease(pStruct); + } + return fts5IndexReturn(p); +} /************************************************************************* ************************************************************************** @@ -239309,13 +242108,14 @@ static int sqlite3Fts5IndexIntegrityCheck(Fts5Index *p, u64 cksum, int bUseCksum ** function only. */ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** Decode a segment-data rowid from the %_data table. This function is ** the opposite of macro FTS5_SEGMENT_ROWID(). */ static void fts5DecodeRowid( i64 iRowid, /* Rowid from %_data table */ + int *pbTombstone, /* OUT: Tombstone hash flag */ int *piSegid, /* OUT: Segment id */ int *pbDlidx, /* OUT: Dlidx flag */ int *piHeight, /* OUT: Height */ @@ -239331,13 +242131,16 @@ static void fts5DecodeRowid( iRowid >>= FTS5_DATA_DLI_B; *piSegid = (int)(iRowid & (((i64)1 << FTS5_DATA_ID_B) - 1)); + iRowid >>= FTS5_DATA_ID_B; + + *pbTombstone = (int)(iRowid & 0x0001); } -#endif /* SQLITE_TEST */ +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) static void fts5DebugRowid(int *pRc, Fts5Buffer *pBuf, i64 iKey){ - int iSegid, iHeight, iPgno, bDlidx; /* Rowid compenents */ - fts5DecodeRowid(iKey, &iSegid, &bDlidx, &iHeight, &iPgno); + int iSegid, iHeight, iPgno, bDlidx, bTomb; /* Rowid compenents */ + fts5DecodeRowid(iKey, &bTomb, &iSegid, &bDlidx, &iHeight, &iPgno); if( iSegid==0 ){ if( iKey==FTS5_AVERAGES_ROWID ){ @@ -239347,14 +242150,16 @@ static void fts5DebugRowid(int *pRc, Fts5Buffer *pBuf, i64 iKey){ } } else{ - sqlite3Fts5BufferAppendPrintf(pRc, pBuf, "{%ssegid=%d h=%d pgno=%d}", - bDlidx ? "dlidx " : "", iSegid, iHeight, iPgno + sqlite3Fts5BufferAppendPrintf(pRc, pBuf, "{%s%ssegid=%d h=%d pgno=%d}", + bDlidx ? "dlidx " : "", + bTomb ? "tombstone " : "", + iSegid, iHeight, iPgno ); } } -#endif /* SQLITE_TEST */ +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) static void fts5DebugStructure( int *pRc, /* IN/OUT: error code */ Fts5Buffer *pBuf, @@ -239369,16 +242174,22 @@ static void fts5DebugStructure( ); for(iSeg=0; iSegnSeg; iSeg++){ Fts5StructureSegment *pSeg = &pLvl->aSeg[iSeg]; - sqlite3Fts5BufferAppendPrintf(pRc, pBuf, " {id=%d leaves=%d..%d}", + sqlite3Fts5BufferAppendPrintf(pRc, pBuf, " {id=%d leaves=%d..%d", pSeg->iSegid, pSeg->pgnoFirst, pSeg->pgnoLast ); + if( pSeg->iOrigin1>0 ){ + sqlite3Fts5BufferAppendPrintf(pRc, pBuf, " origin=%lld..%lld", + pSeg->iOrigin1, pSeg->iOrigin2 + ); + } + sqlite3Fts5BufferAppendPrintf(pRc, pBuf, "}"); } sqlite3Fts5BufferAppendPrintf(pRc, pBuf, "}"); } } -#endif /* SQLITE_TEST */ +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** This is part of the fts5_decode() debugging aid. ** @@ -239403,9 +242214,9 @@ static void fts5DecodeStructure( fts5DebugStructure(pRc, pBuf, p); fts5StructureRelease(p); } -#endif /* SQLITE_TEST */ +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** This is part of the fts5_decode() debugging aid. ** @@ -239428,9 +242239,9 @@ static void fts5DecodeAverages( zSpace = " "; } } -#endif /* SQLITE_TEST */ +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** Buffer (a/n) is assumed to contain a list of serialized varints. Read ** each varint and append its string representation to buffer pBuf. Return @@ -239447,9 +242258,9 @@ static int fts5DecodePoslist(int *pRc, Fts5Buffer *pBuf, const u8 *a, int n){ } return iOff; } -#endif /* SQLITE_TEST */ +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** The start of buffer (a/n) contains the start of a doclist. The doclist ** may or may not finish within the buffer. This function appends a text @@ -239482,9 +242293,9 @@ static int fts5DecodeDoclist(int *pRc, Fts5Buffer *pBuf, const u8 *a, int n){ return iOff; } -#endif /* SQLITE_TEST */ +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** This function is part of the fts5_decode() debugging function. It is ** only ever used with detail=none tables. @@ -239525,9 +242336,9 @@ static void fts5DecodeRowidList( sqlite3Fts5BufferAppendPrintf(pRc, pBuf, " %lld%s", iRowid, zApp); } } -#endif /* SQLITE_TEST */ +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) /* ** The implementation of user-defined scalar function fts5_decode(). */ @@ -239538,6 +242349,7 @@ static void fts5DecodeFunction( ){ i64 iRowid; /* Rowid for record being decoded */ int iSegid,iHeight,iPgno,bDlidx;/* Rowid components */ + int bTomb; const u8 *aBlob; int n; /* Record to decode */ u8 *a = 0; Fts5Buffer s; /* Build up text to return here */ @@ -239560,7 +242372,7 @@ static void fts5DecodeFunction( if( a==0 ) goto decode_out; if( n>0 ) memcpy(a, aBlob, n); - fts5DecodeRowid(iRowid, &iSegid, &bDlidx, &iHeight, &iPgno); + fts5DecodeRowid(iRowid, &bTomb, &iSegid, &bDlidx, &iHeight, &iPgno); fts5DebugRowid(&rc, &s, iRowid); if( bDlidx ){ @@ -239579,6 +242391,28 @@ static void fts5DecodeFunction( " %d(%lld)", lvl.iLeafPgno, lvl.iRowid ); } + }else if( bTomb ){ + u32 nElem = fts5GetU32(&a[4]); + int szKey = (aBlob[0]==4 || aBlob[0]==8) ? aBlob[0] : 8; + int nSlot = (n - 8) / szKey; + int ii; + sqlite3Fts5BufferAppendPrintf(&rc, &s, " nElem=%d", (int)nElem); + if( aBlob[1] ){ + sqlite3Fts5BufferAppendPrintf(&rc, &s, " 0"); + } + for(ii=0; iiszLeaf ){ + rc = FTS5_CORRUPT; + }else{ + fts5DecodeRowidList(&rc, &s, &a[iOff], iTermOff-iOff); + } iOff = iTermOff; if( iOffestimatedCost = (double)100; + pIdxInfo->estimatedRows = 100; + pIdxInfo->idxNum = 0; + for(i=0, p=pIdxInfo->aConstraint; inConstraint; i++, p++){ + if( p->usable==0 ) continue; + if( p->op==SQLITE_INDEX_CONSTRAINT_EQ && p->iColumn==11 ){ + rc = SQLITE_OK; + pIdxInfo->aConstraintUsage[i].omit = 1; + pIdxInfo->aConstraintUsage[i].argvIndex = 1; + break; + } + } + return rc; +} + +/* +** This method is the destructor for bytecodevtab objects. +*/ +static int fts5structDisconnectMethod(sqlite3_vtab *pVtab){ + Fts5StructVtab *p = (Fts5StructVtab*)pVtab; + sqlite3_free(p); + return SQLITE_OK; +} + +/* +** Constructor for a new bytecodevtab_cursor object. +*/ +static int fts5structOpenMethod(sqlite3_vtab *p, sqlite3_vtab_cursor **ppCsr){ + int rc = SQLITE_OK; + Fts5StructVcsr *pNew = 0; + + pNew = sqlite3Fts5MallocZero(&rc, sizeof(*pNew)); + *ppCsr = (sqlite3_vtab_cursor*)pNew; + + return SQLITE_OK; +} + +/* +** Destructor for a bytecodevtab_cursor. +*/ +static int fts5structCloseMethod(sqlite3_vtab_cursor *cur){ + Fts5StructVcsr *pCsr = (Fts5StructVcsr*)cur; + fts5StructureRelease(pCsr->pStruct); + sqlite3_free(pCsr); + return SQLITE_OK; +} + + +/* +** Advance a bytecodevtab_cursor to its next row of output. +*/ +static int fts5structNextMethod(sqlite3_vtab_cursor *cur){ + Fts5StructVcsr *pCsr = (Fts5StructVcsr*)cur; + Fts5Structure *p = pCsr->pStruct; + + assert( pCsr->pStruct ); + pCsr->iSeg++; + pCsr->iRowid++; + while( pCsr->iLevelnLevel && pCsr->iSeg>=p->aLevel[pCsr->iLevel].nSeg ){ + pCsr->iLevel++; + pCsr->iSeg = 0; + } + if( pCsr->iLevel>=p->nLevel ){ + fts5StructureRelease(pCsr->pStruct); + pCsr->pStruct = 0; + } + return SQLITE_OK; +} + +/* +** Return TRUE if the cursor has been moved off of the last +** row of output. +*/ +static int fts5structEofMethod(sqlite3_vtab_cursor *cur){ + Fts5StructVcsr *pCsr = (Fts5StructVcsr*)cur; + return pCsr->pStruct==0; +} + +static int fts5structRowidMethod( + sqlite3_vtab_cursor *cur, + sqlite_int64 *piRowid +){ + Fts5StructVcsr *pCsr = (Fts5StructVcsr*)cur; + *piRowid = pCsr->iRowid; + return SQLITE_OK; +} + +/* +** Return values of columns for the row at which the bytecodevtab_cursor +** is currently pointing. +*/ +static int fts5structColumnMethod( + sqlite3_vtab_cursor *cur, /* The cursor */ + sqlite3_context *ctx, /* First argument to sqlite3_result_...() */ + int i /* Which column to return */ +){ + Fts5StructVcsr *pCsr = (Fts5StructVcsr*)cur; + Fts5Structure *p = pCsr->pStruct; + Fts5StructureSegment *pSeg = &p->aLevel[pCsr->iLevel].aSeg[pCsr->iSeg]; + + switch( i ){ + case 0: /* level */ + sqlite3_result_int(ctx, pCsr->iLevel); + break; + case 1: /* segment */ + sqlite3_result_int(ctx, pCsr->iSeg); + break; + case 2: /* merge */ + sqlite3_result_int(ctx, pCsr->iSeg < p->aLevel[pCsr->iLevel].nMerge); + break; + case 3: /* segid */ + sqlite3_result_int(ctx, pSeg->iSegid); + break; + case 4: /* leaf1 */ + sqlite3_result_int(ctx, pSeg->pgnoFirst); + break; + case 5: /* leaf2 */ + sqlite3_result_int(ctx, pSeg->pgnoLast); + break; + case 6: /* origin1 */ + sqlite3_result_int64(ctx, pSeg->iOrigin1); + break; + case 7: /* origin2 */ + sqlite3_result_int64(ctx, pSeg->iOrigin2); + break; + case 8: /* npgtombstone */ + sqlite3_result_int(ctx, pSeg->nPgTombstone); + break; + case 9: /* nentrytombstone */ + sqlite3_result_int64(ctx, pSeg->nEntryTombstone); + break; + case 10: /* nentry */ + sqlite3_result_int64(ctx, pSeg->nEntry); + break; + } + return SQLITE_OK; +} + +/* +** Initialize a cursor. +** +** idxNum==0 means show all subprograms +** idxNum==1 means show only the main bytecode and omit subprograms. +*/ +static int fts5structFilterMethod( + sqlite3_vtab_cursor *pVtabCursor, + int idxNum, const char *idxStr, + int argc, sqlite3_value **argv +){ + Fts5StructVcsr *pCsr = (Fts5StructVcsr *)pVtabCursor; + int rc = SQLITE_OK; + + const u8 *aBlob = 0; + int nBlob = 0; + + assert( argc==1 ); + fts5StructureRelease(pCsr->pStruct); + pCsr->pStruct = 0; + + nBlob = sqlite3_value_bytes(argv[0]); + aBlob = (const u8*)sqlite3_value_blob(argv[0]); + rc = fts5StructureDecode(aBlob, nBlob, 0, &pCsr->pStruct); + if( rc==SQLITE_OK ){ + pCsr->iLevel = 0; + pCsr->iRowid = 0; + pCsr->iSeg = -1; + rc = fts5structNextMethod(pVtabCursor); + } + + return rc; +} + +#endif /* SQLITE_TEST || SQLITE_FTS5_DEBUG */ /* ** This is called as part of registering the FTS5 module with database @@ -239783,7 +242848,7 @@ static void fts5RowidFunction( ** SQLite error code is returned instead. */ static int sqlite3Fts5IndexInit(sqlite3 *db){ -#ifdef SQLITE_TEST +#if defined(SQLITE_TEST) || defined(SQLITE_FTS5_DEBUG) int rc = sqlite3_create_function( db, "fts5_decode", 2, SQLITE_UTF8, 0, fts5DecodeFunction, 0, 0 ); @@ -239800,6 +242865,36 @@ static int sqlite3Fts5IndexInit(sqlite3 *db){ db, "fts5_rowid", -1, SQLITE_UTF8, 0, fts5RowidFunction, 0, 0 ); } + + if( rc==SQLITE_OK ){ + static const sqlite3_module fts5structure_module = { + 0, /* iVersion */ + 0, /* xCreate */ + fts5structConnectMethod, /* xConnect */ + fts5structBestIndexMethod, /* xBestIndex */ + fts5structDisconnectMethod, /* xDisconnect */ + 0, /* xDestroy */ + fts5structOpenMethod, /* xOpen */ + fts5structCloseMethod, /* xClose */ + fts5structFilterMethod, /* xFilter */ + fts5structNextMethod, /* xNext */ + fts5structEofMethod, /* xEof */ + fts5structColumnMethod, /* xColumn */ + fts5structRowidMethod, /* xRowid */ + 0, /* xUpdate */ + 0, /* xBegin */ + 0, /* xSync */ + 0, /* xCommit */ + 0, /* xRollback */ + 0, /* xFindFunction */ + 0, /* xRename */ + 0, /* xSavepoint */ + 0, /* xRelease */ + 0, /* xRollbackTo */ + 0 /* xShadowName */ + }; + rc = sqlite3_create_module(db, "fts5_structure", &fts5structure_module, 0); + } return rc; #else return SQLITE_OK; @@ -241443,7 +244538,6 @@ static int fts5UpdateMethod( int rc = SQLITE_OK; /* Return code */ int bUpdateOrDelete = 0; - /* A transaction must be open when this is called. */ assert( pTab->ts.eState==1 || pTab->ts.eState==2 ); @@ -241472,7 +244566,14 @@ static int fts5UpdateMethod( if( pConfig->eContent!=FTS5_CONTENT_NORMAL && 0==sqlite3_stricmp("delete", z) ){ - rc = fts5SpecialDelete(pTab, apVal); + if( pConfig->bContentlessDelete ){ + fts5SetVtabError(pTab, + "'delete' may not be used with a contentless_delete=1 table" + ); + rc = SQLITE_ERROR; + }else{ + rc = fts5SpecialDelete(pTab, apVal); + } }else{ rc = fts5SpecialInsert(pTab, z, apVal[2 + pConfig->nCol + 1]); } @@ -241489,7 +244590,7 @@ static int fts5UpdateMethod( ** Cases 3 and 4 may violate the rowid constraint. */ int eConflict = SQLITE_ABORT; - if( pConfig->eContent==FTS5_CONTENT_NORMAL ){ + if( pConfig->eContent==FTS5_CONTENT_NORMAL || pConfig->bContentlessDelete ){ eConflict = sqlite3_vtab_on_conflict(pConfig->db); } @@ -241497,8 +244598,12 @@ static int fts5UpdateMethod( assert( nArg!=1 || eType0==SQLITE_INTEGER ); /* Filter out attempts to run UPDATE or DELETE on contentless tables. - ** This is not suported. */ - if( eType0==SQLITE_INTEGER && fts5IsContentless(pTab) ){ + ** This is not suported. Except - DELETE is supported if the CREATE + ** VIRTUAL TABLE statement contained "contentless_delete=1". */ + if( eType0==SQLITE_INTEGER + && pConfig->eContent==FTS5_CONTENT_NONE + && pConfig->bContentlessDelete==0 + ){ pTab->p.base.zErrMsg = sqlite3_mprintf( "cannot %s contentless fts5 table: %s", (nArg>1 ? "UPDATE" : "DELETE from"), pConfig->zName @@ -241585,8 +244690,7 @@ static int fts5SyncMethod(sqlite3_vtab *pVtab){ Fts5FullTable *pTab = (Fts5FullTable*)pVtab; fts5CheckTransactionState(pTab, FTS5_SYNC, 0); pTab->p.pConfig->pzErrmsg = &pTab->p.base.zErrMsg; - fts5TripCursors(pTab); - rc = sqlite3Fts5StorageSync(pTab->pStorage); + rc = sqlite3Fts5FlushToDisk(&pTab->p); pTab->p.pConfig->pzErrmsg = 0; return rc; } @@ -242353,6 +245457,12 @@ static int fts5ColumnMethod( sqlite3_result_value(pCtx, sqlite3_column_value(pCsr->pStmt, iCol+1)); } pConfig->pzErrmsg = 0; + }else if( pConfig->bContentlessDelete && sqlite3_vtab_nochange(pCtx) ){ + char *zErr = sqlite3_mprintf("cannot UPDATE a subset of " + "columns on fts5 contentless-delete table: %s", pConfig->zName + ); + sqlite3_result_error(pCtx, zErr, -1); + sqlite3_free(zErr); } return rc; } @@ -242635,7 +245745,7 @@ static void fts5SourceIdFunc( ){ assert( nArg==0 ); UNUSED_PARAM2(nArg, apUnused); - sqlite3_result_text(pCtx, "fts5: 2023-05-16 12:36:15 831d0fb2836b71c9bc51067c49fee4b8f18047814f2ff22d817d25195cf350b0", -1, SQLITE_TRANSIENT); + sqlite3_result_text(pCtx, "fts5: 2023-08-24 12:36:59 0f80b798b3f4b81a7bb4233c58294edd0f1156f36b6ecf5ab8e83631d468778c", -1, SQLITE_TRANSIENT); } /* @@ -242848,10 +245958,10 @@ static int fts5StorageGetStmt( "INSERT INTO %Q.'%q_content' VALUES(%s)", /* INSERT_CONTENT */ "REPLACE INTO %Q.'%q_content' VALUES(%s)", /* REPLACE_CONTENT */ "DELETE FROM %Q.'%q_content' WHERE id=?", /* DELETE_CONTENT */ - "REPLACE INTO %Q.'%q_docsize' VALUES(?,?)", /* REPLACE_DOCSIZE */ + "REPLACE INTO %Q.'%q_docsize' VALUES(?,?%s)", /* REPLACE_DOCSIZE */ "DELETE FROM %Q.'%q_docsize' WHERE id=?", /* DELETE_DOCSIZE */ - "SELECT sz FROM %Q.'%q_docsize' WHERE id=?", /* LOOKUP_DOCSIZE */ + "SELECT sz%s FROM %Q.'%q_docsize' WHERE id=?", /* LOOKUP_DOCSIZE */ "REPLACE INTO %Q.'%q_config' VALUES(?,?)", /* REPLACE_CONFIG */ "SELECT %s FROM %s AS T", /* SCAN */ @@ -242899,6 +246009,19 @@ static int fts5StorageGetStmt( break; } + case FTS5_STMT_REPLACE_DOCSIZE: + zSql = sqlite3_mprintf(azStmt[eStmt], pC->zDb, pC->zName, + (pC->bContentlessDelete ? ",?" : "") + ); + break; + + case FTS5_STMT_LOOKUP_DOCSIZE: + zSql = sqlite3_mprintf(azStmt[eStmt], + (pC->bContentlessDelete ? ",origin" : ""), + pC->zDb, pC->zName + ); + break; + default: zSql = sqlite3_mprintf(azStmt[eStmt], pC->zDb, pC->zName); break; @@ -243088,9 +246211,11 @@ static int sqlite3Fts5StorageOpen( } if( rc==SQLITE_OK && pConfig->bColumnsize ){ - rc = sqlite3Fts5CreateTable( - pConfig, "docsize", "id INTEGER PRIMARY KEY, sz BLOB", 0, pzErr - ); + const char *zCols = "id INTEGER PRIMARY KEY, sz BLOB"; + if( pConfig->bContentlessDelete ){ + zCols = "id INTEGER PRIMARY KEY, sz BLOB, origin INTEGER"; + } + rc = sqlite3Fts5CreateTable(pConfig, "docsize", zCols, 0, pzErr); } if( rc==SQLITE_OK ){ rc = sqlite3Fts5CreateTable( @@ -243167,7 +246292,7 @@ static int fts5StorageDeleteFromIndex( ){ Fts5Config *pConfig = p->pConfig; sqlite3_stmt *pSeek = 0; /* SELECT to read row iDel from %_data */ - int rc; /* Return code */ + int rc = SQLITE_OK; /* Return code */ int rc2; /* sqlite3_reset() return code */ int iCol; Fts5InsertCtx ctx; @@ -243183,7 +246308,6 @@ static int fts5StorageDeleteFromIndex( ctx.pStorage = p; ctx.iCol = -1; - rc = sqlite3Fts5IndexBeginWrite(p->pIndex, 1, iDel); for(iCol=1; rc==SQLITE_OK && iCol<=pConfig->nCol; iCol++){ if( pConfig->abUnindexed[iCol-1]==0 ){ const char *zText; @@ -243220,6 +246344,37 @@ static int fts5StorageDeleteFromIndex( return rc; } +/* +** This function is called to process a DELETE on a contentless_delete=1 +** table. It adds the tombstone required to delete the entry with rowid +** iDel. If successful, SQLITE_OK is returned. Or, if an error occurs, +** an SQLite error code. +*/ +static int fts5StorageContentlessDelete(Fts5Storage *p, i64 iDel){ + i64 iOrigin = 0; + sqlite3_stmt *pLookup = 0; + int rc = SQLITE_OK; + + assert( p->pConfig->bContentlessDelete ); + assert( p->pConfig->eContent==FTS5_CONTENT_NONE ); + + /* Look up the origin of the document in the %_docsize table. Store + ** this in stack variable iOrigin. */ + rc = fts5StorageGetStmt(p, FTS5_STMT_LOOKUP_DOCSIZE, &pLookup, 0); + if( rc==SQLITE_OK ){ + sqlite3_bind_int64(pLookup, 1, iDel); + if( SQLITE_ROW==sqlite3_step(pLookup) ){ + iOrigin = sqlite3_column_int64(pLookup, 1); + } + rc = sqlite3_reset(pLookup); + } + + if( rc==SQLITE_OK && iOrigin!=0 ){ + rc = sqlite3Fts5IndexContentlessDelete(p->pIndex, iOrigin, iDel); + } + + return rc; +} /* ** Insert a record into the %_docsize table. Specifically, do: @@ -243240,10 +246395,17 @@ static int fts5StorageInsertDocsize( rc = fts5StorageGetStmt(p, FTS5_STMT_REPLACE_DOCSIZE, &pReplace, 0); if( rc==SQLITE_OK ){ sqlite3_bind_int64(pReplace, 1, iRowid); - sqlite3_bind_blob(pReplace, 2, pBuf->p, pBuf->n, SQLITE_STATIC); - sqlite3_step(pReplace); - rc = sqlite3_reset(pReplace); - sqlite3_bind_null(pReplace, 2); + if( p->pConfig->bContentlessDelete ){ + i64 iOrigin = 0; + rc = sqlite3Fts5IndexGetOrigin(p->pIndex, &iOrigin); + sqlite3_bind_int64(pReplace, 3, iOrigin); + } + if( rc==SQLITE_OK ){ + sqlite3_bind_blob(pReplace, 2, pBuf->p, pBuf->n, SQLITE_STATIC); + sqlite3_step(pReplace); + rc = sqlite3_reset(pReplace); + sqlite3_bind_null(pReplace, 2); + } } } return rc; @@ -243307,7 +246469,15 @@ static int sqlite3Fts5StorageDelete(Fts5Storage *p, i64 iDel, sqlite3_value **ap /* Delete the index records */ if( rc==SQLITE_OK ){ - rc = fts5StorageDeleteFromIndex(p, iDel, apVal); + rc = sqlite3Fts5IndexBeginWrite(p->pIndex, 1, iDel); + } + + if( rc==SQLITE_OK ){ + if( p->pConfig->bContentlessDelete ){ + rc = fts5StorageContentlessDelete(p, iDel); + }else{ + rc = fts5StorageDeleteFromIndex(p, iDel, apVal); + } } /* Delete the %_docsize record */ diff --git a/src/3rdparty/sqlite/sqlite3.h b/src/3rdparty/sqlite/sqlite3.h index 48effe2021..ec451a5ca3 100644 --- a/src/3rdparty/sqlite/sqlite3.h +++ b/src/3rdparty/sqlite/sqlite3.h @@ -146,9 +146,9 @@ extern "C" { ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ -#define SQLITE_VERSION "3.42.0" -#define SQLITE_VERSION_NUMBER 3042000 -#define SQLITE_SOURCE_ID "2023-05-16 12:36:15 831d0fb2836b71c9bc51067c49fee4b8f18047814f2ff22d817d25195cf350b0" +#define SQLITE_VERSION "3.43.0" +#define SQLITE_VERSION_NUMBER 3043000 +#define SQLITE_SOURCE_ID "2023-08-24 12:36:59 0f80b798b3f4b81a7bb4233c58294edd0f1156f36b6ecf5ab8e83631d468778c" /* ** CAPI3REF: Run-Time Library Version Numbers @@ -528,6 +528,7 @@ SQLITE_API int sqlite3_exec( #define SQLITE_IOERR_ROLLBACK_ATOMIC (SQLITE_IOERR | (31<<8)) #define SQLITE_IOERR_DATA (SQLITE_IOERR | (32<<8)) #define SQLITE_IOERR_CORRUPTFS (SQLITE_IOERR | (33<<8)) +#define SQLITE_IOERR_IN_PAGE (SQLITE_IOERR | (34<<8)) #define SQLITE_LOCKED_SHAREDCACHE (SQLITE_LOCKED | (1<<8)) #define SQLITE_LOCKED_VTAB (SQLITE_LOCKED | (2<<8)) #define SQLITE_BUSY_RECOVERY (SQLITE_BUSY | (1<<8)) @@ -1190,7 +1191,7 @@ struct sqlite3_io_methods { ** by clients within the current process, only within other processes. ** **
    4. [[SQLITE_FCNTL_CKSM_FILE]] -** The [SQLITE_FCNTL_CKSM_FILE] opcode is for use interally by the +** The [SQLITE_FCNTL_CKSM_FILE] opcode is for use internally by the ** [checksum VFS shim] only. ** **
    5. [[SQLITE_FCNTL_RESET_CACHE]] @@ -2454,7 +2455,7 @@ struct sqlite3_mem_methods { ** the [VACUUM] command will fail with an obscure error when attempting to ** process a table with generated columns and a descending index. This is ** not considered a bug since SQLite versions 3.3.0 and earlier do not support -** either generated columns or decending indexes. +** either generated columns or descending indexes. ** ** ** [[SQLITE_DBCONFIG_STMT_SCANSTATUS]] @@ -2735,6 +2736,7 @@ SQLITE_API sqlite3_int64 sqlite3_total_changes64(sqlite3*); ** ** ^The [sqlite3_is_interrupted(D)] interface can be used to determine whether ** or not an interrupt is currently in effect for [database connection] D. +** It returns 1 if an interrupt is currently in effect, or 0 otherwise. */ SQLITE_API void sqlite3_interrupt(sqlite3*); SQLITE_API int sqlite3_is_interrupted(sqlite3*); @@ -3388,8 +3390,10 @@ SQLITE_API SQLITE_DEPRECATED void *sqlite3_profile(sqlite3*, ** M argument should be the bitwise OR-ed combination of ** zero or more [SQLITE_TRACE] constants. ** -** ^Each call to either sqlite3_trace() or sqlite3_trace_v2() overrides -** (cancels) any prior calls to sqlite3_trace() or sqlite3_trace_v2(). +** ^Each call to either sqlite3_trace(D,X,P) or sqlite3_trace_v2(D,M,X,P) +** overrides (cancels) all prior calls to sqlite3_trace(D,X,P) or +** sqlite3_trace_v2(D,M,X,P) for the [database connection] D. Each +** database connection may have at most one trace callback. ** ** ^The X callback is invoked whenever any of the events identified by ** mask M occur. ^The integer return value from the callback is currently @@ -3758,7 +3762,7 @@ SQLITE_API int sqlite3_open_v2( ** as F) must be one of: **
        **
      • A database filename pointer created by the SQLite core and -** passed into the xOpen() method of a VFS implemention, or +** passed into the xOpen() method of a VFS implementation, or **
      • A filename obtained from [sqlite3_db_filename()], or **
      • A new filename constructed using [sqlite3_create_filename()]. **
      @@ -3871,7 +3875,7 @@ SQLITE_API sqlite3_file *sqlite3_database_file_object(const char*); /* ** CAPI3REF: Create and Destroy VFS Filenames ** -** These interfces are provided for use by [VFS shim] implementations and +** These interfaces are provided for use by [VFS shim] implementations and ** are not useful outside of that context. ** ** The sqlite3_create_filename(D,J,W,N,P) allocates memory to hold a version of @@ -4418,6 +4422,41 @@ SQLITE_API int sqlite3_stmt_readonly(sqlite3_stmt *pStmt); */ SQLITE_API int sqlite3_stmt_isexplain(sqlite3_stmt *pStmt); +/* +** CAPI3REF: Change The EXPLAIN Setting For A Prepared Statement +** METHOD: sqlite3_stmt +** +** The sqlite3_stmt_explain(S,E) interface changes the EXPLAIN +** setting for [prepared statement] S. If E is zero, then S becomes +** a normal prepared statement. If E is 1, then S behaves as if +** its SQL text began with "[EXPLAIN]". If E is 2, then S behaves as if +** its SQL text began with "[EXPLAIN QUERY PLAN]". +** +** Calling sqlite3_stmt_explain(S,E) might cause S to be reprepared. +** SQLite tries to avoid a reprepare, but a reprepare might be necessary +** on the first transition into EXPLAIN or EXPLAIN QUERY PLAN mode. +** +** Because of the potential need to reprepare, a call to +** sqlite3_stmt_explain(S,E) will fail with SQLITE_ERROR if S cannot be +** reprepared because it was created using [sqlite3_prepare()] instead of +** the newer [sqlite3_prepare_v2()] or [sqlite3_prepare_v3()] interfaces and +** hence has no saved SQL text with which to reprepare. +** +** Changing the explain setting for a prepared statement does not change +** the original SQL text for the statement. Hence, if the SQL text originally +** began with EXPLAIN or EXPLAIN QUERY PLAN, but sqlite3_stmt_explain(S,0) +** is called to convert the statement into an ordinary statement, the EXPLAIN +** or EXPLAIN QUERY PLAN keywords will still appear in the sqlite3_sql(S) +** output, even though the statement now acts like a normal SQL statement. +** +** This routine returns SQLITE_OK if the explain mode is successfully +** changed, or an error code if the explain mode could not be changed. +** The explain mode cannot be changed while a statement is active. +** Hence, it is good practice to call [sqlite3_reset(S)] +** immediately prior to calling sqlite3_stmt_explain(S,E). +*/ +SQLITE_API int sqlite3_stmt_explain(sqlite3_stmt *pStmt, int eMode); + /* ** CAPI3REF: Determine If A Prepared Statement Has Been Reset ** METHOD: sqlite3_stmt @@ -4581,7 +4620,7 @@ typedef struct sqlite3_context sqlite3_context; ** with it may be passed. ^It is called to dispose of the BLOB or string even ** if the call to the bind API fails, except the destructor is not called if ** the third parameter is a NULL pointer or the fourth parameter is negative. -** ^ (2) The special constant, [SQLITE_STATIC], may be passsed to indicate that +** ^ (2) The special constant, [SQLITE_STATIC], may be passed to indicate that ** the application remains responsible for disposing of the object. ^In this ** case, the object and the provided pointer to it must remain valid until ** either the prepared statement is finalized or the same SQL parameter is @@ -5260,14 +5299,26 @@ SQLITE_API int sqlite3_finalize(sqlite3_stmt *pStmt); ** ^The [sqlite3_reset(S)] interface resets the [prepared statement] S ** back to the beginning of its program. ** -** ^If the most recent call to [sqlite3_step(S)] for the -** [prepared statement] S returned [SQLITE_ROW] or [SQLITE_DONE], -** or if [sqlite3_step(S)] has never before been called on S, -** then [sqlite3_reset(S)] returns [SQLITE_OK]. +** ^The return code from [sqlite3_reset(S)] indicates whether or not +** the previous evaluation of prepared statement S completed successfully. +** ^If [sqlite3_step(S)] has never before been called on S or if +** [sqlite3_step(S)] has not been called since the previous call +** to [sqlite3_reset(S)], then [sqlite3_reset(S)] will return +** [SQLITE_OK]. ** ** ^If the most recent call to [sqlite3_step(S)] for the ** [prepared statement] S indicated an error, then ** [sqlite3_reset(S)] returns an appropriate [error code]. +** ^The [sqlite3_reset(S)] interface might also return an [error code] +** if there were no prior errors but the process of resetting +** the prepared statement caused a new error. ^For example, if an +** [INSERT] statement with a [RETURNING] clause is only stepped one time, +** that one call to [sqlite3_step(S)] might return SQLITE_ROW but +** the overall statement might still fail and the [sqlite3_reset(S)] call +** might return SQLITE_BUSY if locking constraints prevent the +** database change from committing. Therefore, it is important that +** applications check the return code from [sqlite3_reset(S)] even if +** no prior call to [sqlite3_step(S)] indicated a problem. ** ** ^The [sqlite3_reset(S)] interface does not change the values ** of any [sqlite3_bind_blob|bindings] on the [prepared statement] S. @@ -5484,7 +5535,7 @@ SQLITE_API int sqlite3_create_window_function( ** [application-defined SQL function] ** that has side-effects or that could potentially leak sensitive information. ** This will prevent attacks in which an application is tricked -** into using a database file that has had its schema surreptiously +** into using a database file that has had its schema surreptitiously ** modified to invoke the application-defined function in ways that are ** harmful. **

      @@ -8161,7 +8212,8 @@ SQLITE_API int sqlite3_test_control(int op, ...); #define SQLITE_TESTCTRL_TRACEFLAGS 31 #define SQLITE_TESTCTRL_TUNE 32 #define SQLITE_TESTCTRL_LOGEST 33 -#define SQLITE_TESTCTRL_LAST 33 /* Largest TESTCTRL */ +#define SQLITE_TESTCTRL_USELONGDOUBLE 34 +#define SQLITE_TESTCTRL_LAST 34 /* Largest TESTCTRL */ /* ** CAPI3REF: SQL Keyword Checking @@ -9193,8 +9245,8 @@ SQLITE_API int sqlite3_backup_pagecount(sqlite3_backup *p); ** blocked connection already has a registered unlock-notify callback, ** then the new callback replaces the old.)^ ^If sqlite3_unlock_notify() is ** called with a NULL pointer as its second argument, then any existing -** unlock-notify callback is canceled. ^The blocked connections -** unlock-notify callback may also be canceled by closing the blocked +** unlock-notify callback is cancelled. ^The blocked connections +** unlock-notify callback may also be cancelled by closing the blocked ** connection using [sqlite3_close()]. ** ** The unlock-notify callback is not reentrant. If an application invokes @@ -9617,7 +9669,7 @@ SQLITE_API int sqlite3_vtab_config(sqlite3*, int op, ...); ** [[SQLITE_VTAB_DIRECTONLY]]

      SQLITE_VTAB_DIRECTONLY
      **
      Calls of the form ** [sqlite3_vtab_config](db,SQLITE_VTAB_DIRECTONLY) from within the -** the [xConnect] or [xCreate] methods of a [virtual table] implmentation +** the [xConnect] or [xCreate] methods of a [virtual table] implementation ** prohibits that virtual table from being used from within triggers and ** views. **
      @@ -9807,7 +9859,7 @@ SQLITE_API int sqlite3_vtab_distinct(sqlite3_index_info*); ** communicated to the xBestIndex method as a ** [SQLITE_INDEX_CONSTRAINT_EQ] constraint.)^ If xBestIndex wants to use ** this constraint, it must set the corresponding -** aConstraintUsage[].argvIndex to a postive integer. ^(Then, under +** aConstraintUsage[].argvIndex to a positive integer. ^(Then, under ** the usual mode of handling IN operators, SQLite generates [bytecode] ** that invokes the [xFilter|xFilter() method] once for each value ** on the right-hand side of the IN operator.)^ Thus the virtual table @@ -10236,7 +10288,7 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3*); ** When the [sqlite3_blob_write()] API is used to update a blob column, ** the pre-update hook is invoked with SQLITE_DELETE. This is because the ** in this case the new values are not available. In this case, when a -** callback made with op==SQLITE_DELETE is actuall a write using the +** callback made with op==SQLITE_DELETE is actually a write using the ** sqlite3_blob_write() API, the [sqlite3_preupdate_blobwrite()] returns ** the index of the column being written. In other cases, where the ** pre-update hook is being invoked for some other reason, including a @@ -12754,7 +12806,7 @@ struct Fts5PhraseIter { ** See xPhraseFirstColumn above. */ struct Fts5ExtensionApi { - int iVersion; /* Currently always set to 3 */ + int iVersion; /* Currently always set to 2 */ void *(*xUserData)(Fts5Context*); @@ -12983,8 +13035,8 @@ struct Fts5ExtensionApi { ** as separate queries of the FTS index are required for each synonym. ** ** When using methods (2) or (3), it is important that the tokenizer only -** provide synonyms when tokenizing document text (method (2)) or query -** text (method (3)), not both. Doing so will not cause any errors, but is +** provide synonyms when tokenizing document text (method (3)) or query +** text (method (2)), not both. Doing so will not cause any errors, but is ** inefficient. */ typedef struct Fts5Tokenizer Fts5Tokenizer; @@ -13032,7 +13084,7 @@ struct fts5_api { int (*xCreateTokenizer)( fts5_api *pApi, const char *zName, - void *pContext, + void *pUserData, fts5_tokenizer *pTokenizer, void (*xDestroy)(void*) ); @@ -13041,7 +13093,7 @@ struct fts5_api { int (*xFindTokenizer)( fts5_api *pApi, const char *zName, - void **ppContext, + void **ppUserData, fts5_tokenizer *pTokenizer ); @@ -13049,7 +13101,7 @@ struct fts5_api { int (*xCreateFunction)( fts5_api *pApi, const char *zName, - void *pContext, + void *pUserData, fts5_extension_function xFunction, void (*xDestroy)(void*) ); -- cgit v1.2.3