diff options
Diffstat (limited to 'lib/libsqlite3/src/sqliteInt.h')
| -rw-r--r-- | lib/libsqlite3/src/sqliteInt.h | 278 |
1 files changed, 99 insertions, 179 deletions
diff --git a/lib/libsqlite3/src/sqliteInt.h b/lib/libsqlite3/src/sqliteInt.h index 5950f237d9f..025bb466d50 100644 --- a/lib/libsqlite3/src/sqliteInt.h +++ b/lib/libsqlite3/src/sqliteInt.h @@ -114,7 +114,7 @@ ** The SQLITE_THREADSAFE macro must be defined as 0, 1, or 2. ** 0 means mutexes are permanently disable and the library is never ** threadsafe. 1 means the library is serialized which is the highest -** level of threadsafety. 2 means the libary is multithreaded - multiple +** level of threadsafety. 2 means the library is multithreaded - multiple ** threads can use SQLite as long as no two threads try to use the same ** database connection at the same time. ** @@ -161,9 +161,6 @@ ** will cause HeapValidate to be called. If heap validation should fail, an ** assertion will be triggered. ** -** (Historical note: There used to be several other options, but we've -** pared it down to just these three.) -** ** If none of the above are defined, then set SQLITE_SYSTEM_MALLOC as ** the default. */ @@ -193,27 +190,12 @@ /* ** We need to define _XOPEN_SOURCE as follows in order to enable -** recursive mutexes on most Unix systems. But Mac OS X is different. -** The _XOPEN_SOURCE define causes problems for Mac OS X we are told, -** so it is omitted there. See ticket #2673. -** -** Later we learn that _XOPEN_SOURCE is poorly or incorrectly -** implemented on some systems. So we avoid defining it at all -** if it is already defined or if it is unneeded because we are -** not doing a threadsafe build. Ticket #2681. -** -** See also ticket #2741. +** recursive mutexes on most Unix systems and fchmod() on OpenBSD. +** But _XOPEN_SOURCE define causes problems for Mac OS X, so omit +** it. */ -#if !defined(_XOPEN_SOURCE) && !defined(__DARWIN__) \ - && !defined(__APPLE__) && SQLITE_THREADSAFE -# define _XOPEN_SOURCE 500 /* Needed to enable pthread recursive mutexes */ -#endif - -/* -** The TCL headers are only needed when compiling the TCL bindings. -*/ -#if defined(SQLITE_TCL) || defined(TCLSH) -# include <tcl.h> +#if !defined(_XOPEN_SOURCE) && !defined(__DARWIN__) && !defined(__APPLE__) +# define _XOPEN_SOURCE 600 #endif /* @@ -221,8 +203,8 @@ ** defined(NDEBUG)==!defined(SQLITE_DEBUG). If this is not currently true, ** make it true by defining or undefining NDEBUG. ** -** Setting NDEBUG makes the code smaller and run faster by disabling the -** number assert() statements in the code. So we want the default action +** Setting NDEBUG makes the code smaller and faster by disabling the +** assert() statements in the code. So we want the default action ** to be for NDEBUG to be set and NDEBUG to be undefined only if SQLITE_DEBUG ** is set. Thus NDEBUG becomes an opt-in rather than an opt-out ** feature. @@ -292,7 +274,7 @@ ** In other words, ALWAYS and NEVER are added for defensive code. ** ** When doing coverage testing ALWAYS and NEVER are hard-coded to -** be true and false so that the unreachable code then specify will +** be true and false so that the unreachable code they specify will ** not be counted as untested code. */ #if defined(SQLITE_COVERAGE_TEST) @@ -316,16 +298,12 @@ /* ** The macro unlikely() is a hint that surrounds a boolean ** expression that is usually false. Macro likely() surrounds -** a boolean expression that is usually true. GCC is able to -** use these hints to generate better code, sometimes. +** a boolean expression that is usually true. These hints could, +** in theory, be used by the compiler to generate better code, but +** currently they are just comments for human readers. */ -#if defined(__GNUC__) && 0 -# define likely(X) __builtin_expect((X),1) -# define unlikely(X) __builtin_expect((X),0) -#else -# define likely(X) !!(X) -# define unlikely(X) !!(X) -#endif +#define likely(X) (X) +#define unlikely(X) (X) #include "sqlite3.h" #include "hash.h" @@ -404,6 +382,12 @@ #endif /* +** Macros to compute minimum and maximum of two numbers. +*/ +#define MIN(A,B) ((A)<(B)?(A):(B)) +#define MAX(A,B) ((A)>(B)?(A):(B)) + +/* ** Check to see if this machine uses EBCDIC. (Yes, believe it or ** not, there are still machines out there that use EBCDIC.) */ @@ -728,9 +712,7 @@ typedef struct UnpackedRecord UnpackedRecord; typedef struct VTable VTable; typedef struct VtabCtx VtabCtx; typedef struct Walker Walker; -typedef struct WherePlan WherePlan; typedef struct WhereInfo WhereInfo; -typedef struct WhereLevel WhereLevel; /* ** Defer sourcing vdbe.h and btree.h until after the "u8" and @@ -756,7 +738,6 @@ typedef struct WhereLevel WhereLevel; struct Db { char *zName; /* Name of this database */ Btree *pBt; /* The B*Tree structure for this database file */ - u8 inTrans; /* 0: not writable. 1: Transaction. 2: Checkpoint */ u8 safety_level; /* How aggressive at syncing data to disk */ Schema *pSchema; /* Pointer to database schema (possibly shared) */ }; @@ -902,9 +883,10 @@ struct sqlite3 { u8 busy; /* TRUE if currently initializing */ u8 orphanTrigger; /* Last statement is orphaned TEMP trigger */ } init; - int activeVdbeCnt; /* Number of VDBEs currently executing */ - int writeVdbeCnt; /* Number of active VDBEs that are writing */ - int vdbeExecCnt; /* Number of nested calls to VdbeExec() */ + int nVdbeActive; /* Number of VDBEs currently running */ + int nVdbeRead; /* Number of active VDBEs that read or write */ + int nVdbeWrite; /* Number of active VDBEs that read and write */ + int nVdbeExec; /* Number of nested calls to VdbeExec() */ int nExtension; /* Number of loaded extensions */ void **aExtension; /* Array of shared library handles */ void (*xTrace)(void*,const char*); /* Trace function */ @@ -940,7 +922,7 @@ struct sqlite3 { #ifndef SQLITE_OMIT_PROGRESS_CALLBACK int (*xProgress)(void *); /* The progress callback */ void *pProgressArg; /* Argument to the progress callback */ - int nProgressOps; /* Number of opcodes for progress callback */ + unsigned nProgressOps; /* Number of opcodes for progress callback */ #endif #ifndef SQLITE_OMIT_VIRTUALTABLE int nVTrans; /* Allocated size of aVTrans */ @@ -958,6 +940,7 @@ struct sqlite3 { int nSavepoint; /* Number of non-transaction savepoints */ int nStatement; /* Number of nested statement-transactions */ i64 nDeferredCons; /* Net deferred constraints this transaction. */ + i64 nDeferredImmCons; /* Net deferred immediate constraints */ int *pnBytesFreed; /* If not NULL, increment this in DbFree() */ #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY @@ -989,30 +972,34 @@ struct sqlite3 { */ #define SQLITE_VdbeTrace 0x00000001 /* True to trace VDBE execution */ #define SQLITE_InternChanges 0x00000002 /* Uncommitted Hash table changes */ -#define SQLITE_FullColNames 0x00000004 /* Show full column names on SELECT */ -#define SQLITE_ShortColNames 0x00000008 /* Show short columns names */ -#define SQLITE_CountRows 0x00000010 /* Count rows changed by INSERT, */ +#define SQLITE_FullFSync 0x00000004 /* Use full fsync on the backend */ +#define SQLITE_CkptFullFSync 0x00000008 /* Use full fsync for checkpoint */ +#define SQLITE_CacheSpill 0x00000010 /* OK to spill pager cache */ +#define SQLITE_FullColNames 0x00000020 /* Show full column names on SELECT */ +#define SQLITE_ShortColNames 0x00000040 /* Show short columns names */ +#define SQLITE_CountRows 0x00000080 /* Count rows changed by INSERT, */ /* DELETE, or UPDATE and return */ /* the count using a callback. */ -#define SQLITE_NullCallback 0x00000020 /* Invoke the callback once if the */ +#define SQLITE_NullCallback 0x00000100 /* Invoke the callback once if the */ /* result set is empty */ -#define SQLITE_SqlTrace 0x00000040 /* Debug print SQL as it executes */ -#define SQLITE_VdbeListing 0x00000080 /* Debug listings of VDBE programs */ -#define SQLITE_WriteSchema 0x00000100 /* OK to update SQLITE_MASTER */ -#define SQLITE_VdbeAddopTrace 0x00000200 /* Trace sqlite3VdbeAddOp() calls */ -#define SQLITE_IgnoreChecks 0x00000400 /* Do not enforce check constraints */ -#define SQLITE_ReadUncommitted 0x0000800 /* For shared-cache mode */ -#define SQLITE_LegacyFileFmt 0x00001000 /* Create new databases in format 1 */ -#define SQLITE_FullFSync 0x00002000 /* Use full fsync on the backend */ -#define SQLITE_CkptFullFSync 0x00004000 /* Use full fsync for checkpoint */ -#define SQLITE_RecoveryMode 0x00008000 /* Ignore schema errors */ -#define SQLITE_ReverseOrder 0x00010000 /* Reverse unordered SELECTs */ -#define SQLITE_RecTriggers 0x00020000 /* Enable recursive triggers */ -#define SQLITE_ForeignKeys 0x00040000 /* Enforce foreign key constraints */ -#define SQLITE_AutoIndex 0x00080000 /* Enable automatic indexes */ -#define SQLITE_PreferBuiltin 0x00100000 /* Preference to built-in funcs */ -#define SQLITE_LoadExtension 0x00200000 /* Enable load_extension */ -#define SQLITE_EnableTrigger 0x00400000 /* True to enable triggers */ +#define SQLITE_SqlTrace 0x00000200 /* Debug print SQL as it executes */ +#define SQLITE_VdbeListing 0x00000400 /* Debug listings of VDBE programs */ +#define SQLITE_WriteSchema 0x00000800 /* OK to update SQLITE_MASTER */ +#define SQLITE_VdbeAddopTrace 0x00001000 /* Trace sqlite3VdbeAddOp() calls */ +#define SQLITE_IgnoreChecks 0x00002000 /* Do not enforce check constraints */ +#define SQLITE_ReadUncommitted 0x0004000 /* For shared-cache mode */ +#define SQLITE_LegacyFileFmt 0x00008000 /* Create new databases in format 1 */ +#define SQLITE_RecoveryMode 0x00010000 /* Ignore schema errors */ +#define SQLITE_ReverseOrder 0x00020000 /* Reverse unordered SELECTs */ +#define SQLITE_RecTriggers 0x00040000 /* Enable recursive triggers */ +#define SQLITE_ForeignKeys 0x00080000 /* Enforce foreign key constraints */ +#define SQLITE_AutoIndex 0x00100000 /* Enable automatic indexes */ +#define SQLITE_PreferBuiltin 0x00200000 /* Preference to built-in funcs */ +#define SQLITE_LoadExtension 0x00400000 /* Enable load_extension */ +#define SQLITE_EnableTrigger 0x00800000 /* True to enable triggers */ +#define SQLITE_DeferFKs 0x01000000 /* Defer all FK constraints */ +#define SQLITE_QueryOnly 0x02000000 /* Disable database changes */ + /* ** Bits of the sqlite3.dbOptFlags field that are used by the @@ -1029,6 +1016,8 @@ struct sqlite3 { #define SQLITE_OrderByIdxJoin 0x0080 /* ORDER BY of joins via index */ #define SQLITE_SubqCoroutine 0x0100 /* Evaluate subqueries as coroutines */ #define SQLITE_Transitive 0x0200 /* Transitive constraints */ +#define SQLITE_OmitNoopJoin 0x0400 /* Omit unused tables in joins */ +#define SQLITE_Stat3 0x0800 /* Use the SQLITE_STAT3 table */ #define SQLITE_AllOpts 0xffff /* All optimizations */ /* @@ -1157,6 +1146,7 @@ struct FuncDestructor { struct Savepoint { char *zName; /* Savepoint name (nul-terminated) */ i64 nDeferredCons; /* Number of deferred fk violations */ + i64 nDeferredImmCons; /* Number of deferred imm fk. */ Savepoint *pNext; /* Parent savepoint (if any) */ }; @@ -1475,12 +1465,16 @@ struct FKey { ** An instance of the following structure is passed as the first ** argument to sqlite3VdbeKeyCompare and is used to control the ** comparison of the two index keys. +** +** Note that aSortOrder[] and aColl[] have nField+1 slots. There +** are nField slots for the columns of an index then one extra slot +** for the rowid at the end. */ struct KeyInfo { sqlite3 *db; /* The database connection */ u8 enc; /* Text encoding - one of the SQLITE_UTF* values */ - u16 nField; /* Number of entries in aColl[] */ - u8 *aSortOrder; /* Sort order for each column. May be NULL */ + u16 nField; /* Maximum index for aColl[] and aSortOrder[] */ + u8 *aSortOrder; /* Sort order for each column. */ CollSeq *aColl[1]; /* Collating sequence for each term of the key */ }; @@ -1549,11 +1543,13 @@ struct Index { Schema *pSchema; /* Schema containing this index */ u8 *aSortOrder; /* for each column: True==DESC, False==ASC */ char **azColl; /* Array of collation sequence names for index */ + Expr *pPartIdxWhere; /* WHERE clause for partial indices */ int tnum; /* DB Page containing root of this index */ u16 nColumn; /* Number of columns in table used by this index */ u8 onError; /* OE_Abort, OE_Ignore, OE_Replace, or OE_None */ unsigned autoIndex:2; /* 1==UNIQUE, 2==PRIMARY KEY, 0==CREATE INDEX */ unsigned bUnordered:1; /* Use this index for == or IN queries only */ + unsigned uniqNotNull:1; /* True if UNIQUE and NOT NULL for all columns */ #ifdef SQLITE_ENABLE_STAT3 int nSample; /* Number of elements in aSample[] */ tRowcnt avgEq; /* Average nEq value for key values not in aSample */ @@ -1900,6 +1896,11 @@ typedef u64 Bitmask; #define BMS ((int)(sizeof(Bitmask)*8)) /* +** A bit in a Bitmask +*/ +#define MASKBIT(n) (((Bitmask)1)<<(n)) + +/* ** The following structure describes the FROM clause of a SELECT statement. ** Each table or subquery in the FROM clause is a separate element of ** the SrcList.a[] array. @@ -1919,8 +1920,8 @@ typedef u64 Bitmask; ** contains more than 63 columns and the 64-th or later column is used. */ struct SrcList { - i16 nSrc; /* Number of tables or subqueries in the FROM clause */ - i16 nAlloc; /* Number of entries allocated in a[] below */ + u8 nSrc; /* Number of tables or subqueries in the FROM clause */ + u8 nAlloc; /* Number of entries allocated in a[] below */ struct SrcList_item { Schema *pSchema; /* Schema to which this item is fixed */ char *zDatabase; /* Name of database holding this table */ @@ -1959,79 +1960,6 @@ struct SrcList { /* -** A WherePlan object holds information that describes a lookup -** strategy. -** -** This object is intended to be opaque outside of the where.c module. -** It is included here only so that that compiler will know how big it -** is. None of the fields in this object should be used outside of -** the where.c module. -** -** Within the union, pIdx is only used when wsFlags&WHERE_INDEXED is true. -** pTerm is only used when wsFlags&WHERE_MULTI_OR is true. And pVtabIdx -** is only used when wsFlags&WHERE_VIRTUALTABLE is true. It is never the -** case that more than one of these conditions is true. -*/ -struct WherePlan { - u32 wsFlags; /* WHERE_* flags that describe the strategy */ - u16 nEq; /* Number of == constraints */ - u16 nOBSat; /* Number of ORDER BY terms satisfied */ - double nRow; /* Estimated number of rows (for EQP) */ - union { - Index *pIdx; /* Index when WHERE_INDEXED is true */ - struct WhereTerm *pTerm; /* WHERE clause term for OR-search */ - sqlite3_index_info *pVtabIdx; /* Virtual table index to use */ - } u; -}; - -/* -** For each nested loop in a WHERE clause implementation, the WhereInfo -** structure contains a single instance of this structure. This structure -** is intended to be private to the where.c module and should not be -** access or modified by other modules. -** -** The pIdxInfo field is used to help pick the best index on a -** virtual table. The pIdxInfo pointer contains indexing -** information for the i-th table in the FROM clause before reordering. -** All the pIdxInfo pointers are freed by whereInfoFree() in where.c. -** All other information in the i-th WhereLevel object for the i-th table -** after FROM clause ordering. -*/ -struct WhereLevel { - WherePlan plan; /* query plan for this element of the FROM clause */ - int iLeftJoin; /* Memory cell used to implement LEFT OUTER JOIN */ - int iTabCur; /* The VDBE cursor used to access the table */ - int iIdxCur; /* The VDBE cursor used to access pIdx */ - int addrBrk; /* Jump here to break out of the loop */ - int addrNxt; /* Jump here to start the next IN combination */ - int addrCont; /* Jump here to continue with the next loop cycle */ - int addrFirst; /* First instruction of interior of the loop */ - u8 iFrom; /* Which entry in the FROM clause */ - u8 op, p5; /* Opcode and P5 of the opcode that ends the loop */ - int p1, p2; /* Operands of the opcode used to ends the loop */ - union { /* Information that depends on plan.wsFlags */ - struct { - int nIn; /* Number of entries in aInLoop[] */ - struct InLoop { - int iCur; /* The VDBE cursor used by this IN operator */ - int addrInTop; /* Top of the IN loop */ - u8 eEndLoopOp; /* IN Loop terminator. OP_Next or OP_Prev */ - } *aInLoop; /* Information about each nested IN operator */ - } in; /* Used when plan.wsFlags&WHERE_IN_ABLE */ - Index *pCovidx; /* Possible covering index for WHERE_MULTI_OR */ - } u; - double rOptCost; /* "Optimal" cost for this level */ - - /* The following field is really not part of the current level. But - ** we need a place to cache virtual table index information for each - ** virtual table in the FROM clause and the WhereLevel structure is - ** a convenient place since there is one WhereLevel for each FROM clause - ** element. - */ - sqlite3_index_info *pIdxInfo; /* Index info for n-th source table */ -}; - -/* ** Flags appropriate for the wctrlFlags parameter of sqlite3WhereBegin() ** and the WhereInfo.wctrlFlags member. */ @@ -2044,33 +1972,12 @@ struct WhereLevel { #define WHERE_FORCE_TABLE 0x0020 /* Do not use an index-only search */ #define WHERE_ONETABLE_ONLY 0x0040 /* Only code the 1st table in pTabList */ #define WHERE_AND_ONLY 0x0080 /* Don't use indices for OR terms */ +#define WHERE_GROUPBY 0x0100 /* pOrderBy is really a GROUP BY */ +#define WHERE_DISTINCTBY 0x0200 /* pOrderby is really a DISTINCT clause */ +#define WHERE_WANT_DISTINCT 0x0400 /* All output needs to be distinct */ -/* -** The WHERE clause processing routine has two halves. The -** first part does the start of the WHERE loop and the second -** half does the tail of the WHERE loop. An instance of -** this structure is returned by the first half and passed -** into the second half to give some continuity. -*/ -struct WhereInfo { - Parse *pParse; /* Parsing and code generating context */ - SrcList *pTabList; /* List of tables in the join */ - u16 nOBSat; /* Number of ORDER BY terms satisfied by indices */ - u16 wctrlFlags; /* Flags originally passed to sqlite3WhereBegin() */ - u8 okOnePass; /* Ok to use one-pass algorithm for UPDATE/DELETE */ - u8 untestedTerms; /* Not all WHERE terms resolved by outer loop */ - u8 eDistinct; /* One of the WHERE_DISTINCT_* values below */ - int iTop; /* The very beginning of the WHERE loop */ - int iContinue; /* Jump here to continue with next record */ - int iBreak; /* Jump here to break out of the loop */ - int nLevel; /* Number of nested loop */ - struct WhereClause *pWC; /* Decomposition of the WHERE clause */ - double savedNQueryLoop; /* pParse->nQueryLoop outside the WHERE loop */ - double nRowOut; /* Estimated number of output rows */ - WhereLevel a[1]; /* Information about each nest loop in WHERE */ -}; - -/* Allowed values for WhereInfo.eDistinct and DistinctCtx.eTnctType */ +/* Allowed return values from sqlite3WhereIsDistinct() +*/ #define WHERE_DISTINCT_NOOP 0 /* DISTINCT keyword not used */ #define WHERE_DISTINCT_UNIQUE 1 /* No duplicates */ #define WHERE_DISTINCT_ORDERED 2 /* All duplicates are adjacent */ @@ -2100,7 +2007,7 @@ struct WhereInfo { struct NameContext { Parse *pParse; /* The parser */ SrcList *pSrcList; /* One or more tables used to resolve names */ - ExprList *pEList; /* Optional list of named expressions */ + ExprList *pEList; /* Optional list of result-set columns */ AggInfo *pAggInfo; /* Information about aggregates at this level */ NameContext *pNext; /* Next outer name context. NULL for outermost */ int nRef; /* Number of names resolved by this context */ @@ -2115,8 +2022,7 @@ struct NameContext { #define NC_HasAgg 0x02 /* One or more aggregate functions seen */ #define NC_IsCheck 0x04 /* True if resolving names in a CHECK constraint */ #define NC_InAggFunc 0x08 /* True if analyzing arguments to an agg func */ -#define NC_AsMaybe 0x10 /* Resolve to AS terms of the result set only - ** if no other resolution is available */ +#define NC_PartIdx 0x10 /* True if resolving a partial index WHERE */ /* ** An instance of the following structure contains all information @@ -2144,7 +2050,7 @@ struct Select { u16 selFlags; /* Various SF_* values */ int iLimit, iOffset; /* Memory registers holding LIMIT & OFFSET counters */ int addrOpenEphm[3]; /* OP_OpenEphem opcodes related to this select */ - double nSelectRow; /* Estimated number of result rows */ + u64 nSelectRow; /* Estimated number of result rows */ SrcList *pSrc; /* The FROM clause */ Expr *pWhere; /* The WHERE clause */ ExprList *pGroupBy; /* The GROUP BY clause */ @@ -2171,6 +2077,7 @@ struct Select { #define SF_Values 0x0080 /* Synthesized from VALUES clause */ #define SF_Materialize 0x0100 /* Force materialization of views */ #define SF_NestedFrom 0x0200 /* Part of a parenthesized FROM clause */ +#define SF_MaybeConvert 0x0400 /* Need convertCompoundSelectToSubquery() */ /* @@ -2292,6 +2199,7 @@ struct Parse { u8 iColCache; /* Next entry in aColCache[] to replace */ u8 isMultiWrite; /* True if statement may modify/insert multiple rows */ u8 mayAbort; /* True if statement may throw an ABORT exception */ + u8 hasCompound; /* Need to invoke convertCompoundSelectToSubquery() */ int aTempReg[8]; /* Holding area for temporary registers */ int nRangeReg; /* Size of the temporary register block */ int iRangeReg; /* First register in temporary register block */ @@ -2301,6 +2209,7 @@ struct Parse { int nSet; /* Number of sets used so far */ int nOnce; /* Number of OP_Once instructions so far */ int ckBase; /* Base register of data during check constraints */ + int iPartIdxTab; /* Table corresponding to a partial index */ int iCacheLevel; /* ColCache valid when aColCache[].iLevel<=iCacheLevel */ int iCacheCnt; /* Counter used to generate aColCache[].lru values */ struct yColCache { @@ -2328,7 +2237,7 @@ struct Parse { /* Information used while coding trigger programs. */ Parse *pToplevel; /* Parse structure for main program (or NULL) */ Table *pTriggerTab; /* Table triggers are being coded for */ - double nQueryLoop; /* Estimated number of iterations of a query */ + 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 */ u8 eTriggerOp; /* TK_UPDATE, TK_INSERT or TK_DELETE */ @@ -2516,10 +2425,11 @@ struct StrAccum { int nChar; /* Length of the string so far */ int nAlloc; /* Amount of space allocated in zText */ int mxAlloc; /* Maximum allowed string length */ - u8 mallocFailed; /* Becomes true if any memory allocation fails */ u8 useMalloc; /* 0: none, 1: sqlite3DbMalloc, 2: sqlite3_malloc */ - u8 tooBig; /* Becomes true if string size exceeds limits */ + u8 accError; /* STRACCUM_NOMEM or STRACCUM_TOOBIG */ }; +#define STRACCUM_NOMEM 1 +#define STRACCUM_TOOBIG 2 /* ** A pointer to this structure is used to communicate information @@ -2882,7 +2792,7 @@ void sqlite3SrcListAssignCursors(Parse*, SrcList*); void sqlite3IdListDelete(sqlite3*, IdList*); void sqlite3SrcListDelete(sqlite3*, SrcList*); Index *sqlite3CreateIndex(Parse*,Token*,Token*,SrcList*,ExprList*,int,Token*, - Token*, int, int); + Expr*, int, int); void sqlite3DropIndex(Parse*, SrcList*, int); int sqlite3Select(Parse*, Select*, SelectDest*); Select *sqlite3SelectNew(Parse*,ExprList*,SrcList*,Expr*,ExprList*, @@ -2898,6 +2808,12 @@ void sqlite3DeleteFrom(Parse*, SrcList*, Expr*); void sqlite3Update(Parse*, SrcList*, ExprList*, Expr*, int); WhereInfo *sqlite3WhereBegin(Parse*,SrcList*,Expr*,ExprList*,ExprList*,u16,int); void sqlite3WhereEnd(WhereInfo*); +u64 sqlite3WhereOutputRowCount(WhereInfo*); +int sqlite3WhereIsDistinct(WhereInfo*); +int sqlite3WhereIsOrdered(WhereInfo*); +int sqlite3WhereContinueLabel(WhereInfo*); +int sqlite3WhereBreakLabel(WhereInfo*); +int sqlite3WhereOkOnePass(WhereInfo*); int sqlite3ExprCodeGetColumn(Parse*, Table*, int, int, int, u8); void sqlite3ExprCodeGetColumnOfTable(Vdbe*, Table*, int, int, int); void sqlite3ExprCodeMove(Parse*, int, int, int); @@ -2924,8 +2840,9 @@ void sqlite3UnlinkAndDeleteIndex(sqlite3*,int,const char*); void sqlite3Vacuum(Parse*); int sqlite3RunVacuum(char**, sqlite3*); char *sqlite3NameFromToken(sqlite3*, Token*); -int sqlite3ExprCompare(Expr*, Expr*); -int sqlite3ExprListCompare(ExprList*, ExprList*); +int sqlite3ExprCompare(Expr*, Expr*, int); +int sqlite3ExprListCompare(ExprList*, ExprList*, int); +int sqlite3ExprImpliesExpr(Expr*, Expr*, int); void sqlite3ExprAnalyzeAggregates(NameContext*, Expr*); void sqlite3ExprAnalyzeAggList(NameContext*,ExprList*); int sqlite3FunctionUsesThisSrc(Expr*, SrcList*); @@ -2952,7 +2869,7 @@ int sqlite3ExprNeedsNoAffinityChange(const Expr*, char); int sqlite3IsRowid(const char*); void sqlite3GenerateRowDelete(Parse*, Table*, int, int, int, Trigger *, int); void sqlite3GenerateRowIndexDelete(Parse*, Table*, int, int*); -int sqlite3GenerateIndexKey(Parse*, Index*, int, int, int); +int sqlite3GenerateIndexKey(Parse*, Index*, int, int, int, int*); void sqlite3GenerateConstraintChecks(Parse*,Table*,int,int, int*,int,int,int,int,int*); void sqlite3CompleteInsertion(Parse*, Table*, int, int, int*, int, int, int); @@ -3155,6 +3072,7 @@ void sqlite3SelectPrep(Parse*, Select*, NameContext*); int sqlite3MatchSpanName(const char*, const char*, const char*, const char*); int sqlite3ResolveExprNames(NameContext*, Expr*); void sqlite3ResolveSelectNames(Parse*, Select*, NameContext*); +void sqlite3ResolveSelfReference(Parse*,Table*,int,Expr*,ExprList*); int sqlite3ResolveOrderGroupBy(Parse*, Select*, ExprList*, const char*); void sqlite3ColumnDefault(Vdbe *, Table *, int, int); void sqlite3AlterFinishAddColumn(Parse *, Token *); @@ -3174,6 +3092,7 @@ void sqlite3MinimumFileFormat(Parse*, int, int); void sqlite3SchemaClear(void *); Schema *sqlite3SchemaGet(sqlite3 *, Btree *); int sqlite3SchemaToIndex(sqlite3 *db, Schema *); +KeyInfo *sqlite3KeyInfoAlloc(sqlite3*,int); KeyInfo *sqlite3IndexKeyinfo(Parse *, Index *); int sqlite3CreateFunc(sqlite3 *, const char *, int, int, void *, void (*)(sqlite3_context*,int,sqlite3_value **), @@ -3235,13 +3154,14 @@ void sqlite3AutoLoadExtensions(sqlite3*); #else void sqlite3VtabClear(sqlite3 *db, Table*); void sqlite3VtabDisconnect(sqlite3 *db, Table *p); - int sqlite3VtabSync(sqlite3 *db, char **); + int sqlite3VtabSync(sqlite3 *db, Vdbe*); int sqlite3VtabRollback(sqlite3 *db); int sqlite3VtabCommit(sqlite3 *db); void sqlite3VtabLock(VTable *); void sqlite3VtabUnlock(VTable *); void sqlite3VtabUnlockList(sqlite3*); int sqlite3VtabSavepoint(sqlite3 *, int, int); + void sqlite3VtabImportErrmsg(Vdbe*, sqlite3_vtab*); VTable *sqlite3GetVTable(sqlite3*, Table*); # define sqlite3VtabInSync(db) ((db)->nVTrans>0 && (db)->aVTrans==0) #endif |