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MFB: Upgraded libsqlite in pdo_sqlite to 3.3.7

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Ilia Alshanetsky 2006-08-14 16:35:23 +00:00
parent 3717342c9f
commit 5c01690d9b
83 changed files with 17303 additions and 7927 deletions
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48
ext/pdo_sqlite/sqlite/src/vdbeInt.h
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@ -60,6 +60,7 @@ typedef unsigned char Bool;
*/
struct Cursor {
BtCursor *pCursor; /* The cursor structure of the backend */
int iDb; /* Index of cursor database in db->aDb[] (or -1) */
i64 lastRowid; /* Last rowid from a Next or NextIdx operation */
i64 nextRowid; /* Next rowid returned by OP_NewRowid */
Bool zeroed; /* True if zeroed out and ready for reuse */
@ -82,12 +83,15 @@ struct Cursor {
KeyInfo *pKeyInfo; /* Info about index keys needed by index cursors */
int nField; /* Number of fields in the header */
i64 seqCount; /* Sequence counter */
sqlite3_vtab_cursor *pVtabCursor; /* The cursor for a virtual table */
const sqlite3_module *pModule; /* Module for cursor pVtabCursor */
/* Cached information about the header for the data record that the
** cursor is currently pointing to. Only valid if cacheValid is true.
** zRow might point to (ephemeral) data for the current row, or it might
** be NULL. */
Bool cacheValid; /* True if the cache is valid */
** aRow might point to (ephemeral) data for the current row, or it might
** be NULL.
*/
int cacheStatus; /* Cache is valid if this matches Vdbe.cacheCtr */
int payloadSize; /* Total number of bytes in the record */
u32 *aType; /* Type values for all entries in the record */
u32 *aOffset; /* Cached offsets to the start of each columns data */
@ -102,6 +106,11 @@ typedef struct Cursor Cursor;
*/
#define NBFS 32
/*
** A value for Cursor.cacheValid that means the cache is always invalid.
*/
#define CACHE_STALE 0
/*
** Internally, the vdbe manipulates nearly all SQL values as Mem
** structures. Each Mem struct may cache multiple representations (string,
@ -250,7 +259,7 @@ struct Fifo {
*/
typedef struct Context Context;
struct Context {
int lastRowid; /* Last insert rowid (sqlite3.lastRowid) */
i64 lastRowid; /* Last insert rowid (sqlite3.lastRowid) */
int nChange; /* Statement changes (Vdbe.nChanges) */
Fifo sFifo; /* Records that will participate in a DELETE or UPDATE */
};
@ -261,6 +270,14 @@ struct Context {
**
** The "sqlite3_stmt" structure pointer that is returned by sqlite3_compile()
** is really a pointer to an instance of this structure.
**
** The Vdbe.inVtabMethod variable is set to non-zero for the duration of
** any virtual table method invocations made by the vdbe program. It is
** set to 2 for xDestroy method calls and 1 for all other methods. This
** variable is used for two purposes: to allow xDestroy methods to execute
** "DROP TABLE" statements and to prevent some nasty side effects of
** malloc failure when SQLite is invoked recursively by a virtual table
** method function.
*/
struct Vdbe {
sqlite3 *db; /* The whole database */
@ -286,6 +303,7 @@ struct Vdbe {
int nMem; /* Number of memory locations currently allocated */
Mem *aMem; /* The memory locations */
int nCallback; /* Number of callbacks invoked so far */
int cacheCtr; /* Cursor row cache generation counter */
Fifo sFifo; /* A list of ROWIDs */
int contextStackTop; /* Index of top element in the context stack */
int contextStackDepth; /* The size of the "context" stack */
@ -306,8 +324,14 @@ struct Vdbe {
u8 changeCntOn; /* True to update the change-counter */
u8 aborted; /* True if ROLLBACK in another VM causes an abort */
u8 expired; /* True if the VM needs to be recompiled */
u8 minWriteFileFormat; /* Minimum file format for writable database files */
u8 inVtabMethod; /* See comments above */
int nChange; /* Number of db changes made since last reset */
i64 startTime; /* Time when query started - used for profiling */
#ifdef SQLITE_SSE
int fetchId; /* Statement number used by sqlite3_fetch_statement */
int lru; /* Counter used for LRU cache replacement */
#endif
};
/*
@ -321,7 +345,7 @@ struct Vdbe {
/*
** Function prototypes
*/
void sqlite3VdbeFreeCursor(Cursor*);
void sqlite3VdbeFreeCursor(Vdbe *, Cursor*);
void sqliteVdbePopStack(Vdbe*,int);
int sqlite3VdbeCursorMoveto(Cursor*);
#if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE)
@ -331,8 +355,8 @@ void sqlite3VdbePrintOp(FILE*, int, Op*);
void sqlite3VdbePrintSql(Vdbe*);
#endif
int sqlite3VdbeSerialTypeLen(u32);
u32 sqlite3VdbeSerialType(Mem*);
int sqlite3VdbeSerialPut(unsigned char*, Mem*);
u32 sqlite3VdbeSerialType(Mem*, int);
int sqlite3VdbeSerialPut(unsigned char*, Mem*, int);
int sqlite3VdbeSerialGet(const unsigned char*, u32, Mem*);
void sqlite3VdbeDeleteAuxData(VdbeFunc*, int);
@ -341,7 +365,7 @@ int sqlite3VdbeIdxKeyCompare(Cursor*, int , const unsigned char*, int*);
int sqlite3VdbeIdxRowid(BtCursor *, i64 *);
int sqlite3MemCompare(const Mem*, const Mem*, const CollSeq*);
int sqlite3VdbeRecordCompare(void*,int,const void*,int, const void*);
int sqlite3VdbeIdxRowidLen(int,const u8*);
int sqlite3VdbeIdxRowidLen(const u8*);
int sqlite3VdbeExec(Vdbe*);
int sqlite3VdbeList(Vdbe*);
int sqlite3VdbeHalt(Vdbe*);
@ -360,16 +384,18 @@ int sqlite3VdbeMemStringify(Mem*, int);
i64 sqlite3VdbeIntValue(Mem*);
int sqlite3VdbeMemIntegerify(Mem*);
double sqlite3VdbeRealValue(Mem*);
void sqlite3VdbeIntegerAffinity(Mem*);
int sqlite3VdbeMemRealify(Mem*);
int sqlite3VdbeMemNumerify(Mem*);
int sqlite3VdbeMemFromBtree(BtCursor*,int,int,int,Mem*);
void sqlite3VdbeMemRelease(Mem *p);
void sqlite3VdbeMemFinalize(Mem*, FuncDef*);
int sqlite3VdbeMemFinalize(Mem*, FuncDef*);
#ifndef NDEBUG
void sqlite3VdbeMemSanity(Mem*, u8);
void sqlite3VdbeMemSanity(Mem*);
int sqlite3VdbeOpcodeNoPush(u8);
#endif
int sqlite3VdbeMemTranslate(Mem*, u8);
void sqlite3VdbeMemPrettyPrint(Mem *pMem, char *zBuf, int nBuf);
void sqlite3VdbeMemPrettyPrint(Mem *pMem, char *zBuf);
int sqlite3VdbeMemHandleBom(Mem *pMem);
void sqlite3VdbeFifoInit(Fifo*);
int sqlite3VdbeFifoPush(Fifo*, i64);