| /* |
| ** 2003 September 6 |
| ** |
| ** The author disclaims copyright to this source code. In place of |
| ** a legal notice, here is a blessing: |
| ** |
| ** May you do good and not evil. |
| ** May you find forgiveness for yourself and forgive others. |
| ** May you share freely, never taking more than you give. |
| ** |
| ************************************************************************* |
| ** This is the header file for information that is private to the |
| ** VDBE. This information used to all be at the top of the single |
| ** source code file "vdbe.c". When that file became too big (over |
| ** 6000 lines long) it was split up into several smaller files and |
| ** this header information was factored out. |
| */ |
| #ifndef SQLITE_VDBEINT_H |
| #define SQLITE_VDBEINT_H |
| |
| /* |
| ** The maximum number of times that a statement will try to reparse |
| ** itself before giving up and returning SQLITE_SCHEMA. |
| */ |
| #ifndef SQLITE_MAX_SCHEMA_RETRY |
| # define SQLITE_MAX_SCHEMA_RETRY 50 |
| #endif |
| |
| /* |
| ** VDBE_DISPLAY_P4 is true or false depending on whether or not the |
| ** "explain" P4 display logic is enabled. |
| */ |
| #if !defined(SQLITE_OMIT_EXPLAIN) || !defined(NDEBUG) \ |
| || defined(VDBE_PROFILE) || defined(SQLITE_DEBUG) |
| # define VDBE_DISPLAY_P4 1 |
| #else |
| # define VDBE_DISPLAY_P4 0 |
| #endif |
| |
| /* |
| ** SQL is translated into a sequence of instructions to be |
| ** executed by a virtual machine. Each instruction is an instance |
| ** of the following structure. |
| */ |
| typedef struct VdbeOp Op; |
| |
| /* |
| ** Boolean values |
| */ |
| typedef unsigned Bool; |
| |
| /* Opaque type used by code in vdbesort.c */ |
| typedef struct VdbeSorter VdbeSorter; |
| |
| /* Elements of the linked list at Vdbe.pAuxData */ |
| typedef struct AuxData AuxData; |
| |
| /* Types of VDBE cursors */ |
| #define CURTYPE_BTREE 0 |
| #define CURTYPE_SORTER 1 |
| #define CURTYPE_VTAB 2 |
| #define CURTYPE_PSEUDO 3 |
| |
| /* |
| ** A VdbeCursor is an superclass (a wrapper) for various cursor objects: |
| ** |
| ** * A b-tree cursor |
| ** - In the main database or in an ephemeral database |
| ** - On either an index or a table |
| ** * A sorter |
| ** * A virtual table |
| ** * A one-row "pseudotable" stored in a single register |
| */ |
| typedef struct VdbeCursor VdbeCursor; |
| struct VdbeCursor { |
| u8 eCurType; /* One of the CURTYPE_* values above */ |
| i8 iDb; /* Index of cursor database in db->aDb[] (or -1) */ |
| u8 nullRow; /* True if pointing to a row with no data */ |
| u8 deferredMoveto; /* A call to sqlite3BtreeMoveto() is needed */ |
| u8 isTable; /* True for rowid tables. False for indexes */ |
| #ifdef SQLITE_DEBUG |
| u8 seekOp; /* Most recent seek operation on this cursor */ |
| u8 wrFlag; /* The wrFlag argument to sqlite3BtreeCursor() */ |
| #endif |
| Bool isEphemeral:1; /* True for an ephemeral table */ |
| Bool useRandomRowid:1; /* Generate new record numbers semi-randomly */ |
| Bool isOrdered:1; /* True if the table is not BTREE_UNORDERED */ |
| Bool seekHit:1; /* See the OP_SeekHit and OP_IfNoHope opcodes */ |
| Btree *pBtx; /* Separate file holding temporary table */ |
| i64 seqCount; /* Sequence counter */ |
| int *aAltMap; /* Mapping from table to index column numbers */ |
| |
| /* Cached OP_Column parse information is only valid if cacheStatus matches |
| ** Vdbe.cacheCtr. Vdbe.cacheCtr will never take on the value of |
| ** CACHE_STALE (0) and so setting cacheStatus=CACHE_STALE guarantees that |
| ** the cache is out of date. */ |
| u32 cacheStatus; /* Cache is valid if this matches Vdbe.cacheCtr */ |
| int seekResult; /* Result of previous sqlite3BtreeMoveto() or 0 |
| ** if there have been no prior seeks on the cursor. */ |
| /* seekResult does not distinguish between "no seeks have ever occurred |
| ** on this cursor" and "the most recent seek was an exact match". |
| ** For CURTYPE_PSEUDO, seekResult is the register holding the record */ |
| |
| /* When a new VdbeCursor is allocated, only the fields above are zeroed. |
| ** The fields that follow are uninitialized, and must be individually |
| ** initialized prior to first use. */ |
| VdbeCursor *pAltCursor; /* Associated index cursor from which to read */ |
| union { |
| BtCursor *pCursor; /* CURTYPE_BTREE or _PSEUDO. Btree cursor */ |
| sqlite3_vtab_cursor *pVCur; /* CURTYPE_VTAB. Vtab cursor */ |
| VdbeSorter *pSorter; /* CURTYPE_SORTER. Sorter object */ |
| } uc; |
| KeyInfo *pKeyInfo; /* Info about index keys needed by index cursors */ |
| u32 iHdrOffset; /* Offset to next unparsed byte of the header */ |
| Pgno pgnoRoot; /* Root page of the open btree cursor */ |
| i16 nField; /* Number of fields in the header */ |
| u16 nHdrParsed; /* Number of header fields parsed so far */ |
| i64 movetoTarget; /* Argument to the deferred sqlite3BtreeMoveto() */ |
| u32 *aOffset; /* Pointer to aType[nField] */ |
| const u8 *aRow; /* Data for the current row, if all on one page */ |
| u32 payloadSize; /* Total number of bytes in the record */ |
| u32 szRow; /* Byte available in aRow */ |
| #ifdef SQLITE_ENABLE_COLUMN_USED_MASK |
| u64 maskUsed; /* Mask of columns used by this cursor */ |
| #endif |
| |
| /* 2*nField extra array elements allocated for aType[], beyond the one |
| ** static element declared in the structure. nField total array slots for |
| ** aType[] and nField+1 array slots for aOffset[] */ |
| u32 aType[1]; /* Type values record decode. MUST BE LAST */ |
| }; |
| |
| |
| /* |
| ** A value for VdbeCursor.cacheStatus that means the cache is always invalid. |
| */ |
| #define CACHE_STALE 0 |
| |
| /* |
| ** 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 |
| ** well as the current memory cell array and various other frame specific |
| ** values stored in the Vdbe struct. When the sub-program is finished, |
| ** these values are copied back to the Vdbe from the VdbeFrame structure, |
| ** restoring the state of the VM to as it was before the sub-program |
| ** began executing. |
| ** |
| ** The memory for a VdbeFrame object is allocated and managed by a memory |
| ** cell in the parent (calling) frame. When the memory cell is deleted or |
| ** overwritten, the VdbeFrame object is not freed immediately. Instead, it |
| ** is linked into the Vdbe.pDelFrame list. The contents of the Vdbe.pDelFrame |
| ** list is deleted when the VM is reset in VdbeHalt(). The reason for doing |
| ** this instead of deleting the VdbeFrame immediately is to avoid recursive |
| ** calls to sqlite3VdbeMemRelease() when the memory cells belonging to the |
| ** child frame are released. |
| ** |
| ** The currently executing frame is stored in Vdbe.pFrame. Vdbe.pFrame is |
| ** set to NULL if the currently executing frame is the main program. |
| */ |
| typedef struct VdbeFrame VdbeFrame; |
| struct VdbeFrame { |
| Vdbe *v; /* VM this frame belongs to */ |
| VdbeFrame *pParent; /* Parent of this frame, or NULL if parent is main */ |
| Op *aOp; /* Program instructions for parent frame */ |
| i64 *anExec; /* Event counters from parent frame */ |
| Mem *aMem; /* Array of memory cells for parent frame */ |
| VdbeCursor **apCsr; /* Array of Vdbe cursors for parent frame */ |
| u8 *aOnce; /* Bitmask used by OP_Once */ |
| void *token; /* Copy of SubProgram.token */ |
| i64 lastRowid; /* Last insert rowid (sqlite3.lastRowid) */ |
| AuxData *pAuxData; /* Linked list of auxdata allocations */ |
| #if SQLITE_DEBUG |
| u32 iFrameMagic; /* magic number for sanity checking */ |
| #endif |
| int nCursor; /* Number of entries in apCsr */ |
| int pc; /* Program Counter in parent (calling) frame */ |
| int nOp; /* Size of aOp array */ |
| int nMem; /* Number of entries in aMem */ |
| int nChildMem; /* Number of memory cells for child frame */ |
| int nChildCsr; /* Number of cursors for child frame */ |
| int nChange; /* Statement changes (Vdbe.nChange) */ |
| int nDbChange; /* Value of db->nChange */ |
| }; |
| |
| /* Magic number for sanity checking on VdbeFrame objects */ |
| #define SQLITE_FRAME_MAGIC 0x879fb71e |
| |
| /* |
| ** Return a pointer to the array of registers allocated for use |
| ** by a VdbeFrame. |
| */ |
| #define VdbeFrameMem(p) ((Mem *)&((u8 *)p)[ROUND8(sizeof(VdbeFrame))]) |
| |
| /* |
| ** Internally, the vdbe manipulates nearly all SQL values as Mem |
| ** structures. Each Mem struct may cache multiple representations (string, |
| ** integer etc.) of the same value. |
| */ |
| struct sqlite3_value { |
| union MemValue { |
| double r; /* Real value used when MEM_Real is set in flags */ |
| i64 i; /* Integer value used when MEM_Int is set in flags */ |
| int nZero; /* Extra zero bytes when MEM_Zero and MEM_Blob set */ |
| const char *zPType; /* Pointer type when MEM_Term|MEM_Subtype|MEM_Null */ |
| FuncDef *pDef; /* Used only when flags==MEM_Agg */ |
| } u; |
| u16 flags; /* Some combination of MEM_Null, MEM_Str, MEM_Dyn, etc. */ |
| u8 enc; /* SQLITE_UTF8, SQLITE_UTF16BE, SQLITE_UTF16LE */ |
| u8 eSubtype; /* Subtype for this value */ |
| int n; /* Number of characters in string value, excluding '\0' */ |
| char *z; /* String or BLOB value */ |
| /* ShallowCopy only needs to copy the information above */ |
| char *zMalloc; /* Space to hold MEM_Str or MEM_Blob if szMalloc>0 */ |
| int szMalloc; /* Size of the zMalloc allocation */ |
| u32 uTemp; /* Transient storage for serial_type in OP_MakeRecord */ |
| sqlite3 *db; /* The associated database connection */ |
| void (*xDel)(void*);/* Destructor for Mem.z - only valid if MEM_Dyn */ |
| #ifdef SQLITE_DEBUG |
| Mem *pScopyFrom; /* This Mem is a shallow copy of pScopyFrom */ |
| u16 mScopyFlags; /* flags value immediately after the shallow copy */ |
| #endif |
| }; |
| |
| /* |
| ** Size of struct Mem not including the Mem.zMalloc member or anything that |
| ** follows. |
| */ |
| #define MEMCELLSIZE offsetof(Mem,zMalloc) |
| |
| /* One or more of the following flags are set to indicate the validOK |
| ** representations of the value stored in the Mem struct. |
| ** |
| ** If the MEM_Null flag is set, then the value is an SQL NULL value. |
| ** For a pointer type created using sqlite3_bind_pointer() or |
| ** sqlite3_result_pointer() the MEM_Term and MEM_Subtype flags are also set. |
| ** |
| ** If the MEM_Str flag is set then Mem.z points at a string representation. |
| ** Usually this is encoded in the same unicode encoding as the main |
| ** database (see below for exceptions). If the MEM_Term flag is also |
| ** set, then the string is nul terminated. The MEM_Int and MEM_Real |
| ** flags may coexist with the MEM_Str flag. |
| */ |
| #define MEM_Null 0x0001 /* Value is NULL (or a pointer) */ |
| #define MEM_Str 0x0002 /* Value is a string */ |
| #define MEM_Int 0x0004 /* Value is an integer */ |
| #define MEM_Real 0x0008 /* Value is a real number */ |
| #define MEM_Blob 0x0010 /* Value is a BLOB */ |
| #define MEM_AffMask 0x001f /* Mask of affinity bits */ |
| /* Available 0x0020 */ |
| /* Available 0x0040 */ |
| #define MEM_Undefined 0x0080 /* Value is undefined */ |
| #define MEM_Cleared 0x0100 /* NULL set by OP_Null, not from data */ |
| #define MEM_TypeMask 0xc1ff /* Mask of type bits */ |
| |
| |
| /* Whenever Mem contains a valid string or blob representation, one of |
| ** the following flags must be set to determine the memory management |
| ** policy for Mem.z. The MEM_Term flag tells us whether or not the |
| ** string is \000 or \u0000 terminated |
| */ |
| #define MEM_Term 0x0200 /* String in Mem.z is zero terminated */ |
| #define MEM_Dyn 0x0400 /* Need to call Mem.xDel() on Mem.z */ |
| #define MEM_Static 0x0800 /* Mem.z points to a static string */ |
| #define MEM_Ephem 0x1000 /* Mem.z points to an ephemeral string */ |
| #define MEM_Agg 0x2000 /* Mem.z points to an agg function context */ |
| #define MEM_Zero 0x4000 /* Mem.i contains count of 0s appended to blob */ |
| #define MEM_Subtype 0x8000 /* Mem.eSubtype is valid */ |
| #ifdef SQLITE_OMIT_INCRBLOB |
| #undef MEM_Zero |
| #define MEM_Zero 0x0000 |
| #endif |
| |
| /* Return TRUE if Mem X contains dynamically allocated content - anything |
| ** that needs to be deallocated to avoid a leak. |
| */ |
| #define VdbeMemDynamic(X) \ |
| (((X)->flags&(MEM_Agg|MEM_Dyn))!=0) |
| |
| /* |
| ** Clear any existing type flags from a Mem and replace them with f |
| */ |
| #define MemSetTypeFlag(p, f) \ |
| ((p)->flags = ((p)->flags&~(MEM_TypeMask|MEM_Zero))|f) |
| |
| /* |
| ** Return true if a memory cell is not marked as invalid. This macro |
| ** is for use inside assert() statements only. |
| */ |
| #ifdef SQLITE_DEBUG |
| #define memIsValid(M) ((M)->flags & MEM_Undefined)==0 |
| #endif |
| |
| /* |
| ** Each auxiliary data pointer stored by a user defined function |
| ** implementation calling sqlite3_set_auxdata() is stored in an instance |
| ** of this structure. All such structures associated with a single VM |
| ** are stored in a linked list headed at Vdbe.pAuxData. All are destroyed |
| ** when the VM is halted (if not before). |
| */ |
| struct AuxData { |
| int iAuxOp; /* Instruction number of OP_Function opcode */ |
| int iAuxArg; /* Index of function argument. */ |
| void *pAux; /* Aux data pointer */ |
| void (*xDeleteAux)(void*); /* Destructor for the aux data */ |
| AuxData *pNextAux; /* Next element in list */ |
| }; |
| |
| /* |
| ** The "context" argument for an installable function. A pointer to an |
| ** instance of this structure is the first argument to the routines used |
| ** implement the SQL functions. |
| ** |
| ** There is a typedef for this structure in sqlite.h. So all routines, |
| ** even the public interface to SQLite, can use a pointer to this structure. |
| ** But this file is the only place where the internal details of this |
| ** structure are known. |
| ** |
| ** This structure is defined inside of vdbeInt.h because it uses substructures |
| ** (Mem) which are only defined there. |
| */ |
| struct sqlite3_context { |
| Mem *pOut; /* The return value is stored here */ |
| FuncDef *pFunc; /* Pointer to function information */ |
| Mem *pMem; /* Memory cell used to store aggregate context */ |
| Vdbe *pVdbe; /* The VM that owns this context */ |
| int iOp; /* Instruction number of OP_Function */ |
| int isError; /* Error code returned by the function. */ |
| u8 skipFlag; /* Skip accumulator loading if true */ |
| u8 argc; /* Number of arguments */ |
| sqlite3_value *argv[1]; /* Argument set */ |
| }; |
| |
| /* A bitfield type for use inside of structures. Always follow with :N where |
| ** N is the number of bits. |
| */ |
| typedef unsigned bft; /* Bit Field Type */ |
| |
| typedef struct ScanStatus ScanStatus; |
| struct ScanStatus { |
| int addrExplain; /* OP_Explain for loop */ |
| int addrLoop; /* Address of "loops" counter */ |
| int addrVisit; /* Address of "rows visited" counter */ |
| int iSelectID; /* The "Select-ID" for this loop */ |
| LogEst nEst; /* Estimated output rows per loop */ |
| char *zName; /* Name of table or index */ |
| }; |
| |
| /* |
| ** An instance of the virtual machine. This structure contains the complete |
| ** state of the virtual machine. |
| ** |
| ** The "sqlite3_stmt" structure pointer that is returned by sqlite3_prepare() |
| ** is really a pointer to an instance of this structure. |
| */ |
| struct Vdbe { |
| sqlite3 *db; /* The database connection that owns this statement */ |
| Vdbe *pPrev,*pNext; /* Linked list of VDBEs with the same Vdbe.db */ |
| Parse *pParse; /* Parsing context used to create this Vdbe */ |
| ynVar nVar; /* Number of entries in aVar[] */ |
| u32 magic; /* Magic number for sanity checking */ |
| int nMem; /* Number of memory locations currently allocated */ |
| int nCursor; /* Number of slots in apCsr[] */ |
| u32 cacheCtr; /* VdbeCursor row cache generation counter */ |
| int pc; /* The program counter */ |
| int rc; /* Value to return */ |
| int nChange; /* Number of db changes made since last reset */ |
| int iStatement; /* Statement number (or 0 if has not opened stmt) */ |
| i64 iCurrentTime; /* Value of julianday('now') for this statement */ |
| i64 nFkConstraint; /* Number of imm. FK constraints this VM */ |
| i64 nStmtDefCons; /* Number of def. constraints when stmt started */ |
| i64 nStmtDefImmCons; /* Number of def. imm constraints when stmt started */ |
| |
| /* When allocating a new Vdbe object, all of the fields below should be |
| ** initialized to zero or NULL */ |
| |
| Op *aOp; /* Space to hold the virtual machine's program */ |
| Mem *aMem; /* The memory locations */ |
| Mem **apArg; /* Arguments to currently executing user function */ |
| Mem *aColName; /* Column names to return */ |
| Mem *pResultSet; /* Pointer to an array of results */ |
| char *zErrMsg; /* Error message written here */ |
| VdbeCursor **apCsr; /* One element of this array for each open cursor */ |
| Mem *aVar; /* Values for the OP_Variable opcode. */ |
| VList *pVList; /* Name of variables */ |
| #ifndef SQLITE_OMIT_TRACE |
| i64 startTime; /* Time when query started - used for profiling */ |
| #endif |
| int nOp; /* Number of instructions in the program */ |
| #ifdef SQLITE_DEBUG |
| int rcApp; /* errcode set by sqlite3_result_error_code() */ |
| u32 nWrite; /* Number of write operations that have occurred */ |
| #endif |
| u16 nResColumn; /* Number of columns in one row of the result set */ |
| 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 */ |
| bft expired:2; /* 1: recompile VM immediately 2: when convenient */ |
| bft explain:2; /* True if EXPLAIN present on SQL command */ |
| bft doingRerun:1; /* True if rerunning after an auto-reprepare */ |
| bft changeCntOn:1; /* True to update the change-counter */ |
| bft runOnlyOnce:1; /* Automatically expire on reset */ |
| 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 */ |
| yDbMask btreeMask; /* Bitmask of db->aDb[] entries referenced */ |
| yDbMask lockMask; /* Subset of btreeMask that requires a lock */ |
| u32 aCounter[7]; /* Counters used by sqlite3_stmt_status() */ |
| char *zSql; /* Text of the SQL statement that generated this */ |
| void *pFree; /* Free this when deleting the vdbe */ |
| VdbeFrame *pFrame; /* Parent frame */ |
| VdbeFrame *pDelFrame; /* List of frame objects to free on VM reset */ |
| int nFrame; /* Number of frames in pFrame list */ |
| u32 expmask; /* Binding to these vars invalidates VM */ |
| SubProgram *pProgram; /* Linked list of all sub-programs used by VM */ |
| AuxData *pAuxData; /* Linked list of auxdata allocations */ |
| #ifdef SQLITE_ENABLE_STMT_SCANSTATUS |
| i64 *anExec; /* Number of times each op has been executed */ |
| int nScan; /* Entries in aScan[] */ |
| ScanStatus *aScan; /* Scan definitions for sqlite3_stmt_scanstatus() */ |
| #endif |
| }; |
| |
| /* |
| ** The following are allowed values for Vdbe.magic |
| */ |
| #define VDBE_MAGIC_INIT 0x16bceaa5 /* Building a VDBE program */ |
| #define VDBE_MAGIC_RUN 0x2df20da3 /* VDBE is ready to execute */ |
| #define VDBE_MAGIC_HALT 0x319c2973 /* VDBE has completed execution */ |
| #define VDBE_MAGIC_RESET 0x48fa9f76 /* Reset and ready to run again */ |
| #define VDBE_MAGIC_DEAD 0x5606c3c8 /* The VDBE has been deallocated */ |
| |
| /* |
| ** Structure used to store the context required by the |
| ** sqlite3_preupdate_*() API functions. |
| */ |
| struct PreUpdate { |
| Vdbe *v; |
| VdbeCursor *pCsr; /* Cursor to read old values from */ |
| int op; /* One of SQLITE_INSERT, UPDATE, DELETE */ |
| u8 *aRecord; /* old.* database record */ |
| KeyInfo keyinfo; |
| UnpackedRecord *pUnpacked; /* Unpacked version of aRecord[] */ |
| UnpackedRecord *pNewUnpacked; /* Unpacked version of new.* record */ |
| int iNewReg; /* Register for new.* values */ |
| 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 */ |
| Index *pPk; /* PK index if pTab is WITHOUT ROWID */ |
| }; |
| |
| /* |
| ** Function prototypes |
| */ |
| void sqlite3VdbeError(Vdbe*, const char *, ...); |
| void sqlite3VdbeFreeCursor(Vdbe *, VdbeCursor*); |
| void sqliteVdbePopStack(Vdbe*,int); |
| int sqlite3VdbeCursorMoveto(VdbeCursor**, int*); |
| int sqlite3VdbeCursorRestore(VdbeCursor*); |
| u32 sqlite3VdbeSerialTypeLen(u32); |
| u8 sqlite3VdbeOneByteSerialTypeLen(u8); |
| u32 sqlite3VdbeSerialType(Mem*, int, u32*); |
| u32 sqlite3VdbeSerialPut(unsigned char*, Mem*, u32); |
| u32 sqlite3VdbeSerialGet(const unsigned char*, u32, Mem*); |
| void sqlite3VdbeDeleteAuxData(sqlite3*, AuxData**, int, int); |
| |
| int sqlite2BtreeKeyCompare(BtCursor *, const void *, int, int, int *); |
| int sqlite3VdbeIdxKeyCompare(sqlite3*,VdbeCursor*,UnpackedRecord*,int*); |
| int sqlite3VdbeIdxRowid(sqlite3*, BtCursor*, i64*); |
| int sqlite3VdbeExec(Vdbe*); |
| int sqlite3VdbeList(Vdbe*); |
| int sqlite3VdbeHalt(Vdbe*); |
| int sqlite3VdbeChangeEncoding(Mem *, int); |
| int sqlite3VdbeMemTooBig(Mem*); |
| int sqlite3VdbeMemCopy(Mem*, const Mem*); |
| void sqlite3VdbeMemShallowCopy(Mem*, const Mem*, int); |
| void sqlite3VdbeMemMove(Mem*, Mem*); |
| int sqlite3VdbeMemNulTerminate(Mem*); |
| int sqlite3VdbeMemSetStr(Mem*, const char*, int, u8, void(*)(void*)); |
| void sqlite3VdbeMemSetInt64(Mem*, i64); |
| #ifdef SQLITE_OMIT_FLOATING_POINT |
| # define sqlite3VdbeMemSetDouble sqlite3VdbeMemSetInt64 |
| #else |
| void sqlite3VdbeMemSetDouble(Mem*, double); |
| #endif |
| void sqlite3VdbeMemSetPointer(Mem*, void*, const char*, void(*)(void*)); |
| void sqlite3VdbeMemInit(Mem*,sqlite3*,u16); |
| void sqlite3VdbeMemSetNull(Mem*); |
| void sqlite3VdbeMemSetZeroBlob(Mem*,int); |
| #ifdef SQLITE_DEBUG |
| int sqlite3VdbeMemIsRowSet(const Mem*); |
| #endif |
| int sqlite3VdbeMemSetRowSet(Mem*); |
| int sqlite3VdbeMemMakeWriteable(Mem*); |
| int sqlite3VdbeMemStringify(Mem*, u8, u8); |
| i64 sqlite3VdbeIntValue(Mem*); |
| int sqlite3VdbeMemIntegerify(Mem*); |
| double sqlite3VdbeRealValue(Mem*); |
| int sqlite3VdbeBooleanValue(Mem*, int ifNull); |
| void sqlite3VdbeIntegerAffinity(Mem*); |
| int sqlite3VdbeMemRealify(Mem*); |
| int sqlite3VdbeMemNumerify(Mem*); |
| void sqlite3VdbeMemCast(Mem*,u8,u8); |
| int sqlite3VdbeMemFromBtree(BtCursor*,u32,u32,Mem*); |
| void sqlite3VdbeMemRelease(Mem *p); |
| int sqlite3VdbeMemFinalize(Mem*, FuncDef*); |
| #ifndef SQLITE_OMIT_WINDOWFUNC |
| int sqlite3VdbeMemAggValue(Mem*, Mem*, FuncDef*); |
| #endif |
| const char *sqlite3OpcodeName(int); |
| int sqlite3VdbeMemGrow(Mem *pMem, int n, int preserve); |
| int sqlite3VdbeMemClearAndResize(Mem *pMem, int n); |
| int sqlite3VdbeCloseStatement(Vdbe *, int); |
| #ifdef SQLITE_DEBUG |
| int sqlite3VdbeFrameIsValid(VdbeFrame*); |
| #endif |
| void sqlite3VdbeFrameMemDel(void*); /* Destructor on Mem */ |
| void sqlite3VdbeFrameDelete(VdbeFrame*); /* Actually deletes the Frame */ |
| int sqlite3VdbeFrameRestore(VdbeFrame *); |
| #ifdef SQLITE_ENABLE_PREUPDATE_HOOK |
| void sqlite3VdbePreUpdateHook(Vdbe*,VdbeCursor*,int,const char*,Table*,i64,int); |
| #endif |
| int sqlite3VdbeTransferError(Vdbe *p); |
| |
| int sqlite3VdbeSorterInit(sqlite3 *, int, VdbeCursor *); |
| void sqlite3VdbeSorterReset(sqlite3 *, VdbeSorter *); |
| void sqlite3VdbeSorterClose(sqlite3 *, VdbeCursor *); |
| int sqlite3VdbeSorterRowkey(const VdbeCursor *, Mem *); |
| int sqlite3VdbeSorterNext(sqlite3 *, const VdbeCursor *); |
| int sqlite3VdbeSorterRewind(const VdbeCursor *, int *); |
| int sqlite3VdbeSorterWrite(const VdbeCursor *, Mem *); |
| int sqlite3VdbeSorterCompare(const VdbeCursor *, Mem *, int, int *); |
| |
| #ifdef SQLITE_DEBUG |
| void sqlite3VdbeIncrWriteCounter(Vdbe*, VdbeCursor*); |
| void sqlite3VdbeAssertAbortable(Vdbe*); |
| #else |
| # define sqlite3VdbeIncrWriteCounter(V,C) |
| # define sqlite3VdbeAssertAbortable(V) |
| #endif |
| |
| #if !defined(SQLITE_OMIT_SHARED_CACHE) |
| void sqlite3VdbeEnter(Vdbe*); |
| #else |
| # define sqlite3VdbeEnter(X) |
| #endif |
| |
| #if !defined(SQLITE_OMIT_SHARED_CACHE) && SQLITE_THREADSAFE>0 |
| void sqlite3VdbeLeave(Vdbe*); |
| #else |
| # define sqlite3VdbeLeave(X) |
| #endif |
| |
| #ifdef SQLITE_DEBUG |
| void sqlite3VdbeMemAboutToChange(Vdbe*,Mem*); |
| int sqlite3VdbeCheckMemInvariants(Mem*); |
| #endif |
| |
| #ifndef SQLITE_OMIT_FOREIGN_KEY |
| int sqlite3VdbeCheckFk(Vdbe *, int); |
| #else |
| # define sqlite3VdbeCheckFk(p,i) 0 |
| #endif |
| |
| #ifdef SQLITE_DEBUG |
| void sqlite3VdbePrintSql(Vdbe*); |
| void sqlite3VdbeMemPrettyPrint(Mem *pMem, char *zBuf); |
| #endif |
| #ifndef SQLITE_OMIT_UTF16 |
| int sqlite3VdbeMemTranslate(Mem*, u8); |
| int sqlite3VdbeMemHandleBom(Mem *pMem); |
| #endif |
| |
| #ifndef SQLITE_OMIT_INCRBLOB |
| int sqlite3VdbeMemExpandBlob(Mem *); |
| #define ExpandBlob(P) (((P)->flags&MEM_Zero)?sqlite3VdbeMemExpandBlob(P):0) |
| #else |
| #define sqlite3VdbeMemExpandBlob(x) SQLITE_OK |
| #define ExpandBlob(P) SQLITE_OK |
| #endif |
| |
| #endif /* !defined(SQLITE_VDBEINT_H) */ |
