using System; using System.Diagnostics; using System.Runtime.InteropServices; using FILE = System.IO.TextWriter; using i64 = System.Int64; using u8 = System.Byte; using u16 = System.UInt16; using u32 = System.UInt32; using u64 = System.UInt64; using unsigned = System.UIntPtr; using Pgno = System.UInt32; #if !SQLITE_MAX_VARIABLE_NUMBER using ynVar = System.Int16; #else using ynVar = System.Int32; #endif namespace Community.CsharpSqlite { using Op = Sqlite3.VdbeOp; public partial class Sqlite3 { /* ** 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. ************************************************************************* ** Included in SQLite3 port to C#-SQLite; 2008 Noah B Hart ** C#-SQLite is an independent reimplementation of the SQLite software library ** ** SQLITE_SOURCE_ID: 2009-12-07 16:39:13 1ed88e9d01e9eda5cbc622e7614277f29bcc551c ** ** $Header$ ************************************************************************* */ //#if !_VDBEINT_H_ //#define _VDBEINT_H_ /* ** 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 char Bool; /* ** A cursor is a pointer into a single BTree within a database file. ** The cursor can seek to a BTree entry with a particular key, or ** loop over all entries of the Btree. You can also insert new BTree ** entries or retrieve the key or data from the entry that the cursor ** is currently pointing to. ** ** Every cursor that the virtual machine has open is represented by an ** instance of the following structure. ** ** If the VdbeCursor.isTriggerRow flag is set it means that this cursor is ** really a single row that represents the NEW or OLD pseudo-table of ** a row trigger. The data for the row is stored in VdbeCursor.pData and ** the rowid is in VdbeCursor.iKey. */ public class VdbeCursor { public BtCursor pCursor; /* The cursor structure of the backend */ public int iDb; /* Index of cursor database in db.aDb[] (or -1) */ public i64 lastRowid; /* Last rowid from a Next or NextIdx operation */ public bool zeroed; /* True if zeroed out and ready for reuse */ public bool rowidIsValid; /* True if lastRowid is valid */ public bool atFirst; /* True if pointing to first entry */ public bool useRandomRowid; /* Generate new record numbers semi-randomly */ public bool nullRow; /* True if pointing to a row with no data */ public bool deferredMoveto; /* A call to sqlite3BtreeMoveto() is needed */ public bool isTable; /* True if a table requiring integer keys */ public bool isIndex; /* True if an index containing keys only - no data */ public i64 movetoTarget; /* Argument to the deferred sqlite3BtreeMoveto() */ public Btree pBt; /* Separate file holding temporary table */ public int pseudoTableReg; /* Register holding pseudotable content. */ public KeyInfo pKeyInfo; /* Info about index keys needed by index cursors */ public int nField; /* Number of fields in the header */ public int seqCount; /* Sequence counter */ #if !SQLITE_OMIT_VIRTUALTABLE public sqlite3_vtab_cursor pVtabCursor; /* The cursor for a virtual table */ public readonly sqlite3_module pModule; /* Module for cursor pVtabCursor */ #endif /* Result of last sqlite3BtreeMoveto() done by an OP_NotExists or ** OP_IsUnique opcode on this cursor. */ public int seekResult; /* Cached information about the header for the data record that the ** cursor is currently pointing to. Only valid if cacheStatus matches ** Vdbe.cacheCtr. Vdbe.cacheCtr will never take on the value of ** CACHE_STALE and so setting cacheStatus=CACHE_STALE guarantees that ** the cache is out of date. ** ** aRow might point to (ephemeral) data for the current row, or it might ** be NULL. */ public u32 cacheStatus; /* Cache is valid if this matches Vdbe.cacheCtr */ public Pgno payloadSize; /* Total number of bytes in the record */ public u32[] aType; /* Type values for all entries in the record */ public u32[] aOffset; /* Cached offsets to the start of each columns data */ public int aRow; /* Pointer to Data for the current row, if all on one page */ public VdbeCursor Copy() { return (VdbeCursor)MemberwiseClone(); } }; //typedef struct VdbeCursor VdbeCursor; /* ** 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. ** ** Frames are stored in a linked list headed at Vdbe.pParent. Vdbe.pParent ** is the parent of the current frame, or zero if the current frame ** is the main Vdbe program. */ //typedef struct VdbeFrame VdbeFrame; public class VdbeFrame { public Vdbe v; /* VM this frame belongs to */ public int pc; /* Program Counter */ public Op[] aOp; /* Program instructions */ public int nOp; /* Size of aOp array */ public Mem[] aMem; /* Array of memory cells */ public int nMem; /* Number of entries in aMem */ public VdbeCursor[] apCsr; /* Element of Vdbe cursors */ public u16 nCursor; /* Number of entries in apCsr */ public int token; /* Copy of SubProgram.token */ public int nChildMem; /* Number of memory cells for child frame */ public int nChildCsr; /* Number of cursors for child frame */ public i64 lastRowid; /* Last insert rowid (sqlite3.lastRowid) */ public int nChange; /* Statement changes (Vdbe.nChanges) */ public VdbeFrame pParent; /* Parent of this frame */ // // Needed for C# Implementation // public Mem[] aChildMem; /* Array of memory cells for child frame */ public VdbeCursor[] aChildCsr; /* Array of cursors for child frame */ }; //#define VdbeFrameMem(p) ((Mem *)&((u8 *)p)[ROUND8(sizeof(VdbeFrame))]) /* ** A value for VdbeCursor.cacheValid that means the cache is always invalid. */ const int CACHE_STALE = 0; /* ** 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. A value (and therefore Mem structure) ** has the following properties: ** ** Each value has a manifest type. The manifest type of the value stored ** in a Mem struct is returned by the MemType(Mem*) macro. The type is ** one of SQLITE_NULL, SQLITE_INTEGER, SQLITE_REAL, SQLITE_TEXT or ** SQLITE_BLOB. */ public class Mem { public struct union_ip { #if DEBUG_CLASS_MEM || DEBUG_CLASS_ALL public i64 _i; /* First operand */ public i64 i { get { return _i; } set { _i = value; } } #else public i64 i; /* Integer value. */ #endif public int nZero; /* Used when bit MEM_Zero is set in flags */ public FuncDef pDef; /* Used only when flags==MEM_Agg */ public RowSet pRowSet; /* Used only when flags==MEM_RowSet */ public VdbeFrame pFrame; /* Used when flags==MEM_Frame */ }; public union_ip u; public double r; /* Real value */ public sqlite3 db; /* The associated database connection */ public string z; /* String value */ public byte[] zBLOB; /* BLOB value */ public int n; /* Number of characters in string value, excluding '\0' */ #if DEBUG_CLASS_MEM || DEBUG_CLASS_ALL public u16 _flags; /* First operand */ public u16 flags { get { return _flags; } set { _flags = value; } } #else public u16 flags = MEM_Null; /* Some combination of MEM_Null, MEM_Str, MEM_Dyn, etc. */ #endif public u8 type = SQLITE_NULL; /* One of SQLITE_NULL, SQLITE_TEXT, SQLITE_INTEGER, etc */ public u8 enc; /* SQLITE_UTF8, SQLITE_UTF16BE, SQLITE_UTF16LE */ public dxDel xDel; /* If not null, call this function to delete Mem.z */ // Not used under c# //public string zMalloc; /* Dynamic buffer allocated by sqlite3Malloc() */ public Mem _Mem; /* Used when C# overload Z as MEM space */ public SumCtx _SumCtx; /* Used when C# overload Z as Sum context */ public SubProgram[] _SubProgram;/* Used when C# overload Z as SubProgram*/ public StrAccum _StrAccum; /* Used when C# overload Z as STR context */ public object _MD5Context; /* Used when C# overload Z as MD5 context */ public void CopyTo( Mem ct ) { ct.u = u; ct.r = r; ct.db = db; ct.z = z; if ( zBLOB == null ) ct.zBLOB = null; else { ct.zBLOB = sqlite3Malloc( zBLOB.Length ); Buffer.BlockCopy( zBLOB, 0, ct.zBLOB, 0, zBLOB.Length ); } ct.n = n; ct.flags = flags; ct.type = type; ct.enc = enc; ct.xDel = xDel; } }; /* 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. ** No other flags may be set in this case. ** ** 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. ** ** Multiple of these values can appear in Mem.flags. But only one ** at a time can appear in Mem.type. */ //#define MEM_Null 0x0001 /* Value is NULL */ //#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_RowSet 0x0020 /* Value is a RowSet object */ //#define MEM_Frame 0x0040 /* Value is a VdbeFrame object */ //#define MEM_TypeMask 0x00ff /* Mask of type bits */ const int MEM_Null = 0x0001; const int MEM_Str = 0x0002; const int MEM_Int = 0x0004; const int MEM_Real = 0x0008; const int MEM_Blob = 0x0010; const int MEM_RowSet = 0x0020; const int MEM_Frame = 0x0040; const int MEM_TypeMask = 0x00ff; /* 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 rep is nul terminated */ //#define MEM_Dyn 0x0400 /* Need to call sqliteFree() 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 */ //#ifdef SQLITE_OMIT_INCRBLOB // #undef MEM_Zero // #define MEM_Zero 0x0000 //#endif const int MEM_Term = 0x0200; const int MEM_Dyn = 0x0400; const int MEM_Static = 0x0800; const int MEM_Ephem = 0x1000; const int MEM_Agg = 0x2000; #if !SQLITE_OMIT_INCRBLOB const int MEM_Zero = 0x4000; #else const int MEM_Zero = 0x0000; #endif /* ** 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) static void MemSetTypeFlag( Mem p, int f ) { p.flags = (u16)( p.flags & ~( MEM_TypeMask | MEM_Zero ) | f ); }// TODO -- Convert back to inline for speed #if SQLITE_OMIT_INCRBLOB //#undef MEM_Zero #endif /* A VdbeFunc is just a FuncDef (defined in sqliteInt.h) that contains ** additional information about auxiliary information bound to arguments ** of the function. This is used to implement the sqlite3_get_auxdata() ** and sqlite3_set_auxdata() APIs. The "auxdata" is some auxiliary data ** that can be associated with a constant argument to a function. This ** allows functions such as "regexp" to compile their constant regular ** expression argument once and reused the compiled code for multiple ** invocations. */ public class AuxData { public string pAux; /* Aux data for the i-th argument */ public dxDel xDelete; //(void *); /* Destructor for the aux data */ }; public class VdbeFunc : FuncDef { public FuncDef pFunc; /* The definition of the function */ public int nAux; /* Number of entries allocated for apAux[] */ public AuxData[] apAux = new AuxData[2]; /* One slot for each function argument */ }; /* ** The "context" argument for a 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. */ public class sqlite3_context { public FuncDef pFunc; /* Pointer to function information. MUST BE FIRST */ public VdbeFunc pVdbeFunc; /* Auxilary data, if created. */ public Mem s = new Mem(); /* The return value is stored here */ public Mem pMem; /* Memory cell used to store aggregate context */ public int isError; /* Error code returned by the function. */ public CollSeq pColl; /* Collating sequence */ }; /* ** A Set structure is used for quick testing to see if a value ** is part of a small set. Sets are used to implement code like ** this: ** x.y IN ('hi','hoo','hum') */ //typedef struct Set Set; public class Set { Hash hash; /* A set is just a hash table */ HashElem prev; /* Previously accessed hash elemen */ }; /* ** 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_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. */ public class Vdbe { public sqlite3 db; /* The database connection that owns this statement */ public Vdbe pPrev; /* Linked list of VDBEs with the same Vdbe.db */ public Vdbe pNext; /* Linked list of VDBEs with the same Vdbe.db */ public int nOp; /* Number of instructions in the program */ public int nOpAlloc; /* Number of slots allocated for aOp[] */ public Op[] aOp; /* Space to hold the virtual machine's program */ public int nLabel; /* Number of labels used */ public int nLabelAlloc; /* Number of slots allocated in aLabel[] */ public int[] aLabel; /* Space to hold the labels */ public Mem[] apArg; /* Arguments to currently executing user function */ public Mem[] aColName; /* Column names to return */ public Mem[] pResultSet; /* Pointer to an array of results */ public u16 nResColumn; /* Number of columns in one row of the result set */ public u16 nCursor; /* Number of slots in apCsr[] */ public VdbeCursor[] apCsr; /* One element of this array for each open cursor */ public u8 errorAction; /* Recovery action to do in case of an error */ public u8 okVar; /* True if azVar[] has been initialized */ public ynVar nVar; /* Number of entries in aVar[] */ public Mem[] aVar; /* Values for the OP_Variable opcode. */ public string[] azVar; /* Name of variables */ public u32 magic; /* Magic number for sanity checking */ public int nMem; /* Number of memory locations currently allocated */ public Mem[] aMem; /* The memory locations */ public u32 cacheCtr; /* VdbeCursor row cache generation counter */ public int pc; /* The program counter */ public int rc; /* Value to return */ public string zErrMsg; /* Error message written here */ public int explain; /* True if EXPLAIN present on SQL command */ public bool changeCntOn; /* True to update the change-counter */ public bool expired; /* True if the VM needs to be recompiled */ public u8 runOnlyOnce; /* Automatically expire on reset */ public int minWriteFileFormat; /* Minimum file format for writable database files */ public int inVtabMethod; /* See comments above */ public bool usesStmtJournal; /* True if uses a statement journal */ public bool readOnly; /* True for read-only statements */ public int nChange; /* Number of db changes made since last reset */ public bool isPrepareV2; /* True if prepared with prepare_v2() */ public int btreeMask; /* Bitmask of db.aDb[] entries referenced */ public u64 startTime; /* Time when query started - used for profiling */ public BtreeMutexArray aMutex; /* An array of Btree used here and needing locks */ public int[] aCounter = new int[2]; /* Counters used by sqlite3_stmt_status() */ public string zSql = ""; /* Text of the SQL statement that generated this */ public object pFree; /* Free this when deleting the vdbe */ public i64 nFkConstraint; /* Number of imm. FK constraints this VM */ public i64 nStmtDefCons; /* Number of def. constraints when stmt started */ public int iStatement; /* Statement number (or 0 if has not opened stmt) */ #if SQLITE_DEBUG public FILE trace; /* Write an execution trace here, if not NULL */ #endif public VdbeFrame pFrame; /* Parent frame */ public int nFrame; /* Number of frames in pFrame list */ public u32 expmask; /* Binding to these vars invalidates VM */ public Vdbe Copy() { Vdbe cp = (Vdbe)MemberwiseClone(); return cp; } public void CopyTo( Vdbe ct ) { ct.db = db; ct.pPrev = pPrev; ct.pNext = pNext; ct.nOp = nOp; ct.nOpAlloc = nOpAlloc; ct.aOp = aOp; ct.nLabel = nLabel; ct.nLabelAlloc = nLabelAlloc; ct.aLabel = aLabel; ct.apArg = apArg; ct.aColName = aColName; ct.nCursor = nCursor; ct.apCsr = apCsr; ct.nVar = nVar; ct.aVar = aVar; ct.azVar = azVar; ct.okVar = okVar; ct.magic = magic; ct.nMem = nMem; ct.aMem = aMem; ct.cacheCtr = cacheCtr; ct.pc = pc; ct.rc = rc; ct.errorAction = errorAction; ct.nResColumn = nResColumn; ct.zErrMsg = zErrMsg; ct.pResultSet = pResultSet; ct.explain = explain; ct.changeCntOn = changeCntOn; ct.expired = expired; ct.minWriteFileFormat = minWriteFileFormat; ct.inVtabMethod = inVtabMethod; ct.usesStmtJournal = usesStmtJournal; ct.readOnly = readOnly; ct.nChange = nChange; ct.isPrepareV2 = isPrepareV2; ct.startTime = startTime; ct.btreeMask = btreeMask; ct.aMutex = aMutex; aCounter.CopyTo( ct.aCounter, 0 ); ct.zSql = zSql; ct.pFree = pFree; #if SQLITE_DEBUG ct.trace = trace; #endif ct.nFkConstraint = nFkConstraint; ct.nStmtDefCons = nStmtDefCons; ct.iStatement = iStatement; ct.pFrame = pFrame; ct.nFrame = nFrame; ct.expmask = expmask; #if SQLITE_SSE ct.fetchId=fetchId; ct.lru=lru; #endif #if SQLITE_ENABLE_MEMORY_MANAGEMENT ct.pLruPrev=pLruPrev; ct.pLruNext=pLruNext; #endif } }; /* ** The following are allowed values for Vdbe.magic */ //#define VDBE_MAGIC_INIT 0x26bceaa5 /* Building a VDBE program */ //#define VDBE_MAGIC_RUN 0xbdf20da3 /* VDBE is ready to execute */ //#define VDBE_MAGIC_HALT 0x519c2973 /* VDBE has completed execution */ //#define VDBE_MAGIC_DEAD 0xb606c3c8 /* The VDBE has been deallocated */ const u32 VDBE_MAGIC_INIT = 0x26bceaa5; /* Building a VDBE program */ const u32 VDBE_MAGIC_RUN = 0xbdf20da3; /* VDBE is ready to execute */ const u32 VDBE_MAGIC_HALT = 0x519c2973; /* VDBE has completed execution */ const u32 VDBE_MAGIC_DEAD = 0xb606c3c8; /* The VDBE has been deallocated */ /* ** Function prototypes */ //void sqlite3VdbeFreeCursor(Vdbe *, VdbeCursor*); //void sqliteVdbePopStack(Vdbe*,int); //int sqlite3VdbeCursorMoveto(VdbeCursor*); //#if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE) //void sqlite3VdbePrintOp(FILE*, int, Op*); //#endif //u32 sqlite3VdbeSerialTypeLen(u32); //u32 sqlite3VdbeSerialType(Mem*, int); //u32sqlite3VdbeSerialPut(unsigned char*, int, Mem*, int); //u32 sqlite3VdbeSerialGet(const unsigned char*, u32, Mem*); //void sqlite3VdbeDeleteAuxData(VdbeFunc*, int); //int sqlite2BtreeKeyCompare(BtCursor *, const void *, int, int, int *); //int sqlite3VdbeIdxKeyCompare(VdbeCursor*,UnpackedRecord*,int*); //int sqlite3VdbeIdxRowid(sqlite3 *, i64 *); //int sqlite3MemCompare(const Mem*, const Mem*, const CollSeq*); //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); #if SQLITE_OMIT_FLOATING_POINT //# define sqlite3VdbeMemSetDouble sqlite3VdbeMemSetInt64 #else //void sqlite3VdbeMemSetDouble(Mem*, double); #endif //void sqlite3VdbeMemSetNull(Mem*); //void sqlite3VdbeMemSetZeroBlob(Mem*,int); //void sqlite3VdbeMemSetRowSet(Mem*); //int sqlite3VdbeMemMakeWriteable(Mem*); //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 sqlite3VdbeMemReleaseExternal(Mem p); //int sqlite3VdbeMemFinalize(Mem*, FuncDef*); //const char *sqlite3OpcodeName(int); //int sqlite3VdbeMemGrow(Mem pMem, int n, int preserve); //int sqlite3VdbeCloseStatement(Vdbe *, int); //void sqlite3VdbeFrameDelete(VdbeFrame*); //int sqlite3VdbeFrameRestore(VdbeFrame *); //void sqlite3VdbeMemStoreType(Mem *pMem); #if !SQLITE_OMIT_FOREIGN_KEY //int sqlite3VdbeCheckFk(Vdbe *, int); #else //# define sqlite3VdbeCheckFk(p,i) 0 static int sqlite3VdbeCheckFk( Vdbe p, int i ) { return 0; } #endif #if !SQLITE_OMIT_SHARED_CACHE //void sqlite3VdbeMutexArrayEnter(Vdbe *p); #else //# define sqlite3VdbeMutexArrayEnter(p) static void sqlite3VdbeMutexArrayEnter( Vdbe p ) { } #endif //int sqlite3VdbeMemTranslate(Mem*, u8); //#if SQLITE_DEBUG // void sqlite3VdbePrintSql(Vdbe*); // void sqlite3VdbeMemPrettyPrint(Mem pMem, char *zBuf); //#endif //int sqlite3VdbeMemHandleBom(Mem pMem); #if !SQLITE_OMIT_INCRBLOB // int sqlite3VdbeMemExpandBlob(Mem *); #else // #define sqlite3VdbeMemExpandBlob(x) SQLITE_OK static int sqlite3VdbeMemExpandBlob( Mem x ) { return SQLITE_OK; } #endif //#endif //* !_VDBEINT_H_) */ } }