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| 1 /* | |
| 2 ** 2003 September 6 | |
| 3 ** | |
| 4 ** The author disclaims copyright to this source code. In place of | |
| 5 ** a legal notice, here is a blessing: | |
| 6 ** | |
| 7 ** May you do good and not evil. | |
| 8 ** May you find forgiveness for yourself and forgive others. | |
| 9 ** May you share freely, never taking more than you give. | |
| 10 ** | |
| 11 ************************************************************************* | |
| 12 ** This is the header file for information that is private to the | |
| 13 ** VDBE. This information used to all be at the top of the single | |
| 14 ** source code file "vdbe.c". When that file became too big (over | |
| 15 ** 6000 lines long) it was split up into several smaller files and | |
| 16 ** this header information was factored out. | |
| 17 ** | |
| 18 ** $Id: vdbeInt.h,v 1.174 2009/06/23 14:15:04 drh Exp $ | |
| 19 */ | |
| 20 #ifndef _VDBEINT_H_ | |
| 21 #define _VDBEINT_H_ | |
| 22 | |
| 23 /* | |
| 24 ** SQL is translated into a sequence of instructions to be | |
| 25 ** executed by a virtual machine. Each instruction is an instance | |
| 26 ** of the following structure. | |
| 27 */ | |
| 28 typedef struct VdbeOp Op; | |
| 29 | |
| 30 /* | |
| 31 ** Boolean values | |
| 32 */ | |
| 33 typedef unsigned char Bool; | |
| 34 | |
| 35 /* | |
| 36 ** A cursor is a pointer into a single BTree within a database file. | |
| 37 ** The cursor can seek to a BTree entry with a particular key, or | |
| 38 ** loop over all entries of the Btree. You can also insert new BTree | |
| 39 ** entries or retrieve the key or data from the entry that the cursor | |
| 40 ** is currently pointing to. | |
| 41 ** | |
| 42 ** Every cursor that the virtual machine has open is represented by an | |
| 43 ** instance of the following structure. | |
| 44 ** | |
| 45 ** If the VdbeCursor.isTriggerRow flag is set it means that this cursor is | |
| 46 ** really a single row that represents the NEW or OLD pseudo-table of | |
| 47 ** a row trigger. The data for the row is stored in VdbeCursor.pData and | |
| 48 ** the rowid is in VdbeCursor.iKey. | |
| 49 */ | |
| 50 struct VdbeCursor { | |
| 51 BtCursor *pCursor; /* The cursor structure of the backend */ | |
| 52 int iDb; /* Index of cursor database in db->aDb[] (or -1) */ | |
| 53 i64 lastRowid; /* Last rowid from a Next or NextIdx operation */ | |
| 54 Bool zeroed; /* True if zeroed out and ready for reuse */ | |
| 55 Bool rowidIsValid; /* True if lastRowid is valid */ | |
| 56 Bool atFirst; /* True if pointing to first entry */ | |
| 57 Bool useRandomRowid; /* Generate new record numbers semi-randomly */ | |
| 58 Bool nullRow; /* True if pointing to a row with no data */ | |
| 59 Bool deferredMoveto; /* A call to sqlite3BtreeMoveto() is needed */ | |
| 60 Bool isTable; /* True if a table requiring integer keys */ | |
| 61 Bool isIndex; /* True if an index containing keys only - no data */ | |
| 62 i64 movetoTarget; /* Argument to the deferred sqlite3BtreeMoveto() */ | |
| 63 Btree *pBt; /* Separate file holding temporary table */ | |
| 64 int pseudoTableReg; /* Register holding pseudotable content. */ | |
| 65 KeyInfo *pKeyInfo; /* Info about index keys needed by index cursors */ | |
| 66 int nField; /* Number of fields in the header */ | |
| 67 i64 seqCount; /* Sequence counter */ | |
| 68 sqlite3_vtab_cursor *pVtabCursor; /* The cursor for a virtual table */ | |
| 69 const sqlite3_module *pModule; /* Module for cursor pVtabCursor */ | |
| 70 | |
| 71 /* Result of last sqlite3BtreeMoveto() done by an OP_NotExists or | |
| 72 ** OP_IsUnique opcode on this cursor. */ | |
| 73 int seekResult; | |
| 74 | |
| 75 /* Cached information about the header for the data record that the | |
| 76 ** cursor is currently pointing to. Only valid if cacheStatus matches | |
| 77 ** Vdbe.cacheCtr. Vdbe.cacheCtr will never take on the value of | |
| 78 ** CACHE_STALE and so setting cacheStatus=CACHE_STALE guarantees that | |
| 79 ** the cache is out of date. | |
| 80 ** | |
| 81 ** aRow might point to (ephemeral) data for the current row, or it might | |
| 82 ** be NULL. | |
| 83 */ | |
| 84 u32 cacheStatus; /* Cache is valid if this matches Vdbe.cacheCtr */ | |
| 85 int payloadSize; /* Total number of bytes in the record */ | |
| 86 u32 *aType; /* Type values for all entries in the record */ | |
| 87 u32 *aOffset; /* Cached offsets to the start of each columns data */ | |
| 88 u8 *aRow; /* Data for the current row, if all on one page */ | |
| 89 }; | |
| 90 typedef struct VdbeCursor VdbeCursor; | |
| 91 | |
| 92 /* | |
| 93 ** When a sub-program is executed (OP_Program), a structure of this type | |
| 94 ** is allocated to store the current value of the program counter, as | |
| 95 ** well as the current memory cell array and various other frame specific | |
| 96 ** values stored in the Vdbe struct. When the sub-program is finished, | |
| 97 ** these values are copied back to the Vdbe from the VdbeFrame structure, | |
| 98 ** restoring the state of the VM to as it was before the sub-program | |
| 99 ** began executing. | |
| 100 ** | |
| 101 ** Frames are stored in a linked list headed at Vdbe.pParent. Vdbe.pParent | |
| 102 ** is the parent of the current frame, or zero if the current frame | |
| 103 ** is the main Vdbe program. | |
| 104 */ | |
| 105 typedef struct VdbeFrame VdbeFrame; | |
| 106 struct VdbeFrame { | |
| 107 Vdbe *v; /* VM this frame belongs to */ | |
| 108 int pc; /* Program Counter */ | |
| 109 Op *aOp; /* Program instructions */ | |
| 110 int nOp; /* Size of aOp array */ | |
| 111 Mem *aMem; /* Array of memory cells */ | |
| 112 int nMem; /* Number of entries in aMem */ | |
| 113 VdbeCursor **apCsr; /* Element of Vdbe cursors */ | |
| 114 u16 nCursor; /* Number of entries in apCsr */ | |
| 115 void *token; /* Copy of SubProgram.token */ | |
| 116 int nChildMem; /* Number of memory cells for child frame */ | |
| 117 int nChildCsr; /* Number of cursors for child frame */ | |
| 118 i64 lastRowid; /* Last insert rowid (sqlite3.lastRowid) */ | |
| 119 int nChange; /* Statement changes (Vdbe.nChanges) */ | |
| 120 VdbeFrame *pParent; /* Parent of this frame */ | |
| 121 }; | |
| 122 | |
| 123 #define VdbeFrameMem(p) ((Mem *)&((u8 *)p)[ROUND8(sizeof(VdbeFrame))]) | |
| 124 | |
| 125 /* | |
| 126 ** A value for VdbeCursor.cacheValid that means the cache is always invalid. | |
| 127 */ | |
| 128 #define CACHE_STALE 0 | |
| 129 | |
| 130 /* | |
| 131 ** Internally, the vdbe manipulates nearly all SQL values as Mem | |
| 132 ** structures. Each Mem struct may cache multiple representations (string, | |
| 133 ** integer etc.) of the same value. A value (and therefore Mem structure) | |
| 134 ** has the following properties: | |
| 135 ** | |
| 136 ** Each value has a manifest type. The manifest type of the value stored | |
| 137 ** in a Mem struct is returned by the MemType(Mem*) macro. The type is | |
| 138 ** one of SQLITE_NULL, SQLITE_INTEGER, SQLITE_REAL, SQLITE_TEXT or | |
| 139 ** SQLITE_BLOB. | |
| 140 */ | |
| 141 struct Mem { | |
| 142 union { | |
| 143 i64 i; /* Integer value. */ | |
| 144 int nZero; /* Used when bit MEM_Zero is set in flags */ | |
| 145 FuncDef *pDef; /* Used only when flags==MEM_Agg */ | |
| 146 RowSet *pRowSet; /* Used only when flags==MEM_RowSet */ | |
| 147 VdbeFrame *pFrame; /* Used when flags==MEM_Frame */ | |
| 148 } u; | |
| 149 double r; /* Real value */ | |
| 150 sqlite3 *db; /* The associated database connection */ | |
| 151 char *z; /* String or BLOB value */ | |
| 152 int n; /* Number of characters in string value, excluding '\0' */ | |
| 153 u16 flags; /* Some combination of MEM_Null, MEM_Str, MEM_Dyn, etc. */ | |
| 154 u8 type; /* One of SQLITE_NULL, SQLITE_TEXT, SQLITE_INTEGER, etc */ | |
| 155 u8 enc; /* SQLITE_UTF8, SQLITE_UTF16BE, SQLITE_UTF16LE */ | |
| 156 void (*xDel)(void *); /* If not null, call this function to delete Mem.z */ | |
| 157 char *zMalloc; /* Dynamic buffer allocated by sqlite3_malloc() */ | |
| 158 }; | |
| 159 | |
| 160 /* One or more of the following flags are set to indicate the validOK | |
| 161 ** representations of the value stored in the Mem struct. | |
| 162 ** | |
| 163 ** If the MEM_Null flag is set, then the value is an SQL NULL value. | |
| 164 ** No other flags may be set in this case. | |
| 165 ** | |
| 166 ** If the MEM_Str flag is set then Mem.z points at a string representation. | |
| 167 ** Usually this is encoded in the same unicode encoding as the main | |
| 168 ** database (see below for exceptions). If the MEM_Term flag is also | |
| 169 ** set, then the string is nul terminated. The MEM_Int and MEM_Real | |
| 170 ** flags may coexist with the MEM_Str flag. | |
| 171 ** | |
| 172 ** Multiple of these values can appear in Mem.flags. But only one | |
| 173 ** at a time can appear in Mem.type. | |
| 174 */ | |
| 175 #define MEM_Null 0x0001 /* Value is NULL */ | |
| 176 #define MEM_Str 0x0002 /* Value is a string */ | |
| 177 #define MEM_Int 0x0004 /* Value is an integer */ | |
| 178 #define MEM_Real 0x0008 /* Value is a real number */ | |
| 179 #define MEM_Blob 0x0010 /* Value is a BLOB */ | |
| 180 #define MEM_RowSet 0x0020 /* Value is a RowSet object */ | |
| 181 #define MEM_Frame 0x0040 /* Value is a VdbeFrame object */ | |
| 182 #define MEM_TypeMask 0x00ff /* Mask of type bits */ | |
| 183 | |
| 184 /* Whenever Mem contains a valid string or blob representation, one of | |
| 185 ** the following flags must be set to determine the memory management | |
| 186 ** policy for Mem.z. The MEM_Term flag tells us whether or not the | |
| 187 ** string is \000 or \u0000 terminated | |
| 188 */ | |
| 189 #define MEM_Term 0x0200 /* String rep is nul terminated */ | |
| 190 #define MEM_Dyn 0x0400 /* Need to call sqliteFree() on Mem.z */ | |
| 191 #define MEM_Static 0x0800 /* Mem.z points to a static string */ | |
| 192 #define MEM_Ephem 0x1000 /* Mem.z points to an ephemeral string */ | |
| 193 #define MEM_Agg 0x2000 /* Mem.z points to an agg function context */ | |
| 194 #define MEM_Zero 0x4000 /* Mem.i contains count of 0s appended to blob */ | |
| 195 | |
| 196 #ifdef SQLITE_OMIT_INCRBLOB | |
| 197 #undef MEM_Zero | |
| 198 #define MEM_Zero 0x0000 | |
| 199 #endif | |
| 200 | |
| 201 | |
| 202 /* | |
| 203 ** Clear any existing type flags from a Mem and replace them with f | |
| 204 */ | |
| 205 #define MemSetTypeFlag(p, f) \ | |
| 206 ((p)->flags = ((p)->flags&~(MEM_TypeMask|MEM_Zero))|f) | |
| 207 | |
| 208 | |
| 209 /* A VdbeFunc is just a FuncDef (defined in sqliteInt.h) that contains | |
| 210 ** additional information about auxiliary information bound to arguments | |
| 211 ** of the function. This is used to implement the sqlite3_get_auxdata() | |
| 212 ** and sqlite3_set_auxdata() APIs. The "auxdata" is some auxiliary data | |
| 213 ** that can be associated with a constant argument to a function. This | |
| 214 ** allows functions such as "regexp" to compile their constant regular | |
| 215 ** expression argument once and reused the compiled code for multiple | |
| 216 ** invocations. | |
| 217 */ | |
| 218 struct VdbeFunc { | |
| 219 FuncDef *pFunc; /* The definition of the function */ | |
| 220 int nAux; /* Number of entries allocated for apAux[] */ | |
| 221 struct AuxData { | |
| 222 void *pAux; /* Aux data for the i-th argument */ | |
| 223 void (*xDelete)(void *); /* Destructor for the aux data */ | |
| 224 } apAux[1]; /* One slot for each function argument */ | |
| 225 }; | |
| 226 | |
| 227 /* | |
| 228 ** The "context" argument for a installable function. A pointer to an | |
| 229 ** instance of this structure is the first argument to the routines used | |
| 230 ** implement the SQL functions. | |
| 231 ** | |
| 232 ** There is a typedef for this structure in sqlite.h. So all routines, | |
| 233 ** even the public interface to SQLite, can use a pointer to this structure. | |
| 234 ** But this file is the only place where the internal details of this | |
| 235 ** structure are known. | |
| 236 ** | |
| 237 ** This structure is defined inside of vdbeInt.h because it uses substructures | |
| 238 ** (Mem) which are only defined there. | |
| 239 */ | |
| 240 struct sqlite3_context { | |
| 241 FuncDef *pFunc; /* Pointer to function information. MUST BE FIRST */ | |
| 242 VdbeFunc *pVdbeFunc; /* Auxilary data, if created. */ | |
| 243 Mem s; /* The return value is stored here */ | |
| 244 Mem *pMem; /* Memory cell used to store aggregate context */ | |
| 245 int isError; /* Error code returned by the function. */ | |
| 246 CollSeq *pColl; /* Collating sequence */ | |
| 247 }; | |
| 248 | |
| 249 /* | |
| 250 ** A Set structure is used for quick testing to see if a value | |
| 251 ** is part of a small set. Sets are used to implement code like | |
| 252 ** this: | |
| 253 ** x.y IN ('hi','hoo','hum') | |
| 254 */ | |
| 255 typedef struct Set Set; | |
| 256 struct Set { | |
| 257 Hash hash; /* A set is just a hash table */ | |
| 258 HashElem *prev; /* Previously accessed hash elemen */ | |
| 259 }; | |
| 260 | |
| 261 /* | |
| 262 ** An instance of the virtual machine. This structure contains the complete | |
| 263 ** state of the virtual machine. | |
| 264 ** | |
| 265 ** The "sqlite3_stmt" structure pointer that is returned by sqlite3_compile() | |
| 266 ** is really a pointer to an instance of this structure. | |
| 267 ** | |
| 268 ** The Vdbe.inVtabMethod variable is set to non-zero for the duration of | |
| 269 ** any virtual table method invocations made by the vdbe program. It is | |
| 270 ** set to 2 for xDestroy method calls and 1 for all other methods. This | |
| 271 ** variable is used for two purposes: to allow xDestroy methods to execute | |
| 272 ** "DROP TABLE" statements and to prevent some nasty side effects of | |
| 273 ** malloc failure when SQLite is invoked recursively by a virtual table | |
| 274 ** method function. | |
| 275 */ | |
| 276 struct Vdbe { | |
| 277 sqlite3 *db; /* The database connection that owns this statement */ | |
| 278 Vdbe *pPrev,*pNext; /* Linked list of VDBEs with the same Vdbe.db */ | |
| 279 int nOp; /* Number of instructions in the program */ | |
| 280 int nOpAlloc; /* Number of slots allocated for aOp[] */ | |
| 281 Op *aOp; /* Space to hold the virtual machine's program */ | |
| 282 int nLabel; /* Number of labels used */ | |
| 283 int nLabelAlloc; /* Number of slots allocated in aLabel[] */ | |
| 284 int *aLabel; /* Space to hold the labels */ | |
| 285 Mem **apArg; /* Arguments to currently executing user function */ | |
| 286 Mem *aColName; /* Column names to return */ | |
| 287 Mem *pResultSet; /* Pointer to an array of results */ | |
| 288 u16 nResColumn; /* Number of columns in one row of the result set */ | |
| 289 u16 nCursor; /* Number of slots in apCsr[] */ | |
| 290 VdbeCursor **apCsr; /* One element of this array for each open cursor */ | |
| 291 u8 errorAction; /* Recovery action to do in case of an error */ | |
| 292 u8 okVar; /* True if azVar[] has been initialized */ | |
| 293 u16 nVar; /* Number of entries in aVar[] */ | |
| 294 Mem *aVar; /* Values for the OP_Variable opcode. */ | |
| 295 char **azVar; /* Name of variables */ | |
| 296 u32 magic; /* Magic number for sanity checking */ | |
| 297 int nMem; /* Number of memory locations currently allocated */ | |
| 298 Mem *aMem; /* The memory locations */ | |
| 299 u32 cacheCtr; /* VdbeCursor row cache generation counter */ | |
| 300 int pc; /* The program counter */ | |
| 301 int rc; /* Value to return */ | |
| 302 char *zErrMsg; /* Error message written here */ | |
| 303 u8 explain; /* True if EXPLAIN present on SQL command */ | |
| 304 u8 changeCntOn; /* True to update the change-counter */ | |
| 305 u8 expired; /* True if the VM needs to be recompiled */ | |
| 306 u8 minWriteFileFormat; /* Minimum file format for writable database files */ | |
| 307 u8 inVtabMethod; /* See comments above */ | |
| 308 u8 usesStmtJournal; /* True if uses a statement journal */ | |
| 309 u8 readOnly; /* True for read-only statements */ | |
| 310 u8 isPrepareV2; /* True if prepared with prepare_v2() */ | |
| 311 int nChange; /* Number of db changes made since last reset */ | |
| 312 int btreeMask; /* Bitmask of db->aDb[] entries referenced */ | |
| 313 i64 startTime; /* Time when query started - used for profiling */ | |
| 314 BtreeMutexArray aMutex; /* An array of Btree used here and needing locks */ | |
| 315 int aCounter[2]; /* Counters used by sqlite3_stmt_status() */ | |
| 316 char *zSql; /* Text of the SQL statement that generated this */ | |
| 317 void *pFree; /* Free this when deleting the vdbe */ | |
| 318 int iStatement; /* Statement number (or 0 if has not opened stmt) */ | |
| 319 #ifdef SQLITE_DEBUG | |
| 320 FILE *trace; /* Write an execution trace here, if not NULL */ | |
| 321 #endif | |
| 322 VdbeFrame *pFrame; /* Parent frame */ | |
| 323 int nFrame; /* Number of frames in pFrame list */ | |
| 324 }; | |
| 325 | |
| 326 /* | |
| 327 ** The following are allowed values for Vdbe.magic | |
| 328 */ | |
| 329 #define VDBE_MAGIC_INIT 0x26bceaa5 /* Building a VDBE program */ | |
| 330 #define VDBE_MAGIC_RUN 0xbdf20da3 /* VDBE is ready to execute */ | |
| 331 #define VDBE_MAGIC_HALT 0x519c2973 /* VDBE has completed execution */ | |
| 332 #define VDBE_MAGIC_DEAD 0xb606c3c8 /* The VDBE has been deallocated */ | |
| 333 | |
| 334 /* | |
| 335 ** Function prototypes | |
| 336 */ | |
| 337 void sqlite3VdbeFreeCursor(Vdbe *, VdbeCursor*); | |
| 338 void sqliteVdbePopStack(Vdbe*,int); | |
| 339 int sqlite3VdbeCursorMoveto(VdbeCursor*); | |
| 340 #if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE) | |
| 341 void sqlite3VdbePrintOp(FILE*, int, Op*); | |
| 342 #endif | |
| 343 u32 sqlite3VdbeSerialTypeLen(u32); | |
| 344 u32 sqlite3VdbeSerialType(Mem*, int); | |
| 345 u32 sqlite3VdbeSerialPut(unsigned char*, int, Mem*, int); | |
| 346 u32 sqlite3VdbeSerialGet(const unsigned char*, u32, Mem*); | |
| 347 void sqlite3VdbeDeleteAuxData(VdbeFunc*, int); | |
| 348 | |
| 349 int sqlite2BtreeKeyCompare(BtCursor *, const void *, int, int, int *); | |
| 350 int sqlite3VdbeIdxKeyCompare(VdbeCursor*,UnpackedRecord*,int*); | |
| 351 int sqlite3VdbeIdxRowid(sqlite3*, BtCursor *, i64 *); | |
| 352 int sqlite3MemCompare(const Mem*, const Mem*, const CollSeq*); | |
| 353 int sqlite3VdbeExec(Vdbe*); | |
| 354 int sqlite3VdbeList(Vdbe*); | |
| 355 int sqlite3VdbeHalt(Vdbe*); | |
| 356 int sqlite3VdbeChangeEncoding(Mem *, int); | |
| 357 int sqlite3VdbeMemTooBig(Mem*); | |
| 358 int sqlite3VdbeMemCopy(Mem*, const Mem*); | |
| 359 void sqlite3VdbeMemShallowCopy(Mem*, const Mem*, int); | |
| 360 void sqlite3VdbeMemMove(Mem*, Mem*); | |
| 361 int sqlite3VdbeMemNulTerminate(Mem*); | |
| 362 int sqlite3VdbeMemSetStr(Mem*, const char*, int, u8, void(*)(void*)); | |
| 363 void sqlite3VdbeMemSetInt64(Mem*, i64); | |
| 364 void sqlite3VdbeMemSetDouble(Mem*, double); | |
| 365 void sqlite3VdbeMemSetNull(Mem*); | |
| 366 void sqlite3VdbeMemSetZeroBlob(Mem*,int); | |
| 367 void sqlite3VdbeMemSetRowSet(Mem*); | |
| 368 int sqlite3VdbeMemMakeWriteable(Mem*); | |
| 369 int sqlite3VdbeMemStringify(Mem*, int); | |
| 370 i64 sqlite3VdbeIntValue(Mem*); | |
| 371 int sqlite3VdbeMemIntegerify(Mem*); | |
| 372 double sqlite3VdbeRealValue(Mem*); | |
| 373 void sqlite3VdbeIntegerAffinity(Mem*); | |
| 374 int sqlite3VdbeMemRealify(Mem*); | |
| 375 int sqlite3VdbeMemNumerify(Mem*); | |
| 376 int sqlite3VdbeMemFromBtree(BtCursor*,int,int,int,Mem*); | |
| 377 void sqlite3VdbeMemRelease(Mem *p); | |
| 378 void sqlite3VdbeMemReleaseExternal(Mem *p); | |
| 379 int sqlite3VdbeMemFinalize(Mem*, FuncDef*); | |
| 380 const char *sqlite3OpcodeName(int); | |
| 381 int sqlite3VdbeOpcodeHasProperty(int, int); | |
| 382 int sqlite3VdbeMemGrow(Mem *pMem, int n, int preserve); | |
| 383 int sqlite3VdbeCloseStatement(Vdbe *, int); | |
| 384 void sqlite3VdbeFrameDelete(VdbeFrame*); | |
| 385 int sqlite3VdbeFrameRestore(VdbeFrame *); | |
| 386 #ifdef SQLITE_ENABLE_MEMORY_MANAGEMENT | |
| 387 int sqlite3VdbeReleaseBuffers(Vdbe *p); | |
| 388 #endif | |
| 389 | |
| 390 #ifndef SQLITE_OMIT_SHARED_CACHE | |
| 391 void sqlite3VdbeMutexArrayEnter(Vdbe *p); | |
| 392 #else | |
| 393 # define sqlite3VdbeMutexArrayEnter(p) | |
| 394 #endif | |
| 395 | |
| 396 int sqlite3VdbeMemTranslate(Mem*, u8); | |
| 397 #ifdef SQLITE_DEBUG | |
| 398 void sqlite3VdbePrintSql(Vdbe*); | |
| 399 void sqlite3VdbeMemPrettyPrint(Mem *pMem, char *zBuf); | |
| 400 #endif | |
| 401 int sqlite3VdbeMemHandleBom(Mem *pMem); | |
| 402 | |
| 403 #ifndef SQLITE_OMIT_INCRBLOB | |
| 404 int sqlite3VdbeMemExpandBlob(Mem *); | |
| 405 #else | |
| 406 #define sqlite3VdbeMemExpandBlob(x) SQLITE_OK | |
| 407 #endif | |
| 408 | |
| 409 #endif /* !defined(_VDBEINT_H_) */ | |
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Chromium Code Reviews
Issue 3108030:
Move bundled copy of sqlite one level deeper to better separate it... (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/