Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
Comment: | The bytecode() function now runs and sometimes works, but it untested and there are known problems. |
---|---|
Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | bytecode-function |
Files: | files | file ages | folders |
SHA3-256: |
6819b86eb2de516c445655a83f9b2ba5 |
User & Date: | drh 2020-03-23 20:58:55.887 |
Context
2020-03-23
| ||
23:17 | Fix the build so that it works even without SQLITE_ENABLE_EXPLAIN_COMMENTS. (check-in: 5896cbf4d0 user: drh tags: bytecode-function) | |
20:58 | The bytecode() function now runs and sometimes works, but it untested and there are known problems. (check-in: 6819b86eb2 user: drh tags: bytecode-function) | |
19:14 | Further simplification and modularization of the EXPLAIN logic. (check-in: aee1c12f42 user: drh tags: bytecode-function) | |
Changes
Changes to src/vdbeInt.h.
︙ | ︙ | |||
27 28 29 30 31 32 33 | #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) \ | | > | 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | #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) \ || defined(SQLITE_ENABLE_BYTECODE_VTAB) # define VDBE_DISPLAY_P4 1 #else # define VDBE_DISPLAY_P4 0 #endif /* ** SQL is translated into a sequence of instructions to be |
︙ | ︙ | |||
492 493 494 495 496 497 498 | 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*); | | > > > > | 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 | 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*); #if !defined(SQLITE_OMIT_EXPLAIN) || defined(SQLITE_ENABLE_BYTECODE_VTAB) int sqlite3VdbeNextOpcode(Vdbe*,Mem*,int,int*,int*,Op**); char *sqlite3VdbeDisplayP4(sqlite3*,Op*); char *sqlite3VdbeDisplayComment(sqlite3*,const Op*,const char*); #endif #if !defined(SQLITE_OMIT_EXPLAIN) int sqlite3VdbeList(Vdbe*); #endif int sqlite3VdbeHalt(Vdbe*); int sqlite3VdbeChangeEncoding(Mem *, int); int sqlite3VdbeMemTooBig(Mem*); int sqlite3VdbeMemCopy(Mem*, const Mem*); void sqlite3VdbeMemShallowCopy(Mem*, const Mem*, int); |
︙ | ︙ | |||
535 536 537 538 539 540 541 | int sqlite3VdbeMemFromBtree(BtCursor*,u32,u32,Mem*); int sqlite3VdbeMemFromBtreeZeroOffset(BtCursor*,u32,Mem*); void sqlite3VdbeMemRelease(Mem *p); int sqlite3VdbeMemFinalize(Mem*, FuncDef*); #ifndef SQLITE_OMIT_WINDOWFUNC int sqlite3VdbeMemAggValue(Mem*, Mem*, FuncDef*); #endif | | | 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 | int sqlite3VdbeMemFromBtree(BtCursor*,u32,u32,Mem*); int sqlite3VdbeMemFromBtreeZeroOffset(BtCursor*,u32,Mem*); void sqlite3VdbeMemRelease(Mem *p); int sqlite3VdbeMemFinalize(Mem*, FuncDef*); #ifndef SQLITE_OMIT_WINDOWFUNC int sqlite3VdbeMemAggValue(Mem*, Mem*, FuncDef*); #endif #if !defined(SQLITE_OMIT_EXPLAIN) || defined(SQLITE_ENABLE_BYTECODE_VTAB) const char *sqlite3OpcodeName(int); #endif int sqlite3VdbeMemGrow(Mem *pMem, int n, int preserve); int sqlite3VdbeMemClearAndResize(Mem *pMem, int n); int sqlite3VdbeCloseStatement(Vdbe *, int); #ifdef SQLITE_DEBUG int sqlite3VdbeFrameIsValid(VdbeFrame*); |
︙ | ︙ |
Changes to src/vdbeaux.c.
︙ | ︙ | |||
1460 1461 1462 1463 1464 1465 1466 | ** Some translation occurs: ** ** "PX" -> "r[X]" ** "PX@PY" -> "r[X..X+Y-1]" or "r[x]" if y is 0 or 1 ** "PX@PY+1" -> "r[X..X+Y]" or "r[x]" if y is 0 ** "PY..PY" -> "r[X..Y]" or "r[x]" if y<=x */ | | | 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 | ** Some translation occurs: ** ** "PX" -> "r[X]" ** "PX@PY" -> "r[X..X+Y-1]" or "r[x]" if y is 0 or 1 ** "PX@PY+1" -> "r[X..X+Y]" or "r[x]" if y is 0 ** "PY..PY" -> "r[X..Y]" or "r[x]" if y<=x */ char *sqlite3VdbeDisplayComment( sqlite3 *db, /* Optional - Oom error reporting only */ const Op *pOp, /* The opcode to be commented */ const char *zP4 /* Previously obtained value for P4 */ ){ const char *zOpName; const char *zSynopsis; int nOpName; |
︙ | ︙ | |||
1625 1626 1627 1628 1629 1630 1631 | #if VDBE_DISPLAY_P4 /* ** Compute a string that describes the P4 parameter for an opcode. ** Use zTemp for any required temporary buffer space. */ | | | 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 | #if VDBE_DISPLAY_P4 /* ** Compute a string that describes the P4 parameter for an opcode. ** Use zTemp for any required temporary buffer space. */ char *sqlite3VdbeDisplayP4(sqlite3 *db, Op *pOp){ char *zP4 = 0; StrAccum x; sqlite3StrAccumInit(&x, 0, 0, 0, SQLITE_MAX_LENGTH); switch( pOp->p4type ){ case P4_KEYINFO: { int j; |
︙ | ︙ | |||
1832 1833 1834 1835 1836 1837 1838 | ** Print a single opcode. This routine is used for debugging only. */ void sqlite3VdbePrintOp(FILE *pOut, int pc, VdbeOp *pOp){ char *zP4; char *zCom; static const char *zFormat1 = "%4d %-13s %4d %4d %4d %-13s %.2X %s\n"; if( pOut==0 ) pOut = stdout; | | | | 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 | ** Print a single opcode. This routine is used for debugging only. */ void sqlite3VdbePrintOp(FILE *pOut, int pc, VdbeOp *pOp){ char *zP4; char *zCom; static const char *zFormat1 = "%4d %-13s %4d %4d %4d %-13s %.2X %s\n"; if( pOut==0 ) pOut = stdout; zP4 = sqlite3VdbeDisplayP4(0, pOp); #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS zCom = sqlite3VdbeDisplayComment(0, pOp, zP4); #else zCom = 0; #endif /* NB: The sqlite3OpcodeName() function is implemented by code created ** by the mkopcodeh.awk and mkopcodec.awk scripts which extract the ** information from the vdbe.c source text */ fprintf(pOut, zFormat1, pc, |
︙ | ︙ | |||
1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 | void sqlite3VdbeFrameMemDel(void *pArg){ VdbeFrame *pFrame = (VdbeFrame*)pArg; assert( sqlite3VdbeFrameIsValid(pFrame) ); pFrame->pParent = pFrame->v->pDelFrame; pFrame->v->pDelFrame = pFrame; } /* ** Locate the next opcode to be displayed in EXPLAIN or EXPLAIN ** QUERY PLAN output. ** ** Return SQLITE_ROW on success. Return SQLITE_DONE if there are no ** more opcodes to be displayed. */ | > | 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 | void sqlite3VdbeFrameMemDel(void *pArg){ VdbeFrame *pFrame = (VdbeFrame*)pArg; assert( sqlite3VdbeFrameIsValid(pFrame) ); pFrame->pParent = pFrame->v->pDelFrame; pFrame->v->pDelFrame = pFrame; } #if defined(SQLITE_ENABLE_BYTECODE_VTAB) || !defined(SQLITE_OMIT_EXPLAIN) /* ** Locate the next opcode to be displayed in EXPLAIN or EXPLAIN ** QUERY PLAN output. ** ** Return SQLITE_ROW on success. Return SQLITE_DONE if there are no ** more opcodes to be displayed. */ |
︙ | ︙ | |||
2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 | if( aOp[i].opcode==OP_Init && p->pc>1 ) break; } *piPc = iPc; *piAddr = i; *paOp = aOp; return rc; } /* ** Delete a VdbeFrame object and its contents. VdbeFrame objects are ** allocated by the OP_Program opcode in sqlite3VdbeExec(). */ void sqlite3VdbeFrameDelete(VdbeFrame *p){ | > | 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 | if( aOp[i].opcode==OP_Init && p->pc>1 ) break; } *piPc = iPc; *piAddr = i; *paOp = aOp; return rc; } #endif /* SQLITE_ENABLE_BYTECODE_VTAB || !SQLITE_OMIT_EXPLAIN */ /* ** Delete a VdbeFrame object and its contents. VdbeFrame objects are ** allocated by the OP_Program opcode in sqlite3VdbeExec(). */ void sqlite3VdbeFrameDelete(VdbeFrame *p){ |
︙ | ︙ | |||
2128 2129 2130 2131 2132 2133 2134 | if( rc==SQLITE_OK ){ pOp = aOp + i; if( db->u1.isInterrupted ){ p->rc = SQLITE_INTERRUPT; rc = SQLITE_ERROR; sqlite3VdbeError(p, sqlite3ErrStr(p->rc)); }else{ | | | | 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 | if( rc==SQLITE_OK ){ pOp = aOp + i; if( db->u1.isInterrupted ){ p->rc = SQLITE_INTERRUPT; rc = SQLITE_ERROR; sqlite3VdbeError(p, sqlite3ErrStr(p->rc)); }else{ char *zP4 = sqlite3VdbeDisplayP4(db, pOp); if( p->explain==2 ){ sqlite3VdbeMemSetInt64(pMem, pOp->p1); sqlite3VdbeMemSetInt64(pMem+1, pOp->p2); sqlite3VdbeMemSetInt64(pMem+2, pOp->p3); sqlite3VdbeMemSetStr(pMem+3, zP4, -1, SQLITE_UTF8, sqlite3_free); p->nResColumn = 4; }else{ sqlite3VdbeMemSetInt64(pMem+0, i); sqlite3VdbeMemSetStr(pMem+1, (char*)sqlite3OpcodeName(pOp->opcode), -1, SQLITE_UTF8, SQLITE_STATIC); sqlite3VdbeMemSetInt64(pMem+2, pOp->p1); sqlite3VdbeMemSetInt64(pMem+3, pOp->p2); sqlite3VdbeMemSetInt64(pMem+4, pOp->p3); /* pMem+5 for p4 is done last */ sqlite3VdbeMemSetInt64(pMem+6, pOp->p5); #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS { char *zCom = sqlite3VdbeDisplayComment(db, pOp, zP4); sqlite3VdbeMemSetStr(pMem+7, zCom, -1, SQLITE_UTF8, sqlite3_free); } #else sqlite3VdbeMemSetNull(pMem+7); #endif sqlite3VdbeMemSetStr(pMem+5, zP4, -1, SQLITE_UTF8, sqlite3_free); p->nResColumn = 8; |
︙ | ︙ |
Changes to src/vdbevtab.c.
︙ | ︙ | |||
15 16 17 18 19 20 21 | */ #ifdef SQLITE_ENABLE_BYTECODE_VTAB #include "sqliteInt.h" #include "vdbeInt.h" /* An instance of the bytecode() table-valued function. */ | | | | > | > > > > > | | 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | */ #ifdef SQLITE_ENABLE_BYTECODE_VTAB #include "sqliteInt.h" #include "vdbeInt.h" /* An instance of the bytecode() table-valued function. */ typedef struct bytecodevtab bytecodevtab; struct bytecodevtab { sqlite3_vtab base; /* Base class - must be first */ sqlite3 *db; /* Database connection */ }; /* A cursor for scanning through the bytecode */ typedef struct bytecodevtab_cursor bytecodevtab_cursor; struct bytecodevtab_cursor { sqlite3_vtab_cursor base; /* Base class - must be first */ sqlite3_stmt *pStmt; /* The statement whose bytecode is displayed */ int iRowid; /* The rowid of the output table */ int iAddr; /* Address */ int needFinalize; /* Cursors owns pStmt and must finalize it */ Op *aOp; /* Operand array */ char *zP4; /* Rendered P4 value */ Mem sub; /* Subprograms */ }; /* ** Create a new bytecode() table-valued function. */ static int bytecodevtabConnect( sqlite3 *db, void *pAux, int argc, const char *const*argv, sqlite3_vtab **ppVtab, char **pzErr ){ bytecodevtab *pNew; int rc; rc = sqlite3_declare_vtab(db, "CREATE TABLE x(" "addr INT," "opcode TEXT," "p1 INT," |
︙ | ︙ | |||
61 62 63 64 65 66 67 68 69 70 71 72 | ");" ); if( rc==SQLITE_OK ){ pNew = sqlite3_malloc( sizeof(*pNew) ); *ppVtab = (sqlite3_vtab*)pNew; if( pNew==0 ) return SQLITE_NOMEM; memset(pNew, 0, sizeof(*pNew)); } return rc; } /* | > | | > > > > > > > > > > > > > > > > > > > > | > > > > > > > > > > > > > > > > | > | > > > > > > > | > | > | | > > > > > | | > > > > > > > > > > < < < < < < < | < < > > > > | > > > > > > > > > > > > > > > > > > > > > | < < < > > | > > | | > > > > > > > > > | | 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 | ");" ); if( rc==SQLITE_OK ){ pNew = sqlite3_malloc( sizeof(*pNew) ); *ppVtab = (sqlite3_vtab*)pNew; if( pNew==0 ) return SQLITE_NOMEM; memset(pNew, 0, sizeof(*pNew)); pNew->db = db; } return rc; } /* ** This method is the destructor for bytecodevtab objects. */ static int bytecodevtabDisconnect(sqlite3_vtab *pVtab){ bytecodevtab *p = (bytecodevtab*)pVtab; sqlite3_free(p); return SQLITE_OK; } /* ** Constructor for a new bytecodevtab_cursor object. */ static int bytecodevtabOpen(sqlite3_vtab *p, sqlite3_vtab_cursor **ppCursor){ bytecodevtab *pVTab = (bytecodevtab*)p; bytecodevtab_cursor *pCur; pCur = sqlite3_malloc( sizeof(*pCur) ); if( pCur==0 ) return SQLITE_NOMEM; memset(pCur, 0, sizeof(*pCur)); sqlite3VdbeMemInit(&pCur->sub, pVTab->db, 1); *ppCursor = &pCur->base; return SQLITE_OK; } /* ** Clear all internal content from a bytecodevtab cursor. */ static void bytecodevtabCursorClear(bytecodevtab_cursor *pCur){ sqlite3_free(pCur->zP4); pCur->zP4 = 0; sqlite3VdbeMemSetNull(&pCur->sub); if( pCur->needFinalize ){ sqlite3_finalize(pCur->pStmt); } pCur->pStmt = 0; pCur->needFinalize = 0; } /* ** Destructor for a bytecodevtab_cursor. */ static int bytecodevtabClose(sqlite3_vtab_cursor *cur){ bytecodevtab_cursor *pCur = (bytecodevtab_cursor*)cur; bytecodevtabCursorClear(pCur); sqlite3_free(pCur); return SQLITE_OK; } /* ** Advance a bytecodevtab_cursor to its next row of output. */ static int bytecodevtabNext(sqlite3_vtab_cursor *cur){ bytecodevtab_cursor *pCur = (bytecodevtab_cursor*)cur; int rc; if( pCur->zP4 ){ sqlite3_free(pCur->zP4); pCur->zP4 = 0; } rc = sqlite3VdbeNextOpcode((Vdbe*)pCur->pStmt, &pCur->sub, 0, &pCur->iRowid, &pCur->iAddr, &pCur->aOp); if( rc!=SQLITE_OK ){ sqlite3VdbeMemSetNull(&pCur->sub); pCur->aOp = 0; } return SQLITE_OK; } /* ** Return TRUE if the cursor has been moved off of the last ** row of output. */ static int bytecodevtabEof(sqlite3_vtab_cursor *cur){ bytecodevtab_cursor *pCur = (bytecodevtab_cursor*)cur; return pCur->aOp==0; } /* ** Return values of columns for the row at which the bytecodevtab_cursor ** is currently pointing. */ static int bytecodevtabColumn( sqlite3_vtab_cursor *cur, /* The cursor */ sqlite3_context *ctx, /* First argument to sqlite3_result_...() */ int i /* Which column to return */ ){ bytecodevtab_cursor *pCur = (bytecodevtab_cursor*)cur; bytecodevtab *pVTab; Op *pOp = pCur->aOp + pCur->iAddr; switch( i ){ case 0: sqlite3_result_int(ctx, pCur->iAddr); break; case 1: sqlite3_result_text(ctx, (char*)sqlite3OpcodeName(pOp->opcode), -1, SQLITE_STATIC); break; case 2: sqlite3_result_int(ctx, pOp->p1); break; case 3: sqlite3_result_int(ctx, pOp->p2); break; case 4: sqlite3_result_int(ctx, pOp->p3); break; case 5: case 7: pVTab = (bytecodevtab*)cur->pVtab; if( pCur->zP4==0 ){ pCur->zP4 = sqlite3VdbeDisplayP4(pVTab->db, pOp); } if( i==5 ){ sqlite3_result_text(ctx, pCur->zP4, -1, SQLITE_STATIC); }else{ char *zCom = sqlite3VdbeDisplayComment(pVTab->db, pOp, pCur->zP4); sqlite3_result_text(ctx, zCom, -1, sqlite3_free); } break; case 6: sqlite3_result_int(ctx, pOp->p5); break; } return SQLITE_OK; } /* ** Return the rowid for the current row. In this implementation, the ** rowid is the same as the output value. */ static int bytecodevtabRowid(sqlite3_vtab_cursor *cur, sqlite_int64 *pRowid){ bytecodevtab_cursor *pCur = (bytecodevtab_cursor*)cur; *pRowid = pCur->iRowid; return SQLITE_OK; } /* ** Initialize a cursor to use a new ** to the first row of output. This method is always called at least ** once prior to any call to bytecodevtabColumn() or bytecodevtabRowid() or ** bytecodevtabEof(). */ static int bytecodevtabFilter( sqlite3_vtab_cursor *pVtabCursor, int idxNum, const char *idxStr, int argc, sqlite3_value **argv ){ bytecodevtab_cursor *pCur = (bytecodevtab_cursor *)pVtabCursor; bytecodevtab *pVTab = (bytecodevtab *)pVtabCursor->pVtab; int rc = SQLITE_OK; bytecodevtabCursorClear(pCur); pCur->iRowid = 0; pCur->iAddr = 0; assert( argc==1 ); if( sqlite3_value_type(argv[0])==SQLITE_TEXT ){ const char *zSql = (const char*)sqlite3_value_text(argv[0]); if( zSql==0 ){ rc = SQLITE_NOMEM; }else{ rc = sqlite3_prepare_v2(pVTab->db, zSql, -1, &pCur->pStmt, 0); pCur->needFinalize = 1; } }else{ pCur->pStmt = (sqlite3_stmt*)sqlite3_value_pointer(argv[0],"stmt-pointer"); } if( pCur->pStmt==0 ){ pVTab->base.zErrMsg = sqlite3_mprintf( "argument to bytecode() is not a valid SQL statement" ); rc = SQLITE_ERROR; }else{ bytecodevtabNext(pVtabCursor); } return rc; } /* ** We must have a single stmt=? constraint that will be passed through ** into the xFilter method. If there is no valid stmt=? constraint, ** then return an SQLITE_CONSTRAINT error. */ static int bytecodevtabBestIndex( sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo ){ int i; int rc = SQLITE_CONSTRAINT; pIdxInfo->estimatedCost = (double)100; pIdxInfo->estimatedRows = 100; for(i=0; i<pIdxInfo->nConstraint; i++){ if( pIdxInfo->aConstraint[i].usable==0 ) continue; if( pIdxInfo->aConstraint[i].op!=SQLITE_INDEX_CONSTRAINT_EQ ) continue; if( pIdxInfo->aConstraint[i].iColumn!=9 ) continue; rc = SQLITE_OK; pIdxInfo->aConstraintUsage[i].omit = 1; pIdxInfo->aConstraintUsage[i].argvIndex = 1; break; } return rc; } /* ** This following structure defines all the methods for the ** virtual table. */ static sqlite3_module bytecodevtabModule = { |
︙ | ︙ | |||
213 214 215 216 217 218 219 | /* xRollbackTo */ 0, /* xShadowName */ 0 }; int sqlite3VdbeBytecodeVtabInit(sqlite3 *db){ int rc; | | | 307 308 309 310 311 312 313 314 315 316 317 | /* xRollbackTo */ 0, /* xShadowName */ 0 }; int sqlite3VdbeBytecodeVtabInit(sqlite3 *db){ int rc; rc = sqlite3_create_module(db, "bytecode", &bytecodevtabModule, 0); return rc; } #endif /* SQLITE_ENABLE_BYTECODE_VTAB */ |