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Overview
Comment: | More code cleanup and size reduction. (CVS 1256) |
---|---|
Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
8e3eda2a909bd80b2b14ace36ab44303 |
User & Date: | drh 2004-02-21 13:31:10.000 |
Context
2004-02-21
| ||
14:00 | Flag pragmas like vdbe_trace now return their current setting if they are called with no arguments. (CVS 1257) (check-in: 6a5fb5b89a user: drh tags: trunk) | |
13:31 | More code cleanup and size reduction. (CVS 1256) (check-in: 8e3eda2a90 user: drh tags: trunk) | |
03:28 | Enhance date/time functions to work with negative years. Ticket #617. (CVS 1255) (check-in: ffa9719348 user: drh tags: trunk) | |
Changes
Changes to src/build.c.
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19 20 21 22 23 24 25 | ** DROP INDEX ** creating ID lists ** BEGIN TRANSACTION ** COMMIT ** ROLLBACK ** PRAGMA ** | | | 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | ** DROP INDEX ** creating ID lists ** BEGIN TRANSACTION ** COMMIT ** ROLLBACK ** PRAGMA ** ** $Id: build.c,v 1.171 2004/02/21 13:31:10 drh Exp $ */ #include "sqliteInt.h" #include <ctype.h> /* ** This routine is called when a new SQL statement is beginning to ** be parsed. Check to see if the schema for the database needs |
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1270 1271 1272 1273 1274 1275 1276 | } /* Generate code to remove the table from the master table ** on disk. */ v = sqliteGetVdbe(pParse); if( v ){ | | | 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 | } /* Generate code to remove the table from the master table ** on disk. */ v = sqliteGetVdbe(pParse); if( v ){ static VdbeOpList dropTable[] = { { OP_Rewind, 0, ADDR(8), 0}, { OP_String, 0, 0, 0}, /* 1 */ { OP_MemStore, 1, 1, 0}, { OP_MemLoad, 1, 0, 0}, /* 3 */ { OP_Column, 0, 2, 0}, { OP_Ne, 0, ADDR(7), 0}, { OP_Delete, 0, 0, 0}, |
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1849 1850 1851 1852 1853 1854 1855 | } } #endif /* Generate code to remove the index and from the master table */ v = sqliteGetVdbe(pParse); if( v ){ | | | 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 | } } #endif /* Generate code to remove the index and from the master table */ v = sqliteGetVdbe(pParse); if( v ){ static VdbeOpList dropIndex[] = { { OP_Rewind, 0, ADDR(9), 0}, { OP_String, 0, 0, 0}, /* 1 */ { OP_MemStore, 1, 1, 0}, { OP_MemLoad, 1, 0, 0}, /* 3 */ { OP_Column, 0, 1, 0}, { OP_Eq, 0, ADDR(8), 0}, { OP_Next, 0, ADDR(3), 0}, |
︙ | ︙ |
Changes to src/pragma.c.
1 2 3 4 5 6 7 8 9 10 11 12 13 | /* ** 2003 April 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 file contains code used to implement the PRAGMA command. ** | | | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | /* ** 2003 April 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 file contains code used to implement the PRAGMA command. ** ** $Id: pragma.c,v 1.16 2004/02/21 13:31:10 drh Exp $ */ #include "sqliteInt.h" #include <ctype.h> /* ** Interpret the given string as a boolean value. */ |
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129 130 131 132 133 134 135 | ** The default cache size is stored in meta-value 2 of page 1 of the ** database file. The cache size is actually the absolute value of ** this memory location. The sign of meta-value 2 determines the ** synchronous setting. A negative value means synchronous is off ** and a positive value means synchronous is on. */ if( sqliteStrICmp(zLeft,"default_cache_size")==0 ){ | | | > | > < | 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 | ** The default cache size is stored in meta-value 2 of page 1 of the ** database file. The cache size is actually the absolute value of ** this memory location. The sign of meta-value 2 determines the ** synchronous setting. A negative value means synchronous is off ** and a positive value means synchronous is on. */ if( sqliteStrICmp(zLeft,"default_cache_size")==0 ){ static VdbeOpList getCacheSize[] = { { OP_ReadCookie, 0, 2, 0}, { OP_AbsValue, 0, 0, 0}, { OP_Dup, 0, 0, 0}, { OP_Integer, 0, 0, 0}, { OP_Ne, 0, 6, 0}, { OP_Integer, 0, 0, 0}, /* 5 */ { OP_ColumnName, 0, 1, "cache_size"}, { OP_Callback, 1, 0, 0}, }; int addr; if( pRight->z==pLeft->z ){ addr = sqliteVdbeAddOpList(v, ArraySize(getCacheSize), getCacheSize); sqliteVdbeChangeP1(v, addr+5, MAX_PAGES); }else{ int size = atoi(zRight); if( size<0 ) size = -size; sqliteBeginWriteOperation(pParse, 0, 0); sqliteVdbeAddOp(v, OP_Integer, size, 0); sqliteVdbeAddOp(v, OP_ReadCookie, 0, 2); addr = sqliteVdbeAddOp(v, OP_Integer, 0, 0); sqliteVdbeAddOp(v, OP_Ge, 0, addr+3); |
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173 174 175 176 177 178 179 | ** pages in the page cache. The second form sets the local ** page cache size value. It does not change the persistent ** cache size stored on the disk so the cache size will revert ** to its default value when the database is closed and reopened. ** N should be a positive integer. */ if( sqliteStrICmp(zLeft,"cache_size")==0 ){ | | | 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 | ** pages in the page cache. The second form sets the local ** page cache size value. It does not change the persistent ** cache size stored on the disk so the cache size will revert ** to its default value when the database is closed and reopened. ** N should be a positive integer. */ if( sqliteStrICmp(zLeft,"cache_size")==0 ){ static VdbeOpList getCacheSize[] = { { OP_ColumnName, 0, 1, "cache_size"}, { OP_Callback, 1, 0, 0}, }; if( pRight->z==pLeft->z ){ int size = db->cache_size;; if( size<0 ) size = -size; sqliteVdbeAddOp(v, OP_Integer, size, 0); |
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211 212 213 214 215 216 217 | ** If synchronous is ON or NORMAL, SQLite will do an fsync() system call to ** make sure data is being written to disk. The risk of corruption due to ** a power loss in this mode is negligible but non-zero. If synchronous ** is FULL, extra fsync()s occur to reduce the risk of corruption to near ** zero, but with a write performance penalty. The default mode is NORMAL. */ if( sqliteStrICmp(zLeft,"default_synchronous")==0 ){ | | | 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 | ** If synchronous is ON or NORMAL, SQLite will do an fsync() system call to ** make sure data is being written to disk. The risk of corruption due to ** a power loss in this mode is negligible but non-zero. If synchronous ** is FULL, extra fsync()s occur to reduce the risk of corruption to near ** zero, but with a write performance penalty. The default mode is NORMAL. */ if( sqliteStrICmp(zLeft,"default_synchronous")==0 ){ static VdbeOpList getSync[] = { { OP_ColumnName, 0, 1, "synchronous"}, { OP_ReadCookie, 0, 3, 0}, { OP_Dup, 0, 0, 0}, { OP_If, 0, 0, 0}, /* 3 */ { OP_ReadCookie, 0, 2, 0}, { OP_Integer, 0, 0, 0}, { OP_Lt, 0, 5, 0}, |
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264 265 266 267 268 269 270 | ** ** Return or set the local value of the synchronous flag. Changing ** the local value does not make changes to the disk file and the ** default value will be restored the next time the database is ** opened. */ if( sqliteStrICmp(zLeft,"synchronous")==0 ){ | | | 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 | ** ** Return or set the local value of the synchronous flag. Changing ** the local value does not make changes to the disk file and the ** default value will be restored the next time the database is ** opened. */ if( sqliteStrICmp(zLeft,"synchronous")==0 ){ static VdbeOpList getSync[] = { { OP_ColumnName, 0, 1, "synchronous"}, { OP_Callback, 1, 0, 0}, }; if( pRight->z==pLeft->z ){ sqliteVdbeAddOp(v, OP_Integer, db->safety_level-1, 0); sqliteVdbeAddOpList(v, ArraySize(getSync), getSync); }else{ |
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342 343 344 345 346 347 348 | } }else if( sqliteStrICmp(zLeft, "table_info")==0 ){ Table *pTab; pTab = sqliteFindTable(db, zRight, 0); if( pTab ){ | | | 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 | } }else if( sqliteStrICmp(zLeft, "table_info")==0 ){ Table *pTab; pTab = sqliteFindTable(db, zRight, 0); if( pTab ){ static VdbeOpList tableInfoPreface[] = { { OP_ColumnName, 0, 0, "cid"}, { OP_ColumnName, 1, 0, "name"}, { OP_ColumnName, 2, 0, "type"}, { OP_ColumnName, 3, 0, "notnull"}, { OP_ColumnName, 4, 0, "dflt_value"}, { OP_ColumnName, 5, 1, "pk"}, }; |
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374 375 376 377 378 379 380 | }else if( sqliteStrICmp(zLeft, "index_info")==0 ){ Index *pIdx; Table *pTab; pIdx = sqliteFindIndex(db, zRight, 0); if( pIdx ){ | | | 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 | }else if( sqliteStrICmp(zLeft, "index_info")==0 ){ Index *pIdx; Table *pTab; pIdx = sqliteFindIndex(db, zRight, 0); if( pIdx ){ static VdbeOpList tableInfoPreface[] = { { OP_ColumnName, 0, 0, "seqno"}, { OP_ColumnName, 1, 0, "cid"}, { OP_ColumnName, 2, 1, "name"}, }; int i; pTab = pIdx->pTable; sqliteVdbeAddOpList(v, ArraySize(tableInfoPreface), tableInfoPreface); |
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404 405 406 407 408 409 410 | pTab = sqliteFindTable(db, zRight, 0); if( pTab ){ v = sqliteGetVdbe(pParse); pIdx = pTab->pIndex; } if( pTab && pIdx ){ int i = 0; | | | 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 | pTab = sqliteFindTable(db, zRight, 0); if( pTab ){ v = sqliteGetVdbe(pParse); pIdx = pTab->pIndex; } if( pTab && pIdx ){ int i = 0; static VdbeOpList indexListPreface[] = { { OP_ColumnName, 0, 0, "seq"}, { OP_ColumnName, 1, 0, "name"}, { OP_ColumnName, 2, 1, "unique"}, }; sqliteVdbeAddOpList(v, ArraySize(indexListPreface), indexListPreface); while(pIdx){ |
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433 434 435 436 437 438 439 | pTab = sqliteFindTable(db, zRight, 0); if( pTab ){ v = sqliteGetVdbe(pParse); pFK = pTab->pFKey; } if( pTab && pFK ){ int i = 0; | | | 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 | pTab = sqliteFindTable(db, zRight, 0); if( pTab ){ v = sqliteGetVdbe(pParse); pFK = pTab->pFKey; } if( pTab && pFK ){ int i = 0; static VdbeOpList indexListPreface[] = { { OP_ColumnName, 0, 0, "id"}, { OP_ColumnName, 1, 0, "seq"}, { OP_ColumnName, 2, 0, "table"}, { OP_ColumnName, 3, 0, "from"}, { OP_ColumnName, 4, 1, "to"}, }; |
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464 465 466 467 468 469 470 | pFK = pFK->pNextFrom; } } }else if( sqliteStrICmp(zLeft, "database_list")==0 ){ int i; | | | 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 | pFK = pFK->pNextFrom; } } }else if( sqliteStrICmp(zLeft, "database_list")==0 ){ int i; static VdbeOpList indexListPreface[] = { { OP_ColumnName, 0, 0, "seq"}, { OP_ColumnName, 1, 0, "name"}, { OP_ColumnName, 2, 1, "file"}, }; sqliteVdbeAddOpList(v, ArraySize(indexListPreface), indexListPreface); for(i=0; i<db->nDb; i++){ |
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497 498 499 500 501 502 503 | ** the local value does not make changes to the disk file and the default ** value will be restored the next time the database is opened. ** ** Note that it is possible for the library compile-time options to ** override this setting */ if( sqliteStrICmp(zLeft, "temp_store")==0 ){ | | | 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 | ** the local value does not make changes to the disk file and the default ** value will be restored the next time the database is opened. ** ** Note that it is possible for the library compile-time options to ** override this setting */ if( sqliteStrICmp(zLeft, "temp_store")==0 ){ static VdbeOpList getTmpDbLoc[] = { { OP_ColumnName, 0, 1, "temp_store"}, { OP_Callback, 1, 0, 0}, }; if( pRight->z==pLeft->z ){ sqliteVdbeAddOp(v, OP_Integer, db->temp_store, 0); sqliteVdbeAddOpList(v, ArraySize(getTmpDbLoc), getTmpDbLoc); }else{ |
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525 526 527 528 529 530 531 | ** Return or set the value of the persistent temp_store flag (as ** well as the value currently in force). ** ** Note that it is possible for the library compile-time options to ** override this setting */ if( sqliteStrICmp(zLeft, "default_temp_store")==0 ){ | | | 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 | ** Return or set the value of the persistent temp_store flag (as ** well as the value currently in force). ** ** Note that it is possible for the library compile-time options to ** override this setting */ if( sqliteStrICmp(zLeft, "default_temp_store")==0 ){ static VdbeOpList getTmpDbLoc[] = { { OP_ColumnName, 0, 1, "temp_store"}, { OP_ReadCookie, 0, 5, 0}, { OP_Callback, 1, 0, 0}}; if( pRight->z==pLeft->z ){ sqliteVdbeAddOpList(v, ArraySize(getTmpDbLoc), getTmpDbLoc); }else{ if (&db->aDb[1].pBt != 0) { |
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562 563 564 565 566 567 568 | if( sqliteStrICmp(zLeft, "integrity_check")==0 ){ int i, j, addr; /* Code that initializes the integrity check program. Set the ** error count 0 */ | | | | 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 | if( sqliteStrICmp(zLeft, "integrity_check")==0 ){ int i, j, addr; /* Code that initializes the integrity check program. Set the ** error count 0 */ static VdbeOpList initCode[] = { { OP_Integer, 0, 0, 0}, { OP_MemStore, 0, 1, 0}, { OP_ColumnName, 0, 1, "integrity_check"}, }; /* Code to do an BTree integrity check on a single database file. */ static VdbeOpList checkDb[] = { { OP_SetInsert, 0, 0, "2"}, { OP_Integer, 0, 0, 0}, /* 1 */ { OP_OpenRead, 0, 2, 0}, { OP_Rewind, 0, 7, 0}, /* 3 */ { OP_Column, 0, 3, 0}, /* 4 */ { OP_SetInsert, 0, 0, 0}, { OP_Next, 0, 4, 0}, /* 6 */ |
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595 596 597 598 599 600 601 | { OP_Callback, 1, 0, 0}, }; /* Code that appears at the end of the integrity check. If no error ** messages have been generated, output OK. Otherwise output the ** error message */ | | | 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 | { OP_Callback, 1, 0, 0}, }; /* Code that appears at the end of the integrity check. If no error ** messages have been generated, output OK. Otherwise output the ** error message */ static VdbeOpList endCode[] = { { OP_MemLoad, 0, 0, 0}, { OP_Integer, 0, 0, 0}, { OP_Ne, 0, 0, 0}, /* 2 */ { OP_String, 0, 0, "ok"}, { OP_Callback, 1, 0, 0}, }; |
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644 645 646 647 648 649 650 | } sqliteVdbeAddOp(v, OP_Integer, 0, 0); sqliteVdbeAddOp(v, OP_MemStore, 1, 1); loopTop = sqliteVdbeAddOp(v, OP_Rewind, 1, 0); sqliteVdbeAddOp(v, OP_MemIncr, 1, 0); for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){ int k, jmp2; | | | 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 | } sqliteVdbeAddOp(v, OP_Integer, 0, 0); sqliteVdbeAddOp(v, OP_MemStore, 1, 1); loopTop = sqliteVdbeAddOp(v, OP_Rewind, 1, 0); sqliteVdbeAddOp(v, OP_MemIncr, 1, 0); for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){ int k, jmp2; static VdbeOpList idxErr[] = { { OP_MemIncr, 0, 0, 0}, { OP_String, 0, 0, "rowid "}, { OP_Recno, 1, 0, 0}, { OP_String, 0, 0, " missing from index "}, { OP_String, 0, 0, 0}, /* 4 */ { OP_Concat, 4, 0, 0}, { OP_Callback, 1, 0, 0}, |
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672 673 674 675 676 677 678 | addr = sqliteVdbeAddOpList(v, ArraySize(idxErr), idxErr); sqliteVdbeChangeP3(v, addr+4, pIdx->zName, P3_STATIC); sqliteVdbeChangeP2(v, jmp2, sqliteVdbeCurrentAddr(v)); } sqliteVdbeAddOp(v, OP_Next, 1, loopTop+1); sqliteVdbeChangeP2(v, loopTop, sqliteVdbeCurrentAddr(v)); for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){ | | | 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 | addr = sqliteVdbeAddOpList(v, ArraySize(idxErr), idxErr); sqliteVdbeChangeP3(v, addr+4, pIdx->zName, P3_STATIC); sqliteVdbeChangeP2(v, jmp2, sqliteVdbeCurrentAddr(v)); } sqliteVdbeAddOp(v, OP_Next, 1, loopTop+1); sqliteVdbeChangeP2(v, loopTop, sqliteVdbeCurrentAddr(v)); for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){ static VdbeOpList cntIdx[] = { { OP_Integer, 0, 0, 0}, { OP_MemStore, 2, 1, 0}, { OP_Rewind, 0, 0, 0}, /* 2 */ { OP_MemIncr, 2, 0, 0}, { OP_Next, 0, 0, 0}, /* 4 */ { OP_MemLoad, 1, 0, 0}, { OP_MemLoad, 2, 0, 0}, |
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Changes to src/printf.c.
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214 215 216 217 218 219 220 | LONGDOUBLE_TYPE realvalue; /* Value for real types */ et_info *infop; /* Pointer to the appropriate info structure */ char buf[etBUFSIZE]; /* Conversion buffer */ char prefix; /* Prefix character. "+" or "-" or " " or '\0'. */ etByte errorflag = 0; /* True if an error is encountered */ etByte xtype; /* Conversion paradigm */ char *zExtra; /* Extra memory used for etTCLESCAPE conversions */ | | < | 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 | LONGDOUBLE_TYPE realvalue; /* Value for real types */ et_info *infop; /* Pointer to the appropriate info structure */ char buf[etBUFSIZE]; /* Conversion buffer */ char prefix; /* Prefix character. "+" or "-" or " " or '\0'. */ etByte errorflag = 0; /* True if an error is encountered */ etByte xtype; /* Conversion paradigm */ char *zExtra; /* Extra memory used for etTCLESCAPE conversions */ static char spaces[] = " "; #define etSPACESIZE (sizeof(spaces)-1) #ifndef etNOFLOATINGPOINT int exp; /* exponent of real numbers */ double rounder; /* Used for rounding floating point values */ etByte flag_dp; /* True if decimal point should be shown */ etByte flag_rtz; /* True if trailing zeros should be removed */ etByte flag_exp; /* True to force display of the exponent */ |
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Changes to src/sqliteInt.h.
1 2 3 4 5 6 7 8 9 10 11 12 13 | /* ** 2001 September 15 ** ** 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. ** ************************************************************************* ** Internal interface definitions for SQLite. ** | | < | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | /* ** 2001 September 15 ** ** 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. ** ************************************************************************* ** Internal interface definitions for SQLite. ** ** @(#) $Id: sqliteInt.h,v 1.216 2004/02/21 13:31:10 drh Exp $ */ #include "config.h" #include "sqlite.h" #include "hash.h" #include "parse.h" #include "btree.h" #include <stdio.h> #include <stdlib.h> #include <string.h> #include <assert.h> |
︙ | ︙ | |||
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 | #endif #ifndef UINT16_TYPE # define UINT16_TYPE unsigned short int #endif #ifndef UINT8_TYPE # define UINT8_TYPE unsigned char #endif #ifndef INTPTR_TYPE # if SQLITE_PTR_SZ==4 # define INTPTR_TYPE int # else # define INTPTR_TYPE long long # endif #endif typedef UINT32_TYPE u32; /* 4-byte unsigned integer */ typedef UINT16_TYPE u16; /* 2-byte unsigned integer */ typedef UINT8_TYPE u8; /* 1-byte unsigned integer */ typedef INTPTR_TYPE ptr; /* Big enough to hold a pointer */ typedef unsigned INTPTR_TYPE uptr; /* Big enough to hold a pointer */ /* ** Most C compilers these days recognize "long double", don't they? ** Just in case we encounter one that does not, we will create a macro ** for long double so that it can be easily changed to just "double". */ #ifndef LONGDOUBLE_TYPE # define LONGDOUBLE_TYPE long double | > > > > > > > > > | 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 | #endif #ifndef UINT16_TYPE # define UINT16_TYPE unsigned short int #endif #ifndef UINT8_TYPE # define UINT8_TYPE unsigned char #endif #ifndef INT8_TYPE # define INT8_TYPE signed char #endif #ifndef INTPTR_TYPE # if SQLITE_PTR_SZ==4 # define INTPTR_TYPE int # else # define INTPTR_TYPE long long # endif #endif typedef UINT32_TYPE u32; /* 4-byte unsigned integer */ typedef UINT16_TYPE u16; /* 2-byte unsigned integer */ typedef UINT8_TYPE u8; /* 1-byte unsigned integer */ typedef UINT8_TYPE i8; /* 1-byte signed integer */ typedef INTPTR_TYPE ptr; /* Big enough to hold a pointer */ typedef unsigned INTPTR_TYPE uptr; /* Big enough to hold a pointer */ /* ** Defer sourcing vdbe.h until after the "u8" typedef is defined. */ #include "vdbe.h" /* ** Most C compilers these days recognize "long double", don't they? ** Just in case we encounter one that does not, we will create a macro ** for long double so that it can be easily changed to just "double". */ #ifndef LONGDOUBLE_TYPE # define LONGDOUBLE_TYPE long double |
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Changes to src/trigger.c.
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178 179 180 181 182 183 184 | goto triggerfinish_cleanup; } /* if we are not initializing, and this trigger is not on a TEMP table, ** build the sqlite_master entry */ if( !db->init.busy ){ | | | 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 | goto triggerfinish_cleanup; } /* if we are not initializing, and this trigger is not on a TEMP table, ** build the sqlite_master entry */ if( !db->init.busy ){ static VdbeOpList insertTrig[] = { { OP_NewRecno, 0, 0, 0 }, { OP_String, 0, 0, "trigger" }, { OP_String, 0, 0, 0 }, /* 2: trigger name */ { OP_String, 0, 0, 0 }, /* 3: table name */ { OP_Integer, 0, 0, 0 }, { OP_String, 0, 0, 0 }, /* 5: SQL */ { OP_MakeRecord, 5, 0, 0 }, |
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446 447 448 449 450 451 452 | } #endif /* Generate code to destroy the database record of the trigger. */ if( pTable!=0 && !nested && (v = sqliteGetVdbe(pParse))!=0 ){ int base; | | | 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 | } #endif /* Generate code to destroy the database record of the trigger. */ if( pTable!=0 && !nested && (v = sqliteGetVdbe(pParse))!=0 ){ int base; static VdbeOpList dropTrigger[] = { { OP_Rewind, 0, ADDR(9), 0}, { OP_String, 0, 0, 0}, /* 1 */ { OP_Column, 0, 1, 0}, { OP_Ne, 0, ADDR(8), 0}, { OP_String, 0, 0, "trigger"}, { OP_Column, 0, 0, 0}, { OP_Ne, 0, ADDR(8), 0}, |
︙ | ︙ |
Changes to src/vdbe.h.
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11 12 13 14 15 16 17 | ************************************************************************* ** Header file for the Virtual DataBase Engine (VDBE) ** ** This header defines the interface to the virtual database engine ** or VDBE. The VDBE implements an abstract machine that runs a ** simple program to access and modify the underlying database. ** | | | > > > > > > > > > > > > | 11 12 13 14 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 60 61 62 63 64 65 66 67 | ************************************************************************* ** Header file for the Virtual DataBase Engine (VDBE) ** ** This header defines the interface to the virtual database engine ** or VDBE. The VDBE implements an abstract machine that runs a ** simple program to access and modify the underlying database. ** ** $Id: vdbe.h,v 1.70 2004/02/21 13:31:11 drh Exp $ */ #ifndef _SQLITE_VDBE_H_ #define _SQLITE_VDBE_H_ #include <stdio.h> /* ** A single VDBE is an opaque structure named "Vdbe". Only routines ** in the source file sqliteVdbe.c are allowed to see the insides ** of this structure. */ typedef struct Vdbe Vdbe; /* ** A single instruction of the virtual machine has an opcode ** and as many as three operands. The instruction is recorded ** as an instance of the following structure: */ struct VdbeOp { u8 opcode; /* What operation to perform */ int p1; /* First operand */ int p2; /* Second parameter (often the jump destination) */ char *p3; /* Third parameter */ int p3type; /* P3_STATIC, P3_DYNAMIC or P3_POINTER */ #ifdef VDBE_PROFILE int cnt; /* Number of times this instruction was executed */ long long cycles; /* Total time spend executing this instruction */ #endif }; typedef struct VdbeOp VdbeOp; /* ** A smaller version of VdbeOp used for the VdbeAddOpList() function because ** it takes up less space. */ struct VdbeOpList { u8 opcode; /* What operation to perform */ signed char p1; /* First operand */ short int p2; /* Second parameter (often the jump destination) */ char *p3; /* Third parameter */ }; typedef struct VdbeOpList VdbeOpList; /* ** Allowed values of VdbeOp.p3type */ #define P3_NOTUSED 0 /* The P3 parameter is not used */ #define P3_DYNAMIC (-1) /* Pointer to a string obtained from sqliteMalloc() */ #define P3_STATIC (-2) /* Pointer to a static string */ #define P3_POINTER (-3) /* P3 is a pointer to some structure or object */ |
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71 72 73 74 75 76 77 | /* ** Prototypes for the VDBE interface. See comments on the implementation ** for a description of what each of these routines does. */ Vdbe *sqliteVdbeCreate(sqlite*); void sqliteVdbeCreateCallback(Vdbe*, int*); int sqliteVdbeAddOp(Vdbe*,int,int,int); | | | 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | /* ** Prototypes for the VDBE interface. See comments on the implementation ** for a description of what each of these routines does. */ Vdbe *sqliteVdbeCreate(sqlite*); void sqliteVdbeCreateCallback(Vdbe*, int*); int sqliteVdbeAddOp(Vdbe*,int,int,int); int sqliteVdbeAddOpList(Vdbe*, int nOp, VdbeOpList const *aOp); void sqliteVdbeChangeP1(Vdbe*, int addr, int P1); void sqliteVdbeChangeP2(Vdbe*, int addr, int P2); void sqliteVdbeChangeP3(Vdbe*, int addr, const char *zP1, int N); void sqliteVdbeDequoteP3(Vdbe*, int addr); int sqliteVdbeFindOp(Vdbe*, int, int); VdbeOp *sqliteVdbeGetOp(Vdbe*, int); int sqliteVdbeMakeLabel(Vdbe*); |
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Changes to src/vdbeaux.c.
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163 164 165 166 167 168 169 | return p->nOp; } /* ** Add a whole list of operations to the operation stack. Return the ** address of the first operation added. */ | | > | | | > > | > | | 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 | return p->nOp; } /* ** Add a whole list of operations to the operation stack. Return the ** address of the first operation added. */ int sqliteVdbeAddOpList(Vdbe *p, int nOp, VdbeOpList const *aOp){ int addr; assert( p->magic==VDBE_MAGIC_INIT ); if( p->nOp + nOp >= p->nOpAlloc ){ int oldSize = p->nOpAlloc; Op *aNew; p->nOpAlloc = p->nOpAlloc*2 + nOp + 10; aNew = sqliteRealloc(p->aOp, p->nOpAlloc*sizeof(Op)); if( aNew==0 ){ p->nOpAlloc = oldSize; return 0; } p->aOp = aNew; memset(&p->aOp[oldSize], 0, (p->nOpAlloc-oldSize)*sizeof(Op)); } addr = p->nOp; if( nOp>0 ){ int i; VdbeOpList const *pIn = aOp; for(i=0; i<nOp; i++, pIn++){ int p2 = pIn->p2; VdbeOp *pOut = &p->aOp[i+addr]; pOut->opcode = pIn->opcode; pOut->p1 = pIn->p1; pOut->p2 = p2<0 ? addr + ADDR(p2) : p2; pOut->p3 = pIn->p3; pOut->p3type = pIn->p3 ? P3_STATIC : P3_NOTUSED; #ifndef NDEBUG if( sqlite_vdbe_addop_trace ){ sqliteVdbePrintOp(0, i+addr, &p->aOp[i+addr]); } #endif } p->nOp += nOp; |
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