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Overview
Comment: | Changes to test8.c to support UPDATE operations on xUpdate. (CVS 3250) |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
9e96511f83476e489fa62a05241393a8 |
User & Date: | drh 2006-06-14 23:43:31.000 |
Context
2006-06-15
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04:28 | Add void* argument to sqlite3_create_module to replace sqlite3_module.pAux. (CVS 3251) (check-in: 470a3a0b20 user: danielk1977 tags: trunk) | |
2006-06-14
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23:43 | Changes to test8.c to support UPDATE operations on xUpdate. (CVS 3250) (check-in: 9e96511f83 user: drh tags: trunk) | |
22:07 | Bug fixes in the MATCH and ORDER BY processing of virtual tables. (CVS 3249) (check-in: c996185a9e user: drh tags: trunk) | |
Changes
Changes to src/test8.c.
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9 10 11 12 13 14 15 | ** May you share freely, never taking more than you give. ** ************************************************************************* ** Code for testing the virtual table interfaces. This code ** is not included in the SQLite library. It is used for automated ** testing of the SQLite library. ** | | | 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | ** May you share freely, never taking more than you give. ** ************************************************************************* ** Code for testing the virtual table interfaces. This code ** is not included in the SQLite library. It is used for automated ** testing of the SQLite library. ** ** $Id: test8.c,v 1.19 2006/06/14 23:43:31 drh Exp $ */ #include "sqliteInt.h" #include "tcl.h" #include "os.h" #include <stdlib.h> #include <string.h> |
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481 482 483 484 485 486 487 488 489 490 491 492 493 494 | int echoUpdate(sqlite3_vtab *tab, int nData, sqlite3_value **apData){ echo_vtab *pVtab = (echo_vtab *)tab; sqlite3 *db = pVtab->db; int rc = SQLITE_OK; assert( nData==pVtab->nCol+2 || nData==1 ); /* If apData[0] is an integer, delete the identified row */ if( sqlite3_value_type(apData[0])==SQLITE_INTEGER ){ const char *zFormat = "DELETE FROM %Q WHERE rowid = ?"; char *zDelete = sqlite3_mprintf(zFormat, pVtab->zTableName); if( !zDelete ){ rc = SQLITE_NOMEM; | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 | int echoUpdate(sqlite3_vtab *tab, int nData, sqlite3_value **apData){ echo_vtab *pVtab = (echo_vtab *)tab; sqlite3 *db = pVtab->db; int rc = SQLITE_OK; assert( nData==pVtab->nCol+2 || nData==1 ); /* If apData[0] is an integer and nData>1 then do an UPDATE */ if( nData>1 && sqlite3_value_type(apData[0])==SQLITE_INTEGER ){ char *zUpdate = sqlite3_mprintf("UPDATE %Q", pVtab->zTableName); char *zSep = " SET"; char *zTemp; int i, j; sqlite3_stmt *pStmt; if( apData[1] && sqlite3_value_type(apData[1]) && sqlite3_value_int64(apData[0])!=sqlite3_value_int64(apData[1]) ){ zTemp = sqlite3_mprintf("%s SET rowid=%lld", zUpdate, zSep, sqlite3_value_int64(apData[1])); sqlite3_free(zUpdate); zUpdate = zTemp; zSep = ","; } for(i=2; i<nData; i++){ if( apData[i]==0 ) continue; zTemp = sqlite3_mprintf("%s%s %Q=?", zUpdate, zSep, pVtab->aCol[i-2]); sqlite3_free(zUpdate); zUpdate = zTemp; zSep = ","; } zTemp = sqlite3_mprintf("%s WHERE rowid=%lld", zUpdate, sqlite3_value_int64(apData[0])); sqlite3_free(zUpdate); zUpdate = zTemp; rc = sqlite3_prepare(db, zUpdate, -1, &pStmt, 0); assert( rc!=SQLITE_OK || pStmt ); if( rc ) return rc; for(i=2, j=1; i<nData; i++){ if( apData[i]==0 ) continue; switch( sqlite3_value_type(apData[i]) ){ case SQLITE_INTEGER: { sqlite3_bind_int64(pStmt, j, sqlite3_value_int64(apData[i])); break; } case SQLITE_FLOAT: { sqlite3_bind_double(pStmt, j, sqlite3_value_double(apData[i])); break; } case SQLITE_NULL: { sqlite3_bind_null(pStmt, j); break; } case SQLITE_TEXT: { sqlite3_bind_text(pStmt, j, sqlite3_value_text(apData[i]), sqlite3_value_bytes(apData[i]), SQLITE_TRANSIENT); break; } case SQLITE_BLOB: { sqlite3_bind_blob(pStmt, j, sqlite3_value_blob(apData[i]), sqlite3_value_bytes(apData[i]), SQLITE_TRANSIENT); break; } } j++; } sqlite3_step(pStmt); rc = sqlite3_finalize(pStmt); return rc; } /* If apData[0] is an integer, delete the identified row */ if( sqlite3_value_type(apData[0])==SQLITE_INTEGER ){ const char *zFormat = "DELETE FROM %Q WHERE rowid = ?"; char *zDelete = sqlite3_mprintf(zFormat, pVtab->zTableName); if( !zDelete ){ rc = SQLITE_NOMEM; |
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