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Overview
| Comment: | Changes to test8.c to support UPDATE operations on xUpdate. (CVS 3250) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
9e96511f83476e489fa62a05241393a8 |
| User & Date: | drh 2006-06-14 23:43:31 |
Context
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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: 470a3a0b user: danielk1977 tags: trunk) | |
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2006-06-14
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| 23:43 | Changes to test8.c to support UPDATE operations on xUpdate. (CVS 3250) (check-in: 9e96511f user: drh tags: trunk) | |
| 22:07 | Bug fixes in the MATCH and ORDER BY processing of virtual tables. (CVS 3249) (check-in: c996185a user: drh tags: trunk) | |
Changes
Changes to src/test8.c.
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** 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 1.18 2006/06/14 22:07:11 drh Exp $ */ #include "sqliteInt.h" #include "tcl.h" #include "os.h" #include <stdlib.h> #include <string.h> ................................................................................ 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; |
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** 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> ................................................................................ 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; |