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Overview
| Comment: | Fix some harmless compiler warnings and improve defenses against OOM errors. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | alter-table-rename-column |
| Files: | files | file ages | folders |
| SHA3-256: | 2e2cf992f5d6cae2030c3c03b0eb98af |
| User & Date: | drh 2018-09-01 16:55:36 |
Context
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2018-09-01
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| 20:02 | Fixes for harmless compiler warnings. check-in: 41b8f38b user: drh tags: alter-table-rename-column | |
| 16:55 | Fix some harmless compiler warnings and improve defenses against OOM errors. check-in: 2e2cf992 user: drh tags: alter-table-rename-column | |
| 16:13 | Merge alter-table-rename-table back into this branch. check-in: ad704a7c user: dan tags: alter-table-rename-column | |
Changes
Changes to src/alter.c.
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int nQuot; /* Set zQuot to point to a buffer containing a quoted copy of the ** identifier zNew. If the corresponding identifier in the original ** ALTER TABLE statement was quoted (bQuote==1), then set zNew to ** point to zQuot so that all substitutions are made using the ** quoted version of the new column name. */ zQuot = sqlite3_mprintf("\"%w\"", zNew); if( zQuot==0 ){ return SQLITE_NOMEM; }else{ nQuot = sqlite3Strlen30(zQuot); } if( bQuote ){ zNew = zQuot; ................................................................................ sqlite3_context *context, int NotUsed, sqlite3_value **argv ){ sqlite3 *db = sqlite3_context_db_handle(context); RenameCtx sCtx; const char *zSql = (const char*)sqlite3_value_text(argv[0]); int nSql = sqlite3_value_bytes(argv[0]); const char *zDb = (const char*)sqlite3_value_text(argv[3]); const char *zTable = (const char*)sqlite3_value_text(argv[4]); int iCol = sqlite3_value_int(argv[5]); const char *zNew = (const char*)sqlite3_value_text(argv[6]); int nNew = sqlite3_value_bytes(argv[6]); int bQuote = sqlite3_value_int(argv[7]); const char *zOld; int bTemp = 0; int rc; char *zErr = 0; Parse sParse; Walker sWalker; Index *pIdx; char *zOut = 0; int i; Table *pTab; #ifndef SQLITE_OMIT_AUTHORIZATION sqlite3_xauth xAuth = db->xAuth; #endif UNUSED_PARAMETER(NotUsed); ................................................................................ int NotUsed, sqlite3_value **argv ){ sqlite3 *db = sqlite3_context_db_handle(context); unsigned char const *zDb = sqlite3_value_text(argv[0]); unsigned char const *zInput = sqlite3_value_text(argv[1]); int bTemp = sqlite3_value_int(argv[4]); #ifndef SQLITE_OMIT_AUTHORIZATION sqlite3_xauth xAuth = db->xAuth; db->xAuth = 0; #endif if( zDb && zInput ){ |
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int nQuot; /* Set zQuot to point to a buffer containing a quoted copy of the ** identifier zNew. If the corresponding identifier in the original ** ALTER TABLE statement was quoted (bQuote==1), then set zNew to ** point to zQuot so that all substitutions are made using the ** quoted version of the new column name. */ zQuot = sqlite3MPrintf(db, "\"%w\"", zNew); if( zQuot==0 ){ return SQLITE_NOMEM; }else{ nQuot = sqlite3Strlen30(zQuot); } if( bQuote ){ zNew = zQuot; ................................................................................ sqlite3_context *context, int NotUsed, sqlite3_value **argv ){ sqlite3 *db = sqlite3_context_db_handle(context); RenameCtx sCtx; const char *zSql = (const char*)sqlite3_value_text(argv[0]); const char *zDb = (const char*)sqlite3_value_text(argv[3]); const char *zTable = (const char*)sqlite3_value_text(argv[4]); int iCol = sqlite3_value_int(argv[5]); const char *zNew = (const char*)sqlite3_value_text(argv[6]); int bQuote = sqlite3_value_int(argv[7]); const char *zOld; int bTemp = 0; int rc; Parse sParse; Walker sWalker; Index *pIdx; int i; Table *pTab; #ifndef SQLITE_OMIT_AUTHORIZATION sqlite3_xauth xAuth = db->xAuth; #endif UNUSED_PARAMETER(NotUsed); ................................................................................ int NotUsed, sqlite3_value **argv ){ sqlite3 *db = sqlite3_context_db_handle(context); unsigned char const *zDb = sqlite3_value_text(argv[0]); unsigned char const *zInput = sqlite3_value_text(argv[1]); int bTemp = sqlite3_value_int(argv[4]); if( zInput==0 ) return; #ifndef SQLITE_OMIT_AUTHORIZATION sqlite3_xauth xAuth = db->xAuth; db->xAuth = 0; #endif if( zDb && zInput ){ |