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Overview
| Comment: | Fix a segfault that followed a malloc failure introduced by (6527). (CVS 6532) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 08e71b114087cfddd36c066265982172fcb41c9a |
| User & Date: | danielk1977 2009-04-21 17:23:05 |
Context
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2009-04-21
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| 18:20 | Move RowHashBlock.nUsed to RowHash.nUsed. Fix a typo in a comment in test_async.c. (CVS 6533) check-in: 799d31d9 user: danielk1977 tags: trunk | |
| 17:23 | Fix a segfault that followed a malloc failure introduced by (6527). (CVS 6532) check-in: 08e71b11 user: danielk1977 tags: trunk | |
| 17:13 | Adjust the rowhash.test module so that it recovers gracefully in the rare event of a rowid collision. (CVS 6531) check-in: 72e16809 user: drh tags: trunk | |
Changes
Changes to src/where.c.
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** This module contains C code that generates VDBE code used to process ** the WHERE clause of SQL statements. This module is responsible for ** generating the code that loops through a table looking for applicable ** rows. Indices are selected and used to speed the search when doing ** so is applicable. Because this module is responsible for selecting ** indices, you might also think of this module as the "query optimizer". ** ** $Id: where.c,v 1.383 2009/04/21 09:02:47 danielk1977 Exp $ */ #include "sqliteInt.h" /* ** Trace output macros */ #if defined(SQLITE_TEST) || defined(SQLITE_DEBUG) ................................................................................ /* If the sqlite3_index_info structure has not been previously ** allocated and initialized, then allocate and initialize it now. */ pIdxInfo = *ppIdxInfo; if( pIdxInfo==0 ){ *ppIdxInfo = pIdxInfo = allocateIndexInfo(pParse, pWC, pSrc, pOrderBy); } /* At this point, the sqlite3_index_info structure that pIdxInfo points ** to will have been initialized, either during the current invocation or ** during some prior invocation. Now we just have to customize the ** details of pIdxInfo for the current invocation and pass it to ** xBestIndex. |
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** This module contains C code that generates VDBE code used to process ** the WHERE clause of SQL statements. This module is responsible for ** generating the code that loops through a table looking for applicable ** rows. Indices are selected and used to speed the search when doing ** so is applicable. Because this module is responsible for selecting ** indices, you might also think of this module as the "query optimizer". ** ** $Id: where.c,v 1.384 2009/04/21 17:23:05 danielk1977 Exp $ */ #include "sqliteInt.h" /* ** Trace output macros */ #if defined(SQLITE_TEST) || defined(SQLITE_DEBUG) ................................................................................ /* If the sqlite3_index_info structure has not been previously ** allocated and initialized, then allocate and initialize it now. */ pIdxInfo = *ppIdxInfo; if( pIdxInfo==0 ){ *ppIdxInfo = pIdxInfo = allocateIndexInfo(pParse, pWC, pSrc, pOrderBy); } if( pIdxInfo==0 ){ return; } /* At this point, the sqlite3_index_info structure that pIdxInfo points ** to will have been initialized, either during the current invocation or ** during some prior invocation. Now we just have to customize the ** details of pIdxInfo for the current invocation and pass it to ** xBestIndex. |