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Overview
| Comment: | Make sure nOverflow is always cleared when a page is released. (CVS 6059) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 8d0f724477422db05ed46e58ce40a720 |
| User & Date: | drh 2008-12-23 15:58:06 |
Context
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2008-12-23
| ||
| 16:23 | Fix an OOM problem in where.c. (CVS 6060) check-in: d2105f61 user: drh tags: trunk | |
| 15:58 | Make sure nOverflow is always cleared when a page is released. (CVS 6059) check-in: 8d0f7244 user: drh tags: trunk | |
| 13:35 | Multi-index OR-clause optimization now works for simple tests. There are no test scripts for it yet, though. And it is disabled by default, pending further testing and optimization. We need a lot of both. (CVS 6058) check-in: d77a7023 user: drh tags: trunk | |
Changes
Changes to src/btree.c.
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 .... 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 .... 5748 5749 5750 5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761 |
** 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. ** ************************************************************************* ** $Id: btree.c,v 1.551 2008/12/23 10:37:47 danielk1977 Exp $ ** ** This file implements a external (disk-based) database using BTrees. ** See the header comment on "btreeInt.h" for additional information. ** Including a description of file format and an overview of operation. */ #include "btreeInt.h" ................................................................................ /* ** Release a MemPage. This should be called once for each prior ** call to sqlite3BtreeGetPage. */ static void releasePage(MemPage *pPage){ if( pPage ){ assert( pPage->aData ); assert( pPage->pBt ); assert( sqlite3PagerGetExtra(pPage->pDbPage) == (void*)pPage ); assert( sqlite3PagerGetData(pPage->pDbPage)==pPage->aData ); assert( sqlite3_mutex_held(pPage->pBt->mutex) ); sqlite3PagerUnref(pPage->pDbPage); } ................................................................................ TRACE(("BALANCE: copy root %d into %d\n", pPage->pgno, pChild->pgno)); if( ISAUTOVACUUM ){ rc = ptrmapPut(pBt, pChild->pgno, PTRMAP_BTREE, pPage->pgno); #ifndef SQLITE_OMIT_AUTOVACUUM if( rc==SQLITE_OK ){ rc = setChildPtrmaps(pChild); } #endif } } if( rc==SQLITE_OK ){ pCur->iPage++; pCur->apPage[1] = pChild; |
| > > > > |
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 .... 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 .... 5749 5750 5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761 5762 5763 5764 5765 |
** 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. ** ************************************************************************* ** $Id: btree.c,v 1.552 2008/12/23 15:58:06 drh Exp $ ** ** This file implements a external (disk-based) database using BTrees. ** See the header comment on "btreeInt.h" for additional information. ** Including a description of file format and an overview of operation. */ #include "btreeInt.h" ................................................................................ /* ** Release a MemPage. This should be called once for each prior ** call to sqlite3BtreeGetPage. */ static void releasePage(MemPage *pPage){ if( pPage ){ assert( pPage->nOverflow==0 || sqlite3PagerPageRefcount(pPage->pDbPage)>1 ); assert( pPage->aData ); assert( pPage->pBt ); assert( sqlite3PagerGetExtra(pPage->pDbPage) == (void*)pPage ); assert( sqlite3PagerGetData(pPage->pDbPage)==pPage->aData ); assert( sqlite3_mutex_held(pPage->pBt->mutex) ); sqlite3PagerUnref(pPage->pDbPage); } ................................................................................ TRACE(("BALANCE: copy root %d into %d\n", pPage->pgno, pChild->pgno)); if( ISAUTOVACUUM ){ rc = ptrmapPut(pBt, pChild->pgno, PTRMAP_BTREE, pPage->pgno); #ifndef SQLITE_OMIT_AUTOVACUUM if( rc==SQLITE_OK ){ rc = setChildPtrmaps(pChild); } if( rc ){ pChild->nOverflow = 0; } #endif } } if( rc==SQLITE_OK ){ pCur->iPage++; pCur->apPage[1] = pChild; |