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Overview
| Comment: | Backport the fix for ticket #1567 to version 2.8. (CVS 2832) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | version_2 |
| Files: | files | file ages | folders |
| SHA1: | 3f5f358f826be8f9ad2b723a58f4a8a0 |
| User & Date: | drh 2005-12-19 17:37:10 |
Context
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2005-12-19
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| 17:38 | Bump the version number of the 2.8 branch to 2.8.17. (CVS 2833) check-in: 94dfb4bd user: drh tags: version_2 | |
| 17:37 | Backport the fix for ticket #1567 to version 2.8. (CVS 2832) check-in: 3f5f358f user: drh tags: version_2 | |
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2005-06-06
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| 15:07 | Handle failures of getcwd() without segfaulting. Ticket #1274. (CVS 2491) check-in: c1bd0a15 user: drh tags: version_2 | |
Changes
Changes to src/pager.c.
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** The pager is used to access a database disk file. It implements ** atomic commit and rollback through the use of a journal file that ** is separate from the database file. The pager also implements file ** locking to prevent two processes from writing the same database ** file simultaneously, or one process from reading the database while ** another is writing. ** ** @(#) $Id: pager.c,v 1.101 2004/02/25 02:20:41 drh Exp $ */ #include "os.h" /* Must be first to enable large file support */ #include "sqliteInt.h" #include "pager.h" #include <assert.h> #include <string.h> ................................................................................ ** of the dont_rollback() call. */ void sqlitepager_dont_write(Pager *pPager, Pgno pgno){ PgHdr *pPg; pPg = pager_lookup(pPager, pgno); pPg->alwaysRollback = 1; if( pPg && pPg->dirty ){ if( pPager->dbSize==(int)pPg->pgno && pPager->origDbSize<pPager->dbSize ){ /* If this pages is the last page in the file and the file has grown ** during the current transaction, then do NOT mark the page as clean. ** When the database file grows, we must make sure that the last page ** gets written at least once so that the disk file will be the correct ** size. If you do not write this page and the size of the file ** on the disk ends up being too small, that can lead to database |
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** The pager is used to access a database disk file. It implements ** atomic commit and rollback through the use of a journal file that ** is separate from the database file. The pager also implements file ** locking to prevent two processes from writing the same database ** file simultaneously, or one process from reading the database while ** another is writing. ** ** @(#) $Id: pager.c,v 1.101.2.1 2005/12/19 17:37:10 drh Exp $ */ #include "os.h" /* Must be first to enable large file support */ #include "sqliteInt.h" #include "pager.h" #include <assert.h> #include <string.h> ................................................................................ ** of the dont_rollback() call. */ void sqlitepager_dont_write(Pager *pPager, Pgno pgno){ PgHdr *pPg; pPg = pager_lookup(pPager, pgno); pPg->alwaysRollback = 1; if( pPg && pPg->dirty && !pPager->ckptInUse ){ if( pPager->dbSize==(int)pPg->pgno && pPager->origDbSize<pPager->dbSize ){ /* If this pages is the last page in the file and the file has grown ** during the current transaction, then do NOT mark the page as clean. ** When the database file grows, we must make sure that the last page ** gets written at least once so that the disk file will be the correct ** size. If you do not write this page and the size of the file ** on the disk ends up being too small, that can lead to database |