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Overview
| Comment: | If a call is made to sqlite3PagerAcquire when there are no outstanding references to any pages and the pager is in the error-state, try to exit the error-state at this point. Previously this was only attempted if the pager was configured to use exclusive mode. (CVS 6788) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
62db08bc0de936e4a418ae583a3bdbbf |
| User & Date: | danielk1977 2009-06-19 17:50:02 |
Context
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2009-06-19
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| 18:32 | Fix the comment on the sqlite3PExpr() subroutine. Ticket #3924. (CVS 6789) check-in: 4bb96db6 user: drh tags: trunk | |
| 17:50 | If a call is made to sqlite3PagerAcquire when there are no outstanding references to any pages and the pager is in the error-state, try to exit the error-state at this point. Previously this was only attempted if the pager was configured to use exclusive mode. (CVS 6788) check-in: 62db08bc user: danielk1977 tags: trunk | |
| 16:44 | Make sure group_concat() ignores initial NULL values. (CVS 6787) check-in: 90c3b23c user: drh tags: trunk | |
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 1.597 2009/06/19 02:25:49 drh Exp $ */ #ifndef SQLITE_OMIT_DISKIO #include "sqliteInt.h" /* ** Macros for troubleshooting. Normally turned off */ ................................................................................ int isErrorReset = 0; /* True if recovering from error state */ /* If this database is opened for exclusive access, has no outstanding ** page references and is in an error-state, this is a chance to clear ** the error. Discard the contents of the pager-cache and treat any ** open journal file as a hot-journal. */ if( !MEMDB && pPager->exclusiveMode && sqlite3PcacheRefCount(pPager->pPCache)==0 && pPager->errCode ){ if( isOpen(pPager->jfd) ){ isErrorReset = 1; } pPager->errCode = SQLITE_OK; pager_reset(pPager); |
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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 1.598 2009/06/19 17:50:02 danielk1977 Exp $ */ #ifndef SQLITE_OMIT_DISKIO #include "sqliteInt.h" /* ** Macros for troubleshooting. Normally turned off */ ................................................................................ int isErrorReset = 0; /* True if recovering from error state */ /* If this database is opened for exclusive access, has no outstanding ** page references and is in an error-state, this is a chance to clear ** the error. Discard the contents of the pager-cache and treat any ** open journal file as a hot-journal. */ if( !MEMDB && sqlite3PcacheRefCount(pPager->pPCache)==0 && pPager->errCode ){ if( isOpen(pPager->jfd) ){ isErrorReset = 1; } pPager->errCode = SQLITE_OK; pager_reset(pPager); |