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Overview
| Comment: | Add a comment to the openSubjournal() function in pager.c. (CVS 6130) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
04387ae10ab3be24c93497f4af6f48d6 |
| User & Date: | danielk1977 2009-01-07 10:52:56 |
Context
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2009-01-07
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| 15:18 | Fix for 'truncate file' operations on in-memory databases. (CVS 6131) check-in: 83d1eafb user: danielk1977 tags: trunk | |
| 10:52 | Add a comment to the openSubjournal() function in pager.c. (CVS 6130) check-in: 04387ae1 user: danielk1977 tags: trunk | |
| 10:35 | Fix a problem with reverting a 'DROP TABLE' command executed inside of a savepoint on an auto-vacuum database. (CVS 6129) check-in: 3a4bb832 user: danielk1977 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 1.536 2009/01/07 10:35:19 danielk1977 Exp $ */ #ifndef SQLITE_OMIT_DISKIO #include "sqliteInt.h" /* ** Macros for troubleshooting. Normally turned off */ ................................................................................ Pager *pPager = pPg->pPager; sqlite3PcacheRelease(pPg); pagerUnlockIfUnused(pPager); } return SQLITE_OK; } static int openSubJournal(Pager *pPager){ int rc = SQLITE_OK; if( pPager->journalOpen && !pPager->sjfd->pMethods ){ if( pPager->journalMode==PAGER_JOURNALMODE_MEMORY ){ sqlite3MemJournalOpen(pPager->sjfd); }else{ rc = sqlite3PagerOpentemp(pPager, pPager->sjfd, SQLITE_OPEN_SUBJOURNAL); |
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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 1.537 2009/01/07 10:52:56 danielk1977 Exp $ */ #ifndef SQLITE_OMIT_DISKIO #include "sqliteInt.h" /* ** Macros for troubleshooting. Normally turned off */ ................................................................................ Pager *pPager = pPg->pPager; sqlite3PcacheRelease(pPg); pagerUnlockIfUnused(pPager); } return SQLITE_OK; } /* ** If the main journal file has already been opened, ensure that the ** sub-journal file is open too. If the main journal is not open, ** this function is a no-op. ** ** SQLITE_OK is returned if everything goes according to plan. An ** SQLITE_IOERR_XXX error code is returned if the call to ** sqlite3OsOpen() fails. */ static int openSubJournal(Pager *pPager){ int rc = SQLITE_OK; if( pPager->journalOpen && !pPager->sjfd->pMethods ){ if( pPager->journalMode==PAGER_JOURNALMODE_MEMORY ){ sqlite3MemJournalOpen(pPager->sjfd); }else{ rc = sqlite3PagerOpentemp(pPager, pPager->sjfd, SQLITE_OPEN_SUBJOURNAL); |