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Overview
| Comment: | Call fsync() right after ftruncate() when in journal_mode=TRUNCATE and when synchronous=FULL in order to ensure that transactions are durable across a power loss that happens moments after the commit. Proposed fix for https://bugzilla.mozilla.org/show_bug.cgi?id=1072773. This is a cherry-pick of [3e922208b68563] |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | branch-3.8.6 |
| Files: | files | file ages | folders |
| SHA1: |
674848070ec296874f555aaaea511987 |
| User & Date: | drh 2014-10-22 02:43:14 |
Context
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2014-10-22
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| 03:00 | Update the version number to 3.8.6.1 check-in: cad7f8d6 user: drh tags: branch-3.8.6 | |
| 02:43 | Call fsync() right after ftruncate() when in journal_mode=TRUNCATE and when synchronous=FULL in order to ensure that transactions are durable across a power loss that happens moments after the commit. Proposed fix for https://bugzilla.mozilla.org/show_bug.cgi?id=1072773. This is a cherry-pick of [3e922208b68563] check-in: 67484807 user: drh tags: branch-3.8.6 | |
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2014-10-21
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| 21:56 | Call fsync() right after ftruncate() when in journal_mode=TRUNCATE and when synchronous=FULL in order to ensure that transactions are durable across a power loss that happens moments after the commit. Proposed fix for https://bugzilla.mozilla.org/show_bug.cgi?id=1072773. check-in: 3e922208 user: drh tags: trunk | |
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2014-08-15
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| 11:46 | Version 3.8.6 check-in: 9491ba7d user: drh tags: trunk, release, version-3.8.6 | |
Changes
Changes to src/pager.c.
1952 1952 assert( pPager->journalMode==PAGER_JOURNALMODE_MEMORY ); 1953 1953 sqlite3OsClose(pPager->jfd); 1954 1954 }else if( pPager->journalMode==PAGER_JOURNALMODE_TRUNCATE ){ 1955 1955 if( pPager->journalOff==0 ){ 1956 1956 rc = SQLITE_OK; 1957 1957 }else{ 1958 1958 rc = sqlite3OsTruncate(pPager->jfd, 0); 1959 + if( rc==SQLITE_OK && pPager->fullSync ){ 1960 + /* Make sure the new file size is written into the inode right away. 1961 + ** Otherwise the journal might resurrect following a power loss and 1962 + ** cause the last transaction to roll back. See 1963 + ** https://bugzilla.mozilla.org/show_bug.cgi?id=1072773 1964 + */ 1965 + rc = sqlite3OsSync(pPager->jfd, pPager->syncFlags); 1966 + } 1959 1967 } 1960 1968 pPager->journalOff = 0; 1961 1969 }else if( pPager->journalMode==PAGER_JOURNALMODE_PERSIST 1962 1970 || (pPager->exclusiveMode && pPager->journalMode!=PAGER_JOURNALMODE_WAL) 1963 1971 ){ 1964 1972 rc = zeroJournalHdr(pPager, hasMaster); 1965 1973 pPager->journalOff = 0;