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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 cherrypick of [3e922208b68563489]. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | branch-3.8.7 |
| Files: | files | file ages | folders |
| SHA1: |
a8f9bd1e890434fcffa02fcd2baf8b0f |
| User & Date: | drh 2014-10-29 01:07:21 |
Context
|
2014-10-29
| ||
| 01:13 | In the OP_Column opcode, when extracting a field that is past the end of a short record (because the row was originally inserted prior to ALTER TABLE ADD COLUMN) then make sure the output register is fully NULL and does not contain leftover flags (such as MEM_Ephem) from its previous use. Fix for ticket [43107840f1c02]. This is a cherrypick of check-in [24780f8ddc1683fc]. (check-in: 304ea6ba user: drh tags: branch-3.8.7) | |
| 01:07 | 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 cherrypick of [3e922208b68563489]. (check-in: a8f9bd1e user: drh tags: branch-3.8.7) | |
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2014-10-21
| ||
| 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) | |
|
2014-10-17
| ||
| 11:24 | Version 3.8.7 (check-in: e4ab094f user: drh tags: trunk, release, version-3.8.7) | |
Changes
Changes to src/pager.c.
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assert( pPager->journalMode==PAGER_JOURNALMODE_MEMORY );
sqlite3OsClose(pPager->jfd);
}else if( pPager->journalMode==PAGER_JOURNALMODE_TRUNCATE ){
if( pPager->journalOff==0 ){
rc = SQLITE_OK;
}else{
rc = sqlite3OsTruncate(pPager->jfd, 0);
}
pPager->journalOff = 0;
}else if( pPager->journalMode==PAGER_JOURNALMODE_PERSIST
|| (pPager->exclusiveMode && pPager->journalMode!=PAGER_JOURNALMODE_WAL)
){
rc = zeroJournalHdr(pPager, hasMaster);
pPager->journalOff = 0;
|
> > > > > > > > |
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assert( pPager->journalMode==PAGER_JOURNALMODE_MEMORY );
sqlite3OsClose(pPager->jfd);
}else if( pPager->journalMode==PAGER_JOURNALMODE_TRUNCATE ){
if( pPager->journalOff==0 ){
rc = SQLITE_OK;
}else{
rc = sqlite3OsTruncate(pPager->jfd, 0);
if( rc==SQLITE_OK && pPager->fullSync ){
/* Make sure the new file size is written into the inode right away.
** Otherwise the journal might resurrect following a power loss and
** cause the last transaction to roll back. See
** https://bugzilla.mozilla.org/show_bug.cgi?id=1072773
*/
rc = sqlite3OsSync(pPager->jfd, pPager->syncFlags);
}
}
pPager->journalOff = 0;
}else if( pPager->journalMode==PAGER_JOURNALMODE_PERSIST
|| (pPager->exclusiveMode && pPager->journalMode!=PAGER_JOURNALMODE_WAL)
){
rc = zeroJournalHdr(pPager, hasMaster);
pPager->journalOff = 0;
|