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Overview
| Comment: | With SQLITE_ENABLE_BLOCK_ATOMIC_WRITE enabled, if a transaction is committing and there is a new freelist page at the end of the database file which would cause the database file size to grow, ensure that page is written and the file size grows before the block-atomic-write commits. Fix for the problem identified by forum post 3bd8d497b2 |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
c9fdd6805df04f05ef347e5a43506fd3 |
| User & Date: | drh 2023-10-30 12:09:48 |
Context
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2023-10-30
| ||
| 16:38 | Predicate Windows CLI UTF-8 console I/O on a runtime capability check rather than an OS version check. (check-in: 0058ea6a user: larrybr tags: trunk) | |
| 12:09 | With SQLITE_ENABLE_BLOCK_ATOMIC_WRITE enabled, if a transaction is committing and there is a new freelist page at the end of the database file which would cause the database file size to grow, ensure that page is written and the file size grows before the block-atomic-write commits. Fix for the problem identified by forum post 3bd8d497b2 (check-in: c9fdd680 user: drh tags: trunk) | |
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2023-10-29
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| 20:05 | For Windows CLI, institute a version check to determine default MBCS or UTF-8 translation on console I/O. (Default to UTF-8 where known possible.) (check-in: ddc6ead6 user: larrybr tags: trunk) | |
Changes
Changes to src/pager.c.
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6584 6585 6586 6587 6588 6589 6590 6591 6592 6593 6594 6595 6596 6597 |
pList = sqlite3PcacheDirtyList(pPager->pPCache);
#ifdef SQLITE_ENABLE_BATCH_ATOMIC_WRITE
if( bBatch ){
rc = sqlite3OsFileControl(fd, SQLITE_FCNTL_BEGIN_ATOMIC_WRITE, 0);
if( rc==SQLITE_OK ){
rc = pager_write_pagelist(pPager, pList);
if( rc==SQLITE_OK ){
rc = sqlite3OsFileControl(fd, SQLITE_FCNTL_COMMIT_ATOMIC_WRITE, 0);
}
if( rc!=SQLITE_OK ){
sqlite3OsFileControlHint(fd, SQLITE_FCNTL_ROLLBACK_ATOMIC_WRITE, 0);
}
}
| > > > > > > > | 6584 6585 6586 6587 6588 6589 6590 6591 6592 6593 6594 6595 6596 6597 6598 6599 6600 6601 6602 6603 6604 |
pList = sqlite3PcacheDirtyList(pPager->pPCache);
#ifdef SQLITE_ENABLE_BATCH_ATOMIC_WRITE
if( bBatch ){
rc = sqlite3OsFileControl(fd, SQLITE_FCNTL_BEGIN_ATOMIC_WRITE, 0);
if( rc==SQLITE_OK ){
rc = pager_write_pagelist(pPager, pList);
if( rc==SQLITE_OK && pPager->dbSize>pPager->dbFileSize ){
char *pTmp = pPager->pTmpSpace;
int szPage = (int)pPager->pageSize;
memset(pTmp, 0, szPage);
rc = sqlite3OsWrite(pPager->fd, pTmp, szPage,
(pPager->dbSize*pPager->pageSize)-szPage);
}
if( rc==SQLITE_OK ){
rc = sqlite3OsFileControl(fd, SQLITE_FCNTL_COMMIT_ATOMIC_WRITE, 0);
}
if( rc!=SQLITE_OK ){
sqlite3OsFileControlHint(fd, SQLITE_FCNTL_ROLLBACK_ATOMIC_WRITE, 0);
}
}
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