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Overview
| Comment: | If an error occurs while writing frames to the log to commit a transaction, do not mark the pages as clean in the cache. Otherwise, the subsequent rollback does not roll them back (leaving the client to continue with a cache that makes it appear that the transaction was committed - inconsistent with the database on disk). |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
cb571c1b71a37b3a10d640987c77a6ee |
| User & Date: | dan 2010-06-02 17:15:25 |
Context
|
2010-06-02
| ||
| 18:59 | Fix a problem with rolling back to a savepoint opened before the writer decided to wrap the log file. check-in: 6b4aed6a user: dan tags: trunk | |
| 17:15 | If an error occurs while writing frames to the log to commit a transaction, do not mark the pages as clean in the cache. Otherwise, the subsequent rollback does not roll them back (leaving the client to continue with a cache that makes it appear that the transaction was committed - inconsistent with the database on disk). check-in: cb571c1b user: dan tags: trunk | |
| 16:40 | Added implementation of vfslog_time() for Windows testing. check-in: b3109f85 user: shaneh tags: trunk | |
Changes
Changes to src/pager.c.
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if( pagerUseWal(pPager) ){
PgHdr *pList = sqlite3PcacheDirtyList(pPager->pPCache);
if( pList ){
rc = pagerWalFrames(pPager, pList, pPager->dbSize, 1,
(pPager->fullSync ? pPager->sync_flags : 0)
);
}
sqlite3PcacheCleanAll(pPager->pPCache);
}else{
/* The following block updates the change-counter. Exactly how it
** does this depends on whether or not the atomic-update optimization
** was enabled at compile time, and if this transaction meets the
** runtime criteria to use the operation:
**
** * The file-system supports the atomic-write property for
|
> | > |
5078 5079 5080 5081 5082 5083 5084 5085 5086 5087 5088 5089 5090 5091 5092 5093 5094 |
if( pagerUseWal(pPager) ){
PgHdr *pList = sqlite3PcacheDirtyList(pPager->pPCache);
if( pList ){
rc = pagerWalFrames(pPager, pList, pPager->dbSize, 1,
(pPager->fullSync ? pPager->sync_flags : 0)
);
}
if( rc==SQLITE_OK ){
sqlite3PcacheCleanAll(pPager->pPCache);
}
}else{
/* The following block updates the change-counter. Exactly how it
** does this depends on whether or not the atomic-update optimization
** was enabled at compile time, and if this transaction meets the
** runtime criteria to use the operation:
**
** * The file-system supports the atomic-write property for
|