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Overview
Comment: | Improved testability. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | wal-overwrite-frames |
Files: | files | file ages | folders |
SHA1: |
e83d3a2a4e06665e8a056f63063bd6df |
User & Date: | drh 2016-01-11 00:52:32.218 |
Context
2016-01-11
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08:12 | Add a test case to waloverwrite.test to check that savepoint rollback does not cause a problem. (Closed-Leaf check-in: 87dae56c32 user: dan tags: wal-overwrite-frames) | |
00:52 | Improved testability. (check-in: e83d3a2a4e user: drh tags: wal-overwrite-frames) | |
2016-01-09
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23:55 | All WAL frame overwrites even if there are active savepoints. This is safe because a ROLLBACK TO will cause all reverted pages to be rewritten to the WAL file prior to COMMIT. (check-in: 99b31a6b49 user: drh tags: wal-overwrite-frames) | |
Changes
Changes to src/wal.c.
︙ | |||
3052 3053 3054 3055 3056 3057 3058 | 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 | - - + + | /* Check if this page has already been written into the wal file by ** the current transaction. If so, overwrite the existing frame and ** set Wal.writeLock to WAL_WRITELOCK_RECKSUM - indicating that ** checksums must be recomputed when the transaction is committed. */ if( iFirst && (p->pDirty || isCommit==0) ){ u32 iWrite = 0; |
︙ |