This Day In History For 2020-06-27
1 Year Ago (more context)
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2019-06-27
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| 02:23 | • Fixed ticket [9cdc5c46]: Incorrect result from second execution of correlated scalar sub-query that uses a partial sort plus 6 other changes (artifact: 694cf21b user: drh) | |
2 Years Ago (more context)
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2018-06-27
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| 20:24 | Add missing VdbeCoverage() and VdbeCoverageNeverTaken() macros to window.c. (check-in: 4383cb68 user: dan tags: exp-window-functions) | |
| 19:48 | Avoid redundant ORDER BY operations when rewriting SELECT statements that contain window functions. (check-in: 336de43a user: dan tags: exp-window-functions) | |
3 Years Ago (more context)
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2017-06-27
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| 23:36 | • Fixed ticket [b9f01010]: Violation of the Query Planner Stability Guarantee plus 3 other changes (artifact: 29856781 user: drh) | |
| 23:36 | Add SQLITE_DBCONFIG_ENABLE_QPSG that forces the query planner stability guarantee. This is the fix for ticket [b9f010107724c] (check-in: b82efd2a user: drh tags: trunk) | |
| 22:33 | Improve a local variable name. (check-in: d0f6973d user: mistachkin tags: lsm-vtab) | |
| 22:27 | Initial work on porting lsmtest to Win32. (check-in: 7e669d9b user: mistachkin tags: lsm-vtab) | |
| 20:23 | Support clients within a single process only. (check-in: dfa9a4d5 user: dan tags: server-process-edition) | |
| 18:15 | Implement xFullpath for lsm1 on Win32. (check-in: dbe9c8aa user: mistachkin tags: lsm-vtab) | |
| 16:48 | Merge latest trunk changes with this branch. (check-in: 2b095406 user: dan tags: apple-osx) | |
| 16:39 | Fix a virtual table problem that can occur when the vtab is on the RHS of a LEFT JOIN and there is a MATCH constraint in the ON clause, or when the vtab is in a sub-query that is the RHS of a LEFT JOIN and there is a MATCH constraint in the WHERE clause of the sub-query. (check-in: 87b38166 user: dan tags: trunk) | |
| 06:28 | Minor corrections to the previous check-in. (check-in: e1cf8a78 user: mistachkin tags: lsm-vtab) | |
| 05:59 | Work in progress porting lsm1 to Win32. (check-in: 2017636e user: mistachkin tags: lsm-vtab) | |
5 Years Ago (more context)
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2015-06-27
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| 23:55 | Make greater use of BtCursor.curIntKey. (check-in: 63998471 user: drh tags: trunk) | |
| 22:49 | Add the BtCursor.curIntKey field and use it for a small size reduction and performance boost. (check-in: 4a17df13 user: drh tags: trunk) | |
| 20:55 | Enhancements to the previous check-in to make it a little smaller and faster. (check-in: 291d9e0c user: drh tags: trunk) | |
| 19:45 | Performance improvements in moveToChild() by shifting some work over to getAndInitPage(). Net improvement is about 800K cycles at cost of 30 bytes. (check-in: 1956a4ce user: drh tags: trunk) | |
| 15:51 | Manually inline the call from getAndInitPage() to btreeGetPage() for a savings of 2.5 million cycles at a cost of less than 100 bytes. (check-in: 7f65b96b user: drh tags: trunk) | |
| 14:59 | Add releasePageNotNull() as an alternative to releasePage() when the argument is guaranteed to be non-NULL, and use it for a small performance gain. (check-in: 9383a688 user: drh tags: trunk) | |
| 03:58 | Add the Mempage.aDataOfst field and use it in sqlite3BtreeMovetoUnpacked() for about a 2 million cycle gain. (check-in: bee94dc3 user: drh tags: trunk) | |