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Overview
| Comment: | Not a fault after all, rather a testing mistake. Move this change back to trunk. Was: Avoid an unnecessary OP_Move operation for expression subqueries. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
2a74129a21f9745f1363f844807e2d10 |
| User & Date: | drh 2014-08-29 14:20:46 |
| Original Comment: | Note a fault after all, rather a testing mistake. Move this change back to trunk. Was: Avoid an unnecessary OP_Move operation for expression subqueries. |
References
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2016-01-13
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| 15:00 | • New ticket [cb3aa064] Incorrect result from a subquery containing over-constrainted ORDER BY. artifact: ac020a73 user: drh | |
Context
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2016-01-13
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| 17:50 | When the block sorting optimization is used in a scalar subquery, be sure to exit the loop as soon as the first valid output row is received. Fix for ticket [cb3aa0641d9a4]. check-in: cdbb0947 user: drh tags: trunk | |
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2014-08-30
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| 15:49 | In the command-line shell, added options --lookaside, --pagecache, and --scratch used to configure auxiliary memories. check-in: f61db04b user: drh tags: trunk | |
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2014-08-29
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| 14:40 | Merge recent performance enhancements from trunk onto the threads branch. check-in: 35c44a3c user: drh tags: threads | |
| 14:20 | Not a fault after all, rather a testing mistake. Move this change back to trunk. Was: Avoid an unnecessary OP_Move operation for expression subqueries. check-in: 2a74129a user: drh tags: trunk | |
| 12:29 | Contains a fault. Was: Avoid an unnecessary OP_Move operation for expression subqueries. Closed-Leaf check-in: 462f42af user: drh tags: mistake | |
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2014-08-28
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| 19:38 | Improved WHERETRACE messages for the estimated output row reductions from range scans. check-in: fdd478bb user: drh tags: trunk | |
Changes
Changes to src/expr.c.
Changes to src/select.c.