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Overview
| Comment: | Fix the skip-ahead-distinct optimization on joins for cases there the table in the inner loop of the join does not contribute any columns to the result set. Proposed fix for ticket [ef9318757b152e3a2] |
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| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
2dcef5a9ae7f347da65207bf6bf612fb |
| User & Date: | drh 2017-11-21 23:38:48.349 |
Context
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2017-11-23
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| 00:45 | Completely disable the skip-ahead-distinct optimization for all but the inner-most loop of a DISTINCT join. Fix for ticket [ef9318757b152e3a26e9592] (check-in: b7595cf2ca user: drh tags: trunk) | |
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2017-11-21
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| 23:47 | An experimental optimization to DISTINCT that causes an immediate exit of the inner loop of a join following each output row if the inner loop does not contribute any columns to the result set. (Leaf check-in: a33f88acd7 user: drh tags: distinct-early-out) | |
| 23:38 | Fix the skip-ahead-distinct optimization on joins for cases there the table in the inner loop of the join does not contribute any columns to the result set. Proposed fix for ticket [ef9318757b152e3a2] (check-in: 2dcef5a9ae user: drh tags: trunk) | |
| 21:15 | Fix typo in the Makefiles for MSVC. (check-in: 17dd2f7314 user: mistachkin tags: trunk) | |
Changes
Changes to src/where.c.
Changes to test/distinct2.test.