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Overview
| Comment: | Query planner heuristic update: When doing a full table scan on a table that has an equality constraint on an unindexed column, do not allow the estimated number of output rows to be greater than half the total number of rows in the table. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
73954f93c4c6f880c6e01d0d130e3fed |
| User & Date: | drh 2014-09-06 01:35:57 |
Context
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2014-09-06
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| 02:00 | Fix a couple of typos in comments. No changes to code. (check-in: a758465e user: mistachkin tags: trunk) | |
| 01:35 | Query planner heuristic update: When doing a full table scan on a table that has an equality constraint on an unindexed column, do not allow the estimated number of output rows to be greater than half the total number of rows in the table. (check-in: 73954f93 user: drh tags: trunk) | |
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2014-09-05
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| 05:58 | Fix harmless compiler warning. (check-in: 73311906 user: mistachkin tags: trunk) | |
Changes
Changes to src/sqliteInt.h.
Changes to src/where.c.
Changes to test/whereJ.test.