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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 |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
73954f93c4c6f880c6e01d0d130e3fed |
User & Date: | drh 2014-09-06 01:35:57.122 |
Context
2014-09-06
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02:00 | Fix a couple of typos in comments. No changes to code. (check-in: a758465e3c 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: 73954f93c4 user: drh tags: trunk) | |
2014-09-05
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05:58 | Fix harmless compiler warning. (check-in: 7331190677 user: mistachkin tags: trunk) | |
Changes
Changes to src/sqliteInt.h.
Changes to src/where.c.
Changes to test/whereJ.test.