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Overview
| Comment: | Change the weighting of binary searches on tables to 1/10th the cost of a search on an index. Change the assumed reduction in search space from a indexed range constraint from 1/3rd to 1/4th. Do not let the estimated number of rows drop below 1. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | stat2-enhancement |
| Files: | files | file ages | folders |
| SHA1: |
4847c6cb71423248b186ab7842b97c83 |
| User & Date: | drh 2011-01-28 01:57:41 |
Context
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2011-01-28
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| 03:13 | Reactivate the analyze5.test script. (Closed-Leaf check-in: a2a9f640 user: drh tags: stat2-enhancement) | |
| 01:57 | Change the weighting of binary searches on tables to 1/10th the cost of a search on an index. Change the assumed reduction in search space from a indexed range constraint from 1/3rd to 1/4th. Do not let the estimated number of rows drop below 1. (check-in: 4847c6cb user: drh tags: stat2-enhancement) | |
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2011-01-24
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| 17:46 | Restructuring and generalizing analyze5.test. The whole script is currently disabled and will need to be reenabled prior to merging with trunk. (check-in: 31fcc706 user: drh tags: stat2-enhancement) | |
Changes
Changes to src/where.c.
Changes to test/analyze2.test.
Changes to test/analyze3.test.
Changes to test/e_createtable.test.
Changes to test/eqp.test.
Changes to test/indexedby.test.
Changes to test/like.test.
Changes to test/minmax3.test.
Changes to test/where3.test.
Changes to test/where9.test.