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Overview
Comment:Add the ability to use indices when a range contraint is bounded on the lower end by NULL.
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SHA1: f73a167b434fadcbbd15e3891c4b7f4f87f6363c
User & Date: drh 2011-01-21 14:37:04
References
2011-04-08
23:05
Make sure the query planner is able to correctly analyze NULL value samples in the sqlite_stat2 table. This is a backport of changes from check-in [f73a167b434f] check-in: 1d637889 user: drh tags: branch-3.7.2
Context
2011-01-21
16:27
Make use of histogram data to make better estimates for the number of rows that will be returned from "x IN (v1,v2,v3,...)" constraints. check-in: fd3977a2 user: drh tags: stat2-enhancement
14:37
Add the ability to use indices when a range contraint is bounded on the lower end by NULL. check-in: f73a167b user: drh tags: stat2-enhancement
2011-01-20
20:36
Update ANALYZE test cases to check out the use of histograms for equality constraints. check-in: c7b59afa user: drh tags: stat2-enhancement
Changes
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Changes to src/vdbemem.c.

Changes to src/where.c.