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|Comment:||Add the ability to use indices when a range contraint is bounded on the lower end by NULL.|
|Downloads:||Tarball | ZIP archive | SQL archive|
|Timelines:||family | ancestors | descendants | both | stat2-enhancement|
|Files:||files | file ages | folders|
|User & Date:||drh 2011-01-21 14:37:04|
|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)|
|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)|
|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 to src/vdbemem.c.
Changes to src/where.c.