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Overview
Comment:Use histogram data to improve the row-count estimates on equality constraints.
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SHA1: 6bfc5c69eb22938972bbf4e60179952dc215f770
User & Date: drh 2011-01-20 16:52:09
Context
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
16:52
Use histogram data to improve the row-count estimates on equality constraints. check-in: 6bfc5c69 user: drh tags: stat2-enhancement
02:56
The first of a planned series of enhancements to the query planner that enable it to make better use of sqlite_stat2 histograms when the table has many repeated values. check-in: 2cd374cd user: drh tags: stat2-enhancement
Changes
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Changes to src/where.c.

Changes to test/analyze5.test.