/ Check-in [4226e51f]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Augment the WhereBestIdx structure to pass down into the query planner information that might be used to better detect ORDER BY and DISTINCT optimizations spanning multiple tables of a join.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | qp-enhancements
Files: files | file ages | folders
SHA1: 4226e51ff837f0ffe16355491a655d919d13488e
User & Date: drh 2012-09-25 20:43:35
Context
2012-09-26
23:17
Further refactoring of the ORDER BY related query-planning logic in order to make it easier to extend to support optimizing out ORDER BY on joins. No actual behavior changes, yet. check-in: 96496dda user: drh tags: qp-enhancements
2012-09-25
20:43
Augment the WhereBestIdx structure to pass down into the query planner information that might be used to better detect ORDER BY and DISTINCT optimizations spanning multiple tables of a join. check-in: 4226e51f user: drh tags: qp-enhancements
14:29
Pass information around between the major routines of the query planner using a single pointer to a structure rather than a long list of parameters. check-in: 1104d42e user: drh tags: qp-enhancements
Changes
Unified Diffs Side-by-Side Diffs Patch

Changes to src/where.c.