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Parents and children of check-in [98b63371]
|00:44||Query planner enhancements to be more agressive about optimizing out ORDER BY clauses - in particular the query planner now has the ability to omit ORDER BY clauses that span multiple tables in a join. check-in: 1e874629 user: drh tags: trunk|
|23:27||Fix some corner case behavior in the new ORDER BY optimization logic. Remove the SQLITE_OrderByIdx bit from the SQLITE_TESTCTRL_OPTIMIZATIONS mask, since enabling it caused many TH3 tests to fail when the NO_OPT configuration parameter was engaged, and since there really isn't any need to turn that optimization off. The SQLITE_OrderByIdxJoin bit remains. Closed-Leaf check-in: 98b63371 user: drh tags: qp-enhancements|
|19:53||More test cases an bug fixes for the ORDER BY optimization of joins. All veryquick tests now pass. check-in: 0d573320 user: drh tags: qp-enhancements|