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Parents and children of check-in [aab53a21]
|18:40||Query planner improvements: Take the LIMIT into account when estimated the cost of an ORDER BY. Avoid automatic indexes on query loops that are expected to run less than twice. See [9e2b2681] for a later enhancement. check-in: bf46179d user: drh tags: trunk|
|18:22||Improvement on the previous check-in: disallow automatic indexes for any loop that is expected to run less than twice. Closed-Leaf check-in: aab53a21 user: drh tags: planner-improvements|
|18:03||Do not use an automatic index on an outer loop that only runs once. check-in: 5957e793 user: drh tags: planner-improvements|