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Parents and children of check-in [7473c4df]
|18:20||Merge changes to the query planner that strive to ensure that any index usage that is a proper subset of some other index usage always has a slightly higher cost. check-in: 683dd379 user: drh tags: trunk|
|20:05||Remove an unnecessary conditional. Closed-Leaf check-in: 7473c4df user: drh tags: query-plan-experiments|
|19:49||Also make sure an index that is a proper subset of some other index has a higher cost than that other index. Add test cases. check-in: b7830d23 user: drh tags: query-plan-experiments|