Artifact 498342ba48543a13804a49f9620c6eba419a1159:
- File src/select.c — part of check-in [6df18e94] at 2015-06-02 18:09:18 on branch trunk — For FROM-clause subqueries that cannot be flattened, try to push relevant WHERE clause terms of the outer query down into the subquery in order to help the subquery run faster and/or use less memory. Call this the "WHERE-clause push-down optimization". Do not confuse this with the completely different MySQL push-down optimization. (user: drh size: 205913) [more...]
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