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Changes In Branch subquery-opt Excluding Merge-Ins

This is equivalent to a diff from f925389eaf to 297fae7551

2015-06-02
18:09
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 [/info/d7bb79ed3a40419d|MySQL push-down optimization]. (check-in: 6df18e949d user: drh tags: trunk)
14:02
Fix a faulty assert() in btree.c. Update the database fuzz test file with new test cases. (check-in: 4e621af134 user: drh tags: trunk)
2015-06-01
20:28
For FROM-clause subqueries that cannot be flattened, try to push WHERE clause terms of the outer query down into the subquery in order to help the subquery run faster and/or use less memory. (Closed-Leaf check-in: 297fae7551 user: drh tags: subquery-opt)
18:13
Corrections to comments in expr.c. No code changes. (check-in: f925389eaf user: drh tags: trunk)
11:10
Typo fixes and additional background information in README.md. (check-in: 9b8e5823bc user: drh tags: trunk)

Changes to src/select.c.