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2016-05-20
14:11
For queries with both ORDER BY and LIMIT, if the rows of the inner loop are emitted in ORDER BY order and the LIMIT has been reached, then optimize by exiting the inner loop and continuing with the next cycle of the first outer loop. check-in: 559733b09e user: drh tags: trunk
13:44
Set the NULLEQ flag on the sequence counter comparison in the ORDER BY LIMIT optimization, to avoid coverage complaints about not testing the NULL case. Closed-Leaf check-in: ed1b30dc93 user: drh tags: orderby-limit
00:21
A few simple test cases for the ORDER BY LIMIT optimization. check-in: 08849eab0f user: drh tags: orderby-limit
2016-05-19
22:40
Appears to work now. Needs test cases, more comments, and code optimization. check-in: 990fe50c91 user: drh tags: orderby-limit
22:13
In a query with both ORDER BY and LIMIT, if the inner loop satisfies the ORDER BY then try to cut short each invocation of the inner loop once the LIMIT has been satisfied. This check-in is a partial implementation only. check-in: 852d1eda6e user: drh tags: orderby-limit
19:31
Fixup comments on wctrlFlags value definitions. check-in: 58b516e8c0 user: drh tags: trunk