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2015-03-09
13:01
Fix the LIKE optimization so that it works even if there are additional range contraints on the column that is subject to the LIKE or GLOB. check-in: 984c3fd526 user: drh tags: trunk
12:11
Always use LIKE optimization range constraints in pairs. Closed-Leaf check-in: 0e02dc94fd user: drh tags: like-opt-fix
2015-03-07
20:32
Fix another problem with the LIKE optimization. check-in: 465bfc72d2 user: drh tags: like-opt-fix
13:56
Fix the LIKE optimization so that it finds BLOB entries in addition to text entries. Ticket [05f43be8fdda9f]. check-in: 74cb0b032f user: drh tags: trunk
12:58
New test cases for LIKE and GLOB with BLOB left-hand side values. Closed-Leaf check-in: 50fa3c5fae user: drh tags: like-opt-fix
03:02
Remove some code that is commented out. check-in: 55ff429177 user: drh tags: like-opt-fix
02:51
Fix problems with reverse order sorting and indexes in the LIKE optimization. check-in: 564b8fe794 user: drh tags: like-opt-fix
00:57
Refactor some jump opcodes in the VDBE. Add JumpZeroIncr and DecrJumpZero. Fix the LIKE optimization to work with DESC sort order. check-in: 26cb5145bf user: drh tags: like-opt-fix
2015-03-06
20:49
Test cases added. Comments fixed. Proposed solution for ticket [05f43be8fdda9fbd9]. check-in: 6b993bd540 user: drh tags: like-opt-fix
19:47
Fix the LIKE optimization even when comparing mixed-case BLOBs. check-in: a58aafdb4e user: drh tags: like-opt-fix
16:45
The LIKE optimization must be applied twice, once for strings and a second time for BLOBs. Ticket [05f43be8fdda9f]. This check-in is a proof-of-concept of how that might be done. check-in: 5757e803cb user: drh tags: like-opt-fix
04:37
Clearification of some documentation text. Added requirements marks. check-in: 8c1e85aab9 user: drh tags: trunk