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2012-03-28
16:22
Avoid loading overflow pages just to satisfy typeof() or length() functions if the correct result can be computed without the extra page fetches. check-in: 0733c98c user: drh tags: trunk
16:14
Minor changes to the core of OP_Column for performance and to clarify the critical path. Closed-Leaf check-in: 86839476 user: drh tags: faster-typeof-and-length
15:44
This change turned out to the code slower. Side track it. Was: Tweaks to the OP_Column opcode for clarity of presentation. Closed-Leaf check-in: 4d516240 user: drh tags: mistake
13:41
Improvements to comments. Minor changes to code in the hot path of OP_Column - with the hope of get a few cycles of performance improvement. check-in: ca093103 user: drh tags: faster-typeof-and-length
02:51
Test cases for length() of a large blob in an aggregate query. check-in: d095fa4b user: drh tags: faster-typeof-and-length
02:43
Fix the typeof() and length() optimization so that it works for aggregates as well as scalar queries. check-in: bc18215a user: drh tags: faster-typeof-and-length
01:34
Evaluate typeof(X) and length(Y) where X is any column and Y is a blob column without actually loading X and Y from disk. check-in: b899dbeb user: drh tags: faster-typeof-and-length
2012-03-25
17:25
Increase the version number to 3.7.12 check-in: d95f9fb7 user: drh tags: trunk