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|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: 0733c98c32 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: 868394761e 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: 4d516240d2 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: ca09310343 user: drh tags: faster-typeof-and-length|
|02:51||Test cases for length() of a large blob in an aggregate query. check-in: d095fa4bfa 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: bc18215a8a 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: b899dbeb60 user: drh tags: faster-typeof-and-length|
|17:25||Increase the version number to 3.7.12 check-in: d95f9fb713 user: drh tags: trunk|