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Parents and children of check-in [9c2e7612]
|21:35||More efficient removal of duplicates in recursive queries using the UNION compound operator. check-in: 06c2db87 user: drh tags: trunk|
|19:05||Only run the OP_OpenRead opcodes for a correlated subquery once, on the initial iteration. Keep the cursor open for subsequent runs. This was suppose to be a performance enhancement, but it is difficult to come up with a query where is makes a significant difference. Hence, the change is getting parked in a branch. Leaf check-in: 3ad687b7 user: drh tags: open-only-once|
|13:53||In the command-line shell for CSV import, if the lines are \r\n terminated and the last field is blank, make sure an empty string and not a "\r" string is imported. check-in: 9c2e7612 user: drh tags: trunk|
|02:26||Improved handling of constants and especially constant functions in the ORDER BY clause of a query. Do not optimize out "ORDER BY random()". Fix for ticket [65bdeb9739605cc2296]. check-in: dca1945a user: drh tags: trunk|