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Changes In Branch nonworking-flatten-left-join Excluding Merge-Ins
This is equivalent to a diff from 836fa097 to dbe522b0
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2022-07-25
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| 16:06 | Fix an error in the aggregate query LEFT JOIN flattening optimization from [2cf373b10c9bc4cb] and further enhance that optimization so that it works even if there is a GROUP BY clause. (check-in: b52393ac user: drh tags: trunk) | |
| 14:05 | TK_IF_NULL_ROW expressions must be accumulated in the same way as TK_COLUMN expressions in an aggregate query. Proposed fix for the problem identifyed by dbsqlfuzz 8e17857db2c5a9294c975123ac807156a6559f13. (check-in: 40d08807 user: drh tags: flatten-left-join) | |
| 11:19 | If the LHS of a LEFT JOIN is flattened into an aggregate parent query, avoid executing OP_IfNullRow on an unopened cursor by disallowing the index-only optimization. (Later:) Does not work if automatic indexes are disabled. (Closed-Leaf check-in: dbe522b0 user: dan tags: nonworking-flatten-left-join) | |
| 11:04 | Reduce a timeout in walsetlk.test from 2000ms to 1100ms so that the test runs a bit faster. (check-in: 836fa097 user: dan tags: trunk) | |
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2022-07-23
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| 12:51 | Simplifications to sqlite3FinishCoding() for a small size reduction and performance increase. (check-in: a995614b user: drh tags: trunk) | |
Changes to src/select.c.
Changes to src/sqliteInt.h.
Changes to src/where.c.
Changes to test/select3.test.