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Difference From e4d1970ef17b2330 To 310dac342e7b1f9b
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2021-02-27
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| 15:12 | Remove a NEVER() that might sometimes be tree following an OOM. (check-in: ccb8cf5256 user: drh tags: trunk) | |
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2021-02-26
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| 21:39 | Fix a segfault that could occur when optimizing a NOT NULL constraint against an IPK column of a sub-query. (check-in: e4d1970ef1 user: dan tags: trunk) | |
| 20:39 | Attempt to optimize "x IS NULL" and "x IS NOT NULL" expressions when x is a column with a NOT NULL constraint. This addresses the performance issue described by forum post a5fc33cf9d8f4ff5. (check-in: de9c86c9e4 user: dan tags: trunk) | |
| 20:14 | Attempt to optimize "x IS NULL" and "x IS NOT NULL" expressions when x is a column with a NOT NULL constraint. (Closed-Leaf check-in: 5ecd842555 user: dan tags: ifnull-opt) | |
| 15:20 | Minor simplification in resolve.c. (check-in: 310dac342e user: dan tags: trunk) | |
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2021-02-25
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| 18:28 | Fix test case in altercorrupt.test so that it works with SQLITE_ENABLE_OVERSIZE_CELL_CHECK builds. (check-in: 062b338ff2 user: dan tags: trunk) | |
Changes to src/resolve.c.
Changes to src/select.c.
Changes to src/whereexpr.c.
Deleted test/notnull2.test.