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Difference From e4d1970ef17b2330 To 310dac342e7b1f9b
|15:12||Remove a NEVER() that might sometimes be tree following an OOM. (check-in: ccb8cf52 user: drh tags: trunk)|
|21:39||Fix a segfault that could occur when optimizing a NOT NULL constraint against an IPK column of a sub-query. (check-in: e4d1970e 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: de9c86c9 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: 5ecd8425 user: dan tags: ifnull-opt)|
|15:20||Minor simplification in resolve.c. (check-in: 310dac34 user: dan tags: trunk)|
|18:28||Fix test case in altercorrupt.test so that it works with SQLITE_ENABLE_OVERSIZE_CELL_CHECK builds. (check-in: 062b338f user: dan tags: trunk)|
Changes to src/resolve.c.
Changes to src/select.c.
Changes to src/whereexpr.c.