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7 check-ins using file src/update.c version 943b8219
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2002-03-03
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| 03:42 | Fix a memory leak in expression processing. (CVS 414) (check-in: dfe431c9 user: drh tags: trunk) | |
| 03:11 | Additional tests of flattening (CVS 413) (check-in: e1d93c59 user: drh tags: trunk) | |
| 03:03 | Suppress superfluous OP_OpenTemps when flattening subqueries. (CVS 412) (check-in: 000441c8 user: drh tags: trunk) | |
| 02:49 | Bug fixes and additional tests for the subquery flattener. (CVS 411) (check-in: 2c05389e user: drh tags: trunk) | |
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2002-03-02
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| 20:41 | Pager optimization: do not write or journal free pages. This results in a 2x performance gain for large INSERTs and a 5x performance gain for large DELETEs. (CVS 410) (check-in: cf1ebcfb user: drh tags: trunk) | |
| 19:00 | Change the btree node balancers to sort nodes into accending order. This improves insert and delete speed by 25%. (CVS 409) (check-in: abbb999d user: drh tags: trunk) | |
| 17:04 | Subquery flattening is implemented and passes all regression tests. We still need to add addition tests to the suite to further exercise the flattener, however. (CVS 408) (check-in: d5d3e79c user: drh tags: trunk) | |