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7 check-ins using file src/update.c version 943b8219
|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|
|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|