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Parents and children of check-in [99e34bdce4]

2011-09-03
17:07
Performance improvements to the external merge-sorter. Keep content on an in-memory linked lists rather than an ephemeral table prior to spilling to disk. Use the external merge-sorter to implement ORDER BY and GROUP BY in addition to CREATE INDEX. check-in: 4c43e8b2d2 user: drh tags: trunk
16:42
Simplification and performance tweaks in vdbeSorterMerge(). Closed-Leaf check-in: 99e34bdce4 user: drh tags: merge-sort
14:36
Reduce the number of VdbeRecordUnpack() calls made in vdbesort.c. check-in: 666c2c3cff user: dan tags: merge-sort