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Overview
Comment:Simplification and performance tweaks in vdbeSorterMerge().
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SHA1: 99e34bdce4ccca15b79159b03b96787e7a7ff85b
User & Date: drh 2011-09-03 16:42:38
Context
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: 4c43e8b2 user: drh tags: trunk
16:42
Simplification and performance tweaks in vdbeSorterMerge(). Closed-Leaf check-in: 99e34bdc user: drh tags: merge-sort
14:36
Reduce the number of VdbeRecordUnpack() calls made in vdbesort.c. check-in: 666c2c3c user: dan tags: merge-sort
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Changes to src/vdbesort.c.