2011-09-03 16:42:38
— part of check-in
[99e34bdce4]
on branch merge-sort
— Simplification and performance tweaks in vdbeSorterMerge().
(user:
drh
size: 30200)
2011-09-03 17:07:26
— part of check-in
[4c43e8b2d2]
on branch trunk
— 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.
(user:
drh
size: 30200)