Artifact 32d0f4e5513362706b8973e7f1b87cd0885dfbf5:

• File src/select.c
  • 2011-09-02 10:31:11 — part of check-in [7769fb98] on branch merge-sort — Instead of a temporary b-tree, use a linked-list and merge-sort to sort records in main memory in vdbesort.c. (user: dan size: 164114)
  • 2011-09-03 17:07:26 — part of check-in [4c43e8b2] 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: 164114)