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Overview
| Comment: | Use OP_SorterOpen instead of OP_OpenEphemeral to implement GROUP BY. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | merge-sort |
| Files: | files | file ages | folders |
| SHA1: |
ebf819aaa555bd79fddfc0a6f9827a25 |
| User & Date: | drh 2011-09-01 16:01:27 |
Context
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2011-09-02
| ||
| 10:31 | Instead of a temporary b-tree, use a linked-list and merge-sort to sort records in main memory in vdbesort.c. (check-in: 7769fb98 user: dan tags: merge-sort) | |
|
2011-09-01
| ||
| 16:01 | Use OP_SorterOpen instead of OP_OpenEphemeral to implement GROUP BY. (check-in: ebf819aa user: drh tags: merge-sort) | |
| 15:32 | Experimental code-generator changes to utilize new opcodes for sorting. (check-in: bab2e560 user: drh tags: merge-sort) | |
Changes
Changes to src/select.c.
Changes to test/distinct.test.