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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2006-02-26 22:58:12 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2006-02-26 22:58:12 +0000 |
| commit | 909ca1407c4f38d9cca28df016f467db041edad5 (patch) | |
| tree | 1dcbfb6dc95c77ae0b2711232668331273b8ac16 /doc/src/FAQ/FAQ_chinese.html | |
| parent | e1f06d8057322c1433b0436dfd825d1dbef486c1 (diff) | |
Improve sorting speed by pre-extracting the first sort-key column of
each tuple, as per my proposal of several days ago. Also, clean up
sort memory management by keeping all working data in a separate memory
context, and refine the handling of low-memory conditions.
Diffstat (limited to 'doc/src/FAQ/FAQ_chinese.html')
0 files changed, 0 insertions, 0 deletions