> * Allow ORDER BY ... LIMIT to select top values without sort or index
This commit is contained in:
Bruce Momjian 2002-01-27 04:20:38 +00:00
parent d613aad31f
commit b9be2b254c

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@ -1,6 +1,6 @@
TODO list for PostgreSQL
========================
Last updated: Sat Jan 26 18:08:43 EST 2002
Last updated: Sat Jan 26 23:20:24 EST 2002
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
@ -432,6 +432,7 @@ OPTIMIZER/EXECUTOR
* Change FIXED_CHAR_SEL to 0.20 from 0.04 to give better selectivity (Bruce)
* Make IN/NOT IN have similar performance to EXISTS/NOT EXISTS [exists]
* Missing optimizer selectivities for date, r-tree, etc. [optimizer]
* Allow ORDER BY ... LIMIT to select top values without sort or index
MISCELLANEOUS