> * Allow ORDER BY ... LIMIT to select top values without sort or index
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)
* 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