< columns and indexes with many duplicate keys
TODO list for PostgreSQL
========================
-Last updated: Tue Apr 20 16:16:27 EDT 2004
+Last updated: Wed Apr 28 12:35:30 EDT 2004
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
[inheritance]
* Add UNIQUE capability to non-btree indexes
* Add rtree index support for line, lseg, path, point
- columns and indexes with many duplicate keys
* Use indexes for min() and max() or convert to SELECT col FROM tab ORDER
BY col DESC LIMIT 1 if appropriate index exists and WHERE clause acceptible
* Use index to restrict rows returned by multi-key index when used with