I have added the unresolved issue referenced here to TODO: http://archives.postgresql.org/pgsql-bugs/2005-01/msg00306.php
It relates to the use of rtree indexing: * Fix incorrect rtree results due to wrong assumptions about "over" operator semantics [rtree] -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend