On Tue, Jun 12, 2007 at 03:32:40PM +0200, Christo Du Preez wrote: > As an example I took a table with about 650 rows, having a parentid > field with an index on parentid.
Try a bigger table. Using an index for only 650 rows is almost always suboptimal, so it's no wonder the planner doesn't use the index. /* Steinar */ -- Homepage: http://www.sesse.net/ ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org