Jann Röder wrote: Am 23.08.10 12:18, schrieb Scott Marlowe: >> What happens if you try >> >> set enable_seqscan=off; >> (your query here) >> > Tried that already. The query plan is exactly the same. Exactly? Not even the cost shown for the seq scan changed? You are almost certainly omitting some crucial piece of information in your report. Please look over this page and post a more complete report. In particular, please show the results of \d for both tables (or of pg_dump -s -t 'tablename'), your complete postgresql.conf file stripped of comments, and a description of your hardware and OS. -Kevin -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance