On Sun, Mar 1, 2009 at 4:32 AM, Robert Haas <robertmhaas@xxxxxxxxx> wrote: > What do you have default_statistics_target set to? If it's less than > 100, you should probably raise it to 100 and re-analyze (the default > value for 8.4 will be 100, but for 8.3 and prior it is 10). Changing it to 100 fixed the problem. Thanks for alerting me to the existence of default_statistics_target. Alexander. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance