When I use intervals in my query e.g col1 between current_timestamp - interval '10 days' and current_timestamp...the optimizer checks ALL partitions whereas if I use col1 between 2 hardcoded dates..only the applicable partitions are scanned. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance