Thanks Bruce, I have, and I even thought, I understood it :). I just ran an explain analyze on another table - and ever since the query plan changed. It's now using the index as expected. I guess, I have some more reading to do. On Oct 16, 2012, at 20:31 , Bruce Momjian <bruce@xxxxxxxxxx> wrote: > > Have you read our FAQ on this matter? > -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance