Thanks, Stephan and Milen. Everything is clear now. I had a change in the behavior moving from 8.1 to 8.3, and the automatic typecasting prior to 8.3 blurred the intended behavior as per the documentation. -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin