I have created the following in my postgres.conf file custom_variable_classes = 'iss' In a SQL session I've tried Set iss.one = '1' set iss.two = '2' Select * from iss; How do I access the values from the custom class in sql code? Best Regards Michael Gould -- Michael Gould, Managing Partner Intermodal Software Solutions, LLC 904.226.0978 904.592.5250 fax -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general