Josh Berkus <josh@xxxxxxxxxxxx> writes: > I understand why now() is a problem for CE, but I'd expect that it could > at least handle a simple expression with immutable outputs. timestamptz + interval is not immutable --- in fact, the particular example you give (ts + '1 day') is certainly dependent on timezone setting. regards, tom lane -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance