Jeff Davis <pgsql@xxxxxxxxxxx> writes: > Yes, that is a strange case. When you can't tell if an interval is > positive or negative, how do you define the absolute value? That was the point of my '1 day -25 hours' example. Whether you consider that positive or negative seems mighty arbitrary. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general