dexdyne <davidc@xxxxxxxxxxx> writes: > So it looks as if date_trunc is taking either type and returning a value of > the same type. Yes, as \df would have told you. > A perfectly reasonable thing to do - but does that correspond with the > documentation? Could be a bit more specific, perhaps. 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