Richard Huxton <dev@archonet.com> writes: > Hmm - looking at the source (and \df in psql) it seems the basic problem > is that COALESCE() isn't a function.
If it were an ordinary function, it couldn't satisfy the property of not evaluating "unused" arguments ... regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly