Richard Huxton <[EMAIL PROTECTED]> writes: > * Allow multiple unique constraints to share an index where one is a > superset of the others' columns.
> That way you can mark it unique without having the overhead of multiple > indexes. That just moves the uncertain-dependency problem over one spot, ie, it's the fabricated unique constraint that you can't pin down the requirements for. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 3: 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