Ian Harding <iharding(at)tpchd(dot)org> writes:
> Is there already a view/function that will get me this info, and if not,
> am I barking up the right tree here?
I'd suggest using pg_get_constraintdef() to decipher the contents of the
pg_constraint row.
(In 7.3 I think this function only handles foreign-key constraints, but
that's what you wanted anyway...)
regards, tom lane