wieck@debis.com (Jan Wieck) writes:
> Shouldn't a function returning a SET of tuples cause a proper
> join?
Join on what? The semantics suggested by the existing regress tests
(for lack of any actual documentation :-() certainly appear to be
straight Cartesian product.
Anyway, I have no intention of spending more time on this feature now.
There's lots of higher-priority problems...
regards, tom lane