Robert Haas <robertmhaas@gmail.com> writes: > I agree that we need this, but using prorettype = InvalidOid to do it > might not be the best way, because it only works for procedures that > don't return anything. If a procedure could return, say, an integer,
Good point, because that is possible in some other systems, and so somebody is going to ask for it at some point. > Anyway, I think it would be better to invent an explicit way to > represent whether something is a procedure rather than relying on > overloading prorettype to tell us.
+1 --- seems like a new bool column is the thing. Or may we should merge "proisprocedure" with proisagg and proiswindow into an enum prokind? Although that would break some existing client-side code.
+1
Pavel
PS: I still strongly disagree with allowing prorettype to be zero.