Peter Eisentraut <peter.eisentr...@enterprisedb.com> writes: > On 02.06.21 02:04, Tom Lane wrote: >> Hmm, actually we could make step 2 a shade tighter: if a candidate >> routine is a function, match against proargtypes. If it's a procedure, >> match against coalesce(proallargtypes, proargtypes). If we find >> multiple matches, raise ambiguity error.
> I'm ok with this proposal. Cool. Do you want to try to implement it, or shall I? A question that maybe we should refer to the RMT is whether it's too late for this sort of redesign for v14. I dislike reverting the OUT-procedure feature altogether in v14, but perhaps that's the sanest way to proceed. regards, tom lane