Alastair McKinley <a.mckinley@analyticsengines.com> writes:
> Thanks for solving the mystery. I think this might be a missing point in section 15.2 in the docs.
> I wonder will this ever be improved or should I just write to temporary tables instead of return query?
I just posted a patch to improve that [1], but it's not something we'd be
likely to back-patch into existing releases.
regards, tom lane
[1] https://www.postgresql.org/message-id/1741.1584847383%40sss.pgh.pa.us
