Peter Eisentraut <> writes:
> I've been working on SQL procedures.

No comment yet on the big picture here, but ...

> The provided procedural languages (an ever more
> confusing term) each needed a small touch-up to handle pg_proc entries
> with prorettype == 0.

Putting 0 in prorettype seems like a pretty bad idea.  Why not use VOIDOID
for the prorettype value?  Or if there is some reason why "void" isn't the
right pseudotype, maybe you should invent a new one, analogous to the
"trigger" and "event_trigger" pseudotypes.

                        regards, tom lane

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