Tom Dunstan <pgsql(at)tomd(dot)cc> writes:
> I thought the runtime one was kinda cute, actually, but you would have
> to have duplicate functions for the differently sized types, eg.
> enum1_out, enum2_out etc since otherwise you wouldn't know what sized
> parameter you were just handed.
I'm not sure that that matters really. What you are actually going to
get handed is a Datum that IIRC is right-justified and zero-padded, so
very probably one function would work for all stored widths. The bigger
issue I think is the surprise factor if a column gets wider over a dump
and reload.
regards, tom lane