Markus Schaber <schabi@logix-tt.com> writes:
> Ah, I see. So there's no possibility to pass some void* kind of
> intermediate data, I have to craft at least a dummy PostgreSQL datatype
> for it.
Right. My first thought would be to use bytea as the declared type ---
doesn't put much burden on you except to have a length word at the front.
regards, tom lane