Tatsuo Ishii <t-ishii@sra.co.jp> writes:
> BTW, I wonder if we should invent new access privilege for conversion.
I believe the spec just demands USAGE on the underlying function for
the TRANSLATE case, and I don't see why it should be different for
CONVERT. (In principle, if we didn't use a C-only API, you could
just call the underlying function directly; so there's little point
in having protection restrictions different from that case.)
regards, tom lane