> OidFunctionCallN will not work, but I believe it would work to
> construct an FmgrInfo record during the SET operation, keep that, and
> use FunctionCallN when you need to invoke the converter. This will
> definitely work for built-in and new-style dynamically loaded C
> functions, and that's probably all we need/want to support anyway.
Ok, I have committed changes per your suggestion.
--
Tatsuo Ishii