> > (1) a CONVERSION can only be dropped by the superuser or its owner.
>
> Okay ...
>
> > (2) a grant syntax for CONVERSION is:
>
> > GRANT USAGE ON CONVERSION <conversion_name> to
> > {<user_name> | GROUP <group_name> | PUBLIC} [, ...]
>
> No, I don't think a conversion has any privileges of its own at all.
> You either have USAGE on the underlying function, or not.
I see.
--
Tatsuo Ishii