Natalie Wenz <nataliewenz(at)ebureau(dot)com> writes:
> Would it be necessary to disambiguate?
Of course. If the mapping for group_x says to connect to the remote
server as user foo, while the mapping for group_y says to connect
as user bar, then it matters which one we use. But there would be no
principled way to choose, if the current userid is a member of both
group_x and group_y.
regards, tom lane