"=?ISO-8859-1?B?Y2NhNTUwNw==?=" <cca5507(at)qq(dot)com> writes:
> postgres=> alter group g1 drop user r1;
> ERROR: permission denied to alter role
> DETAIL: Only roles with the ADMIN option on role "g1" may add members.
> The errmsg is "add members", but we are doing a drop.
> Here is a small patch to fix it.
Hmm. Seems simpler to just make the errdetail say "... may add or
drop members."
regards, tom lane