Re: [PATCH] Extend ALTER OPERATOR to support adding commutator, negator, hashes, and merges

Christoph Berg <myon@debian.org> writes:
> Anyway, if this doesn't raise any "oh we didn't think of this"
> concerns, we'll just remove the old operators in pgsphere.

Well, the idea was exactly to forbid that sort of setup.
However, if we get sufficient pushback maybe we should
reconsider --- for example, maybe it'd be sane to enforce
the restriction in ALTER but not CREATE?

I'm inclined to wait and see if there are more complaints.

            regards, tom lane