Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> For that matter, I wonder what happens with regular function
> permissions. If the plan inlines the function and then somebody goes
> and changes the permission on the function and makes it SECURITY
> DEFINER, what happens?
ALTER FUNCTION is supposed to cause plan invalidation in such a case.
Not sure if GRANT plays nice with that though.
regards, tom lane