Re: Foreign keys for non-default datatypes, redux - Mailing list pgsql-hackers

Stephan Szabo <sszabo@megazone.bigpanda.com> writes:
> The reason I was wondering is that it uses tgnargs == 4 as the check, and
> if we change the meanings of tgnargs, we'd need to change the check.

Sure, it'd be looking for a zero-length conkeys array instead.
        regards, tom lane