Andres Freund <andres(at)2ndquadrant(dot)com> writes:
> I don't think it's necessary. As far as I understand LATERAL, a join to
> a function returning NULL will still return the row. So, the test now
> would only test whether there are rows in pg_class which seems a bit
> pointless.
Yeah, after looking closer I'd come to the same conclusion. If the
lateral function call could generate zero rows it'd perhaps be a risk,
but not in this formulation.
Will commit in a moment.
regards, tom lane