Stephan Szabo <sszabo@megazone23.bigpanda.com> writes:
> On Tue, 2 Apr 2002, Tom Lane wrote:
>> Hm ... isn't it NULL anyway, if the left side is NULL?
> I think the empty case is special, due to the rules on <quantified
> comparison predicate>s.
[ reads spec... ] Yeah, I think you are right.
Looks like our subplan implementation gets it right, too.
regards, tom lane