Bruce Momjian <bruce@momjian.us> writes:
> On Thu, Jul 4, 2013 at 04:29:20PM -0400, Tom Lane wrote:
>> No, it isn't, or at least it's far from the only place. If we're going
>> to change this, we would also want to change the behavior of tests on
>> RECORD values, which is something that would have to happen at runtime.
> I checked RECORD and that behaves with recursion:
Apparently you don't even understand the problem. All of these examples
you're showing are constants. Try something like
declare r record;...select ... into r ...if (r is null) ...
regards, tom lane