On Aug 20, 2013, at 2:53 PM, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> wrote:
>> I am passing the values returned from a CTE to a call to pg_notify(). I do not care to collect the output of pg_notify(), which returns VOID.
>
> it is little bit different issue - PL/pgSQL doesn't check if returned type is VOID - it can be allowed, I am thinking. So check of empty result can be enhanced.
I am confused. I do not need to check the result (except via FOUND). But I am sure I can think of other situations where I am calling something where I do not care about the result, even if it returns one.
Best,
David