> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > Got it. How does an IN subquery returning NULL behave differently from
> > one returning FALSE? I can't think of a test that would be affected.
>
> After we fix IS TRUE and friends to respond to nulls correctly (Conway's
> promised to do that, IIRC) it'll be possible to write
>
> (foo IN (SELECT ...)) IS NOT FALSE
>
> and get the "intuitive" behavior. But right now that doesn't work.
>
I'm still committed to it -- just want to finish up has_table_privilege
first -- shouldn't be too long now.
-- Joe