Re: Fixing the representation of ORDER BY/GROUP BY/DISTINCT

On Thu, Jul 31, 2008 at 08:54:49PM -0400, Tom Lane wrote:
> So while I was fooling with Steve Midgley's problem I got a bit of a bee
> in my bonnet about the way that the parser emits ORDER BY, GROUP BY,
> and DISTINCT lists.

There's an open TODO item in this area: namely that a GROUP BY referring
to a primary key is equivalent to a GROUP BY involving all the rest of
the fields. Now, I don't think anyone has proposed a way to support
that, but I wanted to check we arn't making it harder to do with these
changes...

Have a nice day,
--
Martijn van Oosterhout <kleptog(at)svana(dot)org> http://svana.org/kleptog/
> Please line up in a tree and maintain the heap invariant while
> boarding. Thank you for flying nlogn airlines.