Re: WITH RECUSIVE patches 0723 - Mailing list pgsql-hackers

From David Fetter
Subject Re: WITH RECUSIVE patches 0723
Date
Msg-id 20080730042139.GD6750@fetter.org
Whole thread Raw
In response to Re: WITH RECUSIVE patches 0723  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
On Mon, Jul 28, 2008 at 02:49:01PM -0400, Tom Lane wrote:
> Andrew Gierth <andrew@tao11.riddles.org.uk> writes:
> > "Tom" == Tom Lane <tgl@sss.pgh.pa.us> writes:
> >  Tom> That whole business of using the EState to pass tuplestores back
> >  Tom> and forth looks fundamentally broken to me anyway; there's just
> >  Tom> no way it'll be certain to link the right nodes together in
> >  Tom> complicated cases with multiple recursions.
> 
> > Mutual recursion is not allowed;
> 
> Well, the spec allows it, so we're going to have to fix this kluge
> sooner or later, even if it chances not to fail on the subset we
> currently support.

Any ideas how to approach this?

Cheers,
David.
-- 
David Fetter <david@fetter.org> http://fetter.org/
Phone: +1 415 235 3778  AIM: dfetter666  Yahoo!: dfetter
Skype: davidfetter      XMPP: david.fetter@gmail.com

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