From: David Fetter <david@fetter.org>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Andrew Gierth <andrew@tao11.riddles.org.uk>
Cc: Tatsuo Ishii <ishii@postgresql.org>
Cc: pgsql-hackers@postgresql.org
Subject: Re: WITH RECUSIVE patches 0723
Date: Tue, 29 Jul 2008 21:21:39 -0700
Message-ID: <20080730042139.GD6750@fetter.org> (raw)
In-Reply-To: <25697.1217270941@sss.pgh.pa.us>
References: <20080725001513.GF16438@fetter.org>
<20080725.092652.105178884.t-ishii@sraoss.co.jp>
<87r69gs967.fsf@news-spur.riddles.org.uk>
<20080728.162925.23020498.t-ishii@sraoss.co.jp>
<877ib6rq6q.fsf@news-spur.riddles.org.uk>
<23482.1217264813@sss.pgh.pa.us>
<873altsyay.fsf@news-spur.riddles.org.uk>
<25697.1217270941@sss.pgh.pa.us>
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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To: pgsql-patches@postgresql.org
Cc: david@fetter.org, tgl@sss.pgh.pa.us, andrew@tao11.riddles.org.uk, ishii@postgresql.org, pgsql-hackers@postgresql.org
Subject: Re: WITH RECUSIVE patches 0723
In-Reply-To: <20080730042139.GD6750@fetter.org>
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