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

From Tom Lane
Subject Re: WITH RECUSIVE patches 0723
Date
Msg-id 25697.1217270941@sss.pgh.pa.us
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In response to Re: WITH RECUSIVE patches 0723  (Andrew Gierth <andrew@tao11.riddles.org.uk>)
Responses Re: WITH RECUSIVE patches 0723  (David Fetter <david@fetter.org>)
List pgsql-hackers
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.
        regards, tom lane


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