From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: WITH RECUSIVE patches 0723 |
Date: | 2008-07-28 19:15:13 |
Message-ID: | 26270.1217272513@sss.pgh.pa.us |
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Lists: | pgsql-hackers pgsql-patches |
Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk> writes:
> Recursive WITH queries that self-join the recursion result seem to be
> rare in practice.
We are not in the business of getting spec-required semantics 80% right;
and as I took pains to point out to start with, there are good
functionality reasons to want it to work per spec, even without getting
into "interesting" cases like self-joins. If you don't think this is
grounds for rejecting the patch, think again.
regards, tom lane
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