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Re: PostGreSQL and recursive queries...

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Gregory Stark <stark(at)enterprisedb(dot)com>
Cc: "Tatsuo Ishii" <ishii(at)postgresql(dot)org>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: PostGreSQL and recursive queries...
Date: 2007-11-30 15:40:58
Message-ID: 2269.1196437258@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Gregory Stark <stark(at)enterprisedb(dot)com> writes:
> I could imagine problems the planner would have to deal with though, such as
> what type is "bogon" in this query?

> WITH RECURSIVE x(bogon) AS (select bogon from x) select * from x;

Just a note --- that's not the planner's problem, either.  Semantic
interpretation of the meaning of a query is supposed to be completed
during parse analysis.

			regards, tom lane

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