From: Tom Lane <tgl@sss.pgh.pa.us>
To: James Robinson <jlrobins@socialserve.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Utility of recursive queries?
Date: Fri, 09 Apr 2004 12:35:44 -0400
Message-ID: <26575.1081528544@sss.pgh.pa.us> (raw)
In-Reply-To: <EF02401A-8A32-11D8-8620-000A9566A412@socialserve.com>
References: <EF02401A-8A32-11D8-8620-000A9566A412@socialserve.com>
James Robinson <jlrobins@socialserve.com> writes:
> Given a reference to id=3, would a recursive query be the trick to
> unrolling the list to discover id=1 as the head using a SQL one-liner?
I think you could do it, but don't have the syntax in my head.
> would any potential recursive query implementation be
> noticably more efficient that a straightforward implementation in
> plpgsql
Most likely not ...
regards, tom lane
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To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, jlrobins@socialserve.com
Subject: Re: Utility of recursive queries?
In-Reply-To: <26575.1081528544@sss.pgh.pa.us>
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