Received: from malur.postgresql.org ([217.196.149.56])
 by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from
 <pgsql-hackers-owner+M272773=pgsql-hackers-arkari@postgresql.org>)
 id 1YqnV1-0002aP-41
 for pgsql-hackers@arkaria.postgresql.org; Fri, 08 May 2015 18:59:51 +0000
Received: from localhost ([127.0.0.1] helo=postgresql.org)
 by malur.postgresql.org with smtp (Exim 4.80) (envelope-from
 <pgsql-hackers-owner+M272773=pgsql-hackers-arkari@postgresql.org>)
 id 1YqnV0-0007yn-FI
 for pgsql-hackers@arkaria.postgresql.org; Fri, 08 May 2015 18:59:50 +0000
Received: from makus.postgresql.org ([2001:4800:1501:1::229])
 by malur.postgresql.org with esmtps (TLS1.2:RSA_AES_256_CBC_SHA256:256)
 (Exim 4.80) (envelope-from <tgl@sss.pgh.pa.us>) id 1YqnUz-0007yg-7g
 for pgsql-hackers@postgresql.org; Fri, 08 May 2015 18:59:49 +0000
Received: from sss.pgh.pa.us ([66.207.139.130])
 by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256)
 (Exim 4.84) (envelope-from <tgl@sss.pgh.pa.us>) id 1YqnUs-0003rF-Jb
 for pgsql-hackers@postgresql.org; Fri, 08 May 2015 18:59:47 +0000
Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1])
 by sss.pgh.pa.us (8.14.4/8.14.4) with ESMTP id t48IxM8I018314;
 Fri, 8 May 2015 14:59:22 -0400
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andres Freund <andres@anarazel.de>
cc: Peter Geoghegan <pg@heroku.com>, Heikki Linnakangas <hlinnaka@iki.fi>,
 Jeff Janes <jeff.janes@gmail.com>, Stephen Frost <sfrost@snowman.net>,
 Dean Rasheed <dean.a.rasheed@gmail.com>, Bruce Momjian <bruce@momjian.us>,
 Pg Hackers <pgsql-hackers@postgresql.org>
Subject: Re: INSERT ... ON CONFLICT UPDATE/IGNORE 4.0
In-reply-to: <20150508183504.GU12950@alap3.anarazel.de>
References: 
 <CAM3SWZTGE0z5_E8wRi9wt3qgOiMpSwtwr5uDcZDGhRZ1_pz6vg@mail.gmail.com>
 <20150508150340.GJ12950@alap3.anarazel.de> <9096.1431102730@sss.pgh.pa.us>
 <20150508165246.GO12950@alap3.anarazel.de> <10633.1431105922@sss.pgh.pa.us>
 <554CF44B.3080808@iki.fi> <20150508180636.GR12950@alap3.anarazel.de>
 <CAM3SWZQsh=uDmyRW4NzYqU_kv8qAsvCYpJuuYSuikfuJbLANQQ@mail.gmail.com>
 <20150508181445.GS12950@alap3.anarazel.de> <17473.1431109846@sss.pgh.pa.us>
 <20150508183504.GU12950@alap3.anarazel.de>
Comments: In-reply-to Andres Freund <andres@anarazel.de>
 message dated "Fri, 08 May 2015 20:35:04 +0200"
Date: Fri, 08 May 2015 14:59:22 -0400
Message-ID: <18313.1431111562@sss.pgh.pa.us>
X-Pg-Spam-Score: -0.4 (/)
List-Archive: <http://archives.postgresql.org/pgsql-hackers>
List-Help: <mailto:majordomo@postgresql.org?body=help>
List-ID: <pgsql-hackers.postgresql.org>
List-Owner: <mailto:pgsql-hackers-owner@postgresql.org>
List-Post: <mailto:pgsql-hackers@postgresql.org>
List-Subscribe: <mailto:majordomo@postgresql.org?body=sub%20pgsql-hackers>
List-Unsubscribe: <mailto:majordomo@postgresql.org?body=unsub%20pgsql-hackers>
X-Mailing-List: pgsql-hackers
Precedence: bulk
Sender: pgsql-hackers-owner@postgresql.org

Andres Freund <andres@anarazel.de> writes:
> I think Peter (on IM) just found a more likely explanation than mine.
> 			index_close(idxRel, NoLock);
> 			heap_close(relation, NoLock);
> 			candidates = lappend_oid(candidates, idxForm->indexrelid);
> ...
> Yes. idxForm points into idxRel->rd_index.

Ooops.  But shouldn't that have failed 100% of the time in a CCA build?
Or is the candidates list fairly noncritical?

			regards, tom lane


-- 
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers