Date: Fri, 8 May 2015 21:09:57 +0200
From: Andres Freund <andres@anarazel.de>
To: Tom Lane <tgl@sss.pgh.pa.us>
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
Message-ID: <20150508190957.GW12950@alap3.anarazel.de>
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On 2015-05-08 14:59:22 -0400, Tom Lane wrote:
> 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?

Afaics RELCACHE_FORCE_RELEASE is independent of CCA (should we change
that?).  So this probably a bug, just not a relevant bug. I can't see
how it'd take affect in this case.

Greetings,

Andres Freund


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