From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andres Freund <andres@anarazel.de>
Cc: Peter Geoghegan <pg@heroku.com>
Cc: hlinnaka <hlinnaka@iki.fi>
Cc: Jeff Janes <jeff.janes@gmail.com>
Cc: Stephen Frost <sfrost@snowman.net>
Cc: Dean Rasheed <dean.a.rasheed@gmail.com>
Cc: Bruce Momjian <bruce@momjian.us>
Cc: Pg Hackers <pgsql-hackers@postgresql.org>
Subject: Re: INSERT ... ON CONFLICT UPDATE/IGNORE 4.0
Date: Fri, 08 May 2015 13:25:22 -0400
Message-ID: <10633.1431105922@sss.pgh.pa.us> (raw)
In-Reply-To: <20150508165246.GO12950@alap3.anarazel.de>
References: <CAM3SWZTGE0z5_E8wRi9wt3qgOiMpSwtwr5uDcZDGhRZ1_pz6vg@mail.gmail.com>
<20150508150340.GJ12950@alap3.anarazel.de>
<9096.1431102730@sss.pgh.pa.us>
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Andres Freund <andres@anarazel.de> writes:
> On 2015-05-08 12:32:10 -0400, Tom Lane wrote:
>> Looks like there's a CLOBBER_CACHE_ALWAYS issue ...
>> http://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=jaguarundi&dt=2015-05-08%2011%3A52%3A00> Currently index inferrence ignores indexes that aren't yet valid
> according to checkxmin. I'm tempted to think that is a mistake. I think
> we should throw an error instead; possbily at execution rather than plan
> time.
If that's what is happening, then throwing an error is not going to fix
the problem of the regression test results being unstable; it'll just be
a different error that might or might not get thrown depending on timing.
regards, tom lane
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Cc: tgl@sss.pgh.pa.us, andres@anarazel.de, pg@heroku.com, hlinnaka@iki.fi, jeff.janes@gmail.com, sfrost@snowman.net, dean.a.rasheed@gmail.com, bruce@momjian.us, pgsql-hackers@postgresql.org
Subject: Re: INSERT ... ON CONFLICT UPDATE/IGNORE 4.0
In-Reply-To: <10633.1431105922@sss.pgh.pa.us>
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