pg.ddx.io  pgsql-admin@postgresql.org mailing list archive  
help / color / mirror / Atom feed
From: Andres Freund <andres@anarazel.de>
To: Thom Brown <thom@linux.com>
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: Wed, 20 May 2015 19:11:16 +0200
Message-ID: <20150520171116.GE27868@alap3.anarazel.de> (raw)
In-Reply-To: <CAA-aLv7PwX24Ex2EWceOUtg0oEjdTbYiQ670j4dWf2nR369oUA@mail.gmail.com>
References: <CAM3SWZTGE0z5_E8wRi9wt3qgOiMpSwtwr5uDcZDGhRZ1_pz6vg@mail.gmail.com>
	<20150508150340.GJ12950@alap3.anarazel.de>
	<CAA-aLv6gJ0Ur4rsrv4gfban9w6B16FN5K6tozxUgcNMCBdV00g@mail.gmail.com>
	<20150520165406.GD27868@alap3.anarazel.de>
	<CAA-aLv7PwX24Ex2EWceOUtg0oEjdTbYiQ670j4dWf2nR369oUA@mail.gmail.com>
List-Unsubscribe: <mailto:majordomo@postgresql.org?body=unsub%20pgsql-hackers>

On 2015-05-20 18:09:05 +0100, Thom Brown wrote:
> On 20 May 2015 at 17:54, Andres Freund <andres@anarazel.de> wrote:
> > On 2015-05-20 17:44:05 +0100, Thom Brown wrote:
> >> The docs say "Note that exclusion constraints are not supported with
> >> ON CONFLICT DO UPDATE."
> >>
> >> But I get the following error message text:
> >>
> >> "ERROR:  there is no unique or exclusion constraint matching the ON
> >> CONFLICT specification"
> >>
> >> This implies that an exclusion constraint is valid in the statement,
> >> which contradicts the docs.  Which one is correct?
> >
> > ON CONFLICT can be used for ... DO NOTHING as well.
> 
> Yes, but still confusing when not using DO NOTHING.

I'm not sure I can follow. INSERT INTO account VALUES(...) ON CONFLICT
(email) DO NOTHING; seems to make sense to me?

Greetings,

Andres Freund


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



view thread (77+ messages)  latest in thread

Message-ID: <20150520171116.GE27868@alap3.anarazel.de>
Permalink:  ../20150520171116.GE27868@alap3.anarazel.de/
Also on:    postgresql.org/message-id/20150520171116.GE27868@alap3.anarazel.de

 · 

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-admin@postgresql.org
  Cc: andres@anarazel.de, thom@linux.com, 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: <20150520171116.GE27868@alap3.anarazel.de>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox