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help / color / mirror / Atom feedFrom: Andreas Joseph Krogh <andreas@visena.com>
To: pgsql-sql@postgresql.org
Subject: Re: Unable to use INSERT ... RETURNING with column from other table
Date: Wed, 25 Oct 2017 00:49:05 +0200 (CEST)
Message-ID: <VisenaEmail.5e.f9aed09bf35804e1.15f509189ac@tc7-visena> (raw)
In-Reply-To: <CAH2-Wzm4Qss48XbhWEDuLTcnFCi7QzKWtiNwYBk1LurcC9CdKQ@mail.gmail.com>
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På onsdag 25. oktober 2017 kl. 00:06:59, skrev Peter Geoghegan <pg@bowt.ie
<mailto:pg@bowt.ie>>:
On Tue, Oct 24, 2017 at 3:04 PM, Andreas Joseph Krogh
<andreas@visena.com> wrote:
> insert into foo(id, name) values(1, 'one'), (2, 'two');
>
> insert into foo(id, name) select 3, f.name from foo f where f.id = 1
returning id, f.id;
>
> ERROR: missing FROM-clause entry for table "f"
> LINE 1: ...lect 3, f.name from foo f where f.id = 1 returning id, f.id;
>
> I'd like to return f.id and the inserted id, is this possible?
It's possible on 9.5+. You need to assign the target table an alias
using AS -- AS in not a noise word for INSERT (the grammar requires
it).
See the INSERT documentation.
I'm not sure how an alias for the target_table will help me here as I'm trying
to return a value not being inserted?
f.id is not inserted, only columns matching f.id.
-- Andreas Joseph Krogh
CTO / Partner - Visena AS
Mobile: +47 909 56 963
andreas@visena.com <mailto:andreas@visena.com>
www.visena.com <https://www.visena.com;
<https://www.visena.com;
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Subject: Re: Unable to use INSERT ... RETURNING with column from other table
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