From: Passynkov, Vadim <Vadim.Passynkov@pathcom.com>
To: 'Erik Thiele' <erik@thiele-hydraulik.de>
To: pgsql-sql@postgresql.org
Subject: Re: get sequence value of insert command
Date: Fri, 19 Nov 2004 10:57:12 -0500
Message-ID: <C8C8E7457059D5119E4700D0B765DCB8016AA911@sinope.inside.pathcom.com> (raw)
> -----Original Message-----
> From: Erik Thiele [mailto:erik@thiele-hydraulik.de]
> Sent: Friday, November 19, 2004 3:42 AM
> To: pgsql-sql@postgresql.org
> Subject: [SQL] get sequence value of insert command
>
>
> hi
>
> create sequence mysequence;
>
> create table foo(
> id integer default nextval('mysequence'),
> bla text,
> wombat integer,
> foobar date,
> primary key(id)
> );
>
> insert into foo (wombat) values (88);
>
> now how do i know the id of my newly inserted element? and
> how can this be done in a completely concurrency safe way?
CREATE RULE get_pkey_on_insert AS ON INSERT TO foo DO SELECT
currval('mysequence') AS id LIMIT 1;
>
>
> cya
> erik
>
> ---------------------------(end of
> broadcast)---------------------------
> TIP 7: don't forget to increase your free space map settings
>
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To: pgsql-sql@postgresql.org
Cc: Vadim.Passynkov@pathcom.com, erik@thiele-hydraulik.de
Subject: Re: get sequence value of insert command
In-Reply-To: <C8C8E7457059D5119E4700D0B765DCB8016AA911@sinope.inside.pathcom.com>
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