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From: "Passynkov, Vadim" <Vadim.Passynkov@pathcom.com>
To: "'Erik Thiele'" <erik@thiele-hydraulik.de>,
	pgsql-sql@postgresql.org
Subject: Re: get sequence value of insert command
Date: Fri, 19 Nov 2004 10:57:12 -0500
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> -----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
> 
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> broadcast)---------------------------
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