DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma;
	h=from:reply-to:to:subject:date:user-agent:cc:references:in-reply-to
	:mime-version:content-type:content-transfer-encoding
	:content-disposition:message-id;
	b=R7iT38lJLlyUK+/SFzvxj2Hs/NQw8gTyjTdtgpmqBf38Btg/klxN+P5bGI2sgworiC
	5DIv0TqjVplPpnVD2rdM/2xy8qL84S0zVzUyIejsCo7F3UKfBttotgNx+JkGIn1Q9YO1
	cYlHQAOo8yqC3WCGf5lXwOFuQWn6sKthxUX8Y=
From: Adrian Klaver <adrian.klaver@gmail.com>
Reply-To: adrian.klaver@gmail.com
To: pgsql-sql@postgresql.org
Subject: Re: Need help with plpgsql function.
Date: Sun, 14 Nov 2010 10:37:58 -0800
User-Agent: KMail/1.9.10
Cc: Pavel Stehule <pavel.stehule@gmail.com>,
	berelith <nicolasbeuzeboc@gmail.com>
References: <1289692082542-3264047.post@n5.nabble.com>
	<AANLkTikqf3bSwxJDHXmwanqfV9pNy1w5g_EdCRd0qA51@mail.gmail.com>
In-Reply-To: <AANLkTikqf3bSwxJDHXmwanqfV9pNy1w5g_EdCRd0qA51@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain;
  charset="utf-8"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
Message-Id: <201011141037.59231.adrian.klaver@gmail.com>

On Saturday 13 November 2010 11:15:51 pm Pavel Stehule wrote:

> > }
>
> Hello
>
> you can use a RETURN QUERY statement - some like
>
> CREATE OR REPLACE FUNCTION foo(IN i int, OUT a int, OUT b int)
> RETURNS SETOF RECORD AS $$
> BEGIN
>   IF i = 1 THEN
>     RETURN QUERY SELECT 10,20 UNION ALL SELECT 30,40;
>   ELSE
>     RETURN QUERY SELECT 60,70 UNION ALL SELECT 80,90;
>   END IF;
>   RETURN;
> END;
> $$ LANGUAGE plpgsql;
>
> SELECT * FROM foo(1);
> SELECT * FROM foo(2);
>
> Regards
>
> Pavel Stehule
>

FYI the OP is using 8.2 :) RETURN QUERY is 8.3+ 

-- 
Adrian Klaver
adrian.klaver@gmail.com