To: "Michael Glaesemann" <grzm@seespotcode.net>
Cc: "Richard Broersma Jr" <rabroersma@yahoo.com>,
	"SQL Postgresql List" <pgsql-sql@postgresql.org>
Subject: Re: SELECT syntax synopsis: column_definition?
In-Reply-To: <50700110-2B0D-4935-B033-084ED908BEC5@seespotcode.net> (Michael
	Glaesemann's message of "Tue\, 21 Aug 2007 18\:04\:56 -0500")
User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.1 (gnu/linux)
References: <830878.14424.qm@web31803.mail.mud.yahoo.com>
	<50700110-2B0D-4935-B033-084ED908BEC5@seespotcode.net>
From: Gregory Stark <stark@enterprisedb.com>
Organization: EnterpriseDB
Date: Wed, 22 Aug 2007 00:53:21 +0100
Message-ID: <87zm0kigwe.fsf@oxford.xeocode.com>
MIME-Version: 1.0
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"Michael Glaesemann" <grzm@seespotcode.net> writes:

> ERROR:  a column definition list is only allowed for functions  returning
> "record"
>
> So the *form* is right, but I don't know of an example that works.

postgres=# create function testf() returns record as 'select 1' language sql;
CREATE FUNCTION
postgres=# select * from testf() as (i integer);
 i 
---
 1
(1 row)


I haven't quite figured out how this is useful though. It probably makes more
sense if you use plpgsql but I still don't quite see what the use case is.

-- 
  Gregory Stark
  EnterpriseDB          http://www.enterprisedb.com