Re: SELECT syntax synopsis: column_definition?

From: Gregory Stark <stark(at)enterprisedb(dot)com>
To: "Michael Glaesemann" <grzm(at)seespotcode(dot)net>
Cc: "Richard Broersma Jr" <rabroersma(at)yahoo(dot)com>, "SQL Postgresql List" <pgsql-sql(at)postgresql(dot)org>
Subject: Re: SELECT syntax synopsis: column_definition?
Date: 2007-08-21 23:53:21
Message-ID: 87zm0kigwe.fsf@oxford.xeocode.com
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"Michael Glaesemann" <grzm(at)seespotcode(dot)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

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