From: Gregory Stark <stark@enterprisedb.com>
To: Michele Petrazzo - Unipex srl <michele.petrazzo@unipex.it>
Cc: Pgsql-Sql <pgsql-sql@postgresql.org>
Subject: Re: functions are returns columns
Date: Sat, 10 Nov 2007 19:36:09 +0000
Message-ID: <878x55dhau.fsf@oxford.xeocode.com> (raw)
In-Reply-To: <4735EC6F.5050908@unipex.it>
References: <4734B921.5050704@unipex.it>
<162867790711091235i7e77abcch27731d91285949b6@mail.gmail.com>
<4735EC6F.5050908@unipex.it>
"Michele Petrazzo - Unipex srl" <michele.petrazzo@unipex.it> writes:
> I try with:
> CREATE FUNCTION getfoo (IN int, OUT int, OUT int) AS $$
> SELECT fooid, foosubid FROM foo WHERE fooid = $1;
> $$ LANGUAGE SQL;
>
> but only one row returned...
You're almost there:
CREATE FUNCTION getfoo (IN int, OUT int, OUT int) returns setof record(int,int) AS $$
SELECT fooid, foosubid FROM foo WHERE fooid = $1;
$$ LANGUAGE SQL;
The return type if present has to match the OUT (and BOTH) parameters.
--
Gregory Stark
EnterpriseDB http://www.enterprisedb.com
Get trained by Bruce Momjian - ask me about EnterpriseDB's PostgreSQL training!
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To: pgsql-sql@postgresql.org
Cc: stark@enterprisedb.com, michele.petrazzo@unipex.it
Subject: Re: functions are returns columns
In-Reply-To: <878x55dhau.fsf@oxford.xeocode.com>
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