From: Oliver Elphick <olly@lfix.co.uk>
To: Hicham G. Elmongui <elmongui@cs.purdue.edu>
Cc: pgsql-docs@postgresql.org
Subject: Re: code in docs gives me an error
Date: Wed, 20 Oct 2004 16:52:50 +0100
Message-ID: <1098287570.24233.32.camel@linda> (raw)
In-Reply-To: <cl37t2$95f$1@news.hub.org>
References: <cl37t2$95f$1@news.hub.org>
On Tue, 2004-10-19 at 15:21, Hicham G. Elmongui wrote:
> I tried creating the function (from sec 19.3.1). But it gives me the
> following error: "ERROR: type tablename does not exist".
> Any ideas of what i might be doing wrong?
>
> CREATE FUNCTION use_many_fields(tablename) RETURNS TEXT AS '
You are passing a composite type for a row from the table called
"tablename"; such a table does not exist. Use the name of a table that
actually exists (and has the fields named in the RETURN statement).
> DECLARE
> in_t ALIAS FOR $1;
> BEGIN
> RETURN in_t.f1 || in_t.f3 || in_t.f5 || in_t.f7;
> END;
> ' LANGUAGE 'plpgsql';
--
Oliver Elphick olly@lfix.co.uk
Isle of Wight http://www.lfix.co.uk/oliver
GPG: 1024D/A54310EA 92C8 39E7 280E 3631 3F0E 1EC0 5664 7A2F A543 10EA
========================================
"For the LORD God is a sun and shield; the LORD will
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from them that walk uprightly." Psalms 84:11
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To: pgsql-docs@postgresql.org
Cc: olly@lfix.co.uk, elmongui@cs.purdue.edu
Subject: Re: code in docs gives me an error
In-Reply-To: <1098287570.24233.32.camel@linda>
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