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From: Oliver Elphick <[email protected]>
To: Hicham G. Elmongui <[email protected]>
Cc: [email protected]
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: <[email protected]>
References: <[email protected]>

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                                          [email protected]
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 
      give grace and glory; no good thing will he withhold 
      from them that walk uprightly."        Psalms 84:11 





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