Re: Left outer join with WHERE clause?

From: DI Hasenöhrl <i(dot)hasenoehrl(at)aon(dot)at>
To: <match(at)langille(dot)org>
Cc: <pgsql-sql(at)postgresql(dot)org>
Subject: Re: Left outer join with WHERE clause?
Date: 2002-03-28 13:51:56
Message-ID: 003e01c1d65f$b9a01d80$01011eac@irina
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Thank you very much, for your advice, but something is still wrong, because it doesn't work.

I get the following message: parse error at or near "on"

I tried the Left Join with an easier query, but it still doesn't work. Maybe you see, what I'm making wrong
select artikel.a_nr,artikel.a_bez1,artikel.a_bez2 from Artikel
LEFT JOIN (vartikellieferantbez ON (artikel.a_nr = vartikellieferantbez.a_nr AND vartikellieferantbez.f_nr=1 ));

Many thanks,
Irina
----- Original Message -----
From: Dan Langille
To: DI Hasenöhrl
Cc: pgsql-sql(at)postgresql(dot)org
Sent: Thursday, March 28, 2002 2:10 PM
Subject: Re: [SQL] Left outer join with WHERE clause?

On 28 Mar 2002 at 13:58, DI Hasenöhrl wrote:

> It doesn't work too: LEFT JOIN (vartikellieferantbez ON
> artikel.a_nr = vartikellieferantbez.a_nr WHERE
> ((vartikellieferantbez.f_nr)=1)

Your "where" clause for an OUTER JOIN is actually the ON statement. So do this:

LEFT JOIN (vartikellieferantbez ON (artikel.a_nr = vartikellieferantbez.a_nr AND
vartikellieferantbez.f_nr = 1))

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