Re: [GENERAL] JOIN exclusion problem

From: Anja Speerforck <anja(at)damn(dot)com>
To: Chris Bitmead <cbitmead(at)ozemail(dot)com(dot)au>, Peter Eisentraut <peter(at)pathwaynet(dot)com>
Cc: pgsql-general(at)postgreSQL(dot)org
Subject: Re: [GENERAL] JOIN exclusion problem
Date: 1999-07-01 08:46:08
Message-ID: Version.32.19990701104208.00e339c0@chet.brysonweb.com
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Thank you both for your replies. Unfortunately, the AND solution doesn't
work since individuals who have a value for ap.kunden_nr are not likely to
have one for ap.agentur_nr -- they are two fairly distinct groups. When I
insert AND, the results are blank.

Any other suggestions?

At 16:23 01.07.99 +1000, you wrote:
>Try using AND instead of OR.
>

>> SELECT apartner_nr, ap.anrede, ap.vorname, ap.nachname, ap.telefon, ap.fax,
>> ap.email, ap.kunden_nr, k.name1, ap.agentur_nr, ag.name1
>> FROM ansprechpartner ap, kunden k, agenturen ag
>> WHERE ap.kunden_nr = k.kunden_nr OR ap.agentur_nr = ag.agentur_nr
>> ORDER BY nachname"

> SELECT apartner_nr, ap.anrede, ap.vorname, ap.nachname, ap.telefon, ap.fax,
> ap.email, ap.kunden_nr, k.name1, ap.agentur_nr, ag.name1
> FROM ansprechpartner ap, kunden k, agenturen ag
> WHERE ap.kunden_nr = k.kunden_nr OR ap.agentur_nr = ag.agentur_nr
^^
You might wanna try an AND there.

> ORDER BY nachname"

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