Re: Query having issues...

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От Jim Buttafuoco
Тема Re: Query having issues...
Дата
Msg-id 200209131347.g8DDlSb00689@server3.spectrumtelecorp.com
обсуждение исходный текст
Ответ на Query having issues...  (Chris Bowlby <excalibur@hub.org>)
Ответы Re: Query having issues...  (Chris Bowlby <excalibur@hub.org>)
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Chris,

I believe its the order of your "FROM" clause.

try

      FROM contact co
      LEFT JOIN account_info a ON (co.contact_id = a.contact_id)
      LEFT JOIN company c ON (co.company_id = c.company_id)


Jim

> Hi All,
>
>  I've got a PostgreSQL 7.2.1 server running on FreeBSD 4.7 PRERELEASE,
> with loads of memory and disk space, but I keep getting an error with this
> query and I can not, for the life of me, figure out what is causing it:
>
>      SELECT co.first_name, co.last_name, co.email_address,
>             a.password, c.company_number
>      FROM contact co, domain d
>      LEFT JOIN account_info a ON (co.contact_id = a.contact_id)
>      LEFT JOIN company c ON (co.company_id = c.company_id)
>      WHERE d.domain_id = '666'
>      AND d.company_id = co.company_id;
>
> I keep getting this error:
>
>   Relation "co" does not exist.
>
> But if I strip the query down to this:
>
>      SELECT co.first_name, co.last_name, co.email_address
>      FROM contact co, domain d
>      WHERE d.domain_id = '666'
>      AND d.company_id = co.company_id;
>
> It works with out a hitch, so I think I'm right in saying that the left
> joins are throwing it off somehow. The funny part is that I've been
> working with queries exactly like this first one with other areas of my
> database and they do not complain...
>
> any one got any ideas? Ran into this before? As far as I can tell that
> first query is right..
>
>  Chris Bowlby,
>  -----------------------------------------------------
>  Manager of Information and Technology.
>  excalibur@hub.org
>  www.hub.org
>  1-902-542-3657
>  -----------------------------------------------------
>
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