Re: simple join problem

From: "Matthew Nuzum" <cobalt(at)bearfruit(dot)org>
To: <josh(at)agliodbs(dot)com>, "'Matthew Nuzum'" <cobalt(at)bearfruit(dot)org>, <pgsql-sql(at)postgresql(dot)org>
Subject: Re: simple join problem
Date: 2003-02-19 21:15:25
Message-ID: 004001c2d85c$05d214c0$6900a8c0@mattspc
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-sql

> >
> > Here's my view definition:
> > SELECT
> > users.uid, users.loginid, users."password", users.title,
> > users.firstname, users.middlename, users.lastname, users.suffix,
> > users.organization, users.job_title, users_address.address1,
> > users_address.address2, users_address.address3, users_address.city,
> > users_address.state, users_address.zip, users_address.country,
> > users_email.email, users_phone.phone
> > FROM (((users
> > LEFT JOIN users_address ON ((users.uid = users_address.uid AND
> users_address.primary = TRUE)))
> > LEFT JOIN users_email ON ((users.uid = users_email.uid and
> users_email.primary = TRUE)))
> > LEFT JOIN users_phone ON ((users.uid = users_phone.uid and
> users_phone.primary = TRUE))) ;
>
> It's a neat trick that join conditions can be *any* expression that
> evaluates
> to a boolean value.

That is a neat trick. Thanks for the info everyone. I feel better knowing
that even though it was a simple problem it's not quite as obvious as I
thought.

--
Matthew Nuzum
www.bearfruit.org
cobalt(at)bearfruit(dot)org

In response to

Responses

Browse pgsql-sql by date

  From Date Subject
Next Message Josh Berkus 2003-02-19 22:22:04 Re: PL/PGSQL EDITOR
Previous Message JBJ 2003-02-19 20:53:21 Re: once again, sorting with Unicode