From: Gary Chambers <gwchamb@gmail.com>
To: Rob Sargent <robjsargent@gmail.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Join Advice and Assistance
Date: Mon, 22 Feb 2010 10:51:07 -0500
Message-ID: <302670f21002220751h6cc363fiad449314d961fcc0@mail.gmail.com> (raw)
In-Reply-To: <4B8211B2.6020406@gmail.com>
References: <302670f21002211525r65caee9et396c374a3cd64b0d@mail.gmail.com>
<4B8211B2.6020406@gmail.com>
Rob,
Thanks for the reply...
> If you want records for user without email addresses you will need an outer
> join on user_emailaddrs
>
> /* untested */
> select u.userId, u.lname, u.lastname ,m.startdate, a.emailaddr
> from users u
> join usermetas m on u.userid = m.userid
> left join user_emailaddrs a on m.userid = a.userid
My question was related more toward eliminating the query returning a
record for each record in the one-to-many table. I see now that I'm
going to have to aggregate the e-mail addresses in order to return a
single row. Thanks again.
-- Gary Chambers
/* Nothing fancy and nothing Microsoft! */
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To: pgsql-sql@postgresql.org
Cc: gwchamb@gmail.com, robjsargent@gmail.com
Subject: Re: Join Advice and Assistance
In-Reply-To: <302670f21002220751h6cc363fiad449314d961fcc0@mail.gmail.com>
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