Message-ID: <4B82B960.3060901@gmail.com>
Date: Mon, 22 Feb 2010 10:05:36 -0700
From: Rob Sargent <robjsargent@gmail.com>
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To: Gary Chambers <gwchamb@gmail.com>
CC: pgsql-sql@postgresql.org
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Subject: Re: Join Advice and Assistance

My mistake.  Should answer these things late at night.

I think you will find that arrays will be your friend[s]

On 02/22/2010 08:51 AM, Gary Chambers wrote:
> 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! */