From: Tomasz Myrta <jasiek@klaster.net>
To: pgsql-sql@postgresql.org
Cc: Ryan <pgsql-sql@seahat.com>
Subject: Re: aggregate question
Date: Tue, 24 Jun 2003 10:01:20 +0200
Message-ID: <3EF80550.7050508@klaster.net> (raw)
In-Reply-To: <3EF7797A.4040003@klaster.net>
References: <54717.65.102.128.233.1056394792.squirrel@fordparts.com>
<3EF7797A.4040003@klaster.net>
Dnia 2003-06-24 00:04, Użytkownik Tomasz Myrta napisał:
>
> select package_name,
> count(*) as n_packages
> from
> packages
> join package_log using (package_id);
>
> And one more:
> select package_name,
> sum(case when package_log.package_id is not null then 1 else 0 end)
> as n_packages
> from
> packages
> left join package_log using (package_id);
Add "group by package_name" to these queries...
Tomasz
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To: pgsql-sql@postgresql.org
Cc: jasiek@klaster.net, pgsql-sql@seahat.com
Subject: Re: aggregate question
In-Reply-To: <3EF80550.7050508@klaster.net>
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