From: Keith Worthington <KeithW@NarrowPathInc.com>
To: pgsql-sql@postgresql.org
Cc: John McGough <goff@funkster.org.uk>
Subject: Re: SQL query help?
Date: Mon, 07 Mar 2005 23:36:40 -0500
Message-ID: <422D2BD8.2070806@NarrowPathInc.com> (raw)
In-Reply-To: <393ddoF5pqrfaU1@individual.net>
References: <393ddoF5pqrfaU1@individual.net>
John McGough wrote:
>SELECT Count(*) FROM Work WHERE (UserID='user1' AND MAX(Finished)=0)
>
>Work:-
>+---+-------+--------+---------+----------+
> | ID | JobID | UserID | Finished | Comment |
>+---+-------+--------+---------+----------+
> | 1 | 1 | user1 | 0 | ... |
> | 2 | 1 | user1 | 1 | ... |
> | 3 | 2 | user2 | 0 | ... |
> | 4 | 3 | user1 | 0 | ... |
> | 5 | 2 | user2 | 0 | ... |
> | 6 | 2 | user1 | 1 | ... |
> | 7 | 3 | user1 | 0 | ... |
>+---+-------+--------+---------+----------+
>
>All I want it to do is return the number of unfinished jobs for a specific
>user.
>
>In this example it would return 1 because job number 3 is not finished and
>user1 was the last person working on it.
>
>but I keep getting MySQL error #1111 - Invalid use of group function
>
>
John,
I may be missing something but how about
SELECT count(id) AS unfinished
FROM work
WHERE userid = 'user1'
AND finished = 0
GROUP BY jobid;
--
Kind Regards,
Keith
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To: pgsql-sql@postgresql.org
Cc: KeithW@NarrowPathInc.com, goff@funkster.org.uk
Subject: Re: SQL query help?
In-Reply-To: <422D2BD8.2070806@NarrowPathInc.com>
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