From: | Franco Bruno Borghesi <franco(at)akyasociados(dot)com(dot)ar> |
---|---|
To: | ben(dot)schneider(at)comcast(dot)net |
Cc: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: Help with pivoting tables |
Date: | 2003-09-29 20:17:30 |
Message-ID: | 1064866650.42797.1.camel@taz |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-sql |
would
SELECT
groupid, activity_date,
sum(TMP.Attended) AS Attended,
sum(TMP.Unexcused) AS Unexcused,
sum(TMP.Absent) AS Absent,
sum(TMP.Called) AS Called
FROM (
SELECT groupid, activity_date,
count(CASE activity_subcode WHEN 100 THEN 1 ELSE NULL END) AS
Attended,
count(CASE activity_subcode WHEN 101 THEN 1 ELSE NULL END) AS
Unexcused,
count(CASE activity_subcode WHEN 102 THEN 1 ELSE NULL END) AS Absent,
count(CASE activity_subcode WHEN 103 THEN 1 ELSE NULL END) AS Called,
count(*) AS total
FROM activity
WHERE activity_date BETWEEN '06/02/2003' AND '06/06/2003'
GROUP BY groupid, activity_date, activity_subcode
ORDER BY groupid, activity_date
) TMP
GROUP BY groupid, activity_date
ORDER BY groupid, activity_date
do what you want?
On Mon, 2003-09-29 at 16:50, Ben Schneider wrote:
> Hi,
>
> I am having some diffuculty with pivoting the results of a query. I am using
> the following SQL in an attempt to aggreate the data from a table.
>
> ------Begin Query------
>
> SELECT groupid, activity_date,
> count(CASE activity_subcode WHEN 100 THEN 1 ELSE NULL END) AS Attended,
> count(CASE activity_subcode WHEN 101 THEN 1 ELSE NULL END) AS Unexcused,
> count(CASE activity_subcode WHEN 102 THEN 1 ELSE NULL END) AS Absent,
> count(CASE activity_subcode WHEN 103 THEN 1 ELSE NULL END) AS Called,
> count(*) AS total
> FROM activity
> WHERE activity_date BETWEEN '06/02/2003' AND '06/06/2003'
> GROUP BY groupid, activity_date, activity_subcode
> ORDER BY groupid, activity_date
>
> ------End Query------
>
> The output is coming back like:
>
> Groupid activity_date attended unexcused absent called total
> ---------------------------------------------------------------------
> BNEIO 2003-06-04 7 0 0 0 7
> BNEIO 2003-06-04 0 2 0 0 2
> BNEIO 2003-06-05 4 0 0 0 4
> BNEIO 2003-06-05 0 5 0 0 5
>
> I need the output to come back with the groups_id and activity_date combined
> to look like this:
>
> Groupid activity_date attended unexcused absent called total
> ---------------------------------------------------------------------
> BNEIO 2003-06-04 7 2 0 0 9
> BNEIO 2003-06-05 4 5 0 0 9
>
> Any ideas?
>
> Thanks,
> Ben
>
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