| From: | Kevin Hunter <hunteke(at)earlham(dot)edu> |
|---|---|
| To: | Loredana Curugiu <loredana(dot)curugiu(at)gmail(dot)com> |
| Cc: | PostgreSQL Novice List <pgsql-novice(at)postgresql(dot)org> |
| Subject: | Re: Count rows group by time intervals |
| Date: | 2007-05-09 13:39:21 |
| Message-ID: | 58BD097B-42B3-49D4-96DA-D7805F077C91@earlham.edu |
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| Thread: | |
| Lists: | pgsql-novice |
At 8:07a -0400 on 09 May 2007, Loredana Curugiu wrote:
> I have the following table:
>
> theme | receiver | date
> ---------+----------------------+------------------------
> LIA | +40741775622 | 2007-04-27 00:00:00+00
> LIA | +40741775622 | 2007-04-25 00:00:00+00
> MIA | +40741775622 | 2007-04-27 00:00:00+00
> MIA | +40741775622 | 2007-05-09 00:00:00+00
>
> I would like to count rows group by theme, receiver, and time
> intervals of
> two days. I don't know how to start.
Should get you started:
SELECT
COUNT( * ),
theme,
receiver,
date
FROM
yourTable
GROUP BY
theme,
receiver,
date
;
Kevin
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