From: | Octavio Alvarez <alvarezp(at)alvarezp(dot)ods(dot)org> |
---|---|
To: | Paolo Saudin <paolo(at)ecometer(dot)it> |
Cc: | Adrian Klaver <aklaver(at)comcast(dot)net>, pgsql-general(at)postgresql(dot)org |
Subject: | Re: R: R: How to check if 2 series of data are equal |
Date: | 2009-02-13 04:46:20 |
Message-ID: | 1234500380.23861.4.camel@localhost.localdomain |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-general |
On Thu, 2009-02-12 at 14:21 -0800, Adrian Klaver wrote:
> On Thursday 12 February 2009 11:37:37 am Paolo Saudin wrote:
>
>
> SELECT fulldate,sensor
> FROM (SELECT fulldate,sensor,count(sensor)
> FROM (SELECT 1 AS station, fulldate, meanvalue AS sensor FROM table1
> UNION
> SELECT 2, fulldate, meanvalue FROM table2 ORDER BY
> fulldate,sensor) AS x
> GROUP BY fulldate,sensor) AS y
> WHERE y.count>1;
>
>
> and got-
>
> fulldate | sensor
> ---------------------+--------
> 2009-01-01 00:00:00 | 12.3
> 2009-01-01 02:00:00 | 82.1
> 2009-01-01 03:00:00 | 79.8
> 2009-01-01 04:00:00 | 77.2
You might want to do a UNION with all your tables to add a field to
identify the table, and use min() and max() to show the offending
tables.
From | Date | Subject | |
---|---|---|---|
Next Message | Oleg Bartunov | 2009-02-13 06:55:04 | Re: TSearch queries with multiple languages |
Previous Message | Craig Ringer | 2009-02-13 03:13:05 | Re: audit table |