From: | Achilleas Mantzios <achill(at)matrix(dot)gatewaynet(dot)com> |
---|---|
To: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: Having the sum of two queries |
Date: | 2007-07-16 11:15:44 |
Message-ID: | 200707161415.45307.achill@matrix.gatewaynet.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-sql |
Στις Δευτέρα 16 Ιούλιος 2007 14:06, ο/η Dani Castaños έγραψε:
> Hi all!
>
> I want to do something like this:
>
> SELECT status, COUNT( status ) AS total
> FROM users
> GROUP BY status
>
> UNION
>
> SELECT status, COUNT(status) AS total
> FROM imported_users
> GROUP BY status
>
>
> And have the result of both added.
>
> I've tried something like
>
> SELECT tot.status, COUNT(total)
> FROM( QUERY A UNION QUERY B ) AS tot
> GROUP BY tot.status
>
> But it doesn't works. It doesn't add the total columns with the same
> status...
It should also be UNION ALL, just in case some status'es are common in the 2
subqueries.
>
> ---------------------------(end of broadcast)---------------------------
> TIP 7: You can help support the PostgreSQL project by donating at
>
> http://www.postgresql.org/about/donate
--
Achilleas Mantzios
From | Date | Subject | |
---|---|---|---|
Next Message | Roberto Spier | 2007-07-16 11:57:08 | Re: Having the sum of two queries |
Previous Message | Dani Castaños | 2007-07-16 11:06:21 | Having the sum of two queries |