| From: | Mischa Sandberg <mischa(dot)sandberg(at)telus(dot)net> |
|---|---|
| To: | pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: sum but not grouped by? |
| Date: | 2005-08-05 16:47:55 |
| Message-ID: | 1123260475.42f3983bafe6d@webmail.telus.net |
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| Lists: | pgsql-sql |
Quoting Henry Ortega <juandelacruz(at)gmail(dot)com>:
> I have the ff data:
>
> id | date | hours
> AAA 07-01-2005 3
> AAA 07-02-2005 4
> BBB 07-01-2005 6
> BBB 07-02-2005 2
> BBB 07-03-2005 7
>
> Would it be possible to get the ff:
>
> id | date | hours | id_total
> AAA 07-01-2005 3 7
> AAA 07-02-2005 4 7
> BBB 07-01-2005 6 15
> BBB 07-02-2005 2 15
> BBB 07-03-2005 7 15
>
> So it's like SUM OF, but not Grouped By? Is this possible at all?
> Thank you for any help.
You're really joining two sets:
select FFDATA.id, FFDATA.date, FFDATA.hours, FFSUM.id_total
from FFDATA
join (select id, sum(hours) as id_total
from FFDATA group by id
) as FFSUM using(id)
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