From: | David Nelson <dnelson77808(at)gmail(dot)com> |
---|---|
To: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: Showing a cumlative total by month |
Date: | 2015-09-11 15:47:59 |
Message-ID: | CANxyCUHudqiJhj18F0XLsBE5eWKPpeA5zCop7FVVSCm+1AgZ8w@mail.gmail.com |
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Lists: | pgsql-sql |
On Fri, Sep 11, 2015 at 10:15 AM, David G. Johnston <
david(dot)g(dot)johnston(at)gmail(dot)com> wrote:
>
> On Fri, Sep 11, 2015 at 10:46 AM, David Nelson <dnelson77808(at)gmail(dot)com>
wrote:
>>
>> I would like to add a running total column to the view, but can't quite
get there. I figured out how to show the information I want using a CTE,
but I can not figure out how to translate that to a single query to define
a view with. So I'm hoping someone can point me in the right direction.
>>
>
> --> http://www.postgresql.org/docs/9.3/interactive/functions-window.html
>
> David J.
>
Ha! How ironic. I made myself a note to try to understand windowing
functions
a couple of weeks ago due to a conversation on one of the PostgreSQL lists
regarding finding first and last values. Looks like that just got moved up
in priority.
Thanks!
I'll post that solution when I find it for posterity.
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