From: Roger Pack <rogerpack2005@...>
Date: 2008-04-29T01:21:51+09:00
Subject: Re: Count uniques ?

You can substract datetimes to get the difference between them in seconds.
Time.now - Time.now
Use that to average?

On Mon, Apr 28, 2008 at 5:53 AM, Adriano Lul <adrianod@gmail.com> wrote:
> I need to know how I use the count function to have a sum of days
>  ie: I have several transactions in several days like hmmm Tasks
>  Task -> id, price, day , description
>
>  so in every day I did some tasks
>  I sum them with the Task.sum(:price)
>  but I want to do an automatized way to have an average description (sum
>  / days )
>  how can I do it ?
>  ps: day is datetime ...
>  --
>  Posted via http://www.ruby-forum.com/.
>
>