Hi well there is no School.subjects.teachers in your case.
You should do something like this :
count = 0
@school.subjects.each {|s| count += s.teachers.count}
It is possible that you could use inject above to shorten it a bit, but not
sure about that in this case.
On Tue, May 11, 2010 at 07:38, David Zhu <[email protected]> wrote:
> OK,
>
>
> But right now, i have--
>
> Schools has many subjects, subjects has many teachers
>
> So instead of-- @totalcount = @school.subjects.count (that just
> cuonts how many subjects are in the school)
>
> how can i count the teachers in that school? maybe something similar
> to @totalcount = @school.subjects.teachers.count, or something like
> that
>
> Do you understand? Thanks for your help!!
>
> --
> You received this message because you are subscribed to the Google Groups
> "Ruby on Rails: Talk" group.
> To post to this group, send email to [email protected].
> To unsubscribe from this group, send email to
> [email protected]<rubyonrails-talk%[email protected]>
> .
> For more options, visit this group at
> http://groups.google.com/group/rubyonrails-talk?hl=en.
>
>
--
Thanks & Regards,
Dhruva Sagar.
--
You received this message because you are subscribed to the Google Groups "Ruby
on Rails: Talk" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to
[email protected].
For more options, visit this group at
http://groups.google.com/group/rubyonrails-talk?hl=en.
