From: Greg Ma <gregorylepacha@...>
Date: 2010-02-16T15:17:23+09:00
Subject: Re: Find by association table

Josh Cheek wrote:
> On Mon, Feb 15, 2010 at 11:49 PM, Greg Ma <gregorylepacha@msn.com> 
> wrote:
> 
>> #method
>> > Greg
>>
>> --
>> Posted via http://www.ruby-forum.com/.
>>
>>
> Based on the similar topic to your previous post, which seemed to be a 
> Rails
> application (if you recall, I suggested you would have more luck at the
> Rails mailing list http://groups.google.com/group/rubyonrails-talk ), I
> would suggest that you should have an association between students and 
> tags.
> Probably a has_and_belongs_to_many association through a join table (
> http://guides.rubyonrails.org/association_basics.html#the-has-and-belongs-to-many-association).
 It is a he-has-and-belongs-to-many-association
> If this is the case, then you should be able to simply say:
> def find_students_by_tag(tag)
>   tag.students
> end

No i cannot do this because the parameter isnt a tag object but just a 
string.
I guess i could try this
def find_students_by_tag(tag)
  res = Tag.find_by_name(tag)
  res.students unless res
end
-- 
Posted via http://www.ruby-forum.com/.