[Rails] Finding by association

M Daggett
2006-01-12T06:06:50Z

Hi Jason,
I could be totally missing your point but I think that rails provides
you the ability to do this
@o = myClass1.class2s

@o will now contain an array of all the class2 objects collected in
that instance of myClass1


Mark

On 1/11/06, Jason Fox <jfoxny@gmail.com> wrote:
> I have two objects that are associated in the following way:
>
>   class Class1 < ApplicationController
>     has_and_belongs_to_many :class2s
>     has_and_belongs_to_many :otherClasses
>   end
>
>   class Class2 < ApplicationController
>     has_and_belongs_to_many :class1s
>     has_and_bleongs_to_many :otherClasses
>   end
>
> Now, when I run the following query,
>
>   @objects = Class1.find(:all, :conditions => ["class2s.id =
?",
> params[:id]], :include => :class2s)
>
> I expect to get a collection of Class1 objects wihere each Class1 object
> would have a fully loaded collection of Class2 objects (since I asked to
> :include => :class2s).  However, instead, I get a collection of Class1
> objects that only have a single Class2 object in their class2s
> collection (the Class2 object with the id that I specified in the
> conditions clause).
>
> I''m thinking this might have something to do with the habtm bug
that is
> floating around, but am not sure.  Am I doing this right?  Any ideas?
>
> - Jason
>
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I am Mark Daggett and I approve this message.