From: Pedro Santos <pedro.santos@...>
Date: 2005-02-13T20:04:59+09:00
Subject: Re: Rails: has_and_belongs_to_many

Thanks, I had missed the

     collection.push_with_attributes(object, join_attributes)

method in the "has_and_belongs_to_many" meta-method description.

Pedro

in article dcedf5e205021219371950808d@mail.gmail.com, Cameron McBride at
cameron.mcbride@gmail.com wrote on 05/02/13 3:38 AM:

> Greetings,
> 
>> I am experimenting with Rails, and I have the following question regarding
>> ActiveRecord.
> 
> first off, the rails list might usually be more helpful (quicker) with
> rails questions rather than ruby-talk.
> 
>> If I want to model a situation where a many to many relationship has some
>> fields associated with it, is there any way to do it with ActiveRecord?
>> 
>> For instance, if several stores have product inventory I would have a many
>> to many relation between the "products" table and the "stores" table, with
>> the quantity stored in the table "stores_products".
> 
> um, yes.   but like your subject says, it's the
> has_and_belongs_to_many part that does EXACTLY what you're talking
> about.  in good faith, here is the link:
> http://ar.rubyonrails.org/classes/ActiveRecord/Associations/ClassMethods.html#
> M000011
> 
> or look at the 'associations.rb' in the examples directory of AR.
> 
> Cameron
> 
>