vendor/rails/activerecord/test/models/category.rb

   1 class Category < ActiveRecord::Base
   2   has_and_belongs_to_many :posts
   3   has_and_belongs_to_many :special_posts, :class_name => "Post"
   4   has_and_belongs_to_many :other_posts, :class_name => "Post"
   5   has_and_belongs_to_many :posts_with_authors_sorted_by_author_id, :class_name => "Post", :include => :authors, :order => "authors.id"
   6
   7   has_and_belongs_to_many(:select_testing_posts,
   8                           :class_name => 'Post',
   9                           :foreign_key => 'category_id',
  10                           :association_foreign_key => 'post_id',
  11                           :select => 'posts.*, 1 as correctness_marker')
  12
  13   has_and_belongs_to_many :post_with_conditions,
  14                           :class_name => 'Post',
  15                           :conditions => { :title => 'Yet Another Testing Title' }
  16
  17   has_and_belongs_to_many :popular_grouped_posts, :class_name => "Post", :group => "posts.type", :having => "sum(comments.post_id) > 2", :include => :comments
  18   has_and_belongs_to_many :posts_gruoped_by_title, :class_name => "Post", :group => "title", :select => "title"
  19
  20   def self.what_are_you
  21     'a category...'
  22   end
  23
  24   has_many :categorizations
  25   has_many :authors, :through => :categorizations, :select => 'authors.*, categorizations.post_id'
  26 end
  27
  28 class SpecialCategory < Category
  29
  30   def self.what_are_you
  31     'a special category...'
  32   end
  33
  34 end