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class Category < ActiveRecord::Base
has_and_belongs_to_many :posts
has_and_belongs_to_many :special_posts, :class_name => "Post"
has_and_belongs_to_many :other_posts, :class_name => "Post"
has_and_belongs_to_many :posts_with_authors_sorted_by_author_id, :class_name => "Post", :include => :authors, :order => "authors.id"
has_and_belongs_to_many(:select_testing_posts,
:class_name => 'Post',
:foreign_key => 'category_id',
:association_foreign_key => 'post_id',
:select => 'posts.*, 1 as correctness_marker')
has_and_belongs_to_many :post_with_conditions,
:class_name => 'Post',
:conditions => { :title => 'Yet Another Testing Title' }
has_and_belongs_to_many :popular_grouped_posts, :class_name => "Post", :group => "posts.type", :having => "sum(comments.post_id) > 2", :include => :comments
has_and_belongs_to_many :posts_gruoped_by_title, :class_name => "Post", :group => "title", :select => "title"
def self.what_are_you
'a category...'
end
has_many :categorizations
has_many :authors, :through => :categorizations, :select => 'authors.*, categorizations.post_id'
end
class SpecialCategory < Category
def self.what_are_you
'a special category...'
end
end
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