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class Post < ActiveRecord::Base
belongs_to :author
has_many :comments, :order => "body"
has_one :very_special_comment, :class_name => "VerySpecialComment"
has_many :special_comments, :class_name => "SpecialComment"
has_and_belongs_to_many :categories
has_and_belongs_to_many :special_categories, :join_table => "categories_posts"
def self.what_are_you
'a post...'
end
end
class SpecialPost < Post; end;
class StiPost < Post
has_one :special_comment, :class_name => "SpecialComment"
end
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