--- /dev/null
+class Comment < ActiveRecord::Base
+ named_scope :containing_the_letter_e, :conditions => "comments.body LIKE '%e%'"
+
+ belongs_to :post, :counter_cache => true
+
+ def self.what_are_you
+ 'a comment...'
+ end
+
+ def self.search_by_type(q)
+ self.find(:all, :conditions => ["#{QUOTED_TYPE} = ?", q])
+ end
+end
+
+class SpecialComment < Comment
+ def self.what_are_you
+ 'a special comment...'
+ end
+end
+
+class VerySpecialComment < Comment
+ def self.what_are_you
+ 'a very special comment...'
+ end
+end