First checkin

db/migrate/20130104142209_create_comments.rb

@@ -0,0 +1,19 @@
+class CreateComments < ActiveRecord::Migration
+  def self.up
+    create_table :comments do |t|
+      t.string :title, :limit => 50, :default => "" 
+      t.text :comment
+      t.references :commentable, :polymorphic => true
+      t.references :user
+      t.timestamps
+    end
+
+    add_index :comments, :commentable_type
+    add_index :comments, :commentable_id
+    add_index :comments, :user_id
+  end
+
+  def self.down
+    drop_table :comments
+  end
+end