class CreateAdminNotes < ActiveRecord::Migration def self.up create_table :admin_notes do |t| t.string :resource_id, :null => false t.string :resource_type, :null => false t.references :admin_user, :polymorphic => true t.text :body t.timestamps end add_index :admin_notes, [:resource_type, :resource_id] add_index :admin_notes, [:admin_user_type, :admin_user_id] end def self.down drop_table :admin_notes end end