class CreateAdminNotes

def self.down
  drop_table :admin_notes
end

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