db/migrate/20111116133934_add_uuid_and_url_token_to_session.rb
class AddUuidAndUrlTokenToSession < ActiveRecord::Migration[4.2]
def change
add_column :sessions, :uuid, :string, size: 36
add_index :sessions, :uuid
add_column :sessions, :url_token, :string
add_index :sessions, :url_token
end
end