-class AddUseExistingToContainerRequests < ActiveRecord::Migration
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
+class AddUseExistingToContainerRequests < ActiveRecord::Migration[4.2]
def up
add_column :container_requests, :use_existing, :boolean, :default => true
end