-class AddOutputTtlToContainerRequests < ActiveRecord::Migration
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
+class AddOutputTtlToContainerRequests < ActiveRecord::Migration[4.2]
def change
add_column :container_requests, :output_ttl, :integer, default: 0, null: false
end