-class AddCreatedByJobTaskToJobTasks < ActiveRecord::Migration
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
+class AddCreatedByJobTaskToJobTasks < ActiveRecord::Migration[4.2]
def change
add_column :job_tasks, :created_by_job_task, :string
end