-class SetCurrentVersionUuidOnCollections < ActiveRecord::Migration
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
+class SetCurrentVersionUuidOnCollections < ActiveRecord::Migration[4.2]
def up
# Set the current version uuid as itself
Collection.where(current_version_uuid: nil).update_all("current_version_uuid=uuid")