-class SplitExpiryToTrashAndDelete < ActiveRecord::Migration
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
+class SplitExpiryToTrashAndDelete < ActiveRecord::Migration[4.2]
def up
Collection.transaction do
add_column(:collections, :trash_at, :datetime)