# frozen_string_literal: true class AddForeignKeyToIncidentManagementTimelineEventsOnNote < Gitlab::Database::Migration[1.0] disable_ddl_transaction! def up add_concurrent_foreign_key :incident_management_timeline_events, :notes, column: :promoted_from_note_id, on_delete: :nullify end def down with_lock_retries do remove_foreign_key :incident_management_timeline_events, column: :promoted_from_note_id end end end