# frozen_string_literal: true class AddColumnForSelfMonitoringProjectId < ActiveRecord::Migration[5.2] DOWNTIME = false def change add_reference( :application_settings, :instance_administration_project, index: { name: 'index_applicationsettings_on_instance_administration_project_id' }, foreign_key: { to_table: :projects, on_delete: :nullify } ) end end