# frozen_string_literal: true class RemoveIndexNotificationsOnAccountActivity < ActiveRecord::Migration[5.2] disable_ddl_transaction! def up remove_index :notifications, name: :account_activity remove_index :notifications, name: :index_notifications_on_account_id_and_id end def down add_index :notifications, [:account_id, :activity_id, :activity_type], unique: true, name: 'account_activity', algorithm: :concurrently add_index :notifications, [:account_id, :id], order: { id: :desc }, algorithm: :concurrently end end