# frozen_string_literal: true class AddIndexOnNoteableTypeAndNoteableIdToSentNotifications < ActiveRecord::Migration[6.0] include Gitlab::Database::MigrationHelpers DOWNTIME = false INDEX_NAME = 'index_sent_notifications_on_noteable_type_noteable_id' disable_ddl_transaction! def up add_concurrent_index :sent_notifications, [:noteable_id], name: INDEX_NAME, where: "noteable_type = 'Issue'" end def down remove_concurrent_index_by_name :sent_notifications, INDEX_NAME end end