If they are defined, they can override table-level settings.
{
            UInt64 total_size_of_part = 0;
            Strings filenames = backup->listFiles(data_path_in_backup + part_name + "/", "");
            for (const String & filename : filenames)
                total_size_of_part += backup->getFileSize(data_path_in_backup + part_name + "/" + filename);
            std::shared_ptr<IReservation> reservation = storage->getStoragePolicy()->reserveAndCheck(total_size_of_part);
            auto disk = reservation->getDisk();
            String relative_data_path = storage->getRelativeDataPath();
            auto temp_part_dir_owner = std::make_shared<TemporaryFileOnDisk>(disk, relative_data_path + "restoring_" + part_name + "_");
            String temp_part_dir = temp_part_dir_owner->getPath();
            disk->createDirectories(temp_part_dir);
            assert(temp_part_dir.starts_with(relative_data_path));
            String relative_temp_part_dir = temp_part_dir.substr(relative_data_path.size());
            for (const String & filename : filenames)
            {
                auto backup_entry = backup->readFile(fs::path(data_path_in_backup) / part_name / filename);
                auto read_buffer = backup_entry->getReadBuffer();