Rename it accordingly.
{
            const auto & info = infos[i];
            json_out << double_quote << connections[i]->getDescription() << ": {\n";
            json_out << double_quote << "statistics" << ": {\n";
            double seconds = info->work_time / concurrency;
            print_key_value("QPS", info->queries.load() / seconds);
            print_key_value("RPS", info->read_rows / seconds);
            print_key_value("MiBPS", info->read_bytes / seconds / 1048576);
            print_key_value("RPS_result", info->result_rows / seconds);
            print_key_value("MiBPS_result", info->result_bytes / seconds / 1048576);
            print_key_value("num_queries", info->queries.load());
            print_key_value("num_errors", info->errors, false);
            json_out << "},\n";
            json_out << double_quote << "query_time_percentiles" << ": {\n";
            if (info->queries != 0)
            {
                for (int percent = 0; percent <= 90; percent += 10)
                    print_percentile(*info, percent);
                print_percentile(*info, 95);
                print_percentile(*info, 99);
                print_percentile(*info, 99.9);
                print_percentile(*info, 99.99, false);
            }
            json_out << "}\n";
            json_out << (i == infos.size() - 1 ? "}\n" : "},\n");
        }
        json_out << "}\n";
    }
public:
    ~Benchmark() override