Simply display zero if it's less or equals to 0.
}
            }
            /// Poll for changes after a cancellation check, otherwise it never reached
            /// because of progress updates from server.
            if (connection->poll())
                break;
        }
        try
        {
            if (!receiveAndProcessPacket(parsed_query, cancelled))
                break;
        }
        catch (const LocalFormatError &)
        {
            local_format_error = std::current_exception(
            connection->sendCancel(
        }
    }
    if (local_format_error)
        std::rethrow_exception(local_format_error
    if (cancelled && is_interactive)
        std::cout << "Query was cancelled." << std::endl;
}
/// Receive a part of the result, or progress info or an exception and process it.
/// Returns true if one should conue receiving packets.
/// Output of result is suppressed if query was cancelled.
bool ClientBase::receiveAndProcessPacket(ASTPtr parsed_query, bool cancelled_)
{
    Packet packet = connection->receivePacket(
    switch (packet.type)