Simply display zero if it's less or equals to 0.
while (true
    if (isNewYearMode())
        std::cout << "Happy new year." << std::endl;
    else if (isChineseNewYearMode(local_tz))
        std::cout << "Happy Chinese new year. 春节快乐!" << std::endl;
    else
        std::cout << "Bye." << std::endl;
}
void ClientBase::runNonInteractive()
{
    if (delayed_interactive)
        initQueryIdFormats(
    if (!queries_files.empty())
    {
        auto process_multi_query_from_file = [&](const String & file)
        {
            String queries_from_file;
            ReadBufferFromFile in(file
            readStringUlEOF(queries_from_file, in
            return executeMultiQuery(queries_from_file
        };
        for (const auto & queries_file : queries_files)
        {
            for (const auto & interleave_file : interleave_queries_files)
                if (!process_multi_query_from_file(interleave_file))
                    return;
            if (!process_multi_query_from_file(queries_file))
                return;
        }
        return;