Simply display zero if it's less or equals to 0.
}
/// To cancel the query on local format error.
class LocalFormatError : public DB::Exception
{
public:
    using Exception::Exception;
};
ClientBase::~ClientBase() = default;
ClientBase::ClientBase() = default;
void ClientBase::setupSignalHandler()
{
    QueryInterruptHandler::stop(
    struct sigaction new_act;
    memset(&new_act, 0, sizeof(new_act)
    new_act.sa_handler = interruptSignalHandler;
    new_act.sa_flags = 0;
#if defined(OS_DARWIN)
    sigemptyset(&new_act.sa_mask
#else
    if (sigemptyset(&new_act.sa_mask))
        throwFromErrno("Cannot set signal handler.", ErrorCodes::CANNOT_SET_SIGNAL_HANDLER
#endif
    if (sigaction(SIGINT, &new_act, nullptr))
        throwFromErrno("Cannot set signal handler.", ErrorCodes::CANNOT_SET_SIGNAL_HANDLER
}
ASTPtr ClientBase::parseQuery(const char *& pos, const char * end, bool allow_multi_statements) const
{
    ParserQuery parser(end, global_context->getSettings().allow_settings_after_format_in_insert
    ASTPtr res;
    const auto & settings = global_context->getSettingsRef(