```
SELECT roundBankers(mannWhitneyUTest('greater')(left, right).1, 16) as t_stat, roundBankers(mannWhitneyUTest('greater')(left, right).2, 16) as p_value FROM mann_whitney FORMAT TabSeparatedWithNames;
```

https://clickhouse-test-reports.s3.yandex.net/18488/1ddea6d7eed5cadce087cf19e51413440571a472/stress_test_(undefined)/stderr.log
{
        if (data(rhs).value.empty()) 
            return;
        auto & a = data(place);
        auto & b = data(rhs);
        if (b.total_values <= max_elems)
        {
            for (size_t i = 0; i < b.value.size(); ++i)
                insert(a, b.value[i], arena);
        }
        else if (a.total_values <= max_elems)
        {
            decltype(a.value) from;
            from.swap(a.value, arena);
            for (auto & node : b.value)
                a.value.push_back(node->clone(arena), arena);
            a.total_values = b.total_values;
            for (size_t i = 0; i < from.size(); ++i)
                insert(a, from[i], arena);