``` sql
SELECT NULL, uniqUpTo(2)([[], [], ['', 'aa', NULL], ['\0\0', '\0'], []], x) FROM (SELECT arrayJoin([[uniq(['aaaa', NULL, '', ''], [[], ['', '', NULL, NULL, ''], []])]]) AS x)
```

```
../src/Common/FieldVisitors.h:148:22: runtime error: nan is outside the range of representable values of type 'unsigned long'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior ../src/Common/FieldVisitors.h:148:22 in
```
{
private:
    SipHash & hash;
public:
    FieldVisitorHash(SipHash & hash_);
    void operator() (const Null & x) const;
    void operator() (const UInt64 & x) const;
    void operator() (const UInt128 & x) const;
    void operator() (const Int64 & x) const;
    void operator() (const Int128 & x) const;
    void operator() (const Float64 & x) const;
    void operator() (const String & x) const;
    void operator() (const Array & x) const;
    void operator() (const Tuple & x) const;
    void operator() (const DecimalField<Decimal32> & x) const;
    void operator() (const DecimalField<Decimal64> & x) const;
    void operator() (const DecimalField<Decimal128> & x) const;
    void operator() (const DecimalField<Decimal256> & x) const;
    void operator() (const AggregateFunctionStateData & x) const;
    void operator() (const UInt256 & x) const;
    void operator() (const Int256 & x) const;
};
template <typename T> constexpr bool isDecimalField() { return false; }