**Describe the unexpected behaviour**
Hash functions are not supported for `Array(Tuple(...))` columns:

```sql
SELECT cityHash64([(1, 2), (2, 3)])

Received exception from server (version 22.5.1):
Code: 48. DB::Exception: Received from localhost:9000. DB::Exception: Method getDataAt is not supported for Tuple(UInt8, UInt8): While processing cityHash64([(1, 2), (2, 3)]). (NOT_IMPLEMENTED)
```
{
        union
        {
            unsigned char char_data[16];
            uint64_t uint64_data;
        } buf;
        MD5_CTX ctx;
        MD5_Init(&ctx);
        MD5_Update(&ctx, reinterpret_cast<const unsigned char *>(begin), size);
        MD5_Final(buf.char_data, &ctx);
        return Poco::ByteOrder::flipBytes(static_cast<Poco::UInt64>(buf.uint64_data));        
    }
    static UInt64 combineHashes(UInt64 h1, UInt64 h2)
    {
        UInt64 hashes[] = {h1, h2};
        return apply(reinterpret_cast<const char *>(hashes), 16);
    }
    
    
    static constexpr bool use_int_hash_for_pods = false;
};
struct MD4Impl
{
    static constexpr auto name = "MD4";
    enum { length = MD4_DIGEST_LENGTH };