ClickHouse client version 21.8.4.51 (official build).

I had a problem synchronizing Nullable(Decimal(20, 8))  using the MaterializeMySQL

mysql data is  10929.00000000 

but clickhouse data is -32771294956408.94967295

Can someone help me plz



{
        payload.readStrict(reinterpret_cast<char *>(&timestamp), 4);
        payload.readStrict(reinterpret_cast<char *>(&type), 1);
        payload.readStrict(reinterpret_cast<char *>(&server_id), 4);
        payload.readStrict(reinterpret_cast<char *>(&event_size), 4);
        payload.readStrict(reinterpret_cast<char *>(&log_pos), 4);
        payload.readStrict(reinterpret_cast<char *>(&flags), 2);
    }
    void EventHeader::dump(WriteBuffer & out) const