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



{
        out << "\n=== " << to_string(this->type) << " ===" << '\n';
        out << "Timestamp: " << this->timestamp << '\n';
        out << "Event Type: " << to_string(this->type) << '\n';
        out << "Server ID: " << this->server_id << '\n';
        out << "Event Size: " << this->event_size << '\n';
        out << "Log Pos: " << this->log_pos << '\n';
        out << "Flags: " << this->flags << '\n';
    }
    
    void FormatDescriptionEvent::parseImpl(ReadBuffer & payload)
    {
        payload.readStrict(reinterpret_cast<char *>(&binlog_version), 2);
        assert(binlog_version == EVENT_VERSION_V4);
        server_version.resize(50);
        payload.readStrict(reinterpret_cast<char *>(server_version.data()), 50);
        payload.readStrict(reinterpret_cast<char *>(&create_timestamp), 4);
        payload.readStrict(reinterpret_cast<char *>(&event_header_length), 1);
        assert(event_header_length == EVENT_HEADER_LENGTH);
        readStringUntilEOF(event_type_header_length, payload);
    }
    void FormatDescriptionEvent::dump(WriteBuffer & out) const