public int getnRows() {
            return nRows;
        }
For the backward compatibility server will not send TZ id in column type. Client should send version to a server
to get the correct column type.
(see: https://github.com/ClickHouse/ClickHouse/issues/38209)
client-v2/src/main/java/com/clickhouse/client/api/data_formats/NativeFormatReader.java