public void writeDecimal64(BigDecimal value, int scale) throws IOException {
        BinaryStreamUtils.writeDecimal64(out, value, scale);
    }
This class is intended to be used for very precise data serializations.
It is an auxiliary class to handle only low level write operations.
<p>
Experimental API
client-v2/src/main/java/com/clickhouse/client/api/data_formats/RowBinaryFormatSerializer.java