presto-orc/src/main/java/io/prestosql/orc/stream/DecimalOutputStream.java/DecimalOutputStream/getStreamDataOutput
class DecimalOutputStream:    @Override
    public StreamDataOutput getStreamDataOutput(OrcColumnId columnId)
    {
        return new StreamDataOutput(buffer::writeDataTo, new Stream(columnId, DATA, toIntExact(buffer.getOutputDataSize()), true));
    }