private void fillBuffer(CsvListWriter writer, Rows.Row row) {
    String[] vals = row.values;

    try {
      writer.write(vals);
      writer.flush();
    } catch (Exception e) {
      beeLine.error(e);
    }
  }
Fills the class's internal buffer with a DSV line
beeline/src/java/org/apache/hive/beeline/SeparatedValuesOutputFormat.java