@Override
  public DruidWritable getCurrentValue() throws IOException, InterruptedException {
    // Create new value
    DruidWritable value = new DruidWritable(false);
    value.getValue().put(DruidConstants.EVENT_TIMESTAMP_COLUMN,
        current.getTimestamp() == null ? null : current.getTimestamp().getMillis()
    );
    value.getValue().putAll(current.getValue().getBaseObject());
    return value;
  }
Record reader for results for Druid TimeseriesQuery.
druid-handler/src/java/org/apache/hadoop/hive/druid/serde/DruidTimeseriesQueryRecordReader.java