@Override
  public String toString() {
    if (inputSplits != null && inputSplits.length > 0) {
      return inputFormatClassName + ":" + inputSplits[0].toString();
    }
    return inputFormatClassName + ":null";
  }
The position of the first byte in the file to process.
ql/src/java/org/apache/hadoop/hive/ql/io/BucketizedHiveInputSplit.java