public String getBucketFileName(String bigFileName) {
    if (!inputFileChangeSensitive || bigFileName == null || bigFileName.isEmpty()) {
      return "-";
    }
    String fileName = getFileName(bigFileName);
    if (bucketMapjoinContext != null) {
      fileName = bucketMapjoinContext.createFileName(bigFileName, fileName);
    }
    return fileName;
  }
@param aliasToFetchWork
         the aliasToFetchWork to set
ql/src/java/org/apache/hadoop/hive/ql/plan/MapredLocalWork.java