@Override
  public String toString() {
    return "DirCopyWork{"
            + "fullyQualifiedSourcePath=" + getFullyQualifiedSourcePath()
            + ", fullyQualifiedTargetPath=" + getFullyQualifiedTargetPath()
            + ", tableName=" + tableName
            + ", copyMode="+ getCopyMode()
            + ", snapshotPrefix="+ getSnapshotPrefix()
            + '}';
  }
DirCopyWork, mainly to be used to copy External table data.
ql/src/java/org/apache/hadoop/hive/ql/exec/repl/DirCopyWork.java