@Override
    @SuppressWarnings("unchecked")
    public List<?> getList(Object list) {
      if (list == null) {
        return null;
      }
      return (List) list;
    }
Destructively make this object link to other's values.
@param other the value to point to
ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcStruct.java