@Override
    public StructField getStructFieldRef(String s) {
      for(StructField field: fields) {
        if (field.getFieldName().equalsIgnoreCase(s)) {
          return field;
        }
      }
      return null;
    }
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