@Override
  public String toString() {
    StringBuilder buffer = new StringBuilder();
    buffer.append("{");
    for(int i=0; i < fields.length; ++i) {
      if (i != 0) {
        buffer.append(", ");
      }
      buffer.append(fields[i]);
    }
    buffer.append("}");
    return buffer.toString();
  }
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