@org.apache.thrift.annotation.Nullable
  public java.lang.Object getFieldValue(_Fields field) {
    switch (field) {
    case COL_NAME:
      return getColName();

    case COL_TYPE:
      return getColType();

    case STATS_DATA:
      return getStatsData();

    }
    throw new java.lang.IllegalStateException();
  }
Returns true if field statsData is set (has been assigned a value) and false otherwise
standalone-metastore/metastore-common/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/metastore/api/ColumnStatisticsObj.java