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

    }
    throw new java.lang.IllegalStateException();
  }
Returns true if field colVals is set (has been assigned a value) and false otherwise
service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TRow.java