@Override
  public int hashCode() {
    int hashCode = 1;

    hashCode = hashCode * 8191 + org.apache.thrift.TBaseHelper.hashCode(startRowOffset);

    hashCode = hashCode * 8191 + ((isSetRows()) ? 131071 : 524287);
    if (isSetRows())
      hashCode = hashCode * 8191 + rows.hashCode();

    hashCode = hashCode * 8191 + ((isSetColumns()) ? 131071 : 524287);
    if (isSetColumns())
      hashCode = hashCode * 8191 + columns.hashCode();

    hashCode = hashCode * 8191 + ((isSetBinaryColumns()) ? 131071 : 524287);
    if (isSetBinaryColumns())
      hashCode = hashCode * 8191 + binaryColumns.hashCode();

    hashCode = hashCode * 8191 + ((isSetColumnCount()) ? 131071 : 524287);
    if (isSetColumnCount())
      hashCode = hashCode * 8191 + columnCount;

    return hashCode;
  }
Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TRowSet.java