public List<List<Object>> getValues() {
    return values;
  }
Get whether value is null at the given position in AlignedTvList.

@param unsortedRowIndex value index inside this column
@param columnIndex index of the column
@return boolean
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/utils/datastructure/AlignedTVList.java