docs: protected boolean isDataTableResultType(DefaultResultSetHandler resultSetHandler)
      {
          MappedStatement mappedStatement= reflect(resultSetHandler);
          List<ResultMap> res=mappedStatement.getResultMaps();
          if(res.size()==1&&res.get(0).getType().equals(DataTable.class))
          {
              return true;
          }
          return false;
      }