       if(my_col_type != other_col_type)
       {
         printf("Attempted to compare columns of different types.\n");
-        return false;
-      }
-      bool valid = gdf::util::get_bit(d_valids_data[i], my_row_index) && gdf::util::get_bit(other.d_valids_data[i], other_row_index);
-      if (valid == false) {
         return false;
       }
       switch(my_col_type)

      {
        assert(nullptr != host_columns[i]->data);
      }
      device_columns.push_back(host_columns[i]->data);
      device_valids.push_back(host_columns[i]->valid);
      device_types.push_back(host_columns[i]->dtype);
    }


    d_columns_data = device_columns.data().get();
    d_valids_data = device_valids.data().get();
    d_columns_types = device_types.data().get();
  }

  ~gdf_table(){}

    size_t num_columns_to_hash = this->num_columns;
    for(size_type i = 0; i < num_columns_to_hash; ++i)
    {
      const gdf_valid_type * current_valid = d_columns_valids[i];
      bool_value = bool_value && gdf::util::get_bit(current_valid, row_index);
    }
    return bool_value;    
