docs: def get_name_type_dict(self):
          """ Returns a dictionary of the type
          {'column_name': data_type, ...}
  
          :return: dict
          """
          attrs = self.get_attributes()
          types = self.get_types()
          d = dict()
          for i,a in enumerate(attrs):
              d[a] = types[i]
  
          return d