code: def orng_type(self, table_name, col):
          '''
          Returns an Orange datatype for a given mysql column.
  
              :param table_name: target table name
              :param col: column to determine the Orange datatype
          '''
          mysql_type = self.types[table_name][col]
          n_vals = len(self.db.col_vals[table_name][col])
          if mysql_type in OrangeConverter.continuous_types or (
                          n_vals >= 50 and mysql_type in OrangeConverter.integer_types):
              return 'c'
          elif mysql_type in OrangeConverter.ordinal_types + OrangeConverter.integer_types:
              return 'd'
          else:
              return 'stringf orng_type(self, table_name, col):
          '''
          Returns an Orange datatype for a given mysql column.
  
              :param table_name: target table name
              :param col: column to determine the Orange datatype
          '''
          mysql_type = self.types[table_name][col]
          n_vals = len(self.db.col_vals[table_name][col])
          if mysql_type in OrangeConverter.continuous_types or (
                          n_vals >= 50 and mysql_type in OrangeConverter.integer_types):
              return 'c'
          elif mysql_type in OrangeConverter.ordinal_types + OrangeConverter.integer_types:
              return 'd'
          else:
              return 'string'
docs: Returns an Orange datatype for a given mysql column.
  
              :param table_name: target table name
              :param col: column to determine the Orange datatype