def _get_column_by_db_name ( cls , name ) : return cls . _columns . get ( cls . _db_map . get ( name , name ) )
access a column using column name python
Returns the column mapped by db_field name
def _get_column_by_db_name(cls, name):
        """
        Returns the column, mapped by db_field name
        """
        return cls._columns.get(cls._db_map.get(name, name))