def get_user_columns_list(self):
ret_lst = list()<EOL>for col_name in self.get_columns_list():<EOL><INDENT>if (not self.is_pk(col_name)) and (not self.is_fk(col_name)):<EOL><INDENT>ret_lst.append(col_name)<EOL><DEDENT><DEDENT>return ret_lst<EOL>
Returns all model's columns except pk or fk