mysql 动态sql语句

;
SET @ss = '
                        INSERT INTO
                                                prod_attr 

                        SELECT ? AS prod_id,A.* FROM
                                                (
                                                                SELECT 1 AS attr_id,\'中国出版社\' AS attr_value
                                                    union
                                                                SELECT 2 AS attr_id,\'刘勇\' AS attr_value
                                                 ) AS A
                     ';
PREPARE pname from @ss;
EXECUTE pname using @pord_id;
DEALLOCATE PREPARE pname;