无详细内容 游标 MySQL mysqlmysql delimiter $$mysql CREATE PROCEDURE myProc() - BEGIN - DECLARE l_sale_id INT; - DECLARE l_last_sale INT DEFAULT 0; - - DECLARE sale_csr CURSOR FOR - SELECT id - FROM employee; - - DECLARE CONTINUE HANDLER FOR
游标 MySQLmysql> mysql> delimiter $$ mysql> CREATE PROCEDURE myProc() -> BEGIN -> DECLARE l_sale_id INT; -> DECLARE l_last_sale INT DEFAULT 0; -> -> DECLARE sale_csr CURSOR FOR -> SELECT id -> FROM employee; -> -> DECLARE CONTINUE HANDLER FOR NOT FOUND SET l_last_sale=1; -> -> OPEN sale_csr; -> sale_loop:LOOP -> FETCH sale_csr INTO l_sale_id; -> IF l_last_sale THEN -> LEAVE sale_loop; -> END IF; -> select l_sale_id; -> END LOOP sale_loop; -> CLOSE sale_csr; -> -> END$$ Query OK, 0 rows affected (0.00 sec) mysql> mysql> delimiter ; mysql> call myProc();