无详细内容 游标 MySQL mysqlmysqlmysql delimiter $$mysql CREATE PROCEDURE myProc (in_customer_id INT) - BEGIN - - DECLARE l_first_name VARCHAR(30); - DECLARE l_id INT; - DECLARE l_city VARCHAR(30); - DECLARE l_department_count INT; - DECLARE
游标 MySQLmysql> mysql> mysql> delimiter $$ mysql> CREATE PROCEDURE myProc (in_customer_id INT) -> BEGIN -> -> DECLARE l_first_name VARCHAR(30); -> DECLARE l_id INT; -> DECLARE l_city VARCHAR(30); -> DECLARE l_department_count INT; -> DECLARE no_more_departments INT; -> -> DECLARE dept_csr CURSOR FOR -> SELECT id,first_name, city -> FROM employee; -> -> DECLARE CONTINUE HANDLER FOR NOT FOUND SET no_more_departments=1; -> -> SET no_more_departments=0; -> OPEN dept_csr; -> dept_loop:REPEAT -> FETCH dept_csr INTO l_id,l_first_name,l_city; -> IF no_more_departments=0 THEN -> SET l_department_count=l_department_count+1; -> END IF; -> select l_id,l_first_name,l_city; -> UNTIL no_more_departments -> END REPEAT dept_loop; -> CLOSE dept_csr; -> SET no_more_departments=0; -> -> -> END$$ Query OK, 0 rows affected (0.00 sec)