MySQLストアドプロシージャにREPEATでカーソルをオープンしてデータを読み取る

2014年7月18日

SQLコード：
mysql>
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)