MySQL存储过程样例

2019年10月1日 02:01:09Linux大全评论443 views阅读模式

-- 删除存储过程
DROP PROCEDURE IF EXISTS proc_update_term_group;
-- 创建存储过程
DELIMITER //
CREATE PROCEDURE proc_update_term_group(IN tg_id VARCHAR(40),IN ag_id VARCHAR(20),IN tg_name VARCHAR(40))
BEGIN
-- 当前时间
DECLARE cur_time DATETIME DEFAULT NOW();
-- 终端编号
DECLARE t_id VARCHAR(20);
-- 账户编号
DECLARE a_id VARCHAR(20);
-- 账户密码
DECLARE a_psw VARCHAR(40);
-- 账户有效期
DECLARE a_active_date DATETIME;
-- 带宽编号
DECLARE a_bandwidth_id VARCHAR(10);
-- 计费规则名称
DECLARE a_bill_rule_name VARCHAR(20);
-- 账户余额
DECLARE a_balance NUMERIC(7, 2);
-- 循环结束标志位
DECLARE done INT DEFAULT 0;
-- 定义游标
DECLARE rs_cursor1 CURSOR FOR SELECT t.TERM_ID, a.ID, a.PSW, a.ACTIVE_DATE, a.BANDWIDTH_ID, a.BILL_RULE_NAME, a.BALANCE FROM TERM_ACCOUNT_INFO t, ACCOUNT_INFO a WHERE t.ACCOUNT_ID = a.ID AND t.TERM_GROUP_ID = tg_id;
DECLARE rs_cursor2 CURSOR FOR SELECT ID FROM TERM_BASIC_INFO WHERE TERM_GROUP_ID = tg_id;
DECLARE rs_cursor3 CURSOR FOR SELECT ID, PSW, ACTIVE_DATE, BANDWIDTH_ID, BILL_RULE_NAME, BALANCE FROM ACCOUNT_INFO WHERE ACCOUNT_GROUP_ID = ag_id;
DECLARE CONTINUE HANDLER FOR NOT FOUND SET done=1;
START TRANSACTION;
-- 删除终端账户信息
DELETE FROM TERM_ACCOUNT_INFO WHERE TERM_GROUP_ID = tg_id;
-- 删除终端账户下发任务信息
DELETE FROM TERM_DOWN_ACCOUNT WHERE EXISTS(SELECT 1 FROM TERM_BASIC_INFO t WHERE t.ID = TERM_ID AND t.TERM_GROUP_ID = tg_id) AND OPERATE_TYPE = 1;
COMMIT;
START TRANSACTION;
-- 打开游标
OPEN rs_cursor1;
-- 循环
WHILE done=0 DO
-- 游标赋值
FETCH rs_cursor1 INTO t_id, a_id, a_psw, a_active_date, a_bandwidth_id, a_bill_rule_name, a_balance;
IF NOT done THEN
-- 插入数据
INSERT INTO TERM_DOWN_ACCOUNT VALUES(UUID(), t_id, a_id, a_psw, a_active_date, a_bandwidth_id, a_bill_rule_name, a_balance, 0);
END IF;
END WHILE;
SET done=0;
CLOSE rs_cursor1;
COMMIT;
START TRANSACTION;
-- 循环结束标志位2
-- 打开游标
OPEN rs_cursor2;
-- 循环
WHILE done=0 DO
-- 游标赋值
FETCH rs_cursor2 INTO t_id;
IF NOT done THEN
-- 打开游标
OPEN rs_cursor3;
-- 循环
WHILE done=0 DO
-- 游标赋值
FETCH rs_cursor3 INTO a_id, a_psw, a_active_date, a_bandwidth_id, a_bill_rule_name, a_balance;
IF NOT done THEN
-- 插入数据
INSERT INTO TERM_ACCOUNT_INFO VALUES(UUID(), t_id, tg_id, a_id, ag_id, cur_time);
INSERT INTO TERM_DOWN_ACCOUNT VALUES(UUID(), t_id, a_id, a_psw, a_active_date, a_bandwidth_id, a_bill_rule_name, a_balance, 0);
END IF;
END WHILE;
CLOSE rs_cursor3;
set done=0;
END IF;
END WHILE;
CLOSE rs_cursor2;
COMMIT;
START TRANSACTION;
-- 修改终端分组信息
UPDATE TERM_GROUP SET NAME = tg_name WHERE ID = tg_id;
COMMIT;
END
//
DELIMITER ;