DELIMITER //
CREATE PROCEDURE sp_crm_insertdata (flag INTEGER(1))
BEGIN
DECLARE customer_name VARCHAR(255);
DECLARE i INTEGER(11) DEFAULT 10;
DECLARE j INTEGER(11) DEFAULT 1000;
IF (flag > 0) THEN
BEGIN
WHILE i < j DO
SET customer_name = CONCAT('customer', i);
INSERT INTO CUSTOMER(
CUSTOMER_NAME, MANAGE_USER, CUSTOMER_TYPE, SCALE, PURVIEW,
CREATEOR, BIRTHDAY_REMIND_SMS, BIRTHDAY_REMIND
)
VALUES( customer_name, 'admin', '1', '0', '1', 'admin', '1', '1' );
SET i = (i + 1);
END WHILE;
END;
ELSE
BEGIN
#select i,j;
WHILE i < j DO
SET customer_name = CONCAT('customer', j);
SELECT customer_name;
DELETE FROM CUSTOMER WHERE CUSTOMER_NAME = customer_name;
SET j = (j - 1);
END WHILE;
END;
END IF;
END;
执行
CALL sp_crm_insertdata(0);的时候。
表就被清空了,删除了我不想要的数据好像while循环只走了一次INSERT INTO CUSTOMER(CUSTOMER_NAME, MANAGE_USER, CUSTOMER_TYPE, SCALE, PURVIEW,CREATEOR, BIRTHDAY_REMIND_SMS, BIRTHDAY_REMIND)
VALUES( 'haha', 'admin', '1', '0', '1', 'admin', '1', '1' );CUSTOMER_NAME = haha都被删除掉了
SET customer_name = CONCAT('customer', j);
SELECT customer_name;
看看结果是什么
应该是customer11才对
建议你列出你的表结构,并提供测试数据以及基于这些测试数据的所对应正确结果。
参考一下这个贴子的提问方式http://topic.csdn.net/u/20091130/20/8343ee6a-417c-4c2d-9415-fa46604a00cf.html
1. 你的 create table xxx .. 语句
2. 你的 insert into xxx ... 语句
3. 结果是什么样,(并给以简单的算法描述)
4. 你用的数据库名称和版本(经常有人在MS SQL server版问 MySQL)
这样想帮你的人可以直接搭建和你相同的环境,并在给出方案前进行测试,避免文字描述理解上的误差。
DROP TABLE IF EXISTS `customer`;CREATE TABLE `customer` (
`CUSTOMER_ID` int(11) NOT NULL auto_increment,
`CUSTOMER_NAME` varchar(200) NOT NULL default '',
`TEL_NO` varchar(200) NOT NULL default '',
`FAX_NO` varchar(200) NOT NULL default '',
`CUSTOMER_WWW` varchar(200) NOT NULL default '',
`EMAIL` varchar(200) NOT NULL default '',
`CUSTOMER_ADD` varchar(200) NOT NULL default '',
`POSTALCODE` varchar(50) NOT NULL default '',
`MEMO` varchar(200) NOT NULL default '',
`MANAGE_USER` varchar(20) default NULL,
`CUSTOMER_NUMBER` varchar(200) NOT NULL default '',
`CUSTOMER_TYPE` int(2) default NULL,
`SCALE` int(2) default NULL,
`PROVINCE` varchar(200) default NULL,
`CITY` varchar(200) default NULL,
`PURVIEW` int(2) NOT NULL default '1',
`PURVIEW_DEPT` varchar(200) default NULL,
`PURVIEW_ROLE` varchar(200) default NULL,
`PURVIEW_USER` varchar(200) default NULL,
`CREATEOR` varchar(200) default '',
`BIRTHDAY_REMIND_SMS` tinyint(1) NOT NULL default '1',
`BIRTHDAY_REMIND` tinyint(1) NOT NULL default '1',
PRIMARY KEY (`CUSTOMER_ID`),
UNIQUE KEY `CUSTOMER_ID` (`CUSTOMER_ID`),
KEY `CUSTOMER_ID_2` (`CUSTOMER_ID`,`CUSTOMER_NAME`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;
1. CREATE TABLE `customer` ( ..
2. CREATE PROCEDURE sp_crm_insertdata (flag INTEGER(1)) ...
3. CALL sp_crm_insertdata(1);
4. CALL sp_crm_insertdata(0);
mysql> select count(*) from CUSTOMER;.....
..
+---------------+
| customer12 |
+---------------+
1 row in set (0.86 sec)+---------------+
| customer_name |
+---------------+
| customer11 |
+---------------+
1 row in set (0.88 sec)Query OK, 0 rows affected (0.88 sec)mysql> select count(*) from CUSTOMER;
+----------+
| count(*) |
+----------+
| 0 |
+----------+
1 row in set (0.00 sec)mysql>没有什么问题。问题说明越详细,回答也会越准确!参见如何提问。(提问的智慧)