mysql 存储过程 rand_Mysql 存储过程示例

DELIMITER $

CREATE PROCEDURE generate_Equipment(district INT,warehouseNO VARCHAR(10) )

BEGIN

DECLARE l_no VARCHAR(50);

DECLARE l_address VARCHAR(20) ;

DECLARE l_name VARCHAR(20) ;

DECLARE l_city VARCHAR(20) DEFAULT "天津";

DECLARE l_longitude DOUBLE;

DECLARE l_latitude DOUBLE;

DECLARE l_money BIGINT;

DECLARE l_type TINYINT DEFAULT 2;

DECLARE l_rand DOUBLE;

DECLARE l_init LONG;

DECLARE l_actual LONG;

DECLARE i INT DEFAULT 0;

WHILE i<100 DO

SELECT longitude INTO l_longitude FROM warehouse WHERE NO=warehouseNO AND district=district;

SELECT latitude INTO l_latitude FROM warehouse WHERE NO=warehouseNO AND district=district;

SET l_address="address";

SET l_name="equipment";

SET l_rand=RAND();

SET l_no=CONCAT(‘03Q‘,ROUND(l_rand*1000000000000));

SET l_address=CONCAT(l_address,ROUND(l_rand*i));

SET l_name=CONCAT(l_name,ROUND(l_rand*i));

SET l_longitude=l_longitude+l_rand;

SET l_latitude=l_latitude+l_rand;

SET l_init=ROUND(l_rand*30000);

SET l_actual=ROUND(l_rand*13000);

INSERT INTO equipment (NO,NAME,city,district,address,longitude,latitude,init,actual,TYPE) VALUES(l_no,l_name,l_city,district,l_address,l_longitude,l_latitude,l_init,l_actual,l_type);

SET i=i+1;

END WHILE;

END;

$

DELIMITER ;

原文：http://blog.youkuaiyun.com/robinsonmhj/article/details/38340281