MySQL 存储过程循环插入数据

来源:互联网 发布:黑马程序员冯佳 编辑:程序博客网 时间:2024/05/22 01:36
测试机器时经常要测试inset 和alert 的绝对值,所以写了个存储过程来完成.
DROP PROCEDURE IF EXISTS proc_buildata; 
tudou@Gyyx 
CREATE PROCEDURE proc_buildata(IN loop_times INT) 
BEGIN 
DECLARE var INT DEFAULT 0; 
PREPARE MSQL FROM 'CREATE TABLE IF NOT EXISTS `employee` (`id` int(10) unsigned NOT NULL AUTO_INCREMENT,`employeeid` int(10) unsigned NOT NULL COMMENT ''0'',`employeename` varchar(64) NOT NULL DEFAULT '''',PRIMARY KEY (`id`)) ENGINE=InnoDB';   
EXECUTE MSQL; 
WHILE var<loop_times DO 
SET var=var+1; 
INSERT INTO employee (employeeid,employeename) VALUES (var,CONCAT('test',var)); 
END WHILE; 
END 
 
CALL proc_buildata(2000000); 
SELECT COUNT(1) FROM employee;

摘自 ylqmf的专栏
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