mysql 动态生成测试数据

CREATE TABLE `test`.`ta` (
`a` varchar(45) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

DELIMITER $$
DROP PROCEDURE IF EXISTS `test`.`proc_tp` $$
CREATE DEFINER=`root`@`localhost` PROCEDURE `proc_tp`(in prex int,in max int)
begin
declare i INT DEFAULT 0;
declare s varchar(500);
WHILE (i<10 and prex<max) DO
select concat(prex,i) into s;
insert into ta (a) values (s);
set i=i+1;
if(i=10 and prex<max) then
set prex=prex+1;
set i=0;
end if;
END WHILE ;
end $$
DELIMITER ;