存储过程+游标

delimiter //

drop procedure if exists `test` //

CREATE  PROCEDURE `test`() comment '测试存储过程'

BEGIN

  declare a varchar(255);

declare i int(1) default 0;

DECLARE cur CURSOR FOR select tname from `test`;

DECLARE CONTINUE HANDLER FOR sqlEXCEPTioN ,NOT FOUND

rollback;

start transaction;

OPEN cur;

while i<12 do

FETCH cur INTO a;

insert into `test` (tname) values (a);

set @ret=row_count();

if @ret<=0 then

rollback;

end if;

set i=i+1;

end while;

close cur;

commit;

end //

delimiter ;

call test();