生成一个千万行的表

生成一个千万行的表练习：

CREATE TABLE usertb (  
id serial,   
uname  varchar(20) ,  
ucreatetime  datetime  ,  
age  int(11)   
)  
DEFAULT CHARACTER SET=utf8 COLLATE=utf8_general_ci  
AUTO_INCREMENT=1;

delimiter $$
SET AUTOCOMMIT = 0$$

create  procedure test1() 
begin
declare v_cnt decimal (10)  default 0 ;
dd:loop 
          insert  into usertb values
        (null,'用户1','2010-01-01 00:00:00',20),
        (null,'用户2','2010-01-01 00:00:00',20),
        (null,'用户3','2010-01-01 00:00:00',20),
        (null,'用户4','2010-01-01 00:00:00',20),
        (null,'用户5','2011-01-01 00:00:00',20),
        (null,'用户6','2011-01-01 00:00:00',20),
        (null,'用户7','2011-01-01 00:00:00',20),
        (null,'用户8','2012-01-01 00:00:00',20),
        (null,'用户9','2012-01-01 00:00:00',20),
        (null,'用户0','2012-01-01 00:00:00',20)
            ;
                  commit;
                    set v_cnt = v_cnt+10 ;
                           if  v_cnt = 10000000 then leave dd;
                          end if;
         end loop dd ;
end;$$
delimiter ;
call test1;