BEGIN
	  DECLARE cflag bit DEFAULT 0;
	  DECLARE cid int;
	  declare cname VARCHAR(16);
  --声明一个游标
	  declare cur_copy CURSOR for select id,name from fruit;
  --设置游标结束标记
	  DECLARE CONTINUE HANDLER for not found set cflag=1;
  --开启游标
	  OPEN cur_copy;
    --循环取出游标里的值
		    read_loop:loop
			      FETCH cur_copy into cid,cname;
      --循环结束标记
			      if cflag=1 then leave read_loop;
			      end if;
			      insert into fruit_copy(id,name) values(cid,cname);
		      end loop;
	  close cur_copy;
END
原文:http://www.cnblogs.com/wsleep/p/6658836.html