text: --  @testpoint:cursor声明游标，以默认文本格式返回数据；
  
  --前置条件
  drop table if exists cur_test_03;
  create table cur_test_03(c_id int,c_num int,c_name varchar(10),c_city varchar(10),c_add varchar(20));
  insert into cur_test_03 values(1,18,'Allen','Beijing','AAAAABAAAAA'),(2,368,'Bob','Shanghai','AAAAACAAAAA'),
                             (3,59,'Cathy','Shenzhen','AAAAADAAAAA'),(4,96,'David','Suzhou','AAAAAEAAAAA'),
                             (5,17,'Edrwd','Fenghuang','AAAAAFAAAAA'),(6,253,'Fendi','Changsha','AAAAAGAAAAA');
  
  start transaction;
  cursor cursor3 for select * from cur_test_03 order by 1;
  fetch from cursor3;
  close cursor3;
  end;
  
  drop table cur_test_03;
  
  