text: -- @testpoint: opengauss关键字destructor(非保留)，作为游标名，部分测试点合理报错
  
  --前置条件
  drop table if exists destructor_test cascade;
  create table destructor_test(cid int,fid int);
  
  --关键字不带引号-成功
  start transaction;
  cursor destructor for select * from destructor_test order by 1;
  close destructor;
  end;
  
  --关键字带双引号-成功
  start transaction;
  cursor "destructor" for select * from destructor_test order by 1;
  close "destructor";
  end;
  
  --关键字带单引号-合理报错
  start transaction;
  cursor 'destructor' for select * from destructor_test order by 1;
  close 'destructor';
  end;
  
  --关键字带反引号-合理报错
  start transaction;
  cursor `destructor` for select * from destructor_test order by 1;
  close `destructor`;
  end;
  drop table if exists destructor_test cascade;
  