text: -- @testpoint: opengauss关键字tsfield(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 explain_test cascade;
  create table explain_test(cid int,fid int);
  
  --关键字不带引号-成功
  start transaction;
  cursor tsfield for select * from explain_test order by 1;
  close tsfield;
  end;
  
  --关键字带双引号-成功
  start transaction;
  cursor "tsfield" for select * from explain_test order by 1;
  close "tsfield";
  end;
  
  --关键字带单引号-合理报错
  start transaction;
  cursor 'tsfield' for select * from explain_test order by 1;
  close 'tsfield';
  end;
  
  --关键字带反引号-合理报错
  start transaction;
  cursor `tsfield` for select * from explain_test order by 1;
  close `tsfield`;
  end;
  
  --清理环境
  drop table if exists explain_test;