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