text: -- @testpoint: opengauss关键字workload(非保留)，作为同义词对象名，部分测试点合理报错
  
  
  --前置条件
  drop table if exists explain_test;
  create table explain_test(id int,name varchar(10));
  
  --关键字不带引号-成功
  drop synonym if exists workload;
  create synonym workload for explain_test;
  insert into workload values (1,'ada'),(2, 'bob');
  update workload set workload.name='cici' where workload.id=2;
  select * from workload;
  drop synonym if exists workload;
  
  --关键字带双引号-成功
  drop synonym if exists "workload";
  create synonym "workload" for explain_test;
  drop synonym if exists "workload";
  
  --关键字带单引号-合理报错
  drop synonym if exists 'workload';
  create synonym 'workload' for explain_test;
  insert into 'workload' values (1,'ada'),(2, 'bob');
  update 'workload' set 'workload'.name='cici' where 'workload'.id=2;
  select * from 'workload';
  
  --关键字带反引号-合理报错
  drop synonym if exists `workload`;
  create synonym `workload` for explain_test;
  insert into `workload` values (1,'ada'),(2, 'bob');
  update `workload` set `workload`.name='cici' where `workload`.id=2;
  select * from `workload`;
  drop table if exists explain_test;