text: -- @testpoint: opengauss关键字storage(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 storage;
  create synonym storage for explain_test;
  insert into storage values (1,'ada'),(2, 'bob');
  update storage set storage.name='cici' where storage.id=2;
  select * from storage;
  drop synonym if exists storage;
  
  --关键字带双引号-成功
  drop synonym if exists "storage";
  create synonym "storage" for explain_test;
  drop synonym if exists "storage";
  
  --关键字带单引号-合理报错
  drop synonym if exists 'storage';
  create synonym 'storage' for explain_test;
  insert into 'storage' values (1,'ada'),(2, 'bob');
  update 'storage' set 'storage'.name='cici' where 'storage'.id=2;
  select * from 'storage';
  
  --关键字带反引号-合理报错
  drop synonym if exists `storage`;
  create synonym `storage` for explain_test;
  insert into `storage` values (1,'ada'),(2, 'bob');
  update `storage` set `storage`.name='cici' where `storage`.id=2;
  select * from `storage`;
  drop table if exists explain_test;