text: -- @testpoint: opengauss关键字escaping(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 escaping_test;
  create table escaping_test(id int,name varchar(10));
  
  --关键字不带引号-成功
  drop synonym if exists escaping;
  create synonym escaping for escaping_test;
  insert into escaping values (1,'ada'),(2, 'bob');
  update escaping set escaping.name='cici' where escaping.id=2;
  select * from escaping;
  drop synonym if exists escaping;
  
  --关键字带双引号-成功
  drop synonym if exists "escaping";
  create synonym "escaping" for escaping_test;
  drop synonym if exists "escaping";
  
  --关键字带单引号-合理报错
  drop synonym if exists 'escaping';
  create synonym 'escaping' for escaping_test;
  insert into 'escaping' values (1,'ada'),(2, 'bob');
  update 'escaping' set 'escaping'.name='cici' where 'escaping'.id=2;
  select * from 'escaping';
  
  --关键字带反引号-合理报错
  drop synonym if exists `escaping`;
  create synonym `escaping` for escaping_test;
  insert into `escaping` values (1,'ada'),(2, 'bob');
  update `escaping` set `escaping`.name='cici' where `escaping`.id=2;
  select * from `escaping`;
  drop table if exists escaping_test;