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