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