text: --  @testpoint:opengauss关键字search(非保留)，作为用户组名
  
  
  --关键字不带引号-成功
  drop group if exists search;
  create group search with password 'Gauss@123';
  drop group search;
  
  --关键字带双引号-成功
  drop group if exists "search";
  create group "search" with password 'Gauss@123';
  drop group "search";
  
  --关键字带单引号-合理报错
  drop group if exists 'search';
  create group 'search' with password 'Gauss@123';
  
  --关键字带反引号-合理报错
  drop group if exists `search`;
  create group `search` with password 'Gauss@123';
  