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