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