text: --  @testpoint:opengauss关键字rebuild(非保留)，作为模式名
  
  
  --关键字不带引号-成功
  drop schema if exists rebuild;
  create schema rebuild;
  drop schema rebuild;
  
  --关键字带双引号-成功
  drop schema if exists "rebuild";
  create schema "rebuild";
  drop schema "rebuild";
  
  --关键字带单引号-合理报错
  drop schema if exists 'rebuild';
  
  
  --关键字带反引号-合理报错
  drop schema if exists `rebuild`;
  
  