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