text: --  @testpoint:opengauss关键字sensitive非保留)，作为序列名
  
  
  --关键字不带引号-成功
  drop sequence if exists sensitive;
  create sequence sensitive start 100 cache 50;
  drop sequence sensitive;
  
  --关键字带双引号-成功
  drop sequence if exists "sensitive";
  create sequence "sensitive" start 100 cache 50;
  drop sequence "sensitive";
  
  --关键字带单引号-合理报错
  drop sequence if exists 'sensitive';
  create sequence 'sensitive' start 100 cache 50;
  
  --关键字带反引号-合理报错
  drop sequence if exists `sensitive`;
  create sequence `sensitive` start 100 cache 50;
  