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