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