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