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