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