text: -- @testpoint: opengauss关键字sqlexception非保留)，作为索引名，部分测试点合理报错
  
  --前置条件，创建一个表
  drop table if exists explain_test;
  create table explain_test(id int,name varchar(10));
  
  --关键字不带引号-成功
  drop index if exists sqlexception;
  create index sqlexception on explain_test(id);
  drop index sqlexception;
  
  --关键字带双引号-成功
  drop index if exists "sqlexception";
  create index "sqlexception" on explain_test(id);
  drop index "sqlexception";
  
  --关键字带单引号-合理报错
  drop index if exists 'sqlexception';
  create index 'sqlexception' on explain_test(id);
  
  --关键字带反引号-合理报错
  drop index if exists `sqlexception`;
  create index `sqlexception` on explain_test(id);
  drop table if exists explain_test;