text: --  @testpoint:opengauss关键字minextents(非保留)，作为外部数据源名
  
  --关键字不带引号-成功
  drop data source if exists minextents;
  create data source minextents;
  drop data source minextents;
  
  --关键字带双引号-成功
  drop data source if exists "minextents";
  create data source "minextents";
  drop data source "minextents";
  
  --关键字带单引号-合理报错
  drop data source if exists 'minextents';
  create data source 'minextents';
  
  --关键字带反引号-合理报错
  drop data source if exists `minextents`;
  create data source `minextents`;
  