apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/repository/AppNamespaceRepository.java/AppNamespaceRepository/batchDeleteByAppId
class AppNamespaceRepository:  @Modifying
  @Query("UPDATE AppNamespace SET IsDeleted=1,DataChange_LastModifiedBy = ?2 WHERE AppId=?1")
  int batchDeleteByAppId(String appId, String operator);