function get_attachment_id_from_url_without_resolution($url)
 {
     $file = all_around_functions::get_relative_to_cms_urlpath_from_full_urlpath($url);
     $upload_dir = $this->get_full_urlpath_of_uploads_dir(1);
     $upload_dir_length = strlen($upload_dir);
     if (substr($url, 0, $upload_dir_length) == $upload_dir) {
         $file = substr($url, $upload_dir_length);
         $query = "SELECT post_id FROM " . $this->get_db_postmeta_table() . " WHERE meta_value LIKE '%" . $file . "%'";
         $id = $this->db_get_var($query);
         if ($id == NULL) {
             return NULL;
         }
         return $id;
     }
     return NULL;
 }