private function reset() {
      $this->select  = " SELECT * ";
      $this->from    = " FROM _table_ ";
      $this->join    = " ";
      $this->on      = " ";
      $this->where   = " ";
      $this->groupBy = " ";
      $this->having  = " ";
      $this->orderBy = " ";
      $this->limit   = " ";
      $this->offset  = " ";
      $this->union   = " ";
      $this->case    = "";
      $this->when    = "";
      $this->else    = "";
      $this->rows    = [] ;
      $this->placeholder_data = [] ;
      $_ENV["daniia_daniia"]  = null;

      $this->get_instance();
      return $this;
   }