CI_DB_active_record::select_min PHP Метод

    function select_min($select = '', $alias = '')
    {
        return $this->_max_min_avg_sum($select, $alias, 'MIN');
    }

 public final function min($Field)
 {
     $this->db->select_min($Field);
     $Query = $this->db->get($this->_table());
     $Row = $Query->row();
     return $Row->{$Field};
 }