private function _automaticVacuum()
    {
        if ($this->_options['automatic_vacuum_factor'] > 0) {
            $rand = rand(1, $this->_options['automatic_vacuum_factor']);
            if ($rand == 1) {
                $this->_query('VACUUM');
            }
        }
    }
private function _automaticVacuum()
    {
        if ($this->_options['automatic_vacuum_factor'] > 0) {
            $rand = rand(1, $this->_options['automatic_vacuum_factor']);
            if ($rand == 1) {
                $this->_query('VACUUM');
            }
        }
    }
private function _automaticVacuum ( ) { if ( $ this -> _options [ 'automatic_vacuum_factor' ] > 0 ) { $ rand = rand ( 1 , $ this -> _options [ 'automatic_vacuum_factor' ] ) ; if ( $ rand == 1 ) { $ this -> _query ( 'VACUUM' ) ; } } }
Deal with the automatic vacuum process

@return void
Deal with the automatic vacuum process