public function fetchField($result_object,$index,$which_connection='')
    {
        if ($which_connection == '') {
            $which_connection = $this->default_db;
        }

        return $result_object->FetchField($index);
    }
public function fetchField($result_object,$index,$which_connection='')
    {
        if ($which_connection == '') {
            $which_connection = $this->default_db;
        }

        return $result_object->FetchField($index);
    }
public function fetchField ( $ result_object , $ index , $ which_connection = '' ) { if ( $ which_connection == '' ) { $ which_connection = $ this -> default_db ; } return $ result_object -> FetchField ( $ index ) ; }
Get a column name by index
@param $result_object A result set
@param $index Integer index
@param $which_connection see method close()
@return The column name
Get a column name by index