KjwPgResultSet.php

<?php // vim:ts=4:sw=4:noet
/*====================================================================== 
Copyright (C) 2006-2009, Walter Doekes
This file is part of KjwLib-php45.
 
KjwLib-php45 is free software: you can redistribute it and/or modify 
it under the terms of the GNU General Public License as published by 
the Free Software Foundation, either version 3 of the License, or 
(at your option) any later version. 

KjwLib-php45 is distributed in the hope that it will be useful, 
but WITHOUT ANY WARRANTY; without even the implied warranty of 
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
GNU General Public License for more details. 

You should have received a copy of the GNU General Public License 
along with KjwLib-php45.  If not, see <http://www.gnu.org/licenses/>. 
======================================================================*/

if (!function_exists('pg_connect'))
        trigger_error('pg_* functions not defined. Install php*-pgsql.', E_USER_ERROR);
require_once(dirname(__FILE__) . '/KjwResultSet.php');

class KjwPgResultSet extends KjwResultSet {
        var $_resource;         
        var $_pointer;          
        var $_end;                      
        function KjwPgResultSet(&$resource) {
                parent::KjwResultSet();
                $this->_resource = &$resource;
                $this->_pointer = 0;
                $this->_end = pg_num_rows($this->_resource);
        }

        /* [INHERITED DOCS] */
        function destroy() {
                pg_free_result($this->_resource);
                parent::destroy();
        }

        /* [INHERITED DOCS] */
        function getNext() {
                if ($this->_pointer < $this->size()) {
                        ++$this->_pointer;
                        return pg_fetch_assoc($this->_resource);
                }
                return false;
        }

        /* [INHERITED DOCS] */
        function at() {
                return $this->_pointer;
        }

        /* [INHERITED DOCS] */
        function size() {
                return $this->_end;
        }

        /* [INHERITED DOCS] */
        function seekAbs($offset) {
                if ($offset >= 0 && $offset < $this->_end) {
                        $this->_pointer = $offset;
                        pg_result_seek($this->_resource, $offset);
                        return true;
                }
                return false;
        }
}

?>

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