<?php
class DbPdoResult extends DbResultSet
{
	/**
	 * Stores a reference to the PDOStatement object used by the resultset
	 *
	 * @var PDOStatement PDOStatement object
	 */
	var $res;
	var $cur;
	var $max;
	private $rows;

	function DbPdoResult($link, $res)
	{
		parent::__construct($link, $res);
		$this->cur = 0;
		//EchoBacktrace();
		if(!$this->res)
			$this->rows = array();
		else
			$this->rows = $this->res->fetchAll();
		$this->max = count($this->rows) - 1;
	}

	function numRows()
	{
		return $this->max + 1;
	}


	function rewind()
	{
		$this->cur = 0;
	}

	function current()
	{
		return $this->rows[$this->cur];
	}

	function key()
	{
		return $this->cur;
	}

	function next()
	{
		$this->cur++;
		if($this->cur > $this->max)
			return false;
		return $this->rows[$this->cur];
	}

	function valid()
	{
		if($this->cur > $this->max)
			return false;

		return true;
	}

	function affectedRows()
	{
		if(!$this->res)
			return 0;
		return $this->res->rowCount();
	}
}