everseiko/system/database/drivers/pdo/pdo_result.php
2020-01-02 23:02:57 +07:00

183 lines
3.4 KiB
PHP

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @author EllisLab Dev Team
* @link http://codeigniter.com
* @since Version 2.1.2
* @filesource
*/
// ------------------------------------------------------------------------
/**
* PDO Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_result extends CI_DB_result {
public $num_rows;
/**
* Number of rows in the result set
*
* @return int
*/
public function num_rows()
{
if (is_int($this->num_rows))
{
return $this->num_rows;
}
elseif (($this->num_rows = $this->result_id->rowCount()) > 0)
{
return $this->num_rows;
}
$this->num_rows = count($this->result_id->fetchAll());
$this->result_id->execute();
return $this->num_rows;
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
return $this->result_id->columnCount();
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$data = array();
try
{
for($i = 0; $i < $this->num_fields(); $i++)
{
$data[] = $this->result_id->getColumnMeta($i);
}
return $data;
}
catch (Exception $e)
{
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
if (is_object($this->result_id))
{
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc()
{
return $this->result_id->fetch(PDO::FETCH_ASSOC);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
return $this->result_id->fetchObject();
}
}
/* End of file pdo_result.php */
/* Location: ./system/database/drivers/pdo/pdo_result.php */