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<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
* Code Igniter
*
* An open source application development framework for PHP 4.3.2 or newer
*
* @package CodeIgniter
* @author Rick Ellis
* @copyright Copyright (c) 2006, pMachine, Inc.
* @license http://www.codeignitor.com/user_guide/license.html
* @link http://www.codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Database Result Class
*
* This is the platform-independent result class.
* This class will not be called directly. Rather, the adapter
* class for the specific database will extend and instantiate it.
*
* @category Database
* @author Rick Ellis
* @link http://www.codeigniter.com/user_guide/database/
*/
class CI_DB_result {
var $conn_id = FALSE;
var $result_id = FALSE;
var $db_debug = FALSE;
var $result_array = array();
var $result_object = array();
var $current_row = 0;
/**
* Query result. Acts as a wrapper function for the following functions.
*
* @access public
* @param string can be "object" or "array"
* @return mixed either a result object or array
*/
function result($type = 'object')
{
return ($type == 'object') ? $this->result_object() : $this->result_array();
}
// --------------------------------------------------------------------
/**
* Query result. "object" version.
*
* @access public
* @return object
*/
function result_object()
{
if (count($this->result_object) > 0)
{
return $this->result_object;
}
while ($row = $this->_fetch_object())
{
$this->result_object[] = $row;
}
if (count($this->result_object) == 0)
{
return array();
}
return $this->result_object;
}
// --------------------------------------------------------------------
/**
* Query result. "array" version.
*
* @access public
* @return array
*/
function result_array()
{
if (count($this->result_array) > 0)
{
return $this->result_array;
}
while ($row = $this->_fetch_assoc())
{
$this->result_array[] = $row;
}
if (count($this->result_array) == 0)
{
return array();
}
return $this->result_array;
}
// --------------------------------------------------------------------
/**
* Query result. Acts as a wrapper function for the following functions.
*
* @access public
* @param string can be "object" or "array"
* @return mixed either a result object or array
*/
function row($n = 0, $type = 'object')
{
return ($type == 'object') ? $this->row_object($n) : $this->row_array($n);
}
// --------------------------------------------------------------------
/**
* Returns a single result row - object version
*
* @access public
* @return object
*/
function row_object($n = 0)
{
if (FALSE === ($result = $this->result_object()))
{
return FALSE;
}
if ($n != $this->current_row AND isset($result[$n]))
{
$this->current_row = $n;
}
return $result[$this->current_row];
}
// --------------------------------------------------------------------
/**
* Returns a single result row - array version
*
* @access public
* @return array
*/
function row_array($n = 0)
{
if (FALSE === ($result = $this->result_array()))
{
return FALSE;
}
if ($n != $this->current_row AND isset($result[$n]))
{
$this->current_row = $n;
}
return $result[$this->current_row];
}
// --------------------------------------------------------------------
/**
* Returns the "first" row
*
* @access public
* @return object
*/
function first_row($type = 'object')
{
if (FALSE === ($result = $this->result($type)))
{
return FALSE;
}
return $result[0];
}
// --------------------------------------------------------------------
/**
* Returns the "last" row
*
* @access public
* @return object
*/
function last_row($type = 'object')
{
if (FALSE === ($result = $this->result($type)))
{
return FALSE;
}
return $result[count($result) -1];
}
// --------------------------------------------------------------------
/**
* Returns the "next" row
*
* @access public
* @return object
*/
function next_row($type = 'object')
{
if (FALSE === ($result = $this->result($type)))
{
return FALSE;
}
if (isset($result[$this->current_row + 1]))
{
++$this->current_row;
}
return $result[$this->current_row];
}
// --------------------------------------------------------------------
/**
* Returns the "previous" row
*
* @access public
* @return object
*/
function previous_row($type = 'object')
{
if (FALSE === ($result = $this->result($type)))
{
return FALSE;
}
if (isset($result[$this->current_row - 1]))
{
--$this->current_row;
}
return $result[$this->current_row];
}
// --------------------------------------------------------------------
/**
* Number of rows in the result set
*
* @access public
* @return integer
*/
function num_rows()
{
// Implemented in the platform-specific result adapter
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
// Implemented in the platform-specific result adapter
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function field_names()
{
// Implemented in the platform-specific result adapter
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
// Implemented in the platform-specific result adapter
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
// Implemented in the platform-specific result adapter
}
}
?>
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