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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
* Licensed under the Open Software License version 3.0
*
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
* http://opensource.org/licenses/OSL-3.0
* If you did not receive a copy of the license and are unable to obtain it
* through the world wide web, please send an email to
* licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
* @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
/**
* oci8 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_oci8_result extends CI_DB_result {
public $stmt_id;
public $curs_id;
public $limit_used;
public function __construct(&$driver_object)
{
parent::__construct($driver_object);
$this->stmt_id = $driver_object->stmt_id;
$this->curs_id = $driver_object->curs_id;
$this->limit_used = $driver_object->limit_used;
$driver_object->stmt_id = FALSE;
}
/**
* Number of rows in the result set.
*
* Oracle doesn't have a graceful way to retun the number of rows
* so we have to use what amounts to a hack.
*
* @return int
*/
public function num_rows()
{
if ($this->num_rows === 0 && count($this->result_array()) > 0)
{
$this->num_rows = count($this->result_array());
@oci_execute($this->stmt_id, OCI_DEFAULT);
if ($this->curs_id)
{
@oci_execute($this->curs_id, OCI_DEFAULT);
}
}
return $this->num_rows;
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @return int
*/
public function num_fields()
{
$count = @oci_num_fields($this->stmt_id);
// if we used a limit we subtract it
if ($this->limit_used)
{
$count = $count - 1;
}
return $count;
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @return array
*/
public function list_fields()
{
$field_names = array();
for ($c = 1, $fieldCount = $this->num_fields(); $c <= $fieldCount; $c++)
{
$field_names[] = oci_field_name($this->stmt_id, $c);
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @return array
*/
public function field_data()
{
$retval = array();
for ($c = 1, $fieldCount = $this->num_fields(); $c <= $fieldCount; $c++)
{
$F = new stdClass();
$F->name = oci_field_name($this->stmt_id, $c);
$F->type = oci_field_type($this->stmt_id, $c);
$F->max_length = oci_field_size($this->stmt_id, $c);
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return void
*/
public function free_result()
{
if (is_resource($this->result_id))
{
oci_free_statement($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @return array
*/
protected function _fetch_assoc()
{
$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
return oci_fetch_assoc($id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @return object
*/
protected function _fetch_object()
{
$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
return @oci_fetch_object($id);
}
// --------------------------------------------------------------------
/**
* Query result. "array" version.
*
* @return array
*/
public function result_array()
{
if (count($this->result_array) > 0)
{
return $this->result_array;
}
$row = NULL;
while ($row = $this->_fetch_assoc())
{
$this->result_array[] = $row;
}
return $this->result_array;
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @return array
*/
protected function _data_seek($n = 0)
{
return FALSE; // Not needed
}
}
/* End of file oci8_result.php */
/* Location: ./system/database/drivers/oci8/oci8_result.php */
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