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old/system/database/drivers/oci8/oci8_result.php

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2018-10-16 16:28:42 +00:00
<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2016, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2016, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.4.1
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* oci8 Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_oci8_result extends CI_DB_result {
/**
* Statement ID
*
* @var resource
*/
public $stmt_id;
/**
* Cursor ID
*
* @var resource
*/
public $curs_id;
/**
* Limit used flag
*
* @var bool
*/
public $limit_used;
/**
* Commit mode flag
*
* @var int
*/
public $commit_mode;
// --------------------------------------------------------------------
/**
* Class constructor
*
* @param object &$driver_object
* @return void
*/
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;
$this->commit_mode =& $driver_object->commit_mode;
$driver_object->stmt_id = FALSE;
}
// --------------------------------------------------------------------
/**
* 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
return ($this->limit_used) ? $count - 1 : $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);
$this->result_id = FALSE;
}
if (is_resource($this->stmt_id))
{
oci_free_statement($this->stmt_id);
}
if (is_resource($this->curs_id))
{
oci_cancel($this->curs_id);
$this->curs_id = NULL;
}
}
// --------------------------------------------------------------------
/**
* 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
*
* @param string $class_name
* @return object
*/
protected function _fetch_object($class_name = 'stdClass')
{
$row = ($this->curs_id)
? oci_fetch_object($this->curs_id)
: oci_fetch_object($this->stmt_id);
if ($class_name === 'stdClass' OR ! $row)
{
return $row;
}
$class_name = new $class_name();
foreach ($row as $key => $value)
{
$class_name->$key = $value;
}
return $class_name;
}
}