<?php /** * 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 - 2013, 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 */ defined('BASEPATH') OR exit('No direct script access allowed'); /** * MySQL 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/ * @since 1.0 */ class CI_DB_mysql_result extends CI_DB_result { /** * Class constructor * * @param object &$driver_object * @return void */ public function __construct(&$driver_object) { parent::__construct($driver_object); // Required, due to mysql_data_seek() causing nightmares // with empty result sets $this->num_rows = @mysql_num_rows($this->result_id); } // -------------------------------------------------------------------- /** * Number of rows in the result set * * @return int */ public function num_rows() { return $this->num_rows; } // -------------------------------------------------------------------- /** * Number of fields in the result set * * @return int */ public function num_fields() { return @mysql_num_fields($this->result_id); } // -------------------------------------------------------------------- /** * Fetch Field Names * * Generates an array of column names * * @return array */ public function list_fields() { $field_names = array(); mysql_field_seek($this->result_id, 0); while ($field = mysql_fetch_field($this->result_id)) { $field_names[] = $field->name; } return $field_names; } // -------------------------------------------------------------------- /** * Field data * * Generates an array of objects containing field meta-data * * @return array */ public function field_data() { $retval = array(); for ($i = 0, $c = $this->num_fields(); $i < $c; $i++) { $retval[$i] = new stdClass(); $retval[$i]->name = mysql_field_name($this->result_id, $i); $retval[$i]->type = mysql_field_type($this->result_id, $i); $retval[$i]->max_length = mysql_field_len($this->result_id, $i); $retval[$i]->primary_key = (int) (strpos(mysql_field_flags($this->result_id, $i), 'primary_key') !== FALSE); } return $retval; } // -------------------------------------------------------------------- /** * Free the result * * @return void */ public function free_result() { if (is_resource($this->result_id)) { mysql_free_result($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. * * @param int $n * @return bool */ public function data_seek($n = 0) { return $this->num_rows ? @mysql_data_seek($this->result_id, $n) : FALSE; } // -------------------------------------------------------------------- /** * Result - associative array * * Returns the result set as an array * * @return array */ protected function _fetch_assoc() { return mysql_fetch_assoc($this->result_id); } // -------------------------------------------------------------------- /** * Result - object * * Returns the result set as an object * * @param string $class_name * @return object */ protected function _fetch_object($class_name = 'stdClass') { return mysql_fetch_object($this->result_id, $class_name); } } /* End of file mysql_result.php */ /* Location: ./system/database/drivers/mysql/mysql_result.php */