<?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 */ /** * 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/ * @since 2.1 */ class CI_DB_pdo_result extends CI_DB_result { /** * Number of rows in the result set * * @return int */ public function num_rows() { if (is_int($this->num_rows)) { return $this->num_rows; } elseif (count($this->result_array) > 0) { return $this->num_rows = count($this->result_array); } elseif (count($this->result_object) > 0) { return $this->num_rows = count($this->result_object); } elseif (($num_rows = $this->result_id->rowCount()) > 0) { return $this->num_rows = $num_rows; } return $this->num_rows = count($this->result_array()); } // -------------------------------------------------------------------- /** * Number of fields in the result set * * @return int */ public function num_fields() { return $this->result_id->columnCount(); } // -------------------------------------------------------------------- /** * Fetch Field Names * * Generates an array of column names * * @return bool */ public function list_fields() { $field_names = array(); for ($i = 0, $c = $this->num_fields(); $i < $c; $i++) { $field_names[$i] = @$this->result_id->getColumnMeta(); $field_names[$i] = $field_names[$i]['name']; } return $field_names; } // -------------------------------------------------------------------- /** * Field data * * Generates an array of objects containing field meta-data * * @return array */ public function field_data() { $data = array(); try { if (strpos($this->result_id->queryString, 'PRAGMA') !== FALSE) { foreach ($this->result_array() as $field) { preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field['type'], $matches); $F = new stdClass(); $F->name = $field['name']; $F->type = ( ! empty($matches[1])) ? $matches[1] : NULL; $F->default = NULL; $F->max_length = ( ! empty($matches[2])) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL; $F->primary_key = (int) $field['pk']; $F->pdo_type = NULL; $data[] = $F; } } else { for($i = 0, $max = $this->num_fields(); $i < $max; $i++) { $field = $this->result_id->getColumnMeta($i); $F = new stdClass(); $F->name = $field['name']; $F->type = $field['native_type']; $F->default = NULL; $F->pdo_type = $field['pdo_type']; if ($field['precision'] < 0) { $F->max_length = NULL; $F->primary_key = 0; } else { $F->max_length = ($field['len'] > 255) ? 0 : $field['len']; $F->primary_key = (int) ( ! empty($field['flags']) && in_array('primary_key', $field['flags'])); } $data[] = $F; } } return $data; } catch (Exception $e) { if ($this->db->db_debug) { return $this->db->display_error('db_unsuported_feature'); } return FALSE; } } // -------------------------------------------------------------------- /** * Free the result * * @return void */ public function free_result() { if (is_object($this->result_id)) { $this->result_id = FALSE; } } // -------------------------------------------------------------------- /** * Result - associative array * * Returns the result set as an array * * @return array */ protected function _fetch_assoc() { return $this->result_id->fetch(PDO::FETCH_ASSOC); } // -------------------------------------------------------------------- /** * Result - object * * Returns the result set as an object * * @param string * @return object */ protected function _fetch_object($class_name = 'stdClass') { return $this->result_id->fetchObject($class_name); } } /* End of file pdo_result.php */ /* Location: ./system/database/drivers/pdo/pdo_result.php */