189 lines
4.2 KiB
PHP
189 lines
4.2 KiB
PHP
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<?php
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/**
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* CodeIgniter
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*
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* An open source application development framework for PHP 5.2.4 or newer
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*
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* NOTICE OF LICENSE
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*
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* Licensed under the Open Software License version 3.0
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*
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* This source file is subject to the Open Software License (OSL 3.0) that is
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* bundled with this package in the files license.txt / license.rst. It is
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* also available through the world wide web at this URL:
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* http://opensource.org/licenses/OSL-3.0
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* If you did not receive a copy of the license and are unable to obtain it
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* through the world wide web, please send an email to
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* licensing@ellislab.com so we can send you a copy immediately.
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*
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* @package CodeIgniter
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* @author EllisLab Dev Team
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* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)
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* @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
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* @link http://codeigniter.com
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* @since Version 1.0
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* @filesource
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*/
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defined('BASEPATH') OR exit('No direct script access allowed');
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/**
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* PDO Result Class
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*
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* This class extends the parent result class: CI_DB_result
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*
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* @category Database
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* @author EllisLab Dev Team
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* @link http://codeigniter.com/user_guide/database/
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* @since 2.1
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*/
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class CI_DB_pdo_result extends CI_DB_result {
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/**
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* Number of rows in the result set
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*
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* @return int
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*/
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public function num_rows()
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{
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if (is_int($this->num_rows))
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{
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return $this->num_rows;
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}
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elseif (count($this->result_array) > 0)
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{
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return $this->num_rows = count($this->result_array);
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}
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elseif (count($this->result_object) > 0)
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{
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return $this->num_rows = count($this->result_object);
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}
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elseif (($num_rows = $this->result_id->rowCount()) > 0)
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{
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return $this->num_rows = $num_rows;
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}
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return $this->num_rows = count($this->result_array());
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}
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// --------------------------------------------------------------------
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/**
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* Number of fields in the result set
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*
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* @return int
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*/
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public function num_fields()
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{
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return $this->result_id->columnCount();
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}
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// --------------------------------------------------------------------
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/**
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* Fetch Field Names
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*
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* Generates an array of column names
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*
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* @return bool
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*/
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public function list_fields()
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{
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$field_names = array();
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for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
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{
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// Might trigger an E_WARNING due to not all subdrivers
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// supporting getColumnMeta()
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$field_names[$i] = @$this->result_id->getColumnMeta();
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$field_names[$i] = $field_names[$i]['name'];
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}
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return $field_names;
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}
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// --------------------------------------------------------------------
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/**
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* Field data
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*
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* Generates an array of objects containing field meta-data
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*
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* @return array
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*/
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public function field_data()
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{
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try
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{
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$retval = array();
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for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
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{
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$field = $this->result_id->getColumnMeta($i);
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$retval[$i] = new stdClass();
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$retval[$i]->name = $field['name'];
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$retval[$i]->type = $field['native_type'];
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$retval[$i]->max_length = ($field['len'] > 0) ? $field['len'] : NULL;
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$retval[$i]->primary_key = (int) ( ! empty($field['flags']) && in_array('primary_key', $field['flags'], TRUE));
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}
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return $retval;
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}
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catch (Exception $e)
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{
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if ($this->db->db_debug)
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{
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return $this->db->display_error('db_unsupported_feature');
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}
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return FALSE;
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}
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}
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// --------------------------------------------------------------------
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/**
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* Free the result
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*
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* @return void
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*/
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public function free_result()
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{
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if (is_object($this->result_id))
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{
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$this->result_id = FALSE;
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}
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}
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// --------------------------------------------------------------------
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/**
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* Result - associative array
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*
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* Returns the result set as an array
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*
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* @return array
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*/
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protected function _fetch_assoc()
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{
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return $this->result_id->fetch(PDO::FETCH_ASSOC);
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}
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// --------------------------------------------------------------------
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/**
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* Result - object
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*
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* Returns the result set as an object
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*
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* @param string $class_name
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* @return object
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*/
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protected function _fetch_object($class_name = 'stdClass')
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{
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return $this->result_id->fetchObject($class_name);
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}
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}
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/* End of file pdo_result.php */
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/* Location: ./system/database/drivers/pdo/pdo_result.php */
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