diff options
Diffstat (limited to 'system/database/drivers/pdo/pdo_result.php')
| -rw-r--r-- | system/database/drivers/pdo/pdo_result.php | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/system/database/drivers/pdo/pdo_result.php b/system/database/drivers/pdo/pdo_result.php new file mode 100644 index 000000000..444406986 --- /dev/null +++ b/system/database/drivers/pdo/pdo_result.php @@ -0,0 +1,219 @@ +<?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 */
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