Subversion-Projekte lars-tiefland.ci

<?php

/**

 * CodeIgniter

 *

 * An open source application development framework for PHP

 *

 * This content is released under the MIT License (MIT)

 *

 * Copyright (c) 2014 - 2019, 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 - 2019, British Columbia Institute of Technology (https://bcit.ca/)

 * @license	https://opensource.org/licenses/MIT	MIT License

 * @link	https://codeigniter.com

 * @since	Version 2.1.0

 * @filesource

 */

defined('BASEPATH') OR exit('No direct script access allowed');

/**

 * PDO Result Class

 *

 * This class extends the parent result class: CI_DB_result

 *

 * @package		CodeIgniter

 * @subpackage	Drivers

 * @category	Database

 * @author		EllisLab Dev Team

 * @link		https://codeigniter.com/user_guide/database/

 */

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++)

		{

			// Might trigger an E_WARNING due to not all subdrivers

			// supporting getColumnMeta()

			$field_names[$i] = @$this->result_id->getColumnMeta($i);

			$field_names[$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()

	{

		try

		{

			$retval = array();

			for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)

			{

				$field = $this->result_id->getColumnMeta($i);

				$retval[$i]			= new stdClass();

				$retval[$i]->name		= $field['name'];

				$retval[$i]->type		= isset($field['native_type']) ? $field['native_type'] : null;

				$retval[$i]->max_length		= ($field['len'] > 0) ? $field['len'] : NULL;

				$retval[$i]->primary_key	= (int) ( ! empty($field['flags']) && in_array('primary_key', $field['flags'], TRUE));

			}

			return $retval;

		}

		catch (Exception $e)

		{

			if ($this->db->db_debug)

			{

				return $this->db->display_error('db_unsupported_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	$class_name

	 * @return	object

	 */

	protected function _fetch_object($class_name = 'stdClass')

	{

		return $this->result_id->fetchObject($class_name);

	}

}