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 - 2017, 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 - 2017, British Columbia Institute of Technology (http://bcit.ca/)

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

 * @link	https://codeigniter.com

 * @since	Version 1.3.0

 * @filesource

 */

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

/**

 * ODBC 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_odbc_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 (($this->num_rows = odbc_num_rows($this->result_id)) !== -1)

		{

			return $this->num_rows;

		}

		// Work-around for ODBC subdrivers that don't support num_rows()

		if (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);

		}

		return $this->num_rows = count($this->result_array());

	}

	// --------------------------------------------------------------------

	/**

	 * Number of fields in the result set

	 *

	 * @return	int

	 */

	public function num_fields()

	{

		return odbc_num_fields($this->result_id);

	}

	// --------------------------------------------------------------------

	/**

	 * Fetch Field Names

	 *

	 * Generates an array of column names

	 *

	 * @return	array

	 */

	public function list_fields()

	{

		$field_names = array();

		$num_fields = $this->num_fields();

		if ($num_fields > 0)

		{

			for ($i = 1; $i <= $num_fields; $i++)

			{

				$field_names[] = odbc_field_name($this->result_id, $i);

			}

		}

		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, $odbc_index = 1, $c = $this->num_fields(); $i < $c; $i++, $odbc_index++)

		{

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

			$retval[$i]->name		= odbc_field_name($this->result_id, $odbc_index);

			$retval[$i]->type		= odbc_field_type($this->result_id, $odbc_index);

			$retval[$i]->max_length		= odbc_field_len($this->result_id, $odbc_index);

			$retval[$i]->primary_key	= 0;

			$retval[$i]->default		= '';

		}

		return $retval;

	}

	// --------------------------------------------------------------------

	/**

	 * Free the result

	 *

	 * @return	void

	 */

	public function free_result()

	{

		if (is_resource($this->result_id))

		{

			odbc_free_result($this->result_id);

			$this->result_id = FALSE;

		}

	}

	// --------------------------------------------------------------------

	/**

	 * Result - associative array

	 *

	 * Returns the result set as an array

	 *

	 * @return	array

	 */

	protected function _fetch_assoc()

	{

		return odbc_fetch_array($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')

	{

		$row = odbc_fetch_object($this->result_id);

		if ($class_name === 'stdClass' OR ! $row)

		{

			return $row;

		}

		$class_name = new $class_name();

		foreach ($row as $key => $value)

		{

			$class_name->$key = $value;

		}

		return $class_name;

	}

}

// --------------------------------------------------------------------

if ( ! function_exists('odbc_fetch_array'))

{

	/**

	 * ODBC Fetch array

	 *

	 * Emulates the native odbc_fetch_array() function when

	 * it is not available (odbc_fetch_array() requires unixODBC)

	 *

	 * @param	resource	&$result

	 * @param	int		$rownumber

	 * @return	array

	 */

	function odbc_fetch_array(&$result, $rownumber = 1)

	{

		$rs = array();

		if ( ! odbc_fetch_into($result, $rs, $rownumber))

		{

			return FALSE;

		}

		$rs_assoc = array();

		foreach ($rs as $k => $v)

		{

			$field_name = odbc_field_name($result, $k+1);

			$rs_assoc[$field_name] = $v;

		}

		return $rs_assoc;

	}

}

// --------------------------------------------------------------------

if ( ! function_exists('odbc_fetch_object'))

{

	/**

	 * ODBC Fetch object

	 *

	 * Emulates the native odbc_fetch_object() function when

	 * it is not available.

	 *

	 * @param	resource	&$result

	 * @param	int		$rownumber

	 * @return	object

	 */

	function odbc_fetch_object(&$result, $rownumber = 1)

	{

		$rs = array();

		if ( ! odbc_fetch_into($result, $rs, $rownumber))

		{

			return FALSE;

		}

		$rs_object = new stdClass();

		foreach ($rs as $k => $v)

		{

			$field_name = odbc_field_name($result, $k+1);

			$rs_object->$field_name = $v;

		}

		return $rs_object;

	}

}