<?php
/**
* @version	$Id: user_groups_dbitem.php 14628 2011-10-04 09:36:30Z alex $
* @package	In-Portal
* @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
* @license      GNU/GPL
* In-Portal is Open Source software.
* This means that this software may have been modified pursuant
* the GNU General Public License, and as distributed it includes
* or is derivative of works licensed under the GNU General Public License
* or other free or open source software licenses.
* See http://www.in-portal.org/license for copyright notices and details.
*/

defined('FULL_PATH') or die('restricted access!');

class UserGroups_DBItem extends kDBItem {

	/**
	 * Returns part of SQL WHERE clause identifying the record, ex. id = 25
	 *
	 * @param string $method Child class may want to know who called GetKeyClause, Load(), Update(), Delete() send its names as method
	 * @param Array $keys_hash alternative, then item id, keys hash to load item by
	 * @see kDBItem::Load()
	 * @see kDBItem::Update()
	 * @see kDBItem::Delete()
	 *
	 * @return string
	 * @access protected
	 */
	protected function GetKeyClause($method = null, $keys_hash = null)
	{
		$table_info = $this->getLinkedInfo($this->Special, true);

		if ( $table_info ) {
			// we have parent info, then use it
			$keys_hash = Array ($this->IDField => $this->GetID(), $table_info['ForeignKey'] => $table_info['ParentId']);
		}

		return parent::GetKeyClause($method, $keys_hash);
	}
}