Index: branches/5.2.x/core/units/categories/cache_updater.php
===================================================================
diff -u -N -r15137 -r15390
--- branches/5.2.x/core/units/categories/cache_updater.php	(.../cache_updater.php)	(revision 15137)
+++ branches/5.2.x/core/units/categories/cache_updater.php	(.../cache_updater.php)	(revision 15390)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: cache_updater.php 15137 2012-03-04 08:06:21Z alex $
+* @version	$Id: cache_updater.php 15390 2012-06-12 16:25:51Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -420,28 +420,32 @@
 
 		function UpdateCachedPath(&$data)
 		{
-			if ($data['current_id'] == 0) {
+			if ( $data['current_id'] == 0 ) {
 				// don't update non-existing "Home" category
-				return ;
+				return;
 			}
 
+			// allow old fashion system templates to work (maybe this is no longer needed, since no such urls after upgrade from 4.3.1)
+			$named_parent_path = strpos($data['file_name'], '/') !== false ? $data['file_name'] : implode('/', $data['named_path']);
+
 			$fields_hash = Array (
-				'ParentPath'				=>	'|'.implode('|', $data['parent_path']).'|',
-				// allow old fashion system templates to work
-				'NamedParentPath'			=>	strpos($data['file_name'], '/') !== false ? $data['file_name'] : implode('/', $data['named_path'] ),
-				'CachedTemplate'			=>	$data['template'],
-				'CachedDescendantCatsQty'	=>	$data['children_count'],
+				'ParentPath' => '|' . implode('|', $data['parent_path']) . '|',
+				'NamedParentPath' => $named_parent_path, // url component for a category page
+				'NamedParentPathHash' => kUtil::crc32(mb_strtolower(preg_replace('/^Content\//i', '', $named_parent_path))),
+				'CachedTemplate' => $data['template'], // actual template to use when category is visited
+				'CachedTemplateHash' => kUtil::crc32(mb_strtolower($data['template'])),
+				'CachedDescendantCatsQty' => $data['children_count'],
 				'TreeLeft' => $data['left'],
 				'TreeRight' => $data['right'],
 			);
 
 			foreach ($this->languages as $language_id) {
-				$fields_hash['l'.$language_id.'_CachedNavbar'] = implode('&|&', $data['titles'][$language_id]);
+				$fields_hash['l' . $language_id . '_CachedNavbar'] = implode('&|&', $data['titles'][$language_id]);
 			}
 
-			$this->Conn->doUpdate($fields_hash, TABLE_PREFIX.'Categories', 'CategoryId = '.$data['current_id']);
+			$this->Conn->doUpdate($fields_hash, TABLE_PREFIX . 'Categories', 'CategoryId = ' . $data['current_id']);
 
-			if ($this->Conn->getAffectedRows() > 0) {
+			if ( $this->Conn->getAffectedRows() > 0 ) {
 				$this->Application->incrementCacheSerial('c', $data['current_id']);
 			}
 		}