Index: branches/5.2.x/core/install/upgrades.php
===================================================================
diff -u -N -r16513 -r16634
--- branches/5.2.x/core/install/upgrades.php	(.../upgrades.php)	(revision 16513)
+++ branches/5.2.x/core/install/upgrades.php	(.../upgrades.php)	(revision 16634)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: upgrades.php 16513 2017-01-20 14:10:53Z alex $
+* @version	$Id: upgrades.php 16634 2018-11-13 09:38:24Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -2359,6 +2359,35 @@
 		}
 
 		/**
+		 * Update to 5.2.2-B3
+		 *
+		 * @param string $mode When called mode {before, after).
+		 *
+		 * @return void
+		 */
+		public function Upgrade_5_2_2_B3($mode)
+		{
+			if ( $mode != 'before' ) {
+				return;
+			}
+
+			/** @var kMultiLanguageHelper $ml_helper */
+			$ml_helper = $this->Application->recallObject('kMultiLanguageHelper');
+			$ml_helper->createFields('page-revision');
+
+			/** @var PageHelper $page_helper */
+			$page_helper = $this->Application->recallObject('PageHelper');
+			$table_name = TABLE_PREFIX . 'PageRevisions';
+			$sql = 'SELECT RevisionId
+					FROM ' . $table_name;
+			$ids = $this->Conn->GetColIterator($sql);
+
+			foreach ( $ids as $id ) {
+				$this->Conn->doUpdate($page_helper->getRevisionContent($id), $table_name, 'RevisionId = ' . $id);
+			}
+		}
+
+		/**
 		 * Deletes folders, containing thumbnails recursively.
 		 *
 		 * @param string $folder Folder.