Index: trunk/core/units/categories/cache_updater.php
===================================================================
diff -u -N -r8860 -r8905
--- trunk/core/units/categories/cache_updater.php	(.../cache_updater.php)	(revision 8860)
+++ trunk/core/units/categories/cache_updater.php	(.../cache_updater.php)	(revision 8905)
@@ -254,7 +254,7 @@
 
 		function initData()
 		{
-			$this->clearData(true); // drop table before starting anyway
+			$this->clearData(); // drop table before starting anyway
 
 			// 1. create table for rebuilding permissions cache
 			$this->Conn->Query('CREATE TABLE '.$this->permCacheTable.' LIKE '.TABLE_PREFIX.'PermCache');
@@ -278,24 +278,26 @@
 			$this->doneCats = 0;
 		}
 
-		function clearData($init_updater = false)
+		function clearData()
 		{
-			if (!$init_updater) {
-				// copy data from temp permission cache table back to live
-				$this->Conn->Query('TRUNCATE '.TABLE_PREFIX.'PermCache');
-
-				$sql = 'INSERT INTO '.TABLE_PREFIX.'PermCache
-						SELECT *
-						FROM '.$this->permCacheTable;
-				$this->Conn->Query($sql);
-			}
-
 			$this->Conn->Query('DROP TABLE IF EXISTS '.$this->progressTable);
 			$this->Conn->Query('DROP TABLE IF EXISTS '.$this->permCacheTable);
 			$this->Conn->Query('DELETE FROM '.TABLE_PREFIX.'Cache WHERE VarName = \'ForcePermCacheUpdate\'');
 			$this->Conn->Query('UPDATE '.TABLE_PREFIX.'ConfigurationValues SET VariableValue = VariableValue+1 WHERE VariableName = \'CategoriesRebuildSerial\'');
 		}
 
+		function SaveData()
+		{
+			// copy data from temp permission cache table back to live
+			$this->Conn->Query('TRUNCATE '.TABLE_PREFIX.'PermCache');
+
+			$sql = 'INSERT INTO '.TABLE_PREFIX.'PermCache
+					SELECT *
+					FROM '.$this->permCacheTable;
+			$this->Conn->Query($sql);
+			$this->clearData();
+		}
+
 		function DoTheJob()
 		{
 			$data = $this->Stack->Get();
@@ -481,7 +483,7 @@
 				// until proceeeded in this step category count exceeds category per step limit
 				$needs_more = $this->DoTheJob();
 			}
-			$this->clearData();
+			$this->SaveData();
 		}
 	}
 ?>
\ No newline at end of file