Index: branches/unlabeled/unlabeled-1.8.2/core/kernel/db/db_connection.php
===================================================================
diff -u -r4044 -r4416
--- branches/unlabeled/unlabeled-1.8.2/core/kernel/db/db_connection.php	(.../db_connection.php)	(revision 4044)
+++ branches/unlabeled/unlabeled-1.8.2/core/kernel/db/db_connection.php	(.../db_connection.php)	(revision 4416)
@@ -565,6 +565,8 @@
 		
 		function doUpdate($fields_hash, $table, $key_clause)
 		{
+			if (!$fields_hash) return true;
+			
 			$fields_sql = '';
 			foreach ($fields_hash as $field_name => $field_value) {
 				$fields_sql .= '`'.$field_name.'` = '.$this->qstr($field_value).',';