Index: modules/system/system.install
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.install,v
retrieving revision 1.347
diff -u -p -r1.347 system.install
--- modules/system/system.install	22 Jun 2009 13:21:37 -0000	1.347
+++ modules/system/system.install	23 Jun 2009 11:46:28 -0000
@@ -875,6 +875,7 @@ function system_schema() {
     'indexes' => array(
       'fit' => array('fit'),
       'tab_parent' => array('tab_parent'),
+      'tab_root_weight_title' => array(array('tab_root', 64), 'weight', 'title'),
     ),
     'primary key' => array('path'),
   );
@@ -2129,6 +2130,14 @@ function system_update_7028() {
 }
 
 
+/**
+ * Add a missing index on the {menu_router} table.
+ */
+function system_update_7029() {
+  $ret = array();
+  db_add_index($ret, 'menu_router', 'tab_root_weight_title', array(array('tab_root', 64), 'weight', 'title'));
+  return $ret;
+}
 
 /**
  * @} End of "defgroup updates-6.x-to-7.x"