Index: modules/system/system.install
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.install,v
retrieving revision 1.431
diff -u -p -r1.431 system.install
--- modules/system/system.install	24 Dec 2009 08:21:30 -0000	1.431
+++ modules/system/system.install	3 Jan 2010 22:12:55 -0000
@@ -1606,6 +1606,16 @@ function system_update_6053() {
  */
 
 /**
+ * Improve indexes on the {url_alias} table.
+ */
+function system_update_6054() {
+  db_drop_index('url_alias', 'src_language');
+  db_drop_unique_key('url_alias', 'dst_language');
+  db_add_index('url_alias', 'src_language_pid', array('src', 'language', 'pid'));
+  db_add_unique_key('url_alias', 'dst_language_pid', array('dst', 'language', 'pid'));
+}
+
+/**
  * @defgroup updates-6.x-to-7.x System updates from 6.x to 7.x
  * @{
  */
@@ -2329,16 +2339,6 @@ function system_update_7024() {
 }
 
 /**
- * Improve indexes on the {url_alias} table.
- */
-function system_update_7025() {
-  db_drop_index('url_alias', 'src_language');
-  db_drop_index('url_alias', 'dst_language');
-  db_add_index('url_alias', 'dst_language_pid', array('dst', 'language', 'pid'));
-  db_add_index('url_alias', 'src_language_pid', array('src', 'language', 'pid'));
-}
-
-/**
  * Increase permitted length of url aliases to 255 characters.
  *
  */