MDL-27248 remove forgotten unique sortorder index from the course table

lib/db/upgrade.php

@@ -6119,6 +6119,18 @@ FROM
         upgrade_main_savepoint(true, 2011033003.09);
     }
 
+    if ($oldversion < 2011033004.04) {
+        // Remove category_sortorder index that was supposed to be removed long time ago
+        $table = new xmldb_table('course');
+        $index = new xmldb_index('category_sortorder', XMLDB_INDEX_UNIQUE, array('category', 'sortorder'));
+
+        if ($dbman->index_exists($table, $index)) {
+            $dbman->drop_index($table, $index);
+        }
+        upgrade_main_savepoint(true, 2011033004.04);
+    }
+
+
     return true;
 }
 

version.php

@@ -30,7 +30,7 @@
 defined('MOODLE_INTERNAL') || die();
 
 
-$version  = 2011033004.03;              // 20110330      = branching date YYYYMMDD - do not modify!
+$version  = 2011033004.04;              // 20110330      = branching date YYYYMMDD - do not modify!
                                         //         RR    = release version - do not change in weeklies
                                         //           .XX = incremental changes