MDL-16687 fixed incorrect sorting - thanks Philip Cali; backported from MOODLE_19_STABLE

diff --git a/grade/lib.php b/grade/lib.php
index 3b06df8c1b3e6d1e6ae39fb08ede90c012f78311..244b5838bbcf3ac8cb7c81ce1ff410fd9ff57425 100644 (file)
--- a/grade/lib.php
+++ b/grade/lib.php
@@ -102,7 +102,7 @@ class graded_users_iterator {
             $ofields = ", u.$this->sortfield1 AS usrt1";
             $order   = "usrt1 $this->sortorder1";
             if (!empty($this->sortfield2)) {
-                $ofields .= ", u.$this->sortfield1 AS usrt2";
+                $ofields .= ", u.$this->sortfield2 AS usrt2";
                 $order   .= ", usrt2 $this->sortorder2";
             }
             if ($this->sortfield1 != 'id' and $this->sortfield2 != 'id') {