From ef8c793d7447b10660ccb7d579cb86f807269ca5 Mon Sep 17 00:00:00 2001
From: Jonathon Fowler <fowlerj@usq.edu.au>
Date: Tue, 28 Feb 2012 14:53:47 +1000
Subject: [PATCH] MDL-31804 duplicated columns cause Oracle error in grader
 report

---
 grade/report/grader/lib.php | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/grade/report/grader/lib.php b/grade/report/grader/lib.php
index 9d03a57cea739..83d3d6cca9124 100644
--- a/grade/report/grader/lib.php
+++ b/grade/report/grader/lib.php
@@ -391,8 +391,7 @@ public function load_users() {
         list($enrolledsql, $enrolledparams) = get_enrolled_sql($this->context);
 
         //fields we need from the user table
-        $userfields = user_picture::fields('u');
-        $userfields .= get_extra_user_fields_sql($this->context);
+        $userfields = user_picture::fields('u', get_extra_user_fields($this->context));
 
         $sortjoin = $sort = $params = null;