MDL-11920 prevent db traffic caused by user images; merged from MOODEL_19_STABLE

diff --git a/grade/report/grader/lib.php b/grade/report/grader/lib.php
index 3345815776d8f8192b4d34e3c7919d0cdcf3bcd4..846162a6ba5eb943ede4167880f8fa44f9fe6ae3 100644 (file)
--- a/grade/report/grader/lib.php
+++ b/grade/report/grader/lib.php
@@ -323,7 +323,7 @@ class grade_report_grader extends grade_report {
             }
             $roles = explode(',', $this->gradebookroles);
             $this->users = get_role_users($roles, $this->context, false,
-                            'u.id, u.firstname, u.lastname, u.idnumber', 'u.'.$this->sortitemid .' '. $this->sortorder . $sort2,
+                            'u.id, u.firstname, u.lastname, u.idnumber, u.imagealt, u.picture', 'u.'.$this->sortitemid .' '. $this->sortorder . $sort2,
                             false, $this->currentgroup, $this->page * $this->get_pref('studentsperpage'), $this->get_pref('studentsperpage'));
 
         }