From afcc12e80b0eb1560a470eadf6c33b4ce9a33d97 Mon Sep 17 00:00:00 2001
From: Damyon Wiese <damyon@moodle.com>
Date: Tue, 29 Jan 2013 14:36:18 +0800
Subject: [PATCH] MDL-37646 Assign: Quickgrading fix when using grading filters
 or lots of students.

---
 mod/assign/locallib.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mod/assign/locallib.php b/mod/assign/locallib.php
index df2f734832c..26c2e08edeb 100644
--- a/mod/assign/locallib.php
+++ b/mod/assign/locallib.php
@@ -3671,6 +3671,9 @@ class assign {
             $gradevalue = optional_param('quickgrade_' . $userid, '', PARAM_TEXT);
             if($modified >= 0) {
                 $record->grade = unformat_float(optional_param('quickgrade_' . $record->userid, -1, PARAM_TEXT));
+            } else {
+                // This user was not in the grading table.
+                continue;
             }
             $record->lastmodified = $modified;
             $record->gradinginfo = grade_get_grades($this->get_course()->id, 'mod', 'assign', $this->get_instance()->id, array($userid));