From 8d13ea834c7167a7c7ba7a52f295e7ffb1c2feb5 Mon Sep 17 00:00:00 2001
From: Tim Hunt <T.J.Hunt@open.ac.uk>
Date: Wed, 30 Mar 2011 14:30:40 +0100
Subject: [PATCH] MDL-20636 Another little bug found by Jamie.

---
 mod/quiz/locallib.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mod/quiz/locallib.php b/mod/quiz/locallib.php
index f5e4d4e9720..4f02f83e670 100644
--- a/mod/quiz/locallib.php
+++ b/mod/quiz/locallib.php
@@ -748,8 +748,8 @@ function quiz_update_all_final_grades($quiz) {
 
     if (!empty($todelete)) {
         list($test, $params) = $DB->get_in_or_equal($todelete);
-        $DB->delete_records_select('quiz_grades',
-                'quiz = ? AND userid ', array($quiz->id) + $params);
+        $DB->delete_records_select('quiz_grades', 'quiz = ? AND userid ' . $test,
+                array_merge(array($quiz->id), $params));
     }
 }