From 1a748db10b95d9c4038c942cf21e0da0feff6b7b Mon Sep 17 00:00:00 2001
From: Dan Marsden <dan@danmarsden.com>
Date: Wed, 7 Aug 2013 08:49:17 +1200
Subject: [PATCH] clear course cache during upgrade

---
 locallib.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/locallib.php b/locallib.php
index 4b60f9a..d26e464 100644
--- a/locallib.php
+++ b/locallib.php
@@ -1398,4 +1398,11 @@ function attforblock_upgrade() {
     // Now convert module record.
     $module->name = 'attendance';
     $DB->update_record('modules', $module);
+
+    // Clear cache for courses with attendances.
+    $attendances = $DB->get_recordset('attendance', array(), '', 'courseid');
+    foreach ($attendances as $attendance) {
+        rebuild_course_cache($attendance->courseid, true);
+    }
+    $attendances->close();
 }
\ No newline at end of file