From 954ba4bce4ad0e21e0219878f6bc17e64370cbb4 Mon Sep 17 00:00:00 2001
From: Tony Levi <tony.levi@netspot.com.au>
Date: Thu, 6 Jun 2013 14:11:19 +0930
Subject: [PATCH] MDL-40035: Avoid rebuild_course_cache always for empty course

---
 lib/modinfolib.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/modinfolib.php b/lib/modinfolib.php
index 625284600fd..e6963e0a999 100644
--- a/lib/modinfolib.php
+++ b/lib/modinfolib.php
@@ -275,7 +275,7 @@ class course_modinfo extends stdClass {
 
         // Load sectioncache field into memory as PHP object and check it's valid
         $sectioncache = unserialize($course->sectioncache);
-        if (!is_array($sectioncache) || empty($sectioncache)) {
+        if (!is_array($sectioncache)) {
             // hmm, something is wrong - let's fix it
             rebuild_course_cache($course->id);
             $course->sectioncache = $DB->get_field('course', 'sectioncache', array('id'=>$course->id));