commit d006a7cdf278f2217d7f8c391066f7166e9d5539
Author: Kirill Astashov <kirill.astashov@netspot.com.au>
Date:   Fri Aug 26 15:31:40 2011 +0930

    UNSW2-139: Fix Error reading from databse for separate groups courses

diff --git a/course/recent_form.php b/course/recent_form.php
index a9f78ef..49b04e2 100644
--- a/course/recent_form.php
+++ b/course/recent_form.php
@@ -60,9 +60,21 @@ class recent_form extends moodleform {
                 $group = '';
             }
 
-            if ($enrolled = get_enrolled_users($context, null, $group, user_picture::fields('u'))) {
-                foreach ($enrolled as $euser) {
-                    $options[$euser->id] = fullname($euser, $viewfullnames);
+            if (!empty($group)) {
+                foreach ($group[0] AS $groupid) {
+                    if ($enrolled = get_enrolled_users($context, null, $groupid, user_picture::fields('u'))) {
+                        foreach ($enrolled as $euser) {
+                            if (!array_key_exists($euser->id, $options)) {
+                                $options[$euser->id] = fullname($euser, $viewfullnames);
+                            }
+                        }
+                    }
+                }
+            } else {
+                if ($enrolled = get_enrolled_users($context, null, $group, user_picture::fields('u'))) {
+                    foreach ($enrolled as $euser) {
+                        $options[$euser->id] = fullname($euser, $viewfullnames);
+                    }
                 }
             }
             $mform->addElement('select', 'user', get_string('participants'), $options);