From 184aa32810dc6bbae2ce9d6fe4c55872e0ac1584 Mon Sep 17 00:00:00 2001
From: Andreas Grabs <info@grabs-edv.de>
Date: Tue, 27 Apr 2010 18:33:27 +0000
Subject: [PATCH] Add a DISTINCT clause in a SELECT statement

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

diff --git a/mod/feedback/lib.php b/mod/feedback/lib.php
index c5cdc925f4b..66bb237e615 100644
--- a/mod/feedback/lib.php
+++ b/mod/feedback/lib.php
@@ -725,7 +725,7 @@ function feedback_get_complete_users($cm, $group = false) {
         $wheregroup = ' AND g.groupid = ? AND g.userid = c.userid';
         $params[] = $group;
     }
-    $sql = 'SELECT u.* FROM {user} u, {feedback_completed} c'.$fromgroup.'
+    $sql = 'SELECT DISTINCT u.* FROM {user} u, {feedback_completed} c'.$fromgroup.'
               WHERE u.id = c.userid AND c.feedback = ?
               '.$wheregroup.'
               ORDER BY u.lastname';