From 6c6b8ad2f03f6eb473241579c75f74cd0e2345c5 Mon Sep 17 00:00:00 2001
From: Petr Skoda <commits@skodak.org>
Date: Sat, 2 Jul 2011 15:16:02 +0200
Subject: [PATCH] MDL-27375 add missing lowercasing of external column names

Credit goes to Gail Preuninger.
---
 enrol/database/lib.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/enrol/database/lib.php b/enrol/database/lib.php
index 818b05ecc26..987e0e73f96 100644
--- a/enrol/database/lib.php
+++ b/enrol/database/lib.php
@@ -111,6 +111,7 @@ class enrol_database_plugin extends enrol_plugin {
         if ($rs = $extdb->Execute($sql)) {
             if (!$rs->EOF) {
                 while ($fields = $rs->FetchRow()) {
+                    $fields = array_change_key_case($fields, CASE_LOWER);
                     $fields = $this->db_decode($fields);
 
                     if (empty($fields[$coursefield])) {