From cfbdf4d2a0902c88b72ebdf9bb86760104cbfd62 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20S=CC=8Ckoda?= <commits@skodak.org>
Date: Mon, 8 Apr 2013 13:17:56 +0200
Subject: [PATCH] MDL-39028 fix sqlsrv concat type conversion

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

diff --git a/lib/dml/sqlsrv_native_moodle_database.php b/lib/dml/sqlsrv_native_moodle_database.php
index 6fc935dc046..09fa92efc37 100644
--- a/lib/dml/sqlsrv_native_moodle_database.php
+++ b/lib/dml/sqlsrv_native_moodle_database.php
@@ -1241,7 +1241,7 @@ class sqlsrv_native_moodle_database extends moodle_database {
         $arr = func_get_args();
 
         foreach ($arr as $key => $ele) {
-            $arr[$key] = ' CAST('.$ele.' AS VARCHAR(255)) ';
+            $arr[$key] = ' CAST('.$ele.' AS NVARCHAR(255)) ';
         }
         $s = implode(' + ', $arr);