From 1b64533069145f8dcf8df7d1de0b84c2308ee20c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20S=CC=8Ckoda?= <commits@skodak.org>
Date: Mon, 8 Apr 2013 10:06:55 +0200
Subject: [PATCH] MDL-39019 make sure MSSQL does not return non-string data
 types

---
 lib/dml/mssql_native_moodle_recordset.php | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/dml/mssql_native_moodle_recordset.php b/lib/dml/mssql_native_moodle_recordset.php
index 1bc800bdda4..39cf1ebe0ed 100644
--- a/lib/dml/mssql_native_moodle_recordset.php
+++ b/lib/dml/mssql_native_moodle_recordset.php
@@ -51,6 +51,15 @@ class mssql_native_moodle_recordset extends moodle_recordset {
         }
 
         $row = array_change_key_case($row, CASE_LOWER);
+        // Moodle expects everything from DB as strings.
+        foreach ($row as $k=>$v) {
+            if (is_null($v)) {
+                continue;
+            }
+            if (!is_string($v)) {
+                $row[$k] = (string)$v;
+            }
+        }
         return $row;
     }