From 9d4d399aa3296c40daed863a7ed31601c1c724c3 Mon Sep 17 00:00:00 2001
From: Thomas Mueller <thomas.mueller@tmit.eu>
Date: Tue, 12 Mar 2013 15:32:28 +0100
Subject: [PATCH 1/2] write error message to log file in case insert to file
 cache failed - took hours to find that the insert failed :-(

---
 lib/files/cache/cache.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/files/cache/cache.php b/lib/files/cache/cache.php
index f288919df7..1ff66f11f1 100644
--- a/lib/files/cache/cache.php
+++ b/lib/files/cache/cache.php
@@ -203,7 +203,10 @@ class Cache {
 
 			$query = \OC_DB::prepare('INSERT INTO `*PREFIX*filecache`(' . implode(', ', $queryParts) . ')'
 				. ' VALUES(' . implode(', ', $valuesPlaceholder) . ')');
-			$query->execute($params);
+			$result = $query->execute($params);
+			if (\MDB2::isError($result)) {
+				\OCP\Util::writeLog('cache', 'Insert to cache failed: '.$result, \OCP\Util::ERROR);
+			}
 
 			return (int)\OC_DB::insertid('*PREFIX*filecache');
 		}

From ec1685311258935548512be3698b59512b084de5 Mon Sep 17 00:00:00 2001
From: Thomas Mueller <thomas.mueller@tmit.eu>
Date: Tue, 12 Mar 2013 15:33:37 +0100
Subject: [PATCH 2/2] enable UTF-8 charset on mssql disable
 MDB2_PORTABILITY_EMPTY_TO_NULL for mssql to allow insert of empty string to
 no null fields

---
 lib/db.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/db.php b/lib/db.php
index 347deac851..9699b216f6 100644
--- a/lib/db.php
+++ b/lib/db.php
@@ -292,8 +292,10 @@ class OC_DB {
 						'username' => $user,
 						'password' => $pass,
 						'hostspec' => $host,
-						'database' => $name
-					);                    
+						'database' => $name,
+						'charset' => 'UTF-8'
+					);
+					$options['portability'] = $options['portability'] - MDB2_PORTABILITY_EMPTY_TO_NULL;
 					break;
 				default:
 					return false;