From 37e29169e0030742750f220b747f56e98d38cdea Mon Sep 17 00:00:00 2001
From: Vincent Petry <pvince81@owncloud.com>
Date: Thu, 8 May 2014 13:33:55 +0200
Subject: [PATCH] Fix getPathById for Oracle

Added extra code to handle the case of Oracle which saves empty strings
as null values.

Backport of 05dc694 from master
---
 lib/private/files/cache/cache.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/private/files/cache/cache.php b/lib/private/files/cache/cache.php
index b5e27d6fa6e..e2595132557 100644
--- a/lib/private/files/cache/cache.php
+++ b/lib/private/files/cache/cache.php
@@ -589,6 +589,10 @@ class Cache {
 		$sql = 'SELECT `path` FROM `*PREFIX*filecache` WHERE `fileid` = ? AND `storage` = ?';
 		$result = \OC_DB::executeAudited($sql, array($id, $this->getNumericStorageId()));
 		if ($row = $result->fetchRow()) {
+			// Oracle stores empty strings as null...
+			if ($row['path'] === null) {
+				return '';
+			}
 			return $row['path'];
 		} else {
 			return null;