From a32f69cf6c795b62c70c6319052cc252d15c02aa Mon Sep 17 00:00:00 2001
From: Chuck Hagenbuch <chuck@horde.org>
Date: Sun, 3 Oct 2010 13:39:28 -0400
Subject: [PATCH] Horde_Cache wants strings, so use '' instead of null

---
 framework/Db/lib/Horde/Db/Adapter/Base/Schema.php | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/framework/Db/lib/Horde/Db/Adapter/Base/Schema.php b/framework/Db/lib/Horde/Db/Adapter/Base/Schema.php
index 9c092363c..49ac4755b 100644
--- a/framework/Db/lib/Horde/Db/Adapter/Base/Schema.php
+++ b/framework/Db/lib/Horde/Db/Adapter/Base/Schema.php
@@ -803,8 +803,7 @@ abstract class Horde_Db_Adapter_Base_Schema
      */
     protected function _clearTableCache($tableName)
     {
-        $this->_cache->set("tables/columns/$tableName", null);
-        $this->_cache->set("tables/indexes/$tableName", null);
+        $this->_cache->set("tables/columns/$tableName", '');
+        $this->_cache->set("tables/indexes/$tableName", '');
     }
-
 }
-- 
2.11.0