From 65be11a961fb9ddf5aa61d8d984415368df1dd3c Mon Sep 17 00:00:00 2001
From: Thomas Schmidt <tschmidt@suse.de>
Date: Fri, 9 Mar 2012 15:23:03 +0100
Subject: [PATCH] inject escape key method

---
 config/initializers/extend_memcache.rb | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 config/initializers/extend_memcache.rb

diff --git a/config/initializers/extend_memcache.rb b/config/initializers/extend_memcache.rb
new file mode 100644
index 000000000..ea90c08ea
--- /dev/null
+++ b/config/initializers/extend_memcache.rb
@@ -0,0 +1,15 @@
+#
+# method copied from rails3 MemCacheStore
+#
+
+module ActiveSupport
+
+  class Cache::CompressedMemCacheStore
+    def escape_key(key)
+      key = key.to_s.gsub(/[\x00-\x20%\x7F-\xFF]/, '_')
+      key = "#{key[0, 213]}:md5:#{Digest::MD5.hexdigest(key)}" if key.size > 250
+      key
+    end
+  end
+end
+