From b9fb0f262371a668865d0987585933add7085670 Mon Sep 17 00:00:00 2001
From: Michael Grosser <michael@grosser.it>
Date: Thu, 5 Nov 2015 17:43:22 -0800
Subject: cache nil replies from backend cache so misses are fast too

---
 activesupport/lib/active_support/cache/strategy/local_cache.rb | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'activesupport/lib/active_support/cache/strategy/local_cache.rb')

diff --git a/activesupport/lib/active_support/cache/strategy/local_cache.rb b/activesupport/lib/active_support/cache/strategy/local_cache.rb
index fe5bc82c30..e1da2be2d4 100644
--- a/activesupport/lib/active_support/cache/strategy/local_cache.rb
+++ b/activesupport/lib/active_support/cache/strategy/local_cache.rb
@@ -48,6 +48,10 @@ module ActiveSupport
             @data.clear
           end
 
+          def fetch(*args, &block)
+            @data.fetch(*args, &block)
+          end
+
           def read_entry(key, options)
             @data[key]
           end
@@ -99,12 +103,11 @@ module ActiveSupport
         protected
           def read_entry(key, options) # :nodoc:
             if local_cache
-              entry = local_cache.read_entry(key, options)
-              unless entry
+              local_cache.fetch(key) do
                 entry = super
                 local_cache.write_entry(key, entry, options)
+                entry
               end
-              entry
             else
               super
             end
-- 
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