From 4d188ca5b0a0c26d60bd196511affa5d1cf6a582 Mon Sep 17 00:00:00 2001
From: Godfrey Chan <godfreykfc@gmail.com>
Date: Sat, 25 Oct 2014 02:37:57 -0700
Subject: [PATCH] Added back the `last_use` timestamp to the `AbstractAdapter`

This was removed in https://github.com/rails/rails/commit/9e457a8654fa89fe329719f88ae3679aefb21e56
---
 lib/freedom_patches/pool_drainer.rb | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

diff --git a/lib/freedom_patches/pool_drainer.rb b/lib/freedom_patches/pool_drainer.rb
index f953b32a42d..f6e2498a530 100644
--- a/lib/freedom_patches/pool_drainer.rb
+++ b/lib/freedom_patches/pool_drainer.rb
@@ -1,6 +1,29 @@
 
+if rails_master?
+  class ActiveRecord::ConnectionAdapters::AbstractAdapter
+    module LastUseExtension
+      attr_reader :last_use
+
+      def initialize(connection, logger = nil, pool = nil)
+        super
+        @last_use = false
+      end
+
+      def lease
+        synchronize do
+          unless in_use?
+            @last_use = Time.now
+            super
+          end
+        end
+      end
+    end
+
+    prepend LastUseExtension
+  end
+end
+
 class ActiveRecord::ConnectionAdapters::ConnectionPool
-
   # drain all idle connections
   # if idle_time is specified only connections idle for N seconds will be drained
   def drain(idle_time=nil)
@@ -29,5 +52,4 @@ class ActiveRecord::ConnectionAdapters::ConnectionPool
 
     false
   end
-
 end