From 7b62f9ccd7f4e730c51db005e39410d96736356c Mon Sep 17 00:00:00 2001
From: Sam <sam.saffron@gmail.com>
Date: Tue, 3 Sep 2013 19:11:55 +1000
Subject: [PATCH] more fixes for rails 4

---
 lib/freedom_patches/ar_result.rb | 33 ++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 lib/freedom_patches/ar_result.rb

diff --git a/lib/freedom_patches/ar_result.rb b/lib/freedom_patches/ar_result.rb
new file mode 100644
index 00000000000..99e38fe8d79
--- /dev/null
+++ b/lib/freedom_patches/ar_result.rb
@@ -0,0 +1,33 @@
+#see: https://github.com/rails/rails/pull/12065
+if rails4?
+  module ActiveRecord
+    class Result
+      private
+      def hash_rows
+        @hash_rows ||=
+          begin
+            # We freeze the strings to prevent them getting duped when
+            # used as keys in ActiveRecord::Base's @attributes hash
+            columns = @columns.map { |c| c.dup.freeze }
+            @rows.map { |row|
+              # In the past we used Hash[columns.zip(row)]
+              #  though elegant, the verbose way is much more efficient
+              #  both time and memory wise cause it avoids a big array allocation
+              #  this method is called a lot and needs to be micro optimised
+              hash = {}
+
+              index = 0
+              length = columns.length
+
+              while index < length
+                hash[columns[index]] = row[index]
+                index += 1
+              end
+
+              hash
+            }
+          end
+      end
+    end
+  end
+end