From 460eb83de0579c36d96410e48a1385987ad0020c Mon Sep 17 00:00:00 2001
From: Aaron Patterson <aaron.patterson@gmail.com>
Date: Wed, 18 Sep 2013 16:14:41 -0700
Subject: support objects with blank string primary keys

---
 activerecord/lib/active_record/core.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'activerecord/lib')

diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb
index 0bc6933918..5e6fee52f7 100644
--- a/activerecord/lib/active_record/core.rb
+++ b/activerecord/lib/active_record/core.rb
@@ -284,7 +284,7 @@ module ActiveRecord
     def ==(comparison_object)
       super ||
         comparison_object.instance_of?(self.class) &&
-        id.present? &&
+        id &&
         comparison_object.id == id
     end
     alias :eql? :==
-- 
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