From 57352f86d43f6d3ee30f07d795087e68bf07f521 Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Tue, 24 Apr 2007 16:58:24 +0000
Subject: Improved performance by relying less on exception raising #8159
 [Blaine]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6571 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 activerecord/lib/active_record/base.rb | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'activerecord/lib/active_record/base.rb')

diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index c46e97b1b7..d1e70ce04d 100755
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -2231,7 +2231,13 @@ module ActiveRecord #:nodoc:
 
       def clone_attribute_value(reader_method, attribute_name)
         value = send(reader_method, attribute_name)
-        value.clone
+
+        case value
+        when nil, Fixnum, true, false
+          value
+        else
+          value.clone
+        end
       rescue TypeError, NoMethodError
         value
       end
-- 
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