From d0b47c64e2c44ef1cc0e9cfb3dc8681599d4d1f3 Mon Sep 17 00:00:00 2001
From: Emilio Tagua <miloops@gmail.com>
Date: Mon, 22 Mar 2010 15:49:56 -0300
Subject: Fix uninitialized ivar warning

---
 lib/arel/algebra/relations/utilities/compound.rb | 1 +
 1 file changed, 1 insertion(+)

(limited to 'lib')

diff --git a/lib/arel/algebra/relations/utilities/compound.rb b/lib/arel/algebra/relations/utilities/compound.rb
index 882cf8a76b..0734842b27 100644
--- a/lib/arel/algebra/relations/utilities/compound.rb
+++ b/lib/arel/algebra/relations/utilities/compound.rb
@@ -6,6 +6,7 @@ module Arel
              :to => :relation
 
     def self.requires(feature = nil)
+      @requires ||= nil
       @requires = feature if feature
       @requires
     end
-- 
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