From 83592292768de6c093eea06289470154761f3825 Mon Sep 17 00:00:00 2001
From: Pratik Naik <pratiknaik@gmail.com>
Date: Wed, 13 Jan 2010 13:08:42 +0530
Subject: Make sure string join relations can be chained

---
 lib/arel/algebra/relations/operations/join.rb | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'lib')

diff --git a/lib/arel/algebra/relations/operations/join.rb b/lib/arel/algebra/relations/operations/join.rb
index e9320f28e1..df457686cc 100644
--- a/lib/arel/algebra/relations/operations/join.rb
+++ b/lib/arel/algebra/relations/operations/join.rb
@@ -47,6 +47,10 @@ module Arel
   class InnerJoin  < Join; end
   class OuterJoin  < Join; end
   class StringJoin < Join
+    def externalizable?
+      relation1.externalizable?
+    end
+
     def attributes
       relation1.externalize.attributes
     end
-- 
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