From d22b2169f7151d076b06bfa5da85dbe5497d8ea4 Mon Sep 17 00:00:00 2001
From: Aaron Patterson <aaron.patterson@gmail.com>
Date: Fri, 30 Jul 2010 10:02:34 -0700
Subject: PERF: where is only ever called with 0 or 1 arguments. eliminate
 *args

---
 lib/arel/algebra/relations/relation.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'lib/arel/algebra')

diff --git a/lib/arel/algebra/relations/relation.rb b/lib/arel/algebra/relations/relation.rb
index 97aa779926..0441b14382 100644
--- a/lib/arel/algebra/relations/relation.rb
+++ b/lib/arel/algebra/relations/relation.rb
@@ -126,7 +126,7 @@ module Arel
       end
 
       %w{
-        having group order where project
+        having group order project
       }.each do |op|
         class_eval <<-OPERATION, __FILE__, __LINE__
           def #{op}(*args)
@@ -135,6 +135,10 @@ module Arel
         OPERATION
       end
 
+      def where clause = nil
+        clause ? Where.new(self, [clause]) : self
+      end
+
       def skip thing = nil
         thing ? Skip.new(self, thing) : self
       end
-- 
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