From d33723aa841389cfc8142c15cc8a34800c4c3434 Mon Sep 17 00:00:00 2001
From: Matchu <matchu1993@gmail.com>
Date: Wed, 17 Nov 2010 00:30:17 -0500
Subject: [PATCH] implement condition negation manually, since removed from
 arel 2

---
 app/models/item.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/models/item.rb b/app/models/item.rb
index 2676c998..c670e9e0 100644
--- a/app/models/item.rb
+++ b/app/models/item.rb
@@ -262,7 +262,7 @@ class Item < ActiveRecord::Base
     SearchFilterScopes << name.to_s
     scope "search_filter_#{name}", lambda { |str, negative|
       condition = yield(str)
-      condition = not(condition) if negative
+      condition = "!(#{condition.to_sql})" if negative
       rel = where(condition)
       rel = rel & args[:scope] if args[:scope]
       rel