From e1155aa922a04e1cce60a660b4b779bfe3d7d7f5 Mon Sep 17 00:00:00 2001
From: Aaron Patterson <aaron.patterson@gmail.com>
Date: Sat, 14 Aug 2010 19:48:33 -0700
Subject: update is working on the select manager

---
 lib/arel/visitors/to_sql.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/arel/visitors')

diff --git a/lib/arel/visitors/to_sql.rb b/lib/arel/visitors/to_sql.rb
index 4c2a6a10e4..5536ba0267 100644
--- a/lib/arel/visitors/to_sql.rb
+++ b/lib/arel/visitors/to_sql.rb
@@ -16,7 +16,7 @@ module Arel
         [
           "UPDATE #{visit o.relation}",
           ("SET #{o.values.map { |column,value|
-              "#{quote_column_name(column.name)} = #{quote visit value}"
+              "#{quote_column_name(column.name)} = #{value ? quote(visit(value)) : 'NULL'}"
             }.join ', '}" unless o.values.empty?),
           ("WHERE #{o.wheres.map { |x| visit x }.join ' AND '}" unless o.wheres.empty?)
         ].compact.join ' '
-- 
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