1 files changed, 2 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index 8ae636afbb..ede60e3f6d 100755
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -1115,10 +1115,11 @@ module ActiveRecord #:nodoc:
       # an SQL statement. 
       def attributes_with_quotes(include_primary_key = true)
         columns_hash = self.class.columns_hash
-        @attributes.inject({}) do |attrs_quoted, pair| 
+        attrs_quoted = @attributes.inject({}) do |attrs_quoted, pair| 
           attrs_quoted[pair.first] = quote(pair.last, columns_hash[pair.first]) unless !include_primary_key && pair.first == self.class.primary_key
           attrs_quoted
         end
+        attrs_quoted.delete_if { | key, value | !self.class.columns_hash.keys.include?(key) }
       end
       
       # Quote strings appropriately for SQL statements.