validates_uniqueness_of does not quote scoped column names and then barfs

this is a silly bug that breaks any code where the column name of a
scope is a reserved word (like group):

cfp:/opt/local/lib/ruby/gems/1.8/gems/activerecord-2.3.8 > diff -buB
lib/active_record/validations.rb.org lib/active_record/validations.rb

--- lib/active_record/validations.rb.org 2010-06-19
09:38:42.000000000 -0600
+++ lib/active_record/validations.rb 2010-06-19 09:39:01.000000000
-0600
@@ -825,7 +825,7 @@
           if scope = configuration[:scope]
             Array(scope).map do |scope_item|
               scope_value = record.send(scope_item)
- condition_sql << " AND " <<
attribute_condition("#{record.class.quoted_table_name}.#{scope_item}",
scope_value)
+ condition_sql << " AND " <<
attribute_condition("#{record.class.quoted_table_name}.#{connection.quote_column_name(scope_item)}",
scope_value)
               condition_params << scope_value
             end
           end

Could you open an issue on LH and attach a patch following the guidelines? So core team can make the patch yours.
Thank you ;).

https://rails.lighthouseapp.com/projects/8994-ruby-on-rails/tickets/4909-validates_uniqueness_of-does-not-quote-scoped-column-names-and-then-barfs

I replied your ticket asking to follow https://rails.lighthouseapp.com/projects/8994/sending-patches and to do a test case for this issue.
Thank you ara.t.howard.