1 files changed, 6 insertions, 0 deletions
diff --git a/lib/arel/sql/formatters.rb b/lib/arel/sql/formatters.rb
index 96bab2495c..5eab65726e 100644
--- a/lib/arel/sql/formatters.rb
+++ b/lib/arel/sql/formatters.rb
@@ -44,6 +44,12 @@ module Arel
       end
     end
     
+    class GroupClause < PassThrough
+      def attribute(attribute)
+        "#{quote_table_name(name_for(attribute.original_relation))}.#{quote_column_name(attribute.name)}"
+      end
+    end
+    
     class WhereCondition < Formatter
       def attribute(attribute)
         "#{quote_table_name(name_for(attribute.original_relation))}.#{quote_column_name(attribute.name)}"