1 files changed, 6 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
index 949b8f7951..b753c248c5 100755
--- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
@@ -56,6 +56,12 @@ module ActiveRecord
         false
       end
 
+      # Does this adapter require the order columns to be in the select clause
+      # of a DISTINCT query?  This is +false+ in all adapters except postgresql.
+      def requires_order_columns_in_distinct_clause?
+        false
+      end
+
       def reset_runtime #:nodoc:
         rt, @runtime = @runtime, 0
         rt