Ordering with extra spaces was raising a SQL exception

activerecord/lib/active_record/relation/query_methods.rb

@@ -311,6 +311,7 @@ module ActiveRecord
           o.reverse
         when String, Symbol
           o.to_s.split(',').collect do |s|
+            s.strip!
             s.gsub!(/\sasc\Z/i, ' DESC') || s.gsub!(/\sdesc\Z/i, ' ASC') || s.concat(' DESC')
           end
         else

activerecord/test/cases/relations_test.rb

@@ -961,4 +961,8 @@ class RelationTest < ActiveRecord::TestCase
 
     assert scope.eager_loading?
   end
+
+  def test_ordering_with_extra_spaces
+    assert_equal authors(:david), Author.order('organization_id ASC , owned_essay_id DESC').last
+  end
 end