Failing spec for AR4 + custom select + count

refs #409

spec/models/active_record/active_record_relation_methods_spec.rb

@@ -19,22 +19,32 @@ if defined? ActiveRecord
           @author.readers.by_read_count.page(1).total_count.should == @readers.size
         end
       end
+
       context "when the scope use conditions on includes" do
         it "should keep includes and successfully count the results" do
           # Only @author and @author2 have books titled with the title00x partern
           User.includes(:books_authored).where("books.title LIKE 'title00%'").page(1).total_count.should == 2
         end
       end
+
+      context 'when the Relation has custom select clause' do
+        specify do
+          lambda { User.select('*, 1 as one').page(1).total_count }.should_not raise_exception
+        end
+      end
+
       context "when total_count receives options" do
         it "should return a distinct total count" do
           User.page(1).total_count(:name, :distinct => true).should == 4
         end
       end
+
       context "when count receives options" do
         it "should return a distinct set by column" do
           User.page(1).count(:name, :distinct => true).should == 4
         end
       end
+
       context "when the scope returns an ActiveSupport::OrderedHash" do
         it "should not throw exception by passing options to count" do
           lambda {