When use where more than once on the same column, relation doesn't do an 'or'...

When use where more than once on the same column, relation doesn't do an 'or' or 'in' with the values

activerecord/test/cases/relations_test.rb

@@ -451,6 +451,15 @@ def test_find_by_id_with_list_of_ar
     assert_equal author, authors
   end
 
+  def test_find_all_using_where_twice_should_or_the_relation
+    david = authors(:david)
+    relation = Author.unscoped
+    relation = relation.where(:name => david.name)
+    relation = relation.where(:name => 'Santiago')
+    relation = relation.where(:id => david.id)
+    assert_equal [david], relation.all
+  end
+
   def test_exists
     davids = Author.where(:name => 'David')
     assert davids.exists?