'If the extra clause uses an SQL keyword for a name, it will be
protected by quoting.'

def test_extra_ordering_quoting(self):

    self.assertQuerysetEqual(Article.objects.extra(select={'order': 'pub_date'}, order_by=['order', 'headline']), ['Article    1', 'Article    2', 'Article    3', 'Article    4'], attrgetter('headline'))
