diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/regressiontests/model_inheritance_regress/models.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tests/regressiontests/model_inheritance_regress/models.py b/tests/regressiontests/model_inheritance_regress/models.py index 2777d1f23a..06a886e0be 100644 --- a/tests/regressiontests/model_inheritance_regress/models.py +++ b/tests/regressiontests/model_inheritance_regress/models.py @@ -257,4 +257,14 @@ DoesNotExist: ArticleWithAuthor matching query does not exist. # without error. >>> _ = QualityControl.objects.create(headline="Problems in Django", pub_date=datetime.datetime.now(), quality=10, assignee="adrian") +# Ordering should not include any database column more than once (this is most +# likely to ocurr naturally with model inheritance, so we check it here). +# Regression test for #9390. This necessarily pokes at the SQL string for the +# query, since the duplicate problems are only apparent at that late stage. +>>> sql = ArticleWithAuthor.objects.order_by('pub_date', 'pk').query.as_sql()[0] +>>> fragment = sql[sql.find('ORDER BY'):] +>>> pos = fragment.find('pub_date') +>>> fragment.find('pub_date', pos + 1) == -1 +True + """} |