Added a skip for a test that fails in Oracle. Unlike other backends, Oracle does not allow duplicate rows where there is a unique_together constraint for which some but not all of the columns are NULL.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@15777 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Ian Kelly 2011-03-08 22:41:25 +00:00
parent 409435440a
commit d9e61a435a
3 changed files with 9 additions and 1 deletions

View File

@ -266,6 +266,10 @@ class BaseDatabaseFeatures(object):
# Does the backend distinguish between '' and None?
interprets_empty_strings_as_nulls = False
# Does the backend allow inserting duplicate rows when a unique_together
# constraint exists, but one of the unique_together columns is NULL?
ignores_nulls_in_unique_constraints = True
can_use_chunked_reads = True
can_return_id_from_insert = False
uses_autocommit = False

View File

@ -76,6 +76,7 @@ class DatabaseFeatures(BaseDatabaseFeatures):
supports_timezones = False
supports_bitwise_or = False
can_defer_constraint_checks = True
ignores_nulls_in_unique_constraints = False
class DatabaseOperations(BaseDatabaseOperations):
compiler_module = "django.db.backends.oracle.compiler"

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@ -7,7 +7,7 @@ from django import forms
from django.db import models
from django.forms.models import (_get_foreign_key, inlineformset_factory,
modelformset_factory, modelformset_factory)
from django.test import TestCase
from django.test import TestCase, skipUnlessDBFeature
from modeltests.model_formsets.models import (
Author, BetterAuthor, Book, BookWithCustomPK, Editor,
@ -577,10 +577,13 @@ class ModelFormsetTest(TestCase):
self.assertEqual(book1.title, 'Flowers of Evil')
self.assertEqual(book1.notes, 'English translation of Les Fleurs du Mal')
@skipUnlessDBFeature('ignores_nulls_in_unique_constraints')
def test_inline_formsets_with_nullable_unique_together(self):
# Test inline formsets where the inline-edited object has a
# unique_together constraint with a nullable member
AuthorBooksFormSet4 = inlineformset_factory(Author, BookWithOptionalAltEditor, can_delete=False, extra=2)
author = Author.objects.create(pk=1, name='Charles Baudelaire')
data = {
'bookwithoptionalalteditor_set-TOTAL_FORMS': '2', # the number of forms rendered