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Code Issues 25 Releases Wiki Activity

Fixed #34378 -- Made QuerySet.in_bulk() not clear odering when id_list is passed.

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This reverts 340eaded4e.
This commit is contained in:
Ekaterina Vahrusheva 2023-03-02 21:38:05 +03:00 committed by Mariusz Felisiak
parent 56e5ea805b
commit 55bcbd8d17
2 changed files with 31 additions and 2 deletions
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4
django/db/models/query.py
View File

@ -1108,9 +1108,9 @@ class QuerySet(AltersData):
qs = ()
for offset in range(0, len(id_list), batch_size):
batch = id_list[offset : offset + batch_size]
qs += tuple(self.filter(**{filter_key: batch}).order_by())
qs += tuple(self.filter(**{filter_key: batch}))
else:
qs = self.filter(**{filter_key: id_list}).order_by()
qs = self.filter(**{filter_key: id_list})
else:
qs = self._chain()
return {getattr(obj, field_name): obj for obj in qs}

29
tests/lookup/tests.py
View File

@ -246,6 +246,35 @@ class LookupTests(TestCase):
with self.assertRaisesMessage(ValueError, msg):
Article.objects.in_bulk([self.au1], field_name="author")
@skipUnlessDBFeature("can_distinct_on_fields")
def test_in_bulk_preserve_ordering(self):
articles = (
Article.objects.order_by("author_id", "-pub_date")
.distinct("author_id")
.in_bulk([self.au1.id, self.au2.id], field_name="author_id")
)
self.assertEqual(
articles,
{self.au1.id: self.a4, self.au2.id: self.a5},
)
@skipUnlessDBFeature("can_distinct_on_fields")
def test_in_bulk_preserve_ordering_with_batch_size(self):
old_max_query_params = connection.features.max_query_params
connection.features.max_query_params = 1
try:
articles = (
Article.objects.order_by("author_id", "-pub_date")
.distinct("author_id")
.in_bulk([self.au1.id, self.au2.id], field_name="author_id")
)
self.assertEqual(
articles,
{self.au1.id: self.a4, self.au2.id: self.a5},
)
finally:
connection.features.max_query_params = old_max_query_params
@skipUnlessDBFeature("can_distinct_on_fields")
def test_in_bulk_distinct_field(self):
self.assertEqual(