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Fix setting fields to null using bulk_update #98

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Fix setting fields to null using bulk_update #98

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14 changes: 13 additions & 1 deletion testapp/tests/test_expressions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@
from django.db.models.expressions import Case, Exists, OuterRef, Subquery, Value, When
from django.test import TestCase

from ..models import Author, Comment, Post
from ..models import Author, Comment, Editor, Post

DJANGO3 = VERSION[0] >= 3

Expand All @@ -22,6 +22,18 @@ def test_with_count(self):
).filter(post_exists=True).count()


class TestBulkUpdate(TestCase):
def test_set_null(self):
author = Author.objects.create(name="author")
editor = Editor.objects.create(name="editor")

posts = [
Post.objects.create(title="foo", author=author, alt_editor=editor),
]
posts[0].alt_editor = None
Post.objects.bulk_update(posts, ['alt_editor'])


class TestExists(TestCase):
def setUp(self):
self.author = Author.objects.create(name="author")
Expand Down