#29214: SQL-error when updating after annotating using subquery -------------------------------------+------------------------------------- Reporter: Oskar | Owner: nobody Persson | Type: Bug | Status: new Component: Database | Version: 1.11 layer (models, ORM) | Keywords: queryset Severity: Normal | annotations Triage Stage: | Has patch: 0 Unreviewed | Needs documentation: 0 | Needs tests: 0 Patch needs improvement: 0 | Easy pickings: 0 UI/UX: 0 | -------------------------------------+------------------------------------- An SQL-error is raised when updating a queryset which includes an annotation created using a subquery, which in turn also uses an annotation.
{{{ class Recursive(models.Model): name = models.CharField(max_length=10) link = models.IntegerField() parent = models.ForeignKey('self', models.CASCADE, null=True) rec1 = Recursive.objects.create(name="r1", link=1) rec2 = Recursive.objects.create(name="r2", link=1) rec3 = Recursive.objects.create(name="r11", parent=rec1, link=2) latest_parent = Recursive.objects.filter(link=OuterRef('parent_link')).order_by('id') Recursive.objects.filter(parent__isnull=False) \ .annotate(parent_link=F('parent__link')) \ .annotate(p=Subquery(latest_parent.values('pk')[:1])) \ .update(parent_id=F('p')) }}} {{{ Traceback (most recent call last): File "tests.py", line 88, in test_update_annotated_using_related_queryset .update(parent_id=F('p')) File "/git/django/django/db/models/query.py", line 647, in update rows = query.get_compiler(self.db).execute_sql(CURSOR) File "/git/django/django/db/models/sql/compiler.py", line 1204, in execute_sql cursor = super(SQLUpdateCompiler, self).execute_sql(result_type) File "/git/django/django/db/models/sql/compiler.py", line 899, in execute_sql raise original_exception OperationalError: no such column: T2.link }}} I've tried this in SQLite and MySQL in Django 1.11.11 and Django 2.0 using Python 3.6.0. All raising similar errors. -- Ticket URL: <https://code.djangoproject.com/ticket/29214> Django <https://code.djangoproject.com/> The Web framework for perfectionists with deadlines. -- You received this message because you are subscribed to the Google Groups "Django updates" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-updates+unsubscr...@googlegroups.com. To post to this group, send email to django-updates@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/django-updates/055.f473a6f0158d19b4cb0ad68322705a30%40djangoproject.com. For more options, visit https://groups.google.com/d/optout.