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[1.8.x] Fixed #26071 -- Fixed crash with __in lookup in a Case expression.

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Partial backport of afe0bb7b13 from master.
This commit is contained in:
Alberto Avila
2016-01-08 14:20:15 -06:00
committed by Tim Graham
parent e625859f08
commit 5b3c66d8b6
4 changed files with 36 additions and 4 deletions
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13
tests/expressions_case/tests.py
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@@ -8,7 +8,7 @@ from uuid import UUID
from django.core.exceptions import FieldError
from django.db import connection, models
from django.db.models import F, Q, Max, Min, Value
from django.db.models import F, Q, Max, Min, Sum, Value
from django.db.models.expressions import Case, When
from django.test import TestCase
from django.utils import six
@@ -119,6 +119,17 @@ class CaseExpressionTests(TestCase):
transform=attrgetter('integer', 'join_test')
)
def test_annotate_with_in_clause(self):
fk_rels = FKCaseTestModel.objects.filter(integer__in=[5])
self.assertQuerysetEqual(
CaseTestModel.objects.only('pk', 'integer').annotate(in_test=Sum(Case(
When(fk_rel__in=fk_rels, then=F('fk_rel__integer')),
default=Value(0),
))).order_by('pk'),
[(1, 0), (2, 0), (3, 0), (2, 0), (3, 0), (3, 0), (4, 5)],
transform=attrgetter('integer', 'in_test')
)
def test_annotate_with_join_in_condition(self):
self.assertQuerysetEqual(
CaseTestModel.objects.annotate(join_test=Case(