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Fixed #30621 -- Fixed crash of __contains lookup for Date/DateTimeRangeField when the right hand side is the same type.

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Thanks Tilman Koschnick for the report and initial patch.
Thanks Carlton Gibson the review.

Regression in 6b048b364c.
This commit is contained in:
Mariusz Felisiak
2019-07-10 10:33:36 +02:00
committed by GitHub
parent ee6e93ec87
commit 7991111af1
6 changed files with 76 additions and 3 deletions
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52
tests/postgres_tests/test_constraints.py
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@@ -1,5 +1,7 @@
import datetime
from django.db import connection, transaction
from django.db.models import Q
from django.db.models import F, Q
from django.db.models.constraints import CheckConstraint
from django.db.utils import IntegrityError
@@ -33,3 +35,51 @@ class SchemaTests(PostgreSQLTestCase):
with self.assertRaises(IntegrityError), transaction.atomic():
RangesModel.objects.create(ints=(20, 50))
RangesModel.objects.create(ints=(10, 30))
def test_check_constraint_daterange_contains(self):
constraint_name = 'dates_contains'
self.assertNotIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
constraint = CheckConstraint(
check=Q(dates__contains=F('dates_inner')),
name=constraint_name,
)
with connection.schema_editor() as editor:
editor.add_constraint(RangesModel, constraint)
with connection.cursor() as cursor:
constraints = connection.introspection.get_constraints(cursor, RangesModel._meta.db_table)
self.assertIn(constraint_name, constraints)
date_1 = datetime.date(2016, 1, 1)
date_2 = datetime.date(2016, 1, 4)
with self.assertRaises(IntegrityError), transaction.atomic():
RangesModel.objects.create(
dates=(date_1, date_2),
dates_inner=(date_1, date_2.replace(day=5)),
)
RangesModel.objects.create(
dates=(date_1, date_2),
dates_inner=(date_1, date_2),
)
def test_check_constraint_datetimerange_contains(self):
constraint_name = 'timestamps_contains'
self.assertNotIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
constraint = CheckConstraint(
check=Q(timestamps__contains=F('timestamps_inner')),
name=constraint_name,
)
with connection.schema_editor() as editor:
editor.add_constraint(RangesModel, constraint)
with connection.cursor() as cursor:
constraints = connection.introspection.get_constraints(cursor, RangesModel._meta.db_table)
self.assertIn(constraint_name, constraints)
datetime_1 = datetime.datetime(2016, 1, 1)
datetime_2 = datetime.datetime(2016, 1, 2, 12)
with self.assertRaises(IntegrityError), transaction.atomic():
RangesModel.objects.create(
timestamps=(datetime_1, datetime_2),
timestamps_inner=(datetime_1, datetime_2.replace(hour=13)),
)
RangesModel.objects.create(
timestamps=(datetime_1, datetime_2),
timestamps_inner=(datetime_1, datetime_2),
)