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Fixed #30484 -- Added conditional expressions support to CheckConstraint.

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Simon Charette 2019-11-15 00:08:36 -05:00 • committed by Mariusz Felisiak
parent 37e6c5b79b
commit e9a0e1d4f6
7 changed files with 84 additions and 19 deletions
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19
tests/queries/test_query.py
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@ -1,8 +1,8 @@
from datetime import datetime
from django.core.exceptions import FieldError
from django.db.models import CharField, F, Q
from django.db.models.expressions import Col
from django.db.models import BooleanField, CharField, F, Q
from django.db.models.expressions import Col, Func
from django.db.models.fields.related_lookups import RelatedIsNull
from django.db.models.functions import Lower
from django.db.models.lookups import Exact, GreaterThan, IsNull, LessThan
@ -129,3 +129,18 @@ class TestQuery(SimpleTestCase):
name_exact = where.children[0]
self.assertIsInstance(name_exact, Exact)
self.assertEqual(name_exact.rhs, "['a', 'b']")
def test_filter_conditional(self):
query = Query(Item)
where = query.build_where(Func(output_field=BooleanField()))
exact = where.children[0]
self.assertIsInstance(exact, Exact)
self.assertIsInstance(exact.lhs, Func)
self.assertIs(exact.rhs, True)
def test_filter_conditional_join(self):
query = Query(Item)
filter_expr = Func('note__note', output_field=BooleanField())
msg = 'Joined field references are not permitted in this query'
with self.assertRaisesMessage(FieldError, msg):
query.build_where(filter_expr)