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Fixed #34554 -- Fixed Reverse(Value(…)) crash on Oracle.

This commit is contained in:
Mariusz Felisiak 2023-05-10 17:22:45 +02:00 committed by GitHub
parent c494c6974d
commit 6e32d1fa1d
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2 changed files with 11 additions and 7 deletions

View File

@ -257,7 +257,7 @@ class Reverse(Transform):
def as_oracle(self, compiler, connection, **extra_context):
# REVERSE in Oracle is undocumented and doesn't support multi-byte
# strings. Use a special subquery instead.
return super().as_sql(
sql, params = super().as_sql(
compiler,
connection,
template=(
@ -268,6 +268,7 @@ class Reverse(Transform):
),
**extra_context,
)
return sql, params * 3
class Right(Left):

View File

@ -1,5 +1,5 @@
from django.db import connection
from django.db.models import CharField
from django.db.models import CharField, Value
from django.db.models.functions import Length, Reverse, Trim
from django.test import TestCase
from django.test.utils import register_lookup
@ -24,15 +24,18 @@ class ReverseTests(TestCase):
)
def test_basic(self):
authors = Author.objects.annotate(backward=Reverse("name"))
authors = Author.objects.annotate(
backward=Reverse("name"),
constant=Reverse(Value("static string")),
)
self.assertQuerySetEqual(
authors,
[
("John Smith", "htimS nhoJ"),
("Élena Jordan", "nadroJ anelÉ"),
("パイソン", "ンソイパ"),
("John Smith", "htimS nhoJ", "gnirts citats"),
("Élena Jordan", "nadroJ anelÉ", "gnirts citats"),
("パイソン", "ンソイパ", "gnirts citats"),
],
lambda a: (a.name, a.backward),
lambda a: (a.name, a.backward, a.constant),
ordered=False,
)