summaryrefslogtreecommitdiff
path: root/tests/aggregation
diff options
context:
space:
mode:
authorMariusz Felisiak <felisiak.mariusz@gmail.com>2023-01-16 10:22:02 +0100
committerMariusz Felisiak <felisiak.mariusz@gmail.com>2023-01-17 08:24:08 +0100
commit0e2649fdf40cedc5be7e2c0e5f7711f315e36b84 (patch)
treee970a4cd9f3bd3d26f888c7c1342af753b440dcf /tests/aggregation
parentc8a76059ff6ff37fb51972fe2ba8b9d9464af769 (diff)
downloaddjango-0e2649fdf40cedc5be7e2c0e5f7711f315e36b84.tar.gz
Fixed #34255 -- Made PostgreSQL backend use client-side parameters binding with psycopg version 3.
Thanks Guillaume Andreu Sabater for the report. Co-authored-by: Florian Apolloner <apollo13@users.noreply.github.com>
Diffstat (limited to 'tests/aggregation')
-rw-r--r--tests/aggregation/tests.py15
1 files changed, 15 insertions, 0 deletions
diff --git a/tests/aggregation/tests.py b/tests/aggregation/tests.py
index 54e1e6f13a..c1ae9f0dd5 100644
--- a/tests/aggregation/tests.py
+++ b/tests/aggregation/tests.py
@@ -34,6 +34,7 @@ from django.db.models.functions import (
Cast,
Coalesce,
Greatest,
+ Least,
Lower,
Now,
Pi,
@@ -1614,6 +1615,20 @@ class AggregateTestCase(TestCase):
).annotate(total=Count("*"))
self.assertEqual(dict(has_long_books_breakdown), {True: 2, False: 3})
+ def test_group_by_nested_expression_with_params(self):
+ books_qs = (
+ Book.objects.annotate(greatest_pages=Greatest("pages", Value(600)))
+ .values(
+ "greatest_pages",
+ )
+ .annotate(
+ min_pages=Min("pages"),
+ least=Least("min_pages", "greatest_pages"),
+ )
+ .values_list("least", flat=True)
+ )
+ self.assertCountEqual(books_qs, [300, 946, 1132])
+
@skipUnlessDBFeature("supports_subqueries_in_group_by")
def test_aggregation_subquery_annotation_related_field(self):
publisher = Publisher.objects.create(name=self.a9.name, num_awards=2)