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-rw-r--r--django/db/backends/postgresql/base.py2
-rw-r--r--docs/releases/4.2.1.txt3
-rw-r--r--tests/backends/postgresql/tests.py12
3 files changed, 16 insertions, 1 deletions
diff --git a/django/db/backends/postgresql/base.py b/django/db/backends/postgresql/base.py
index 5ed856448f..d92ad58710 100644
--- a/django/db/backends/postgresql/base.py
+++ b/django/db/backends/postgresql/base.py
@@ -208,7 +208,6 @@ class DatabaseWrapper(BaseDatabaseWrapper):
self.ops.max_name_length(),
)
)
- conn_params = {"client_encoding": "UTF8"}
if settings_dict["NAME"]:
conn_params = {
"dbname": settings_dict["NAME"],
@@ -220,6 +219,7 @@ class DatabaseWrapper(BaseDatabaseWrapper):
conn_params = {"dbname": "postgres", **settings_dict["OPTIONS"]}
else:
conn_params = {**settings_dict["OPTIONS"]}
+ conn_params["client_encoding"] = "UTF8"
conn_params.pop("assume_role", None)
conn_params.pop("isolation_level", None)
diff --git a/docs/releases/4.2.1.txt b/docs/releases/4.2.1.txt
index dd172a1a89..1a5fda3d4b 100644
--- a/docs/releases/4.2.1.txt
+++ b/docs/releases/4.2.1.txt
@@ -22,3 +22,6 @@ Bugfixes
* Reallowed, following a regression in Django 4.2, setting the
``"cursor_factory"`` option in :setting:`OPTIONS` on PostgreSQL
(:ticket:`34466`).
+
+* Enforced UTF-8 client encoding on PostgreSQL, following a regression in
+ Django 4.2 (:ticket:`34470`).
diff --git a/tests/backends/postgresql/tests.py b/tests/backends/postgresql/tests.py
index 5589daa0c2..9c4512be24 100644
--- a/tests/backends/postgresql/tests.py
+++ b/tests/backends/postgresql/tests.py
@@ -323,6 +323,18 @@ class Tests(TestCase):
finally:
new_connection.close()
+ def test_client_encoding_utf8_enforce(self):
+ new_connection = connection.copy()
+ new_connection.settings_dict["OPTIONS"]["client_encoding"] = "iso-8859-2"
+ try:
+ new_connection.connect()
+ if is_psycopg3:
+ self.assertEqual(new_connection.connection.info.encoding, "utf-8")
+ else:
+ self.assertEqual(new_connection.connection.encoding, "UTF8")
+ finally:
+ new_connection.close()
+
def _select(self, val):
with connection.cursor() as cursor:
cursor.execute("SELECT %s::text[]", (val,))