From b73e66e75802f10cc34d4880714554cea54dbf49 Mon Sep 17 00:00:00 2001
From: Mariusz Felisiak <felisiak.mariusz@gmail.com>
Date: Tue, 5 May 2020 09:08:29 +0200
Subject: Fixed #31538 -- Fixed Meta.ordering validation lookups that are not
 transforms.

Regression in 440505cb2cadbe1a5b9fba246bcde6c04f51d07e.

Thanks Simon Meers for the report.
---
 django/db/models/base.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'django')

diff --git a/django/db/models/base.py b/django/db/models/base.py
index 6c9e9d3707..bc6f7d283e 100644
--- a/django/db/models/base.py
+++ b/django/db/models/base.py
@@ -1747,7 +1747,9 @@ class Model(metaclass=ModelBase):
                     else:
                         _cls = None
                 except (FieldDoesNotExist, AttributeError):
-                    if fld is None or fld.get_transform(part) is None:
+                    if fld is None or (
+                        fld.get_transform(part) is None and fld.get_lookup(part) is None
+                    ):
                         errors.append(
                             checks.Error(
                                 "'ordering' refers to the nonexistent field, "
-- 
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