Fixed #14286 -- Added models.BigAutoField.

2 files changed, 25 insertions, 1 deletions

diff --git a/tests/introspection/models.py b/tests/introspection/models.py
index 9ad52b8f8d..4d961b20be 100644
--- a/tests/introspection/models.py
+++ b/tests/introspection/models.py
@@ -5,6 +5,24 @@ from django.utils.encoding import python_2_unicode_compatible
 
 
 @python_2_unicode_compatible
+class City(models.Model):
+    id = models.BigAutoField(primary_key=True)
+    name = models.CharField(max_length=50)
+
+    def __str__(self):
+        return self.name
+
+
+@python_2_unicode_compatible
+class District(models.Model):
+    city = models.ForeignKey(City, models.CASCADE)
+    name = models.CharField(max_length=50)
+
+    def __str__(self):
+        return self.name
+
+
+@python_2_unicode_compatible
 class Reporter(models.Model):
     first_name = models.CharField(max_length=30)
     last_name = models.CharField(max_length=30)
diff --git a/tests/introspection/tests.py b/tests/introspection/tests.py
index 3cd00060db..9ce5a3f0f6 100644
--- a/tests/introspection/tests.py
+++ b/tests/introspection/tests.py
@@ -6,7 +6,7 @@ from django.db import connection
 from django.db.utils import DatabaseError
 from django.test import TransactionTestCase, mock, skipUnlessDBFeature
 
-from .models import Article, Reporter
+from .models import Article, City, Reporter
 
 
 class IntrospectionTests(TransactionTestCase):
@@ -103,6 +103,12 @@ class IntrospectionTests(TransactionTestCase):
             [False, nullable_by_backend, nullable_by_backend, nullable_by_backend, True, True, False]
         )
 
+    @skipUnlessDBFeature('can_introspect_autofield')
+    def test_bigautofield(self):
+        with connection.cursor() as cursor:
+            desc = connection.introspection.get_table_description(cursor, City._meta.db_table)
+        self.assertIn('BigAutoField', [datatype(r[1], r) for r in desc])
+
     # Regression test for #9991 - 'real' types in postgres
     @skipUnlessDBFeature('has_real_datatype')
     def test_postgresql_real_type(self):