1 files changed, 21 insertions, 0 deletions
diff --git a/tests/bulk_create/models.py b/tests/bulk_create/models.py
index 586457b192..f0db69932e 100644
--- a/tests/bulk_create/models.py
+++ b/tests/bulk_create/models.py
@@ -16,6 +16,14 @@ class Country(models.Model):
     iso_two_letter = models.CharField(max_length=2)
     description = models.TextField()
 
+    class Meta:
+        constraints = [
+            models.UniqueConstraint(
+                fields=['iso_two_letter', 'name'],
+                name='country_name_iso_unique',
+            ),
+        ]
+
 
 class ProxyCountry(Country):
     class Meta:
@@ -58,6 +66,13 @@ class State(models.Model):
 class TwoFields(models.Model):
     f1 = models.IntegerField(unique=True)
     f2 = models.IntegerField(unique=True)
+    name = models.CharField(max_length=15, null=True)
+
+
+class UpsertConflict(models.Model):
+    number = models.IntegerField(unique=True)
+    rank = models.IntegerField()
+    name = models.CharField(max_length=15)
 
 
 class NoFields(models.Model):
@@ -103,3 +118,9 @@ class NullableFields(models.Model):
     text_field = models.TextField(null=True, default='text')
     url_field = models.URLField(null=True, default='/')
     uuid_field = models.UUIDField(null=True, default=uuid.uuid4)
+
+
+class RelatedModel(models.Model):
+    name = models.CharField(max_length=15, null=True)
+    country = models.OneToOneField(Country, models.CASCADE, primary_key=True)
+    big_auto_fields = models.ManyToManyField(BigAutoFieldModel)