Fixed #22487: Optional rollback emulation for migrated apps

tests/migration_test_data_persistence/migrations/0001_initial.py

@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+def add_book(apps, schema_editor):
+    apps.get_model("migration_test_data_persistence", "Book").objects.using(
+        schema_editor.connection.alias,
+    ).create(
+        title="I Love Django",
+    )
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Book',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', primary_key=True, serialize=False, auto_created=True)),
+                ('title', models.CharField(max_length=100)),
+            ],
+            options={
+            },
+            bases=(models.Model,),
+        ),
+        migrations.RunPython(
+            add_book,
+        ),
+    ]