DENG-17 Dropping FK on schedules to enrollments to perform ghost migration (#23260)

openedx/core/djangoapps/schedules/migrations/0012_auto_20200302_1914.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.28 on 2020-03-02 19:14
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('schedules', '0011_auto_20200228_2018'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='schedule',
+            name='enrollment',
+            field=models.OneToOneField(db_constraint=False, on_delete=django.db.models.deletion.CASCADE, to='student.CourseEnrollment'),
+        ),
+    ]

openedx/core/djangoapps/schedules/models.py

@@ -13,7 +13,7 @@ class Schedule(TimeStampedModel):
     .. no_pii:
     """
 
-    enrollment = models.OneToOneField('student.CourseEnrollment', null=False, on_delete=models.CASCADE)
+    enrollment = models.OneToOneField('student.CourseEnrollment', null=False, on_delete=models.CASCADE, db_constraint=False)
     active = models.BooleanField(
         default=True,
         help_text=_('Indicates if this schedule is actively used')