More optimization

trainvel/gtfs/migrations/0002_alter_stop_parent_station.py

@@ -0,0 +1,26 @@
+# Generated by Django 5.0.6 on 2024-05-12 09:31
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("gtfs", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="stop",
+            name="parent_station",
+            field=models.ForeignKey(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                related_name="children",
+                to="gtfs.stop",
+                verbose_name="Parent station",
+            ),
+        ),
+    ]