Add constraint that nodegroups match grouping node #11613

arches/app/models/migrations/11613_node_nodegroup_root_matches_nodegroup.py

@@ -0,0 +1,20 @@
+# Generated by Django 5.1.3 on 2024-11-13 19:11
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("models", "11613_add_node_constraints"),
+    ]
+
+    operations = [
+        migrations.AddConstraint(
+            model_name="node",
+            constraint=models.CheckConstraint(
+                condition=models.Q(("nodegroup_root_id", models.F("nodegroup_id"))),
+                name="nodegroup_root_matches_nodegroup",
+            ),
+        ),
+    ]

arches/app/models/models.py

@@ -947,6 +947,10 @@ class Meta:
                 condition=Q(istopnode=True) | Q(nodegroup_root__isnull=False),
                 name="has_nodegroup_root_or_istopnode",
             ),
+            models.CheckConstraint(
+                condition=Q(nodegroup_root_id=models.F("nodegroup_id")),
+                name="nodegroup_root_matches_nodegroup",
+            ),
         ]