Updating constraint to person-role-unit

greg/migrations/0001_initial.py

-# Generated by Django 3.2.5 on 2021-07-13 06:47
+# Generated by Django 3.2.5 on 2021-07-13 13:44
 
 import datetime
 import dirtyfields.dirtyfields
@@ -200,7 +200,7 @@ class Migration(migrations.Migration):
         ),
         migrations.AddConstraint(
             model_name='personrole',
-            constraint=models.UniqueConstraint(fields=('person', 'role'), name='personrole_person_role_unique'),
+            constraint=models.UniqueConstraint(fields=('person', 'role', 'unit'), name='personrole_person_role_unit_unique'),
         ),
         migrations.AddConstraint(
             model_name='personconsent',

greg/models.py

@@ -106,7 +106,7 @@ class PersonRole(BaseModel):
     class Meta:
         constraints = [
             models.UniqueConstraint(
-                fields=["person", "role"], name="personrole_person_role_unique"
+                fields=["person", "role", "unit"], name="personrole_person_role_unit_unique"
             )
         ]