andymckay/zamboni — comment on commit 4ef0e983f8b0a3beaf491822687c2ddeaafdfbcb
File: migrations/339-add-persona-authors.sql line 10
By andymckay:

By default django cascades on a delete, https://docs.djangoproject.com/en/dev/ref/models/fields/#django.db.models.ForeignKey.on_delete so I think we are ok.