Django migration: making a row not primary key, getting “ProgrammingError: multiple default values”?

Question

I am working with Postgres on a Django app and I want to make a model change, resetting a row so it is no longer the primary key.

This is what my model currently lo

Answer 1

Try to use an intermediate migration to achieve this:

1) Add id = models.IntegerField() to your model. Run makemigrations and then migrate.

2) Remove primary_key=True from the 'row'-field, and also remove the 'id'-field. Again run makemigrations and migrate.