how to insert an new element into an ArrayField in peewee

Question

can I user Model.update(...) to insert an new element into an ArrrayField in peewee?

What's more, what about JSONField?

Answer 1

Untested, but you could try:

MyModel.update(
    arr_field=fn.array_append(
        MyModel.arr_field, 'new value')
).where(MyModel.id == 1)