Looping insert data to database with django

Question

can insert loop data into django model?..

here my code. on view.py

    class EmpCreateView(CreateView):
        fields = ()
        model = models.Employee

        def form_valid(self, form):
            self.object = form.save(commit=False)

            loopdo = 5
            while loopdo > 0:
                self.object.name = "work?" 
                self.object.no = loopdo
                self.object.save()
                loopdo -= 1

            return super(ModelFormMixin, self).form_valid(form)

it's only insert 1 data.

Could it be that your data model doesn't allow some of the data taken from the form to be duplicated (unique = true) ? That way most of the insertions would fail since you can't have, for example, the same name twice. — Alceste_
– Alceste_, Commented Apr 22, 2018 at 3:14
Don't use loop for save multiple objects, use bulk_create.. it is an advice only — Phd. Burak Öztürk
– Phd. Burak Öztürk, Commented Apr 22, 2018 at 3:14
@BurakÖztürk bulk create can use data from another model?... — Dicky Raambo
– Dicky Raambo, Commented Apr 22, 2018 at 3:16
I get super(type, obj): obj must be an instance or subtype of type — AnonymousUser
– AnonymousUser, Commented Jun 2, 2022 at 5:12

Ari K · Accepted Answer · 2018-04-22 03:16:18Z

1

You should try setting the primary key to None.

See this answer: How can I save the same form more than once in Django 1.8?

I got my reference from: Save multiple data using loops in django models using save function with admin save button

answered Apr 22, 2018 at 3:16

Ari K

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2 Comments

Ari K Over a year ago

Awesome! :). When you get a chance, can you accept the answer? It helps other users know the question is answered and also my rating!

Swift Over a year ago

Why are we not advising a formset here?

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