Django UNIQUE constraint failed

Question

When I am trying to save not unique object I am getting this error:

UNIQUE constraint failed: event_invitedperson.email, event_invitedperson.event_id

Where and how should I check if record is unique before saving?

My model:

class InvitedPerson(models.Model): email = models.EmailField("") event = models.ForeignKey(Event) class Meta: unique_together = [('email', 'event')]

model:

class InvitedPerson(models.Model): email = models.EmailField("") event = models.ManyToManyField(Event)

Raja Simon · Accepted Answer · 2015-11-17 12:00:20Z

Why not use get_or_create method.

>>> InvitedPerson.objects.get_or_create(email='[email protected]', event=event1) (<InvitedPerson: InvitedPerson object>, True) >>> InvitedPerson.objects.get_or_create(email='[email protected]', event=event2) (<InvitedPerson: InvitedPerson object>, True)

So email will associated with multiple event...

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