CODEWITHSUNDEEP
pythondjangodatabaseobjectdjango-models
Adil Ijaz
Adil Ijaz

Reputation: 352

How to store just single or just two Records/objects instead of multiple in Django Model?

I just want to store a single or may be just two objects in model but not more. And no one can add more objects in that model.How can I do that is there any option in django to use it?

Basically I just want to specify the range of objects store in models.

Thank You.

Upvotes: 1

Views: 410

Answers (2)

Md. Razibul Hasan Mithu
Md. Razibul Hasan Mithu

Reputation: 205

You can override the save method and set a condition

class Test(models.Model):
    name = models.CharField(max_length=100)

    def save(self, *args, **kwargs):
        if Test.objects.count() > 1:
            raise ValidationError("You can't save more than two items")
        super(Test, self).save(*args, **kwargs)

Upvotes: 2

Pruthvi Barot
Pruthvi Barot

Reputation: 2018

You can do this

Suppose I have people model and I want that only two records should be created then

class People(models.Model):
    name = models.CharField(max_length=255)

    def save(self,*args,**kwargs):
        if People.objects.count() > 1:
            return False # or you can raise validation error
        else:
            super(People,self).save(*args,**kwargs)

Upvotes: 3

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