CODEWITHSUNDEEP
djangodjango-models
muriithi
muriithi

Reputation: 131

Have only one instance of a django model

I want only one instance of the model below. How can I enforce this in code?

class Employer(models.Model):
    name=models.CharField(max_length=50, verbose_name = "Employer's Name")
    pin =models.CharField(max_length=50, verbose_name ="Employer's PIN")

    def __unicode__(self):
        return self.name

Upvotes: 6

Views: 1739

Answers (1)

Vinta
Vinta

Reputation: 387

try this:

class Employer(models.Model):
    name = models.CharField(max_length=50, verbose_name="Employer's Name")
    pin = models.CharField(max_length=50, verbose_name="Employer's PIN")

    def __unicode__(self):
        return self.name

    class Meta:
        unique_together = ('name', 'pin')

from Django Model Meta options.

Upvotes: 1

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