How to check the uniqueness of two fields at the same time?

Question

Django

Good afternoon!
Tell me how to do a simultaneous check of the uniqueness of two fields
in my case: vlaninfo_vlan and vlaninfo_complex
example: add the following
1-1 - unique
1-2 - unique
2-1 - unique
2-2 - unique
further when adding field 1-1 it would give an error that this field combination is already in use
class VlanInfo(models.Model):
class Meta():
db_table = 'vlaninfo'
vlaninfo_vlan = models.IntegerField(blank=True, null=True, verbose_name='VLAN ID', default=1) # VLAN
vlaninfo_complex = models.ForeignKey(Complex)
vlaninfo_address = models.CharField(max_length=50, blank=True, verbose_name='VLAN INFO') # VLAN INFO

Answer 1

https://docs.djangoproject.com/en/dev/ref/models/o...