Unique model field in Django and case sensitivity (postgres)

Question

Consider the following situation: -

Suppose my app allows users to create the states / provinces in their country. Just for clarity, we are considering only ASCII ch

Answer 1

a very simple solution:

class State(models.Model):
    name = models.CharField(max_length=50, unique=True)

    def clean(self):
        self.name = self.name.capitalize()