Django BRIN index in PostgreSQL Database

models.py

from django.contrib.postgres.indexes import BrinIndex
from django.db import models

class SampleData(models.Model):
    created_at = models.DateTimeField()
    class Meta:
        """
        You must need to use PostgreSQL DB unless you can't use BrinIndex

        """
        indexes = (
            BrinIndex(fields=['created_at']),
        )