BulkProcessMixin on models.Model

[Myung Eui Yoon]

        """
        class BulkyModel(models.Model, ModelBulkProcessMixin):
            id = models.BigAutoField(primary_key=True)
            name = models.CharField(max_length=10, null=False)
    
        With ModelBulkProcessMixin , We could minimize memory usage.
        Without ModelBulkProcessMixin, We shold maintain bulk array size up to 100_000
        or manually maintain arraysize up to batch_size like 10_000

        if len(chunked_list)>10_000:
            Model.objects.bulk_create(chunked_list)

        and check remain in list again at the end.
        
        if len(chunked_list)>0:
            Model.objects.bulk_create(chunked_list)
        """

        names = [f"name-{num}" for num in range(100_000)]

        with BulkyModel.gen_bulk_create(batch_size=10_000) as bulk:
            for name in names:
                bulk.add(BulkyModel(name=name))

        self.assertEqual(100_000, BulkyModel.objects.all().count())