What are the best practices for bulk deleting in Django?

What are the best practices for bulk deleting in Django?

When performing bulk deletes in Django, it's important to consider using the QuerySet.delete() method for efficiency. This method allows you to delete multiple records in a single query, which is much faster than deleting them one by one.

Are there any performance considerations I should keep in mind?

Yes, you should be cautious about the number of records you're deleting at once. Deleting a large number of records can lock the database table and affect performance. It's often better to batch your deletes.

What about related objects? How does that work?

When deleting objects with related foreign keys, you can use the on_delete parameter in your models to specify how related objects should be handled. For bulk deletes, ensure you understand the implications of cascading deletes.

Can I use signals with bulk deletes?

No, signals like pre_delete and post_delete won't be triggered for bulk deletes. If you need to perform actions on each object being deleted, consider iterating over the queryset and deleting them individually.