What are some advanced topics in Django migrations?

What are some advanced topics in Django migrations?

Advanced topics in Django migrations include custom migration operations, handling data migrations, and optimizing migration performance.

Can you explain how to create a custom migration operation?

To create a custom migration operation, you can subclass migrations.RunPython and define your logic in the forward and backward methods.

What are data migrations and when should I use them?

Data migrations are used to manipulate data in your database during a migration. Use them when you need to transform or populate data as part of schema changes.

How can I optimize migration performance?

To optimize migration performance, consider using bulk operations, minimizing the number of migrations, and avoiding complex queries during migrations.