Software Development
More about Django · Module 2 - Models and the ORM in depth

2.4 Custom managers and querysets

20 min
Back to the curriculum

Video coming soon

The recording for this lesson has not been published yet.

What we cover

  • Post.objects.published() instead of copy-paste
  • QuerySet subclasses and as_manager()
  • Several managers on one model
  • Default manager and its effect on relations
Written notes for this lesson are being prepared. The outline above already shows what the recording will cover.
← 2.3 QuerySets you actually need 2.5 Killing N+1 queries →

After this lesson you will

  • Move repeated filters out of your views
  • Write chainable, reusable query methods

Module 2

2.1Relations between models 2.2Migrations for real 2.3QuerySets you actually need 2.4Custom managers and querysets 2.5Killing N+1 queries 2.6Slugs, timestamps and abstract base models