Django model method - create_or_update

python django django-models django-orm
snakesNbronies picture snakesNbronies · May 2, 2013 · Viewed 38.4k times · Source

Similar to get_or_create, I would like to be able to update_or_create in Django.

Until now, I have using an approaching similar to how @Daniel Roseman does it here. However, I'd like to do this more succinctly as a model method.

This snippet is quite old and I was wondering if there is a better way to do this in more recent version of Django.

Answer

dbkaplun picture dbkaplun · Aug 19, 2013

See QuerySet.update_or_create (new in Django 1.7dev)

Related questions

What's the difference between select_related and prefetch_related in Django ORM?

In Django doc, select_related() "follows" foreign-key relationships, selecting additional related-object data when it executes its query. prefetch_related() does a separate lookup for each relationship, and does the "joining" in Python. What does it mean by "doing the joining …

Read More
How to create an object for a Django model with a many to many field?

My model: class Sample(models.Model): users = models.ManyToManyField(User) I want to save both user1 and user2 in that model: user1 = User.objects.get(pk=1) user2 = User.objects.get(pk=2) sample_object = Sample(users=user1, users=user2) sample_object.…

Read More
Django filter many-to-many with contains

I am trying to filter a bunch of objects through a many-to-many relation. Because the trigger_roles field may contain multiple entries I tried the contains filter. But as that is designed to be used with strings I'm pretty much …

Read More