We've made the second release on the way to Django's next major
release, Django 2.0! With a month and a half until the final release,
we'll need timely testing from the community to ensure a stable
release. Check out the blog post:
https://www.djangoproject.com/weblog/2017/oct/16/django-20-beta-1-
The code tries to handle a scenario like the following (of course, the
statements can be relatively ordered in different ways). Can you describe
how the scenario which fails for you looks like? I am assuming you are
using READ COMMITTED, and that the lookup fields are unique together.
THREAD1
Hello
The problem was, that get_or_create() was called within a transaction and at
the end of the transaction the INSERT caused IntegrityError, as in the meantime
another transaction has finished, that inserted the same row but with a
different id. I have wrongly concluded, that repeating get
