Hello Sir, I need to understand the form.py file because , what is the only list you have assigned as default in arrayfield, is it the method list() ?
On Sat, Dec 10, 2022 at 10:00 PM James Gillard <[email protected]> wrote: > Thanks for the feedback. I opened a ticket and it was indeed confirmed as > a bug: https://code.djangoproject.com/ticket/34205 > > On Thursday, 8 December 2022 at 15:04:40 UTC Ryan Nowakowski wrote: > >> Might be a bug. Check the release notes for the post 4.0.8 versions to >> see if anything related changed. File a bug with the simplest example code >> that demonstrates the issue. >> >> >> On December 8, 2022 6:37:52 AM CST, James Gillard <[email protected]> >> wrote: >>> >>> I can't yet work out whether this is a Django bug or how I'm using model >>> constraints... Upgraded from 4.0.8 to 4.1.4 and have hit this issue when >>> saving this model in the admin. I'd read in the release notes that these >>> constraints would be validated on model save, and that's the code that's >>> leading to this exception. If it's not something I've done, it seems >>> ArrayField isn't working with this new validation of my condition. The same >>> happens for Q(phone_numbers__len__gte=0), and the error disappears if I >>> comment out this condition. It seems the generated code might be wrong, as >>> I see 12 "%s" and only 11 elements in params. All it's trying to do is >>> ensure that an empty list isn't considered unique. >>> >>> Here's the failing model: >>> >>> phone_numbers = ArrayField(models.CharField(max_length=200), >>> default=list, blank=True) >>> >>> class Meta: >>> constraints = [ >>> models.UniqueConstraint( >>> fields=['phone_numbers'], >>> condition=~Q(phone_numbers__len=0), >>> name='unique_email_phones', >>> ), >>> ] >>> ) >>> >>> [image: Screenshot 2022-12-08 at 12.30.35.png] >>> >>> -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/4a8a0941-dd65-4c22-bf16-4e11181794a0n%40googlegroups.com > <https://groups.google.com/d/msgid/django-users/4a8a0941-dd65-4c22-bf16-4e11181794a0n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/CAGz3pXKTMhbZjuxQh-GkufLhgFuBVpGjNhWLDVe-NDNQDTYZfA%40mail.gmail.com.
