I think default should be assigned like this default=[ ] or default= list()
But I'm junior so may I don't know well On Mon, 12 Dec 2022, 03:13 James Gillard, <[email protected]> wrote: > The callable list is indeed assigned as the default for the ArrayField, as > documented here: > https://docs.djangoproject.com/en/4.1/ref/contrib/postgres/fields/#django.contrib.postgres.fields.ArrayField > > The original issue has already had a patch merged, which will be released > in 4.1.5, see the fix here: > https://docs.djangoproject.com/en/dev/releases/4.1.5/ > > On Sunday, 11 December 2022 at 18:02:24 UTC [email protected] wrote: > >> 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/29d9d224-3027-4346-9552-8fcadedd21dfn%40googlegroups.com > <https://groups.google.com/d/msgid/django-users/29d9d224-3027-4346-9552-8fcadedd21dfn%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/CAGz3pXL8EHtARE_PLX0MM4jnGWBRq%2BAE-Bc9%2B7dsJtxKHYdnrA%40mail.gmail.com.

