#35029: DisallowedModelAdminLookup for uuid field
-------------------------------------+-------------------------------------
Reporter: jameslao | Owner: nobody
Type: Bug | Status: new
Component: contrib.admin | Version: 5.0
Severity: Normal | Resolution:
Keywords: | Triage Stage:
DisallowedModelAdminLookup, uuid | Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Description changed by jameslao:
Old description:
> In Django 5.0, if we create a model with primary ID field with UUIDField,
> and another model referencing it, then in Django admin, if we create a
> filter of the second model with the first model, an error of
> DisallowedModelAdminLookup will be thrown.
>
> in models.py
>
> {{{
> from django.db import models
> import uuid
>
> # Create your models here.
>
> class Request(models.Model):
> id = models.UUIDField(primary_key=True, default=uuid.uuid4,
> editable=False, verbose_name='Request ID')
> name = models.CharField(max_length=50, blank=True)
>
> class RequestItem(models.Model):
> request = models.ForeignKey(Request, on_delete=models.CASCADE,
> related_name='items')
> description = models.CharField(max_length=255, blank=True)
> }}}
>
> in admin.py
>
> {{{
> from . import models
>
> @admin.register(models.RequestItem)
> class RequestItemAdmin(admin.ModelAdmin):
> list_display = (
> 'request',
> )
> list_filter = (
> 'request',
> )
>
> @admin.register(models.Request)
> class RequestAdmin(admin.ModelAdmin):
> list_display = (
> 'id', 'name'
> )
> list_filter = (
> 'id',
> )
>
> }}}
>
> Then the filter of request in RequestItemAdmin will throw an error
>
> {{{
> DisallowedModelAdminLookup at /admin/uid/requestitem/
> Filtering by request__id__exact not allowed
> }}}
New description:
On Django 5.0 and MariaDB 11.0.4, if we create a model with primary ID
field with UUIDField, and another model referencing it, then in Django
admin, if we create a filter of the second model with the first model, an
error of DisallowedModelAdminLookup will be thrown.
in models.py
{{{
from django.db import models
import uuid
# Create your models here.
class Request(models.Model):
id = models.UUIDField(primary_key=True, default=uuid.uuid4,
editable=False, verbose_name='Request ID')
name = models.CharField(max_length=50, blank=True)
class RequestItem(models.Model):
request = models.ForeignKey(Request, on_delete=models.CASCADE,
related_name='items')
description = models.CharField(max_length=255, blank=True)
}}}
in admin.py
{{{
from . import models
@admin.register(models.RequestItem)
class RequestItemAdmin(admin.ModelAdmin):
list_display = (
'request',
)
list_filter = (
'request',
)
@admin.register(models.Request)
class RequestAdmin(admin.ModelAdmin):
list_display = (
'id', 'name'
)
list_filter = (
'id',
)
}}}
Then the filter of request in RequestItemAdmin will throw an error
{{{
DisallowedModelAdminLookup at /admin/uid/requestitem/
Filtering by request__id__exact not allowed
}}}
--
--
Ticket URL: <https://code.djangoproject.com/ticket/35029#comment:1>
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