#34090: ordering of ManyToManyField in admin shows objects multiple times
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Reporter: spechtx | Owner: nobody
Type: Cleanup/optimization | Status: new
Component: contrib.admin | Version: 4.1
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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I might came across a possible optimization in the admin:
When there is a model with a ManyToManyField and you set this field in the
"ordering" setup in the admin setup, the object will we shown as many
times in the admin, as there are relations stored in the m2m field.
In this example, when the "type" field has 5 relations, the object will be
shown 5 times in the admin.
models.py:
class RelatedM2M(models.Model):
choice = models.CharField(max_length=255, unique=True)
description = models.TextField(blank=True)
class ModelName(models.Model):
id_uuid = models.UUIDField(...)
timestamp_created = models.DateTimeField(auto_now_add=True)
name = models.CharField(max_length=255)
type = models.ManyToManyField(RelatedM2M, related_name='type')
type_intermediate = models.ManyToManyField(AnotherRelatedM2M,
through='RelatedIntermediate')
geometry = models.GeometryField(...)
admin.py:
@admin.register(ModelName)
classModelNameAdminView(admin.GISModelAdmin):
inlines = (RelatedIntermediateInline,)
autocomplete_fields = ['....']
ordering = ['name', 'type', 'timestamp_created', ]
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Ticket URL: <https://code.djangoproject.com/ticket/34090>
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