#25672: Related ManyToMany fields with custom intermediary model should not
disable
remove method.
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Reporter: Antwan86 | Owner: nobody
Type: Cleanup/optimization | Status: new
Component: Database layer (models, ORM) | Version: 1.8
Severity: Normal | Keywords: manytomany
| related
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
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It is currently impossible to add or create related item to a many-to-many
relationship with custom intermediary model, with reason, as the custom
model extra fields won't be populated.
[https://github.com/django/django/blob/1.8.5/docs/topics/db/models.txt#L508
This is documented and explained].
However, it is also not possible to remove related items from the
collection, and the only reason given in the doc is : ''"The remove()
method is disabled for similar reasons"''.
I've try to find a justification for this though the code/docs/history but
I couldn't and this seems unjustified for me.
All the informations needed to remove the relation are provided if you
just use this method e.g.
`mysourceobject.relatedobjects.remove(targetobject)`.
I don't see why
[https://github.com/django/django/blob/1.8.5/django/db/models/fields/related.py#L982
it is disabled], and therefore would like to ask for a design change here,
or an explanation.
--
Ticket URL: <https://code.djangoproject.com/ticket/25672>
Django <https://code.djangoproject.com/>
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