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Code Issues 25 Releases Wiki Activity

Fixed #29398 -- Doc'd that cascade deletion doesn't call delete() of related models.

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Tim Graham 2018-05-18 18:08:37 -04:00
parent 6574167ab8
commit e038f98bf3
1 changed files with 5 additions and 0 deletions
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docs/ref/models/fields.txt
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@ -1257,6 +1257,11 @@ The possible values for :attr:`~ForeignKey.on_delete` are found in
Cascade deletes. Django emulates the behavior of the SQL constraint ON
DELETE CASCADE and also deletes the object containing the ForeignKey.
:meth:`.Model.delete` isn't called on related models, but the
:data:`~django.db.models.signals.pre_delete` and
:data:`~django.db.models.signals.post_delete` signals are sent for all
deleted objects.
* .. attribute:: PROTECT
Prevent deletion of the referenced object by raising