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Emphasized that ForeignKey.on_delete doesn't create a SQL constraint.

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Andrea Rabbaglietti 2018-10-10 20:56:50 +02:00 committed by Tim Graham
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commit 1b49b792e9
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docs/ref/models/fields.txt
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@ -1271,6 +1271,9 @@ relation works.
null=True,
)
``on_delete`` doesn't create a SQL constraint in the database. Support for
database-level cascade options :ticket:`may be implemented later <21961>`.
The possible values for :attr:`~ForeignKey.on_delete` are found in
:mod:`django.db.models`: