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Merge pull request #1591 from axu2/axu2-docs-patch-3

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docs: use explicit register_delete_rule example
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erdenezul 2018-09-04 21:50:29 +08:00 committed by GitHub
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1 changed files with 6 additions and 4 deletions
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10
mongoengine/fields.py
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@ -1040,11 +1040,13 @@ class ReferenceField(BaseField):
.. code-block:: python
class Bar(Document):
content = StringField()
foo = ReferenceField('Foo')
class Org(Document):
owner = ReferenceField('User')
Foo.register_delete_rule(Bar, 'foo', NULLIFY)
class User(Document):
org = ReferenceField('Org', reverse_delete_rule=CASCADE)
User.register_delete_rule(Org, 'owner', DENY)
.. versionchanged:: 0.5 added `reverse_delete_rule`
"""