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Documentation for PULL reverse_delete_rule

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Meir Kriheli
2012-06-07 12:32:02 +03:00
parent 8060179f6d
commit 26db9d8a9d
3 changed files with 10 additions and 0 deletions
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4
docs/changelog.rst
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@@ -2,6 +2,10 @@
Changelog Changelog
========= =========
Changes in 0.6.x
=================
- PULL reverse_delete_rule
Changes in 0.6.10 Changes in 0.6.10
================= =================
- Fixed basedict / baselist to return super(..) - Fixed basedict / baselist to return super(..)

4
docs/guide/defining-documents.rst
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@@ -289,6 +289,10 @@ Its value can take any of the following constants:
:const:`mongoengine.CASCADE` :const:`mongoengine.CASCADE`
Any object containing fields that are refererring to the object being deleted Any object containing fields that are refererring to the object being deleted
are deleted first. are deleted first.
:const:`mongoengine.PULL`
Removes the reference to the object (using MongoDB's "pull" operation)
from any object's fields of
:class:`~mongoengine.ListField` (:class:`~mongoengine.ReferenceField`).
.. warning:: .. warning::

2
mongoengine/fields.py
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@@ -656,6 +656,8 @@ class ReferenceField(BaseField):
* NULLIFY - Updates the reference to null. * NULLIFY - Updates the reference to null.
* CASCADE - Deletes the documents associated with the reference. * CASCADE - Deletes the documents associated with the reference.
* DENY - Prevent the deletion of the reference object. * DENY - Prevent the deletion of the reference object.
* PULL - Pull the reference from a :class:`~mongoengine.ListField`
of references
Alternative syntax for registering delete rules (useful when implementing Alternative syntax for registering delete rules (useful when implementing
bi-directional delete rules) bi-directional delete rules)