diff --git a/AUTHORS b/AUTHORS index 1f9a375719..cf632452c6 100644 --- a/AUTHORS +++ b/AUTHORS @@ -385,6 +385,7 @@ answer newbie questions, and generally made Django that much better: Jeremy Dunck Jeremy Lainé Jesse Young + Jezeniel Zapanta jhenry Jim Dalton Jimmy Song diff --git a/docs/ref/models/relations.txt b/docs/ref/models/relations.txt index beffe1283e..9814485445 100644 --- a/docs/ref/models/relations.txt +++ b/docs/ref/models/relations.txt @@ -56,11 +56,15 @@ Related objects reference manager perform the update by calling ``e.save()``. Using ``add()`` with a many-to-many relationship, however, will not - call any ``save()`` methods, but rather create the relationships - using :meth:`QuerySet.bulk_create() + call any ``save()`` methods (the ``bulk`` argument doesn't exist), but + rather create the relationships using :meth:`QuerySet.bulk_create() `. If you need to execute some custom logic when a relationship is created, listen to the - :data:`~django.db.models.signals.m2m_changed` signal. + :data:`~django.db.models.signals.m2m_changed` signal, which will + trigger ``pre_add`` and ``post_add`` actions. + + Using ``add()`` on a relation that already exists won't duplicate the + relation, but it will still trigger signals. .. method:: create(**kwargs) diff --git a/docs/topics/db/examples/many_to_many.txt b/docs/topics/db/examples/many_to_many.txt index 7173faaeca..065ab1605b 100644 --- a/docs/topics/db/examples/many_to_many.txt +++ b/docs/topics/db/examples/many_to_many.txt @@ -75,7 +75,7 @@ Create another ``Article``, and set it to appear in both ``Publications``:: >>> a2.publications.add(p1, p2) >>> a2.publications.add(p3) -Adding a second time is OK:: +Adding a second time is OK, it will not duplicate the relation:: >>> a2.publications.add(p3)