@@ -2432,7 +2432,8 @@ are), and returns created objects as a list, in the same order as provided:
24322432
24332433This has a number of caveats though:
24342434
2435- * The model's ``save()`` method will not be called, and the ``pre_save`` and
2435+ * The model's ``save()`` method :ref:`will not be called
2436+ <methods-not-called-on-bulk-operations>`, and the ``pre_save`` and
24362437 ``post_save`` signals will not be sent.
24372438* It does not work with child models in a multi-table inheritance scenario.
24382439* If the model's primary key is an :class:`~django.db.models.AutoField` or has
@@ -2513,7 +2514,8 @@ than iterating through the list of models and calling ``save()`` on each of
25132514them, but it has a few caveats:
25142515
25152516* You cannot update the model's primary key.
2516- * Each model's ``save()`` method isn't called, and the
2517+ * Each model's ``save()`` method :ref:`isn't called
2518+ <methods-not-called-on-bulk-operations>`, and the
25172519 :attr:`~django.db.models.signals.pre_save` and
25182520 :attr:`~django.db.models.signals.post_save` signals aren't sent.
25192521* If updating a large number of columns in a large number of rows, the SQL
@@ -2999,7 +3001,8 @@ and calling ``save()``.
29993001 such filter conditions on MySQL.
30003002
30013003Finally, realize that ``update()`` does an update at the SQL level and, thus,
3002- does not call any ``save()`` methods on your models, nor does it emit the
3004+ method :ref:`does not call<methods-not-called-on-bulk-operations>` any
3005+ ``save()`` methods on your models, nor does it emit the
30033006:attr:`~django.db.models.signals.pre_save` or
30043007:attr:`~django.db.models.signals.post_save` signals (which are a consequence of
30053008calling :meth:`Model.save() <django.db.models.Model.save>`). If you want to
@@ -3072,13 +3075,13 @@ This cascade behavior is customizable via the
30723075:attr:`~django.db.models.ForeignKey.on_delete` argument to the
30733076:class:`~django.db.models.ForeignKey`.
30743077
3075- The ``delete()`` method does a bulk delete and does not call any ``delete()``
3076- methods on your models. It does, however, emit the
3077- :data:`~django.db.models.signals.pre_delete` and
3078- :data:`~django.db.models.signals.post_delete` signals for all deleted objects
3079- (including cascaded deletions). Signals won't be sent when ``DB_CASCADE`` is
3080- used. Also, ``delete()`` doesn't return information about objects deleted from
3081- database variants (``DB_*``) of the
3078+ The ``delete()`` method does a bulk delete and :ref:` does not call
3079+ < methods-not-called-on-bulk-operations>` any ``delete()`` methods on your
3080+ models. It does, however, emit the :data:`~django.db.models.signals.pre_delete`
3081+ and :data:`~django.db.models.signals.post_delete` signals for all deleted
3082+ objects (including cascaded deletions). Signals won't be sent when
3083+ ``DB_CASCADE`` is used. Also, ``delete()`` doesn't return information about
3084+ objects deleted from database variants (``DB_*``) of the
30823085:attr:`~django.db.models.ForeignKey.on_delete` argument, e.g. ``DB_CASCADE``.
30833086
30843087Django won’t need to fetch objects into memory when deleting them in the
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