  :data:`~django.db.models.signals.post_delete` signals for all deleted objects
  (including cascaded deletions).
  
  .. versionadded:: 1.5
      Allow fast-path deletion of objects
  
  Django needs to fetch objects into memory to send signals and handle cascades.
  However, if there are no cascades and no signals, then Django may take a
  fast-path and delete objects without fetching into memory. For large
  deletes this can result in significantly reduced memory usage. The amount of
 
</s> remove     Raises :exc:`InvalidPage` if previous page doesn't exist.
 </s> add         Raises :exc:`InvalidPage` if previous page doesn't exist. </s> remove The ability to pass a list of signals was added.
 </s> add     The ability to pass a list of signals was added. </s> remove When the :func:`atomic` decorator is nested, it creates a savepoint to allow
partial commit or rollback. You're strongly encouraged to use :func:`atomic`
rather than the functions described below, but they're still part of the
public API, and there's no plan to deprecate them.
 </s> add     When the :func:`atomic` decorator is nested, it creates a savepoint to allow
    partial commit or rollback. You're strongly encouraged to use :func:`atomic`
    rather than the functions described below, but they're still part of the
    public API, and there's no plan to deprecate them. </s> remove This setting now also accepts view function names and
:ref:`named URL patterns <naming-url-patterns>` which can be used to reduce
configuration duplication since you no longer have to define the URL in two
places (``settings`` and URLconf).
For backward compatibility reasons the default remains unchanged.
 </s> add     This setting now also accepts view function names and
    :ref:`named URL patterns <naming-url-patterns>` which can be used to reduce
    configuration duplication since you no longer have to define the URL in two
    places (``settings`` and URLconf).
    For backward compatibility reasons the default remains unchanged. </s> remove This setting now also accepts view function names and
:ref:`named URL patterns <naming-url-patterns>` which can be used to reduce
configuration duplication since you no longer have to define the URL in two
places (``settings`` and URLconf).
For backward compatibility reasons the default remains unchanged.
 </s> add     This setting now also accepts view function names and
    :ref:`named URL patterns <naming-url-patterns>` which can be used to reduce
    configuration duplication since you no longer have to define the URL in two
    places (``settings`` and URLconf).
    For backward compatibility reasons the default remains unchanged.
    Allow fast-path deletion of objects.
  :data:`~django.db.models.signals.post_delete` signals for all deleted objects
  (including cascaded deletions).
  
  .. versionadded:: 1.5
    Allow fast-path deletion of objects.
  
  Django needs to fetch objects into memory to send signals and handle cascades.
  However, if there are no cascades and no signals, then Django may take a
  fast-path and delete objects without fetching into memory. For large
  deletes this can result in significantly reduced memory usage. The amount of
keep keep keep keep replace keep keep keep keep keep
 Adapted uses of versionchanged/versionadded to the new form.

Refs #20104. 
docs/ref/models/querysets.txt