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Fixed #4944 -- Added a note about Model.save() raising IntegrityError is a 

'unique' constraint is violated. Patch from PhiR.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@6566 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Malcolm Tredinnick 2007-10-20 12:35:10 +00:00
parent cc6139ab50
commit d1efe9b2f7
1 changed files with 6 additions and 4 deletions
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10
docs/model-api.txt
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@ -149,7 +149,7 @@ and in Django's validation.
Django veterans: Note that the argument is now called ``max_length`` to Django veterans: Note that the argument is now called ``max_length`` to
provide consistency throughout Django. There is full legacy support for provide consistency throughout Django. There is full legacy support for
the old ``maxlength`` argument, but ``max_length`` is preferred. the old ``maxlength`` argument, but ``max_length`` is preferred.
``CommaSeparatedIntegerField`` ``CommaSeparatedIntegerField``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@ -678,7 +678,9 @@ set.
If ``True``, this field must be unique throughout the table. If ``True``, this field must be unique throughout the table.
This is enforced at the database level and at the Django admin-form level. This is enforced at the database level and at the Django admin-form level. If
you try to add save a model with a duplicate value in a ``unique`` field, a
``django.db.IntegrityError`` will be raised by the model's ``save()`` method.
``unique_for_date`` ``unique_for_date``
~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~
@ -1584,8 +1586,8 @@ Finally, note that in order to use ``list_display_links``, you must define
Set ``list_filter`` to activate filters in the right sidebar of the change list Set ``list_filter`` to activate filters in the right sidebar of the change list
page of the admin. This should be a list of field names, and each specified page of the admin. This should be a list of field names, and each specified
field should be either a ``BooleanField``, ``CharField``, ``DateField``, field should be either a ``BooleanField``, ``CharField``, ``DateField``,
``DateTimeField``, ``IntegerField`` or ``ForeignKey``. ``DateTimeField``, ``IntegerField`` or ``ForeignKey``.
This example, taken from the ``django.contrib.auth.models.User`` model, shows This example, taken from the ``django.contrib.auth.models.User`` model, shows
how both ``list_display`` and ``list_filter`` work:: how both ``list_display`` and ``list_filter`` work::