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Clarified default value for DateField to emulate auto_now_add.

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Bulgantamir Gankhuyag 2015-11-24 21:17:10 +08:00 committed by Tim Graham
parent bb50c7da7c
commit 8bce6fa637
1 changed files with 6 additions and 2 deletions
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8
docs/ref/models/fields.txt
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@ -491,9 +491,13 @@ optional arguments:
for creation of timestamps. Note that the current date is *always* used; for creation of timestamps. Note that the current date is *always* used;
it's not just a default value that you can override. So even if you it's not just a default value that you can override. So even if you
set a value for this field when creating the object, it will be ignored. set a value for this field when creating the object, it will be ignored.
If you want to be able to modify this field, set ``default=timezone.now`` If you want to be able to modify this field, set the following instead of
(from :func:`django.utils.timezone.now`) instead of ``auto_now_add=True``. ``auto_now_add=True``:
* For :class:`DateField`: ``default=date.today`` - from
:meth:`datetime.date.today`
* For :class:`DateTimeField`: ``default=timezone.now`` - from
:func:`django.utils.timezone.now`
The default form widget for this field is a The default form widget for this field is a
:class:`~django.forms.TextInput`. The admin adds a JavaScript calendar, :class:`~django.forms.TextInput`. The admin adds a JavaScript calendar,