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Fixes #10786 -- Document that NullBooleanField should be used rather than BooleanField with null=True. Thanks sbj3 for the patch. 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16020 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Chris Beaven 2011-04-06 10:33:32 +00:00
parent ab9e596ca6
commit 91e59aeca0
1 changed files with 6 additions and 0 deletions
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docs/ref/models/fields.txt
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@ -59,6 +59,9 @@ string, not ``NULL``.
coerced for string-based fields that have the empty string as a possible
value, and the value ``NULL`` will be stored to denote the empty string.
If you want to accept :attr:`~Field.null` values with :class:`BooleanField`,
use :class:`NullBooleanField` instead.
``blank``
---------
@ -341,6 +344,9 @@ A true/false field.
The admin represents this as a checkbox.
If you need to accept :attr:`~Field.null` values then use
:class:`NullBooleanField` instead.
.. versionchanged:: 1.2
In previous versions of Django when running under MySQL ``BooleanFields``