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db.models.NullBooleanField

class NullBooleanField(**options) [source]

Like a BooleanField, but allows NULL as one of the options. Use this instead of a BooleanField with null=True. The default form widget for this field is a NullBooleanSelect.

Links:

https://docs.djangoproject.com/en/1.10/ref/models/fields/#django.db.models.NullBooleanField

doc_Django

2016-10-09 18:35:56

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