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[英]Integrity Error NOT NULL constraint failed even though I have set blank=True, null=True in my model
[英]Why can't I set my Django Model's USPhoneNumberField to null=True, blank=True?
我的Django模型:
from localflavor.us.forms import USPhoneNumberField
class Profile(models.Model):
cellPhone = USPhoneNumberField(null=True, blank=True,)
当我执行manage.py syncdb时,这给我以下错误:
cellPhone = USPhoneNumberField(null=True, blank=True,)
TypeError: __init__() got an unexpected keyword argument 'null'
如果不允许我像其他许多字段一样将其声明为null = True,如何使该字段为可选?
USPhoneNumberField
是form
类型,而不是模型类型
用法(通常)是:
class Profile(models.Model):
cellPhone = models.CharField(max_length=20, null=True, blank=True,)
和forms.py
class ProfileForm(forms.Form): #or forms.ModelForm
cellPhone = forms.USPhoneNumberField(...)
这是文档
class localflavor.us.models.PhoneNumberField(* args,** kwargs)一个CharField,它检查该值是否为有效的美国式电话号码(格式为XXX-XXX-XXXX)。
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