blank and null with Oracle

Some odd behavior with Oracle involving blank and null.

blank is True on this field:

my_auto = models.AutoField(blank=False, null=False, primary_key=True)

null is True on this field:

uncles = models.ManyToManyField(Uncle, blank=False, null=False) 

null is True on this field:

photo = models.ImageField(upload_to="uploads/") 

And, then, as documented null=True on CharFields.

The most disturbing thing is that blank/null on the first two examples are the opposite of what is explicitly declared.

Should I post this on django-developers. Is this behavior documented? Are this problems/quirks known?

-Skylar

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