I have the following model:

class CardInfo(models.Model):
    custid = models.CharField(max_length=30, db_index=True, primary_key = True)
    first_name = models.CharField(max_length=100)
    last_name = models.CharField(max_length=100)
    street = models.CharField(max_length=100)
    building = models.CharField(max_length=100)
    city = models.CharField(max_length=100)
    state = models.CharField(max_length=100)
    zipcode = models.CharField(max_length=100)
    payment_method = models.CharField(max_length=100, null=True, blank=True)
    amount = models.CharField(default = '0',max_length=10, null=True, blank=True)
    valid_to_month = models.CharField(max_length=100, null=True, blank=True)
    valid_to_year = models.CharField(max_length=100, null=True, blank=True)
def __unicode__(self):
    return "Cust ID %s" %(self.custid)

In the shell, when i give full_clean i get validation error but on save it s getting saved rather than throwing error. why is this so? i am using django1.3 and python 2.6:

c=CardInfo(custid="Asasasas")
c.full_clean()
Traceback (most recent call last):
File "<console>", line 1, in <module>
File "/usr/local/python2.6/lib/python2.6/site-packages/django/db/models/base.py", line 828, in full_clean
raise ValidationError(errors)
ValidationError: {'building': [u'This field cannot be blank.'], 'city': [u'This field cannot be blank.'], 'first_name': [u'This field cannot be blank.'], 'last_name': [u'This field cannot be blank.'], 'zipcode': [u'This field cannot be blank.'], 'state': [u'This field cannot be blank.'], 'street': [u'This field cannot be blank.']}
c.save()
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