class AB(models.Model):
a = models.ForeignKey(A)
b = models.ForeignKey(B)
c = models.IntegerField(default=0)
d = models.FloatField(default=0)
e = models.IntegerField(default=0)
f = models.FloatField(default=0)
class Meta:
unique_together = (('a', 'b'),)
I have a class like above.
when I call get_or_create, sometimes IntegrityError: (1062, "Duplicate entry)
error happens.
a, _ = AB.objects.get_or_create(a=a, b=b)
I really have googled and worked on it for a while, but still nothing.
anyone can help?
Thanks in advance.
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