why create and get_or_create can't use id to set foerign key ?

[张沈鹏(电子科大08年本科应届)]

why create and get_or_create  can't use id to set foerign key ?

for example I can't write like below:

Star.objects.get_or_create(user=request.user,title_id=title_id)

I have to write like this:

    try:
        Star.objects.get(user=request.user,title=title_id)
    except Star.DoesNotExist:
        Star(user=request.user,title_id=title_id).save()



-- 


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-- 张沈鹏

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