if request.method =='POST':
data = {'photo_id': get_latest_photo_id_plusone(),
'contest_id': get_latest_contest_id_plusone(),
'ownername': 'SUMMERSON',
}
form=PhotoForm(request.POST, initial=data)
if form.is_valid():
Photo = form.save()
else:
form = PhotoForm()
def get_latest_photo_id_plusone():
max_rating = Photo.objects.all().aggregate(Max('photo_id'))['photo_id__max']
return max_rating+1
def get_latest_contest_id_plusone():
max_rating =Photo.objects.all().aggregate(Max('contest_id'))['contest_id__max']
return max_rating+1
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items = Contest.objects.all()
random_item = random.choice(items)
if request.method =='POST':
data = {'contest_id': random_item.contest_id,
'ownername': 'SUMMERSON',
}
form=PhotoForm(request.POST, initial=data)
if form.is_valid():
Photo = form.save()
else:
form = PhotoForm()
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items = Contest.objects.all()
random_item = random.choice(items)
if request.method =='POST':
data = {'contest': random_item,
'ownername': 'SUMMERSON',
}
form=PhotoForm(request.POST, initial=data)
if form.is_valid():
photo = form.save() # Instances go in lowercase, otherwise you are doing it to the class
else:
form = PhotoForm()
NOT NULL constraint failed: photo_photo.contest_id_id
I tried with both 'contest': random_item and 'contest_id': random_item.contest_id. (I don't know why you wrote contest instead of contest_id. Field name is contest_id)
Nice try but I'm still getting this error:IntegrityError at /photo/create/
NOT NULL constraint failed: photo_photo.contest_id_idI tried with both 'contest': random_item and 'contest_id': random_item.contest_id. (I don't know why you wrote contest instead of contest_id. Field name is contest_id)
28 Kasım 2017 Salı 01:03:50 UTC+3 tarihinde Matemática A3K yazdı:items = Contest.objects.all()
random_item = random.choice(items)
if request.method =='POST':
data = {'contest': random_item,
'ownername': 'SUMMERSON',
}
form=PhotoForm(request.POST, initial=data)
if form.is_valid():
photo = form.save() # Instances go in lowercase, otherwise you are doing it to the class
else:
form = PhotoForm()
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On Mon, Nov 27, 2017 at 7:18 PM, Kubilay Yazoğlu <kyaz...@gmail.com> wrote:Nice try but I'm still getting this error:IntegrityError at /photo/create/
NOT NULL constraint failed: photo_photo.contest_id_idI tried with both 'contest': random_item and 'contest_id': random_item.contest_id. (I don't know why you wrote contest instead of contest_id. Field name is contest_id)That's because what you are passing is empty and the field is required. Are you sure that you have Contest objects?There is a convention in Django (models and ORM), "object.foreign_key" gives you the object, while "object.foreign_key_id" gives you the id of that object (and is what it is stored in the database). You should name your field only "contest" for avoiding confusions.
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Oh, that's a life saver information. Thanks. I edited my code.Unfortunately, only thing that has changed is the name of the error which looks like this right now: NOT NULL constraint failed: photo_photo.contest_idI'm going to take a break and try to solve the problem tomorrow. I appreciate your help.
if form.is_valid():
photo = form.save(commit=False)
photo.contest = random_item
photo.owner = 'SUMMERSON'
photo.save()
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That did the trick. There were some minor errors after it, but now there isn't. By the way, I tried this solution before I tried the "initial" solution but it didn't work at that time. Many thanks.
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