A bit of a hint about your db schema, do you want a user ID to be one to
one with each book plot? also, why is your primary key a string field?
On Saturday, February 5, 2022 at 10:43:05 AM UTC-5 armaan...@gmail.com
wrote:
> Hello everyone,
>
> when i am trying to add uuid primary key , I am getting this error UNIQUE
> constraint failed: matrixapp_bookplot.user_id
>
> what is wrong here
>
> class BookPlot(models.Model):
>
> ref_id = models.CharField(max_length=25)
> code = str(uuid.uuid4()).replace("-", "")[:4]
> user_id=models.CharField(primary_key=True,max_length=50,
> default=code, editable=False)
> plot_number = models.CharField(max_length=25)
> Payable_amout = models.IntegerField(null=True, blank=True)
> Mnthly_Installment = models.IntegerField(null=True, blank=True)
> number_of_Installment = models.IntegerField()
> name = models.CharField(max_length=100)
> father_name = models.CharField(max_length=100)
> mobile_no = models.IntegerField()
> payment_mode = models.CharField(max_length=10)
> remarks = models.CharField(max_length=100)
> receipt = models.ImageField(upload_to = 'receipt/', null= True,
> blank=True)
>
> joinig_date=models.DateField(auto_now_add=True,null=True,blank=True)
>
>
>
>
> def bookplot(request):
>
>
> if request.method =="POST":
> ref_id = request.POST.get('ref_id')
>
> plot_number = request.POST.get('plot_number')
> amount = request.POST.get('amount')
> Mnthly_Installment = request.POST.get('Mnthly_installment')
> no_Installment = request.POST.get('no_Installment')
> name = request.POST.get('name')
> father_name = request.POST.get('father_name')
> mobile_number = request.POST.get('mobile_number')
> payment_mode = request.POST.get('payment_mode')
> remarks = request.POST.get('remarks')
> receipt = request.FILES.get('receipt')
> print(ref_id)
> book_plot = BookPlot(ref_id= ref_id,plot_number = plot_number,
> Payable_amout = amount,Mnthly_Installment = Mnthly_Installment,
> number_of_Installment = no_Installment, name = name,father_name =
> father_name , mobile_no = mobile_number, payment_mode = payment_mode
> ,remarks=remarks,receipt=receipt )
> book_plot.save()
>
>
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