thanks all of you for replying me On Sun, 6 Feb 2022 at 22:18, Sebastian Jung <[email protected]> wrote:
> Hello, > > Because your implementation is wrong. > > Please read this > https://tech.serhatteker.com/post/2020-01/uuid-primary-key/ > > Jason <[email protected]> schrieb am So., 6. Feb. 2022, 00:27: > >> 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 [email protected] >> 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() >>> >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "Django users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/django-users/8e0d1acf-a7c2-4a6b-9b04-001856d47071n%40googlegroups.com >> <https://groups.google.com/d/msgid/django-users/8e0d1acf-a7c2-4a6b-9b04-001856d47071n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/CAKGT9my2cwrWhGOty3H6Vn%3Du7xQqFh242m8YHV_vZ7QV9gBsiA%40mail.gmail.com > <https://groups.google.com/d/msgid/django-users/CAKGT9my2cwrWhGOty3H6Vn%3Du7xQqFh242m8YHV_vZ7QV9gBsiA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/CAO5R%2BOu69yRfFLUCqfST5QxiMf_VjBykjqQPnKhRAs48Xz-yzw%40mail.gmail.com.
