On Wed, 20 Apr 2022, 11:05 Kasper Laudrup, <laud...@stacktrace.dk> wrote:

> On 20/04/2022 11.33, Ankit Chaurasia wrote:
> > from django.db import models
> > class Customer(models.Model):
> >      name = models.CharField(max_length=20)
> >      phone = models.IntegerField()
> > I want to concatenate name + last digit of phone number.
> >
>
> It makes no sense to store a phone number as an integer. A phone number
> is not something you can increment, decrement or do similar arithmetic
> operations with.
>

Not only that, but it is all too easy to lose the leading zeroes that are
often part of a phone number. Kasper is right: don't go there. (I won't
even mention about leading plus signs...)


> Just use a CharField or probably even better, a field dedicated to phone
> numbers:
>
> https://pypi.org/project/django-phonenumber-field/
>
> Using a more proper field type will make it simple to do the
> concatenation using standard Python.
>
> Kind regards,
>
> Kasper Laudrup
>
> --
> 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 django-users+unsubscr...@googlegroups.com.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/django-users/789404f7-e665-d102-1dee-406cbfcfe4cd%40stacktrace.dk
> .
>

-- 
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 django-users+unsubscr...@googlegroups.com.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/django-users/CAHAc2jdzq8qvP47BfxgDbRJ25qAM4cqBvqPhmFZWvvZM3-rqzw%40mail.gmail.com.

Reply via email to