On Tue, May 7, 2019, 12:35 PM Soumen Khatua <soumenkhatua...@gmail.com wrote:
> Hi Folks, > > I didn't understand this code please help me to understand this code. > > class AddressQueryset(models.QuerySet): > def annotate_default(self, user): > # Set default shipping/billing address pk to None > # if default shipping/billing address doesn't exist > default_shipping_address_pk, default_billing_address_pk = None, > None > if user.default_shipping_address: > default_shipping_address_pk = user.default_shipping_address.pk > if user.default_billing_address: > default_billing_address_pk = user.default_billing_address.pk > return user.addresses.annotate( > user_default_shipping_address_pk=Value( > default_shipping_address_pk, models.IntegerField()), > user_default_billing_address_pk=Value( > default_billing_address_pk, models.IntegerField())) > > > default_shipping_address & default_billing_address_pk is available in my > User table it is a foreignkey of Address table and addresses is also > avialable in my User table as ManytoManytoField refering to same Address > Table and the last i'm using this inside Address table just like this : > objects = AddressQueryset.as_manager() > > > > Thank You > > -- > 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 post to this group, send email to django-users@googlegroups.com. > Visit this group at https://groups.google.com/group/django-users. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/CAPUw6Wbb9Emmq0aODhK9GmT9Z8X0TMQtSOsPJ-SA-99mpdT6sg%40mail.gmail.com > <https://groups.google.com/d/msgid/django-users/CAPUw6Wbb9Emmq0aODhK9GmT9Z8X0TMQtSOsPJ-SA-99mpdT6sg%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- 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 post to this group, send email to django-users@googlegroups.com. Visit this group at https://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/CAOs61rwsOdXyWTi%2BxhWO%3DybO2sLF77dmris_Au0Q1gsrUMhuCQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
