python - 如何创建没有主键列并避免 Id 默认列的 Django 模型

Question

我使用 SQL Server 作为默认数据库。我使用inspectdb 命令复制了模型中的SQL Server 表。现在，SQL Server 表没有任何主键列。因此，django 模型自动创建 id 作为主键，并在发布数据时给我错误。

column "id" does not exist

是否有任何解决方法可以在删除 id 的同时不在模型的任何列上定义主键？

from django.db import models

class ImptCustomer(models.Model):
    customerid = models.IntegerField(db_column='CustomerId', blank=True, null=True)  # Field name made lowercase.
    name = models.CharField(db_column='Name', max_length=50, blank=True, null=True)  # Field name made lowercase.
    phonenumber = models.CharField(db_column='PhoneNumber', max_length=20, blank=True, null=True)  # Field name made lowercase.
    emailaddress = models.CharField(db_column='EmailAddress', max_length=100, blank=True, null=True)  # Field name made lowercase.
    streetline = models.CharField(db_column='StreetLine', max_length=50, blank=True, null=True)  # Field name made lowercase.
    city = models.CharField(db_column='City', max_length=50, blank=True, null=True)  # Field name made lowercase.
    statecode = models.CharField(db_column='StateCode', max_length=5, blank=True, null=True)  # Field name made lowercase.
    postalcode = models.CharField(db_column='PostalCode', max_length=20, blank=True, null=True)  # Field name made lowercase.
    customer_key = models.IntegerField(db_column='Customer_Key', blank=True, null=True, editable = False)  # Field name made lowercase.

    class Meta:
        managed = False
        db_table = 'IMPT_Customer'

Answer 1

如果您没有显式定义主键，则 id 将成为您的主键。所以你不能那样做。