下面是一对多的关系模型
class Cats(models.Model):
#…
catnum = models.IntegerField(unique=True)
#…
class Items(models.Model):
catid = models.ForeignKey(Cats, to_field='catnum', db_column='catid')
#…
Unhandled exception in thread started by
Traceback (most recent call last):
File “c:python27libsite-packagesdjangocoremanagementcommandsunserver.py”, line 48, in inner_run
self.validate(display_num_errors=True)
File “c:python27libsite-packagesdjangocoremanagementase.py”, line 253, in validate
raise CommandError(“One or more models did not validate:
%s” % error_text)
django.core.management.base.CommandError: One or more models did not validate:
beauty.items: Reverse query name for field ‘catid’ clashes with field ‘Cats.items’. Add a related_name argument to the definit
ion for ‘catid’.
发生的错误大概意思是要增加一个related_name参数，所以Items模型改为
class Items(models.Model):
catid = models.ForeignKey(Cats, to_field='catnum', db_column='catid', related_name='catid')
#…
来源：搞代码网：原文地址：https://www.gaodaima.com
转载请注明原文链接：Django一对多关系模型Add a related_name argument to the definit的错误
