Re: about unique_together

Django doesn’t support multiple primary keys. unique_together just adds an extra constraint to the table. Since you didn’t specify a primary key, id was added for you by default. Sent from my iPad > On Nov 14, 2018, at 1:55 AM, 胡超 wrote: > > > class QdProjectAssist(models.Model): > ''

about unique_together

class QdProjectAssist(models.Model): ''' 页面推荐 ''' # id = models.AutoField('主键', primary_key=True) project_id = models.ForeignKey('QdProject', verbose_name='项目', on_delete=models.CASCADE) assist_id = models.ForeignKey('QdAssist', verbose_name='正文', on_delete=models.CASCA