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我有以下三种模式有许多联系起来,以一对多的关系:许多的一侧获得了许多来自其他
class TeamMember(models.Model):
member_name = models.CharField(max_length=140)
title = models.CharField(max_length=140, null=True, blank=True)
email = models.EmailField()
report = models.ManyToManyField(Report, through='Owner')
class Report(models.Model):
report_name = models.CharField(max_length=140)
report_description = models.TextField(null=True, blank=True)
last_updated = models.DateTimeField(null=True, blank=True)
metric = models.ManyToManyField(Metric, through='MetricAssociation')
class Owner(models.Model):
teammember = models.ForeignKey(TeamMember, on_delete=models.CASCADE)
report = models.ForeignKey(Report, on_delete=models.CASCADE)
我想建立谁属于特定TeamMembers的对象列表报告(由所有者指定)但有麻烦。目前我有该报告的ID。我想这一点,但它似乎是错误的:
owners = TeamMember.objects.filter(report__id=id).distinct().values_list('name', flat=True)