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所以,我必须简化这个在Django中,如何获得具有特定反向关系的所有记录的查询集?
class Activity(models.Model):
start_date = models.DateField()
title = models.TextField()
...
class Outcome(models.Model):
title = models.TextField()
code = models.CharField(max_length=20)
...
class ActivityOutcome(models.Model):
note = models.TextField()
outcome = models.ManyToMany(Outcome)
activity = models.ManyToMany(Activity)
class Organisation(models.Model):
title = models.TextField()
outcomes = models.ManyToManyField(Outcome, related_name='outcome_organisation')
...
class Programme(models.Model
title = models.TextField()
outcomes = models.ManyToMAnyField(Outcome, related_name='outcome_programme')
...
我想有一个类的ActivityOutcome
,因为它使得它更易于处理的数据模型,但我需要有一些Programme
成果和一些Organisation
成果。如果我想要一个包含所有“程序”结果的QuerySet,我该怎么做?
谢谢,我会给它一个。 – Dan