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Je models.pyDjango: requête impliquant clé étrangère
class employees(models.Model):
emp_id=models.PositiveIntegerField()
emp_name = models.CharField(max_length = 100)
emp_lname = models.CharField(max_length = 100)
emp_loc=models.CharField(max_length=5,choices=LOCATION)
manager_id=models.ForeignKey('self',null=True,blank=True)
class leave(models.Model):
employee = models.ForeignKey(employees, on_delete=models.CASCADE, default='1')
start_date = models.DateField()
end_date = models.DateField()
status=models.CharField(max_length=1,choices=LEAVE_STATUS,default='P')
ltype=models.CharField(max_length=2,choices=LEAVE_TYPE)
class notify(models.Model):
sender_id=models.ForeignKey(leave, related_name='%(class)s_sendername')
receiver_id=models.ForeignKey(leave,related_name='%(class)s_receivername')
date_time=models.DateTimeField(auto_now_add=True)
viewed=models.CharField(max_length=2)
Je veux l'id employé de receiver_id comme receiver_id est une clé étrangère ... Lorsque je fais une recherche notify.objects.filter(receiver_id__employee__emp_id=1
)
Je suis obtenir queryset vide mais je veux les tuples avec emp_id = 1.