CODEWITHSUNDEEP
pythondjangodjango-modelsdjango-rest-frameworkrelational-database
Shift 'n Tab
Shift 'n Tab

Reputation: 9443

What is the Correct Django Model Relationship

Im a beginner in django and its modeling structure. And i would like to seek answer from anyone.

I have a model Animal and Herd

Each herd has a multiple animals and an animal belongs to a herd. So i design this many-to-one model relationship as an example. Am i in a wrong way or should i continue this practice? Because i am confuse with the djangorestframework serializer relations of Album and Track model relationship. Please help.

animal.models.py

class Animal(models.Model):
    name = models.CharField(max_length=25)
    date_of_birth = models.DateField()
    birth_weight = models.IntegerField()
    sex = models.CharField(max_length=7)
    sibling_order = models.IntegerField()

herd.models.py

class Herd(models.Model):
    animal = models.ForeignKeyField(Animal, related_name="animals", on_delete=models.CASCADE)
    name = models.CharField(max_length=25)
    description = models.TextField(max_length=250, null=True)

Upvotes: 0

Views: 44

Answers (1)

Daniel Roseman
Daniel Roseman

Reputation: 599610

This is the wrong way round. You have a herd consisting of a single animal, but an animal belonging to many herds. You need to have the ForeignKey in Animal, pointing to Herd.

Upvotes: 1

Related Questions