How to query directly the table created by Django for a ManyToMany relation?

Question

I have a model MyModel2 with a ManyToManyField related to another model MyModel1.

How can I get the pairs mymodel1.id, mymodel2.id, as represented in the table Django creates for this relation? Do I have to do a raw SQL query on this table or is it possible through the object managers of this models?

class MyModel1(models.Model):
    name = models.CharField(max_length=50)
  

class MyModel2(models.Model):
    name = models.CharField(max_length=50)
    mymodel1 = models.ManyToManyField(MyModel1)

Asked By: jul

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Source

Answer 1

This is the many to many field instance:

MyModel2.mymodel1

This is the intermediary table model:

MyModel2.mymodel1.through

This is the intermediary model manager:

MyModel2.mymodel1.through.objects

This returns a queryset for all intermediary models:

MyModel2.mymodel1.through.objects.all()

This part of django docs talk about through. You can make a through model yourself, else it is automatically generated.

Answered By: jpic

How to query directly the table created by Django for a ManyToMany relation?

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