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So I have Article model and Category model. And below are my models. 

class Category(models.Model):
    objects = models.Manager()
    category_kor = models.CharField(max_length=10, default="책")
    category_eng = models.CharField(max_length=10, default="book")

    def __str__(self):
        return self.category

class Article(models.Model):
    objects = models.Manager()

    category_eng = models.ForeignKey(Category, on_delete=models.CASCADE, related_name = '', null=True, default=None) 
    category_kor = models.ForeignKey(Category, on_delete=models.CASCADE, related_name = '', null=True, default=None)
    title = models.CharField(max_length = 100)
    subtitle = models.CharField(max_length = 100)
    url = models.URLField(max_length=10000)

    def __str__(self):
        return self.title

So I've done some research and noticed that I have to do something with the related_name but I cannot fully understand and apply it to my model. Please help. Thank you very much.

Ryan Oh
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1 Answers1

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I think, Instead of using same value in related_field, if you use different value it should work.

class Article(models.Model):
    objects = models.Manager()
    category_eng = models.ForeignKey(Category, on_delete=models.CASCADE, related_name = 'rel_category', null=True, default=None) 
    category_kor = models.ForeignKey(Category, on_delete=models.CASCADE, related_name = 'related_category_kor', null=True, default=None)
    title = models.CharField(max_length = 100)
    subtitle = models.CharField(max_length = 100)
    url = models.URLField(max_length=10000)

    def __str__(self):
        return self.title
mursalin
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