HI . when i want to add a new field called "slug" to my "Post" model, the
migrate command will raise UNIQUE constraint failed: new__chat_post.slug
after that i remove that field from my model but the problem still exists.
why?? and how to resolve this problem without deleting my whole table
datas. thanks ..
the model:
class Post(models.Model):
title = models.TextField(max_length=100)
context = models.TextField(max_length=255)
creation_date = models.DateTimeField(default = timezone.now)
author = models.ForeignKey(settings.AUTH_USER_MODEL,on_delete = models.
CASCADE)
slug = models.SlugField(default=["title"],unique=True)
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