I am using Django 1.8 to build a demo project.Inside my project I have one
app 'Book'.Book app initially had this model -
class Book(models.Model):
title = models.CharField(max_length=200)
author = models.TextField()
pub_date = models.DateTimeField('date published')
I applied makemigrations and then filled some data through my frontend
website.Now Book model has 3 rows. Now I wanted to add another field to
Book model like this -
class Book(models.Model):
title = models.CharField(max_length=200)
author = models.TextField()
pub_date = models.DateTimeField('date published')
thumbnail = models.FileField(upload_to=get_upload_file_name)
In fear of losing my existing data I dumped my data in a json file using
python manage.py dumpdata command. Now what are the next steps in this?I
mean now I want to empty the whole book table.Then apply makemigrations
because I added one field.Also will I have to add default to thumbnail
field when applying migrations?
After that I want to populate the table again from an existing json file.
Thanks.
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