django create empty migration
./manage.py makemigrations <app-name> --empty
./manage.py makemigrations --emptydjango create empty migration
./manage.py makemigrations <app-name> --empty
./manage.py makemigrations --emptyhow to undo makemigrations django
# The migration you want to undo is 0011_last_migration
# The migration right before it is 0010_previous_migration
python manage.py migrate my_app 0010_previous_migration
# Then you could delete the migration that you don't need (0011_last_migration) in the migration folder
# list all migration names like this
python manage.py showmigrations my_appYour models have changes that are not yet reflected in a migration, and so won't be applied. Run 'manage.py makemigrations' to make new migrations, and then re-run 'manage.py migrate' to apply them.
$ python manage.py makemigrations && python manage.py migrate
$ git add --all
$ git commit -m "fixed migrate error"
$ git push heroku master
$ heroku run python manage.py makemigrations
$ heroku run python manage.py migrate
--- Done ___Copyright © 2021 Codeinu
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