python - Django. South. Can't migrate field: relation already exists

Question

I've been having lots of problems with South, I just can't add new fields.

So this is what I did:

• dropped the south_migrationhistory table from the database, deleted all the migration folders and uninstalled south "pip uninstall south".
• then, installed south again.
• ran syncdb to create the south table on the db.
• converted_to_south the app where I want to add the fields. (everything working fine till this point)
• ran schemamigration app --auto. And it gave me the regular message "+added field ... you can now apply this migration with .manage.py migrate app"
• did "python manage.py migrate app".

Get this error:

ProgrammingError: column "profile_image" of relation "profiles_profiles" already exists. (the new fields I want to add are called "nickname" and "profile_image", the app name is called "profiles" and the model is called "profiles" as well).

I think I'm doing exactly what the docs write.

What I have tried:

• deleting everything and starting again a couple of times.

• faking a migration and then running "migrate" again. (I get "nothing to migrate", and then the same error "relation already exists")

Answer 1

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