How to add a new field to a model with new django migrations? -

How to add a new field to a model with new django migrations? -

i'm using contribute_to_class method don't know how create field in db new migrations.

to reply question, new migration introduced in django 1.7, in order add together new field model can add together field model , initialize migrations ./manage.py makemigrations , run ./manage.py migrate , new field added db. avoid dealing errors existing models however, can utilize --fake:

initialize migrations existing models:

./manage.py makemigrations myapp

fake migrations existing models:

./manage.py migrate --fake myapp

add new field myapp.models:

from django.db import models class mymodel(models.model): ... #existing fields newfield = models.charfield(max_length=100) #new field

run makemigrations 1 time again (this add together new migration file in migrations folder add together newfield db):

./manage.py makemigrations myapp

run migrate again:

./manage.py migrate myapp

django django-models django-1.7 django-migrations