cubicweb #17256809 improve the model/data migration mechanism [open]

see flyway, alembic, south, django.migrations, peewee

https://flywaydb.org

https://alembic.sqlalchemy.org/

https://south.readthedocs.io/

https://docs.djangoproject.com/en/2.2/topics/migrations/

http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#schema-migrations

priorityimportant
typeenhancement
done in<not specified>
closed by<not specified>