An ltree extension implementation to support hierarchical tree-like data using the native Postgres extension ltree in django models
A tree extension implementation to support hierarchical tree-like data in Django models,
using the native Postgres extension ltree
.
Postgresql has already a optimized and very useful tree implementation for data. The extension is ltree
This fork contains a backport to Django 1.11 and Python 3.6.
TODO
pip install django-ltree
Then add django_ltree
to INSTALLED_APPS
in your Django project settings.
And make sure to run django_ltree
migrations before you added the PathField
python manage.py migrate django_ltree
django_ltree
migrations will install the ltree
extension if not exist.
You can alternatively specify the django_ltree
dependency in the migrations of
your applications that requires PathField
, and run migrations smoothly.
class Migration(migrations.Migration):
dependencies = [
('django_ltree', '__latest__'),
]
Make sure you have Postgres installed. Then simply run tox
in the root directory of the project.