dj_mano 0.1.1

Materialized Annotations for Django Models

Materialized Annotations for Django Models. Typical use-case is to keep track of the number of comments in a post, or the number of contributions a user has made.

Installation

pip install dj_mano

Usage

@materialized_annotations
class ModelA(models.Model):
    count_b = MaterializedAnnotationIntegerField(models.Count('models_b'))
    count_c = MaterializedAnnotationIntegerField(models.Count('models_b__models_c'))


class ModelB(models.Model):
    model_a = models.ForeignKey('ModelA', related_name='models_b')


class ModelC(models.Model):
    model_b = models.ForeignKey('ModelB', related_name='models_c')