anfema_django_utils.db.functions.SubquerySum

class SubquerySum(queryset, column, output_field=None, **extra)

Bases: django.db.models.Subquery

Useful for subquery-sum aggregations in query annotations: Requires a subquery, column name and output_field type.

Methods

Attributes

template

template = '(SELECT sum(_sum."%(column)s") FROM (%(subquery)s) _sum)'