Django-1.2.1/django/contrib/gis/db/models/aggregates.py

   1 from django.db.models import Aggregate
   2 from django.contrib.gis.db.models.sql import GeomField
   3
   4 class Collect(Aggregate):
   5     name = 'Collect'
   6
   7 class Extent(Aggregate):
   8     name = 'Extent'
   9
  10 class Extent3D(Aggregate):
  11     name = 'Extent3D'
  12
  13 class MakeLine(Aggregate):
  14     name = 'MakeLine'
  15
  16 class Union(Aggregate):
  17     name = 'Union'