from django.db.models import Aggregate
__all__ = ['Collect', 'Extent', 'Extent3D', 'MakeLine', 'Union']
class Collect(Aggregate):
name = 'Collect'
class Extent(Aggregate):
name = 'Extent'
class Extent3D(Aggregate):
name = 'Extent3D'
class MakeLine(Aggregate):
name = 'MakeLine'
class Union(Aggregate):
name = 'Union'
