def value_to_db_datetime(self, value):
        if value is None:
            return None
        return unicode(value)
Returns a Geometry representing all the points in this Geometry and other.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/django/db/backends/__init__.py/BaseDatabaseOperations.value_to_db_datetime--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/contrib/gis/geos/geometry.py/GEOSGeometry.union