def DocumentEnd(self, event, loader):
    assert self._top[0] == _TOKEN_DOCUMENT
    self._results.append(self._Pop())
Adds a single aggregate expression to the Query
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/yaml_builder.py/BuilderHandler.DocumentEnd--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/db/models/sql/query.py/Query.add_aggregate