def _to_pbs(self):
    return [order._to_pb() for order in self._orders]
Store blob in map.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/datastore/datastore_query.py/CompositeOrder._to_pbs--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/blobstore/dict_blob_storage.py/DictBlobStorage.CreateBlob