def _MaybeSetupTransaction(request, keys):
  return _GetConnection()._set_request_transaction(request)
Validate single element of field.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/datastore.py/_MaybeSetupTransaction--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/protorpc/protorpc/messages.py/Field.validate_element