def _get_trigger_with_parameters(self):
        return TriggerDB.objects(Q(parameters__exists=True) & Q(parameters__nin=[{}]))
test using really high dimensions
dataset/ETHPy150Open StackStorm/st2/tools/migrate_triggers_to_include_ref_count.py/TriggerMigrator._get_trigger_with_parameters--crossover with--dataset/ETHPy150Open bolme/pyvision/src/pyvision/ml/knn.py/AKNNTest.testReallyHighDim