add hybrid_index_test
add hybrid_index_test

amaliujia/CMUDB-peloton,amaliujia/CMUDB-peloton,ranxian/peloton,ranxian/peloton,amaliujia/CMUDB-peloton,ranxian/peloton,amaliujia/CMUDB-peloton,amaliujia/CMUDB-peloton,amaliujia/CMUDB-peloton,ranxian/peloton,amaliujia/CMUDB-peloton,ranxian/peloton,ranxian/peloton