Fixing MVCC delete
Fixing MVCC delete


Former-commit-id: f8e13ca8bcd0dbb5cb64026c139e5457100f30ca
omegaga/peloton,amaliujia/CMUDB-peloton,larryxiao/peloton-1,larryxiao/peloton,ranxian/peloton,larryxiao/peloton-1,ranxian/peloton,larryxiao/peloton,omegaga/peloton,larryxiao/peloton-1,larryxiao/peloton-1,omegaga/peloton,amaliujia/CMUDB-peloton,amaliujia/CMUDB-peloton,larryxiao/peloton,larryxiao/peloton,larryxiao/peloton,ranxian/peloton,omegaga/peloton,amaliujia/CMUDB-peloton,amaliujia/CMUDB-peloton,ranxian/peloton,larryxiao/peloton-1,ranxian/peloton,larryxiao/peloton,omegaga/peloton,ranxian/peloton,larryxiao/peloton-1,larryxiao/peloton-1,omegaga/peloton,amaliujia/CMUDB-peloton,omegaga/peloton,amaliujia/CMUDB-peloton,larryxiao/peloton