Handled the corner case that index name is missing
Handled the corner case that index name is missing


Former-commit-id: 0a0879a95830024dcbafd4cb5bb49308226a1bb1
phisiart/peloton-p3,jessesleeping/iso_peloton,prashasthip/peloton,PauloAmora/peloton,PauloAmora/peloton,apavlo/peloton,ShuxinLin/peloton,haojin2/peloton,AllisonWang/peloton,AllisonWang/peloton,seojungmin/peloton,yingjunwu/peloton,eric-haibin-lin/peloton-1,AllisonWang/peloton,PauloAmora/peloton,phisiart/peloton-p3,cmu-db/peloton,prashasthip/peloton,vittvolt/peloton,wangziqi2016/peloton,yingjunwu/peloton,eric-haibin-lin/peloton-1,wangziqi2016/peloton,malin1993ml/peloton,prashasthip/peloton,seojungmin/peloton,wangziqi2016/peloton,ShuxinLin/peloton,ShuxinLin/peloton,vittvolt/15721-peloton,malin1993ml/peloton,haojin2/peloton,AllisonWang/peloton,AngLi-Leon/peloton,prashasthip/peloton,ShuxinLin/peloton,prashasthip/peloton,haojin2/peloton,prashasthip/peloton,apavlo/peloton,jessesleeping/iso_peloton,malin1993ml/peloton,jessesleeping/iso_peloton,cmu-db/peloton,jessesleeping/iso_peloton,eric-haibin-lin/peloton-1,PauloAmora/peloton,ShuxinLin/peloton,malin1993ml/peloton,AngLi-Leon/peloton,ShuxinLin/peloton,jessesleeping/iso_peloton,PauloAmora/peloton,vittvolt/15721-peloton,yingjunwu/peloton,jessesleeping/iso_peloton,malin1993ml/peloton,cmu-db/peloton,vittvolt/15721-peloton,apavlo/peloton,vittvolt/peloton,seojungmin/peloton,apavlo/peloton,cmu-db/peloton,AngLi-Leon/peloton,seojungmin/peloton,phisiart/peloton-p3,vittvolt/peloton,malin1993ml/peloton,wangziqi2016/peloton,jessesleeping/iso_peloton,AngLi-Leon/peloton,cmu-db/peloton,AllisonWang/peloton,vittvolt/peloton,vittvolt/peloton,apavlo/peloton,haojin2/peloton,phisiart/peloton-p3,yingjunwu/peloton,wangziqi2016/peloton,eric-haibin-lin/peloton-1,seojungmin/peloton,vittvolt/peloton,yingjunwu/peloton,vittvolt/15721-peloton,wangziqi2016/peloton,apavlo/peloton,vittvolt/15721-peloton,vittvolt/15721-peloton,cmu-db/peloton,AngLi-Leon/peloton,haojin2/peloton,PauloAmora/peloton,phisiart/peloton-p3,seojungmin/peloton,phisiart/peloton-p3,yingjunwu/peloton,eric-haibin-lin/peloton-1,AngLi-Leon/peloton,eric-haibin-lin/peloton-1,haojin2/peloton,AllisonWang/peloton