add predicate member for index executor
add predicate member for index executor

vittvolt/15721-peloton,malin1993ml/peloton,cmu-db/peloton,prashasthip/peloton,vittvolt/peloton,ShuxinLin/peloton,phisiart/peloton-p3,jessesleeping/iso_peloton,yingjunwu/peloton,yingjunwu/peloton,ShuxinLin/peloton,prashasthip/peloton,PauloAmora/peloton,seojungmin/peloton,PauloAmora/peloton,PauloAmora/peloton,phisiart/peloton-p3,AngLi-Leon/peloton,jessesleeping/iso_peloton,seojungmin/peloton,phisiart/peloton-p3,jessesleeping/iso_peloton,apavlo/peloton,seojungmin/peloton,cmu-db/peloton,seojungmin/peloton,wangziqi2016/peloton,vittvolt/peloton,AngLi-Leon/peloton,prashasthip/peloton,jessesleeping/iso_peloton,phisiart/peloton-p3,haojin2/peloton,PauloAmora/peloton,prashasthip/peloton,apavlo/peloton,prashasthip/peloton,AllisonWang/peloton,AllisonWang/peloton,phisiart/peloton-p3,wangziqi2016/peloton,apavlo/peloton,jessesleeping/iso_peloton,haojin2/peloton,seojungmin/peloton,AngLi-Leon/peloton,cmu-db/peloton,wangziqi2016/peloton,jessesleeping/iso_peloton,cmu-db/peloton,seojungmin/peloton,vittvolt/15721-peloton,malin1993ml/peloton,haojin2/peloton,AngLi-Leon/peloton,malin1993ml/peloton,apavlo/peloton,yingjunwu/peloton,wangziqi2016/peloton,AllisonWang/peloton,malin1993ml/peloton,AllisonWang/peloton,apavlo/peloton,malin1993ml/peloton,haojin2/peloton,yingjunwu/peloton,ShuxinLin/peloton,vittvolt/15721-peloton,AngLi-Leon/peloton,haojin2/peloton,ShuxinLin/peloton,vittvolt/15721-peloton,AllisonWang/peloton,AngLi-Leon/peloton,vittvolt/peloton,vittvolt/15721-peloton,yingjunwu/peloton,vittvolt/peloton,vittvolt/peloton,ShuxinLin/peloton,malin1993ml/peloton,PauloAmora/peloton,jessesleeping/iso_peloton,prashasthip/peloton,apavlo/peloton,haojin2/peloton,PauloAmora/peloton,phisiart/peloton-p3,cmu-db/peloton,cmu-db/peloton,ShuxinLin/peloton,yingjunwu/peloton,wangziqi2016/peloton,AllisonWang/peloton,vittvolt/peloton,wangziqi2016/peloton,vittvolt/15721-peloton