trying to support decimal.
trying to support decimal.


Former-commit-id: eaa22cd631653eeddb5861a82e1ede365c840540
prashasthip/peloton,jessesleeping/iso_peloton,seojungmin/peloton,ShuxinLin/peloton,malin1993ml/peloton,yingjunwu/peloton,malin1993ml/peloton,jessesleeping/iso_peloton,ShuxinLin/peloton,prashasthip/peloton,ShuxinLin/peloton,prashasthip/peloton,wangziqi2016/peloton,seojungmin/peloton,haojin2/peloton,haojin2/peloton,ShuxinLin/peloton,jessesleeping/iso_peloton,jessesleeping/iso_peloton,yingjunwu/peloton,vittvolt/peloton,seojungmin/peloton,cmu-db/peloton,apavlo/peloton,eric-haibin-lin/peloton-1,phisiart/peloton-p3,vittvolt/peloton,seojungmin/peloton,vittvolt/15721-peloton,yingjunwu/peloton,apavlo/peloton,PauloAmora/peloton,jessesleeping/iso_peloton,apavlo/peloton,wangziqi2016/peloton,vittvolt/peloton,malin1993ml/peloton,AllisonWang/peloton,apavlo/peloton,AngLi-Leon/peloton,phisiart/peloton-p3,malin1993ml/peloton,ShuxinLin/peloton,AngLi-Leon/peloton,phisiart/peloton-p3,cmu-db/peloton,AngLi-Leon/peloton,seojungmin/peloton,PauloAmora/peloton,vittvolt/15721-peloton,phisiart/peloton-p3,eric-haibin-lin/peloton-1,vittvolt/15721-peloton,vittvolt/15721-peloton,apavlo/peloton,seojungmin/peloton,AngLi-Leon/peloton,PauloAmora/peloton,eric-haibin-lin/peloton-1,phisiart/peloton-p3,PauloAmora/peloton,cmu-db/peloton,AllisonWang/peloton,wangziqi2016/peloton,AllisonWang/peloton,jessesleeping/iso_peloton,vittvolt/peloton,AllisonWang/peloton,prashasthip/peloton,malin1993ml/peloton,haojin2/peloton,apavlo/peloton,jessesleeping/iso_peloton,wangziqi2016/peloton,AllisonWang/peloton,yingjunwu/peloton,yingjunwu/peloton,vittvolt/peloton,vittvolt/peloton,wangziqi2016/peloton,phisiart/peloton-p3,cmu-db/peloton,ShuxinLin/peloton,cmu-db/peloton,vittvolt/15721-peloton,cmu-db/peloton,yingjunwu/peloton,malin1993ml/peloton,prashasthip/peloton,wangziqi2016/peloton,eric-haibin-lin/peloton-1,AngLi-Leon/peloton,haojin2/peloton,haojin2/peloton,haojin2/peloton,AngLi-Leon/peloton,PauloAmora/peloton,eric-haibin-lin/peloton-1,prashasthip/peloton,PauloAmora/peloton,eric-haibin-lin/peloton-1,AllisonWang/peloton,vittvolt/15721-peloton