Update the interface between plan mapper, plan node and executor for INSERT. Seems to be working. Something is ugly but I will clean it up.
Update the interface between plan mapper, plan node and executor for INSERT.
Seems to be working.
Something is ugly but I will clean it up.


Former-commit-id: e861cc8e200f009535008df91953a4e613d9955c
PauloAmora/peloton,yingjunwu/peloton,malin1993ml/peloton,seojungmin/peloton,wangziqi2016/peloton,eric-haibin-lin/peloton-1,vittvolt/peloton,yingjunwu/peloton,eric-haibin-lin/peloton-1,AllisonWang/peloton,prashasthip/peloton,jessesleeping/iso_peloton,apavlo/peloton,AllisonWang/peloton,apavlo/peloton,jessesleeping/iso_peloton,vittvolt/15721-peloton,malin1993ml/peloton,eric-haibin-lin/peloton-1,jessesleeping/iso_peloton,phisiart/peloton-p3,ShuxinLin/peloton,jessesleeping/iso_peloton,vittvolt/15721-peloton,haojin2/peloton,vittvolt/peloton,vittvolt/15721-peloton,seojungmin/peloton,haojin2/peloton,apavlo/peloton,wangziqi2016/peloton,haojin2/peloton,malin1993ml/peloton,vittvolt/peloton,phisiart/peloton-p3,wangziqi2016/peloton,PauloAmora/peloton,ShuxinLin/peloton,eric-haibin-lin/peloton-1,malin1993ml/peloton,cmu-db/peloton,AllisonWang/peloton,PauloAmora/peloton,wangziqi2016/peloton,prashasthip/peloton,cmu-db/peloton,phisiart/peloton-p3,AngLi-Leon/peloton,cmu-db/peloton,AngLi-Leon/peloton,AngLi-Leon/peloton,ShuxinLin/peloton,AngLi-Leon/peloton,ShuxinLin/peloton,yingjunwu/peloton,PauloAmora/peloton,AllisonWang/peloton,cmu-db/peloton,haojin2/peloton,prashasthip/peloton,cmu-db/peloton,PauloAmora/peloton,vittvolt/peloton,vittvolt/15721-peloton,malin1993ml/peloton,vittvolt/15721-peloton,yingjunwu/peloton,wangziqi2016/peloton,phisiart/peloton-p3,jessesleeping/iso_peloton,phisiart/peloton-p3,AngLi-Leon/peloton,apavlo/peloton,vittvolt/peloton,prashasthip/peloton,seojungmin/peloton,eric-haibin-lin/peloton-1,prashasthip/peloton,prashasthip/peloton,PauloAmora/peloton,AngLi-Leon/peloton,phisiart/peloton-p3,apavlo/peloton,eric-haibin-lin/peloton-1,haojin2/peloton,vittvolt/15721-peloton,vittvolt/peloton,AllisonWang/peloton,ShuxinLin/peloton,jessesleeping/iso_peloton,malin1993ml/peloton,apavlo/peloton,seojungmin/peloton,haojin2/peloton,wangziqi2016/peloton,cmu-db/peloton,ShuxinLin/peloton,yingjunwu/peloton,AllisonWang/peloton,jessesleeping/iso_peloton,seojungmin/peloton,yingjunwu/peloton,seojungmin/peloton