Keep order of axis data when storing df (#2092)
Keep order of axis data when storing df (#2092)


ArijanaBrlek/superset,massgov/incubator-superset,mistercrunch/panoramix,airbnb/caravel,zhouyao1994/incubator-superset,FrederichCheng/incubator-superset,alanmcruickshank/superset-dev,timifasubaa/incubator-superset,nekia/incubator-superset-dev,massgov/incubator-superset,timifasubaa/incubator-superset,apache/incubator-superset,BRD-CD/superset,FrederichCheng/incubator-superset,timifasubaa/incubator-superset,FrederichCheng/incubator-superset,FrederichCheng/incubator-superset,SingTel-DataCo/incubator-superset,nekia/incubator-superset-dev,airbnb/caravel,mistercrunch/panoramix,robert-digit/superset,airbnb/superset,alanmcruickshank/superset-dev,robert-digit/superset,ArijanaBrlek/superset,alanmcruickshank/superset-dev,asdf2014/superset,alanmcruickshank/superset-dev,airbnb/caravel,apache/incubator-superset,apache/incubator-superset,nekia/incubator-superset-dev,dmigo/incubator-superset,BRD-CD/superset,airbnb/superset,airbnb/superset,airbnb/caravel,ArijanaBrlek/superset,asdf2014/superset,BRD-CD/superset,dmigo/incubator-superset,robert-digit/superset,airbnb/superset,apache/incubator-superset,asdf2014/superset,mistercrunch/panoramix,massgov/incubator-superset,SingTel-DataCo/incubator-superset,zhouyao1994/incubator-superset,zhouyao1994/incubator-superset,massgov/incubator-superset,dmigo/incubator-superset,asdf2014/superset,zhouyao1994/incubator-superset,zhouyao1994/incubator-superset,BRD-CD/superset,mistercrunch/panoramix,nekia/incubator-superset-dev,robert-digit/superset,apache/incubator-superset,ArijanaBrlek/superset,SingTel-DataCo/incubator-superset,dmigo/incubator-superset,timifasubaa/incubator-superset,SingTel-DataCo/incubator-superset