Add second and minute grains (#7810)
Add second and minute grains (#7810)


zhouyao1994/incubator-superset,mistercrunch/panoramix,zhouyao1994/incubator-superset,apache/incubator-superset,airbnb/superset,airbnb/caravel,apache/incubator-superset,airbnb/caravel,apache/incubator-superset,zhouyao1994/incubator-superset,airbnb/superset,airbnb/caravel,apache/incubator-superset,airbnb/superset,apache/incubator-superset,mistercrunch/panoramix,zhouyao1994/incubator-superset,airbnb/superset,airbnb/caravel,zhouyao1994/incubator-superset,mistercrunch/panoramix,mistercrunch/panoramix