[sql_lab] Improve performance, only use slow func when needed (#9612)
[sql_lab] Improve performance, only use slow func when needed (#9612)


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