chore: Leverage SQLALchemy ping rather than explicit SELECT 1 for testconn (#11223)
chore: Leverage SQLALchemy ping rather than explicit SELECT 1 for testconn (#11223)


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