refactor sql_json view endpoint: separate save query concern into ad hod method (#16646)
refactor sql_json view endpoint: separate save query concern into ad hod method (#16646)


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