refactor sql_json view endpoint: extract to method reuse code (#16546)
refactor sql_json view endpoint: extract to method reuse code (#16546)


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