@Override
    public PlanNode visitStreamSort(StreamSortNode node, Context context) {
      checkPrefixMatch(context, node.getOrderingScheme().getOrderBy());
      return visitPlan(node, context);
    }
We need to make sure: context#partitionKey can match the prefix of childOrderSchema
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/relational/planner/optimizations/ParallelizeGrouping.java