VeloxColumnarToRow
  WholeStageCodegenTransformer (5)
    SortExecTransformer [custdist,c_count]
      InputIteratorTransformer
        InputAdapter
          ColumnarExchange [custdist,c_count] #1
            VeloxResizeBatches
              WholeStageCodegenTransformer (4)
                RegularHashAggregateExecTransformer [c_count,count] [count(1),custdist,count]
                  InputIteratorTransformer
                    InputAdapter
                      ColumnarExchange [c_count,count] #2
                        VeloxResizeBatches
                          WholeStageCodegenTransformer (3)
                            ProjectExecTransformer [c_count,count]
                              FlushableHashAggregateExecTransformer [c_count] [count,count]
                                ProjectExecTransformer [count(o_orderkeyL)]
                                  RegularHashAggregateExecTransformer [c_custkey,count] [count(o_orderkeyL),count]
                                    InputIteratorTransformer
                                      InputAdapter
                                        ColumnarExchange [c_custkey,count] #3
                                          VeloxResizeBatches
                                            WholeStageCodegenTransformer (2)
                                              ProjectExecTransformer [c_custkey,count]
                                                FlushableHashAggregateExecTransformer [c_custkey,o_orderkey] [count,count]
                                                  ProjectExecTransformer [c_custkey,o_orderkey]
                                                    BroadcastHashJoinExecTransformer [c_custkey,o_custkey]
                                                      FileSourceScanExecTransformer parquet spark_catalog.default.customer [c_custkey]
                                                      InputIteratorTransformer
                                                        InputAdapter
                                                          ColumnarBroadcastExchange #4
                                                            WholeStageCodegenTransformer (1)
                                                              ProjectExecTransformer [o_orderkey,o_custkey]
                                                                FilterExecTransformer [o_comment,o_custkey]
                                                                  FileSourceScanExecTransformer parquet spark_catalog.default.orders [o_orderkey,o_custkey,o_comment]
