VeloxColumnarToRow
  WholeStageCodegenTransformer (2)
    RegularHashAggregateExecTransformer [sum,isEmpty] [sum((l_extendedprice * l_discount)),revenue,sum,isEmpty]
      InputIteratorTransformer
        InputAdapter
          ColumnarExchange #1
            VeloxResizeBatches
              WholeStageCodegenTransformer (1)
                FlushableHashAggregateExecTransformer [_pre_x] [sum,isEmpty,sum,isEmpty,sum,isEmpty]
                  ProjectExecTransformer [l_extendedprice,l_discount]
                    InputIteratorTransformer
                      InputAdapter
                        RowToVeloxColumnar
                          LocalTableScan [l_extendedprice,l_discount]
