local exchange (GATHER, SINGLE, [])
    remote exchange (GATHER, SINGLE, [])
        final aggregation over (i_product_name)
            local exchange (GATHER, SINGLE, [])
                remote exchange (REPARTITION, HASH, ["i_product_name"])
                    partial aggregation over (i_product_name)
                        cross join:
                            join (LEFT, REPLICATED):
                                scan item
                                local exchange (GATHER, SINGLE, [])
                                    remote exchange (REPLICATE, BROADCAST, [])
                                        final aggregation over (i_manufact_14)
                                            local exchange (GATHER, SINGLE, [])
                                                remote exchange (REPARTITION, HASH, ["i_manufact_14"])
                                                    partial aggregation over (i_manufact_14)
                                                        scan item
                            local exchange (GATHER, SINGLE, [])
                                remote exchange (REPLICATE, BROADCAST, [])
                                    single aggregation over ()
                                        values (1 rows)
