final aggregation over ()
    local exchange (GATHER, SINGLE, [])
        remote exchange (GATHER, SINGLE, [])
            partial aggregation over ()
                cross join:
                    join (RIGHT, PARTITIONED):
                        final aggregation over (ws_item_sk_3)
                            local exchange (GATHER, SINGLE, [])
                                remote exchange (REPARTITION, HASH, ["ws_item_sk_3"])
                                    partial aggregation over (ws_item_sk_3)
                                        join (INNER, REPLICATED):
                                            scan web_sales
                                            local exchange (GATHER, SINGLE, [])
                                                remote exchange (REPLICATE, BROADCAST, [])
                                                    scan date_dim
                        local exchange (GATHER, SINGLE, [])
                            remote exchange (REPARTITION, HASH, ["ws_item_sk"])
                                join (INNER, REPLICATED):
                                    join (INNER, REPLICATED):
                                        scan web_sales
                                        local exchange (GATHER, SINGLE, [])
                                            remote exchange (REPLICATE, BROADCAST, [])
                                                scan item
                                    local exchange (GATHER, SINGLE, [])
                                        remote exchange (REPLICATE, BROADCAST, [])
                                            scan date_dim
                    local exchange (GATHER, SINGLE, [])
                        remote exchange (REPLICATE, BROADCAST, [])
                            single aggregation over ()
                                values (1 rows)
