local exchange (GATHER, SINGLE, [])
    remote exchange (GATHER, SINGLE, [])
        local exchange (GATHER, SINGLE, [])
            local exchange (REPARTITION, ROUND_ROBIN, [])
                final aggregation over (gid, sm_type, web_name)
                    local exchange (GATHER, SINGLE, [])
                        remote exchange (REPARTITION, HASH, [gid, sm_type, web_name])
                            intermediate aggregation over (gid, sm_type, web_name)
                                join (INNER, REPLICATED):
                                    join (INNER, REPLICATED):
                                        join (INNER, REPLICATED):
                                            partial aggregation over (ws_ship_mode_sk, ws_warehouse_sk, ws_web_site_sk)
                                                join (INNER, REPLICATED):
                                                    dynamic filter (ws_ship_date_sk::EQUAL, ws_ship_mode_sk::EQUAL, ws_warehouse_sk::EQUAL, ws_web_site_sk::EQUAL)
                                                        scan web_sales
                                                    local exchange (GATHER, SINGLE, [])
                                                        remote exchange (REPLICATE, BROADCAST, [])
                                                            scan date_dim
                                            local exchange (GATHER, SINGLE, [])
                                                remote exchange (REPLICATE, BROADCAST, [])
                                                    scan web_site
                                        local exchange (GATHER, SINGLE, [])
                                            remote exchange (REPLICATE, BROADCAST, [])
                                                scan ship_mode
                                    local exchange (GATHER, SINGLE, [])
                                        remote exchange (REPLICATE, BROADCAST, [])
                                            scan warehouse
