remote exchange (GATHER, SINGLE, [])
    local exchange (GATHER, UNKNOWN, [])
        remote exchange (REPARTITION, ROUND_ROBIN, [])
            final aggregation over (name_21)
                local exchange (GATHER, SINGLE, [])
                    remote exchange (REPARTITION, HASH, [name_21])
                        partial aggregation over (name_21)
                            join (INNER, PARTITIONED):
                                remote exchange (REPARTITION, HASH, [nationkey, suppkey])
                                    join (INNER, PARTITIONED):
                                        remote exchange (REPARTITION, HASH, [orderkey_5])
                                            dynamic filter (orderkey_5::EQUAL, suppkey::EQUAL)
                                                scan lineitem
                                        local exchange (GATHER, SINGLE, [])
                                            remote exchange (REPARTITION, HASH, [orderkey])
                                                join (INNER, PARTITIONED):
                                                    remote exchange (REPARTITION, HASH, [custkey_0])
                                                        dynamic filter (custkey_0::EQUAL)
                                                            scan orders
                                                    local exchange (GATHER, SINGLE, [])
                                                        remote exchange (REPARTITION, HASH, [custkey])
                                                            join (INNER, REPLICATED):
                                                                dynamic filter (nationkey::EQUAL, nationkey::EQUAL)
                                                                    scan customer
                                                                local exchange (GATHER, SINGLE, [])
                                                                    remote exchange (REPLICATE, BROADCAST, [])
                                                                        join (INNER, REPLICATED):
                                                                            dynamic filter (nationkey_20::EQUAL, regionkey::EQUAL)
                                                                                scan nation
                                                                            local exchange (GATHER, SINGLE, [])
                                                                                remote exchange (REPLICATE, BROADCAST, [])
                                                                                    scan region
                                local exchange (GATHER, SINGLE, [])
                                    remote exchange (REPARTITION, HASH, [nationkey_13, suppkey_10])
                                        scan supplier
