local exchange (GATHER, SINGLE, [])
    remote exchange (GATHER, SINGLE, [])
        final aggregation over (name)
            local exchange (GATHER, SINGLE, [])
                remote exchange (REPARTITION, HASH, ["name"])
                    partial aggregation over (name)
                        single aggregation over (commitdate, exists, name, name_7, nationkey, orderkey, orderstatus, receiptdate, suppkey, unique)
                            join (LEFT, PARTITIONED):
                                final aggregation over (commitdate, name, name_7, nationkey, orderkey, orderstatus, receiptdate, suppkey, unique_189)
                                    local exchange (GATHER, SINGLE, [])
                                        partial aggregation over (commitdate, name, name_7, nationkey, orderkey, orderstatus, receiptdate, suppkey, unique_189)
                                            join (LEFT, PARTITIONED):
                                                remote exchange (REPARTITION, HASH, ["orderkey"])
                                                    join (INNER, PARTITIONED):
                                                        remote exchange (REPARTITION, HASH, ["nationkey"])
                                                            join (INNER, PARTITIONED):
                                                                remote exchange (REPARTITION, HASH, ["orderkey"])
                                                                    join (INNER, PARTITIONED):
                                                                        remote exchange (REPARTITION, HASH, ["suppkey"])
                                                                            scan supplier
                                                                        local exchange (GATHER, SINGLE, [])
                                                                            remote exchange (REPARTITION, HASH, ["suppkey_0"])
                                                                                scan lineitem
                                                                local exchange (GATHER, SINGLE, [])
                                                                    remote exchange (REPARTITION, HASH, ["orderkey_3"])
                                                                        scan orders
                                                        local exchange (GATHER, SINGLE, [])
                                                            remote exchange (REPARTITION, HASH, ["nationkey_6"])
                                                                scan nation
                                                local exchange (GATHER, SINGLE, [])
                                                    remote exchange (REPARTITION, HASH, ["orderkey_10"])
                                                        scan lineitem
                                local exchange (GATHER, SINGLE, [])
                                    remote exchange (REPARTITION, HASH, ["orderkey_92"])
                                        scan lineitem
