remote exchange (GATHER, SINGLE, [])
    local exchange (GATHER, UNKNOWN, [])
        remote exchange (REPARTITION, ROUND_ROBIN, [])
            join (INNER, PARTITIONED):
                join (INNER, PARTITIONED):
                    final aggregation over (d_week_seq)
                        local exchange (GATHER, SINGLE, [])
                            remote exchange (REPARTITION, HASH, ["d_week_seq"])
                                partial aggregation over (d_week_seq)
                                    join (INNER, REPLICATED):
                                        remote exchange (REPARTITION, ROUND_ROBIN, [])
                                            scan web_sales
                                            scan catalog_sales
                                        local exchange (GATHER, SINGLE, [])
                                            remote exchange (REPLICATE, BROADCAST, [])
                                                scan date_dim
                    local exchange (GATHER, SINGLE, [])
                        remote exchange (REPARTITION, HASH, ["d_week_seq_83"])
                            scan date_dim
                local exchange (GATHER, SINGLE, [])
                    remote exchange (REPARTITION, HASH, ["expr_395"])
                        join (INNER, PARTITIONED):
                            final aggregation over (d_week_seq_232)
                                local exchange (GATHER, SINGLE, [])
                                    remote exchange (REPARTITION, HASH, ["d_week_seq_232"])
                                        partial aggregation over (d_week_seq_232)
                                            join (INNER, REPLICATED):
                                                remote exchange (REPARTITION, ROUND_ROBIN, [])
                                                    scan web_sales
                                                    scan catalog_sales
                                                local exchange (GATHER, SINGLE, [])
                                                    remote exchange (REPLICATE, BROADCAST, [])
                                                        scan date_dim
                            local exchange (GATHER, SINGLE, [])
                                remote exchange (REPARTITION, HASH, ["d_week_seq_316"])
                                    scan date_dim
