remote exchange (GATHER, SINGLE, [])
    local exchange (GATHER, UNKNOWN, [])
        remote exchange (REPARTITION, ROUND_ROBIN, [])
            join (INNER, PARTITIONED):
                join (INNER, PARTITIONED):
                    final hashaggregation over (d_week_seq)
                        local exchange (GATHER, SINGLE, [])
                            remote exchange (REPARTITION, HASH, ["d_week_seq"])
                                partial hashaggregation over (d_week_seq)
                                    join (INNER, PARTITIONED):
                                        remote exchange (REPARTITION, HASH, ["d_date_sk"])
                                            scan date_dim
                                        local exchange (GATHER, SINGLE, [])
                                            remote exchange (REPARTITION, HASH, ["ws_sold_date_sk"])
                                                scan web_sales
                                            remote exchange (REPARTITION, HASH, ["cs_sold_date_sk"])
                                                scan catalog_sales
                    local exchange (GATHER, SINGLE, [])
                        remote exchange (REPARTITION, HASH, ["d_week_seq_57"])
                            scan date_dim (pushdown = true)
                local exchange (GATHER, SINGLE, [])
                    remote exchange (REPARTITION, HASH, ["subtract"])
                        join (INNER, PARTITIONED):
                            final hashaggregation over (d_week_seq_181)
                                local exchange (GATHER, SINGLE, [])
                                    remote exchange (REPARTITION, HASH, ["d_week_seq_181"])
                                        partial hashaggregation over (d_week_seq_181)
                                            join (INNER, PARTITIONED):
                                                remote exchange (REPARTITION, HASH, ["d_date_sk_177"])
                                                    scan date_dim
                                                local exchange (GATHER, SINGLE, [])
                                                    remote exchange (REPARTITION, HASH, ["ws_sold_date_sk_91"])
                                                        scan web_sales
                                                    remote exchange (REPARTITION, HASH, ["cs_sold_date_sk_132"])
                                                        scan catalog_sales
                            local exchange (GATHER, SINGLE, [])
                                remote exchange (REPARTITION, HASH, ["d_week_seq_250"])
                                    scan date_dim (pushdown = true)
