remote exchange (GATHER, SINGLE, [])
    local exchange (GATHER, UNKNOWN, [])
        remote exchange (REPARTITION, ROUND_ROBIN, [])
            join (INNER, PARTITIONED):
                remote exchange (REPARTITION, HASH, [subtract_400])
                    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
                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
