remote exchange (GATHER, SINGLE, [])
    local exchange (GATHER, UNKNOWN, [])
        remote exchange (REPARTITION, ROUND_ROBIN, [])
            join (INNER, PARTITIONED):
                remote exchange (REPARTITION, HASH, ["i_item_sk", "w_warehouse_sk"])
                    final aggregation over (d_moy, i_item_sk, w_warehouse_name, w_warehouse_sk)
                        local exchange (GATHER, SINGLE, [])
                            remote exchange (REPARTITION, HASH, ["d_moy", "i_item_sk", "w_warehouse_name", "w_warehouse_sk"])
                                partial aggregation over (d_moy, i_item_sk, w_warehouse_name, w_warehouse_sk)
                                    join (INNER, REPLICATED):
                                        join (INNER, REPLICATED):
                                            join (INNER, REPLICATED):
                                                scan inventory
                                                local exchange (GATHER, SINGLE, [])
                                                    remote exchange (REPLICATE, BROADCAST, [])
                                                        scan date_dim (pushdown = true)
                                            local exchange (GATHER, SINGLE, [])
                                                remote exchange (REPLICATE, BROADCAST, [])
                                                    scan item
                                        local exchange (GATHER, SINGLE, [])
                                            remote exchange (REPLICATE, BROADCAST, [])
                                                scan warehouse
                local exchange (GATHER, SINGLE, [])
                    remote exchange (REPARTITION, HASH, ["i_item_sk_70", "w_warehouse_sk_93"])
                        final aggregation over (d_moy_116, i_item_sk_70, w_warehouse_name_95, w_warehouse_sk_93)
                            local exchange (GATHER, SINGLE, [])
                                remote exchange (REPARTITION, HASH, ["d_moy_116", "i_item_sk_70", "w_warehouse_name_95", "w_warehouse_sk_93"])
                                    partial aggregation over (d_moy_116, i_item_sk_70, w_warehouse_name_95, w_warehouse_sk_93)
                                        join (INNER, REPLICATED):
                                            join (INNER, REPLICATED):
                                                join (INNER, REPLICATED):
                                                    scan inventory
                                                    local exchange (GATHER, SINGLE, [])
                                                        remote exchange (REPLICATE, BROADCAST, [])
                                                            scan date_dim (pushdown = true)
                                                local exchange (GATHER, SINGLE, [])
                                                    remote exchange (REPLICATE, BROADCAST, [])
                                                        scan item
                                            local exchange (GATHER, SINGLE, [])
                                                remote exchange (REPLICATE, BROADCAST, [])
                                                    scan warehouse
