local exchange (GATHER, SINGLE, [])
    remote exchange (GATHER, SINGLE, [])
        local exchange (GATHER, SINGLE, [])
            remote exchange (REPARTITION, HASH, ["i_manager_id"])
                final aggregation over (d_moy, i_manager_id)
                    local exchange (GATHER, SINGLE, [])
                        remote exchange (REPARTITION, HASH, ["d_moy", "i_manager_id"])
                            partial aggregation over (d_moy, i_manager_id)
                                join (INNER, REPLICATED):
                                    join (INNER, REPLICATED):
                                        join (INNER, REPLICATED):
                                            scan store_sales
                                            local exchange (GATHER, SINGLE, [])
                                                remote exchange (REPLICATE, BROADCAST, [])
                                                    scan item
                                        local exchange (GATHER, SINGLE, [])
                                            remote exchange (REPLICATE, BROADCAST, [])
                                                scan date_dim
                                    local exchange (GATHER, SINGLE, [])
                                        remote exchange (REPLICATE, BROADCAST, [])
                                            scan store
