local exchange (GATHER, SINGLE, [])
    remote exchange (GATHER, SINGLE, [])
        final hashaggregation over (groupid, i_item_id$gid, s_state$gid)
            local exchange (REPARTITION, HASH, ["groupid", "i_item_id$gid", "s_state$gid"])
                remote exchange (REPARTITION, HASH, ["groupid", "i_item_id$gid", "s_state$gid"])
                    partial hashaggregation over (groupid, i_item_id$gid, s_state$gid)
                        join (INNER, REPLICATED):
                            join (INNER, REPLICATED):
                                join (INNER, PARTITIONED):
                                    remote exchange (REPARTITION, HASH, ["ss_cdemo_sk"])
                                        join (INNER, REPLICATED):
                                            scan store_sales
                                            local exchange (GATHER, SINGLE, [])
                                                remote exchange (REPLICATE, BROADCAST, [])
                                                    scan date_dim (pushdown = true)
                                    local exchange (GATHER, SINGLE, [])
                                        remote exchange (REPARTITION, HASH, ["cd_demo_sk"])
                                            scan customer_demographics (pushdown = true)
                                local exchange (GATHER, SINGLE, [])
                                    remote exchange (REPLICATE, BROADCAST, [])
                                        scan store (pushdown = true)
                            local exchange (GATHER, SINGLE, [])
                                remote exchange (REPLICATE, BROADCAST, [])
                                    scan item
