local exchange (GATHER, SINGLE, [])
    remote exchange (GATHER, SINGLE, [])
        final aggregation over (i_item_desc, i_item_id, s_state)
            local exchange (GATHER, SINGLE, [])
                remote exchange (REPARTITION, HASH, [i_item_desc, i_item_id, s_state])
                    partial aggregation over (i_item_desc, i_item_id, s_state)
                        join (INNER, PARTITIONED):
                            remote exchange (REPARTITION, HASH, [i_item_sk, sr_customer_sk])
                                join (INNER, REPLICATED):
                                    join (INNER, REPLICATED):
                                        join (INNER, PARTITIONED):
                                            remote exchange (REPARTITION, HASH, [ss_customer_sk, ss_item_sk, ss_ticket_number])
                                                join (INNER, REPLICATED):
                                                    scan store_sales
                                                    local exchange (GATHER, SINGLE, [])
                                                        remote exchange (REPLICATE, BROADCAST, [])
                                                            scan date_dim
                                            local exchange (GATHER, SINGLE, [])
                                                remote exchange (REPARTITION, HASH, [sr_customer_sk, sr_item_sk, sr_ticket_number])
                                                    join (INNER, REPLICATED):
                                                        scan store_returns
                                                        local exchange (GATHER, SINGLE, [])
                                                            remote exchange (REPLICATE, BROADCAST, [])
                                                                scan date_dim
                                        local exchange (GATHER, SINGLE, [])
                                            remote exchange (REPLICATE, BROADCAST, [])
                                                scan store
                                    local exchange (GATHER, SINGLE, [])
                                        remote exchange (REPLICATE, BROADCAST, [])
                                            scan item
                            local exchange (GATHER, SINGLE, [])
                                remote exchange (REPARTITION, HASH, [cs_bill_customer_sk, cs_item_sk])
                                    join (INNER, REPLICATED):
                                        scan catalog_sales
                                        local exchange (GATHER, SINGLE, [])
                                            remote exchange (REPLICATE, BROADCAST, [])
                                                scan date_dim
