local exchange (GATHER, SINGLE, [])
    remote exchange (GATHER, SINGLE, [])
        local exchange (GATHER, SINGLE, [])
            local exchange (REPARTITION, ROUND_ROBIN, [])
                final aggregation over (r_reason_desc)
                    local exchange (GATHER, SINGLE, [])
                        remote exchange (REPARTITION, HASH, [r_reason_desc])
                            partial aggregation over (r_reason_desc)
                                join (INNER, PARTITIONED):
                                    remote exchange (REPARTITION, HASH, [ws_item_sk, ws_order_number])
                                        join (INNER, REPLICATED):
                                            join (INNER, REPLICATED):
                                                dynamic filter (ws_item_sk::EQUAL, ws_order_number::EQUAL, ws_sold_date_sk::EQUAL, ws_web_page_sk::EQUAL)
                                                    scan web_sales
                                                local exchange (GATHER, SINGLE, [])
                                                    remote exchange (REPLICATE, BROADCAST, [])
                                                        scan date_dim
                                            local exchange (GATHER, SINGLE, [])
                                                remote exchange (REPLICATE, BROADCAST, [])
                                                    scan web_page
                                    local exchange (GATHER, SINGLE, [])
                                        remote exchange (REPARTITION, HASH, [wr_item_sk, wr_order_number])
                                            join (INNER, REPLICATED):
                                                join (INNER, REPLICATED):
                                                    join (INNER, REPLICATED):
                                                        join (INNER, REPLICATED):
                                                            dynamic filter (wr_reason_sk::EQUAL, wr_refunded_addr_sk::EQUAL, wr_refunded_cdemo_sk::EQUAL, wr_returning_cdemo_sk::EQUAL)
                                                                scan web_returns
                                                            local exchange (GATHER, SINGLE, [])
                                                                remote exchange (REPLICATE, BROADCAST, [])
                                                                    dynamic filter (cd_education_status::EQUAL, cd_marital_status::EQUAL)
                                                                        scan customer_demographics
                                                        local exchange (GATHER, SINGLE, [])
                                                            remote exchange (REPLICATE, BROADCAST, [])
                                                                scan customer_demographics
                                                    local exchange (GATHER, SINGLE, [])
                                                        remote exchange (REPLICATE, BROADCAST, [])
                                                            scan customer_address
                                                local exchange (GATHER, SINGLE, [])
                                                    remote exchange (REPLICATE, BROADCAST, [])
                                                        scan reason
