local exchange (GATHER, SINGLE, [])
    remote exchange (GATHER, SINGLE, [])
        local exchange (GATHER, SINGLE, [])
            local exchange (REPARTITION, ROUND_ROBIN, [])
                join (INNER, PARTITIONED):
                    final aggregation over (d_year_20, ws_bill_customer_sk, ws_item_sk)
                        local exchange (GATHER, SINGLE, [])
                            remote exchange (REPARTITION, HASH, [ws_bill_customer_sk, ws_item_sk])
                                intermediate aggregation over (d_year_20, ws_bill_customer_sk, ws_item_sk)
                                    join (INNER, REPLICATED):
                                        partial aggregation over (ws_bill_customer_sk, ws_item_sk, ws_sold_date_sk)
                                            join (LEFT, PARTITIONED):
                                                remote exchange (REPARTITION, HASH, [ws_item_sk, ws_order_number])
                                                    dynamic filter (ws_bill_customer_sk::EQUAL, ws_item_sk::EQUAL, ws_sold_date_sk::EQUAL)
                                                        scan web_sales
                                                local exchange (GATHER, SINGLE, [])
                                                    remote exchange (REPARTITION, HASH, [wr_item_sk, wr_order_number])
                                                        dynamic filter (wr_item_sk::EQUAL)
                                                            scan web_returns
                                        local exchange (GATHER, SINGLE, [])
                                            remote exchange (REPLICATE, BROADCAST, [])
                                                scan date_dim
                    local exchange (GATHER, SINGLE, [])
                        remote exchange (REPARTITION, HASH, [ss_customer_sk, ss_item_sk])
                            join (INNER, REPLICATED):
                                final aggregation over (d_year, ss_customer_sk, ss_item_sk)
                                    local exchange (GATHER, SINGLE, [])
                                        remote exchange (REPARTITION, HASH, [d_year, ss_customer_sk, ss_item_sk])
                                            intermediate aggregation over (d_year, ss_customer_sk, ss_item_sk)
                                                join (INNER, REPLICATED):
                                                    partial aggregation over (ss_customer_sk, ss_item_sk, ss_sold_date_sk)
                                                        join (LEFT, PARTITIONED):
                                                            remote exchange (REPARTITION, HASH, [ss_item_sk, ss_ticket_number])
                                                                dynamic filter (ss_customer_sk::EQUAL, ss_sold_date_sk::EQUAL)
                                                                    scan store_sales
                                                            local exchange (GATHER, SINGLE, [])
                                                                remote exchange (REPARTITION, HASH, [sr_item_sk, sr_ticket_number])
                                                                    scan store_returns
                                                    local exchange (GATHER, SINGLE, [])
                                                        remote exchange (REPLICATE, BROADCAST, [])
                                                            scan date_dim
                                local exchange (GATHER, SINGLE, [])
                                    remote exchange (REPLICATE, BROADCAST, [])
                                        final aggregation over (cs_bill_customer_sk, cs_item_sk, d_year_61)
                                            local exchange (GATHER, SINGLE, [])
                                                remote exchange (REPARTITION, HASH, [cs_bill_customer_sk, cs_item_sk, d_year_61])
                                                    intermediate aggregation over (cs_bill_customer_sk, cs_item_sk, d_year_61)
                                                        join (INNER, REPLICATED):
                                                            partial aggregation over (cs_bill_customer_sk, cs_item_sk, cs_sold_date_sk)
                                                                join (LEFT, PARTITIONED):
                                                                    remote exchange (REPARTITION, HASH, [cs_item_sk, cs_order_number])
                                                                        dynamic filter (cs_sold_date_sk::EQUAL)
                                                                            scan catalog_sales
                                                                    local exchange (GATHER, SINGLE, [])
                                                                        remote exchange (REPARTITION, HASH, [cr_item_sk, cr_order_number])
                                                                            scan catalog_returns
                                                            local exchange (GATHER, SINGLE, [])
                                                                remote exchange (REPLICATE, BROADCAST, [])
                                                                    scan date_dim
