cross join:
    final aggregation over ()
        local exchange (GATHER, SINGLE, [])
            remote exchange (GATHER, SINGLE, [])
                partial aggregation over ()
                    join (INNER, PARTITIONED):
                        remote exchange (REPARTITION, HASH, [ss_customer_sk])
                            join (INNER, REPLICATED):
                                join (INNER, REPLICATED):
                                    join (INNER, REPLICATED):
                                        join (INNER, REPLICATED):
                                            dynamic filter (ss_customer_sk::EQUAL, ss_item_sk::EQUAL, ss_promo_sk::EQUAL, ss_sold_date_sk::EQUAL, ss_store_sk::EQUAL)
                                                scan store_sales
                                            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 (REPLICATE, BROADCAST, [])
                                        scan promotion
                        local exchange (GATHER, SINGLE, [])
                            remote exchange (REPARTITION, HASH, [c_customer_sk])
                                join (INNER, REPLICATED):
                                    dynamic filter (c_current_addr_sk::EQUAL)
                                        scan customer
                                    local exchange (GATHER, SINGLE, [])
                                        remote exchange (REPLICATE, BROADCAST, [])
                                            scan customer_address
    final aggregation over ()
        local exchange (GATHER, SINGLE, [])
            remote exchange (GATHER, SINGLE, [])
                partial aggregation over ()
                    join (INNER, PARTITIONED):
                        remote exchange (REPARTITION, HASH, [ss_customer_sk_20])
                            join (INNER, REPLICATED):
                                join (INNER, REPLICATED):
                                    join (INNER, REPLICATED):
                                        dynamic filter (ss_customer_sk_20::EQUAL, ss_item_sk_19::EQUAL, ss_sold_date_sk_40::EQUAL, ss_store_sk_24::EQUAL)
                                            scan store_sales
                                        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, [c_customer_sk_107])
                                join (INNER, REPLICATED):
                                    dynamic filter (c_current_addr_sk_111::EQUAL)
                                        scan customer
                                    local exchange (GATHER, SINGLE, [])
                                        remote exchange (REPLICATE, BROADCAST, [])
                                            scan customer_address
