local exchange (GATHER, SINGLE, [])
    remote exchange (GATHER, SINGLE, [])
        final aggregation over (channel$gid, groupid, id$gid)
            local exchange (REPARTITION, HASH, ["channel$gid", "groupid", "id$gid"])
                remote exchange (REPARTITION, HASH, ["channel$gid", "groupid", "id$gid"])
                    partial aggregation over (channel$gid, groupid, id$gid)
                        local exchange (REPARTITION, ROUND_ROBIN, [])
                            join (LEFT, PARTITIONED):
                                final aggregation over (s_store_sk)
                                    local exchange (GATHER, SINGLE, [])
                                        remote exchange (REPARTITION, HASH, ["s_store_sk"])
                                            partial aggregation over (s_store_sk)
                                                join (INNER, REPLICATED):
                                                    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 (REPLICATE, BROADCAST, [])
                                                            scan store
                                final aggregation over (s_store_sk_50)
                                    local exchange (GATHER, SINGLE, [])
                                        remote exchange (REPARTITION, HASH, ["s_store_sk_50"])
                                            partial aggregation over (s_store_sk_50)
                                                join (INNER, REPLICATED):
                                                    join (INNER, REPLICATED):
                                                        scan store_returns
                                                        local exchange (GATHER, SINGLE, [])
                                                            remote exchange (REPLICATE, BROADCAST, [])
                                                                scan date_dim (pushdown = true)
                                                    local exchange (GATHER, SINGLE, [])
                                                        remote exchange (REPLICATE, BROADCAST, [])
                                                            scan store
                            cross join:
                                final aggregation over (cs_call_center_sk)
                                    local exchange (GATHER, SINGLE, [])
                                        remote exchange (REPARTITION, HASH, ["cs_call_center_sk"])
                                            partial aggregation over (cs_call_center_sk)
                                                join (INNER, REPLICATED):
                                                    scan catalog_sales
                                                    local exchange (GATHER, SINGLE, [])
                                                        remote exchange (REPLICATE, BROADCAST, [])
                                                            scan date_dim (pushdown = true)
                                local exchange (GATHER, SINGLE, [])
                                    remote exchange (REPLICATE, BROADCAST, [])
                                        final aggregation over (cr_call_center_sk)
                                            local exchange (GATHER, SINGLE, [])
                                                remote exchange (REPARTITION, HASH, ["cr_call_center_sk"])
                                                    partial aggregation over (cr_call_center_sk)
                                                        join (INNER, REPLICATED):
                                                            scan catalog_returns
                                                            local exchange (GATHER, SINGLE, [])
                                                                remote exchange (REPLICATE, BROADCAST, [])
                                                                    scan date_dim (pushdown = true)
                            join (LEFT, PARTITIONED):
                                final aggregation over (wp_web_page_sk)
                                    local exchange (GATHER, SINGLE, [])
                                        remote exchange (REPARTITION, HASH, ["wp_web_page_sk"])
                                            partial aggregation over (wp_web_page_sk)
                                                join (INNER, REPLICATED):
                                                    join (INNER, REPLICATED):
                                                        scan web_sales
                                                        local exchange (GATHER, SINGLE, [])
                                                            remote exchange (REPLICATE, BROADCAST, [])
                                                                scan date_dim (pushdown = true)
                                                    local exchange (GATHER, SINGLE, [])
                                                        remote exchange (REPLICATE, BROADCAST, [])
                                                            scan web_page
                                final aggregation over (wp_web_page_sk_312)
                                    local exchange (GATHER, SINGLE, [])
                                        remote exchange (REPARTITION, HASH, ["wp_web_page_sk_312"])
                                            partial aggregation over (wp_web_page_sk_312)
                                                join (INNER, REPLICATED):
                                                    join (INNER, REPLICATED):
                                                        scan web_returns
                                                        local exchange (GATHER, SINGLE, [])
                                                            remote exchange (REPLICATE, BROADCAST, [])
                                                                scan date_dim (pushdown = true)
                                                    local exchange (GATHER, SINGLE, [])
                                                        remote exchange (REPLICATE, BROADCAST, [])
                                                            scan web_page
