final hashaggregation over ()
    local exchange (GATHER, SINGLE, [])
        remote exchange (GATHER, SINGLE, [])
            partial hashaggregation over ()
                final hashaggregation over (expr_121, expr_122, expr_123)
                    local exchange (REPARTITION, HASH, ["expr_121", "expr_122", "expr_123"])
                        partial hashaggregation over (c_first_name, c_last_name, d_date)
                            final hashaggregation over (c_first_name, c_last_name, d_date)
                                local exchange (GATHER, SINGLE, [])
                                    remote exchange (REPARTITION, HASH, ["c_first_name", "c_last_name", "d_date"])
                                        partial hashaggregation over (c_first_name, c_last_name, d_date)
                                            join (INNER, PARTITIONED):
                                                remote exchange (REPARTITION, HASH, ["ss_customer_sk"])
                                                    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, ["c_customer_sk"])
                                                        scan customer
                        partial hashaggregation over (c_first_name_44, c_last_name_45, d_date_10)
                            final hashaggregation over (c_first_name_44, c_last_name_45, d_date_10)
                                local exchange (GATHER, SINGLE, [])
                                    remote exchange (REPARTITION, HASH, ["c_first_name_44", "c_last_name_45", "d_date_10"])
                                        partial hashaggregation over (c_first_name_44, c_last_name_45, d_date_10)
                                            join (INNER, PARTITIONED):
                                                remote exchange (REPARTITION, HASH, ["cs_bill_customer_sk"])
                                                    join (INNER, REPLICATED):
                                                        scan catalog_sales
                                                        local exchange (GATHER, SINGLE, [])
                                                            remote exchange (REPLICATE, BROADCAST, [])
                                                                scan date_dim
                                                local exchange (GATHER, SINGLE, [])
                                                    remote exchange (REPARTITION, HASH, ["c_customer_sk_36"])
                                                        scan customer
                        partial hashaggregation over (c_first_name_102, c_last_name_103, d_date_68)
                            final hashaggregation over (c_first_name_102, c_last_name_103, d_date_68)
                                local exchange (GATHER, SINGLE, [])
                                    remote exchange (REPARTITION, HASH, ["c_first_name_102", "c_last_name_103", "d_date_68"])
                                        partial hashaggregation over (c_first_name_102, c_last_name_103, d_date_68)
                                            join (INNER, PARTITIONED):
                                                remote exchange (REPARTITION, HASH, ["ws_bill_customer_sk"])
                                                    join (INNER, REPLICATED):
                                                        scan web_sales
                                                        local exchange (GATHER, SINGLE, [])
                                                            remote exchange (REPLICATE, BROADCAST, [])
                                                                scan date_dim
                                                local exchange (GATHER, SINGLE, [])
                                                    remote exchange (REPARTITION, HASH, ["c_customer_sk_94"])
                                                        scan customer
