local exchange (GATHER, SINGLE, [])
    remote exchange (GATHER, SINGLE, [])
        join (INNER, REPLICATED):
            scan customer_demographics
            local exchange (GATHER, SINGLE, [])
                remote exchange (REPLICATE, BROADCAST, [])
                    join (INNER, REPLICATED):
                        scan store_returns
                        local exchange (GATHER, SINGLE, [])
                            remote exchange (REPLICATE, BROADCAST, [])
                                join (INNER, PARTITIONED):
                                    remote exchange (REPARTITION, HASH, ["hd_income_band_sk"])
                                        join (INNER, REPLICATED):
                                            scan household_demographics
                                            local exchange (GATHER, SINGLE, [])
                                                remote exchange (REPLICATE, BROADCAST, [])
                                                    join (INNER, REPLICATED):
                                                        scan customer
                                                        local exchange (GATHER, SINGLE, [])
                                                            remote exchange (REPLICATE, BROADCAST, [])
                                                                scan customer_address (pushdown = true)
                                    local exchange (GATHER, SINGLE, [])
                                        remote exchange (REPARTITION, HASH, ["ib_income_band_sk"])
                                            scan income_band (pushdown = true)
