local exchange (GATHER, SINGLE, [])
    remote exchange (GATHER, SINGLE, [])
        join (INNER, PARTITIONED):
            join (INNER, PARTITIONED):
                final hashaggregation over (i_item_id_79)
                    local exchange (GATHER, SINGLE, [])
                        remote exchange (REPARTITION, HASH, ["i_item_id_79"])
                            partial hashaggregation over (i_item_id_79)
                                semijoin (REPLICATED):
                                    join (INNER, PARTITIONED):
                                        remote exchange (REPARTITION, HASH, ["cr_item_sk"])
                                            join (INNER, PARTITIONED):
                                                remote exchange (REPARTITION, HASH, ["d_date_sk_101"])
                                                    scan date_dim
                                                local exchange (GATHER, SINGLE, [])
                                                    remote exchange (REPARTITION, HASH, ["cr_returned_date_sk"])
                                                        scan catalog_returns
                                        local exchange (GATHER, SINGLE, [])
                                            remote exchange (REPARTITION, HASH, ["i_item_sk_78"])
                                                scan item
                                    local exchange (GATHER, SINGLE, [])
                                        remote exchange (REPLICATE, BROADCAST, [])
                                            semijoin (REPLICATED):
                                                scan date_dim
                                                local exchange (GATHER, SINGLE, [])
                                                    remote exchange (REPLICATE, BROADCAST, [])
                                                        scan date_dim (pushdown = true)
                final hashaggregation over (i_item_id_210)
                    local exchange (GATHER, SINGLE, [])
                        remote exchange (REPARTITION, HASH, ["i_item_id_210"])
                            partial hashaggregation over (i_item_id_210)
                                semijoin (REPLICATED):
                                    join (INNER, PARTITIONED):
                                        remote exchange (REPARTITION, HASH, ["i_item_sk_209"])
                                            scan item
                                        local exchange (GATHER, SINGLE, [])
                                            remote exchange (REPARTITION, HASH, ["wr_item_sk"])
                                                join (INNER, REPLICATED):
                                                    scan date_dim
                                                    local exchange (GATHER, SINGLE, [])
                                                        remote exchange (REPLICATE, BROADCAST, [])
                                                            scan web_returns
                                    local exchange (GATHER, SINGLE, [])
                                        remote exchange (REPLICATE, BROADCAST, [])
                                            semijoin (REPLICATED):
                                                scan date_dim
                                                local exchange (GATHER, SINGLE, [])
                                                    remote exchange (REPLICATE, BROADCAST, [])
                                                        scan date_dim (pushdown = true)
            final hashaggregation over (i_item_id)
                local exchange (GATHER, SINGLE, [])
                    remote exchange (REPARTITION, HASH, ["i_item_id"])
                        partial hashaggregation over (i_item_id)
                            semijoin (REPLICATED):
                                join (INNER, PARTITIONED):
                                    remote exchange (REPARTITION, HASH, ["sr_item_sk"])
                                        join (INNER, PARTITIONED):
                                            remote exchange (REPARTITION, HASH, ["d_date_sk"])
                                                scan date_dim
                                            local exchange (GATHER, SINGLE, [])
                                                remote exchange (REPARTITION, HASH, ["sr_returned_date_sk"])
                                                    scan store_returns
                                    local exchange (GATHER, SINGLE, [])
                                        remote exchange (REPARTITION, HASH, ["i_item_sk"])
                                            scan item
                                local exchange (GATHER, SINGLE, [])
                                    remote exchange (REPLICATE, BROADCAST, [])
                                        semijoin (REPLICATED):
                                            scan date_dim
                                            local exchange (GATHER, SINGLE, [])
                                                remote exchange (REPLICATE, BROADCAST, [])
                                                    scan date_dim (pushdown = true)
