gistfile1.txt

- Output[orderpriority, shippriority]
    - Project => [orderpriority:varchar, shippriority:bigint]
        - Aggregate[orderpriority, shippriority] => [orderpriority:varchar, shippriority:bigint, $hashvalue:bigint]
            - Project => [orderpriority:varchar, shippriority:bigint, $hashvalue:bigint]
                    $hashvalue := "hash"("hash"(0, "$operator$hash_code"("orderpriority")), "$operator$hash_code"("shippriority"))
                - TableScan[local:tpch:orders:sf0.01, original constraint=true] => [orderpriority:varchar, shippriority:bigint]
                        orderpriority := local:tpch:orderpriority:5
                        shippriority := local:tpch:shippriority:7