should be it

external/duckdb/benchmark/tpch_plan_cost/queries/q01.sql

@@ -0,0 +1,21 @@
+SELECT
+    l_returnflag,
+    l_linestatus,
+    sum(l_quantity) AS sum_qty,
+    sum(l_extendedprice) AS sum_base_price,
+    sum(l_extendedprice * (1 - l_discount)) AS sum_disc_price,
+    sum(l_extendedprice * (1 - l_discount) * (1 + l_tax)) AS sum_charge,
+    avg(l_quantity) AS avg_qty,
+    avg(l_extendedprice) AS avg_price,
+    avg(l_discount) AS avg_disc,
+    count(*) AS count_order
+FROM
+    lineitem
+WHERE
+    l_shipdate <= CAST('1998-09-02' AS date)
+GROUP BY
+    l_returnflag,
+    l_linestatus
+ORDER BY
+    l_returnflag,
+    l_linestatus;