should be it

external/duckdb/benchmark/ingestion/load_tpch.sql

@@ -0,0 +1,35 @@
+CALL dbgen(sf=1);
+EXPORT DATABASE 'duckdb_benchmark_data/tpch_parquet' (FORMAT PARQUET);
+EXPORT DATABASE 'duckdb_benchmark_data/tpch_csv' (FORMAT CSV);
+
+create view customer_csv as select * from read_csv('duckdb_benchmark_data/tpch_csv/customer.csv');
+create view customer_parquet as select * from read_parquet('duckdb_benchmark_data/tpch_parquet/customer.parquet');
+create view customer_native as select * from customer;
+
+create view lineitem_csv as select * from read_csv('duckdb_benchmark_data/tpch_csv/lineitem.csv');
+create view lineitem_parquet as select * from read_parquet('duckdb_benchmark_data/tpch_parquet/lineitem.parquet');
+create view lineitem_native as select * from lineitem;
+
+create view nation_csv as select * from read_csv('duckdb_benchmark_data/tpch_csv/nation.csv');
+create view nation_parquet as select * from read_parquet('duckdb_benchmark_data/tpch_parquet/nation.parquet');
+create view nation_native as select * from nation;
+
+create view orders_csv as select * from read_csv('duckdb_benchmark_data/tpch_csv/orders.csv');
+create view orders_parquet as select * from read_parquet('duckdb_benchmark_data/tpch_parquet/orders.parquet');
+create view orders_native as select * from orders;
+
+create view part_csv as select * from read_csv('duckdb_benchmark_data/tpch_csv/part.csv');
+create view part_parquet as select * from read_parquet('duckdb_benchmark_data/tpch_parquet/part.parquet');
+create view part_native as select * from part;
+
+create view partsupp_csv as select * from read_csv('duckdb_benchmark_data/tpch_csv/partsupp.csv');
+create view partsupp_parquet as select * from read_parquet('duckdb_benchmark_data/tpch_parquet/partsupp.parquet');
+create view partsupp_native as select * from partsupp;
+
+create view region_csv as select * from read_csv('duckdb_benchmark_data/tpch_csv/region.csv');
+create view region_parquet as select * from read_parquet('duckdb_benchmark_data/tpch_parquet/region.parquet');
+create view region_native as select * from region;
+
+create view supplier_csv as select * from read_csv('duckdb_benchmark_data/tpch_csv/supplier.csv');
+create view supplier_parquet as select * from read_parquet('duckdb_benchmark_data/tpch_parquet/supplier.parquet');
+create view supplier_native as select * from supplier;