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import duckdb
from duckdb_queries import utils
Q_NUM = 7
def q():
nation_ds = utils.get_nation_ds()
customer_ds = utils.get_customer_ds()
line_item_ds = utils.get_line_item_ds()
orders_ds = utils.get_orders_ds()
supplier_ds = utils.get_supplier_ds()
query_str = f"""
select
supp_nation,
cust_nation,
l_year,
sum(volume) as revenue
from
(
select
n1.n_name as supp_nation,
n2.n_name as cust_nation,
year(l_shipdate) as l_year,
l_extendedprice * (1 - l_discount) as volume
from
{supplier_ds},
{line_item_ds},
{orders_ds},
{customer_ds},
{nation_ds} n1,
{nation_ds} n2
where
s_suppkey = l_suppkey
and o_orderkey = l_orderkey
and c_custkey = o_custkey
and s_nationkey = n1.n_nationkey
and c_nationkey = n2.n_nationkey
and (
(n1.n_name = 'FRANCE' and n2.n_name = 'GERMANY')
or (n1.n_name = 'GERMANY' and n2.n_name = 'FRANCE')
)
and l_shipdate between timestamp '1995-01-01' and timestamp '1996-12-31'
) as shipping
group by
supp_nation,
cust_nation,
l_year
order by
supp_nation,
cust_nation,
l_year
"""
q_final = duckdb.sql(query_str)
utils.run_query(Q_NUM, q_final)
if __name__ == "__main__":
q()
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