duckdb_queries/q20.py

import duckdb

from duckdb_queries import utils

Q_NUM = 20


def q():
    line_item_ds = utils.get_line_item_ds()
    nation_ds = utils.get_nation_ds()
    supplier_ds = utils.get_supplier_ds()
    part_ds = utils.get_part_ds()
    part_supp_ds = utils.get_part_supp_ds()

    query_str = f"""
    select
        s_name,
        trim(s_address) as s_address
    from
        {supplier_ds},
        {nation_ds}
    where
        s_suppkey in (
            select
                ps_suppkey
            from
                {part_supp_ds}
            where
                ps_partkey in (
                    select
                        p_partkey
                    from
                        {part_ds}
                    where
                        p_name like 'forest%'
                )
                and ps_availqty > (
                    select
                        0.5 * sum(l_quantity)
                    from
                        {line_item_ds}
                    where
                        l_partkey = ps_partkey
                        and l_suppkey = ps_suppkey
                        and l_shipdate >= date '1994-01-01'
                        and l_shipdate < date '1994-01-01' + interval '1' year
                )
        )
        and s_nationkey = n_nationkey
        and n_name = 'CANADA'
    order by
        s_name
	"""

    q_final = duckdb.sql(query_str)

    utils.run_query(Q_NUM, q_final)


if __name__ == "__main__":
    q()