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import polars as pl
from polars_queries import utils
Q_NUM = 11
def q():
supplier_ds = utils.get_supplier_ds()
part_supp_ds = utils.get_part_supp_ds()
nation_ds = utils.get_nation_ds()
var_1 = "GERMANY"
var_2 = 0.0001
res_1 = (
part_supp_ds.join(supplier_ds, left_on="ps_suppkey", right_on="s_suppkey")
.join(nation_ds, left_on="s_nationkey", right_on="n_nationkey")
.filter(pl.col("n_name") == var_1)
)
res_2 = res_1.select(
(pl.col("ps_supplycost") * pl.col("ps_availqty")).sum().round(2).alias("tmp")
* var_2
).with_columns(pl.lit(1).alias("lit"))
q_final = (
res_1.group_by("ps_partkey")
.agg(
(pl.col("ps_supplycost") * pl.col("ps_availqty"))
.sum()
.round(2)
.alias("value")
)
.with_columns(pl.lit(1).alias("lit"))
.join(res_2, on="lit")
.filter(pl.col("value") > pl.col("tmp"))
.select(["ps_partkey", "value"])
.sort("value", descending=True)
)
utils.run_query(Q_NUM, q_final)
if __name__ == "__main__":
q()
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