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import polars as pl
from polars_queries import utils
Q_NUM = 19
def q():
line_item_ds = utils.get_line_item_ds()
part_ds = utils.get_part_ds()
q_final = (
part_ds.join(line_item_ds, left_on="p_partkey", right_on="l_partkey")
.filter(pl.col("l_shipmode").is_in(["AIR", "AIR REG"]))
.filter(pl.col("l_shipinstruct") == "DELIVER IN PERSON")
.filter(
(
(pl.col("p_brand") == "Brand#12")
& pl.col("p_container").is_in(
["SM CASE", "SM BOX", "SM PACK", "SM PKG"]
)
& (pl.col("l_quantity").is_between(1, 11))
& (pl.col("p_size").is_between(1, 5))
)
| (
(pl.col("p_brand") == "Brand#23")
& pl.col("p_container").is_in(
["MED BAG", "MED BOX", "MED PKG", "MED PACK"]
)
& (pl.col("l_quantity").is_between(10, 20))
& (pl.col("p_size").is_between(1, 10))
)
| (
(pl.col("p_brand") == "Brand#34")
& pl.col("p_container").is_in(
["LG CASE", "LG BOX", "LG PACK", "LG PKG"]
)
& (pl.col("l_quantity").is_between(20, 30))
& (pl.col("p_size").is_between(1, 15))
)
)
.select(
(pl.col("l_extendedprice") * (1 - pl.col("l_discount")))
.sum()
.round(2)
.alias("revenue")
)
)
utils.run_query(Q_NUM, q_final)
if __name__ == "__main__":
q()
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