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import polars as pl
from polars_queries import utils
Q_NUM = 13
def q():
var_1 = "special"
var_2 = "requests"
customer_ds = utils.get_customer_ds()
orders_ds = utils.get_orders_ds().filter(
pl.col("o_comment").str.contains(f"{var_1}.*{var_2}").not_()
)
q_final = (
customer_ds.join(
orders_ds, left_on="c_custkey", right_on="o_custkey", how="left"
)
.group_by("c_custkey")
.agg(
[
pl.col("o_orderkey").count().alias("c_count"),
pl.col("o_orderkey").null_count().alias("null_c_count"),
]
)
.with_columns((pl.col("c_count") - pl.col("null_c_count")).alias("c_count"))
.group_by("c_count")
.count()
.select([pl.col("c_count"), pl.col("count").alias("custdist")])
.sort(["custdist", "c_count"], descending=[True, True])
)
utils.run_query(Q_NUM, q_final)
if __name__ == "__main__":
q()
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