File size: 1,195 Bytes
2eae90c |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 |
from datetime import datetime
import polars as pl
from polars_queries import utils
Q_NUM = 1
def q():
var_1 = datetime(1998, 9, 2)
q = utils.get_line_item_ds()
q_final = (
q.filter(pl.col("l_shipdate") <= var_1)
.group_by(["l_returnflag", "l_linestatus"])
.agg(
[
pl.sum("l_quantity").alias("sum_qty"),
pl.sum("l_extendedprice").alias("sum_base_price"),
(pl.col("l_extendedprice") * (1 - pl.col("l_discount")))
.sum()
.alias("sum_disc_price"),
(
pl.col("l_extendedprice")
* (1.0 - pl.col("l_discount"))
* (1.0 + pl.col("l_tax"))
)
.sum()
.alias("sum_charge"),
pl.mean("l_quantity").alias("avg_qty"),
pl.mean("l_extendedprice").alias("avg_price"),
pl.mean("l_discount").alias("avg_disc"),
pl.count().alias("count_order"),
],
)
.sort(["l_returnflag", "l_linestatus"])
)
utils.run_query(Q_NUM, q_final)
if __name__ == "__main__":
q()
|