| from modin_queries import utils |
|
|
| Q_NUM = 2 |
|
|
|
|
| def q(): |
| var1 = 15 |
| var2 = "BRASS" |
| var3 = "EUROPE" |
|
|
| region_ds = utils.get_region_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 |
|
|
| |
| region_ds() |
| nation_ds() |
| supplier_ds() |
| part_ds() |
| part_supp_ds() |
|
|
| def query(): |
| nonlocal region_ds |
| nonlocal nation_ds |
| nonlocal supplier_ds |
| nonlocal part_ds |
| nonlocal part_supp_ds |
| region_ds = region_ds() |
| nation_ds = nation_ds() |
| supplier_ds = supplier_ds() |
| part_ds = part_ds() |
| part_supp_ds = part_supp_ds() |
|
|
| nation_filtered = nation_ds.loc[:, ["n_nationkey", "n_name", "n_regionkey"]] |
| region_filtered = region_ds[(region_ds["r_name"] == var3)] |
| region_filtered = region_filtered.loc[:, ["r_regionkey"]] |
| r_n_merged = nation_filtered.merge( |
| region_filtered, left_on="n_regionkey", right_on="r_regionkey", how="inner" |
| ) |
| r_n_merged = r_n_merged.loc[:, ["n_nationkey", "n_name"]] |
| supplier_filtered = supplier_ds.loc[ |
| :, |
| [ |
| "s_suppkey", |
| "s_name", |
| "s_address", |
| "s_nationkey", |
| "s_phone", |
| "s_acctbal", |
| "s_comment", |
| ], |
| ] |
| s_r_n_merged = r_n_merged.merge( |
| supplier_filtered, |
| left_on="n_nationkey", |
| right_on="s_nationkey", |
| how="inner", |
| ) |
| s_r_n_merged = s_r_n_merged.loc[ |
| :, |
| [ |
| "n_name", |
| "s_suppkey", |
| "s_name", |
| "s_address", |
| "s_phone", |
| "s_acctbal", |
| "s_comment", |
| ], |
| ] |
| partsupp_filtered = part_supp_ds.loc[ |
| :, ["ps_partkey", "ps_suppkey", "ps_supplycost"] |
| ] |
| ps_s_r_n_merged = s_r_n_merged.merge( |
| partsupp_filtered, left_on="s_suppkey", right_on="ps_suppkey", how="inner" |
| ) |
| ps_s_r_n_merged = ps_s_r_n_merged.loc[ |
| :, |
| [ |
| "n_name", |
| "s_name", |
| "s_address", |
| "s_phone", |
| "s_acctbal", |
| "s_comment", |
| "ps_partkey", |
| "ps_supplycost", |
| ], |
| ] |
| part_filtered = part_ds.loc[:, ["p_partkey", "p_mfgr", "p_size", "p_type"]] |
| part_filtered = part_filtered[ |
| (part_filtered["p_size"] == var1) |
| & (part_filtered["p_type"].str.endswith(var2)) |
| ] |
| part_filtered = part_filtered.loc[:, ["p_partkey", "p_mfgr"]] |
| merged_df = part_filtered.merge( |
| ps_s_r_n_merged, left_on="p_partkey", right_on="ps_partkey", how="inner" |
| ) |
| merged_df = merged_df.loc[ |
| :, |
| [ |
| "n_name", |
| "s_name", |
| "s_address", |
| "s_phone", |
| "s_acctbal", |
| "s_comment", |
| "ps_supplycost", |
| "p_partkey", |
| "p_mfgr", |
| ], |
| ] |
| min_values = merged_df.groupby("p_partkey", as_index=False)[ |
| "ps_supplycost" |
| ].min() |
| min_values.columns = ["P_PARTKEY_CPY", "MIN_SUPPLYCOST"] |
| merged_df = merged_df.merge( |
| min_values, |
| left_on=["p_partkey", "ps_supplycost"], |
| right_on=["P_PARTKEY_CPY", "MIN_SUPPLYCOST"], |
| how="inner", |
| ) |
| result_df = merged_df.loc[ |
| :, |
| [ |
| "s_acctbal", |
| "s_name", |
| "n_name", |
| "p_partkey", |
| "p_mfgr", |
| "s_address", |
| "s_phone", |
| "s_comment", |
| ], |
| ] |
| result_df = result_df.sort_values( |
| by=[ |
| "s_acctbal", |
| "n_name", |
| "s_name", |
| "p_partkey", |
| ], |
| ascending=[ |
| False, |
| True, |
| True, |
| True, |
| ], |
| )[:100] |
|
|
| return result_df |
|
|
| utils.run_query(Q_NUM, query) |
|
|
|
|
| if __name__ == "__main__": |
| q() |
|
|
