List the Products Ordered in a Period — LeetCode 1327 Python Solution
EasyDatabase
- Problem
- #1327
- Reading time
- 3 min
- Source
- leetcode.com
Table schema
SQL
Table: Products +------------------+---------+ | Column Name | Type | +------------------+---------+ | product_id | int | | product_name | varchar | | product_category | varchar | +------------------+---------+ product_id is the primary key (column with unique values) for this table. This table contains data about the company's products.Example
SQL
+------------------+---------+
| Column Name | Type |
+------------------+---------+
| product_id | int |
| product_name | varchar |
| product_category | varchar |
+------------------+---------+
product_id is the primary key (column with unique values) for this table.
This table contains data about the company's products.Python solution
Python
import duckdb
import pandas as pd
def solution(products: pd.DataFrame, orders: pd.DataFrame) -> pd.DataFrame:
con = duckdb.connect()
con.register("Products", products)
con.register("Orders", orders)
return con.execute("""SELECT product_name, SUM(unit) AS unit
FROM
Orders AS o
JOIN Products AS p ON o.product_id = p.product_id
WHERE DATE_FORMAT(order_date, '%Y-%m') = '2020-02'
GROUP BY o.product_id
HAVING unit >= 100;""").df()Complexity
| Measure | Complexity |
|---|---|
| Time | O(n log n) (typical) |
| Space | O(n) auxiliary |
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