List the Products Ordered in a Period — LeetCode 1327 Python Solution

EasyDatabase
Problem
#1327
Reading time
3 min

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

MeasureComplexity
TimeO(n log n) (typical)
SpaceO(n) auxiliary

Related problems

Frequently asked questions

How hard is LeetCode 1327. List the Products Ordered in a Period?
LeetCode 1327. List the Products Ordered in a Period is rated Easy on LeetCode.
What topics does LeetCode 1327. List the Products Ordered in a Period cover?
LeetCode 1327. List the Products Ordered in a Period is tagged Database on LeetCode.

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