leetcode: Add 0607

src/leetcode/0607.sales-person/.env

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+DATABASE_URL=postgres://leetcode:leetcode-password@localhost/leetcode

src/leetcode/0607.sales-person/.gitignore

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+/db

src/leetcode/0607.sales-person/Cargo.toml

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+[package]
+name = "lc-0607-sales-person"
+version = "0.1.0"
+edition = "2021"
+publish = false
+
+[dependencies]

src/leetcode/0607.sales-person/diesel.toml

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+# For documentation on how to configure this file,
+# see https://diesel.rs/guides/configuring-diesel-cli
+
+[print_schema]
+file = "src/schema.rs"
+custom_type_derives = ["diesel::query_builder::QueryId", "Clone"]
+
+[migrations_directory]
+dir = "/home/shaohua/dev/rust/TheAlgorithms/src/leetcode/0607.sales-person/migrations"

src/leetcode/0607.sales-person/docker-compose.yml

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+version: "3.0"
+services:
+  leetcode_db:
+    image: postgres:15.3
+    restart: always
+    ports:
+      - 127.0.0.1:5432:5432
+    environment:
+      POSTGRES_PASSWORD: leetcode-password
+      POSTGRES_USER: leetcode
+      POSTGRES_DB: leetcode
+    volumes:
+      - ./db:/var/lib/postgresql

src/leetcode/0607.sales-person/index.md

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+
+# 
+
+[问题描述](../problems/)

src/leetcode/0607.sales-person/migrations/00000000000000_diesel_initial_setup/down.sql

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+-- This file was automatically created by Diesel to setup helper functions
+-- and other internal bookkeeping. This file is safe to edit, any future
+-- changes will be added to existing projects as new migrations.
+
+DROP FUNCTION IF EXISTS diesel_manage_updated_at(_tbl regclass);
+DROP FUNCTION IF EXISTS diesel_set_updated_at();

src/leetcode/0607.sales-person/migrations/00000000000000_diesel_initial_setup/up.sql

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+-- This file was automatically created by Diesel to setup helper functions
+-- and other internal bookkeeping. This file is safe to edit, any future
+-- changes will be added to existing projects as new migrations.
+
+
+
+
+-- Sets up a trigger for the given table to automatically set a column called
+-- `updated_at` whenever the row is modified (unless `updated_at` was included
+-- in the modified columns)
+--
+-- # Example
+--
+-- ```sql
+-- CREATE TABLE users (id SERIAL PRIMARY KEY, updated_at TIMESTAMP NOT NULL DEFAULT NOW());
+--
+-- SELECT diesel_manage_updated_at('users');
+-- ```
+CREATE OR REPLACE FUNCTION diesel_manage_updated_at(_tbl regclass) RETURNS VOID AS $$
+BEGIN
+    EXECUTE format('CREATE TRIGGER set_updated_at BEFORE UPDATE ON %s
+                    FOR EACH ROW EXECUTE PROCEDURE diesel_set_updated_at()', _tbl);
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION diesel_set_updated_at() RETURNS trigger AS $$
+BEGIN
+    IF (
+        NEW IS DISTINCT FROM OLD AND
+        NEW.updated_at IS NOT DISTINCT FROM OLD.updated_at
+    ) THEN
+        NEW.updated_at := current_timestamp;
+    END IF;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;

src/leetcode/0607.sales-person/migrations/2024-06-01-032003_SalesPerson/down.sql

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+-- This file should undo anything in `up.sql`
+DROP TABLE SalesPerson;

src/leetcode/0607.sales-person/migrations/2024-06-01-032003_SalesPerson/up.sql

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+-- Your SQL goes here
+CREATE TABLE IF NOT EXISTS SalesPerson
+(
+	sales_id INTEGER PRIMARY KEY,
+	name VARCHAR(255) NOT NULL,
+	salary INTEGER NOT NULL,
+	commission_rate INTEGER,
+	hire_date DATE
+);
+
+INSERT INTO SalesPerson (sales_id, name, salary, commission_rate, hire_date) VALUES ('1', 'John', '100000', '6', '4/1/2006');
+INSERT INTO SalesPerson (sales_id, name, salary, commission_rate, hire_date) VALUES ('2', 'Amy', '12000', '5', '5/1/2010');
+INSERT INTO SalesPerson (sales_id, name, salary, commission_rate, hire_date) VALUES ('3', 'Mark', '65000', '12', '12/25/2008');
+INSERT INTO SalesPerson (sales_id, name, salary, commission_rate, hire_date) VALUES ('4', 'Pam', '25000', '25', '1/1/2005');
+INSERT INTO SalesPerson (sales_id, name, salary, commission_rate, hire_date) VALUES ('5', 'Alex', '5000', '10', '2/3/2007');

src/leetcode/0607.sales-person/migrations/2024-06-01-032301_Company/down.sql

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+-- This file should undo anything in `up.sql`
+DROP TABLE Company;

src/leetcode/0607.sales-person/migrations/2024-06-01-032301_Company/up.sql

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+-- Your SQL goes here
+CREATE TABLE IF NOT EXISTS Company
+(
+	com_id INTEGER PRIMARY KEY,
+	name VARCHAR(255) NOT NULL,
+	city VARCHAR(255)
+);
+
+INSERT INTO Company (com_id, name, city) VALUES ('1', 'RED', 'Boston');
+INSERT INTO Company (com_id, name, city) VALUES ('2', 'ORANGE', 'New York');
+INSERT INTO Company (com_id, name, city) VALUES ('3', 'YELLOW', 'Boston');
+INSERT INTO Company (com_id, name, city) VALUES ('4', 'GREEN', 'Austin');

src/leetcode/0607.sales-person/migrations/2024-06-01-032426_Orders/down.sql

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+-- This file should undo anything in `up.sql`
+DROP TABLE Orders;

src/leetcode/0607.sales-person/migrations/2024-06-01-032426_Orders/up.sql

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+-- Your SQL goes here
+CREATE TABLE IF NOT EXISTS Orders
+(
+	order_id INTEGER PRIMARY KEY,
+	order_date DATE NOT NULL DEFAULT CURRENT_DATE,
+	com_id INTEGER NOT NULL,
+	sales_id INTEGER NOT NULL,
+	amount INTEGER NOT NULL
+);
+
+INSERT INTO Orders (order_id, order_date, com_id, sales_id, amount) VALUES ('1', '1/1/2014', '3', '4', '10000');
+INSERT INTO Orders (order_id, order_date, com_id, sales_id, amount) VALUES ('2', '2/1/2014', '4', '5', '5000');
+INSERT INTO Orders (order_id, order_date, com_id, sales_id, amount) VALUES ('3', '3/1/2014', '1', '1', '50000');
+INSERT INTO Orders (order_id, order_date, com_id, sales_id, amount) VALUES ('4', '4/1/2014', '1', '4', '25000');

src/leetcode/0607.sales-person/query.sql

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+/*
+ * Copyright (c) 2024 Xu Shaohua <[email protected]>. All rights reserved.
+ * Use of this source is governed by General Public License that can be found
+ * in the LICENSE file.
+ */
+
+SELECT name
+FROM salesperson;
+
+SELECT name
+FROM salesperson
+WHERE sales_id NOT IN
+      (SELECT orders.sales_id
+       FROM orders
+                INNER JOIN company
+                           ON company.com_id = orders.com_id
+       WHERE company.name = 'RED');
+
+
+EXPLAIN
+SELECT name
+FROM salesperson
+WHERE sales_id NOT IN
+      (SELECT orders.sales_id
+       FROM orders
+                LEFT JOIN company
+                          ON company.com_id = orders.com_id
+       WHERE company.name = 'RED');

src/leetcode/0607.sales-person/src/main.rs

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+// Copyright (c) 2024 Xu Shaohua <[email protected]>. All rights reserved.
+// Use of this source is governed by General Public License that can be found
+// in the LICENSE file.
+
+fn main() {}

src/leetcode/0607.sales-person/src/schema.rs

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+// @generated automatically by Diesel CLI.
+
+diesel::table! {
+    company (com_id) {
+        com_id -> Int4,
+        #[max_length = 255]
+        name -> Varchar,
+        #[max_length = 255]
+        city -> Nullable<Varchar>,
+    }
+}
+
+diesel::table! {
+    orders (order_id) {
+        order_id -> Int4,
+        order_date -> Date,
+        com_id -> Int4,
+        sales_id -> Int4,
+        amount -> Int4,
+    }
+}
+
+diesel::table! {
+    salesperson (sales_id) {
+        sales_id -> Int4,
+        #[max_length = 255]
+        name -> Varchar,
+        salary -> Int4,
+        commission_rate -> Nullable<Int4>,
+        hire_date -> Nullable<Date>,
+    }
+}
+
+diesel::allow_tables_to_appear_in_same_query!(
+    company,
+    orders,
+    salesperson,
+);