Chapter 2: arrow functions

Chapter07/mysql-app/tasks.js

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+const mysql = require("mysql");
+require("dotenv").config();
+
+const db = mysql.createConnection({
+  user: process.env.DB_MYSQL_USER,
+  password: process.env.DB_MYSQL_PASSWORD,
+});
+
+db.query("CREATE DATABASE tasks");
+db.query("USE tasks");
+
+db.query(`
+CREATE TABLE tasks.tasks (
+id INT NOT NULL AUTO_INCREMENT, 
+task TEXT NOT NULL, PRIMARY KEY ( id ))
+`);
+
+const ignore = new Set(["ER_DB_CREATE_EXISTS", "ER_TABLE_EXISTS_ERROR"]);
+
+db.on("error", (err) => {
+  if (ignore.has(err.code)) return;
+  throw err;
+});
+
+db.query(`
+INSERT INTO tasks.tasks (task)
+VALUES ("Walk the dog."); 
+`);
+
+db.query(
+  `
+SELECT * FROM tasks.tasks;
+`,
+  (err, results, fields) => {
+    console.log(results);
+    db.end();
+  }
+);