this is a simple training lib which copy from: https://github.com/tb01923/koa-mysql-session and update to use async / await

example:

1const 
2    Koa = require('koa'),
3    session = require('koa-session')
4    MysqlStore = require('koa2-mysql-session'),
5    app = new Koa()
6    
7mysqlConfig = {
8    host: 'localhost',
9    user: 'root',
10    password: '123456',
11    database: 'demo'
12}
13
14app.use(session({store: new MysqlStore(mysqlConfig)}, app))