Example of getting raw data from rows with many-to-many associations

test.js

const Sequelize = require('sequelize')

const username = "user"
const password = "pass"
const dialect = 'sqlite'

const sequelize = new Sequelize('test', username, password, {
    dialect,
    pool: {
        max: 5,
        min: 0,
        idle: 10000
    },
});

let clients = {
    id: {
        type: Sequelize.INTEGER,
        primaryKey: true,
        autoIncrement: true
    },
    login: {
        type: Sequelize.STRING(20),
        unique: true,
        allowNull: false,
    },
    password: {
        type: Sequelize.STRING(20),
        allowNull: false
    },
    name: {
        type: Sequelize.TEXT,
        allowNull: false
    },
    address: {
        type: Sequelize.TEXT,
        allowNull: false
    },
    email: {
        type: Sequelize.TEXT,
        allowNull: false,
        validate: {
            isEmail: true
        }
    },
    materials_version: Sequelize.INTEGER,
    prices_version: Sequelize.INTEGER
}

let orders ={
    number: {
        type: Sequelize.INTEGER,
        primaryKey: true,
        autoIncrement: true
    },
    text: Sequelize.TEXT
}

clients = sequelize.define('clients', clients)
orders = sequelize.define('orders', orders)

let order = {
    text: "I want something"
}

let client = {
    login: "Client1",
    password: "Password1",
    name: "Client's name",
    address: "Client's address",
    email: "client@mail.com",
    materials_version: 1,
    prices_version: 2
}

let client2 = {
    login: "Client2",
    password: "Password2",
    name: "Client's name2",
    address: "Client's address2",
    email: "client2@mail.com",
    materials_version: 1,
    prices_version: 2
}
async function do_stuff() {
    const find_all_opts = {
        raw: true,
        attributes: {
            exclude: ['createdAt', 'updatedAt']
        }
    }

    await orders.belongsToMany(clients, {through: "OrdersClients"})
    await clients.belongsToMany(orders, {through: "ClientsOrders"})

    await sequelize.sync()
    order = await orders.create(order)
    client = await clients.create(client)
    client2 = await clients.create(client2)

    await client.setOrders([order])
    await client2.setOrders([order])
    result = await clients.findAll(find_all_opts)
    console.log(result)
}

do_stuff()