rdb-demo/compositeKeys.js

ORM examples for npmjs.org/package/rdb

let rdb = require('rdb');
let resetDemo = require('./db/resetDemo');

let Order = rdb.table('_compositeOrder');
let OrderLine = rdb.table('_compositeOrderLine');

Order.primaryColumn('oCompanyId').numeric().as('companyId');
Order.primaryColumn('oOrderNo').numeric().as('orderNo');

OrderLine.primaryColumn('lCompanyId').numeric().as('companyId');
OrderLine.primaryColumn('lOrderNo').numeric().as('orderNo');
OrderLine.primaryColumn('lLineNo').numeric().as('lineNo');
OrderLine.column('lProduct').string().as('product');

let line_order_relation = OrderLine.join(Order).by('lCompanyId', 'lOrderNo').as('order');
Order.hasMany(line_order_relation).as('lines');

let db = rdb('postgres://rdb:rdb@localhost/rdbdemo');

module.exports = async function() {
    try {
        await resetDemo();
        await db.transaction(async () => {
            let companyId = 1;
            let orderId = 1001;
            let order = await Order.getById(companyId, orderId);
            console.log(await order.toDto());
        });
    } catch (e) {
        console.log(e.stack);
    }
}();