rdb-demo
Version:
ORM examples for npmjs.org/package/rdb
44 lines (36 loc) • 1.56 kB
JavaScript
let {createPatch} = require('rdb-client');
let rdb = require('rdb');
let resetDemo = require('./db/resetDemo');
let Order = rdb.table('_order');
let DeliveryAddress = rdb.table('_deliveryAddress');
Order.primaryColumn('oId').guid().as('id');
Order.column('oOrderNo').string().as('orderNo');
DeliveryAddress.primaryColumn('dId').guid().as('id');
DeliveryAddress.column('dOrderId').string().as('orderId');
DeliveryAddress.column('dName').string().as('name');
DeliveryAddress.column('dStreet').string().as('street');
let deliveryAddress_order_relation = DeliveryAddress.join(Order).by('dOrderId').as('order');
Order.hasOne(deliveryAddress_order_relation).as('deliveryAddress');
let db = rdb('postgres://rdb:rdb@localhost/rdbdemo');
module.exports = async function() {
try {
await resetDemo();
await db.transaction(async () => {
let filter = Order.id.eq('a0000000-a000-0000-0000-000000000000');
let original = await Order.getManyDto(filter);
let orders = JSON.parse(JSON.stringify(original));
orders[0].deliveryAddress = {
id: 'eeeeeeee-0000-0000-0000-000000000000',
orderId: 'a0000000-a000-0000-0000-000000000000',
name: 'Sgt. Pepper',
street: 'L18 Penny Lane'
};
let patch = createPatch(original, orders);
await Order.patch(patch);
orders = await Order.getManyDto(filter);
console.log(orders[0])
});
} catch (e) {
console.log(e.stack);
}
}();