Nestjs, Transactions, Dependency Injection, Repository Pattern, Repository Design Pattern.
Product, (product) => product.items) product: Product; } // orders.entity.ts import { Column, Entity, OneToMany, PrimaryGeneratedColumn } from 'typeorm'; import { Item } from '../items/items.entity'; @Entity() export class Order { @PrimaryGeneratedColumn() id: number; @Column() orderNo: string;