many to many typeorm load only id code example
Example 1: many to many typeorm load only id
import {Entity, PrimaryGeneratedColumn, Column, ManyToMany, JoinTable} from "typeorm";
import {Category} from "./Category";
@Entity()
export class Question {
@PrimaryGeneratedColumn()
id: number;
@Column()
title: string;
@Column()
text: string;
@ManyToMany(() => Category)
@JoinTable()
categories: Category[];
}
Example 2: many to many typeorm load only id
+-------------+--------------+----------------------------+
| category |
+-------------+--------------+----------------------------+
| id | int(11) | PRIMARY KEY AUTO_INCREMENT |
| name | varchar(255) | |
+-------------+--------------+----------------------------+
+-------------+--------------+----------------------------+
| question |
+-------------+--------------+----------------------------+
| id | int(11) | PRIMARY KEY AUTO_INCREMENT |
| title | varchar(255) | |
| text | varchar(255) | |
+-------------+--------------+----------------------------+
+-------------+--------------+----------------------------+
| question_categories_category |
+-------------+--------------+----------------------------+
| questionId | int(11) | PRIMARY KEY FOREIGN KEY |
| categoryId | int(11) | PRIMARY KEY FOREIGN KEY |
+-------------+--------------+----------------------------+
Example 3: many to many typeorm load only id
import {Entity, PrimaryGeneratedColumn, Column} from "typeorm";
@Entity()
export class Category {
@PrimaryGeneratedColumn()
id: number;
@Column()
name: string;
}