小编Kar*_*vel的帖子

我有 Nestjs 应用程序，它使用 TypeORM 包与 Postgres SQL 交互。

我里面有以下代码，

import {Entity, PrimaryGeneratedColumn, Column, CreateDateColumn, UpdateDateColumn, Index} from 'typeorm';

@Entity()
export class User {
  @PrimaryGeneratedColumn()
  public id: number;

  @Index()
  @Column({nullable: true})
  public userId: number;

  @Index()
  @Column()
  public appId: string;

  @Column({nullable: true})
  public keyId: number;

}

import {Entity, PrimaryGeneratedColumn, Column, CreateDateColumn, UpdateDateColumn, Index} from 'typeorm';

@Entity()
export class Key {
  @PrimaryGeneratedColumn()
  public id: number;

  @Index()
  @Column()
  public userId: number;

  @Index()
  @Column()
  public key: string;

}

import {Injectable} from '@nestjs/common';
import {InjectRepository} from …