@router.get("/", response_model=list[sh.PostResponse]) def ger_posts(): curr.execute(""" SELECT * FROM posts JOIN users ON users.id = posts.user_id """) posts = curr.fetchall() conn.commit() return posts class UserResponse(BaseModel): id: int email: EmailStr created_at: datetime class PostResponse(PostBase): id: int created_at: datetime user_id: int owner: UserResponse can you help me to solve the error. there i want it to return proper json where will be information about post and user (owner). for better understanding what i want to do, my friend used orm and added this to his database from python to get the exact same result i want: owner = relationship("user") but i don't use orm because i use psycopg2. is it possible to solve this problem effectively without orm, or am i better start using it soon? is it okay to work with psycopg2 with orm? how to solve this specific task? kind of result i need: [ { "title": "test 1", "content": "testing", "published": true, "id": 1, "created_at": "2025-03-01T10:09:55.174834+04:00", "user_id": 2, "owner":{ "id": 2, "email": testemail@gmail.com, "created_at": "some timestamp e.g 2025-03-01T10:09:55.174834+04:00" } } ] Continue reading...