Relationships

Ryx supports the three classic database relationships.

What You'll Learn

• ForeignKey — Many-to-one relationships
• OneToOne — One-to-one relationships
• ManyToMany — Many-to-many with join tables
• select_related — Eager loading with JOINs
• prefetch_related — Eager loading with IN queries

Quick Overview

class Author(Model):
    name = CharField(max_length=100)

class Post(Model):
    title  = CharField(max_length=200)
    author = ForeignKey(Author, on_delete="CASCADE")  # Many-to-one

class Profile(Model):
    user   = OneToOneField(User)                      # One-to-one

class Tag(Model):
    name   = CharField(max_length=50)
    posts  = ManyToManyField(Post)                    # Many-to-many