direction: right
# Edges
User <-> User: "spouse\nspouse" {
  # o2o optional
  source-arrowhead: {
    shape: cf-one-required
  }
  target-arrowhead: {
    shape: cf-one
  }
}
User <-> User: "children\nparent\nyo\nwhoa\nhey" {
  # o2m optional
  source-arrowhead: {
    shape: cf-one-required
  }
  target-arrowhead: {
    shape: cf-many
  }
}
User <-> Pet: "pets/owner" {
  # o2m optional
  source-arrowhead: {
    shape: cf-one-required
  }
  target-arrowhead: {
    shape: cf-many
  }
}
User <-> Card: "card/owner" {
  # o2o optional
  source-arrowhead: {
    shape: cf-one-required
  }
  target-arrowhead: {
    shape: cf-one
  }
}
User <-> Post: "posts/author" {
  # o2m optional
  source-arrowhead: {
    shape: cf-one-required
  }
  target-arrowhead: {
    shape: cf-many
  }
}
User <-> Metadata: "metadata/user" {
  # o2m optional
  source-arrowhead: {
    shape: cf-one-required
  }
  target-arrowhead: {
    shape: cf-many
  }
}
User <-> Info: "info/user" {
  # o2m optional
  source-arrowhead: {
    shape: cf-one-required
  }
  target-arrowhead: {
    shape: cf-many
  }
}

# Tables
Card: {
  shape: sql_table
  id: int {constraint: primary_key}
  owner_id: int {constraint: foreign_key}
}
Info: {
  shape: sql_table
  id: int {constraint: primary_key}
  content: json.RawMessage
}
Metadata: {
  shape: sql_table
  id: int {constraint: primary_key}
  age: int
}
Pet: {
  shape: sql_table
  id: int {constraint: primary_key}
  owner_id: int {constraint: foreign_key}
}
Post: {
  shape: sql_table
  id: int {constraint: primary_key}
  text: string
  author_id: int {constraint: foreign_key}
}
User: {
  shape: sql_table
  id: int {constraint: primary_key}
  parent_id: int {constraint: foreign_key}
  spouse_id: int {constraint: foreign_key}
}