relation.References = append(relation.References, &Reference{
					PrimaryKey: rf,
					ForeignKey: f,
				})
			}
		}
	}
}

type guessLevel int

const (
	guessGuess guessLevel = iota
	guessBelongs
	guessEmbeddedBelongs
	guessHas
	guessEmbeddedHas
)

func (schema *Schema) guessRelation(relation *Relationship, field *Field, cgl guessLevel) {
	var (