edge

type Annotation struct {
	// The StructTag option allows overriding the struct-tag
	// of the `Edges` field in the generated entity. For example:
	//
	//	edge.Annotation{
	//		StructTag: `json: "pet_edges"`
	//	}
	//
	StructTag string
}

type Descriptor struct {
	Tag         string              // struct tag.
	Type        string              // edge type.
	Name        string              // edge name.
	RefName     string              // ref name; inverse only.
	Ref         *Descriptor         // edge reference; to/from of the same type.
	Unique      bool                // unique edge.
	Inverse     bool                // inverse edge.
	Required    bool                // required on creation.
	StorageKey  *StorageKey         // optional storage-key configuration.
	Annotations []schema.Annotation // edge annotations.
}

type StorageKey struct {
	Table   string   // Table or label.
	Columns []string // Foreign-key columns.
}

type StorageOption func(*StorageKey)