examples

type Album struct {
	SingerID string             `spanner:"SingerId" pk:"1"`
	AlbumID  int64              `spanner:"AlbumId"`
	Title    spanner.NullString `spanner:"Title"`
}

type Singer struct {
	// spnr supports 2 types of tags.
	// - spanner: spanner column name
	// - pk: primary key order
	SingerID string `spanner:"SingerId" pk:"1"`
	Name     string `spanner:"Name"`
}

type SingerStore struct {
	spnr.DML // use spnr.Mutation for mutation API
}