implemented scanner, valuer interfaces

sql.go

@@ -0,0 +1,26 @@
+package versioning
+
+import (
+	"database/sql/driver"
+
+	"github.com/pkg/errors"
+)
+
+func (v *Version) Scan(value interface{}) error {
+	switch code := value.(type) {
+	case int64:
+		parsed, err := ParseFromCode(uint32(code))
+		if err != nil {
+			return err
+		}
+
+		*v = parsed
+		return nil
+	default:
+		return errors.Errorf("incompatible version code type - %T", value)
+	}
+}
+
+func (v Version) Value() (driver.Value, error) {
+	return int64(v.Code()), nil
+}