fix Scanner implementation

sql.go

@@ -2,23 +2,36 @@ package versioning
 
 import (
 	"database/sql/driver"
+	"strconv"
 
 	"github.com/pkg/errors"
 )
 
 func (v *Version) Scan(value interface{}) error {
-	switch code := value.(type) {
+	var code uint32
-	case int64:
+
-		parsed, err := ParseFromCode(uint32(code))
+	switch val := value.(type) {
-		if err != nil {
+	case []byte:
-			return err
+		c, err := strconv.ParseUint(string(val), 10, 32)
-		}
+		if err != nil {
+			return errors.WithStack(err)
+		}
+		code = uint32(c)
+
+	case int64:
+		code = uint32(val)
 
-		*v = parsed
-		return nil
 	default:
 		return errors.Errorf("incompatible version code type - %T", value)
 	}
+
+	parsed, err := ParseFromCode(code)
+	if err != nil {
+		return err
+	}
+
+	*v = parsed
+	return nil
 }
 
 func (v Version) Value() (driver.Value, error) {