diff --git a/dialect.go b/dialect.go
index f17cf784..3291d069 100644
--- a/dialect.go
+++ b/dialect.go
@@ -29,6 +29,7 @@ type Dialect interface {
 	DB() *DB
 	DBType() DbType
 	SqlType(*Column) string
+	FormatBytes(b []byte) string
 
 	QuoteStr() string
 	AndStr() string
@@ -90,6 +91,10 @@ func (b *Base) DBType() DbType {
 	return b.Uri.DbType
 }
 
+func (b *Base) FormatBytes(bs []byte) string {
+	return fmt.Sprintf("0x%x", bs)
+}
+
 func (b *Base) DriverName() string {
 	return b.driverName
 }