numeric uuids

main.go

@@ -206,7 +206,7 @@ func CloneForColumn[T any](db *sql.DB, table, column string, from, to T, fixed m
 
 		values := []any{}
 		for _ = range uuidGenColumns {
-			values = append(values, fmt.Sprintf("'%s'", strings.ToUpper(uuid.New().String())))
+			values = append(values, fmt.Sprintf("'%s'", guid()))
 		}
 		for _, arg := range args {
 			values = append(values, *(arg.(*any)))
@@ -243,7 +243,7 @@ func CloneForColumn[T any](db *sql.DB, table, column string, from, to T, fixed m
 			func() string {
 				uuids := make([]string, len(uuidGenColumns))
 				for i := range uuids {
-					uuids[i] = fmt.Sprintf("'%s'", strings.ToUpper(uuid.New().String()))
+					uuids[i] = fmt.Sprintf("'%s'", guid())
 				}
 				s := strings.Join(uuids, ", ")
 				if len(uuids) > 0 {
@@ -399,6 +399,12 @@ func Select[T any](db *sql.DB, q string, args ...any) ([]T, error) {
 	return results, rows.Err()
 }
 
-guid() string {
-
+func guid() string {
+	s := []byte(uuid.New().String())
+	for i := range s {
+		if 'A' <= s[i] && s[i] <= 'Z' {
+			s[i] = '0' + byte(int(s[i])%10)
+		}
+	}
+	return strings.ToUpper(string(s))
 }