db.Statement.ConnPool = preparedStmtTx
		}
	} else {
		db.AddError(ErrUnsupportedDriver)
	}
	return db
}

func (db *DB) RollbackTo(name string) *DB {
	if savePointer, ok := db.Dialector.(SavePointerDialectorInterface); ok {
		// close prepared statement, because RollbackTo not support prepared statement.
		// e.g. mysql8.0 doc: https://dev.mysql.com/doc/refman/8.0/en/sql-prepared-statements.html
		var (

	user1 := *GetUser("transaction-save-point-1", Config{})
	tx.Create(&user1)

	if err := tx.First(&User{}, "name = ?", user1.Name).Error; err != nil {
		t.Fatalf("Should find saved record")
	}

	if err := tx.RollbackTo("save_point1").Error; err != nil {
		t.Fatalf("Failed to save point, got error %v", err)
	}

	if err := tx.First(&User{}, "name = ?", user1.Name).Error; err == nil {
		t.Fatalf("Should not find rollbacked record")