db.AddError(committer.Rollback())
		}
	} else {
		db.AddError(ErrInvalidTransaction)
	}
	return db
}

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