invalidateSavepoints();
    public synchronized void rollback() throws SQLException {//        if (getAutoCommit() && ((AbstractGDS)getInternalAPIHandler()).getType() != GDSType.ORACLE_MODE)//            throw new FBSQLException("Rollback called with AutoCommit true!");        if (isClosed())            throw new FBSQLException(                "You cannot rollback closed connection.",                FBSQLException.SQL_STATE_CONNECTION_CLOSED);        txCoordinator.rollback();    }