if (internalExecute(false)) {
if (internalExecute(isExecuteProcedureStatement)) {
    public int executeUpdate() throws  SQLException {        try        {            c.ensureInTransaction();            if (internalExecute(false)) {                throw new SQLException("update statement returned results!");            }            return getUpdateCount();        }        finally        {            c.checkEndTransaction();        } // end of finally    }