System.out.println("received");
if (debug) {System.out.println("received");}
    private Object[] receiveSqlResponse(isc_db_handle_impl db,                                       XSQLDA xsqlda) throws GDSException {        try {            System.out.print("op_sql_response ");            if (readOperation(db) == op_sql_response) {                int messages = db.in.readInt();                System.out.println("received");                if (messages > 0) {                    return readSQLData(db, xsqlda);                }                else {                    return null;                }            } else {                System.out.println("not received");                throw new GDSException(isc_net_read_err);            }        } catch (IOException ex) {            ex.printStackTrace();            throw new GDSException(isc_net_read_err, ex.toString());        }    }