CDOView view = CDOServerUtil.openView(session,
		session.getManager().getRepository()
				.getBranchManager().getMainBranch()
				.getPoint(System.currentTimeMillis()),
		false);

java.lang.UnsupportedOperationException
	at org.eclipse.emf.cdo.internal.server.ServerCDOView$ServerCDOSession.getSessionProtocol(ServerCDOView.java:358)
	at org.eclipse.emf.internal.cdo.query.CDOQueryImpl.getResult(CDOQueryImpl.java:86)
	at org.eclipse.emf.internal.cdo.query.CDOQueryImpl.getResult(CDOQueryImpl.java:92)
...

CDOQuery q = view
		.createQuery("sql", "select 1+1 from dual");
q.setParameter("cdoObjectQuery", Boolean.FALSE);
Object result = q.getResult();

	@SuppressWarnings("restriction")
	public boolean checkObjectReadAccessJDBC(ISession session,
			CDORevision revision) {
		DBStore store = (DBStore) session.getManager().getRepository()
				.getStore();
		Connection c = store.getConnection();

		String userId = session.getUserID();
		String type = "object";
		String instance = revision.getID().toString();
		String permission = "'READ'";
		String query = "select 'true' from User0 u "
				+ " inner join Grant0 g on g.cdo_container = u.cdo_id "
				+ " inner join Permission p on g.permission = p.cdo_id"
				+ " where u.name=:USER_ID and instr(g.permissions, :PERMISSION)>0 "
				+ " and p.type = :TYPE and p.instance = :INSTANCE";

		PreparedStatement ps = null;
		ResultSet rs = null;

		try {
			ps = c.prepareStatement(query);
			ps.setString(1, userId);
			ps.setString(2, permission);
			ps.setString(3, type);
			ps.setString(4, instance);
			rs = ps.executeQuery();

			if (rs.next()) {
				String ok = rs.getString(1);
				return "true".equals(ok);
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				if (rs != null) {
					rs.close();
				}
			} catch (Exception e) {
				;
			}

			try {
				if (ps != null) {
					ps.close();
				}
			} catch (Exception e) {
				;
			}
		}

		return false;
	}