getMetaData().getTables() behaviour with JDBC3 8.3 & 8.4 drivers on windows

The PostgreSQL driver appears to be causing some unexpected behaviour for the OpenNMS installer on Windows.

In the following code snippet, the table row set returned includes TABLEs, SEQUENCEs, and INDEXes. Shouldn't getTables
befiltering out and returning only tables and views?
 

    public void databaseSetUser() throws SQLException {
        Connection adminConn = getAdminConnection();
        ResultSet rs = adminConn.getMetaData().getTables(null, "public", "%", null);
        HashSet<String> objects = new HashSet<String>();
        while (rs.next()) {
            m_out.println(rs.getString("TABLE_NAME")+" "+ rs.getString("TABLE_TYPE") +" "+ rs.getString("REMARKS"));
            objects.add(rs.getString("TABLE_NAME"));
        }
        PreparedStatement st = getAdminConnection().prepareStatement("ALTER TABLE ? OWNER TO ?");
        for (String objName : objects) {
            st.setString(1, objName);
            st.setString(2, m_user);
            m_out.println("Would perform ALTER TABLE " + objName + " OWNER TO " + m_user );
            /* st.execute(); */
        }
        st.close();
    }

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