//
// Copyright (C) 2002-2004 Red Hat Inc. All Rights Reserved.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation; either version 2.1 of
// the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// $Id: QueryTest.pdl 287 2005-02-22 00:29:02Z sskracic $
// $DateTime: 2004/08/16 18:10:38 $
model oql;

object type Sup {
    BigInteger[1..1] id = sup.sup_id INTEGER;
    String supAttribute = sup.sup_attribute VARCHAR(200);

    object key (id);
}

object type Sub extends Sup {
    String subAttribute = sub.sub_attribute VARCHAR(200);
    Ref[1..1] required = join sub.required_id to refs.ref_id;
    Ref[0..1] optional = join sub.optional_id to refs.ref_id;

    reference key (sub.sub_id);
}

association {
    Sub[1..1] sub = join comps.sub_id to sub.sub_id;
    Comp[0..n] comps = join sub.sub_id to comps.sub_id;
}

object type Comp {
    BigInteger[1..1] id = comps.comp_id INTEGER;
    String compAttribute = comps.comp_attribute VARCHAR(200);

    object key (id);
}

object type Ref {
    BigInteger[1..1] id = refs.ref_id INTEGER;
    String refAttribute = refs.ref_attribute VARCHAR(200);

    object key (id);
}