I guess I still don't understand what you are trying to do and
offering solutions to non-existent problems :-)
From this example and without seeing your DataMap, I second what
Cris said in his message in the parallel thread - you should use
relationship names as expression paths and related DataObjects as
parameters. Directly matching on PK/FK while possible, is rarely needed.
Andrus
On Feb 7, 2006, at 11:54 AM, Dave Merrin wrote:
> Hi Andrus,
>
> How does your function help me create an expression using several
> primary
> keys?
>
> Expression exp1 = ExpressionFactory.matchExp
> (ItemType.ITEM_TYPE_ID_PK, 1);
> Expression exp2 =
> ExpressionFactory.matchExp(ItemProperty.ITEM_PROPERTY_ID_PK, 2);
> Expression exp = exp1.andExp(exp2);
>
> SelectQuery query = new SelectQuery(Item.class, exp);
> List<Item> list = dataContext.performQuery(query);
>
> The above won't work unless I map an ObjEntity to the DbEntity for the
> primary key.
>
> Dave
>
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