On Thu, 2002-12-05 at 04:13, Phil Warrick wrote: > Hi all, > > (Sorry for the double post, I should remember to proof-read my messages > _before_ hitting the send button...) > > I have the impression that OQL statements cannot use path expressions, > and even if they could, they would not be extent aware. For example, I > want to do the following kind of query on a class hierarchy: > > class A > protected String att1 > > class B extends A > protected String att2 > > select b from b in B where b.att1 = "somethingInteresting" > > One of Jakob's posts got my hopes up: > >http://archives.apache.org/eyebrowse/ReadMsg?[EMAIL PROTECTED]&msgId=525022 > but this doesn't seem to be valid OQL syntax for OJB (chokes on 'in'). > > Leandro's work seems to have added extent-aware path expressions to PB: > >http://archives.apache.org/eyebrowse/ReadMsg?[EMAIL PROTECTED]&msgId=528385 > I assume that the current OQL parser cannot take advantage of this? > > Can anyone comment on what would is needed to be done to the ODMG layer > to achieve this functionality? Is it on anyone's todo list?
I know nothing about the ODMG layer, but if you need help on the PB layer just let me know > > I assume that if the above isn't going to happen that I could achieve > what I want with the PB? > > Thanks, > > Phil > > > -- > To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> > > -- Leandro Rodrigo Saad Cruz IT - Inter Business Tecnologia e Servicos (IB) http://www.ibnetwork.com.br http://jakarta.apache.org/ojb -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
