Hi, 1) Actually OJB provides automatic propagation of foreign keys only when there isn't set attribute 'proxy' to 'dynamic' in the class descriptor of class B. 2) I will think about improving documentation :)
pr -----Puvodni zprava----- Od: Thomas Mahler [mailto:[EMAIL PROTECTED]] Odeslano: 29. novembra 2002 1:34 Komu: OJB Users List Predmet: Re: 1:n aggregation problem Hi again, Peter Rajsky wrote: > Hi Thomas, > Thanks a lot [actually I could imagine better place where to inform > about such important thing than comparison of PB and ODMG API in > faq.html :)]. are you volunteering to improve the docs? all help is welcome! > I have probably similar problem. Don't you know if it is the same > problem? > > I have 1:n association between classes A and B. I do the following: > 1) I find one instance of A > 2) I find n instances of B > 3) I set collection of instances of class B to instance of A. > 4) I store instance of A. > > There are no updates on the table corresponding to class B (foreign > key should be changed!). > OJB provides automatic propagation of foreign keys. But it does only work if the foreign key attributes of the B instance are set to 0 or null. (This is done to avoid data corruption) If you are loading B instances that already have a FK filled with a non-zero or non-null value, you have to set the FK attributes explicitely! cheers, Thomas > Thanks a lot, pr. > > -----Puvodni zprava----- > Od: Thomas Mahler [mailto:[EMAIL PROTECTED]] > Odeslano: 29. novembra 2002 0:56 > Komu: OJB Users List > Predmet: Re: 1:n aggregation problem > > > Hi Peter, > > This is not a bug, but works as designed. You have to delete the address > explicitely. > Please refer to the faq.html (comparison of PB and ODMG API) for details. > > cheers, > Thomas > > Peter Rajsky wrote: > >>Hello, >>I have the following problem (I tried also new sources from CVS): >> >>I have 1:n aggregation between Company and Address. I do the following: >>1) I find one company >>1) I delete one address from the collection of aggregated addresses >>2) I store the company >>The problem is, that corresponding address record is not deleted from the >>database (I took a look at a log and there is was no DELETE statement). >> >>Inserting and updating addresses is working correctly. >> >>Don't you have any patch? Thanks a lot, pr >> >>-- >>To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> >>For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> >> >> >> >> > > > > -- > To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> > > > > -- > To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> > > > > -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
