I just wanna add that you can use a collectionProxy. Read about it in the "Advanced O/R" on the homepage of ojb. It will only use one query to materialize you collection of objects.
Regards Roland Carlsson ----- Original Message ----- From: "Jakob Braeuchi" <[EMAIL PROTECTED]> To: "OJB Users List" <[EMAIL PROTECTED]> Sent: Friday, September 26, 2003 5:47 PM Subject: Re: Question Proxy > hi joerg, > > well this works as designed. > if the class in non proxied the select immediately materializes the > fetched rows. > if the class is proxied only the identities are built and wrapped by a > proxy. the first time you access a method of the proxy it materializes > the real object resulting in a select with primary keys. > in your case the first sql is to select the primary keys (ojb always > select all rows not pk only) and the other 95 are for materialization. > > hth > jakob > > Joerg Lensing wrote: > > > Hi All, > > I compared the p6Spy-statements of proxied and non-proxied classes. > > The class (userPO) > > is 1) dynamic proxy and > > 2) no proxy > > > > I queried this class directly (s.b) > > Query query = new QueryByCriteria(UserPO.class, null); > > Collection result = broker.getCollectionByQuery(query); > > > > The "dynamic proxy" produces 96 select-statements - the non-proxy only > > ONE! > > Can someone explain me this? (see zip-File for the sql.log) > > > > tx joerg > > > > > >------------------------------------------------------------------------ > > > >--------------------------------------------------------------------- > >To unsubscribe, e-mail: [EMAIL PROTECTED] > >For additional commands, e-mail: [EMAIL PROTECTED] > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
