Ramon, That's actually supported in a different way... through the use of batch-size.
Diego On Fri, Apr 9, 2010 at 06:30, Ramon Smits <[email protected]> wrote: > > I have found several resources for eager loading of associations > without using joins: > > 1 - > http://nhforge.org/blogs/nhibernate/archive/2008/09/06/eager-loading-aggregate-with-many-child-collections.aspx > 2 - > http://ayende.com/Blog/archive/2010/01/16/eagerly-loading-entity-associations-efficiently-with-nhibernate.aspx > 3 - > http://nhforge.org/blogs/nhibernate/archive/2008/09/06/lazy-loading-eager-loading.aspx > > The first two articles use HQL to do either a Future<T> > or .CreateMultiCriteria() and both have a very severe problem. They > still join with the "parent" which results in very large resultsets > and unneeded data that is transfered redundantly. > > The third article makes use of NHibernateUtil.Initialize(object) loads > the items but each .Initialize call results in a roundtrip to the > database. > > Would be nice if at lease .Initialize(object) supported an array of > arguments but it would be even nicer when the criteria API would have > such a feature. As the way Entify Framework has in its API although I > am not really fond of their SQL query which has several UNION ALL's as > can be seen in Ayende's post. > > > In short: > > I am now using NHibernateUtil.Initialize(object) after the query to > initialize all associations as fast as possible to make the > transaction as short as possible. There is currently no better > solution for cheap eager loading. > > -- > You received this message because you are subscribed to the Google Groups > "nhusers" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<nhusers%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/nhusers?hl=en. > > -- You received this message because you are subscribed to the Google Groups "nhusers" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/nhusers?hl=en.
