the join isn't the point, the fetch mode sub select was my main point (similar to the fetch="subselect" option in the hbm)
On Tue, Aug 31, 2010 at 3:28 AM, Diego Mijelshon <[email protected]>wrote: > "the answer is always - fetch mode join the many-to-one associations, and > then issue a seperate query for each association" > > I strongly disagree. Fetch join might be a good option in some cases, but > caching + batch-size are usually better. > > Diego > > > On Mon, Aug 30, 2010 at 16:49, nadav s <[email protected]> wrote: > >> a lot of time people are asking how they should efficiently query a whole >> object graph with NHibernate. >> the answer is always - fetch mode join the many-to-one associations, and >> then issue a seperate query for each association >> >> i think, by implementing a FetchMode.SubSelect that can be set for a >> specific association in a specific query/criteria on the root entity, it >> could be done very easily (querying the whole graph will be easy, not >> neccessarily implementing the new fetch mode). the fetch="subselect" idea >> is available in the mappings only (and isn't that efficient) and not for a >> specific hql\linq\criteria query but for the mapings of the entity, and >> cannot be overriden with regular lazy loading. >> >> in theory, everything nhibernate needs to do that is available. >> >> i've opened a JIRA: >> >> *NH-2316 <http://216.121.112.228/browse/NH-2316>* >> >> i'll be happy to hear your inputs on the idea >> >> -- >> 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]<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.
