Depending on too many factors. What is the isolation level? What is the concurrency behavior you specified?
On Wed, Sep 24, 2008 at 3:44 PM, N. D. <[EMAIL PROTECTED]> wrote: > Sorry i will try to reformulate > say you've started a transaction and someone modifies the DB, will it > overwrite or exception? > > > > On Wed, Sep 24, 2008 at 3:41 PM, Ayende Rahien <[EMAIL PROTECTED]> wrote: > >> Not following. What do you mean doesn't matter? The transaction setting? >> Because NHibernate doesn't have different behavior based on that. >> >> >> On Wed, Sep 24, 2008 at 3:36 PM, ndotan <[EMAIL PROTECTED]> wrote: >> >>> >>> thanks for the very quick answer ayende >>> can you elaborate why the model doesnt matter? >>> >>> >>> On Sep 24, 3:33 pm, "Ayende Rahien" <[EMAIL PROTECTED]> wrote: >>> > On Wed, Sep 24, 2008 at 3:27 PM, ndotan <[EMAIL PROTECTED]> wrote: >>> > >>> > > hey guys i was presenting NH, and got some questions.. >>> > >>> > > 1. what happens if DB not support transactions and im trying a >>> > > transaction >>> > >>> > An exception is thrown. NHibernate mandates the use of transactions. >>> > >>> > > 2. is the transaction model pesimistic? >>> > >>> > Doesn't matter. >>> > >>> > >>> > >>> > > 3. when i use session.Get twice in a row, NH doesnt query the DB >>> again >>> > > and gives me the same instance, >>> > > when does NH know to go to the DB and update that entity? how does >>> > > it know that the database row was changed in order to go to the DB? >>> > >>> > It get it from the session first level cache. It doesn't go to the DB >>> and >>> > you'll get stale object exception if you setup concurrency right and >>> someone >>> > changed the row underneath you >>> > >>> > > sidenote(slightly offtopic, but it came up in the presentation): >>> > > is MS entityframework with oracle a fiction? >>> > >>> > I haven't seen or heard anything about it. It may exists, though. >>> >>> >> >> >> > > > > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
