Fabio doesn't mean throw your old DB out... but if you look at the SQL Schema that NHibernate generates based on your mappings, that can generally be a good indicator of problems with the mapping that you're using (if you start seeing columns you're not expecting, for instance!)
2009/4/6 graphicsxp <[email protected]> > > er.. no I don't think this is the solution ! My db is well in place > and it's there for over three years and I can't re-design anything at > this stage. > > Any other suggestions ? > > On 6 avr, 16:45, Fabio Maulo <[email protected]> wrote: > > Let NH generate your DB and then see the difference ;) > > > > 2009/4/6 graphicsxp <[email protected]> > > > > > > > > > > > > > Thanks. But it's driving me nuts... > > > > > I've added on-delete "cascade" and I also have the inverse=true but I > > > still get as many DELETE as they are items to delete. > > > > > In my Post mapping file : > > > > > <bag name="Comments" inverse="true" cascade="all-delete-orphan" > > > lazy="true"> > > > <key column="PostID" on-delete="cascade"/> > > > <one-to-many class="Metrica.CommentPost, Metrica" /> > > > </bag> > > > > > In my Comment mapping file : > > > > > <many-to-one name="thePost" class="Metrica.Post, Metrica" > > > column="PostID" not-null="true" /> > > > > > Is there something wrong with what I'm doing ? > > > > > On 6 avr, 16:21, Fabio Maulo <[email protected]> wrote: > > > > on-delete="cascade" (attribute of <key> tag)and/or check the inverse. > > > > > > 2009/4/6 graphicsxp <[email protected]> > > > > > > > Hi, > > > > > > > If I remove all the items in my collection and saves my entity to > > > > > which the collection belongs, I get one DELETE query per items. > > > > > How can I have all these items deleted with the same DELETE query > > > > > using something like : > > > > > > > DELETE FROM myTable WHERE id IN (1, 2, 3 , ... ) > > > > > > > Thanks > > > > > > -- > > > > Fabio Maulo > > > > -- > > Fabio Maulo > > > -- James Crowley Managing Director Developer Fusion - Connecting developers worldwide Developer Fusion Ltd | 58 Sandringham Close | Enfield, EN1 3JH mob: 07986 624128 web: http://www.developerfusion.com/ --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
