Ok, so what do you think could prevent NH from doing the DELETE *** IN (1, 2, ...) ?
On 6 avr, 17:44, Fabio Maulo <[email protected]> wrote: > mmmm you are seeing another movie (the on-delete="cascade" is tested). > > 2009/4/6 graphicsxp <[email protected]> > > > > > > > Ok, I had misunderstood. > > > I've used hbm2ddl and from what I can see, the generated SQL for > > creating the tables give me the same database structure. It also adds > > the correct foreign-primary key constrainsts. The primary key is an > > identity column, same as my existing DB. > > Fabio > No triggers is created. > > > so it all looks the same. What could explain the fact that I can't > > have my DELETE grouped in one single query ? > > > On 6 avr, 17:22, Fabio Maulo <[email protected]> wrote: > > > Or if you see a trigger that you don't have in your DB, for another > > > instance. > > > > 2009/4/6 James Crowley <[email protected]> > > > > > 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/ > > > > -- > > > Fabio Maulo > > -- > Fabio Maulo --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
