Could someone help with this issue ? I've searched online but I' m under the impression that I've done the right thing, i.e. I put inverse=true in the bag collection .. I'm saving a Post which has 30 Comments and NH does an update 30 times, no update should be required at all....
On 3 avr, 14:48, graphicsxp <graphic...@googlemail.com> wrote: > Hi, > > I'm using NHProfiler to profile my NH activity and I'm getting the > warning: > > superfluous <many-to-one> update - use inverse = 'true' > > I have two classes, Post and Comment, here is the mapping : > > Post.hbm.xml : > > hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"> > <class name="Metrica.Post, Metrica" table="Post" lazy="true" > discriminator-value="POST" abstract="true"> > <id name="Id" column="PostID"> > <generator class="native"/> > </id> > > <discriminator column="Type" type="string" /> > > <property name="DateCreated" type="date" column="DateCreated" > insert="false" generated="always" /> > > <property name="Headline" type="string" length="500" > column="Headline" /> > <many-to-one class="Metrica.Publication,Metrica" > name="thePublication" cascade="none" column="PublicationID" /> > <property name="URL" type="string" length="1000" column="URL" /> > <property name="AnalystComment" type="string" > column="AnalystComment" /> > <bag name="Comments" inverse="true" cascade="all" lazy="true"> > <key column="PostID" /> > <one-to-many class="Metrica.CommentPost, Metrica" /> > </bag> > </class> > > Comment.hbm.xml: > > <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"> > <class name="Metrica.CommentPost, Metrica" table="Comment" > lazy="true" discriminator-value="COMMENT" > proxy="Metrica.CommentPost,Metrica" > > <id name="Id" column="CommentID"> > <generator class="native"/> > </id> > > <discriminator column="Type" type="string" /> > > <property name="DateCreated" type="date" column="DateCreated" > insert="false" generated="always" /> > > <many-to-one name="thePost" class="Metrica.Post, Metrica" > cascade="none" column="PostID" not-null="true" /> > > </class> > </hibernate-mapping> > > I don't see where I should add inverse=true in order to avoid all the > UPDATE statements that occur when I save a Post : > > UPDATE Comment SET PostID = @p0 WHERE CommentID = @p1 > > (called as many times as there are comment entities associated to the > post entity ! ) --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "nhusers" group. To post to this group, send email to nhusers@googlegroups.com To unsubscribe from this group, send email to nhusers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/nhusers?hl=en -~----------~----~----~----~------~----~------~--~---
