Hi Markus, Thanks for your advices. i going to try it Ray
Envoyé de mon iPad Le 5 avr. 2013 à 17:43, Markus Ruggiero <mailingli...@kataputt.com> a écrit : > As others already pointed out your many-2-many looks strange. > > Delete your all relationships from and to your join entity > EORepartDomMatiere. Then delete this entity as well. > Click once on entity EOMatiere and "create new Relationship". Select in the > upcoming dialog on the right side the destination entity EODomaine. > Underneath both entities check "to-many". The dialog changes and proposes to > create a join entity as well a flattened relationship. Accept things as they > are and your model is ok. Do not change anything in the model (visibility of > the generated relationships, also do not assign a specific class to the join > entity, leave it as EOGenericRecord). > > In your code do something like > > EOMatiere myMatiere = ... > EODomaine myDomaine = ... > myMatiere.addObjectToBothSidesOfRelationshipWithKey (myDomaine, > EOMatiere.DOMAINES_KEY); > > Let EOF take care of creating the join table record - it works, I can assure > you! > > Have fun, > ---markus--- > > On 05.04.2013, at 15:55, Raymond NANEON <rnan...@me.com> wrote: > >> Hi List, >> >> I have a table "EORepartDomMatiere" which has like pk foreign key of 2 >> others tables (EODomaine & EOMatiere). >> <mat1.jpg> >> <reparMat1.jpg> >> <dom1.jpg> >> <reparDom1.jpg> >> So when I want to save in the many-to-many table whith ec.saveChanges(); >> >> ... >> repart.setMatiereRelationship(mat); >> repart.setDomaineRelationship(dom); >> if (ec.hasChanges()) >> ec.saveChanges(); >> ... >> >> I got this Exception : java.lang.IllegalStateException: Adaptor >> er.extensions.jdbc.ERXJDBCAdaptor@3e2ad6a0 failed to provide new primary >> keys for entity 'EORepartDomMatiere' >> at >> com.webobjects.eoaccess.EODatabaseContext.prepareForSaveWithCoordinator(EODatabaseContext.java:5713) >> at >> com.webobjects.eocontrol.EOObjectStoreCoordinator.saveChangesInEditingContext(EOObjectStoreCoordinator.java:370) >> at >> com.webobjects.eocontrol.EOEditingContext.saveChanges(EOEditingContext.java:3192) >> at er.extensions.eof.ERXEC._saveChanges(ERXEC.java:1176) >> at er.extensions.eof.ERXEC.saveChanges(ERXEC.java:1099) >> at >> org.utt.rfcct.serveur.components.assistants.modules.ModuleAdminDomaine.rePartDomMat(ModuleAdminDomaine.java:349) >> at >> org.utt.rfcct.serveur.components.assistants.modules.ModuleAdminDomaine.uneMatiereEnregistrer(ModuleAdminDomaine.java:314) >> >> Why the adaptor want to create a new primary key? What's wrong? >> >> Thanks for your help >> Envoyé depuis iCloud >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) >> Help/Unsubscribe/Update your Subscription: >> https://lists.apple.com/mailman/options/webobjects-dev/mailinglists%40kataputt.com >> >> This email sent to mailingli...@kataputt.com > > > > Markus Ruggiero > mailingli...@kataputt.com > Check out the new book about Project Wonder and WebObjects on > http://www.kataputt.com/ > > > > >
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