According to the doc: "Likewise, the special property class accesses the discriminator value of an instance in the case of polymorphic persistence. A Java class name embedded in the where clause will be translated to its discriminator value.
from Eg.Cat cat where cat.class = Eg.DomesticCat" so I would try: from Person p join p.Pets pet where pet.class = Dog -----Original Message----- From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of Matt Sent: Dienstag, 16. September 2008 17:13 To: nhusers Subject: [nhusers] Filter alias/relation based on concrete class Using NHibernate 2.0, how can I return all root Person entities that have a dog, say for example I want to return all People that have a Pet of type Dog, where Pets in a polymorphic IPet collection on a Person. I have tried the NHibernate documentation but I can't find how to handle this. I'm using a table per subclass (with joined- subclass mapping to handle the Pet hierachy) so no discriminator value explicitly exists. Thanks --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
