I don't like them either, but I am stuck with legacy db. If it was me I would not event map it in a class as it is purely for reporting and does not belong in domain at all. But higher powers want it mapped as history field. So I tried all possible ways to map this and cannot get it done. I've googled for two days, nothing. If I had any hair left I would pull it out.
On Mar 17, 8:40 am, Fabio Maulo <[email protected]> wrote: > as you can see many people don't like composite POID. > > 2009/3/17 epitka <[email protected]> > > > > > > > Anybody??? > > > On Mar 16, 2:56 pm, epitka <[email protected]> wrote: > > > Ok I'll try to explain this little bit better. Basically I have two > > > tables (Client), that has surrogate PK key "ClientID" and Client has > > > natural key composed of ClientID and EffectiveDate. > > > How do I map a collection in Client that has all items for ClientID. > > > > On Mar 16, 11:54 am, epitka <[email protected]> wrote: > > > > > Hi, I am trying to map a collection (bag) or items that have composite > > > > id. The mapping I have throws an error saying that > > > > > NHibernate.FKUnmatchingColumnsException: Foreign key > > > > (FK6A7D859A4C8DCC7F:ClientAcctType [ClientId, EffectiveDate])) must > > > > have same number of columns as the referenced primary key (Client > > > > [ClientId]) > > > > > I have a Client and ClientAcctType tables where ClientAcctType is > > > > basically a history table. So I want to map this history for specific > > > > Client. I created a ClientAccountTypeCompositeID class and mapped the > > > > history item like this > > > > > ClientAcctountTypeHistoryItem: > > > > <composite-id class="ClientAccountTypeCompositeID" > > > > name="Id" access="lowercase-underscore"> > > > > <key-property name="ClientID" access="property" > > > > column="ClientId"/> > > > > <key-property name="EffectiveDate" access="property" > > > > column="EffDt" /> > > > > </composite-id> > > > > > Client: > > > > <bag name="AccountTypeHistory" lazy="true"> > > > > <key> > > > > <!-- a collection inherits the composite key type --> > > > > <column name="ClientId"/> > > > > <column name="EffectiveDate"/> > > > > </key> > > > > <one-to-many class="ClientAccountTypeHistoryItem"/> > > > > </bag> > > > > > This should be pretty straight forward. Where I am going wrong? > > -- > 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 -~----------~----~----~----~------~----~------~--~---
