Add UniqueKey="some_identifier" to all properties whose combination should be unique.
-Markus 2009/4/1 Flominator <flomina...@gmx.net> > > Hi, > > I'm talking about the following database structure: > > MEASUREMENTS > | > ----------CHANNELS > | > --------------- MEASURANDS > > CHANNELS HasMany MEASURANDS via channel_id (int) > MEASURANDS has id in, date (DateTime), value (float) > > Now I would like to make sure, that there are no MEASURANDS with the > same date and channel_id. > > I don't really know, how to do it. A composite key might be one > approach, but I don't want to change every .id call within the > programme. > > I would like to use something like a Composite index, which wouldn't > require to change the code at Measurements and other parts of the > application. > > I don't know, if AR/NHibernate supports such thing or if I should try > to implement this via business logic. > > Any suggestions? > > Thanks, > > Flo > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Castle Project Users" group. To post to this group, send email to castle-project-users@googlegroups.com To unsubscribe from this group, send email to castle-project-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/castle-project-users?hl=en -~----------~----~----~----~------~----~------~--~---
