EOF-Using EOF-Compound Primary Keys
Version 3.1 by Pascal Robert on 2007/09/03 13:46
Sacha Mallais
Generally avoid them. However, when you need them you can usually use the Propagate Primary Key feature to avoid having to do anything fancy.
Writing a delegate to generate PKs from the database is not a bid deal (see GVCEOFExtensions for an example of an integer PK caching delegate).