[odb-users] Object ID and unidirectional to-one relationships

Nicolas ALBEZA n.albeza at gmail.com
Mon Jun 27 08:13:43 EDT 2011

Thanks a lot for your answer !

Keep up the good work with ODB =)


2011/6/27 Boris Kolpackov <boris at codesynthesis.com>

> Hi Nicolas,
> Nicolas ALBEZA <n.albeza at gmail.com> writes:
> > The problem is i can't see how to "merge" my two fields (integer id and
> > shared_ptr<primary_table_class>) into one.
> Yes, I see the issue now. Ideally you should be able to use a pointer
> as an object id. However, that would require some extra code to be
> generated by the ODB compiler which it currently does not do. I have
> added this to the requested feature list so hopefully we will get to
> that at some point.
> The work-around would be to have the id as an integer and object
> pointer as a transient member. You would also need to initialize
> one from the other in different situations, e.g., id from pointer
> in your constructors and pointer from id after the call to load()).
> Having the ability to have a user callback after operations such
> as load() would help with the latter case and we plan to add
> something like this in the near future.
> Boris

ALBEZA "Pause" Nicolas

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