[odb-users] ODB 2.5.0-b.19 self-referential attribute mapping error

[Boris Kolpackov]

Craig Burton <rccraigb at gmail.com> writes:

> #include <odb/core.hxx>
> #include <boost/shared_ptr.hpp>
> #include <boost/weak_ptr.hpp>
> 
> #pragma db object table ("Node")
> class Node
> {
> protected:
>    friend class odb::access;
>    #pragma db id auto
>    unsigned long id_;
> 
> private:
>    boost::shared_ptr<Node> _above;
> 
>    #pragma db value_not_null inverse(_above)
>    std::vector<boost::weak_ptr<Node> > _below;
> };
> 
> /usr/local/odb-2.5.0/bin/odb \
> --database mysql \
> --std c++11 \
> --generate-schema \
> --generate-query \
> --profile boost/date-time \
> --generate-session \
> --at-once \
> --input-name Depot \
> -I/home/cburton/Development/odb-2.5-runtime/odb/include \
> -I/usr/local/boost_1_62_0 Node.h

I am pretty sure you need to enable the boot/smart-ptr profile (which
includes traits for boost::*_ptr and makes boost::shared_ptr the default
object pointer).