[Zope] Relational DB Storage Manager for ZODB

[Ivan]

Greetings,

I am interested in using a relational database (Solid, and possibly
Informix) for ZODB object storage. I read the ZODB How-To, according
to which development on a relational DB storage manager is taking
place. 

However, I don't know what is the current state of this project, where
I can get a copy of the source, and how I can contact its developers. 

Perhaps someone can provide me with this information?

Regards,
Ivan Raikov