Re: Examples of projects that use Postgres "as API server"

> I've been using Postgres for a small project and I've been very impressed
> by its flexibility in defining new types and functions.  I very much like
> having the ability to define a clean relational model and then a set of
> functions that act as the API to the data stored in my model.
> 
> Does anyone know of a project or projects that use Postgres in a fashion
> like this?  I'd love to read the schemas of a project like that.

I am developing an application to send bulk emails.  Most of its logic
is inside PostgreSQL.  The schema is here:

http://github.com/tart/tart-mailer/tree/master/db