Not that I've found... I've got a fairly large database schema, partially
defined in ruby, partially defined as actual PostgreSQL statements, with
referential integrity, triggers, views, etc, and ruby's coping with it fine.
For some reason to make a model that queried a view in the database, I
had to add this to the model definition:
I can't remember if that was due to the table actually being a view, or if
there was some other reason for that... but Ruby and PostgresSQL have been
playing together very nicely for me, even with a heavily
customized/programmed DB on the PG side.