[Catalyst] Introductions all around

[Andy Grundman]

Joshua J. Kugler wrote:
> Ask for order 42.
> Retrieve all information about that order (probably one row in Orders)
> Then, retrieve all data about all the order items for that order (i.e. 
> retrieve all OrderItems where OrderID = 42).
> Then, what is returned is (probably) a hash, each entry is name/value, 
> then there is an Items key which is an array of hashes, each hash being 
> a single with OrderItem.  Does that makes sense?  Does anything like 
> that exist?  Or is that exactly what "prefetch" is?

Currently, prefetch only goes 1 level down, it will load as many has_a 
or might_have columns of the current object as you ask for.  Matt's got 
plans to add support for going farther than that though, so stay tuned. :)

-Andy