[Dbix-class] Lazy Instantiation?

[Matt S Trout]

On Fri, Jun 15, 2007 at 04:39:11PM -0400, Steve Francia wrote:
> Doing some reading on DBIx::Class, I came across the following:
> http://www.gossamer-threads.com/lists/catalyst/users/3095
> 
> > * Column values maybe "lazily loaded," meaning that are fetched from
> > the database at the last possible moment rather then being loaded up
> > front.
> 
> Does this apply to relationships? eg.
> Can DBIC lazily instantiate the related objects?

Already done.

> Can DBIC lazily fetch the related ids?

Yes thanks.

> For performance and scalability, such features would be very desirable..
> If DBIC doesn't currently support it, would anyone be interested in
> joining me it writing a patch for it?
> 

Only if it comes with benchmarks that show our current approach is less
performant.

Class::DBI spent a lot of runtime fetching columns on the fly; DBIC expects
you to specify more up front but drops a lot of costly checks as a result.

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