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comp.lang.ruby

Looking for comments on a rails patch, lazy association instantiation

Rick DeNatale

10/24/2007 10:56:00 PM

Prompted by some discussion on rails-talk last week, I worked up a
patch to add an option to ActiveRecord::Base#find which allows
associations to be :included for purposes of the where clause, but
defers instantiating the included association objects.

The use case is where there are a large number of association rows
returned by the query, the vast majority will not be used since they
are only being used to select a small set of root objects.

Here's the ticket with the patch:
http://dev.rubyonrails.org/t...

--
Rick DeNatale

My blog on Ruby
http://talklikeaduck.denh...
1 Answer

Rick DeNatale

10/24/2007 11:07:00 PM

0

Sorry I intended this to go to the rails-talk list but gmail outsmarted me.

On 10/24/07, Rick DeNatale <rick.denatale@gmail.com> wrote:
> Prompted by some discussion on rails-talk last week, I worked up a
> patch to add an option to ActiveRecord::Base#find which allows
> associations to be :included for purposes of the where clause, but
> defers instantiating the included association objects.
>
> The use case is where there are a large number of association rows
> returned by the query, the vast majority will not be used since they
> are only being used to select a small set of root objects.
>
> Here's the ticket with the patch:
> http://dev.rubyonrails.org/t...
>
> --
> Rick DeNatale
>
> My blog on Ruby
> http://talklikeaduck.denh...
>
>


--
Rick DeNatale

My blog on Ruby
http://talklikeaduck.denh...