On Aug 18, 10:40 pm, cainlevy <[EMAIL PROTECTED]> wrote:
> I like the preloading functionality in ActiveRecord. Can we expose an
> API option for it? I know it's important to be careful with adding AR
> options, but I believe that adding a :load option would complement the
> existing :include and :joins options as follows:
>
> * :include names associations that should be eager loaded but may also
> be needed for sql references (e.g. in conditions, orders, etc.)
> * :joins names associations that are needed for sql references but
> should not be loaded
> * :load names associations that should be loaded but are not needed
> for sql references
>
> Comments and discussion appreciated! When I talked with Pratik in IRC,
> his concern was adding another explicit option when perhaps more
> intelligence could instead be applied to existing options. This is a
> case where it seems cleaner to add another option. Thoughts?
>
I'd quite like to be able to preload associations after the records
have been loaded (which is of course exactly what happens under the
hood anyway).
You get back some objects from something that has no idea what you're
going to do, but you know that in this case you're going to be
iterating over them and displaying the value of association X - it
would be neat to be able to say - I'm going to be looking at X - fetch
those objects (of course datamapper style automatic doing this could
potentially be even better).
I think this would avoid the adding of an extra option to the find
method and actually buy you some flexability since it divorces the
notions of loading the records and preloading an association(s)
Fred
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