Re: [Rails] Re: Suggestion for Rails 4

Abram ha scritto:
> Jim, Thanks for that.
>
> What I mean is I want small and large black products attached to two
> separate variables, say @blacksmall and @blacklarge.. both separated out
> from @products which initially resulted from the Product.where(:color =>
> 'black) query. I know it's a stupid example, but I'm just wanting that
> functionality, and think it would be an improvement in rails to enable
> using active record queries on objects that are arrays of objects as
> they are represented in the table. If rails treats table rows as model
> objects why not treat a collection of model objects in the same way,
> allowing the same dsl for access/limiting what's within the collection.

I'm not an expert of performances, but maybe databases like postgres or
mysql are faster than other solutions to retrieve data from a complex
query, so the solution to run a new query is better than filtering a
ruby collection, which can be simple but can already be very very
complex (think to db like openstreetmaps and you want to calculate a
path...)

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