On Nov 11, 7:25 am, Polydectes <[email protected]> wrote:
> I have an application that I started developing under 2.1 and have
> progressed through 2.2 and am no attempting to run using 2.3.4.
>
> The application is heavily reliant on ActiveRecord and the ability to
> reference objects and attributes using dot notation.
>
I think that applies to most applications and is something that should
just work. Have you tried boiling down your problem to an example
small enough to post here ?
Fred
> eg:
>
> if I have defined for class ARec
> named_scope :for_period, lambda {|f,t| {:conditions => ['from_date
> between ? and ?', f,t]}}
>
> I typically call:
> from_date = ARec.for_period( c.d.e.from, f.g.h.i.to )
>
> or similar within my code.
>
> The problem is that under 2.2.2, c.d.e.from and f.g.h.i.to both loaded
> the values from the database as needed, whereas under 2.3.4, when I
> run the same code block, the from and to calls both get into
> AssociationProxy.load_target (association_proxy.rb : 237) and Rails
> determines that the instances have already been loaded, even though
> their attribute lists are nil.
>
> The only solution I have found so far is to add a parameter of true to
> each object to force the loading. But I don't really want to do that
> to the over 10,000 places in my code where I may need to do this.
> What this really seems to indicate is that lazy loading of objects is
> broken in Rails 2.3.4 if AR is marking records as loaded when it
> hasn't loaded the attributes.
>
> What can I do (short of going back to Rails 2.2.x) to get Lazy Loading
> working application wide for a system with over 400 separate models
> and over 20,000 lines of code in my models?
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