Satsou Sa wrote in post #957508:
> yong gu wrote in post #957495:
>> If you are using rails 3, see this
>> http://railscasts.com/episodes/219-active-model
>
> Thanks! But there is a problem with ActiveModel: I can not make
> associations such as belongs_to or has_many...

Why do you need them on a virtual model?  Just write your own method.

belongs_to and has_many aren't really useful if there's no DB table, are 
they?  What are you trying to achieve?

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
[email protected]

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