Ups i forget the visible condition
B.where(a_id: @As, is_visible: true)
if you have a massive amounts of Bs the Data Base server will hate you,so a
better solution is
@Bs=Array.new
@As.each do |a|
@Bs<<a.bs.select{ |b| b.is_visible}
end
El jueves, 10 de abril de 2014 23:20:53 UTC+2, Ruby-Forum.com User escribió:
>
> I have class A and B. A has many Bs.
> B has a field is_visible which can be true or false
> I have alot of As as well
>
> I can acquire a set of As by doing the follwoing:
>
> @As = X.find_by...
>
> Need to iterate over all the As, and return each B where B.is_visble is
> true.
>
> since we are going across all As, I would think the final result would
> be @Bs (notice s at end).
>
> Best way to do this?
>
> --
> Posted via http://www.ruby-forum.com/.
>
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