How to select where ID in Array Rails ActiveRecord without exception

Question

When I have array of ids, like

ids = [2,3,5]

and I perform

Comment.find(ids)

everything works fine. But w

Answer 1

You can also use it in named_scope if You want to put there others conditions

for example include some other model:

named_scope 'get_by_ids', lambda { |ids| { :include => [:comments], :conditions => ["comments.id IN (?)", ids] } }