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

Update: This answer is more relevant for Rails 4.x

Do this:

current_user.comments.where(:id=>[123,"456","Michael Jackson"])

The stronger side of this approach is that it returns a Relation object, to which you can join more .where clauses, .limit clauses, etc., which is very helpful. It also allows non-existent IDs without throwing exceptions.

The newer Ruby syntax would be:

current_user.comments.where(id: [123, "456", "Michael Jackson"])