How to specify multiple values in where with AR query interface in rails3

Question

Per section 2.2 of rails guide on Active Record query interface here:

which seems to indicate that I can pass a string specifying the condition(s), then an array of

Answer 1

Sounds like you're doing something like this:

Model.where("attribute = ? OR attribute2 = ?", [value, value])

Whereas you need to do this:

#notice the lack of an array as the last argument
Model.where("attribute = ? OR attribute2 = ?", value, value) Have a

look at http://guides.rubyonrails.org/active_record_querying.html#array-conditions for more details on how this works.

Was really close. You can turn an array into a list of arguments with *my_list.

Model.where("id = ? OR id = ?", *["1", "2"])

OR

params = ["1", "2"]
Model.where("id = ? OR id = ?", *params)

Should work