Rails: belongs_to with conditions/scope throwing syntax error

Question

I want to pick companies that are owned. I tried multiple combinations, new, rails 3, old school,... all of which are throwing the same syntax error unexpected \'

Answer 1

unexpected '\n', expecting =>

You need to switch the order of scope with options

# File activerecord/lib/active_record/associations.rb, line 1514
def belongs_to(name, scope = nil, options = {})
  reflection = Builder::BelongsTo.build(self, name, scope, options)
  Reflection.add_reflection self, name, reflection
end

As you can see, the scope should be the second parameter and options should be the third parameter.

This should work

belongs_to :from, -> { where owned: true }, class_name: 'Company', foreign_key: 'from_id'