lib/ohm.rb in ohm-3.0.1 vs lib/ohm.rb in ohm-3.0.2

@@ -13,11 +13,11 @@
   # All of the known errors in Ohm can be traced back to one of these
   # exceptions.
   #
   # MissingID:
   #
-  #   Comment.new.id # => Error
+  #   Comment.new.id # => nil
   #   Comment.new.key # => Error
   #
   #   Solution: you need to save your model first.
   #
   # IndexNotFound:
@@ -1332,13 +1332,13 @@
     #   u.kind_of?(User)
     #   # => true
     #
     def save
       indices = {}
-      model.indices.each { |field| indices[field] = Array(send(field)) }
+      model.indices.each { |field| indices[field] = Array(send(field)).map(&:to_s) }
 
       uniques = {}
-      model.uniques.each { |field| uniques[field] = send(field) }
+      model.uniques.each { |field| uniques[field] = send(field).to_s }
 
       features = {
         "name" => model.name
       }