paginated_collection.rb in activeadmin-3.2.5

- old
+ new

@@ -101,10 +101,13 @@
           # The #paginate method in kaminari will query the resource with a
           # count(*) to determine how many pages there should be unless
           # you pass in the :total_pages option. We issue a query to determine
           # if there is another page or not, but the limit/offset make this
           # query fast.
-          offset = collection.offset(collection.current_page * collection.limit_value).limit(1).count
+          offset_scope = collection.offset(collection.current_page * collection.limit_value)
+          # Support array collections. Kaminari::PaginatableArray does not respond to except
+          offset_scope = offset_scope.except(:select, :order) if offset_scope.respond_to?(:except)
+          offset = offset_scope.limit(1).count
           options[:total_pages] = collection.current_page + offset
           options[:right] = 0
         end
 
         text_node paginate collection, **options