From b0a5206b296ea35726e0d58828084f1f3c7bafa1 Mon Sep 17 00:00:00 2001
From: Arkadiy Zabazhanov <kinwizard@gmail.com>
Date: Sat, 23 Apr 2016 08:15:14 +0700
Subject: [PATCH] Optimize grouped_objects method (#376)

---
 lib/chewy/type/adapter/orm.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/chewy/type/adapter/orm.rb b/lib/chewy/type/adapter/orm.rb
index 5393945b6..d5f235675 100644
--- a/lib/chewy/type/adapter/orm.rb
+++ b/lib/chewy/type/adapter/orm.rb
@@ -150,6 +150,10 @@ def load_scope_objects(scope, additional_scope = nil)
             scope
           end
         end
+
+        def grouped_objects(objects)
+          options[:delete_if] ? super : { index: objects.to_a }
+        end
       end
     end
   end