changed update counter to act on unscoped model

activerecord/CHANGELOG.md

@@ -1,3 +1,9 @@
+*   Update counter cache on a has_many relationship regardless of default scope
+
+    Fix #12952.
+
+    *Uku Taht*
+
 *   `rename_index` adds the new index before removing the old one. This allows
     to rename indexes on columns with a foreign key and prevents the following error:
 

activerecord/lib/active_record/counter_cache.rb

@@ -77,7 +77,7 @@ module ActiveRecord
           "#{quoted_column} = COALESCE(#{quoted_column}, 0) #{operator} #{value.abs}"
         end
 
-        where(primary_key => id).update_all updates.join(', ')
+        unscoped.where(primary_key => id).update_all updates.join(', ')
       end
 
       # Increment a numeric field by one, via a direct SQL update.

activerecord/test/cases/associations/has_many_associations_test.rb

@@ -1781,4 +1781,12 @@ class HasManyAssociationsTest < ActiveRecord::TestCase
 
     assert_equal [original_child], car.reload.failed_bulbs
   end
+  
+  test 'updates counter cache when default scope is given' do
+    topic = DefaultRejectedTopic.create approved: true
+
+    assert_difference "topic.reload.replies_count", 1 do
+      topic.approved_replies.create!
+    end
+  end 
 end

activerecord/test/models/topic.rb

@@ -106,6 +106,10 @@ class ImportantTopic < Topic
   serialize :important, Hash
 end
 
+class DefaultRejectedTopic < Topic
+  default_scope -> { where(approved: false) }
+end
+
 class BlankTopic < Topic
   # declared here to make sure that dynamic finder with a bang can find a model that responds to `blank?`
   def blank?