2 files changed, 11 insertions, 7 deletions
diff --git a/activerecord/lib/active_record/type_caster/connection.rb b/activerecord/lib/active_record/type_caster/connection.rb
index 7ed8dcc313..9f7bbe8843 100644
--- a/activerecord/lib/active_record/type_caster/connection.rb
+++ b/activerecord/lib/active_record/type_caster/connection.rb
@@ -12,18 +12,20 @@ module ActiveRecord
         connection.type_cast_from_column(column, value)
       end
 
+      # TODO Change this to private once we've dropped Ruby 2.2 support.
+      # Workaround for Ruby 2.2 "private attribute?" warning.
       protected
 
-      attr_reader :table_name
-      delegate :connection, to: :@klass
+        attr_reader :table_name
+        delegate :connection, to: :@klass
 
       private
 
-      def column_for(attribute_name)
-        if connection.schema_cache.data_source_exists?(table_name)
-          connection.schema_cache.columns_hash(table_name)[attribute_name.to_s]
+        def column_for(attribute_name)
+          if connection.schema_cache.data_source_exists?(table_name)
+            connection.schema_cache.columns_hash(table_name)[attribute_name.to_s]
+          end
         end
-      end
     end
   end
 end
diff --git a/activerecord/lib/active_record/type_caster/map.rb b/activerecord/lib/active_record/type_caster/map.rb
index 3a367b3999..9f79723125 100644
--- a/activerecord/lib/active_record/type_caster/map.rb
+++ b/activerecord/lib/active_record/type_caster/map.rb
@@ -11,9 +11,11 @@ module ActiveRecord
         type.serialize(value)
       end
 
+      # TODO Change this to private once we've dropped Ruby 2.2 support.
+      # Workaround for Ruby 2.2 "private attribute?" warning.
       protected
 
-      attr_reader :types
+        attr_reader :types
     end
   end
 end