Use errors#import instead of manipulating errors/details hash

1 files changed, 8 insertions, 13 deletions

diff --git a/activerecord/lib/active_record/autosave_association.rb b/activerecord/lib/active_record/autosave_association.rb
index fe94662543..453c6e4c8c 100644
--- a/activerecord/lib/active_record/autosave_association.rb
+++ b/activerecord/lib/active_record/autosave_association.rb
@@ -330,21 +330,16 @@ module ActiveRecord
           if reflection.options[:autosave]
             indexed_attribute = !index.nil? && (reflection.options[:index_errors] || ActiveRecord::Base.index_nested_attribute_errors)
 
-            record.errors.each do |attribute, message|
+            record.errors.group_by_attribute.each { |attribute, errors|
               attribute = normalize_reflection_attribute(indexed_attribute, reflection, index, attribute)
-              errors[attribute] << message
-              errors[attribute].uniq!
-            end
-
-            record.errors.details.each_key do |attribute|
-              reflection_attribute =
-                normalize_reflection_attribute(indexed_attribute, reflection, index, attribute).to_sym
 
-              record.errors.details[attribute].each do |error|
-                errors.details[reflection_attribute] << error
-                errors.details[reflection_attribute].uniq!
-              end
-            end
+              errors.each { |error|
+                self.errors.import(
+                  error,
+                  attribute: attribute
+                )
+              }
+            }
           else
             errors.add(reflection.name)
           end