Remove duplicated `@raw_attributes.keys`

Reduces the number of things outside of attribute methods that cares
about the details of how we store and type cast attributes

1 files changed, 2 insertions, 2 deletions

diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb
index f1f0d3e57f..525289c270 100644
--- a/activerecord/lib/active_record/persistence.rb
+++ b/activerecord/lib/active_record/persistence.rb
@@ -494,7 +494,7 @@ module ActiveRecord
 
     # Updates the associated record with values matching those of the instance attributes.
     # Returns the number of affected rows.
-    def _update_record(attribute_names = @raw_attributes.keys)
+    def _update_record(attribute_names = self.attribute_names)
       attributes_values = arel_attributes_with_values_for_update(attribute_names)
       if attributes_values.empty?
         0
@@ -505,7 +505,7 @@ module ActiveRecord
 
     # Creates a record with values matching those of the instance attributes
     # and returns its id.
-    def _create_record(attribute_names = @raw_attributes.keys)
+    def _create_record(attribute_names = self.attribute_names)
       attributes_values = arel_attributes_with_values_for_create(attribute_names)
 
       new_id = self.class.unscoped.insert attributes_values