1 files changed, 3 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/nested_attributes.rb b/activerecord/lib/active_record/nested_attributes.rb
index e6195e48a5..7dc7169a02 100644
--- a/activerecord/lib/active_record/nested_attributes.rb
+++ b/activerecord/lib/active_record/nested_attributes.rb
@@ -305,7 +305,7 @@ module ActiveRecord
         options[:reject_if] = REJECT_ALL_BLANK_PROC if options[:reject_if] == :all_blank
 
         attr_names.each do |association_name|
-          if reflection = reflect_on_association(association_name)
+          if reflection = _reflect_on_association(association_name)
             reflection.autosave = true
             add_autosave_association_callbacks(reflection)
 
@@ -516,7 +516,7 @@ module ActiveRecord
 
     # Determines if a hash contains a truthy _destroy key.
     def has_destroy_flag?(hash)
-      ConnectionAdapters::Column.value_to_boolean(hash['_destroy'])
+      ConnectionAdapters::Type::Boolean.new.type_cast(hash['_destroy'])
     end
 
     # Determines if a new record should be rejected by checking
@@ -542,7 +542,7 @@ module ActiveRecord
     end
 
     def raise_nested_attributes_record_not_found!(association_name, record_id)
-      raise RecordNotFound, "Couldn't find #{self.class.reflect_on_association(association_name).klass.name} with ID=#{record_id} for #{self.class.name} with ID=#{id}"
+      raise RecordNotFound, "Couldn't find #{self.class._reflect_on_association(association_name).klass.name} with ID=#{record_id} for #{self.class.name} with ID=#{id}"
     end
   end
 end