diff options
| -rw-r--r-- | activerecord/lib/active_record/validations/uniqueness.rb | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/validations/uniqueness.rb b/activerecord/lib/active_record/validations/uniqueness.rb index 31dbf7a889..5db17155c5 100644 --- a/activerecord/lib/active_record/validations/uniqueness.rb +++ b/activerecord/lib/active_record/validations/uniqueness.rb @@ -1,5 +1,3 @@ -require 'active_support/core_ext/array/prepend_and_append' - module ActiveRecord module Validations class UniquenessValidator < ActiveModel::EachValidator # :nodoc: @@ -53,7 +51,7 @@ module ActiveRecord class_hierarchy = [record.class] while class_hierarchy.first != @klass - class_hierarchy.prepend(class_hierarchy.first.superclass) + class_hierarchy.unshift(class_hierarchy.first.superclass) end class_hierarchy.detect { |klass| !klass.abstract_class? } |