diff options
Diffstat (limited to 'activerecord/lib/active_record/validations/length.rb')
-rw-r--r-- | activerecord/lib/active_record/validations/length.rb | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/validations/length.rb b/activerecord/lib/active_record/validations/length.rb index ef5a6cbbe7..5991fbad8e 100644 --- a/activerecord/lib/active_record/validations/length.rb +++ b/activerecord/lib/active_record/validations/length.rb @@ -2,11 +2,23 @@ module ActiveRecord module Validations class LengthValidator < ActiveModel::Validations::LengthValidator # :nodoc: def validate_each(record, attribute, association_or_value) + return unless should_validate?(record) || associations_are_dirty?(record) if association_or_value.respond_to?(:loaded?) && association_or_value.loaded? association_or_value = association_or_value.target.reject(&:marked_for_destruction?) end super end + + def associations_are_dirty?(record) + attributes.any? do |attribute| + value = record.read_attribute_for_validation(attribute) + if value.respond_to?(:loaded?) && value.loaded? + value.target.any?(&:marked_for_destruction?) + else + false + end + end + end end module ClassMethods |