diff options
Diffstat (limited to 'activerecord/lib')
-rw-r--r-- | activerecord/lib/active_record/validations/uniqueness.rb | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/validations/uniqueness.rb b/activerecord/lib/active_record/validations/uniqueness.rb index 5106f4e127..32d17a1392 100644 --- a/activerecord/lib/active_record/validations/uniqueness.rb +++ b/activerecord/lib/active_record/validations/uniqueness.rb @@ -17,7 +17,9 @@ module ActiveRecord value = map_enum_attribute(finder_class, attribute, value) relation = build_relation(finder_class, table, attribute, value) - relation = relation.where.not(finder_class.primary_key => record.id) if record.persisted? + if record.persisted? && finder_class.primary_key.to_s != attribute.to_s + relation = relation.where.not(finder_class.primary_key => record.id) + end relation = scope_relation(record, table, relation) relation = relation.merge(options[:conditions]) if options[:conditions] |