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| author | Sean Griffin <sean@thoughtbot.com> | 2015-07-25 13:05:05 -0600 |
|---|---|---|
| committer | Sean Griffin <sean@thoughtbot.com> | 2015-07-25 13:05:53 -0600 |
| commit | 119b9181ece399c67213543fb5227b82688b536f (patch) | |
| tree | e490ef2e65f67ad884dac0f3f04d352f5edcb452 /activerecord/lib/active_record/validations | |
| parent | 9caf2cbf268137113447ac8156b862b5d84063b5 (diff) | |
| download | rails-119b9181ece399c67213543fb5227b82688b536f.tar.gz rails-119b9181ece399c67213543fb5227b82688b536f.tar.bz2 rails-119b9181ece399c67213543fb5227b82688b536f.zip | |
Properly allow uniqueness validations on primary keys.
This is an alternate implementation of #20966.
[Sean Griffin & presskey]
Diffstat (limited to 'activerecord/lib/active_record/validations')
| -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] |