diff options
| author | Ryuta Kamizono <kamipo@gmail.com> | 2017-10-26 14:23:09 +0900 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-10-26 14:23:09 +0900 |
| commit | a3536b473c00ab872307fcbaae2b363b6919d6ba (patch) | |
| tree | fa544bd02a1629d814b2486d8f0ddac423f8097d /activerecord/lib/active_record | |
| parent | 802678d3dc27f1659c7bbdc5c0bbb86af2b25349 (diff) | |
| parent | e5ce7bcbae1a9eaa40d9e094ae43e3b9226324cf (diff) | |
| download | rails-a3536b473c00ab872307fcbaae2b363b6919d6ba.tar.gz rails-a3536b473c00ab872307fcbaae2b363b6919d6ba.tar.bz2 rails-a3536b473c00ab872307fcbaae2b363b6919d6ba.zip | |
Merge pull request #30989 from joevandyk/patch-3
remove incorrect comment about serializable transactions [ci skip]
Diffstat (limited to 'activerecord/lib/active_record')
| -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 f4ad58c087..4c2c5dd852 100644 --- a/activerecord/lib/active_record/validations/uniqueness.rb +++ b/activerecord/lib/active_record/validations/uniqueness.rb @@ -205,9 +205,7 @@ module ActiveRecord # | # Boom! We now have a duplicate # | # title! # - # This could even happen if you use transactions with the 'serializable' - # isolation level. The best way to work around this problem is to add a unique - # index to the database table using + # The best way to work around this problem is to add a unique index to the database table using # {connection.add_index}[rdoc-ref:ConnectionAdapters::SchemaStatements#add_index]. # In the rare case that a race condition occurs, the database will guarantee # the field's uniqueness. |