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| author | Aidan Haran <aidanharan@yahoo.com> | 2017-12-09 13:41:02 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-12-09 13:41:02 +0000 |
| commit | 66f34a8ea58c8c98d9cc2651d386c9e5a0789d08 (patch) | |
| tree | d24e9014cf9045abc892ba97ac993e2e26e31c7e /activerecord/lib/active_record/validations/uniqueness.rb | |
| parent | 3291fa3630c456450f8c6a9b771f77c293d036cd (diff) | |
| parent | 55d4cf2a9c1a6e77ed7aedb866e964039bb4a143 (diff) | |
| download | rails-66f34a8ea58c8c98d9cc2651d386c9e5a0789d08.tar.gz rails-66f34a8ea58c8c98d9cc2651d386c9e5a0789d08.tar.bz2 rails-66f34a8ea58c8c98d9cc2651d386c9e5a0789d08.zip | |
Merge branch 'master' into custom-discarded-job-handling
Diffstat (limited to 'activerecord/lib/active_record/validations/uniqueness.rb')
| -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. |