Add CHANGELOG entry for #22125 [ci skip]

This commit is contained in:
Takashi Kokubun 2015-10-31 08:25:13 +09:00 committed by Andrew White
parent 5b7afb81ae
commit 2a90d60c94

@ -1,3 +1,8 @@
* Alias `ActiveRecord::Relation#left_joins` to
`ActiveRecord::Relation#left_outer_joins`.
*Takashi Kokubun*
* Use advisory locking to raise a ConcurrentMigrationError instead of
attempting to migrate when another migration is currently running.