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| author | Damien Mathieu <42@dmathieu.com> | 2014-01-28 00:15:59 -0800 |
|---|---|---|
| committer | Damien Mathieu <42@dmathieu.com> | 2014-01-28 00:15:59 -0800 |
| commit | e09c4028b3ad2ce5a0a9dca3b7eb62f49310e63c (patch) | |
| tree | fa7b5a6a40142a842c29691179c05e6929b9fce8 /activerecord/lib/active_record | |
| parent | 61bd71ef5ca3f13fde476b2db59980a01c8b3120 (diff) | |
| parent | f93ce1bee992485de1d93e755a4c738c66b3b678 (diff) | |
| download | rails-e09c4028b3ad2ce5a0a9dca3b7eb62f49310e63c.tar.gz rails-e09c4028b3ad2ce5a0a9dca3b7eb62f49310e63c.tar.bz2 rails-e09c4028b3ad2ce5a0a9dca3b7eb62f49310e63c.zip | |
Merge pull request #13838 from vipulnsward/13197-fix-has-one-documentation
Add docs about behaviour of replacing a has_one associate object.
Diffstat (limited to 'activerecord/lib/active_record')
| -rw-r--r-- | activerecord/lib/active_record/associations.rb | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index 714f623af3..f3f77e21c0 100644 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -1213,7 +1213,8 @@ module ActiveRecord # Returns the associated object. +nil+ is returned if none is found. # [association=(associate)] # Assigns the associate object, extracts the primary key, sets it as the foreign key, - # and saves the associate object. + # and saves the associate object. To avoid database inconsistencies, permanently deletes an existing + # associated object when assigning a new one, even if the new one isn't saved to database. # [build_association(attributes = {})] # Returns a new object of the associated type that has been instantiated # with +attributes+ and linked to this object through a foreign key, but has not |