TEST_CODEOWNERS/rails
3
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

Merge pull request #20082 from sh6khan/nested-attributes-docs

Browse Source 
docs for updating nested attributes while creating parent record
This commit is contained in:
Eileen M. Uchitelle 2015-05-18 13:37:25 -04:00
commit 0cae22d2ec
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
activerecord/lib/active_record/nested_attributes.rb
View File

@ -166,6 +166,11 @@ class TooManyRecords < ActiveRecordError
# member.posts.first.title # => '[UPDATED] An, as of yet, undisclosed awesome Ruby documentation browser!'
# member.posts.second.title # => '[UPDATED] other post'
#
# However, the above applies if the parent model is being updated as well.
# For example, If you wanted to create a +member+ named _joe_ and wanted to
# update the +posts+ at the same time, that would give an
# ActiveRecord::RecordNotFound error.
#
# By default the associated records are protected from being destroyed. If
# you want to destroy any of the associated records through the attributes
# hash, you have to enable it first using the <tt>:allow_destroy</tt>