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authorBart de Water <bart@somnilocode.nl>2016-03-12 19:09:07 +0100
committerBart de Water <bart@somnilocode.nl>2016-03-12 19:10:15 +0100
commit9a0fc9a7ad6917421b1f79825eaeaed7ad53e094 (patch)
treea148891e988f6fee0dbeb95ee06e0d80f4187289 /actionpack
parent9201030320d09bb2ec76a7cc59aa58f77f984995 (diff)
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Add explanation about accepts_nested_attributes_for keys in the strong parameters documentation [skip ci]
Diffstat (limited to 'actionpack')
-rw-r--r--actionpack/lib/action_controller/metal/strong_parameters.rb5
1 files changed, 3 insertions, 2 deletions
diff --git a/actionpack/lib/action_controller/metal/strong_parameters.rb b/actionpack/lib/action_controller/metal/strong_parameters.rb
index bfd3375229..76e3b4d25a 100644
--- a/actionpack/lib/action_controller/metal/strong_parameters.rb
+++ b/actionpack/lib/action_controller/metal/strong_parameters.rb
@@ -814,7 +814,8 @@ module ActionController
# end
#
# In order to use <tt>accepts_nested_attributes_for</tt> with Strong \Parameters, you
- # will need to specify which nested attributes should be whitelisted.
+ # will need to specify which nested attributes should be whitelisted. You might want
+ # to allow +:id+ and +:_destroy+, see ActiveRecord::NestedAttributes for more information.
#
# class Person
# has_many :pets
@@ -834,7 +835,7 @@ module ActionController
# # It's mandatory to specify the nested attributes that should be whitelisted.
# # If you use `permit` with just the key that points to the nested attributes hash,
# # it will return an empty hash.
- # params.require(:person).permit(:name, :age, pets_attributes: [ :name, :category ])
+ # params.require(:person).permit(:name, :age, pets_attributes: [ :id, :name, :category ])
# end
# end
#