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-rw-r--r--activerecord/lib/active_record/nested_attributes.rb7
1 files changed, 4 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/nested_attributes.rb b/activerecord/lib/active_record/nested_attributes.rb
index 2dbebfcaf8..a8ee43b598 100644
--- a/activerecord/lib/active_record/nested_attributes.rb
+++ b/activerecord/lib/active_record/nested_attributes.rb
@@ -12,7 +12,7 @@ module ActiveRecord
extend ActiveSupport::Concern
included do
- class_attribute :nested_attributes_options, :instance_writer => false
+ config_attribute :nested_attributes_options
self.nested_attributes_options = {}
end
@@ -220,7 +220,7 @@ module ActiveRecord
# validates_presence_of :member
# end
module ClassMethods
- REJECT_ALL_BLANK_PROC = proc { |attributes| attributes.all? { |_, value| value.blank? } }
+ REJECT_ALL_BLANK_PROC = proc { |attributes| attributes.all? { |key, value| key == '_destroy' || value.blank? } }
# Defines an attributes writer for the specified association(s). If you
# are using <tt>attr_protected</tt> or <tt>attr_accessible</tt>, then you
@@ -239,7 +239,8 @@ module ActiveRecord
# is specified, a record will be built for all attribute hashes that
# do not have a <tt>_destroy</tt> value that evaluates to true.
# Passing <tt>:all_blank</tt> instead of a Proc will create a proc
- # that will reject a record where all the attributes are blank.
+ # that will reject a record where all the attributes are blank excluding
+ # any value for _destroy.
# [:limit]
# Allows you to specify the maximum number of the associated records that
# can be processed with the nested attributes. If the size of the