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-rw-r--r--activerecord/lib/active_record/core.rb18
1 files changed, 9 insertions, 9 deletions
diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb
index cb11cdefd9..aef4761be4 100644
--- a/activerecord/lib/active_record/core.rb
+++ b/activerecord/lib/active_record/core.rb
@@ -541,15 +541,15 @@ module ActiveRecord
private
- # Under Ruby 1.9, Array#flatten will call #to_ary (recursively) on each of the elements
- # of the array, and then rescues from the possible NoMethodError. If those elements are
- # ActiveRecord::Base's, then this triggers the various method_missing's that we have,
- # which significantly impacts upon performance.
- #
- # So we can avoid the method_missing hit by explicitly defining #to_ary as nil here.
- #
- # See also http://tenderlovemaking.com/2011/06/28/til-its-ok-to-return-nil-from-to_ary.html
- def to_ary # :nodoc:
+ # +Array#flatten+ will call +#to_ary+ (recursively) on each of the elements of
+ # the array, and then rescues from the possible +NoMethodError+. If those elements are
+ # +ActiveRecord::Base+'s, then this triggers the various +method_missing+'s that we have,
+ # which significantly impacts upon performance.
+ #
+ # So we can avoid the +method_missing+ hit by explicitly defining +#to_ary+ as +nil+ here.
+ #
+ # See also http://tenderlovemaking.com/2011/06/28/til-its-ok-to-return-nil-from-to_ary.html
+ def to_ary
nil
end