diff options
Diffstat (limited to 'activerecord/lib/active_record/core.rb')
| -rw-r--r-- | activerecord/lib/active_record/core.rb | 18 |
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 |