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author | Sean Griffin <sean@thoughtbot.com> | 2014-11-18 15:19:15 -0800 |
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committer | Sean Griffin <sean@thoughtbot.com> | 2014-11-18 15:20:19 -0800 |
commit | 08576b94ad4f19dfc368619d7751e211d23dcad8 (patch) | |
tree | a8be0f668e65f0c90a79cd3031984c507225019c /activerecord/lib/active_record/aggregations.rb | |
parent | 78e7a0d3b7eaafe1ad0a45e3e355e1123cae3f8b (diff) | |
download | rails-08576b94ad4f19dfc368619d7751e211d23dcad8.tar.gz rails-08576b94ad4f19dfc368619d7751e211d23dcad8.tar.bz2 rails-08576b94ad4f19dfc368619d7751e211d23dcad8.zip |
Improve the performance of reading attributes
We added a comparison to "id", and call to `self.class.primary_key` a
*lot*. We also have performance hits from `&block` all over the place.
We skip the check in a new method, in order to avoid breaking the
behavior of `read_attribute`
Diffstat (limited to 'activerecord/lib/active_record/aggregations.rb')
-rw-r--r-- | activerecord/lib/active_record/aggregations.rb | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/aggregations.rb b/activerecord/lib/active_record/aggregations.rb index e576ec4d40..1040e6e3bb 100644 --- a/activerecord/lib/active_record/aggregations.rb +++ b/activerecord/lib/active_record/aggregations.rb @@ -230,8 +230,8 @@ module ActiveRecord private def reader_method(name, class_name, mapping, allow_nil, constructor) define_method(name) do - if @aggregation_cache[name].nil? && (!allow_nil || mapping.any? {|key, _| !read_attribute(key).nil? }) - attrs = mapping.collect {|key, _| read_attribute(key)} + if @aggregation_cache[name].nil? && (!allow_nil || mapping.any? {|key, _| !_read_attribute(key).nil? }) + attrs = mapping.collect {|key, _| _read_attribute(key)} object = constructor.respond_to?(:call) ? constructor.call(*attrs) : class_name.constantize.send(constructor, *attrs) |