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authorRafael França <rafaelmfranca@gmail.com>2016-11-13 22:40:46 -0500
committerGitHub <noreply@github.com>2016-11-13 22:40:46 -0500
commit2a8426c0f6f7a106ff2e6a7cec0851477e5b1c55 (patch)
treeea2b3b40c869dac891f5d49291f01e2d282971a0 /activerecord/lib/active_record
parent72717e68af8a99a30faf67d3245ecca638566d89 (diff)
parent28708c7a8a4c9d4b835a0443460c0a38dd69982a (diff)
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Merge pull request #27030 from kamipo/avoid_build_preloader
Avoid `build_preloader` if preloading is not needed
Diffstat (limited to 'activerecord/lib/active_record')
-rw-r--r--activerecord/lib/active_record/relation.rb5
1 files changed, 3 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb
index ef629dcb3b..8b30a48c1c 100644
--- a/activerecord/lib/active_record/relation.rb
+++ b/activerecord/lib/active_record/relation.rb
@@ -681,9 +681,10 @@ module ActiveRecord
@records = eager_loading? ? find_with_associations.freeze : @klass.find_by_sql(arel, bound_attributes, &block).freeze
preload = preload_values
- preload += includes_values unless eager_loading?
- preloader = build_preloader
+ preload += includes_values unless eager_loading?
+ preloader = nil
preload.each do |associations|
+ preloader ||= build_preloader
preloader.preload @records, associations
end