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array subtraction should be faster than iterating over all the elements

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Signed-off-by: José Valim <jose.valim@gmail.com>
This commit is contained in:
Neeraj Singh 2010-06-28 22:33:10 -04:00 committed by José Valim
parent e8f88a3298
commit dabf74b495
1 changed files with 1 additions and 1 deletions
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2
activerecord/lib/active_record/relation/spawn_methods.rb
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@ -6,7 +6,7 @@ module ActiveRecord
merged_relation = clone
return merged_relation unless r
(Relation::ASSOCIATION_METHODS + Relation::MULTI_VALUE_METHODS).reject {|m| [:joins, :where].include?(m)}.each do |method|
((Relation::ASSOCIATION_METHODS + Relation::MULTI_VALUE_METHODS) - [:joins, :where]).each do |method|
value = r.send(:"#{method}_values")
merged_relation.send(:"#{method}_values=", value) if value.present?
end