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reduce calls to owners_by_key and to read_attribute, respond_to? etc

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This commit is contained in:
Aaron Patterson 2011-07-01 09:55:31 -07:00
parent b31ce90e99
commit 441d8ec130
1 changed files with 3 additions and 2 deletions
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5
activerecord/lib/active_record/associations/preloader/association.rb
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@ -68,7 +68,8 @@ module ActiveRecord
private
def associated_records_by_owner
owner_keys = owners.map { |owner| owner[owner_key_name] }.compact.uniq
owners_map = owners_by_key
owner_keys = owners_map.keys.compact
if klass.nil? || owner_keys.empty?
records = []
@ -84,7 +85,7 @@ module ActiveRecord
records.each do |record|
owner_key = record[association_key_name].to_s
owners_by_key[owner_key].each do |owner|
owners_map[owner_key].each do |owner|
records_by_owner[owner] << record
end
end