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Rails4.1でActiverecordでor条件とnot条件の複合検索する

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Last updated at Posted at 2015-11-20

rails4.1 なら

こんな感じ

or_confition = Portfolio.where.not(name: nil, photo_file_name: nil).where_values.reduce(:or)

Portfolio.where(or_condition)

SQL実行結果はこんな感じ

Portfolio Load (0.3ms)  SELECT `portfolios`.* FROM `portfolios` WHERE (`portfolios`.`name` IS NOT NULL OR `portfolios`.`photo_file_name` IS NOT NULL)

Rails4.2だとエラーになるようです。その場合はこのgemも使えそうです。

rails5で追加されるorをrails4.2で使うwhere-or Gem

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