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孤独アドベントカレンダーに挑戦Advent Calendar 2019

Day 19

railsでSQLログをapplicationログとは別に出力する

Last updated at Posted at 2019-12-18

railsでSQLログをapplicationログとは別に出力する

applicationログはinfoで出したいけど、別途SQLログも出したい時など

ruby
  ActiveRecord::Base.logger = Logger.new('log/sql.log')
  ActiveRecord::Base.logger.formatter = proc do |severity, timestamp, progname, msg|
    {
      timestamp: timestamp.iso8601,
      LOG_LEVEL: severity,
      message: msg
    }.to_json << "\n"
  end

動作環境

rails 6.0.2
ruby 2.6.3

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