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path: root/activerecord/lib/active_record/log_subscriber.rb
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module ActiveRecord
  class LogSubscriber < ActiveSupport::LogSubscriber
    def initialize
      super
      @odd_or_even = false
    end

    def sql(event)
      name = '%s (%.1fms)' % [event.payload[:name], event.duration]
      sql  = event.payload[:sql].squeeze(' ')

      if odd?
        name = color(name, :cyan, true)
        sql  = color(sql, nil, true)
      else
        name = color(name, :magenta, true)
      end

      debug "  #{name}  #{sql}"
    end

    def odd?
      @odd_or_even = !@odd_or_even
    end

    def logger
      ActiveRecord::Base.logger
    end
  end
end

ActiveRecord::LogSubscriber.attach_to :active_record