Debug SQL queries in rails app

application.rb

module YourApp
  class Application < Rails::Application
    
    # all the things....
    
    
    # Print SQL debug to the console
    config.after_initialize do
      ActiveRecord::Base.logger = Logger.new(STDOUT)
      ActiveRecord::Base.verbose_query_logs = true
      Rails.logger.level = Logger::DEBUG
    end
  end
end