socialforge/db/migrate/20160418074429_delete_other_works.rb

class DeleteOtherWorks < ActiveRecord::Migration
  def up
    works = StudentWork.where("homework_common_id = 3253 and user_id = 10740 and final_score = 0")
    unless works.empty?
      works.destroy_all
    end
  end

  def down
  end
end