def down
    sql = "SELECT tag_id, taggable_id, created_at FROM taggings WHERE  taggable_type = 'User' AND context = 'following_tags'"
    for tagging in execute(sql)
      execute("INSERT INTO following_tags (user_id, tag_id, created_at) VALUES(#{tagging['taggable_id']}, #{tagging['tag_id']}, '#{tagging['created_at']}')")
    end