Node.js设计：使用作为闭包传递的函数写入数据库的多个异步函数

I am writing a standalone web scraper in Node, run from command line, which looks for specific data on a set of pages, fetches page views data from Google Analytics and saves it all in an MySQL database. Almost all is ready, but today I found a problem with the way I write data in the db.I am writing a standalone web scraper in Node,