节点mysql没有执行查询

Question

我在执行更新查询时遇到问题。现在它在select查询中运行正常，更新查询很好，因为我可以从输出复制粘贴单个更新查询，它将相应地更新。抛出没有错误，出现带有更新字符串的流但不执行任何错误。

connection.connect();


connection.query('SELECT text, id from twits2 order by id ASC', function(err, rows) {

    rows.forEach(function(row){
        var id = row.id;
        var r1 = sentiment(row.text);
        var score = r1.score;
        var comparative = r1.comparative;


        var q = 'UPDATE twits2 SET score ="'+score+'", comparative ="'+comparative+'" WHERE id="'+id+'"';
        console.log(q);
        connection.query(q, function (error, results, fields) {
            if (error) throw error;
        });
});