if (!data.first_id) {
        io.sockets.emit('total comment', {total_comment: 0});
        return false;
    }

    var q = 'SELECT * FROM comments Where status = 1 And comment_id Is Null ' +
        ' And new = ' + parseInt(data.new_id) + '  And id > ' + parseInt(data.first_id);

    connectionComments.query(q)
        .on('result', function (data) {
            comments.push(data);
        })
        .on('end', function () {
            io.sockets.emit('total comment', {total_comment: comments.length});
        });

});

if (data.total_comment > 0) {

    console.log('não chega aqui');
}