不使用变量的MYSQL视图

我想将此查询转换为视图。我需要消除变量的使用。SQL代码如下所示：

SET @runningTotal = 0;
SELECT
    feescollected.DatePaid,  feescollected.TermPaidFor,                                                                                                                            
    feescollected.FeesPaid,
 @runningTotal := @runningTotal + feescollected.FeesPaid AS runningTotal
FROM  feescollected;

预期产出：

DatePaid    TermPaidFor     FeesPaid    runningTotal 
----------------------------------------------------    
2014-02-06  I               150000      150000
2014-03-24  I               70000       220000
2014-04-08  I               80000       300000

像这样

SELECT
    feescollected.DatePaid,  feescollected.TermPaidFor,                                                                                                                            
    feescollected.FeesPaid,
 (feescollected.FeesPaid + 0) AS runningTotal
FROM  feescollected;

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使用子查询根据日期计算总计

SELECT
    a.DatePaid,
    a.TermPaidFor,                                                                                                                            
    a.FeesPaid,
(select  sum(b.FeesPaid) from feescollected b where a.DatePaid >= b.DatePaid) AS runningTotal
FROM  feescollected a

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谢谢。虽然一旦我添加了更多的数据和列，结果就会出错。我想我需要学习子查询如何执行。