MySQL数据透视/查询

Question

SELECT  `Name and Post Code` ,
SUM( IF(  `Month` =  '2016-09',  `Qty` ,  '' ) ) AS Sep, 
SUM( IF(  `Month` =  '2016-10', `Qty` ,  '' ) ) AS Oct, 
SUM( IF(  `Month` =  '2016-11',  `Qty` ,  '' ) ) AS Nov, 
SUM( IF(  `Month` =  '2017-01',  `Qty` ,  '' ) ) AS Jan, 
SUM( IF(  `Month` =  '2017-02',  `Qty` ,  '' ) ) AS Feb
FROM  `Main` 
WHERE  `Corporate Group` =  'Brogans'
GROUP BY  `Name and Post Code` 
WITH ROLLUP;

我在MySQL中执行了上述代码，以便在数据库中提供各种客户的销售数据，如下所示：

我每月总计。 （垂直/列总数）。我想得到每个客户的总数。 （水平总计）

表（Main）结构：

ID - int(10)  
Corporate Group - varchar (25)  
Account Number - varchar (25)  
Name and Post Code - varchar (200)  
Post Code - varchar(50) 
Supplier Code - varchar (100)  
Description - varchar (200)  
Qty - varchar (50)  
Month - varchar (50)  
Code & Description - varchar (200)

非常感谢