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Cognos ReportNet 的排序BUG

Sat, 08 Sep 2007 02:31:00 GMT

昨天用户拿着打印出来的报表投诉说没有排序�Q�我赶紧��L��报表�Q�SQL中明明写了ORDER BY 的啊�Q�HTML预览也没有这个问题，但是当�{到PDF格式的时候，��序��׃ؕ了——不知道��不��一个Bug。后来在报表的List的Group&Sort��目中加了sort的设定，�q�下PDF才正��了�Q�惨了——我需要将以前的report都review一遍T_T

马达�Q�斯�?/a> 2007-09-08 10:31 发表评论

How to conditionally hide rows in Cognos report?

Tue, 07 Aug 2007 09:23:00 GMT

Data�Q?/span>

Estate	Block	Customer	Status
ALC	1	AAA
ALC	1	BBB	Settle
ALC	1	CCC
ALC	2	DDD	Settle
ALC	2	EEE

Requirement�Q?/span>Count records by estate, block, hide customer with status = ‘Settle’ when display.

Estate	Block	Customer	Status
ALC	1	AAA
ALC	1	CCC
Settled case:	1
Total case:	3
ALC	2	EEE
Settled case:	1
Total case:	2

It is a piece of cake that implementing this report in Crystal report, but it spent me much time in Cognos ReportNet—I can’t find out how to hide a whole row.

At first, I have tried to control visibility of the fields with conditional variable. But, there still existed a blank row though all the fields were hidden.

Estate	Block	Customer	Status
ALC	1	AAA
ALC	1	CCC

Settled case:	1
Total case:	3
ALC	2	EEE

Settled case:	1
Total case:	2

Another way I have tried is wrapping all fields with conditional block. The blank rows were still there, just with smaller height.

Finally, I gave up finding out which option could be used to hide the whole row. I have amended the SQL with COUNT(…) OVER (PARTITION BY …):

SELECT estate, block, customer, status, count(customer) over (partition by estate, block) as totalCase FROM table ORDER BY estate, block.

The retrieved data with the amended SQL:

Estate	Block	Customer	Status	totalCase
ALC	1	AAA		3
ALC	1	BBB	Settle	3
ALC	1	CCC		3
ALC	2	DDD	Settle	2
ALC	2	EEE		2

In the last step, A filter was added to the details in the report: status <> ‘Settle’, and the calculation of grouping area ‘Total Case’ was set to Average.

马达�Q�斯�?/a> 2007-08-07 17:23 发表评论

Tue, 17 Apr 2007 13:21:00 GMT

使用jasperReport的时候，在window�q�_��下面没问题，但部�|�到AIX下出现错误：
java.lang.NoClassDefFoundError: sun/awt/GraphicsEnvironment
最初以为是AIX上面的JDK的问题，一看没有rt.jar�Q�于是把�q�个文�g复制了过去，但是�q�是不行�Q�仍然报错：
java.lang.NoClassDefFoundError: sun/awt/X11GraphicsEnvironment
在网上找了一下，原来�q�个问题很普遍的。于是在生成报表的servlet里面加上�?br>System.setPorperty("java.awt.headless", "true");
但是仍然有错误：
java.lang.InternalError:Can't connect to X11 window server using '139.22.XX.XX:0,0' as the value of the DISPLAY variable.
在AIX中配�|�DISPLAY参数�Q�输入命令：
xhost + xxx.xx.xx.xxx
xxx.xx.xx.xxx是AIX的IP
搞定�?/p>

马达�Q�斯�?/a> 2007-04-17 21:21 发表评论

Fri, 13 Apr 2007 14:31:00 GMT

摘要: 记录了Crystal report和Jasper report��C��Websphere portal中与普通web应用的差别以及解军_��法�?nbsp; 阅读全文

马达�Q�斯�?/a> 2007-04-13 22:31 发表评论

Wed, 11 Apr 2007 15:26:00 GMT

摘要: �W�记�Q�介�l�Web应用中集成Crystal Report的两�U�方式以及一些代码片断�?nbsp; 阅读全文

马达�Q�斯�?/a> 2007-04-11 23:26 发表评论