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Consolidating table rows on some conditions [message #916545]

Wed, 19 September 2012 02:30

Eclipse User

Hi,

i'm using BIRT to manage tables with datasets. Now i have following problem: For example my dataset is consisting of four columns name, payment, date and store. In my table it looks like this:

name payment date store
Thorsten 3,9 01.01.2012 ebay
Thorste 2,3 03.04.2012 ebay
Michael 4,7 03.05.2012 ebay
Michael 3,8 06.06.2012 amazon

Now i want to consolidate the columns that way:

if name[i]== name[j] and store[i]==store[j] then
payment[i]= payment[i]+payment[j];
date[i]= max(date[i],date[j]);
delete(row[j]))

If there are three or more columns with same store and name, then there will be three or more columns consolidated in one. My table should look like this:

name payment date store
Thorsten 6,2 03.04.2012 ebay
Michael 4,7 03.05.2012 ebay
Michael 3,8 06.06.2012 amazon

Is there any way for working with filters or aggregations? Or is it better to work with javascript on onCreate? Unfortunally I'm not so good in javascript...

Greetings Marina

Re: Consolidating table rows on some conditions [message #916948 is a reply to message #916545]

Wed, 19 September 2012 13:12

Eclipse User

You can do this with a table and two groups. Just hide the detail rows. Or use a data cube. In the attached example, I created a scripted data set to use your sample data. It shows a crosstab tied to a cube that aggregates your values, and a table tied directly to the table with two nested groups.

Jason

Attachment: sdscrosstab.zip
(Size: 2.75KB, Downloaded 214 times)

Re: Consolidating table rows on some conditions [message #917505 is a reply to message #916948]

Thu, 20 September 2012 02:30

Eclipse User

Hello Jason,

THANKS!

It works right the way i want it. I'm using the table with two groups. Not the crosstab.

Bye Marina

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