| Re-use of DataCube [message #648948] |
Sun, 16 January 2011 12:36 |
 Marco 
Messages: 216
Registered: August 2009 |
Senior Member |
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Hi,
This request relates to message #639264.
Now for the specific need:
My data to report is not coming from any other source but generated synthetically. So I patch a rptdesign to insert/modify DataSource, DataSet, DataCube, and Crosstab, and the generate the report.
Now I want to use other BIRT DataSets and DataCubes in my data generation. The process would be:
FetchDateFromDataSet/Cube -> GenerateMyData&Structure -> PatchRptdesign -> GenerateReport
My problem is that I do not see a way to fetch data from a DataSet or a DataCube before generating the report.
I could do:
GenerateOriginalReportIntoXLS -> GenerateMyData&StructureWithXlsImport -> PatchRptdesign -> GenerateReport
But this way the overall performance would be heavily impacted by generating a needless report and parsing a huge XLS. This would also bring limitations.
Any hint how do solve this pragmatically would be very appreciated.
Thanks,
Marco
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