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Re-use of DataCube [message #648948] Sun, 16 January 2011 07:36
Marco  is currently offline Marco
Messages: 216
Registered: August 2009
Senior Member

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.

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