Is it possible to union two data sets in Birt? I have two joint data sets that have the same columns, and I need to union these two sets. I can't find a way to do it, and from my little research it seems to not be supported yet (but the document was last updated in 2005 or 2006):
http://www.eclipse.org/birt/release20specs/DataSetJoinSpec.pdf
Can someone please confirm if this can or can't be done. Or the best way around it. I don't see me being able to finish this report if I can't union the two sets together.
Thanks,
Jack