Add operation to make a Dataset Cartesian #843
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dlindhol
commented
Jan 20, 2026
| * memory usage. This could be used to ensure that we have a Cartesian | ||
| * dataset as required by some operation, but at a cost. | ||
| */ | ||
| case class Cartesianator() extends StreamOperation { |
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As I'm finding that some operations require the domain set to be a Cartesian product of the individual domain scalar values, I was inspired to add this operation to make sure a Dataset is Cartesian. This is NOT done in constant memory so there is some risk to applying this to a large dataset.