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CubeRollupData

robin_sparkless::dataframe

Struct CubeRollupData 

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pub struct CubeRollupData { /* private fields */ }
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Cube/rollup: multiple grouping sets then union (PySpark cube / rollup).

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impl CubeRollupData

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pub fn count(&self) -> Result<DataFrame, PolarsError>

Count rows per grouping set (PySpark cube/rollup .count()).

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pub fn agg(&self, aggregations: Vec<Expr>) -> Result<DataFrame, PolarsError>

Run aggregation on each grouping set and union results. Missing keys become null. Duplicate agg output names are disambiguated (issue #368).

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