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CoGroupedData

spark_connect::group

Struct CoGroupedData 

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pub struct CoGroupedData { /* private fields */ }
Expand description

A pair of cogrouped GroupedData, mirroring pyspark.sql.PandasCogroupedOps.

Created via GroupedData::cogroup.

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impl CoGroupedData

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pub fn input_columns(&self) -> Result<Vec<String>>

Column names of both sides (left then right), passed as the cogroup UDF’s argument columns so the worker’s two pandas/Arrow inputs are named.

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pub fn apply_in_pandas( &self, func: CommonInlineUserDefinedFunctionExpression, ) -> DataFrame

Apply a pandas UDF to each cogroup (cogroup(...).applyInPandas).

func is built on the Python side (cloudpickled, eval type SQL_COGROUPED_MAP_PANDAS_UDF).

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pub fn apply_in_arrow( &self, func: CommonInlineUserDefinedFunctionExpression, ) -> DataFrame

Apply an Arrow UDF to each cogroup (cogroup(...).applyInArrow).

Trait Implementations§

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impl Clone for CoGroupedData

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fn clone(&self) -> CoGroupedData

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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